阅读说明：本技术 炉门结构及加热炉 (Furnace door structure and heating furnace ) 是由 任晓琪 李玉生 吕绪刚 于 2021-08-17 设计创作，主要内容包括：本发明提供了一种炉门结构及加热炉,涉及热成型设备技术领域,解决了加热炉的炉门结构开启方式繁琐,导致放料、取料工作效率低下的技术问题。该炉门结构包括炉门和驱动机构,驱动机构包括有移动部,移动部与炉门连接,移动部相对于炉口倾斜设置,移动部运动时能使关闭于炉口处的炉门向炉口的斜上方或斜下方运动,以打开炉口并预留出炉口的正前方空间；且移动部运动时能拉动炉门将炉口关闭。本发明当移动部运动时能将关闭在炉口处的炉门向炉口的斜上方或斜下方运动,从而打开炉口并预留出炉口正前方的空间；携带有端拾器的机械手能够由炉口的正前方将工件放置到炉膛内,或者从炉膛内取出；无需人工打开炉门,提高放料、取料的工作效率。(The invention provides a furnace door structure and a heating furnace, relates to the technical field of thermal forming equipment, and solves the technical problem that the working efficiency of material discharging and taking is low due to the fact that the furnace door structure of the heating furnace is complex in opening mode. The furnace door structure comprises a furnace door and a driving mechanism, wherein the driving mechanism comprises a moving part, the moving part is connected with the furnace door, the moving part is obliquely arranged relative to the furnace opening, and the moving part can enable the furnace door closed at the furnace opening to move towards the oblique upper side or the oblique lower side of the furnace opening when moving so as to open the furnace opening and reserve a space right in front of the furnace opening; and the moving part can pull the furnace door to close the furnace opening when moving. When the moving part moves, the furnace door closed at the furnace opening can move towards the obliquely upper part or the obliquely lower part of the furnace opening, so that the furnace opening is opened and a space right in front of the furnace opening is reserved; the manipulator with the end effector can place the workpiece into the hearth from the right front of the furnace mouth or take the workpiece out of the hearth; need not the manual work and open the furnace gate, improve the blowing, get the work efficiency of material.)

1. An oven door structure, characterized in that, comprises an oven door (1) and a drive mechanism, wherein:

the driving mechanism comprises a moving part, the moving part is connected with the furnace door (1), the moving part is obliquely arranged relative to the furnace opening, and the moving part can enable the furnace door (1) closed at the furnace opening to move obliquely upwards or obliquely downwards to the furnace opening when moving so as to open the furnace opening and reserve a space right in front of the furnace opening; and the moving part can pull the furnace door (1) to close the furnace opening when moving.

2. The oven door structure according to claim 1, characterized in that the moving part comprises a shaft (2), the upper end of the shaft (2) being connected with the oven door (1); the shaft rod (2) is obliquely arranged relative to the plane of the furnace mouth.

3. The oven door structure according to claim 2, characterized in that the drive mechanism further comprises a housing (3), a guide rail (31) is present in the housing (3), the guide rail (31) is arranged obliquely with respect to the oven opening, at least a part of the shaft (2) is located in the guide rail (31), and the shaft (2) is capable of reciprocating along the guide rail (31).

4. The oven door structure according to claim 3, characterized in that the driving mechanism further comprises a driving device (4), a gear portion (5) is arranged on an output shaft of the driving device (4), and the gear portion (5) is positioned in the housing (3);

the surface of the shaft lever (2) is provided with a rack part, the rack part is arranged along the length direction of the shaft lever (2), and the rack part is meshed with the gear part (5); when the driving device (4) rotates forwards or backwards, the shaft rod (2) can be driven to reciprocate along the length direction of the guide rail (31) through the gears and the rack parts which are meshed with each other.

5. The oven door structure according to claim 1, characterized in that the moving part is arranged at both ends of the oven door (1), the driving mechanism further comprises a driving device (4), the driving device (4) is arranged at one end of the oven door (1), and an output shaft of the driving device (4) is in transmission connection with one of the moving parts;

the driving mechanism further comprises a connecting shaft (6), the connecting shaft (6) extends along the length direction of the furnace door (1), one end of the connecting shaft (6) is connected with an output shaft of the driving device (4), and the other end of the connecting shaft (6) is in transmission connection with the other moving part so as to enable the two moving parts to move synchronously.

