Building 3D printer
By designing a 3D printer for construction, using multiple fixed structures and precisely controlled casting port moving mechanisms, the difficulty and cost of using formwork and scaffolding in existing building construction is solved, and efficient and accurate printing of the wall is achieved.
Patent Information
- Application Number
- CN202421930831.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-11
- Publication Date
- 2025-06-27
- Estimated Expiration
- 2034-08-11
AI Technical Summary
An existing building construction requires a large number of formwork and scaffolding, which increases the construction difficulty and cost, and the construction of walls and other structures takes a long time, affecting the progress of the project.
A building 3D printer is designed, using multiple fixed structures and precisely controlled casting port movement mechanism to achieve accurate three-dimensional space movement of the feed pipe outlet and ensure the accuracy and quality of wall printing.
It improves the stability and safety of the equipment, shortens construction time, reduces costs, and achieves efficient and accurate printing of the wall.
Smart Images
Figure CN223029942U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of construction, and specifically relates to a 3D printer for buildings. Background Art
[0002] With the continuous development of 3D printing technology, remarkable progress has been made in aspects such as materials science, mechanical control, and software algorithms, providing technical support for the application in the construction industry. 3D printing technology has expanded from the initial prototype manufacturing to multiple fields such as construction, medical, and aerospace, demonstrating its broad application prospects. 3D printing technology can achieve highly customized production, meet personalized needs, and bring new design concepts and construction methods to the construction industry.
[0003] Currently, a large number of templates and scaffolds are required in building construction, increasing the construction difficulty and cost. During the building construction process, the construction of structures such as walls often takes a long time, affecting the overall project progress, and requires a large amount of manpower, material resources, and financial resources, increasing the building cost. Content of the Utility Model
[0004] In order to overcome the above deficiencies, the utility model provides a 3D printer for buildings.
[0005] The technical solution adopted by the utility model is as follows:
[0006] A 3D printer for buildings, comprising a track. Two tracks are slidably engaged with the bottom of a support frame. The support frame includes two crossbars, two vertical rods, and two sleeves. The two crossbars are respectively fixed to the upper ends of the two sleeves. The two vertical rods are respectively fixedly connected perpendicularly to the right side walls of the left sleeves. The upper parts of the two vertical rods are fixedly connected to one end of a tripod. The two ends of a first slide rail are respectively fixedly connected to the middle of the tripod and a support plate. The two ends of the support plate are respectively fixedly connected to the two crossbars. On the right side of the first slide rail, there is a lead screw. The top end of the lead screw is rotatably connected to the top of the tripod, and the bottom end of the lead screw is rotatably connected to the upper part of a fixing plate. The two ends of the fixing plate are respectively fixedly connected to the two crossbars. A ball nut is sleeved on the outer wall of the lead screw. The ball nut is in threaded cooperation with the lead screw. The upper outer wall of the ball nut is fixedly connected to a movable seat. The two ends of a vertical plate are respectively fixedly connected to the outer wall of the movable seat and the upper part of the ball nut. The movable seat sleeves the lead screw and is in threaded cooperation with the lead screw. The ball nut is fixedly sleeved on the right end of a connecting plate. Tooth rings are fixedly sleeved on the top and bottom of the outer wall of the ball nut. On the front and rear sides of the left side wall of the connecting plate, there are respectively rotatably connected a first pulley. The two first pulleys are respectively located on the front and rear sides of the first slide rail. The first slide rail is in the shape of an I-beam. The two first pulleys are respectively in sliding and clamping cooperation with the two sides of the first slide rail. A first motor is fixedly installed on the top of the connecting plate. The bottom end of the output shaft of the first motor is fixedly connected to a first gear. In the middle of the top of the connecting plate, there is a rotatably connected a second gear. The second gear is located between the first gear and the tooth ring. The second gear is respectively meshed with the first gear and the tooth ring. A pouring port moving mechanism is fixedly connected to the right side wall of the movable seat;
