3D printing composite nozzle

Abstract

The utility model relates to the technical field of 3D printing equipment, and discloses a 3D printing composite spray head which comprises a spray head body, the top of the spray head body is fixedly connected with a fixing column, the interior of the fixing column is fixedly connected with a plurality of springs, the tops of the springs are all fixedly connected with sealing gaskets, the interior of the fixing column is fixedly connected with a fixing block, and the fixing block is fixedly connected with the fixing column. A sliding column is slidably connected into the fixed column, a clamping groove is formed in the sliding column, a driving assembly used for driving a part is arranged on the outer side of the spray head, the driving assembly comprises a plurality of electric sliding grooves, and the electric sliding grooves are formed in the outer side of the spray head; a sliding block is slidably connected into the electric sliding groove. According to the utility model, a worker can quickly complete the replacement of the spray head, so that the time is greatly saved, the use efficiency of the equipment is improved, and the advantage is particularly outstanding when the spray head needs to be frequently replaced to use different materials or carry out different types of printing tasks.

Description

TECHNICAL FIELD

[0001] The utility model relates to 3D printing equipment technical field especially relates to a 3D printing composite nozzle. BACKGROUND

[0002] 3D printing as rapid prototyping technology, with digital model as foundation, uses the material that can adhere layer by layer printing constructs object, is widely used in manufacturing, medical treatment, construction, education, consumer goods etc. field, has the advantage such as highly customized, can manufacture complex shape, shortens production cycle, saves material and can distributed production, and the composite nozzle in 3D printing is crucial, because it can break through the limitation of traditional single nozzle, through realizing material diversification (expanding performance boundary, satisfying special scene), manufacturing complex functional components (integrating multiple functions, realizing function gradient change) and improving production efficiency (reducing printing steps, optimizing printing path), satisfy the diversification demand of modern manufacturing industry to material, function and efficiency.

[0003] 3D printing composite nozzle generally by material delivery device, heating and mixing device, nozzle main body structure, control device etc. structure is composed, and 3D printing composite nozzle passes through material supply (storage selection and delivery drive), material processing (heating melting and mixing), material extrusion and forming (extrusion control and forming construction) and auxiliary function (cooling stabilization and real-time monitoring feedback) etc. Assembly cooperation, realizes the accurate extrusion and forming of multiple materials.

[0004] The existing part 3D printing composite nozzle can not be installed or disassembled quickly in the absence of tools, in the 3D printing process, the nozzle will appear blockage, wear and tear and other problems need timely cleaning or replacement.If the nozzle cannot be disassembled quickly without tools, tools need to be found and used to operate, which will prolong the downtime of the printer, reduce the overall printing efficiency, and have a greater impact on printing tasks with time requirements, and the maintenance time is longer, which means that the effective working time of the equipment is reduced, indirectly increasing the printing cost, and if the printing fails due to untimely maintenance, the used printing materials will also be wasted, further increasing the cost, therefore, a 3D printing composite nozzle is proposed to solve the above problems. UTILITY MODEL CONTENT

[0005] In order to make up for the above shortcomings, the utility model provides a kind of 3D printing composite nozzle, to improve the problem that cannot be installed or disassembled quickly in the absence of tools in prior art.

[0006] In order to realize the above purpose, the utility model adopts the following technical scheme:

[0007] A 3D printing composite nozzle, comprising a nozzle, a fixed column is fixedly connected to the top of the nozzle, a plurality of springs are fixedly connected to the inside of the fixed column, a sealing gasket is fixedly connected to the top of each of the plurality of springs, a fixed block is fixedly connected to the inside of the fixed column, a sliding column is slidingly connected to the inside of the fixed column, a clamping groove is formed in the inside of the sliding column, and a driving assembly for driving the parts is formed on the outside of the nozzle;

[0008] As a further description of the above technical solution:

[0009] The driving assembly comprises a plurality of electric sliding grooves, the electric sliding grooves are formed on the outside of the nozzle, a sliding block is slidingly connected to the inside of the electric sliding groove, a sliding ring is fixedly connected to the outside of the sliding block, a plurality of connecting blocks two are fixedly connected to the outside of the sliding ring, a driving plate is rotatably connected to the inside of each of the plurality of connecting blocks two, and an adjusting plate is rotatably connected to the end of the driving plate away from the connecting block two.

