CN115301954B - A constant temperature control shaping storehouse for 3D printing apparatus - Google Patents
A constant temperature control shaping storehouse for 3D printing apparatus Download PDFInfo
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- CN115301954B CN115301954B CN202210883817.2A CN202210883817A CN115301954B CN 115301954 B CN115301954 B CN 115301954B CN 202210883817 A CN202210883817 A CN 202210883817A CN 115301954 B CN115301954 B CN 115301954B
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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
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/24—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies
- B01D46/2403—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies characterised by the physical shape or structure of the filtering element
- B01D46/2411—Filter cartridges
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/88—Replacing filter elements
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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
- B22F12/10—Auxiliary heating means
- B22F12/17—Auxiliary heating means to heat the build chamber or platform
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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
- B22F12/70—Gas flow 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
- 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
- B22F12/90—Means for process control, e.g. cameras or sensors
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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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- 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
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Analytical Chemistry (AREA)
- Automation & Control Theory (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Geometry (AREA)
Abstract
The invention provides a constant temperature control forming bin for 3D printing equipment, which belongs to the technical field of 3D printing equipment and comprises a forming bin shell, wherein a screening component is arranged on a side image of the forming bin shell, one end of an air outlet pipe is arranged at the bottom of the screening component, the other end of the air outlet pipe extends into the forming bin shell, one end of a circulating pipe is arranged on the screening component, the other end of the circulating pipe is communicated with a mounting shell, and the mounting shell is fixedly connected with the outer wall surface of the forming bin shell. The invention solves the problem that the constant temperature control can not be normally executed due to the fact that the circulation of gas is not easy to detect and blocked by replacement after the blockage of the screening piece at present.
Description
Technical Field
The invention belongs to the technical field of 3D printing equipment, and particularly relates to a constant temperature control forming bin for 3D printing equipment.
Background
The 3D printing technology is a technology for manufacturing solid parts by accumulating materials layer by layer, and compared with the traditional material removing technology, the 3D printing technology does not need a cutter and a die, does not need a plurality of working procedures for processing, has a short production period, and can easily process parts with complex structures. Current 3D printing techniques can be broadly classified into SLS (selective laser sintering), SLM (selective laser melting), FDM (fused deposition modeling), SLA (stereolithography), EBM (electron beam injection modeling). The SLM technology uses high-energy laser beams to irradiate metal powder to melt the metal powder rapidly, and the metal powder is cooled, solidified and molded, so that metal parts can be directly manufactured by single metal or mixed metal powder, the compactness is close to 100%, the precision of the processed parts is high, the mechanical property is good, and the SLM technology has been widely applied in the fields of automobiles, aerospace, medical treatment, military industry and the like.
The 3D printing is completed in a forming bin, the constant temperature of the inside temperature of the forming bin is required to be ensured during the 3D printing, so that the quality of a printed product is ensured, a fan is generally utilized to drive the flow of gas in the forming bin to carry out cyclic heating temperature control, but the gas in the forming bin is mixed with powder due to the existence of printing powder, so that the gas with the powder is adhered to the fan through the powder of the fan to cause the operation failure of the fan, a screening part is usually added to screen the powder in the gas, but the screening part is not easy to detect and replace after blocking, the circulation of the gas is blocked, and the constant temperature control cannot be normally carried out, and the constant temperature control forming bin for the 3D printing equipment is provided.
Disclosure of Invention
The invention provides a constant temperature control forming bin for 3D printing equipment, and aims to solve the problem that constant temperature control cannot be normally executed due to the fact that circulation of blocking gas is not easy to detect and replaced after a screening piece is blocked at present.
The invention provides a constant temperature control forming bin for 3D printing equipment, which comprises a forming bin shell, wherein a screening component is arranged on an edge side image of the forming bin shell, one end of an air outlet pipe is arranged at the bottom of the screening component, the other end of the air outlet pipe extends into the forming bin shell, one end of a circulating pipe is arranged on the screening component, the other end of the circulating pipe is communicated with a mounting shell, the mounting shell is fixedly connected with the outer wall surface of the forming bin shell, a circulating fan is arranged in the mounting shell, a heater opposite to the circulating fan is arranged on the edge side of the forming bin shell, and a temperature sensor is arranged on the inner top wall of the forming bin shell.
