CN220356042U - Muffle furnace with uniform heating - Google Patents
Muffle furnace with uniform heating Download PDFInfo
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- CN220356042U CN220356042U CN202321724749.1U CN202321724749U CN220356042U CN 220356042 U CN220356042 U CN 220356042U CN 202321724749 U CN202321724749 U CN 202321724749U CN 220356042 U CN220356042 U CN 220356042U
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- furnace body
- heat
- opening furnace
- upper opening
- hemispherical
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 43
- 239000000463 material Substances 0.000 abstract description 11
- 230000000694 effects Effects 0.000 abstract description 4
- 230000017525 heat dissipation Effects 0.000 description 5
- 239000003517 fume Substances 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
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- Muffle Furnaces And Rotary Kilns (AREA)
Abstract
The utility model discloses a muffle furnace with uniform heating, and relates to the technical field of heating devices. The heat-insulating furnace comprises an upper opening furnace body and a lower opening furnace body, wherein the interiors of the upper opening furnace body and the lower opening furnace body are respectively connected with a heat-insulating hemispherical shell, the outer sides of equidistant connecting convex blocks on the inner side walls of the heat-insulating hemispherical shells are connected with the outer sides of heat-conducting hemispherical inner shells, and the outer side walls of the heat-conducting hemispherical inner shells are spirally connected with heating wires; the lower end surface of the rotating shaft connected with the lower surface of the upper opening furnace body is connected with the lower surface of the coupler and the upper surface of the motor. The heat-insulating hemispherical outer shell and the heat-conducting hemispherical inner shell are arranged, so that the internal structure of the muffle furnace is simplified, the assembly of internal parts of the muffle furnace and the reduction of the later period are facilitated to be quickened, and the motor and the rotating shaft are arranged, so that the material to be heated in the heat-conducting hemispherical outer shell is in a flowing state, the contact area of heat and the material to be heated is facilitated to be increased, and the full and uniform effect of the material to be heated during heating is facilitated to be improved.
Description
Technical Field
The utility model belongs to the technical field of heating devices, and particularly relates to a muffle furnace with uniform heating.
Background
The muffle furnace is in a box-type structure, and can be further called as a box-type furnace, and is mainly used for heating materials.
Through retrieving, disclose a muffle furnace that is heated evenly in patent publication No. CN211204869U, including furnace body, heating cabinet, mounting fixture, even heat facility, heat dissipation fume extractor, buffering mobile device and qianmen, be provided with the heating cabinet in the furnace body, the heating cabinet outside is provided with the insulating layer, heating cabinet bilateral symmetry is provided with heating element and heat dissipation fume extractor, the heating cabinet top is provided with even heat facility and temperature sensor, the heating cabinet bottom is provided with mounting fixture, be provided with the qianmen on the furnace body, be provided with lock and thermovent on the qianmen, qianmen below is provided with control panel and switch, the furnace body top is provided with the top shrouding. The utility model can uniformly heat the workpiece, has a damping effect, can rapidly discharge smoke and dissipate heat, improves the working efficiency and has strong practicability.
However, the following drawbacks still exist in practical use:
1. in a muffle furnace which is uniformly heated, disclosed in patent publication No. CN211204869U, it is described that: when the heating device is used, the front door is opened, a product to be processed is placed on the clamping plate in the fixing clamp, the cushion block arranged on the clamping plate enables the bottom of the product to be heated, then the position of the sliding block in the sliding groove on the clamping plate is adjusted, the clamping block on the sliding block clamps the product, the position of the sliding block is fixed through the fixing screw, then the front door is closed, the heating assembly, the fixing clamp and the heat homogenizing device are controlled to work through the control panel, the heating assembly works to generate heat in the heating box, the temperature sensor arranged at the top end of the heating box can feed back the temperature value in the heating box in real time, the rotating motor in the fixing clamp works to drive the clamping plate and the product on the clamping plate to rotate, and meanwhile, the motor arranged at the top end of the heating box works to drive the fan blade to rotate, so that hot air in the heating box circulates, the temperature in the heating box is consistent, so that the product is heated uniformly, the processing quality and efficiency of the product are improved, and the number of parts inside the furnace body is more, and the difficulty and the time for assembling the internal parts are increased as can be seen by combining with the figure 2 of the specification;
2. in a muffle furnace which is uniformly heated, disclosed in patent publication No. CN211204869U, it is described that: the product to be processed is placed on the clamping plate in the fixing clamp, and the bottom of the product can be heated by the cushion block arranged on the clamping plate, and then the product to be heated is stacked on the clamping plate according to the attached figure 3 of the specification, so that the area of the hidden part of the product to be heated is caused to be in contact with each other, the contact area of the product to be heated and the heat is reduced, and the full and uniform effect of the product to be heated during heating is influenced.
