CN220129550U - Transfer cylinder with recycling remainder for 3D printer - Google Patents
Transfer cylinder with recycling remainder for 3D printer Download PDFInfo
- Publication number
- CN220129550U CN220129550U CN202320325790.5U CN202320325790U CN220129550U CN 220129550 U CN220129550 U CN 220129550U CN 202320325790 U CN202320325790 U CN 202320325790U CN 220129550 U CN220129550 U CN 220129550U
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- Prior art keywords
- transfer cylinder
- optical axis
- piston
- felt
- cylinder
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- 238000012546 transfer Methods 0.000 title claims abstract description 131
- 238000004064 recycling Methods 0.000 title description 10
- 230000003287 optical effect Effects 0.000 claims abstract description 66
- 239000000843 powder Substances 0.000 claims abstract description 51
- 239000000463 material Substances 0.000 claims abstract description 27
- 230000006835 compression Effects 0.000 claims abstract description 5
- 238000007906 compression Methods 0.000 claims abstract description 5
- 238000000034 method Methods 0.000 claims description 14
- 238000009434 installation Methods 0.000 claims description 13
- 230000008569 process Effects 0.000 claims description 13
- 230000000712 assembly Effects 0.000 claims description 5
- 238000000429 assembly Methods 0.000 claims description 5
- 230000007480 spreading Effects 0.000 abstract description 11
- 238000003892 spreading Methods 0.000 abstract description 11
- 238000007639 printing Methods 0.000 abstract description 10
- 238000011084 recovery Methods 0.000 abstract description 7
- 238000005516 engineering process Methods 0.000 description 4
- 238000007790 scraping Methods 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 3
- 238000010146 3D printing Methods 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010147 laser engraving Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000016 photochemical curing Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000012255 powdered metal Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000012815 thermoplastic material Substances 0.000 description 1
Classifications
-
- 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
Abstract
The utility model provides a transfer cylinder with recovered excess materials for a 3D printer, which comprises a felt, a transfer cylinder felt top block, a spring, a piston, a cover plate, an optical axis connecting piece, a guide optical axis and an electric cylinder. The telescopic end of the electric cylinder is connected with the first mounting end of the piston, the second mounting end of the piston is connected with the first mounting end of the optical axis connecting piece, the first mounting end of the cover plate is connected with the second mounting end of the optical axis connecting piece, and the mounting end of the guiding optical axis is connected with the third mounting end of the optical axis connecting piece. The fixed end of the spring is fixedly connected with the mounting hole of the optical axis connecting piece, the compression end of the spring is connected with the fixed end of the transfer cylinder felt top block, the transfer cylinder felt top block is contacted with the felt, and the felt is positioned between the transfer cylinder wall and the transfer cylinder felt top block. According to the utility model, the recovery of the residual powder of each layer of powder spreading and the reverse powder spreading of the received powder to a printing plane are realized by the up-and-down reciprocating motion of the piston.
Description
Technical Field
The utility model relates to the technical field of rapid prototyping, in particular to a transfer cylinder with a function of recycling excess materials for a 3D printer.
Background
A 3D printer, also called additive manufacturing equipment, is a type of rapid prototyping equipment, which uses a bondable material such as powdered metal or plastic to build an object by layer-by-layer printing based on a digital model file. Depending on the printing mode and the printing material, 3D printers can be classified into different types, mainly including selective area photo-curing technology (LCD for short), fused deposition rapid prototyping technology (FDM for short) and laser engraving technology outside 3D printing technology. Among them, fused Deposition (FDM) 3D printers are the most widely used type of 3D printing equipment at present, and the main forming principle is that a nozzle is used to heat a filament thermoplastic material to a molten state, and then powder is uniformly spread on a working platform according to a predetermined track of each layer section of a part.
The existing 3D printer pushes redundant powder into the residual material box after powder laying is completed, and the existing residual material box occupies large space; meanwhile, the existing 3D printer needs more powder when printing parts, so that the residual materials are accumulated in the printing process, more powder is needed for printing, and the accumulated powder in the residual material box is inconvenient to clean.
In view of the above problems, the utility model provides a transfer cylinder with the function of recycling excess materials, after powder laying of printing equipment is completed, the remaining powder is pushed into the transfer cylinder, the excess powder is pushed up by the up-and-down movement of a piston of the transfer cylinder, the reverse powder laying is realized, the excess materials are reused for multiple times, the processing cost is reduced, the equipment volume is reduced, and the structure of a 3D printer is optimized.
