CN114393831B - Heat treatment furnace for 3D printing - Google Patents
Heat treatment furnace for 3D printing Download PDFInfo
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- CN114393831B CN114393831B CN202210077824.3A CN202210077824A CN114393831B CN 114393831 B CN114393831 B CN 114393831B CN 202210077824 A CN202210077824 A CN 202210077824A CN 114393831 B CN114393831 B CN 114393831B
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- heat treatment
- bevel gear
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/30—Auxiliary operations or equipment
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y40/00—Auxiliary operations or equipment, e.g. for material handling
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y40/00—Auxiliary operations or equipment, e.g. for material handling
- B33Y40/20—Post-treatment, e.g. curing, coating or polishing
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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)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Optics & Photonics (AREA)
- Furnace Details (AREA)
Abstract
The invention provides a heat treatment furnace for 3D printing, which belongs to the technical field of heat treatment furnaces and comprises a machine body. The invention solves the problems that the cooling system and the circulating system of the existing heat treatment furnace are divided into two independent systems, so that the maintenance and use cost is higher, the heating components are fixedly arranged, and the temperature difference of each part in the furnace is larger, and the heat treatment effect is affected.
Description
Technical field:
the invention belongs to the technical field of heat treatment furnaces, and particularly relates to a heat treatment furnace for 3D printing.
The background technology is as follows:
3D printing is a rapid prototyping technology, also called additive manufacturing, which is a technology for constructing objects by using powdery metal or plastic and other bondable materials in a layer-by-layer printing mode based on digital model files.
Products after 3D printing are often required to be subjected to certain heat treatment, the heat treatment furnace is used, the cooling system and the circulating system of the existing heat treatment furnace are mainly two independent systems, the maintenance and use cost of the device is high, heating components of the device are fixedly arranged, and accordingly large differences exist among temperatures in the furnace, heat treatment effects are affected, and the heat treatment furnace for 3D printing is provided.
The invention comprises the following steps:
the invention provides a heat treatment furnace for 3D printing, which aims to solve the problems that the cooling system and the circulating system of the existing heat treatment furnace are divided into two independent systems, so that the maintenance and use costs are high, heating assemblies are fixedly arranged, the temperatures of all parts in the furnace are greatly different, and the heat treatment effect is affected.
The invention provides a heat treatment furnace for 3D printing, which comprises a machine body and is characterized in that a furnace chamber is formed in one side of the machine body, a receiving frame is fixedly connected to one side of the inner wall of the furnace chamber, a turntable is movably connected to one side of the inner wall of the furnace chamber, a plurality of support columns are uniformly arranged on one side of the turntable, a heating resistor is arranged on one side of each support column, a gear ring is arranged on the other side of the turntable, a driving gear is movably connected to the outer side of the gear ring, a transmission shaft is fixedly connected to the inner side of the driving gear, one end of the transmission shaft is provided with a transmission mechanism, the inner top wall and the inner bottom wall of the furnace chamber are both provided with a gas circulation groove, the inner bottom wall of one gas circulation groove is fixedly connected with an upper air passage, one side of the inner wall of the other gas circulation groove is provided with a lower air passage, the top of the inner wall of the other gas circulation groove is provided with a filter screen, one end of the upper air passage is provided with a circulation mechanism and a cooling mechanism, the top of the receiving frame is provided with a plurality of receiving rods, and the top of one side of the machine body is hinged with a sealing door.
Further, the transmission mechanism comprises a driven bevel gear arranged at one end of the transmission shaft, a driving bevel gear is meshed with the outer side of the driven bevel gear, a power shaft is sleeved on the inner side of the driving bevel gear, and a driving motor arranged on the inner side of the machine body is fixedly connected with the bottom end of the power shaft.
Through adopting above-mentioned scheme, the initiative bevel gear is given driven bevel gear and transmission shaft with power shaft and driving motor's power transmission, and rethread driven bevel gear and transmission shaft are given driving gear with power transmission, and driving gear drives carousel and support column rotation through driving ring gear operation, and the support column rotation makes the position of heating resistor constantly change to make heating resistor's heat more even release to the inner chamber of furnace chamber.
