CN210082422U

CN210082422U - 3D prints and extrudes shower nozzle

Info

Publication number: CN210082422U
Application number: CN201920733346.0U
Authority: CN
Inventors: 张晓刚; 文宏
Original assignee: Gansu Mechanical And Electrical Career Technical College (gansu Machinery Industry School Gansu Machinery Advanced Technical School)
Current assignee: Gansu Mechanical And Electrical Career Technical College (gansu Machinery Industry School Gansu Machinery Advanced Technical School)
Priority date: 2019-05-21
Filing date: 2019-05-21
Publication date: 2020-02-18
Anticipated expiration: 2029-05-21

Abstract

The utility model discloses a 3D prints extrusion nozzle includes the shell, the internally mounted of shell has the storage silo, the rotary bin is installed to the one end of storage silo, the discharge opening has been seted up to the bottom that the shell is close to rotary bin one end, the inside of discharge opening is provided with the stopper, first support is installed to one side of shell, driving motor is installed on the top of first support, driving motor's output passes the shell, and driving motor's output installs the carousel, the separation blade is evenly installed in the outside of carousel. The utility model discloses a mutually supporting of driving motor, carousel and separation blade is used, and driving motor is opened in control, and driving motor drives carousel and separation blade and is rotatory in the inside of shell, can extrude the printing material that falls into storage silo inside, reduces the clearance that printing material produced at reinforced in-process, has improved the shower nozzle and has sprayed the mixed quality of printing material mixture, has improved the printing effect.

Description

3D prints and extrudes shower nozzle

Technical Field

The utility model relates to a printer technical field specifically is a 3D prints and extrudes shower nozzle.

Background

The 3D printing technology is a three-dimensional forming technology which is based on a digital model file, uses materials such as powdered metal and plastic to perform layer-by-layer printing, and finally constructs and forms reality, the 3D printing technology is widely applied to the fields of mold manufacturing, industrial design and the like, and in a 3D printer, the quality of a printer nozzle during working directly influences the printing effect of the 3D printer.

Current 3D print head is because its project organization is simple, the shower nozzle is not carrying out extruded function to the printing material, when there is the space between the printing material, can cause the inhomogeneous wire drawing phenomenon that causes of shower nozzle spun material, influence the printing effect of printer, traditional 3D print head does not carry out the function of controlling to the velocity of flow when the shower nozzle ejection of compact, make the in-service use effect of shower nozzle relatively poor, current 3D print head can produce the bubble when heating the printing material, nevertheless because the function of shower nozzle is comparatively single, can't get rid of bubble wherein, the material effect of spouting of shower nozzle has been influenced, cause the influence to the printing effect of printer.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a 3D prints and extrudes shower nozzle to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: A3D printing extrusion nozzle comprises a shell, wherein a storage bin is arranged inside the shell, a rotating bin is arranged at one end of the storage bin, a discharge hole is formed in the bottom end, close to one end of the rotating bin, of the shell, a plug is arranged inside the discharge hole, a first support is arranged on one side of the shell, a driving motor is arranged at the top end of the first support, the output end of the driving motor penetrates through the shell, a turntable is arranged at the output end of the driving motor, blocking pieces are uniformly arranged on the outer side of the turntable, an extrusion bin is arranged at the bottom end of the shell, an electric heating pipe is arranged on the outer side of the extrusion bin, a second support is arranged at the bottom end inside the extrusion bin, a second telescopic sleeve is arranged at the top end of the second support, a first telescopic sleeve is arranged inside the second telescopic sleeve, and a first spring is arranged inside the first telescopic sleeve, the bottom end of the first spring is connected with the bottom end inside the second telescopic sleeve, the top end of the first spring is connected with the top end inside the first telescopic sleeve, the top end of the first telescopic sleeve is provided with a top plate, the bottom end of the extrusion bin is provided with a thread groove, a thread block is arranged inside the thread groove, the bottom of the thread block is provided with a connecting plate, the top end of the connecting plate is provided with two groups of blanking holes, the edge position of the connecting plate is provided with a chute, one end inside the chute, which is close to the second telescopic sleeve, is uniformly provided with a positioning hole, the inside of the chute is provided with a connecting block, the bottom end of the connecting block is provided with a discharging head, the inside of the connecting block is provided with a fixing hole, the inside of the fixing hole is provided with a fixing pin, the outside of the fixing pin is provided with, and the one end that the connecting block was kept away from to the second spring is connected with the fixed pin, two sets of blanking holes have just been seted up to blanking hole position department in play stub bar top, the discharge gate has been seted up to the bottom in blanking hole.

