CN219528429U - 3D building printing device - Google Patents

Abstract

The utility model relates to the technical field of building mechanical equipment, in particular to a 3D building printing device, which comprises a printing platform, a supporting structure for supporting the printing platform and 3D printing equipment arranged on the printing platform; the support structure comprises a base frame and a stand column, the stand column comprises at least one standard section, the bottom end of the stand column is inserted into the base frame, and the printing platform is arranged above the top end of the stand column and fixedly connected with the stand column; the stand column can move upwards relative to the base frame to form an assembly space below the stand column, a standard knot is placed in the assembly space and connected with the stand column, and one-time lifting operation of the printing platform is completed; the 3D building printing device is good in stability and reliability.

Description

3D building printing device

Technical Field

The utility model relates to the technical field of building mechanical equipment, in particular to a 3D building printing device.

Background

The 3D building printing device generally comprises a printing platform, a supporting structure for supporting the printing platform and 3D printing equipment arranged on the printing platform, wherein the printing platform can move up and down along the height direction of the supporting structure, the printing platform is hung on the supporting structure and located on one side of the supporting structure through a matching structure (such as a movable seat), the matching structure is convenient to climb along one side of the supporting structure, the height of the supporting structure is not influenced, the stability and the reliability of the supporting structure are influenced by the setting of the printing platform on one side of the supporting structure, and certain inclination exists between the supporting structure and the printing platform, so that the printing precision of a building is influenced. In addition, the existing 3D building printing device is complicated in structure and operation for lifting the printing platform.

Disclosure of Invention

The utility model aims to overcome at least one defect in the prior art and provides a 3D building printing device which is good in stability and reliability.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a 3D building printing device, comprising a printing platform, a supporting structure for supporting the printing platform, and a 3D printing device arranged on the printing platform;

the support structure comprises a base frame and a stand column, the stand column comprises at least one standard section, the bottom end of the stand column is inserted into the base frame, and the printing platform is arranged above the top end of the stand column and fixedly connected with the stand column;

the stand can move up for the base frame and form the assembly space below the stand, a standard knot is placed in the assembly space and connected with the stand, and one-time lifting operation of the printing platform is completed.

Further, the printing platform comprises an X track, a Y track and a Z track, the 3D printing equipment is arranged along the Z track in a sliding manner, the Z track is arranged on the Y track in a sliding manner, and the X track is arranged on the Y track in a sliding manner; each X track is supported by a plurality of groups of supporting structures arranged along the length direction of the X track, and the X track is connected with the top ends of the upright posts of the supporting structures.

Further, the top of bearing structure's stand still is equipped with the stirring storehouse, and the stirring storehouse passes through the feed pipeline with 3D printing apparatus and is connected, and the stirring storehouse is used for stirring building material and carries 3D printing apparatus to print.

Further, the top of bearing structure's stand can set up the relay feed bin, and the relay feed bin is used for receiving the printing material after the stirring and caches and carry 3D printing apparatus, and the discharge gate of relay feed bin is connected with 3D printing apparatus through the feed pipeline.

Further, the base frames of adjacent support structures are connected through a first cross beam.

Further, the printing platform further comprises two second cross beams arranged at intervals side by side, two X tracks are arranged at intervals side by side, one second cross beam is connected between one ends of the two X tracks, and the other second cross beam is connected between the other ends of the two X tracks.

Further, the two Y tracks are oppositely arranged at intervals, and the Z track is positioned between the two groups of Y tracks and is connected with the two Y tracks in a sliding manner.

Further, the 3D building printing device further comprises a lifting mechanism arranged on the base frame, and the lifting mechanism is in transmission connection with the upright post and is used for driving the upright post to move upwards relative to the base frame.

Further, the lifting mechanism is a winch mechanism, a winding drum structure of the winch mechanism is fixedly arranged on the base frame, and one end of a winch rope of the winch mechanism is in transmission connection with the upright post.

