阅读说明：本技术 一种自动换煤的家用烧煤炉灶 (Domestic stove with automatic coal changing ) 是由 李问 于 2020-12-02 设计创作，主要内容包括：本发明公开了一种自动换煤的家用烧煤炉灶,包括炉体,所炉体上端设有开口向上的顶煤槽,所述顶煤槽下腔壁还连通有底煤腔,该装置结构简单,操作便捷,克服由使用者出现错误的估计了煤的燃烧时间导致未能及时的进行新煤的更换从而导致炉火熄灭的问题,避免了人们浪费精力和时间不停的确认底层煤是否燃烧完的现象,该装置在使用时,可以通过事先将新煤放入到装置上从而使得装置自动探测到底没燃烧完毕后,自动进行将底煤取出并自动将新煤换上的动作,从而不需要人们反复确认底煤是否燃烧完毕,节省了人们的精力和时间,也不需要提前将未燃烧完毕的底没取出,从而保证了煤的燃烧率。(The invention discloses a household coal-fired stove capable of automatically changing coal, which comprises a stove body, wherein the upper end of the stove body is provided with a top coal groove with an upward opening, the lower cavity wall of the top coal groove is also communicated with a bottom coal cavity, the device has simple structure and convenient operation, overcomes the problem that the fire is extinguished because a user fails to timely change new coal due to the wrong estimation of the combustion time of the coal, avoids the phenomenon that people waste energy and time to ceaselessly confirm whether the bottom coal is completely combusted, can automatically take out the bottom coal and automatically change the new coal after the device automatically detects that the bottom coal is completely combusted by putting the new coal on the device in advance when the device is used, thereby avoiding the need of repeatedly confirming whether the bottom coal is completely combusted by the people, saving the energy and time of the people, and avoiding the need of taking out the unburned bottom coal in advance, thereby ensuring the combustion rate of coal.)

1. The utility model provides an automatic trade domestic coal burning kitchen range of coal, includes the furnace body, its characterized in that: the coal taking device is characterized in that a coal pushing groove with an upward opening is arranged at the upper end of the furnace body, the lower cavity wall of the coal pushing groove is also communicated with a bottom coal cavity, a pushing groove with a leftward opening is also arranged on the right cavity wall of the bottom coal cavity, a fixing mechanism is arranged in the coal pushing groove, a coal taking mechanism is arranged in the bottom coal cavity, the coal taking mechanism comprises a buffer plate hinged to the upper cavity wall of the bottom coal cavity, a torsion spring is fixed between the buffer plate and the cavity wall of the bottom coal cavity, a ventilating duct communicated with the outside of the furnace body is also arranged on the left cavity wall of the bottom coal cavity, a ventilating filter screen is also fixedly connected to the inner cavity wall of the bottom coal cavity, a coal taking block is connected to the ventilating filter screen in a sliding manner, a clamping groove communicated with the upper end face and the lower end face of the coal taking block is arranged in the coal taking block, a coal taking groove with a leftward opening is also arranged on the, a spring is fixedly connected between the right end of the coal taking sliding block and the right cavity wall of the coal taking groove, an extrusion steel wire rope is fixedly connected at the right end of the coal taking sliding block, clamping block grooves with openings pointing to the center direction of the clamping grooves are further arranged on the front and rear cavity walls of the clamping grooves, clamping block sliding plates are slidably connected in the clamping block grooves, a spring is fixedly connected between the clamping block sliding plates and the cavity wall of the clamping block groove far away from the direction of the clamping block grooves, a clamping block is further fixed at one end of the clamping block sliding plates pointing to the center direction of the clamping grooves, two clamping connecting rods are further hinged at the left end of the coal taking sliding block, the left ends of the clamping connecting rods are respectively hinged on the clamping block sliding plates, an extrusion groove with a downward opening is further arranged at the lower end of the coal taking block, an extrusion sliding block is slidably connected in the extrusion groove, and a, the right end of the extrusion steel wire rope is fixedly connected to the upper end of the extrusion sliding block, the right end of the coal fetching block is also fixedly connected with a coal fetching connecting rod, and the coal fetching connecting rod extends into the pushing groove.

