Heating furnace convenient for uniform heating

Abstract

The invention relates to the technical field of heating furnaces, and discloses a heating furnace convenient for uniform heating, which comprises a heating furnace body, the top of the heating furnace body is fixedly connected with an exhaust port, the bottom of the heating furnace body is fixedly connected with a base, a uniform heating mechanism is arranged in the heating furnace body, and a telescopic mechanism is arranged on the outer side of the uniform heating mechanism. And a closing mechanism is arranged on the front side of the uniform heating mechanism. According to the heating furnace convenient for uniform heating, through the arrangement of the uniform heating mechanism, a worker only needs to start a driving motor to drive a plurality of material placing discs to rotate around a six-edge rotating shaft in the heating furnace body, so that positions of materials placed on the material placing discs can be continuously switched, and all parts of the materials in the material placing discs are uniformly heated; the heating effect of materials in the material placing disc is improved, the negative influence caused by uneven heating of the materials in the heating process is reduced, and the heating effect of the heating furnace in use is improved.

Description

Technical Field

[0001] The invention relates to the technical field of heating furnaces, in particular to a heating furnace which is convenient for uniform heating. Background Art

[0002] Aluminum is a light metal, and its compounds are widely distributed in nature. The resources of aluminum in the earth's crust are about 40-50 billion tons, ranking third after oxygen and silicon. It is the largest category of metals. Aluminum has special chemical and physical properties. It is not only light in weight and strong in texture, but also has good ductility, electrical conductivity, thermal conductivity, heat resistance and nuclear radiation resistance. It is an important basic raw material for the development of the national economy. Aluminum profiles are widely used in various industries and play an extremely important role. It is particularly important for the production process of aluminum profiles. In the production of aluminum profiles, there will be factors that affect the production of aluminum strips. At present, the aluminum profile preheating device generally leaves aluminum chips on the transmission device after the preheating process is completed, and the aluminum profile preheating device is not equipped with equipment to collect aluminum chips.

[0003] According to the "A Heating Furnace (Publication Number: CN 221549311 U; Application Number: 202322651449.1)" published on the patent website, the above application optimizes the problem of "no equipment is provided for collecting the aluminum chips generated by the aluminum rod after the preheating process is completed, and the problem of how to collect the aluminum chips generated by the aluminum rod after the preheating process is completed and how to facilitate subsequent reuse is unable to be solved, resulting in a waste of resources". However, when the heating furnace in the above application heats the material, the material at different positions inside the device has different heating coefficients, the heating is uneven, and it is not convenient to use. Summary of the invention

[0004] The object of the present invention is to provide a heating furnace that facilitates uniform heating, so as to solve the problems raised in the above background technology.

[0005] In order to solve the above technical problems, the present invention provides the following technical solutions: a heating furnace that is convenient for uniform heating, comprising a heating furnace body, an exhaust port fixedly connected to the top of the heating furnace body, a base fixedly connected to the bottom of the heating furnace body, a uniform heating mechanism arranged inside the heating furnace body, a telescopic mechanism arranged outside the uniform heating mechanism, and a closing mechanism arranged on the front side of the uniform heating mechanism.

[0006] The uniform heat mechanism includes a driving assembly, a discharge assembly, a supporting assembly and a transmission assembly. The driving assembly is arranged in the heating furnace body, the discharge assembly is arranged outside the driving assembly, the supporting assembly is arranged at the rear side of the discharge assembly, and the transmission assembly is arranged in the rear side of the heating furnace body.

[0007] The telescopic mechanism comprises a telescopic component and a stabilizing component. The telescopic component is arranged in the driving component, and the stabilizing component is arranged on the outer ring of the transmission component.

[0008] The closing mechanism comprises a closing component and a positioning component. The closing component is arranged on the front side of the driving component, and the positioning component is arranged inside the front side of the furnace body of the heating furnace.

[0009] According to the above technical solution, the driving assembly includes a driving motor, which is fixedly connected to the rear side of the heating furnace body, and a hexagonal rotating shaft is fixedly connected to the front side of the driving motor, and the hexagonal rotating shaft is rotatably connected to the rear side of the heating furnace body. A transmission cover plate is arranged on the front side of the hexagonal rotating shaft, and a limiting ring is arranged on the rear side of the transmission cover plate, and the limiting ring is fixedly connected to the inner ring of the heating furnace body.

