CN111456438A - Building 3D prints surface and repaiies shape device - Google Patents

Abstract

A surface modification device for architectural 3D printing, including a discharge pipe, a vertical surface modification plate and a discharge upper surface modification plate. The smoothing of the inner surface of the inner wall and the outer surface of the outer wall can save the material and labor costs consumed by leveling the inner surface of the inner wall and the outer surface of the outer wall, and can realize the arrangement of steel bars between the inner wall and the outer wall, and concrete For pouring, the upper surface of the material is trimmed to form a concave-convex tooth shape to ensure stable and firm meshing between the upper and lower layers of the printing. Compared with the traditional construction process, it saves a lot of material and labor costs for making the template, and has significant economic benefits. and social benefits.

Description

An architectural 3D printing surface modification device

technical field

The invention relates to an architectural 3D printing surface modification device, which belongs to the field of architectural 3D printing construction equipment and construction facilities.

Background technique

At present, 3D printing technology has been widely used in all walks of life. Among them, a lot of attempts have been made in the construction industry. There have been 3D printing architectural works, which can directly print the entire wall, and also print the inner and outer walls. Because the thickness cannot be too thin, otherwise the time will be too long. It is too long and the efficiency is too low. The wall surface to be printed is usually uneven, and subsequent flattening requires a large cost of materials and labor. In the application number 201711440754.9, a surface modification device for architectural 3D printing is introduced. Its nozzle The sidewall has two symmetrically arranged integrated structure sidewall cutting blades and sidewall trimming blades. Above the symmetrical structure, there is a cross-section scraper connected to the feeding nozzle. When the device directly prints the entire wall, the desired The desired result is obtained, but the cutting blade cuts off the protruding material, causing material waste. When it is applied to print the inner and outer walls, the middle is the reinforced concrete layer, and there are steel bars in the middle. If there are side wall cutting blades and side wall trimmers on both sides Shaped blade, the steel bars arranged in the middle will hinder the movement of the nozzle and cannot achieve printing. Since it is difficult to meet the design requirements for directly printing the entire wall of the building, the design requirements can be guaranteed by printing the inner and outer walls with reinforced concrete layers in the middle for support and connection. 3D printing surface modification devices is very necessary.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a surface modification device for architectural 3D printing, the modification device is specially designed for single-sided modification of printing inner walls or outer walls, so as to ensure the smoothness of the inner surface of the inner wall and the outer surface of the outer wall. The upper surface of the printing layer is modified to ensure stable and firm engagement between the upper and lower layers.

The above object of the present invention is achieved as follows: a surface modification device for architectural 3D printing, comprising a discharge pipe, a vertical surface modification plate and a discharge upper surface modification plate, and the upper surface of the discharge pipe (11, 21 ) is tightly connected with the feed pipe that can make it rotate, and it is characterized in that: a vertical surface modification plate 3 is fastened on a side elevation of the discharge pipe (1, 2), and the vertical surface is modified The plate vertical surface 31 is parallel to the X-axis direction of the printing movement direction, and a discharge upper surface modification plate 4 is fastened at the discharge port of the other side elevation of the discharge pipe, which is perpendicular to the X-axis direction of the printing movement direction. Relative to the X-axis direction of the printing movement, the trimming plate 4 on the upper surface of the discharge is located at the rear side of the discharge port, and the distance between the lowest point 43 of the trimming plate on the upper surface of the discharge and the lower surface (12, 22) of the material pipe is not greater than The thickness of one print layer.

In the X-axis direction of the printing movement direction, the vertical surface 31 of the vertical trimming plate 3 is located at the back of the discharge port and is bent at an angle of a° in the direction of the discharge port to form the vertical trimming plate folded surface A (32), and then bend at an angle of b° away from the direction of the discharge port to form a vertical trimming plate folded surface B (33), the vertical trimming plate elevation 31 and the vertical trimming plate folded surface A (32) The range of the included angle a° is: 90°<a°≤180°, and the range of the included angle b° between the folded surface A (32) of the vertical trim plate and the folded surface B (33) of the vertical trim plate is: 30°≤b°≤180°.

The distance between the lowest surface 34 of the vertical surface modification plate 3 and the lower surface (12, 22) of the material tube is not less than the thickness of one printing layer.