Preferably, a graduated scale is installed on one side of the shell, which is far away from the first support.

Preferably, the outer side of the discharging head is uniformly provided with radiating fins, and the radiating fins are uniformly provided with radiating holes inside.

Preferably, the pore size of the blanking hole is larger than the pore size of the maximum part of the blanking hole.

Preferably, the top plate has a trapezoidal cross-sectional shape.

Preferably, reinforcing ribs are uniformly arranged in the first bracket.

Compared with the prior art, the beneficial effects of the utility model are that: the 3D printing extrusion nozzle controls to open the driving motor through the mutual matching use of the driving motor, the rotary disc and the separation blade, the driving motor drives the rotary disc and the separation blade to rotate in the shell, so that the printing material falling into the storage bin can be extruded, the gap generated in the feeding process of the printing material is reduced, the mixing quality of the mixture of the printing material sprayed by the nozzle is improved, the printing effect is improved, the printing material falling into the extrusion bin can be heated through the mutual matching use of the extrusion bin, the top plate, the first spring and the electric heating pipe, the electric heating pipe is controlled to open, the printing material falling into the extrusion bin can be extruded to the upper part of the top plate under the pushing of the separation blade, bubbles generated when the printing material in the extrusion bin is heated can be extruded and removed, and when the extrusion pressure is greater than the elastic acting force of the first spring, the roof is opened, the inside printing material after the heating of extrusion storehouse falls into the blanking hole, obtain comparatively fine printing material, thereby the printing quality has been improved, through going out the stub bar, the fixed pin, the use of mutually supporting in locating hole and blanking hole, outwards take the fixed pin out, then rotatory stub bar, and select suitable locating hole, insert the fixed pin in the locating hole, can change the size of connect the through-hole between blanking hole and the blanking hole, thereby change the inside flow rate of printing material of device, the practicality of device has been improved.

Drawings

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

fig. 2 is a schematic front view of the present invention;

fig. 3 is a schematic side view of the present invention;

fig. 4 is an enlarged schematic view of the utility model at a;

fig. 5 is an enlarged schematic view of the utility model at the position B;

FIG. 6 is a schematic top view of the discharge head of the present invention;

fig. 7 is a schematic top sectional view of the connection plate of the present invention.

In the figure: 1. a housing; 2. a storage bin; 3. a turntable; 4. extruding the bin; 5. an electric heating tube; 6. a thread groove; 7. a connecting plate; 8. a discharge port; 9. discharging a stub bar; 10. a blanking hole; 11. a plug; 12. a discharge opening; 13. a baffle plate; 14. rotating the bin; 15. a graduated scale; 16. a heat sink; 17. a drive motor; 18. a first bracket; 19. a top plate; 20. a first telescopic sleeve; 21. a second telescopic sleeve; 22. a first spring; 23. a second bracket; 24. connecting blocks; 25. a thread block; 26. a chute; 27. positioning holes; 28. a fixing hole; 29. a second spring; 30. a fixing pin; 31. and (7) discharging holes.

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.