Further, the transmission chamber has been seted up to the inboard of organism bottom, the inner chamber of transmission chamber and the outside swing joint of initiative bevel gear, driving motor's power take off end and the bottom fixed connection of power shaft, the outside of power shaft bottom is provided with the drive tooth, the outside meshing of drive tooth has the ratchet to connect the tooth, a plurality of activity chamber has evenly been seted up to initiative bevel gear's inboard, every the inner wall in activity chamber all articulates with the one end of a ratchet to connect the tooth respectively, one side fixedly connected with hold-down spring of activity intracavity wall, the other end of hold-down spring and one side fixed connection of ratchet to connect the tooth.
Through adopting above-mentioned scheme, the torque that movable chamber, ratchet connection tooth, hold-down spring and drive tooth made power shaft department can only one-way transmission give the initiative taper gear, and then make driving motor's power can only drive driven bevel gear, the rotation of transmission shaft in a direction, and then drive ring gear, carousel and support column's operation.
Further, the circulating mechanism comprises a fan blade arranged in the inner cavity of the gas circulating groove, and the fan blade is arranged at the top end of the power shaft.
Through adopting above-mentioned scheme, through adjusting fan blade's rotation and rotation direction alright make the air current circulate and circulation direction between cavity, the pipeline including furnace chamber, gas circulation groove, upper airway and lower air flue to reduce the inner chamber everywhere temperature difference of furnace chamber.
Further, the middle part of the upper air passage is provided with a communicating pipe, and the bottom end of the communicating pipe is fixedly connected with the top of one end of the lower air passage.
Through adopting above-mentioned scheme, communicating pipe intercommunication upper airway and lower air flue, the heat loss that makes the air current in the circulation process reduces to the minimum.
Further, the middle part of the communicating pipe is provided with an air receiving pipeline.
By adopting the scheme, the gas receiving pipeline can conveniently inject the protective gas into the cavity of the furnace chamber or pump the gas out of the cavity of the furnace chamber.
Further, the bottom of communicating pipe is provided with air switch, air switch is including setting up in the closed chamber of communicating pipe bottom, the inner wall swing joint in closed chamber has the closed piston, the bottom of closed piston is provided with extrusion spring, the bottom of extrusion spring and the interior bottom fixed connection of lower air flue.
By adopting the scheme, the closing piston of the air switch automatically controls the opening and closing of the bottom channel of the communicating pipe according to the airflow flowing direction.
Further, the cooling mechanism comprises a cooling plate fixedly connected to one side of the machine body, one end of the top of the cooling plate is fixedly connected with one end of the upper air passage, one side of the bottom of the cooling plate is fixedly connected with one end of the lower air passage, and a plurality of cooling plates are arranged on the inner side of the cooling plate.
By adopting the scheme, the cooling mechanism can enable the gas in the furnace chamber to exchange heat with the outside with high efficiency, thereby achieving the purpose of quickly reducing the temperature in the furnace chamber.
Further, one end of the upper air passage, which is close to the cooling plate, is provided with an air valve, the air valve comprises a swing cavity which is arranged at one end of the upper air passage, and the inner wall of the swing cavity is hinged with a valve plate.
By adopting the scheme, the valve plate automatically controls the opening and closing of the pipeline at one end of the upper air passage, which is close to the cooling plate, under the action of gravity and the air pressure change of the air.
Compared with the prior art, the technical scheme provided by the invention has the following beneficial technical effects:
1. according to the invention, through the use of the driving gear, the transmission shaft, the gear ring and the rotary table, the supporting columns and the heating resistor can rotate around the bearing frame in the cavity of the furnace chamber, and the position of the heating resistor is continuously adjusted, so that the heat of the heating resistor is more uniformly released to the cavity of the furnace chamber, the temperature difference of products in the furnace chamber is smaller, and a better heating effect is obtained;
2. according to the invention, the heat treatment furnace is more convenient to maintain and lower in manufacturing and using cost by integrating the circulating mechanism and the cooling mechanism, and the simpler and automatic control of gas circulation and rapid cooling of gas are realized by using the fan blade, the power shaft, the air valve and the air switch, so that the structure of the heat treatment furnace is more compact and is more convenient to maintain, manufacture and use.
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.
