CN217703985U - Material mixing device for 3D concrete printer - Google Patents

Abstract

The utility model discloses a material mixing arrangement for 3D concrete printer, including the compounding bucket, the outside vertical three fixed bolsters of being fixed with of compounding bucket, the top of compounding bucket one side is fixed with the raceway, one side of compounding bucket top front end is fixed with the pan feeding mouth, the intermediate position department on compounding bucket top is provided with the seat that goes up and down. This material mixing arrangement for 3D concrete printer passes through the device and can open after the in-process that uses through the top with the compounding bucket, take out pivot and (mixing) shaft from the inside of compounding bucket, and can utilize the fixed lower flange in top and the last flange of pivot bottom mounting with the (mixing) shaft, after four groups of dismouting bolts are unscrewed from fixation nut's inside respectively and are dismantled, can separate the dismantlement between (mixing) shaft and the pivot, be convenient for maintain the replacement clearance to the (mixing) shaft, the problem of being not convenient for carry out the dismouting to the inside compounding subassembly of device has been solved.

Description

Material mixing device for 3D concrete printer

Technical Field

The utility model relates to a 3D concrete printing technical field specifically is a material mixing arrangement for 3D concrete printer.

Background

3D concrete printing is with the concrete as the material, the mode that utilizes the successive layer to print according to digital model's overall dimension constructs the rapid prototyping technique of three-dimensional object, 3D concrete printing device need use mixing arrangement to mix the stirring to the concrete when using, but some mixing arrangement still exist some not enough at the in-process that uses for some current 3D concrete printing machine, for example, inconvenient carry out abundant stirring to the inside concrete of device, be not convenient for wash the clearance to the device inside after the use, and also be not convenient for carry out the dismouting to the inside stirring subassembly of device.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a material mixing device for 3D concrete printer to propose inconvenient problem of carrying out abundant stirring to the inside concrete of device in solving above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a material mixing arrangement for 3D concrete printer, includes the compounding bucket, the vertical three fixed bolsters of group that are fixed with in outside of compounding bucket, the top of compounding bucket one side is fixed with the raceway, one side of compounding bucket top front end is fixed with the pan feeding mouth, the intermediate position department on compounding bucket top is provided with the lift seat, the vertical roof-rack that is fixed with in top of compounding bucket, the top of lift seat is fixed with driving motor, the vertical swing joint in bottom of lift seat has the pivot, the inside bottom of compounding bucket is provided with the (mixing) shaft, the top of (mixing) shaft is fixed with down flange, the bottom mounting of compounding bucket has the bin outlet.

Preferably, the both sides on the inside top of roof-rack vertical swing joint respectively have the screw rod, the outside bottom of screw rod is provided with the connecting seat, the top of screw rod runs through the inside of roof-rack and is fixed with first helical gear, the inside horizontal swing joint on roof-rack top has the connecting rod, the outside both sides of connecting rod are fixed with the second helical gear respectively, the top of the outside one side of roof-rack is fixed with servo motor.

Preferably, the output shaft of the servo motor is fixedly connected with one side of the connecting rod through a coupler, the first helical gear and the second helical gear are meshed, external threads are arranged outside the screw rod, internal threads matched with the external threads are arranged inside the connecting seat, and the bottom end of the connecting seat is fixedly connected with the top end of the lifting seat.

Preferably, the inside top of compounding bucket is fixed with annular aqua storage tank, the inboard annular equidistant multiunit shower nozzle that is fixed with of annular aqua storage tank, be provided with the ooff valve on the raceway, one side of raceway is fixed with the fixing base, the inside of fixing base one side is provided with the screw hole, one side of fixing base is provided with the sliding seat, the inside of sliding seat is provided with the filter screen, one side of sliding seat is fixed with the connecting block, and the outside of connecting block is provided with the external screw thread.

Preferably, one side of the water conveying pipe penetrates through one side of the mixing barrel and is communicated with the inside of the annular water storage tank, and the other side of the water conveying pipe is communicated with the inside of the fixed seat.

