CN214395440U - Multi-nozzle 3D printing equipment - Google Patents

Abstract

The utility model discloses a multi-nozzle 3D printing apparatus relates to printing apparatus technical field, including fixed cover, the middle part through connection of fixed cover has the conveying pipeline, conveying pipeline and fixed cover fixed connection, and the lower terminal surface of conveying pipeline flushes with the lower terminal surface of fixed cover, and a side upper end fixedly connected with fixed plate of fixed cover, the lower surface slope of fixed plate sets up, and the lower fixed surface of fixed plate is connected with driving motor, the one end fixedly connected with loose axle of driving motor's pivot, and the position sleeve has been cup jointed through the bearing activity in the middle part outside of loose axle. The utility model discloses an at the one end fixedly connected with circular slab of loose axle, the annular slab has been cup jointed in the outside of circular slab, and the upper surface week side through connection of annular slab has the nozzle body of a plurality of different bores, can communicate the inner chamber of the nozzle body of different bores with the inner chamber of conveying pipeline through rotating the annular slab, and is more convenient during consequently the use.

Description

Multi-nozzle 3D printing equipment

Technical Field

The utility model relates to a printing apparatus technical field, in particular to multinozzle 3D printing apparatus.

Background

At present, an ABS plastic wire is generally adopted by a 3D printer based on an FDM type as a printing forming material, a spray head and a spray nozzle are indispensable parts, the material is heated and melted in the spray head, the bottom of the spray head is provided with the spray nozzle for extruding the melted material at a certain pressure, the spray head extrudes the material when moving along the section outline and the filling track of the part, the material is bonded with the previous layer and is rapidly solidified in the air, and the process is repeated so as to obtain the solid part.

However, in the existing 3D printing apparatus, only one nozzle is usually arranged on the head, and the entire head needs to be replaced for nozzles with different apertures required for producing different products, which is very inconvenient. Therefore, it is necessary to invent a multi-nozzle 3D printing apparatus to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a multinozzle 3D printing apparatus 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: a multi-nozzle 3D printing device comprises a fixing sleeve, wherein a conveying pipe is connected to the middle of the fixing sleeve in a penetrating manner, the conveying pipe is fixedly connected with the fixing sleeve, the lower end face of the conveying pipe is flush with the lower end face of the fixing sleeve, a fixing plate is fixedly connected to the upper end of one side face of the fixing sleeve, the lower surface of the fixing plate is inclined, a driving motor is fixedly connected to the lower surface of the fixing plate, a movable shaft is fixedly connected to one end of a rotating shaft of the driving motor, a positioning sleeve is sleeved on the outer side of the middle of the movable shaft through a bearing, one end of the positioning sleeve is fixedly connected to the middle of one side face of the fixing sleeve through a support, a circular plate is arranged at one end of the movable shaft, one end of the movable shaft is fixedly connected to the middle of the upper surface of the circular plate, an annular plate is fixedly connected to the outer side of the circular plate, and a plurality of nozzle bodies distributed in an annular array are connected to the upper surface of the annular plate in a penetrating manner, the nozzle body is movably connected with the annular plate, and the upper end face of the nozzle body is flush with the upper surface of the annular plate.

Preferably, the side of the annular plate is provided with a plurality of sliding holes distributed in an annular array, and the inner cavity of each sliding hole is provided with a positioning block matched with the corresponding sliding hole.

Preferably, a positioning groove is annularly formed in the upper end of the outer side wall of the nozzle body, one end of the positioning block penetrates through the inner wall of one side of the sliding hole and extends to an inner cavity of the positioning groove, and one end of the positioning block is matched with the inner cavity of the positioning groove.

Preferably, the middle part of the other end face of the positioning block is movably inserted with a threaded rod through a bearing, and one end of the threaded rod penetrates through the inner wall of the other end of the sliding hole through threads and extends to the outer side of the annular plate.

Preferably, the inner walls of the upper end and the lower end of the sliding hole are provided with limiting sliding grooves, the inner cavity of each limiting sliding groove is provided with a limiting sliding block matched with the limiting sliding groove, and the limiting sliding blocks are fixedly connected with the other end of the outer side wall of the positioning block.

Preferably, the upper surface of the annular plate is in fit connection with the lower end surface of the fixed sleeve, and a sealing ring is connected at the fit connection position of the lower end surface of the fixed sleeve and the upper surface of the annular plate in a bonding manner.

