Multipurpose planar and three-dimensional multi-material mixed printing device

Abstract

The utility model discloses a multipurpose planar and three-dimensional multi-material mixed printing device, which drives a feeding mechanism and an optical printing system to correspondingly move relative to a forming platform through an axial driving mechanism, so that planar printing and / or three-dimensional printing can be carried out according to printing requirements, and the practicability is high. In addition, the two feeding modules are correspondingly arranged on the two sides of the optical printing system, and the printing efficiency can be improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to additive manufacturing technology field especially a multipurpose plane, three -dimensional multi -material hybrid printing device. BACKGROUND

[0002] 3D printing technology is with computer three -dimensional design model as blueprint, use software to scatter decomposition into several layer plane slice, then by numerical control forming system utilizes laser beam, hot melt nozzle etc. Powder, liquid or silk metal, ceramic, plastic, cell tissue etc. Material is piled up and bonded layer by layer, finally adds up to shape, manufactures entity product. 3D printer is the core equipment of 3D printing, it is the complex mechatronics system of set mechanical, control and computer technology as a whole, mainly by high precision mechanical system, numerical control system, jet system and forming environment etc. Subsystem composition. Contrary to traditional manufacturing's'subtractive manufacturing technology ', 3D printing follows the addition principle, namely'layer by layer'principle, no longer needs traditional cutter, fixture and machine tool, can realize design manufacturing integration, thereby greatly reduces production cost and shortens processing cycle, improves raw material and energy utilization, reduces the influence to environment, and can realize the design and manufacture of complex structure product, and the density of shaped product is more uniform.

[0003] Different kinds of rapid prototyping system because of the forming material used, forming principle and system characteristics are also different. But all are based on the discrete accumulation principle, namely layer manufacturing, layer by layer method. Its basic flow is: first use computer software to design three -dimensional model, then the three -dimensional digital model is scattered into face, line and point, again through 3D printing equipment layer by layer, finally becomes a three -dimensional physical object.

[0004] With the rise of 3D printing technology, 3D printing is used in more and more places, limited by the existing printing device, only one kind of material can be printed each time, especially for a printing object with multiple color materials, it often needs to be printed in steps, which has a great influence on the connection and printing speed.

[0005] In addition, in the field of plane printing, the main focus is on printing width, printing material and printing efficiency, it is difficult to produce three-dimensional patterns, and inkjet method is often used, which limits the printing material; in the field of three-dimensional printing, it is mainly limited by single printing material.

[0006] Therefore, the utility model is proposed to solve the above problems. CONTENT OF UTILITY MODEL

[0007] The utility model aims at overcoming the prior art's insufficient, provide a multipurpose plane, three -dimensional multi -material hybrid printing device, this through axial drive mechanism drive feed mechanism and optical printing system corresponding movement relative to forming platform, namely can according to printing demand to carry out plane printing and / or three -dimensional printing, high practicability, in addition through corresponding with two feed module set in optical printing system both sides, can improve printing efficiency.

[0008] The utility model is realized through the following technical schemes:

[0009] A multipurpose plane, three -dimensional multi -material hybrid printing device, it includes:

[0010] Frame;

[0011] Forming platform 1, the forming platform 1 is equipped on the frame;

[0012] Feed mechanism 2, the feed mechanism 2 includes at least two groups of feed module 21 that can be relative to forming platform 1 and along the frame X axle or Y axle direction interval arrangement;

[0013] Optical printing system 3, the optical printing system 3 can be relative to forming platform 1 and be located between two adjacent the feed module 21;

[0014] Axial drive mechanism, the axial drive mechanism includes X axle drive mechanism 4 for drive feed mechanism 2 and optical printing system 3 along the frame X axle movement, Y axle drive mechanism 5 for drive feed mechanism 2 and optical printing system 3 along the frame Y axle movement and Z axle drive mechanism 6 for drive feed mechanism 2 and optical printing system 3 along the frame Z axle movement.

[0015] As above a multipurpose plane, three -dimensional multi -material hybrid printing device, the frame still is equipped with the distance sensor 7 for measuring the layer thickness of printing raw material that is laid on forming platform 1.

[0016] As above a multipurpose plane, three -dimensional multi -material hybrid printing device, the lift drive mechanism 22 is equipped between each the feed module 21 and frame.

[0017] As above a multipurpose plane, three -dimensional multi -material hybrid printing device, the feed module 21 includes feed bin body 211, the lower end of the feed bin body 211 is equipped with feed port 212, the feed bin body 211 is equipped with at least one feed channel 213 for conveying printing raw material and with feed port 212 intercommunication.