[0010] According to the above technical solution, the discharge assembly includes a convex cylinder, which is fixedly connected to the rear side of the transmission cover plate, the inner ring of the convex cylinder is rotatably connected to a rotating shaft 1, the rear side of the rotating shaft 1 is fixedly connected to a discharge tray, and the rear side of the discharge tray is fixedly connected to a rotating shaft 2.

[0011] According to the above technical solution, the support assembly includes a support sleeve, which is rotatably connected to the second outer ring of the rotating shaft, a protruding rod is fixedly connected to the outer side of the support sleeve, and a connecting ring is fixedly connected to the outer side of the protruding rod.

[0012] According to the above technical solution, the transmission assembly includes a rotating gear, which is fixedly connected to the second outer ring of the rotating shaft and is located in front of the supporting sleeve. A fixed gear is meshed on the inner side of the outer ring of the rotating gear. The fixed gear is sleeved on the outer ring of the hexagonal rotating shaft. A fixed rod is fixedly connected to the rear side of the fixed gear, and the fixed rod is fixedly connected to the rear side of the heating furnace body.

[0013] According to the above technical solution, the telescopic assembly includes a telescopic slider, which is slidably connected in the hexagonal rotating shaft, a telescopic slide rod is fixedly connected to the front side of the telescopic slider, and the telescopic slide rod is fixedly connected to the rear side of the transmission cover plate.

[0014] According to the above technical solution, the stabilizing assembly includes a connecting ring, which is rotatably connected to the outer ring of the connecting ring. The outer ring of the connecting ring is fixedly connected to a movable slider, and the movable slider is slidably connected to the inner side of the heating furnace body.

[0015] According to the above technical solution, the closing component includes a connecting swivel, which is rotatably connected to the front side of the transmission cover plate, the front side of the connecting swivel is fixedly connected to a closing cover, the front side of the closing cover is fixedly connected to a grip rod, the bottom of the front side of the closing cover is fixedly connected to an inlay plate, the inlay plate is clamped in the front side of the heating furnace body, a positioning screw is sleeved on the outer side of the inlay plate, the positioning screw is fixedly connected to the front side of the heating furnace body, the outer ring of the positioning screw is threadedly connected to a nut, and the rear side of the nut is in contact with the front side of the inlay plate.

[0016] According to the above technical solution, the positioning assembly includes an arc-shaped slide plate, which is slidably connected to the front side of the heating furnace body, the rear side of the arc-shaped slide plate is in contact with the front side of the panel, and the front side of the arc-shaped slide plate is fixedly connected to a lever, which is slidably connected to the front side of the heating furnace body.

[0017] Compared with the prior art, the present invention provides a heating furnace that facilitates uniform heating and has the following beneficial effects: 1. The heating furnace is easy to be heated evenly. Through the uniform heating mechanism, the staff only needs to start the driving motor to drive the plurality of discharge trays to rotate around the hexagonal shaft in the furnace body of the heating furnace, so that the positions of the materials placed on the discharge trays can be continuously changed to keep the heating of the various parts of the materials in the discharge trays uniform, thereby improving the heating effect of the materials in the discharge trays, reducing the negative impact of the materials being heated unevenly during the heating process, and improving the heating effect of the heating furnace when in use; The rotating gear is meshed with the fixed gear, so that the discharge tray can keep its position in a horizontal state when rotating around the hexagonal rotating shaft, thereby increasing the stability of the device when in use.

[0018] 2. The heating furnace which is convenient for uniform heating has a telescopic mechanism, and the telescopic slider is slidably connected to the hexagonal shaft and connected to the transmission cover plate through the telescopic slide rod, so that the staff can limit the transmission cover plate when pulling the grip rod forward to pull the discharge tray forward, so that it will not be completely separated from the connection with the hexagonal shaft. At the same time, the connecting ring is rotatably connected to the outer ring of the connecting ring, and the rear side of the discharge tray is supported and limited by moving the slider to be slidably connected to the furnace body of the heating furnace, which further increases the stability of the discharge tray when the device is used, so that the discharge tray will not shake due to the forward and backward movement, thereby increasing the stability of the structure.

