CN210128617U - Heating furnace with upper and lower simultaneous heating - Google Patents
Heating furnace with upper and lower simultaneous heating Download PDFInfo
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- CN210128617U CN210128617U CN201920679093.3U CN201920679093U CN210128617U CN 210128617 U CN210128617 U CN 210128617U CN 201920679093 U CN201920679093 U CN 201920679093U CN 210128617 U CN210128617 U CN 210128617U
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Abstract
The utility model provides a heating furnace with heat from top to bottom simultaneously, including the base, be fixed with the furnace body that has the mouth of getting and putting on the base, furnace body upper portion is installed and is a plurality of heating members one that the level was arranged, and the furnace body lower part is installed and is a plurality of heating members two that the level was arranged, and heating member two and heating member one be parallel to each other or heating member two and heating member one mutually perpendicular, and the furnace body middle part has the rack that is used for placing the work piece, still installs a plurality of thermocouples one on the furnace body. The utility model has the advantages of strong practicability.
Description
Technical Field
The utility model belongs to the technical field of the heating furnace, a heating furnace, especially a heating furnace with upper and lower concurrent heating is related to.
Background
The hot stamping forming technology of the ultrahigh-strength steel is one of important ways for realizing light weight of the automobile and improving the collision safety of the automobile body, and is widely applied to the automobile manufacturing industry. The hot stamping forming technology utilizes the principle of metal thermoplastic forming, can realize quenching heat treatment on a plate material while forming, improves the forming performance of the material, and greatly expands the application range of high-strength and ultrahigh-strength steel. The hot stamping production line mainly comprises: hydraulic press, heating furnace and other accessory equipment. Firstly, heating a cold blank for hot stamping in a heating furnace; after heating, the blank is placed in a press for stamping, and the stamped blank is formed into a shaped part.
The traditional industrial furnace is only provided with heating elements on the upper part, so that the upper surface and the lower surface of a thick plate (exceeding 4mm) are heated unevenly, the metallographic phase of the thick plate is inconsistent, and the comprehensive performance of the material is reduced, therefore, the design of the heating furnace with the function of heating up and down simultaneously is necessary.
Disclosure of Invention
The utility model aims at solving the problems in the prior art, providing a heating furnace with upper and lower simultaneous heating, which has the characteristics of strong practicability.
The purpose of the utility model can be realized by the following technical proposal: the utility model provides a heating furnace with simultaneous heating from top to bottom, includes the base, is fixed with on the base and has the furnace body of getting and putting the mouth, its characterized in that, a plurality of heating members one that are the level and arrange are installed on furnace body upper portion, and a plurality of heating members two that are the level and arrange are installed to the furnace body lower part, and heating member two with add that a piece is parallel to each other or add piece two and heating member one mutually perpendicular, the furnace body middle part has the rack that is used for placing the work piece, still installs a plurality of thermocouples one on the furnace body.
By adopting the structure, the heating piece I is arranged on the upper part of the furnace body, the heating piece II is arranged on the lower part of the furnace body, the heating can be simultaneously carried out on the upper part and the lower part of the furnace body, the adverse effect caused by the traditional single heating mode can be avoided, the comprehensive performance of the material is greatly improved, the material can be finally used for the thermal forming processing operation of thin plates and thick plates, and the practicability is high.
The first heating element is a heating wire.
And the heating element II is an electric heating pipe.
The electric heating pipe comprises a mounting seat, an electric heating wire, a second thermocouple and a protective pipe, the protective pipe is connected to the mounting seat, the electric heating wire is connected to the mounting seat, the heating end of the electric heating wire is located in the protective pipe, the second thermocouple is connected to the mounting seat, and the detection end of the second thermocouple is located in the protective pipe.
By adopting the structure, the second thermocouple is placed in the electric heating pipe, the protective pipe is additionally arranged outside the electric heating pipe, and the second thermocouple is matched with the first thermocouple on the furnace body, so that the temperature in the furnace body can be controlled more accurately, and the second heating element can be better protected; under the effect of protective tube, can avoid iron fillings to drop to electric heating member two from the work piece on, lead to heating member two to appear the short circuit and burn out.
The protective tube is made of silicon nitride.
By adopting the materials, the protective tube can be used under the high-temperature condition.
As another case, the protective tube is made of silicon carbide.
By adopting the materials, the protective tube can be used under the high-temperature condition.
As another case, the second heating member is a heating wire.
Still be provided with protective structure in the furnace body, and protective structure is located rack and heating member two between the two.
The protective structure comprises a protective plate, the protective plate is connected to the furnace body, a plurality of air guide grooves are formed in the protective plate, and the air guide grooves and the heating parts are distributed at intervals.
By adopting the structure, the scrap iron is prevented from falling onto the electric heating element II from the workpiece under the action of the protection plate, the heating element II is burnt out due to short circuit, and the air flow in the furnace body can normally flow through the air guide groove.
