CN219486580U - Platform driving device and additive manufacturing equipment - Google Patents
Platform driving device and additive manufacturing equipment Download PDFInfo
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- CN219486580U CN219486580U CN202223521839.9U CN202223521839U CN219486580U CN 219486580 U CN219486580 U CN 219486580U CN 202223521839 U CN202223521839 U CN 202223521839U CN 219486580 U CN219486580 U CN 219486580U
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- 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 application discloses a platform drive arrangement and additive manufacturing equipment for improve additive manufacturing equipment printing speed. The platform driving device includes: the device comprises a forming platform, an x-axis module, a z-axis module, a first driving assembly, a second driving assembly, a third driving assembly, a first connecting assembly and a second connecting assembly; the first connecting component is connected with the forming platform and the x-axis module; the second connecting component is connected with the x-axis module and the z-axis module; the x-axis module is in transmission connection with the forming platform through a first driving assembly, and the first driving assembly is used for enabling the forming platform to move along a first direction; the z-axis module is in transmission connection with the x-axis module through a second driving assembly, and the second driving assembly is used for enabling the x-axis module to drive the forming platform to move along a second direction; the z-axis module is in transmission connection with a third driving assembly, and the third driving assembly is used for enabling the z-axis module to drive the forming platform to move along a third direction. Any two directions of the first direction, the second direction and the third direction are not parallel.
Description
Technical Field
The application relates to the technical field of 3D printing, in particular to a platform driving device and additive manufacturing equipment.
Background
The additive manufacturing apparatus constructs a three-dimensional object by means of layer-by-layer printing. In the related art, additive manufacturing apparatuses include printheads for extruding printing materials and modeling stages for depositing the printing materials to form three-dimensional objects. The print head is configured to move relative to the modeling platform and to extrude printing material on a surface of the modeling platform while moving. The printing materials are deposited layer by layer on the surface of the forming platform and fused together so as to print out the three-dimensional object.
In the prior art, the platform driving structure of the printer can only enable the forming platform to move in one direction, the moving direction of the forming platform is single, and the printing speed is limited. For example, CN204054666U discloses a fused deposition modeling high-speed 3D printer, in which a modeling platform can move in a Z-axis direction but cannot move in a horizontal direction, and the printing speed of the printer is slow because the relative position of the printing head and the modeling platform in the horizontal direction is adjusted only by the movement of the printing head in the horizontal direction.
Disclosure of Invention
In order to solve the above problems, the present application provides a platform driving device and an additive manufacturing apparatus for improving a printing speed of the additive manufacturing apparatus.
In order to achieve the above purpose, the present application mainly provides the following technical solutions:
in one aspect, the present application provides a stage drive apparatus for use in an additive manufacturing device, the stage drive apparatus comprising: the device comprises a forming platform, an x-axis module, a z-axis module, a first driving assembly, a second driving assembly, a third driving assembly, a first connecting assembly and a second connecting assembly;
the first connecting component is connected with the forming platform and the x-axis module;
the second connecting component is connected with the x-axis module and the z-axis module;
the x-axis module is in transmission connection with the forming platform through the first driving assembly, the first driving assembly is used for driving the forming platform to move along a first direction, the z-axis module is in transmission connection with the x-axis module through the second driving assembly, and the second driving assembly is used for driving the x-axis module to move along a second direction so that the x-axis module drives the forming platform to move along the second direction;
the z-axis module is in transmission connection with a third driving assembly, and the third driving assembly is used for driving the z-axis module to move along a third direction, so that the z-axis module drives the forming platform to move along the third direction;
any two directions of the first direction, the second direction and the third direction are not parallel.
As a preferred aspect, the first connection assembly includes a first linear bearing shaft and a first guide rod;
the first linear bearing shaft is used for connecting the forming platform;
the first guide rod is connected with the x-axis module, the extending direction of the first guide rod is the first direction, and the first linear bearing shaft is in sliding fit with the first guide rod;
the second connecting component comprises a second linear bearing shaft and a second guide rod;
the second linear bearing shaft is connected with the x-axis module;
the second guide rod is arranged on the upper side of the z-axis module, and the second linear bearing shaft is in sliding fit with the second guide rod.
