Movement mechanism of 3D printer

Abstract

The utility model discloses a movement mechanism of a 3D printer. The movement mechanism comprises a base frame; the printing table is connected with the base frame in a left-right sliding mode, and the base frame is provided with a first linear driver used for driving the printing table; and the lifting frame is connected with the base frame in an up-down sliding mode, the base frame is provided with a second linear driver used for driving the lifting frame, the lifting frame is provided with a plurality of spray head module installation areas, the multiple spray head module installation areas are sequentially arranged from front to back, every two adjacent spray head module installation areas are arranged in a left-right staggered mode, and the multiple spray head module installation areas are all arranged above the printing table. The printing spray head is installed in the spray head module installation area, the printing spray head sprays wax while the printing table transversely moves to complete printing of a first layer of a workpiece, then the lifting frame ascends by a certain distance, then the printing spray head sprays wax while the printing table transversely moves to complete printing of a second layer of the workpiece, and printing of the workpiece is completed in a reciprocating mode. And the printing nozzle is static during wax spraying and does not need to move, so that the problem that wax liquid in the printing nozzle shakes during wax spraying is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to 3D printing technical field, especially 3D printer movement mechanism. BACKGROUND

[0002] The existing 3D printer movement mechanism, such as the three-dimensional movement mechanism disclosed by patent CN218138701U, the printing platform can be adjusted in position in Z axis, the printing nozzle can be adjusted in position in X axis, when printing, the printing nozzle needs to move along X axis while spraying wax, the wax liquid inside the printing nozzle is easy to shake when the printing nozzle moves, which affects the uniform spraying of the multiple spray holes of the printing nozzle, and is not conducive to improving the printing precision. SUMMARY

[0003] The utility model discloses at least one of the technical problems existing in the prior art. To this end, the utility model provides a 3D printer movement mechanism.

[0004] The 3D printer movement mechanism according to the utility model embodiment comprises:

[0005] A base frame;

[0006] A printing table, which is slidably connected with the base frame left and right, the base frame is provided with a first linear driver for driving the printing table;

[0007] A lifting frame, which is slidably connected with the base frame up and down, the base frame is provided with a second linear driver for driving the lifting frame, the lifting frame is provided with a plurality of nozzle module mounting areas, the plurality of nozzle module mounting areas are sequentially arranged from front to back, and adjacent two nozzle module mounting areas are arranged left and right staggered, and the plurality of nozzle module mounting areas are all arranged above the printing table.

[0008] The 3D printer movement mechanism according to the utility model embodiment has at least the following technical effects: when in use, the printing nozzle is installed in the nozzle module mounting area, the printing nozzle sprays wax while the printing table moves horizontally, that is, the printing of the first layer of the workpiece is completed, then the lifting frame rises by a certain distance, then the printing nozzle sprays wax while the printing table moves horizontally to complete the printing of the second layer of the workpiece, and the printing of the workpiece is completed reciprocally, so that the printing nozzle is stationary when spraying wax, and does not need to move, thereby avoiding the problem that the wax liquid inside the printing nozzle shakes when spraying wax, and being conducive to improving the printing precision.

[0009] According to some embodiments of the utility model, the base frame comprises a horizontal movement support frame and a lifting support frame, the printing table is arranged on the horizontal movement support frame, and the lifting frame is arranged on the lifting support frame; the horizontal movement support frame is provided with a first positioning structure, the lifting support frame is provided with a second positioning structure, and the first positioning structure is connected with the second positioning structure.

[0010] According to some embodiments of the present application, the horizontal moving support frame is in the shape of a rectangular frame extending horizontally, and the first linear driver is arranged at the inner side of the horizontal moving support frame.

[0011] According to some embodiments of the present application, the horizontal moving support frame is in the shape of a rectangular frame extending horizontally, and the first linear driver is arranged at the inner side of the horizontal moving support frame.

[0012] According to some embodiments of the present application, the horizontal moving support frame is in the shape of a rectangular frame extending horizontally, and the first linear driver is arranged at the inner side of the horizontal moving support frame.

[0013] According to some embodiments of the present application, the horizontal moving support frame is in the shape of a rectangular frame extending horizontally, and the first linear driver is arranged at the inner side of the horizontal moving support frame.

[0014] According to some embodiments of the present application, the horizontal moving support frame is in the shape of a rectangular frame extending horizontally, and the first linear driver is arranged at the inner side of the horizontal moving support frame.

[0015] According to some embodiments of the present application, the horizontal moving support frame is in the shape of a rectangular frame extending horizontally, and the first linear driver is arranged at the inner side of the horizontal moving support frame.