As another kind of condition, protective structure includes a plurality of guard plates, and the guard plate passes through the locating lever to be fixed on heating member two, and the guard plate can cover two upper surfaces of heating member.
The rack includes a plurality of poles of placing, places the pole and is horizontal evenly distributed.
By adopting the structure, the workpiece can be supported by the placing frame, and meanwhile, the airflow in the furnace body can normally flow.
An outer shell is further arranged outside the furnace body, and a heat insulation layer is further arranged between the furnace body and the outer shell.
By adopting the structure, unnecessary heat dissipation in the furnace body can be reduced through the heat-insulating layer.
Compared with the prior art, this heating furnace with upper and lower concurrent heating has this advantage:
the utility model discloses in arrange heating-element one and arrange heating-element two in its lower part through the upper portion at the furnace body, can make and reach its upper and lower simultaneous heating, can avoid the bad consequence that traditional single heating methods brought to make the great improvement of comprehensive properties of material, finally can be used to the thermoforming of sheet metal and thick plate and handle the operation, the practicality is strong.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a schematic perspective view of a first heating element of the present invention.
Fig. 3 is a schematic perspective view of a second heating element of the present invention.
Fig. 4 is a schematic plan view of the second heating element of the present invention.
Fig. 5 is a schematic perspective view of the protection structure of the present invention.
Fig. 6 is a schematic perspective view of another embodiment of the protective structure of the present invention.
In the figure, 1, a base; 2. a furnace body; 3. placing a rack; 4. a second heating element; 4a, a mounting seat; 4b, a second thermocouple; 4c, an electric heating wire; 4d, a protective tube; 5. a first thermocouple; 6. a first heating element; 7. a heat-insulating layer; 8. a protection plate; 8a, an air guide groove; 9. and (5) positioning the rod.
Detailed Description
The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.
As shown in fig. 1-6, the heating furnace with simultaneous heating up and down includes a base 1, a furnace body 2 with a pick-and-place opening is fixed on the base 1, in this embodiment, the furnace body 2 with the pick-and-place opening is fixed on the base 1 by means of bolt connection, of course, the furnace body 2 can be arranged in a multi-layer manner up and down according to actual requirements; a plurality of horizontally arranged heating members I6 are arranged at the upper part of the furnace body 2, and in the embodiment, the number of the heating members I6 is six; a plurality of horizontally arranged heating members II 4 are arranged at the lower part of the furnace body 2, and in the embodiment, the number of the heating members II 4 is six; the heating element two 4 and the heating element one 6 are parallel to each other or the heating element two 4 and the heating element one 6 are perpendicular to each other, in the embodiment, the heating element two 4 and the heating element one 6 are parallel to each other; the middle part of the furnace body 2 is provided with a placing frame 3 for placing workpieces, the furnace body 2 is also provided with a plurality of thermocouples 5, and in the embodiment, the number of the thermocouples 5 is three.
Adopt this structure, arrange heating member one 6 and arrange heating member two 4 in its lower part through the upper portion at furnace body 2, can make and reach its upper and lower simultaneous heating, can avoid the bad consequence that traditional single heating methods brought to make the great improvement of comprehensive properties of material, finally can be used to the thermoforming processing operation of sheet metal and thick plate, the practicality is strong.
The heating element I6 is a heating wire, and in the embodiment, the heating wire is a commercially available existing product; the heating element II 4 is an electric heating pipe; the electric heating pipe comprises a mounting seat 4a, an electric heating wire 4c, a second thermocouple 4b and a protective pipe 4d, wherein the protective pipe 4d is connected to the mounting seat 4a, the electric heating wire 4c is connected to the mounting seat 4a, the heating end of the electric heating wire 4c is positioned in the protective pipe 4d, the second thermocouple 4b is connected to the mounting seat 4a, and the detection end of the second thermocouple 4b is positioned in the protective pipe 4 d; by adopting the structure, the second thermocouple 4b is placed in the electric heating pipe, the protective pipe 4d is additionally arranged outside the electric heating pipe, and the second thermocouple 4b is matched with the first thermocouple 5 on the furnace body 2, so that the temperature in the furnace body 2 can be controlled more accurately, and the second heating element 4 can be better protected; under the effect of protective tube 4d, can avoid iron fillings from the work piece on dropping electric heating member two 4, lead to heating member two 4 to appear the short circuit and burn out.
The protective tube 4d is made of silicon nitride; by adopting the material, the protective tube 4d can be used under the high-temperature condition; of course, according to the actual situation, this scheme may also be adopted, and the protective tube 4d is made of silicon carbide; by adopting the material, the protective tube 4d can be used under the high-temperature condition; in this embodiment, the shielding pipe 4d may be made of a commercially available alloy material.