6. The oven door structure according to claim 4, characterized in that the shaft lever (2) and the gear portion (5) are arranged at both ends of the oven door (1), the drive means (4) is arranged at one end of the oven door (1), wherein one of the gear portions (5) is arranged on an output shaft of the drive means (4);

the driving mechanism further comprises a connecting shaft (6), the connecting shaft (6) extends along the length direction of the oven door (1), the first end of the connecting shaft (6) is connected with the output shaft of the driving device (4), and the second end of the connecting shaft (6) is connected with the gear portion (5) so that the gear portion (5) rotates synchronously.

7. The oven door structure according to claim 5 or 6, characterized in that an axle tube (9) and a protective sleeve (10) are provided outside the connecting shaft (6), wherein:

connecting axle (6) is in rotatable setting in central siphon (9), lag (10) are located central siphon (9) are outer and enclose between the two and be equipped with the cavity body (11), cavity body (11) are followed the length direction of connecting axle (6) extends, it has the cooling water to circulate in the cavity body (11), and is used for right connecting axle (6) cooling.

8. The oven door structure according to claim 7, characterized in, that the oven door structure further comprises a water inlet pipe (7) and a water outlet pipe (8), wherein:

the inlet tube (7) with outlet pipe (8) all with the cavity body (11) is linked together, inlet tube (7) be used for to let in the cooling water in the cavity body (11), outlet pipe (8) are used for making the cooling water outflow after the heat transfer the cavity body (11).

9. A heating furnace, characterized in that, it comprises a furnace body (100) and the furnace door structure of any claim 1-8, the furnace body (100) has a hearth for accommodating workpieces, the hearth is provided with a furnace opening, and the furnace door (1) is arranged at the furnace opening.

10. The heating furnace according to claim 9, wherein the furnace body (100) comprises one or more than two hearth layers, when the furnace body (100) comprises more than two hearth layers, all the hearth layers are arranged in a vertical direction, and the furnace door (1) is arranged at the furnace opening of each hearth layer.

Technical Field

The invention relates to the technical field of thermoforming equipment, in particular to a furnace door structure and a heating furnace.

Background

The hot forming (i.e. hot stamping forming) process is a process that in a hot forming production line, a material to be processed is heated to an austenite temperature range in a heating furnace, after the steel plate structure is changed, the steel plate is quickly moved to a die to quickly perform stamping, under the pressure maintaining state of a press, a cooling loop arranged in the die is used for ensuring a certain cooling speed, and parts are quenched and cooled to finally obtain an ultrahigh-strength stamping part.

Also, composite or other materials require batch loading into a furnace for heating during processing.

The applicant has found that the prior art has at least the following technical problems: in the existing heating furnace, a furnace door is usually hinged at a furnace opening of the heating furnace, when a workpiece to be heated is placed into the heating furnace, the furnace door needs to be manually opened, and then the workpiece to be heated is placed into a furnace body for high-temperature heating. Because the interior of the heating furnace is in a high-temperature environment, the manual opening of the furnace door has certain potential safety hazards, the processes of discharging materials into the heating furnace and taking the materials from the heating furnace are complicated, and the work efficiency of workpiece heating is low.

Disclosure of Invention

The invention aims to provide a furnace door structure and a heating furnace, and aims to solve the technical problems that the furnace door structure of the existing heating furnace in the prior art is complicated in opening mode, so that the working efficiency of material discharging and taking is low; the technical effects that can be produced by the preferred technical scheme in the technical schemes provided by the invention are described in detail in the following.

In order to achieve the purpose, the invention provides the following technical scheme:

the invention provides an oven door structure, which comprises an oven door and a driving mechanism, wherein:

the driving mechanism comprises a moving part, the moving part is connected with the furnace door, the moving part is obliquely arranged relative to the furnace opening, and the moving part can enable the furnace door closed at the furnace opening to move obliquely upwards or obliquely downwards to the furnace opening when moving so as to open the furnace opening and reserve a space right in front of the furnace opening; and the moving part can pull the furnace door to close the furnace opening when moving.

Preferably, the moving part comprises a shaft, and the upper end of the shaft is connected with the oven door; the shaft rod is obliquely arranged relative to the plane of the furnace opening.

Preferably, the driving mechanism further comprises a housing, a guide rail is arranged in the housing, the guide rail is arranged obliquely relative to the furnace mouth, at least part of the shaft rod is located in the guide rail, and the shaft rod can reciprocate along the guide rail.

