Energy-saving hood-type forging furnace

Abstract

The present application discloses an energy-saving hood-type forging furnace, and relates to the field of forging furnaces. The present application includes: a furnace body, the upper end of which is open and a rotating arm is fixedly connected to one side; a furnace cover, a mounting frame is fixedly connected to the movable end of the rotating arm, the furnace cover is vertically slidably mounted on the mounting frame and snapped onto the open end of the furnace body, and a lifting member for driving the furnace cover to move up and down is connected to the mounting frame; a hot air circulation component, including an air inlet frame fixedly connected to the bottom of the furnace cover, a wind wheel located in the air inlet frame is rotatably mounted at the bottom of the furnace cover, and a rotating motor is connected to the mounting frame. The present application arranges an air inlet frame and a wind wheel at the bottom of the furnace cover, so that the heat from the top can be directly extracted and injected into the inner wall of the furnace body, and then blown out again from the bottom to form a cycle, and the hot air from the top is used to heat the bottom. Compared with the cold air at the bottom, the heat is pushed downward to circulate, which can effectively improve the overall heating efficiency of the furnace body.

Description

Technical Field

[0001] The present application relates to the technical field of forging furnaces, and in particular to an energy-saving hood-type forging furnace. Background Art

[0002] During the steel processing process, it needs to be forged. Forging is a processing method that uses a forging machine to apply pressure to the metal blank to cause it to undergo plastic deformation to obtain forgings with certain mechanical properties, shapes and sizes. Conventional forging methods mostly process the metal blank through a forging furnace and then process it through a forging machine. The forging furnace is designed to meet the heat treatment needs of customers in the forging industry. The forging material is heated according to the temperature requirements, size requirements and temperature control requirements of the forgings, so as to better complete the important link of the heat treatment production line.

[0003] Existing forging furnaces all have the problem of uneven temperature in the furnace. When the heating in the furnace starts, the heat will rise upward, so that the heat at the bottom of the furnace is lower than the heat at the top, which eventually leads to poor heating effect of the material in the furnace. The main problems of the forging furnace are: first, the fan is set at the bottom of the furnace body, which always blows the airflow from the bottom upward to form a cycle to heat the entire furnace body. Such a structural setting will cause the bottom of the furnace to heat slowly in the early stage, reducing the overall forging efficiency; second, after the material is placed in the furnace body, the placement state cannot be changed, and it can only be heated by relying on the temperature distribution in the furnace, and uneven heating still occurs.

[0004] Therefore, the present invention proposes an energy-saving hood-type forging furnace. Summary of the invention

[0005] The purpose of the present application is to solve the problems in the above-mentioned background technology and provide an energy-saving hood-type forging furnace.

[0006] In order to achieve the above-mentioned purpose, this application specifically adopts the following technical solutions:

[0007] Energy-saving hood-type forging furnace, including:

[0008] A furnace body, wherein the upper end of the furnace body is open and a rotating arm is fixedly connected to one side;

[0009] A furnace cover, a mounting frame is fixedly connected to the movable end of the rotating arm, the furnace cover is vertically slidably mounted on the mounting frame and buckled on the open end of the furnace body, and a lifting member for driving the furnace cover to move up and down is connected to the mounting frame;

[0010] The hot air circulation component comprises an air inlet frame fixedly connected to the bottom of the furnace cover, a wind wheel located in the air inlet frame is rotatably installed at the bottom of the furnace cover, a rotating motor is connected to the mounting frame, a rotating rod plugged with the wind wheel is fixedly connected to the output shaft of the rotating motor, a plurality of shunt pipes penetrating the furnace cover are fixedly connected to the side of the air inlet frame, and a ventilation flow channel for connecting with the shunt pipe is constructed in the bottom and side walls of the furnace body;

[0011] The supporting frame is mounted on the inner bottom of the furnace body for resistance and rotation.

[0012] Furthermore, the furnace body comprises an outer shell, a heat insulating layer is fixedly connected inside the outer shell, a heating layer is fixedly connected inside the heat insulating layer, and a serpentine heating strip is fixedly connected inside the heating layer.

