Aluminum alloy continuous heat treatment furnace

Abstract

The invention relates to the technical field of aluminum alloy heat treatment, in particular to an aluminum alloy continuous heat treatment furnace which comprises a supporting frame, a conveying assembly is arranged on the supporting frame and used for conveying workpieces to be machined, and two side blocking assemblies are arranged at the top of the supporting frame and used for conveying the workpieces to be machined. Through the arrangement of the interval stretching mechanism, on one hand, the situation that the heat treatment effect is affected due to the fact that a shielding area exists between the adjacent to-be-machined parts due to the too short distance is prevented, on the other hand, the heat treatment effect is improved, and on the other hand, the heat treatment efficiency is improved. By enlarging the distance between every two adjacent to-be-machined parts, even if the to-be-machined parts fall off in the ascending process, the probability that the adjacent to-be-machined parts collide with each other when the to-be-machined parts fall off can be prevented.

Description

Technical Field

[0001] The present invention relates to the technical field of aluminum alloy heat treatment, in particular to an aluminum alloy continuous heat treatment furnace. Background Art

[0002] A continuous heat treatment furnace is designed for mass production. Workpieces are continuously fed into the furnace via a conveyor system, passing through heating, holding, and cooling zones to complete the entire heat treatment process. This type of furnace offers high efficiency, stability, and energy savings, making it widely used in the heat treatment of metal materials such as steel, aluminum alloys, and copper alloys.

[0003] When continuously heating aluminum alloy workpieces, in order to improve production efficiency, multiple workpieces are usually placed on a conveyor device for batch processing at the same time. However, in actual operation, if the spacing between workpieces is too small, obstructed areas may be formed between adjacent workpieces, resulting in some workpiece surfaces not being fully exposed to the heat source, thereby affecting the uniformity and consistency of heating. This may not only lead to insufficient heating in certain areas, but also affect the quality and performance of the final product. Summary of the Invention

[0004] The purpose of the present invention is to solve the shortcomings of the prior art and to propose an aluminum alloy continuous heat treatment furnace.

[0005] To achieve the above objectives, the technical solution adopted by the present invention is as follows: an aluminum alloy continuous heat treatment furnace, comprising a support frame, a transport assembly provided on the support frame for transporting workpieces to be processed, two sets of side stop assemblies provided on the top of the support frame for guiding the transport path of the workpieces to be processed when the transport assembly transports the workpieces to be processed, a heat treatment box fixedly mounted on the support frame, and further comprising a delivery box, the delivery box being arranged on the transport assembly and located between the two sets of side stop assemblies, a flat support plate fixedly mounted on the top of the delivery box, a plurality of receiving assemblies provided on the top of the flat support plate for positioning and stably transporting the workpieces to be processed;

[0006] The receiving component includes a receiving rod which is rotatably connected to the flat support plate. A driving component is arranged at the bottom of the receiving rod, and the driving component is located inside the delivery box. An H-shaped box is provided at the top end of the receiving rod. First telescopic rods are fixedly connected to the spaces on both sides of the H-shaped box. The telescopic ends of the first telescopic rods are fixedly connected to a rectangular box, and the rectangular box is slidably connected to the H-shaped box. A connecting pipe is fixedly communicated inside the H-shaped box, and the connecting pipe is slidably connected to the rectangular box. A negative pressure component is arranged inside the delivery box, and the negative pressure component is communicated with the H-shaped box. A first adsorption component is arranged inside the rectangular box, and a second adsorption component is arranged inside the H-shaped box. Both the first adsorption component and the second adsorption component are used for adsorbing and positioning the workpiece to be processed.

[0007] A spacing stretching mechanism is arranged between the receiving rod and the rectangular box for stretching the spacing between the workpieces to be processed after the workpieces to be processed enter the heating area.

[0008] Preferably, the spacing stretching mechanism includes a ring and two sliding blocks. The ring is fixedly connected to the outer wall of the receiving rod. A plurality of dial rods are fixedly connected to the outer wall of the ring in a circumferential array. Installation grooves are formed in both sliding blocks. A second telescopic rod is fixedly connected inside the installation groove. The telescopic end of the second telescopic rod is fixedly connected to the rectangular box, and both sliding blocks are slidably connected to the flat support plate. Slopes are formed on one side of both sliding blocks close to each other, and the slopes are matched with the dial rods.

