CN113137861B - High-temperature ageing furnace - Google Patents

Abstract

The invention discloses a high-temperature aging furnace which can be applied to high-temperature aging test of a display panel; the high-temperature ageing furnace comprises a furnace body, a furnace door, a heating system and a control cabinet, wherein a plurality of rows and/or columns of lifting forks are arranged in the furnace body, the furnace door is composed of a plurality of louver buckling plates which are longitudinally arranged, both ends of each louver buckling plate are connected with a flip assembly and a lifting assembly, lifting mechanisms are arranged on both sides of the furnace door, an air cylinder and a push plate are fixedly arranged on the lifting mechanisms, and the push plate can drive the lifting assemblies and the flip assemblies to realize the opening and closing of the louver buckling plates at the corresponding height positions under the action of the lifting mechanisms and the air cylinder. The shutter of the high-temperature aging furnace is accurately opened and closed, so that a plurality of layers of products are sequentially taken and placed, heat loss is reduced, heat preservation is strong, and meanwhile, a heat circulation system is arranged, so that heat in the furnace body is uniformly and stably distributed.

Description

High-temperature ageing furnace

Technical Field

The invention belongs to the technical field of high-temperature aging tests, and particularly relates to a high-temperature aging furnace.

Background

The high-temperature aging box is mainly used for testing various performance indexes of parts and materials of products such as electronic electricians, automobiles, motorcycles, aerospace, rubber, plastics, metals, ship weapons, universities and colleges and universities, scientific research institutions and the like under the condition of high-temperature and constant-temperature change. As the key part of the ageing test, the high-temperature ageing furnace needs to meet the requirements of rapid heating and rapid heat removal, ensures the stability and uniformity of high temperature inside the furnace body, and simultaneously needs to reduce the heat loss in the high-temperature ageing test process as much as possible in consideration of the electric energy consumption of the heating of the furnace body, and simultaneously reduces the temperature influence of the high temperature on the whole factory room.

Taking a display panel as an example, the display panel needs to detect defects existing after optical appearance inspection and aging test in the manufacturing process flow, and the display panel is powered on to work for high-temperature aging after being put into an aging furnace body, so that the quality detection of products is realized. At present, most heating furnace bodies are not completely closed cavities, furnace doors of the furnace bodies are of an integral structure, and the furnace bodies can only take or put sheets once, so that a large amount of heat is lost, and meanwhile, the problems of temperature disorder, uneven distribution, long heating and cooling time and the like in the furnace bodies exist.

Disclosure of Invention

In view of the above-described deficiencies of the prior art, the present invention aims to: the high-temperature ageing furnace can accurately control the shutter furnace door to be opened and closed layer by layer, can take or put sheets layer by layer, reduces heat loss, forms a heat circulation system in the furnace body through the rearrangement heating system, has uniform and stable temperature distribution, and realizes rapid temperature rise and temperature reduction.

In order to achieve the above object, the present invention provides the following technical solutions:

the utility model provides a high temperature ageing furnace, includes furnace body, furnace gate, heating system and switch board, be equipped with the lift crotch of a plurality of rows and/or ranges in the furnace body, lift crotch fixed mounting is in the furnace body back wall to extend to the furnace gate, be used for lifting the work piece that awaits measuring, the furnace gate comprises a plurality of vertically arranged shutter buckling plates, the both ends of shutter buckling plate all are connected with flip subassembly, shutter buckling plate passes through flip subassembly swing joint in the furnace body both sides, flip subassembly outside all is equipped with and lifts the subassembly, the furnace gate both sides all are equipped with elevating system, the fixed cylinder that is equipped with on the elevating system, the telescopic link of cylinder is just to the position and is equipped with the push pedal, push pedal one side is through guide rail swing joint in elevating system, the push pedal can drive under elevating system and cylinder effect and lift subassembly, flip subassembly realization correspond shutter buckling plate's opening and closing, heating system installs in furnace body one side outside, and communicates with each other with the furnace body inside, the switch board fixed mounting is in the furnace body back.

Specifically, flip subassembly contains pivot and connecting plate, pivot one end fixed connection shutter buckling plate, the connecting plate center passes through the bearing and installs in the pivot middle section, and a set of gyro wheel of both sides fixed connection, it contains and lifts the board to lift the subassembly, it connects first bearing through the minor axis to lift board one end, and the other end fixed suit is in the pivot, pivot other end fixed connection second bearing, first bearing, second bearing outer end are all fixed through gasket, screw lock are spacing, still the cover is equipped with the axle sleeve in the pivot, the axle sleeve is located between the connecting plate and the lift board, and during operation, the push pedal promotes and lifts the board and rotate, makes shutter buckling plate upset certain angle, then continues to reciprocate under elevating system's drive, realizes opening, and when elevating system descends, shutter buckling plate descends under the action of gravity, realizes closing.