Preferably, the driving mechanism further comprises a driving device, an output shaft of the driving device is provided with a gear part, and the gear part is positioned in the shell;

the surface of the shaft rod is provided with a rack part, the rack part is arranged along the length direction of the shaft rod, and the rack part is meshed with the gear part; when the driving device rotates forwards and backwards, the shaft rod can be driven to reciprocate along the length direction of the guide rail through the gears and the rack parts which are meshed with each other.

Preferably, the moving parts are arranged at two ends of the oven door, the driving mechanism further comprises a driving device, the driving device is arranged at one end of the oven door, and an output shaft of the driving device is in transmission connection with one of the moving parts;

the driving mechanism further comprises a connecting shaft, the connecting shaft extends along the length direction of the furnace door, one end of the connecting shaft is connected with an output shaft of the driving device, and the other end of the connecting shaft is in transmission connection with the other moving part, so that the two moving parts move synchronously.

Preferably, the shaft lever and the gear portion are disposed at two ends of the oven door, the driving device is disposed at one end of the oven door, and one of the gear portions is disposed on an output shaft of the driving device;

the driving mechanism further comprises a connecting shaft, the connecting shaft extends along the length direction of the oven door, a first end of the connecting shaft is connected with an output shaft of the driving device, and a second end of the connecting shaft is connected with the other gear part, so that the two gear parts rotate synchronously.

Preferably, the connecting shaft is externally provided with a shaft tube and a protective sleeve, wherein:

the connecting axle is in rotatable setting in the central siphon, the lag is located the cavity body is enclosed outside the central siphon and between the two, the cavity body is followed the length direction of connecting axle extends, the internal circulation of cavity has the cooling water, is used for right the connecting axle cooling.

Preferably, the furnace door structure further comprises a water inlet pipe and a water outlet pipe, wherein:

the inlet tube with the outlet pipe all with the cavity body is linked together, the inlet tube be used for to the internal cooling water that lets in of cavity, the outlet pipe is used for making the cooling water after the heat transfer play the cavity body.

The invention also provides a heating furnace, which comprises a furnace body and the furnace door structure, wherein the furnace body is provided with a hearth for accommodating the workpiece, the hearth is provided with a furnace opening, and the furnace door is arranged at the furnace opening.

Preferably, the furnace body comprises one or more than two layers of the hearths, when the furnace body comprises more than two layers of the hearths, all the hearths are distributed in the vertical direction, and the furnace door is arranged at the furnace mouth of each layer of the hearths.

Compared with the prior art, the furnace door structure and the heating furnace provided by the invention have the following beneficial effects: the driving mechanism comprises a moving part, the moving part is connected with the furnace door, and the moving part is obliquely arranged relative to the furnace door, so that the furnace door closed at the furnace opening can move towards the obliquely upper side or the obliquely lower side of the furnace opening when the moving part moves, the furnace opening is opened, and a space right in front of the furnace opening is reserved; the manipulator with the end effector can place the workpiece into the hearth from the right front of the furnace mouth or take the workpiece out of the hearth; the furnace gate is through the oblique top or the oblique below of the mode bulk motion of being driven by the removal portion to the fire door, does not influence the blowing, gets the material, and need not the manual work and open the furnace gate, improves the blowing, gets the work efficiency of material.

Drawings

In order to more clearly illustrate the embodiments of the present 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, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic view of the overall structure of the oven door structure of the present invention;

FIG. 2 is a structural schematic view from another perspective of the oven door structure of the present invention;

FIG. 3 is a schematic view of the drive mechanism;

FIG. 4 is an enlarged view of a portion of FIG. 3 at A;

FIG. 5 is a top view of an oven door structure;

FIG. 6 is a schematic cross-sectional view taken along line A-A of FIG. 5;

figure 7 is a side sectional view of an oven door structure;

FIG. 8 is a side view of the furnace of the present invention.

