CN115301954A - Constant temperature control forming bin for 3D printing equipment - Google Patents
Constant temperature control forming bin for 3D printing equipment Download PDFInfo
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- CN115301954A CN115301954A CN202210883817.2A CN202210883817A CN115301954A CN 115301954 A CN115301954 A CN 115301954A CN 202210883817 A CN202210883817 A CN 202210883817A CN 115301954 A CN115301954 A CN 115301954A
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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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- Automation & Control Theory (AREA)
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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 the side of the forming bin shell in a mirror image mode, one end of a gas outlet pipe is arranged at the bottom of the screening component, the other end of the gas 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 circulation of gas is difficult to be perceived and replaced after the screening part is blocked so that the constant temperature control cannot be normally executed.
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 technology does not need a cutter and a die, does not need to carry out multi-process processing, has short production period and can easily process parts with complex structures. The current 3D printing technologies can be broadly classified into SLS (selective laser sintering), SLM (selective laser melting), FDM (fused deposition modeling), SLA (stereo photo-curing modeling), EBM (electron beam injection molding). The SLM technology utilizes high-energy laser beams to irradiate metal powder to enable the metal powder to be rapidly melted and cooled and solidified for forming, metal parts can be directly manufactured by using 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 wide application in the fields of automobiles, aerospace, medical treatment, military industry and the like.
3D prints and needs to accomplish in the shaping storehouse, need guarantee the constant temperature of the inside temperature in shaping storehouse during 3D prints, ensure the quality of printing the product from this, it carries out circulation heating accuse temperature to all utilize the flow of fan drive shaping storehouse the inside gas usually, but gas in the shaping storehouse can mix the powder in the gas because of the existence of printing the powder, the gas that has the powder like this is stained with the operation trouble that can cause the fan on the fan through the fan powder, install screening piece additional usually and carry out screening to the powder in the gas, but at present screening piece is difficult for perceiving and replacing after blocking, obstruct gaseous circulation, cause thermostatic control can not normal execution, propose a thermostatic control shaping storehouse for 3D printing apparatus from this.
Disclosure of Invention
The invention provides a constant temperature control molding bin for 3D printing equipment, and aims to solve the problem that constant temperature control cannot be normally executed due to the fact that a conventional screening part is not easy to perceive and replace to block circulation of gas after being blocked.
The invention provides a constant temperature control forming bin for D printing equipment, which comprises a forming bin shell, wherein a screening component is arranged on the side of the forming bin shell in a mirror image mode, 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 side of the forming bin shell, and a temperature sensor is arranged on the inner top wall of the forming bin shell.
Furthermore, the screening component comprises a screening shell, the side of the screening shell is fixedly connected with a communicating pipe, the communicating pipe and the screening shell are arranged at a right angle, a first communicating hole is reserved in the middle of the communicating pipe, one end of the first communicating hole is a shifting-out head and is connected with a 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 to 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 one end of the assembly hole is communicated with one end of an air outlet pipe;
the inner side of the assembly chamber is connected with a screening barrel in a displacement mode, the outer ring wall of the screening barrel is attached to the inner wall of the assembly chamber, the tail end of the screening barrel can be attached to the head of the middle ring in a displacement mode, the screening barrel is cylindrical, a hole is reserved in the tail end of the screening barrel, one end of a second torsion spring is installed at the head of the screening barrel, the screening barrel is installed in the assembly chamber, the other end of the second torsion spring is fixedly connected with an insertion piece, the insertion piece is installed in the assembly chamber, the insertion piece is inserted into the assembly chamber, the head of the insertion piece 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 lane face of inserted sheet reserves circle ditch way two, the grafting strip is being inserted to the inside of circle ditch way two, the one end of grafting strip is being inserted to the inside of circle ditch way two, the grafting strip is with one end of circle ditch way two grafting be the hunch form structure, two are being installed to the grafting strip mirror image, each another displacement of grafting strip is the displacement and is being linked to solitary displacement passageway two, and is a pair of two mirror images of displacement passageway are reserved on the screening shell, each the grafting strip is assembled torsional spring one with each displacement passageway two between, torsional spring one is installed in the inside of displacement passageway two, the dependent stress of torsional spring one exceeds the dependent stress of torsional spring two.
