3D printing concrete material conveying equipment with stirring structure
The device addresses material segregation in 3D concrete printing by using a screw conveyor and movable pressure plate to continuously mix and distribute concrete, ensuring uniformity and ease of cleaning.
Patent Information
- Application Number
- CN202422229372.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-11
- Publication Date
- 2025-07-15
- Estimated Expiration
- 2034-09-11
AI Technical Summary
During the 3D printing of concrete, the long-term static storage of concrete materials in the concentrated box leads to differences between the upper and lower areas, affecting normal work.
A 3D printed concrete material transmission device with a stirring structure is designed. By setting an extrusion plate and a screw conveying blade in the concentrated box, the extrusion plate is driven by a cylinder to perform extrusion movement during the concrete transmission process, preventing static storage and combining with the limit structure for easy cleaning.
It effectively prevents static storage of concrete in the concentrated box, ensures uniform transmission of concrete, avoids regional differences, and facilitates cleaning.
Smart Images
Figure CN223104149U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of 3D printing concrete, in particular to a 3D printing concrete material transmission device with a stirring structure. Background Technique
[0002] 3D printing construction is a new technology that uses industrial robots to repeatedly lay material layers layer by layer to construct free-form building structures. This process principle is called additive manufacturing, and a finished product is finally formed through layer-by-layer accumulation.
[0003] At present, during the operation of 3D printing concrete, personnel will pour the mixed concrete materials into the central box. Then, through the spiral conveyor blades arranged at the bottom of the central box, the concrete materials can be transported and, at the same time, the concrete materials can be stirred again. However, because a large amount of concrete materials are in the central box, the concrete will be in a static state in the central box for a short time, resulting in differences between the upper and lower regions of the concrete, which affects the normal input of the concrete. For this reason, we propose a 3D printing concrete material transmission device with a stirring structure to solve the above problems. Content of the Utility Model
[0004] The purpose of the utility model is to provide a 3D printing concrete material transmission device with a stirring structure to solve the problems raised in the above background technique.
[0005] To achieve the above purpose, the utility model provides the following technical solution: A 3D printing concrete material transmission device with a stirring structure includes a central box. The bottom end of the central box is fixedly connected with a U-shaped box. A spiral conveyor blade is rotatably connected inside the U-shaped box. The spiral conveyor blade can be connected to an external driving motor. The spiral conveyor blade is located directly below the central box. A cylinder is fixedly installed on the outside of the central box. The telescopic end of the cylinder is inserted into the inside of a shaft sleeve. The telescopic end of the cylinder and the shaft sleeve are fixedly connected by a first bolt. The shaft sleeve is fixedly installed on the outside of an extrusion plate. Through holes are arranged on the outside of the extrusion plate. Slide holes are arranged on the extrusion plate. Guide columns are inserted into the slide holes. The guide columns are fixedly installed on the outside of a side panel. The side panel is inserted into the inside of the central box. The side panel is fixedly arranged inside the central box through a limiting structure.
[0006] As a further preferred solution of this technical solution, there are two groups of the extrusion plates. The two groups of extrusion plates are symmetrically distributed on the outside of the guide columns. The through holes are arranged at equal distances on the outside of the extrusion plates.
[0007] As a further preference of the technical solution, the inner wall of the sliding hole abuts against the outer side of the guiding column, and the sliding hole and the guiding column are slidably connected. The outer side of the extrusion plate abuts against the inner wall of the centralized box.
[0008] As a further preference of the technical solution, the limiting structure includes an arc-shaped plate, which is fixedly installed on the outer side of the side panel. The arc-shaped plate is inserted into the arc-shaped groove, and the arc-shaped groove is opened on the inner wall of the centralized box. The centralized box and the guiding column are fixedly connected by a second bolt, and a U-shaped hole is opened on the side panel.
[0009] As a further preference of the technical solution, the length of the arc-shaped plate is greater than the length of the side panel, and the bottom edge of the arc-shaped plate is inclined.