Preferably, the bottom mounting of pivot has last flange, the both sides and the both ends at last flange top are provided with the dismouting bolt respectively, the both sides and the both ends of flange bottom are fixed with fixation nut respectively down, the inside of flange and last flange is run through respectively to the bottom of dismouting bolt, flange and last flange's external diameter size is the same down.

Compared with the prior art, the beneficial effects of the utility model are that: the material mixing device for the 3D concrete printer not only realizes the full stirring and mixing of the concrete in the device, realizes the flushing and cleaning of the interior of the device after use, but also realizes the convenient disassembly and assembly of the stirring component in the device;

(1) By arranging the top frame, the connecting seat, the screw rod, the first bevel gear, the connecting rod, the second bevel gear and the servo motor, in the process of mixing and preparing printing materials by using the mixing device, after the materials are guided into the mixing barrel through the inside of the feeding port, the rotating shaft and the stirring shaft are driven to rotate inside the mixing barrel through the starting of the driving motor, the materials inside the mixing barrel are mixed and stirred, meanwhile, the output shaft can be driven by the starting of the servo motor to drive the connecting rod to rotate, the second bevel gear fixed on two outer sides can be driven to rotate simultaneously through the rotation of the connecting rod, the first bevel gear connected in a meshing manner can be driven to rotate through the rotation of the second bevel gear, the fixed screw rod is driven to rotate through the rotation of the first bevel gear, the screw rod can drive the connecting seat in threaded connection and the lifting seat fixed at the bottom end of the connecting seat to ascend, and simultaneously drive the rotating shaft and the stirring shaft fixed at the bottom end of the rotating shaft to ascend and descend inside the mixing barrel, and uniformly mix and stir the materials at the top end and the bottom end inside the mixing barrel through the forward and backward rotation of the lifting seat driven by the rotation of the servo motor;

(2) The device is provided with an annular water storage tank, a water delivery pipe, a movable seat, a fixed seat, a switch valve, a threaded hole, a connecting block and a filter screen, the device is used for mixing and processing printed materials, and after the materials are led out by utilizing a discharge port, water can be supplied to the inside of the water delivery pipe after one side of the movable seat is connected into an external water supply pipe on one side of a mixing barrel, the switch valve is opened at the same time, after the water is led into the annular water storage tank at the top end of the inside of the mixing barrel, cleaning water is sprayed out inside the mixing barrel by utilizing a plurality of groups of nozzles arranged at equal intervals in an inner annular shape to clean the inside of the device, meanwhile, the filter screen is arranged inside the movable seat, the filter screen can filter impurity particles and the like in the water to reduce the blockage inside of the nozzles, and the movable seat can be detached by utilizing the connecting block and the threaded hole to clean the inside filter screen;

(3) Through being provided with flange down, fixation nut, go up flange and dismouting bolt, the device can be through after opening the top with the compounding bucket at the in-process that uses, take out pivot and (mixing) shaft from the inside of compounding bucket, and can utilize the fixed flange down in top and the last flange of pivot bottom mounting with the (mixing) shaft, after screwing out the dismantlement from fixation nut's inside with four groups of dismouting bolts respectively, can be with carrying out separation and dismantlement between (mixing) shaft and the pivot, be convenient for maintain the replacement clearance to the (mixing) shaft.

Drawings

Fig. 1 is a schematic front view of a cross-sectional structure of the present invention;

fig. 2 is an enlarged partial cross-sectional view of the utility model at a in fig. 1;

fig. 3 is an enlarged schematic structural view of a front partial section of the water pipe of the present invention;

FIG. 4 is an enlarged schematic view of the top view of the nozzle of the present invention;

fig. 5 is an enlarged schematic view of the overlooking partial section of the upper connecting flange of the present invention.