[0013] Furthermore, the lifting member includes a connecting block fixedly connected to the upper side of the furnace cover, the connecting block is constructed with four guide rods that slide through the mounting frame, an inner ring is rotatably installed in the connecting block, a threaded hole is constructed in the inner ring, a folding screw that threadably cooperates with the threaded hole is constructed in the middle of the rotating rod, and a limiting member for fixing the inner ring is provided on the connecting block.

[0014] Furthermore, the limit member includes a sliding groove constructed along a circumferential array on the inner wall of the connecting block, and an insertion rod for inserting an inner ring is slidably installed in the sliding groove, a support spring is connected between the insertion rod and the inner end of the sliding groove, a resistance ring is rotatably installed in the connecting block, and a plurality of bevel blocks are constructed on the resistance ring along its circumferential array, a movable groove for the resistance ring to movably pass through is constructed in the middle of the insertion rod, and an inclined groove for misaligned resistance with the bevel block is constructed at one end of the movable groove facing the support spring, and a pushing member for driving the resistance ring to rotate is installed on the connecting block.

[0015] Furthermore, the pushing member includes an arc-shaped moving block that slides through the connecting block and is fixedly connected to the resistance ring, the upper end of the arc-shaped moving block is fixedly connected to a cross plate, a movable opening is constructed on the cross plate, an electric push rod is fixedly connected to the connecting block, and a moving shaft of the electric push rod is threadedly connected to nut stops arranged on both sides of the cross plate.

[0016] Furthermore, the ventilation duct includes a plurality of vertical ducts constructed between the heat insulation layer and the heating layer, a partition is constructed at the bottom of the furnace body, an air collecting cavity is constructed between the partition and the bottom of the furnace body, and a plurality of air outlet holes are constructed in an array on the partition.

[0017] Furthermore, the air inlet frame includes a column frame, and a plurality of air inlet grooves are constructed at the bottom of the column frame and are arranged opposite to the diversion pipe up and down. One end of the diversion pipe is fixedly connected to the side of the column frame and is arranged near its top, and the other end of the diversion pipe is constructed with an L-shaped plug for plugging into the top of the vertical air duct.

[0018] Furthermore, the support frame includes two circular frames arranged in parallel up and down, each of which is provided with a grid plate, a plurality of support columns are connected between the two grid plates, a transmission is installed at the center of the top surface of the circular frame, a polygonal slot is constructed on the transmission, the rotating rod passes through the wind wheel and a polygonal socket arranged opposite to the polygonal slot is constructed at the bottom end, and a connecting shaft is detachably inserted between the polygonal slot and the polygonal socket.

[0019] Furthermore, a semi-circular sphere is constructed in the middle of the bottom surface of the grid plate, a semi-circular groove for wrapping the semi-circular sphere is constructed on the partition, a plurality of arc-shaped sliders are constructed along a circular array on the side of the circular frame, and a limiting ring groove for the sliding of the arc-shaped slider is constructed on the partition.

[0020] Furthermore, the air outlet holes are arranged vertically opposite to the openings in the mesh plate.

[0021] The beneficial effects of this application are as follows:

[0022] 1. By arranging an air inlet frame and a wind wheel at the bottom of the furnace cover, the present application can directly extract the heat from the top and inject it into the inner wall of the furnace body, and then blow it out again from the bottom to form a circulation, and use the hot air from the top to heat the bottom. Compared with the cold air at the bottom that pushes the heat to circulate downward, it can effectively improve the overall heating efficiency of the furnace body.