2. A domestic coal-fired stove with automatic coal change according to claim 1, characterized in that: the pushing mechanism comprises a pushing plate fixedly connected to the right end of the coal taking connecting rod, a loose groove with an upward opening is formed in the lower cavity wall of the pushing groove, a coal discharging groove with an upward opening is further formed in the lower cavity wall of the pushing groove, a moving groove with a downward opening is further formed in the upper cavity wall of the pushing groove, a power groove with a downward opening is further formed in the upper cavity wall of the moving groove, a moving lead screw is rotatably connected to the moving groove, a moving block is connected to the left end of the moving lead screw through threads, a moving threaded hole is formed in the moving block, a limiting groove with a downward opening is further formed in the lower end of the moving block, the pushing plate is slidably connected to the limiting groove and is further slidably connected to the moving lead screw, a lower meshing gear is further fixedly connected to the right end of the moving lead screw, a power shaft is rotatably connected to the left and right cavity walls of the power groove, the power shaft right-hand member still power is connected with the motor, power gear with mesh gear engagement down, still be equipped with the forward meshing groove of opening on the wall of power groove rear cavity, sliding connection has power pinion rack in the meshing groove, power pinion rack rear end with fixedly connected with spring behind the meshing groove between the wall of cavity, power pinion rack rear end fixedly connected with rotates the stay cord, power pinion rack front end still fixedly connected with propelling movement stay cord, it has the fire damper still to articulate on the wall of cavity on the propelling movement groove, the fire damper with still be fixed with the torsional spring between the wall of propelling movement groove cavity.

3. A domestic coal-fired stove with automatic coal change according to claim 1, characterized in that: the fixing mechanism comprises a fixing groove, the opening of the fixing groove points to the center direction of the top coal groove, a fixing sliding plate is connected in the fixing groove in a sliding manner, a fixing spring is fixed between the fixing sliding plate and the wall of the fixing groove far away from the center direction of the top coal groove, the right end of the fixing sliding plate at the left side of the top coal groove is fixed with an electromagnet, the left end of the fixing sliding plate at the left side of the fixing sliding plate is fixedly connected with a fixing steel wire rope, the left end of the fixing steel wire rope is fixedly connected with the left end of the fixing sliding plate at the right side of the top coal groove, the wall of the right wall of the fixing groove at the left side of the top coal groove is fixed with a magnet, a rotating groove with a downward opening is further arranged on the wall of the upper wall of the fixing groove, a linkage rod is further hinged to one end of the, the coal storage tank with an upward opening is further arranged at the upper end of the furnace body, a pushing channel communicated with the outside of the furnace body is further arranged on the left cavity wall of the coal storage tank, a pushing groove with a leftward opening is further arranged on the right cavity wall of the coal storage tank, a pushing plate is connected in the pushing groove in a sliding mode, a pushing spring is fixedly connected between the right end of the pushing plate and the right cavity wall of the pushing groove, the front end of a pushing pull rope is fixedly connected to the right end of the pushing plate, a heating plate is further arranged on the upper side of the furnace body, a heating channel communicated with the upper end face and the lower end face of the heating plate is further arranged on the heating plate, the center of the heating channel is aligned with the center direction of the coal pushing groove, a threaded hole communicated with the upper end face and the lower end face of the heating plate is further arranged at the left end of the heating plate, a lead screw is connected in, the rotating cavity is fixedly connected with a rotating belt wheel, the other end of the rotating stay cord is fixedly wound on the rotating belt wheel, and a rotating torsion spring is fixedly connected between the lower end of the rotating belt wheel and the lower cavity wall of the rotating cavity.