Description of the 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 side cross-sectional view of the present invention;
FIG. 2 is a schematic view of the front cross-sectional structure of the present invention;
FIG. 3 is a schematic cross-sectional view of a drive bevel gear of the present invention;
FIG. 4 is a schematic diagram of the front structure of a cooling plate according to the present invention;
FIG. 5 is a schematic view of a part of the enlarged structure of the portion A of FIG. 1 according to the present invention;
FIG. 6 is a schematic view of a part of the enlarged structure of the portion B of FIG. 2 according to the present invention;
fig. 7 is a schematic view of a partial enlarged structure of a portion C in fig. 2 according to the present invention.
Reference numerals: 1. a body; 2. a drive gear; 3. a transmission shaft; 4. a gear ring; 5. a turntable; 6. a bearing frame; 7. a cavity; 8. a support column; 9. a gas circulation tank; 10. sealing the door; 11. a heating resistor; 12. a receiving rod; 13. a filter screen; 14. a fan blade; 15. a power shaft; 16. a driving motor; 17. an upper airway; 18. a cooling plate; 19. a communicating pipe; 20. a gas connection pipe; 21. a lower airway; 22. a drive bevel gear; 23. a movable cavity; 24. ratchet wheel connecting teeth; 25. a compression spring; 26. a heat dissipation plate; 27. a transmission cavity; 28. a driven bevel gear; 29. a drive tooth; 30. a swing chamber valve; 31. a door panel; 32. closing the cavity; 33. a closing piston; 34. the spring is pressed.
The specific embodiment is as follows:
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. 1-7, the invention provides a heat treatment furnace for 3D printing, which comprises a machine body 1 and is characterized in that one side of the machine body 1 is provided with a furnace chamber 7, one side of the inner wall of the furnace chamber 7 is fixedly connected with a supporting frame 6, one side of the inner wall of the furnace chamber 7 is movably connected with a rotary table 5, one side of the rotary table 5 is uniformly provided with a plurality of supporting columns 8, one side of each supporting column 8 is provided with a heating resistor 11, the other side of the rotary table 5 is provided with a gear ring 4, the outer side of the gear ring 4 is movably connected with a driving gear 2, the inner side of the driving gear 2 is fixedly connected with a transmission shaft 3, one end of the transmission shaft 3 is provided with a transmission mechanism, the inner top wall and the inner bottom wall of the furnace chamber 7 are both provided with a gas circulation groove 9, the inner bottom wall of one gas circulation groove 9 is fixedly connected with an upper air passage 17, one side of the inner wall of the other gas circulation groove 9 is provided with a lower air passage 21, the top of the inner wall of the other gas circulation groove 9 is provided with a filter screen 13, one end of the upper air passage 17 is provided with a circulation mechanism and a cooling mechanism, the top of the supporting frame 6 is provided with a plurality of supporting rods 12, and the top of one side of the machine body 1 is hinged with a sealing door 10;
the driving mechanism comprises a driven bevel gear 28 arranged at one end of a transmission shaft 3, a driving bevel gear 22 is meshed with the outer side of the driven bevel gear 28, a power shaft 15 is sleeved on the inner side of the driving bevel gear 22, a driving motor 16 arranged on the inner side of the machine body 1 is fixedly connected to the bottom end of the power shaft 15, the driving bevel gear 22 transmits power of the power shaft 15 and the driving motor 16 to the driven bevel gear 28 and the transmission shaft 3, the power is transmitted to a driving gear 2 through the driven bevel gear 28 and the transmission shaft 3, the driving gear 2 drives a turntable 5 and a supporting column 8 to rotate through a driving gear ring 4, the supporting column 8 rotates to enable the position of a heating resistor 11 to be changed continuously, and accordingly heat of the heating resistor 11 is released to an inner cavity of a furnace cavity 7 more uniformly;
the inner side of the bottom of the machine body 1 is provided with a transmission cavity 27, the inner cavity of the transmission cavity 27 is movably connected with the outer side of the drive bevel gear 22, the power output end of the driving motor 16 is fixedly connected with the bottom end of the power shaft 15, the outer side of the bottom of the power shaft 15 is provided with a transmission tooth 29, the outer side of the transmission tooth 29 is meshed with a ratchet wheel connecting tooth 24, the inner side of the drive bevel gear 22 is uniformly provided with a plurality of movable cavities 23, the inner wall of each movable cavity 23 is hinged with one end of one ratchet wheel connecting tooth 24 respectively, one side of the inner wall of each movable cavity 23 is fixedly connected with a compression spring 25, the other end of the compression spring 25 is fixedly connected with one side of the ratchet wheel connecting tooth 24, and the torque at the power shaft 15 can only be transmitted to the drive bevel gear 22 in one direction by the movable cavity 23, so that the power of the driving motor 16 can only drive the driven bevel gear 28 and the transmission shaft 3 in one direction, and further drive the gear ring 4, the turntable 5 and the support column 8 to operate;