Sealing of the furnace body is achieved between every two adjacent shutters through a lap joint structure, and the lap joint structure is preferably a concave-convex cambered surface matching structure.

In addition, the flip component is movably connected to two sides of the furnace body through guide plates, the guide plates are fixedly arranged on two side walls of the furnace body, sliding grooves with one side open are longitudinally distributed on the guide plates, sliding groove seals are detachably arranged on the open sides of the sliding grooves, the rollers are in rolling connection in the sliding grooves, and the sliding grooves, the sliding groove seals and the bottoms of the sliding grooves define the running track and the limiting position when the shutter buckling plates are opened and closed, so that the opening and closing process is stable; the lifting mechanism comprises lifting tables, belt wheels, control motors and linear rails, wherein the two groups of belt wheels are arranged and are respectively installed on two sides of the top of the furnace body, the control motors are installed at the center of the top of the furnace body and drive the belt wheels through rotating shafts and drive the lifting tables through synchronous belts, air cylinders and pushing plates are installed on the lifting tables, the air cylinders are connected with first electromagnetic valves and used for controlling the air cylinders to move, the first electromagnetic valves are installed on the lifting tables, the linear rails are fixedly installed on two side walls of the furnace body, and the lifting tables linearly move along the linear rails.

Preferably, the top and the bottom of the furnace door are respectively provided with a plurality of induction opening and closing sensors for detecting the positions of specific shutter buckling plates and feeding back to the control cabinet to ensure the accuracy of the opening and closing positions, and the induction opening and closing sensors are fixed on the top surface and the bottom of the furnace body through connecting pieces.

Further, the heating system is a thermal circulation system and comprises a heat transfer fan, an exhaust valve, a left diversion air channel, a guide plate, a diversion fan and a backflow port, wherein the heat transfer fan and the exhaust valve are both communicated with the left diversion air channel, the guide plate is arranged below a lifting crotch and forms a bottom diversion air channel with the bottom surface of the furnace body, the left diversion air channel is communicated with the bottom diversion air channel, the diversion fan is arranged on the right side of the furnace body, a plurality of diversion fans are longitudinally arranged along the side surface, and the backflow port is positioned above the left diversion air channel and is communicated with the left diversion air channel, and the exhaust valve is controlled by a second electromagnetic valve; the high-temperature air generated by the heat transfer fan reaches the right side in the furnace body through the left side flow guide air channel and the bottom flow guide air channel, the high-temperature air reaches between each layer of tested elements under the action of a plurality of parallel flow guide fans, and finally returns to the heat transfer fan through the backflow port to realize cyclic heating, when the furnace body does not need to be heated, the heat transfer fan is closed, the exhaust valve is opened through the second electromagnetic valve, and rapid heat dissipation is completed.

Further, an air quantity adjusting plate is arranged at the inner bottom of the left diversion air duct, a heating system electrical box is arranged at the outer side of the left diversion air duct, a temperature detection system is arranged in the heating system electrical box and is electrically connected with a temperature sensor, a plurality of groups of temperature sensors are arranged in the furnace body so as to monitor the temperature distribution condition in the furnace body, and meanwhile, the air quantity adjusting plate is adjusted so as to adjust the size of an air outlet according to temperature monitoring, so that the air outlet flow is adjusted; the furnace body is a frame structure, a heat insulation wall body is arranged on the periphery of the furnace body, and the bottom of the furnace body is provided with a double-layer heat insulation plate, so that the temperature loss of the furnace body and the influence on the surrounding environment are reduced.

Preferably, the guide plate is a porous plate, so that a small part of high-temperature air in the guide air duct at the bottom is transmitted to the right upper part.

Preferably, the left side diversion air duct is provided with an expanding section, the upper part and the lower part of the left side diversion air duct are connected through a trapezoid pipeline, the cross-sectional area of the upper part is smaller than that of the lower part, and the reduction of the cross-sectional area of the upper part enables the air outlet flow velocity of the heat transfer fan to be increased because the heat transfer fan is positioned at the upper part.

