CN220447182U - Forming device and 3D printing equipment - Google Patents
Forming device and 3D printing equipment Download PDFInfo
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- CN220447182U CN220447182U CN202322057641.8U CN202322057641U CN220447182U CN 220447182 U CN220447182 U CN 220447182U CN 202322057641 U CN202322057641 U CN 202322057641U CN 220447182 U CN220447182 U CN 220447182U
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- 238000010146 3D printing Methods 0.000 title claims abstract description 16
- 238000007639 printing Methods 0.000 claims abstract description 124
- 238000010438 heat treatment Methods 0.000 claims abstract description 75
- 239000000843 powder Substances 0.000 claims abstract description 74
- 239000000758 substrate Substances 0.000 claims abstract description 57
- 238000000465 moulding Methods 0.000 claims abstract description 39
- 238000009413 insulation Methods 0.000 claims abstract description 26
- 230000005540 biological transmission Effects 0.000 claims abstract description 4
- 230000005855 radiation Effects 0.000 claims description 10
- 238000001514 detection method Methods 0.000 claims description 9
- 238000005086 pumping Methods 0.000 claims description 2
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 239000007787 solid Substances 0.000 description 11
- 238000000034 method Methods 0.000 description 7
- 238000004891 communication Methods 0.000 description 4
- 238000007493 shaping process Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000005192 partition Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
Abstract
The application relates to the technical field of 3D printing, and aims to solve the technical problem that the workpiece forming quality of some known 3D printing equipment is poor, and a forming device and the 3D printing equipment are provided. The molding device comprises a molding cylinder, a printing substrate, a first heating piece and a second heating piece. The forming cylinder comprises a cylinder body, the cylinder body defines a forming cavity with one end open, the cylinder body comprises an inner wall and an outer wall, the inner wall and the outer wall enclose a sealed heat insulation cavity, a vacuum environment is formed in the heat insulation cavity, and the heat insulation cavity is used for isolating heat transmission between the inside of the forming cavity and the outside of the forming cylinder. The printing substrate is slidably arranged in the cylinder body. The first heating piece is located outside the forming cylinder and faces the upper surface of the printing substrate bearing printing powder and is used for heating the printing powder. The second heating piece is located in the forming cylinder and faces the lower surface of the printing substrate, which faces away from the printing powder, and the second heating piece is used for heating the printing substrate. The beneficial effects of this application are that reduce the possibility that produces deformation when the work piece prints, improve print quality.
Description
Technical Field
The application relates to the technical field of 3D printing, in particular to a forming device and 3D printing equipment.
Background
The piston in the cylinder body is adopted as a forming platform by the partial 3D printing equipment, printing powder on the piston is required to be preheated before forming, and when the stroke of the piston is large, the temperature distribution of the printing powder carried on the piston is difficult to be kept uniform, so that the formed workpiece is easy to deform.
Disclosure of Invention
The application provides forming device and 3D printing equipment to solve the relatively poor technical problem of work piece shaping quality of some known 3D printing equipment.
Embodiments of the present application are implemented as follows:
in a first aspect, the present application provides a molding apparatus including a molding cylinder, a print substrate, a first heating member, and a second heating member. The forming cylinder comprises a cylinder body, the cylinder body defines a forming cavity with one end open, the cylinder body comprises an inner wall and an outer wall, the inner wall and the outer wall are arranged at intervals, the outer wall is arranged on the periphery of the inner wall in a surrounding mode, so that a sealed heat insulation cavity is formed between the inner wall and the outer wall in a surrounding mode, a vacuum environment is formed in the heat insulation cavity, and the heat insulation cavity is used for insulating heat transmission between the inside of the forming cavity and the outside of the forming cylinder. The printing substrate is slidably arranged in the cylinder body and is used for bearing printing powder. The first heating piece is located outside the forming cylinder and faces the upper surface of the printing substrate bearing the printing powder and is used for heating the printing powder. The second heating piece is located in the forming cylinder and faces the lower surface of the printing substrate, which faces away from the printing powder, and the second heating piece is used for heating the printing substrate.