Disclosure of Invention
Aiming at the problems existing in the prior art, the utility model provides a transfer cylinder with a function of recycling excess materials for a 3D printer, which is characterized in that an optical axis connecting piece and a cover plate are concentrically arranged in an inner cavity of the transfer cylinder in a structure smaller than that of the inner cavity of the transfer cylinder, so that a gap is arranged between a wall of the transfer cylinder and the optical axis connecting piece to prevent the inner cavity of the transfer cylinder from being scratched, and the space formed by the cover plate and the wall of the transfer cylinder is used for recycling excess powder; meanwhile, the piston, the optical axis connecting piece and the cover plate which are positioned in the inner cavity are driven by the driving electric cylinder to reciprocate up and down, so that the residual powder of each layer of powder spreading is recovered, the received powder is sent to a printing plane, the reverse powder spreading is realized, and the working efficiency of the 3D printer is improved.
The utility model provides a transfer cylinder with recovered excess materials for a 3D printer, which comprises a transfer cylinder wall, a transfer cylinder side wall, a felt, a transfer cylinder felt top block, a spring, a piston, a transfer cylinder bottom plate, a cover plate, an optical axis connecting piece, a linear bearing, a guide optical axis and an electric cylinder. The installation end of the transfer cylinder wall is connected with the first installation end of the transfer cylinder side wall, and the second installation end of the transfer cylinder side wall is connected with the first installation end of the transfer cylinder bottom plate. The telescopic end of the electric cylinder penetrates through the center of the transfer cylinder bottom plate and is connected with the first mounting end of the piston, the second mounting end of the piston is connected with the first mounting end of the optical axis connecting piece, the first mounting end of the cover plate is connected with the second mounting end of the optical axis connecting piece, the linear bearing is connected with the second mounting end of the transfer cylinder bottom plate, the mounting end of the guiding optical axis penetrates through the inner ring of the linear bearing and is connected with the third mounting end of the optical axis connecting piece, and the guiding optical axis plays a guiding role in the movement process of the piston. The compression end of the spring is connected with the fixed end of the spring positioning hole of the transfer cylinder felt top block, the transfer cylinder felt top block is in contact with the felt, the felt is located between the side wall of the transfer cylinder and the transfer cylinder felt top block, and the felt prevents powder falling in the powder paving process.
Preferably, the transfer cylinder wall, the transfer cylinder side wall and the transfer cylinder bottom plate form an inner cavity of the transfer cylinder, the piston, the optical axis connecting piece, the cover plate and the electric cylinder form a piston assembly, and the felt, the transfer cylinder felt top block and the spring form a spring assembly.
Preferably, the spring assemblies are uniformly distributed along the circumference of the inner cavity of the transfer cylinder, the number of the linear bearings and the number of the guide optical axes are equal, and the linear bearings and the guide optical axes are symmetrically distributed on two sides of the piston.
Preferably, the area of the piston, the area of the optical axis connector and the area of the cover plate are equal.
Preferably, the area of the piston, the area of the optical axis connector and the area of the cover plate are smaller than the area of the inner cavity of the transfer cylinder.
Preferably, the central lines of the inner cavity, the piston, the optical axis connecting piece, the cover plate and the electric cylinder are on the same straight line.
The utility model has the following advantages:
1. according to the utility model, the rest powder can be automatically recovered after the printer finishes one layer of powder spreading, so that the structure in the existing printer is reduced, the whole structure of the existing printer is more compact, and the occupied space is reduced; meanwhile, the residual material box needs to be cleaned regularly, so that the cleaning is inconvenient, the labor is wasted, and the functions are integrated in the transfer cylinder to perform integrated design, so that the cleaning of residual materials is reduced, no residual materials are realized, the working efficiency is improved, and the process route is optimized.
2. The utility model has simple structure, the used parts are common mechanical parts, the disassembly and the maintenance are convenient, the recovery of the residual powder of each layer of powder paving is realized through the up-and-down reciprocating motion of the piston of the transfer cylinder, and the received powder is sent to a printing plane, so that the reverse powder paving is realized, and the working efficiency of the 3D printer is improved.