As a preferable scheme, the first driving component comprises a first synchronous belt and a first motor;
the forming platform is provided with a first synchronous belt connecting block;
the first motor is fixed on the x-axis module;
the first synchronous belt connecting block is in transmission connection with the first motor through the first synchronous belt, and the first motor is matched with the first synchronous belt to drive the forming platform to move along a first direction;
the second driving assembly comprises a second synchronous belt and a second motor;
the x-axis module is provided with a second synchronous belt connecting block;
the second motor is fixed on the z-axis module;
the second synchronous belt connecting block is in transmission connection with the second motor through the second synchronous belt, and the second motor is matched with the second synchronous belt to drive the x-axis module to move along a second direction.
As a preferable scheme, the third driving component comprises an intermittent nut and a screw rod motor;
the gap eliminating nut is connected with the z-axis module;
the screw rod motor is in transmission connection with the z-axis module through the gap eliminating nut and is used for driving the z-axis module to move along a third direction.
As a preferable scheme, a first limiter is installed on the x-axis module, and the first limiter is used for limiting the movement of the forming platform in the first direction;
and/or the number of the groups of groups,
and a second limiter is arranged on the z-axis module and used for limiting the movement of the x-axis module in the third direction.
As a preferred scheme, the platform driving device further comprises a third linear bearing shaft and a sliding rod;
the third linear bearing shaft is arranged on the z-axis module, the extending direction of the sliding rod is a third direction, and the sliding rod is in sliding fit with the third linear bearing shaft.
As a preferable mode, any two directions of the first direction, the second direction and the third direction are perpendicular to each other.
In another aspect, the present application provides an additive manufacturing apparatus comprising a mounting bracket, the platform drive device described above, and a printhead;
the platform driving device is connected with the mounting bracket;
the printing head is connected with the mounting bracket and is arranged opposite to the forming platform.
As a preferred scheme, the additive manufacturing device further comprises a printing head driving device, wherein the printing head driving device is arranged on the mounting bracket and connected with the printing head, and the printing head driving device is used for driving the printing head to move.
As a preferred scheme, the additive manufacturing device further comprises a third limiter;
the third limiter is arranged on the mounting bracket and used for limiting the z-axis module to move in the third direction.
The platform driving device can drive the forming platform of the additive manufacturing equipment to simultaneously move along three different directions, and under the condition that the moving speed is the same, the forming platform is matched with the printing head to synchronously move, so that the moving time of the forming platform relative to the printing head is shortened, and the printing speed of the additive manufacturing equipment is improved.
Drawings
FIG. 1 is a perspective view of a platform drive device provided herein;
FIG. 2 is an exploded view of the platform drive device provided herein;
FIG. 3 is an enlarged view of a portion of the position A of FIG. 2;
FIG. 4 is a perspective view of an additive manufacturing apparatus provided herein;
wherein, the liquid crystal display device comprises a liquid crystal display device,
1. a forming platform; 2. an x-axis module; 21. a plate body; 22. a first stopper; 23. a second timing belt connection block; 3. a z-axis module; 31. a second stopper; 32. a third linear bearing shaft; 4. a first drive assembly; 41. a first synchronization belt; 42. a first motor: 5. a second drive assembly; 51. a second timing belt; 52. a second motor; 6. a third drive assembly; 61. a gap eliminating nut; 62. a screw motor; 621. a motor base; 622. a screw shaft; 7. a first connection assembly; 71. a first linear bearing shaft; 72. a first guide bar; 8. a second connection assembly; 81. a second linear bearing shaft; 82. a second guide bar; 9. a slide bar; 101. a mounting bracket; 102. a print head; 103. a fourth drive assembly; 104. a fifth drive assembly; 105. and a third limiter.
Detailed Description
The application provides a platform driving device and additive manufacturing equipment, which are used for improving the printing speed of the additive manufacturing equipment.
The following description of the embodiments of the present application will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all, of the embodiments of the present application. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the present disclosure.
Referring to fig. 1 to 3, a stage driving device provided in the present application includes a molding stage 1, an x-axis module 2, a z-axis module 3, a first driving component 4, a second driving component 5, a third driving component 6, a first connecting component 7 and a second connecting component 8; the first connecting component 7 is used for connecting the y-axis module 1 with the x-axis module 2; the second connecting component 8 connects the x-axis module 2 with the z-axis module 3; the x-axis module 2 is in transmission connection with the forming platform 1 through a first driving assembly 4, and the first driving assembly 4 is used for driving the forming platform 1 to move along a first direction; the z-axis module 3 is in transmission connection with the x-axis module 2 through a second driving assembly 5, and the second driving assembly 5 is used for driving the x-axis module 2 to move along a second direction so that the x-axis module 2 drives the forming platform 1 to move along the second direction; the z-axis module 3 is connected with a third driving assembly 6, and the third driving assembly 6 is used for driving the z-axis module 3 to move along a third direction, so that the z-axis module 3 drives the forming platform 1 to move along the third direction; any two directions of the first direction, the second direction and the third direction are not parallel.
