CN211763535U - Extruder of 3D printer - Google Patents
Extruder of 3D printer Download PDFInfo
- Publication number
- CN211763535U CN211763535U CN201922434082.1U CN201922434082U CN211763535U CN 211763535 U CN211763535 U CN 211763535U CN 201922434082 U CN201922434082 U CN 201922434082U CN 211763535 U CN211763535 U CN 211763535U
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- China
- Prior art keywords
- nozzle
- extruder
- bearing sleeve
- symmetrically
- positioning
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 238000009434 installation Methods 0.000 abstract description 8
- 235000008331 Pinus X rigitaeda Nutrition 0.000 abstract description 3
- 235000011613 Pinus brutia Nutrition 0.000 abstract description 3
- 241000018646 Pinus brutia Species 0.000 abstract description 3
- 238000001125 extrusion Methods 0.000 description 6
- 238000007639 printing Methods 0.000 description 4
- 238000005452 bending Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000010146 3D printing Methods 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
Images
Abstract
The utility model relates to an extruder of 3D printer, concretely relates to 3D printer field, including the extruder casing, the positive fixed mounting at extruder casing top has drive arrangement, the positive fixedly connected with connecting pipe of extruder casing bottom, the left and right sides symmetry fixedly connected with reference column of extruder casing bottom, and the fixed orifices of its left and right sides of intercommunication is seted up to the left bottom symmetry of two reference columns, and the bottom of connecting pipe is provided with the nozzle, and nozzle cavity's top is provided with the antifriction ring, and the mounting panel has been cup jointed to the one end at nozzle top. The utility model discloses a cooperation work of reference column, mounting panel, locating hole that set up facilitates the location installation nozzle, for the quick replacement nozzle provides strong support, and then makes things convenient for the printer to carry out work according to the environment, through the antifriction ring that sets up, when making the nozzle connect inseparable, the wear rate of nozzle when reducing the change avoids the nozzle to produce the pine and takes off.
Description
Technical Field
The utility model relates to a 3D printer technical field, more specifically say, the utility model relates to an extruder of 3D printer.
Background
The 3D printing technology is a kind of rapid forming manufacturing technology which is rapidly developed in recent years, and is a manufacturing method which is based on a computer technology and used for stacking, bonding and forming materials such as metal, ceramic powder, plastic, cell tissues and the like layer by using a high-energy laser beam, a hot melting nozzle and the like through a software layering dispersion and numerical control forming system. In the prior art, there are two types of commonly used 3D printers: a parallel arm 3D printer; the other is a cartesian coordinate system type 3D printer, however, the extrusion device is installed as a large aperture extrusion head when the outline and the infill of the model main body of larger size are printed, and is installed as a small aperture extrusion head when printing the small size and the fine part. The printing efficiency can be improved by using the large-aperture extrusion head; the use of a small bore extrusion head can ensure the accuracy requirements of the model appearance. According to the requirements of the printing process, the extrusion heads with different apertures need to be frequently and manually replaced to realize printing.
SUMMERY OF THE UTILITY MODEL
In order to overcome prior art's above-mentioned defect, the embodiment of the utility model provides an extruder of 3D printer, through the reference column that sets up, the cooperation work of mounting panel, locating hole, the easy location installation nozzle provides strong support for the quick replacement nozzle, and then makes things convenient for the printer to carry out work according to the environment, through the antifriction ring that sets up, when making the nozzle connection inseparable, the wear rate of nozzle when reducing the change avoids the nozzle to produce the pine and take off 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: an extruder of a D printer comprises an extruder shell, wherein a driving device is fixedly mounted in the center of the top of the extruder shell, a connecting pipe is fixedly connected in the center of the bottom of the extruder shell, positioning columns are symmetrically and fixedly connected in the left side and the right side of the bottom of the extruder shell, fixing holes communicated with the left side and the right side of the positioning columns are symmetrically formed in the left bottoms of the two positioning columns, a nozzle is arranged at the bottom of the connecting pipe, a wear-reducing ring is arranged at the top of an inner cavity of the nozzle, a mounting plate is sleeved at one end of the top of the nozzle, positioning holes communicated with the top and the bottom of the mounting plate are symmetrically formed in the left side and the right side of the bottom of the mounting plate, a bearing sleeve is symmetrically and fixedly connected in the left side and the right side of the bottom of the mounting plate, a positioning rod, and extension springs are symmetrically sleeved at the other ends of the two positioning rods, limiting rings are symmetrically arranged in the centers of the left side and the right side of the bearing sleeve, and guide rails are symmetrically and fixedly connected to the middle parts of the top inner wall and the bottom inner wall of the bearing sleeve.