The forming device of this application is in printing the in-process, first heating element and second heating element heat simultaneously print the printing powder on base plate surface, afterwards print the powder and form the entity layer under the laser action that laser device sent, afterwards print the base plate and descend the one deck along vertical direction, spread the powder device and lay the printing powder once more on the entity layer, first heating element heats the printing powder of new laying again, this layer prints the powder and forms into another layer entity layer simultaneously, in follow-up shop powder and forming process, first heating element heats the printing powder on the surface of work piece, second heating element heats a plurality of entity layers that have been formed of base plate top, simultaneously, the heat that first heating element provided is spread towards the mid portion of work piece gradually, the heat that second heating element provided also is spread towards the mid portion of work piece gradually, and the heat of each entity layer of work piece receives the thermal-insulated effect of thermal-insulated chamber of cylinder body, thereby can not propagate to the shaping jar outside, so, can guarantee that the temperature of each entity layer is roughly the same, and form constant temperature environment, make the temperature of each entity layer in the shaping jar and printing powder keep even steady state, thereby the deformation quality of work piece has not appeared in the shaping process of work piece has improved.
In one possible embodiment:
the first heating element comprises a non-contact heater which is arranged with the forming cylinder at intervals along the vertical direction and is used for emitting heat radiation so as to heat the printing powder.
In one possible embodiment:
the number of the non-contact heaters is two, and the two non-contact heaters are arranged on two sides of the forming cylinder along the horizontal direction.
In one possible embodiment:
the forming device further comprises a first detection piece, the first detection piece is located outside the forming cylinder, located on one side of the first heating piece and faces the upper surface of the printing substrate for bearing the printing powder, and the first detection piece is used for detecting the temperature of the printing powder located at the opening.
In one possible embodiment:
the forming device also comprises a communicating pipe and a vacuum pump. One end of the communicating pipe is connected to the outer wall and communicated with the heat insulation cavity. The vacuum pump is communicated with the other end of the communicating pipe and is used for pumping air in the heat insulation cavity through the communicating pipe.
In one possible embodiment:
the forming device further comprises a heat insulating piece, the heat insulating piece is a plate body accommodated in the forming cylinder, the periphery of the heat insulating piece is attached to the inner wall, the heat insulating piece and the printing substrate are arranged at intervals, and the second heating piece is located between the heat insulating piece and the printing substrate.
In one possible embodiment:
the forming device further comprises a driving piece, wherein the driving piece is connected with the printing substrate and used for driving the printing substrate to move along the forming cavity.
In one possible embodiment:
the forming device further comprises a guide piece, one end of the guide piece is connected with the printing substrate, and the other end of the guide piece is matched with the forming cylinder in a sliding mode so as to be used for guiding the printing substrate.
In one possible embodiment:
the cylinder body further comprises a bottom wall, the bottom wall is connected to the inner wall and one end, far away from the first heating piece, of the outer wall, the bottom wall is provided with a guide hole, and the guide piece is matched with the guide hole in a sliding mode along the vertical direction.
In a second aspect, the present application provides a 3D printing apparatus comprising a print pod and a forming device as described hereinbefore. The print pod defines a print chamber. And a forming cylinder of the forming device is connected with the printing cabin.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following description will briefly describe the drawings in the embodiments, it being understood that the following drawings only illustrate some embodiments of the present application and should not be considered as limiting the scope, and that other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of a 3D printing apparatus according to an embodiment of the present application;
FIG. 2 is a schematic structural view of a molding apparatus according to an embodiment of the present disclosure;
fig. 3 is a cross-sectional view of a molding apparatus according to an embodiment of the present application.
Description of main reference numerals:
Detailed Description
The following description of the technical solutions in the embodiments of the present application will be made clearly and completely with reference to the drawings in the embodiments of the present application, and it is apparent that the described embodiments are only some embodiments of the present application, not all embodiments.
It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. When an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein in the description of the application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. The term "or/and" as used herein includes any and all combinations of one or more of the associated listed items.
Some embodiments of the present application are described in detail. The following embodiments and features of the embodiments may be combined with each other without collision.
The known partial 3D printing apparatus adopts a piston in a cylinder as a molding platform, and needs to preheat printing powder on the piston before molding, and then perform molding by irradiating laser on the surface of the printing powder. When the stroke of the piston is great, the workpiece with a higher size can be formed on the forming platform, and then after the printing powder is paved on the workpiece, the heat of the forming platform can be conducted to the printing powder through the workpiece, so that the temperature of the printing powder is increased slowly in the subsequent printing process, and the heat is spread more weakly along with the height increase of the workpiece. Meanwhile, after the top of the printing powder is irradiated by laser, the temperature of the printing powder is obviously increased, so that the temperature of the printing powder at the top of the workpiece is higher, the heating temperature of the forming platform at the bottom of the workpiece is also higher, and the heat in the middle of the workpiece is transmitted outside the cylinder body, so that the temperature of the printing powder is lower than the bottom temperature and the bottom temperature of the workpiece, the whole temperature distribution of the workpiece is uneven, deformation is easy to generate, and the forming quality of the workpiece is reduced.