[0010] As a further description of the above technical solution:

[0011] The inside of the adjusting plate is fixedly connected with a silica gel shell, and the top of the silica gel shell is fixedly connected to the bottom of the nozzle.

[0012] As a further description of the above technical solution:

[0013] The end of the adjusting plate away from the silica gel shell is rotatably connected with a connecting block one, and a connecting ring is rotatably connected to the top of the connecting block one.

[0014] As a further description of the above technical solution:

[0015] The inside of the sliding ring is slidingly connected to the outside of the nozzle, and the inside of the connecting ring is fixedly connected to the outside of the nozzle.

[0016] As a further description of the above technical solution:

[0017] The outside of the sealing gasket is slidingly connected to the inside of the fixed column, and the top of the sealing gasket is slidingly connected to the bottom of the sliding column.

[0018] As a further description of the above technical solution:

[0019] The clamping groove is L-shaped, and the outside of the fixed block is slidingly connected to the inside of the clamping groove.

[0020] As a further description of the above technical solution:

[0021] The inside of the adjusting plate is formed with a sliding groove, and the driving plate is in the shape of C.

[0022] The utility model has the advantages of the following beneficial effects:

[0023] 1. In the utility model, the fixed column cooperates with the spring and the fixed block, the spring cooperates with the sealing gasket, the fixed block cooperates with the clamping groove, and the clamping groove cooperates with the sliding column, so that the quick installation or dismounting of the spray head is realized, the design makes the spray head installation or dismounting process simple to operate, without the aid of complex tools and tedious steps, and the staff can quickly complete the spray head replacement, greatly saving time and improving the use efficiency of equipment, and this advantage is particularly prominent when the spray head needs to be frequently replaced to use different materials or perform different types of printing tasks.

[0024] 2. In the utility model, the sliding block is driven by the starting electric sliding groove, the sliding block drives the sliding ring, the sliding ring drives the connecting block two, the connecting block two drives the driving plate, the driving plate drives the adjusting plate, and the adjusting plate drives the silica gel shell, so that the size of the discharge port of the silica gel shell is adjusted, different printing models and parts have different requirements for the discharge amount, and for fine structures, such as small characters on the model and complex textures, the reduced discharge port can reduce the material amount extruded each time, so that the printing line is finer, and thus the detail performance and overall precision of the model are improved. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 A three-dimensional schematic view of the 3D printing composite spray head is provided for the utility model;

[0026] Figure 2 A structure schematic view of the driving plate of the 3D printing composite spray head is provided for the utility model;

[0027] Figure 3 For Figure 2 An enlarged view of B in the middle;

[0028] Figure 4 For Figure 2 An enlarged view of A in the middle.

[0029] LEGEND:

[0030] 1, spray head; 2, silica gel shell; 3, adjusting plate; 4, connecting ring; 5, driving plate; 6, sliding ring; 7, sliding block; 8, electric sliding groove; 9, fixed column; 10, spring; 11, sealing gasket; 12, fixed block; 13, sliding column; 14, clamping groove; 15, connecting block one; 16, connecting block two. DETAILED DESCRIPTION

[0031] Clearly, the described embodiments are merely a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0032] With reference to Figures 1 to 3 The utility model provides an embodiment: a kind of 3D printing composite nozzle, including nozzle 1, nozzle 1 has high-precision structural design, can ensure that printing material is accurately sprayed, the top of nozzle 1 is fixedly connected with fixed column 9, this connection mode is stable and reliable, so that fixed column 9 can provide stable basis for the connection of nozzle 1 and part, the inside of fixed column 9 is fixedly connected with multiple springs 10, springs 10 are evenly distributed, can provide necessary elastic buffer in subsequent connection operation.

[0033] The top of multiple springs 10 is fixedly connected with sealing gasket 11, sealing gasket 11 can effectively fill the gap between fixed column 9 and sliding column 13, prevent printing material leakage, the outside of sealing gasket 11 is slidably connected in the inside of fixed column 9, it slides smoothly, and can always keep good contact with the inner wall of fixed column 9, the inside of fixed column 9 is fixedly connected with fixed block 12, and fixed block 12 provides key positioning and fixing effect for the connection of sliding column 13, and the inside of fixed column 9 is slidably connected with sliding column 13, and the sliding design of sliding column 13 facilitates the quick connection and separation of nozzle 1 and 3D printer.