Therefore, a muffle furnace uniformly heated disclosed in patent publication No. CN211204869U cannot meet the demands in practical use, so there is a strong need for an improved technique in the market to solve the above-mentioned problems.
Disclosure of Invention
The utility model aims to provide a muffle furnace with uniform heating, which solves the problems of complicated internal structure and insufficient heating effect of the muffle furnace with uniform heating disclosed in patent document No. CN211204869U by arranging a heat-insulating hemispherical outer shell, a heat-conducting hemispherical inner shell, a motor and a rotating shaft.
In order to solve the technical problems, the utility model is realized by the following technical scheme:
the utility model relates to a muffle furnace with uniform heating, which comprises an upper opening furnace body and a lower opening furnace body, wherein the interiors of the upper opening furnace body and the lower opening furnace body are respectively connected with a heat-insulating hemisphere outer shell, the outer side of an equidistant connecting lug on the inner side wall of the heat-insulating hemisphere outer shell is connected with the outer side of a heat-conducting hemisphere inner shell, and the outer side wall of the heat-conducting hemisphere inner shell is spirally connected with a heating wire; the lower end face of the rotating shaft connected with the lower surface of the upper opening furnace body is connected with the lower surface of the motor, heat dissipation holes are formed in the rear surfaces of the upper opening furnace body and the lower opening furnace body at equal intervals, the upper side of the connecting hinge at equal intervals on the rear surface of the upper opening furnace body is connected with the lower edge of the rear surface of the lower opening furnace body, and the connecting female buckle at equal intervals on the lower edge of the front surface of the lower opening furnace body is buckled with the connecting buckle at equal intervals on the upper edge of the front surface of the upper opening furnace body.
Further, the upper surface of the lower opening furnace body is in threaded connection with the lower ends of the left-right symmetrical threaded connection screws on the upper surface of the lifting handle.
Further, a control panel and a power switch are sequentially connected at a corner of the front surface of the upper opening furnace body from top to bottom.
Further, a valve is connected to the air outlet pipe communicated with one side wall of the upper opening furnace body, a valve is connected to the connecting pipe communicated with the other side wall of the upper opening furnace body, and an air inlet pipe is communicated with the lower surface of the fan communicated with the lower end of the connecting pipe.
Further, the lower surface of the motor is fixedly connected with the lower surface of the base and the upper surface of the bottom plate, and the upper surface of the bottom plate is fixedly connected with the lower surface of the upper opening furnace body through the annular sliding groove at equal intervals and is in sliding connection with the supporting legs.
Further, four corners of the lower surface of the bottom plate are fixedly connected with the upper surface of the square seat.
The utility model has the following beneficial effects:
1. according to the utility model, the heat-insulating hemispherical outer shell and the heat-conducting hemispherical inner shell are arranged, so that the internal structure of the muffle furnace with uniform heating is simplified, the assembly is facilitated, and the overhaul work of the muffle furnace with uniform heating in the later period is facilitated.
2. According to the utility model, the motor and the rotating shaft are arranged, so that the material to be heated in the heat conduction hemisphere inner shell flows, the surface contact of hot gas and the material to be heated, which is caused by accumulation of the material to be heated, is avoided, and the material to be heated is heated more fully and uniformly.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic perspective view of a muffle furnace with uniform heating;
FIG. 2 is a schematic perspective view of a muffle furnace with uniform heating;
fig. 3 is a schematic cross-sectional view of a muffle furnace with uniform heating.
