CN115229213B - Forming bin cooling device for additive manufacturing - Google Patents
Forming bin cooling device for additive manufacturing Download PDFInfo
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- CN115229213B CN115229213B CN202210728658.9A CN202210728658A CN115229213B CN 115229213 B CN115229213 B CN 115229213B CN 202210728658 A CN202210728658 A CN 202210728658A CN 115229213 B CN115229213 B CN 115229213B
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- Prior art keywords
- shell
- fixedly connected
- spring
- communicated
- side wall
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F12/00—Apparatus or devices specially adapted for additive manufacturing; Auxiliary means for additive manufacturing; Combinations of additive manufacturing apparatus or devices with other processing apparatus or devices
- B22F12/20—Cooling means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
- B22F10/70—Recycling
- B22F10/77—Recycling of gas
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F12/00—Apparatus or devices specially adapted for additive manufacturing; Auxiliary means for additive manufacturing; Combinations of additive manufacturing apparatus or devices with other processing apparatus or devices
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- 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
- B33Y30/00—Apparatus for additive manufacturing; Details thereof or accessories therefor
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- 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
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- 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 invention provides a molding bin cooling device for additive manufacturing, which belongs to the technical field of 3D printing and comprises a molding bin shell, wherein a movable shell is arranged on the inner top wall of the molding bin shell, a motor is arranged at the top of the molding bin shell, a reciprocating screw is fixedly connected to an output single end of the motor, a movable block is connected to the outer side of the reciprocating screw in a threaded manner, and a connecting block is arranged on the front side of the movable block. The invention solves the problems that the molding bin is required to be cooled at high temperature, the filter device is prevented from being damaged by cooling before gas enters the filter device, and scattered metal powder can be accumulated in a pipeline and is inconvenient to clean.
Description
Technical Field
The invention belongs to the technical field of 3D printing, and particularly relates to a molding bin cooling device for additive manufacturing.
Background
The metal 3D printing technology is different from the traditional material reduction manufacturing technology, namely the material addition manufacturing technology is the manufacturing process of stacking and forming materials from nothing to nothing, firstly, a model is built by using CAD, then, the layer stacking manufacturing is carried out, and the manufacturing of a plurality of workpieces with complex shapes and internal structures can be completed.
In the metal 3D process, the metal powder formed by laser printing is easy to perform oxidation reaction with oxygen in the air under the high-temperature condition, a large amount of smoke dust is generated, inert gas is required to be introduced into a closed forming chamber to perform gas protection on the metal laser printing forming process, the metal powder is prevented from being oxidized at high temperature, meanwhile, the metal powder can also float in a forming bin in the printing process, if the protective gas with the smoke dust is directly sucked out of the forming bin, the waste of the protective gas is caused, serious pollution is caused to the environment, therefore, the printing cost can be effectively reduced by recycling the protective gas in the forming bin, less pollution is generated to the environment, the gas is required to be cooled before entering a filter device, the filter device is prevented from being damaged by the high-temperature gas, even the ignition filter element layer is ignited, and the like.
Disclosure of Invention
The invention provides a molding bin cooling device for additive manufacturing, which aims to solve the problems that the molding bin is required to be cooled due to high temperature, the filtering device is required to be prevented from being damaged due to the fact that cooling is required before gas enters the filtering device, and scattered metal powder can be accumulated in a pipeline and inconvenient to clean.
The invention provides a molding bin cooling device for additive manufacturing, which comprises a molding bin shell, wherein a movable shell is arranged on the inner top wall of the molding bin shell, a motor is arranged at the top of the molding bin shell, a reciprocating screw is fixedly connected to the output single end of the motor, a movable block is connected to the outer side of the reciprocating screw in a threaded manner, a connecting block is arranged on the front side of the movable block, a support frame is connected to the front side of the connecting block, a plurality of uniformly distributed cooling pipes are arranged on the support frame, communicating pipes are connected between two adjacent cooling pipes, the communicating pipes are fixedly connected with the support frame, one ends of the two cooling pipes on the side are fixedly connected with hoses, a shielding assembly is arranged on the movable shell, a middle pipe is fixedly connected to the right side of the molding bin shell, a spiral cavity is formed in the side wall of the middle pipe, a shell is fixedly connected to the right side of the middle pipe, a cleaning assembly is arranged on the shell, a first input pipe is arranged on the right side wall of the middle pipe, a vent pipe is arranged at the bottom of the right side of the middle pipe, a vent pipe is connected with a filter bin device, one side wall of the filter bin is connected with the filter housing, and a filter bin is arranged on the rear side wall of the filter device.