[0007] The pouring port moving mechanism includes two second slide rails. The left ends of the second slide rails are perpendicularly fixedly connected to the right side wall of the vertical plate. Between the right ends of the two second slide rails, there is fixedly connected an end plate. Between the top ends of the left ends of the two second slide rails, there is fixedly connected a fixing frame. A second motor is fixedly installed on the inner wall of the fixing frame. The front end of the output shaft of the second motor is fixedly connected to a third gear. Between the left opposite side walls of the two second slide rails, there is rotatably connected a first rotating shaft. The front end of the first rotating shaft penetrates through the second slide rail and is fixedly connected to a fourth gear. The third gear is meshed with the fourth gear. Synchronous wheels are fixedly connected to the outer walls of both ends of the first rotating shaft. Between the right opposite side walls of the two second slide rails, there is rotatably connected a second rotating shaft. Synchronous wheels are fixedly connected to the outer walls of both ends of the second rotating shaft. A synchronous belt is sleeved between the outer walls of the corresponding first synchronous wheel and the second synchronous wheel. Between the tops of the two synchronous belts, there is fixedly connected a blanking table. The rear side wall of the rear second slide rail is fixedly connected to a mounting plate. The rear side wall of the mounting plate is fixedly connected to a material conveying pipe. The left end of the material conveying pipe extends towards the rear side of the support frame. The right end of the material conveying pipe extends to the right and penetrates through the top of the blanking table and is located below the blanking table.
[0008] Moving frames are respectively fixedly connected to the outer walls on both sides of the blanking table. The moving frames are in the shape of a T. At the top and bottom ends of each moving frame, there are respectively rotatably connected second pulleys. The front and rear second pulleys are respectively in sliding and clamping cooperation with the two second slide rails.
[0009] On the outer sides of the front and rear side walls of the movable seat, a cage is fixedly connected respectively. At both the front and rear ends of the end plate, steel cables are fixedly connected. The other ends of the two steel cables respectively extend to the front and rear ends of the top of the cage, and a hook is fixedly connected to the other end of each steel cable. The two hooks are respectively hung on the front and rear ends of the top of the cage.
[0010] Advantages of the utility model:
[0011] The utility model adopts multiple fixing structures, including the sliding fit of the first slide rail and the first pulley, the support of the movable seat, the traction and fixation of the cage and the steel cable, etc., making the whole device more stable during the working process, improving safety and durability. Through the precise control of the first motor and the second motor, the three-dimensional precise movement of the discharge port of the feeding pipe is realized, ensuring the precision and quality of wall printing. Description of the drawings
[0012] Figure 1 It is the structural schematic diagram of the utility model rotated 90 degrees clockwise;
[0013] Figure 2 is Figure 1 It is the structural schematic diagram of the rear side view rotated 90 degrees clockwise;
[0014] Figure 3 is Figure 1 It is the partial structural sectional view rotated 90 degrees clockwise;
[0015] Figure 4 is Figure 3 The enlarged view at A in [the figure];
[0016] Figure 5 It is the structural schematic diagram of the pouring port moving mechanism with the second slide rail removed, rotated 90 degrees clockwise;
[0017] Figure 6 It is the structural schematic diagram of the pouring port moving mechanism rotated 90 degrees clockwise.