[0018] As above a multipurpose plane, three -dimensional multi -material hybrid printing device, the feed bin body 211 is equipped with scraper 214 for scraping the printing raw material that feed mechanism 2 is laid on forming platform 1.

[0019] As the multipurpose plane, three-dimensional multi-material hybrid printing device described above, the Y-axis drive mechanism 5 includes Y-axis sliding seat 52 that can slide along the Y-axis direction of the rack, Y-axis sliding seat 52 and the rack are equipped with Y-axis linear drive motor 51 for driving Y-axis sliding seat 52 to slide along the Y-axis direction of the rack, the stator of Y-axis linear drive motor 51 is laid on the rack along the Y-axis direction of the rack, the rotor of Y-axis linear drive motor 51 is fixedly connected with Y-axis sliding seat 52, the X-axis drive mechanism 4 is arranged on Y-axis sliding seat 52, and the Z-axis drive mechanism 6 is configured to be driven by the X-axis drive mechanism 4.

[0020] As the multipurpose plane, three-dimensional multi-material hybrid printing device described above, Y-axis sliding seat 52 and the rack are equipped with Y-axis guide mechanism 8, Y-axis guide mechanism 8 includes Y-axis guide rail 81 arranged on the rack and extending along the Y-axis direction of the rack and Y-axis sliding block 82 arranged on Y-axis sliding seat 52 and guided and slid with Y-axis guide rail 81.

[0021] As the multipurpose plane, three-dimensional multi-material hybrid printing device described above, the respective end of Y-axis sliding seat 52 and the rack are equipped with buffer mechanism 9, and the buffer mechanism 9 includes buffer arranged on the rack and used for buffering the respective end of Y-axis sliding seat 52.

[0022] As the multipurpose plane, three-dimensional multi-material hybrid printing device described above, the Z-axis drive mechanism 6 includes Z-axis base plate 64 that can move along the Z-axis direction of the rack and Z-axis drive motor 61 fixedly connected with the driving end of the X-axis drive mechanism 4, the motor shaft of Z-axis drive motor 61 is connected with Z-axis transmission screw rod 62, Z-axis sliding block 63 is slidably arranged on Z-axis transmission screw rod 62, and Z-axis sliding block 63 is fixedly connected with Z-axis base plate 64, and the feeding mechanism 2 and the optical printing system 3 are located on the Z-axis base plate 64.

[0023] Compared with the prior art, the utility model has the advantages that:

[0024] 1、 the X-axis drive mechanism and Y-axis drive mechanism cooperate to drive the feeding mechanism and the optical printing system to move correspondingly, so that plane printing can be realized on the forming platform, the X-axis drive mechanism, Y-axis drive mechanism and Z-axis drive mechanism are used to drive the feeding mechanism and the optical printing system to move correspondingly, so that three-dimensional printing can be realized on the forming platform, that is, the utility model can realize plane printing and / or three-dimensional printing according to the printing requirement, and realizes the functions of two-dimensional and three-dimensional printing, so that the utility model has the characteristics of high practicability and convenient printing.

[0025] 2, the utility model discloses a two feed module is arranged at intervals along the frame X axle direction, and the optical printing system is placed between two feed module, when printing is moved from the left side of forming platform to its right side direction, the feed module of right side will print raw material lay on the forming platform at this moment, then the optical printing system carries out corresponding irradiation to the print raw material on the forming platform and obtains 2D solidified layer, when printing is moved from the right side of forming platform to its left side direction, the feed module of left side will print raw material lay on the forming platform at this moment, then the optical printing system carries out corresponding irradiation to the print raw material on the forming platform and obtains 2D solidified layer, improves printing efficiency.

[0026] 3, in order to ensure printing precision and printing quality, the frame is also equipped with the distance sensor for measuring the layer thickness of print raw material laid on the forming platform.

DRAWINGS

[0027] The specific embodiment of the utility model is explained in further detail below in combination with the drawings, wherein:

[0028] Figure 1 It is one of the perspective view of the utility model.

[0029] Figure 2 It is the second perspective view of the utility model.

[0030] Figure 3 It is the front view of the utility model.

[0031] Figure 4 It is the perspective view of the Z axle drive mechanism in the utility model.

[0032] Figure 5 It is the explosion view of the Z axle drive mechanism in the utility model.

[0033] Figure 6 It is the perspective view of the feed module in the utility model.

[0034] Figure 7 It is the printing forming process schematic view of the utility model.

Specific Implementation Ways

[0035] The embodiment of the utility model is explained in detail below in combination with the drawings.