Further, the screening component comprises a screening shell, a communicating pipe is fixedly connected to the side of the screening shell, the communicating pipe and the screening shell are arranged at right angles, a first communicating hole is reserved in the middle of the communicating pipe, one end of the first communicating hole is a moving-out head and is connected with the circulating pipe, the other end of the first communicating hole is inserted into an assembly chamber through the screening shell, the assembly chamber is reserved on the central line of the screening shell, the assembly chamber extends from the head of the screening shell towards the tail end, the radius of the assembly chamber exceeds the radius of the first communicating hole, a second communicating hole is arranged at the tail end of the assembly chamber, the second communicating hole is communicated with the assembly hole, and the assembly hole is communicated with one end of the air outlet pipe;
the inside displacement of the assembly chamber is connected with a screening cylinder, the outer ring wall of the screening cylinder is attached to the inner wall of the assembly chamber, the tail end of the screening cylinder can be attached to the head of the middle ring in a displacement mode, the screening cylinder is cylindrical, a hole is reserved at the tail end of the screening cylinder, the head of the screening cylinder is provided with one end of a torsion spring III, the screening cylinder is arranged in the assembly chamber, the other end of the torsion spring III is fixedly connected with a plug sheet, the plug sheet is arranged in the assembly chamber, the plug sheet is inserted into the assembly chamber, the head of the plug sheet is fixedly connected with a shell door, and the tail end face of the shell door can be attached to the head wall face of the screening shell in a displacement mode;
the outer ring surface of the plug sheet is reserved with a ring-shaped ditch II, the inside of the ring-shaped ditch II is plugged with a plug strip, the inside of the ring-shaped ditch II is plugged with one end of the plug strip, which is plugged with the ring-shaped ditch II, is of an arch-shaped structure, two plug strips are arranged in a mirror image mode, the other ends of the plug strips are respectively connected with an independent displacement channel II in a displacement mode, a pair of displacement channel II are reserved on the screening shell in a mirror image mode, torsion springs I are assembled between the plug strips and the displacement channels II, the torsion springs I are arranged in the displacement channels II, and strain force of the torsion springs I exceeds that of the torsion springs III.
Further, the radius of the screening cylinder exceeds the radius of the second communicating hole, and the length from the head of the screening cylinder to the head of the middle ring does not exceed the length from the head of the first communicating hole to the head of the middle ring during the joint period of the tail end of the screening cylinder and the head of the middle ring.
Further, a pair of mirror-image connecting strips II are arranged on the lower wall surface of the shell door, the pair of connecting strips II are arranged in the same direction as the screen removing shell, one end of the connecting strips II is fixedly connected with the lower wall surface of the shell door, the middle displacement of the connecting strips II is connected with a ring body, the ring body is fixedly connected with the head of a displacement channel I, the displacement channel I is reserved in the screen removing shell, the other end of the connecting strips II is fixedly connected with a stop piece, the stop piece is connected with the displacement channel I, the radius of the stop piece exceeds the radius of the connecting strips II, the stop piece can be in displacement fit with the lower wall surface of the ring body, and the length from the lower wall surface of the ring body to the head of the stop piece exceeds the vertical length of the screen removing cylinder.
Further, a first annular channel is reserved on the inner wall of the assembly chamber, and the first annular channel is communicated with the first communicating hole.
Further, a space chamber is reserved at the head of the assembly hole, the radius of the space chamber exceeds the radius of the assembly hole, the head of the space chamber stretches to the lower wall surface of the middle ring, the lower wall surface of the middle ring is fixedly connected with a plurality of first connecting strips, the lower wall surface of the middle ring is fixedly connected with one ends of the plurality of first connecting strips, the plurality of first connecting strips are all arranged around the middle ring at equal intervals, the middle displacement of the plurality of first connecting strips is connected with a blocking piece, the other ends of the first connecting strips are all fixedly connected with a first retaining ring, a plurality of second torsion springs are arranged between the middle ring and the blocking piece, the radius of the blocking piece exceeds the radius of the second connecting hole, the second torsion springs are connected to the periphery of the first connecting strips, and the strain force of the second torsion springs does not exceed the compression impulse generated by gas on the blocking piece.
