CN219060914U

CN219060914U - Rotary discharger for 3D printing of concrete

Info

Publication number: CN219060914U
Application number: CN202223518351.0U
Authority: CN
Inventors: 王奇; 陶琦; 刘祥敏; 刘昌济; 韩希平
Original assignee: China Railway 19th Bureau Group Co Ltd; Sixth Engineering Co Ltd of China Railway 19th Bureau Group Co Ltd
Current assignee: China Railway 19th Bureau Group Co Ltd; Sixth Engineering Co Ltd of China Railway 19th Bureau Group Co Ltd
Priority date: 2022-12-28
Filing date: 2022-12-28
Publication date: 2023-05-23
Anticipated expiration: 2032-12-28

Abstract

The utility model discloses a rotary discharger for concrete 3D printing, which comprises: the discharging device comprises a discharging device body, wherein the lower end of the discharging device body is provided with a rotary groove, the lower end of the inner wall of the rotary groove is provided with a limiting ring, an adjusting pipe is arranged in the rotary groove and is rotationally connected with the adjusting pipe through the limiting ring, and the middle part of the top surface of the adjusting pipe and the lower end of the inner part of the discharging device body form a smooth transition cone-shaped structure. According to the utility model, the material is led into the discharger through the feeding hole, the material is pushed to the discharging pipe through the rotating helical blade and is discharged, the discharging pipe is displaced through the electric push rod in the discharging process, so that the transverse position of the discharging pipe orifice is adjusted, the gear is driven to rotate through the angle adjusting motor, the adjusting pipe can be driven to rotate after the gear pushes the tooth, the position of the discharging pipe is adjusted, the discharging position of the discharging pipe can be correspondingly adjusted, and meanwhile, the device also has the integrity of the section shape, and has a good application effect on printing of refined concrete.

Description

Rotary discharger for 3D printing of concrete

Technical Field

The utility model relates to the technical field of concrete 3D construction, in particular to a rotary discharger for concrete 3D printing.

Background

Along with the development of traditional concrete construction, the limited surface of the concrete is gradually exposed, and for complex special-shaped structures, the traditional concrete pouring mode is difficult to be qualified, and the development of the traditional concrete pouring in the local field is severely restricted due to high cost, low construction efficiency and slow construction speed. Therefore, in combination with the development of modern industry, concrete pouring and industrial robots are combined, and concrete 3D printing construction is produced. The method has the advantages of high construction efficiency and high individuation degree, and changes the manual labor mainly relied on in the traditional construction into the mental labor mainly relied on to realize the purpose construction. In concrete 3D printing construction, the tool end is the core part, which largely determines the printing efficiency, printing quality and printing form.

At present, the position of a discharging pipe orifice of a conventional rotary discharging device for 3D printing of concrete is relatively fixed, and cannot be adjusted, so that discharging operation has certain limitation, and meanwhile, the integrity of the section shape is difficult to ensure, and the printing of the concrete is difficult to be qualified for fine concrete. For this reason, it is necessary to design a new scheme to give improvement.

Disclosure of Invention

The utility model aims to provide a rotary discharger for concrete 3D printing, which solves the problems that the position of a discharge pipe orifice of the conventional rotary discharger for concrete 3D printing is relatively fixed and cannot be adjusted, so that the discharge operation has certain limitation, the integrity of the section shape is difficult to ensure, the printing of fine concrete is difficult to be qualified, and the actual use requirement is met.

In order to achieve the above purpose, the present utility model provides the following technical solutions: concrete 3D prints with rotatory discharger includes: the discharging device comprises a discharging device body, wherein the lower end of the discharging device body is provided with a rotary groove, a limiting ring is arranged at the lower end of the inner wall of the rotary groove, an adjusting pipe is arranged in the rotary groove and is rotationally connected with the adjusting pipe through the limiting ring, the middle part of the top surface of the adjusting pipe and the lower end of the inner part of the discharging device body form a smooth transition conical structure, the lower end of the soft connecting structure and the soft connecting structure are mounted at the middle part of the bottom surface of the adjusting pipe, the discharging pipe is of the conical structure, a fixing ring is mounted on the outer wall of the discharging pipe, an electric push rod and a telescopic rod are mounted on the inner wall of the adjusting pipe, and the ends of the electric push rod and the telescopic rod are respectively connected with the outer wall of the fixing ring.

As a preferable mode of the utility model, the soft connecting structure comprises a hose and connecting plates arranged at two ends of the hose, the middle part of each connecting plate is provided with a material passing hole corresponding to the hose, and the connecting plates are respectively connected with the discharging pipe and the adjusting pipe by bolts.

As a preferable mode of the utility model, the top surface of the connecting plate positioned at the upper end of the hose is also provided with a connecting ring, and the inside of the adjusting pipe is also provided with a connecting groove which is rotationally connected with the connecting ring.