[0019] 3. The heating furnace that is convenient for uniform heating has a closing mechanism. When the closing cover is closed backward, the staff only needs to hold the gripping rod to rotate the panels on the left and right sides to align with the notches at the bottom of the front side of the heating furnace body. After the panels are sleeved on the outer ring of the positioning screw, the staff only needs to push the lever downward to drive the arc-shaped slide plate to clamp downward on the front side of the panels, so that the staff can quickly complete the limiting of the closing cover. The operation is simple and convenient for the staff to use. After that, the staff only needs to rotate the nut to complete the fixation between the panel and the positioning screw, so that the staff can quickly complete the closing or opening and closing of the closing cover. The operation is simple and convenient for the staff to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings: Figure 1 It is a front schematic diagram of the present invention; Figure 2 It is a schematic diagram of the opening and closing state of the present invention; Figure 3 is a side sectional view of the present invention; Figure 4 It is a partial structural schematic diagram of the present invention; Figure 5 It is an exploded view of a part of the structure of the present invention; Figure 6 This is an exploded diagram of the partial structure of the heat uniforming mechanism; Figure 7 It is a schematic diagram of the partial structure of the closed component; Figure 8 It is a sectional view of the partial structure of the closing mechanism.

[0021] In the figure: 1. uniform heating mechanism; 11. driving assembly; 1101. driving motor; 1102. hexagonal shaft; 1103. transmission cover plate; 1104. limiting ring; 12. material discharge assembly; 1201. convex cylinder; 1202. shaft 1; 1203. material discharge tray; 1204. shaft 2; 13. supporting assembly; 1301. supporting sleeve; 1302. convex rod; 1303. connecting ring; 14. transmission assembly; 1401. rotating gear; 1402. fixed gear; 1403. fixed rod; 2. Telescopic mechanism; 21. Telescopic assembly; 2101. Telescopic slider; 2102. Telescopic slide rod; 22. Stabilizing assembly; 2201. Connecting ring; 2202. Moving slider; 3. Closing mechanism; 31. Closing assembly; 3101. Connecting swivel; 3102. Closing cover; 3103. Grip rod; 3104. Panel; 3105. Positioning screw; 3106. Nut; 32. Positioning assembly; 3201. Arc slide; 3202. Push rod; 4. Heating furnace body; 41. Exhaust port; 5. Base. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0023] The present invention provides a technical solution: Embodiment 1

[0024] Combination Figures 1 to 8 A heating furnace for uniform heating includes a heating furnace body 4, an exhaust port 41 is fixedly connected to the top of the heating furnace body 4, a base 5 is fixedly connected to the bottom of the heating furnace body 4, a uniform heating mechanism 1 is arranged inside the heating furnace body 4, a telescopic mechanism 2 is arranged outside the uniform heating mechanism 1, and a closing mechanism 3 is arranged on the front side of the uniform heating mechanism 1.

[0025] The uniform heating mechanism 1 includes a driving assembly 11, a discharge assembly 12, a support assembly 13 and a transmission assembly 14. The driving assembly 11 is arranged in the heating furnace body 4, the discharge assembly 12 is arranged on the outside of the driving assembly 11, the support assembly 13 is arranged on the rear side of the discharge assembly 12, and the transmission assembly 14 is arranged on the rear side of the heating furnace body 4.

[0026] The driving assembly 11 includes a driving motor 1101, which is fixedly connected to the rear side of the heating furnace body 4, a hexagonal rotating shaft 1102 is fixedly connected to the front side of the driving motor 1101, and the hexagonal rotating shaft 1102 is rotatably connected to the rear side of the heating furnace body 4. A transmission cover plate 1103 is arranged on the front side of the hexagonal rotating shaft 1102, and a limit ring 1104 is arranged on the rear side of the transmission cover plate 1103, and the limit ring 1104 is fixedly connected to the inner ring of the heating furnace body 4. The discharge assembly 12 includes a convex cylinder 1201, which is fixedly connected to the rear side of the transmission cover plate 1103, and the inner ring of the convex cylinder 1201 is rotatably connected to the rotating shaft 1202, and the rear side of the rotating shaft 1202 is fixedly connected to the discharge tray 1203, and the rear side of the discharge tray 1203 is fixedly connected. It is fixedly connected with the second rotating shaft 1204, the supporting assembly 13 includes a supporting sleeve 1301, the supporting sleeve 1301 is rotatably connected to the outer ring of the second rotating shaft 1204, the outer side of the supporting sleeve 1301 is fixedly connected with a protruding rod 1302, the outer side of the protruding rod 1302 is fixedly connected with a connecting ring 1303, the transmission assembly 14 includes a rotating gear 1401, the rotating gear 1401 is fixedly connected to the outer ring of the second rotating shaft 1204 and is located in the front side of the supporting sleeve 1301, the inner side of the outer ring of the rotating gear 1401 is meshed with a fixed gear 1402, the fixed gear 1402 is sleeved on the outer ring of the hexagonal rotating shaft 1102, the rear side of the fixed gear 1402 is fixedly connected with a fixed rod 1403, and the fixed rod 1403 is fixedly connected to the inner rear side of the heating furnace body 4.