In view of this, as shown in fig. 1, the embodiment of the present application provides a 3D printing apparatus, which can make the temperature distribution of the printing powder in the forming process relatively uniform, so that the formed workpiece is not easy to deform everywhere, so as to improve the printing quality of the workpiece, as will be described in the following exemplary embodiments.
Referring to fig. 1, the present embodiment provides a 3D printing apparatus 200 including a printing chamber 201, a molding device 100, a powder spreading device 202, and a laser device 203.
The print pod 201 defines a sealed print chamber 2014. The powder spreading device 202 is disposed in the printing chamber 2014, and the powder spreading device 202 is used for spreading the printing powder 302 on the forming device 100. A laser device 203 is connected to the print chamber 201 and is used to emit laser light to melt the print powder 302 and shape the workpiece or perform subtractive processing on the workpiece. In this embodiment, a plurality of laser devices 203 may be provided to simultaneously emit laser light for processing. The powder spreading device 202 may adopt a known upper powder feeding type powder spreading structure or a lower powder feeding type powder spreading structure.
Referring to fig. 1 and 2 in combination, the molding apparatus 100 includes a molding cylinder 10, a printing substrate 20, a first heating member 30, and a second heating member 40.
The forming cylinder 10 comprises a cylinder body 15, the cylinder body 15 defines a forming cavity 14 with an opening 16 at one end, the cylinder body 15 comprises an inner wall 11 and an outer wall 12, the inner wall 11 and the outer wall 12 are arranged at intervals, the outer wall 12 is arranged on the periphery of the inner wall 11 in a surrounding mode, so that a sealed heat insulation cavity 13 is formed between the inner wall 11 and the outer wall 12 in a surrounding mode, a vacuum environment is formed in the heat insulation cavity 13, and the heat insulation cavity 13 is used for insulating heat transmission between the forming cavity 14 and the outer side of the forming cylinder 10. The printing substrate 20 is slidably disposed in the cylinder 15, and the printing substrate 20 is used for carrying printing powder 302.
The first heating member 30 is located outside the forming cylinder 10 and disposed towards the upper surface of the printing powder 302 carried by the printing substrate 20, and the first heating member 30 is used for heating the printing powder 302 carried by the printing substrate 20.
The second heating element 40 is located in the forming cylinder 10 and is disposed towards the lower surface of the printing substrate 20 away from the printing powder 302, and the second heating element 40 is used for heating the printing substrate 20 to heat the printing powder 302 carried by the printing substrate 20.
In the printing process of the forming device 100 of this embodiment, the first heating element 30 and the second heating element 40 heat the printing powder 302 on the surface of the printing substrate 20 at the same time, then the printing powder 302 is formed into a solid layer 301 under the laser action of the laser device 203, then the printing substrate 20 descends by one layer along the vertical direction Y, the powder spreading device 202 spreads the printing powder 302 again on the solid layer 301, the first heating element 30 heats the newly spread printing powder 302 again, the layer of printing powder 302 is formed into another layer of solid layer 301 at the same time, in the subsequent powder spreading and forming processes, the first heating element 30 heats the printing powder 302 on the surface of the workpiece, the second heating element 40 heats the formed plurality of solid layers 301 above the printing substrate 20, meanwhile, the heat provided by the first heating element 30 gradually propagates towards the middle part of the workpiece, the heat provided by the second heating element 40 also gradually propagates towards the middle part of the workpiece, and the heat of each solid layer 301 of the workpiece is subject to the heat insulation effect of the heat insulation cavity 13 of the cylinder 15, so that the heat of each solid layer 301 does not propagate to the outside the forming cylinder 10, so that the temperature of each solid layer 301 is kept approximately the same, the temperature of each solid layer is kept constant, the forming environment of each solid layer 301 is easy, the forming temperature of each solid layer is kept constant, the solid layer is formed, the quality of the formed in the forming process is not stable, and the quality of the forming of the workpiece is stable, and the quality is not easy, and the quality problem is caused in the forming the quality of the quality is stable.
Optionally, referring to fig. 1 and 2, an end of the forming cylinder 10 provided with the opening 16 is connected to the printing chamber 201, and the forming cavity 14 is communicated with the printing chamber 2014 through the opening 16, so that the printing powder 302 carried by the printing substrate 20 is exposed in the sealed printing chamber 201, and the printing processing quality of the workpiece is ensured.