The utility model discloses a technological effect and advantage:

1. the utility model has the advantages that the circular plate is fixedly connected at one end of the movable shaft, the annular plate is sleeved outside the circular plate, the nozzle bodies with different calibers are connected on the periphery of the upper surface of the annular plate in a penetrating way, and the inner cavities of the nozzle bodies with different calibers can be communicated with the inner cavity of the conveying pipeline by rotating the annular plate, so that the use is more convenient;

2. the utility model discloses an inner chamber at the slide opening is provided with the locating piece, and positioning groove has been seted up to the lateral wall annular of nozzle body, and the threaded rod is pegged graft through the bearing activity to the other end of locating piece, through twisting the threaded rod drive the locating piece slide and with positioning groove's inner chamber separation, can dismantle the nozzle body, consequently this device is convenient for install the nozzle body more.

Drawings

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

Fig. 2 is a schematic top view of the circular plate structure of the present invention.

Fig. 3 is an enlarged schematic view of a structure shown in fig. 1 according to the present invention.

In the figure: 1. fixing a sleeve; 2. a delivery pipe; 3. a fixing plate; 4. a drive motor; 5. a movable shaft; 6. a positioning sleeve; 7. a circular plate; 8. an annular plate; 9. a nozzle body; 91. a positioning groove; 10. a slide hole; 11. positioning blocks; 12. a threaded rod; 13. a limiting chute; 14. a limiting slide block; 15. and (5) sealing rings.

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.

The utility model provides a multi-nozzle 3D printing device as shown in figures 1-3, as shown in figures 1 and 2, the multi-nozzle 3D printing device comprises a fixed sleeve 1, a material conveying pipe 2 is connected in the middle of the fixed sleeve 1 in a penetrating way, the material conveying pipe 2 is fixedly connected with the fixed sleeve 1, the lower end surface of the material conveying pipe 2 is flush with the lower end surface of the fixed sleeve 1, a fixed plate 3 is fixedly connected with the upper end of one side surface of the fixed sleeve 1, the lower surface of the fixed plate 3 is inclined, a driving motor 4 is fixedly connected with the lower surface of the fixed plate 3, one end of a rotating shaft of the driving motor 4 is fixedly connected with a movable shaft 5, the driving motor 4 can drive the movable shaft 5 to rotate when working, a positioning sleeve 6 is sleeved outside the middle part of the movable shaft 5 through a bearing activity, one end of the positioning sleeve 6 is fixedly connected with the middle part of one side surface of the fixed sleeve 1 through a bracket, the positioning sleeve 6 plays a supporting and positioning role for the movable shaft 5, one end of loose axle 5 is provided with circular slab 7, the one end of loose axle 5 and the upper surface middle part fixed connection of circular slab 7, loose axle 5 and circular slab 7's upper surface vertical, consequently, circular slab 7 inclines to be placed, circular slab 7's the fixed annular plate 8 that has cup jointed in outside, contained angle between the upper surface of annular plate 8 and the upper surface of circular slab 7 is the obtuse angle, consequently, the week side undermost end position of annular plate 8 upper surface can with the horizontal plane parallel and level, can be with the lower terminal surface parallel and level of fixed cover 1 promptly, the upper surface through connection of annular plate 8 has a plurality of nozzle bodies 9 that are annular array and distribute, nozzle body 9 and 8 swing joint of annular plate, the up end of nozzle body 9 flushes with the upper surface of annular plate 8.

As shown in fig. 3, a plurality of sliding holes 10 distributed in an annular array are formed in a side surface of the annular plate 8, a positioning block 11 matched with the sliding holes 10 is arranged in an inner cavity of the sliding hole 10, the positioning block 11 can slide in the inner cavity of the sliding hole 10, a positioning groove 91 is annularly formed in the upper end of the outer side wall of the nozzle body 9, one end of the positioning block 11 penetrates through the inner wall of one side of the sliding hole 10 and extends to the inner cavity of the positioning groove 91, one end of the positioning block 11 is matched with the inner cavity of the positioning groove 91, one end of the positioning block 11 is inserted into the inner cavity of the positioning groove 91, so that the nozzle body 9 can be positioned, thereby preventing the nozzle body 9 and the annular plate 8 from sliding relatively, a threaded rod 12 is movably inserted in the middle of the other end surface of the positioning block 11 through a bearing, one end of the threaded rod 12 penetrates through the inner wall of the other end of the sliding hole 10 and extends to the outer side of the annular plate 8 through a thread, so that the positioning block 11 can be driven to slide in the inner cavity of the sliding hole 10 by screwing the threaded rod 12, spacing spout 13 has all been seted up to the upper and lower both ends inner wall of slide opening 10, spacing spout 13's inner chamber is provided with the spacing slider 14 with spacing spout 13 looks adaptation, spacing slider 14 and the lateral wall other end fixed connection of locating piece 11, spacing slider 14 can carry on spacingly to the slip of locating piece 11, avoid locating piece 11 and slide opening 10 to take place to separate, the upper surface of annular plate 8 and the lower terminal surface laminating of fixed cover 1 are connected, the lower terminal surface of fixed cover 1 and the upper surface laminating junction bonding connection of annular plate 8 have sealing washer 15, it makes the lower extreme of conveying pipeline 2 align with the upper end of nozzle body 9 to rotate annular plate 8, can communicate the inner chamber of conveying pipeline 2 with the inner chamber of nozzle body 9, the setting of sealing washer 15 can improve the leakproofness between conveying pipeline 2 and the nozzle body 9, thereby avoid the material to take place to leak.