[0016] According to some embodiments of the present application, the horizontal moving support frame is in the shape of a rectangular frame extending horizontally, and the first linear driver is arranged at the inner side of the horizontal moving support frame.

[0017] According to some embodiments of the present application, the horizontal moving support frame is in the shape of a rectangular frame extending horizontally, and the first linear driver is arranged at the inner side of the horizontal moving support frame.

[0018] Additional aspects and advantages of the present application will be given in part in the following description, become apparent from the following description, or be learned from the practice of the present application. BRIEF DESCRIPTION OF DRAWINGS

[0019] The above and / or additional aspects and advantages of the present application will become apparent and more readily appreciated from the following description, taken in conjunction with the following drawings, in which:

[0020] Fig. 1 is a schematic diagram of the 3D printer movement mechanism of the embodiment of the present application;

[0021] Fig. 2is the three-dimensional structure schematic diagram of the horizontal moving support frame in the embodiment of the utility model;

[0022] Fig. 3 is the three-dimensional structure schematic diagram of the lifting support frame in the embodiment of the utility model;

[0023] In the drawings:

[0024] 100-base frame; 200-horizontal moving support frame; 210-connection plate; 211-first through slot; 212-boss; 220-printing table; 231-first guide rail; 232-first linear driver; 300-lifting support frame; 310-bottom beam; 311-second through slot; 312-step; 320-lifting frame; 330-stand column; 331-second guide rail; 332-second linear driver. DETAILED DESCRIPTION

[0025] The embodiments of the utility model are described in detail below, examples of the embodiments are shown in the drawings, wherein the same or similar reference signs represent the same or similar elements or elements with the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary, only for explaining the utility model, and cannot be understood as limiting the utility model.

[0026] In the description of the utility model, it is understood that the orientation description, such as up, down, front, back, left, right and the like, is based on the orientation or positional relationship shown in the drawings, only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore, it cannot be understood as limiting the utility model. In addition, several meanings are one or more, and the meaning of more than two is more than two, greater than, less than, more than, etc. are understood as not including the number, above, below, etc. are understood as including the number. If it is described as first, second, it is only used for distinguishing technical features for the purpose, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features or implicitly indicating the sequence of indicated technical features.

[0027] In the description of the utility model, unless otherwise explicitly limited, the words such as setting, installation, connection and the like should be broadly understood, and the person skilled in the art can reasonably determine the specific meaning of the above words in the utility model according to the specific content of the technical scheme.

[0028] The following refers to Figs. 1 to 3 The 3D printer movement mechanism according to the embodiments of the utility model is described.

[0029] The 3D printer movement mechanism of the embodiments of the utility model, with reference to Fig. 1, including a base frame 100, a printing table 220 and a lifting frame 320.

[0030] The base frame 100 is used to be placed on the ground, the printing table 220 is slidably connected with the base frame 100, and the printing table 220 and the base frame 100 can be slidably connected through a guide rail sliding block mechanism. Specifically, the base frame 100 is provided with a first guide rail 231 extending horizontally, the printing table 220 is provided with a first sliding block, and the first sliding block is slidably arranged in the first guide rail 231, that is, the sliding connection between the printing table 220 and the base frame 100 is realized. The base frame 100 is provided with a first linear driver 232 for driving the printing table 220. The first linear driver 232 can be a linear motor, or a linear driving structure driven by a motor and a belt wheel-belt, or a linear driving structure driven by a motor and a screw nut, or other suitable devices.

[0031] The lifting frame 320 is slidably connected with the base frame 100, and the lifting frame 320 and the base frame 100 can be slidably connected through a guide rail sliding block mechanism. Specifically, the base frame 100 is provided with a second guide rail 331 extending vertically, the lifting frame 320 is provided with a second sliding block, and the second sliding block is slidably arranged in the second guide rail 331, that is, the sliding connection between the printing table 220 and the base frame 100 is realized. The base frame 100 is provided with a second linear driver 332 for driving the lifting frame 320. The second linear driver 332 can be a linear motor, or a linear driving structure driven by a motor and a belt wheel-belt, or a linear driving structure driven by a motor and a screw nut, or other suitable devices. The lifting frame 320 is provided with a plurality of nozzle module mounting areas, the plurality of nozzle module mounting areas are arranged in sequence from front to back, and adjacent two nozzle module mounting areas are arranged in left-right staggered mode. The plurality of nozzle module mounting areas are all arranged above the printing table 220.