Further, the radius of the screening cylinder exceeds the radius of the second communication hole, and during the period that the tail end of the screening cylinder is attached to the head of the middle ring, 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 communication hole to the head of the middle ring.
Furthermore, a pair of connecting strips II which are arranged in a mirror image mode are arranged on the lower wall face of the shell door, the pair of connecting strips II and the screening shell are arranged in the same direction, the lower wall face of the shell door is fixedly connected with one end of the connecting strips II, the middle position of the connecting strips II is connected in a phase-shifting mode, the head of the displacement channel I is fixedly connected, the displacement channel I is reserved in the screening shell, the other end of the connecting strips II is fixedly connected with a position stopping piece, the position stopping piece is connected with the displacement channel I in a displacement mode, the radius of the position stopping piece exceeds the radius of the connecting strips II, the position stopping piece can displace the attached lower wall face, and the length from the lower wall face to the head of the position stopping piece exceeds the vertical length of the screening barrel.
Further, a first ring-shaped channel is reserved on the inner wall of the assembly chamber, and the first ring-shaped channel is communicated with the first communication hole.
Furthermore, a space chamber is reserved at the head of the assembling hole, the radius of the space chamber exceeds the radius of the assembling hole, the head of the space chamber extends to the lower wall face of the middle ring, the lower wall face of the middle ring is fixedly connected with a plurality of first connecting strips, the lower wall face of the middle ring is fixedly connected with one end of the first connecting strips, the first connecting strips are arranged around the middle ring in an equidistant mode, the middle positions of the first connecting strips are in phase shift connection with the blocking piece, the other end of each first connecting strip is fixedly connected with the first stopping 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 hooped on the periphery of the first connecting strips, and the strain force of the second torsion springs does not exceed the pressing impulse generated by gas on the blocking piece.
Further, the temperature sensor is electrically connected to the heater.
Compared with the prior art, the technical scheme of the invention has the following beneficial technical effects:
1. in the invention, the circulating fan operates to pull the gas in the molding bin shell to circulate 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 molding bin shell, the heater is controlled to start, the gas can be heated by the heater when the gas passes through the heater, and the constant temperature control is performed on the inside of the molding bin shell.
2. When the gas passes through the screening component, the screening component screens out the powder in the gas, so that the powder in the gas is prevented from being attached to the circulating fan when passing through the circulating fan to cause the fault of the circulating fan, after the screening cylinder is filled with the powder, the liquidity of the screening cylinder is weakened, but the impulse generated by the gas is constant, so that the gas can be dragged to move towards the head, the screening cylinder is located at the position closest to the head, the torsion spring II is forced to be squeezed and tightened, the impulse of the screening cylinder towards the head can be released on the insertion sheet through the torsion spring II and then continuously rushes into the gas, so that the impulse of the gas in the screening cylinder is continuously increased, the impulse of the gas borne by the screening cylinder upwards is continuously increased, when the screening cylinder bears the strain force of the torsion spring I, the insertion sheet enables the insertion strip to deviate from the tightening position of the center line of the screening shell through the insertion ring II, the torsion spring I is forced to be squeezed and inserted into the insertion sheet, the insertion sheet is not dragged to be inserted into the insertion cylinder, the screening cylinder is moved out of the screening cylinder, and the target of the screening cylinder can be removed independently.
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, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic perspective view of a screening assembly of the present invention;
FIG. 3 is a schematic cross-sectional view of the screen assembly of the present invention;
FIG. 4 is a schematic elevation view of a cross-section of the screen assembly of the present invention;
FIG. 5 is a schematic elevation view of a cross-section of the screen assembly of the present invention;
FIG. 6 is a schematic left side elevational view of a cross-section of the screen assembly of the present invention;
FIG. 7 is an enlarged view of the structure at α in FIG. 5;
FIG. 8 is an enlarged view of a portion of the structure of FIG. 6;
fig. 9 is an enlarged view of the structure at β in fig. 5.