In the figure: 1. fixing a bracket; 2. a mixing barrel; 3. an annular water storage tank; 4. a water delivery pipe; 5. a feeding port; 6. a lifting seat; 7. a top frame; 8. a connecting seat; 9. a drive motor; 10. a rotating shaft; 11. a lower connecting flange; 12. fixing a nut; 13. a stirring shaft; 14. a discharge outlet; 15. a screw; 16. a first helical gear; 17. a connecting rod; 18. a second helical gear; 19. a servo motor; 20. a movable seat; 21. a fixed seat; 22. an on-off valve; 23. a threaded hole; 24. connecting blocks; 25. filtering with a screen; 26. a spray head; 27. an upper connecting flange; 28. and (6) disassembling and assembling the bolts.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. 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 1: referring to fig. 1-5, a material mixing device for a 3D concrete printer comprises a mixing barrel 2, three groups of fixed supports 1 are vertically fixed outside the mixing barrel 2, a water delivery pipe 4 is fixed at the top end of one side of the mixing barrel 2, a material inlet 5 is fixed at one side of the front end of the top of the mixing barrel 2, a lifting seat 6 is arranged at the middle position of the top end of the mixing barrel 2, a top frame 7 is vertically fixed at the top end of the mixing barrel 2, a driving motor 9 is fixed at the top end of the lifting seat 6, a rotating shaft 10 is vertically and movably connected at the bottom end of the lifting seat 6, a stirring shaft 13 is arranged at the bottom end inside the mixing barrel 2, a lower connecting flange 11 is fixed at the top end of the stirring shaft 13, and a material outlet 14 is fixed at the bottom end of the mixing barrel 2;

two sides of the top end inside the top frame 7 are respectively and movably connected with a screw 15 in a vertical direction, the bottom outside the screw 15 is provided with a connecting seat 8, the top end of the screw 15 penetrates through the inside of the top frame 7 and is fixedly provided with a first helical gear 16, the inside of the top end of the top frame 7 is transversely and movably connected with a connecting rod 17, two sides of the outside of the connecting rod 17 are respectively and fixedly provided with a second helical gear 18, the top end of one side outside the top frame 7 is fixedly provided with a servo motor 19, an output shaft of the servo motor 19 is fixedly connected with one side of the connecting rod 17 through a coupler, the first helical gear 16 is meshed with the second helical gear 18, the outside of the screw 15 is provided with an external thread, an internal thread matched with the external thread is arranged inside the connecting seat 8, and the bottom end of the connecting seat 8 is fixedly connected with the top end of the lifting seat 6;

specifically, as shown in fig. 1 and fig. 2, in the process of mixing and preparing the printing material by using the mixing device, after the material is introduced into the mixing barrel 2 through the inside of the feeding port 5, the driving motor 9 is started to drive the rotating shaft 10 and the stirring shaft 13 to rotate inside the mixing barrel 2, the material inside the mixing barrel 2 is mixed and stirred, meanwhile, the output shaft can be started by the servo motor 19 to drive the connecting rod 17 to rotate, the connecting rod 17 can simultaneously drive the second bevel gears 18 fixed on two sides of the outside to rotate, the second bevel gears 18 can drive the first bevel gears 16 connected in a meshing manner to rotate, the first bevel gears 16 can drive the fixed screw 15 to rotate, the screw 15 can drive the connecting seat 8 connected in a threaded manner and the lifting seat 6 fixed at the bottom end of the connecting seat 8 to ascend, and simultaneously drive the rotating shaft 10 and the stirring shaft 13 fixed at the bottom end of the rotating shaft 10 to ascend inside the mixing barrel 2, and the lifting seat 6 can be driven by the forward and backward rotation of the servo motor 19 to ascend and descend to uniformly mix and stir the material at the top end and the bottom end inside the mixing barrel 2.