[0023] 2. The present application installs the support frame in the furnace body so as to rotate and abut against each other, thereby driving the material stored on the support frame to rotate together, thereby further ensuring the heating efficiency of the material. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a three-dimensional structural diagram of this application;

[0025] Figure 2 It is a half-section diagram of the three-dimensional structure of the present application;

[0026] Figure 3 It is a half-section diagram of the local three-dimensional structure of the present application;

[0027] Figure 4 This application Figure 3 The enlarged view of point A in the middle;

[0028] Figure 5 It is a three-dimensional structural diagram of the limiting member of this application;

[0029] Figure 6 This application Figure 5 A partial cross-sectional view of the three-dimensional structure;

[0030] Figure 7 It is another partial three-dimensional structure half-section diagram of the present application;

[0031] Figure 8 This is another perspective three-dimensional structural diagram of the carrier frame of the present application;

[0032] Figure numerals: 1, furnace body; 101, shell; 102, insulation layer; 103, heating layer; 104, serpentine heating strip; 2, rotating arm; 201, mounting frame; 3, furnace cover; 4, lifting member; 401, connecting block; 402, guide rod; 403, inner ring; 404, threaded hole; 405, folding screw; 406, limiter; 4061, sliding groove; 4062, plug rod; 4063, support spring; 4064, resistance ring; 4065, bevel block; 4066, movable groove; 4067, inclined groove; 5, hot air circulation assembly; 501, air inlet frame; 5011, column frame; 5012, air inlet groove; 5013, L-shaped intubation; 502, Wind wheel; 503, rotating motor; 504, rotating rod; 505, shunt pipe; 506, ventilation flow channel; 5061, vertical air duct; 5062, partition; 50621, semicircular groove; 50622, limiting ring groove; 5063, wind gathering cavity; 5064, air outlet; 6, supporting frame; 601, round frame; 6011, arc-shaped slider; 602, grid plate; 6021, semicircular ball; 603, supporting column; 604, polygonal slot; 605, polygonal jack; 606, connecting shaft; 607, transmission; 7, pushing member; 701, arc-shaped moving block; 702, horizontal plate; 703, movable opening; 704, electric push rod; 705, nut stopper. DETAILED DESCRIPTION

[0033] In order to make the purpose, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application.

[0034] like Figure 1-Figure 5 As shown, an energy-saving hood-type forging furnace proposed in one embodiment of the present application includes:

[0035] A furnace body 1, the upper end of the furnace body 1 is open and a rotating arm 2 is fixedly connected to one side;

[0036] The furnace cover 3 and the movable end of the rotating arm 2 are fixedly connected with a mounting frame 201. The furnace cover 3 is vertically slidably mounted on the mounting frame 201 and buckled on the open end of the furnace body 1. The mounting frame 201 is connected with a lifting member 4 for driving the furnace cover 3 to move up and down. The lifting member 4 can drive the furnace cover 3 to move up and down, so as to control the opening and closing operation of the furnace body 1. When the furnace body 1 needs to be opened, it is only necessary to lift the furnace cover 3 using the lifting member 4, and then use the rotating arm 2 to transfer the furnace cover 3 to the outside of the furnace body 1. Compared with the traditional method of using a lifting arm to flip and open the furnace cover 3, this structure can fully open the furnace cover 3, which is convenient for putting in materials;

[0037] The hot air circulation component 5 comprises an air inlet frame 501 fixedly connected to the bottom of the furnace cover 3, a wind wheel 502 located in the air inlet frame 501 is rotatably installed at the bottom of the furnace cover 3, a rotating motor 503 is connected to the mounting frame 201, a rotating rod 504 plugged into the wind wheel 502 is fixedly connected to the output shaft of the rotating motor 503, a plurality of shunt pipes 505 penetrating the furnace cover 3 are fixedly connected to the side of the air inlet frame 501, a ventilation flow channel 506 for connecting with the shunt pipe 505 is constructed in the bottom and side walls of the furnace body 1, and the hot air circulation component 5 can utilize the rotation of the wind wheel 502 therein to extract the high-temperature gas at the top of the furnace body 1, and The hot air is injected into the side wall and the bottom of the furnace body 1 through the ventilation flow channel 506, so as to squeeze the cold air upward to form a circulation. The traditional forging furnace bottom blowing forms a circulation by squeezing the cold air upward, thereby squeezing the hot air downward. Such a structure will cause part of the heat at the corners to be unable to be taken away, and the heat retained at the top will gradually accumulate, which will still cause the problem of uneven heat distribution. The downward squeezing of hot air in the present application can effectively avoid such a problem, realize uniform heating of the upper and lower parts of the furnace body 1, and can also improve the overall heating efficiency of the furnace body 1, reduce the overall heating time of the furnace body 1, and thus save energy;

[0038] The support frame 6 is rotatably mounted on the inner bottom of the furnace body 1. Placing the material on the support frame 6 can drive the material to rotate together in the furnace body 1, so as to achieve uniform heating of the material and avoid the problem of reduced material heating effect due to uneven temperature horizontal and azimuthal distribution in the furnace body 1.