Further, the furnace body rear wall is fixedly provided with a plurality of fork connecting plates, the fork connecting plates are fixedly connected with a bar-shaped rod extending towards the furnace door direction, the lifting fork is fixedly sleeved on the bar-shaped rod, and preferably, the lifting fork is of a hollow structure, the lifting fork is made of aluminum, the hollow structure is good in strength, the weight bending deformation is small, the lifting fork is light in weight, the cost is reduced, and the overall stability of the furnace body is improved.

Further, the switch board is independent enclosure space, avoids the influence of in-furnace high temperature to controlling means, and its top and both sides face evenly distributed a plurality of radiators, the furnace body both sides are equipped with the wire casing for the wire rod arrangement of switch board and heating system electrician's case, and the furnace body bottom four corners is equipped with truckle and leveling lower margin, furnace body bottom both sides limit is equipped with fixing bolt, the heating chamber outer wall both sides are equipped with furnace body locking panel beating for the leveling and the fixed of the removal and the installation of furnace body.

Compared with the prior art, the invention has the beneficial effects that:

1. according to the high-temperature ageing furnace, the furnace door is of the shutter structure, and the shutter furnace door which is opened and closed layer by layer is accurately controlled in the material taking and discharging process of the whole furnace body through the cooperation of the flip component, the lifting component and the lifting mechanism, so that the loss of furnace temperature and energy waste are reduced.

2. According to the high-temperature ageing furnace, the heating system is rearranged to form the thermal circulation system in the furnace body, so that rapid heating and cooling, uniformity and stability of the temperature in the furnace are realized, and the heating system electrical box is arranged to monitor and control the temperature in real time.

3. According to the high-temperature ageing furnace disclosed by the invention, the control cabinet is independently arranged on the back of the furnace body, so that the influence of high temperature in the furnace on a control device is avoided, the heat dissipation of the control cabinet is enhanced through a plurality of heat radiators, and the service life of the furnace body is prolonged.

Drawings

In order to more clearly illustrate the technical solutions of specific embodiments of the present invention, the drawings that are needed in the description of the embodiments will be briefly described below, and it is obvious that the drawings described below are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort to a person of ordinary skill in the art.

FIG. 1 is a schematic diagram of the structure of the present invention;

FIG. 2 is a schematic view of the internal structure of the furnace body of the present invention;

FIG. 3 is an enlarged view of FIG. 1 at A;

FIG. 4 is an enlarged view at B in FIG. 1;

FIG. 5 is a schematic view of a shutter release plate and a flip cover assembly according to the present invention;

FIG. 6 is a schematic view of the connection of the blind buckling plates according to the present invention;

FIG. 7 is a schematic view of the structure of the lift assembly and flip assembly of the present invention;

FIG. 8 is a schematic diagram of a heating system according to the present invention;

FIG. 9 is a schematic diagram of a heating system according to the present invention;

FIG. 10 is a schematic view showing the internal structure of the heating chamber of the present invention.

Reference numerals: the heat radiator comprises the following components of a furnace body, 11-lifting crotch connecting plates, 121-bar rods, 13-leveling feet, 14-fixing bolts, 15-casters, 16-furnace body locking metal plates, 17-wire grooves, 2-furnace doors, 21-shutter buckling plates, 201-first protrusions, 202-second protrusions, 211-flip cover components, 212-connecting plates, 2120-rollers, 213-rotating shafts, 214-shaft sleeves, 22-lifting components, 221-lifting plates, 222-first bearings, 223-second bearings, 23-guide plates, 231-sliding grooves, 232-sliding groove seals, 24-sensing opening and closing sensors, 3-lifting mechanisms, 31-lifting platforms, 32-cylinders, 321-push plates, 3210-push plate sliding rails, 322-first electromagnetic valves, 33-pulleys, 34-control motors, 35-wire rails, 4-heating systems, 41-heat transfer fans, 42-exhaust valves, 421-second electromagnetic valves, 43-heating system boxes, 44-left side guide air channels, 441-air volume adjusting plates, 45-guide plates, 46-guide fans, 47-exhaust valves, 5-return vents, 5-6-heat radiator panels, and 100-heat radiator bodies.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and fully, and it is apparent that the embodiments described are only some, but not all, of the embodiments of the present invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Embodiment one:

the high-temperature aging furnace shown in the combination of fig. 1-5 comprises a furnace body 1, a furnace door 2, a heating system 4 and a control cabinet 6, wherein the control cabinet 6 is of an independent structure arranged on the back of the furnace body 1, a plurality of radiators 61 are uniformly distributed on the top and two side surfaces of the control cabinet 6, the heating system 4 is positioned on one side of the furnace body 1 and is used for supplying heat to the interior of the furnace body 1, a plurality of rows of crotch connecting plates 12 are fixedly arranged on the rear wall of the furnace body 1, a plurality of strip rods 121 extending towards the furnace door direction are fixedly connected to the crotch connecting plates 12, lifting crotch 11 is fixedly sleeved on the strip rods 121, and the display panel 100 is placed on the lifting crotch 11 during testing. The furnace door 2 is composed of a plurality of shutter buckling plates 21 which are longitudinally arranged, two ends of each shutter buckling plate 21 are connected with a flip component 211, and the outer sides of the flip components 211 are connected with a lifting component 22.

Referring to fig. 3-5, the flip assembly 211 includes a rotating shaft 213 and a connecting plate 212, one end of the rotating shaft 213 is fixedly connected with a shutter buckling plate 21, the center of the connecting plate 212 is mounted on the middle section of the rotating shaft 213 through a bearing, two sides of the connecting plate are fixedly connected with a set of rollers 2120, the lifting assembly 22 includes a lifting plate 221, one end of the lifting plate 221 is connected with a first bearing 222 through a short shaft, the other end of the lifting plate is fixedly sleeved on the rotating shaft 213, the other end of the rotating shaft 213 is fixedly connected with a second bearing 223, the outer ends of the first bearing 222 and the second bearing 223 are locked and limited through gaskets and screws, the rotating shaft 213 is further sleeved with a shaft sleeve 214, the shaft sleeve 214 is located between the connecting plate 212 and the lifting plate 221 and used for limiting the lifting plate 221, the flip assembly 211 is further connected with a guide plate 23, the guide plate 23 is fixedly mounted on two side walls of the furnace body 1, the guide plate 23 is longitudinally provided with a chute 231 with an opening on one side, the roller 2120 is connected in a rolling way in the chute 231, a chute seal 232 is detachably mounted on the opening side of the chute 231, and the chute seal 232 determines the movement path and the limit position of the roller 212. In this embodiment, the lifting plate 221 is fixedly sleeved on the rotating shaft 213 through a square hole, the rotating shaft 213 is milled into a square section at a corresponding position, and in practice, fixation can be achieved through a key connection or a pin, etc.

As shown in fig. 1 and 3, lifting mechanisms 3 are respectively arranged on two sides of the oven door 2, each lifting mechanism 3 comprises a lifting table 31, a belt pulley 33, a control motor 34 and a linear rail 35, each belt pulley 33 is provided with two groups, each belt pulley 33 is respectively arranged on two sides of the top of the oven body 1, each control motor 34 is arranged at the center of the top of the oven body 1, the belt pulley 33 is driven through a rotating shaft, the lifting table 31 is driven through a synchronous belt, the lifting table 31 is connected to the synchronous belt through a fixed plate, an air cylinder 32 and a push plate 321 are arranged on the lifting table 31, the air cylinder 32 is controlled by a first electromagnetic valve 322, the first electromagnetic valve 322 is arranged on the lifting table 31, the linear rails 35 are fixedly arranged on two side walls of the oven body 1, and the lifting table 31 moves linearly along the linear rails 35. When the shutter buckling plate 21 is started to rotate, the shutter buckling plate 21 is driven to overturn by a certain angle through the rotating shaft 213, under the continuous upward movement of the lifting mechanism 3, the shutter buckling plate 21 moves upwards along the sliding groove 231 under the limiting action of the roller 2120 to finish the opening action, the display panel of the corresponding layer is put in or taken down, the lifting mechanism 3 starts to descend, the shutter buckling plate 21 returns to the bottom limit along the sliding groove 231 under the action of gravity to finish the closing action, the telescopic rod of the air cylinder 32 contracts, the push plate 321 returns to the initial position along the push plate sliding rail 3210 to circulate in sequence, the opening and closing of the corresponding shutter buckling plate 21 are finished, the heat loss during taking and putting the display panel is reduced, and the energy waste and the influence on the external working environment are avoided. In the whole process, the control cabinet 6 receives the opening and closing information of the shutter buckling plate 21 fed back by the induction opening and closing sensor 24, and controls and corrects the control motor 34.