Further, shelter from subassembly includes connecting plate, installation cavity, rolling pole, wind spring, shelter from membrane, connecting strip, spacing and slider, connecting plate and removal shell fixed connection, two have been seted up to the installation cavity, the installation cavity is seted up on the connecting plate and upper and lower distribution, the rolling pole is provided with two and is located two installation cavities respectively, the rolling pole rotates with the connecting plate to be connected, the wind spring is provided with a plurality of, the tip at the rolling pole that corresponds is installed respectively to the wind spring, shelter from the membrane and be provided with two and install the outside at the rolling pole that corresponds respectively, spacing is provided with two and bilateral symmetry distributes, spacing and the inboard fixed connection of connecting plate, the connecting strip is provided with two and respectively with the upper and lower both sides fixed connection of movable block, connecting strip and shelter from membrane fixed connection, the slider symmetry be provided with two and respectively with the left and right sides fixed connection of movable block.
Through adopting above-mentioned technical scheme, utilize shielding assembly can protect reciprocating screw rod, movable block when the cooling tube removes, prevent that the metal powder that drifts in the shaping storehouse from contacting reciprocating screw rod and influencing the connection of reciprocating screw rod and movable block, the cooling tube can cool down inert gas at the removal simultaneously, guarantees the low temperature of shaping storehouse the inside to cool down inert gas, be favorable to follow-up recovery processing to inert gas.
Further, the exit of installation cavity is with shielding film assorted, set up on the spacing with connecting strip and shielding film assorted recess, recess and slider assorted, the junction of rolling pole and connecting plate is provided with the standing groove, the wind spring is located the standing groove.
Through adopting above-mentioned technical scheme, utilize shielding film can keep apart the inside and the outside of removal shell, utilize the coil spring can move when expanding one of them shielding film to the movable block, carry out automatic rolling to another shielding film, match the removal of movable block.
Further, the clearance subassembly includes electro-magnet, spring one, magnetic path, carriage release lever, push pedal, collection shell, bracing piece, spring two, stifled ball, switch, vent chamber way, annular chamber, gas outlet and gas shell, the electro-magnet is installed on the inside right side of shell, the one end of spring one and the outside fixed connection of electro-magnet, the other end fixed connection of magnetic path and spring one, the one end and the outside fixed connection of magnetic path of carriage release lever, the outside fixed connection of push pedal and magnetic path, collection shell and the right side inner wall fixed connection of shaping storehouse shell and be located the below of intermediate tube, bracing piece, spring two, stifled ball, gas shell all are provided with a plurality of, gas shell and the lateral wall fixed connection of shell, the bracing piece is arranged in the gas shell that corresponds and with the inside wall fixed connection of gas shell, the one end and the bracing piece fixed connection that corresponds of spring two, the other end fixed connection of spring two and corresponding spring, switch installs the top right side at the shell, the top of shell is seted up at the right side inner wall fixed connection of side wall of the top of shaping storehouse shell, the annular chamber way sets up at the gas outlet, the left side wall sets up on the left side wall of the shell.
Through adopting above-mentioned technical scheme, utilize the clearance subassembly to clear up the metal powder that remains in the interior diapire of middle tube, do not need the staff to clear up by hand.
Further, the air outlets are uniformly distributed circumferentially by taking the movable rod as a center, the air outlets are communicated with the annular cavity, and the ventilation cavity channel is communicated with the annular cavity.
Through adopting above-mentioned technical scheme, utilize gas outlet exhaust, can blow off the metal powder on the surface when the movable rod removes, prevent that the junction of movable rod and shell from being blocked by the metal powder, influence the removal of movable rod.
Further, the magnetic block is in sliding connection with the inner side wall of the shell, the movable rod is in sliding connection with the left side wall of the shell, the power-on switch is in ferroelectric connection with the electromagnet, and the magnetism of the electromagnet is the same as that of the magnetic block.