[0009] Preferably, the first adsorption component and the second adsorption component have the same structure. The first adsorption component includes an adsorption hopper which is slidably connected to the rectangular box. A dredging pipe is fixedly communicated at the bottom of the adsorption hopper, and the dredging pipe is located inside the rectangular box.

[0010] Preferably, two groups of drainage holes are formed at the top of the H-shaped box, and the two groups of drainage holes are respectively located in the gaps between adjacent workpieces to be processed.

[0011] Preferably, two ventilation grooves are formed on the outer wall of the connecting pipe, and the two ventilation grooves are symmetrically arranged.

[0012] Preferably, an insertion connecting pipe is slidably connected inside the connecting pipe. The insertion connecting pipe is located inside the rectangular box. Two displacement blocks are symmetrically fixedly connected to the outer wall of the insertion connecting pipe, and the two displacement blocks are respectively slidably connected inside the two ventilation grooves. The bottom of the dredging pipe is slidably communicated with a connecting box, and an insertion interface with the same diameter as the insertion connecting pipe is formed on the connecting box.

[0013] Preferably, an upper slider is fixedly connected to the outer wall of the dredging pipe. The upper slider is located between the adsorption hopper and the connection box. A support block is fixedly connected between the two insertion pipes. A guiding surface is formed at one end of the upper slider close to the support block. A top rod is fixedly connected to the top of the support block, and the top rod is matched with the guiding surface.

[0014] Preferably, a plurality of baffles are slidably connected inside the H-shaped box. The number of the baffles is equal to that of the drainage holes. Optical rods are symmetrically and fixedly connected to the outer walls of the baffles, and the ends of the optical rods are fixedly connected to the rectangular box.

[0015] Preferably, the negative pressure assembly includes a negative pressure pump. The negative pressure pump is fixedly connected inside the delivery box. A heat insulation cover is fixedly connected inside the delivery box. The negative pressure pump is located inside the heat insulation cover. A negative pressure pipe is fixedly communicated with the H-shaped box. The end of the negative pressure pipe passes through the heat insulation cover and is fixedly communicated with the negative pressure pump.

[0016] Preferably, the side baffle assembly includes two side plates. The two side plates are symmetrically and fixedly connected to the top of the support frame. A plurality of baffle cylinders are rotatably connected to one side of each of the two side plates close to each other.

[0017] Compared with the prior art, the present invention has the following beneficial effects:

[0018] First, through the setting of the spacing stretching mechanism, in order to prevent the formation of a shielding area between adjacent workpieces, the workpiece to be processed on the rectangular box is moved away from the workpiece to be processed on the H-shaped box through the spacing stretching mechanism, so that the distance between two adjacent workpieces to be processed becomes larger. On the one hand, it is beneficial to prevent the occurrence of a shielding area due to the too-close distance between adjacent workpieces to be processed, which may affect the heat treatment effect. On the other hand, by expanding the distance between every two adjacent workpieces to be processed, even if the workpiece to be processed falls during the rising process, it is also beneficial to prevent the probability of the workpiece to be processed colliding with adjacent workpieces when it falls.

[0019] Second, through the setting of the drainage holes, by opening drainage holes at the top of the H-shaped box, during the construction of the negative pressure space, the air flow will be guided to the gaps between the workpieces to be processed. Through the design of the drainage holes, it not only promotes the flow of the gas sprayed inside the heat treatment box between the workpieces, but also helps to ensure that the gas can evenly cover the surface of each workpiece. In this way, the gas can act on the workpiece more effectively, improving the uniformity and treatment effect of the heat treatment and avoiding quality differences caused by uneven gas distribution.

[0020] III. Through the settings of the insertion pipe and the insertion interface in the present invention, the insertion pipe is gradually inserted into the insertion interface, forming a complete connected path from the H-shaped box through the insertion pipe, the connection box, the dredging pipe and finally reaching the adsorption hopper. In this way, the air flow can not only directly act on the adsorption hopper, reducing the influence of the use of the ventilation slots on the adsorption effect, but also significantly enhancing the adsorption force of the adsorption hopper, which is beneficial to effectively avoiding the situation that the workpiece to be processed is not stably adsorbed due to the air flow, and at the same time improving the reliability and efficiency of the whole system. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 is a schematic diagram of the overall structure of the present invention Figure 1 。

[0022] Figure 2 is a schematic diagram of the overall structure of the present invention Figure 2 。

[0023] Figure 3 is a schematic diagram of the structure at the connection between the delivery box and the flat support plate of the present invention.