In the figure 100, a furnace body; 1. a furnace door; 2. a shaft lever; 3. a housing; 31. a guide rail; 4. a drive device; 41. a motor; 42. a speed reducer; 5. a gear portion; 6. a connecting shaft; 7. a water inlet pipe; 8. a water outlet pipe; 9. an axle tube; 10. a protective sleeve; 11. a cavity body.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without any inventive step, are within the scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "length", "width", "height", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "side", and the like, indicate orientations and positional relationships based on the orientations and positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the equipment or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

The embodiment of the invention provides a furnace door structure and a heating furnace, wherein the furnace door integrally moves to the obliquely upper part or the obliquely lower part of a furnace opening in a mode of being driven by a moving part, a space right in front of the furnace outlet is reserved, the furnace door does not need to be opened manually, and the working efficiency of discharging and taking materials is improved.

The technical solution provided by the present invention is explained in more detail below with reference to fig. 1 to 8.

Example one

As shown in fig. 1 to 7, the present embodiment provides an oven door structure, which includes an oven door 1 and a driving mechanism, the oven door 1 is disposed at an oven opening of a hearth, the oven opening is not shown in the figures, wherein: the driving mechanism comprises a moving part, the moving part is connected with the furnace door 1, the moving part is obliquely arranged relative to the plane of the furnace opening, and the moving part can enable the furnace door 1 closed at the furnace opening to move obliquely upwards or obliquely downwards to open the furnace opening and reserve a space right in front of the furnace opening when moving; and the moving part can pull the furnace door 1 to close the furnace opening when moving.

When the moving part drives the whole furnace door 1 to be separated from the furnace opening and a space right in front of the furnace opening is reserved, a manipulator with an end pick-up can stretch a grabbed workpiece into a hearth from the right front of the furnace opening through horizontal movement, and the workpiece is placed in the hearth to finish discharging; when the material is taken, the manipulator with the end picking device takes the workpiece out of the furnace mouth through the movement in the horizontal direction. Whole blowing and get the material process and need not manual operation, need not the manual work and open, close furnace gate 1, need not artifical blowing, safety, efficient.

In the oven door structure of the embodiment, the driving mechanism comprises a moving part, the moving part is connected with the oven door 1, and the moving part is obliquely arranged relative to the oven door 1, so that the oven door 1 closed at the oven opening can move obliquely upwards or obliquely downwards to the oven opening when the moving part moves, and the oven opening is opened and a space right in front of the oven opening is reserved; the manipulator with the end effector can place the workpiece into the hearth from the right front of the furnace mouth or take the workpiece out of the hearth; the furnace door 1 integrally moves to the oblique upper side or the oblique lower side of the furnace mouth in a mode of being driven by the moving part, the material discharging and taking is not influenced, the furnace door 1 does not need to be manually opened, and the working efficiency of the material discharging and taking is improved.

As an alternative embodiment, referring to fig. 1, the moving part includes a shaft 2, and the upper end of the shaft 2 is connected with the oven door 1; the shaft rod 2 is obliquely arranged relative to the plane of the furnace mouth. Namely, a non-zero included angle exists between the shaft lever 2 and the plane of the furnace mouth, the shaft lever 2 is obliquely arranged, and the shaft lever 2 reciprocates linearly along the axis direction to open and close the furnace mouth. Like this, because the upper end and the furnace gate 1 of axostylus axostyle 2 are connected, and axostylus axostyle 2 drives furnace gate 1 simultaneously along the reciprocal linear motion of the axis of axostylus axostyle 2 when moving along self axis direction, because the axis of axostylus axostyle 2 is the slope setting, when furnace gate 1 opens, can reserve the space in the dead ahead of the fire door like this, make things convenient for the manipulator to move the blowing, get the material in the dead ahead of the fire door.

As an alternative embodiment, referring to fig. 3 and 4, the driving mechanism further comprises a housing 3, a guide rail 31 is arranged in the housing 3, the guide rail 31 is inclined relative to the furnace mouth, at least a part of the shaft 2 is arranged in the guide rail 31, and the shaft 2 can reciprocate along the guide rail 31. Wherein the shaft 2 can be connected in the guide 31 by means of a linear bearing. The housing 3 can be fixed to the side of the furnace opening.

The guide rail 31 is arranged in line with the axis of the shaft lever 2, so that the movement path of the shaft lever 2 is limited, and the shaft lever 2 is prevented from being deviated to cause the unstable movement of the oven door 1.

As an embodiment not shown in the drawings, the driving mechanism includes a telescopic cylinder, a telescopic rod of the telescopic cylinder is connected to the oven door as the moving portion, and the telescopic rod of the telescopic cylinder can drive the oven door to move along the length direction of the telescopic rod when extending or retracting.