4. A domestic coal-fired stove with automatic coal change according to claim 1, characterized in that: under the initial state, the propelling movement spring is in compression state, placed the heating container on the hot plate, there is the coal in top coal groove with the bottom coal intracavity, the coal in the bottom coal intracavity is located the clamp block, the hot plate with furnace body upper surface laminating, there is unburned coal in the coal storage tank.

Technical Field

The invention relates to the field of household stoves, in particular to a household coal-fired stove capable of automatically changing coal.

Background

The coal stove is one of the common stoves in the household stove, and when the household stove is used, the burnt coal is often taken out after the coal at the bottom layer is burnt and then replaced by new coal.

At the present stage, the coal change of a common household coal stove is carried out by a user according to experience when the bottom layer is not burnt out quickly, but the phenomenon that the fire is extinguished because the burning time of the coal is estimated by mistake, the coal is burnt out for a period of time and then new coal cannot be changed in time is often caused, or the phenomenon that whether the bottom layer coal is burnt out needs to be continuously confirmed by people can occur, the energy and time of the people are wasted, and the phenomenon that the burning rate of the coal is reduced because the coal is changed in advance can also occur.

Disclosure of Invention

The invention aims to solve the technical problem of providing a household coal-fired stove capable of automatically changing coal, which solves the problem that whether the sealing property is qualified or not cannot be judged after glue is manually applied between glass, and can realize the sealing property experiment on the corner of a glass curtain wall, thereby effectively avoiding the phenomenon of unqualified sealing property and greatly improving the safety and reliability of the glass curtain wall in the installation process.

The invention relates to a household coal-fired stove capable of automatically changing coal, which comprises a stove body, wherein a top coal chute with an upward opening is arranged at the upper end of the stove body, a bottom coal cavity is also communicated with the lower cavity wall of the top coal chute, a pushing groove with a leftward opening is also arranged on the right cavity wall of the bottom coal cavity, a fixing mechanism is arranged in the top coal chute, a coal taking mechanism is arranged in the bottom coal cavity, a pushing mechanism is arranged in the pushing groove, the coal taking mechanism comprises a buffer plate which is also hinged on the upper cavity wall of the bottom coal cavity, a torsion spring is also fixed between the buffer plate and the cavity wall of the bottom coal cavity, a ventilating duct communicated with the outside of the stove body is also arranged on the left cavity wall of the bottom coal cavity, a ventilating filter screen is also fixedly connected on the cavity wall of the bottom coal cavity, a coal taking block is slidably connected on the ventilating filter screen, a clamping groove communicated with the upper end surface and the lower end surface of the coal taking block is arranged in, a coal taking sliding block is connected in the coal taking groove in a sliding manner, a spring is fixedly connected between the right end of the coal taking sliding block and the right cavity wall of the coal taking groove, an extrusion steel wire rope is also fixedly connected at the right end of the coal taking sliding block, clamping block grooves with openings pointing to the central direction of the clamping grooves are also arranged on the front and rear cavity walls of the clamping grooves, clamping block sliding plates are connected in the clamping block grooves in a sliding manner, springs are fixedly connected between the clamping block sliding plates and the cavity walls of the clamping block grooves far away from the central direction of the clamping block grooves, clamping blocks are also fixed at one ends of the clamping block sliding plates pointing to the central direction of the clamping grooves, two clamping connecting rods are also hinged at the left end of the coal taking sliding block, the left ends of the clamping connecting rods are respectively hinged on the clamping block sliding plates, an extrusion groove with a downward opening is also arranged at the lower end of the coal taking block, an extrusion sliding block, the right end of the extrusion steel wire rope is fixedly connected to the upper end of the extrusion sliding block, the right end of the coal fetching block is also fixedly connected with a coal fetching connecting rod, and the coal fetching connecting rod extends into the pushing groove.