In the drawings, the list of components represented by the various numbers is as follows:
1. a bottom plate; 11. a universal wheel; 12. an annular chute; 2. a motor; 21. a rotating shaft; 3. an upper opening furnace body; 31. a connecting pipe; 32. a blower; 33. an air inlet pipe; 34. a control panel; 35. a power switch; 36. a hinge; 37. an air outlet pipe; 38. a valve; 39. supporting feet; 4. a lower opening furnace body; 41. a handle; 42. a screw; 43. a female buckle; 44. a heat radiation hole; 45. a bump; 46. a heat insulating hemispherical shell; 47. and a heat conducting hemispherical inner shell.
Detailed Description
The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.
Referring to fig. 1 to 3, the utility model discloses a muffle furnace with uniform heating, which comprises an upper opening furnace body 3 and a lower opening furnace body 4, wherein the interiors of the upper opening furnace body 3 and the lower opening furnace body 4 are respectively connected with a heat-insulating hemisphere outer shell 46, the outer side of equidistant connecting lugs 45 on the inner side wall of the heat-insulating hemisphere outer shell 46 is connected with the outer side of a heat-conducting hemisphere inner shell 47, and the outer side wall of the heat-conducting hemisphere inner shell 47 is spirally connected with a heating wire; the lower end surface of a rotating shaft 21 connected with the lower surface of the upper opening furnace body 3 is connected with the lower surface of a coupler and the upper surface of a motor 2.
As shown in fig. 2, heat dissipation holes 44 are formed on the rear surfaces of the upper opening furnace body 3 and the lower opening furnace body 4 at equal intervals; the heat dissipation holes 44 are used for discharging heat in the upper opening furnace body 3 and the lower opening furnace body 4, so that the phenomenon that the normal operation of internal electric elements is influenced due to the fact that the temperature in the muffle furnace is too high due to uniform heating is avoided.
As shown in fig. 1 and 2, the upper side of the equidistant connecting hinge 36 on the upper edge of the rear surface of the upper opening furnace body 3 is connected with the lower edge of the rear surface of the lower opening furnace body 4;
the equidistant connecting female buckles 43 on the lower edge of the front surface of the lower opening furnace body 4 are buckled with equidistant connecting sub buckles on the upper edge of the front surface of the upper opening furnace body 3;
as shown in the figure, the upper surface of the lower opening furnace body 4 is in threaded connection with the lower end of a laterally symmetrical threaded connection screw 42 on the upper surface of the lifting handle 41; the user applies external force to the female buckle 43, the female buckle 43 and the male buckle are separated, upward external force is applied to the handle 41, the lower opening furnace body 4 moves in an arc by taking the hinge 36 as an axis, and the lower opening furnace body 4 is gradually opened; conversely, the lower opening furnace body 4 is gradually closed.
As shown in fig. 1, a control panel 34 and a power switch 35 are sequentially connected from top to bottom at a corner of the front surface of the upper opening furnace body 3; the user manipulates the control panel 34 and the power switch 35 to activate the uniformly heated muffle.
As shown in fig. 1 and 2, a valve 38 is connected to a vent pipe 37 communicated with one side wall of the upper opening furnace body 3, a valve 38 is connected to a connecting pipe 31 communicated with the other side wall of the upper opening furnace body 3, and a vent pipe 33 is communicated with the lower surface of a fan 32 communicated with the lower end of the connecting pipe 31;
the fan 32 is opened by controlling the control panel 34, the valve 38 is opened, external air enters the upper opening furnace body 3 and the lower opening furnace body 4 through the air inlet pipe 33 and the connecting pipe 31, and air in the upper opening furnace body 3 and the lower opening furnace body 4 entrains heat and is discharged from the air outlet pipe 37.
As shown in fig. 3, the lower surface of the motor 2 is fixedly connected with the lower surface of the base and the upper surface of the bottom plate 1, and the upper surface of the bottom plate 1 is fixedly connected with supporting feet 39 in sliding connection with the annular chute 12 and the lower surface of the upper opening furnace body 3 at equal intervals; the supporting leg 39 moves along the annular chute 12 and the upper opening furnace body 3 moves.