[0027] Furthermore: the staff only needs to start the driving motor 1101 to drive the multiple discharge trays 1203 to rotate around the hexagonal rotating shaft 1102 in the heating furnace body 4, so that the positions of the materials placed on the discharge trays 1203 can be continuously changed to keep the uniform heating of all parts of the materials in the discharge trays 1203, thereby improving the heating effect of the materials in the discharge trays 1203, reducing the negative impact of uneven heating of the materials during the heating process, and improving the heating effect of the heating furnace when in use. The rotating gear 1401 engages with the fixed fixed gear 1402, so that the discharge tray 1203 can maintain its own position in a horizontal state when rotating around the hexagonal rotating shaft 1102, thereby increasing the stability of the device when in use. Embodiment 2

[0028] See also Figure 3 , Figure 4 , Figure 5 , Figure 6 and Figure 7 On the basis of the first embodiment, it is further obtained that the telescopic mechanism 2 includes a telescopic component 21 and a stabilizing component 22 , the telescopic component 21 is arranged in the driving component 11 , and the stabilizing component 22 is arranged on the outer ring of the transmission component 14 .

[0029] The telescopic component 21 includes a telescopic slider 2101, which is slidably connected to the hexagonal rotating shaft 1102. The front side of the telescopic slider 2101 is fixedly connected to a telescopic slide rod 2102, and the telescopic slide rod 2102 is fixedly connected to the rear side of the transmission cover plate 1103. The stabilizing component 22 includes a connecting ring 2201, which is rotatably connected to the outer ring of the connecting ring 1303. The outer ring of the connecting ring 2201 is fixedly connected to a movable slider 2202, and the movable slider 2202 is slidably connected to the inner side of the heating furnace body 4.

[0030] Furthermore: the telescopic slider 2101 is slidably connected to the hexagonal rotating shaft 1102 and is connected to the transmission cover 1103 through the telescopic slider 2102, so that the staff can limit the transmission cover 1103 when pulling the grip rod 3103 forward to pull the discharge tray 1203 forward, so that it will not be completely separated from the connection with the hexagonal rotating shaft 1102, and at the same time, the connecting ring 2201 is rotatably connected to the outer ring of the connecting ring 1303, and the rear side position of the discharge tray 1203 is supported and limited by moving the slider 2202 to slide in the heating furnace body 4, which further increases the stability of the discharge tray 1203 when the device is used, so that the discharge tray 1203 will not shake due to the forward and backward movement, thereby increasing the stability of the structure. Embodiment 3

[0031] See also Figure 1 , Figure 2 , Figure 3 , Figure 7 and Figure 8 On the basis of the first and second embodiments, it is further obtained that the closing mechanism 3 includes a closing component 31 and a positioning component 32, the closing component 31 is arranged on the front side of the driving component 11, and the positioning component 32 is arranged in the front side of the heating furnace body 4.

[0032] The closing assembly 31 includes a connecting swivel 3101, which is rotatably connected to the front side of the transmission cover plate 1103, a closing cover 3102 is fixedly connected to the front side of the connecting swivel 3101, a gripping rod 3103 is fixedly connected to the front side of the closing cover 3102, a panel 3104 is fixedly connected to the bottom of the front side of the closing cover 3102, the panel 3104 is clamped in the front side of the heating furnace body 4, a positioning screw 3105 is sleeved on the outer side of the panel 3104, and the positioning screw 3105 is fixedly connected to the front side of the heating furnace body 4. Connected to the front side of the heating furnace body 4, the outer ring of the positioning screw 3105 is threadedly connected with a nut 3106, and the rear side of the nut 3106 is fitted with the front side of the insert plate 3104. The positioning component 32 includes an arc-shaped slide plate 3201, and the arc-shaped slide plate 3201 is slidably connected to the front side of the heating furnace body 4, and the rear side of the arc-shaped slide plate 3201 is fitted with the front side of the insert plate 3104. The front side of the arc-shaped slide plate 3201 is fixedly connected with a lever 3202, and the lever 3202 is slidably connected to the front side of the heating furnace body 4.

