CN107877864B - 3D printer material transmission device - Google Patents
3D printer material transmission device Download PDFInfo
- Publication number
- CN107877864B CN107877864B CN201711350856.1A CN201711350856A CN107877864B CN 107877864 B CN107877864 B CN 107877864B CN 201711350856 A CN201711350856 A CN 201711350856A CN 107877864 B CN107877864 B CN 107877864B
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- Prior art keywords
- upper top
- top plate
- lower bottom
- bottom plate
- damping rubber
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- 239000000463 material Substances 0.000 title claims abstract description 60
- 230000005540 biological transmission Effects 0.000 title abstract description 6
- 230000000149 penetrating effect Effects 0.000 claims abstract description 48
- 238000007639 printing Methods 0.000 claims abstract description 35
- 238000013016 damping Methods 0.000 claims abstract description 29
- 238000009413 insulation Methods 0.000 claims abstract description 14
- 239000007921 spray Substances 0.000 claims abstract description 13
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 10
- 229910052742 iron Inorganic materials 0.000 claims description 5
- 238000010146 3D printing Methods 0.000 abstract description 12
- 238000000034 method Methods 0.000 abstract description 11
- 238000012856 packing Methods 0.000 abstract 2
- 230000007547 defect Effects 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 6
- 238000013461 design Methods 0.000 description 5
- 238000005299 abrasion Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 238000011960 computer-aided design Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 210000000845 cartilage Anatomy 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y40/00—Auxiliary operations or equipment, e.g. for material handling
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Ink Jet (AREA)
Abstract
The invention provides a material transmission device of a 3D printer, and belongs to the technical field of 3D printing equipment. The device includes roof, lower plate, upper roof damping rubber piece, lower plate damping rubber piece, fixed screw, lightening hole, shower nozzle connector, but screw in glassware, material hole, high temperature resistant heat insulating tube, bolt, nut and packing ring are worn to the screw in, and roof and lower plate mutually perpendicular installs on printing shower nozzle bearing structure, and upper roof damping rubber piece and lower plate damping rubber piece paste respectively in roof and lower plate lateral surface, and the packing ring pastes respectively in fixed screw department. The upper top plate and the lower bottom plate are fixed and screwed by bolts and nuts. The spray head connector can be screwed into the penetrating device in a rotating way, the high-temperature-resistant heat insulation pipe is sleeved in the penetrating hole, and finally the printing material is pulled into the penetrating hole. The device has solved clip type device among the current 3D printing technique and has easily been popped off, unstable defect that the feeding is difficult.
Description
Technical Field
The invention relates to the technical field of 3D printing equipment, in particular to a material transmission device of a 3D printer.
Background
The 21 st century is the information digitization age, and the rapid development and popularization of 3D printing technology make informatization and digital manufacturing a reality. The journal of the united kingdom journal monograph reports and is referred to as the "third industrial revolution". The 3D printing technology is a technology for designing a model to be printed by utilizing software such as CAD (computer aided design) and the like, storing the model into a format recognized by a 3D printer, finishing digital slicing by professional software, sending slice information instructions to the 3D printer, and then adding materials layer by continuous physical layer superposition to generate a three-dimensional entity. At present, the 3D printing technology is widely applied in the field of industrial design, manufacturing and biological manufacturing. Large automobile brands such as lanbokini, BMW and the like all use 3D printing technology to manufacture automobile parts. In the field of biotechnology, 3D printed joint, bone, cartilage and muscle systems have been available to replace damaged organs of the human body. The 3D printing technology is also gradually brand-new in the unmanned aerial vehicle aviation field.
Taking a desktop-level 3D printer as an example, the printing structure transmission device mainly comprises a printing nozzle, a nozzle supporting structure, a fan, a motor, cooling fins, a feed inlet, a nozzle clip and the like. While the clip resembles a small clip, the connection force is far from sufficient for the required stabilization during printing. This causes two problems. Firstly, the connection between the feed inlet and the printing spray head is easy to loosen due to the clamping buckle, so that the feeding is very troublesome and a great amount of time is consumed. Secondly, because the shower nozzle removes the laying head along different tracks in the printing process, the removal process often takes place the feed inlet and pops out, leads to feeding failure to lead to printing failure.