In this embodiment, any two directions of the first direction, the second direction, and the third direction are perpendicular to each other. Specifically, the first direction and the second direction are both horizontal directions, the third direction is vertical direction, namely, the first driving component 4 and the second driving component 5 drive the forming platform 1 to move in the horizontal direction, and the third driving component 6 drives the forming platform 1 to lift. Of course, in other embodiments, other angles may be used between any two directions, for example, an included angle of 60 ° between the first direction and the second direction.
In this embodiment, the molding platform 1 is located above the x-axis module 2, the x-axis module 2 is located above the z-axis module 3, and the first connection assembly 7 connects the lower side of the molding platform 1 with the upper side of the x-axis module 2; the second connecting component 8 connects the lower side of the x-axis module 2 with the upper side of the z-axis module 3; the x-axis module 2 is provided with a first driving component 4, the x-axis module 2 is in transmission connection with the forming platform 1 through the first driving component 4, and the first driving component 4 is used for providing power to drive the forming platform 1 to move along a first direction; the z-axis module 3 is provided with a second driving component 5, the z-axis module 3 is in transmission connection with the x-axis module 2 through the second driving component 5, and the second driving component 5 is used for providing power to drive the x-axis module 2 to move along a second direction so that the x-axis module 2 drives the forming platform 1 to move along the second direction; the z-axis module 3 is in transmission connection with a third driving assembly 6, and the third driving assembly 6 is used for providing power to drive the z-axis module 3 to move along a third direction, so that the z-axis module 3 drives the forming platform 1 to move along the third direction; the stage driving device in the embodiment is applied to the additive manufacturing apparatus, and the print head 102 on the additive manufacturing apparatus moves along with the movement of the stage driving device, and the print head 102 on the additive manufacturing apparatus extrudes the printing material while the stage driving device moves, so that the printing material is deposited layer by layer on the surface of the molding stage 1, thereby printing the three-dimensional object.
The platform driving device provided by the embodiment of the application can drive the forming platform of the additive manufacturing equipment to simultaneously move along three different directions, and under the condition that the moving speed is the same, the forming platform is matched with the printing head 102 to synchronously move, so that the moving time of the forming platform 1 relative to the printing head 102 is shortened, and the printing speed of the additive manufacturing equipment is improved.
As shown in fig. 2 to 3, the first connection assembly 7 includes a first linear bearing shaft 71 and a first guide bar 72; the first linear bearing shaft 71 is connected with the forming platform 1; the first guide rod 72 is connected with the x-axis module 2, the extending direction of the first guide rod 72 is a first direction, and the first linear bearing shaft 71 is in sliding fit with the first guide rod 72; the second connection assembly 8 includes a second linear bearing shaft 81 and a second guide rod 82; the second linear bearing shaft 81 is connected with the x-axis module 2; the second guide rod 82 is disposed on the upper side of the z-axis module 3, and the second linear bearing shaft 81 is slidably engaged with the second guide rod 82.
In the present embodiment, the first connection assembly 7 includes four first linear bearings 71 and a pair of first guide rods 72; the four first linear bearing shafts 71 are arranged at the lower side of the forming platform 1 and are distributed in a rectangular shape, two first guide rods 72 are arranged in parallel, and each first guide rod 72 is in sliding fit with the corresponding two first linear bearing shafts 71; by providing two first guide rods 72 parallel to each other, the shake of the x-axis module 2 can be reduced, which is beneficial to enhancing the stability of the x-axis module 2 moving in the first direction, thereby improving the printing quality.
As shown in fig. 2 to 3, in the present embodiment, the x-axis module 2 includes two plates 21 disposed opposite to each other in a horizontal direction, and the two plates 21 are connected by a fixing plate (not shown). The second connection assembly 8 includes four second linear bearing shafts 81 and a pair of second guide rods 82; four second linear bearing shafts 81 are distributed in a matrix, and each two second linear bearing shafts 81 are arranged on the lower side of the corresponding plate body 21; two second guide rods 82 are arranged in parallel, two ends of each second guide rod 82 are fixedly connected with the upper side of the z-axis module 3, and each second guide rod 82 is in sliding fit with two second linear bearing shafts 81 on the lower side of one plate body 21. The sliding fit of the second linear bearing shaft 81 and the second guide rod 82 is beneficial to enhancing the stability of the movement of the x-axis module 2 in the second direction, thereby improving the printing quality.