[0039] like Figure 2-Figure 3 As shown, in some embodiments, the furnace body 1 includes an outer shell 101, a heat insulating layer 102 is fixedly connected inside the outer shell 101, a heating layer 103 is fixedly connected inside the heat insulating layer 102, and a serpentine heating strip 104 is fixedly connected inside the heating layer 103. It should be noted that an air cavity is constructed between the outer shell 101 and the heat insulating layer 102 to increase the thermal insulation effect. The heat insulating layer 102 adopts high-alumina refractory castable, and the heating layer 103 adopts low-cement refractory castable. There are multiple serpentine heating strips 104 and they are arranged in an array on the circumferential inner wall along the height direction of the furnace body 1 to ensure uniform heat dissipation.

[0040] like Figure 3-Figure 5As shown, in some embodiments, the lifting member 4 includes a connecting block 401 fixedly connected to the upper side of the furnace cover 3, and the connecting block 401 is configured with four guide rods 402 that slide through the mounting frame 201, and an inner ring 403 is rotatably installed in the connecting block 401. It should be noted that an inner groove is configured in the connecting block 401 to limit the up and down movement of the inner ring 403 to prevent the inner ring 403 from detaching from the connecting block 401, and a threaded hole 404 is configured in the inner ring 403, and a threaded hole 404 is configured in the middle of the rotating rod 504. The folding screw 405 is matched with the thread 404. It should be noted that the folding screw 405 includes an upper screw and a lower screw. The upper screw and the lower screw are hinged to each other through a hinge shaft, and the threads thereon are butted against each other. When the rotating rod 504 rotates, the rotating force can be used to ensure that the folding screw 405 remains in a vertical state, so as to drive the wind wheel 502 to rotate smoothly. A limiter 406 for fixing the inner ring 403 is provided on the connecting block 401. The furnace cover 3 is realized by the guide rod 402 on the connecting block 401. The vertical sliding cooperation with the mounting frame 201 ensures that the furnace cover 3 itself will not rotate compared with the furnace body 1, thereby ensuring the accurate communication between the shunt pipe 505 and the ventilation channel 506. When the device is heated and running, the furnace cover 3 is closed on the furnace body 1. At this time, the rotating motor 503 will drive the rotating rod 504 and the inner ring 403 to rotate synchronously, so that the wind wheel 502 draws the air flow below it in the air inlet frame 501, so as to directly inject the top heat into the side wall and bottom of the furnace body 1, thereby improving the heating efficiency. rate to ensure uniform temperature distribution. After the device is operated, the limiter 406 can be used to fix the connecting block 401 and the inner ring 403 so that the connecting block 401 and the inner ring 403 form a whole. When the rotating rod 504 rotates again, it will produce threaded cooperation with the inner ring 403, so as to realize the furnace cover 3 moving up to the upper screw rod, and then the furnace cover 3 can be moved out of the upper part of the furnace body 1 as a whole through the rotating arm 2. At the same time, the folding screw rod 405 will resist the inner wall of the furnace body 1 and flip over, so as to detach from the furnace body 1.