In view of the above, it is necessary to redesign the connection structure of the feeding clip and the printing head, i.e., the material transporting device. Avoiding interruption of the printing process, ensuring printing "from end to end".
Disclosure of Invention
The invention aims to solve the technical problem of providing a material transmission device of a 3D printer, which solves the problem of printing interruption caused by clip ejection due to clip loosening in the printing process.
The device comprises an upper top plate, a lower bottom plate, an upper top plate damping rubber sheet, a lower bottom plate damping rubber sheet, a fixed screw hole, a lightening hole, a nozzle connector, a screw-in material penetrating device, a material penetrating hole, a high-temperature resistant heat insulation pipe, a bolt, a nut and a gasket; the upper top plate and the lower bottom plate are mutually perpendicular and are arranged on the printing nozzle supporting structure, the upper top plate damping rubber sheet and the lower bottom plate damping rubber sheet are respectively attached to the outer side surfaces of the upper top plate and the lower bottom plate, and the gasket is respectively attached to the inner side fixing screw holes of the upper top plate and the lower bottom plate; the upper top plate is provided with a lightening hole; the upper top plate and the lower bottom plate are fixedly screwed up through bolts and nuts; the high-temperature resistant heat insulation pipe is sleeved in the material penetrating hole, and the printing material is pulled into the material penetrating hole.
The upper top plate and the lower bottom plate are rectangular thin iron plates and are respectively fixed in the fixing screw holes through bolts and nuts; the rectangular thin iron plate is 6-12cm long, 4-10cm wide and 0.3-1.5cm thick.
The shape of the upper top plate damping rubber sheet and the lower bottom plate damping rubber sheet is the same as that of the upper top plate and the lower bottom plate, the thickness is 0.1-1.0cm, and holes are formed in the positions of the upper top plate and the lower bottom plate, which are provided with fixing screw holes, in the same way.
The lightening hole penetrates through the upper top plate, and the aperture specification of the lightening hole is 0.3-1.0cm.
The lower bottom plate is internally provided with a spray head connector which is in a circular tube shape and is carved with internal threads, the thickness of the tube wall of the spray head connector is 0.2-1.0cm, the diameter of an inner tube is 1.0-2.0cm, the diameter of an outer tube is 1.4-4.0cm, and the height of the tube is 3-10cm.
The screw-in type material penetrating device is provided with external threads, the head of the screw-in type material penetrating device is of an external hexagon, the screw-in type material penetrating device can be screwed into the nozzle connector in a rotating mode, the width of the head of the screw-in type material penetrating device is 1.4-3.0cm, the thickness of the head is 0.5-1.5cm, the diameter of the screw rod of the screw-in type material penetrating device is 0.6-2.0cm, and the length of the screw rod is 3-10cm.
The material penetrating hole penetrates through the screw-in material penetrating device, the aperture of the material penetrating hole is 0.3-1.0cm, and the length of the material penetrating hole is 3-10cm.
The high temperature resistant heat insulation pipe is sleeved into the screw-in penetrating device, the printing wire rod is pulled into the high temperature resistant heat insulation pipe, the diameter of the high temperature resistant heat insulation pipe is 0.3-1.0cm, and the length is 4 cm-30 cm.
The specification of the bolt is M3-M8.
The technical scheme of the invention has the following beneficial effects:
the device is rational in infrastructure, and the simple operation adopts but screw in formula feeding design, has avoided the printing interruption that pops out printing material and lead to in the printing process completely, guarantees to print the going on of high efficiency. Meanwhile, the damping rubber sheets are respectively arranged on the upper plate and the lower plate, so that vibration and abrasion in the printing process are effectively reduced. The design of the lightening holes effectively reduces the overall weight, and the lightening holes become a complete system through bolt fixation, so that the stability and the efficiency of the lightening holes are greatly improved compared with the prior clip type. The structure of the invention is wear-resistant, and has long service life and low cost. Good printing conditions are provided for 3D printing.