As shown in fig. 2-3, the first driving assembly 4 includes a first synchronous belt 41 and a first motor 42; the bottom of the forming platform 1 is provided with a first synchronous belt connecting block (not shown); the first motor 42 is fixed on one of the plate bodies; the first motor 42 is in transmission connection with the first synchronous belt connecting block through the first synchronous belt 41, so that the forming platform 1 is driven to move along the first direction; the second driving assembly 5 includes: a second timing belt 51 and a second motor 52; the x-axis module 2 further includes a second timing belt connection block 23; the second motor 52 is fixed on the z-axis module 3; the second motor 52 is in transmission connection with the second synchronous belt connecting block 23 through the second synchronous belt 51, and the x-axis module 2 can be driven to move along the second direction through the cooperation of the second motor 52 and the second synchronous belt 51, so that the forming platform 1 is driven to move along the second direction.
In this embodiment, the first driving component 4 includes a first synchronous belt 41 and a first motor 42, the first synchronous belt 41 is fixed on the x-axis module 2 and located between two first guide rods 72, the first motor 42 is fixed on the x-axis module 2, the first synchronous belt connecting block is fixed on the forming platform 1, one end of the first synchronous belt 41 is connected with the first synchronous belt connecting block, the other end of the first synchronous belt 41 is connected with the first motor 42, the first synchronous belt 41 is used for transmitting a driving force output by the first motor 42, and the y-axis module 1 is driven to move along the first direction by the driving force.
The z-axis module 3 comprises a horizontally arranged plate, the second driving assembly 5 comprises a second synchronous belt 51 and a second motor 52, the second synchronous belt 51 is fixed on the z-axis module 3 and is positioned between the second guide rod 82 and the fourth guide rod 103, the second motor 52 is fixed on the plate, the second synchronous belt connecting block 23 is fixed on the x-axis module 2, one end of the second synchronous belt 51 is connected with the second synchronous belt connecting block 23, the other end of the second synchronous belt 51 is connected with the output circumference of the second motor 52, the second synchronous belt 51 is used for transmitting driving force output by the second motor 52, and the y-axis module 1 is driven to move along the first direction through the driving force, so that the y-axis module 1 drives the forming platform 1 to move along the first direction.
Optionally, the third driving assembly 6 comprises a spacer nut 61 and a screw motor 62; the gap eliminating nut 61 is connected with the z-axis module 3; the screw motor 62 is in transmission connection with the z-axis module 3 through the gap eliminating nut 61 and is used for driving the z-axis module 3 to move along a third direction.
In the present embodiment, two spacer nuts 61 are disposed opposite to each other, and the two spacer nuts 61 are fixed to opposite sides of the plate member, respectively. Correspondingly, two screw motors 62 are arranged in total, each screw motor 62 comprises a motor seat 621 and a screw shaft 622, the motor seat 621 is arranged at the bottom of the mounting bracket of the additive manufacturing equipment, the motor seat 621 is used for driving the screw shaft 622, the extending direction of the screw shaft 622 is in a third direction, and the screw shaft 622 is in threaded fit with the corresponding eliminating nut 61. The motor seat 621 drives the screw shaft 622 to rotate so as to control the movement of the anti-friction nut 61 along the screw shaft 622, and further drive the z-axis module 3 to move along the third direction.
As shown in fig. 2, the x-axis module 2 is mounted with a first stopper 22, and the first stopper 22 is used for moving the molding platform 1 in a first direction; and/or, a second limiter 31 is mounted on the z-axis module 3, and the second limiter 31 is used for limiting the movement of the x-axis module 2 in the third direction.
In this embodiment, the first limiters 22 are installed on the plate body 21 corresponding to the x-axis module 2, the first limiters 22 are used for limiting the movement of the forming platform 1 in the first direction, when the forming platform 1 touches the first limiters 22, the forming platform 1 stops moving in the first direction, at this time, the point at which the forming platform 1 stops moving is set as the zero point of the first direction, and then the maximum distance of the forming platform 1 moving in the first direction is set by setting parameters through software, so as to determine the moving range of the forming platform 1 in the first direction.
