Lifting type oven

Abstract

The utility model provides a lifting type oven, and belongs to the technical field of ovens. The lifting type oven comprises an oven box, a supporting plate, a lead screw, a lifting plate, an oven cover, a connecting rod, a bearing seat, a rotating shaft, a bearing body, a rotating plate and a lifting hook. The lead screw drives the lifting plate and the oven cover to move up and down, the oven cover and the rotating shaft move synchronously, the rotating plate is connected with the rotating shaft, the lead screw can drive the rotating plate and the lifting hook to enter the oven box, meanwhile, the rotating plate and the lifting hook can be moved out of the oven box, and therefore a worker can hang food on the lifting hook conveniently; and the food can be conveniently taken from the lifting hook, and a worker does not need to operate in the oven box, so that the use risk of the worker is reduced, and the use experience of the product is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of ovens, and in particular relates to a lifting oven. Background Art

[0002] In the related art, when food is baked in an oven, in order to heat the food more evenly, the food needs to be rotated in the oven.

[0003] The prior art (Announcement No.: CN219479851U) discloses a smoked electric oven, which includes an electric heating rod, and the smoked electric oven includes: an outer shell, an inner shell, a main shaft, a driving shaft, a first gear, a second gear, a hook assembly, a third gear and a fourth gear; food is hung on the hook assembly, and the driving shaft is rotated, so that the driving shaft drives the main shaft to rotate through the first gear and the second gear, so that the hook assembly can follow the rotation of the second gear; at the same time, the third gear is meshed with the fourth gear, so that the main shaft drives the hook assembly to rotate through the third gear and the fourth gear, so that the hook assembly can not only follow the revolution of the second gear, but also realize the rotation of the hook assembly relative to the second gear, so that the food is heated more evenly, so as to improve the smoked effect of the food.

[0004] In the prior art, when taking food or hanging food on the hook assembly, it is necessary to operate inside the shell; and because the residual temperature inside the electric oven is relatively high, it is dangerous for the staff to take food inside the shell, thereby reducing the user experience of the product. Utility Model Content

[0005] In order to solve the problem in the prior art that the residual temperature in the electric oven is high, which makes it dangerous for the staff to take food from the shell, thereby reducing the product usage experience, the utility model provides a lifting oven, which uses a lead screw to drive the lifting plate and the oven cover to move up and down, so that the oven cover and the rotating shaft move synchronously, and the rotating plate is connected to the rotating shaft, so that the lead screw can drive the rotating plate and the hook to enter the oven box, and also can move the rotating plate and the hook out of the oven box, so that it is convenient for the staff to hang the food on the hook, and also convenient to take the food from the hook, without the need for the staff to operate in the oven box, reducing the use risk of the staff, and thus improving the product usage experience. Its specific technical scheme is:

[0006] A lifting oven, the lifting oven comprises: an oven box, a support plate, a lead screw, a lifting plate, an oven cover, a connecting rod, a bearing seat, a rotating shaft, a bearing body, a rotating plate and a hook; the oven box is a hollow cavity with an opening at the top; four support plates are respectively fixed on both sides of the oven box, and the four support plates are arranged opposite to each other in pairs; an external thread is arranged on the outer wall of the lead screw, and the two ends of the two lead screws are respectively rotatably connected with the four support plates; a threaded hole is arranged in the lifting plate, and an internal thread is arranged in the threaded hole, the lifting plate is located between the two support plates, and the lead screw passes through the threaded hole of the lifting plate; the oven cover is buckled at the opening of the oven box; one end of at least two connecting rods is connected to the lifting plate, and the other end of at least two connecting rods is connected to the oven cover; the bearing seat is installed on the oven cover; the rotating shaft passes through the bearing seat and the oven cover in turn; the bearing body is sleeved on the outer side of the rotating shaft, and the bearing body is embedded in the bearing seat; the rotating plate is embedded in the oven box, and the rotating plate is connected to the rotating shaft; at least two hooks are connected to the bottom of the rotating plate; wherein the external thread is adapted to the internal thread.

