CN211542386U

CN211542386U - FDM 3D printer quick change shower nozzle structure

Info

Publication number: CN211542386U
Application number: CN201922180743.2U
Authority: CN
Inventors: 林联松; 李朝辉; 刘康
Original assignee: Shenzhen Aurora Technology Co Ltd
Current assignee: Shenzhen Aurora Innovation Technology Co ltd
Priority date: 2019-12-06
Filing date: 2019-12-06
Publication date: 2020-09-22
Anticipated expiration: 2029-12-06

Abstract

The utility model discloses a FDM 3D printer quick change shower nozzle structure, including the extrusion plate, one side of extrusion plate is equipped with the slider card strip, the one end of slider card strip runs through the extrusion plate, the one end that the slider card strip runs through the extrusion plate has cup jointed the spring, the lower surface of extrusion plate is equipped with the heating block, the inside sliding connection of heating block has nozzle assembly; pass the heating piece through making nozzle assembly, get into in the extrusion board, slider card strip cooperation spring, block nozzle assembly, the bellied tight fit swing joint of cone mouth draw-in groove and slider card strip in the nozzle assembly, with the accurate fixed of choke, accomplish dress shower nozzle process, this patent designs nozzle and choke into an organic whole subassembly, with heating piece and all circuit separation, make to change the nozzle need not to pull out and insert any circuit, it is not hard to have solved the circuit and has pulled out to insert not hard up and lead to contact failure, pull out to insert the dislocation and lead to opening circuit, secondary dismouting error is big, fixed unstability, the dismouting is more difficult, problem such as subassembly replacement cost height.

Description

FDM 3D printer quick change shower nozzle structure

Technical Field

The utility model relates to a 3D prints technical field, specifically is a FDM 3D printer quick change sprinkler structure.

Background

The 3D printer is a process for Rapid Prototyping (RP), a three-dimensional model is manufactured layer by layer in a layer-by-layer stacking mode, the operation process of the three-dimensional model is similar to that of a traditional printer, the traditional printer is only used for printing ink on paper to form two-dimensional plane drawing, and the three-dimensional printer is used for stacking liquid photosensitive resin materials, molten plastic wires, gypsum powder and other materials layer by layer in a binder spraying or extruding mode to form a three-dimensional entity.

FDM (fused Deposition modeling) in 3D printing is a process fused Deposition Fabrication (FDM) material typically a thermoplastic material such as wax, ABS, nylon, etc. The material is supplied in the form of filaments. The material is heated and melted in the spray head. The spray head moves along the section contour and filling track of the part, and simultaneously extrudes out the molten material, and the material is rapidly solidified and coagulated with the surrounding material.

The removable shower nozzle structure of 3D printer on the market at present is that heating circuit assembles an organic whole with the shower nozzle, connects with buckle or magnetism mode of inhaling, need when changing to detach heating block temperature sensor and some relevant circuits together. This structure has several disadvantages:

1. when the circuit is detached, the circuit is very easy to break and the mainboard chip is easily burnt out;

2. the circuit part is easily loosened after being disassembled and assembled for many times, so that poor contact is caused;

3. the secondary disassembly and assembly error is large;

4. the fixation is unstable;

5. the disassembly and the assembly are difficult;

6. the replacement cost of the components is high.

In order to solve the problems and the defects, a quick-change spray head structure of an FDM 3D printer is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a FDM 3D printer quick change shower nozzle structure to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a FDM 3D printer quick change shower nozzle structure, includes the extrusion plate, one side of extrusion plate is equipped with slider card strip, the one end of slider card strip is run through the extrusion plate, slider card strip runs through the spring has been cup jointed to the one end of extrusion plate, the lower surface of extrusion plate is equipped with the heating piece, the inside sliding connection of heating piece has nozzle assembly, nozzle assembly includes nozzle, awl mouth draw-in groove and choke, be equipped with the arch on the slider card strip, protruding with awl mouth draw-in groove tight fit swing joint, the choke with nozzle integrated into one piece.

Furthermore, the heating block and the extrusion plate are fixedly connected through a second screw and a nut.

Furthermore, the lower surface threaded connection of extrusion plate has first screw, the through-hole has been seted up on the surface of slider card strip, the one end of first screw runs through the through-hole.

Furthermore, a K-type thermocouple is arranged on the front surface of the heating block.

Further, a thermistor is mounted on the front surface of the heating block.

Furthermore, the top end of the throat pipe penetrates through the extrusion plate, and the cone mouth clamping groove is formed in the top of the nozzle assembly.

Compared with the prior art, the beneficial effects of the utility model are that: pass the heating piece through making nozzle assembly, get into in the extrusion board, slider card strip cooperation spring, block nozzle assembly, the bellied tight fit swing joint of cone mouth draw-in groove and slider card strip in the nozzle assembly, with the accurate fixed of choke, accomplish the process of dress shower nozzle subassembly, this patent designs nozzle and choke into an organic whole subassembly, with heating piece and all circuit separation, make to change the nozzle need not to pull out and insert any circuit, it is not hard to have solved the circuit and has pulled out to insert not hard up and lead to contact failure, it leads to opening circuit to pull out to insert the dislocation, secondary dismouting error is big, fixed shakiness, the dismouting is more difficult, problem such as subassembly replacement cost height.

Drawings

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

FIG. 2 is a schematic view of the nozzle assembly of the present invention;

FIG. 3 is an enlarged schematic view of the structure of the area E in FIG. 1 according to the present invention;

FIG. 4 is a schematic view of the nozzle assembly of the present invention in an assembled state;

fig. 5 is a schematic view of the nozzle assembly in a disengaged state.

