Pneumatic 3D printer

By using pneumatic components and a three-axis moving printing execution component, the limitations of material extrusion control in traditional 3D printers have been overcome, enabling precise printing of various materials and improving printing accuracy and flexibility.

CN223750272UActive Publication Date: 2026-01-02SHENZHEN HIFUN INNOVATION TECH CO LTD
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Patent Information

Application Number
CN202520193549.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-07
Publication Date
2026-01-02
Estimated Expiration
2035-02-07

AI Technical Summary

Technical Problem

Traditional 3D printers have limitations in material extrusion control, making it difficult to adapt to the precise printing needs of various materials.

Method used

The extrusion of material is controlled by pneumatic components. Through the combination of an air inlet module, a pressure regulating module, an air valve module, and a pressure relief module, the material is accurately delivered and ejected. Combined with the three-axis movement of the printing execution component, it is suitable for a variety of materials.

Benefits of technology

It achieves precise control over materials and applicability to a variety of materials, improving printing accuracy and flexibility.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of 3D printing, and discloses a pneumatic 3D printer which comprises a machine box, a printing station is arranged on the machine box, a printing platform is arranged on the printing station, the printing platform is configured to move in a reciprocating mode in the third direction, and a printing execution assembly is further arranged on the printing station. The printing execution assembly is configured to move in a reciprocating mode in the first direction and the second direction, the printing execution assembly comprises a feeding bin and a nozzle, and the feeding bin conveys printing materials to the nozzle; the pneumatic assembly is arranged in the case and comprises an air inlet module, a pressure regulating module, an air valve module and a pressure relief module, the air inlet module is connected with the pressure regulating module, the pressure regulating module is connected with the air valve module, and the air valve module is connected with the pressure relief module and the nozzle. The printing execution assembly is matched with the printing platform to achieve moving printing in the three axial directions, meanwhile, the pneumatic assembly compresses air to push materials to be conveyed from the feeding bin to the nozzle so that the materials can be sprayed out of the nozzle, accurate control can be achieved, and meanwhile multiple materials can be applied.
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Description

TECHNICAL FIELD

[0001] The utility model relates to 3D printing technical field especially relates to a pneumatic 3D printer. BACKGROUND

[0002] Traditional 3D printer mainly adopts fused deposition modeling (FDM) or light solidification (SLA / DLP) technology. FDM is through heating thermoplastic material and layering extrusion forming, and SLA / DLP utilizes ultraviolet light to solidify liquid resin. And compressed air is used to push material through nozzle, and the material can be liquid, paste or granular. The extrusion of material is controlled by air pressure, and it is suitable for various materials. SUMMARY

[0003] Based on the above, the utility model discloses a purpose in providing a kind of pneumatic 3D printer, and it is suitable for various materials by the basis of air pressure control material.

[0004] To achieve the above purpose, the utility model adopts the following technical scheme:

[0005] The utility model provides a kind of pneumatic 3D printer, comprising:

[0006] Case, print station is arranged thereon, print platform is arranged on the print station, the print platform is configured to be able to reciprocate along third direction, print execution component is also arranged on the print station, the print execution component is configured to reciprocate along first direction and second direction respectively, the print execution component includes feed bin and nozzle, and the feed bin transports printing material to the nozzle;

[0007] Pneumatic component is arranged in the case, and it includes air inlet module, pressure regulating module, air valve module and pressure relief module, the air inlet module is connected with the pressure regulating module, the pressure regulating module is connected with the air valve module, and the air valve module is connected with the pressure relief module and the nozzle respectively.

[0008] Preferably, the case includes left cabinet, right cabinet, rear cabinet and bottom cabinet, and the left cabinet, the right cabinet, the rear cabinet and the bottom cabinet surround to form the print station.

[0009] Preferably, the left cabinet and right cabinet are provided with openings in the direction opposite to each other, the left cabinet and the right cabinet are provided with first drive assembly, the output end of the first drive assembly is connected with second drive assembly, the output end of the second drive assembly is connected with the print execution component, the first drive assembly drives the second drive assembly to move along first direction, and the second drive assembly drives the print execution component to move along second direction.

[0010] Preferably, the first driving assembly comprises a first left sliding rail, a first right sliding rail, a first left sliding block slidably arranged on the first left sliding rail, a first right sliding block arranged on the first right sliding rail, a first left driving motor arranged at one end of the first left sliding rail, a first left screw rod arranged at the output end of the first left driving motor, a first left threaded sleeve threadedly connected to the first left screw rod, the first left threaded sleeve being connected to the first left sliding block, a first right driving motor arranged at one end of the first right sliding rail, a first right screw rod arranged at the output end of the first right driving motor, a first right threaded sleeve threadedly connected to the first right screw rod, the first right threaded sleeve being connected to the first right sliding block.