[0007] In addition, the lifting oven in the above technical solution provided by the utility model may also have the following additional technical features:

[0008] In the above technical solution, the lifting oven also includes: a first motor, a first bevel gear and a second bevel gear; the first motor is provided with a first output shaft, and the first motor is fixed on the oven cover; the first bevel gear is mounted on the outside of the rotating shaft, and the first bevel gear is located above the bearing seat; the second bevel gear is mounted on the outside of the first output shaft of the first motor, and the second bevel gear is meshed with the first bevel gear.

[0009] In the above technical solution, the lifting oven also includes: a synchronous wheel and a synchronous belt; the two synchronous wheels are respectively mounted on the outside of the two lead screws; the synchronous belt is simultaneously mounted on the outside of the two synchronous wheels, and the synchronous belt is located below the oven box.

[0010] In the above technical solution, the lifting oven also includes: a second motor; the second motor is provided with a second output shaft, the second motor is fixed on the outer wall of the oven box, and the second output shaft of the second motor is connected to a lead screw.

[0011] In the above technical solution, the lifting oven further includes: a light bar; two ends of the light bar are respectively connected to two opposite support plates, and the light bar passes through the lifting plate.

[0012] In the above technical solution, the lifting oven also includes: an installation groove, thermal insulation cotton and an installation cover; the installation groove is arranged at the bottom of the oven cover; the thermal insulation cotton is embedded in the installation groove; the installation cover is connected to the bottom of the oven cover, and the installation cover is fitted with the thermal insulation cotton.

[0013] In the above technical solution, the lifting oven also includes: a limiting portion, a first easing hole and a second easing hole; the limiting portion is connected to the bottom of the furnace cover, and the limiting portion is in contact with the inner wall of the furnace box; the first easing hole is arranged in the furnace cover, and the first easing hole is arranged around the outside of the rotating shaft; the second easing hole is arranged in the mounting cover, and the second easing hole is arranged around the outside of the rotating shaft; wherein the limiting portion and the furnace cover are an integrated structure.

[0014] Compared with the prior art, the lifting type oven of the utility model has the following beneficial effects:

[0015] 1. The lead screw drives the lifting plate and the furnace cover to move up and down, the furnace cover and the rotating shaft move synchronously, and the rotating plate is connected to the rotating shaft, so that the lead screw can drive the rotating plate and the hook to enter the furnace box, and also can move the rotating plate and the hook out of the furnace box, so that it is convenient for the staff to hang the food on the hook, and also convenient to take the food from the hook without the staff operating in the furnace box, which reduces the risk of use for the staff and improves the use experience of the product.

[0016] 2. By mounting the first bevel gear on the outside of the rotating shaft and meshing the second bevel gear with the first bevel gear, when the first motor drives the second bevel gear to rotate, the second bevel gear drives the rotating shaft to rotate through the first bevel gear, thereby driving the rotating plate and the hook to rotate, so that the food is heated more evenly.

[0017] 3. By respectively fitting two synchronous wheels on the outside of the two lead screws, fitting the synchronous belt on the outside of the two synchronous wheels at the same time, and making the synchronous belt located under the furnace box, when one lead screw rotates, the lead screw drives the other lead screw to rotate through the two synchronous wheels and the synchronous belt, thereby realizing synchronous rotation of the two lead screws, and then realizing synchronous rotation of the two lead screws with only one driving mechanism, thereby reducing the production cost of the product.

[0018] 4. By fixing the second motor on the outer wall of the furnace box, the furnace box supports the second motor to improve the stability of the second motor; by connecting the second output shaft of the second motor to a screw, the second motor drives the screw to rotate, thereby providing power for rotating the screw.

[0019] 5. By passing the optical bar through the lifting plate, the lifting plate can be moved along the optical bar, thereby improving the stability of the lifting plate movement.

[0020] 6. By setting the installation groove at the bottom of the furnace cover and embedding the thermal insulation cotton into the installation groove, the furnace cover can accommodate the thermal insulation cotton, thereby improving the thermal insulation effect of the furnace cover; by connecting the installation cover to the bottom of the furnace cover and fitting the installation cover to the thermal insulation cotton, the installation cover can limit the insulation surface, thereby preventing the thermal insulation cotton from moving out of the installation groove.