As shown in fig. 5 and 6, the upper end of the shutter buckling plate 21 is provided with an inward first protrusion 201, the lower end is provided with an outward second protrusion 202, and each two adjacent shutter buckling plates 21 form a lap joint structure after being buckled, so that the sealing effect is further enhanced.

As shown in fig. 1, wire grooves 17 are formed in two sides of the furnace body 1 and used for arranging wires outside the furnace body 1, casters 15 and leveling feet 13 are arranged at four corners of the bottom of the furnace body 1, fixing bolts 14 are arranged on two sides of the bottom of the furnace body 1, furnace body locking metal plates 16 are arranged on two sides of the outer wall of the heating chamber 41 and used for leveling and fixing the movement and installation of the furnace body.

Embodiment two:

the difference from the first embodiment is that the heating system 4 of the present embodiment adopts a thermal circulation system, and is shown in fig. 8-10 (in which, the lifting fork is omitted in fig. 8), the heating system 4 includes a heat transfer fan 41, an exhaust valve 42, a left side air guiding duct 44, a deflector 45, a guiding fan 46 and a backflow port 47, the heat transfer fan 41 and the exhaust valve 42 are both communicated with the left side air guiding duct 44, the deflector 45 is installed below the lifting fork 11, forms a bottom air guiding duct with the bottom surface of the furnace body 1, the left side air guiding duct 44 is communicated with the bottom air guiding duct, the guiding fan 46 is installed on the right side of the furnace body 1, and a plurality of air guiding fans are longitudinally arranged along the side surface, the backflow port 47 is located above the left side air guiding duct 44 and is communicated with the left side air guiding duct 44, and the exhaust valve is controlled by a second electromagnetic valve 421. As shown by the arrow direction in fig. 8 and 9, when in operation, the high temperature air generated by the heat transfer fan 41 reaches the right side in the furnace body through the left side guide air duct 44 and the bottom guide air duct, and under the action of the parallel guide fans 46, the high temperature air reaches between each layer of display panels, and finally returns to the heat transfer fan 41 through the return port 47, so that the circulating heating is realized, when the furnace body does not need to be heated, the heat transfer fan 41 is closed, the exhaust valve 42 is opened through the second electromagnetic valve 421, and the rapid heat dissipation is completed.

Further, the heating system electrical box 43 is arranged on the outer side of the left side diversion air duct 44, a temperature detection system is arranged in the heating system electrical box 43, the temperature detection system is electrically connected with a temperature sensor, a plurality of groups of temperature sensors are arranged in the furnace body 1 and used for monitoring the uniformity and stability of temperature distribution in the furnace body 1 in real time, an air quantity adjusting plate 441 is arranged in the inner bottom of the left side diversion air duct 44 and can adjust the air quantity adjusting plate 441 to adjust the air outlet according to the temperature monitoring result, so that the air outlet flow quantity is adjusted, in addition, the upper part and the lower part of the left side diversion air duct 44 are connected through a trapezoid pipeline, the cross section area of the upper part is smaller than the cross section area of the lower part, the flow speed of an air outlet of a heat delivery fan in the heating chamber 41 can be increased, and the whole furnace body heat is promoted to form a closed loop reflux.

Preferably, as shown in fig. 2, the deflector 45 is a porous plate, so that a small portion of the high-temperature air in the bottom deflector duct can be transported directly above.

Further, the furnace body 1 is a frame structure, a heat insulation wall body is arranged on the periphery of the furnace body, the bottom of the furnace body 1 is provided with a double-layer heat insulation plate 5, and the temperature loss of the furnace body is reduced, so that the energy waste is reduced, and meanwhile, the influence of heat exchange on the surrounding environment is avoided.

The high-temperature aging furnace for the display panel provided by the invention is described in detail, specific examples are applied to the description of the structure and the working principle of the invention, the description of the embodiment is only used for helping to understand the method and the core idea of the invention, and the high-temperature aging furnace can be applied to the aging detection of the display panel and the aging detection of other materials and components. It should be noted that it will be apparent to those skilled in the art that various improvements and modifications can be made to the present invention without departing from the principles of the invention, and such improvements and modifications fall within the scope of the appended claims.