[0033] Furthermore: when the closing cover 3102 is closed backwards, the staff only needs to hold the grip 3103 and rotate the left and right panels 3104 to align with the grooves at the bottom of the front side of the heating furnace body 4. After the panel 3104 is sleeved on the outer ring of the positioning screw 3105, the staff only needs to push the lever 3202 downward to drive the arc-shaped slide plate 3201 downward to clamp on the front side of the panel 3104, so that the staff can quickly complete the limiting of the closing cover 3102. The operation is simple and convenient for the staff to use. After that, the staff only needs to rotate the nut 3106 to complete the fixation between the panel 3104 and the positioning screw 3105, so that the staff can quickly complete the closing or opening and closing of the closing cover 3102. The operation is simple and convenient for the staff to use.

[0034] During actual operation, when this device is used, the staff first places the material to be heated on the top of the discharge tray 1203, and then the staff pushes the levers 3202 on the left and right sides upward to drive the arc-shaped slide plate 3201 to slide upward, and then the staff holds the gripping rod 3103 and pushes it backward, and the gripping rod 3103 moves backward through the closing cover 3102 to drive the transmission cover plate 1103 to move backward, and the transmission cover plate 1103 moves backward through the convex cylinder 1201 and the rotating shaft 1202 to drive the discharge tray 1203 to move backward, and the discharge tray 1203 moves backward through the rotating shaft 2 1204 to drive the rotating gear 1401 to move backward until the rear side of the transmission cover plate 1103 is in contact with the front side of the limit ring 1104, and the rotating gear 1401 moves backward to the outer ring position of the fixed gear 1402. The workman then toggles the lever 3202 downward to drive the arc-shaped slide plate 3201 downward to engage with the front side of the panel 3104, and then the workman screws the nut 3106 into the outer ring of the positioning screw 3105 to complete the positioning of the closing cover 3102. After that, it is only necessary to start the driving motor 1101 and the base 5 to complete the drying of the material in the discharge tray 1203. The base 5 starts to heat the environment inside the heating furnace body 4, and the driving motor 1101 starts to drive the discharge tray 1203 to rotate around the hexagonal rotating shaft 1102. The rotation of the discharge tray 1203 is meshed with the fixed gear 1402 through the rotating gear 1401, so that the discharge tray 1203 can remain horizontal during the rotation. At this time, the heating treatment of the material on the top of the discharge tray 1203 is completed.

[0035] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0036] Finally, it should be noted that the above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A heating furnace for uniform heating, comprising a heating furnace body (4), characterized in that: The top of the heating furnace body (4) is fixedly connected to an exhaust port (41), the bottom of the heating furnace body (4) is fixedly connected to a base (5), a uniform heating mechanism (1) is arranged inside the heating furnace body (4), a telescopic mechanism (2) is arranged outside the uniform heating mechanism (1), and a closing mechanism (3) is arranged at the front side of the uniform heating mechanism (1); The uniform heating mechanism (1) comprises a driving assembly (11), a material discharge assembly (12), a supporting assembly (13) and a transmission assembly (14); the driving assembly (11) is arranged inside a furnace body (4) of the heating furnace; the material discharge assembly (12) is arranged outside the driving assembly (11); the supporting assembly (13) is arranged at the rear side of the material discharge assembly (12); and the transmission assembly (14) is arranged at the rear side inside the furnace body (4) of the heating furnace; The telescopic mechanism (2) comprises a telescopic component (21) and a stabilizing component (22); the telescopic component (21) is arranged in the driving component (11), and the stabilizing component (22) is arranged on the outer ring of the transmission component (14); The closing mechanism (3) comprises a closing component (31) and a positioning component (32); the closing component (31) is arranged on the front side of the driving component (11), and the positioning component (32) is arranged inside the front side of the heating furnace body (4).