Further, the temperature sensor is electrically connected with the heater.
Compared with the prior art, the technical scheme provided by the invention has the following beneficial technical effects:
1. in the invention, the circulating fan operates to pull the gas in the forming bin shell to circulate in a circulating way through the gas outlet pipe, the screening component, the circulating pipe and the mounting shell, the temperature sensor detects the temperature of the gas in the forming bin shell and controls the starting of the heater, and the gas can be heated through the heater to perform constant temperature control on the inside of the forming bin shell.
2. According to the invention, when gas passes through the screening component, the screening component screens out powder in the gas, so that the problem that the powder in the gas is attached to the circulating fan when passing through the circulating fan to cause the circulating fan to break down can be avoided, after the screening cylinder is filled with the powder, the circulation of the screening cylinder is weakened, but the impulse generated by the gas is constant, so that the gas can be pulled to move towards the head, the screening cylinder is positioned at the position closest to the head, the torsion spring II is forced to squeeze and tighten, the impulse of the screening cylinder towards the head can be released at the plug sheet through the torsion spring II, and then the gas continuously flows in, so that the compression impulse in the screening cylinder is continuously lifted, the plug sheet is enabled to bear upward gas impulse to be continuously lifted, and when the screening cylinder bears upward impulse exceeding the first strain force of the torsion spring, the plug sheet is enabled to move towards the position deviating from the center line of the screening shell through the annular groove II, the torsion spring I is forced to squeeze and tighten, the plug sheet is not plugged, the screening cylinder is enabled to move towards the head, the screening cylinder traction sheet is enabled to move towards the head, the chamber is enabled to move, the automatic removal of the powder can be automatically removed from the screening cylinder, and the aim of the automatic removal of the screening cylinder is achieved, and the automatic removal of the screening can be achieved is convenient.
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 a schematic perspective view of a screening assembly according to the present invention;
FIG. 3 is a schematic cross-sectional view of a screen assembly of the present invention;
FIG. 4 is a schematic elevational view in cross-section of the screen assembly of the present invention;
FIG. 5 is a schematic elevational view in cross-section of the screen assembly of the present invention;
FIG. 6 is a schematic view of a left side view in cross section of the screen out assembly of the present invention;
FIG. 7 is an enlarged schematic view of the structure at α in FIG. 5;
FIG. 8 is an enlarged schematic view of a portion of the structure of FIG. 6;
fig. 9 is an enlarged schematic view of the structure at β in fig. 5.
Reference numerals: 1. forming a bin shell; 2. a heater; 3. an air outlet pipe; 4. a circulation pipe; 5. a mounting shell; 6. a circulating fan; 7. screening out the assembly; 71. sieving to remove the shell; 72. a communicating pipe; 73. a first communicating hole; 74. an assembly chamber; 75. a middle ring; 76. a second communicating hole; 77. a screening cylinder; 78. a plug-in piece; 79. a shell door; 720. a plug strip; 721. a torsion spring I; 722. a space chamber; 723. a blocking sheet; 724. a first connecting strip; 725. a first stop ring; 726. a torsion spring II; 727. assembling the hole; 728. a first annular channel; 729. a first displacement channel; 730. a second connecting strip; 731. a stop piece; 732. a torsion spring III; 733. a displacement channel II; 734. a second annular channel; 735. a ring body; 8. a temperature sensor.