In a preferred embodiment, one end of the top of the connecting pipe penetrates through the outer wall of the bottom of the extruder shell and extends into the extruder shell, the inner cavity of the nozzle is communicated with the outside from the center of the top and the bottom of the nozzle, the front surface, the back surface, the left side and the right side of the antifriction ring are attached to the inner wall of the nozzle and fixedly connected with the inner wall, one end of the bottom of the connecting pipe penetrates through the antifriction ring and extends into the nozzle, and the connecting pipe is attached to the wall body of the antifriction ring.
In a preferred embodiment, one end of the bottom of each of the two positioning columns penetrates through the two positioning holes and extends to the outer side of the bottom of the mounting plate, the positioning columns are tightly attached to the inner walls of the positioning holes, the fixing holes are formed in the outer side of the bottom of the mounting plate, and the two positioning holes are formed between the two bearing sleeves.
In a preferred embodiment, one end of the spacing ring close to the bearing sleeve penetrates through the outer wall of the bearing sleeve and extends to the inside of the bearing sleeve, and the spacing ring is tightly attached and fixedly connected with the wall body of the bearing sleeve.
In a preferred embodiment, the left end and the right end of the positioning rod respectively penetrate through the two limiting rings and extend to the outside of the bearing sleeve, and the positioning rod is tightly attached to the wall body of the bearing sleeve.
In a preferred embodiment, the anti-slip cap is arranged outside the bearing sleeve, the other ends of the two positioning rods respectively penetrate through the two fixing holes and extend to between the two positioning columns, and the positioning rods are tightly attached to the inner walls of the fixing holes.
In a preferred embodiment, the sliding blocks are arranged inside an inner cavity of the bearing sleeve, one ends of the two sliding blocks, which are far away from the positioning rod, extend to the insides of the two guide rails and are matched with the inner walls of the guide rails respectively, the extension spring is arranged inside the inner cavity of the bearing sleeve, one end of the extension spring is fixedly arranged on the inner wall of the side surface of the bearing sleeve, and the other end of the extension spring is fixedly arranged on the sliding blocks.
The utility model discloses a technological effect and advantage:
1. the nozzle is convenient to position and mount through the matching work of the arranged positioning column, the mounting plate and the positioning hole, and powerful support is provided for quickly replacing the nozzle, so that the printer can conveniently work according to the environment;
2. get into the fixed orifices through the locating lever that sets up and lock the reference column, the installation that makes the nozzle has stable basis, spacing collar through the setting, the guide rail, the cooperation work of slider, provide the direction for the removal of locating lever, it advances accurately to make the locating lever to the location of reference column, strengthen the bending resistance ability of locating lever simultaneously, avoid the locating lever atress to buckle, through the extension spring who sets up, after the pulling locating lever shifts out the fixed orifices, facilitate for the restoration of locating lever, also provide power for the locating lever when the installation nozzle simultaneously, the antiskid of cooperation antiskid cap, make the removal convenient and fast of locating lever.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is an enlarged view of a portion a in fig. 1 according to the present invention.
Fig. 3 is an enlarged view of the point B in fig. 2 according to the present invention.
The reference signs are: the device comprises an extruder shell 1, a driving device 2, a connecting pipe 3, a positioning column 4, a fixing hole 5, a nozzle 6, a wear-reducing ring 7, an installation plate 8, a positioning hole 9, a bearing sleeve 10, a limiting ring 11, a guide rail 12, a positioning rod 13, an anti-skid cap 14, a sliding block 15 and a tension spring 16.
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 extruder of the 3D printer shown in the attached figure 1-2 comprises an extruder shell 1, a driving device 2 is fixedly arranged in the center of the top of the extruder shell 1, a connecting pipe 3 is fixedly connected in the center of the bottom of the extruder shell 1, positioning columns 4 are symmetrically and fixedly connected on the left side and the right side of the bottom of the extruder shell 1, fixing holes 5 communicated with the left side and the right side of the two positioning columns 4 are symmetrically arranged at the bottoms of the left sides of the two positioning columns 4, a nozzle 6 is arranged at the bottom of the connecting pipe 3, an anti-friction ring 7 is arranged at the top of an inner cavity of the nozzle 6, a mounting plate 8 is sleeved at one end of the top of the nozzle 6, positioning holes 9 communicated with the top and the bottom of the mounting plate 8 are symmetrically arranged on the left side and the right side of the bottom of the mounting plate 8, a bearing sleeve 10 is, the middle parts of the top and the bottom of the positioning rods 13 are symmetrically and fixedly connected with sliding blocks 15, the other ends of the two positioning rods 13 are symmetrically sleeved with extension springs 16, one end of the top of the connecting pipe 3 penetrates through the outer wall of the bottom of the extruder shell 1 and extends to the inside of the extruder shell 1, the inner cavity of the nozzle 6 is communicated with the outside through the centers of the top and the bottom of the nozzle, the front surface of the antifriction ring 7, the back and the left and right sides are attached to the inner wall of the nozzle 6 and fixedly connected, one end of the bottom of the connecting pipe 3 penetrates through the antifriction ring 7 and extends to the inside of the nozzle 6, the connecting pipe 3 is attached to the wall body of the antifriction ring 7, one ends of the bottoms of the two positioning columns 4 penetrate through the two positioning holes 9 respectively and extend to the outer side of the bottom of the mounting plate 8, the positioning columns 4 are closely attached to the inner wall of the positioning holes 9, the fixing holes 5 are arranged on the outer side of the bottom of the mounting plate 8, and the two positioning holes 9 are arranged between the two bearing.
