CN212664837U

CN212664837U - A arm is put to side for 3D sand mould is printed

Info

Publication number: CN212664837U
Application number: CN202020987473.6U
Authority: CN
Inventors: 薛占启
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-06-03
Filing date: 2020-06-03
Publication date: 2021-03-09
Anticipated expiration: 2030-06-03

Abstract

The utility model discloses a side arm for 3D sand mould is printed, include: a base and a main arm; a main arm is connected above the base, and a controller is arranged at the other end of the main arm and controls the operation of the mechanical arm; the other end of the main arm is also connected with a first rotating block, the first rotating block is connected with a first motor, and the first rotating block is driven by the first motor; the other end of the first rotating block is connected with a second rotating block, the second brick block is connected with a second motor, and the second rotating block is driven by the second motor; the other end of the second rotating block is connected with a large arm, the other end of the large arm is provided with a control box, and the control box controls a printing nozzle to print; the other end of the big arm is also connected with a small arm; the other end of the small arm is rotatably connected with a connecting arm through a pin shaft, and the other end of the connecting arm is connected with a printing nozzle; through the side arm that sets up, drive and print the shower nozzle and print, promoted printing efficiency, the control of being convenient for.

Description

A arm is put to side for 3D sand mould is printed

Technical Field

The utility model belongs to sand mould 3D printing apparatus field especially relates to a side arm for 3D sand mould is printed.

Background

The sand mold 3D printing is to print by using a microdrop spraying technology in a mode of paving sand firstly and then selectively spraying fluid with viscosity to a sand surface, so that casting sand is bonded with each other to form a part section, then the process of paving sand and spraying a binder is continuously circulated, and finally a region sprayed with the fluid is bonded to form a three-dimensional sand mold due to drying of the fluid, so that the rapid additive manufacturing of the sand mold for casting is realized.

When the existing 3D sand mold printer is used for printing, a sliding framework is generally arranged at the top of a sand box, and a sliding spray head is arranged on a sliding mechanism, so that repeated printing work is realized; however, in the printing mode, the gravel floating mechanism needs to operate in sequence, judgment is needed, floating operation is performed firstly, spraying operation is performed secondly, printing efficiency is low, control is not suitable, and control is complicated.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model aims to provide a side arm for 3D sand mould is printed puts the arm through the side that sets up, drives and prints the shower nozzle and print, has avoided printing through common slide rail with floating mechanism, has promoted printing efficiency, the control of being convenient for.

The utility model provides a following technical scheme:

a side arm for 3D sand mould is printed, includes: a base and a main arm; a main arm is connected above the base, and a controller is arranged at the other end of the main arm and controls the operation of the mechanical arm; the other end of the main arm is also connected with a first rotating block, the first rotating block is connected with a first motor, and the first rotating block is driven by the first motor; the other end of the first rotating block is connected with a second rotating block, the second brick block is connected with a second motor, and the second rotating block is driven by the second motor; the other end of the second rotating block is connected with a large arm, the other end of the large arm is provided with a control box, and the control box controls a printing nozzle to print; the other end of the big arm is also connected with a small arm; the other end of the small arm is rotatably connected with a connecting arm through a pin shaft, and the other end of the connecting arm is connected with a printing nozzle.

Preferably, a printing mechanism is arranged in the printing nozzle and comprises a storage bin, and the storage bin is arranged above the inside of the printing nozzle; the lower part of the storage bin is connected with a material guide pipe, the material guide pipe is provided with a valve, and the other end of the material guide pipe is connected with a material distributing barrel.

Preferably, a third motor is arranged on the side wall of the printing nozzle, an output shaft of the third motor is connected with a worm, the worm is correspondingly provided with two worm gears in a matching manner, rotating shafts are connected below the two worm gears, and the rotating shafts extend into the material separating barrel; and the rotating shaft is provided with a helical blade.

Preferably, the material guide pipes are of a herringbone structure, and the discharge ends of the material guide pipes are connected with the material distributing barrel.

Preferably, a material distribution bin is connected below the material distribution barrel, the interior of the material distribution bin is of a hollow structure, a uniform distribution cavity is formed in the material distribution bin, a material discharge plate is arranged at the bottom of the material distribution bin, and a plurality of circular holes are formed in the material discharge plate; the discharge plate is a discharge port of the printing nozzle.

Preferably, the large arm is rotatably connected with the main arm in the horizontal direction through a first rotating block.

Preferably, the large arm is connected with the main arm in a rotating mode in the vertical direction through a second rotating block.

Preferably, the other end of the worm is rotatably connected with the inner wall of the printing spray head through a bearing.