Further, the pushing mechanism comprises a pushing plate fixedly connected to the right end of the coal taking connecting rod, a loose slot with an upward opening is formed in the lower cavity wall of the pushing groove, a coal discharging groove with an upward opening is further formed in the lower cavity wall of the pushing groove, a moving groove with a downward opening is further formed in the upper cavity wall of the pushing groove, a power groove with a downward opening is further formed in the upper cavity wall of the moving groove, a moving lead screw is rotationally connected to the moving groove, a moving block is connected to the left end of the moving lead screw through threads, a moving threaded hole is formed in the moving block, a limiting groove with a downward opening is further formed in the lower end of the moving block, the pushing plate is slidably connected to the limiting groove, the pushing plate is further slidably connected to the moving lead screw, a lower meshing gear is further fixedly connected to the right end of the moving lead screw, and power shafts are rotationally connected to, fixedly connected with power gear on the power shaft, power shaft right-hand member still power is connected with the motor, power gear with meshing gear meshing down, still be equipped with the forward meshing groove of opening on the chamber wall behind the power groove, sliding connection has power pinion rack in the meshing groove, power pinion rack rear end with fixedly connected with spring between the chamber wall behind the meshing groove, power pinion rack rear end fixedly connected with rotates the stay cord, power pinion rack front end still fixedly connected with propelling movement stay cord, it has the fire damper still to articulate on the chamber wall on the propelling movement groove, the fire damper with still be fixed with the torsional spring between the propelling movement chamber wall.

Further, the fixing mechanism comprises a fixing groove with an opening pointing to the center direction of the top coal groove, the left end face and the right end face of the top coal groove are provided with fixing grooves, a fixing sliding plate is connected in the fixing groove in a sliding manner, a fixing spring is fixed between the fixing sliding plate and the cavity wall of the fixing groove far away from the center direction of the top coal groove, the right end of the fixing sliding plate at the left side of the top coal groove is fixed with an electromagnet, the left end of the fixing sliding plate at the left side of the fixing sliding plate is fixedly connected with a fixing steel wire rope, the left end of the fixing steel wire rope is fixedly connected with the left end of the fixing sliding plate at the right side of the top coal groove, a magnet is fixed on the right cavity wall of the fixing groove at the left side of the top coal groove, a rotating groove with a downward opening is further arranged on the upper cavity wall of the fixing groove, the coal storage tank with an upward opening is further arranged at the upper end of the furnace body, a pushing channel communicated with the outside of the furnace body is further arranged on the left cavity wall of the coal storage tank, a pushing groove with a leftward opening is further arranged on the right cavity wall of the coal storage tank, a pushing plate is connected in the pushing groove in a sliding mode, a pushing spring is fixedly connected between the right end of the pushing plate and the right cavity wall of the pushing groove, the front end of a pushing pull rope is fixedly connected to the right end of the pushing plate, a heating plate is further arranged on the upper side of the furnace body, a heating channel communicated with the upper end face and the lower end face of the heating plate is further arranged on the heating plate, the center of the heating channel is aligned with the center direction of the coal pushing groove, a threaded hole communicated with the upper end face and the lower end face of the heating plate is further arranged at the left end of the heating plate, a lead screw is connected in, the rotating cavity is fixedly connected with a rotating belt wheel, the other end of the rotating stay cord is fixedly wound on the rotating belt wheel, and a rotating torsion spring is fixedly connected between the lower end of the rotating belt wheel and the lower cavity wall of the rotating cavity.

Further, under the initial condition, the propelling movement spring is in compression state, place the heating container on the hot plate, the top coal groove with there is the coal in the end coal intracavity, the coal in the end coal intracavity is located in the clamp block, the hot plate with the laminating of furnace body upper surface, there is unburned coal in the coal storage tank.

The invention has the beneficial effects that: the device simple structure, the simple operation, the device can be through putting into the new coal in advance on the device thereby make the device automatic detection end the back of burning on the earth, carry out the action of taking out the end coal and changing the new coal automatically to do not need people to confirm repeatedly whether the end coal burns and finishes, saved people's energy and time, also need not in advance will not burn the end that finishes and not take out, thereby guaranteed the combustion rate of coal.

Drawings

In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.