Drawings
FIG. 1 is an overall cross-sectional view of a transfer cylinder with reclaimed remainders for use with a 3D printer of the present utility model;
FIG. 2 is a partial cross-sectional view of a transfer cylinder with reclaimed remainders for use with a 3D printer in accordance with the present utility model;
FIG. 3 is a block diagram of a transfer cylinder with recovered excess material in a highest point state for a 3D printer according to the present utility model;
FIG. 4 is a block diagram of a transfer cylinder with reclaimed remnants for a 3D printer in a lowest point state according to the present utility model;
fig. 5 is an isometric view of an overall cross-section of a transfer cylinder with reclaimed excess stock for a 3D printer in accordance with the present utility model.
The main reference numerals:
transfer cylinder wall 1, transfer cylinder side wall 2, felt 3, transfer cylinder felt kicking block 4, spring 5, piston 6, transfer cylinder bottom plate 7, apron 8, optical axis connecting piece 9, linear bearing 10, direction optical axis 11, electric jar 12.
Detailed Description
In order to make the technical content, the structural features, the achieved objects and the effects of the present utility model more detailed, the following description will be taken in conjunction with the accompanying drawings.
The transfer cylinder with the recovered excess material for the 3D printer, as shown in fig. 1 and 5, includes a transfer cylinder wall 1, a transfer cylinder side wall 2, a felt 3, a transfer cylinder felt top block 4, a spring 5, a piston 6, a transfer cylinder bottom plate 7, a cover plate 8, an optical axis connector 9, a linear bearing 10, a guide optical axis 11, and an electric cylinder 12.
As shown in fig. 5, the installation end of the transfer cylinder wall 1 is connected to the first installation end of the transfer cylinder side wall 2, and the second installation end of the transfer cylinder side wall 2 is connected to the first installation end of the transfer cylinder bottom plate 7.
As shown in fig. 1, the telescopic end of the electric cylinder 12 passes through the center of the transfer cylinder bottom plate 7 and is connected with the first mounting end of the piston 6 through a nut, a concave hole mounting surface is arranged on the piston 6, the mounting surface of the electric cylinder 12 is contacted with the concave hole mounting surface, the second mounting end of the piston 6 is fixedly connected with the first mounting end of the optical axis connecting piece 9 through a screw, the first mounting end of the cover plate 8 is fixedly connected with the second mounting end of the optical axis connecting piece 9 through a screw, the linear bearing 10 is connected with the second mounting end of the transfer cylinder bottom plate 7, the mounting end of the guiding optical axis 11 passes through the inner ring of the linear bearing 10 and is connected with the third mounting end of the optical axis connecting piece 9, and the guiding optical axis 11 plays a guiding role in the moving process of the piston 6.
As shown in fig. 2, the fixed end of the spring 5 is fixedly connected with the spring positioning hole of the optical axis connecting piece 9, the compression end of the spring 5 is connected with the spring positioning hole of the transfer cylinder felt top block 4, the transfer cylinder felt top block 4 is in contact with the felt 3, the felt 3 is positioned between the transfer cylinder side wall 2 and the transfer cylinder felt top block 4, the felt 3 is tightly attached to the inner cavity of the transfer cylinder wall 1 through the transfer cylinder felt top block 4 by utilizing the elasticity of the spring 5, so that the excessive powder is prevented from falling in the powder paving process every time, the up-down movement precision of the piston 6 positioned below the optical axis connecting piece 9 is influenced, and the working efficiency of the transfer cylinder is improved.
The transfer cylinder wall 1, the transfer cylinder side wall 2 and the transfer cylinder bottom plate 7 form an inner cavity of the transfer cylinder; the piston 6, the optical axis connecting piece 9, the cover plate 8 and the electric cylinder 12 form a piston assembly, and the piston assembly is driven by the electric cylinder 12 to reciprocate up and down to finish operations such as corresponding powder paving and recovery in the 3D printer, finish quick recovery and efficient utilization of redundant powder in each paving, and improve a process path; the felt 3, the felt top block 4 of the transfer cylinder and the spring 5 form a spring assembly.
Specifically, the spring assemblies are uniformly distributed along the circumference of the inner cavity of the transfer cylinder, the number of the linear bearings 10 and the number of the guide optical axes 11 are equal, and the linear bearings 10 and the guide optical axes 11 are symmetrically distributed on two sides of the piston 6.