[0021] 7. By connecting the limiting part with the bottom of the furnace cover and making the limiting part fit with the inner wall of the furnace box, the furnace box can limit the furnace cover through the limiting part, thereby avoiding the furnace cover from moving in the horizontal direction, so as to improve the stability of the furnace cover; by setting the first clearance hole in the furnace cover, setting the second clearance hole in the installation cover, and making the first clearance hole and the second clearance hole around the outside of the rotating shaft, interference between the rotating shaft and the furnace cover and the installation cover can be avoided, so as to improve the quality of the product. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a cross-sectional view of a lifting type oven of the utility model;

[0023] Figure 2 for Figure 1 A local enlarged view of point A;

[0024] Figure 3 for Figure 1 A partial enlarged view of point B;

[0025] Figure 4 It is a side view of a lifting oven of the utility model;

[0026] Figure 5 This is a front view of a lifting oven of the utility model;

[0027] Figure 6 It is a three-dimensional diagram of the furnace cover of the utility model;

[0028] in, Figures 1 to 6 The corresponding relationship between the reference numerals and component names in the figure is:

[0029] 10 furnace box, 11 support plate, 12 lead screw, 13 lifting plate, 14 furnace cover, 15 connecting rod, 16 bearing seat, 17 rotating shaft, 18 bearing body, 19 rotating plate, 20 hook, 21 first motor, 22 first bevel gear, 23 second bevel gear, 24 synchronous wheel, 25 synchronous belt, 26 second motor, 27 light bar, 28 installation groove, 29 thermal insulation cotton, 30 installation cover, 31 limiting part, 32 first make way hole, 33 second make way hole. DETAILED DESCRIPTION

[0030] The following is a combination of specific implementation cases and attached Figure 1-Figure 6 The present invention is further described below, but the present invention is not limited to these embodiments.

[0031] A lifting oven, such as Figures 1 to 6As shown, the lifting oven includes: an oven box 10, a support plate 11, a lead screw 12, a lifting plate 13, an oven cover 14, a connecting rod 15, a bearing seat 16, a rotating shaft 17, a bearing body 18, a rotating plate 19 and a hook 20; the oven box 10 is a hollow cavity with an opening on the top; four support plates 11 are respectively fixed on both sides of the oven box 10, and the four support plates 11 are arranged opposite to each other; an external thread is arranged on the outer wall of the lead screw 12, and the two ends of the two lead screws 12 are rotatably connected to the four support plates 11 respectively; a threaded hole is arranged in the lifting plate 13, and an internal thread is arranged in the threaded hole, and the lifting plate 13 is located between the two support plates 11, and The lead screw 12 passes through the threaded hole of the lifting plate 13; the furnace cover 14 is buckled at the opening of the furnace box 10; one end of at least two connecting rods 15 is connected to the lifting plate 13, and the other end of at least two connecting rods 15 is connected to the furnace cover 14; the bearing seat 16 is installed on the furnace cover 14; the rotating shaft 17 passes through the bearing seat 16 and the furnace cover 14 in sequence; the bearing body 18 is sleeved on the outer side of the rotating shaft 17, and the bearing body 18 is embedded in the bearing seat 16; the rotating plate 19 is embedded in the furnace box 10, and the rotating plate 19 is connected to the rotating shaft 17; at least two hooks 20 are connected to the bottom of the rotating plate 19; wherein the external thread is adapted to the internal thread.

