CN213147401U - Multi-layer heating furnace - Google Patents
Multi-layer heating furnace Download PDFInfo
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- CN213147401U CN213147401U CN202021771798.7U CN202021771798U CN213147401U CN 213147401 U CN213147401 U CN 213147401U CN 202021771798 U CN202021771798 U CN 202021771798U CN 213147401 U CN213147401 U CN 213147401U
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Abstract
The utility model belongs to the technical field of the thermoforming technique and specifically relates to indicate a multilayer formula heating furnace, the induction cooker comprises a cooker bod, device and the many furnace gates of opening and shutting, the both sides of furnace gate are provided with the jack respectively, the device that opens and shuts includes the support body, elevating system and the mechanism that opens and shuts, the furnace body is located the support body, the mechanism activity that opens and shuts sets up in the support body, the mechanism that opens and shuts includes two subassemblies that open and shut, the subassembly that opens and shuts includes the base, first translation mechanism, second translation mechanism and insert the post, the base activity sets up in elevating system, first translation mechanism locates the base and is used for driving second translation mechanism back-and-forth movement. The utility model discloses a first translation mechanism and the cooperation of second translation mechanism of elevating system, subassembly that opens and shuts have realized that the control is inserted the post from inside to outside and has inserted in order to realize the centre gripping to the furnace gate in the jack of furnace gate, and stability is more excellent to reliable centre gripping and the opening and shutting of furnace gate have been ensured.
Description
Technical Field
The utility model belongs to the technical field of the thermoforming technique and specifically relates to indicate a multilayer formula heating furnace.
Background
In order to improve the efficiency of the hot forming process, a multi-layer heating furnace is usually adopted for heating at present, namely, each layer of the multi-layer heating furnace is respectively used for heating a blank, and the stamping period is shorter than the heating period, so that the method can be used for fully utilizing the time.
However, since the blank is generally heated to a temperature above 930 ℃ to transform the metallographic structure from ferrite to fully austenite in the hot forming process, the thermal insulation of the blank must be better, and most importantly, the furnace door needs to be thick enough to perform the thermal insulation function, so that the furnace door of the general heating furnace is very heavy and is difficult to open in a short time by adopting a manual mode; however, if an automatic mode is adopted, the existing manipulator is opened in a mode of clamping from the outer side of the furnace door to the inner side, obviously, the mode is not stable enough, and the stable clamping and the opening and closing of the furnace door can not be ensured each time.
Disclosure of Invention
The utility model discloses problem to prior art provides a multilayer formula heating furnace, and a plurality of heating chambeies are independent work respectively, and have guaranteed that the furnace gate can be opened and shut steadily at every turn all.
In order to solve the technical problem, the utility model discloses a following technical scheme:
the utility model provides a multilayer heating furnace, including furnace body, opening and shutting device and many furnace gates, the furnace body is provided with a plurality of heating chambeies side by side, and many furnace gates and a plurality of heating chambeies one-to-one set up, and the both sides of furnace gate are provided with the jack respectively, opening and shutting device includes support body, elevating system and the mechanism that opens and shuts that is used for opening and shutting the furnace gate, the furnace body is located in the support body, the mechanism activity of opening and shutting sets up in the support body, elevating system is used for driving the mechanism that opens and shuts goes up and down, opening and shutting mechanism includes two components that open and shut, and opening and shutting component includes base, first translation mechanism, second translation mechanism and inserted column, the base activity set up in elevating system, first translation mechanism sets up in the base and is used for driving second translation mechanism to move back and forth, second translation mechanism sets up in, the second translation mechanisms of the two opening and closing assemblies are arranged opposite to each other, and the second translation mechanisms are used for driving the inserting columns to be inserted into the inserting holes of the oven door from inside to outside.
Furthermore, the first translation mechanism comprises a translation motor, a translation transmission mechanism, a first translation sliding rail and a first translation seat, the translation motor and the first translation sliding rail are both arranged on the lifting mechanism, the first translation seat is arranged on the first translation sliding rail in a sliding manner, the translation motor is connected with the first translation seat through the translation transmission mechanism in a transmission manner, and the second translation mechanism is arranged on the first translation sliding rail.