Example 2: an annular water storage tank 3 is fixed at the top end inside the mixing barrel 2, a plurality of groups of spray heads 26 are fixed on the inner side of the annular water storage tank 3 at equal intervals in an annular mode, a switch valve 22 is arranged on the water delivery pipe 4, a fixing seat 21 is fixed on one side of the water delivery pipe 4, a threaded hole 23 is formed in one side of the fixing seat 21, a movable seat 20 is arranged on one side of the fixing seat 21, a filter screen 25 is arranged inside the movable seat 20, a connecting block 24 is fixed on one side of the movable seat 20, external threads are arranged outside the connecting block 24, one side of the water delivery pipe 4 penetrates through one side of the mixing barrel 2 and is communicated with the inside of the annular water storage tank 3, and the other side of the water delivery pipe 4 is communicated with the inside of the fixing seat 21;

specifically, as shown in fig. 1, 3 and 4, after the printing material is mixed and processed by using the device and the material is discharged by using the discharge opening 14, the inside of the water pipe 4 can be supplied with water after one side of the movable seat 20 is connected to an external water supply pipe at one side of the mixing barrel 2 and the switch valve 22 is opened at the same time, after the water is introduced into the annular water storage tank 3 at the top end inside the mixing barrel 2, the inside of the device can be flushed and cleaned by spraying cleaning water inside the mixing barrel 2 through a plurality of groups of nozzles 26 arranged at equal intervals in an inner ring shape, the inside of the movable seat 20 is provided with the filter net 25, the blockage inside of the nozzles 26 can be reduced by filtering impurity particles and the like in the water, and the inside filter net 25 can be cleaned by detaching the movable seat 20 through the connecting block 24 and the threaded hole 23.

Example 3: an upper connecting flange 27 is fixed at the bottom end of the rotating shaft 10, dismounting bolts 28 are respectively arranged on two sides and two ends of the top of the upper connecting flange 27, fixing nuts 12 are respectively fixed on two sides and two ends of the bottom of the lower connecting flange 11, the bottom ends of the dismounting bolts 28 respectively penetrate through the interiors of the lower connecting flange 11 and the upper connecting flange 27, and the outer diameters of the lower connecting flange 11 and the upper connecting flange 27 are the same;

specifically, as shown in fig. 1 and 5, in the process of using the device, after the top end of the mixing barrel 2 is opened, the rotating shaft 10 and the stirring shaft 13 can be taken out from the inside of the mixing barrel 2, and after the stirring shaft 13 is screwed out and disassembled from the inside of the fixing nut 12 by using the lower connecting flange 11 fixed at the top end and the upper connecting flange 27 fixed at the bottom end of the rotating shaft 10, four sets of disassembling and assembling bolts 28 can be respectively screwed out and disassembled, so that the stirring shaft 13 can be separated, replaced and cleaned conveniently.

The working principle is as follows: when the utility model is used, in the process of mixing and preparing printing materials by using the mixing device, after the materials are guided into the mixing barrel 2 through the feeding port 5, the driving motor 9 is started to drive the rotating shaft 10 and the stirring shaft 13 to rotate in the mixing barrel 2, the materials in the mixing barrel 2 are mixed and stirred, meanwhile, the output shaft can be started by the servo motor 19 to drive the connecting rod 17 to rotate, the connecting rod 17 can simultaneously drive the second bevel gears 18 fixed on two outer sides to rotate, the second bevel gears 18 can drive the first bevel gears 16 connected in a meshing way to rotate, the first bevel gears 16 can drive the fixed screw 15 to rotate, the screw 15 can drive the connecting seat 8 connected with threads and the lifting seat 6 fixed at the bottom end of the connecting seat 8 to ascend, and simultaneously drives the rotating shaft 10 and the stirring shaft 13 fixed at the bottom end of the rotating shaft 10 to ascend in the mixing barrel 2, the ascending and descending seat 6 is driven by the positive and negative rotation of the servo motor 19 to ascend and descend so as to uniformly mix and stir the materials at the top end and the bottom end in the mixing barrel 2, simultaneously, the device is used for mixing and processing the printed materials, after the materials are led out by using the discharge port 14, water is supplied to the inside of the water delivery pipe 4 after one side of the movable seat 20 is connected to an external water supply pipe at one side of the mixing barrel 2, the switch valve 22 is opened simultaneously, after the water is led into the annular water storage tank 3 at the top end in the mixing barrel 2, the cleaning water is sprayed in the mixing barrel 2 by using a plurality of groups of nozzles 26 arranged at equal intervals in an inner side ring shape, meanwhile, the filter screen 25 is arranged in the movable seat 20 so as to filter impurity particles and the like in the water and reduce the blockage in the nozzles 26, and the inner screen 25 can be cleaned by detaching the movable base 20 using the connection block 24 and the screw hole 23.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (6)