[0018] In all the drawings, the specific reference numerals are as follows: 1, track; 2, support frame; 3, first slide rail; 4, lead screw; 5, movable seat; 6, connecting plate; 7, ball nut; 8, gear ring; 9, first pulley; 10, first motor; 11, first gear; 12, second gear; 13, second slide rail; 14, end plate; 15, fixed frame; 16, second motor; 17, third gear; 18, first rotating shaft; 19, fourth gear; 20, first synchronous pulley; 21, second rotating shaft; 22, second synchronous pulley; 23, synchronous belt; 24, moving frame; 25, second pulley; 26, blanking table; 27, cage; 28, steel cable; 29, hook; 30, mounting plate; 31, feeding pipe; 32, cross bar; 33, vertical rod; 34, sleeve; 35, support plate; 36, tripod; 37, fixing plate; 39, vertical plate. Detailed implementation manners
[0019] As shown in Figures 1-6 the figure: A building 3D printer includes a track 1. The two tracks 1 are slidably fitted with the bottom of the support frame 2. The support frame 2 includes two cross bars 32, two vertical bars 33 and two sleeves 34. The two cross bars 32 are respectively fixed at the upper ends of the two sleeves 34. The two vertical bars 33 are respectively vertically and fixedly connected to the right side walls of the left sleeves 34. The upper parts of the two vertical bars 33 are fixedly connected to one end of a triangular frame 36. The two ends of a first slide rail 3 are respectively fixedly connected to the middle parts of the triangular frame 36 and a support plate 35. The two ends of the support plate 35 are respectively fixedly connected to the two cross bars 32. A lead screw 4 is provided on the right side of the first slide rail 3. The top end of the lead screw 4 is rotatably connected to the top of the triangular frame 36. The bottom end of the lead screw 4 is rotatably connected to the upper part of a fixing plate 37. The two ends of the fixing plate 37 are respectively fixedly connected to the two cross bars 32. A ball nut 7 is sleeved on the outer wall of the lead screw 4. The ball nut 7 is in threaded cooperation with the lead screw 4. The upper outer wall of the ball nut 7 is fixedly connected to a movable seat 5. The two ends of a vertical plate 39 are respectively fixedly connected to the outer wall of the movable seat 5 and the upper part of the ball nut 7. The movable seat 5 sleeves the lead screw 4. The movable seat 5 is in threaded cooperation with the lead screw 4. The ball nut 7 is fixedly sleeved with the right end of a connecting plate 6. Tooth rings 8 are fixedly sleeved on the top and bottom of the outer wall of the ball nut 7. The front and rear sides of the left side wall of the connecting plate 6 are respectively rotatably connected with a first pulley 9. The two first pulleys 9 are respectively located on the front and rear sides of the first slide rail 3. The first slide rail 3 is in the shape of an I-beam. The two first pulleys 9 are respectively in sliding and clamping cooperation with the two sides of the first slide rail 3. A first motor 10 is fixedly installed on the top of the connecting plate 6. The bottom end of the output shaft of the first motor 10 is fixedly connected to a first gear 11. The middle part of the top of the connecting plate 6 is rotatably connected with a second gear 12. The second gear 12 is located between the first gear 11 and the tooth ring 8. The second gear 12 is respectively meshed with the first gear 11 and the tooth ring 8. A pouring port moving mechanism is fixedly connected to the right side wall of the movable seat 5;
[0020] The pouring port moving mechanism includes two second slide rails 13. The left ends of the second slide rails 13 are vertically and fixedly connected to the right side wall of the vertical plate 39. A end plate 14 is fixedly connected between the right ends of the two second slide rails 13. A fixing frame 15 is fixedly connected between the tops of the left ends of the two second slide rails 13. A second motor 16 is fixedly installed on the inner wall of the fixing frame 15. The front end of the output shaft of the second motor 16 is fixedly connected to a third gear 17. A first rotating shaft 18 is rotatably connected between the left ends of the opposite side walls of the two second slide rails 13. The front end of the first rotating shaft 18 penetrates through the second slide rail 13 and is fixedly connected to a fourth gear 19. The third gear 17 meshes with the fourth gear 19. Synchronous pulleys one 20 are fixedly connected to the outer walls at both ends of the first rotating shaft 18. A second rotating shaft 21 is rotatably connected between the right ends of the opposite side walls of the two second slide rails 13. Synchronous pulleys two 22 are fixedly connected to the outer walls at both ends of the second rotating shaft 21. A synchronous belt 23 is sleeved between the outer walls of the correspondingly left and right synchronous pulleys one 20 and synchronous pulleys two 22. A blanking table 26 is fixedly connected between the tops of the two synchronous belts 23. A mounting plate 30 is fixedly connected to the rear side wall of the rear second slide rail 13. A material conveying pipe 31 is fixedly connected to the rear side wall of the mounting plate 30. The left end of the material conveying pipe 31 extends to the rear side of the support frame 2. The right end of the material conveying pipe 31 extends rightward and penetrates through the top of the blanking table 26 and is located below the blanking table 26.
