CN212422189U - Anti-sticking nozzle with separation blade for FFF printer - Google Patents

Abstract

The utility model discloses a FFF printer is with taking separation blade antiseized material nozzle, including metal nozzle main part, separation blade coupling nut, separation blade metal framework and antiseized material separation blade. The metal nozzle main body is connected with the separation blade connecting ring piece and used for being matched with a separation blade connecting nut, the separation blade connecting piece is fixedly connected with the separation blade metal framework, and the anti-sticking material separation blade is assembled into the separation blade metal framework in an insertion mode. Through the above-mentioned setting, the utility model discloses can solve the melting and pile up 3D and print the in-process because the material wire drawing, the flash, shower nozzle heating block and the nozzle sizing that arouses such as deformation, it is clean and tidy to keep the nozzle at the printing in-process, avoid taking place the interference phenomenon with the work piece because of the printing in-process that the shower nozzle sizing arouses, reduce the carbonization that the long-time adhesion of material arouses on high temperature nozzle and heating block, the putty, phenomenons such as conflagration, reduce shower nozzle cleaning time, printing speed and quality have been improved, can improve the life of nozzle simultaneously greatly and reduce use cost, guarantee the yield.

Description

Anti-sticking nozzle with separation blade for FFF printer

Technical Field

The utility model relates to a 3d prints the field, specifically is an antiseized material nozzle of tape separation blade for FFF printer.

Background

At present, nozzles of FFF printers are generally single-material parts, and most of the nozzles are made of copper alloy or aluminum alloy. The nozzle heating block is also heated by a heating element and then thermally conducted to the nozzle, and most of the material of the nozzle heating block is copper alloy or aluminum alloy. But along with the development of 3D printing, there is very big difference in the plastify interval of various printing materials, and the heating capacity of nozzle and heating block has had very big improvement, and the promotion of thermal capacity helps melting the material fast, improves printing speed and printing quality, but nozzle and heating block under the high temperature can melt the material in the twinkling of an eye after touchhing the material on nozzle and the heating block, adhere to on nozzle and the heating block, lead to nozzle and heating block sizing, influence heat-conduction and printing quality. In order to prevent the nozzle from sticking, the nozzle and the heating block adopt a plurality of coating materials to solve the sticking problem, but the effects are not ideal, the processing cost is high, and the process is complex.

Therefore, it is very necessary to provide an anti-sticking nozzle with a blocking piece, which has the advantages of high temperature resistance of an independent blocking piece material, non-sticking property to a printing material, capability of improving the anti-sticking capability of the nozzle, standardized structure, capability of fast exchange, improvement of printing quality and reduction of production cost.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an FFF printer is with taking antiseized material nozzle of separation blade, it can improve the anti-stick material ability of printing in-process nozzle and heating block, and improves print quality and reduction in production cost.

In order to achieve the above object, the utility model provides a following technical scheme: a material sticking prevention nozzle with a baffle for an FFF printer comprises a metal nozzle main body, wherein the metal nozzle main body is detachably connected with a baffle connecting ring piece, the baffle connecting ring piece is fixedly connected with a baffle metal framework perpendicular to the metal nozzle main body, and the baffle metal framework is detachably connected with a material sticking prevention baffle;

antiseized material fender be provided with the draw-in groove of separation blade metal framework joint, antiseized material fender center is provided with the nozzle bore that the metal nozzle main part runs through, be provided with on the draw-in groove and prevent the metal nozzle main part with the U-shaped opening that antiseized material fender was interfered.

Through the scheme, the U-shaped opening is formed, so that the metal nozzle main body and the anti-sticking material blocking piece cannot interfere with each other, the blocking piece connecting ring piece and the blocking piece metal framework are clamped with the clamping groove from the side, at the moment, the metal nozzle main body is detachably connected with the blocking piece connecting ring piece, the metal nozzle main body extends out of the nozzle opening, printing cannot be influenced, and printing materials cannot stick to the metal nozzle main body due to the fact that the anti-sticking material blocking piece occupies the space around the metal nozzle main body; the anti-sticking material blocking piece can be quickly replaced, so that the service life and the printing quality of the nozzle can be greatly prolonged, and the time and the cost are saved.

Preferably, the baffle plate connecting ring piece is connected with the baffle plate metal framework through welding.

Through the scheme, the welding connection has the advantages of firm connection and low cost.

Preferably, the baffle plate connecting ring is provided with threads, and the baffle plate connecting ring is connected with the metal nozzle main body through the threads.

Through the scheme, the threaded connection has the advantage of convenient connection, and meanwhile, the metal nozzle main body can extend out of the nozzle opening by a proper distance through the screwing distance of the threads so as to achieve the best printing effect.

Preferably, the anti-sticking material baffle is cylindrical or conical or a combination of the two.