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. 1-9, the invention provides a constant temperature control forming bin for 3D printing equipment, which comprises a forming bin shell 1, wherein a screening component 7 is arranged on a side image of the forming bin shell 1, one end of an air outlet pipe 3 is arranged at the bottom of the screening component 7, the other end of the air outlet pipe 3 stretches into the forming bin shell 1, one end of a circulating pipe 4 is arranged on the screening component 7, the other end of the circulating pipe 4 is communicated with a mounting shell 5, the mounting shell 5 is fixedly connected with the outer wall surface of the forming bin shell 1, a circulating fan 6 is arranged in the mounting shell 5, a heater 2 opposite to the circulating fan 6 is arranged on the side of the forming bin shell 1, and a temperature sensor 8 is arranged on the inner top wall of the forming bin shell 1;
the circulation fan 6 operates and pulls the circulation that shaping storehouse shell 1 the inside gas was through outlet duct 3, screen out subassembly 7, circulating pipe 4, installation shell 5 traction gas, temperature sensor 8 carries out the detection to the gas temperature of shaping storehouse shell 1 the inside, control the start-up of heater 2, can heat gas through heater 2, carry out thermostatic control to shaping storehouse shell 1 the inside, when gas is through screen out subassembly 7, screen out subassembly 7 screens out the powder in the gas, can avoid the powder in the gas to be stained with on circulation fan 6 when passing through circulation fan 6 and cause circulation fan 6 trouble.
The screening assembly 7 comprises a screening shell 71, a communicating pipe 72 is fixedly connected to the side of the screening shell 71, the communicating pipe 72 and the screening shell 71 are arranged at right angles, a first communicating hole 73 is reserved in the middle of the communicating pipe 72, one end of the first communicating hole 73 is a moving head and is connected with the circulating pipe 4, the other end of the first communicating hole 73 is inserted into an assembling chamber 74 through the screening shell 71, the assembling chamber 74 is reserved on the central line of the screening shell 71, the assembling chamber 74 extends from the head of the screening shell 71 towards the tail end, the radius of the assembling chamber 74 exceeds the radius of the first communicating hole 73, a second communicating hole 76 is arranged at the tail end of the assembling chamber 74, the second communicating hole 76 is communicated with the assembling hole 727, and the assembling hole 727 is communicated with one end of the air outlet pipe 3.
The inside displacement of assembly room 74 is linked to remove a section of thick bamboo 77, remove the outer lane wall laminating of section of thick bamboo 77 and the inner wall laminating of assembly room 74, remove the end of section of thick bamboo 77 and can displace the laminating at the head of middle circle 75, remove the section of thick bamboo 77 and be the tube-shape and terminal the reserved entrance to a cave, remove the head of section of thick bamboo 77 and install the one end of torsional spring three 732, remove the section of thick bamboo 77 and install the inside of assembly room 74, the other end of torsional spring three 732 is fixedly connected with jack-in piece 78, jack-in piece 78 installs the inside at assembly room 74, jack-in piece 78 is pegged graft assembly room 74, the head of jack-in piece 78 is fixedly connected with shell door 79, the terminal surface of shell door 79 can displace the laminating at the first wall of removing shell 71.
The insertion tabs 78 are inserted into the assembly chamber 74 by: the outer ring surface of the inserting piece 78 is reserved with a second ring-shaped groove 734, the inside of the second ring-shaped groove 734 is inserted with an inserting strip 720, the inside of the second ring-shaped groove 734 is inserted with one end of the inserting strip 720, the inserting strip 720 is in an arch-shaped structure with one end of the second ring-shaped groove 734, two inserting strips 720 are arranged in a mirror image mode, the other end of each inserting strip 720 is connected with a second independent displacement channel 733 in a displacement mode, the mirror image of the second displacement channel 733 is reserved on the screening shell 71, a first torsion spring 721 is assembled between each inserting strip 720 and each second displacement channel 733, the first torsion spring 721 is arranged in the second displacement channel 733, and the strain force of the first torsion spring 721 exceeds that of the third torsion spring 732.
The radius of the screening cylinder 77 exceeds the radius of the communication hole two 76, and the length from the head of the screening cylinder 77 to the head of the intermediate ring 75 does not exceed the length from the head of the communication hole one 73 to the head of the intermediate ring 75 during the fitting of the end of the screening cylinder 77 to the head of the intermediate ring 75. Ensuring that the head of the screen cylinder 77 is initially positioned in the orientation of the first communication hole 73.