[0011] Preferably, the second driving assembly comprises a second sliding rail, a second sliding block slidably arranged on the second sliding rail, the first left threaded sleeve and the first right threaded sleeve being connected to the two sides of the second sliding rail, a second driving motor arranged on the first left threaded sleeve or the first right threaded sleeve, a second screw rod arranged at the output end of the second driving motor, a second threaded sleeve sleeved on the second screw rod, the second threaded sleeve being connected to the second sliding block, and the printing execution assembly being connected to the second sliding block.

[0012] Preferably, the rear box body is provided with an opening, the rear box body is provided with a third driving assembly, and the output end of the third driving assembly is provided with a platform support frame.

[0013] Preferably, the third driving assembly comprises a third bottom plate and a third top plate, two groups of third guide rods are arranged between the third top plate and the third bottom plate, a third screw rod is further arranged between the third top plate and the third bottom plate, a third driving motor is arranged on the third top plate or the third bottom plate, the output end of the third driving motor is connected to the third screw rod, a third sliding plate is further sleeved on the third guide rod and the third screw rod, the third sliding plate is connected to the platform support frame, the third sliding plate is threadedly connected to the third screw rod, and the third sliding plate is slidably connected to the third guide rod.

[0014] Preferably, the printing execution assembly comprises a first connecting plate, the output end of the second driving assembly is connected to the first connecting plate, a driving air cylinder is arranged at the top of the first connecting plate, an installation frame is arranged at the output end of the driving air cylinder, a discharge bin is arranged on the installation frame, the bottom of the discharge bin is connected to the nozzle, and the discharge bin is connected to the gas valve module.

[0015] Preferably, a fourth sliding rail is arranged on the installation frame, a fourth sliding block is arranged on the first connecting plate, and the fourth sliding block is slidably arranged on the fourth sliding rail.

[0016] The utility model discloses beneficial effects are:

[0017] The utility model provides a kind of pneumatic 3D printer, and printing execution component is cooperated with printing platform, realizes the movement printing of three axial, simultaneously, compressed air is pushed by pneumatic assembly to material from feed bin to nozzle delivery, to be sprayed from nozzle, it can be accurate control, while applicable material is more. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical scheme in the utility model embodiment, the drawings needed to be used in the description of the utility model embodiment will be simply introduced as follows, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can be obtained according to the contents of the utility model embodiment and these drawings without creative labor.

[0019] Fig. 1 To provide a kind of structure schematic view of pneumatic 3D printer for the utility model embodiment;

[0020] Fig. 2 To provide a kind of structure schematic view of first drive component, second drive component, third drive component and printing execution component of pneumatic 3D printer for the utility model embodiment;

[0021] Fig. 3 To provide another visual structure schematic view of first drive component, second drive component, third drive component and printing execution component of pneumatic 3D printer for the utility model embodiment;

[0022] Fig. 4 To provide a kind of structure schematic view of printing execution component of pneumatic 3D printer for the utility model embodiment;

[0023] Fig. 5 To provide another visual structure schematic view of printing execution component of pneumatic 3D printer for the utility model embodiment;

[0024] Fig. 6 To provide a kind of structure schematic view of starting component of printing execution component of pneumatic 3D printer for the utility model embodiment.

[0025] In the drawing:

[0026] 1, case; 11, left box body; 12, right box body; 13, rear box body; 14, bottom box body; 15, printing station; 2, printing platform; 3, printing execution assembly; 31, feeding bin; 32, nozzle; 33, first connecting plate; 34, driving cylinder; 35, fourth slide rail; 36, mounting frame; 37, fourth sliding block; 38, discharging bin; 4, pneumatic assembly; 41, air inlet module; 42, pressure regulating module; 43, air valve module; 44, pressure relief module; 5, first driving assembly; 51, first left driving motor; 52, first left screw; 53, first left threaded sleeve; 54, first left sliding block; 55, first left slide rail; 56, first right driving motor; 57, first right screw; 58, first right threaded sleeve; 59, first right sliding block; 510, first right slide rail; 6, second driving assembly; 61, second driving motor; 62, second screw; 63, second threaded sleeve; 64, second sliding block; 65, second slide rail; 7, third driving assembly; 71, third top plate; 72, third bottom plate; 73, third guide rod; 74, third screw; 75, third driving motor; 76, third sliding plate. DETAILED DESCRIPTION

[0027] In order to make the technical problems solved by the present application, the technical scheme adopted and the technical effects achieved more clear, the technical scheme of the embodiments of the present application will be further described in detail below with reference to the drawings. Obviously, the described embodiments are only part of the embodiments of the present application, not all embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the present application.