Furthermore, the translation transmission mechanism comprises a transmission gear, a transmission rack and a speed reducer, the translation motor is in transmission connection with the transmission gear through the speed reducer, the transmission rack is arranged on the first translation seat, the transmission rack is meshed with the transmission gear, and the transmission rack is arranged in parallel with the first translation sliding rail.
Furthermore, the second translation mechanism comprises a translation cylinder and a second translation seat, the translation cylinder is arranged on the first translation mechanism, the second translation seat is arranged on a piston rod of the translation cylinder, and the insertion column is arranged on the second translation seat;
the second translation mechanism further comprises at least two buffer parts, and the at least two buffer parts are arranged on the second translation seat and positioned on the periphery of the translation cylinder; the first translation mechanism is provided with at least two contact pieces, and the buffer pieces and the contact pieces are arranged in a one-to-one correspondence manner;
when the translation cylinder drives the insertion column to be inserted into the insertion hole of the furnace door, the buffer piece moves along with the second translation seat until the buffer piece is abutted against the abutting piece so as to prevent the insertion column from being inserted into the insertion hole of the furnace door too deeply.
Furthermore, the second translation mechanism further comprises pulleys, guide plates are arranged on two sides of the furnace door respectively, and the pulleys are used for abutting against the guide plates arranged on two sides of the furnace door and sliding on the guide plates.
The furnace door comprises a door body, a front plate, a heat insulation layer and a back plate, wherein the two sides of the door body are respectively provided with an insertion hole, the front plate is positioned at the back end of the door body, the heat insulation layer is arranged between the front plate and the back plate, the back plate is connected with the door body, and the front plate is provided with a plurality of compensation grooves at intervals; the back plate comprises a back main body and two connecting assemblies, the two connecting assemblies are respectively arranged at the top and the bottom of the back main body, each connecting assembly comprises a plurality of side-by-side arranged furnace door connecting plates, the furnace door connecting plates are connected with the door main body, and a compensation gap is arranged between every two adjacent furnace door connecting plates;
the front plate, the heat insulation layer and the back plate are used for covering an opening of an external heating furnace.
Furthermore, the both sides of the door body are respectively provided with a door assembly that opens and shuts that is used for with the mechanism complex that opens and shuts, and the door assembly that opens and shuts includes deflector and extension board, and the door body and extension board are connected respectively at the both ends of deflector, and the extension board is the angle setting with the deflector, and the jack sets up in the extension board.
Further, the insulation layer is made of asbestos and is provided with a plurality of compensation holes.
Furthermore, each heating cavity is respectively provided with a heating mechanism, each heating mechanism comprises an asbestos support piece, a plurality of support rods and at least two guide rods for guiding blanks, the asbestos support pieces are arranged at the bottom of the heating cavity, the plurality of support rods are all arranged on the asbestos support pieces, the guide rods are arranged at the tops of the support rods, and heating wires are arranged in the guide rods;
the supporting rod and the guide rod are made of heat-resistant materials.
Furthermore, each heating cavity is internally provided with a thermocouple for detecting and feeding back temperature, the bottom of the furnace body is provided with a protection hole, the protection hole is communicated with the heating cavities respectively, and the protection hole is communicated with an external protective gas injection device.
The utility model has the advantages that: the utility model discloses an elevating system drives the subassembly that opens and shuts and goes up and down to by the first translation mechanism and the cooperation of second translation mechanism of the subassembly that opens and shuts, realized that the control is inserted the post from inside to outside and insert in order to realize the centre gripping to the furnace gate in the jack of furnace gate, stability is more excellent, thereby has ensured reliable centre gripping and the opening and shutting to the furnace gate, has guaranteed that automatic process can go on smoothly.
Drawings
Fig. 1 is a schematic view of the present invention.
Fig. 2 is a schematic view of the opening and closing device of the present invention.
Fig. 3 is a schematic view of the opening and closing assembly of the present invention.
Fig. 4 is a schematic view of a second translation mechanism of the present invention.
Fig. 5 is a schematic view of the lifting assembly of the present invention.