In a normal state, the first torsion spring 721 and the third torsion spring 732 are in an unfurled extension normal state, the first torsion spring 721 enables the plug strip 720 to be positioned in the second annular channel 734, the plug strip 78 is plugged into the plug strip 720, the third torsion spring 732 enables the screening cylinder 77 to be attached to the head of the middle ring 75, powder-containing gas drawn by the circulating fan 6 sequentially passes through the assembly hole 727 and the second communication hole 76, and flows into the screening cylinder 77 through a hole at the tail end of the screening cylinder 77, then flows into the assembly chamber 74 and flows out of the first communication hole 73, and the screening cylinder 77 screens powder in the powder-containing gas; during periods of no powder and little powder inside the sifting cylinder 77, the slightly weaker pressing impulse generated by the gas passing through the sifting cylinder 77 can be eliminated by the strain force of the torsion spring three 732, thereby the torsion spring three 732 keeps the sifting cylinder 77 in a lower position all the time during periods of no powder inside the sifting cylinder 77 and little powder inside; then the gas continuously passes through the screening cylinder 77, because the head of the screening cylinder 77 approaches to the position of the first communicating hole 73, the gas displacement speed of the head position of the screening cylinder 77 exceeds the displacement speed of the other positions, the powder in the gas is firstly converged at the head of the screening cylinder 77, namely the position of the first communicating hole 73, so that the fluxion of the screening cylinder 77 is weakened, but the impulse generated by the gas is constant, the impulse is pressed and lifted in the screening cylinder 77, the gas can be pulled 107 to displace towards the head, the torsion spring III 732 is forced to be squeezed and tightened, the screening cylinder 77 is displaced towards the head, and after the powder convergence range on the screening cylinder 77 is far away from the first communicating hole 73, the impulse of the gas to the screening cylinder 77 and the strain force of the torsion spring III 732 are balanced again; the orientation of the sifting cylinder 77 can be automatically changed toward the head according to the amount of powder on the sifting cylinder 77; after the sieving cylinder 77 is filled with powder, the sieving cylinder 77 is located at the position closest to the head by the gas, the torsion spring III 732 is forced to squeeze and tighten, the impulse of the sieving cylinder 77 towards the head can be released at the inserting piece 78 through the torsion spring III 732, and the gas continuously flows in, so that the compression impulse in the sieving cylinder 77 is continuously lifted, the sieving cylinder 77 is continuously lifted by the upward impulse of the gas, when the upward impulse of the sieving cylinder 77 exceeds the strain force of the torsion spring I721, the inserting piece 78 enables the inserting piece 720 to move towards the position away from the center line of the sieving shell 71 through the annular groove II 734, the torsion spring I721 is forced to squeeze and tighten, the inserting piece 720 is not inserted into the inserting piece 78 any more, the gas enables the sieving cylinder 77 to pull the inserting piece 78 towards the head to move out of the assembling chamber 74, and the aim of autonomously moving the sieving cylinder 77 is achieved; the screen drum 77 is set on the lower wall surface of the insertion piece 78, and the housing door 79 is pressed toward the inside of the assembly chamber 74 to allow the insertion piece 78 to be inserted again into the assembly chamber 74 after the screen drum 77 is set on the lower wall surface of the insertion piece 78 to achieve the purpose of autonomous removal after the screen drum 77 screens out the amount of powder, and the circulation fan 6 is stopped when the screen drum 77 is assembled.
The lower wall surface of the shell door 79 is provided with a pair of coupling strips II 730 which are arranged in a mirror image mode, the installation orientation of the pair of coupling strips II 730 is the same as that of the screening shell 71, the lower wall surface of the shell door 79 is fixedly connected with one end of the coupling strips II 730, the middle displacement of the coupling strips II 730 is connected with a ring body 735, the ring body 735 is fixedly connected with the head of a displacement channel I729, the displacement channel I729 is reserved in the screening shell 71, the other end of the coupling strips II 730 is fixedly connected with a stop piece 731, the stop piece 731 is in displacement connection with the displacement channel I729, the radius of the stop piece 731 exceeds that of the coupling strips II 730, and the stop piece 731 can be in displacement fit with the lower wall surface of the ring body 735. The length from the lower wall surface of the ring 735 to the head of the stop piece 731 exceeds the vertical length of the screening cylinder 77, that is, the displacement length of the second connecting strip 730 exceeds the vertical length of the screening cylinder 77.