[0041] like Figure 5-Figure 6As shown, in some embodiments, the limiting member 406 includes a sliding groove 4061 constructed along a circumferential array on the inner wall of the connecting block 401, and a plug rod 4062 for plugging the inner ring 403 is slidably installed in the sliding groove 4061, and a support spring 4063 is connected between the plug rod 4062 and the inner end of the sliding groove 4061, and a resistance ring 4064 is rotatably installed in the connecting block 401, and a plurality of bevel blocks 4065 are constructed on the resistance ring 4064 along its circumferential array, and a movable groove 4066 for the resistance ring 4064 to movably penetrate is constructed in the middle of the plug rod 4062, and an inclined groove 4067 for misalignment and resistance with the bevel block 4065 is constructed at one end of the movable groove 4066 facing the support spring 4063, and a pushing member 7 for driving the resistance ring 4064 to rotate is installed on the connecting block 401. When the furnace cover 3 needs to be raised or lowered, the limiting member 406 The positioning member 406 is in a state of being connected to the inner ring 403. At this time, the insertion rod 4062 is only subjected to the elastic thrust of the support spring 4063, thereby pushing the insertion rod 4062 into the inner ring 403, which is used to limit the rotation of the inner ring 403 and ensure that the inner ring 403 and the folding screw 405 can produce threaded cooperation. When it is necessary to drive the wind wheel 502 to rotate, the pushing member 7 can be used to push the contact ring 4064 to rotate in the movable grooves 4066 of the multiple insertion rods 4062. At this time, the bevel block 4065 on the contact ring 4064 will contact the bevel groove 4067 of the movable groove 4066, thereby causing a contact dislocation, so that the insertion rod 4062 is retracted into the sliding groove 4061, thereby breaking away from the limitation of the inner ring 403, facilitating the inner ring 403 and the folding screw 405 to rotate together, so as to drive the wind wheel 502 to operate.

[0042] like Figure 5 As shown, in some embodiments, the pushing member 7 includes an arc-shaped moving block 701 that slides through the connecting block 401 and is fixedly connected to the resistance ring 4064. The upper end of the arc-shaped moving block 701 is fixedly connected to a transverse plate 702, and a movable opening 703 is constructed on the transverse plate 702. An electric push rod 704 is fixedly connected to the connecting block 401. The moving shaft of the electric push rod 704 is threadedly connected with nut stops 705 arranged on both sides of the transverse plate 702. The nut stops 705 are used to prevent the output end of the electric push rod 704 from detaching from the transverse plate 702, so that the electric push rod 704 can always push and pull the arc-shaped moving block 701 to move, thereby driving the resistance ring 4064 to rotate, and realizing automatic adjustment and convenient control.

[0043] like Figure 3As shown, in some embodiments, the ventilation duct 506 includes a plurality of vertical ducts 5061 constructed between the heat insulation layer 102 and the heating layer 103, a partition 5062 is constructed at the bottom of the furnace body 1, an air collecting cavity 5063 is constructed between the partition 5062 and the bottom of the furnace body 1, and a plurality of air outlet holes 5064 are constructed in an array on the partition 5062. The air collecting cavity 5063 is arranged at the bottom of the furnace body 1, and heat can be collected here, thereby improving the heating efficiency of this part so as to gradually maintain a balance with the temperature above the furnace body 1, thereby ensuring uniform temperature distribution in the furnace body 1. The partition 5062 is made of steel and can effectively conduct heat, thereby improving the bottom heating efficiency.

[0044] like Figure 4 As shown, in some embodiments, the air inlet frame 501 includes a column frame 5011, and a plurality of air inlet grooves 5012 are constructed at the bottom of the column frame 5011 and are arranged opposite to the diverter pipe 505. One end of the diverter pipe 505 is fixedly connected to the side of the column frame 5011 and is arranged near its top, and the other end of the diverter pipe 505 is constructed with an L-shaped plug 5013 for plugging with the top of the vertical air duct 5061. The air inlet grooves 5012 are arranged to control the air intake flow rate of the air inlet frame 501 to ensure that the air flow rate entering each diverter pipe 505 is relatively balanced, thereby ensuring that each vertical air duct 5061 can be allocated a hot air flow, balancing the heat distribution, and ensuring that the furnace body 1 is evenly heated.