Further, a base frame cavity for inserting the support is formed in the middle of the base frame, and a guide groove is formed in each of a pair of side walls of the base frame; the lifting mechanism further comprises a first hanging lug and a second hanging lug, the two groups of first hanging lugs are respectively fixed on a pair of side walls of the base frame, the two groups of winch mechanisms are respectively hung on the pair of first hanging lugs, the two groups of second hanging lugs are respectively fixed on a pair of side walls of the upright post, the two groups of second hanging lugs are respectively located in the two groups of guide grooves, and the reeves of the two groups of winch mechanisms are respectively connected with the two groups of second hanging lugs in a transmission mode.

Further, the 3D building printing device further comprises supporting legs, the base frame is fixedly arranged on the supporting position, one ends of the supporting legs are connected with the base frame, and the other ends of the supporting legs are fixed on the supporting position.

Further, the standard knot is of a quadrangular prism structure and comprises four prisms; four groups of upright post pulleys are arranged in the base frame and are respectively matched with four prisms of the standard section.

According to the 3D building printing device, the printing platform is arranged above the top end of the upright post, so that the stress of the upright post is simplified, the connection reliability of the printing platform and the supporting structure is improved, and the situation that the acting force of the supporting structure of the upright post is inclined is avoided or obviously reduced; in addition, when the printing platform is lifted, the standard section is added at the bottom of the upright post, so that the upright post is heightened, the connection between the printing platform and the supporting structure is not affected, the acting force applied by the printing platform to the upright post is not changed, and the stability and the reliability of the 3D building printing device in the action process are ensured.

The connecting structure of the lifting mechanism and the upright post is simple and reliable, and stable and reliable movement of the upright post relative to the base frame is realized.

Drawings

FIG. 1 is a schematic structural view of a 3D building printing device of the present utility model, showing the connection structure of a support structure and a printing platform;

FIG. 2 is a top view of the 3D building printing apparatus of the present utility model, showing the structure of the printing platform;

FIG. 3 is a schematic structural view of the 3D building printing apparatus of the present utility model, showing the connection of the feet to the base frame;

FIG. 4 is a schematic view of the structure of the base frame of the present utility model;

FIG. 5 is a schematic view of a standard knot of the present utility model;

FIG. 6 is a diagram of the mating relationship of the lifting mechanism, the base frame and the upright of the present utility model.

Description of the reference numerals

1a base frame; 100 base rack cavities; 101 a guide groove; 2, stand columns; 20 standard knots; 200 prisms; 3 a first cross beam; a 4X track; a 5Y track; a 6Z track; 7, a second cross beam; 8 supporting legs; 9, a lifting mechanism; 1a first hangers; 2a second hangers.

Detailed Description

Specific embodiments of the 3D construction printing apparatus of the present utility model are further described below with reference to examples given in the accompanying drawings. The 3D building printing apparatus of the present utility model is not limited to the description of the following embodiments.

As shown in fig. 1-3, one embodiment of the 3D building printing apparatus of the present utility model is shown.

The 3D building printing device comprises a printing platform, a supporting structure for supporting the printing platform and a 3D printing device arranged on the printing platform; the supporting structure comprises a base frame 1 and an upright post 2, the upright post 2 comprises at least one standard section 20, the bottom end of the upright post 2 is inserted into the base frame 1, and the printing platform is arranged above the top end of the upright post 2 and fixedly connected with the upright post 2; the upright post 2 moves upwards relative to the base frame 1 to form an assembly space below the upright post 2, and a standard section 20 is placed in the assembly space and connected with the upright post 2 to complete the sequential lifting operation of the printing platform. According to the 3D building printing device, the printing platform is arranged above the top end of the upright post 2, so that the stress of the upright post 2 is simplified, the connection reliability of the printing platform and the supporting structure is improved, and the situation that the upright post 2 is inclined due to the acting force of the supporting structure is avoided or obviously reduced; in addition, when the printing platform is lifted, the standard section 20 is added at the bottom of the upright post 2, so that the upright post 2 is heightened, the connection between the printing platform and the supporting structure is not affected, the acting force applied to the upright post 2 by the printing platform is not changed, and the stability and the reliability of the 3D building printing device in the action process are ensured. Further, the height of the assembling space is greater than or equal to the height of the standard section 20, so that the standard section 20 can be smoothly placed into the assembling space.