In this embodiment, the second limiter 31 is fixedly installed on the z-axis module 3, the second limiter 31 is used for limiting the movement of the x-axis module 2 in the second direction, when the x-axis module 2 touches the second limiter 31, the x-axis module 2 stops moving in the second direction, at this time, the point at which the x-axis module 2 stops moving is set as the zero point of the second direction, and then parameters are set by software, the maximum distance of the movement of the x-axis module 2 in the second direction is set, so as to determine the movement range of the x-axis module 2 in the second direction.
As shown in fig. 2 and 4, the platform driving device further comprises a third linear bearing shaft 32 and a slide bar 9; the third linear bearing shaft 32 is arranged on the z-axis module 3, the extending direction of the sliding rod 9 is a third direction, and the sliding rod 9 is in sliding fit with the third linear bearing shaft 32.
In this embodiment, the platform driving device includes four third linear bearing shafts 32, the four third linear bearing shafts 32 are disposed on four corners of the z-axis module 3, two ends of the slide bar 9 may be connected to the mounting bracket 101 of the additive manufacturing apparatus, and the third linear bearing shafts 32 are slidably matched with the slide bar 9, so as to limit the moving direction of the z-axis module 3, and improve the moving stability of the forming platform 1.
Optionally, any two directions of the first direction, the second direction and the third direction are perpendicular to each other.
As shown in fig. 1-2, in this embodiment, any two directions of the first direction, the second direction and the third direction are perpendicular to each other, for example, if the first direction is the y-axis direction, the second direction may be the x-axis direction, and the third direction may be the z-axis direction.
The foregoing embodiments describe a stage driving device in detail, and the present application further provides an additive manufacturing apparatus, and please refer to fig. 4, and the following describes the additive manufacturing apparatus in detail.
The additive manufacturing apparatus includes a mounting bracket 101, a stage drive device in embodiment 1, and a print head 102; the platform driving device is connected with the mounting bracket 101; the print head 102 is connected to the mounting bracket 101 and is disposed opposite the modeling platform 1. The print head 102 is located above the modeling stage 1 for extruding the printing material on the stage surface of the modeling stage 1 so that the printing material accumulates on the modeling stage 1.
Optionally, the additive manufacturing apparatus further comprises a print head driving device, which is provided on the mounting bracket 101 for driving the print head 102 to move. Of course, in other embodiments, the printhead may be directly secured to the mounting bracket 101.
As shown in fig. 4, in this embodiment, the additive manufacturing apparatus further includes a print head driving device, where the print head driving device is disposed on the mounting bracket 101 and is in driving connection with the print head 102, and is used to drive the print head 102 to move, so that the print head 102 moves synchronously with the forming platform 1 in cooperation with the platform driving device, which shortens the movement time of the forming platform 1 relative to the print head 102, and improves the printing speed of the additive manufacturing apparatus.
As shown in fig. 4, the print head driving device includes a fourth driving assembly 103 and a fifth driving assembly 104 connected in sequence, where the fourth driving assembly 103 is used to drive the print head 102 to move along a first direction; the fifth drive assembly 104 is configured to drive the printhead 102 to move in the second direction. It will be appreciated that the printhead drive may also be configured to drive the printhead 102 in a single direction or in a three-axis linkage to further increase the flexibility of the printhead 102 and the printing speed of the additive manufacturing apparatus. In this embodiment, the fourth driving assembly 103 and the fifth driving assembly 104 are driven by a combination of a motor and a belt, and in other embodiments, the fourth driving assembly 103 and the fifth driving assembly 104 may also be driven by a screw or other structures.
As shown in fig. 4, the additive manufacturing apparatus further includes a third stopper 105; a third stopper 105 is provided on the mounting bracket 101 for restricting movement of the z-axis module 3 in the third direction.
In this embodiment, the platform driving device further includes a third limiter 105, the third limiter 105 is mounted on the upright post of the support 101, when the z-axis module 3 touches the third limiter 105, the z-axis module 3 stops moving in the third direction, at this time, a point at which the z-axis module 3 stops moving is set as a zero point of the third direction, and parameters are set by software, so that a maximum distance of the z-axis module 3 moving in the third direction is set, thereby determining a moving range of the forming platform 1 in the third direction.