FIG. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is an enlarged schematic view taken along line A-A of FIG. 1 according to an embodiment of the present invention;

FIG. 3 is an enlarged schematic view of the embodiment of the present invention at B-B in FIG. 1;

FIG. 4 is an enlarged schematic view of the embodiment of the present invention at C in FIG. 1;

Detailed Description

The invention will now be described in detail with reference to fig. 1-4, wherein for ease of description the orientations described hereinafter are now defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.

With reference to fig. 1-4, a household coal-fired stove capable of automatically changing coal comprises a stove body 10, wherein a top coal chute 66 with an upward opening is arranged at the upper end of the stove body 10, the lower cavity wall of the top coal chute 66 is further communicated with a bottom coal cavity 25, a pushing chute 56 with a leftward opening is further arranged on the right cavity wall of the bottom coal cavity 25, a fixing mechanism 67 is arranged in the top coal chute 66, a coal taking mechanism 68 is arranged in the bottom coal cavity 25, a pushing mechanism 69 is arranged in the pushing chute 56, the coal taking mechanism 68 comprises a buffer plate 70 hinged on the upper cavity wall of the bottom coal cavity 25, a torsion spring is further fixed between the buffer plate 70 and the cavity wall of the bottom coal cavity 25, a ventilation duct 27 communicated with the outside of the stove body 10 is further arranged on the left cavity wall of the bottom coal cavity 25, a ventilation filter screen 28 is further fixedly connected on the inner cavity wall of the bottom coal cavity 25, a coal taking block 32 is slidably connected on the ventilation filter screen 28, and a clamping groove 29 communicated with the upper and lower, a coal taking groove 37 with a leftward opening is further formed in the right cavity wall of the coal taking block 32, a coal taking sliding block 36 is connected in the coal taking groove 37 in a sliding mode, a spring is fixedly connected between the right end of the coal taking sliding block 36 and the right cavity wall of the coal taking groove 37, an extrusion steel wire rope 34 is further fixedly connected at the right end of the coal taking sliding block 36, clamping block grooves 53 with openings pointing to the center direction of the clamping groove 29 are further formed in the front cavity wall and the rear cavity wall of the clamping groove 29, clamping block sliding plates 54 are connected in the clamping block grooves 53 in a sliding mode, a spring is fixedly connected between each clamping block sliding plate 54 and the cavity wall of the clamping block groove 53 far away from the clamping block groove 53 direction, a clamping block 30 is further fixed at one end of each clamping block sliding plate 54 pointing to the center direction of the clamping groove 29, two clamping connecting rods 31 are further hinged to the left end of the coal taking sliding block, get coal cinder 32 lower extreme and still be equipped with extrusion groove 35 that open side down, sliding connection has extrusion slider 33 in the extrusion groove 35, extrusion slider 33 upper end with go up between the cavity wall fixedly connected with spring in the extrusion groove 35, extrusion wire rope 34 right-hand member fixed connection be in the extrusion slider 33 upper end, get coal cinder 32 right-hand member still fixedly connected with and get coal connecting rod 38, it stretches into to get coal connecting rod 38 in the propelling movement groove 56.

Advantageously, the pushing mechanism 69 includes a pushing plate 41 fixedly connected to the right end of the coal fetching connecting rod 38, a loosening groove 39 with an upward opening is formed on the lower cavity wall of the pushing groove 56, a coal chute 40 with an upward opening is further formed on the lower cavity wall of the pushing groove 56, a moving groove 47 with a downward opening is further formed on the upper cavity wall of the pushing groove 56, a power groove 52 with a downward opening is further formed on the upper cavity wall of the moving groove 47, a moving lead screw 46 is rotatably connected to the moving groove 47, a moving block 42 is connected to the left end of the moving lead screw 46 through a thread, a moving threaded hole 43 is formed in the moving block 42, a limiting groove 44 with a downward opening is further formed at the lower end of the moving block 42, the pushing plate 41 is slidably connected to the limiting groove 44, the pushing plate 41 is further slidably connected to the moving lead screw 46, and a lower engaging gear 45 is further fixedly connected to, rotate on the chamber wall about in the power groove 52 and be connected with power shaft 49, fixed connection has power gear 50 on the power shaft 49, power shaft 49 right-hand member still power is connected with motor 48, power gear 50 with meshing gear 45 meshing down, still be equipped with the forward meshing groove 55 of opening on the chamber wall behind the power groove 52, sliding connection has power pinion plate 51 in the meshing groove 55, power pinion plate 51 rear end with fixedly connected with spring between the chamber wall behind the meshing groove 55, power pinion plate 51 rear end fixedly connected with rotates stay cord 22, power pinion plate 51 front end still fixedly connected with propelling movement stay cord 13, it has fire damper 71 still to articulate on the chamber wall on the propelling movement groove 56, fire damper 71 with still be fixed with the torsional spring between the chamber wall of propelling movement groove 56.