Drawings
Fig. 1 is a schematic diagram of a split structure of a material transferring device of a 3D printer according to the present invention;
fig. 2 is a schematic structural diagram of a 3D printer material transporting device according to the present invention.
Wherein: 1-an upper top plate; 2-a lower plate; 3-an upper top plate damping rubber sheet; 4-a damping rubber sheet of the lower bottom plate; 5-fixing screw holes; 6-lightening holes; 7-a spray head connector; 8-a screw-in material penetrating device; 9, a material penetrating hole; 10-a high-temperature resistant heat insulation pipe; 11-bolts; 12-nut; 13-washers.
Detailed Description
In order to make the technical problems, technical solutions and advantages to be solved more apparent, the following detailed description will be given with reference to the accompanying drawings and specific embodiments.
The invention provides a 3D printer material conveying device.
As shown in fig. 1 and 2, the device comprises an upper top plate 1, a lower bottom plate 2, an upper top plate damping rubber sheet 3, a lower bottom plate damping rubber sheet 4, a fixed screw hole 5, a lightening hole 6, a nozzle connector 7, a screw-in material penetrating device 8, a material penetrating hole 9, a high-temperature resistant heat insulation pipe 10, a bolt 11, a nut 12 and a gasket 13; the upper top plate 1 and the lower bottom plate 2 are mutually vertical and are arranged on a printing nozzle supporting structure, the upper top plate damping rubber sheet 3 and the lower bottom plate damping rubber sheet 4 are respectively attached to the outer side surfaces of the upper top plate 1 and the lower bottom plate 2, and the gasket 13 is respectively attached to the fixing screw holes 5 on the inner sides of the upper top plate 1 and the lower bottom plate 2; the upper top plate 1 is provided with a lightening hole 6; the upper top plate 1 and the lower bottom plate 2 are fixedly screwed by bolts 11 and nuts 12; the rotary penetrating device 8 can be screwed into the nozzle connector 7 in a rotary mode, the high-temperature-resistant heat insulation pipe 10 is sleeved in the penetrating hole 9, and the printing material is pulled into the penetrating hole 9.
The upper top plate 1 and the lower bottom plate 2 are rectangular thin iron plates, the length of the plates is 8cm, the width of the plates is 4cm, and the thickness of the plates is 0.3cm. The longer end surfaces of the two plates are mutually and perpendicularly connected. The upper top plate 1 is internally provided with 3 fixing screw holes 5 which penetrate through the upper top plate 1, the positions of the fixing screw holes 5 are respectively positioned at 1/4 position from the top end of the upper top plate and 1/4 position from the left end of the upper top plate, 1/4 position from the top end of the upper top plate, 3/4 position from the left end of the upper top plate and 3/4 position from the top end of the upper top plate and 2/4 position from the left end of the upper top plate, and the aperture is 0.3cm. The 3 fixing screw holes 5 are connected to form an isosceles triangle. The lightening holes 6 are respectively positioned at 3/4 of the top end of the upper top plate, 1/4 of the left end of the upper top plate and 1/4 of the top end of the upper top plate, 3/4 of the left end of the upper top plate, and the aperture is 0.3cm, so that the lightening holes can reduce the whole weight, ensure the light structure and increase the stability. The lower bottom plate 2 is internally provided with 2 fixing screw holes 5 which penetrate through the lower bottom plate 2, are respectively positioned at the 1/8 position and the 7/8 position of the central axis of the bottom plate, are symmetrical by a central line, and have the aperture of 0.3cm.