In the direction of the X-axis of the printing movement direction, the upper discharge surface modification plate 4 is bent at an angle of c° at the part lower than the lower surface (12, 22) of the material tube, and is bent at an angle of c° in the direction below the discharge opening to form a discharge upper surface. The surface modification plate is folded 42, the vertical edge 41 of the discharge upper surface modification plate is perpendicular to the X-axis direction of the printing movement direction, and the discharge upper surface modification plate vertical edge 41 and the discharge upper surface modification plate are folded 42. The range of the included angle c° is: 90°<c°≤180°.

The trimming plate hem 42 on the upper surface of the discharging material is in the shape of concave and convex teeth, and the distance between the convex bottom point 43 of the trimming plate on the discharging upper surface and the lower mouth surface (12, 22) of the material pipe is not greater than that of one printing layer. thickness.

An architectural 3D printing surface modification device of the present invention has the following beneficial effects:

When the architectural 3D printing surface modification device is used for architectural wall printing, the modification device is specially designed for printing the single-sided modification of the inner wall or the outer wall, which can ensure the smoothness of the inner surface of the inner wall and the outer surface of the outer wall. It saves the material and labor costs consumed by leveling the inner surface of the inner wall and the outer surface of the outer wall. It can realize the arrangement of steel bars between the inner wall and the outer wall, and concrete pouring. , to ensure stable and firm meshing between the upper and lower layers of printing. Compared with traditional construction techniques, it saves a lot of material and labor costs for making templates, and has significant economic and social benefits.

The following is a further description of the architectural 3D printing surface modification device of the present invention in conjunction with the accompanying drawings.

Description of drawings

Fig. 1 is an axial schematic diagram of an embodiment of an architectural 3D printing surface modification device with a rectangular discharge opening;

Fig. 2 is a schematic diagram of an axial side of an embodiment of a surface modification device for architectural 3D printing with a circular discharge opening;

Figure 3 is a cross-sectional view F-F of a building 3D printing surface modification device with a rectangular discharge outlet;

Figure 4 is a cross-sectional view E-E of a building 3D printing surface modification device with a rectangular discharge outlet;

Figure 5 is a schematic cross-sectional view of the wall structure of conventional 3D printing of inner and outer walls;

Figure 6 is a schematic cross-sectional view of the wall structure for printing inner and outer walls by using a building 3D printing surface modification device with a rectangular outlet;

in:

1- The discharge port is a rectangular discharge pipe; 11- The discharge port is a rectangular discharge pipe upper surface;

12- The discharge port is the lower surface of the rectangular discharge pipe; 2- The discharge port is a circular discharge pipe;

21- The discharge port is the upper surface of the circular discharge pipe; 22- The discharge port is the lower surface of the circular discharge pipe;

3-Vertical modification plate; 31-Vertical modification plate elevation;

32 - Folded surface A of the vertical trimming plate; 33 - Folded surface B of the vertical trimming plate;

34- The bottom surface of the vertical trimming plate; 4- The trimming plate on the upper surface of the discharge;

41- Vertical edge of the trimming plate on the upper surface of the discharge; 42- Hemming of the trimming plate on the upper surface of the discharge;

43- The raised bottom point of the trim plate on the upper surface of the discharge; 5- The outer wall layer without trimming device 3D printing;

51-The outer surface of the outer wall layer printed by 3D without modification device; 52-The upper surface of the outer wall layer printed by 3D without modification device;

6-Concrete pouring layer; 61-Rebar;

7- 3D-printed inner wall layer without modification device; 71- inner surface of inner wall layer without modification device 3D printing;

72- The upper surface of the inner wall layer without modification device 3D printing; 8- The outer wall layer with modification device 3D printing;

81-The outer surface of the outer wall layer 3D printed with the modification device; 82-The upper surface of the outer wall layer with the modification device 3D printing;

9- The inner wall layer with 3D printing of the modification device; 91- The inner surface of the inner wall layer with the 3D printing of the modification device;

92 - The upper surface of the inner wall layer with the 3D printing of the modification device;