As shown in fig. 1-3, the base frame 1 is fixedly arranged on a supporting position, the bottom end of the column 2 is inserted into the base frame 1 and abuts against the supporting position, the supporting position is a foundation, and the supporting position can be a platform or other structure which is actually required to be built, so long as the fixed arrangement of the base frame 1 can be realized. The print platform sets up in the top of stand 2, with the top fixed connection of stand 2, this kind of design actually makes print platform itself can not climb along stand 2 in the vertical direction of Z axle, but has showing the stability that has promoted print platform, avoids or showing the condition emergence that reduces stand 2 and incline because of bearing structure's effort.

The printing platform comprises an X track 4, a Y track 5 and a Z track 6, wherein the 3D printing equipment is arranged in a sliding manner along the Z track 6, the printing height can be adjusted in the vertical direction, the Z track 6 is arranged on the Y track 5 in a sliding manner, and the X track 4 is arranged on the Y track 5 in a sliding manner; each X track 4 is supported by a plurality of groups of supporting structures arranged along the length direction of the X track 4, and the X track 4 is connected with the top ends of the upright posts 2 of the supporting structures. Specifically, in this embodiment, each X track 4 is supported by 3 groups of support structures, and the 3 groups of support structures are uniformly distributed along the length direction of the X track 4. The X-track 4 and the Y-track 5 are parallel to the horizontal direction, and the Z-track 6 extends perpendicular to the horizontal direction and in the vertical direction.

Preferably, the top of the upright post 2 of the supporting structure is also provided with a stirring bin, the stirring bin is connected with the 3D printing equipment through a feeding pipeline, and the stirring bin is used for stirring building materials and conveying the building materials to the 3D printing equipment for printing. The stirring bin comprises a raw material port, a water inlet and the like for receiving materials such as concrete, sand and the like, a stirring fan blade and the like connected with a motor are arranged in the stirring bin, and a discharge port of the stirring bin is connected with 3D printing equipment. The stirring storehouse is heavier, and this embodiment is kept away from ground on the top of stand 2 with the stirring storehouse setting, is close to 3D printing apparatus, can reduce the length of feed pipeline, reduces the stirring and prints the time that the material changes, not only can improve the print quality, reduces the probability that the feed pipeline blockked up, can not make bearing structure's slope moreover. Of course, as other embodiments, the stirring chamber may be disposed on the Y rail 5, for example, on the upper sides of both ends of the stirring chamber, and move along the Y rail 5 on the X rail 4.

As another embodiment, the top end of the upright post 2 of the supporting structure can be provided with a relay bin, the relay bin is used for receiving the stirred printing material to be buffered and conveyed to the 3D printing device, the stirring bin is arranged on the ground, and a discharge hole of the relay bin is connected with the 3D printing device through a feeding pipeline and is used for directly feeding the 3D printing device. Printing raw materials after subaerial stirring storehouse mixes can be through mixing earth pump truck, or mix in earth mixing station sends the relay feed bin with the pump truck, the direct 3D printing equipment feed of 3D printing equipment of rethread relay feed bin can be equipped with corresponding stirring and extrusion device in order to keep stirring back printing material's performance of course, can reduce the length of feed pipeline through setting up the relay feed bin, reduce the probability that the feed pipeline blockked up, moreover when carrying the different raw materials of granularity, because the buffering through the relay feed bin, the discharge rate of relay feed bin is convenient for adjust to the speed with 3D printing equipment assorted speed in order to adapt to the different raw materials of granularity, the jam feed pipeline that arouses because the granularity is too big can not appear, or be difficult to fashioned problem when printing because the granularity is too little, can select the raw materials to use in a wider scope, can improve stability, reliability and efficiency for 3D printing equipment feed. Of course, as other embodiments, the relay bin may be disposed on the Y rail 5, for example, on the upper sides of both ends of the Y rail 5, and move along the Y rail 5 on the X rail 4; alternatively, for example, a travelling car is provided on both Y-rails 5, and the Z-rail 6 is mounted on the travelling car together with the relay bin, moving with the travelling car on the Y-rails 5, in which case the stirring bin may be provided on the ground or at the top of the upright 2 of the support structure.

As shown in fig. 2, the printing platform includes two sets of Y rails 5 arranged at opposite intervals, and the Z rail 6 is located between the two sets of Y rails 5 and slidably connected to the two Y rails 5, so as to improve the sliding stability of the Z rail 6 along the Y rails 5.