[0045] like Figure 7-Figure 8 As shown, in some embodiments, the carrier 6 includes two circular frames 601 arranged in parallel up and down, each of which is provided with a grid plate 602, and a plurality of support columns 603 are connected between the two grid plates 602. A transmission 607 is installed at the center of the top surface of the circular frame 601, and a polygonal slot 604 is configured on the transmission 607. It should be noted that one end of the transmission 607 is fixedly connected to the circular frame 601 and the other end is provided with a polygonal slot 604. The transmission 607 adopts pure gear transmission, and the material is a gear made of high-temperature resistant metal. The rotating rod 504 passes through the wind wheel 502 and the bottom end is provided with a polygonal slot 604 arranged opposite to the polygonal slot 604. Plug 605, a connecting shaft 606 is detachably connected between the polygonal slot 604 and the polygonal plug 605, both of which adopt a hexagonal structure, and are connected together by a connecting shaft 606. When the wind wheel 502 rotates, the transmission 607 is used to drive the circular frame 601 to rotate synchronously and decelerate, thereby realizing the change of the orientation of the material, thereby ensuring that the horizontal orientation heating effect of the material is more uniform, and the circular frame 601 and the support column 603 can prop up the two grid plates 602 so that there is a cavity between them. The material is placed on the upper side of the grid plate 602, which can effectively receive the heat from the bottom and ensure the bottom heating effect.

[0046] like Figure 3 and Figure 8 As shown, in some embodiments, a semi-circular sphere 6021 is constructed in the middle of the bottom surface of the grid plate 602, a semi-circular groove 50621 for wrapping the semi-circular sphere 6021 is constructed on the partition 5062, a plurality of arc-shaped sliders 6011 are constructed in a circular array on the side of the circular frame 601, and a limiting ring groove 50622 for the sliding of the arc-shaped slider 6011 is constructed on the partition 5062. The provision of the semi-circular sphere 6021 and the semi-circular groove 50621 can reduce friction, thereby facilitating the rotation of the circular frame 601, and the arc-shaped slider 6011 is used to support the edge of the circular frame 601, so that the ground of the grid plate 602 is separated from the upper surface of the partition 5062, thereby reducing friction and facilitating rotation.

[0047] like Figure 2 As shown, in some embodiments, the air outlet holes 5064 and the openings in the mesh plate 602 are arranged vertically opposite to each other to make the air flow evenly distributed, ensure that the temperature distribution remains even, and improve the heating effect.

[0048] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present application. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present application. Therefore, the present application will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. Energy-saving hood-type forging furnace, characterized in that: include: A furnace body (1), wherein the upper end of the furnace body (1) is open and a rotating arm (2) is fixedly connected to one side; A furnace cover (3), a mounting frame (201) being fixedly connected to the movable end of the rotating arm (2), the furnace cover (3) being vertically slidably mounted on the mounting frame (201) and buckled onto the open end of the furnace body (1), and a lifting member (4) for driving the furnace cover (3) to move up and down being connected to the mounting frame (201); A hot air circulation assembly (5), comprising an air inlet frame (501) fixedly connected to the bottom of a furnace cover (3), a wind wheel (502) located in the air inlet frame (501) being rotatably mounted on the bottom of the furnace cover (3), a rotating motor (503) being connected to the mounting frame (201), a rotating rod (504) plugged into the wind wheel (502) being fixedly connected to the output shaft of the rotating motor (503), a plurality of shunt pipes (505) penetrating the furnace cover (3) being fixedly connected to the side of the air inlet frame (501), and ventilation channels (506) for communicating with the shunt pipes (505) being constructed in the bottom and side walls of the furnace body (1); The lifting member (4) comprises a connecting block (401) fixedly connected to the upper side of the furnace cover (3), the connecting block (401) being provided with four guide rods (402) which slide through the mounting frame (201), an inner ring (403) being rotatably mounted in the connecting block (401), a threaded hole (404) being provided in the inner ring (403), a folding screw (405) threadably matched with the threaded hole (404) being provided in the middle of the rotating rod (504), and a stopper (406) for fixing the inner ring (403) being provided on the connecting block (401); The limiting member (406) comprises sliding grooves (4061) arranged in a circumferential array on the inner wall of the connecting block (401), wherein the sliding grooves (4061) are slidably mounted with plug rods (4062) for plugging the inner ring (403), and a supporting spring (4063) is connected between the plug rods (4062) and the inner end of the sliding grooves (4061), and a resisting ring (4064) is rotatably mounted in the connecting block (401), and the resisting ring (4064) is rotatably mounted in the connecting block (401). ) is provided with a plurality of bevel blocks (4065) in an array along its circumference, a movable groove (4066) for the interference ring (4064) to movably penetrate is provided in the middle of the insertion rod (4062), an inclined groove (4067) for dislocation interference with the bevel block (4065) is provided at one end of the movable groove (4066) facing the support spring (4063), and a pusher (7) for driving the interference ring (4064) to rotate is installed on the connection block (401); A support frame (6) is mounted on the inner bottom of the furnace body (1) for rotation; The support frame (6) comprises two circular frames (601) arranged in parallel up and down, each of the circular frames (601) being provided with a grid plate (602), a plurality of support columns (603) being connected between the two grid plates (602), a transmission (607) being installed at the center of the top surface of the circular frame (601), a polygonal slot (604) being provided on the transmission (607), the rotating rod (504) passing through the wind wheel (502) and having a polygonal plug hole (605) arranged opposite to the polygonal slot (604) at the bottom end, and a connecting shaft (606) being detachably plugged between the polygonal slot (604) and the polygonal plug hole (605).

