CN220841460U - Positioning device for printing needle head of 3D printer - Google Patents
Positioning device for printing needle head of 3D printer Download PDFInfo
- Publication number
- CN220841460U CN220841460U CN202321438095.6U CN202321438095U CN220841460U CN 220841460 U CN220841460 U CN 220841460U CN 202321438095 U CN202321438095 U CN 202321438095U CN 220841460 U CN220841460 U CN 220841460U
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- China
- Prior art keywords
- printing
- printing head
- positioning device
- steering engine
- shell
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- 238000007639 printing Methods 0.000 title claims abstract description 63
- 230000000712 assembly Effects 0.000 claims abstract description 25
- 238000000429 assembly Methods 0.000 claims abstract description 25
- 238000007790 scraping Methods 0.000 claims abstract description 13
- 239000000428 dust Substances 0.000 claims abstract description 9
- 230000005855 radiation Effects 0.000 claims description 6
- 230000000694 effects Effects 0.000 abstract description 7
- 238000005516 engineering process Methods 0.000 description 3
- 238000010146 3D printing Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000012255 powdered metal Substances 0.000 description 1
Abstract
The utility model discloses a positioning device of a printing needle head of a 3D printer, which comprises a rear plate, wherein the front side of the rear plate is provided with a shell, the front side of the rear plate is connected with two printing head assemblies through a positioning mechanism, and a scraping mechanism is arranged between the printing head assemblies; the positioning mechanism comprises a traction assembly, two sliding rails and two sliding blocks, wherein the sliding blocks are arranged on the front side and the rear side of the lower part of the printing head assembly. According to the positioning device for the printing needle head of the 3D printer, when the printing head assemblies are switched, the first steering engine is driven to operate, so that the bottoms of the two printing head assemblies are flush, the second steering engine is driven to operate, the scraper is driven to rotate, redundant consumables extruded from the bottoms of the two printing head assemblies are scraped off and are blown away by the dust removing fan, the leaked consumables are prevented from polluting a model, and then the first steering engine is driven to continuously operate, so that the first printing head assemblies are high and low, the other printing head assemblies are prevented from scraping the model during printing, and the printing effect is ensured.
Description
Technical Field
The utility model relates to the technical field of 3D printing, in particular to a positioning device for a printing needle head of a 3D printer.
Background
The 3D printing is one kind of fast forming technology, and is one kind of technology of constructing object with powdered metal, plastic or other adhesive material based on digital model file in layer-by-layer printing mode. In the printing process, the double-nozzle device is positioned at the same height under normal conditions, and in the printing process of one nozzle device, the other nozzle device is easy to scratch the model, so that the printing effect is influenced.
Disclosure of utility model
The utility model mainly aims to provide a positioning device for a printing needle head of a 3D printer, which can effectively solve the problems in the background technology.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
The positioning device of the printing needle head of the 3D printer comprises a rear plate, wherein a shell is arranged on the front side of the rear plate, two printing head assemblies are connected to the front side of the rear plate through a positioning mechanism, and a scraping mechanism is arranged between the printing head assemblies;
The positioning mechanism comprises a traction assembly, two sliding rails and two sliding blocks, wherein the sliding blocks are arranged on the front side and the rear side of the lower portion of the printing head assembly, one side of each sliding block, far away from the printing head assembly, is slidably connected to the periphery of each sliding rail, one sliding rail is arranged on the lower portion of the rear plate, and the other sliding rail is arranged on the inner side wall of the shell.
The rear side of the rear plate is provided with a connecting frame.
The front side of the shell is provided with a heat radiation hole, and the inner side wall of the shell is provided with a heat radiation fan.
The shell left and right sides is provided with the support, support keeps away from shell one side and is provided with the dust removal fan.
The traction assembly comprises a steering engine I, a main rod and an auxiliary rod, wherein the steering engine I is arranged in the middle of a rear plate, the middle of the main rod is fixedly connected to the front side output end of the steering engine I, one end of the auxiliary rod is rotationally connected to one end of the main rod, and the other end of the auxiliary rod is rotationally connected to the rear side of the upper portion of the sliding block.