[0010] As a further preference of the technical solution, a T-shaped groove is opened on the outer side of the extrusion plate, and a T-shaped block is inserted into the T-shaped groove. The top of the T-shaped block is fixedly installed with a handle, and the handle is located above the extrusion plate.
[0011] As a further preference of the technical solution, the T-shaped block fits into the T-shaped groove, and the handle is U-shaped.
[0012] The utility model provides a D-printing concrete material conveying device with a stirring structure, which has the following beneficial effects:
[0013] In the utility model, an extrusion plate is arranged inside the centralized box and above the U-shaped box. During the process of the spiral conveyor blade transporting and stirring the concrete, the telescopic rod on the cylinder can push the extrusion plate to move. Thus, the extrusion plate can extrude the concrete inside the centralized box, so that the concrete can pass through the perforation and be located at one side of the extrusion plate. In this way, the extrusion plate reciprocates back and forth, so that the concrete can move inside the centralized box, thereby continuously pushing the positions of the concrete.
[0014] In the utility model, by setting a limiting structure, when the concrete does not need to be transported, as the second bolt releases the fixed connection between the guiding column and the centralized box, the extrusion plate, the guiding column and the side panel can be taken out from the inside of the centralized box. Thus, the extrusion plate can be disassembled from the outer side of the guiding column, so as to facilitate the cleaning work of the residual concrete on the inner part of the centralized box and the outer side of the extrusion plate by the personnel.
[0015] In the utility model, through the cooperation of the T-shaped groove, the T-shaped block and the handle, when the personnel need to take out the extrusion plate from the inside of the centralized box, the T-shaped block can be inserted into the T-shaped groove. Thus, it is convenient for the personnel to tightly hold the outer side of the handle and lift the extrusion plate upward. Description of the Drawings
[0016] Figure 1 It is a top view schematic diagram of the structure of the present utility model;
[0017] Figure 2 It is a front view sectional schematic diagram of the structure of the present utility model;
[0018] Figure 3 It is a right view schematic diagram of the structure of the extrusion plate of the present utility model;
[0019] Figure 4 It is a top view schematic diagram of the structure in the separated state of the side panel of the present utility model.
[0020] In the figure: 1. Centralized box; 2. U-shaped box; 3. Screw conveyor blade; 4. Cylinder; 5. Bush; 6. Bolt 1; 7. Extrusion plate; 8. Perforation; 9. Slide hole; 10. Guide post; 11. Side panel; 12. Arc plate; 13. Arc groove; 14. Bolt 2; 15. U-shaped hole; 16. T-shaped groove; 17. T-shaped block; 18. Handle. Specific embodiments
[0021] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model.