The implementation mode is specifically as follows: through the cooperation work of reference column 4, mounting panel 8, locating hole 9 that set up, easy location installation nozzle 6 provides strong support for quick replacement nozzle 6, and then makes things convenient for the printer to carry out work according to the environment, through the antifriction ring 7 that sets up, when making nozzle 6 connect inseparable, the wear rate of nozzle 6 when reducing the change avoids nozzle 6 to produce the pine to take off.
The extruder of the 3D printer shown in the attached figure 3 further comprises two limiting rings 11, the two limiting rings 11 are symmetrically arranged in the center of the left side and the right side of the bearing sleeve 10, the middle parts of the top inner wall and the bottom inner wall of the bearing sleeve 10 are symmetrically and fixedly connected with guide rails 12, one end of the limiting ring 11 close to the bearing sleeve 10 penetrates through the outer wall of the bearing sleeve 10 and extends to the inside of the bearing sleeve 10, the limiting ring 11 is closely attached and fixedly connected with the wall body of the bearing sleeve 10, the left end and the right end of a positioning rod 13 respectively penetrate through the two limiting rings 11 and extends to the outside of the bearing sleeve 10, the positioning rod 13 is closely attached to the wall body of the bearing sleeve 10, an anti-slip cap 14 is arranged outside the bearing sleeve 10, the other ends of the two positioning rods 13 respectively penetrate through the two fixing holes 5 and extend to between the two positioning columns 4, the positioning rod 13 is closely attached to the inner wall of, one ends of the two sliding blocks 15, which are far away from the positioning rod 13, extend to the insides of the two guide rails 12 respectively and are matched with the inner walls of the guide rails 12, the extension spring 16 is arranged inside the inner cavity of the bearing sleeve 10, one end of the extension spring 16 is fixedly arranged on the inner wall of the side surface of the bearing sleeve 10, and the other end of the extension spring 16 is fixedly arranged on the sliding blocks 15.
The implementation mode is specifically as follows: get into fixed orifices 5 through the locating lever 13 that sets up and lock reference column 4, make the installation of nozzle 6 have stable basis, spacing collar 11 through setting up, guide rail 12, slider 15's cooperation work, provide the direction for the removal of locating lever 13, make locating lever 13 advance accurately to the location of reference column 4, strengthen locating lever 13's bending resistance ability simultaneously, avoid locating lever 13 atress to buckle, through the extension spring 16 that sets up, after pulling locating lever 13 shifts out fixed orifices 5, facilitate for the resetting of locating lever 13, also provide power for locating lever 13 when installing nozzle 6 simultaneously, cooperate the antiskid of skid-proof cap 14, make the removal convenient and fast of locating lever 13.
The utility model discloses the theory of operation:
referring to the attached drawings 1-2 of the specification, the nozzle 6 is conveniently positioned and installed through the matching work of the positioning column 4, the installation plate 8 and the positioning hole 9, powerful support is provided for rapidly replacing the nozzle 6, the printer can conveniently work according to the environment, the wear-reducing ring 7 is arranged, so that the nozzle 6 is tightly connected, the wear rate of the nozzle 6 during replacement is reduced, and the nozzle 6 is prevented from loosening;
referring to the attached drawing 3 of the specification, the positioning column 4 is locked by the positioning rod 13 which is arranged in the fixing hole 5, so that the nozzle 6 is stably installed, the limiting ring 11, the guide rail 12 and the sliding block 15 are arranged to cooperate to provide guidance for the movement of the positioning rod 13, the positioning rod 13 is accurately positioned on the positioning column 4, the bending resistance of the positioning rod 13 is enhanced, the positioning rod 13 is prevented from being stressed and bent, the positioning rod 13 is conveniently reset by the aid of the stretching spring 16 which is arranged after the positioning rod 13 is pulled to move out of the fixing hole 5, meanwhile, the positioning rod 13 is also provided with power when the nozzle 6 is installed, the anti-skidding cap 14 is matched to prevent skidding, and the positioning rod 13 is convenient and rapid to move.