As a preferable mode of the utility model, an adjusting groove is formed in the outer wall of the adjusting pipe and positioned in the rotating groove, the adjusting groove is of an annular structure, a plurality of teeth are uniformly arranged at the upper end of the inner part of the adjusting groove, an angle adjusting motor is arranged at the lower end of the outer wall of the discharger body, the power output end of the angle adjusting motor extends into the adjusting groove and is connected with a gear, and the gear is meshed with the teeth.

As a preferable mode of the utility model, the discharging motor is arranged at the upper end of the inside of the discharger body, the transmission rod is arranged at the output end of the discharging motor, the tail end of the transmission rod extends into the regulating pipe vertically, and the surface of the transmission rod is provided with the helical blade.

As a preferable mode of the utility model, a handle is arranged on the outer wall of the discharger body, and a feeding hole is arranged on the outer wall of the discharger body and above the angle adjusting motor.

Compared with the prior art, the utility model has the following beneficial effects:

according to the utility model, the material is led into the discharger through the feeding hole, the material is pushed to the discharging pipe through the rotating helical blade and is discharged, the discharging pipe is displaced through the electric push rod in the discharging process, so that the transverse position of the discharging pipe orifice is adjusted, the gear is driven to rotate through the angle adjusting motor, the adjusting pipe can be driven to rotate after the gear pushes the tooth, the position of the discharging pipe is adjusted, the discharging position of the discharging pipe can be correspondingly adjusted, and meanwhile, the device also has the integrity of the section shape, and has a good application effect on printing of refined concrete.

Drawings

FIG. 1 is an external construction view of a rotary discharger for 3D printing of concrete according to the present utility model;

FIG. 2 is an internal structural view of the rotary discharger for 3D printing of concrete of the present utility model;

FIG. 3 is an internal structural view of the regulator tube of the present utility model;

fig. 4 is a structural view of a fixing ring and an electric putter of the present utility model.

In the figure, 1, a discharger body; 2. a handle; 3. an adjusting tube; 4. a discharge pipe; 5. an angle adjusting motor; 6. a feed hole; 7. a discharging motor; 8. a transmission rod; 9. a helical blade; 10. a limiting ring; 11. a rotating groove; 12. teeth; 13. a gear; 14. a connecting groove; 15. a connecting plate; 16. a telescopic rod; 17. a fixing ring; 18. an electric push rod; 19. a hose; 20. a connecting ring; 21. and an adjusting groove.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, the present utility model provides a technical solution: concrete 3D prints with rotatory discharger includes: the discharging device comprises a discharging device body 1, a rotating groove 11 is arranged at the lower end of the discharging device body 1, a limiting ring 10 is arranged at the lower end of the inner wall of the rotating groove 11, an adjusting pipe 3 is arranged in the rotating groove 11 and is rotationally connected with the adjusting pipe 3 through the limiting ring 10, a smooth transition conical structure is formed between the middle part of the top surface of the adjusting pipe 3 and the lower end of the inner part of the discharging device body 1, a discharging pipe 4 is arranged at the lower end of the soft connecting structure and the bottom surface of the adjusting pipe 3, the discharging pipe 4 is in a conical structure, a fixing ring 17 is arranged on the outer wall of the discharging pipe 4, an electric push rod 18 and a telescopic rod 16 are arranged on the inner wall of the adjusting pipe 3, the ends of the electric push rod 18 and the telescopic rod 16 are respectively connected with the outer wall of the fixing ring 17, the electric push rod 18 can drive the discharging pipe 4 to transversely displace after being pushed out, the effect of adjusting the discharging position is achieved, and the stability of the movement of the discharging pipe 4 can be improved through the telescopic rod 16.

Further improved, the flexible connection structure comprises a flexible pipe 19 and connecting plates 15 arranged at two ends of the flexible pipe 19, the flexible connection can be made of flexible rubber materials, a certain pull rope function is achieved, the position of the discharging pipe 4 is convenient to adjust, a material passing hole corresponding to the flexible pipe 19 is formed in the middle of the connecting plates 15, and the connecting plates 15 are connected with the discharging pipe 4 and the adjusting pipe 3 through bolts respectively.

Further improved, the top surface of the connecting plate 15 at the upper end of the hose 19 is also provided with a connecting ring 20, the inside of the adjusting tube 3 is also provided with a connecting groove 14 which is rotationally connected with the connecting ring 20, and the connecting ring 20 plays a limiting role.