[0032] By fixing four support plates 11 on both sides of the furnace box 10 respectively, the two ends of the two lead screws 12 are rotatably connected to the four support plates 11 respectively, and the two lead screws 12 are located on both sides of the furnace box 10, so that every two support plates 11 support one lead screw 12, so that the lead screw 12 can rotate between the two support plates 11; by locating the lifting plate 13 between the support plates 11, and passing the lead screw 12 through the threaded hole of the lifting plate 13, so as to realize the spiral connection between the lead screw 12 and the lifting plate 13, so as to realize the rotation of the lead screw 12, so that the lead screw 12 drives the lifting plate 13 to move up and down. The furnace cover 14 is buckled on the opening of the furnace box 10 to close the opening of the furnace box 10; one end of at least two connecting rods 15 is connected to the lifting plate 13, and the other end of at least two connecting rods 15 is connected to the furnace cover 14, so that when the lifting plate 13 moves up and down, the lifting plate 13 drives the furnace cover 14 to move up and down through multiple connecting rods 15, thereby realizing that the furnace cover 14 opens or closes the opening of the furnace box 10. By installing the bearing seat 16 on the furnace cover 14, the rotating shaft 17 passes through the bearing seat 16 and the furnace cover 14 in sequence, the bearing body 18 is sleeved on the outer side of the rotating shaft 17, and the bearing body 18 is embedded in the bearing seat 16, so that the bearing seat 16 supports the rotating shaft 17 through the bearing body 18, so that the rotating shaft 17 can rotate in the bearing seat 16 and the furnace cover 14, and at the same time, the furnace cover 14 can also drive the bearing seat 16 and the rotating shaft 17 to move up and down; by embedding the rotating plate 19 into the furnace box 10, and connecting the rotating plate 19 with the rotating shaft 17, so that the rotating shaft 17 can drive the rotating plate 19 to rotate, so that the rotating shaft 17 drives the rotating plate 19 to move up and down; by connecting at least two hooks 20 to the bottom of the rotating plate 19, so that food can be hung on the hooks 20, so that the rotating plate 19 can drive the food to rotate in the furnace box 10, so that the food is heated more evenly, so as to improve the baking effect of the food.

[0033] When the product is used, the screw 12 is first rotated so that the screw 12 drives the lifting plate 13, the connecting rod 15 and the oven cover 14 to move upward, so that the rotating plate 19 and the hook 20 are moved out of the oven box 10; then, the food is hung on the hook 20; then, the screw 12 is rotated in the opposite direction so that the screw 12 drives the lifting plate 13, the connecting rod 15 and the oven cover 14 to move downward, so that the oven cover 14 is buckled at the opening of the oven box 10; at this time, the food is embedded in the oven box 10 as a whole; then, the heating tube in the oven box 10 is started so that the heating tube bakes the food; then, the rotating shaft 17 is rotated so that the rotating shaft 17 drives the rotating plate 19 and the food hung on the hook 20 to rotate, so that the food is heated more evenly; after the baking of the food is completed, the screw 12 is rotated so that the screw 12 drives the lifting plate 13 and the oven cover 14 to move upward, so that the food is moved out of the oven as a whole, so that the food can be taken out.

[0034] By adopting the above structure, the screw 12 drives the lifting plate 13 and the furnace cover 14 to move up and down, the furnace cover 14 moves synchronously with the rotating shaft 17, and the rotating plate 19 is connected to the rotating shaft 17, so that the screw 12 can drive the rotating plate 19 and the hook 20 to enter the furnace box 10, and also can move the rotating plate 19 and the hook 20 out of the furnace box 10, so that it is convenient for the staff to hang food on the hook 20, and also to take food from the hook 20 without the staff operating in the furnace box 10, thereby reducing the use risk of the staff and improving the use experience of the product.

[0035] In the embodiment of the present utility model, Figures 1 to 6 As shown, the lifting oven also includes: a first motor 21, a first bevel gear 22 and a second bevel gear 23; the first motor 21 is provided with a first output shaft, and the first motor 21 is fixed on the oven cover 14; the first bevel gear 22 is sleeved on the outer side of the rotating shaft 17, and the first bevel gear 22 is located above the bearing seat 16; the second bevel gear 23 is sleeved on the outer side of the first output shaft of the first motor 21, and the second bevel gear 23 is meshed with the first bevel gear 22.

[0036] By fixing the first motor 21 on the furnace cover 14 and sleeved the second bevel gear 23 on the outside of the first output shaft of the first motor 21, the first motor 21 can drive the second bevel gear 23 to rotate; by sleeved the first bevel gear 22 on the outside of the rotating shaft 17 and meshing the second bevel gear 23 with the first bevel gear 22, when the first motor 21 drives the second bevel gear 23 to rotate, the second bevel gear 23 drives the rotating shaft 17 to rotate through the first bevel gear 22, thereby driving the rotating plate 19 and the hook 20 to rotate, so that the food is heated more evenly.

[0037] In the embodiment of the present utility model, Figures 1 to 6 As shown, the lifting oven further includes: a synchronous wheel 24 and a synchronous belt 25; the two synchronous wheels 24 are respectively sleeved on the outside of the two lead screws 12; the synchronous belt 25 is simultaneously sleeved on the outside of the two synchronous wheels 24, and the synchronous belt 25 is located below the oven box 10.

