CN212888950U - 3D is extrusion mechanism for printer - Google Patents
3D is extrusion mechanism for printer Download PDFInfo
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- CN212888950U CN212888950U CN202021790374.5U CN202021790374U CN212888950U CN 212888950 U CN212888950 U CN 212888950U CN 202021790374 U CN202021790374 U CN 202021790374U CN 212888950 U CN212888950 U CN 212888950U
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- mounting frame
- driving motor
- pressing block
- wheel
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Abstract
An extrusion mechanism for a 3D printer relates to the technical field of three-dimensional object printing equipment, and comprises a printing nozzle, a heating block, a driving motor, a mounting frame and a pressing block, wherein the mounting frame is vertically arranged, the driving motor is installed on the rear side of the surface of the mounting frame, an output shaft of the driving motor movably penetrates through the mounting frame, a wire feeding wheel is arranged at the extending end of the output shaft of the driving motor, a boss is arranged at the bottom of the front side of the surface of the mounting frame plate, a right-angle pressing block is arranged at the top of the front side of the surface of the mounting frame plate, the right-angle end of the pressing block is correspondingly hinged with the corresponding angle end of the surface of the mounting frame, a pressing wheel corresponding to the wire feeding wheel is arranged at the bottom of the vertical edge of the pressing block, and a spring for enabling the pressing wheel to abut against; the utility model discloses effectively solved current extruding means structure complicacy, poor stability's problem.
Description
Technical Field
The utility model belongs to the technical field of three-dimensional object printing apparatus technique and specifically relates to an extrusion mechanism for 3D printer is related to.
Background
As is known, most of the existing 3D printing technologies are based on a discrete/stacked forming idea, a three-dimensional part model constructed by three-dimensional software is sliced layer by layer along a height direction to obtain cross-section information of each layer, the cross-section information is then output to a 3D printer to be scanned and filled layer by layer, and the three-dimensional part model is bonded and overlapped along the height direction; however, the existing extruding mechanism is limited by the influence of the volume structure, and it is difficult to ensure that the driven wheel can apply enough force to the printing consumables, so that the wire feeding is not stable, and the printing precision is seriously influenced.
Disclosure of Invention
In order to overcome not enough among the background art, the utility model discloses a 3D is extrusion mechanism for printer.
In order to achieve the purpose, the utility model adopts the following technical scheme:
an extrusion mechanism for a 3D printer comprises a printing nozzle, a heating block, a driving motor, a mounting frame and a pressing block, wherein the mounting frame is vertically arranged, the driving motor is installed on the rear side of the surface of the mounting frame, an output shaft of the driving motor movably penetrates through the mounting frame, a wire feeding wheel is arranged at the extending end of the output shaft of the driving motor, a boss is arranged at the bottom of the front side of the mounting frame plate, a right-angle pressing block is arranged at the top of the front side of the mounting frame plate, the right-angle end of the pressing block is correspondingly hinged with the corresponding angle end of the surface of the mounting frame, a pressing wheel corresponding to the wire feeding wheel is arranged at the bottom of the vertical edge of the pressing block, and a spring used for enabling the pressing wheel to abut against the wire feeding wheel is arranged between the bottom of one; the utility model discloses a printing nozzle, including mounting frame plate face, heat dissipation device, guide tube, heating block, guide tube, mounting frame plate face, heat dissipation device, heating block, and the position that the boss of mounting frame plate face front side bottom and the level limit of compact heap correspond the compact heap and send between the silk wheel all is equipped with the through-hole that is used for making the printing consumables to pass, the bottom of mounting frame plate face front side boss is equipped with heat dissipation device, is equipped with the guide tube that corresponds the intercommunication with the through-hole of mounting frame plate face boss in this heat dissipation device, and heat dissipation device is stretched out to the bottom of this guide tube.
Preferably, an adjusting knob is arranged at the end part of the extending end of the output shaft of the driving motor.
Preferably, the mounting frame plate boss is provided with a short shaft for preventing the spring from falling off corresponding to the bottom of the spring.
Preferably, the wheel rim surface of the pressing wheel is provided with an annular groove.
Preferably, the mounting frame and the heat dissipation device are of an integrated structure.
Preferably, the heat dissipation device is air-cooled heat dissipation or water-cooled heat dissipation.