As shown in the figure, four corners of the lower surface of the bottom plate 1 are fixedly connected with the upper surface of the universal wheel 11; external force is applied to the base plate 1, the universal wheel 11 moves, the base plate 1 moves to the working position, and the brake on the universal wheel 11 is braked.
The muffle furnace with uniform heating is used as follows: the user moves the even muffle furnace of this heating to working position through universal wheel 11, and the external power supply of intercommunication opens lower opening furnace body 4, and the material that waits to heat is put into the inside heat conduction hemisphere inner shell 47 of upper opening furnace body 3, closes lower opening furnace body 4, opens motor 2 and heater strip, and the heater strip heats heat conduction hemisphere inner shell 47, and the material that waits to heat heats, and motor 2 drives pivot 21 and rotates, and upper opening furnace body 3 rotates, and heat conduction hemisphere inner shell 47 rotates, and the material that waits to heat of heat inside the heat conduction hemisphere inner shell 47 flows.
The foregoing is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, and any modification, equivalent replacement, and improvement of some of the technical features described in the foregoing embodiments are all within the scope of the present utility model.
Claims (6)
1. The utility model provides a muffle furnace of heating uniformity, includes upper shed furnace body (3) and lower shed furnace body (4), its characterized in that: the inside of the upper opening furnace body (3) and the inside of the lower opening furnace body (4) are respectively connected with a heat-insulating hemispherical shell (46), the outer sides of equidistant connecting lugs (45) on the inner side walls of the heat-insulating hemispherical shells (46) are connected with the outer sides of heat-conducting hemispherical inner shells (47), and the outer side walls of the heat-conducting hemispherical inner shells (47) are spirally connected with heating wires;
the lower end face of a rotating shaft (21) connected with the lower surface of the upper opening furnace body (3) is connected with the lower surface of a coupler, the lower surfaces of the upper opening furnace body (3) and the lower opening furnace body (4) are provided with radiating holes (44) at equal intervals, and the upper side of a connecting hinge (36) at equal intervals on the upper edge of the rear surface of the upper opening furnace body (3) is connected with the lower edge of the rear surface of the lower opening furnace body (4); the lower edge of the front surface of the lower opening furnace body (4) is connected with female buckles (43) at equal intervals and is buckled with the upper edge of the front surface of the upper opening furnace body (3) at equal intervals.
2. A uniformly heated muffle according to claim 1, wherein: the upper surface of the lower opening furnace body (4) is in threaded connection with the lower end of a left-right symmetrical threaded connection screw (42) on the upper surface of the lifting handle (41).
3. A uniformly heated muffle according to claim 1, wherein: a control panel (34) and a power switch (35) are sequentially connected to one corner of the front surface of the upper opening furnace body (3) from top to bottom.
4. A heated uniform muffle according to claim 3 and wherein: the air inlet pipe is characterized in that a valve (38) is connected to an air outlet pipe (37) communicated with one side wall of the upper opening furnace body (3), the valve (38) is connected to a connecting pipe (31) communicated with the other side wall of the upper opening furnace body (3), and an air inlet pipe (33) is communicated with the lower surface of a fan (32) communicated with the lower end of the connecting pipe (31).
5. A uniformly heated muffle according to claim 1, wherein: the lower surface of the motor (2) is fixedly connected with the lower surface of the machine seat and the upper surface of the bottom plate (1), and the upper surface of the bottom plate (1) is fixedly connected with supporting feet (39) in sliding connection with the lower surface of the upper opening furnace body (3) at equal intervals through an annular chute (12).
6. A uniformly heated muffle according to claim 5, wherein: four corners of the lower surface of the bottom plate (1) are fixedly connected with the upper surface of the square seat of the universal wheel (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321724749.1U CN220356042U (en) | 2023-07-03 | 2023-07-03 | Muffle furnace with uniform heating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321724749.1U CN220356042U (en) | 2023-07-03 | 2023-07-03 | Muffle furnace with uniform heating |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220356042U true CN220356042U (en) | 2024-01-16 |
Family
ID=89483472
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321724749.1U Active CN220356042U (en) | 2023-07-03 | 2023-07-03 | Muffle furnace with uniform heating |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220356042U (en) |
-
2023
- 2023-07-03 CN CN202321724749.1U patent/CN220356042U/en active Active
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