Fig. 6 is a schematic view of the oven door of the present invention.
Fig. 7 is an enlarged view of fig. 7 at a.
Fig. 8 is an internal schematic view of fig. 7 in the direction B.
Fig. 9 is a schematic view of the inside of the heating chamber according to the present invention.
Fig. 10 is a schematic view of the lower support rod, the guide rod and the asbestos support member in the direction C of fig. 9.
Reference numerals: 1-furnace body, 2-opening-closing device, 3-furnace door, 4-frame body, 5-lifting mechanism, 6-opening-closing component, 11-heating cavity, 12-heating mechanism, 13-asbestos support piece, 14-supporting rod, 15-guiding rod, 16-heating wire, 17-thermocouple, 31-door body, 32-front plate, 33-heat-insulating layer, 34-back plate, 35-furnace door fixing component, 51-lifting motor, 52-lifting transmission mechanism, 61-base, 62-first translation mechanism, 63-second translation mechanism, 64-inserting column, 311-window, 312-guiding plate, 313-extending plate, 314-inserting hole, 321-compensation groove, 331-compensation hole, 341-main body, 342-furnace door connecting plate, 343-compensation gap, 351-furnace door screw, 352-furnace door nut, 621-translation motor, 622-translation transmission mechanism 623, first translation slide rail, 624-first translation seat, 625-drive gear, 626-drive rack, 627-speed reducer, 628-contact piece, 629-sensing device, 631-translation cylinder, 632-second translation seat, 633-buffer piece, 634-pulley.
Detailed Description
In order to facilitate understanding of those skilled in the art, the present invention will be further described with reference to the following examples and drawings, which are not intended to limit the present invention. The present invention will be described in detail with reference to the accompanying drawings.
As shown in fig. 1 to 10, the multi-layer heating furnace provided by the present invention comprises a furnace body 1, an opening and closing device 2 and a plurality of furnace doors 3, wherein the furnace body 1 is provided with a plurality of heating chambers 11 side by side, the plurality of furnace doors 3 are provided with the plurality of heating chambers 11 in a one-to-one correspondence manner, the opening and closing device 2 comprises a frame body 4, a lifting mechanism 5 and an opening and closing mechanism for opening and closing the furnace doors 3, the furnace body 1 is located in the frame body 4, the opening and closing mechanism is movably arranged on the frame body 4, the lifting mechanism 5 is used for driving the opening and closing mechanism to lift, the opening and closing mechanism comprises two opening and closing assemblies 6, the opening and closing assemblies 6 comprise a base 61, a first translation mechanism 62, a second translation mechanism 63 and an insertion column 64, the base 61 is movably arranged on the lifting mechanism 5, the first translation mechanism, the second translation mechanism 63 is arranged on the first translation mechanism 62, the inserting column 64 is arranged at the output end of the second translation mechanism 63, the second translation mechanisms 63 of the two opening and closing assemblies 6 are arranged opposite to each other, and the second translation mechanisms 63 are used for driving the inserting column 64 to be inserted into the jack 314 of the oven door 3 from inside to outside.
In this embodiment, the oven door 3 includes a door body 31, a front plate 32, a heat insulating layer 33 and a back plate 34, wherein two sides of the door body 31 are respectively provided with an insertion hole 314, the front plate 32 is located at the back end of the door body 31, the heat insulating layer 33 is arranged between the front plate 32 and the back plate 34, and the back plate 34 is connected with the door body 31.
That is, in use, the oven door 3 is used to cover the heating chamber 11 so that the temperature inside the heating chamber 11 is transmitted to the outside as little as possible, thereby reducing the loss of energy and avoiding excessive ambient temperature. When the oven door 3 needs to be opened, the lifting mechanism 5 drives the opening and closing mechanism to move to the oven door 3, and the two second translation mechanisms 63 drive the two insert columns 64 to move towards the direction of approaching each other until the insert columns 64 move to the other side of the extension plate 313 from the outer side of the extension plate 313 close to the second translation mechanism; then the first translation mechanism 62 drives the second translation mechanism 63 and the plug column 64 to retreat until the plug column 64 is located between the jacks 314 on the two sides, then the second translation mechanism 63 drives the plug column 64 to move so that the plug column 64 is plugged into the jack 314 on the side, and finally the first translation mechanism 62 drives the second driving mechanism and the plug column 64 to move outwards, so as to pull the oven door 3 to be opened. Because the utility model discloses a through from inside to outside "reverse" centre gripping furnace gate 3 and open, consequently do not have the clamping-force not enough and can't reliably open the defect of furnace gate 3, promoted the quality of technology.