1. The utility model provides a 3D is material mixing device for concrete printer, includes compounding bucket (2), its characterized in that: the outside vertical three fixed bolster (1) of being fixed with of compounding bucket (2), the top of compounding bucket (2) one side is fixed with raceway (4), one side of compounding bucket (2) top front end is fixed with pan feeding mouth (5), the intermediate position department on compounding bucket (2) top is provided with lift seat (6), the vertical roof-rack (7) that is fixed with in top of compounding bucket (2), the top of lift seat (6) is fixed with driving motor (9), the vertical swing joint in bottom of lift seat (6) has pivot (10), the inside bottom of compounding bucket (2) is provided with (mixing) shaft (13), the top of (mixing) shaft (13) is fixed with flange (11) down, the bottom mounting of compounding bucket (2) has bin outlet (14).

2. The material mixing device for the 3D concrete printer according to claim 1, wherein: the utility model discloses a pneumatic control device, including roof frame (7), top frame (7), vertical swing joint has screw rod (15) respectively in both sides on inside top, the outside bottom of screw rod (15) is provided with connecting seat (8), the inside of roof frame (7) is run through on the top of screw rod (15) and is fixed with first helical gear (16), the horizontal swing joint in inside on roof frame (7) top has connecting rod (17), the outside both sides of connecting rod (17) are fixed with second helical gear (18) respectively, the top of roof frame (7) outside one side is fixed with servo motor (19).

3. The material mixing device for the 3D concrete printer according to claim 2, wherein: the output shaft of servo motor (19) passes through one side fixed connection of shaft coupling and connecting rod (17), mesh mutually between first helical gear (16) and second helical gear (18), the outside of screw rod (15) is provided with the external screw thread, the inside of connecting seat (8) is provided with the internal thread with external screw thread matched with, fixed connection between the bottom of connecting seat (8) and the top of lift seat (6).

4. The material mixing device for the 3D concrete printer according to claim 1, wherein: the top of compounding bucket (2) inside is fixed with annular aqua storage tank (3), the inboard annular equidistant of annular aqua storage tank (3) is fixed with multiunit shower nozzle (26), be provided with ooff valve (22) on raceway (4), one side of raceway (4) is fixed with fixing base (21), the inside of fixing base (21) one side is provided with screw hole (23), one side of fixing base (21) is provided with sliding seat (20), the inside of sliding seat (20) is provided with filter screen (25), one side of sliding seat (20) is fixed with connecting block (24), and the outside of connecting block (24) is provided with the external screw thread.

5. The material mixing device for the 3D concrete printer according to claim 1, wherein: one side of the water delivery pipe (4) penetrates through one side of the mixing barrel (2) and is communicated with the inside of the annular water storage tank (3), and the other side of the water delivery pipe (4) is communicated with the inside of the fixing seat (21).

6. The material mixing device for the 3D concrete printer according to claim 1, wherein: the bottom mounting of pivot (10) has last flange (27), the both sides and the both ends at last flange (27) top are provided with dismouting bolt (28) respectively, both sides and both ends of flange (11) bottom are fixed with fixation nut (12) respectively down, the bottom of dismouting bolt (28) runs through the inside of flange (11) and last flange (27) down respectively, flange (11) and the external diameter size of last flange (27) are the same down.

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