Through adopting above-mentioned technical scheme, the removal that utilizes the magnetic path can be with gaseous discharge and suction and then can be with gaseous through ventilation cavity passageway, annular chamber discharge business turn over gas port in, utilize the switch of switching on can control the circular telegram of electro-magnet and outage and then make the magnetic path remove.
Further, two of the air shells are positioned on the left side of the magnetic block, two of the air shells are positioned on the right side of the magnetic block, the conical parts of the two air shells positioned on the left side are downward, one of the two air shells positioned on the left side is installed on the top of the shell and communicated with the outside, the conical parts of the air shells positioned on the right side are downward, one of the electromagnets positioned on the right side is positioned on the inner wall of the top of the shell and communicated with the ventilation cavity, and the conical part of one of the air shells positioned on the right side extends out of the shell.
By adopting the technical scheme, the air inlet and the air outlet in the shell can be controlled by utilizing the cooperation of the air shell, the support rod, the spring II and the blocking ball.
Further, one end of the second input pipe is communicated with the outlet of the spiral cavity, the other end of the second input pipe penetrates through the rear side wall of the molded bin shell and is communicated with one end of a hose located on the right side, one end of the first input pipe is communicated with the inlet of the spiral cavity, the other end of the first input pipe is externally connected with a box body for storing cooling liquid, one end of the discharge pipe is communicated with one end of a hose located on the left side and penetrates through the rear side wall of the molded bin shell, and the other end of the discharge pipe is communicated with the box body for storing the cooling liquid.
Through adopting above-mentioned technical scheme, utilize the spiral chamber way can cool down the inert gas who enters into the intermediate tube the inside, utilize the cooling tube can cool down the inside gas of shaping storehouse shell, be favorable to subsequent gas recovery processing.
Compared with the prior art, the technical scheme provided by the invention has the following beneficial technical effects:
1. in the invention, the cooling liquid is conveyed into the spiral cavity channel through the first input pipe and then flows through the spiral cavity channel, when the cooling liquid flows through the spiral cavity channel, heat is taken away, at the moment, inert gas flowing through the inner part of the middle pipe is cooled, the cooling liquid flowing out of the spiral cavity channel flows into the second input pipe and then flows towards the cooling pipe, the cooling liquid flows in a plurality of cooling pipes and communicating pipes along the direction, heat is absorbed in the forming bin shell in the flowing process of the cooling liquid, the cooling pipe moves in the forming bin shell, better cooling effect can be obtained, the temperature in the forming bin shell is reduced for cooling, and the inert gas is cooled, so that the subsequent inert gas is beneficial to entering the filtering device for treatment.
2. According to the invention, the shielding films on the upper side and the lower side of the shielding assembly are used for expanding and winding along with the movement of the moving block all the time, so that the inside of the moving shell is isolated from the outside, and the influence of the movement of the moving block on heat dissipation caused by the entering of scattered metal powder into the inside of the moving shell is prevented.
3. According to the invention, the cleaning assembly is utilized, the scattered metal powder part is remained on the inner bottom wall of the middle pipe, when the metal powder part is accumulated to a certain extent, the circulation of inert gas is influenced, the push plate moves to slide on the inner bottom wall of the middle pipe, the metal powder accumulated on the inner bottom wall of the middle pipe is pushed into the collecting shell or falls into the filtering device through the ventilation pipe, meanwhile, in the process that the moving rod is retracted into the shell, the gas outlet sprays gas to blow off the metal powder adhered on the surface of the moving rod, so that the metal powder is prevented from accumulating at the joint of the moving rod and the shell to cause blockage to influence the movement of the moving rod in the long-time use process, and the normal operation of metal powder cleaning is ensured.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention may be realized and attained by the structure particularly pointed out in the written description and drawings.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention. In the drawings:
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is an enlarged schematic view of the structure A in FIG. 1;
FIG. 3 is a schematic diagram of the front structure of the connecting plate of the present invention;
FIG. 4 is a schematic view of the internal structure of the mobile shell according to the present invention;
FIG. 5 is an enlarged schematic view of a cleaning assembly according to the present invention;
FIG. 6 is an enlarged schematic view of the structure shown at B in FIG. 5;
FIG. 7 is a schematic top view of a cooling tube according to the present invention;
fig. 8 is a schematic side view of a cross-sectional structure of a connection plate of the present invention.