the circulating mechanism comprises a fan blade 14 arranged in the inner cavity of the gas circulating groove 9, the fan blade 14 is arranged at the top end of the power shaft 15, and the air flow can circulate and circulate in the cavity and the pipeline comprising the furnace chamber 7, the gas circulating groove 9, the upper air passage 17 and the lower air passage 21 by adjusting the rotation and the rotation direction of the fan blade 14, so that the temperature difference of the inner cavity of the furnace chamber 7 is reduced;
the middle part of the upper air passage 17 is provided with a communicating pipe 19, the bottom end of the communicating pipe 19 is fixedly connected with the top of one end of the lower air passage 21, and the communicating pipe 19 is communicated with the upper air passage 17 and the lower air passage 21, so that the heat loss of the air flow in the circulation process is minimized;
the middle part of the communicating pipe 19 is provided with an air receiving pipeline 20, and the air receiving pipeline 20 can conveniently inject protective air into the inner cavity of the furnace chamber 7 or pump air out of the inner cavity of the furnace chamber 7;
the bottom end of the communicating pipe 19 is provided with an air switch, the air switch comprises a closed cavity 32 arranged at the bottom end of the communicating pipe 19, the inner wall of the closed cavity 32 is movably connected with a closed piston 33, the bottom end of the closed piston 33 is provided with an extrusion spring 34, the bottom end of the extrusion spring 34 is fixedly connected with the inner bottom wall of the lower air passage 21, and the closed piston 33 of the air switch automatically controls the opening, closing and opening of a channel at the bottom of the communicating pipe 19 according to the air flow direction;
the cooling mechanism comprises a cooling plate 18 fixedly connected to one side of the machine body 1, one end of the top of the cooling plate 18 is fixedly connected with one end of the upper air passage 17, one side of the bottom of the cooling plate 18 is fixedly connected with one end of the lower air passage 21, a plurality of cooling plates 26 are arranged on the inner side of the cooling plate 18, and the cooling mechanism can enable gas in the furnace chamber 7 to exchange heat with the outside efficiently, so that the purpose of quickly reducing the temperature in the furnace chamber 7 is achieved;
an air valve is arranged at one end of the upper air passage 17, which is close to the cooling plate 18, and comprises a swinging cavity 30 arranged at one end of the upper air passage 17, a valve plate 31 is hinged to the inner wall of the swinging cavity 30, and the valve plate 31 automatically controls the opening and closing of a pipeline at one end of the upper air passage 17, which is close to the cooling plate 18, under the action of gravity and the air pressure change of air;
the implementation mode specifically comprises the following steps: when the 3D printed product is subjected to heat treatment, the product is placed on the top of the bearing frame 6 and the upper surface of the bearing rod 12, the sealing door 10 is closed to isolate the cavity of the furnace chamber 7 from the outside, the air in the furnace chamber 7, the air circulation groove 9, the communicating pipe 19, the upper air passage 17 and the lower air passage 21 is evacuated through the air receiving pipeline 20, and then the protective air is injected into the inner cavity of the furnace chamber 7;
then the power shaft 15 is controlled to rotate towards a direction through the driving motor 16, the direction enables the transmission teeth 29 to drive the ratchet connection teeth 24 to move, the ratchet connection teeth 24 are blocked by the inner wall of the movable cavity 23 to drive the driving bevel gear 22 to rotate, the driving bevel gear 22 transmits power to the driven bevel gear 28, the driven bevel gear 28 drives the driving gear 2 to rotate through the transmission shaft 3, the driving gear 2 drives the gear ring 4 to rotate, the gear ring 4 drives the turntable 5, the support columns 8 and the heating resistor 11 to rotate, the heating resistor 11 generates heat, and the heat of the heating resistor 11 is uniformly diffused into the inner cavity of the furnace chamber 7 through rotation of the heating resistor 11;