[0024] Figure 4 is a schematic diagram of the structure of the present invention after sectioning along the delivery box and the heat insulation cover.

[0025] Figure 5 is a schematic diagram of the structure of the H-shaped box of the present invention.

[0026] Figure 6 is a schematic diagram of the structure after sectioning along the H-shaped box of the present invention Figure 1 。

[0027] Figure 7 is a schematic diagram of the structure after sectioning along the H-shaped box of the present invention Figure 2 。

[0028] Figure 8 is a schematic diagram of the structure at the connection between the connecting pipe and the insertion pipe of the present invention.

[0029] Figure 9 is a schematic diagram of the structure of the sliding block of the present invention.

[0030] Figure 10 is a schematic diagram of the structure of the connection box of the present invention.

[0031] In the figure: 1. Support frame; 2. Heat treatment box; 3. Delivery box; 4. Flat support plate; 5. Receiver rod; 6. H-shaped box; 7. First telescopic rod; 8. Rectangular box; 9. Connecting pipe; 10. Sliding block; 11. Push rod; 12. Mounting slot; 13. Second telescopic rod; 14. Adsorption bucket; 15. Unclogging pipe; 16. Drainage hole; 17. Ventilation slot; 18. Plug-in pipe; 19. Displacement block; 20. Connecting box; 21. Plug interface; 22. Upper slider; 23. Support block; 24. Guide surface; 25. Push rod; 26. Baffle; 27. Light rod; 28. Negative pressure pump; 29. Heat insulation cover; 30. Negative pressure pipe; 31. Side plate; 32. Baffle cylinder; 33. Ring. DETAILED DESCRIPTION

[0032] The following description is intended to disclose the present invention so that those skilled in the art can implement the present invention. The preferred embodiments described below are merely examples, and those skilled in the art may conceive of other obvious variations.

[0033] Application scenario: When continuously heating aluminum alloy workpieces, in order to improve production efficiency, multiple workpieces are usually placed on a conveyor device for batch processing at the same time. However, in actual operation, if the spacing between workpieces is too small, obstructed areas may be formed between adjacent workpieces, resulting in some workpiece surfaces not being fully exposed to the heat source, thereby affecting the uniformity and consistency of heating. This may not only lead to insufficient heating in certain areas, but also affect the quality and performance of the final product.

[0034] like Figures 1 to 10 The aluminum alloy continuous heat treatment furnace shown includes a support frame 1, on which a transport assembly is provided for transporting workpieces to be processed. Two sets of side stop assemblies are provided on the top of the support frame 1 for guiding the transport path of the workpieces to be processed when the transport assembly transports the workpieces to be processed. The support frame 1 is fixedly mounted with a heat treatment box 2 and also includes a delivery box 3, which is arranged on the transport assembly and located between the two sets of side stop assemblies. A flat support plate 4 is fixedly mounted on the top of the delivery box 3, and a plurality of receiving assemblies are provided on the top of the flat support plate 4 for positioning and stably transporting the workpieces to be processed.

[0035] The receiving component includes a receiving rod 5, the receiving rod 5 is rotatably connected to the flat support plate 4, a driving component is arranged at the bottom of the receiving rod 5, the driving component is located inside the delivery box 3, a H-shaped box 6 is arranged at the top end of the receiving rod 5, first telescopic rods 7 are fixedly connected in the spaces on both sides of the H-shaped box 6, the telescopic ends of the first telescopic rods 7 are fixedly connected with a rectangular box 8, the rectangular box 8 is slidably connected with the H-shaped box 6, a connecting pipe 9 is fixedly communicated inside the H-shaped box 6, the connecting pipe 9 is slidably connected with the rectangular box 8, a negative pressure component is arranged inside the delivery box 3, the negative pressure component is communicated with the H-shaped box 6, a first adsorption component is arranged inside the rectangular box 8, a second adsorption component is arranged inside the H-shaped box 6, and both the first adsorption component and the second adsorption component are used for adsorbing and positioning the workpiece to be processed;

[0036] A spacing stretching mechanism is arranged between the receiving rod 5 and the rectangular box 8, and is used for stretching the spacing between the workpieces to be processed after the workpieces to be processed enter the heating area.

[0037] It should be noted that inside the heat treatment box 2, there are at least a heating component, a heat preservation chamber, an atmosphere control component, a temperature control component, etc. Common heating elements in the heating component include electric heating wires, resistance heaters, induction heaters, gas burners, etc. The choice of heating method depends on the workpiece material, temperature requirements and energy costs. The above are all existing mature technologies and will not be elaborated too much here.