Advantageously, the fixing mechanism 67 includes a fixing groove 58 having an opening pointing to the center direction of the top coal chute 66 and disposed on the left and right end surfaces of the top coal chute 66, a fixing sliding plate 61 is slidably connected in the fixing groove 58, a fixing spring 59 is fixed between the fixing sliding plate 61 and the cavity wall of the fixing groove 58 away from the center direction of the top coal chute 66, an electromagnet 62 is fixed on the right end of the fixing sliding plate 61 on the left side of the top coal chute 66, a fixing steel wire rope 60 is further fixedly connected to the left end of the fixing sliding plate 61 on the left side of the fixing sliding plate 61, the left end of the fixing steel wire rope 60 is fixedly connected to the left end of the fixing sliding plate 61 on the right side of the top coal chute 66, a magnet 63 is fixed on the right cavity wall of the fixing groove 58 on the left side of the top coal chute 66, a rotating groove 57 having a downward opening is further disposed on the upper, the one end of the trace 64 close to the center direction of the coal pushing groove 66 is hinged with a fixed block 65, the upper end of the furnace body 10 is provided with a coal storing groove 15 with an upward opening, the left cavity wall of the coal storing groove 15 is provided with a pushing channel 16 communicated with the outside of the furnace body 10, the right cavity wall of the coal storing groove 15 is provided with a pushing groove 11 with a leftward opening, the pushing groove 11 is connected with a pushing plate 14 in a sliding way, a pushing spring 12 is fixedly connected between the right end of the pushing plate 14 and the right cavity wall of the pushing groove 11, the front end of the pushing pull rope 13 is fixedly connected with the right end of the pushing plate 14, the upper side of the furnace body 10 is provided with a heating plate 17, the heating plate 17 is provided with a heating channel 18 communicated with the upper end face and the lower end face of the heating plate 17, the center of the heating channel 18 is aligned with the center direction of the coal pushing groove 66, there is lead screw 20 through threaded connection in the screw hole 19, top coal chute 66 left side still is equipped with rotates chamber 21, lead screw 20 lower extreme stretches into rotate in the chamber 21 and rotate the connection and be in rotate chamber 21 lower chamber wall on, it rotates band pulley 23 to rotate still fixedly connected with on the chamber 21, it twines to rotate stay cord 22 other end fixed rotate on the band pulley 23, rotate band pulley 23 lower extreme with it rotates torsional spring 24 to rotate still fixedly connected with between the chamber 21 lower chamber wall.

Advantageously, in an initial state, the pushing spring 12 is in a compressed state, a heating container is placed on the heating plate 17, coal is present in the top coal chute 66 and the bottom coal cavity 25, the coal in the bottom coal cavity 25 is located in the clamping block 30, the heating plate 17 is attached to the upper surface of the furnace body 10, and unburned coal is present in the coal storage tank 15.