In a preferred embodiment of the utility model, the area of the piston 6, the area of the optical axis connecting piece 9 and the area of the cover plate 8 are equal, and the area of the piston 6, the area of the optical axis connecting piece 9 and the area of the cover plate 8 are smaller than the area of the inner cavity of the transfer cylinder, so that a recovery cavity is formed in the inner cavity of the transfer cylinder, the use of a surplus material box is reduced, the efficient utilization of surplus powder is improved, and reverse layering is realized in a 3D printer. The center lines of the inner cavity, the piston 6, the optical axis connecting piece 9, the cover plate 8 and the electric cylinder 12 are on the same straight line.
The following describes a transfer cylinder with recovered excess material for a 3D printer according to the present utility model in further detail with reference to examples:
the transfer cylinder integrates the processes of residual material recovery and powder supply, so that the whole 3D printer equipment is more compact, reverse layering is realized, the residual materials are efficiently utilized, and the specific working process is as follows:
firstly, a transfer cylinder wall 1, a transfer cylinder side wall 2 and a transfer cylinder bottom plate 7 are installed to form an inner cavity of the transfer cylinder, a linear bearing 10 is connected with a second installation end of the transfer cylinder bottom plate 7, a piston 6 is connected with a guide optical axis 11, and a connecting piece formed by the piston 6 and the guide optical axis 11 is placed in the inner cavity of the transfer cylinder.
Next, the felt 3 is tightly attached to the side wall 2 of the transfer cylinder and is positioned between the side wall 2 of the transfer cylinder and the felt top block 4 of the transfer cylinder, the felt top block 4 of the transfer cylinder is contacted with the felt 3, and the felt top block 4 is tightly attached to the felt 3 and the piston 6 to be placed at a good position.
Then the fixed end of the spring 5 is fixedly connected with the spring positioning hole of the optical axis connecting piece 9, the compression end of the spring 5 is connected with the spring positioning hole of the felt top block 4 of the transfer cylinder, the second mounting end of the piston 6 is fixedly connected with the first mounting end of the optical axis connecting piece 9 through a screw, and the first mounting end of the piston 6 passes through the center of the bottom plate 7 of the transfer cylinder and is connected with the telescopic end of the electric cylinder 12.
Finally, the first mounting end of the cover plate 8 is fixedly connected with the second mounting end of the optical axis connecting piece 9 through a screw. The assembled structure is integrally placed in a cavity of a transfer cylinder formed by the transfer cylinder wall 1, the transfer cylinder side wall 2 and the transfer cylinder bottom plate 7, and the central lines of the piston 6, the optical axis connecting piece 9, the cover plate 8 and the electric cylinder 12 are ensured to be on the same straight line, so that the condition that the transfer cylinder scratches the cylinder wall in the movement process is avoided, and the work of the transfer cylinder is influenced.
As shown in fig. 3, the cover plate 8 in the transfer cylinder is positioned at the highest point of the cavity of the transfer cylinder, assuming that the powder scraping plate is positioned at the rightmost end at this time, when the powder spreading work is performed, the powder spreading of the layer is completed from the rightmost end to the leftmost end, and as the area of the piston 6, the area of the optical axis connecting piece 9 and the area of the cover plate 8 are smaller than the area of the inner cavity of the transfer cylinder, if the powder scraping plate is positioned at the rightmost end, the transfer cylinder can only realize that the powder spreading of the layer is completed at the leftmost end and then the redundant powder is fed into the recovery cavity; if the middle rotary cylinder is at the right end, the residual materials of the last powder spreading are recovered in the cavity, the powder spreading is performed in the reverse direction, and as the spring assemblies are uniformly distributed on the periphery of the optical axis connecting piece 9, the felt 3 is tightly attached to the inner cavity of the middle rotary cylinder wall 1 by utilizing the elasticity of the springs 5 in the spring assemblies through the felt top block 4 of the middle rotary cylinder, so that the excessive powder is prevented from falling in the powder spreading process, and the accuracy of the up-and-down reciprocating motion of the piston 6 below the optical axis connecting piece 9 is ensured.
As shown in fig. 4, the cover plate 8 in the transfer cylinder is at the lowest point of the cavity of the transfer cylinder, at this time, the recycling work of the residual powder of the layering is performed, at this time, under the driving of the electric cylinder 12, the piston assembly composed of the piston 6, the optical axis connecting piece 9 and the cover plate 8 moves in the direction far away from the upper end of the transfer cylinder wall 1, the guiding optical axes 11 symmetrically distributed on two sides of the bottom plate 7 of the transfer cylinder and connected with the linear bearings 10 play a guiding role on the movement of the piston assembly, so that the stability of the movement is ensured, the recycling work of the residual powder of the layering is completed, and the recycling procedure and related cleaning work of the residual material box are reduced.