[0038] By respectively putting two synchronous wheels 24 on the outside of the two lead screws 12, and putting the synchronous belt 25 on the outside of the two synchronous wheels 24 at the same time, and making the synchronous belt 25 located below the furnace box 10, it is possible to realize that when one lead screw 12 rotates, the lead screw 12 drives the other lead screw 12 to rotate through the two synchronous wheels 24 and the synchronous belt 25, thereby realizing the synchronous rotation of the two lead screws 12, and then realizing that only one driving mechanism is needed to realize the synchronous rotation of the two lead screws 12, thereby reducing the production cost of the product.

[0039] In the embodiment of the present utility model, Figures 1 to 6As shown, the lifting oven further includes: a second motor 26 ; the second motor 26 is provided with a second output shaft, the second motor 26 is fixed on the outer wall of the oven box 10 , and the second output shaft of the second motor 26 is connected to a lead screw 12 .

[0040] By fixing the second motor 26 on the outer wall of the furnace box 10, the furnace box 10 supports the second motor 26 to improve the stability of the second motor 26; by connecting the second output shaft of the second motor 26 to a screw 12, the second motor 26 drives the screw 12 to rotate, thereby providing power for rotating the screw 12.

[0041] In the embodiment of the present utility model, Figures 1 to 6 As shown, the lifting oven further includes: a light bar 27 ; two ends of the light bar 27 are respectively connected to two opposite support plates 11 , and the light bar 27 passes through the lifting plate 13 .

[0042] By connecting the two ends of the optical bar 27 to two opposite support plates 11 respectively, the two support plates 11 can support the optical bar 27, thereby improving the stability of the optical bar 27; by passing the optical bar 27 through the lifting plate 13, the lifting plate 13 can be moved along the optical bar 27, thereby improving the stability of the movement of the lifting plate 13.

[0043] In the embodiment of the present utility model, Figures 1 to 6 As shown, the lifting oven also includes: a mounting groove 28, thermal insulation cotton 29 and a mounting cover 30; the mounting groove 28 is arranged at the bottom of the oven cover 14; the thermal insulation cotton 29 is embedded in the mounting groove 28; the mounting cover 30 is connected to the bottom of the oven cover 14, and the mounting cover 30 is in contact with the thermal insulation cotton 29.

[0044] By setting the installation groove 28 at the bottom of the furnace cover 14 and embedding the thermal insulation cotton 29 into the installation groove 28, the furnace cover 14 can accommodate the thermal insulation cotton 29, thereby improving the thermal insulation effect of the furnace cover 14; by connecting the installation cover 30 to the bottom of the furnace cover 14 and fitting the installation cover 30 with the thermal insulation cotton 29, the installation cover 30 can limit the insulation surface, thereby preventing the thermal insulation cotton 29 from moving out of the installation groove 28.

[0045] In the embodiment of the present utility model, Figures 1 to 6 As shown, the lifting oven also includes: a limiting portion 31, a first evacuation hole 32 and a second evacuation hole 33; the limiting portion 31 is connected to the bottom of the oven cover 14, and the limiting portion 31 is in contact with the inner wall of the oven box 10; the first evacuation hole 32 is arranged in the oven cover 14, and the first evacuation hole 32 is arranged around the outside of the rotating shaft 17; the second evacuation hole 33 is arranged in the mounting cover 30, and the second evacuation hole 33 is arranged around the outside of the rotating shaft 17; wherein, the limiting portion 31 and the oven cover 14 are an integrated structure.

[0046] By connecting the limiting part 31 with the bottom of the furnace cover 14 and making the limiting part 31 fit with the inner wall of the furnace box 10, the furnace box 10 can limit the furnace cover 14 through the limiting part 31, thereby preventing the furnace cover 14 from moving in the horizontal direction, so as to improve the stability of the furnace cover 14; by setting the first clearance hole 32 in the furnace cover 14, setting the second clearance hole 33 in the installation cover 30, and making the first clearance hole 32 and the second clearance hole 33 around the outside of the rotating shaft 17, so as to avoid the rotating shaft 17 from interfering with the furnace cover 14 and the installation cover 30, so as to improve the quality of the product. By setting the limiting part 31 and the furnace cover 14 as an integrated structure, the limiting part 31 and the furnace cover 14 can be processed and formed at one time, thereby reducing the processing difficulty of the limiting part 31 and the furnace cover 14, and improving the connection strength between the limiting part 31 and the furnace cover 14.