During displacement of blocked screen drum 77 pulling on spigot 78 toward the head, spigot 78 pulling on shell door 79 toward the head, shell door 79 pulling on second coupling strip 730 toward the head, second coupling strip 730 pulling on stop tab 731 toward the head, ring 735 restraining second coupling strip 730 from subsequently being displaced toward the head when the head of stop tab 731 engages the lower wall of ring 735, and thus restraining shell door 79 from subsequently being displaced toward the head, screen drum 77 being located intermediate spigot 78 and screen drum 71 because the length of displacement of second coupling strip 730 exceeds the vertical length of screen drum 77, so as to prevent injury to the engineer after screen drum 77 is removed by gas.
A circular groove one 728 is reserved on the inner wall of the assembly chamber 74, the circular groove one 728 is communicated with the first communicating hole 73, so that gas in the screening cylinder 77 can flow into the first communicating hole 73 along the edge of the screening cylinder 77 through the circular groove one 728, the exhaust volume of the screening cylinder 77 is increased, and powder in the screening cylinder 77 can be placed along the edge of the screening cylinder 77.
The head of the assembly hole 727 is reserved with a space chamber 722, the radius of the space chamber 722 exceeds the radius of the assembly hole 727, the head of the space chamber 722 extends to the lower wall surface of the middle ring 75, the lower wall surface of the middle ring 75 is fixedly connected with a plurality of first connecting strips 724, the lower wall surface of the middle ring 75 is fixedly connected with one ends of the plurality of first connecting strips 724, the plurality of first connecting strips 724 are all equidistantly arranged around the middle ring 75 as a center, the middle displacement of the plurality of first connecting strips 724 is connected with a blocking sheet 723, the other ends of the first connecting strips 724 are fixedly connected with a first stop ring 725, the middle ring 75 and the blocking sheet 723 are provided with a plurality of second torsion springs 726 therebetween, the radius of the blocking sheet 723 exceeds the radius of the second connecting hole 76, the second torsion springs 726 are connected with the periphery of the first connecting strips 724, and the strain force of the second torsion springs 726 does not exceed the compression impulse generated by the gas on the blocking sheet 723.
When the screening cylinder 77 is positioned in the assembly chamber 74, the torsion spring II 726 is in an unconstrained and extended state, so that a gap exists between the upper wall surface of the blocking piece 723 and the lower wall surface of the middle ring 75, and gas can flow into the second communication hole 76 between the blocking piece 723 and the middle ring 75, and the compression impulse born by the upper wall surface and the lower wall surface of the blocking piece 723 is the same. When the powder blocks the screening cylinder 77, the gas lets the screening cylinder 77 move out of the assembly chamber 74, the upper wall surface of the blocking plate 723 is communicated with the outside, the lower wall surface of the blocking plate 723 bears the compression impulse of the gas, the torsion spring II 726 is compressed and tightened, the upper wall surface of the blocking plate 723 can be attached to the lower wall surface of the middle ring 75, so that the gas can be prevented from continuously rushing into the assembly chamber 74 from the second communicating hole 76, and then the gas is blown out of the head of the assembly chamber 74, so that the outside is prevented from being damaged by the gas sprayed out, and the powder in the gas is prevented from being damaged by engineers.