Due to the adoption of the technical scheme, the utility model discloses following beneficial effect has:
the utility model discloses an extrusion mechanism for 3D printer, simple structure, easily assembly, stability is strong, compact heap horizontal edge is kept away from and is equipped with the spring that is used for making the pinch roller near the feed roller between the vertical limit one end bottom of compact heap and the installation frame plate face front side bottom boss, can rely on lever principle under the spring action of spring to make the compact heap deflect upwards along the corresponding articulated position of compact heap and installation frame, thereby make the pinch roller can press the printing consumables at the feed roller reason face, and then can drive the printing consumables to feed through the feed roller, simple structure, the good reliability; in addition, mounting bracket and heat abstractor formula structure as an organic whole, heat abstractor can enough cool off the interior printing consumables of stand pipe promptly, can dispel the heat to driving motor again simultaneously, avoids driving motor high temperature and damages.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic perspective view of the present invention.
In the figure: 1. a printing nozzle; 2. a heating block; 3. a mounting frame; 4. a drive motor; 5. a compression block; 6. a wire feeding wheel; 7. a pinch roller; 8. a spring; 9. a heat sink; 10. a guide tube; 11. adjusting a knob; 12. a minor axis.
Detailed Description
The invention will be explained in more detail by the following examples, which disclose the invention and are intended to protect all technical improvements within the scope of the invention.
With reference to the accompanying drawings 1-2, an extrusion mechanism for 3D printer comprises a printing nozzle 1, a heating block 2, an installation frame 3 and a driving motor 4, the installation frame 3 is vertically arranged, the driving motor 4 is installed on the rear side of the surface of the installation frame 3, the output shaft of the driving motor 4 movably penetrates through the installation frame 3, the extending end of the output shaft of the driving motor 4 is provided with a wire feeding wheel 6, the bottom of the front side of the surface of the installation frame 3 is provided with a boss, the top of the front side of the surface of the installation frame 3 is provided with a right-angle pressing block 5, the right-angle end of the pressing block 5 is correspondingly hinged with the corresponding angle end of the surface of the installation frame 3, the bottom of the vertical edge of the pressing block 5 is provided with a pressing wheel 7 corresponding to the wire feeding wheel 6, a spring 8 used for enabling the pressing wheel 7 to abut against the wire feeding wheel 6 is arranged between the bottom of one end of the vertical edge of the pressing block 5 and the boss at the bottom of the The printing supplies are deflected upwards, so that the pinch roller 7 can press the printing supplies on the edge surface of the wire feeding wheel 6, and the printing supplies can be driven to feed through the wire feeding wheel 6, and the structure is simple and the reliability is high; according to the requirement, a short shaft 12 for preventing the spring 8 from falling off is arranged on the position, corresponding to the bottom of the spring 8, of the boss on the surface of the mounting frame 3; the annular groove is formed in the rim surface of the pressing wheel 7, so that printing consumables can be clamped through the annular groove, and the printing consumables are prevented from being accidentally separated from the wire feeding wheel 6;
through holes for printing consumables to pass through are formed in the positions, corresponding to the positions between the pinch roller 7 and the wire feeding wheel 6, of the bosses at the bottom of the front side of the plate surface of the mounting frame 3 and the horizontal edges of the pinch block 5, heat dissipation devices 9 are arranged at the bottoms of the bosses at the front side of the plate surface of the mounting frame 3, and guide pipes 10 correspondingly communicated with the through holes in the bosses at the plate surface of the mounting frame 3 are arranged in the heat dissipation devices 9, so that the printing consumables in the guide pipes 10 can be dissipated through the heat dissipation devices 9, and the printing consumables are prevented from; according to the requirement, the heat dissipation device (9) is air-cooled heat dissipation or water-cooled heat dissipation; the bottom of the guide tube 10 extends out of the heat dissipation device 9, the extending end of the guide tube 10 is provided with a heating block 2, a gap is reserved between the heating block 2 and the heat dissipation device 9, and the bottom of the heating block 2 is provided with a printing nozzle 1 correspondingly communicated with the guide tube 10; in addition, the end part of the extending end of the output shaft of the driving motor 4 is provided with an adjusting knob 11, namely the wire feeding wheel 6 can be driven to rotate by the adjusting knob 11 before printing operation or when the driving motor 4 stops running, so that printing consumables can be adjusted conveniently, the structure is simple, and the operation is convenient; mounting bracket 3 and heat abstractor 9 formula structure as an organic whole, heat abstractor 9 can enough cool off the printing consumptive material in the stand pipe 10 promptly, can dispel the heat to driving motor 4 simultaneously again, avoids driving motor 4 high temperature and damages.
