CN211891991U

CN211891991U - 3D printer nozzle

Info

Publication number: CN211891991U
Application number: CN201921967725.2U
Authority: CN
Inventors: 宋铁石; 关富龙; 孔明茹; 孙革; 王磊; 盛利; 孙勃; 张鼐鹏
Original assignee: Hongqi Hospital Affiliated To Mudanjiang Medical University
Current assignee: Hongqi Hospital Affiliated To Mudanjiang Medical University
Priority date: 2019-11-14
Filing date: 2019-11-14
Publication date: 2020-11-10
Anticipated expiration: 2029-11-14

Abstract

The utility model discloses a 3D printer nozzle, which comprises a fixed spray pipe, a fixed sleeve, a spray head and a clamping device, the bottom of the fixed spray pipe is connected with a spray head through threads, the outer wall of the circumference of the fixed spray pipe is sleeved with a fixed sleeve, two groups of clamping devices are symmetrically arranged on the circumferential outer wall of the fixed sleeve, the fixed sleeve is clamped with the fixed spray pipe through the two groups of clamping devices, the upper end of the inner side wall of the fixed spray pipe is connected with a mounting plate through a bolt, a mounting frame is welded at the center of the bottom of the mounting plate, the interior of the mounting frame is provided with a micro motor, the top of the micro motor is fixedly connected with the bottom of the mounting plate, the output end of the micro motor is fixedly connected with one end of the rotating rod through the coupler, the other end of the rotating rod penetrates through the bottom wall inside the installation frame and extends to the lower portion of the installation frame, and the rotating rod is provided with the auger. This 3D printer nozzle, simple structure prints effectually.

Description

3D printer nozzle

Technical Field

The utility model belongs to the technical field of the 3D printer, concretely relates to 3D printer nozzle.

Background

A 3D printer, also known as a three-dimensional printer, is an additive manufacturing technique that is based on a digital model file and manufactures a three-dimensional object by printing layers of adhesive material using special wax, powdered metal or plastic, etc. that can be adhered. Is a technique for building objects by printing layer by layer; the nozzle of the 3D printer is a key part of the 3D printer, is connected to the bottom end of the heating throat pipe and is a part for controlling the outflow of consumables and realizing the control of spraying precision after the consumables are melted; current 3D printer nozzle when using, owing to can not effectually follow the trade to the filter screen, causes the filter screen to use for a long time easily and causes the jam.

Therefore, in order to meet the current situation, the design and production of a 3D printer nozzle are urgently needed to meet the requirement of practical use.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a 3D printer 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: the utility model provides a 3D printer nozzle, includes fixed spray tube, fixed sleeve, shower nozzle and latch device, fixed spray tube bottom threaded connection has the shower nozzle, the cover is provided with fixed sleeve on the fixed spray tube circumference outer wall, the symmetry is provided with two sets of latch devices on the fixed sleeve circumference outer wall, fixed sleeve passes through two sets of latch devices and fixed spray tube joint, bolted connection has the mounting panel on the inside lateral wall of fixed spray tube, the welding of mounting panel bottom center department has the installing frame, the inside micro motor that is provided with of installing frame, the micro motor top have with mounting panel bottom fixed connection, micro motor's output passes through shaft coupling and dwang one end fixed connection, the dwang other end runs through the inside diapire of installing frame to extend to the installing frame below, be provided with the auger on the dwang.

Preferably, the two side walls of the fixed spray pipe are connected with heat insulation plates through bolts, a plurality of groups of heating pipes are arranged between the heat insulation plates and the fixed spray pipe, and each heat insulation plate comprises an inner asbestos layer and an outer rubber layer.

Preferably, latch device is including drawing piece, locating pin and sliding block, fixed sleeve left and right sides wall lower extreme all is provided with draws the piece, draw the piece to be close to fixed sleeve one end and the fixed welding of carriage release lever one end, the carriage release lever other end runs through fixed sleeve outer wall to extend to the sliding tray that fixed sleeve inside was seted up, and fixed welding has the sliding block, sliding block and sliding tray sliding connection, the locating hole that corresponds with the sliding tray is all seted up to fixed spray tube both sides wall upper end, is provided with the locating pin in the locating hole, the fixed welding of locating pin one end and sliding block one end is equipped with expanding spring on the carriage release lever.