Reference numerals: 1. forming a bin shell; 2. a moving shell; 3. a motor; 4. a reciprocating screw; 5. a moving block; 6. a connecting block; 7. a support frame; 8. a cooling tube; 9. a communicating pipe; 10. a shielding assembly; 1001. a connecting plate; 1002. a mounting cavity; 1003. a winding rod; 1004. a coil spring; 1005. a shielding film; 1007. a connecting strip; 1008. a limit bar; 1009. a slide sheet; 11. a hose; 12. a middle tube; 13. a spiral lumen; 14. a housing; 15. cleaning the assembly; 1501. an electromagnet; 1502. a first spring; 1503. a magnetic block; 1504. a moving rod; 1505. a push plate; 1506. collecting the shell; 1507. a support rod; 1508. a second spring; 1509. blocking balls; 1510. a power-on switch; 1511. a vent lumen channel; 1512. an annular cavity; 1513. an air outlet; 1514. a gas shell; 16. an input pipe I; 17. a vent pipe; 18. a filtering device; 19. an input pipe II; 20. and a discharge pipe.
Detailed Description
In order to make the objects, technical solutions and advantages of the technical solutions of the present invention more clear, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings of specific embodiments of the present invention. Like reference numerals in the drawings denote like parts. It should be noted that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be made by a person skilled in the art without creative efforts, based on the described embodiments of the present invention fall within the protection scope of the present invention.
As shown in fig. 1-8, the invention provides a molding bin cooling device for additive manufacturing, which comprises a molding bin shell 1, wherein a movable shell 2 is installed on the inner top wall of the molding bin shell 1, a motor 3 is installed at the top of the molding bin shell 1, a reciprocating screw 4 is fixedly connected to the output single end of the motor 3, a movable block 5 is connected to the outer side of the reciprocating screw 4 in a threaded manner, a connecting block 6 is installed at the front side of the movable block 5, a supporting frame 7 is connected to the front side of the connecting block 6, a plurality of uniformly distributed cooling pipes 8 are installed on the supporting frame 7, a communicating pipe 9 is connected between two adjacent cooling pipes 8, the communicating pipe 9 is fixedly connected with the supporting frame 7, one ends of the two cooling pipes 8 at the side are fixedly connected with a hose 11, a shielding assembly 10 is installed on the movable shell 2, a middle pipe 12 is fixedly connected to the right side of the molding bin shell 1, a spiral cavity 13 is formed on the side wall of the middle pipe 12, a shell 14 is fixedly connected to the right side of the middle pipe 12, a cleaning assembly 15 is installed on the shell 14, an input pipe 16 is installed on the right side wall of the molding bin shell 1, a filtering device 17 is installed at the bottom of the middle pipe 12, a filtering device 18 is installed on the right side wall of the middle pipe 17, and a filtering device is connected to the side wall of the filtering bin 1 is connected to the filtering device 20, and a filtering device is installed on the side wall of the filtering bin 1.
The shielding assembly 10 comprises a connecting plate 1001, a mounting cavity 1002, a winding rod 1003, a coil spring 1004, a shielding film 1005, a connecting strip 1007, a limit strip 1008 and a sliding sheet 1009, wherein the connecting plate 1001 is fixedly connected with a movable shell 2, the two mounting cavities 1002 are formed, the mounting cavities 1002 are formed on the connecting plate 1001 and are distributed up and down, the winding rod 1003 is provided with two winding rods and is respectively located in the two mounting cavities 1002, the winding rod 1003 is rotationally connected with the connecting plate 1001, the coil spring 1004 is provided with a plurality of winding rods, the coil springs 1004 are respectively arranged at the end parts of the corresponding winding rods 1003, the shielding film 1005 is provided with two winding rods and are respectively arranged at the outer sides of the corresponding winding rods 1003, the limit strip 1008 is provided with two and is distributed in bilateral symmetry, the limit strip 1008 is fixedly connected with the inner side of the connecting plate 1001, the connecting strip is fixedly connected with the shielding film 1005, the sliding sheet 1009 is symmetrically provided with two winding rods and is respectively fixedly connected with the left side and the right side of the movable block 5, the winding rod 1003 can be used for carrying out the forming of the reciprocating screw 4 and the movable block 5 when the cooling pipe 8 moves, the reciprocating screw 4 and the movable block 5 is in contact with the inert gas, the reciprocating screw 8 is prevented from being cooled, the inert gas is cooled, and the inert gas is cooled down and is easily cooled, and the inert gas is continuously cooled by the reciprocating and cooled down in the reciprocating screw 5 is guaranteed.