2. The energy-saving hood-type forging furnace according to claim 1 is characterized in that: The furnace body (1) comprises an outer shell (101), a heat insulating layer (102) is fixedly connected inside the outer shell (101), a heating layer (103) is fixedly connected inside the heat insulating layer (102), and a serpentine heating strip (104) is fixedly connected inside the heating layer (103).

3. The energy-saving hood-type forging furnace according to claim 1 is characterized in that: The pushing member (7) comprises an arc-shaped moving block (701) which slides through the connecting block (401) and is fixedly connected to the abutment ring (4064); the upper end of the arc-shaped moving block (701) is fixedly connected to a transverse plate (702); a movable opening (703) is formed on the transverse plate (702); an electric push rod (704) is fixedly connected to the connecting block (401); and a moving shaft of the electric push rod (704) is threadedly connected to nut stoppers (705) arranged on both sides of the transverse plate (702).

4. The energy-saving hood-type forging furnace according to claim 2 is characterized in that: The ventilation duct (506) comprises a plurality of vertical ducts (5061) constructed between the heat insulation layer (102) and the heating layer (103); a partition plate (5062) is constructed at the bottom of the furnace body (1); an air collecting cavity (5063) is constructed between the partition plate (5062) and the bottom of the furnace body (1); and a plurality of air outlet holes (5064) are constructed in an array on the partition plate (5062).

5. The energy-saving hood-type forging furnace according to claim 1 is characterized in that: The air inlet frame (501) comprises a column frame (5011), the bottom of the column frame (5011) being configured with a plurality of air inlet slots (5012) arranged vertically opposite to the diverter pipe (505), one end of the diverter pipe (505) being fixedly connected to the side of the column frame (5011) and arranged close to the top thereof, and the other end of the diverter pipe (505) being configured with an L-shaped insert pipe (5013) for being plugged into the top of the vertical air duct (5061).

6. The energy-saving hood-type forging furnace according to claim 4, characterized in that: A semicircular sphere (6021) is constructed in the middle of the bottom surface of the grid plate (602), a semicircular groove (50621) for wrapping the semicircular sphere (6021) is constructed on the partition plate (5062), a plurality of arc-shaped sliders (6011) are constructed in a circular array on the side of the circular frame (601), and a limiting ring groove (50622) for the arc-shaped slider (6011) to slide is constructed on the partition plate (5062).

7. The energy-saving hood-type forging furnace according to claim 4 is characterized in that: The air outlet hole (5064) and the opening in the mesh plate (602) are arranged vertically opposite to each other.

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