As shown in fig. 1, the base frames 1 of adjacent support structures are connected by a first cross member 3, thereby increasing the stability and reliability of each base frame 1.

As shown in fig. 2, the printing platform further includes two second cross beams 7 arranged at intervals side by side, two X-tracks 4 are arranged at intervals side by side, one second cross beam 7 is connected between one ends of the two X-tracks 4, the other second cross beam 7 is connected between the other ends of the two X-tracks 4, and the two X-tracks and the two second cross beams 7 are integrally formed into a square frame structure.

As shown in fig. 1 and 6, the 3D building printing device of the present embodiment further includes a lifting mechanism 9 disposed on the base frame 1, where the lifting mechanism 9 is in transmission connection with the upright post 2, and is used for driving the upright post 2 to move upwards relative to the base frame 1 to form an assembly space below the upright post 2 for the standard joint 20 to be placed in.

As shown in fig. 6, the lifting mechanism 9 is a winch mechanism, a winding drum structure of the winch mechanism is fixedly arranged on the base frame 1, and one end of a winch rope of the winch mechanism is in transmission connection with the upright post 2 and is used for lifting the upright post 2; the winch mechanism is a conventional technical means in the art and will not be described in detail herein.

As shown in fig. 4, a base frame cavity 100 into which the upright post 2 is inserted is provided in the middle of the base frame 1, and a pair of side walls of the base frame 1 are respectively provided with an avoidance groove 101; the lifting mechanism 9 further comprises a first hanging lug 1a and a second hanging lug 2a, the two groups of first hanging lugs 1a are respectively fixed on a pair of side walls of the base frame 1, the two groups of winch mechanisms are respectively hung on the pair of first hanging lugs 1a, the two groups of second hanging lugs 2a are respectively fixed on a pair of side walls of the upright post 2, the two groups of second hanging lugs 2a are respectively located in the two groups of guide grooves 101, and the reeds of the two groups of winch mechanisms are respectively connected with the two groups of second hanging lugs 2a in a transmission mode. The connecting structure of the lifting mechanism 9 and the upright post 2 is simple and reliable, and stable and reliable movement of the upright post 2 relative to the base frame 1 is realized. Further, two groups of first hangers 1a are respectively fixed at two sides of the upper end of the base frame 1; the two groups of second hangers 2a are respectively fixed on two sides of the bottom end of the upright post 2.

As shown in fig. 3, the 3D building printing device of the embodiment further includes a supporting leg 8, one end of the supporting leg 8 is connected with the base frame 1, and the other end is fixed on the supporting position, so as to improve the stability of the base frame 1; each of said base frames 1 cooperates with at least one leg 8. Of course, the base frame 1 may also cooperate with a plurality of legs 8 at the same time to further enhance the stability of the base frame 1, and the legs 8 and the building b printed by the 3D building printing apparatus of this embodiment are located at two sides of the base frame 1.

As shown in fig. 5, the standard knot 20 has a quadrangular prism structure, which includes prisms 200, and the four prisms 200 are respectively four edges of the quadrangular prism structure; four groups of upright post pulleys are arranged in the base frame 1 and are respectively matched with the four prisms 200 of the standard section 20, so that smooth movement of the upright post 2 relative to the base frame 1 is ensured, interference between the upright post 2 and the base frame 1 is avoided, and action reliability is influenced.

It should be noted that, in the description of the present utility model, the terms "upper", "lower", "left", "right", "inner", "outer", and the like indicate an orientation or a positional relationship based on that shown in the drawings or an orientation or a positional relationship conventionally put in use, and are merely for convenience of description, and do not indicate that the apparatus or element to be referred to must have a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating relative importance.

The foregoing is a further detailed description of the utility model in connection with the preferred embodiments, and it is not intended that the utility model be limited to the specific embodiments described. It will be apparent to those skilled in the art that several simple deductions or substitutions may be made without departing from the spirit of the utility model, and these should be considered to be within the scope of the utility model.