Reference numerals are as follows: 1. forming a bin shell; 2. a heater; 3. an air outlet pipe; 4. a circulation pipe; 5. mounting a shell; 6. a circulating fan; 7. a screening assembly; 71. screening out shells; 72. a communicating pipe; 73. a first communicating hole; 74. an assembly chamber; 75. a middle ring; 76. a second communicating hole; 77. screening out the cylinder; 78. a plug-in sheet; 79. a shell door; 720. inserting strips; 721. a first torsion spring; 722. a spatial chamber; 723. a barrier sheet; 724. a first connecting bar; 725. a first stop ring; 726. a second torsion spring; 727. assembling holes; 728. a ring-shaped first groove; 729. a first displacement channel; 730. a second connecting strip; 731. a stop sheet; 732. a third torsion spring; 733. a second displacement channel; 734. a second ring-shaped ditch; 8. a temperature sensor.
Detailed Description
In order to make the objects, technical solutions and advantages of the technical solutions of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the drawings of the specific embodiments of the present invention. Like reference symbols in the various drawings indicate like elements. It should be noted that the described embodiments are part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the invention without any inventive step, are within the scope of protection of the invention.
As shown in fig. 1-9, the invention provides a constant temperature control molding bin for 3D printing equipment, which comprises a molding bin shell 1, wherein a screening component 7 is installed on the side of the molding bin shell 1 in a mirror image manner, one end of an air outlet pipe 3 is installed at the bottom of the screening component 7, the other end of the air outlet pipe 3 extends into the molding bin shell 1, one end of a circulating pipe 4 is installed 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 molding bin shell 1, a circulating fan 6 is installed in the mounting shell 5, a heater 2 opposite to the circulating fan 6 is installed on the side of the molding bin shell 1, and a temperature sensor 8 is installed on the inner top wall of the molding bin shell 1;
the gaseous outlet duct 3 of passing through of 6 function of circulating fan traction shaping storehouse shells 1 the inside, screen out subassembly 7, circulating pipe 4, the circulation that gaseous is pull to installation shell 5, temperature sensor 8 carries out the detection to the gas temperature of shaping storehouse shells 1 the inside, control the start-up of heater 2, can heat gas through heater 2 at gas, carry out thermostatic control to shaping storehouse shells 1 the inside, when gaseous passing through screens out subassembly 7, screen out subassembly 7 sieves out powder in the gas, can be so that the powder in the gas be stained with and attach and cause circulating fan 6 trouble on circulating fan 6 when passing through circulating fan 6.
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 a right angle, 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 shifting head and is connected with the circulating pipe 4, the other end of the first communicating hole 73 penetrates through the screening shell 71 to be inserted into an assembly chamber 74, the assembly chamber 74 is reserved on the central line of the screening shell 71, the assembly chamber 74 extends from the head of the screening shell 71 to the tail end, the radius of the assembly chamber 74 exceeds the radius of the first communicating hole 73, a second communicating hole 76 is arranged at the tail end of the assembly chamber 74, the second communicating hole 76 is communicated with an assembly hole 727, and the assembly hole 727 is communicated with one end of the air outlet pipe 3.
The inner side of the assembly chamber 74 is connected with a screening barrel 77 in a displacement mode, the outer ring wall of the screening barrel 77 is attached to the inner wall of the assembly chamber 74, the tail end of the screening barrel 77 can be attached to the head of the middle ring 75 in a displacement mode, the screening barrel 77 is cylindrical, a hole is reserved in the tail end of the screening barrel 77, one end of a second torsion spring 732 is arranged at the head of the screening barrel 77, the screening barrel 77 is arranged in the assembly chamber 74, the other end of the second torsion spring 732 is fixedly connected with an insertion sheet 78, the insertion sheet 78 is arranged in the assembly chamber 74 in an insertion mode, the insertion sheet 78 is inserted into the assembly chamber 74, the head of the insertion sheet 78 is fixedly connected with a shell door 79, and the tail end face of the shell door 79 can be attached to the head wall face of the screening shell 71 in a displacement mode.