the power shaft 15 is controlled to rotate towards one direction by the driving motor 16, the fan blades 14 are controlled to rotate by the power shaft 15, so that protective gas enters the upper air passage 17 through the gas circulation groove 9 to form gas flow, the gas pressure difference at two sides of the swinging cavity 30 and the gas flow in the upper air passage 17 and the gravity action received by the valve plate 31 keep the valve plate 31 in a vertical state, so that a channel leading to the cooling plate 18 is blocked, the upper air passage 17 can only guide the gas flow to the communicating pipe 19, the gas pressure difference at the top and the bottom of the sealing piston 33 enables the sealing piston 33 to compress and squeeze the spring 34 to move, the channel at the bottom of the communicating pipe 19 is opened, the gas flow reaches the lower air passage 21 through the communicating pipe 19, the gas flow finally returns to the inner cavity of the furnace chamber 7 through the lower air passage 21 and the gas circulation groove 9, and the gas circulation flow reduces the gas temperature difference at all parts in the inner cavity of the furnace chamber 7 in the whole circulation process is finished, and more uniform heating of products in the inner cavity of the furnace chamber 7 is facilitated;
in the cooling stage of the heat treatment of the 3D printed product, the heating resistor 11 is controlled to stop working, the power shaft 15 is controlled to rotate towards the other direction by the driving motor 16, the power shaft 15 controls the fan blade 14 to rotate towards the other direction, air in the upper air passage 17 generates air flow, the air flows to the inner cavity of the furnace chamber 7 directly through the air circulation groove 9 at the top of the furnace chamber 7, the air flow pushes the valve plate 31 to swing a certain angle, the air flow in the cooling plate 18 can enter the upper air passage 17, the air in the furnace chamber 7 also enters the inner part of the lower air passage 21 through the air circulation groove 9, the air pressure at two sides of the sealing piston 33 and the pressure of the extrusion spring 34 act, so that the sealing piston 33 is spliced with the sealing cavity 32, the communication between the bottom of the communicating pipe 19 and the lower air passage 21 is blocked, the air flow directly enters the cooling plate 18 through the lower air passage 21, the air fully exchanges heat with the external air through the heat dissipation plate 26 at the inner side of the cooling plate 18, the air in the device is enabled to be stably and rapidly reduced, and the air in the device cannot drive the turntable 5, the supporting column 8 and the heating resistor 11 at the moment, the air shaft 15 rotates.
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 heat treatment furnace for 3D printing, includes organism (1), its characterized in that, furnace chamber (7) has been seted up to one side of organism (1), one side fixedly connected with of furnace chamber (7) inner wall accepts frame (6), the inner wall swing joint of furnace chamber (7) has carousel (5), one side of carousel (5) evenly is provided with a plurality of support column (8), every one side of support column (8) all is provided with a heating resistor (11), the opposite side of carousel (5) is provided with ring gear (4), the outside swing joint of ring gear (4) has driving gear (2), the inboard fixedly connected with transmission shaft (3) of driving gear (2), the one end of transmission shaft (3) is provided with drive mechanism, the inner roof and the inner bottom wall of furnace chamber (7) all have seted up a gas circulation groove (9), one of them gas circulation groove (9) inner bottom wall fixedly connected with upper airway (17), and another one side of the inner wall of gas circulation groove (9) all is provided with down (21), and another gas circulation groove (9) inner wall (9) are provided with ring gear (4), the top is provided with connecting rod (12) and accept the air flue (12) of roof, the one end of holding mechanism (12), the top of one side of the machine body (1) is hinged with a sealing door (10);
the transmission mechanism comprises a driven bevel gear (28) arranged at one end of the transmission shaft (3), a driving bevel gear (22) is meshed with the outer side of the driven bevel gear (28), a power shaft (15) is sleeved on the inner side of the driving bevel gear (22), and a driving motor (16) arranged on the inner side of the machine body (1) is fixedly connected with the bottom end of the power shaft (15);
the circulating mechanism comprises a fan blade (14) arranged in the inner cavity of the gas circulating groove (9), and the fan blade (14) is arranged at the top end of the power shaft (15);
the cooling mechanism comprises a cooling plate (18) fixedly connected to one side of the machine body (1), one end of the top of the cooling plate (18) is fixedly connected with one end of the upper air passage (17), one side of the bottom of the cooling plate (18) is fixedly connected with one end of the lower air passage (21), and a plurality of cooling plates (26) are arranged on the inner side of the cooling plate (18).