Through the scheme, the anti-sticking material blocking piece can adopt various shapes mentioned above, so that people can select the anti-sticking material blocking piece according to needs.

Preferably, the anti-sticking material baffle plate is made of polycarbonate, polytetrafluoroethylene, polyamide or ceramics.

Through the scheme, the materials are all heat-resistant and non-stick materials, so that the influence of the materials on the anti-stick material blocking sheet is further prevented on the premise of preventing the printing materials from contacting the metal nozzle main body, the printing quality is improved, the service life is prolonged, and the use cost is reduced.

Preferably, the metal nozzle main body is provided with an outer hexagonal structure convenient to detach or mount, and the diameter of the outer hexagonal structure is larger than that of the baffle plate connecting ring piece.

Through the scheme, the outer hexagonal structure can be conveniently clamped when the connection is disassembled or assembled by adopting the threads, so that the disassembly or the assembly is convenient; because the diameter of outer hexagonal structure is greater than the diameter that the ring piece was connected to the separation blade, consequently outer hexagonal structure can play certain limiting displacement to separation blade connection ring piece, can the distance that the anti-adhesion material separation blade was stretched out to the metal nozzle main part of quick control through this spacing to accomplish the installation fast.

Preferably, the metal nozzle main body is made of steel material, and the baffle plate connecting ring piece is a magnetic baffle plate connecting ring piece.

Through the technical scheme, the metal nozzle main body is detachably connected with the baffle plate connecting ring piece through the magnetic baffle plate connecting ring piece, and the metal nozzle main body has the advantages of being quick to detach and convenient to maintain.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) the anti-sticking material blocking piece can solve the problems of a nozzle heating block and nozzle sticking materials caused by material drawing, material overflowing, deformation and the like in the 3D printing process of melting and stacking, keep a metal nozzle main body clean and tidy in the printing process, avoid the phenomenon of interference with a workpiece in the printing process caused by the nozzle sticking materials, reduce the phenomena of carbonization, material blockage, fire and the like caused by the fact that the materials are adhered to a high-temperature nozzle and the heating block for a long time, reduce the cleaning time of the nozzle and improve the printing speed and quality;

(2) the replacement of the anti-sticking material separation blade depends on the threaded or magnetic connection, so that the replacement and maintenance of the anti-sticking material separation blade can be completed more rapidly, the service life and the printing quality of the nozzle can be greatly prolonged, and the time and the cost are saved.

Drawings

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

FIG. 2 is a schematic view of the explosion structure of the present invention;

FIG. 3 is a schematic perspective sectional view of the present invention;

fig. 4 is a schematic structural view of the metal nozzle body according to the present invention.

In the figure: 1. a metal nozzle body; 2. the baffle plate is connected with the ring piece; 3. a baffle metal framework; 4. a material sticking prevention baffle plate; 5. a card slot; 6. a nozzle hole; 7. a U-shaped opening; 8. a thread; 9. an outer hexagonal structure.

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. 1-4, the present invention provides an embodiment:

the utility model provides a take separation blade antiseized material nozzle for FFF printer, includes metal nozzle main part 1, is provided with screw thread 8 on separation blade connection ring 2, and separation blade connection ring 2 and metal nozzle main part 1 pass through screw thread 8 are connected. The threaded 8 connection has the advantage of convenient connection, and simultaneously, the metal nozzle body 1 can extend out of the nozzle opening by a proper distance through the precession distance of the threaded 8, so that the best printing effect is expected to be achieved.

The baffle plate connecting ring piece 2 is connected with the baffle plate metal framework 3 through welding. The welding connection has the advantages of firm connection and low cost. The separation blade metal framework 3 is detachably connected with an anti-sticking material separation blade 4. The anti-sticking material separation blade 4 is conical. The anti-sticking material separation blade 4 is made of polycarbonate. The material is heat-resistant and non-stick material, so that the influence of the material on the anti-stick material separation blade 4 is further prevented on the premise of preventing the printing material from contacting the metal nozzle main body 1, the printing quality is improved, the service life is prolonged, and the use cost is reduced.

The anti-sticking material baffle 4 is provided with a clamping groove 5 connected with the baffle metal framework 3 in a clamped mode, the center of the anti-sticking material baffle 4 is provided with a nozzle hole 6 penetrated by the metal nozzle body 1, and the clamping groove 5 is provided with a U-shaped opening 7 for preventing the metal nozzle body 1 from interfering with the anti-sticking material baffle 4.