Preferably, the equal fixed welding of lower extreme has the connecting rod on the dwang both sides wall, the connecting rod is kept away from dwang one end fixed welding and is had the cleaning brush, the other end of cleaning brush is contradicted on the inside lateral wall of fixed shower.

Preferably, the fixed welding of fixed sleeve top has solid fixed ring, gu all seted up the mounting hole around the fixed ring top, bolted connection has the filter screen on the inside lateral wall of fixed sleeve.

The utility model discloses a technological effect and advantage: according to the 3D printer nozzle, through the arranged clamping device, the pull block is utilized to drive the moving rod and the sliding block to move transversely in the mounting groove, so that the positioning pin is separated from the positioning hole, the fixing sleeve is effectively taken down and the filter screen is replaced, and the filter screen is prevented from being blocked due to long-time use; the printing internal material is heated by the heating pipe through the arranged heating pipe, and is uniformly heated by stirring the rotating rod and the packing auger, so that the printing effect of the 3d printer is improved; the rotating rod and the connecting rod are driven to rotate by the arranged micro motor, so that the cleaning brush on the connecting rod cleans the inner side wall of the fixed spray pipe, and the use quality is improved; this 3D printer nozzle, simple structure prints effectually.

Drawings

Fig. 1 is a cross-sectional view of the present invention;

fig. 2 is an enlarged view of the structure a in fig. 1 according to the present invention;

fig. 3 is an enlarged view of the structure at B in fig. 1 according to the present invention;

fig. 4 is a schematic structural diagram of the fixing sleeve of the present invention.

In the figure: the device comprises a fixed spray pipe 1, a fixed sleeve 2, a fixed ring 3, a clamping device 4, a pull block 41, a positioning pin 42, a sliding block 43, a filter screen 5, a mounting plate 6, a mounting frame 7, a micro motor 8, a rotating rod 9, an auger 10, a connecting rod 11, a cleaning brush 12, a heat insulation plate 13, a heating pipe 14 and a spray head 15.

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.

Unless defined otherwise, all references to up, down, left, right, front, back, inner and outer directions herein are to be interpreted as referring to up, down, left, right, front, back, inner and outer directions in the drawings to which the invention is applied, and all references are hereby incorporated herein by reference.

The utility model provides a 3D printer nozzle as shown in figures 1-4, which comprises a fixed spray pipe 1, a fixed sleeve 2, a spray head 15 and a clamping device 4, wherein the bottom of the fixed spray pipe 1 is connected with the spray head 15 by screw threads, the fixed sleeve 2 is sleeved on the circumferential outer wall of the fixed spray pipe 1, two groups of clamping devices 4 are symmetrically arranged on the circumferential outer wall of the fixed sleeve 2, the fixed sleeve 2 is clamped with the fixed spray pipe 1 by the two groups of clamping devices 4, the upper end of the inner side wall of the fixed spray pipe 1 is connected with a mounting plate 6 by a bolt, a mounting frame 7 is welded at the center of the bottom of the mounting plate 6, a micro motor 8 is arranged inside the mounting frame 7, the model of the micro motor 8 is 60KTYZ, the top of the micro motor 8 is fixedly connected with the bottom of the mounting plate 6, the output end of, the inside diapire of installing frame 7 is run through to the 9 other ends of dwang to extend to installing frame 7 below, be provided with auger 10 on the dwang 9.

Specifically, equal bolted connection has heated board 13 on the 1 both sides wall of fixed spray tube, be provided with multiunit heating pipe 14 between heated board 13 and the fixed spray tube 1, heated board 13 includes the asbestos layer and the outer rubber layer of inlayer, utilizes rubber layer and asbestos layer to keep warm simultaneously, and the rubber layer can also reduce outside overheated moreover, avoids the user to scald.

Specifically, latch device 4 is including drawing piece 41, locating pin 42 and sliding

block

43, 2 left and right sides wall lower extremes of fixed sleeving all are provided with and draw piece 41, draw piece 41 to be close to 2 one ends of fixed sleeving and the fixed welding of carriage release lever one end, the carriage release lever other end runs through 2 outer walls of fixed sleeving to extend to the inside sliding tray of seting up of fixed sleeving 2 in, and fixed welding has sliding block 43, sliding block 43 and sliding tray sliding connection, the locating hole that corresponds with the sliding tray is all seted up to 1 both sides wall upper end of fixed spraying pipe, is provided with locating pin 42 in the locating hole, locating pin 42 one end and sliding block 43 one end fixed welding are equipped with expanding spring on the carriage release lever.