The exit of installation cavity 1002 matches with shielding film 1005, limit 1008 has offered the recess that matches with connecting rod 1007 and shielding film 1005, recess and slider 1009 phase-match, the junction of rolling pole 1003 and connecting plate 1001 is provided with the standing groove, coil spring 1004 is arranged in the standing groove, utilize shielding film 1005 can keep apart the inside and the outside of movable housing 2, utilize coil spring 1004 can be when movable block 5 moves and expands one of them shielding film 1005, carry out the automatic rolling to another shielding film 1005, match the removal of movable block 5.
The cleaning assembly 15 comprises an electromagnet 1501, a first spring 1502, a magnetic block 1503, a moving rod 1504, a push plate 1505, a collecting shell 1506, a supporting rod 1507, a second spring 1508, a ball plug 1509, an energizing switch 1510, a vent cavity 1511, an annular cavity 1512, a gas outlet 1513 and a gas shell 1514, wherein the electromagnet 1501 is arranged on the right side inside the shell 14, one end of the first spring 1502 is fixedly connected with the outer side of the electromagnet 1501, the magnetic block 1503 is fixedly connected with the other end of the first spring 1502, one end of the moving rod 1504 is fixedly connected with the outer side of the magnetic block 1503, the push plate 1505 is fixedly connected with the outer side of the magnetic block 1503, the collecting shell 1506 is fixedly connected with the right inner wall of the forming bin shell 1 and is positioned below the intermediate pipe 12, the supporting rod 1507, the second spring 1508, the ball plug 1509 and the gas shell 1514 are all provided with a plurality, the gas shell 1514 is fixedly connected with the side wall of the shell 14, the supporting rods 1507 are located in the corresponding gas shell 1514 and are fixedly connected with the inner side wall of the gas shell 1514, one end of the second spring 1508 is fixedly connected with the corresponding supporting rod 1507, the second spring 1508 is fixedly connected with the other end of the second spring 1508, the power-on switch 1510 is installed on the right side of the top of the shell 14, the ventilation cavity 1511 is formed in the top of the shell 14, the annular cavity 1512 is formed in the left side wall of the shell 14, the air outlets 1513 are formed in a plurality of, the air outlets 1513 are formed in the left side wall of the shell 14, and metal powder remained in the inner bottom wall of the middle pipe 12 can be cleaned by the cleaning assembly 15 without manual cleaning of staff.
The air outlets 1513 are uniformly and circumferentially distributed by taking the moving rod 1504 as a center, the air outlets 1513 are communicated with the annular cavity 1512, the air ventilation cavity 1511 is communicated with the annular cavity 1512, and air is discharged through the air outlets 1513, so that metal powder on the surface can be blown off when the moving rod 1504 moves, the joint of the moving rod 1504 and the shell 14 is prevented from being blocked by the metal powder, and the movement of the moving rod 1504 is influenced.
Magnet 1503 and the inside wall sliding connection of shell 14, movable rod 1504 and the left side wall sliding connection of shell 14, switch 1510 is connected with electromagnet 1501 electricity, and electromagnet 1501 is the same with magnet 1503 magnetism, utilizes the removal of magnet 1503 can be with gaseous discharge and suction and then can be with gaseous through the gas vent cavity 1511, annular cavity 1512 discharge gas inlet 1513 in, utilizes switch 1510 can control the switch on and the outage of electromagnet 1501 and then makes magnet 1503 remove.