The scraping mechanism comprises a steering engine and a scraper, wherein the middle part of the scraper is fixedly connected with the driving end at the lower side of the steering engine, and the scraper is arranged at the middle lower part of the shell.
Compared with the prior art, the utility model has the following beneficial effects:
1. When the printer head assembly is switched, the first driving steering engine operates, so that the bottoms of the two printer head assemblies are flush, the second driving steering engine operates, the scraper rotates, redundant consumables extruded from the bottoms of the two printer head assemblies are scraped, the dust removing fan blows away, the leaked consumables are prevented from polluting the model, the first driving steering engine continuously operates, the first printing head assembly is enabled to be high and low, the other printing head assembly is prevented from scraping the model during printing, and the printing effect is guaranteed.
Drawings
Fig. 1 is a schematic perspective view of a positioning device for a printing needle of a 3D printer according to the present utility model;
fig. 2 is a schematic diagram of an internal structure of a positioning device of a printing needle of a 3D printer according to the present utility model;
fig. 3 is a schematic view of a scraping mechanism of a positioning device of a printing needle of a 3D printer according to the present utility model;
Fig. 4 is a schematic structural diagram of a positioning mechanism of a positioning device for a printing needle of a 3D printer according to the present utility model.
In the figure: 1. a connecting frame; 2. a housing; 3. a heat radiation fan; 4. a heat radiation hole; 5. a bracket; 6. a dust removing fan; 7. a rear plate; 8. a printhead assembly; 9. a positioning mechanism; 901. steering engine I; 902. a main rod; 903. an auxiliary lever; 904. a slide rail; 905. a slide block; 10. a scraping mechanism; 1001. steering engine; 1002. a scraper.
Detailed Description
The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.
As shown in fig. 1-4, a positioning device for a printing needle of a 3D printer includes a rear plate 7, a housing 2 is provided at the front side of the rear plate 7, two print head assemblies 8 are connected to the front side of the rear plate 7 through a positioning mechanism 9, and a scraping mechanism 10 is provided between the print head assemblies 8.
In this embodiment, positioning mechanism 9 includes traction assembly, two slide rails 904 and two sliders 905, slider 905 installs both sides around printing head assembly 8 lower part, slider 905 keeps away from printing head assembly 8 one side sliding connection in slide rail 904 periphery, one of them slide rail 904 is installed in back plate 7 lower part, another slide rail 904 is installed at shell 2 inside wall, back plate 7 rear side is provided with link 1, shell 2 front side is provided with louvre 4, shell 2 inside wall is provided with radiator fan 3, shell 2 left and right sides is provided with support 5, support 5 is provided with dust removal fan 6 from shell 2 one side, traction assembly includes steering wheel one 901, mobile jib 902 and auxiliary rod 903, steering wheel one 901 is installed at back plate 7 middle part, mobile jib 902 middle part fixed connection is at steering wheel one 901 front side output, auxiliary rod 903 one end rotates to be connected in mobile jib 902 one end, the other end rotation of auxiliary rod 903 is connected in back side mobile jib 905 upper portion.
Specifically, during printing, the steering engine I901 is driven to operate according to the requirement, so that the main rod 902 rotates, one of the sliding blocks 905 is driven to move upwards along the sliding rail 904 through the auxiliary rod 903, the printing head assembly 8 connected with the main rod is made to move upwards, the other printing head assembly 8 is made to move downwards, the two printing head assemblies 8 are made to be high and low, and the other printing head assembly 8 is prevented from scraping the model during printing, so that the printing effect is ensured.
In this embodiment, the scraping mechanism 10 includes a steering engine 1001 and a scraper 1002, the middle part of the scraper 1002 is fixedly connected to the driving end at the lower side of the steering engine 1001, and the scraper 1002 is installed at the middle lower part of the housing 2.
