CN209669293U - Heat-treatment furnace suitable for increasing material manufacturing dental prosthesis - Google Patents
Heat-treatment furnace suitable for increasing material manufacturing dental prosthesis Download PDFInfo
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- CN209669293U CN209669293U CN201920040386.7U CN201920040386U CN209669293U CN 209669293 U CN209669293 U CN 209669293U CN 201920040386 U CN201920040386 U CN 201920040386U CN 209669293 U CN209669293 U CN 209669293U
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Abstract
The utility model relates to metal material increasing fields, disclose a kind of heat-treatment furnace suitable for increasing material manufacturing dental prosthesis.Cooling medium is not directly passed through atmosphere protection box by the heat-treatment furnace, but cooling line is set in atmosphere protection box, the part in atmosphere protection box is cooled down by the way that cooling medium to be passed through in cooling line, thus cooling medium need not be using protective gas such as argon gas, and it can be using media such as the better water of cooling effect or industrial refrigeration agent, and it is connected to form cooling circuit with cooling equipment, cooling medium can reuse, the operating cost of heating furnace can be reduced, the bigger rate that cools of controllable amplitude can also be obtained, be conducive to improve thermal effectiveness, to obtain the excellent dental prosthesis of comprehensive mechanical property.
Description
Technical field
The utility model relates to metal material increasing field, especially a kind of heat suitable for increasing material manufacturing dental prosthesis
Treatment furnace.
Background technique
With the fast development of high-velocity scanning and precision processing technology, oral restoration processing industry is by labor-intensive production
Gradually to intelligence manufacture industry development.And the rise of increasing material manufacturing (3D printing) technology provides for oral restoration processing industry
New power, and one upsurge is started in oral medical field, Digital manufacturing substitution traditional-handwork is manufactured as a kind of trend.
Dental prosthesis, which is generally divided into removable partial denture and fixed partial denture and fixation-, can pluck joint dummy three
Major class, bracket are the important components of removable partial denture, are infrastructure components, and design needs to meet the oral cavity of different patients
State, therefore it is very suitable to the 3D printing technique of personalized customization.Due to the functionality of bracket, generally its performance requirement is compared
Height, under the premise of guaranteeing some strength, bracket also needs to have good plasticity and toughness, and is processed at present using 3D printing
Bracket, can only guarantee not deform and intensity is higher, but plasticity and toughness there is a problem of it is larger, especially fine
Connecting portion is easily broken, it is therefore desirable to is heat-treated to the dental prosthesis of increasing material manufacturing.
According to the prior art it is found that conventional heat treatment furnace heating, cooling speed is slower, and cavity moulding is not suitable for
The substrate of increasing material manufacturing is placed, and easily causes space waste and conduction inequality even.
Application No. is 201821439295.2 patent applications to disclose a kind of heat treatment suitable for metal increasing material manufacturing
Part is placed in atmosphere protection box, atmosphere protection box is relative to furnace body by furnace by the way that atmosphere protection box is being arranged in furnace
Interior space is much smaller, is not only advantageous to more air thoroughly in delivery cassette, makes protective gas full of atmosphere protection box, and
It can substantially saving and protection gas usage；Heating mechanism can make zero by part in heating atmosphere protecting box heating box
Part is uniformly heated, and prevents that part from occurring deforming because local temperature is too high or too low or thermal effectiveness decline is asked
Topic；In heat treatment temperature-fall period, protective gas can be passed through by air inlet pipe, accelerate the cooling of part, improve the controllable width that cools down
Degree.Although helping to improve cooling efficiency by being passed through protective gas in temperature-fall period, for cooling protective gas without
Method directly recycles, and otherwise will affect the effect that atmosphere protection is formed when secondary use, and therefore, such type of cooling is for protecting
The consumption for protecting gas is still larger, and operating cost is higher；It is cooled down simultaneously using protective gas, the temperature of cooling medium is not
Convenient for control, it is unfavorable for part and reaches optimal cooling effect.