Optionally, referring to fig. 1 and 2, the forming cylinder 10 further comprises a top wall 18 and a bottom wall 17. The inner wall 11 and the outer wall 12 are arranged at intervals, the top wall 18 is connected to one ends of the inner wall 11 and the outer wall 12, the bottom wall 17 is connected to the other ends of the inner wall 11 and the outer wall 12, and the inner wall 11, the outer wall 12, the top wall 18 and the bottom wall 17 sequentially enclose a sealed heat insulation cavity 13, so that a stable vacuum environment is formed in the heat insulation cavity 13.
In other embodiments, according to the actual heat insulation requirement of the heat insulation cavity 13, the annular heat insulation cavity 13 surrounded by the inner wall 11 and the outer wall 12 may be divided into a plurality of relatively independent heat insulation subchambers by a plurality of partition parts, and each partition part may be made of heat insulation material.
Alternatively, the end of the forming cylinder 10 provided with the opening 16 is detachably connected to the print chamber 201, thereby facilitating removal of the forming cylinder 10 for removal of the work piece. In addition, the forming cylinder 10 may be hermetically connected to the print chamber 201 through a sealing ring (not shown), thereby ensuring the reliability of the sealing environment within the print chamber 2014.
Alternatively, referring to fig. 1 and 2, the print chamber 201 includes a top plate 2011 and a bottom plate 2012 disposed at intervals in the vertical direction Y, and a side plate 2013 connected between the top plate 2011 and the bottom plate 2012. The laser device 203 is provided on the top plate 2011 and outside the print chamber 201. The forming cylinder 10 is connected to a base 2012.
In the present embodiment, the first heating member 30 includes a non-contact heater 31, the non-contact heater 31 being disposed apart from the molding cylinder 10 in the vertical direction Y, the non-contact heater 31 being configured to emit heat radiation to heat the printing powder 302.
The non-contact heater 31 which is arranged at intervals along the vertical direction Y with the forming cylinder 10 can avoid interference with laser generated by the laser device 203, so that the laser device 203 can perform additive processing on the printing powder 302 or perform subtractive processing on a workpiece smoothly while heating the printing powder 302. The heat radiation may be infrared heat radiation, that is, the non-contact heater 31 may be an infrared heater, and of course, in other embodiments, the non-contact heater 31 may be a non-contact heater 31 such as an optical waveguide.
Alternatively, the non-contact heater 31 may be disposed on the top plate 2011 or the side plate 2013, and is preferably disposed on the side plate 2013 to avoid interference with the propagation path of the laser light emitted by the laser device 203.
Alternatively, the number of the noncontact heaters 31 is two, and the two noncontact heaters 31 are provided on both sides of the forming cylinder 10 in the horizontal direction X and at the opposite side plates 2013 of the forming cylinder 10. The two non-contact heaters 31 can further improve the heating efficiency.
Optionally, two infrared heaters respectively generate a first radiation area Q1 and a second radiation area Q2, the first radiation area Q1 is covered on the opening 16 of the forming cylinder 10, and the second radiation area Q2 is covered on the opening 16 of the forming cylinder 10, so that both infrared heaters can heat the printing powder 302 at the opening 16 of the forming cylinder 10, so as to ensure the heating effect on all the printing powder 302 at the opening 16.
In other embodiments, the number of the non-contact heaters 31 may be plural, and the non-contact heaters 31 are disposed on one side of the molding cylinder 10 along the horizontal direction X and around the opening 16 of the molding cylinder 10, so that the heating efficiency of the printing powder 302 can be further improved.
Optionally, referring to fig. 1 and 2, the first heating member 30 further includes a connection bracket 32, one end of the connection bracket 32 is provided at the side plate 2013, and the other end is connected to the non-contact heater 31, so that the non-contact heater 31 emits heat radiation toward the opening 16.
In this embodiment, the molding apparatus 100 further includes a first detecting member 61, where the first detecting member 61 is disposed outside the molding cylinder 10 at one side of the first heating member 30 and disposed towards the upper surface of the printing substrate 20 carrying the printing powder 302, and the first detecting member 61 is used for detecting the temperature of the printing powder 302 at the opening 16. The first detecting member 61 is capable of acquiring the temperature of the printing powder 302 on the surface of the workpiece on the printing substrate 20 and delivering the temperature to the controller, which controls the heating power of the non-contact heater 31 according to the temperature so as to keep the temperature of the printing powder 302 within a certain range to maintain the constant temperature state in the forming cylinder 10.