The nozzle connector 7 is a barrel carved with an internal thread groove, is positioned at the center of the lower bottom plate and penetrates through the lower bottom plate 2, the nozzle connector 7 penetrates through the lower bottom plate 2, the center of a circle of a penetrating hole of the nozzle connector and the center of a fixed screw hole 5 arranged in the lower bottom plate 2 are positioned on an axis, the thickness of the wall of the nozzle connector 7 is 0.2cm, the inner diameter is 0.5cm, the outer diameter is 0.7cm, and the height of the nozzle connector is 3cm. The upper top plate damping rubber sheet 3 and the lower bottom plate damping rubber sheet 4 are respectively stuck to the outer side surfaces of the upper top plate 1 and the lower bottom plate 2, screw hole positions respectively correspond to the fixed screw hole positions of the upper plate and the lower plate, and the gasket 13 is stuck to the inner side surfaces of the upper plate and the lower plate.
The lower bottom plate 2 is connected with the 3D printing spray head structure, the upper top plate 1 is connected with the printing support structure, bolts 11 penetrate through the 3D printing support structure to support the plate surface, the upper plate, the lower plate and each hole site of the damping fin, and nuts 12 are used for tightening and fixing. And taking M3-M8 as the specification of the bolt. The head part of the screw-in type material penetrating device 8 is an external hexagon, the width of the head part is 1.4cm, the thickness of the head part is 0.3cm, the screw is carved with external threads, the diameter of the screw is 1.0cm, and the length of the screw is 3cm. The material penetrating hole 9 penetrates through the rotatable material penetrating device 8, the inner diameter is 0.3cm, the rotatable material penetrating device 8 is slowly rotated and screwed into the nozzle connector 7, and the rotation can be stopped when the rotatable material penetrating device is rotated to the hexagonal end part outside the head, as shown in a structural diagram 2. Thus, the 3D printer material wire can be stably conveyed to the printing nozzle through the material penetrating hole 9, the screw-in penetrating device 8 and the nozzle connector 7. In order to prevent the threading and abrasion of the threading hole 9 during working, the high-temperature-resistant heat insulation pipe 10 is sleeved on the threading hole 9. Therefore, in the printing process, the upper top plate 1, the lower bottom plate 2, the upper top plate damping rubber sheet 3, the lower bottom plate damping rubber sheet 4, the fixed screw holes 5, the lightening holes 6, the spray head connector 7, the screwable material penetrating device 8, the material penetrating holes 9, the high-temperature resistant heat insulation pipe 10, the bolts 11, the nuts 12 and the gaskets 13 form a whole, and the stable, efficient and continuous printing of 3D printing is ensured.
The invention adopts a screw-in feeding design, completely avoids the problem of printing interruption caused by high-frequency ejection of printing materials generated by the movement of the spray head in the printing process, and ensures that printing is performed efficiently, stably and continuously. Meanwhile, the damping rubber sheets are respectively arranged on the upper plate and the lower plate, so that vibration and abrasion in the printing process are effectively reduced, and the stability of the working process is improved. The abrasion to materials in the spinning process is effectively reduced through the heat-insulating hose. The design of the lightening holes effectively reduces the overall weight, and the lightening holes become a complete system through bolt fixation, so that the stability and the efficiency of the lightening holes are greatly improved compared with the prior clip type. The wear-resistant rubber belt is wear-resistant, long in service life, low in cost and suitable for popularization and application.
While the foregoing is directed to the preferred embodiments of the present invention, it will be appreciated by those skilled in the art that various modifications and adaptations can be made without departing from the principles of the present invention, and such modifications and adaptations are intended to be comprehended within the scope of the present invention.