Preferably, the controller can control the large arm to drive the first rotating block to rotate in the horizontal direction through the first motor, so as to adjust the angle; the controller can control the big arm to drive the second rotating block to rotate in the vertical direction through the second motor, and the height of the printing nozzle is further adjusted.

Preferably, the bottom of the material distribution barrel is communicated with the material distribution bin, so that the printed coating is uniformly distributed in the material distribution cavity.

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

(1) the utility model relates to a side arm for 3D sand mould is printed puts the arm through the side that sets up, drives and prints the shower nozzle and print, has avoided printing through common slide rail with floating mechanism, has promoted printing efficiency, the control of being convenient for.

(2) The utility model relates to a side arm for 3D sand mould printing, simple structure, small, when printing the operation, the quick replacement of being convenient for has improved the efficiency of changing the arm greatly, has further promoted printing efficiency; the maintenance is convenient, and the later use cost is reduced; can the different 3D sand mould printer of adaptation, further increase application scope.

(3) The utility model relates to a side arm for 3D sand mould is printed, through the printing mechanism who sets up in printing the shower nozzle, drive through worm wheel and worm mechanism and print coating and convey the equipartition chamber through the feed divider, the rethread divides the flitch output to print, prevents to block up on the one hand, and on the other hand has effectively increased the area of contact who prints adhesive and printing material through equipartition chamber and play flitch, promotes the homogeneity of printing, promotes holistic printing quality.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a front view of the present invention.

Fig. 3 is a side view of the present invention.

Fig. 4 is a schematic diagram of the internal structure of the print head according to the present invention.

Fig. 5 is a schematic view of the discharge plate structure of the present invention.

In the figure: 1. a base; 2. a main arm; 3. a controller; 4. a first rotating block; 5. a first motor; 6. a second rotating block; 7. a second motor; 8. a large arm; 9. a control box; 10. a small arm; 11. a connecting arm; 12. printing a spray head; 13. a storage bin; 14. a third motor; 15. a material guide pipe; 16. a valve; 17. a worm gear; 18. a rotating shaft; 19. a helical blade; 20. a material distributing bin; 21. a uniform cavity; 22. a discharge plate; 23. a worm; 24. a material separating barrel.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention will be combined to clearly and completely describe the technical solutions of the embodiments of the present invention. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example one

As shown in fig. 1-3, a side robot for 3D sand mold printing, comprising: a base 1 and a main arm 2; a main arm 2 is connected above the base 1, a controller 3 is arranged at the other end of the main arm 2, and the controller 3 controls the operation of the mechanical arm; the other end of the main arm 2 is also connected with a first rotating block 4, the first rotating block 4 is connected with a first motor 5, and the first rotating block 4 is driven by the first motor 5; the other end of the first rotating block 4 is connected with a second rotating block 6, the second brick is connected with a second motor 7, and the second rotating block 6 is driven by the second motor 7; the other end of the second rotating block 6 is connected with a large arm 8, the other end of the large arm 8 is provided with a control box 9, and the control box 9 controls a printing nozzle 12 to print; the other end of the big arm 8 is also connected with a small arm 10; the other end of the small arm 10 is rotatably connected with a connecting arm 11 through a pin shaft, and the other end of the connecting arm 11 is connected with a printing nozzle 12.

The large arm 8 is connected with the main arm 2 in a rotating mode in the horizontal direction through the arranged first rotating block 4; the large arm 8 is connected with the main arm 2 in a rotating mode in the vertical direction through the second rotating block 6; the other end of the worm 23 is rotatably connected with the inner wall of the printing spray head 12 through a bearing; the controller 3 can control the large arm 8 to drive the first rotating block 4 to rotate in the horizontal direction through the first motor 5, so that the angle is adjusted; the controller 3 can control the large arm 8 to drive the second rotating block 6 to rotate in the vertical direction through the second motor 7, and further adjust the height of the printing nozzle 12; the bottom of the material distributing barrel 24 is communicated with the material distributing bin 20, so that the printed coating is uniformly distributed in the material distributing cavity 21.