[0022] The present utility model provides a technical solution: As Figure 1 、 Figure 2 and Figure 3As shown in the figure, in this embodiment, a 3D printing concrete material transmission device with a stirring structure includes a centralized box 1. A U-shaped box 2 is fixedly connected to the bottom end of the centralized box 1. A spiral conveyor blade 3 is rotatably connected inside the U-shaped box 2. The spiral conveyor blade 3 can be connected to an external driving motor. The spiral conveyor blade 3 is located directly below the centralized box 1. A cylinder 4 is fixedly installed on the outside of the centralized box 1. The telescopic end of the cylinder 4 is inserted into the inside of a bushing 5. The telescopic end of the cylinder 4 and the bushing 5 are fixedly connected by a bolt 6. The bushing 5 is fixedly installed on the outside of a pressing plate 7. A perforation 8 is formed on the outside of the pressing plate 7. A sliding hole 9 is formed on the pressing plate 7. A guiding column 10 is inserted into the sliding hole 9. The guiding column 10 is fixedly installed on the outside of a side panel 11. The side panel 11 is inserted into the inside of the centralized box 1. The side panel 11 is fixedly arranged inside the centralized box 1 through a limiting structure. By arranging the pressing plate 7 inside the centralized box 1 and above the U-shaped box 2, during the process of the spiral conveyor blade 3 transporting and stirring the concrete, the telescopic rod of the cylinder 4 can push the pressing plate 7 to move. Thus, the pressing plate 7 can extrude the concrete inside the centralized box 1, enabling the concrete to pass through the perforation 8 and be located on one side of the pressing plate 7. In this way, as the pressing plate 7 reciprocates back and forth, the concrete can move within the centralized box 1, thereby continuously pushing the positions of the concrete. Two groups of the pressing plates 7 are provided. The two groups of the pressing plates 7 are symmetrically distributed on the outside of the guiding column 10. The perforations 8 are equidistantly arranged on the outside of the pressing plate 7. By arranging two groups of the pressing plates 7, the concrete material can be effectively extruded and pushed simultaneously. The inner wall of the sliding hole 9 abuts against the outside of the guiding column 10. The sliding hole 9 and the guiding column 10 are slidably connected. The outside of the pressing plate 7 abuts against the inner wall of the centralized box 1, which helps the pressing plate 7 to slide inside the centralized box 1.
[0023] As Figure 3 and Figure 4As shown, the limiting structure includes an arc-shaped plate 12, which is fixedly installed on the outer side of the side panel 11. The arc-shaped plate 12 is inserted into the arc-shaped groove 13, and the arc-shaped groove 13 is opened on the inner wall of the centralized box 1. The centralized box 1 and the guide post 10 are fixedly connected by a second bolt 14. A U-shaped hole 15 is opened on the side panel 11. By providing the limiting structure, when there is no need to conduct concrete conveying operations, as the fixed connection between the guide post 10 and the centralized box 1 is released by the second bolt 14, the extrusion plate 7, the guide post 10, and the side panel 11 can be taken out from the inside of the centralized box 1. Thus, the extrusion plate 7 can be disassembled from the outer side of the guide post 10, facilitating the cleaning of the concrete residues on the inside of the centralized box 1 and the outer side of the extrusion plate 7. The length of the arc-shaped plate 12 is greater than the length of the side panel 11, and the bottom edge of the arc-shaped plate 12 is inclined, facilitating the smooth insertion of the arc-shaped plate 12 into the arc-shaped groove 13.
[0024] As Figure 3 As shown, a T-shaped groove 16 is opened on the outer side of the extrusion plate 7, and a T-shaped block 17 is inserted into the T-shaped groove 16. A handle 18 is fixedly installed at the top of the T-shaped block 17, and the handle 18 is located above the extrusion plate 7. The T-shaped block 17 fits into the T-shaped groove 16. The handle 18 is U-shaped. By providing the cooperation among the T-shaped groove 16, the T-shaped block 17, and the handle 18, when personnel need to take out the extrusion plate 7 from the inside of the centralized box 1, the T-shaped block 17 can be inserted into the T-shaped groove 16, facilitating the personnel to tightly hold the outer side of the handle 18 and lift the extrusion plate 7 upward.