In this embodiment, the first translation mechanism 62 includes a translation motor 621, a translation transmission mechanism 622, a first translation sliding rail 623 and a first translation base 624, the translation motor 621 and the first translation sliding rail 623 are both disposed on the lifting mechanism 5, the first translation base 624 is slidably disposed on the first translation sliding rail 623, the translation motor 621 is connected to the first translation base 624 through the translation transmission mechanism 622, and the second translation mechanism 63 is disposed on the first translation sliding rail 623. That is, the translation motor 621 drives the first translation base 624 to slide along the first translation sliding rail 623 through the translation transmission mechanism 622, so as to drive the second translation mechanism 63 disposed on the first translation base 624 to move back and forth, thereby achieving a driving effect.
Specifically, the translation transmission mechanism 622 includes a transmission gear 625, a transmission rack 626 and a speed reducer 627, the translation motor 621 is in transmission connection with the transmission gear 625 through the speed reducer 627, the transmission rack 626 is disposed on the first translation seat 624, the transmission rack 626 is engaged with the transmission gear 625, and the transmission rack 626 is disposed in parallel with the first translation slide rail 623, so that the driving precision of the second translation mechanism 63 and the plug column 64 is increased, and the plug column 64 is ensured to be opened after being stably inserted into the insertion hole 314.
In this embodiment, the second translation mechanism 63 includes a translation cylinder 631 and a second translation seat 632, the translation cylinder 631 is disposed on the first translation mechanism 62, the second translation seat 632 is disposed on the piston rod of the translation cylinder 631, and the insertion column 64 is disposed on the second translation seat 632; that is, the utility model discloses a translation cylinder 631 pulls second translation seat 632 and removes to realize removing inserting post 64 to installing on second translation seat 632 to reach the effect of inserting jack 314.
Specifically, the second translation mechanism 63 further includes at least two buffer members 633, where the at least two buffer members 633 are both disposed on the second translation seat 632 and located at the periphery of the translation cylinder 631; the first translation mechanism 62 is provided with at least two abutting pieces 628, and the buffering pieces 633 are arranged in one-to-one correspondence with the abutting pieces 628;
when the translation cylinder 631 drives the insert post 64 to be inserted into the insertion hole 314 of the oven door 3, the buffer member 633 moves along with the second translation seat 632, and the buffer member 633 mounted on the second translation seat 632 also moves along with the second translation seat 632; when the insertion column 64 is moved to be just completely inserted into the insertion hole 314, the buffer member 633 collides with the collision member 628 to prevent the insertion column 64 from being inserted too deeply into the insertion hole 314 of the oven door 3, thereby ensuring the safety of the oven door 3 and the insertion column 64. Preferably, the cushion 633 is a gas spring, i.e. has a certain stroke for buffering, so that the plug 64 is slowly inserted into the insertion hole 314, and the collision between the plug 64 and the inner wall of the insertion hole 314 is avoided.
Further, the second translation mechanism 63 further includes a pulley 634, two sides of the door body 31 are respectively provided with an opening and closing door assembly used for being matched with the opening and closing mechanism, the opening and closing door assembly includes a guide plate 312 and an extension plate 313, two ends of the guide plate 312 are respectively connected with the door body 31 and the extension plate 313, the extension plate 313 and the guide plate 312 are arranged at an angle, the insertion hole 314 is arranged on the extension plate 313, and the pulley 634 is used for abutting against the guide plates 312 arranged on two sides of the oven door 3 and sliding on the guide plate 312.