When the layering is needed again, under the driving of the electric cylinder 12, the piston assembly consisting of the piston 6, the optical axis connecting piece 9 and the cover plate 8 moves towards the direction close to the upper end of the transfer cylinder wall 1, the guiding optical axes 11 symmetrically distributed on the two sides of the transfer cylinder bottom plate 7 and connected with the linear bearings 10 play a guiding role on the movement of the piston assembly, the powder scraping plate is located at the leftmost end, and the powder scraping plate moves from the rightmost end to the leftmost end to finish the layering of the powder, so that the work of reversely layering and recycling redundant powder is realized, and the working efficiency of the 3D printer is improved.
The above examples are only illustrative of the preferred embodiments of the present utility model and are not intended to limit the scope of the present utility model, and various modifications and improvements made by those skilled in the art to the technical solution of the present utility model should fall within the scope of protection defined by the claims of the present utility model without departing from the spirit of the present utility model.
Claims (6)
1. A transfer cylinder with recovered excess materials for a 3D printer comprises a transfer cylinder wall, a transfer cylinder side wall, a felt, a transfer cylinder felt top block, a spring, a piston, a transfer cylinder bottom plate, a cover plate, an optical axis connecting piece, a linear bearing, a guide optical axis and an electric cylinder, and is characterized in that,
the installation end of the transfer cylinder wall is connected with the first installation end of the transfer cylinder side wall, and the second installation end of the transfer cylinder side wall is connected with the first installation end of the transfer cylinder bottom plate;
the telescopic end of the electric cylinder penetrates through the center of the transfer cylinder bottom plate and is connected with the first mounting end of the piston, the second mounting end of the piston is connected with the first mounting end of the optical axis connecting piece, the first mounting end of the cover plate is connected with the second mounting end of the optical axis connecting piece, the linear bearing is connected with the second mounting end of the transfer cylinder bottom plate, the mounting end of the guiding optical axis penetrates through the inner ring of the linear bearing and is connected with the third mounting end of the optical axis connecting piece, and the guiding optical axis plays a guiding role in the movement process of the piston;
the compression end of the spring is connected with the fixed end of the spring positioning hole of the transfer cylinder felt top block, the transfer cylinder felt top block is in contact with the felt, the felt is located between the side wall of the transfer cylinder and the transfer cylinder felt top block, and the felt is used for preventing powder from falling in the powder paving process.
2. The transfer cylinder with reclaimed excess material for a 3D printer of claim 1 wherein the transfer cylinder wall, transfer cylinder side wall and transfer cylinder bottom plate comprise an inner chamber of a transfer cylinder, the piston, optical axis connector, cover plate and electric cylinder comprise a piston assembly, and the felt, transfer cylinder felt top block and spring comprise a spring assembly.
3. The transfer cylinder with reclaimed excess material for a 3D printer of claim 1, wherein the spring assemblies are evenly distributed along the circumference of the inner cavity of the transfer cylinder, the number of the linear bearings and the number of the guiding optical axes are equal, and the linear bearings and the guiding optical axes are symmetrically distributed on both sides of the piston.
4. The relay cylinder with recycled remainders for 3D printers according to claim 1 or 2, characterized in that the area of the piston, the area of the optical axis connection and the area of the cover plate are equal.
5. The relay cylinder with reclaimed excess material for a 3D printer of claim 1 wherein the area of the piston, the optical axis connector and the cover plate are all smaller than the area of the interior cavity of the relay cylinder.
6. A transfer cylinder with reclaimed excess stock for a 3D printer as in claim 3 wherein the centerlines of the inner cavity, the piston, the optical axis connector, the cover plate and the electrical cylinder are collinear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320325790.5U CN220129550U (en) | 2023-02-27 | 2023-02-27 | Transfer cylinder with recycling remainder for 3D printer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320325790.5U CN220129550U (en) | 2023-02-27 | 2023-02-27 | Transfer cylinder with recycling remainder for 3D printer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220129550U true CN220129550U (en) | 2023-12-05 |
Family
ID=88961278
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320325790.5U Active CN220129550U (en) | 2023-02-27 | 2023-02-27 | Transfer cylinder with recycling remainder for 3D printer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220129550U (en) |
-
2023
- 2023-02-27 CN CN202320325790.5U patent/CN220129550U/en active Active
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