Utility model content
The technical problem to be solved by the utility model is to provide at a kind of heat suitable for increasing material manufacturing dental prosthesis
Furnace is managed, operating cost is low, cooling effect is more preferable, is conducive to improve thermal effectiveness.
Heat-treatment furnace disclosed by the utility model suitable for increasing material manufacturing dental prosthesis, including furnace body and be located at furnace body
Interior burner hearth is provided with heating mechanism in the burner hearth, and atmosphere protection box is provided in the burner hearth, and the atmosphere protection box connects
It is connected to air inlet pipe and an air outlet pipe, closed cooling line is provided in the atmosphere protection box, the cooling line is connected with cold
But medium input pipe and cooling medium efferent duct, the cooling medium input pipe and cooling medium efferent duct respectively with cooling equipment
It is connected.
Preferably, the atmosphere protection box includes substrate saddle, the box body being set on substrate saddle and is set to box
Box cover on body, the substrate saddle, box body and box cover form closed structure, and the cooling line is set to substrate saddle
It is interior.
Preferably, the cooling equipment is water cooling equipment.
Preferably, the cooling line is set as snakelike.
Preferably, the air inlet and air outlet led in atmosphere protection box, the air inlet are provided on the substrate saddle
Pipe is connected with air inlet, and the escape pipe is connected with gas outlet.
Preferably, the fixed structure for fixing forming board is provided on the substrate saddle.
Preferably, the heating mechanism is arranged along burner hearth annular.
Preferably, the furnace body is connected with the elevating mechanism for opening burner hearth.
The beneficial effects of the utility model are: cooling medium is not directly passed through atmosphere protection box by the heat-treatment furnace, and
It is that cooling line is set in atmosphere protection box, by the way that cooling medium to be passed through in cooling line to the part in atmosphere protection box
It is cooled down, thus cooling medium need not can use the better water of cooling effect or work using protective gas such as argon gas
Media such as industry refrigerant, and be connected to form cooling circuit with cooling equipment, cooling medium can reuse, can be with
Reduce the operating cost of heating furnace, moreover it is possible to the bigger rate that cools of controllable amplitude is obtained, is conducive to improve thermal effectiveness,
To obtain the excellent dental prosthesis of comprehensive mechanical property.
Detailed description of the invention
Fig. 1 is the schematic diagram of the utility model；
Fig. 2 is the schematic diagram of internal structure of substrate saddle；
Fig. 3 is that forming board places top view.
Appended drawing reference: heating mechanism 1, elevating mechanism 2, forming board 3, substrate saddle 4, escape pipe 5, man-machine control system
6, cooling medium efferent duct 7, cooling equipment 8, cooling medium input pipe 9, argon bottle 10, air inlet pipe 11, box cover 12, cooling line
13, fixed structure 14, furnace body 15, box body 16.
Specific embodiment
The present invention will be further described with reference to the accompanying drawing.
As shown in Figure 1, the heat-treatment furnace suitable for increasing material manufacturing dental prosthesis of the utility model, including 15 He of furnace body
Burner hearth in furnace body 15 is provided with heating mechanism 1 in the burner hearth, atmosphere protection box is provided in the burner hearth, described
Atmosphere protection box is connected with air inlet pipe 11 and escape pipe 5, and closed cooling line 13 is provided in the atmosphere protection box, described
Cooling line 13 is connected with cooling medium input pipe 9 and cooling medium efferent duct 7, the cooling medium input pipe 9 and cooling Jie
Matter efferent duct 7 is connected with cooling equipment 8 respectively.