The utility model discloses the theory of operation:

when the device is used, the nozzle body 9 is connected with the jack on the annular plate 8 in a penetrating way, then the threaded rod 12 is screwed to drive the positioning block 11 to slide in the inner cavity of the sliding hole 10 until one end of the positioning block 11 is inserted into the inner cavity of the positioning groove 91, the nozzle body 9 can be positioned, and the nozzle bodies 9 with different calibers can be installed on the periphery side of the upper surface of the annular plate 8 by repeating the steps;

then the driving motor 4 is started, the driving motor 4 works to drive the movable shaft 5 to rotate, further the circular plate 7 and the annular plate 8 are driven to rotate, the nozzle body 9 with the proper caliber is rotated to be right below the material conveying pipe 2, at the moment, the inner cavity of the nozzle body 9 is communicated with the inner cavity of the material conveying pipe 2, and the molten material enters the inner cavity of the nozzle body 9 through the material conveying pipe 2 and can be sprayed out from the lower end of the nozzle body 9.

Finally, it should be noted that: 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 and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims (6)

1. The utility model provides a multinozzle 3D printing apparatus, includes fixed cover (1), its characterized in that: the middle part of fixed cover (1) runs through and is connected with conveying pipeline (2), conveying pipeline (2) and fixed cover (1) fixed connection, the lower terminal surface of conveying pipeline (2) flushes with the lower terminal surface of fixed cover (1), a fixed plate (3) is fixedly connected with on one side of fixed cover (1), the lower surface slope of fixed plate (3) sets up, the lower fixed surface of fixed plate (3) is connected with driving motor (4), one end fixedly connected with loose axle (5) of the pivot of driving motor (4), the middle part outside of loose axle (5) has cup jointed position sleeve (6) through the bearing activity, the one end of position sleeve (6) passes through support and a side middle part fixed connection of fixed cover (1), the one end of loose axle (5) is provided with circular slab (7), the one end of loose axle (5) and the upper surface middle part fixed connection of circular slab (7), the fixed cover in the outside of circular slab (7) has connect annular plate (8), the upper surface through connection of annular plate (8) has a plurality of nozzle bodies (9) that are the annular array and distribute, nozzle body (9) and annular plate (8) swing joint, the up end of nozzle body (9) flushes with the upper surface of annular plate (8).

2. A multi-nozzle 3D printing apparatus according to claim 1, characterized in that: the side of the annular plate (8) is provided with a plurality of sliding holes (10) distributed in an annular array, and the inner cavity of each sliding hole (10) is provided with a positioning block (11) matched with the corresponding sliding hole (10).

3. A multi-nozzle 3D printing apparatus according to claim 2, characterized in that: positioning groove (91) have been seted up to the lateral wall upper end annular of nozzle body (9), the inner chamber of one side inner wall of slide opening (10) and extension to positioning groove (91) is run through to the one end of locating piece (11), the one end of locating piece (11) and the inner chamber looks adaptation of positioning groove (91).

4. A multi-nozzle 3D printing apparatus according to claim 3, characterized in that: the middle part of the other end face of the positioning block (11) is movably inserted with a threaded rod (12) through a bearing, and one end of the threaded rod (12) penetrates through the inner wall of the other end of the sliding hole (10) through threads and extends to the outer side of the annular plate (8).

5. The multi-nozzle 3D printing device according to claim 4, characterized in that: the inner walls of the upper end and the lower end of the sliding hole (10) are provided with limiting sliding grooves (13), the inner cavity of each limiting sliding groove (13) is provided with a limiting sliding block (14) matched with the corresponding limiting sliding groove (13), and the limiting sliding block (14) is fixedly connected with the other end of the outer side wall of the positioning block (11).

6. A multi-nozzle 3D printing apparatus according to claim 5, characterized in that: the upper surface of the annular plate (8) is in fit connection with the lower end surface of the fixed sleeve (1), and a sealing ring (15) is connected at the fit connection position of the lower end surface of the fixed sleeve (1) and the upper surface of the annular plate (8) in a bonding manner.

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