Specifically, when the printhead assembly 8 is switched, the bottoms of the two printhead assemblies 8 are flush through the positioning mechanism 9, the steering engine is driven to rotate 1001, and the scraper 1002 rotates, so that redundant consumables extruded from the bottoms of the two printhead assemblies 8 are scraped off and blown away by the dust removal fan 6, the leaked consumables are prevented from polluting the model, and the printing effect is ensured.
Working principle:
When the printing head assemblies 8 are switched, the first steering engine 901 is driven to operate, the main rod 902 is enabled to rotate, one sliding block 905 is driven to move upwards along the sliding rail 904 through the auxiliary rod 903, the printing head assemblies 8 connected with the main rod are enabled to move upwards, the other printing head assemblies 8 are enabled to move downwards, the bottoms of the two printing head assemblies 8 are enabled to be flush through the positioning mechanism 9, the steering engine 1001 is driven to operate, the scraper 1002 is enabled to rotate, redundant consumables extruded from the bottoms of the two printing head assemblies 8 are scraped off and are blown away by the dust removal fan 6, a dripping consumable pollution model is prevented, the first steering engine 901 is driven to continuously operate, the first printing head assemblies 8 are enabled to be high or low, the other printing head assemblies 8 are prevented from scraping the model during printing, and a printing effect is guaranteed.
The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (6)
1. Positioning device of printing needle head of 3D printer, including back plate (7), its characterized in that: the front side of the rear plate (7) is provided with a shell (2), the front side of the rear plate (7) is connected with two printing head assemblies (8) through a positioning mechanism (9), and a scraping mechanism (10) is arranged between the printing head assemblies (8);
The positioning mechanism (9) comprises a traction assembly, two sliding rails (904) and two sliding blocks (905), wherein the sliding blocks (905) are arranged on the front side and the rear side of the lower portion of the printing head assembly (8), the sliding blocks (905) are far away from one side of the printing head assembly (8) and are slidably connected to the periphery of the sliding rails (904), one sliding rail (904) is arranged on the lower portion of the rear plate (7), and the other sliding rail (904) is arranged on the inner side wall of the shell (2).
2. The positioning device for a printing needle of a 3D printer according to claim 1, wherein: the rear side of the rear plate (7) is provided with a connecting frame (1).
3. The positioning device for a printing needle of a 3D printer according to claim 1, wherein: the front side of the shell (2) is provided with a heat radiation hole (4), and the inner side wall of the shell (2) is provided with a heat radiation fan (3).
4. The positioning device for a printing needle of a 3D printer according to claim 1, wherein: the dust removing device is characterized in that brackets (5) are arranged on the left side and the right side of the shell (2), and a dust removing fan (6) is arranged on one side, away from the shell (2), of the brackets (5).
5. The positioning device for a printing needle of a 3D printer according to claim 1, wherein: the traction assembly comprises a steering engine I (901), a main rod (902) and an auxiliary rod (903), wherein the steering engine I (901) is arranged in the middle of a rear plate (7), the middle of the main rod (902) is fixedly connected to the front side output end of the steering engine I (901), one end of the auxiliary rod (903) is rotationally connected to one end of the main rod (902), and the other end of the auxiliary rod (903) is rotationally connected to the upper portion of a sliding block (905) at the rear side.
6. The positioning device for a printing needle of a 3D printer according to claim 1, wherein: the scraping mechanism (10) comprises a steering engine (1001) and a scraper (1002), wherein the middle part of the scraper (1002) is fixedly connected to the driving end at the lower side of the steering engine (1001), and the scraper (1002) is arranged at the middle lower part of the shell (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321438095.6U CN220841460U (en) | 2023-06-07 | 2023-06-07 | Positioning device for printing needle head of 3D printer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321438095.6U CN220841460U (en) | 2023-06-07 | 2023-06-07 | Positioning device for printing needle head of 3D printer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220841460U true CN220841460U (en) | 2024-04-26 |
Family
ID=90786500
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321438095.6U Active CN220841460U (en) | 2023-06-07 | 2023-06-07 | Positioning device for printing needle head of 3D printer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220841460U (en) |
-
2023
- 2023-06-07 CN CN202321438095.6U patent/CN220841460U/en active Active
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