In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (7)
1. An extruder of 3D printer, includes extruder casing (1), its characterized in that: the center fixed mounting at the top of the extruder shell (1) is provided with a driving device (2), the center fixed connection pipe (3) at the bottom of the extruder shell (1) is provided with a left and right symmetrical fixed connection reference column (4) at the bottom of the extruder shell (1), two fixed holes (5) communicated with the left and right sides of the reference column (4) are symmetrically formed in the left bottom of the reference column (4), the bottom of the connection pipe (3) is provided with a nozzle (6), the top of the inner cavity of the nozzle (6) is provided with a wear-reducing ring (7), a mounting plate (8) is sleeved at one end of the top of the nozzle (6), positioning holes (9) communicated with the top and the bottom of the mounting plate (8) are symmetrically formed in the left and right sides of the bottom of the mounting plate (8), a bearing sleeve (10) is symmetrically and fixedly connected with the left and right sides, anti-skid caps (14) are symmetrically and fixedly connected to the opposite ends of the two positioning rods (13), sliding blocks (15) are symmetrically and fixedly connected to the middles of the top and the bottom of the positioning rods (13), and extension springs (16) are symmetrically sleeved at the other ends of the two positioning rods (13);
the middle of the left side and the right side of the bearing sleeve (10) is symmetrically provided with a limiting ring (11), and the middle of the top and the bottom inner wall of the bearing sleeve (10) is symmetrically and fixedly connected with a guide rail (12).
2. The extruder of a 3D printer according to claim 1, wherein: the one end at connecting pipe (3) top runs through the outer wall of extruder casing (1) bottom and extends to the inside of extruder casing (1), the inner chamber of nozzle (6) is linked together with the external world by the centre of its top and bottom, the front, the back and the left and right sides of antifriction ring (7) laminate the inner wall and the fixed connection of nozzle (6), the one end of connecting pipe (3) bottom runs through antifriction ring (7) and extends to the inside of nozzle (6), connecting pipe (3) laminate with the wall body of antifriction ring (7) mutually.
3. The extruder of a 3D printer according to claim 2, wherein: two the one end of reference column (4) bottom runs through two locating holes (9) respectively and extends to the outside of mounting panel (8) bottom, reference column (4) closely laminates with the inner wall of locating hole (9), the outside in mounting panel (8) bottom is seted up in fixed orifices (5), two locating hole (9) are seted up between two bearing cover (10).
4. The extruder of a 3D printer according to claim 1, wherein: one end of the limiting ring (11) close to the bearing sleeve (10) penetrates through the outer wall of the bearing sleeve (10) and extends into the bearing sleeve (10), and the limiting ring (11) is tightly attached to and fixedly connected with the wall body of the bearing sleeve (10).
5. The extruder of a 3D printer according to claim 4, wherein: the left end and the right end of the positioning rod (13) penetrate through the two limiting rings (11) respectively and extend to the outside of the bearing sleeve (10), and the positioning rod (13) is tightly attached to the wall body of the bearing sleeve (10).
6. The extruder of a 3D printer according to claim 5, wherein: the anti-skidding cap (14) is arranged outside the bearing sleeve (10), the other ends of the two positioning rods (13) penetrate through the two fixing holes (5) respectively and extend to positions between the two positioning columns (4), and the positioning rods (13) are tightly attached to the inner walls of the fixing holes (5).
7. The extruder of claim 6, wherein: the slide blocks (15) are arranged inside an inner cavity of the bearing sleeve (10), one ends, far away from the positioning rods (13), of the slide blocks (15) extend to the insides of the two guide rails (12) respectively and are matched with the inner walls of the guide rails (12), the extension springs (16) are arranged inside the inner cavity of the bearing sleeve (10), one ends of the extension springs (16) are fixedly arranged on the inner walls of the side faces of the bearing sleeve (10), and the other ends of the extension springs (16) are fixedly arranged on the slide blocks (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922434082.1U CN211763535U (en) | 2019-12-30 | 2019-12-30 | Extruder of 3D printer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922434082.1U CN211763535U (en) | 2019-12-30 | 2019-12-30 | Extruder of 3D printer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211763535U true CN211763535U (en) | 2020-10-27 |
Family
ID=72978129
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922434082.1U Expired - Fee Related CN211763535U (en) | 2019-12-30 | 2019-12-30 | Extruder of 3D printer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211763535U (en) |
-
2019
- 2019-12-30 CN CN201922434082.1U patent/CN211763535U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201027 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |