Aluminum bar heating furnace and aluminum bar heat treatment equipment

Abstract

The utility model provides an aluminum bar heating furnace and aluminum bar heat treatment equipment, the aluminum bar heating furnace comprises a furnace body, a bearing plate, a furnace door and a stop part, and the furnace body is provided with a feed port and a discharge port; the bearing plate is obliquely and fixedly arranged in the furnace body and used for bearing aluminum bars. The multiple furnace doors are arranged between the top plate and the bearing plate of the furnace body in parallel at intervals in the first direction; each furnace door sequentially divides the furnace body into a low-temperature area, a medium-temperature area, a high-temperature area and a heat preservation area in the first direction. The multiple stopping parts are arranged on the bearing plate in parallel at intervals in the first direction, each stopping part is connected with a second linear driving part, and the second linear driving parts drive the stopping parts to penetrate through the bearing plate in a lifting mode. According to the aluminum bar heating furnace provided by the utility model, preheating, heating, high-temperature homogenizing and cooling treatment and three-stage gradient heating are sequentially carried out on an aluminum bar, so that the crystal structure in the aluminum bar is improved, the internal stress of the aluminum bar is eliminated, and the uniformity and consistency of chemical components and crystal structures of the aluminum bar are ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of profile processing, in particular to an aluminum rod heating furnace and aluminum rod heat treatment equipment. Background Art

[0002] The long rod heating furnace is used in the pre-extrusion process of aluminum extrusion, mainly for heating aluminum rods. The existing aluminum rod heating furnace heats the aluminum rods before extrusion, and the heating temperature is far lower than the solidus heating temperature, which cannot play a role in homogenizing the cast rods, resulting in the disadvantages of greater extrusion force, lower extrusion speed, reduced profile performance, shorter die life, and poor profile surface quality during the extrusion process. Utility Model Content

[0003] The first aspect of the utility model provides an aluminum rod heating furnace. The existing aluminum rod heating furnace heats the aluminum rods before extrusion, but cannot homogenize the cast rods, resulting in technical problems such as high extrusion force, reduced extrusion speed, reduced profile performance, short mold life, and poor profile surface quality during the extrusion process.

[0004] The utility model provides an aluminum rod heating furnace, comprising:

[0005] A furnace body having a feed inlet and a discharge outlet;

[0006] A carrying plate is fixedly arranged in an inclined manner in the furnace body and is used to carry the aluminum bars; an end of the carrying plate close to the discharge port is lower than an end of the carrying plate away from the discharge port;

[0007] A furnace door, which has a plurality of doors and is arranged in parallel and spaced apart along a first direction between the top plate of the furnace body and the bearing plate; each of the furnace doors is connected to a first linear driving component, which is fixed to the furnace body, and drives the furnace door to rise and fall and penetrate the top plate; each of the furnace doors divides the furnace body into a low-temperature zone, a medium-temperature zone, a high-temperature zone and a heat preservation zone in sequence along the first direction, the feed port is arranged on the side wall of the low-temperature zone, and the discharge port is arranged on the side wall of the heat preservation zone; and,

[0008] A plurality of stoppers are provided on the carrier plate in parallel and at intervals along the first direction, each of the stoppers is connected to a second linear driving component, and the second linear driving component drives the stoppers to rise and fall and penetrate the carrier plate;

[0009] The first direction refers to the horizontal conveying direction of the aluminum rod.

[0010] Furthermore, the insulation zone is provided with a first transmission component, and the first transmission component is used to transmit the aluminum rod to the outside of the discharge port along a second direction, and the second direction refers to the axial direction of the aluminum rod and the second direction is perpendicular to the first direction.

[0011] Furthermore, a detection component is provided in the furnace body, and there are multiple detection components. Each detection component is used to detect whether there is the aluminum rod at the position corresponding to the stopper, and each detection component is electrically connected to the second linear driving component.

[0012] Further, the detection component is an ultrasonic sensor or a laser radar sensor;

[0013] And / or, the detection component is fixed to the top plate or the detection component is fixed to the stopper.

[0014] Furthermore, a partition is connected below the carrying plate, and a first cavity is formed between the partition and the carrying plate;

[0015] The support plate located in the heat preservation zone is provided with a first through hole, and the support plate located in the low temperature zone is provided with a second through hole. The first through hole, the first cavity and the second through hole are connected to realize thermal circulation between the heat preservation zone and the low temperature zone.

[0016] Furthermore, a second cavity is formed between the bottom plate of the furnace body and the partition, the second linear drive component is fixed to the bottom plate, and a power output end of the second linear drive component extends out of the partition and is connected to the stopper.

[0017] Furthermore, a top plate located in the heat preservation zone is provided with a first air outlet, and the first air outlet is connected to a fan;

[0018] And / or, the top plates located in the low temperature zone, the medium temperature zone, and the high temperature zone all have second air outlets, and the second air outlets are connected to a circulation fan, and the circulation fan is used to make the low temperature zone, the medium temperature zone, and the high temperature zone exchange heat with the outside respectively;

[0019] And / or, the low temperature zone, the medium temperature zone, the high temperature zone and the heat preservation zone are all provided with temperature sensors, and the temperature sensors are used to detect the temperature of each zone and the temperature of the aluminum rods provided in each zone;

[0020] And / or, the temperature range of the low temperature zone is between 0°C and 300°C; the temperature range of the medium temperature zone is between 0°C and 400°C; the temperature range of the high temperature zone is between 0°C and 600°C;

[0021] And / or, the top plate is provided with a guide assembly, the guide assembly has a plurality of groups, each group of the guide assembly comprises a first guide plate and a second guide plate spaced apart along the first direction, and the furnace door is slidably connected between the first guide plate and the second guide plate;

[0022] And / or, the supporting plate includes a first inclined plate, a second inclined plate and a third inclined plate which are interconnected, the inclination angle of the second inclined plate is less than or equal to the inclination angle of the first inclined plate, which is less than or equal to the inclination angle of the third inclined plate; the first inclined plate is arranged in the low temperature zone; the second inclined plate is arranged in the medium temperature zone and the high temperature zone; the third inclined plate is arranged in the insulation zone.

[0023] The utility model provides an aluminum rod heating furnace, which has at least the following beneficial technical effects:

[0024] (1) On the one hand, the furnace body is divided into a low temperature zone, a medium temperature zone, a high temperature zone and a heat preservation zone, and pretreatment, heating treatment, high temperature homogenization treatment and cooling treatment are carried out in the low temperature zone, the medium temperature zone and the high temperature zone in turn, and the three-level gradient heating is used to improve the crystal structure inside the aluminum rod, eliminate the casting internal stress of the aluminum rod, reduce segregation, and ensure the uniformity of the chemical composition and crystal structure of the aluminum rod; on the other hand, by setting a stopper, the aluminum rod is blocked or adjacent aluminum rods are separated to avoid overlapping between the aluminum rods, so as to ensure uniform heating of the surface of the aluminum rod and enable the aluminum rod to move smoothly between the zones;

[0025] (2) The heat released from the insulation zone provides heat for the preheating treatment in the low-temperature zone, saving energy and realizing energy recycling.

[0026] The second aspect of the utility model provides an aluminum rod heat treatment device, comprising a second transmission component, a shearing device, a quenching device and the aluminum rod heating furnace described in any one of the above items, wherein the shearing device is fixedly arranged on the second transmission component, the second transmission component is used to receive the aluminum rod of the first transmission component and convey it to the shearing device, the shearing device is used to saw the received aluminum rod into sub-aluminum rods of a set length; the second transmission component is also used to convey the sub-aluminum rods to the quenching device, and the quenching device is used to cool the received sub-aluminum rods to a set temperature.

[0027] Furthermore, the quenching device includes a cooling box and a cover body, the cover body is liftable and arranged above the cooling box, the cover body is provided with a water cooling nozzle, and the water cooling nozzle is connected to a water inlet pipe.

[0028] Furthermore, the cooling box is provided with a guide rail, the guide rail is slidably connected with a slider, and the cover body is fixed to the slider.

[0029] The utility model provides an aluminum rod heat treatment device, which has at least the following beneficial technical effects:

[0030] (1) The aluminum bar is subjected to preheating treatment, heating treatment, high-temperature homogenization treatment and primary cooling treatment in an aluminum bar heating furnace, and then transported to a quenching device for secondary cooling to reduce the surface temperature of the aluminum bar, avoid high surface temperature of the aluminum bar, and improve the extrusion performance of the aluminum bar;

[0031] (2) The overall temperature of the outer surface of the aluminum rod is low, while the internal temperature is high, which complements the temperature rise caused by the friction between the outer surface of the cast rod and the extrusion barrel during extrusion, making the temperature of the extruded aluminum profile consistent and ensuring constant temperature extrusion of the aluminum profile. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] Figure 1 An axial schematic diagram of an aluminum rod heating furnace provided in an embodiment of the utility model;

[0033] Figure 2 A schematic diagram of the side structure of an aluminum rod heating furnace provided in an embodiment of the utility model;

[0034] Figure 3 for Figure 1 A partial enlarged schematic diagram in the middle;

[0035] Figure 4 for Figure 1 A partial enlarged schematic diagram of point B in the middle;

[0036] Figure 5 The present invention is a schematic diagram of an axial side view of an aluminum rod heat treatment equipment provided in an embodiment of the present invention.

[0037] Description of reference numerals:

[0038] 10. furnace body; 100. furnace door; 101. first cavity; 102. second cavity; 103. temperature sensor; 104. detection component; 105. first through hole; 106. second through hole; 107. first linear drive component; 110. low temperature zone; 111. circulation fan; 120. medium temperature zone; 130. high temperature zone; 140. insulation zone; 141. first transmission component; 142. fan; 150. top plate; 151. guide component; 160. bearing plate; 161. stopper; 162. second linear drive component; 170. partition; 20. second transmission component; 30. shearing device; 40. quenching device; 410. cooling box; 411. guide rail; 412. slider; 420. cover body; 422. water inlet pipe. DETAILED DESCRIPTION

[0039] In order to make the above-mentioned purpose, features and advantages of the present invention more obvious and easy to understand, the following is a brief description of the present invention in conjunction with the attached Figure 1—5 The specific embodiments of the present invention are described in detail.

[0040] In the present invention, the terms "connection" and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integrated structure.

[0041] In the present invention, terms such as "inside", "outside", "upper" and "lower" indicating directions or positional relationships are based on the directions or positional relationships shown in the accompanying drawings and are only for the convenience of describing the present invention and simplifying the description. They do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they should not be understood as limitations on the present invention.

[0042] The utility model embodiment provides an aluminum rod heating furnace, see attached Figure 1 The aluminum rod heating furnace comprises a furnace body 10, a carrying plate 160, a furnace door 100 and a stopper 161; the furnace body 10 has a feed port and a discharge port; the carrying plate 160 is tilted and fixed in the furnace body 10 for carrying aluminum rods; one end of the carrying plate 160 close to the discharge port is lower than the end of the carrying plate 160 away from the discharge port; the furnace door 100 has a plurality of top plates 150 and the carrying plate 160 arranged in parallel and spaced along a first direction between the furnace body 10; each furnace door 100 is connected to a first linear driving component 107, the first linear driving component 107 is fixed to the furnace body 10, and the first linear driving component 107 drives the furnace The door 100 is raised and lowered and passes through the top plate 150; each furnace door 100 divides the furnace body 10 into a low-temperature zone 110, a medium-temperature zone 120, a high-temperature zone 130 and a heat preservation zone 140 in sequence along the first direction, the feed port is arranged on the side wall of the low-temperature zone 110, and the discharge port is arranged on the side wall of the heat preservation zone 140; and, the stopper 161 has multiple and is arranged on the supporting plate 160 in parallel and at intervals along the first direction, each stopper 161 is connected to a second linear driving component 162, and the second linear driving component 162 drives the stopper 161 to rise and fall and pass through the supporting plate 160; wherein, the first direction refers to the horizontal conveying direction of the aluminum rod.

[0043] It should be noted that the first linear driving component 107 is an electric push rod or a cylinder; the second linear driving component 162 is an electric push rod or a cylinder.

[0044] It should be noted that the stopper 161 is used to block the aluminum rod or separate adjacent aluminum rods.

[0045] It should be noted that the feed port is provided with a feed furnace door 100, and the feed furnace door 100 is connected with a driving component, and the driving component is used to control the opening or closing of the feed furnace door 100; the discharge port is provided with a discharge furnace door 100, and the discharge furnace door 100 is connected with a driving component, and the driving component is used to control the opening or closing of the feed furnace door 100.

[0046] An aluminum rod heating furnace provided by an embodiment of the utility model, on the one hand, divides the furnace body 10 into a low temperature zone 110, a medium temperature zone 120, a high temperature zone 130 and a heat preservation zone 140, and performs pretreatment, heating treatment, high temperature homogenization treatment and cooling treatment in the low temperature zone 110, the medium temperature zone 120 and the high temperature zone 130 in sequence, and the three-level gradient heating improves the crystalline structure inside the aluminum rod, eliminates the casting internal stress of the aluminum rod, reduces segregation, and ensures the uniformity of the chemical composition and crystal structure of the aluminum rod; on the other hand, by providing a stopper 161, it is possible to block the aluminum rod or separate adjacent aluminum rods, avoid overlapping between the aluminum rods, ensure that the surface of the aluminum rod is evenly heated, and enable the aluminum rod to move smoothly between the zones.

[0047] In one implementation of the present utility model, the stopper 161 is a baffle with an integrated structure.

[0048] In another implementation of the embodiment of the utility model, the stopper 161 is a plurality of stop rods spaced apart along the second side.

[0049] See attached Figure 2 In the embodiment of the utility model, the insulation zone 140 is provided with a first transmission component 141, and the first transmission component 141 is used to transmit the aluminum rod to the outside of the discharge port along the second direction. The second direction refers to the axial direction of the aluminum rod and the second direction is perpendicular to the first direction.

[0050] See attached Figure 4 In the embodiment of the utility model, a detection component 104 is provided in the furnace body 10, and there are a plurality of detection components 104, each detection component 104 is used to detect whether there is an aluminum bar at a position corresponding to the stopper 161, and each detection component 104 is electrically connected to the second linear driving component 162. In this way, the stopper 161 is automatically moved without the need for workers to operate, thereby reducing the labor intensity of workers.

[0051] In the embodiment of the utility model, the detection component 104 is an ultrasonic sensor or a laser radar sensor.

[0052] In one implementation of the present invention, the detection component 104 is fixed to the top plate 150 .

[0053] In another implementation of the present invention, the detection component 104 is fixed to the stopper 161 .

[0054] See attached Figure 2In the embodiment of the utility model, a partition 170 is connected below the carrier plate 160, and a first cavity 101 is formed between the partition 170 and the carrier plate 160; the carrier plate 160 located in the heat preservation zone 140 is provided with a first through hole 105, and the carrier plate 160 located in the low temperature zone 110 is provided with a second through hole 106, and the first through hole 105, the first cavity 101 and the second through hole 106 are connected to realize the thermal cycle of the heat preservation zone 140 and the low temperature zone 110. In this way, the heat released by the heat preservation zone 140 provides heat for the preheating treatment of the low temperature zone 110, saving energy and realizing energy reuse.

[0055] See attached Figure 2 In the embodiment of the utility model, a second cavity 102 is formed between the bottom plate of the furnace body 10 and the partition 170 , the second linear drive component 162 is fixed to the bottom plate, and the power output end of the second linear drive component 162 extends out of the partition 170 and is connected to the stopper 161 .

[0056] It should be noted that the partition plate 170 is disposed above the bottom plate.

[0057] It should be noted that there are multiple second linear driving components 162 , and the multiple second linear driving components 162 are arranged at intervals along the second direction.

[0058] See attached Figure 1 In the embodiment of the utility model, the top plate 150 located in the heat preservation area 140 is provided with a first air outlet, and the first air outlet is connected to the fan 142.

[0059] See attached Figure 1 In the embodiment of the utility model, the top plates 150 located in the low temperature zone 110, the medium temperature zone 120, and the high temperature zone 130 all have second air outlets, and the second air outlets are connected to the circulating fans 111. The circulating fans 111 are used to exchange heat between the low temperature zone 110, the medium temperature zone 120, and the high temperature zone 130 and the outside respectively.

[0060] See attached Figure 2 In the embodiment of the utility model, the low temperature zone 110, the medium temperature zone 120, the high temperature zone 130 and the insulation zone 140 are all provided with temperature sensors 103, and the temperature sensors 103 are used to detect the temperature of each zone and the temperature of the aluminum rods arranged in each zone.

[0061] In the embodiment of the utility model, the furnace body 10 is provided with a controller, and the controller is electrically connected to the temperature sensor 103, the detection component 104, the first linear driving component 107 and the second linear driving component 162 respectively.

[0062] In the embodiment of the utility model, the temperature range of the low temperature zone 110 is between 0°C and 300°C; the temperature range of the medium temperature zone 120 is between 0°C and 400°C; the temperature range of the high temperature zone 130 is between 0°C and 600°C. With such a configuration, the aluminum rod heating furnace can perform three-level gradient heating based on actual needs, or not perform high-temperature homogeneous heating, thereby improving the practicality and wide application of the aluminum rod heating furnace.

[0063] See attached Figure 2 In the embodiment of the utility model, the top plate 150 is provided with a guide assembly 151, and the guide assembly 151 has multiple groups, each group of guide assemblies 151 includes a first guide plate and a second guide plate arranged at intervals along a first direction, and the furnace door 100 is slidably connected between the first guide plate and the second guide plate. In this way, the contact length with the furnace door 100 is increased, and the extrusion deformation of the furnace door 100 under the extrusion of the aluminum rod is reduced.

[0064] In an embodiment of the utility model, the supporting plate 160 includes a first inclined plate, a second inclined plate and a third inclined plate which are interconnected, the inclination angle of the second inclined plate is less than or equal to the inclination angle of the first inclined plate, which is less than or equal to the inclination angle of the third inclined plate; the first inclined plate is arranged in the low temperature zone 110; the second inclined plate is arranged in the medium temperature zone 120 and the high temperature zone 130; the third inclined plate is arranged in the insulation zone 140.

[0065] In the embodiment of the utility model, the inclination angle of the first inclined plate is between 5°-15°; the inclination angle of the second inclined plate is between 3°-10°; and the inclination angle of the third inclined plate is between 10°-30°.

[0066] See attached Figure 5 The second aspect of the embodiment of the utility model provides an aluminum rod heat treatment equipment, including a second transmission component 20, a shearing device 30, a quenching device 40 and the above-mentioned aluminum rod heating furnace, the shearing device 30 is fixed to the second transmission component 20, the second transmission component 20 is used to receive the aluminum rod of the first transmission component 141 and convey it to the shearing device 30, the shearing device 30 is used to saw the received aluminum rod into sub-aluminum rods of a set length; the second transmission component 20 is also used to transfer the sub-aluminum rods to the quenching device 40, and the quenching device 40 is used to cool the received sub-aluminum rods to a set temperature.

[0067] An aluminum rod heat treatment device provided by an embodiment of the utility model performs preheating treatment, heating treatment, high-temperature homogenization treatment and primary cooling treatment on the aluminum rod in an aluminum rod heating furnace, and transports the aluminum rod to a quenching device 40 for secondary cooling. On the one hand, the surface temperature of the aluminum rod is reduced to avoid high surface temperature of the aluminum rod, thereby improving the extrusion performance of the aluminum rod; on the other hand, the precipitation of solid solution is reduced, the temperature of the cast rod can be reduced in a short time, the solid solution content in the cast rod is guaranteed, and the performance of the extruded aluminum profile is improved; in addition, the outer surface temperature of the aluminum rod is generally low, and the internal temperature is relatively high, which complements the temperature rise caused by the friction between the outer surface of the cast rod and the extrusion barrel during extrusion, so that the temperature of the extruded aluminum profile tends to be consistent, thereby ensuring constant temperature extrusion of the aluminum profile.

[0068] See attached Figure 5 In the embodiment of the utility model, the second transmission component 20 receives and transmits the aluminum rod along the second direction.

[0069] See attached Figure 5 In the embodiment of the utility model, the quenching device 40 is arranged on one side of the second transmission component 20, and the second transmission component 20 is provided with a pushing component, which is used to push the sub-aluminum rod to the quenching device 40 along the first direction.

[0070] See attached Figure 5 In the embodiment of the utility model, the quenching device 40 includes a cooling box 410 and a cover body 420. The cover body 420 is liftable and disposed above the cooling box 410. The cover body 420 is provided with a water cooling nozzle, and the water cooling nozzle is connected to a water inlet pipe 422.

[0071] In the embodiment of the utility model, the cooling intensity of the water-cooling nozzle changes gradually along the length direction of the sub-aluminum rod.

[0072] It should be noted that the cooling intensity of the water-cooling nozzle gradually increases from the head to the tail of the sub-aluminum rod. In the subsequent extrusion process, as the extrusion time increases, the temperature of the sub-aluminum rod rises. If the cooling intensity of the head is low, the temperature of the head after quenching is higher; if the cooling intensity of the tail is high, the temperature of the tail after quenching is lower, which complements the temperature rise of the profile caused by the friction in the later stage of extrusion, achieving the effect of constant temperature extrusion.

[0073] See attached Figure 5 In the embodiment of the utility model, the cooling box 410 is provided with a guide rail 411 , the guide rail 411 is slidably connected with a slider 412 , and the cover body 420 is fixedly arranged on the slider 412 .

[0074] Although the utility model is disclosed as above, the utility model is not limited thereto. Any person skilled in the art can make various changes and modifications without departing from the spirit and scope of the utility model. Therefore, the protection scope of the utility model shall be subject to the scope defined by the claims.

Claims

1. An aluminum rod heating furnace, characterized in that: include: A furnace body (10) having a feed inlet and a discharge outlet; A carrying plate (160) is fixedly arranged in an inclined manner in the furnace body (10) for carrying the aluminum rods; an end of the carrying plate (160) close to the discharge port is lower than an end of the carrying plate (160) away from the discharge port; A furnace door (100) having a plurality of furnace doors (100) arranged in parallel and spaced relation along a first direction between a top plate (150) of the furnace body (10) and the supporting plate (160); each furnace door (100) is connected to a first linear driving component (107), the first linear driving component (107) being fixedly arranged on the furnace body (10), and the first linear driving component (107) driving the furnace door (100) to be lifted and lowered and pass through the top plate (150); each furnace door (100) divides the furnace body (10) into a low temperature zone (110), a medium temperature zone (120), a high temperature zone (130) and a heat preservation zone (140) in sequence along the first direction, the feed port being arranged on a side wall of the low temperature zone (110), and the discharge port being arranged on a side wall of the heat preservation zone (140); and, a plurality of stoppers (161) arranged in parallel and at intervals on the carrying plate (160) along the first direction, each of the stoppers (161) being connected to a second linear driving component (162), and the second linear driving component (162) driving the stoppers (161) to rise and fall and penetrate the carrying plate (160); The first direction refers to the horizontal conveying direction of the aluminum rod.

2. The aluminum rod heating furnace according to claim 1, characterized in that: The heat preservation zone (140) is provided with a first transmission component (141), and the first transmission component (141) is used to transmit the aluminum rod to the outside of the discharge port along a second direction, and the second direction refers to the axial direction of the aluminum rod and the second direction is perpendicular to the first direction.

3. The aluminum rod heating furnace according to claim 2, characterized in that: The furnace body (10) is provided with a detection component (104), and there are a plurality of detection components (104). Each detection component (104) is used to detect whether the aluminum rod is present at a position corresponding to the stopper (161), and each detection component (104) is electrically connected to the second linear drive component (162).

4. The aluminum rod heating furnace according to claim 3, characterized in that: The detection component (104) is an ultrasonic sensor or a laser radar sensor; And / or, the detection component (104) is fixed to the top plate (150) or the detection component (104) is fixed to the stopper (161).

5. The aluminum rod heating furnace according to any one of claims 2 to 4, characterized in that: A partition plate (170) is connected below the carrying plate (160), and a first cavity (101) is formed between the partition plate (170) and the carrying plate (160); The carrier plate (160) located in the heat preservation zone (140) is provided with a first through hole (105), and the carrier plate (160) located in the low temperature zone (110) is provided with a second through hole (106); the first through hole (105), the first cavity (101) and the second through hole (106) are connected to realize thermal circulation of the heat preservation zone (140) and the low temperature zone (110).

6. The aluminum rod heating furnace according to claim 5, characterized in that: A second cavity (102) is formed between the bottom plate (180) of the furnace body (10) and the partition plate (170); the second linear drive component (162) is fixed to the bottom plate (180); and a power output end of the second linear drive component (162) extends out of the partition plate (170) and is connected to the stopper (161).

7. The aluminum rod heating furnace according to any one of claims 2 to 4, characterized in that: A top plate (150) located in the heat preservation zone (140) is provided with a first air outlet, and the first air outlet is connected to a fan (142); and / or, the top plates (150) located in the low temperature zone (110), the medium temperature zone (120), and the high temperature zone (130) all have a second air outlet, the second air outlet is connected to a circulation fan (111), and the circulation fan (111) is used to enable the low temperature zone (110), the medium temperature zone (120), and the high temperature zone (130) to perform heat exchange with the outside respectively; And / or, the low temperature zone (110), the medium temperature zone (120), the high temperature zone (130) and the heat preservation zone (140) are all provided with temperature sensors (103), and the temperature sensors (103) are used to detect the temperature of each zone and the temperature of the aluminum rods provided in each zone; And / or, the temperature range of the low temperature zone (110) is between 0°C and 300°C; the temperature range of the medium temperature zone (120) is between 0°C and 400°C; the temperature range of the high temperature zone (130) is between 0°C and 600°C; And / or, the top plate (150) is provided with a guide assembly (151), the guide assembly (151) has a plurality of groups, each group of the guide assembly (151) comprises a first guide plate and a second guide plate spaced apart along the first direction, and the furnace door (100) is slidably connected between the first guide plate and the second guide plate; And / or, the supporting plate (160) includes a first inclined plate, a second inclined plate and a third inclined plate which are connected to each other, the inclination angle of the second inclined plate is less than or equal to the inclination angle of the first inclined plate which is less than or equal to the inclination angle of the third inclined plate; the first inclined plate is arranged in the low temperature zone (110); the second inclined plate is arranged in the medium temperature zone (120) and the high temperature zone (130); the third inclined plate is arranged in the heat preservation zone (140).

8. An aluminum rod heat treatment equipment, characterized in that: The invention comprises a second transmission component (20), a shearing device (30), a quenching device (40) and an aluminum rod heating furnace according to any one of claims 2 to 7, wherein the shearing device (30) is fixedly arranged on the second transmission component (20), the second transmission component (20) is used to receive the aluminum rod of the first transmission component (141) and convey it to the shearing device (30), the shearing device (30) is used to saw the received aluminum rod into sub-aluminum rods of a set length; the second transmission component (20) is also used to convey the sub-aluminum rods to the quenching device (40), the quenching device (40) is used to cool the received sub-aluminum rods to a set temperature.

9. The aluminum rod heat treatment equipment according to claim 8, characterized in that: The quenching device (40) comprises a cooling box (410) and a cover body (420); the cover body (420) is liftable and arranged above the cooling box (410); the cover body (420) is provided with a water cooling nozzle, and the water cooling nozzle is connected to a water inlet pipe (422).

10. The aluminum rod heat treatment equipment according to claim 9, characterized in that: The cooling box (410) is provided with a guide rail (411), the guide rail (411) is slidably connected to a slider (412), and the cover body (420) is fixed to the slider (412).

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