The implementation mode specifically comprises the following steps: after the sieving cylinder 77 is filled with powder, the circulation of the sieving cylinder 77 is weakened, but the impulse generated by the gas is constant, so that the gas can draw 107 to move towards the head, the sieving cylinder 77 is located in the position closest to the head, the torsion spring III 732 is forced to squeeze and tighten, the impulse of the sieving cylinder 77 towards the head can be released at the plug blade 78 through the torsion spring III 732, the continuous impulse of the gas follows, the compression impulse in the sieving cylinder 77 is continuously lifted, the sieving cylinder 77 is continuously lifted by the upward impulse of the gas, when the sieving cylinder 77 is subjected to the upward impulse to exceed the strain force of the torsion spring I721, the plug blade 78 is forced to displace the plug blade 720 towards the position away from the center line of the sieving shell 71 through the annular channel II 734, the torsion spring I721 is forced to squeeze and tighten, the plug blade 720 is not plugged into the plug blade 78 any more, the gas is forced to draw the plug blade 78 towards the head, the paste the plug blade 78 towards the head, the sieving cylinder 77 is removed from the assembly chamber 74, the aim of autonomously removing the sieving cylinder 77 is achieved, and the aim of autonomously removing the sieving cylinder 77 is achieved after the quantitative powder is removed. The unused sieving cylinder 77 can be assembled fastest after the quantitative powder is sieved out by the sieving cylinder 77, so that the displacement of gas is prevented after the blocking of the sieving cylinder 77, the circulation of the gas in the forming bin shell 1 is prevented, the constant temperature control is prevented, and the powder and the circulating fan 6 are combined to prevent the operation of the circulating fan 6 and the circulation of the gas from being prevented to control the constant temperature in the forming bin shell 1.
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 (6)
1. The utility model provides a constant temperature control shaping storehouse for 3D printing apparatus, includes shaping storehouse shell (1), its characterized in that, screen out subassembly (7) are being installed to the limit side mirror image of shaping storehouse shell (1), the one end of outlet duct (3) is being installed to the bottom of screen out subassembly (7), the other end of outlet duct (3) stretches into the inside of shaping storehouse shell (1), install the one end of circulating pipe (4) on screen out subassembly (7), the other end of circulating pipe (4) is being linked together installing shell (5), the outer wall face of installing shell (5) and shaping storehouse shell (1) links firmly, circulating fan (6) are being installed to the inside of installing shell (5), heater (2) opposite with circulating fan (6) position are being installed to the limit side of shaping storehouse shell (1), temperature sensor (8) are being installed to the interior roof of shaping storehouse shell (1);
the screening component (7) comprises a screening shell (71), a communicating pipe (72) is fixedly connected to the side of the screening shell (71), the communicating pipe (72) and the screening shell (71) are arranged at right angles, a first communicating hole (73) is reserved in the middle of the communicating pipe (72), one end of the first communicating hole (73) is a moving-out head and is connected with the circulating pipe (4), the other end of the first communicating hole (73) is inserted into an assembling chamber (74) through the screening shell (71), the assembling chamber (74) is reserved on the central line of the screening shell (71), the assembling chamber (74) extends towards the tail end from the head of the screening shell (71), the radius of the assembling chamber (74) exceeds the radius of the first communicating hole (73), a second communicating hole (76) is arranged at the tail end of the assembling chamber (74), the second communicating hole (76) is communicated with the assembling hole (727), and one end of the assembling hole (727) is communicated with the air outlet pipe (3);
the inside displacement of assembly room (74) is connected with a screening cylinder (77), the outer ring wall of screening cylinder (77) is attached to the inner wall of assembly room (74), the tail end of screening cylinder (77) can be attached to the head of middle ring (75) in a displacement mode, screening cylinder (77) is cylindrical, a hole is reserved at the tail end of screening cylinder (77), one end of torsion spring III (732) is arranged at the head of screening cylinder (77), screening cylinder (77) is arranged inside assembly room (74), the other end of torsion spring III (732) is fixedly connected with a plug piece (78), plug piece (78) is arranged inside assembly room (74), plug piece (78) is connected with assembly room (74), the head of plug piece (78) is fixedly connected with a shell door (79), and the tail end face of shell door (79) can be attached to the head wall face of screening shell (71) in a displacement mode;
the outer ring surface of the plug sheet (78) is reserved with a ring-shaped ditch second (734), the inside of the ring-shaped ditch second (734) is plugged with a plug strip (720), one end of the plug strip (720) is plugged with the inside of the ring-shaped ditch second (734), one end of the plug strip (720) plugged with the ring-shaped ditch second (734) is of an arch structure, two plug strips (720) are arranged in a mirror image mode, the other end of each plug strip (720) is connected with an independent displacement channel second (733) in a displacement mode, a pair of displacement channels second (733) are reserved on the screening shell (71) in a mirror image mode, a torsion spring first (721) is assembled between each plug strip (720) and each displacement channel second (733), the torsion spring first (721) is arranged in the displacement channel second (733), and the strain force of the torsion spring first (721) exceeds that of the torsion spring third (732).