Of course, according to the actual situation, the scheme can also be adopted, and the heating element II 4 is a heating wire; a protective structure is also arranged in the furnace body 2 and is positioned between the placing frame 3 and the heating element II 4; the protective structure comprises a protective plate 8, the protective plate 8 is connected to the furnace body 2, and in the embodiment, the protective plate 8 is connected to the furnace body 2 by adopting the existing connection mode; the protection plate 8 is provided with a plurality of air guide grooves 8a, and in the embodiment, the number of the air guide grooves 8a is seven; the air guide grooves 8a are distributed at intervals with the second heating element 4; by adopting the structure, under the action of the protection plate 8, the scrap iron is prevented from falling onto the electric heating element II 4 from the workpiece, so that the heating element II 4 is short-circuited and burnt out, and the air flow in the furnace body 2 can normally flow through the air guide groove 8 a; the structure can also be adopted, the protection structure comprises a plurality of protection plates 8, in the embodiment, the number of the protection plates 8 is six, and the protection plates 8 and the heating parts two 4 are arranged in a one-to-one correspondence manner; the protection plate 8 is fixed on the heating member two 4 through the positioning rod 9, and the protection plate 8 can cover the upper surface of the heating member two 4.
The placing rack 3 comprises a plurality of placing rods, and in the embodiment, the number of the placing rods is ten; the placing rods are horizontally and evenly distributed.
By adopting the structure, the placing rack 3 can support the workpiece, and meanwhile, the airflow in the furnace body 2 can normally flow.
The outer shell is arranged outside the furnace body 2, a heat preservation layer 7 is arranged between the furnace body 2 and the outer shell, and in the embodiment, the heat preservation layer 7 is made of heat preservation cotton.
By adopting the structure, unnecessary heat dissipation in the furnace body 2 can be reduced through the heat-insulating layer 7.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Although 1, the base is used more herein; 2. a furnace body; 3. placing a rack; 4. a second heating element; 4a, a mounting seat; 4b, a second thermocouple; 4c, an electric heating wire; 4d, a protective tube; 5. a first thermocouple; 6. a first heating element; 7. a heat-insulating layer; 8. a protection plate; 8a, an air guide groove; 9. positioning rods, etc., but does not exclude the possibility of using other terms. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.
Claims (10)
1. The utility model provides a heating furnace with simultaneous heating from top to bottom, includes the base, is fixed with on the base and has the furnace body of getting and putting the mouth, its characterized in that, a plurality of heating members one that are the level and arrange are installed on furnace body upper portion, and a plurality of heating members two that are the level and arrange are installed to the furnace body lower part, and heating member two with add that a piece is parallel to each other or add piece two and heating member one mutually perpendicular, the furnace body middle part has the rack that is used for placing the work piece, still installs a plurality of thermocouples one on the furnace body.
2. The furnace according to claim 1, wherein the first heating member is a heating wire.
3. The furnace according to claim 2, wherein the second heating member is an electric heating tube.
4. The heating furnace with simultaneous up-and-down heating according to claim 3, wherein the electric heating tube comprises a mounting seat, an electric heating wire, a second thermocouple and a protective tube, the protective tube is connected to the mounting seat, the electric heating wire is connected to the mounting seat, a heating end of the electric heating wire is located in the protective tube, the second thermocouple is connected to the mounting seat, and a detection end of the second thermocouple is located in the protective tube.
5. The heating furnace with simultaneous up-and-down heating according to claim 2, wherein the second heating member is a heating wire.
6. The heating furnace with the function of heating up and down simultaneously according to claim 5, wherein a protection structure is further arranged in the furnace body and is positioned between the placing frame and the heating element II.
7. The furnace of claim 6, wherein the protective structure comprises a protective plate, the protective plate is connected to the furnace body, the protective plate has a plurality of air guide grooves, and the air guide grooves are spaced from the heating member.
8. The heating furnace according to claim 6, wherein the protective structure comprises a plurality of protective plates, the protective plates are fixed to the second heating members by positioning rods, and the protective plates can cover the upper surfaces of the second heating members.
9. The furnace of claim 1, wherein the rack comprises a plurality of placement rods, and the placement rods are horizontally and uniformly distributed.
10. The heating furnace with the function of heating up and down simultaneously according to claim 1, wherein an outer shell is further arranged outside the furnace body, and an insulating layer is further arranged between the furnace body and the outer shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920679093.3U CN210128617U (en) | 2019-05-13 | 2019-05-13 | Heating furnace with upper and lower simultaneous heating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920679093.3U CN210128617U (en) | 2019-05-13 | 2019-05-13 | Heating furnace with upper and lower simultaneous heating |
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| CN210128617U true CN210128617U (en) | 2020-03-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920679093.3U Active CN210128617U (en) | 2019-05-13 | 2019-05-13 | Heating furnace with upper and lower simultaneous heating |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110220379A (en) * | 2019-05-13 | 2019-09-10 | 浙江中硅新材料有限公司 | It is a kind of with up and down simultaneously heating heating furnace |
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2019
- 2019-05-13 CN CN201920679093.3U patent/CN210128617U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110220379A (en) * | 2019-05-13 | 2019-09-10 | 浙江中硅新材料有限公司 | It is a kind of with up and down simultaneously heating heating furnace |
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