The method of plugging the plug tab 78 into the assembly chamber 74 is: the outer ring surface of the insertion sheet 78 is reserved with a second annular groove 734, the inner side of the second annular groove 734 is inserted with the insertion strip 720, the inner side of the second annular groove 734 is inserted with one end of the insertion strip 720, one end of the insertion strip 720 inserted with the second annular groove 734 is in an arch-shaped structure, the two insertion strips 720 are arranged in a mirror image manner, the other end of each insertion strip 720 is connected with a separate displacement channel two 733 in a displacement manner, a pair of displacement channels two 733 is reserved on the screening shell 71 in a mirror image manner, a first torsion spring 721 is arranged between each insertion strip 720 and each displacement channel two 733, the first torsion spring 721 is arranged in the displacement channel two 733, and the strain force of the first torsion spring 721 exceeds the strain force of the second torsion spring 732.
The radius of the screening cylinder 77 exceeds that of the second communication hole 76, and the length from the head of the screening cylinder 77 to the head of the middle ring 75 does not exceed the length from the head of the first communication hole 73 to the head of the middle ring 75 during the period that the tail end of the screening cylinder 77 is attached to the head of the middle ring 75. It is ensured that the head of the screening cylinder 77 is first in the orientation of the through-hole one 73.
Under the normal state, the torsion spring one 721 and the torsion spring two 732 are in the unconstrained extension normal state, the torsion spring one 721 enables the insertion strip 720 to be positioned inside the annular channel two 734, the insertion strip 720 is inserted into the insertion piece 78, the torsion spring two 732 enables the screening cylinder 77 to be attached to the head of the middle ring 75, the gas containing powder and dragged by the circulating fan 6 sequentially passes through the assembly hole 727 and the communication hole two 76, and then flows into the screening cylinder 77 through the hole at the tail end of the screening cylinder 77 and then flows out from the communication hole one 73, and the screening cylinder 77 screens out the powder in the gas containing powder; during the period when no powder exists in the screening cylinder 77 and the amount of powder exists is small, the slightly weak pressing impulse generated by the gas passing through the screening cylinder 77 can be eliminated by the strain force of the second torsion spring 732, so that the second torsion spring 732 enables the screening cylinder 77 to be always positioned at the lower position during the period when no powder exists in the screening cylinder 77 and the amount of powder exists in the screening cylinder; then the gas continuously passes through the screening barrel 77, because the head of the screening barrel 77 is close to the position of the first communication hole 73, the gas displacement speed of the head position of the screening barrel 77 exceeds the displacement speed of the other position, the powder in the gas is firstly gathered at the head of the screening barrel 77, namely the position of the first communication hole 73, the circulation of the screening barrel 77 is weakened, but the impulse generated by the gas is constant, the impulse is pressed and lifted in the screening barrel 77, the gas can be pulled to move towards the head, the second torsion spring 732 is forced to be squeezed and tightened, the screening barrel 77 moves towards the head, after the powder gathering range on the screening barrel 77 is far away from the first communication hole 73, the impulse of the gas to the screening barrel 77 and the strain force of the second torsion spring 732 return to balance again; the orientation of the screening drum 77 can be autonomously changed towards the head according to the amount of powder on the screening drum 77; after the screening cylinder 77 is filled with powder, the gas allows the screening cylinder 77 to be located at the position closest to the head, the second torsion spring 732 is forced to be squeezed and tightened, the impulse of the screening cylinder 77 towards the head can be released at the plug piece 78 through the second torsion spring 732 and then continuously gushes along with the gas, so that the pressing impulse in the screening cylinder 77 is continuously lifted, the impulse of the gas upwards borne by the screening cylinder 77 is continuously lifted, when the impulse of the gas upwards borne by the screening cylinder 77 exceeds the strain force of the first torsion spring 721, the plug piece 78 allows the plug strip 720 to be displaced towards the position away from the center line of the screening shell 71 through the second annular groove 734, the first torsion spring 721 is forced to be squeezed and tightened, the plug strip 720 is not plugged to the plug piece 78, the gas allows the screening cylinder 77 to pull the plug piece 78 to be displaced towards the head, the screening cylinder 77 is moved out from the assembly chamber 74, and the aim of the automatic moving-out of the screening cylinder 77 is achieved; when the unused screening drum 77 is assembled, the operation of the circulating fan 6 is stopped, the screening drum 77 is placed on the lower wall surface of the insertion piece 78, the shell door 79 is pressed towards the inside of the assembly chamber 74, and the insertion piece 78 is inserted into the assembly chamber 74 again.