The guide plate 312 is preferably disposed at an angle to the door 31, and the extension plate 313 is disposed perpendicular to the door 31, so that the pulley 634 can slide along the guide plate 312 to drive the insertion hole 314 of the insertion post 64, thereby ensuring the positioning accuracy of the insertion hole 314. In addition, the plug 64 is preferably tapered, that is, the thinner end of the plug 64 is first inserted into the insertion hole 314, and then the plug 64 is gradually inserted into the insertion hole 314 along with the sliding, so as to avoid the wear of the inner walls of the plug 64 and the insertion hole 314.
In this embodiment, the opening and closing assembly 6 further includes a sensing device 629, the sensing device 629 is disposed on the first translation mechanism 62, and the sensing device 629 is used to detect the oven door 3 to be opened so as to drive the lifting mechanism 5 to drive the opening and closing assembly 6 to lift to the position of the oven door 3.
In this embodiment, the lifting mechanism 5 includes two lifting assemblies, each lifting assembly includes a lifting motor 51 and a lifting transmission mechanism 52, the lifting motor 51 is disposed on the frame body 4, and the lifting motor 51 is connected to the first translation mechanism 62 through the lifting transmission mechanism 52. Preferably, the lifting transmission mechanism 52 is a belt pulley transmission mechanism, and the lifting motor 51 is a servo motor, so that the lifting and transmission precision is ensured.
In the present embodiment, the front plate 32 is provided with a plurality of compensation grooves 321 at intervals; the back plate 34 comprises a back main body 341 and two connecting assemblies, the two connecting assemblies are respectively arranged at the top and the bottom of the back main body 341, each connecting assembly comprises a plurality of side-by-side oven door connecting plates 342, the oven door connecting plates 342 are both connected with the door body 31, and a compensation gap 343 is arranged between every two adjacent oven door connecting plates 342;
when the oven door connecting plate 342 is used, the back plate 34 directly faces the heating cavity 11, so that the back plate is heated most, when the back plate 34 is heated and expanded, the back plate is slightly bent under the action of stress, so that the oven door connecting plate 342 is deformed, and at the moment, because the compensation gap 343 exists, the oven door connecting plate 342 cannot be broken or deformed due to internal extrusion, and only the compensation gap 343 is extruded, so that the compensation effect is achieved; meanwhile, although there is the heat insulating layer 33, the front plate 32 still heats up after being used for a long time, and at this time, due to the existence of the compensation groove 321, the volume change of the front plate 32 can be compensated, so that the front plate 32 is prevented from being bent or broken due to expansion and self-extrusion, and the front plate 32 is protected.
Specifically, the heat insulation layer 33 is made of asbestos, so that the cost is low and the heat insulation effect is good; the thermal insulation layer 33 is provided with a plurality of compensation holes 331 for compensating for volume changes when the thermal insulation layer 33 is heated up.
In this embodiment, the utility model discloses still include a plurality of furnace gates fixed subassembly 35, furnace gate fixed subassembly 35 includes furnace gate screw 351 and furnace gate nut 352, and furnace gate screw 351 passes in proper order backplate 34 the insulating layer 33 with behind the front bezel 32 with furnace gate nut 352 spiro union, staff's dismouting front bezel 32, insulating layer 33 and backplate 34 of being convenient for maintain and change, leave sufficient clearance between front bezel 32 and the door body 31 simultaneously for the heat can not directly transmit to the door body 31, has reduced the rate of heating up of the door body 31.
Specifically, the oven door connecting plates 342 are connected with the door body 31 by spot welding, that is, each oven door connecting plate 342 is connected with the door body 31 relatively independently, so that the effect of offsetting the volume change by the compensation gap 343 can be realized.
In this embodiment, the door body 31 is provided with a plurality of windows 311 at intervals, and the top and the bottom of the door body 31 are respectively provided with a furnace connecting plate for connecting with the back plate 34. Because the door body 31 and backplate 34 are connected through the welding for can't often unpack apart two situations of observing inside front bezel 32 and insulating layer 33, consequently the utility model discloses a be provided with window 311 at the door body 31, let the staff can observe front bezel 32 and insulating layer 33 to can in time change when the nut damages, reach the effect of quick maintenance.