Detailed ways

Fig. 1 is a three-dimensional schematic diagram of an embodiment of a surface modification device for architectural 3D printing with a rectangular discharge opening. There is a vertical surface modification plate 3 on the narrow side of the discharge opening, and the other side perpendicular to the surface has a discharge upper surface. For the trim plate 4, when the discharge pipe moves forward, the vertical trim plate folded surface A (32) and the vertical trim plate folded surface B (33) are responsible for the compaction and smoothing of the facade. The folded edge 42 of the trimming plate 4 on the upper surface of the discharge is responsible for compacting and marking the tooth grooves, so that a firm and stable combination between the adjacent upper and lower layers can be achieved. FIG. 2 is a three-dimensional schematic diagram of an embodiment of a surface modification device for architectural 3D printing with a circular discharge opening. Similarly, the discharge opening can also be of other shapes. Figures 3 and 4 are cross-sectional views of the surface modification device for architectural 3D printing with a rectangular discharge opening. Figure 4 shows the X-axis direction of the printing movement, and shows the vertical surface modification plate 3 and the discharge upper surface modification The relative position of the shape plate 4 in the actual operation. FIG. 6 is a schematic cross-sectional view of the wall structure of the inner and outer walls printed by using the architectural 3D printing surface modification device of the present invention. Before printing, it is allowed to arrange columns and shear wall reinforcement bars. After printing the outer wall layer 8, the The discharge pipe is rotated 180° and moved to the inner wall layer 9, and the inner wall layer can be printed. The inner surface of the inner wall layer and the outer surface of the outer wall layer printed by the shape device are relatively flat and smooth. ) more stable and firmer.

The foregoing are merely preferred embodiments of the present invention. It should be pointed out that for those of ordinary skill in the art, without departing from the principle and core idea of the present invention, several modifications and improvements can be made, which are also regarded as belonging to the protection scope of the present invention.

Claims (5)

1. The utility model provides a building 3D prints surface and repaiies shape device, includes that discharging pipe, vertical face repair the shaped plate and the shaping plate of ejection of compact upper surface, mouth face (11, 21) and the feed pipe fastening connection that can make its rotation on the discharging pipe, its characterized in that: at a vertical face of side facade fastening connection vertical face of discharging pipe (1, 2) repaiies shaped plate (3), this vertical face repaiies shaped plate facade (31) and prints moving direction X axle direction parallel, another and the perpendicular side facade discharge gate department of printing moving direction X axle direction at the discharging pipe, a ejection of compact upper surface of fastening connection is repaiied shaped plate (4), for printing moving direction X axle direction, this ejection of compact upper surface is repaiied shaped plate (4) and is located the discharge gate rear side, the distance of ejection of compact upper surface is repaiied shaped plate lower (43) and material pipe end of a river surface (12, 22), be not more than the thickness of a printing layer.

2. The architectural 3D printing surface modification apparatus of claim 1, wherein: on printing moving direction X axle direction, facade (31) of vertical face shaping board (3) be located the discharge gate back part and deflect into the discharge gate direction and bend an angle, form vertical face shaping board folded surface A (32), then keep away from the discharge gate direction and bend B angle, form vertical face shaping board folded surface B (33), its vertical face shaping board facade (31) is repaiied shape board folded surface A (32) with vertical face and is repaiied shape board folded surface A (32) contained angle a scope and do: a is more than 90 degrees and less than or equal to 180 degrees, and the included angle B between the folded surface A (32) of the vertical surface trimming plate and the folded surface B (33) of the vertical surface trimming plate is as follows: b is between 30 and 180 degrees.

3. The architectural 3D printing surface modification apparatus of claim 1, wherein: the distance between the lowest surface (34) of the vertical surface modification plate (3) and the material pipe blanking opening surfaces (12, 22) is not less than the thickness of one printing layer.

4. The architectural 3D printing surface modification apparatus of claim 1, wherein: on printing moving direction X axle direction, ejection of compact upper surface modification board (4) be less than material pipe lower mouth face (12, 22) part orientation bend c angle below the discharge gate, form ejection of compact upper surface modification board hem (42), its ejection of compact upper surface modification board stile (41) with print moving direction X axle direction on perpendicular, ejection of compact upper surface modification board stile (41) and ejection of compact upper surface modification board hem (42) contained angle c scope do: the angle is more than 90 degrees and less than or equal to 180 degrees.

5. The architectural 3D printing surface modification apparatus of claim 4, wherein: the discharging upper surface trimming plate folding edges (42) are concave-convex teeth, and the distance between the protruding bottom points (43) of the discharging upper surface trimming plate and the discharging pipe lower opening surfaces (12 and 22) is not more than the thickness of one printing layer.

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