[0038] It should be understood that the operator places an appropriate amount of workpieces to be processed on the H-shaped box 6 and the rectangular box 8. First, control the negative pressure component to start working. The negative pressure component will exhaust the air inside the H-shaped box 6 to the outside. At the same time, during the exhaust process, the air inside the rectangular box 8 will also be exhausted to the outside through the connecting pipe 9. Furthermore, by constructing a negative pressure space, the first adsorption component and the second adsorption component respectively adsorb and position the workpiece to be processed at the current position, which is beneficial to the stable transportation of the workpiece to be processed. When the workpiece to be processed is transported into the heat treatment box 2 by the transportation component, the side baffle component will guide the movement track of the delivery box 3 to prevent the delivery box 3 from displacing and causing the workpiece to be processed to fall. Before the workpiece to be processed enters the heat treatment box 2, the heating component, atmosphere control component and temperature control component built in the heat treatment box 2 are set to start in advance, so that the inside of the heat treatment box 2 is at a predetermined heat treatment temperature. After the workpiece to be processed enters the heat treatment box 2, first control the driving component to push the H-shaped box 6 towards the top surface direction inside the heat treatment box 2, so that the workpiece to be processed is closer to the heating component, which is beneficial to heat treating the workpiece to be processed. And during the movement, the first adsorption component and the second adsorption component can continuously adsorb the workpiece to be processed, which helps to maintain the stability of the workpiece to be processed during the rising stage;

[0039] During this process, in order to prevent the formation of an occlusion area between adjacent workpieces, the driving component synchronization also drives the receiving rod 5 to rotate. The receiving rod 5 causes the spacing stretching mechanism to move the workpiece to be processed on the rectangular box 8 away from the workpiece to be processed on the H-shaped box 6, thereby increasing the distance between two adjacent workpieces to be processed. On the one hand, it is beneficial to prevent the formation of an occlusion area between adjacent workpieces to be processed due to the overly close distance, which may affect the heat treatment effect. On the other hand, by increasing the distance between every two adjacent workpieces to be processed, even if the workpiece to be processed drops during the ascending process, it can also help prevent the probability of collision between the dropped workpiece to be processed and adjacent workpieces to be processed.

[0040] It should be noted again that the driving component includes a first motor and a hydraulic rod. The first motor is fixedly connected to the bottom of the flat support plate 4 through a mounting bracket. The output shaft end of the first motor is fixedly connected to the receiving rod 5. The fixed part of the hydraulic rod is fixedly connected to the flat support plate 4, and the telescopic end of the hydraulic rod is fixedly connected to the H-shaped box 6.

[0041] The transportation component includes a second motor and existing components such as conveying rollers, which have mature applications in various industries and will not be elaborated here.

[0042] As a further embodiment of the present invention, the spacing stretching mechanism includes a circular ring 33 and two sliding blocks 10. The circular ring 33 is fixedly connected to the outer wall of the receiving rod 5. A plurality of dial rods 11 are fixedly connected to the outer wall of the circular ring 33 in a circumferential array. Installation grooves 12 are formed in both sliding blocks 10. A second telescopic rod 13 is fixedly connected to the inside of the installation groove 12. The telescopic end of the second telescopic rod 13 is fixedly connected to the rectangular box 8. And the two sliding blocks 10 are slidably connected to the flat support plate 4. Slopes are formed on one side of the two sliding blocks 10 that are close to each other, and the slopes cooperate with the dial rods 11.

[0043] It should be understood that when the first motor is controlled to start, the first motor drives the receiving rod 5 to rotate. The receiving rod 5 drives the circular ring 33 to rotate. The circular ring 33 drives the dial rod 11 to rotate. When the dial rod 11 contacts the slope during rotation, it will push the two sliding blocks 10 away from each other under the guidance of the slope. The two sliding blocks 10 moving away from each other will drive the second telescopic rod 13 to expand and contract to adapt to the movement track of the sliding blocks 10, thereby driving the two rectangular boxes 8 away from each other. During the process of the two rectangular boxes 8 moving away from each other, they will drive the corresponding workpieces to be processed away from each other, which is beneficial to increasing the distance between adjacent workpieces to be processed.

[0044] As a further embodiment of the present invention, the first adsorption component and the second adsorption component have the same structure. The first adsorption component includes an adsorption hopper 14. The adsorption hopper 14 is slidably connected to the rectangular box 8. A dredging pipe 15 is fixedly connected to the bottom of the adsorption hopper 14, and the dredging pipe 15 is located inside the rectangular box 8.

[0045] It should be understood that when the negative pressure component is started, it discharges the air inside the H-shaped box 6 outward through the connecting pipe 9. Since the connecting pipe 9 connects the H-shaped box 6 with the rectangular box 8, the negative pressure component can simultaneously extract the air inside the rectangular box 8. At the same time, the dredging pipe 15 located inside the rectangular box 8 is communicated with the adsorption hopper 14, and it is ensured that the entire air path from the H-shaped box 6 to the adsorption hopper 14 is closed and sealed. Therefore, under the action of the dredging pipe 15, a negative pressure space is formed at the adsorption hopper 14, and this negative pressure space enables the external atmospheric pressure to tightly press the workpiece to be processed on the adsorption hopper 14, thereby completing the adsorption of the workpiece.

[0046] It should be noted that the adsorption hopper 14 in the second adsorption component is slidably connected to the H-shaped box 6, and the dredging pipe 15 connected to the bottom of the adsorption hopper 14 is located inside the H-shaped box 6.

[0047] It should be noted that the second telescopic rod 13 is composed of two cylinders with different diameters and can slide inside the cylinder with a larger diameter, which is a prior art. The first telescopic rod 7 is the same as the second telescopic rod 13, and the above will not be disclosed in detail.

[0048] As a further embodiment of the present invention, two sets of drainage holes 16 are opened at the top of the H-shaped box 6, and the two sets of drainage holes 16 are respectively located in the gaps between adjacent workpieces to be processed.

[0049] Specifically, by opening the drainage holes 16 at the top of the H-shaped box 6, during the process of constructing the negative pressure space, the air flow will be guided to the gaps between the workpieces to be processed. Through the design of the drainage holes 16, it not only promotes the flow of the gas sprayed inside the heat treatment box 2 between the workpieces, but also helps to ensure that the gas can evenly cover the surface of each workpiece. In this way, the gas can act on the workpiece more effectively, improving the uniformity and treatment effect of the heat treatment and helping to avoid quality differences caused by uneven gas distribution.

[0050] As a further embodiment of the present invention, two ventilation grooves 17 are opened on the outer wall of the connecting pipe 9, and the two ventilation grooves 17 are symmetrically arranged.

[0051] As a further embodiment of the present invention, an insertion connecting pipe 18 is slidably connected inside the connecting pipe 9. The insertion connecting pipe 18 is located inside the rectangular box 8. Two displacement blocks 19 are symmetrically and fixedly connected to the outer wall of the insertion connecting pipe 18, and the two displacement blocks 19 are respectively slidably connected inside the two ventilation grooves 17. The bottom of the dredging pipe 15 is slidably communicated with a connecting box 20, and an insertion interface 21 with the same diameter as the insertion connecting pipe 18 is opened on the connecting box 20.

[0052] Specifically, when the two rectangular boxes 8 gradually move away from each other, they will gradually disengage from the H-shaped box 6, causing the originally blocked ventilation slots 17 to be gradually exposed. As the rectangular boxes 8 move, the workpieces to be processed thereon will also move away accordingly. At this time, the workpieces to be processed may exceed the effective range of the drainage holes 16, or the flow rate of the airflow acting on the surface of the workpieces to be processed may decrease as the workpieces to be processed move away, thereby triggering uneven heat treatment. However, the exposed ventilation slots 17 begin to play a key role. The ventilation slots 17 can guide the airflow to flow in the direction of the approaching and departing workpieces to be processed. Through the guidance of the ventilation slots 17, the airflow can continuously and evenly act on the surface of the workpieces to be processed, which is beneficial to ensuring that even during the process of the rectangular boxes 8 moving away, the workpieces to be processed can maintain good heat treatment effects and is conducive to avoiding quality problems caused by uneven airflow;

[0053] Furthermore, during the movement of the rectangular boxes 8, the displacement blocks 19 will slide inside the ventilation slots 17, driving the insertion pipes 18 to move accordingly. As the rectangular boxes 8 continue to move, the insertion pipes 18 will gradually be inserted into the insertion ports 21, forming a complete communication path from the H-shaped box 6 through the insertion pipes 18, the connection box 20, the dredging pipe 15, and finally reaching the adsorption hopper 14. In this way, the airflow can not only directly act on the adsorption hopper 14, reducing the influence of the use of the ventilation slots 17 on the adsorption effect, but also significantly enhancing the adsorption force of the adsorption hopper 14, which is beneficial to effectively avoiding the situation where the workpieces to be processed are not stably adsorbed due to airflow movement, and at the same time improving the reliability and efficiency of the entire system.

[0054] As a further implementation of the present invention, an upper slider 22 is fixedly connected to the outer wall of the dredging pipe 15. The upper slider 22 is located between the adsorption hopper 14 and the connection box 20. A support block 23 is fixedly connected between the two insertion pipes 18. A guiding surface 24 is provided at one end of the upper slider 22 close to the support block 23. A top rod 25 is fixedly connected to the top of the support block 23, and the top rod 25 cooperates with the guiding surface 24.

[0055] It should be understood that during the movement of the two insertion pipes 18, they will drive the supporting blocks 23 connected thereto to move synchronously. The movement of the supporting blocks 23 will push the ejector rod 25 upward. When the ejector rod 25 contacts the guiding surface 24, it will further push the upper slider 22 upward. As the upper slider 22 rises, under the action of the gravity of the connection box 20 itself, the upper slider 22 will drive the dredging pipe 15 to move upward along the connection box 20 together or drive the connection box 20 to move synchronously, thereby causing the suction hopper 14 to rise accordingly; ultimately, the suction hopper 14 will drive the workpiece to be processed upward, creating a gap between the workpiece to be processed and the rectangular box 8; in this way, the airflow can act more smoothly on the bottom of the workpiece, which is beneficial to ensuring a more uniform heat treatment effect, helping to avoid uneven treatment caused by poor air circulation, and thus facilitating ensuring that the airflow can act more effectively on all parts of the workpiece, especially the bottom, thereby improving the overall heat treatment effect and consistency;

[0056] And at this time, a complete communication path from the H-shaped box 6 through the insertion pipe 18, the connection box 20, the dredging pipe 15 and finally to the suction hopper 14 has been formed, which is beneficial to the stable adsorption of the workpiece to be processed and helps prevent the situation of the workpiece to be processed falling when following the suction hopper 14 to rise.

[0057] As a further embodiment of the present invention, a plurality of baffles 26 are slidably connected inside the H-shaped box 6. The number of the baffles 26 is equal to that of the drainage holes 16. Smooth rods 27 are symmetrically and fixedly connected to the outer walls of the baffles 26, and the ends of the smooth rods 27 are fixedly connected to the rectangular box 8.

[0058] It should be understood that during the process of the rectangular boxes 8 moving away from each other, the smooth rods 27 will move accordingly, driving the baffles 26 to gradually block the drainage holes 16; in this way, the air flow rate through the drainage holes 16 gradually decreases, prompting the air flow to flow more towards the gradually exposed ventilation grooves 17, which is beneficial to maintaining the air flow balance of the system and ensuring the consistency of the heat treatment effect; by flexibly adjusting the air flow path, it helps to ensure the stability and adaptability of the device under different working conditions and improves the overall heat treatment effect.

[0059] As a further embodiment of the present invention, the negative pressure assembly includes a negative pressure pump 28. The negative pressure pump 28 is fixedly connected inside the delivery box 3. A heat insulation cover 29 is fixedly connected inside the delivery box 3. The negative pressure pump 28 is located inside the heat insulation cover 29. A negative pressure pipe 30 is fixedly communicated with the H-shaped box 6. The end of the negative pressure pipe 30 passes through the heat insulation cover 29 and is fixedly communicated with the negative pressure pump 28.

[0060] It should be understood that the negative pressure pump 28 is controlled to start, and the negative pressure pump 28 discharges the air inside the H-type box 6 through the negative pressure pipe 30, thereby constructing a negative pressure space. The setting of the heat insulation cover 29 can isolate the heat, which helps to protect the negative pressure pump 28. The heat insulation cover 29 is pre-equipped with a one-way ventilation exhaust hole to facilitate the exhaust of the negative pressure pump 28. The above is the existing technology and will not be elaborated in detail.

[0061] It should be noted that the negative pressure pipe 30 is a soft pipe with a certain deformation amount, which is convenient for movement, and a cooler can be set inside the delivery box 3 to cool the transported gas to protect the negative pressure pump 28.