In one aspect, the present application provides a platform driving device, applied to additive manufacturing equipment, the platform driving device includes: the forming platform 1, the x-axis module 2, the z-axis module 3, the first driving component 4, the second driving component, the third driving component 6, the first connecting component 7 and the second connecting component 8; the first connecting component 7 is connected with the forming platform 1 and the x-axis module 2; the second connecting component 8 connects the x-axis module 2 with the z-axis module 3; the x-axis module 2 is in transmission connection with the forming platform 1 through a first driving component 4, the first driving component 4 is used for driving the forming platform 1 to move along a first direction, the z-axis module 3 is in transmission connection with the x-axis module 2 through a second driving component, and the second driving component is used for driving the x-axis module 2 to move along a second direction, so that the x-axis module 2 drives the forming platform 1 to move along the second direction; the z-axis module 3 is in transmission connection with a third driving assembly 6, and the third driving assembly 6 is used for driving the z-axis module 3 to move along a third direction, so that the z-axis module 3 drives the forming platform 1 to move along the third direction; any two directions of the first direction, the second direction and the third direction are not parallel.
The first connection assembly 7 includes a first linear bearing shaft 71 and a first guide rod 72;
the first linear bearing shaft 71 is used for connecting the forming platform 1;
the first guide rod 72 is connected with the x-axis module 2, the extending direction of the first guide rod 72 is a first direction, and the first linear bearing shaft 71 is in sliding fit with the first guide rod 72;
the second connection assembly 8 includes a second linear bearing shaft 81 and a second guide rod 82;
the second linear bearing shaft 81 is connected with the x-axis module 2;
the second guide rod 82 is disposed on the upper side of the z-axis module 3, and the second linear bearing shaft 81 is slidably engaged with the second guide rod 82.
The first driving assembly 4 includes a first timing belt 41 and a first motor;
the forming platform 1 is provided with a first synchronous belt 41 connecting block;
the first motor is fixed on the x-axis module 2;
the connecting block of the first synchronous belt 41 is in transmission connection with a first motor through the first synchronous belt 41, and the first motor is matched with the first synchronous belt 41 to drive the forming platform 1 to move along a first direction;
the second driving assembly comprises a second synchronous belt 51 and a second motor 52;
the x-axis module 2 is provided with a second synchronous belt 51 connecting block 23;
the second motor 52 is fixed on the z-axis module 3;
the second synchronous belt 51 connecting block 23 is in transmission connection with a second motor 52 through a second synchronous belt 51, and the second motor 52 is matched with the second synchronous belt 51 to drive the x-axis module 2 to move along the second direction.
The third driving assembly 6 comprises a gap eliminating nut 61 and a screw motor 62;
the gap eliminating nut 61 is connected with the z-axis module 3;
the screw motor 62 is in transmission connection with the z-axis module 3 through the gap eliminating nut 61 and is used for driving the z-axis module 3 to move along a third direction.
The x-axis module 2 is provided with a first limiter 22, and the first limiter 22 is used for limiting the movement of the forming platform 1 in a first direction;
and/or the number of the groups of groups,
the z-axis module 3 is mounted with a second stopper 31, and the second stopper 31 is used to restrict the movement of the x-axis module 2 in the third direction.
The platform driving device also comprises a third linear bearing shaft 32 and a sliding rod 9;
the third linear bearing shaft 32 is mounted on the z-axis module 3, the extending direction of the sliding rod 9 is a third direction, and the sliding rod 9 is in sliding fit with the third linear bearing shaft 32.
Any two directions of the first direction, the second direction and the third direction are perpendicular to each other.
In another aspect, the present application provides an additive manufacturing apparatus comprising a mounting bracket 101, a platform drive device as described above, and a printhead 102;
the platform driving device is connected with the mounting bracket 101;
the print head 102 is connected to the mounting bracket 101 and is disposed opposite the modeling platform 1.
The additive manufacturing apparatus further comprises a print head 102 driving device, wherein the print head 102 driving device is arranged on the mounting bracket 101 and connected with the print head 102, and the print head 102 driving device is used for driving the print head 102 to move.
The additive manufacturing apparatus further comprises a third limiter 105;
a third limiter is provided on the mounting bracket 101 for limiting movement of the z-axis module 3 in a third direction.
The foregoing is merely illustrative of the present utility model, and the present utility model is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present utility model. Therefore, the protection scope of the present utility model shall be subject to the protection scope of the claims.