[0025] The present utility model provides a 3D printing concrete material transmission device with a stirring structure, and the specific working principle is as follows:
[0026] During the use of the device, the T-shaped groove 16 is inserted into the inside of the T-shaped block 17. Then, the sliding hole 9 formed in the pressing plate 7 is sleeved on the outer side of the guiding column 10. Subsequently, the user tightly holds the outer side of the handle 18 with their hand, and places the pressing plate 7 and the side panel 11 inside the centralized box 1. During this period, the arc-shaped plate 12 is inserted into the arc-shaped groove 13 and slides down. When the arc-shaped plate 12 is completely fitted into the arc-shaped groove 13, the fixing connection between the centralized box 1 and the guiding column 10 can be carried out through the second bolt 14. After that, the pressing plate 7 is pushed, so that the bushing 5 can be sleeved on the outer side of the telescopic rod of the cylinder 4, and then it can be fixedly connected through the first bolt 6. Then, the well-mixed concrete falls into the inside of the centralized box 1 and the U-shaped box 2, and the spiral conveying blade 3 can be rotated to stir and convey the concrete. During this period, the driving cylinder 4 works, so that the telescopic rod of the cylinder 4 can push the pressing plate 7 to move. Thus, the pressing plate 7 can extrude the concrete inside the centralized box 1, so that the concrete can pass through the perforation 8 and be at the position on one side of the pressing plate 7. In this way, the pressing plate 7 reciprocates back and forth, so that the concrete can move in position inside the centralized box 1, thereby preventing the concrete from being static inside the centralized box 1 in a short time, causing differences between the upper and lower regions of the concrete and affecting the normal feeding work of the concrete.
[0027] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A 3D printing concrete material conveying device with a stirring structure, characterized in that: It includes a centralized box (1), a U-shaped box (2) is fixedly connected to the bottom end of the centralized box (1), a spiral conveyor blade (3) is rotatably connected inside the U-shaped box (2), the spiral conveyor blade (3) can be connected to an external driving motor, the spiral conveyor blade (3) is located directly below the centralized box (1), a cylinder (4) is fixedly installed outside the centralized box (1), the telescopic end of the cylinder (4) is inserted into the inside of a sleeve (5), the telescopic end of the cylinder (4) and the sleeve (5) are fixedly connected by a first bolt (6), the sleeve (5) is fixedly installed on the outside of an extrusion plate (7), a through hole (8) is formed on the outside of the extrusion plate (7), a sliding hole (9) is formed on the extrusion plate (7), a guiding column (10) is inserted into the sliding hole (9), the guiding column (10) is fixedly installed on the outside of a side panel (11), the side panel (11) is inserted into the inside of the centralized box (1), and the side panel (11) is fixedly arranged inside the centralized box (1) through a limiting structure.
2. The 3D printing concrete material transmission device with a stirring structure according to claim 1, characterized in that: There are two groups of the extrusion plates (7), and the two groups of extrusion plates (7) are symmetrically distributed on the outside of the guiding column (10), and the through holes (8) are arranged at equal intervals on the outside of the extrusion plate (7).
3. A 3D printing concrete material conveying device with a stirring structure according to claim 1, characterized in that: The inner wall of the sliding hole (9) abuts against the outside of the guiding column (10), the sliding hole (9) and the guiding column (10) are slidably connected, and the outside of the extrusion plate (7) abuts against the inner wall of the centralized box (1).
4. A 3D printing concrete material transmission device with a stirring structure according to claim 1, characterized in that: The limiting structure includes an arc-shaped plate (12), the arc-shaped plate (12) is fixedly installed on the outside of the side panel (11), the arc-shaped plate (12) is inserted into the inside of an arc-shaped groove (13), the arc-shaped groove (13) is formed on the inner wall of the centralized box (1), the centralized box (1) and the guiding column (10) are fixedly connected by a second bolt (14), and a U-shaped hole (15) is formed on the side panel (11).
5. The 3D printing concrete material transmission device with a stirring structure according to claim 4, characterized in that: The length of the arc-shaped plate (12) is greater than the length of the side panel (11), and the bottom edge of the arc-shaped plate (12) is inclined.
6. The 3D printing concrete material transmission device with a stirring structure according to claim 1, characterized in that: A T-shaped groove (16) is formed on the outside of the extrusion plate (7), a T-shaped block (17) is inserted into the T-shaped groove (16), a handle (18) is fixedly installed at the top of the T-shaped block (17), and the handle (18) is located above the extrusion plate (7).
7. The 3D printing concrete material transmission device with a stirring structure according to claim 6, wherein: The T-shaped block (17) fits into the inside of the T-shaped groove (16), and the handle (18) is U-shaped in appearance.