[0062] As a further embodiment of the present invention, the side baffle assembly includes two side plates 31 , which are symmetrically fixedly connected to the top of the support frame 1 , and a plurality of baffle cylinders 32 are rotatably connected to the sides of the two side plates 31 that are close to each other.

[0063] It should be understood that the delivery box 3 is placed on the transport assembly, and the side walls of the delivery box 3 are blocked by the blocking cylinder 32, which is conducive to maintaining stability during the transportation process.

[0064] Working principle of the present invention:

[0065] The operator places an appropriate amount of workpieces to be processed on the H-shaped box 6 and the rectangular box 8, and first controls the negative pressure component to start working. The negative pressure component will exhaust the air inside the H-shaped box 6 to the outside. At the same time, during the exhaust process, the air inside the rectangular box 8 will also be discharged to the outside through the connecting pipe 9, and then by constructing a negative pressure space, the first adsorption component and the second adsorption component respectively adsorb and position the workpieces to be processed at the current position, which is conducive to the stable transportation of the workpieces to be processed. When the workpieces to be processed are transported to the inside of the heat treatment box 2 by the transport component, the side block component will guide the movement trajectory of the delivery box 3 to prevent the delivery box 3 from being displaced and causing the workpieces to be processed to be damaged. In the event of a fall, before the workpiece enters the heat treatment box 2, the heating component, atmosphere control component and temperature control component built into the heat treatment box 2 are set and started in advance, so that the interior of the heat treatment box 2 is at a predetermined heat treatment temperature. After the workpiece enters the heat treatment box 2, the driving component is first controlled to push the H-shaped box 6 toward the internal top surface of the heat treatment box 2, so that the workpiece is closer to the heating component, which is conducive to heat treatment of the workpiece. In addition, during the movement, the first adsorption component and the second adsorption component can continuously adsorb the workpiece, which helps to maintain the stability of the workpiece during the ascending stage.

[0066] During this process, in order to prevent the formation of an occlusion area between adjacent workpieces, the driving assembly synchronization also drives the receiving rod 5 to rotate. The receiving rod 5 causes the spacing stretching mechanism to move the workpiece to be processed on the rectangular box 8 away from the workpiece to be processed on the H-shaped box 6, thereby increasing the distance between two adjacent workpieces to be processed. On the one hand, it is beneficial to prevent the occurrence of an occlusion area between adjacent workpieces to be processed due to the too-close distance, which may affect the heat treatment effect. On the other hand, by increasing the distance between each two adjacent workpieces to be processed, even if the workpiece to be processed falls during the rising process, it is also beneficial to prevent the probability of collision between the falling workpiece to be processed and adjacent workpieces to be processed.

[0067] The foregoing shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art of this industry should understand that the present invention is not limited by the above embodiments. What is described in the above embodiments and the specification is only the principle of the present invention. Without departing from the spirit and scope of the present invention, the present invention will have various changes and improvements, and these changes and improvements all fall within the scope of the present invention claimed.

Claims

1. A continuous heat treatment furnace for aluminum alloy, comprising a support frame (1), a transportation component is arranged on the support frame (1) for conveying the workpiece to be processed, two groups of side blocking components are arranged at the top of the support frame (1) for guiding the conveying path of the workpiece to be processed when the transportation component conveys the workpiece to be processed, and a heat treatment box (2) is fixedly installed on the support frame (1), characterized in that: It also includes a delivery box (3), the delivery box (3) is arranged on the transport component, and the delivery box (3) is located between the two sets of side block components, a flat support plate (4) is fixedly installed on the top of the delivery box (3), and a plurality of receiving components are arranged on the top of the flat support plate (4) for positioning and stably transporting the workpiece to be processed; The receiving assembly includes a receiving rod (5), the receiving rod (5) is rotatably connected to the flat support plate (4), a driving assembly is provided at the bottom of the receiving rod (5), and the driving assembly is located inside the delivery box (3), an H-shaped box (6) is provided at the top of the receiving rod (5), a first telescopic rod (7) is fixedly connected to the space on both sides of the H-shaped box (6), the telescopic end of the first telescopic rod (7) is fixedly connected to a rectangular box (8), the rectangular box (8) is slidably connected to the H-shaped box (6), a connecting pipe (9) is fixedly connected to the interior of the H-shaped box (6), and the connecting pipe (9) is slidably connected to the rectangular box (8), a negative pressure assembly is provided inside the delivery box (3), the negative pressure assembly is connected to the H-shaped box (6), a first adsorption assembly is provided inside the rectangular box (8), and a second adsorption assembly is provided inside the H-shaped box (6), and the first adsorption assembly and the second adsorption assembly are both used for adsorption and positioning of the workpiece to be processed; A spacing stretching mechanism is provided between the receiving rod (5) and the rectangular box (8), and is used to stretch the spacing between the workpieces to be processed after the workpieces enter the heating zone.