Claims (10)
1. A platform drive device for use in an additive manufacturing apparatus, the platform drive device comprising: the device comprises a forming platform, an x-axis module, a z-axis module, a first driving assembly, a second driving assembly, a third driving assembly, a first connecting assembly and a second connecting assembly;
the first connecting component is connected with the forming platform and the x-axis module;
the second connecting component is connected with the x-axis module and the z-axis module;
the x-axis module is in transmission connection with the forming platform through the first driving assembly, the first driving assembly is used for driving the forming platform to move along a first direction, the z-axis module is in transmission connection with the x-axis module through the second driving assembly, and the second driving assembly is used for driving the x-axis module to move along a second direction so that the x-axis module drives the forming platform to move along the second direction;
the z-axis module is in transmission connection with a third driving assembly, and the third driving assembly is used for driving the z-axis module to move along a third direction, so that the z-axis module drives the forming platform to move along the third direction;
any two directions of the first direction, the second direction and the third direction are not parallel.
2. The platform drive arrangement according to claim 1, wherein the first connection assembly comprises a first linear bearing shaft and a first guide bar;
the first linear bearing shaft is used for connecting the forming platform;
the first guide rod is connected with the x-axis module, the extending direction of the first guide rod is the first direction, and the first linear bearing shaft is in sliding fit with the first guide rod;
the second connecting component comprises a second linear bearing shaft and a second guide rod;
the second linear bearing shaft is connected with the x-axis module;
the second guide rod is arranged on the upper side of the z-axis module, and the second linear bearing shaft is in sliding fit with the second guide rod.
3. The platform drive arrangement according to claim 1, wherein the first drive assembly comprises a first timing belt and a first motor;
the forming platform is provided with a first synchronous belt connecting block;
the first motor is fixed on the x-axis module;
the first synchronous belt connecting block is in transmission connection with the first motor through the first synchronous belt, and the first motor is matched with the first synchronous belt to drive the forming platform to move along a first direction;
the second driving assembly comprises a second synchronous belt and a second motor;
the x-axis module is provided with a second synchronous belt connecting block;
the second motor is fixed on the z-axis module;
the second synchronous belt connecting block is in transmission connection with the second motor through the second synchronous belt, and the second motor is matched with the second synchronous belt to drive the x-axis module to move along a second direction.
4. A platform drive according to any one of claims 1 to 3, wherein the third drive assembly comprises a break-away nut and a lead screw motor;
the gap eliminating nut is connected with the z-axis module;
the screw rod motor is in transmission connection with the z-axis module through the gap eliminating nut and is used for driving the z-axis module to move along a third direction.
5. A stage drive according to any one of claims 1 to 3, wherein a first stop is mounted on the x-axis module for limiting movement of the forming stage in the first direction;
and/or the number of the groups of groups,
and a second limiter is arranged on the z-axis module and used for limiting the movement of the x-axis module in the third direction.
6. A platform driving device according to any one of claims 1 to 3, further comprising a third linear bearing shaft and a slide bar;
the third linear bearing shaft is arranged on the z-axis module, the extending direction of the sliding rod is a third direction, and the sliding rod is in sliding fit with the third linear bearing shaft.
7. The platform driving device according to claim 1, wherein any two of the first direction, the second direction, and the third direction are perpendicular to each other.
8. An additive manufacturing apparatus comprising a mounting bracket, a platform drive according to any one of claims 1 to 7, and a printhead;
the platform driving device is connected with the mounting bracket;
the printing head is connected with the mounting bracket and is arranged opposite to the forming platform.
9. An additive manufacturing apparatus according to claim 8, further comprising a printhead drive means disposed on the mounting bracket and connected to the printhead, the printhead drive means for driving the printhead to move.
10. An additive manufacturing apparatus according to claim 8, further comprising a third stop;
the third limiter is arranged on the mounting bracket and used for limiting the z-axis module to move in the third direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223521839.9U CN219486580U (en) | 2022-12-28 | 2022-12-28 | Platform driving device and additive manufacturing equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223521839.9U CN219486580U (en) | 2022-12-28 | 2022-12-28 | Platform driving device and additive manufacturing equipment |
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| Publication Number | Publication Date |
|---|---|
| CN219486580U true CN219486580U (en) | 2023-08-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202223521839.9U Active CN219486580U (en) | 2022-12-28 | 2022-12-28 | Platform driving device and additive manufacturing equipment |
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| Country | Link |
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| CN (1) | CN219486580U (en) |
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