Claims (12)

1. A 3D building printing device, comprising a printing platform, a supporting structure for supporting the printing platform, and a 3D printing device arranged on the printing platform; the method is characterized in that:

the supporting structure comprises a base frame (1) and a stand column (2), wherein the stand column (2) comprises at least one standard section (20), the bottom end of the stand column (2) is inserted into the base frame (1), and the printing platform is arranged above the top end of the stand column (2) and fixedly connected with the stand column (2);

the stand (2) can move upwards relative to the base frame (1) to form an assembly space below the stand (2), and a standard knot (20) is placed in the assembly space and connected with the stand (2) to finish one-time lifting operation of the printing platform.

2. The 3D building printing device of claim 1, wherein: the printing platform comprises an X track (4), a Y track (5) and a Z track (6), the 3D printing equipment is arranged along the Z track (6) in a sliding mode, the Z track (6) is arranged on the Y track (5) in a sliding mode, and the X track (4) is arranged on the Y track (5) in a sliding mode; each X track (4) is supported by a plurality of groups of supporting structures arranged along the length direction of the X track (4), and the X track (4) is connected with the top ends of the upright posts (2) of the supporting structures.

3. The 3D building printing device of claim 1, wherein: the top of bearing structure's stand (2) still is equipped with the stirring storehouse, and the stirring storehouse passes through the feed pipeline with 3D printing apparatus and is connected, and the stirring storehouse is used for stirring building material and carries 3D printing apparatus to print.

4. The 3D building printing device of claim 1, wherein: the top of bearing structure's stand (2) can set up the relay feed bin, and the relay feed bin is used for receiving the printing material after the stirring and caches and carry 3D printing apparatus, and the discharge gate of relay feed bin is connected with 3D printing apparatus through the feed pipeline.

5. The 3D building printing device of claim 2, wherein: the base frames (1) of adjacent supporting structures are connected through a first cross beam (3).

6. The 3D building printing device of claim 2, wherein: the printing platform further comprises two second cross beams (7) which are arranged at intervals side by side, two X tracks (4) are arranged at intervals side by side, one second cross beam (7) is connected between one ends of the two X tracks (4), and the other second cross beam (7) is connected between the other ends of the two X tracks (4).

7. The 3D building printing device of claim 2, wherein: the two Y tracks (5) are oppositely arranged at intervals, and the Z track (6) is positioned between the two groups of Y tracks (5) and is connected with the two Y tracks (5) in a sliding way.

8. The 3D building printing device of claim 1, wherein: the 3D building printing device further comprises a lifting mechanism (9) arranged on the base frame (1), and the lifting mechanism (9) is in transmission connection with the upright post (2) and used for driving the upright post (2) to move upwards relative to the base frame (1).

9. The 3D building printing device of claim 8, wherein: the lifting mechanism (9) is a winch mechanism, a winding drum structure of the winch mechanism is fixedly arranged on the base frame (1), and one end of a winch rope of the winch mechanism is in transmission connection with the upright post (2).

10. The 3D building printing device of claim 9, wherein: a base frame cavity (100) for inserting the support column (2) is formed in the middle of the base frame (1), and a pair of side walls of the base frame (1) are respectively provided with a guide groove (101); the lifting mechanism (9) further comprises a first hanging lug (1 a) and a second hanging lug (2 a), the two groups of first hanging lugs (1 a) are respectively fixed on a pair of side walls of the base frame (1), the two groups of winch mechanisms are respectively hung on the pair of first hanging lugs (1 a), the two groups of second hanging lugs (2 a) are respectively fixed on a pair of side walls of the upright post (2), the two groups of second hanging lugs (2 a) are respectively located in the two groups of guide grooves (101), and the ropes of the two groups of winch mechanisms are respectively connected with the two groups of second hanging lugs (2 a) in a transmission mode.

11. The 3D building printing device of claim 1, wherein: the 3D building printing device further comprises supporting legs (8), the base frame (1) is fixedly arranged on the supporting position, one ends of the supporting legs (8) are connected with the base frame (1), and the other ends of the supporting legs are fixed on the supporting position.

12. The 3D building printing device of claim 1, wherein: the standard knot (20) is of a quadrangular prism structure and comprises four prisms (200); four groups of upright post pulleys are arranged in the base frame (1) and are respectively matched with four prisms (200) of the standard section (20).