Implement 3D is extruding means for printer, make the printing consumables pass the through-hole of compact heap 5 during the use, press the printing consumables in sending 6 wheel flange faces of silk wheel through pinch roller 7, can put through driving motor 4's power, driving motor 4 drives and send silk wheel 6 rotatory, and then can drive the printing consumables to feed through sending silk wheel 6.
The part of the utility model not detailed is prior art.
Claims (6)
1. The utility model provides an extrusion mechanism for 3D printer, contains print nozzle (1), heating piece (2) and driving motor (4), characterized by: the device also comprises an installation rack (3) and a pressing block (5), wherein the installation rack (3) is vertically arranged, a driving motor (4) is installed on the rear side of the surface of the installation rack (3), the output shaft of the driving motor (4) movably penetrates through the mounting frame (3), the extending end of the output shaft of the driving motor (4) is provided with a wire feeding wheel (6), the bottom of the front side of the plate surface of the mounting frame (3) is provided with a boss, the top of the front side of the plate surface of the mounting frame (3) is provided with a right-angle-shaped pressing block (5), the right-angle corner end of the pressing block (5) is correspondingly hinged with the corresponding corner end of the plate surface of the mounting frame (3), a pressing wheel (7) corresponding to the wire feeding wheel (6) is arranged at the bottom of the vertical edge of the pressing block (5), and a spring (8) for enabling the pressing wheel (7) to abut against the wire feeding wheel (6) is arranged between the bottom of one end of the horizontal edge of the pressing block (5), which is far away from the vertical edge of the pressing block (5), and the boss at the bottom of the front side of the plate surface of the mounting frame (3); the utility model discloses a printing nozzle, including mounting bracket (3), heat dissipation device (9), mounting bracket (3) face front side boss and the level limit of compact heap (5) correspond pinch roller (7) and send the position between silk wheel (6) and all be equipped with the through-hole that is used for making the printing consumables to pass, the bottom of mounting bracket (3) face front side boss is equipped with heat abstractor (9), be equipped with in this heat abstractor (9) and correspond stand pipe (10) of intercommunication with the through-hole of mounting bracket (3) face boss, heat abstractor (9) are stretched out to the bottom of this stand pipe (10), the end that stretches out of stand pipe (10) is equipped with heating block (2), and leaves the interval between heating block (2) and heat abstractor (9), heating block (2) bottom is equipped with printing nozzle (1) that correspond the intercommunication.
2. The extrusion mechanism of claim 1, wherein: and an adjusting knob (11) is arranged at the end part of the extending end of the output shaft of the driving motor (4).
3. The extrusion mechanism of claim 1, wherein: the mounting bracket (3) is provided with a short shaft (12) corresponding to the bottom of the spring (8) and used for preventing the spring (8) from falling off.
4. The extrusion mechanism of claim 1, wherein: and the rim surface of the pressing wheel (7) is provided with an annular groove.
5. The extrusion mechanism of claim 1, wherein: the mounting frame (3) and the heat dissipation device (9) are of an integrated structure.
6. The extrusion mechanism of claim 1, wherein: the heat dissipation device (9) is air-cooled heat dissipation or water-cooled heat dissipation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021790374.5U CN212888950U (en) | 2020-08-25 | 2020-08-25 | 3D is extrusion mechanism for printer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021790374.5U CN212888950U (en) | 2020-08-25 | 2020-08-25 | 3D is extrusion mechanism for printer |
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| Publication Number | Publication Date |
|---|---|
| CN212888950U true CN212888950U (en) | 2021-04-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021790374.5U Active CN212888950U (en) | 2020-08-25 | 2020-08-25 | 3D is extrusion mechanism for printer |
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| Country | Link |
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| CN (1) | CN212888950U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113478830A (en) * | 2021-07-22 | 2021-10-08 | 合肥中健利普医疗科技有限公司 | Feeding device for 3D printer |
-
2020
- 2020-08-25 CN CN202021790374.5U patent/CN212888950U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113478830A (en) * | 2021-07-22 | 2021-10-08 | 合肥中健利普医疗科技有限公司 | Feeding device for 3D printer |
| CN113478830B (en) * | 2021-07-22 | 2023-10-13 | 合肥中健利普医疗科技有限公司 | Material feeding unit for 3D printer |
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