In order to further improve the stability of the movement of the oven door and the compactness of the structure, as an alternative embodiment, the driving mechanism of the embodiment further includes a driving device 4, as shown in fig. 3 and 4, the driving device 4 includes a motor 41 and a speed reducer which are in driving connection, a gear portion 5 is arranged on an output shaft of the speed reducer, the gear portion 5 is located in the housing 3, a rack portion is arranged on the surface of the shaft lever 2, and the rack portion is arranged along the length direction of the shaft lever 2, and teeth of the gear portion 5 extend into the guide rails 31 to be meshed with the rack portion; the driving device 4 can drive the shaft rod 2 to reciprocate along the length direction of the guide rail 31 through the meshed gears and the rack parts when rotating forwards and backwards. Specifically, the movement path length of the shaft 2, and thus the movement path length of the oven door 1, may be limited by the extension length of the rack portion.

Referring to fig. 3 and 4, the motor 41 and the reducer rotate, the gear part 5 rotates along with the output shaft, and the rack part on the shaft 2 is meshed with the gear part 5, so that the gear part 5 drives the shaft 2 to reciprocate along the axial direction of the shaft 2, and the shaft 2 drives the oven door 1 to open and close the oven opening.

The motion route of furnace gate 1 in this embodiment is the slant, can reserve the space in the mouth dead ahead of being convenient for manipulator blowing, material of getting.

As an alternative embodiment, referring to fig. 1 and 2, the moving parts are disposed at two ends of the oven door 1, the driving mechanism further includes a driving device 4, for the sake of structural compactness and cost reduction, the driving device 4 is disposed at one end of the oven door 1, i.e. the motor 41 and the speed reducer are disposed at only one end of the oven door 1, and an output shaft of the driving device 4 is in transmission connection with one of the moving parts; the driving mechanism further comprises a connecting shaft 6, as shown in fig. 5 and 6, the connecting shaft 6 extends along the length direction of the oven door 1, one end of the connecting shaft 6 is connected with an output shaft of the driving device 4, and the other end of the connecting shaft 6 is in transmission connection with the other moving part, so that the two moving parts move synchronously.

The output shaft of the speed reducer is in transmission connection with one of the moving parts, the output shaft of the speed reducer is also directly connected with the connecting shaft 6, the power of the output shaft is transmitted to the moving part at the other end through the connecting shaft 6, and the two moving parts are driven to synchronously move through the driving device 4, so that the stability of the movement of the furnace door 1 is ensured.

Specifically, referring to fig. 5, the shaft lever 2 and the gear portion 5 are disposed at both ends of the oven door 1, the driving device 4 (the motor 41 and the reducer 42) is disposed at one end of the oven door 1, and one of the gear portions 5 is disposed on an output shaft of the driving device 4; the driving mechanism further comprises a connecting shaft 6, the connecting shaft 6 extends along the length direction of the oven door 1, a first end of the connecting shaft 6 is connected with an output shaft of the driving device 4, and a second end of the connecting shaft 6 is connected with the other gear part 5, so that the two gear parts 5 rotate synchronously.

Referring to fig. 6, a gear part 5 is fixed on the output shaft of the speed reducer, and the gear part 5 rotates along with the rotation of the output shaft, so as to drive the shaft lever 2 on one side of the oven door 1 to move; reducer output shaft and connecting axle 6 lug connection, and the other end of connecting axle 6 extends to and is connected with the gear portion 5 of the furnace gate 1 other end, and connecting axle 6 transmits power to another gear portion 5 in step, and like this, the gear portion 5 at furnace gate 1 both ends is synchronous pivoted to make two axostylus axostyles 2 synchronous, syntropy move, make furnace gate 1 steady motion.

Above-mentioned actuating mechanism, except drive arrangement 4, 5 symmetrical structure in axostylus axostyle 2, casing 3 and gear portion need not to set up two drive arrangement 4, compact structure, and can guarantee that the axostylus axostyle 2 at 1 both ends of furnace gate is synchronous, syntropy removes, drives furnace gate 1 steady motion.

Example two

The present embodiment is an improvement on the first embodiment, in which the connecting shaft 6 plays a role of transmitting power and ensuring the synchronous movement of the shaft levers 2 at the two ends of the oven door 1. However, there are also problems: because axostylus axostyle 2 extends along the length direction of fire door to be located near the fire door, the heating furnace internal temperature is higher, makes the temperature of transmission shaft higher, consequently, need cool down the transmission shaft, prevent that the transmission shaft high temperature from influencing power transmission.