The heat-treatment furnace is in use, be put into togerther atmosphere together with forming board 3 for the dental prosthesis that 3D printing goes out first
In protecting box and heat treatment process parameter is set as needed, then will be passed through protective gas in atmosphere protection box, until in box
Oxygen content reaches requirement, and oxygen content monitor can be arranged in atmosphere protection box in order to monitor oxygen content in box.Protective gas
It is preferred that the inert gases such as argon gas are used, the gas that can not also be chemically reacted using nitrogen etc. with part.As shown in Figure 1
In embodiment, air inlet pipe 11 is connected with argon bottle 10, using argon gas as protective gas.When the oxygen content in atmosphere protection box reaches
To after requirement, shield gas flow rate can be reduced, runs the heat treatment process program set, dental prosthesis adds through be suitable for
Enter cooling process after heat heat preservation.Cooling equipment 8 is by cooling medium input pipe 9 in the cooling line 13 into atmosphere protection box
Cooling medium is inputted, turns again to cooling equipment 8, shape from cooling medium efferent duct 7 after progress heat exchange in cooling medium and box
At cooling circuit.In heating, heat preservation and cooling procedure, the sustainable protection gas that small flow is passed through into atmosphere protection box
Body makes to prevent outside air from entering always in slight positive pressure state in box.When the temperature in protecting box is cooled to room temperature, open
Heating furnace and atmosphere protecting box, take out the dental prosthesis after the completion of heat treatment, and heat treatment is completed.The heat-treatment furnace can also be set
Man-machine control system 6 is set, using touch screen PID+PLC control system, heating curves Real time dynamic display, heat treatment cycle curve can
Editor prestores, and data automatically save.
The bottom in atmosphere protection box, side wall even top can be set in cooling line 13, as long as not influencing its opening and closing i.e.
Can, in embodiment as shown in Figure 1, the atmosphere protection box includes substrate saddle 4, the box body being set on substrate saddle 4 16
And it is set to the box cover 12 on box body 16, the substrate saddle 4, box body 16 and box cover 12 form closed structure, described cold
But pipeline 13 is set in substrate saddle 4.As shown in figure 3, substrate saddle 4 is mainly used for placing forming board 3, it can be in substrate
It is provided with the fixed structure 14 for fixing forming board 3 on saddle 4, and then consolidating for part is realized by fixed substrate
Fixed, fixed structure 14 can be using modes such as screw, buckle, elastic slice compressions.The size of substrate saddle 4 is usually larger than forming
Substrate 3, for example, the substrate saddle 4 is the rounded square of 350 × 350mm, can fix full-size is 250 × 250mm
SLM process forming substrate 3.Cooling line 13 is located in substrate saddle 4, not only better reliability, and cooling medium can be with
The heat exchange with dental prosthesis part is realized by substrate saddle 4 and forming board, reaches preferable cooling effect.Such as Fig. 2
Shown, in order to further increase cooling effect, the cooling line 13 is set as snakelike.
Because cooling medium is in closed cooling line 13, do not contacted directly with part, therefore, cooling medium can adopt
With can be with all kinds of gases, liquid, and wherein using water as cooling medium good cooling results and low in cost, the accordingly cooling
Equipment 8 then uses water cooling equipment.Water cooling equipment exports the cooling that water at low temperature enters from cooling medium input pipe 9 in atmosphere protection box
Pipeline 13, the high-temperature water that cooling line 13 exports then return to cooling equipment 8, reuse after cooling down.
Not only cooling line 13 may be disposed in substrate saddle 4, in embodiment as shown in Figure 1, on the substrate saddle 4
The air inlet and air outlet led in atmosphere protection box are provided with, the air inlet pipe 11 is connected with air inlet, the escape pipe 5
It is connected with gas outlet.That is, the air inlet and air outlet of atmosphere protection box can be set in substrate saddle 4, so
The arrangement for being conducive to pipeline guarantees its reliability.
When heat treatment, part is located in atmosphere protection box, and heating mechanism 1 is generally disposed at outside atmosphere protection box, passes through gas
Atmosphere protecting box indirectly heats part, can be effectively reduced because of uneven heating caused by directly heating, but into one
Step improves the heated uniformity of part, and the heating mechanism 1 is arranged along burner hearth annular, and atmosphere protection box is located in burner hearth, then plus
Heat engine structure 1 heats it around atmosphere protection box, and even heat can be passed to the dummy part on shaping substrate, real
Existing Quick uniform heating.The heating elements such as the heating wire of use, fever tablet can be used in heating mechanism 1.