Further improved, the outer wall of the adjusting tube 3 is provided with an adjusting groove 21 in the rotating groove 11, the adjusting groove 21 is of an annular structure, a plurality of teeth 12 are uniformly arranged at the upper end of the inner portion of the adjusting groove 21, the lower end of the outer wall of the discharger body 1 is provided with an angle adjusting motor 5, the power output end of the angle adjusting motor 5 extends into the adjusting groove 21 and is connected with a gear 13, the gear 13 is meshed with the teeth 12 and connected with the gear 13, the gear 13 is driven to rotate through the angle adjusting motor 5, and the teeth 12 are pushed after the gear 13 rotates, so that the adjusting tube 3 rotates to achieve the effect of adjusting the discharging position.

Further improved, the discharging motor 7 is installed to the inside upper end of discharging ware body 1, installs transfer line 8 on the output of discharging motor 7, and transfer line 8 is vertical to be set up and the terminal extension to inside the regulation pipe 3, and transfer line 8's surface is provided with helical blade 9, drives transfer line 8 through discharging motor 7 and rotates, drives helical blade 9 after transfer line 8 rotates, and helical blade 9 rotates the back with inside material push down.

Specifically, install handle 2 on the outer wall of discharger body 1, conveniently hold, the outer wall of discharger body 1 just is located the top of angle adjusting motor 5 and is provided with feed port 6, and feed port 6 connects the material pipe, with the inside of material leading-in discharger.

When the automatic feeding device is used, materials are led into the discharger through the feeding hole 6, the materials are pushed to the discharging pipe 4 through the rotating spiral blade 9 and discharged, the discharging pipe 4 can be displaced through the electric push rod 18 in the discharging process, so that the transverse position of the opening of the discharging pipe 4 is adjusted, the gear 13 is driven to rotate through the angle adjusting motor 5, the adjusting pipe 3 can be driven to rotate after the gear 13 pushes the tooth 12, so that the position of the discharging pipe 4 is adjusted, the discharging position of the discharging pipe 4 can be correspondingly adjusted, the automatic feeding device also has the integrity of the section shape, and has a good application effect on fine concrete printing.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. Concrete 3D prints with rotatory discharger includes: discharging ware body (1), its characterized in that: the lower end of the discharger body (1) is provided with a rotary groove (11), the lower end of the inner wall of the rotary groove (11) is provided with a limiting ring (10), the inside of the rotary groove (11) is provided with an adjusting pipe (3) and is rotationally connected with the adjusting pipe (3) through the limiting ring (10), the middle part of the top surface of the adjusting pipe (3) and the lower end of the inside of the discharger body (1) form a smooth transition cone-shaped structure, the bottom surface mid-mounting of adjusting tube (3) has soft connection structure and soft connection structure's lower extreme to install discharging pipe (4), discharging pipe (4) are taper structure and outer wall installation and have solid fixed ring (17), install electric putter (18) and telescopic link (16) on the inner wall of adjusting tube (3), electric putter (18) and telescopic link (16)'s tip respectively with solid fixed ring (17) outer wall connection.

2. The rotary discharger for 3D printing of concrete according to claim 1, wherein: the flexible connection structure comprises a hose (19) and connecting plates (15) arranged at two ends of the hose (19), a material passing hole corresponding to the hose (19) is formed in the middle of each connecting plate (15), and each connecting plate (15) is connected with the discharging pipe (4) and the adjusting pipe (3) through bolts.

3. The rotary discharger for 3D printing of concrete according to claim 2, wherein: the top surface of the connecting plate (15) positioned at the upper end of the hose (19) is also provided with a connecting ring (20), and the inside of the adjusting pipe (3) is also provided with a connecting groove (14) rotationally connected with the connecting ring (20).

4. The rotary discharger for 3D printing of concrete according to claim 1, wherein: the outer wall of adjusting pipe (3) just is located and has offered adjustment tank (21) in rotating groove (11), adjustment tank (21) are annular structure and inside upper end evenly installs a plurality of tooth (12), angle adjustment motor (5) are installed to the outer wall lower extreme of discharging ware body (1), the power take off end of angle adjustment motor (5) extends to in adjustment tank (21) and is connected with gear (13), gear (13) are connected with tooth (12) meshing.

5. The rotary discharger for 3D printing of concrete according to claim 1, wherein: the discharging device is characterized in that a discharging motor (7) is arranged at the upper end of the inside of the discharging device body (1), a transmission rod (8) is arranged at the output end of the discharging motor (7), the transmission rod (8) is vertically arranged and extends to the inside of the adjusting tube (3) at the tail end, and spiral blades (9) are arranged on the surface of the transmission rod (8).

6. The rotary discharger for 3D printing of concrete according to claim 1, wherein: the novel discharging device is characterized in that a handle (2) is arranged on the outer wall of the discharging device body (1), and a feeding hole (6) is formed in the outer wall of the discharging device body (1) and above the angle adjusting motor (5).