[0036] As Figures 1-7 Shown, the utility model discloses a multipurpose plane, three-dimensional multi-material hybrid printing device, comprising:

[0037] Frame;

[0038] Forming platform 1, the forming platform 1 is equipped on the frame;

[0039] A feeding mechanism 2, which comprises at least two groups of feeding modules 21 movably arranged along the X-axis or Y-axis of the frame and spaced apart;

[0040] An optical printing system 3 movably arranged relative to the forming platform 1 and located between two adjacent feeding modules 21;

[0041] An axial driving mechanism, which comprises an X-axis driving mechanism 4 for driving the feeding mechanism 2 and the optical printing system 3 to move along the X-axis of the frame, a Y-axis driving mechanism 5 for driving the feeding mechanism 2 and the optical printing system 3 to move along the Y-axis of the frame, and a Z-axis driving mechanism 6 for driving the feeding mechanism 2 and the optical printing system 3 to move along the Z-axis of the frame. When printing, the X-axis driving mechanism and the Y-axis driving mechanism cooperate to drive the feeding mechanism and the optical printing system to move correspondingly, so that super-large plane printing can be realized on the forming platform. Through the X-axis driving mechanism, the Y-axis driving mechanism and the Z-axis driving mechanism, the feeding mechanism and the optical printing system can be driven to move correspondingly, so that three-dimensional printing can be realized on the forming platform. That is, the utility model can realize plane printing and / or three-dimensional printing according to the printing requirements, and can realize two-dimensional and three-dimensional printing functions, which has the characteristics of high practicability and convenient printing. In addition, the utility model realizes printing and forming by driving the feeding mechanism 2 and the optical printing system 3 to move relative to the forming platform 1 through the axial driving mechanism, which can ensure that the solidified layer is firmly bonded on the forming platform, so that the utility model has the characteristics of large-size 3D printing equipment.

[0042] The utility model discloses two feeding modules are arranged along the X-axis of the frame and spaced apart, and the optical printing system is arranged between the two feeding modules. When printing from the left side of the forming platform to the right side of the forming platform, the feeding module on the right side will lay the printing raw materials on the forming platform, and then the optical printing system will irradiate the printing raw materials on the forming platform to obtain a 2D solidified layer. When printing from the right side of the forming platform to the left side of the forming platform, the feeding module on the left side will lay the printing raw materials on the forming platform, and then the optical printing system will irradiate the printing raw materials on the forming platform to obtain a 2D solidified layer, which improves the printing efficiency.

[0043] Further, the optical printing system 3 comprises a light source, a light modulation module 31 for converting the graphic information emitted by the light source into a light pattern, and an imaging lens assembly 32 for focusing the light pattern of the light modulation module 31 to the forming platform. The imaging lens assembly can improve the pixel points of the light pattern of the light modulation module, thereby improving the high contrast of each layer of image during 3D printing, and further improving the overall 3D printing quality and success rate.

[0044] In order to improve the printing efficiency and printing quality, the light modulation module is a light modulation device such as DLP or LCD or OLED or LCOS or MicroLED, etc. The imaging lens assembly is an imaging focusing lens, etc.

[0045] As shown in Figures 1-5 , in order to ensure the printing accuracy, the rack is also provided with a distance sensor 7 for measuring the thickness of the printing material layer laid on the forming platform 1. In this embodiment, the distance sensor 7, the optical printing system 3 and the feeding module 21 are all located on the Z-axis base plate 64. During printing, the distance sensor 7 measures the thickness of the printing material laid on the forming platform, and the Z-axis driving mechanism 6 follows the printing in real time according to the distance value read by the distance sensor 7, thereby ensuring the accuracy of the single-layer printing height.

[0046] As shown in Figure 4 , 5 , each of the feeding modules 21 is provided with a lifting driving mechanism 22 between the feeding module 21 and the rack. As shown in Figure 7 , when printing from the left side of the forming platform to the right side of the forming platform, at this moment, the right side feeding module lays the printing material on the forming platform, and then the optical printing system irradiates the printing material on the forming platform to obtain a 2D solidified layer (the left side feeding module is lifted by the lifting driving mechanism 22); when printing from the right side of the forming platform to the left side of the forming platform, at this moment, the left side feeding module lays the printing material on the forming platform, and then the optical printing system irradiates the printing material on the forming platform to obtain a 2D solidified layer (the right side feeding module is lifted by the lifting driving mechanism 22), thereby avoiding interference and affecting printing, and ensuring normal printing. Preferably, the lifting driving mechanism 22 is a lifting driving cylinder.