Example two

As shown in fig. 4 and 5, on the basis of the first embodiment, a printing mechanism is arranged inside the printing head 12, the printing mechanism includes a storage bin 13, and the storage bin 13 is arranged above the inside of the printing head 12; a material guide pipe 15 is connected below the storage bin 13, a valve 16 is arranged on the material guide pipe 15, and a material distributing barrel 24 is connected to the other end of the material guide pipe 15; a third motor 14 is arranged on the side wall of the printing spray head 12, an output shaft of the third motor 14 is connected with a worm 23, the worm 23 is correspondingly provided with two worm wheels 17 in a matching manner, a rotating shaft 18 is connected below each of the two worm wheels 17, and the rotating shaft 18 extends into a material separating barrel 24; the rotating shaft 18 is provided with a helical blade 19; the material guide pipes 15 are of a herringbone structure, and the discharge ends of the material guide pipes 15 are connected with the material distributing barrel 24; a material distribution bin 20 is connected below the material distribution barrel 24, the interior of the material distribution bin 20 is of a hollow structure, a material distribution cavity 21 is formed in the material distribution bin 20, a material discharge plate 22 is arranged at the bottom of the material distribution bin 20, and a plurality of circular holes are formed in the material discharge plate 22; the discharge plate 22 is a discharge port of the print head 12.

The device obtained by the technical scheme is a side mechanical arm for 3D sand mold printing, and the printing nozzle 12 is driven to print through the arranged side mechanical arm, so that printing through a common sliding rail with a floating mechanism is avoided, the printing efficiency is improved, and the control is convenient; the printing machine is simple in structure and small in size, and is convenient to replace quickly when printing operation is carried out, so that the efficiency of replacing the mechanical arm is greatly improved, and the printing efficiency is further improved; the maintenance is convenient, and the later use cost is reduced; the method can be adapted to different 3D sand printers, and the application range is further increased; through the printing mechanism who sets up in printing shower nozzle 12, drive through worm wheel 17 and worm 23 mechanism and print coating and convey equipartition chamber 21 through feed divider 24, the rethread divides flitch output to print, prevents to block up on the one hand, and on the other hand has effectively increased the area of contact who prints adhesive and printing material through equipartition chamber 21 and play flitch 22, promotes the homogeneity of printing, promotes holistic printing quality.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art; any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A side arm for 3D sand mould is printed, includes: a base (1) and a main arm (2); the mechanical arm is characterized in that a main arm (2) is connected above the base (1), a controller (3) is arranged at the other end of the main arm (2), and the controller (3) controls the operation of the mechanical arm; the other end of the main arm (2) is also connected with a first rotating block (4), the first rotating block (4) is connected with a first motor (5), and the first rotating block (4) is driven by the first motor (5); the other end of the first rotating block (4) is connected with a second rotating block (6), the second brick is connected with a second motor (7), and the second rotating block (6) is driven by the second motor (7); the other end of the second rotating block (6) is connected with a large arm (8), the other end of the large arm (8) is provided with a control box (9), and the control box (9) controls a printing nozzle (12) to print; the other end of the big arm (8) is also connected with a small arm (10); the other end of forearm (10) is connected with linking arm (11) through the round pin axle rotation, the other end of linking arm (11) is connected with prints shower nozzle (12).

2. The side mechanical arm for 3D sand mold printing according to claim 1, wherein a printing mechanism is arranged inside the printing nozzle (12), the printing mechanism comprises a storage bin (13), and the storage bin (13) is arranged above the inside of the printing nozzle (12); the material guide pipe (15) is connected to the lower portion of the storage bin (13), the valve (16) is arranged on the material guide pipe (15), and the material distributing barrel (24) is connected to the other end of the material guide pipe (15).

3. The side mechanical arm for 3D sand mold printing according to claim 2, wherein a third motor (14) is arranged on the side wall of the printing nozzle (12), an output shaft of the third motor (14) is connected with a worm (23), the worm (23) is correspondingly provided with two worm gears (17) in a matching manner, a rotating shaft (18) is connected below each of the two worm gears (17), and the rotating shaft (18) extends into the material separating barrel (24); the rotating shaft (18) is provided with a helical blade (19).

4. The side mechanical arm for 3D sand mold printing according to claim 2, wherein the material guide pipe (15) is of a herringbone structure, and the discharge end of the material guide pipe (15) is connected with the material distributing cylinder (24).

5. The side mechanical arm for 3D sand mold printing according to claim 2, wherein a material distribution bin (20) is connected below the material distribution bin (24), the interior of the material distribution bin (20) is of a hollow structure, a uniform distribution cavity (21) is arranged inside the material distribution bin (20), a material discharge plate (22) is arranged at the bottom of the material distribution bin (20), and a plurality of round holes are formed in the material discharge plate (22); the discharge plate (22) is a discharge port of the printing nozzle (12).

6. The laterally arranged mechanical arm for 3D sand mould printing according to claim 1 is characterized in that the large arm (8) is rotatably connected with the main arm (2) in the horizontal direction through the arranged first rotating block (4).

7. The laterally arranged mechanical arm for 3D sand mould printing according to claim 1 is characterized in that the large arm (8) is rotatably connected with the main arm (2) in the vertical direction through a second rotating block (6).