In order to reinforce cooling effect, the furnace body is connected with the elevating mechanism 2 for opening burner hearth.In temperature-fall period, lead to
It crosses elevating mechanism 2 to open burner hearth, enters outside air in burner hearth, atmosphere protection box is in air, to improve cold
But efficiency.Elevating mechanism 2 can be capable of the device of stable operation at high temperature using such as lead screw lift structure.
Claims (8)
1. it is suitable for the heat-treatment furnace of increasing material manufacturing dental prosthesis, the burner hearth including furnace body (15) and in furnace body (15),
Be provided in the burner hearth heating mechanism (1), be provided with atmosphere protection box in the burner hearth, the atmosphere protection box be connected with into
Tracheae (11) and escape pipe (5), which is characterized in that it is provided in the atmosphere protection box closed cooling line (13), it is described
Cooling line (13) is connected with cooling medium input pipe (9) and cooling medium efferent duct (7), the cooling medium input pipe (9)
It is connected respectively with cooling equipment (8) with cooling medium efferent duct (7).
2. being suitable for the heat-treatment furnace of increasing material manufacturing dental prosthesis as described in claim 1, it is characterised in that: the atmosphere
Protecting box includes substrate saddle (4), the box body (16) being set on substrate saddle (4) and the box cover being set on box body (16)
(12), the substrate saddle (4), box body (16) and box cover (12) form closed structure, and the cooling line (13) is set to
In substrate saddle (4).
3. being suitable for the heat-treatment furnace of increasing material manufacturing dental prosthesis as claimed in claim 1 or 2, it is characterised in that: described
Cooling equipment (8) are water cooling equipment.
4. being suitable for the heat-treatment furnace of increasing material manufacturing dental prosthesis as claimed in claim 1 or 2, it is characterised in that: described
Cooling line (13) is set as snakelike.
5. being suitable for the heat-treatment furnace of increasing material manufacturing dental prosthesis as claimed in claim 2, it is characterised in that: the substrate
The air inlet and air outlet led in atmosphere protection box are provided on saddle (4), the air inlet pipe (11) is connected with air inlet,
The escape pipe (5) is connected with gas outlet.
6. being suitable for the heat-treatment furnace of increasing material manufacturing dental prosthesis as claimed in claim 2, it is characterised in that: the substrate
The fixed structure (14) for fixing forming board (3) is provided on saddle (4).
7. being suitable for the heat-treatment furnace of increasing material manufacturing dental prosthesis as described in claim 1, it is characterised in that: the heating
Mechanism (1) is arranged along burner hearth annular.
8. being suitable for the heat-treatment furnace of increasing material manufacturing dental prosthesis as described in claim 1, it is characterised in that: the furnace body
It is connected with the elevating mechanism (2) for opening burner hearth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920040386.7U CN209669293U (en) | 2019-01-10 | 2019-01-10 | Heat-treatment furnace suitable for increasing material manufacturing dental prosthesis |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920040386.7U CN209669293U (en) | 2019-01-10 | 2019-01-10 | Heat-treatment furnace suitable for increasing material manufacturing dental prosthesis |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209669293U true CN209669293U (en) | 2019-11-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920040386.7U Active CN209669293U (en) | 2019-01-10 | 2019-01-10 | Heat-treatment furnace suitable for increasing material manufacturing dental prosthesis |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112170850A (en) * | 2020-09-23 | 2021-01-05 | 贵州航天天马机电科技有限公司 | Rapid auxiliary selective laser melting forming part heat treatment equipment |
-
2019
- 2019-01-10 CN CN201920040386.7U patent/CN209669293U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112170850A (en) * | 2020-09-23 | 2021-01-05 | 贵州航天天马机电科技有限公司 | Rapid auxiliary selective laser melting forming part heat treatment equipment |
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