In this embodiment, a heating mechanism 12 is disposed in each heating cavity 11, the heating mechanism 12 includes an asbestos support member 13, a plurality of support rods 14, and at least two guide rods 15 for guiding the blank, the asbestos support member 13 is disposed at the bottom of the heating cavity 11, the plurality of support rods 14 are all mounted on the asbestos support member 13, the guide rods 15 are mounted at the top of the support rods 14, and the heating wires 16 are disposed in the guide rods 15.
When the blank is placed into the heating cavity 11, the blank is contacted with the guide rod 15 before being driven by the material fork to move forward, so that the blank slides into the heating cavity 11 along the guide rod 15, the blank is supported by the guide rod 15, then the material fork exits from the heating cavity 11, the furnace door 3 is closed, the blank is heated to a sufficient temperature (930 ℃) under the action of the heating wire 16 in the guide rod 15, and then the furnace door 3 is opened by the opening and closing device 2, and the blank fork is taken out and transferred. In this embodiment, bracing piece 14 and guide bar 15 are made by heat-resisting material, preferably adopt the pottery to make, and furnace body 1 adopts heat-resisting steel to make, makes the utility model discloses interior heat transmits to the external world with very low ground efficiency, has reduced the consumption and has guaranteed the heating effect.
Specifically, each heating cavity 11 is internally provided with a thermocouple 17 for detecting and feeding back temperature, the bottom of the furnace body 1 is provided with a protection hole (not shown in the figure), the protection hole is communicated with the plurality of heating cavities 11, and the protection hole is communicated with an external protection gas injection device. The thermocouple 17 is used for signal connection with an external computer so as to feed back the temperature in each heating cavity 11; when the temperature in a certain heating cavity 11 is too high and exceeds a warning value, the protective gas (generally nitrogen) is sprayed into the heating cavity 11 by the protective gas spraying device, so that the effects of rapid cooling and flame retardance are achieved, and the safety is protected.
The above description is only for the preferred embodiment of the present invention, and the present invention is not limited to the above description, and although the present invention is disclosed in the preferred embodiment, it is not limited to the above description, and any person skilled in the art can make some changes or modifications to equivalent embodiments without departing from the scope of the present invention, but all the technical solutions of the present invention are within the scope of the present invention.
Claims (10)
1. The utility model provides a multilayer formula heating furnace, includes the furnace body, opens and shuts device and many furnace gates, the furnace body is provided with a plurality of heating chambers side by side, and many furnace gates set up its characterized in that with a plurality of heating chamber one-to-ones: the furnace body is positioned in the frame body, the opening and closing mechanism is movably arranged on the frame body and used for driving the opening and closing mechanism to lift, the opening and closing mechanism comprises two opening and closing components, each opening and closing component comprises a base, a first translation mechanism, a second translation mechanism and an insertion column, the bases are movably arranged on the lifting mechanisms, the second translation mechanisms are arranged on the first translation mechanisms, the first translation mechanisms are arranged on the bases and used for driving the second translation mechanisms to move back and forth, the insertion columns are arranged at the output ends of the second translation mechanisms, the second translation mechanisms of the two opening and closing components are arranged right opposite to each other, and the second translation mechanisms are used for driving the insertion columns to be inserted into the insertion holes of the furnace door from inside to outside.
2. The multi-layer heating furnace according to claim 1, wherein: the first translation mechanism comprises a translation motor, a translation transmission mechanism, a first translation sliding rail and a first translation seat, the translation motor and the first translation sliding rail are both arranged on the lifting mechanism, the first translation seat is arranged on the first translation sliding rail in a sliding mode, the translation motor is connected with the first translation seat through the translation transmission mechanism in a transmission mode, and the second translation mechanism is arranged on the first translation sliding rail.
3. The multi-layer heating furnace according to claim 2, wherein: the translation transmission mechanism comprises a transmission gear, a transmission rack and a speed reducer, the translation motor is in transmission connection with the transmission gear through the speed reducer, the transmission rack is arranged on the first translation seat and meshed with the transmission gear, and the transmission rack is arranged in parallel with the first translation sliding rail.