2. A heating furnace for uniform heating according to claim 1, characterized in that: The driving assembly (11) comprises a driving motor (1101), wherein the driving motor (1101) is fixedly connected to the rear side of a heating furnace body (4), and a hexagonal rotating shaft (1102) is fixedly connected to the front side of the driving motor (1101), and the hexagonal rotating shaft (1102) is rotatably connected to the rear side of the heating furnace body (4). A transmission cover plate (1103) is arranged on the front side of the hexagonal rotating shaft (1102), and a limiting ring (1104) is arranged on the rear side of the transmission cover plate (1103), and the limiting ring (1104) is fixedly connected to the inner ring of the heating furnace body (4).

3. A heating furnace for uniform heating according to claim 1, characterized in that: The discharge assembly (12) comprises a convex cylinder (1201), the convex cylinder (1201) is fixedly connected to the rear side of the transmission cover plate (1103), the inner ring of the convex cylinder (1201) is rotatably connected to a first rotating shaft (1202), the rear side of the first rotating shaft (1202) is fixedly connected to a discharge tray (1203), and the rear side of the discharge tray (1203) is fixedly connected to a second rotating shaft (1204).

4. A heating furnace for uniform heating according to claim 1, characterized in that: The support assembly (13) comprises a support sleeve (1301), the support sleeve (1301) being rotatably connected to the outer ring of the second rotating shaft (1204), a protruding rod (1302) being fixedly connected to the outer side of the support sleeve (1301), and a connecting ring (1303) being fixedly connected to the outer side of the protruding rod (1302).

5. A heating furnace for uniform heating according to claim 1, characterized in that: The transmission assembly (14) comprises a rotating gear (1401), wherein the rotating gear (1401) is fixedly connected to the outer ring of the second rotating shaft (1204) and is located in front of the supporting sleeve (1301); a fixed gear (1402) is meshed on the inner side of the outer ring of the rotating gear (1401); the fixed gear (1402) is sleeved on the outer ring of the hexagonal rotating shaft (1102); a fixed rod (1403) is fixedly connected to the rear side of the fixed gear (1402); and the fixed rod (1403) is fixedly connected to the inner rear side of the heating furnace body (4).

6. A heating furnace for uniform heating according to claim 1, characterized in that: The telescopic assembly (21) comprises a telescopic slider (2101), the telescopic slider (2101) is slidably connected in the hexagonal rotating shaft (1102), the front side of the telescopic slider (2101) is fixedly connected to a telescopic sliding rod (2102), and the telescopic sliding rod (2102) is fixedly connected to the rear side of the transmission cover plate (1103).

7. A heating furnace for uniform heating according to claim 1, characterized in that: The stabilizing component (22) comprises a connecting collar (2201), the connecting collar (2201) being rotatably connected to an outer ring of a connecting collar (1303), the outer ring of the connecting collar (2201) being fixedly connected to a movable slider (2202), and the movable slider (2202) being slidably connected to the inner side of a heating furnace body (4).

8. A heating furnace for uniform heating according to claim 1, characterized in that: The closing assembly (31) comprises a connecting swivel (3101), the connecting swivel (3101) being rotatably connected to the front side of the transmission cover plate (1103), the front side of the connecting swivel (3101) being fixedly connected to a closing cover (3102), and the front side of the closing cover (3102) being fixedly connected to a gripping rod (3103).

9. A heating furnace for uniform heating according to claim 8, characterized in that: The bottom of the front side of the closing cover (3102) is fixedly connected to a panel (3104), the panel (3104) is clamped in the front side of the heating furnace body (4), a positioning screw (3105) is sleeved on the outer side of the panel (3104), the positioning screw (3105) is fixedly connected to the front side of the heating furnace body (4), the outer ring of the positioning screw (3105) is threadedly connected to a nut (3106), and the rear side of the nut (3106) is in contact with the front side of the panel (3104).

10. A heating furnace for uniform heating according to claim 1, characterized in that: The positioning assembly (32) comprises an arc-shaped slide plate (3201), wherein the arc-shaped slide plate (3201) is slidably connected to the front side of the heating furnace body (4), the rear side of the arc-shaped slide plate (3201) is in contact with the front side of the panel (3104), and the front side of the arc-shaped slide plate (3201) is fixedly connected to a lever (3202), wherein the lever (3202) is slidably connected to the front side of the heating furnace body (4).

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