Claims (9)

1. The high-temperature aging furnace comprises a furnace body (1), a furnace door (2) and a heating system (4), wherein the furnace door (2) is arranged on the furnace body (1), and is characterized in that the furnace door (2) is composed of a plurality of shutter buckling plates (21), two ends of each shutter buckling plate (21) are connected with flip components (211), and the shutter buckling plates (21) are movably connected to two sides of the furnace body (1) through the flip components (211); the outer sides of the flip cover assemblies (211) are connected with lifting assemblies (22), the lifting assemblies (22) comprise lifting plates (221), the lifting plates (221) are pushed to rotate, the shutter buckling plates (21) are enabled to overturn, and opening and closing of the shutter buckling plates (21) are achieved correspondingly; the flip component (211) comprises a rotating shaft (213) and a connecting plate (212), one end of the rotating shaft (213) is fixedly connected with a shutter buckling plate (21), the center of the connecting plate (212) is arranged at the middle section of the rotating shaft (213) through a bearing, and two sides of the connecting plate are fixedly connected with a group of rollers (2120); one end of the lifting plate (221) is connected with the first bearing (222) through a short shaft, the other end of the lifting plate is fixedly sleeved on the rotating shaft (213), and the other end of the rotating shaft (213) is fixedly connected with the second bearing (223).

2. The high-temperature aging furnace according to claim 1, wherein a plurality of rows and/or columns of lifting forks (11) are arranged in the furnace body (1), and the lifting forks (11) are fixedly arranged on the rear wall of the furnace body (1) and extend towards the furnace door (2) for lifting a workpiece to be tested.

3. The high-temperature aging furnace according to claim 1, wherein the outer ends of the first bearing (222) and the second bearing (223) are locked and limited through gaskets and screws, the rotating shaft (213) is further sleeved with a shaft sleeve (214), and the shaft sleeve (214) is positioned between the connecting plate (212) and the lifting plate (221).

4. A high temperature ageing oven according to claim 3, wherein the flip component (211) is movably connected to two sides of the oven body (1) through a guide plate (23), the guide plate (23) is fixedly installed on two side walls of the oven body (1), a chute (231) with an opening at one side is longitudinally distributed on the guide plate (23), a chute seal (232) is detachably installed at the opening side of the chute (231), and the roller (2120) is installed in the chute (231) in a rolling way.

5. The high-temperature aging furnace as claimed in claim 1, further comprising a lifting mechanism (3), wherein the lifting mechanism (3) comprises a lifting table (31), belt wheels (33), a control motor (34) and a wire rail (35), the belt wheels (33) are provided with two groups, the two groups are respectively arranged at two sides of the top of the furnace body (1), the control motor (34) is arranged at the center of the top of the furnace body (1), the belt wheels (33) are driven by a rotating shaft, and the lifting table (31) is driven by a synchronous belt; the lifting mechanism (3) is fixedly provided with an air cylinder (32), a push plate (321) is arranged at the right opposite position of a telescopic rod of the air cylinder (32), one side of the push plate (321) is movably connected to the lifting mechanism (3) through a guide rail, and the air cylinder (32) pushes the push plate (321) to move below the lifting assembly (22); the lifting device is characterized in that the air cylinder (32) and the pushing plate (321) are arranged on the lifting table (31), the air cylinder (32) is connected with a first electromagnetic valve (322), the first electromagnetic valve (322) is arranged on the lifting table (31), the wire rail (35) is fixedly arranged on two side walls of the furnace body (1), and the lifting table (31) moves linearly along the wire rail (35).

6. The high-temperature aging furnace as claimed in claim 1, wherein the heating system (4) is a hot air circulation system and comprises a heat transfer fan (41), an exhaust valve (42), a left side guide air channel (44), a guide plate (45), a guide fan (46) and a backflow port (47), wherein the heat transfer fan (41) and the exhaust valve (42) are both communicated with the left side guide air channel (44), the guide plate (45) is arranged below a lifting crotch (11) and forms a bottom guide air channel with the bottom surface of the furnace body (1), the left side guide air channel (44) is communicated with the bottom guide air channel, the guide fan (46) is arranged on the right side of the furnace body (1) and is longitudinally provided with a plurality of backflow ports along the side surface, and the backflow ports (47) are arranged above the left side guide air channel (44) and are communicated with the left side guide air channel (44).

7. The high temperature aging oven as recited in claim 6, wherein said left side guide duct (44) has an enlarged diameter section.

8. The high temperature ageing oven according to any one of claims 1-7, characterized in that the top and/or bottom of the oven door (2) is provided with several inductive opening and closing sensors (24).

9. The high-temperature ageing oven according to any one of claims 1-7, further comprising a heating system electrical box (43), wherein a temperature control system is arranged in the heating system electrical box (43), and wherein the temperature control system is electrically connected with a plurality of sets of temperature sensors arranged in the oven body (1).