Referring to fig. 1-7, the present invention provides an embodiment: A3D printing extrusion nozzle comprises a shell 1, a storage bin 2 is installed inside the shell 1, a rotary bin 14 is installed at one end of the storage bin 2, a discharge hole 12 is formed in the bottom end, close to one end of the rotary bin 14, of the shell 1, a plug 11 is arranged inside the discharge hole 12, a first support 18 is installed on one side of the shell 1, a driving motor 17 is installed at the top end of the first support 18, the type of the driving motor 17 can be PDH160312, the output end of the driving motor 17 penetrates through the shell 1, a rotary disc 3 is installed at the output end of the driving motor 17, blocking pieces 13 are evenly installed on the outer side of the rotary disc 3, an extrusion bin 4 is installed at the bottom end of the shell 1, an electric heating pipe 5 is installed on the outer side of the extrusion bin 4, a second support 23 is installed at the bottom end inside the extrusion bin 4, a second telescopic sleeve 21 is installed at the top end of the second support 23, a first spring 22 is arranged inside the first telescopic sleeve 20, the bottom end of the first spring 22 is connected with the bottom end inside the second telescopic sleeve 21, the top end of the first spring 22 is connected with the top end inside the first telescopic sleeve 20, a top plate 19 is arranged at the top end of the first telescopic sleeve 20, a thread groove 6 is arranged at the bottom end of the extrusion bin 4, a thread block 25 is arranged inside the thread groove 6, a connecting plate 7 is arranged at the bottom of the thread block 25, two groups of blanking holes 31 are arranged at the top end of the connecting plate 7, a sliding groove 26 is arranged at the edge position of the connecting plate 7, positioning holes 27 are uniformly arranged at one end, close to the second telescopic sleeve 21, inside the sliding groove 26 is provided with a connecting block 24, a discharging head 9 is arranged at the bottom end of the connecting block 24, a fixing hole 28 is arranged inside the connecting block 24, a fixing pin 30 is arranged inside the fixing hole 28, and, one end of the second spring 29 is connected with the connecting block 24, one end of the second spring 29, which is far away from the connecting block 24, is connected with the fixing pin 30, the top end of the discharging head 9 is just opposite to the position of the discharging hole 31, and two groups of blanking holes 10 are arranged, and the bottom end of each blanking hole 10 is provided with a discharging hole 8.

In this implementation: shell 1 keeps away from one side of first support 18 and installs scale 15, use scale 15 can make the user clear understanding the in service behavior of consumptive material, fin 16 is evenly installed in the outside of discharge head 9, and the louvre has all evenly been seted up to fin 16's inside, the device heat dissipation can make printing consumptive material quick shaping when printing, the practicality of device has been improved, the aperture size in unloading hole 31 is greater than the aperture size of the biggest department in blanking hole 10, can ensure that the consumptive material gets into in blanking hole 10 through feed opening 31 smoothly, roof 19's cross sectional shape is trapezoidal, the gas tightness of device has been increased, the strengthening rib is evenly installed to the inside of first support 18, the security of device use has been increased.