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 installation direction of the pair of connecting 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 connecting strips II 730, the middle position of the connecting strips II 730 is connected with 735 and 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 connecting strips II 730 is fixedly connected with a stop piece 731, the stop piece 731 is connected with the displacement channel I729 in a displacement mode, the radius of the stop piece 731 exceeds the radius of the connecting strips II 730, and the stop piece 731 can be displaced to be attached to the lower wall surface of the 735. 735 the length from the lower wall surface to the head of the stop piece 731 exceeds the vertical length of the sifting cylinder 77, i.e. the length of displacement of the second connecting bar 730 exceeds the vertical length of the sifting cylinder 77.
During the period that the blocked screening cylinder 77 pulls the plug piece 78 to displace towards the head, the plug piece 78 pulls the shell door 79 to displace towards the head, the shell door 79 pulls the connecting strip II 730 to displace towards the head, the connecting strip II 730 pulls the stop piece 731 to displace towards the head, when the head of the stop piece 731 is jointed with the lower wall surface of the 735, the 735 stops the connecting strip II 730 from displacing towards the head, and further stops the shell door 79 from displacing towards the head, and the screening cylinder 77 is positioned between the plug piece 78 and the screening shell 71 because the displacement length of the connecting strip II 730 exceeds the vertical length of the screening cylinder 77, so that an engineer is prevented from being injured after the screening cylinder 77 is removed by gas.
A ring-shaped ditch path one 728 is reserved on the inner wall of the assembly chamber 74, the ring-shaped ditch path one 728 is communicated with the communication hole one 73, so that gas in the screening cylinder 77 flows into the communication hole one 73 along the edge of the screening cylinder 77 through the ring-shaped ditch path 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 reserves 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 end of the plurality of first connecting strips 724, the plurality of first connecting strips 724 are arranged around the middle ring 75 at equal intervals, the middle position of the plurality of first connecting strips 724 is connected with a blocking plate 723, the other end of each first connecting strip 724 is fixedly connected with a first stopping ring 725, a plurality of second torsion springs 726 are arranged between the middle ring 75 and the blocking plate 723, the radius of the blocking plate exceeds the radius of the second connecting hole 76, each second torsion spring 726 is connected with the periphery of each first connecting strip 724, and the strain force of the second torsion springs does not exceed the pressing impulse generated by air on the blocking plate 723.
When the screening cylinder 77 is located in the assembly chamber 74, the second torsion spring 726 is in an unconstrained and extended normal state, a gap exists between the upper wall surface of the blocking piece 723 and the lower wall surface of the middle ring 75, and air can flow into the second communication hole 76 between the blocking piece 723 and the middle ring 75, so that the compression impulse borne by the upper wall surface and the lower wall surface of the blocking piece 723 is the same. When the screening cylinder 77 is blocked by the powder, the gas allows the screening cylinder 77 to move out of the assembly chamber 74, the upper wall surface of the blocking piece 723 is communicated with the outside, the lower wall surface of the blocking piece 723 bears the pressing impulse of the gas, the second torsion spring 726 is further pressed to be tightened, the upper wall surface of the blocking piece 723 can be attached to the lower wall surface of the middle ring 75, the gas is prevented from continuously flowing into the assembly chamber 74 from the second communication hole 76, then the outside is blown out from the head of the assembly chamber 74, the outside is prevented from being damaged by the spraying of the gas, and the powder in the gas is prevented from being damaged by an engineer.