In the figure: 1. a heating block; 2. a type K thermocouple; 3. a thermistor; 4. a nozzle assembly; 41. a nozzle; 42. a tapered neck slot; 43. a throat; 5. extruding a plate; 6. a slide block clamping strip; 7. a first screw; 8. a second screw; 9. a nut; 10. a spring.

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.

Examples

Referring to fig. 1-5, the present invention provides a technical solution: the utility model provides a FDM 3D printer quick change sprinkler structure, including extrusion plate 5, one side of extrusion plate 5 is equipped with slider card strip 6, the one end of slider card strip 6 is run through extrusion plate 5, spring 10 has been cup jointed to the one end that slider card strip 6 runs through extrusion plate 5, the lower surface of extrusion plate 5 is equipped with heating block 1, the inside sliding connection of heating block 1 has nozzle assembly 4, nozzle assembly 4 includes nozzle 41, awl mouth draw-in groove 42 and choke 43, be equipped with protruding 61 on the slider card strip 6, protruding 61 and awl mouth draw-in groove 42 tight fit swing joint,

choke

43 and 41 integrated into one piece of nozzle.

In this embodiment, specifically: the heating block 1 and the extrusion plate 5 are fixedly connected through a second screw 8 and a nut 9; through the threaded connection mode of second screw 8 and nut 9, be convenient for carry out the dismouting with heating block 1 and extrusion plate 5, the installation is swift simultaneously.

In this embodiment, specifically: the lower surface of the extrusion plate 5 is in threaded connection with a first screw 7, a through hole is formed in the surface of the sliding block clamping strip 6, and one end of the first screw 7 penetrates through the through hole; through the arrangement, one end of the first screw 7 penetrates through the through hole formed in the surface of the sliding block clamping strip 6, and the position of the sliding block clamping strip 6 can be limited, so that the purpose of fixing the sliding block clamping strip 6 is achieved, and the fixing effect of the nozzle assembly 4 in the extrusion plate 5 is improved.

In this embodiment, specifically: the front surface of the heating block 1 is provided with a K-type thermocouple 2; the type K thermocouple 2 is a temperature sensor for detecting a heating temperature.

In this embodiment, specifically: a thermistor 3 is mounted on the front surface of the heating block 1.

In this embodiment, specifically: the top end of the throat pipe 43 penetrates through the extrusion plate 5, and the cone mouth clamping groove 42 is formed in the top of the nozzle assembly 5; through the arrangement, the bulge 61 on the slide block clamping strip 6 can be tightly matched and movably connected with the cone mouth clamping groove 42, so that the throat pipe is accurately fixed.

According to the working principle or the structural principle, when the sprayer is dismounted, the spring 10 in the sliding block clamping strip 6 is extruded, so that the tapered mouth clamping groove 42 of the nozzle assembly 4 is separated from the protrusion of the sliding block clamping strip 6, the nozzle assembly 4 is pulled out from the extrusion plate 5 and the heating block 1, the sprayer can be separated, and the sprayer dismounting process is completed;

when the installation shower nozzle, upwards promote nozzle assembly 4, make nozzle assembly 4 pass heating block 1, get into in the

extrusion plate

5, 6 cooperation springs 10 of slider card strip reach the tight fit with protruding 61 and the chucking of awl mouth draw-in groove 42, block nozzle assembly 4, thereby with the accurate fixed of choke, accomplish dress shower nozzle process, this patent designs into an organic whole subassembly with nozzle 41 and larynx 43 pipe, with heating block 1 and all circuit separation, make change nozzle assembly need not to pull out and insert any circuit, it leads to contact failure to have solved the circuit and has pulled out to insert the not hard up, it leads to opening circuit to pull out to insert the dislocation, secondary dismouting error is big, fixed unstability, the dismouting is more difficult, problem such as subassembly replacement cost height.

All directional indications (such as up, down, left, right, front, and rear … …) in the present embodiment are only used to explain the relative positional relationship between the components, the movement, and the like in a certain posture (as shown in the drawing), and if the certain posture is changed, the directional indication is changed accordingly.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a FDM 3D printer quick change shower nozzle structure, includes extrusion plate (5), its characterized in that: one side of extrusion plate (5) is equipped with slider card strip (6), the one end of slider card strip (6) is run through extrusion plate (5), slider card strip (6) run through spring (10) have been cup jointed to the one end of extrusion plate (5), the lower surface of extrusion plate (5) is equipped with heating block (1), the inside sliding connection of heating block (1) has nozzle assembly (4), nozzle assembly (4) are including nozzle (41), awl mouth draw-in groove (42) and choke (43), be equipped with arch (61) on slider card strip (6), arch (61) with awl mouth draw-in groove (42) tight fit swing joint, choke (43) with nozzle (41) integrated into one piece.

2. The quick-change nozzle structure of the FDM 3D printer according to claim 1, wherein: the heating block (1) and the extrusion plate (5) are fixedly connected through a second screw (8) and a nut (9).

3. The quick-change nozzle structure of the FDM 3D printer according to claim 1, wherein: the lower surface threaded connection of extruding plate (5) has first screw (7), the through-hole has been seted up on the surface of slider card strip (6), the one end of first screw (7) is run through the through-hole.

4. The quick-change nozzle structure of the FDM 3D printer according to claim 1, wherein: the front surface of the heating block (1) is provided with a K-type thermocouple (2).

5. The quick-change nozzle structure of the FDM 3D printer according to claim 1, wherein: and a thermistor (3) is arranged on the front surface of the heating block (1).

6. The quick-change nozzle structure of the FDM 3D printer according to claim 1, wherein: the top end of the throat pipe (43) penetrates through the extrusion plate (5), and the cone mouth clamping groove (42) is formed in the top of the nozzle assembly (4).