2. The continuous heat treatment furnace for aluminum alloy according to claim 1, wherein: The spacing stretching mechanism includes a ring (33) and two sliding blocks (10), wherein the ring (33) is fixedly connected to the outer wall of the receiving rod (5), and a plurality of shifting rods (11) are fixedly connected to the outer wall of the ring (33) in a circular array, and the two sliding blocks (10) are each provided with a mounting groove (12), and a second telescopic rod (13) is fixedly connected inside the mounting groove (12), and the telescopic end of the second telescopic rod (13) is fixedly connected to the rectangular box (8), and the two sliding blocks (10) are slidably connected to the flat support plate (4), and the two sliding blocks (10) are each provided with an inclined surface on the side close to each other, and the inclined surface cooperates with the shifting rod (11).

3. A continuous heat treatment furnace for aluminum alloy according to claim 1, characterized in that: The first adsorption assembly has the same structure as the second adsorption assembly. The first adsorption assembly includes an adsorption hopper (14). The adsorption hopper (14) is slidably connected to the rectangular box (8). The bottom of the adsorption hopper (14) is fixedly connected to a dredging pipe (15). The dredging pipe (15) is located inside the rectangular box (8).

4. A continuous heat treatment furnace for aluminum alloy according to claim 3, characterized in that: Two groups of drainage holes (16) are provided on the top of the H-shaped box (6), and the two groups of drainage holes (16) are respectively located in the gap between two adjacent workpieces to be processed.

5. A continuous heat treatment furnace for aluminum alloy according to claim 4, characterized in that: Two ventilation slots (17) are provided on the outer wall of the connecting pipe (9), and the two ventilation slots (17) are symmetrically provided.

6. The continuous heat treatment furnace for aluminum alloy according to claim 5, characterized in that: An insertion pipe (18) is slidably connected inside the connecting pipe (9). The insertion pipe (18) is located inside the rectangular box (8). Two displacement blocks (19) are symmetrically and fixedly connected to the outer wall of the insertion pipe (18). The two displacement blocks (19) are respectively slidably connected inside the two ventilation grooves (17). The bottom of the dredging pipe (15) is slidably communicated with a connection box (20). An insertion port (21) with the same diameter as the insertion pipe (18) is provided on the connection box (20).

7. The continuous heat treatment furnace for aluminum alloy according to claim 6, wherein: An upper slider (22) is fixedly connected to the outer wall of the dredging pipe (15). The upper slider (22) is located between the adsorption hopper (14) and the connection box (20). A support block (23) is fixedly connected between the two insertion pipes (18). A guiding surface (24) is provided at one end of the upper slider (22) close to the support block (23). A top rod (25) is fixedly connected to the top of the support block (23). The top rod (25) is matched with the guiding surface (24).

8. A continuous heat treatment furnace for aluminum alloy according to claim 7, characterized in that: A plurality of baffles (26) are slidably connected inside the H-shaped box (6). The number of the baffles (26) is equal to that of the drainage holes (16). Optical rods (27) are symmetrically and fixedly connected to the outer wall of the baffles (26). The ends of the optical rods (27) are fixedly connected to the rectangular box (8).

9. The continuous heat treatment furnace for aluminum alloy according to claim 1, wherein: The negative pressure assembly includes a negative pressure pump (28). The negative pressure pump (28) is fixedly connected inside the delivery box (3). A heat insulation cover (29) is fixedly connected inside the delivery box (3). The negative pressure pump (28) is located inside the heat insulation cover (29). A negative pressure pipe (30) is fixedly communicated with the H-shaped box (6). The end of the negative pressure pipe (30) passes through the heat insulation cover (29) and is fixedly communicated with the negative pressure pump (28).

10. The continuous heat treatment furnace for aluminum alloy according to claim 1, characterized in that: The side baffle assembly includes two side plates (31). The two side plates (31) are symmetrically and fixedly connected to the top of the support frame (1). A plurality of baffle cylinders (32) are rotatably connected to one side of each of the two side plates (31) close to each other.

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