The implementation mode is specifically as follows: 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 pull 107 to displace towards the head, the gas can make the sieving cylinder 77 located at the position closest to the head, the second torsion spring 732 is forced to contract, the impulse of the sieving cylinder 77 towards the head can be released at the plug-in piece 78 through the second torsion spring 732, and then the gas continuously flows in, so that the compression impulse in the sieving cylinder 77 is continuously lifted, the upward gas impulse borne by the sieving cylinder 77 is continuously lifted, when the upward impulse borne by the sieving cylinder 77 exceeds the strain force of the first torsion spring 721, the plug-in piece 78 allows the plug-in strip 720 to displace towards the position away from the center line of the sieving shell 71 through the second annular channel 734, the first torsion spring 721 is forced to contract, the plug-in strip 720 is not plugged in the plug-in piece 78, the gas makes the sieving cylinder 77 pull the plug-in piece 78 to displace towards the head, and makes the sieving cylinder 77 move out from the assembly chamber 74, thereby achieving the goal of self-moving out of the sieving cylinder 77 and self-quantitative powder. The screening section of thick bamboo 77 that does not use can assemble the fastest behind the screening of a screening section of thick bamboo 77 and remove a quantitative powder to screening section of thick bamboo 77 hinders gaseous displacement after blockking, and then hinders gaseous circulation in shaping storehouse shell 1, and then hinders homothermal control, also in order to avoid powder and circulating fan 6 to combine to hinder circulating fan 6's operation and then hinder the homothermal control of gaseous circulation to shaping storehouse shell 1 the inside.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, and such changes and modifications are within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. The utility model provides a constant temperature control shaping storehouse for 3D printing apparatus, includes shaping storehouse shell (1), its characterized in that, the avris mirror image of shaping storehouse shell (1) is installing and is being sieved except subassembly (7), the one end of outlet duct (3) is being installed to the bottom of sieving except subassembly (7), the other end of outlet duct (3) stretches into the inside of shaping storehouse shell (1), the one end of installing circulating pipe (4) on sieving except subassembly (7), the other end of circulating pipe (4) is communicating installation shell (5), installation shell (5) are connected firmly with the outer wall of shaping storehouse shell (1), circulating fan (6) are being installed to the inside of installation shell (5), heater (2) relative with circulating fan (6) position are being installed to the avris of shaping storehouse shell (1), the shaping storehouse is installing the interior roof of shell (1) and is installing temperature sensor (8).
2. A thermostatically controlled molding chamber for a 3D printing device as claimed in claim 1, characterized in that: the screening component (7) comprises a screening shell (71), a communication pipe (72) is fixedly connected to the side of the screening shell (71), the communication pipe (72) and the screening shell (71) are arranged at a right angle, a first communication hole (73) is reserved in the middle of the communication pipe (72), one end of the first communication hole (73) is a moving head and is connected with the circulating pipe (4), the other end of the first communication hole (73) penetrates through the screening shell (71) to be inserted into the assembly chamber (74), the assembly chamber (74) is reserved on a central line of the screening shell (71), the assembly chamber (74) extends from the head of the screening shell (71) to the tail end, the radius of the assembly chamber (74) exceeds that of the first communication hole (73), a second communication hole (76) is arranged at the tail end of the assembly chamber (74), the second communication hole (76) is communicated with the assembly hole (727), and one end of the assembly hole (727) is communicated with a gas outlet pipe of the assembly chamber (3);
the inside of the assembling chamber (74) is connected with a screening barrel (77) in a displacement mode, the outer ring wall of the screening barrel (77) is attached to the inner wall of the assembling chamber (74), the tail end of the screening barrel (77) can be attached to the head of the middle ring (75) in a displacement mode, the screening barrel (77) is cylindrical, a hole is reserved in the tail end of the screening barrel, one end of a torsion spring II (732) is installed at the head of the screening barrel (77), the screening barrel (77) is installed inside the assembling chamber (74), the other end of the torsion spring II (732) is fixedly connected with an insertion piece (78), the insertion piece (78) is installed inside the assembling chamber (74), the insertion piece (78) is inserted into the assembling chamber (74), the head of the insertion piece (78) is fixedly connected with a shell door (79), and the tail end face of the shell door (79) can be attached to the wall face of the screening shell (71) in a displacement mode;
a second annular groove (734) is reserved on the outer ring surface of the insertion sheet (78), an insertion strip (720) is inserted into the second annular groove (734), one end of the insertion strip (720) which is inserted into the second annular groove (734) is of an arch structure, two insertion strips (720) are installed in a mirror image mode, the other end of each insertion strip (720) is connected with a separate displacement channel two (733) in a displacement mode, a pair of displacement channels two (733) is reserved on the screening shell (71) in a mirror image mode, a torsion spring first (721) is installed between each insertion strip (720) and each displacement channel two (733), the torsion spring first (721) is installed in the displacement channel two (733), and the strain force of the torsion spring first (721) exceeds the strain force of the torsion spring second (732).