The working principle is as follows: an external power supply, a driving motor 17 and an electric heating pipe 5 are controlled to be started, the driving motor 17 drives the rotary table 3 and the blocking sheet 13 to rotate, then printing materials are added into the storage bin 2, when the added printing materials fall onto the top end of the top plate 19, due to the elastic acting force of the first spring 22, the printing materials cannot enter the blanking hole 31, at the moment, the electric heating pipe 5 heats the printing materials falling onto the top of the top plate 19, the printing materials of the type are continuously added, when the added printing materials reach the bottom of the blocking sheet 13, the rotating blocking sheet 13 can press the printing materials to the top of the top plate 19, meanwhile, gaps generated when the printing materials are added can be reduced, the mixing quality of the printing materials is improved, when the pressure applied to the printing materials by the blocking sheet 13 is greater than the elastic acting force of the first spring 22, the top plate 19 is pushed downwards by the printing materials, at this time, the heated printing material in the extrusion bin 4 falls into the blanking hole 31 along the gap between the top plate 19 and the extrusion bin 4, meanwhile, due to the elastic action of the first spring 22, the top plate 19 is continuously jacked upwards, and because the downward pressure applied by the baffle 13 is combined with the upward pressure applied by the top plate 19, bubbles generated by the printing material when the electric heating tube 5 is heated can be removed, so that the heating mixing quality of the printing material is improved, then the printing material falling into the blanking hole 31 can sequentially flow out of the nozzle through the blanking hole 10 and the discharge hole 8, the spraying process of the whole nozzle is completed, when the spraying flow rate of the nozzle needs to be adjusted, the radiating fin 16 is held, then the fixing pin 30 is pulled out and rotates the radiating fin 16, then the proper positioning hole 27 is selected according to the size of the connecting through hole between the blanking hole 31 and the blanking hole 10, and the fixing pin 30 is inserted into the selected positioning hole 27, the position between the discharging head 9 and the connecting plate 7 can be fixed, and the size of the connecting through hole between the discharging hole 31 and the discharging hole 10 can be changed, so that the flow rate of printing materials in the device is changed, and the actual using effect of the device is enhanced.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a 3D prints extrusion nozzle, includes shell (1), its characterized in that: the improved rotary kiln is characterized in that a storage bin (2) is mounted inside the shell (1), a rotary bin (14) is mounted at one end of the storage bin (2), a discharge hole (12) is formed in the bottom end, close to one end of the rotary bin (14), of the shell (1), a plug (11) is arranged inside the discharge hole (12), a first support (18) is mounted on one side of the shell (1), a driving motor (17) is mounted at the top end of the first support (18), the output end of the driving motor (17) penetrates through the shell (1), a rotary table (3) is mounted at the output end of the driving motor (17), blocking pieces (13) are uniformly mounted on the outer side of the rotary table (3), an extrusion bin (4) is mounted at the bottom end of the shell (1), an electric heating pipe (5) is mounted on the outer side of the extrusion bin (4), and a second support (23) is mounted at the bottom, a second telescopic sleeve (21) is installed at the top end of the second support (23), a first telescopic sleeve (20) is arranged inside the second telescopic sleeve (21), a first spring (22) is arranged inside the first telescopic sleeve (20), the bottom end of the first spring (22) is connected with the bottom end inside the second telescopic sleeve (21), the top end of the first spring (22) is connected with the top end inside the first telescopic sleeve (20), a top plate (19) is installed at the top end of the first telescopic sleeve (20), a thread groove (6) is formed in the bottom end of the extrusion bin (4), a thread block (25) is installed inside the thread groove (6), a connecting plate (7) is installed at the bottom of the thread block (25), two groups of blanking holes (31) are formed in the top end of the connecting plate (7), a sliding groove (26) is formed in the edge position of the connecting plate (7), locating hole (27) have evenly been seted up to the inside one end that is close to second telescope tube (21) of spout (26), the inside of spout (26) is provided with connecting block (24), stub bar (9) are installed to the bottom of connecting block (24), fixed orifices (28) have been seted up to the inside of connecting block (24), the inside of fixed orifices (28) is provided with fixed pin (30), second spring (29) are installed in the outside of fixed pin (30), the one end and the connecting block (24) of second spring (29) are connected, and the one end that connecting block (24) were kept away from in second spring (29) is connected with fixed pin (30), two sets of blanking hole (10) have just been seted up to blanking hole (31) position department in stub bar (9) top, discharge gate (8) have been seted up to the bottom of blanking hole (10).

2. The 3D printing extrusion nozzle of claim 1, wherein: and a graduated scale (15) is arranged on one side of the shell (1) far away from the first support (18).

3. The 3D printing extrusion nozzle of claim 1, wherein: the outer side of the discharging head (9) is uniformly provided with radiating fins (16), and the radiating fins (16) are uniformly provided with radiating holes.

4. The 3D printing extrusion nozzle of claim 1, wherein: the aperture size of the blanking hole (31) is larger than that of the maximum position of the blanking hole (10).

5. The 3D printing extrusion nozzle of claim 1, wherein: the cross section of the top plate (19) is trapezoidal.

6. The 3D printing extrusion nozzle of claim 1, wherein: reinforcing ribs are uniformly arranged in the first support (18).