Sequence of mechanical actions of the whole device:

1: when the coal in the bottom coal cavity 25 is burnt, the sensor 26 in the bottom coal cavity 25 is triggered to make the electromagnets 62 and the magnets 63 at the two sides of the top coal groove 66 attract each other, so as to drive the linkage rod 64 to drive the fixing block 65 to move towards the center of the top coal groove 66, so as to enable the fixing block 65 to move the non-clamped coal in the top coal groove 66 upwards for a short distance, and simultaneously, the motor 48 is started to drive the power shaft 49 to rotate, so as to drive the power gear 50 to rotate, so as to drive the lower meshing gear 45 and the movable lead screw 46 to rotate, so as to drive the moving block 42 to move right through the movable threaded hole 43, so as to drive the pushing plate 41 to move right, so as to drive the coal taking connecting rod 38 to drive the coal taking block 32 to move right, so as to drive the clamping block 30 to move right, so as to drive the burnt coal in the clamping block 30 to move right, when the coal taking block 32 moves into the pushing groove 56 right, the extruding slide block 33, thereby pulling the coal fetching slide block 36 to move right, so that the coal burnt in the bottom coal cavity 25 is clamped by the clamping blocks 30 approaching to each other through the clamping connecting rod 31, when the coal fetching block 32 moves to the end of the pushing groove 56, the extrusion slide block 33 is extruded by the wall of the right side cavity of the coal discharging groove 40 to press the extrusion slide block 33, so that the extrusion steel wire rope 34 is loosened, the coal fetching slide block 36 is popped out and reset under the action of the spring, the clamping blocks 30 are driven to move away from each other through the clamping connecting rod 31, the coal burnt in the bottom coal cavity 25 is stopped being clamped, the coal burnt in the bottom coal cavity 25 falls into the coal discharging groove 40, and the coal burnt in the lower layer of the coal furnace is cleaned;

2: meanwhile, when the power gear 50 rotates, the power toothed plate 51 engaged with the power gear is driven to move forwards, so that the rotation pull rope 22 is tensioned, the rotation pulley 23 is driven to rotate, the lead screw 20 is driven to rotate, the heating plate 17 is driven to move upwards through the threaded hole 19, so that a heating container on the heating plate 17 is lifted upwards together, meanwhile, the power toothed plate 51 moves forwards to loosen the pushing pull rope 13, so that the pushing plate 14 is continuously driven to move leftwards through the pushing spring 12, so that when the heating plate 17 moves upwards to the position where the pushing channel 16 is communicated with the outside of the furnace body 10, the pushing plate 14 drives coal in the coal storage tank 15 to move leftwards to the position above the top coal tank 66 to obtain coal, at the moment, the reverse motor 48 is rotated, the power shaft 49 is driven to drive the power gear 50 to rotate reversely, so that the power toothed plate 51 moves backwards to reset, so that the pushing pull rope 13 is pulled in, so that the pushing plate 14 is reset, and, so that the rotating belt wheel 23 is reversely rotated and reset under the action of the rotating torsion spring 24, thereby driving the screw rod 20 to reversely rotate and reset, thereby driving the heating plate 17 to move downwards and reset through the threaded hole 19, simultaneously the power gear 50 reversely rotates and also drives the meshing gear 45 to reversely rotate, thereby driving the moving block 42 to drive the pushing plate 41 to move left, thereby driving the coal taking connecting rod 38 to drive the coal taking block 32 to move left and reset, when the coal taking block 32 moves left and enters the bottom coal cavity 25, the coal taking block is extruded by the ventilation filter screen 28, thereby the extrusion sliding block 33 is pressed, thereby the extrusion steel wire rope 34 is loosened, thereby the coal taking sliding block 36 is reset, thereby the clamping blocks 30 are mutually separated through the clamping connecting rod 31, at the moment, the motor 48 is switched off, thereby the mutual attraction between the electromagnet 62 and the magnet 63 is stopped, thereby the fixed sliding plate 61 drives the linkage rod 64 to drive the fixed block 65 to reset, thereby the coal in the top coal groove 66 clamped by the, thereby completing the automatic replacement of the coal burned in the coal furnace and turning off the motor 48 to reset the apparatus.

The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.