[0032] In use, the printing nozzle is mounted in the nozzle module mounting area, the printing nozzle sprays wax while the printing table 220 moves horizontally, that is, the first layer of the workpiece is printed, then the lifting frame 320 is lifted by a certain distance, then the printing nozzle sprays wax while the printing table 220 moves horizontally, that is, the second layer of the workpiece is printed, and the printing of the workpiece is completed by repeating the above steps. The printing nozzle sprays wax while being stationary, without moving, which avoids the problem of internal wax liquid shaking when spraying wax, and is beneficial to improve the printing precision. Among them, by arranging a plurality of nozzle module mounting areas, the lifting frame 320 can be provided with a plurality of printing nozzles arranged side by side to obtain sufficient printing size in the front-back direction, so that the printing nozzle and the printing table 220 do not need to move in the front-back direction, thereby improving the printing efficiency. By arranging adjacent two nozzle module mounting areas in left-right staggered mode, adjacent two printing nozzles can be partially overlapped in the front-back position to maintain the continuity of the printing area.

[0033] In some embodiments of the utility model, base frame 100 includes horizontal moving support frame 200 and lifting support frame 300, printing table 220 is located in horizontal moving support frame 200, lifting frame 320 is located in lifting support frame 300, horizontal moving support frame 200 is equipped with first positioning structure, lifting support frame 300 is equipped with second positioning structure, first positioning structure is connected with second positioning structure, printing table 220 is connected with first sliding structure of horizontal moving support frame 200, second sliding structure is connected between lifting frame 320 and lifting support frame 300, the horizontal moving support frame 200 of this embodiment is directly connected with lifting support frame 300, which is beneficial to reduce the accumulated error between the two, and is beneficial to make the perpendicularity of first sliding structure and second sliding structure more accurate.

[0034] In some embodiments of the utility model, horizontal moving support frame 200 is rectangular frame shape extending horizontally, and first linear driver 232 is located on the inner side of horizontal moving support frame 200. In this way, the space is fully utilized, and the structure is reasonable and compact.

[0035] In some embodiments of the utility model, referring to Fig. 2 , the bottom of horizontal moving support frame 200 is provided with connecting plate 210, and first positioning structure is located in connecting plate 210. Horizontal moving support frame 200 includes front beam, rear beam, left beam and right beam, connecting plate 210 is connected between front beam and rear beam, and first positioning structure is arranged on connecting plate 210, which can uniformly transmit the force transmitted between horizontal moving support frame 200 and lifting support frame 300 to all parts of horizontal moving support frame 200.

[0036] In some embodiments of the utility model, referring to Fig. 3 , lifting support frame 300 is rectangular frame shape arranged vertically, and lifting support frame 300 has front and rear extending bottom beam 310, and horizontal moving support frame 200 penetrates the inner side of lifting support frame 300 along the horizontal direction, first positioning structure is located at the bottom of horizontal moving support frame 200, and second positioning structure is located at bottom beam 310. In this way, the structure is firm, the force transmitted between horizontal moving support frame 200 and lifting support frame 300 can be directly transmitted to lifting support frame 300, which is beneficial to make the perpendicularity of first sliding structure and second sliding structure more accurate.

[0037] In some embodiments of the utility model, lifting frame 320 has top beam and two columns 330 connected between top beam and bottom beam 310, and two columns 330 are connected to the upper side of bottom beam 310. In this way, the force transmission between top beam, column 330 and bottom beam 310 does not need to pass through other parts of base frame 100, which is beneficial to make the perpendicularity of first sliding structure and second sliding structure more accurate.

[0038] In some embodiments of the utility model, the bottom beam 310 is in the form of a horizontally arranged plate. This facilitates the stable connection of the bottom beam 310 to the support table of the base frame 100.

[0039] In some embodiments of the utility model, the first positioning structure comprises a first through slot 211 extending front to back at the bottom of the transverse support frame 200, and the first positioning structure comprises a second through slot 311 extending horizontally at the top of the bottom beam 310, and the top wall of the first through slot 211 is attached to the bottom wall of the second through slot 311. This makes the parallelism between the top wall of the first through slot 211 and the bottom wall of the second through slot 311 more accurate, which facilitates the more accurate perpendicularity of the first sliding structure and the second sliding structure.

[0040] It can be understood that the frame-shaped transverse support frame 200 and the lifting support frame 300 are made by welding and painted to prevent rust. The surfaces thereof are difficult to serve as a reference for installing the first guide rail 231 and the second guide rail 331. In the present embodiment, the transverse support frame 200 is provided with a first mounting surface for mounting the first guide rail 231, and the first mounting surface is parallel to the top wall of the first through slot 211. The lifting support frame 300 is provided with a second mounting surface for mounting the second guide rail 331, and the second mounting surface is perpendicular to the bottom wall of the second through slot 311. During production, the first mounting surface and the top wall of the first through slot 211 can be machined to be parallel to each other on the transverse support frame 200, and the second mounting surface and the bottom wall of the second through slot 311 can be machined to be perpendicular to each other on the lifting support frame 300. In this way, the first guide rail 231 can be mounted on the first mounting surface, the second guide rail 331 can be mounted on the second mounting surface, and the top wall of the first through slot 211 can be attached to the bottom wall of the second through slot 311, so that the first guide rail 231 and the second guide rail 331 can obtain better perpendicularity.