[0034] The top of sealing gasket 11 is slidably connected at the bottom of sliding column 13, and such connection can ensure that sealing gasket 11 closely fits the bottom of sliding column 13 under the action of spring 10, to enhance the sealing property, the inside of sliding column 13 is provided with clamping groove 14, and clamping groove 14 is L-shaped, which facilitates the accurate clamping of fixed block 12 to realize stable connection, and the outside of fixed block 12 is slidably connected in the inside of clamping groove 14, so that the two can be easily matched during installation and disassembly, and the outside of nozzle 1 is provided with driving assembly for driving parts.

[0035] With reference to Figure 1 , Figure 2 , Figure 4 Driving assembly includes multiple electric sliding grooves 8, and the electric sliding grooves 8 are reasonably distributed, so that the movement of sliding block 7 can be accurately controlled to provide accurate power for the discharge port adjustment of nozzle 1, and the multiple electric sliding grooves 8 are arranged on the outside of nozzle 1 and are closely combined with the shell of nozzle 1, so that the part driving function can be realized without affecting the normal work of nozzle 1, and the inside of electric sliding groove 8 is slidably connected with sliding block 7, and the sliding block 7 slides stably in electric sliding groove 8 and can quickly respond to the driving instruction of electric sliding groove 8.

[0036] The outer side of the sliding block 7 is fixedly connected with the sliding ring 6, and the two are firmly connected to ensure that the sliding ring 6 can stably transmit the power of the sliding block 7. The inner side of the sliding ring 6 is slidingly connected to the outer side of the nozzle 1, and the sliding is smooth and can maintain the accuracy of the relative position of the nozzle 1. The outer side of the sliding ring 6 is fixedly connected with a plurality of connecting blocks two 16, which are stably connected with the sliding ring 6 and can reliably follow the movement of the sliding ring 6. The inner side of each of the plurality of connecting blocks two 16 is rotatably connected with a driving plate 5. The C-shaped design of the driving plate 5 enables it to effectively transmit force and provide space for the rotation of the adjusting plate 3. The end of the driving plate 5 away from the connecting block two 16 is rotatably connected with the adjusting plate 3, and the two are rotatably connected flexibly and stably, so that the driving plate 5 can accurately drive the adjusting plate 3 to change the angle. The inner side of the adjusting plate 3 is fixedly connected with a silica gel shell 2, which can be deformed flexibly under the action of the adjusting plate 3 to adjust the thickness of the printing material. The top of the silica gel shell 2 is fixedly connected to the bottom of the nozzle 1, and the connection is tight and sealed to prevent leakage of the printing material. The end of the adjusting plate 3 away from the silica gel shell 2 is rotatably connected with a connecting block one 15, which enables the adjusting plate 3 to flexibly change the angle and effectively adjust the silica gel shell 2. The top of the connecting block one 15 is rotatably connected with a connecting ring 4, which rotates stably and provides reliable support for the rotation of the connecting block one 15. The inner side of the connecting ring 4 is fixedly connected to the outer side of the nozzle 1 to provide a stable support point for the entire driving assembly and ensure the coordinated movement of the parts.

[0037] The sliding groove can provide a buffer and adjustment space for the connection of the adjusting plate 3 and the parts during movement to ensure smooth adjustment. The inner side of the adjusting plate 3 is fixedly connected with a silica gel shell 2, which can be deformed flexibly under the action of the adjusting plate 3 to adjust the thickness of the printing material. The top of the silica gel shell 2 is fixedly connected to the bottom of the nozzle 1, and the connection is tight and sealed to prevent leakage of the printing material. The end of the adjusting plate 3 away from the silica gel shell 2 is rotatably connected with a connecting block one 15, which enables the adjusting plate 3 to flexibly change the angle and effectively adjust the silica gel shell 2. The top of the connecting block one 15 is rotatably connected with a connecting ring 4, which rotates stably and provides reliable support for the rotation of the connecting block one 15. The inner side of the connecting ring 4 is fixedly connected to the outer side of the nozzle 1 to provide a stable support point for the entire driving assembly and ensure the coordinated movement of the parts.