Specifically, the equal fixed welding of lower extreme has connecting rod 11 on the wall of dwang 9 both sides, connecting rod 11 keeps away from the fixed welding of dwang 9 one end and has cleaning brush 12, cleaning brush 12's the other end is contradicted on fixed spray tube 1 inside lateral wall.

Specifically, the fixed welding in 2 tops of fixed sleeve pipe has solid fixed ring 3, the mounting hole has all been seted up all around at solid fixed ring 3 top, bolted connection has filter screen 5 on the inside lateral wall of fixed sleeve pipe 2.

Specifically, this 3D printer nozzle, when using, at first stimulate the piece 41 of drawing of fixed sleeve 2 both sides, draw piece 41 and drive carriage release lever and sliding block 43 transverse motion in the mounting groove, make locating pin 42 and locating hole separation, then establish fixed sleeve 2 cover on fixed spray tube 1 outer wall, draw piece 41 loosening, because expanding spring's reaction force, make locating pin 42 insert in the locating hole, then through the mounting hole on the fixed ring 3 with this monolithic stationary phase on the 3D printer, when printing, start heating pipe 14 and micro motor 8 respectively, heating pipe 14 fully heats the printing material, micro motor 8 drives auger 10 and stirs the printing material, make it be heated evenly, guarantee to print the effect, can utilize cleaning brush 12 on connecting rod 11 to clean fixed spray tube 1 inner wall simultaneously.

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

1. The utility model provides a 3D printer nozzle, includes fixed spray tube (1), adapter sleeve (2), shower nozzle (15) and latch device (4), its characterized in that: the spray pipe is characterized in that a spray head (15) is connected to the bottom of the fixed spray pipe (1) through threads, a fixed sleeve (2) is sleeved on the outer wall of the circumference of the fixed spray pipe (1), two sets of clamping devices (4) are symmetrically arranged on the outer wall of the circumference of the fixed sleeve (2), the fixed sleeve (2) is clamped with the fixed spray pipe (1) through the two sets of clamping devices (4), an installation plate (6) is connected to the upper end of the inner side wall of the fixed spray pipe (1) through bolts, an installation frame (7) is welded at the center of the bottom of the installation plate (6), a micro motor (8) is arranged inside the installation frame (7), the top of the micro motor (8) is fixedly connected with the bottom of the installation plate (6), the output end of the micro motor (8) is fixedly connected with one end of a rotating rod (9) through, and extend to the lower part of the mounting frame (7), and a packing auger (10) is arranged on the rotating rod (9).

2. A 3D printer nozzle according to claim 1, characterized in that: the spray pipe is characterized in that insulation boards (13) are connected to two side walls of the fixed spray pipe (1) through bolts, a plurality of groups of heating pipes (14) are arranged between the insulation boards (13) and the fixed spray pipe (1), and each insulation board (13) comprises an inner asbestos layer and an outer rubber layer.

3. A 3D printer nozzle according to claim 1, characterized in that: clamping device (4) are including drawing piece (41), locating pin (42) and sliding block (43), fixed sleeving (2) left and right sides wall lower extreme all is provided with draws piece (41), draw piece (41) to be close to fixed sleeving (2) one end and carriage release lever one end fixed weld, the carriage release lever other end runs through fixed sleeving (2) outer wall to extend to the inside sliding tray of seting up of fixed sleeving (2) in, and fixed welding has sliding block (43), sliding block (43) and sliding tray sliding connection, the locating hole that corresponds with the sliding tray is all seted up to fixed spraying pipe (1) both sides wall upper end, is provided with locating pin (42) in the locating hole, locating pin (42) one end and sliding block (43) one end fixed weld, the cover is equipped with expanding spring on the carriage release lever.

4. A 3D printer nozzle according to claim 1, characterized in that: the equal fixed welding of lower extreme has connecting rod (11) on dwang (9) both sides wall, dwang (9) one end fixed welding has cleaning brush (12) is kept away from in connecting rod (11), the other end of cleaning brush (12) is contradicted on fixed spray tube (1) inside lateral wall.

5. A 3D printer nozzle according to claim 1, characterized in that: the fixed welding in fixed sleeve pipe (2) top has solid fixed ring (3), the mounting hole has all been seted up all around at solid fixed ring (3) top, bolted connection has filter screen (5) on the inside lateral wall of fixed sleeve pipe (2).