Alternatively, in the present embodiment, the first detecting member 61 may be configured as a thermal imager and is disposed on the top plate 2011 to realize non-contact temperature detection, which can generate a temperature detection area Q3, where the temperature detection area Q3 is covered on the opening 16 of the forming cylinder 10, so as to detect the temperature of the printing powder 302 at the opening 16.
In this embodiment, the molding apparatus 100 further includes a second detecting member 62, where the second detecting member 62 is disposed on the second heating member 40 and is used to detect the temperature of the second heating member 40 conducted to the printing substrate 20, and the controller receives the temperature detected by the second detecting member 62 to control the heating power of the second heating member 40, so as to control the temperature of the printing substrate 20 and the temperature of the surface of the printing powder 302 to be in the same range, so as to facilitate uniform temperature control in the molding cylinder 10.
Alternatively, the second detecting member 62 may be provided as a temperature sensor, which may be disposed on a side of the second heating member 40 away from the printing substrate 20, or may be disposed at another position of the forming cylinder 10, so long as the sensing end thereof is located at the second heating member 40.
Alternatively, the second heating member 40 includes a mounting plate 41 and a heating portion 42 provided in the mounting plate 41, the heating portion 42 being for generating heat and heating the mounting plate 41, the mounting plate 41 in turn conducting the heat to the printing substrate 20. The heating portion 42 may be a ceramic heating tube, a resistive heating tube, or the like.
Optionally, the forming device 100 further includes a heat insulating member 50, the heat insulating member 50 is a plate body accommodated in the forming cylinder 10, the periphery of the heat insulating member 50 is attached to the inner wall 11, the heat insulating member 50 is spaced from the printing substrate 20, and the second heating member 40 is located between the heat insulating member 50 and the printing substrate 20. The heat insulating member 50 can insulate the heat generated by the second heating member 40 to further reduce heat loss in the forming cavity 14 and ensure temperature uniformity of the workpiece in the forming cavity 14.
In the present embodiment, referring to fig. 2 and 3, the molding apparatus 100 further includes a communication pipe 81 and a vacuum pump 82. One end of the communication pipe 81 is connected to the outer wall 12 and communicates with the heat insulating chamber 13. The vacuum pump 82 communicates with the other end of the communication pipe 81 and serves to suck air in the heat insulating chamber 13 through the communication pipe 81 so that a vacuum environment is formed in the heat insulating chamber 13.
Alternatively, referring to fig. 3, at the cross section of the forming cylinder 10 along the horizontal direction X, the cross section of the inner wall 11 and the cross section of the outer wall 12 are rectangular, in other embodiments, the cross section of the inner wall 11 may be polygonal or shaped, and the cross section of the outer wall 12 may be polygonal or shaped, so long as the two are disposed at intervals and form the heat insulation cavity 13.
In this embodiment, referring to fig. 1 and 2, the molding apparatus 100 further includes a driving member 71, where the driving member 71 is connected to the printing substrate 20 and is used to drive the printing substrate 20 to move along the molding cavity 14.
When the molding apparatus 100 further includes the second heating element 40 and the heat insulating element 50, the driving element 71 is connected to the heat insulating element 50, and drives the heat insulating element 50 to move so as to drive the printing substrate 20 to move along the molding cavity 14.
The driving member may be a cylinder, an electric push rod, a screw nut mechanism, or the like.
In the present embodiment, the driving member 71 may be connected to any one of the printing substrate 20, the mounting plate 41, or the heat insulating member 50.
In this embodiment, referring to fig. 1 and 2, the molding apparatus 100 further includes a guide 72, one end of the guide 72 is connected to the printing substrate 20 or the heat insulating member 50, and the other end of the guide 72 is slidably engaged with the molding cylinder 10 for guiding the printing substrate 20.
In this embodiment, referring to fig. 1 and 2, the bottom wall 17 is provided with a guide hole 19, one end of a guide member 72 is connected to the printing substrate 20 or the heat insulating member 50, the other end is slidably fitted to the guide hole 19, and a driving member 71 is mounted to the bottom wall 17 and connected to the heat insulating member 50 or the first heating member 30. In other embodiments, the guide member 72 may be slidably engaged with the edge of the print substrate 20 and fixedly mounted on the bottom wall 17, so that the print substrate 20 can be reliably guided in the vertical direction Y.