Claims (8)
1. A 3D printer material transfer device, characterized in that: the high-temperature-resistant heat insulation device comprises an upper top plate (1), a lower bottom plate (2), an upper top plate damping rubber sheet (3), a lower bottom plate damping rubber sheet (4), fixing screw holes (5), a lightening hole (6), a nozzle connector (7), a screw-in material penetrating device (8), a material penetrating hole (9), a high-temperature-resistant heat insulation pipe (10), a bolt (11), a screw cap (12) and a gasket (13); the upper top plate (1) and the lower bottom plate (2) are mutually perpendicular and are arranged on a printing nozzle supporting structure, the upper top plate damping rubber sheet (3) and the lower bottom plate damping rubber sheet (4) are respectively attached to the outer side surfaces of the upper top plate (1) and the lower bottom plate (2), and the gasket (13) is respectively attached to fixing screw holes (5) on the inner sides of the upper top plate (1) and the lower bottom plate (2); the upper top plate (1) is provided with a lightening hole (6); the upper top plate (1) and the lower bottom plate (2) are fixedly screwed by bolts (11) and nuts (12); the spray nozzle connector (7) can be screwed into the material penetrating device (8) in a rotating way, the high-temperature resistant heat insulation pipe (10) is sleeved in the material penetrating hole (9), and the printing material is pulled into the material penetrating hole (9);
the lower bottom plate (2) is internally provided with a spray head connector (7), the spray head connector (7) is in a circular tube shape, internal threads are carved on the spray head connector (7), the thickness of the tube wall of the spray head connector (7) is 0.2-1.0cm, the diameter of an inner tube is 1.0-2.0cm, the diameter of an outer tube is 1.4-4.0cm, and the height of the tube is 3-10cm;
the rotatable penetrating device (8) is provided with external threads, the head of the rotatable penetrating device (8) is of an external hexagon, and the rotatable penetrating device can be screwed into the nozzle connector (7);
the material penetrating hole (9) penetrates through and can be screwed into the material penetrating device (8).
2. The 3D printer material transfer device of claim 1, wherein: the upper top plate (1) and the lower bottom plate (2) are rectangular thin iron plates, and the upper top plate (1) and the lower bottom plate (2) are respectively fixed in the fixed screw holes (5) through bolts (11) and nuts (12); the rectangular thin iron plate is 6-12cm long, 4-10cm wide and 0.3-1.5cm thick.
3. The 3D printer material transfer device of claim 1, wherein: the shape of the upper top plate damping rubber sheet (3) and the shape of the lower bottom plate damping rubber sheet (4) are the same as those of the upper top plate (1) and the lower bottom plate (2), the thickness is 0.1 cm to 1.0cm, and the positions of the upper top plate (1) and the lower bottom plate (2) provided with fixing screw holes (5) are also provided with holes.
4. The 3D printer material transfer device of claim 1, wherein: the weight reducing holes (6) penetrate through the upper top plate (1), and the aperture specification of the weight reducing holes (6) is 0.3-1.0cm.
5. The 3D printer material transfer device of claim 1, wherein: the head width of the screw-in penetrating device (8) is 1.4-3.0cm, the head thickness is 0.5-1.5cm, the screw diameter of the screw-in penetrating device (8) is 0.6-2.0cm, and the screw length is 3-10cm.
6. The 3D printer material transfer device of claim 1, wherein: the aperture of the material penetrating hole (9) is 0.3-1.0cm, and the length is 3-10cm.
7. The 3D printer material transfer device of claim 1, wherein: the high-temperature-resistant heat-insulating pipe (10) is sleeved in the rotatable penetrating device (8), the printing wire is pulled into the high-temperature-resistant heat-insulating pipe (10), the aperture of the high-temperature-resistant heat-insulating pipe (10) is 0.3-1.0cm, and the length of the high-temperature-resistant heat-insulating pipe is 4 cm-30 cm.
8. The 3D printer material transfer device of claim 1, wherein: the specification of the bolt (11) is M3-M8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711350856.1A CN107877864B (en) | 2017-12-15 | 2017-12-15 | 3D printer material transmission device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711350856.1A CN107877864B (en) | 2017-12-15 | 2017-12-15 | 3D printer material transmission device |
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| Publication Number | Publication Date |
|---|---|
| CN107877864A CN107877864A (en) | 2018-04-06 |
| CN107877864B true CN107877864B (en) | 2024-03-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711350856.1A Active CN107877864B (en) | 2017-12-15 | 2017-12-15 | 3D printer material transmission device |
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| CN107877864A (en) | 2018-04-06 |
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