[0021] Moving frames 24 are respectively fixedly connected to the outer side walls on both sides of the blanking table 26. The moving frames 24 are T-shaped. Pulley two 25 are respectively rotatably connected to the two ends at the top and the bottom of each moving frame 24. The front and rear pulley two 25 are respectively in sliding and clamping fit with the two second slide rails 13.
[0022] Retaining frames 27 are respectively fixedly connected to the outer sides of the front and rear side walls of the movable seat 5. Steel cables 28 are fixedly connected to both the front and rear ends of the end plate 14. The other ends of the two steel cables 28 respectively extend to the front and rear ends at the top of the retaining frame 27. A hook 29 is fixedly connected to the other end of the steel cable 28. The two hooks 29 are respectively hung on the front and rear ends at the top of the retaining frame 27.
[0023] First, connect a cement pump to the left end of the material conveying pipe 31. After starting the cement pump, the cement pump continuously pumps cement materials into the material conveying pipe 31. The cement materials flow along the material conveying pipe 31 until they reach the discharge port at the right end of the material conveying pipe 31, preparing for wall printing operations.
[0024] The first motor 10 is started to drive the first gear 11 to rotate. The first gear 11 drives the toothed ring 8 to rotate through the meshing second gear 12. Since the toothed ring 8 is fixedly connected to the ball nut 7, the ball nut 7 moves up and down along the lead screw 4. The movement of the ball nut 7 drives the movable seat 5 and the pouring port moving mechanism thereon to move up and down as a whole, thereby controlling the vertical position of the discharge port at the right end of the material conveying pipe 31.
[0025] The second motor 16 starts, driving the third gear 17 to rotate. The third gear 17 meshes with the fourth gear 19, driving the first rotating shaft 18 to rotate. The first synchronous pulley 20 on the first rotating shaft 18 rotates accordingly, driving the second synchronous pulley 22 and the second rotating shaft 21 on the other side to rotate through the synchronous belt 23, realizing the left and right movement of the synchronous belt 23. The movement of the synchronous belt 23 drives the blanking table 26 to move left and right, thereby controlling the horizontal position of the discharge port at the right end of the material conveying pipe 31.
[0026] With the coordinated operation of the first motor 10 and the second motor 16, the discharge port at the right end of the material conveying pipe 31 can accurately move in three-dimensional space to control the outflow position of the cement material. After the cement material flows out from the discharge port, it is printed layer by layer according to the preset wall shape and structure until the construction of the entire wall is completed. The present utility model only protects the mechanical part, and the functions realized through the software control part related thereto are not within the protection scope of the present utility model.