2. The heat treatment furnace for 3D printing according to claim 1, wherein: the inside of organism (1) bottom has been seted up transmission chamber (27), the outside swing joint of the inner chamber of transmission chamber (27) and initiative bevel gear (22), the power take off end of driving motor (16) and the bottom fixed connection of power shaft (15), the outside of power shaft (15) bottom is provided with driving tooth (29), the outside meshing of driving tooth (29) has ratchet connection tooth (24), a plurality of activity chamber (23) have evenly been seted up to the inboard of initiative bevel gear (22), every the inner wall in activity chamber (23) all articulates with the one end of a ratchet connection tooth (24) respectively, one side fixedly connected with hold-down spring (25) of activity chamber (23) inner wall, the other end of hold-down spring (25) and one side fixed connection of ratchet connection tooth (24).
3. The heat treatment furnace for 3D printing according to claim 1, wherein: the middle part of the upper air passage (17) is provided with a communicating pipe (19), and the bottom end of the communicating pipe (19) is fixedly connected with the top of one end of the lower air passage (21).
4. A heat treatment furnace for 3D printing according to claim 3, wherein: the middle part of the communicating pipe (19) is provided with an air receiving pipeline (20).
5. A heat treatment furnace for 3D printing according to claim 3, wherein: the bottom of communicating pipe (19) is provided with air switch, air switch is including setting up in sealed chamber (32) of communicating pipe (19) bottom, the inner wall swing joint of sealed chamber (32) has sealed piston (33), the bottom of sealed piston (33) is provided with extrusion spring (34), the bottom of extrusion spring (34) and the interior bottom fixed connection of lower air flue (21).
6. The heat treatment furnace for 3D printing according to claim 5, wherein: the one end that goes up air flue (17) and is close to cooling plate (18) is provided with air valve, air valve is including setting up in swing chamber (30) of upper air flue (17) one end, the inner wall in swing chamber (30) articulates there is valve board (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210077824.3A CN114393831B (en) | 2022-01-24 | 2022-01-24 | Heat treatment furnace for 3D printing |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210077824.3A CN114393831B (en) | 2022-01-24 | 2022-01-24 | Heat treatment furnace for 3D printing |
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| Publication Number | Publication Date |
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| CN114393831A CN114393831A (en) | 2022-04-26 |
| CN114393831B true CN114393831B (en) | 2023-08-08 |
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| CN202210077824.3A Active CN114393831B (en) | 2022-01-24 | 2022-01-24 | Heat treatment furnace for 3D printing |
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| FR2450124A1 (en) * | 1979-03-01 | 1980-09-26 | Amiaut Jean | Electric paint spray gun - has resistance heating elements controlling temp. for paints which thicken when cold |
| CN101520248A (en) * | 2009-03-23 | 2009-09-02 | 西安航天化学动力厂 | Aeroheating furnace and method for generating heat energy |
| CN103331446A (en) * | 2013-05-20 | 2013-10-02 | 浙江郑诺复合材料有限公司 | Low-temperature hot air circulation heat treatment furnace for magnetic core and application method of heat treatment furnace |
| CN207243943U (en) * | 2017-09-15 | 2018-04-17 | 珠海市瑞丰医疗器械有限公司 | Vacuum heat treatment furnace |
| CN107655322A (en) * | 2017-10-10 | 2018-02-02 | 深圳市大成精密设备有限公司 | A kind of isolated continuous tunnel vacuum drying oven |
| CN111732959A (en) * | 2020-07-02 | 2020-10-02 | 武汉佳园环境工程有限公司 | Novel solid waste pyrolysis furnace |
| CN111678348A (en) * | 2020-07-03 | 2020-09-18 | 杭州拉段机械科技有限公司 | Device for rapidly cooling box-type furnace |
| CN111730862A (en) * | 2020-07-07 | 2020-10-02 | 厦门恰乐文具有限公司 | 3D printer cooling system with high-temperature forced cooling function |
| CN112880193A (en) * | 2021-03-03 | 2021-06-01 | 应凯伦 | Electric heating type air energy heat circulation heating furnace |
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