Due to the fact that the U-shaped opening 7 is formed, the metal nozzle main body 1 and the anti-sticking material blocking piece 4 cannot interfere with each other, the blocking piece connecting ring piece 2 and the blocking piece metal framework 3 are clamped with the clamping groove 5 from the side face, at the moment, the metal nozzle main body 1 is detachably connected with the blocking piece connecting ring piece 2, the metal nozzle main body 1 extends out of the nozzle opening, printing cannot be affected, and printing materials cannot be stuck to the metal nozzle main body 1 due to the fact that the anti-sticking material blocking piece 4 occupies the space around the metal nozzle main body 1; the anti-sticking material blocking sheet 4 can be quickly replaced, so that the service life and the printing quality of the nozzle can be greatly improved, and the time and the cost are saved.

In this embodiment, the metal nozzle body 1 is provided with an outer hexagonal structure 9 which is convenient to detach or mount, and the diameter of the outer hexagonal structure 9 is larger than that of the baffle connecting ring 2. When the connection is disassembled or assembled by adopting the threads 8, the outer hexagonal structure 9 can be conveniently clamped, so that the disassembly or the assembly is convenient; because the diameter of outer hexagonal structure 9 is greater than the diameter that the ring piece 2 is connected to the separation blade, consequently outer hexagonal structure 9 can play certain limiting displacement to separation blade connection ring piece 2, can the quick control metal nozzle main part 1 stretch out the distance of anti-sticking material separation blade 4 through this spacing to accomplish the installation fast.

In addition, the detachable connection mode of the metal nozzle body 1 and the baffle plate connecting ring 2 can also adopt the following mode: the metal nozzle main body 1 is made of steel materials, and the baffle plate connecting ring piece 2 is a magnetic baffle plate connecting ring piece 2. The metal nozzle main body 1 is detachably connected with the baffle piece connecting ring piece 2 through the magnetic baffle piece connecting ring piece 2, and the metal nozzle main body has the advantages of being quick to detach and convenient to maintain.

Compared with the prior art, the beneficial effects of the utility model are that: the existence of the anti-sticking material blocking piece 4 can solve the problems of a nozzle heating block and nozzle sticky materials caused by material drawing, material overflowing, deformation and the like in the melting and stacking 3D printing process, keep the metal nozzle main body 1 clean and tidy in the printing process, avoid the interference phenomenon with a workpiece in the printing process caused by the nozzle sticky materials, reduce the phenomena of carbonization, material blockage, fire and the like caused by the long-time adhesion of the materials on the high-temperature nozzle and the heating block, reduce the cleaning time of the nozzle, and improve the printing speed and quality; and b, the replacement of the anti-sticking material blocking piece 4 depends on the thread 8 or magnetic connection, so that the replacement and maintenance of the anti-sticking material blocking piece 4 can be completed more rapidly, the service life and the printing quality of the nozzle can be greatly prolonged, and the time and the cost are saved.

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 (7)

1. The utility model provides a band stop piece nozzle of preventing sticking material for FFF printer which characterized in that: the metal nozzle comprises a metal nozzle main body (1), wherein a baffle plate connecting ring piece (2) is detachably connected to the metal nozzle main body (1), a baffle plate metal framework (3) perpendicular to the metal nozzle main body (1) is fixedly connected to the baffle plate connecting ring piece (2), and an anti-sticking material baffle plate (4) is detachably connected to the baffle plate metal framework (3);

anti-sticking material separation blade (4) be provided with draw-in groove (5) of separation blade metal framework (3) joint, anti-sticking material separation blade (4) center is provided with nozzle hole (6) that metal nozzle main part (1) runs through, be provided with on draw-in groove (5) prevent metal nozzle main part (1) with U-shaped opening (7) that anti-sticking material separation blade (4) are interfered.

2. The tape tab release nozzle for an FFF printer in accordance with claim 1, wherein: the baffle plate connecting ring piece (2) is connected with the baffle plate metal framework (3) through welding.

3. The tape tab release nozzle for an FFF printer in accordance with claim 1, wherein: the separation blade connecting ring piece (2) is provided with threads (8), and the separation blade connecting ring piece (2) is connected with the metal nozzle main body (1) through the threads (8).

4. The tape tab release nozzle for an FFF printer in accordance with claim 1, wherein: the anti-sticking material baffle plate (4) is cylindrical or conical or the combination of the cylindrical and conical.

5. The tape tab release nozzle for an FFF printer in accordance with claim 1, wherein: the anti-sticking material baffle plate (4) is made of polycarbonate, polytetrafluoroethylene, polyamide or ceramics.

6. The tape tab release nozzle for an FFF printer in accordance with claim 3, wherein: the metal nozzle main body (1) is provided with an outer hexagonal structure (9) convenient to detach or mount, and the diameter of the outer hexagonal structure (9) is larger than that of the baffle plate connecting ring piece (2).

7. The tape tab release nozzle for an FFF printer in accordance with claim 1, wherein: the metal nozzle body (1) is made of steel materials, and the baffle plate connecting ring piece (2) is a magnetic baffle plate connecting ring piece (2).

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