Two of the plurality of air shells 1514 are positioned on the left side of the magnetic block 1503, two of the plurality of air shells 1514 are positioned on the right side of the magnetic block 1503, the conical parts of the two air shells 1514 positioned on the left side are downward, one of the two air shells 1514 positioned on the left side is arranged on the top of the shell 14 and communicated with the outside, the conical parts of the air shells 1514 positioned on the right side are downward, one of the electromagnets 1501 positioned on the right side is positioned on the inner wall of the top of the shell 14 and communicated with the ventilation channel 1511, the conical part of one of the air shells 1514 positioned on the right side extends out of the shell 14, and the air inlet and the air outlet inside the shell 14 can be controlled by utilizing the cooperation of the air shells 1514, the support rod 1507, the springs two 1508 and the blocking ball 1509.
One end of the input pipe II 19 is communicated with the outlet of the spiral cavity channel 13, the other end of the input pipe II 19 penetrates through the rear side wall of the forming bin shell 1 and is communicated with one end of the hose 11 positioned on the right side, one end of the input pipe I16 is communicated with the inlet of the spiral cavity channel 13, the other end of the input pipe I16 is externally connected with a box body for storing cooling liquid, one end of the discharge pipe 20 is communicated with one end of the hose 11 positioned on the left side and penetrates through the rear side wall of the forming bin shell 1, the other end of the discharge pipe 20 is communicated with the box body for storing cooling liquid, inert gas entering the middle pipe 12 can be cooled by the spiral cavity channel 13, gas inside the forming bin shell 1 can be cooled by the cooling pipe 8, and subsequent gas recovery processing is facilitated.
The implementation mode specifically comprises the following steps: in the 3D printing process, the cooling liquid in the external box body is conveyed into the spiral cavity channel 13 through the first input pipe 16 and then flows through the spiral cavity channel 13, when the cooling liquid flows through the spiral cavity channel 13, heat is taken away, at the moment, inert gas flowing through the inside of the middle pipe 12 is cooled, the cooling liquid flowing out of the spiral cavity channel 13 flows into the second input pipe 19 and then flows towards the cooling pipe 8, the cooling liquid flows in the plurality of cooling pipes 8 and the communicating pipe 9 along the direction, in the cooling liquid flowing process, heat is absorbed in the forming bin shell 1, the temperature in the forming bin shell 1 is reduced, the cooling liquid flowing through the cooling pipe 8 flows back into the box body storing the cooling liquid through the hose 11 and the discharging pipe 20, the motor 3 is started, the output end of the motor 3 drives the moving block 5 to move, the moving block 5 drives the connecting block 6 and the supporting frame 7 to move, further, the cooling tube 8 moves up and down back and forth at the inner side of the molding bin shell 1, the cooling tube 8 moves inside the molding bin shell 1 to obtain better cooling effect, the moving block 5 can act on the shielding film 1005 in the moving process, when the moving block 5 moves upwards, the upper winding rod 1003 rotates to wind the shielding film 1005 under the action of the coil spring 1004, the lower shielding film 1005 is driven by the moving block 5 to release the winding rod 1003 at the moment, when the moving block 5 moves downwards, the upper shielding film 1005 is driven by the moving block 5 to be pulled out, meanwhile, the lower shielding film 1005 drives the winding rod 1003 to wind the shielding film 1005 under the action of the coil spring 1004, the shielding films 1005 at the upper side and the lower side are always unfolded and wound along with the movement of the moving block 5, the inner part of the moving shell 2 is isolated from the outside, preventing the scattered metal powder from entering the movable shell 2 to influence the movement of the movable block 5 to influence heat dissipation, entering the filtering device 18 through the middle pipe 12 and the vent pipe 17 for processing in the process of inert gas flow, meanwhile, the scattered metal powder part stays on the inner bottom wall of the middle pipe 12, when the scattered metal powder part is accumulated to a certain extent to influence the circulation of inert gas, the electrifying switch 1510 is pressed to electrify the electromagnet 1501, the electromagnet 1501 generates magnetism at the moment, the electromagnet 1501 repels the magnetic block 1503 to move, the first spring 1502 is stretched, the magnetic block 1503 moves to drive the movable rod 1504 to move, the movable rod 1504 pushes the push plate 1505 to move, slides on the inner bottom wall of the middle pipe 12 in the process of pushing the push plate 1505 to push the inner bottom wall of the middle pipe 12 into the collecting shell 1506 or falls into the filtering