[0047] In the description of the present invention, the term "plurality" refers to two or more than two. Unless otherwise clearly defined, the orientation or positional relationship indicated by the terms "upper" and "lower" is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it cannot be understood as a limitation on the present invention. The terms "connection", "installation", "fixation", etc. should be understood in a broad sense. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be directly connected or indirectly connected through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0048] In the description of the present invention, the terms "one embodiment", "some embodiments", "specific embodiments", etc. mean that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In the present invention, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0049] The above description is only the preferred embodiment of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A lifting oven, characterized in that: The lifting oven comprises: A furnace box, wherein the furnace box is a hollow cavity with an opening at the top; Support plates, wherein four support plates are respectively fixed on two sides of the furnace box, and the four support plates are arranged opposite to each other in pairs; A lead screw, wherein an external thread is arranged on the outer wall of the lead screw, and two ends of the two lead screws are rotatably connected to the four support plates respectively; A lifting plate, wherein a threaded hole is provided in the lifting plate, wherein an internal thread is provided in the threaded hole, the lifting plate is located between the two support plates, and the lead screw passes through the threaded hole of the lifting plate; A furnace cover, which is buckled at the opening of the furnace box; Connecting rods, one end of at least two of the connecting rods is connected to the lifting plate, and the other end of at least two of the connecting rods is connected to the furnace cover; A bearing seat, the bearing seat is mounted on the furnace cover; A rotating shaft, the rotating shaft sequentially passing through the bearing seat and the furnace cover; A bearing body, wherein the bearing body is sleeved on the outer side of the rotating shaft and embedded in the bearing seat; A rotating plate, the rotating plate is embedded in the furnace box and connected to the rotating shaft; Hooks, at least two of which are connected to the bottom of the rotating plate; Wherein, the external thread is matched with the internal thread.

2. A lifting oven according to claim 1, characterized in that: The lifting oven also includes: A first motor, wherein the first motor is provided with a first output shaft and the first motor is fixed on the furnace cover; A first bevel gear, wherein the first bevel gear is sleeved on the outer side of the rotating shaft and is located above the bearing seat; The second bevel gear is sleeved on the outer side of the first output shaft of the first motor, and the second bevel gear is meshed with the first bevel gear.

3. The lifting oven according to claim 1, characterized in that: The lifting oven also includes: Synchronous wheels, the two synchronous wheels are respectively sleeved on the outsides of the two lead screws; A synchronous belt is simultaneously sleeved on the outer sides of the two synchronous wheels, and the synchronous belt is located below the furnace box.

4. The lifting oven according to claim 3, characterized in that: The lifting oven also includes: A second motor is provided with a second output shaft, the second motor is fixed on the outer wall of the furnace box, and the second output shaft of the second motor is connected to one of the lead screws.

5. The lifting oven according to claim 4, characterized in that: The lifting oven also includes: An optical bar, both ends of which are respectively connected to the two opposite support plates, and the optical bar passes through the lifting plate.

6. The lifting oven according to claim 1, characterized in that: The lifting oven also includes: A mounting groove, the mounting groove being arranged at the bottom of the furnace cover; Thermal insulation cotton, the thermal insulation cotton is embedded in the installation groove; The installation cover is connected to the bottom of the furnace cover, and the installation cover is in close contact with the thermal insulation cotton.

7. The lifting oven according to claim 6, characterized in that: The lifting oven also includes: A limiting portion, the limiting portion is connected to the bottom of the furnace cover, and the limiting portion is in contact with the inner wall of the furnace box; A first clearance hole, wherein the first clearance hole is arranged in the furnace cover and the first clearance hole is arranged around the outer side of the rotating shaft; A second clearance hole, wherein the second clearance hole is arranged in the installation cover and the second clearance hole is arranged around the outer side of the rotating shaft; Wherein, the limiting part and the furnace cover are an integrated structure.

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