[0028] In the description of the present application, unless otherwise explicitly specified and limited, the terms "connected", "connected", "fixed" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the internal communication of two elements or the interaction relationship between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0029] In the utility model, unless another definite provision and limitation, first feature is in second feature "on" or "under" can include that first and second features are in direct contact, also can include that first and second features are not in direct contact but contact through other feature between them. Moreover, first feature is in second feature "on", "above" and "upper surface" includes that first feature is in second feature directly above and obliquely above, or only indicates that first feature horizontal height is higher than second feature. First feature is in second feature "under", "below" and "under surface" includes that first feature is in second feature directly below and obliquely below, or only indicates that first feature horizontal height is less than second feature.

[0030] In the description of the embodiment, the terms "upper", "lower", "left", "right", etc. orientation or position relationship is based on the orientation or position relationship shown in the drawings, only for the convenience of description and simplification operation, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore cannot be understood as a limitation on the utility model. In addition, the terms "first", "second" are only used to distinguish in the description, and have no special meaning.

[0031] As shown in Figs. 1 to 6 The utility model discloses a pneumatic 3D printer, include: the printing station 15 is set up on its upper case 1, the case 1 includes left box body 11, right box body 12, rear box body 13 and bottom box body 14, left box body 11, right box body 12, rear box body 13 and bottom box body 14 surround and form the printing station 15, the printing platform 2 is set up on the printing station 15, the printing platform 2 is configured as can reciprocatingly move along the third direction, the printing execution component 3 is also set up on the printing station 15, the printing execution component 3 is configured as reciprocatingly moves along the first direction and the second direction respectively, wherein the first direction corresponds to X axle, the second direction corresponds to Y axle, the third direction corresponds to Z axle, the printing execution component 3 includes feed bin 31 and nozzle 32, the feed bin 31 transports printing material to the nozzle 32, pneumatic assembly 4 is set up in the case 1, and it includes air inlet module 41, pressure regulating module 42, gas valve module 43 and pressure relief module 44, the air inlet module 41 is connected with the pressure regulating module 42, the pressure regulating module 42 is connected with the gas valve module 43, the gas valve module 43 is connected with the pressure relief module 44 and the nozzle 32 respectively, the air inlet module 41 is connected with compressor (not shown in the drawing), and filter (not shown in the drawing) needs to be set up between the air inlet module 41 and the compressor, filters dust and other impurities in the air, the air inlet module 41 is connected to the pressure regulating module 42, the pressure regulating module 42 can control the pressure of pneumatic, the pressure regulating valve is connected to the gas valve module 43, the gas valve module 43 belongs to control switch, controls the opening or closing of airflow, and the pressure relief module 44 is used for releasing excess air pressure.

[0032] The utility model embodiment provides a kind of pneumatic 3D printer, and printing execution component 3 is cooperated with printing platform 2, realizes the movement printing of three axial, simultaneously, compressed air is pushed material from feed bin 31 to nozzle 32 by pneumatic assembly 4, to be exported from nozzle 32, it can be done to accurate control, and the material is many simultaneously applicable.