Alternatively, referring to fig. 1 and 2, the guide 72 may be provided as a plurality of guide shafts 721 distributed in the horizontal direction X, and the driving member 71 may be provided with the guide shafts 721 at both sides in the horizontal direction X, respectively, to improve the guiding reliability of the guide 72.
The above embodiments are only for illustrating the technical solution of the present application and not for limiting, and although the present application has been described in detail with reference to the above preferred embodiments, it should be understood by those skilled in the art that the technical solution of the present application may be modified or substituted without departing from the spirit and scope of the technical solution of the present application.
Claims (10)
1. A molding apparatus, comprising:
the forming cylinder comprises a cylinder body, the cylinder body defines a forming cavity with one end open, the cylinder body comprises an inner wall and an outer wall, the inner wall and the outer wall are arranged at intervals, the outer wall is arranged on the periphery of the inner wall in a surrounding mode, so that a sealed heat insulation cavity is formed between the inner wall and the outer wall in a surrounding mode, a vacuum environment is formed in the heat insulation cavity, and the heat insulation cavity is used for insulating heat transmission between the inside of the forming cavity and the outside of the forming cylinder;
the printing substrate is slidably arranged in the cylinder body and is used for bearing printing powder;
the first heating piece is positioned outside the forming cylinder and faces the upper surface of the printing substrate for bearing the printing powder, and is used for heating the printing powder;
the second heating piece is positioned in the forming cylinder and faces the lower surface of the printing substrate, which is away from the printing powder, and the second heating piece is used for heating the printing substrate.
2. The molding apparatus of claim 1, wherein:
the first heating element comprises a non-contact heater which is arranged with the forming cylinder at intervals along the vertical direction and is used for emitting heat radiation so as to heat the printing powder.
3. The molding apparatus of claim 2, wherein:
the number of the non-contact heaters is two, and the two non-contact heaters are arranged on two sides of the forming cylinder along the horizontal direction.
4. The molding apparatus of claim 1, wherein:
the forming device further comprises a first detection piece, the first detection piece is located outside the forming cylinder, located on one side of the first heating piece and faces the upper surface of the printing substrate for bearing the printing powder, and the first detection piece is used for detecting the temperature of the printing powder located at the opening.
5. The molding apparatus of claim 1, wherein:
the molding device further includes:
one end of the communicating pipe is connected to the outer wall and communicated with the heat insulation cavity;
and the vacuum pump is communicated with the other end of the communicating pipe and is used for pumping air in the heat insulation cavity through the communicating pipe so as to form a vacuum environment in the heat insulation cavity.
6. The molding apparatus of claim 1, wherein:
the forming device further comprises a heat insulating piece, the heat insulating piece is a plate body accommodated in the forming cylinder, the periphery of the heat insulating piece is attached to the inner wall, the heat insulating piece and the printing substrate are arranged at intervals, and the second heating piece is located between the heat insulating piece and the printing substrate.
7. The molding apparatus of claim 1, wherein:
the forming device further comprises a driving piece, wherein the driving piece is connected with the printing substrate and used for driving the printing substrate to move along the forming cavity.
8. The molding apparatus of claim 1, wherein:
the forming device further comprises a guide piece, one end of the guide piece is connected with the printing substrate, and the other end of the guide piece is matched with the forming cylinder in a sliding mode so as to be used for guiding the printing substrate.
9. The molding apparatus of claim 8, wherein:
the cylinder body further comprises a bottom wall, the bottom wall is connected to the inner wall and one end, far away from the first heating piece, of the outer wall, the bottom wall is provided with a guide hole, and the guide piece is matched with the guide hole in a sliding mode along the vertical direction.
10. A 3D printing apparatus, comprising:
a print pod defining a print cavity;
the molding apparatus of any one of claims 1 to 9, a molding cylinder of the molding apparatus connecting the print cartridge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322057641.8U CN220447182U (en) | 2023-08-01 | 2023-08-01 | Forming device and 3D printing equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322057641.8U CN220447182U (en) | 2023-08-01 | 2023-08-01 | Forming device and 3D printing equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220447182U true CN220447182U (en) | 2024-02-06 |
Family
ID=89728711
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322057641.8U Active CN220447182U (en) | 2023-08-01 | 2023-08-01 | Forming device and 3D printing equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220447182U (en) |
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2023
- 2023-08-01 CN CN202322057641.8U patent/CN220447182U/en active Active
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