[0047] Each of the feeding modules 21 is provided with a feeding guide mechanism between the feeding module 21 and the rack, and the feeding guide mechanism includes a feeding guide rod arranged on the Z-axis base plate 64 of the rack and extending along the Z-axis direction of the rack, and a feeding sliding sleeve arranged on the feeding bin body 211 of the feeding module 21 and slidably sleeved on the feeding guide rod, which is not marked in the figure.

[0048] As shown in Figures 4-6 , the feeding module 21 includes a feeding bin body 211, the lower end of the feeding bin body 211 is provided with a feeding port 212, and the feeding bin body 211 is provided with at least one feeding channel 213 for conveying the printing material and communicating with the feeding port 212. In this embodiment, the feeding channel 213 is three, and the conveying ports of the three feeding channels 213 all communicate with the feeding port 212, or the conveying ports of the three feeding channels 213 are independent of each other. Among them, the three feeding channels 213 can convey the same kind of printing material, or can convey different kinds of printing material.

[0049] As shown in Figures 4-6As shown, in order to improve the printing quality, the feeder bin body 211 is provided with a scraper 214 for leveling the printing material laid on the forming platform 1 by the feeding mechanism 2. Figure 6 As shown, the sidewall of the feeder bin body 211 is provided with a mounting sliding groove for mounting the scraper 214, and the scraper 214 is provided with an adjusting lock hole, and a lock screw / screw is arranged in the adjusting lock hole for locking the scraper 214 relative to the feeder bin body 211. In this embodiment, the scraper 214 can be adjusted by adjusting the tightness of the lock screw.

[0050] As shown in the drawings, Figure 1 , 2 As shown, the Y-axis driving mechanism 5 comprises a Y-axis sliding seat 52 capable of sliding along the Y-axis direction of the rack, and a Y-axis linear driving motor 51 is arranged between the Y-axis sliding seat 52 and the rack for driving the Y-axis sliding seat 52 to slide along the Y-axis direction of the rack. The stator of the Y-axis linear driving motor 51 is laid on the rack along the Y-axis direction of the rack, and the rotor of the Y-axis linear driving motor 51 is fixedly connected to the Y-axis sliding seat 52. The X-axis driving mechanism 4 is arranged on the Y-axis sliding seat 52, and the Z-axis driving mechanism 6 is configured to be driven by the X-axis driving mechanism 4. This embodiment adopts the Y-axis linear driving motor 51, which has the characteristics of high precision, high acceleration, high speed, high responsiveness, low noise, high stability, and low wear. The X-axis driving mechanism 4 is the same as the Y-axis driving mechanism 5, which will not be repeated here.

[0051] As shown in the drawings, Figure 1 , 2 As shown, the Y-axis sliding seat 52 and the rack are provided with a Y-axis guiding mechanism 8, which comprises a Y-axis guide rail 81 arranged on the rack and extending along the Y-axis direction of the rack, and a Y-axis sliding block 82 arranged on the Y-axis sliding seat 52 and guidingly sliding with the Y-axis guide rail 81. The Y-axis guiding mechanism 8 can make the Y-axis sliding seat 52 slide more stably and smoothly, and avoid shaking to affect the printing effect.

[0052] As shown in the drawings, Figure 1 , 2 As shown, the Y-axis sliding seat 52 and the rack are provided with a Y-axis guiding mechanism 8, which comprises a Y-axis guide rail 81 arranged on the rack and extending along the Y-axis direction of the rack, and a Y-axis sliding block 82 arranged on the Y-axis sliding seat 52 and guidingly sliding with the Y-axis guide rail 81. The Y-axis guiding mechanism 8 can make the Y-axis sliding seat 52 slide more stably and smoothly, and avoid shaking to affect the printing effect.

[0053] As shown in the drawings, Figures 1-5As shown, in order to improve the printing efficiency, the Z-axis driving mechanism 6 comprises a Z-axis base plate 64 capable of moving along the Z-axis direction of the frame and a Z-axis driving motor 61 fixedly connected with the driving end of the X-axis driving mechanism 4, the motor shaft of the Z-axis driving motor 61 is connected with a Z-axis transmission screw rod 62, the Z-axis transmission screw rod 62 is slidably provided with a Z-axis sliding block 63, the Z-axis sliding block 63 is fixedly connected with the Z-axis base plate 64; the feeding mechanism 2 and the optical printing system 3 are located on the Z-axis base plate 64. When it is necessary to adjust the distance between the feeding port 212, the optical printing system 3 and the forming platform 1, the Z-axis sliding block 63 drives the Z-axis base plate 64 to correspondingly ascend or descend along the Z-axis direction of the frame through the Z-axis transmission screw rod 62 by controlling the forward rotation or reverse rotation of the Z-axis driving motor 61, so the adjustment is convenient, fast and stable.