[0033] In some embodiments, as Figs. 1 to 3As shown, the left box body 11 and the right box body 12 are provided with openings in the direction facing each other, the left box body 11 and the right box body 12 are provided with a first driving assembly 5, the output end of the first driving assembly 5 is connected with a second driving assembly 6, the output end of the second driving assembly 6 is connected with the printing execution assembly 3, the first driving assembly 5 drives the second driving assembly 6 to move in a first direction, and the second driving assembly 6 drives the printing execution assembly 3 to move in a second direction. The first driving assembly 5 comprises a first left sliding rail 55, a first right sliding rail 510, the first left sliding rail 55 is provided with a first left sliding block 54 which slides thereon, the first right sliding rail 510 is provided with a first right sliding block 59, one end of the first left sliding rail 55 is provided with a first left driving motor 51, the output end of the first left driving motor 51 is provided with a first left screw rod 52, the other end of the first left screw rod 52 is connected with the inside of the left box body 11, the first left screw rod 52 is threadedly connected with a first left threaded sleeve 53, the first left threaded sleeve 53 is connected with the first left sliding block 54, one end of the first right sliding rail 510 is provided with a first right driving motor 56, the output end of the first right driving motor 56 is provided with a first right screw rod 57, the other end of the first right screw rod 57 is connected with the right box body 12, the first right screw rod 57 is threadedly connected with a first right threaded sleeve 58, and the first right threaded sleeve 58 is connected with the first right sliding block 59. Specifically, the first left driving motor 51 and the first right driving motor 56 are synchronous motors, the first left screw rod 52 and the first right screw rod 57 are driven to rotate by the first left driving motor 51 and the first right driving motor 56, so as to drive the first left sliding block 54 and the first right sliding block 59 to move synchronously in the first direction, and the second driving assembly 6 moves synchronously in the first direction. The second driving assembly 6 comprises a second sliding rail 65, the second sliding rail 65 is provided with a second sliding block 64 which slides thereon, the two sides of the second sliding rail 65 are respectively connected with the first left threaded sleeve 53 and the first right threaded sleeve 58, the first left threaded sleeve 53 or the first right threaded sleeve 58 is provided with a second driving motor 61, the output end of the second driving motor is provided with a second screw rod 62, the second screw rod 62 is sleeved with a second threaded sleeve 63, the second threaded sleeve 63 is connected with the second sliding block 64, and the printing execution assembly 3 is connected with the second sliding block 64. Specifically, in the embodiment, the second driving motor 61 is arranged on the first right threaded sleeve 58, the other end of the second screw rod 62 is connected with the first left threaded sleeve 53, the second sliding block 64 is driven to move in the second direction by the driving of the second driving motor 61 to drive the second screw rod 62 to rotate, so that the printing execution assembly 3 can move in the first direction and the second direction.

[0034] In some embodiments, as Figs. 1 to 3As shown, the rear box body 13 is provided with an opening, and a third driving assembly 7 is arranged in the rear box body 13, and the output end of the third driving assembly 7 is provided with a platform support frame which passes through the opening of the rear box body 13. The third driving assembly 7 comprises a third bottom plate 72 and a third top plate 71, two groups of third guide rods 73 are arranged between the third top plate 71 and the third bottom plate 72, a third lead screw 74 is further arranged between the third top plate 71 and the third bottom plate 72, a third driving motor 75 is arranged on the third top plate 71 or the third bottom plate 72, the output end of the third driving motor 75 is connected with the third lead screw 74, a third sliding plate 76 is further sleeved on the third guide rod 73 and the third lead screw 74, the third sliding plate 76 is connected with the platform support frame, the third sliding plate 76 is threadedly connected with the third lead screw 74, and the third sliding plate 76 is slidably connected with the third guide rod 73. Specifically, in the embodiment, the third driving motor 75 drives the third lead screw 74 to rotate, so that the third sliding plate 76 can move in a third direction, and the platform support frame is driven by the third sliding plate 76 to move in the third direction, thereby driving the printing platform 2 to move.

[0035] In some embodiments, as Figs. 1 to 5 As shown, the printing execution assembly 3 comprises a first connecting plate 33 connected with the output end of the second driving assembly 6, the top of the first connecting plate 33 is provided with a driving air cylinder 34, the output end of the driving air cylinder 34 is provided with a mounting frame 36, the mounting frame 36 is provided with a discharge bin 38, the bottom of the discharge bin 38 is connected with the nozzle 32, and the discharge bin 38 is connected with the air valve module 43. The mounting frame 36 is provided with a fourth sliding rail 35, and the first connecting plate 33 is provided with a fourth sliding block 37 which is slidably arranged on the fourth sliding rail 35. Specifically, in the embodiment, the driving air cylinder 34 drives the mounting frame 36 to move in a third direction, so that the discharge bin 38 and the nozzle 32 can move in the third direction, the pneumatic assembly 4 pushes the printing material out of the discharge bin 38 by compressed air, and finally the printing material is sprayed out of the nozzle 32.

[0036] It should be noted that the above only describes the preferred embodiments of the present application and the technical principles applied. Those skilled in the art will understand that the present application is not limited to the specific embodiments described herein, and those skilled in the art can make various obvious changes, readjustments and substitutions without departing from the protection scope of the present application. Therefore, although the present application has been described in detail through the above embodiments, the present application is not limited to the above embodiments, and more other equivalent embodiments can be included without departing from the concept of the present application, and the scope of the present application is determined by the appended claims.