3. A thermostatically controlled molding chamber for a 3D printing device as claimed in claim 2, characterized in that: the radius of the screening cylinder (77) exceeds that of the second communication hole (76), and the length from the head of the screening cylinder (77) to the head of the middle ring (75) does not exceed the length from the head of the first communication hole (73) to the head of the middle ring (75) during the period that the tail end of the screening cylinder (77) is attached to the head of the middle ring (75).
4. A thermostatically controlled molding chamber for a 3D printing device as claimed in claim 2, characterized in that: a pair of mirror-image connecting strips II (730) is arranged on the lower wall surface of the shell door (79), the pair of connecting strips II (730) and the screening shell (71) are arranged in the same direction, one end of the connecting strip II (730) is fixedly connected with the lower wall surface of the shell door (79), the middle position of the connecting strip II (730) is connected with the connecting strip (735) in a phase-shifting mode, the connecting strip (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 strip II (730) is fixedly connected with a stop sheet (731), the stop sheet (731) is connected with the displacement channel I (729) in a phase-shifting mode, the radius of the stop sheet (731) exceeds the radius of the connecting strip II (730), the stop sheet (731) can be displaced to be attached to the lower wall surface of the stop sheet (735), and the length from the lower wall surface of the stop sheet (731) exceeds the vertical length of the screening barrel (77).
5. A thermostatically controlled molding cell for a 3D printing apparatus as claimed in claim 2, characterized in that: the inner wall of the assembly chamber (74) is reserved with a ring-shaped channel I (728), and the ring-shaped channel I (728) is communicated with the communication hole I (73).
6. A thermostatically controlled molding chamber for a 3D printing device as claimed in claim 2, characterized in that: the head of the assembly hole (727) is reserved with a spatial chamber (722), the radius of the spatial chamber (722) exceeds that of the assembly hole (727), the head of the spatial chamber (722) extends to the lower wall face of the intermediate ring (75), the lower wall face of the intermediate ring (75) is fixedly connected with a plurality of first connecting strips (724), the lower wall face of the intermediate ring (75) is fixedly connected with one end of the first connecting strips (724), the first connecting strips (724) are arranged around the intermediate ring (75) at equal intervals, the middle position of the first connecting strips (724) is connected with a baffle plate (723), the other end of the first connecting strips (724) is fixedly connected with a first stop ring (725), a plurality of second torsion springs (726) are arranged between the intermediate ring (75) and the baffle plate (723), the radius of the baffle plate (723) exceeds that of the second connecting holes (76), and the second torsion springs (726) are connected with the periphery of the first connecting strips (724) and press the gas impact of the second torsion springs (724) not to exceed that of the baffle plate (726).
7. A thermostatically controlled molding chamber for a 3D printing device as claimed in claim 2, characterized in that: the temperature sensor (8) is electrically connected with the heater (2).
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| 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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| CN115970787A (en) * | 2022-12-17 | 2023-04-18 | 武汉科技大学 | Diabetes sample protector |
| CN116095997A (en) * | 2022-12-19 | 2023-05-09 | 江苏太阳鸟照明电器有限公司 | Intelligent control box for explosion-proof illumination |
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|---|---|
| CN115301954B (en) | 2023-08-22 |
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