2. A thermostatically controlled forming cartridge for a 3D printing apparatus as claimed in claim 1, wherein: the radius of the screening cylinder (77) exceeds the radius of the first communicating hole (76), and the length from the head of the screening cylinder (77) to the head of the middle ring (75) is not more than the length from the head of the first communicating hole (73) to the head of the middle ring (75) during the joint of the tail end of the screening cylinder (77) and the head of the middle ring (75).
3. A thermostatically controlled forming cartridge for a 3D printing apparatus as claimed in claim 1, wherein: the lower wall surface of the shell door (79) is provided with a pair of connecting strips II (730) which are arranged in a mirror image mode, the pair of connecting strips II (730) are arranged in the same direction as the screening shell (71), the lower wall surface of the shell door (79) is fixedly connected with one end of the connecting strips II (730), the middle displacement of the connecting strips II (730) is connected with a ring body (735), the ring body (735) is fixedly connected with the head of a displacement channel I (729), the displacement channel I (729) is reserved in the screening shell (71), the other end of the connecting strips II (730) is fixedly connected with a stop piece (731), the stop piece (731) is connected with the displacement channel I (729) in a displacement mode, the radius of the stop piece (731) exceeds the radius of the connecting strips II (730), the length from the lower wall surface of the ring body (735) to the head of the stop piece (731) exceeds the vertical length of the screening barrel (77).
4. A thermostatically controlled forming cartridge for a 3D printing apparatus as claimed in claim 1, wherein: a circular groove I (728) is reserved on the inner wall of the assembly chamber (74), and the circular groove I (728) is communicated with the communication hole I (73).
5. A thermostatically controlled forming cartridge for a 3D printing apparatus as claimed in claim 1, wherein: the head of the assembly hole (727) is reserved with a space chamber (722), the radius of the space chamber (722) exceeds the radius of the assembly hole (727), the head of the space chamber (722) stretches to the lower wall surface of the middle ring (75), the lower wall surface of the middle ring (75) is fixedly connected with a plurality of first connecting strips (724), the lower wall surface of the middle ring (75) is fixedly connected with one ends of a plurality of first connecting strips (724), the first connecting strips (724) are all equidistantly arranged around the middle ring (75), the middle displacement of the first connecting strips (724) is connected with a blocking piece (723), the other ends of the first connecting strips (724) are fixedly connected with a first retaining ring (725), the middle ring (75) and the blocking piece (723) are fixedly provided with a plurality of second torsion springs (726), the radius of the blocking piece (726) exceeds the radius of the second connecting holes (76), the second torsion springs (726) are respectively hooped around the middle ring (75), and the second torsion springs (723) are not pressed by the second strain springs (723) to generate a force which is not exceeding the second strain force of the blocking piece (723).
6. A thermostatically controlled forming cartridge for a 3D printing apparatus as claimed in claim 1, wherein: the temperature sensor (8) is electrically connected with the heater (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210883817.2A CN115301954B (en) | 2022-07-26 | 2022-07-26 | A constant temperature control shaping storehouse for 3D printing apparatus |
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| CN202210883817.2A CN115301954B (en) | 2022-07-26 | 2022-07-26 | A constant temperature control shaping storehouse for 3D printing apparatus |
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| CN115301954B true CN115301954B (en) | 2023-08-22 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115505433A (en) * | 2022-11-23 | 2022-12-23 | 江苏航天惠利特环保科技有限公司 | Aftertreatment device of gasifier |
| CN116095997B (en) * | 2022-12-19 | 2023-10-24 | 江苏太阳鸟照明电器有限公司 | Intelligent control box for explosion-proof illumination |
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