Claims

1. A pneumatic 3D printer, characterized in that, include: A chassis (1) is provided with a printing station (15), and a printing platform (2) is provided on the printing station (15). The printing platform (2) is configured to reciprocate along a third direction. A printing execution component (3) is also provided on the printing station (15). The printing execution component (3) is configured to reciprocate along a first direction and a second direction respectively. The printing execution component (3) includes a feed bin (31) and a nozzle (32). The feed bin (31) feeds printing material to the nozzle (32). The pneumatic assembly (4) is located inside the chassis (1) and includes an air intake module (41), a pressure regulating module (42), an air valve module (43) and a pressure relief module (44). The air intake module (41) is connected to the pressure regulating module (42), the pressure regulating module (42) is connected to the air valve module (43), and the air valve module (43) is connected to the pressure relief module (44) and the nozzle (32) respectively.

2. A pneumatic 3D printer according to claim 1, characterized in that, The chassis (1) includes a left box (11), a right box (12), a rear box (13) and a bottom box (14), which together form the printing station (15).

3. A pneumatic 3D printer according to claim 2, characterized in that, The left housing (11) and the right housing (12) have openings facing each other. The left housing (11) and the right housing (12) are provided with a first drive assembly (5). The output end of the first drive assembly (5) is connected to a second drive assembly (6). The output end of the second drive assembly (6) is connected to the printing execution assembly (3). The first drive assembly (5) drives the second drive assembly (6) to move along a first direction. The second drive assembly (6) drives the printing execution assembly (3) to move along a second direction.

4. A pneumatic 3D printer according to claim 3, characterized in that, The first drive assembly (5) includes a first left slide rail (55) and a first right slide rail (510). A first left slider (54) is slidably disposed on the first left slide rail (55), and a first right slider (59) is disposed on the first right slide rail (510). A first left drive motor (51) is disposed at one end of the first left slide rail (55), and a first left lead screw (52) is disposed at the output end of the first left drive motor (51). A first left threaded sleeve (53) is threadedly connected to the first left lead screw (52), and the first left threaded sleeve (53) is connected to the first left slider (54). A first right drive motor (56) is disposed at one end of the first right slide rail (510), and a first right lead screw (57) is disposed at the output end of the first right drive motor (56). A first right threaded sleeve (58) is threadedly connected to the first right lead screw (57), and the first right threaded sleeve (58) is connected to the first right slider (59).

5. A pneumatic 3D printer according to claim 4, characterized in that, The second drive assembly (6) includes a second slide rail (65), on which a second slider (64) is slidably disposed. The two sides of the second slide rail (65) are respectively connected to the first left threaded sleeve (53) and the first right threaded sleeve (58). A second drive motor (61) is disposed on the first left threaded sleeve (53) or the first right threaded sleeve (58). A second lead screw (62) is disposed at the output end of the second drive motor. A second threaded sleeve (63) is sleeved on the second lead screw (62). The second threaded sleeve (63) is connected to the second slider (64). The printing execution assembly (3) is connected to the second slider (64).

6. A pneumatic 3D printer according to claim 2, characterized in that, An opening is provided on the rear housing (13), and a third drive assembly (7) is provided inside the rear housing (13). A platform support frame is provided at the output end of the third drive assembly (7), and the platform support frame passes through the opening of the rear housing (13).

7. A pneumatic 3D printer according to claim 6, characterized in that, The third drive assembly (7) includes a third base plate (72) and a third top plate (71). Two sets of third guide rods (73) are provided between the third top plate (71) and the third base plate (72). A third lead screw (74) is also provided between the third top plate (71) and the third base plate (72). A third drive motor (75) is provided on the third top plate (71) or the third base plate (72). The output end of the third drive motor (75) is connected to the third lead screw (74). A third sliding plate (76) is also sleeved on the third guide rod (73) and the third lead screw (74). The third sliding plate (76) is connected to the platform support frame. The third sliding plate (76) is threadedly connected to the third lead screw (74). The third sliding plate (76) is slidably connected to the third guide rod (73).

8. A pneumatic 3D printer according to any one of claims 3 to 5, characterized in that, The printing execution component (3) includes a first connecting plate (33), which is connected to the output end of the second drive component (6). A drive cylinder (34) is provided on the top of the first connecting plate (33), and a mounting bracket (36) is provided on the output end of the drive cylinder (34). A discharge chamber (38) is provided on the mounting bracket (36), and the bottom of the discharge chamber (38) is connected to the nozzle (32). The discharge chamber (38) is connected to the air valve module (43).

9. A pneumatic 3D printer according to claim 8, characterized in that, The mounting bracket (36) is provided with a fourth slide rail (35), and the first connecting plate (33) is provided with a fourth slider (37), which is slidably disposed on the fourth slide rail (35).