device 18 through the vent pipe 17, meanwhile, when the electromagnet 1501 is powered off by pressing the power switch 1510, after the power switch 1510 is powered off, under the action of the first spring 1502, the magnetic block 1503 is driven to reset, the gas shell 1514 positioned on the left side of the magnetic block 1503 and mounted on the top of the shell 14 is exhausted outwards in the moving process, the gas shell 1514 positioned on the right side of the magnetic block 1503 and mounted on the bottom of the shell 14 is sucked inwards, the gas shell 1514 positioned on the left side of the magnetic block 1503 and mounted on the bottom of the shell 14 is sucked inwards in the right moving process of the magnetic block 1503, the gas shell 1514 positioned on the right side of the magnetic block 1503 and mounted on the top of the shell 14 is exhausted outwards, the gas is conveyed to the annular cavity 1512 through the gas channel 1511 and then is exhausted through the gas outlet 1513, the metal powder adhered on the surface of the moving rod 1504 is blown away in the process of the moving rod 1504 when the moving rod 1504 is retracted into the shell 14, preventing the metal powder from accumulating at the joint of the movable rod 1504 and the shell 14 to cause blockage and influence the movement of the movable rod 1504 in the long-time use process, and ensuring the normal operation of metal powder cleaning.
The foregoing has shown and described the basic principles and main features of the present invention and the advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. The utility model provides a shaping storehouse cooling device of vibration material disk, includes shaping storehouse shell (1), its characterized in that, interior roof of shaping storehouse shell (1) is installed and is moved shell (2), motor (3) are installed at the top of shaping storehouse shell (1), the output single-ended fixedly connected with reciprocating screw rod (4) of motor (3), the outside threaded connection of reciprocating screw rod (4) has movable block (5), connecting block (6) are installed to the front side of movable block (5), the front side of connecting block (6) is connected with support frame (7), install a plurality of evenly distributed cooling tube (8) on support frame (7), all be connected with communicating pipe (9) between two adjacent cooling tube (8), communicating pipe (9) and support frame (7) fixed connection, two that are located the limit side cooling tube (8) all fixedly connected with hose (11), install on moving shell (2) subassembly (10), the right side fixedly connected with intermediate tube (12) of shaping storehouse shell (1), intermediate tube (12) are equipped with on the side wall (12), on the side of spiral housing (14) is seted up on the side (14), the right side wall of shaping storehouse shell (1) is installed input tube one (16), breather pipe (17) are installed to the right side bottom of intermediate tube (12), breather pipe (17) are connected with filter equipment (18), the back lateral wall of shaping storehouse shell (1) is connected with filter equipment (18), discharge pipe (20) are installed to the back lateral wall of shaping storehouse shell (1).
2. A molded bin cooling device for additive manufacturing according to claim 1, wherein: the shielding assembly (10) comprises a connecting plate (1001), mounting cavities (1002), winding rods (1003), coil springs (1004), shielding films (1005), connecting strips (1007), limiting strips (1008) and sliding sheets (1009), wherein the connecting plate (1001) is fixedly connected with a movable shell (2), the two mounting cavities (1002) are formed, the mounting cavities (1002) are formed in the connecting plate (1001) and distributed up and down, the winding rods (1003) are arranged in the two mounting cavities (1002) respectively, the winding rods (1003) are rotationally connected with the connecting plate (1001), the coil springs (1004) are arranged in a plurality of mode, the coil springs (1004) are respectively arranged at the end portions of the corresponding winding rods (1003), the shielding films (1005) are arranged on the outer sides of the two corresponding winding rods (1003), the limiting strips (1008) are distributed in a bilateral symmetry mode, the inner sides of the limiting strips (1008) and the connecting plate (1001) are fixedly connected, the connecting strips (1007) are provided with two shielding blocks and are respectively connected with the two sliding sheets (1005) in a bilateral symmetry mode, and the two side fixing plates (1005) are respectively connected with the two side faces of the two sliding sheets (1005).
3. A molded bin cooling device for additive manufacturing according to claim 2, wherein: the mounting cavity (1002) exit and shelter from membrane (1005) assorted, set up on spacing (1008) with connecting strip (1007) and shelter from the recess of membrane (1005) assorted, recess and slider (1009) assorted, the junction of rolling pole (1003) and connecting plate (1001) is provided with the standing groove, coil spring (1004) are located the standing groove.