In view of the above, referring to fig. 6 and 7, the shaft tube 9 and the protecting jacket 10 are provided outside the connecting shaft 6, wherein: connecting axle 6 is rotatable setting in central siphon 9, and the lag 10 is located central siphon 9 outside and between the two encloses and be equipped with cavity body 11, as shown in fig. 7, cavity body 11 extends along the length direction of connecting axle 6, and cavity is internal to flow through there is the cooling water for lower the temperature to connecting axle 6.

The shaft tube 9, the connecting shaft 6 and the protecting sleeve 10 are coaxially arranged and arranged at intervals. The shaft tube 9 is used for protecting the connecting shaft 6 and preventing the connecting shaft 6 from being exposed outside and interfering with external components; and central siphon 9 and the outside lag 10 of central siphon 9 mutually support and form the cavity body 11, and the cooling water flows in the cavity body 11, and the cold volume in the cavity body 11 can be transmitted to connecting axle 6 through central siphon 9, cools down connecting axle 6, prevents that connecting axle 6 high temperature.

The specific shapes of the shaft tube 9 and the protective sleeve 10 are not limited, and the protective sleeve 10 can be fixedly arranged on the furnace body 100.

As an alternative embodiment, referring to fig. 6, the oven door structure further includes a water inlet pipe 7 and a water outlet pipe 8, wherein: referring to fig. 7, the water inlet pipe 7 and the water outlet pipe 8 are both communicated with the cavity body 11, the water inlet pipe 7 is used for introducing cooling water into the cavity body 11, and the water outlet pipe 8 is used for enabling the cooling water after heat exchange to flow out of the cavity body 11.

The water inlet pipe 7 is the same as the cavity body 11 and the connecting structure, and the water outlet pipe 8 is the same as the connecting structure of the cavity body 11, as shown in fig. 7, cold water enters the cavity body 11 from the water inlet pipe 7, and the cold water is prevented from directly contacting the connecting shaft 6 to influence the normal rotation of the connecting shaft 6. And the water inlet pipe 7 and the water outlet pipe 8 are both provided with control valves for controlling the conduction and the cut-off of the corresponding pipelines.

As an alternative embodiment, the connecting shaft 6 may include a section of shaft body or more than two sections of shaft bodies connected together; preferably, the connecting shaft 6 of the present embodiment includes more than two sections of shaft bodies, and the shaft bodies are connected with each other through a connecting rod or a coupling; with multistage axis body interconnect formation connecting axle 6, can prevent that the moment of torsion of connecting axle 6 is too big, guarantee relatively stable with power transmission to opposite side axostylus axostyle 2.

EXAMPLE III

In the present embodiment, referring to fig. 8, the heating furnace includes a furnace body 100 and the above furnace door structure, the furnace body 100 has a hearth for accommodating a workpiece, the hearth is provided with a furnace opening, and the furnace door 1 is arranged at the furnace opening.

According to the heating furnace, the furnace door 1 integrally moves to the oblique upper side or the oblique lower side of the furnace opening in a mode of being driven by the moving part, the discharging and the material taking are not influenced, the furnace door 1 does not need to be opened manually, and the working efficiency of discharging and the material taking is improved.

As an alternative embodiment, the furnace body 100 includes one or more than two hearths, when the furnace body 100 includes more than two hearths, all hearths are arranged in a vertical direction, and a furnace door 1 is arranged at a furnace opening of each hearth. Specifically, referring to fig. 8, the heating furnace body 100 in fig. 8 includes six hearth layers, and each hearth layer is provided with the above-mentioned furnace door structure.

All the driving devices 4 are electrically connected with a control unit, and the control unit is used for controlling one or more driving devices 4 to operate so as to switch one furnace door 1 or switch a plurality of furnace doors 1 simultaneously. The control unit can be a single chip microcomputer with a preset program stored in the control unit. Referring to fig. 8, the state shown in fig. 8 is a schematic state of opening the fourth floor oven door 1, and at this time, the manipulator with the end picker can move right ahead of the third floor oven cavity to complete the material taking and discharging actions.

The particular features, structures, or characteristics may be combined in any suitable manner in any one or more embodiments or examples.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.