[0038] Working principle: When the staff needs to use the nozzle 1, the sliding column 13 can be installed inside the 3D printer, and then the fixed column 9 is connected with the sliding column 13. When the sliding column 13 slides into the fixed column 9, the multiple springs 10 are compressed downward through the sealing gasket 11. At this time, the sliding column 13 is rotated, and the inner side of the sliding column 13 is provided with a clamping groove 14. By rotating, the fixed block 12 can be rotated into the clamping groove 14, and the fixed block 12 is connected inside the fixed column 9. After the sliding column 13 is rotated, the nozzle 1 can be released. At this time, the multiple springs 10 that are compressed will provide a rebound force to push the sealing gasket 11 towards the sliding column 13, so that the clamping groove 14 and the fixed block 12 are connected more tightly.

[0039] When it is needed to adjust the discharge port of the spray head 1, the sliding block 7 can be driven by starting the electric sliding groove 8, and the outer side of the sliding block 7 is connected with the sliding ring 6, which can drive the connecting block two 16 outside the sliding ring 6 to move, and the inside of the connecting block two 16 rotates the driving plate 5, the end of the driving plate 5 away from the connecting block two 16 rotates the adjusting plate 3, and the inside of the adjusting plate 3 is connected to the outside of the silica gel shell 2, at this time, the sliding ring 6 is slid upward, so that the driving plate 5 lifts the adjusting plate 3 upward, and the silica gel shell 2 will be expanded because the outside is fixed with multiple adjusting plates 3, so as to realize the adjustment of the thickness of the printing material discharged by the spray head 1.

[0040] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the foregoing detailed description of the present application is made with reference to the foregoing embodiments, for the skilled in the art, it still can be modified, or part of the technical features of the equivalent replacement, within the spirit and principles of the present application, any modification, equivalent replacement, improvement, etc., should be included in the scope of protection of the present application.

Claims

1. A 3D printing composite nozzle, comprising a nozzle (1), characterized in that: The top of the nozzle (1) is fixedly connected to a fixing post (9), and a plurality of springs (10) are fixedly connected inside the fixing post (9). A sealing gasket (11) is fixedly connected to the top of each of the plurality of springs (10). A fixing block (12) is fixedly connected inside the fixing post (9). A sliding post (13) is slidably connected inside the fixing post (9). A slot (14) is provided inside the sliding post (13). A driving assembly for driving the parts is provided on the outside of the nozzle (1).

2. The 3D printing composite nozzle according to claim 1, characterized in that: The driving assembly includes multiple electric slides (8), which are opened on the outside of the nozzle (1). A sliding block (7) is slidably connected inside the electric slide (8). A sliding ring (6) is fixedly connected to the outside of the sliding block (7). Multiple connecting blocks (16) are fixedly connected to the outside of the sliding ring (6). A driving plate (5) is rotatably connected inside each of the multiple connecting blocks (16). An adjusting plate (3) is rotatably connected to the end of the driving plate (5) away from the connecting block (16).

3. A 3D printing composite nozzle according to claim 2, characterized in that: A silicone shell (2) is fixedly connected to the inner side of the adjusting plate (3), and the top of the silicone shell (2) is fixedly connected to the bottom of the nozzle (1).

4. A 3D printing composite nozzle according to claim 3, characterized in that: The adjusting plate (3) is rotatably connected to a connecting block (15) at the end away from the silicone shell (2), and a connecting ring (4) is rotatably connected to the top of the connecting block (15).

5. A 3D printing composite nozzle according to claim 4, characterized in that: The inner side of the sliding ring (6) is slidably connected to the outer side of the nozzle (1), and the inner side of the connecting ring (4) is fixedly connected to the outer side of the nozzle (1).

6. A 3D printing composite nozzle according to claim 1, characterized in that: The outer side of the sealing gasket (11) is slidably connected to the inside of the fixed post (9), and the top of the sealing gasket (11) is slidably connected to the bottom of the sliding post (13).

7. A 3D printing composite nozzle according to claim 1, characterized in that: The slot (14) is L-shaped, and the outer side of the fixing block (12) is slidably connected to the inside of the slot (14).

8. A 3D printing composite nozzle according to claim 2, characterized in that: The adjusting plate (3) has a sliding groove inside, and the driving plate (5) is C-shaped.

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