[0041] In some embodiments of the utility model, the left end and the right end of the second through slot 311 are each provided with a downwardly recessed step 312, and the top wall of the first through slot 211 is provided with two downwardly protruding bosses 212 at both ends thereof, and the two bosses 212 are one-to-one correspondingly embedded in the two steps 312. In this way, the transverse support frame 200 can be prevented from being shifted or rotated relative to the lifting support frame 300.

[0042] In some embodiments of the utility model, base frame 100 is equipped with a support table, the bottom surface of horizontal moving support frame 200 and the bottom surface of bottom beam 310 are attached to the support table. In this way, horizontal moving support frame 200 and lifting support frame 300 can be stably installed on the support table. Among them, connecting plate 210 can be provided with a plurality of first bolt holes, bottom beam 310 can be provided with a plurality of second bolt holes, and the support table can be provided with a plurality of third bolt holes. The plurality of third bolt holes, the plurality of second bolt holes and the plurality of first bolt holes are coaxially arranged one by one. Horizontal moving support frame 200, lifting support frame 300 and the support table can be connected through a plurality of connecting bolts. The connecting bolts are connected with nuts after penetrating the first bolt holes, the second bolt holes and the third bolt holes, thereby realizing the installation and connection between horizontal moving support frame 200, lifting support frame 300 and the support table.

[0043] The preferred embodiments of the utility model are specifically described above, but the utility model is not limited to the embodiments, and those skilled in the art can make various equivalent modifications or replacements without departing from the spirit of the utility model. These equivalent modifications or replacements are all included in the range defined by the claims of the present application.

Claims

1. A 3D printer motion mechanism, characterized in that, Include: Base frame; Printing platform, with the base frame left and right sliding connection, the base frame is provided for driving the first linear drive printing platform; Lifting frame, with the base frame up and down sliding connection, the base frame is provided for driving the second linear drive lifting frame, the lifting frame is provided with a plurality of nozzle module installation area, a plurality of nozzle module installation area is arranged from front to back, two adjacent nozzle module installation area left and right staggered arrangement, a plurality of nozzle module installation area is located above the printing platform.

2. The 3D printer motion mechanism of claim 1, wherein: The base frame includes a horizontal movement support frame and a lifting support frame, the printing platform is arranged in the horizontal movement support frame, and the lifting frame is arranged in the lifting support frame; the horizontal movement support frame is provided with a first positioning structure, and the lifting support frame is provided with a second positioning structure; the first positioning structure is connected with the second positioning structure.

3. The 3D printer motion mechanism of claim 2, wherein: The horizontal movement support frame is in the shape of a rectangular frame extending horizontally, and the first linear drive is arranged on the inner side of the horizontal movement support frame.

4. The 3D printer motion mechanism of claim 3, wherein: The bottom of the horizontal movement support frame is provided with a connecting plate, and the first positioning structure is arranged on the connecting plate.

5. The 3D printer motion mechanism of claim 2, wherein: The lifting support frame is in the shape of a rectangular frame arranged vertically, and has a bottom beam extending from front to back, and the horizontal movement support frame penetrates through the inner side of the lifting support frame in the horizontal direction; the first positioning structure is arranged on the bottom of the horizontal movement support frame, and the second positioning structure is arranged on the bottom beam.

6. The 3D printer motion mechanism of claim 5, wherein: The lifting frame has a top beam and two columns connected between the top beam and the bottom beam, and the two columns are connected to the upper side of the bottom beam.

7. The 3D printer motion mechanism of claim 6, wherein: The bottom beam is in the shape of a plate arranged horizontally.

8. The 3D printer motion mechanism of claim 5, wherein: The first positioning structure includes a first through slot extending from front to back arranged on the bottom of the horizontal movement support frame, and the first positioning structure includes a second through slot extending horizontally arranged on the top of the bottom beam, and the top wall of the first through slot is fitted with the bottom wall of the second through slot.

9. The 3D printer motion mechanism of claim 8, wherein: The left end and the right end of the second through slot are provided with downward recessed steps, and the two ends of the top wall of the first through slot are provided with downward protruding bosses, and the two bosses are one-to-one embedded in the two steps.

10. The 3D printer motion mechanism of claim 8, wherein: The base frame is provided with a support table, and the bottom surface of the horizontal movement support frame and the bottom surface of the bottom beam are fitted with the support table.

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