Claims
1. A building 3D printer, characterized in that: The invention comprises a track (1), wherein the two tracks (1) are slidably matched with the bottom of a support frame (2), and the support frame (2) comprises two cross bars (32), two vertical bars (33) and two sleeves (34), wherein the two cross bars (32) are respectively fixed at the two ends of the upper part of the two sleeves (34), and the two vertical bars (33) are respectively vertically fixedly connected to the right side wall of the left sleeve (34), and the upper part of the two vertical bars (33) is fixedly connected to one end of a tripod (36), and the two ends of the slide rail (3) are respectively connected to the middle of the tripod (36) and the support plate (35). The two ends of the support plate (35) are respectively fixedly connected to the two cross bars (32). The right side of the slide rail (3) is provided with a screw rod (4). The top end of the screw rod (4) is rotatably connected to the top of the tripod (36). The bottom end of the screw rod (4) is rotatably connected to the upper part of the fixed plate (37). The two ends of the fixed plate (37) are respectively fixedly connected to the two cross bars (32). The outer wall of the screw rod (4) is sleeved with a ball nut (7). The ball nut (7) is threadedly matched with the screw rod (4). The upper outer wall of the ball nut (7) is fixedly connected to the movable seat. (5), the two ends of the vertical plate (39) are respectively fixedly connected with the outer wall of the movable seat (5) and the upper part of the ball nut (7), the movable seat (5) is sleeved with the screw rod (4), the movable seat (5) and the screw rod (4) are threadedly matched, the ball nut (7) is fixedly sleeved with the right end of the connecting plate (6), the top and bottom of the outer wall of the ball nut (7) are fixedly sleeved with the gear ring (8), the front and rear sides of the left side wall of the connecting plate (6) are rotatably connected with a pulley one (9), the two pulleys one (9) are respectively located on the front and rear sides of the slide rail one (3), and the slide rail one (3) is an I-shaped The connecting plate (6) is in the shape of steel, two pulleys (9) are respectively slidably engaged with the two sides of the slide rail (3), a motor (10) is fixedly installed on the top of the connecting plate (6), a gear (11) is fixedly connected to the bottom end of the output shaft of the motor (10), a gear (12) is rotatably connected to the middle of the top of the connecting plate (6), the gear (12) is located between the gear (11) and the gear ring (8), and the gear (12) is respectively meshed with the gear (11) and the gear ring (8), and a pouring port moving mechanism is fixedly connected to the right side wall of the movable seat (5); The pouring port moving mechanism comprises two slide rails (13), the left end of the slide rails (13) is vertically fixedly connected to the right side wall of the vertical plate (39), an end plate (14) is fixedly connected between the right ends of the two slide rails (13), a fixing frame (15) is fixedly connected between the tops of the left ends of the two slide rails (13), a motor (16) is fixedly installed on the inner wall of the fixing frame (15), a front end of the output shaft of the motor (16) is fixedly connected to a gear (17), a rotating shaft (18) is rotatably connected between the left ends of the opposite side walls of the two slide rails (13), the front end of the rotating shaft (18) passes through the slide rails (13) and is fixedly connected to a gear (19), the gear (17) is meshed with the gear (19), and the outer walls of both ends of the rotating shaft (18) are fixedly connected. A synchronous wheel (20) is connected, a rotating shaft (21) is rotatably connected between the right ends of the opposite side walls of the two slide rails (13), the outer walls of both ends of the rotating shaft (21) are fixedly connected with synchronous wheels (22), a synchronous belt (23) is sleeved between the outer walls of the left and right corresponding synchronous wheels (20) and synchronous wheels (22), a feeding platform (26) is fixedly connected between the tops of the two synchronous belts (23), a rear side wall of the rear slide rail (13) is fixedly connected with a mounting plate (30), a rear side wall of the mounting plate (30) is fixedly connected with a feeding pipe (31), the left end of the feeding pipe (31) extends toward the rear side of the support frame (2), and the right end of the feeding pipe (31) extends to the right and passes through the top of the feeding platform (26) and is located below the feeding platform (26).
2. A building 3D printer according to claim 1, characterized in that: The outer walls on both sides of the unloading platform (26) are respectively fixedly connected to the moving frames (24), and the moving frames (24) are T-shaped. The top ends and the bottom of each moving frame (24) are respectively rotatably connected to the pulleys (25), and the pulleys (25) on the front and rear sides are respectively slidably engaged with the two slide rails (13).
3. A building 3D printer according to claim 1, characterized in that: The outer sides of the front and rear side walls of the movable seat (5) are respectively fixedly connected to a retaining frame (27), and the front and rear ends of the end plate (14) are both fixedly connected to steel cables (28), the other ends of the two steel cables (28) respectively extend to the front and rear ends of the top of the retaining frame (27), and the other ends of the steel cables (28) are fixedly connected to hooks (29), and the two hooks (29) are respectively hung on the front and rear ends of the top of the retaining frame (27).