4. A molded bin cooling device for additive manufacturing according to claim 1, wherein: the cleaning component (15) comprises an electromagnet (1501), a first spring (1502), a magnetic block (1503), a moving rod (1504), a push plate (1505), a collecting shell (1506), a supporting rod (1507), a second spring (1508), a blocking ball (1509), an energizing switch (1510), an ventilating cavity (1511), an annular cavity (1512), an air outlet (1513) and a gas shell (1514), wherein the electromagnet (1501) is arranged on the right side of the inside of the shell (14), one end of the first spring (1502) is fixedly connected with the outer side of the electromagnet (1501), one end of the magnetic block (1503) is fixedly connected with the other end of the first spring (1502), one end of the moving rod (1504) is fixedly connected with the outer side of the magnetic block (1503), the push plate (1505) is fixedly connected with the right side inner wall of the forming bin shell (1506) and is positioned below the middle tube (12), the supporting rod (1507), the second spring (1509), the blocking ball (1514) and the gas shell (1514) are arranged in the corresponding connection with the inner side wall (1514) of the shell (1514) and the gas shell (1514), one end of the second spring (1508) is fixedly connected with the corresponding supporting rod (1507), the second spring (1508) is fixedly connected with the other end of the second spring (1508), the energizing switch (1510) is installed on the right side of the top of the shell (14), the ventilation cavity (1511) is formed in the top of the shell (14), the annular cavity (1512) is formed in the left side wall of the shell (14), a plurality of air outlets (1513) are formed in the left side wall of the shell (14), and the air outlets (1513) are formed in the left side wall of the shell (14).
5. An additive manufactured molding cartridge cooling device according to claim 4, wherein: the air outlets (1513) are uniformly and circumferentially distributed by taking the movable rod (1504) as a center, the air outlets (1513) are communicated with the annular cavity (1512), and the ventilation cavity (1511) is communicated with the annular cavity (1512).
6. An additive manufactured molding cartridge cooling device according to claim 4, wherein: the magnetic block (1503) is in sliding connection with the inner side wall of the shell (14), the movable rod (1504) is in sliding connection with the left side wall of the shell (14), the energizing switch (1510) is electrically connected with the electromagnet (1501), and the magnetism of the electromagnet (1501) is the same as that of the magnetic block (1503).
7. An additive manufactured molding cartridge cooling device according to claim 4, wherein: two of the plurality of air shells (1514) are positioned on the left side of the magnetic block (1503), two of the plurality of air shells (1514) are positioned on the right side of the magnetic block (1503), the cone parts of the two air shells (1514) positioned on the left side are downward, one of the two air shells (1514) positioned on the left side is installed on the top of the shell (14) and communicated with the outside, the cone parts of the air shells (1514) positioned on the right side are downward, one of the electromagnets (1501) positioned on the right side is positioned on the inner wall of the top of the shell (14) and communicated with the ventilation cavity (1511), and the cone part of one of the air shells (1514) positioned on the right side extends out of the shell (14).
8. A molded bin cooling device for additive manufacturing according to claim 1, wherein: one end of an input pipe II (19) is communicated with an outlet of the spiral cavity channel (13), the other end of the input pipe II (19) penetrates through the rear side wall of the forming bin shell (1) to be communicated with one end of a hose (11) located on the right side, one end of an input pipe I (16) is communicated with an inlet of the spiral cavity channel (13), the other end of the input pipe I (16) is externally connected with a box body for storing cooling liquid, one end of a discharge pipe (20) is communicated with one end of the hose (11) located on the left side and penetrates through the rear side wall of the forming bin shell (1), and the other end of the discharge pipe (20) is communicated with the box body for storing the cooling liquid.
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| CN202210728658.9A CN115229213B (en) | 2022-06-24 | 2022-06-24 | Forming bin cooling device for additive manufacturing |
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| CN202210728658.9A CN115229213B (en) | 2022-06-24 | 2022-06-24 | Forming bin cooling device for additive manufacturing |
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| CN115229213B true CN115229213B (en) | 2023-09-29 |
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