4. The multi-layer heating furnace according to claim 1, wherein: the second translation mechanism comprises a translation cylinder and a second translation seat, the translation cylinder is arranged on the first translation mechanism, the second translation seat is arranged on a piston rod of the translation cylinder, and the insertion column is arranged on the second translation seat;
the second translation mechanism further comprises at least two buffer parts, and the at least two buffer parts are arranged on the second translation seat and positioned on the periphery of the translation cylinder; the first translation mechanism is provided with at least two contact pieces, and the buffer pieces and the contact pieces are arranged in a one-to-one correspondence manner;
when the translation cylinder drives the insertion column to be inserted into the insertion hole of the furnace door, the buffer piece moves along with the second translation seat until the buffer piece is abutted against the abutting piece so as to prevent the insertion column from being inserted into the insertion hole of the furnace door too deeply.
5. The multi-layer heating furnace according to claim 1, wherein: the second translation mechanism further comprises pulleys, guide plates are arranged on two sides of the furnace door respectively, and the pulleys are used for abutting against the guide plates arranged on two sides of the furnace door and sliding on the guide plates.
6. The multi-layer heating furnace according to claim 1, wherein: the furnace door comprises a door body, a front plate, a heat insulation layer and a back plate, wherein the two sides of the door body are respectively provided with an insertion hole, the front plate is positioned at the back end of the door body, the heat insulation layer is arranged between the front plate and the back plate, the back plate is connected with the door body, and the front plate is provided with a plurality of compensation grooves at intervals; the back plate comprises a back main body and two connecting assemblies, the two connecting assemblies are respectively arranged at the top and the bottom of the back main body, each connecting assembly comprises a plurality of side-by-side arranged furnace door connecting plates, the furnace door connecting plates are connected with the door main body, and a compensation gap is arranged between every two adjacent furnace door connecting plates;
the front plate, the heat insulation layer and the back plate are used for covering an opening of an external heating furnace.
7. The multi-layer heating furnace according to claim 6, wherein: the both sides of the door body are provided with respectively and are used for opening and shutting the door subassembly with the mechanism complex that opens and shuts, and the door subassembly that opens and shuts includes deflector and extension board, and the door body and extension board are connected respectively at the both ends of deflector, and the extension board is the angle setting with the deflector, and the jack sets up in the extension board.
8. The multi-layer heating furnace according to claim 6, wherein: the heat insulating layer is made of asbestos and is provided with a plurality of compensation holes.
9. The multi-layer heating furnace according to claim 1, wherein: each heating cavity is internally provided with a heating mechanism, the heating mechanism comprises an asbestos support piece, a plurality of support rods and at least two guide rods for guiding blanks, the asbestos support piece is arranged at the bottom of the heating cavity, the support rods are arranged on the asbestos support piece, the guide rods are arranged at the tops of the support rods, and heating wires are arranged in the guide rods;
the supporting rod and the guide rod are made of heat-resistant materials.
10. The multi-layer heating furnace according to claim 9, wherein: the furnace body is characterized in that each heating cavity is internally provided with a thermocouple for detecting and feeding back temperature, the bottom of the furnace body is provided with a protection hole, the protection holes are communicated with the heating cavities respectively, and the protection holes are communicated with an external protective gas injection device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021771798.7U CN213147401U (en) | 2020-08-21 | 2020-08-21 | Multi-layer heating furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021771798.7U CN213147401U (en) | 2020-08-21 | 2020-08-21 | Multi-layer heating furnace |
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| CN213147401U true CN213147401U (en) | 2021-05-07 |
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| CN202021771798.7U Active CN213147401U (en) | 2020-08-21 | 2020-08-21 | Multi-layer heating furnace |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111928657A (en) * | 2020-08-21 | 2020-11-13 | 江西豪斯特汽车零部件有限公司 | Multi-layer heating furnace |
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2020
- 2020-08-21 CN CN202021771798.7U patent/CN213147401U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111928657A (en) * | 2020-08-21 | 2020-11-13 | 江西豪斯特汽车零部件有限公司 | Multi-layer heating furnace |
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