[0054] The frame is further provided with a forming bin, the forming platform 1 is located inside the forming bin, which can prevent the 3D printing component on the forming platform from collapsing, which is not marked in the figure.

Claims

1. A multi-purpose planar, volumetric multi-material hybrid printing device, characterized by The application relates to a printing device, which comprises: a rack; a forming platform (1) arranged on the rack; a feeding mechanism (2) comprising at least two groups of feeding modules (21) which are movable relative to the forming platform (1) and are arranged along the X-axis or Y-axis direction of the rack; an optical printing system (3) which is movable relative to the forming platform (1) and is arranged between two adjacent feeding modules (21); an axial driving mechanism which comprises an X-axis driving mechanism (4) for driving the feeding mechanism (2) and the optical printing system (3) to move along the X-axis direction of the rack, a Y-axis driving mechanism (5) for driving the feeding mechanism (2) and the optical printing system (3) to move along the Y-axis direction of the rack, and a Z-axis driving mechanism (6) for driving the feeding mechanism (2) and the optical printing system (3) to move along the Z-axis direction of the rack.

2. The multi-purpose planar, volumetric multi-material hybrid printing apparatus of claim 1, wherein A distance sensor (7) for measuring the thickness of a layer of printing material laid on the forming platform (1) is arranged on the rack.

3. The multi-purpose planar, volumetric multi-material hybrid printing apparatus of claim 1, wherein A lifting driving mechanism (22) is arranged between each feeding module (21) and the rack.

4. The multi-purpose planar, volumetric multi-material hybrid printing apparatus of claim 1, wherein The feeding module (21) comprises a feeding bin body (211) provided with a feeding port (212) at the lower end, and at least one feeding channel (213) for conveying printing material and communicating with the feeding port (212) is arranged on the feeding bin body (211).

5. The multi-purpose planar, volumetric multi-material hybrid printing apparatus of claim 4, wherein A scraper (214) for scraping the printing material laid on the forming platform (1) by the feeding mechanism (2) is arranged on the feeding bin body (211).

6. The multi-purpose planar, volumetric multi-material hybrid printing apparatus of any one of claims 1-5, wherein The Y-axis driving mechanism (5) comprises a Y-axis sliding seat (52) which can slide along the Y-axis direction of the rack, a Y-axis linear driving motor (51) for driving the Y-axis sliding seat (52) to slide along the Y-axis direction of the rack is arranged between the Y-axis sliding seat (52) and the rack, the stator of the Y-axis linear driving motor (51) is laid on the rack along the Y-axis direction of the rack, and the rotor of the Y-axis linear driving motor (51) is fixedly connected with the Y-axis sliding seat (52) in opposite connection; the X-axis driving mechanism (4) is arranged on the Y-axis sliding seat (52), and the Z-axis driving mechanism (6) is configured to be driven by the X-axis driving mechanism (4).

7. The multi-purpose planar, volumetric multi-material hybrid printing apparatus of claim 6, wherein A Y-axis guiding mechanism (8) is arranged between the Y-axis sliding seat (52) and the rack, the Y-axis guiding mechanism (8) comprises a Y-axis guide rail (81) arranged on the rack and extending along the Y-axis direction of the rack, and a Y-axis sliding block (82) arranged on the Y-axis sliding seat (52) and guidingly slidingly matched with the Y-axis guide rail (81).

8. The multi-purpose planar, volumetric multi-material hybrid printing apparatus of claim 6, wherein A buffer mechanism (9) is arranged between the corresponding end of the Y-axis sliding seat (52) and the rack, and the buffer mechanism (9) comprises a buffer arranged on the rack and used for buffering the corresponding end of the Y-axis sliding seat (52).

9. The multi-purpose planar, volumetric multi-material hybrid printing apparatus of any one of claims 1-6, wherein The Z-axis driving mechanism (6) comprises a Z-axis base plate (64) capable of moving along the Z-axis direction of the frame and a Z-axis driving motor (61) fixedly connected opposite to the driving end of the X-axis driving mechanism (4), a motor shaft of the Z-axis driving motor (61) is connected with a Z-axis transmission screw rod (62), a Z-axis sliding block (63) is slidably arranged on the Z-axis transmission screw rod (62), and the Z-axis sliding block (63) is fixedly connected with the Z-axis base plate (64); the feeding mechanism (2) and the optical printing system (3) are located on the Z-axis base plate (64).

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