Aluminum profile heat treatment device

Abstract

The invention belongs to the technical field of aluminum profile heat treatment, and particularly relates to an aluminum profile heat treatment device which comprises a workbench, an outer shell and an inner shell. A heater is fixedly connected to the top surface of the workbench, a spiral heating pipe is arranged in the heater, and a feeding hole is formed in the side wall of the heater; a heat preservation layer is arranged between the outer shell and the inner shell, and the top face of the outer shell is fixedly connected with the bottom face of the workbench. In the downward moving process of the moving plate, the connecting pipe can suck hot air in the heater into the inner shell, so that the hot air can be stored in the inner shell, unnecessary energy waste is reduced, meanwhile, heat in the heater can be reduced, the natural cooling speed of a workpiece is increased, the hot air needs to flow back into the heater, the moving plate moves upwards, and the hot air cannot flow back into the heater. And hot air in the inner shell is pushed to enter the heater again from the connecting pipe so as to preheat the heater, and energy used for subsequent heating is reduced.

Description

Technical Field

[0001] The invention belongs to the technical field of aluminum profile heat treatment, in particular to an aluminum profile heat treatment device. Background Art

[0002] Aluminum profile heat treatment device is a kind of equipment specially used for heat treatment of aluminum profile. During the production process, aluminum profile needs to be heat treated after extrusion, stretching and other processes to improve its mechanical properties and surface quality. The heat treatment device controls the temperature and time to heat and cool the aluminum profile in a specific environment to achieve the required performance requirements.

[0003] A Chinese patent application CN217127503U discloses a tubular aluminum profile heat treatment device, the technical solution of which is as follows: it includes a workbench and legs, the legs are fixedly connected to both sides of the bottom of the workbench, a control box is fixedly connected to the middle position of the bottom of the workbench, and a heat treatment chamber is arranged on the right side of the top of the workbench. The tubular aluminum profile heat treatment device is provided with a screw hole, a screw rod, a turning handle, a guide rod and a pressing plate. When in use, the tubular aluminum profile is passed through the interior of the fixed cylinder, and then the screw rod is turned by the turning handle. When the screw rod rotates inside the screw hole, it will feed into the interior of the fixed cylinder, and the screw rod will push the pressing plate during the feeding process into the interior of the fixed cylinder.

[0004] However, the above technology often has the following defects: during the tempering heat treatment process of the aluminum profile workpiece, the aluminum profile must be heated to the required temperature using heat treatment equipment, and then the workpiece is allowed to cool naturally. During this process, the heat in the heat treatment furnace will be dissipated, and when the next workpiece needs to be heated, the furnace body must be heated again, which leads to unnecessary waste of resources. For this reason, the present invention provides an aluminum profile heat treatment device. Summary of the invention

[0005] In order to make up for the deficiencies of the prior art, at least one technical problem raised in the background technology is solved.

[0006] The technical solution adopted by the present invention to solve its technical problems is: an aluminum profile heat treatment device described in the present invention comprises a workbench, an outer shell and an inner shell; a heater is fixedly connected to the top surface of the workbench, a spiral heating tube is arranged in the heater, and a feed hole is provided on the side wall of the heater; an insulation layer is provided between the outer shell and the inner shell, the top surface of the outer shell is fixedly connected to the bottom surface of the workbench, a group of connecting pipes are connected between the inner shell and the heater, and a sealing mechanism is provided on the connecting pipes; a movable plate is sealingly and slidably connected to the inner wall of the inner shell, and the bottom surfaces of the outer shell and the inner shell are both provided with aligned first air inlet holes; a first rectangular groove is provided on the outer shell, and a baffle extending to the interior of the inner shell is sealingly and slidably connected in the first rectangular groove, and the baffle is used to limit the movable plate, and a driving component for driving the baffle to move is provided on the outer shell.

[0007] Preferably, the driving assembly includes a second rectangular groove provided on the outer shell, a magnetic plate is sealed and slidably connected in the second rectangular groove, the magnetic plate is magnetically attracted to the movable plate, a first spring is fixedly connected between the side of the magnetic plate away from the movable plate and the inner wall of the second rectangular groove, a connecting groove connected to the first rectangular groove and the second rectangular groove is provided on the outer shell, a second air inlet connected to the second rectangular groove is provided on the outer wall of the outer shell, a second spring is fixedly connected between the side of the baffle away from the movable plate and the inner wall of the first rectangular groove, a driving rod is slidably connected to the bottom surface of the outer shell, and the top surface of the driving rod is fixedly connected to the movable plate.

[0008] Preferably, the sealing mechanism comprises a fixing rod fixed to the inner wall of one end of the connecting pipe close to the shell, a sealing ball is slidably connected to the fixing rod, and a third spring fixedly connected to the fixing rod is arranged in the sealing ball.

[0009] Preferably, the sealing ball is provided with a plurality of groups of annularly evenly distributed through holes, the sealing ball is provided with a group of first circular grooves, a fourth spring is fixedly connected in the first circular groove, and the other end of the fourth spring is fixedly connected to an arc plate for sealing the through holes.

[0010] Preferably, one end of the connecting pipe located at the heater is connected to a hollow extension block, and a group of first circular holes are formed on the bottom surface of the extension block.

[0011] Preferably, a hollow block is sealingly and slidingly connected inside the extension block, the end of the hollow block away from the connecting pipe is fixedly connected to the fifth spring, the end of the hollow block away from the fifth spring is open, the bottom surface of the hollow block is provided with a second circular hole corresponding to the first circular hole, and the side of the extension block close to the fifth spring is provided with a third air inlet hole connected to the interior of the fifth spring.

[0012] Preferably, a plurality of heat dissipation grooves are provided on the top surface of the heater, a slide groove connected to the heat dissipation groove is provided on the heater, a sealing plate for sealing the heat dissipation groove is slidably connected in the slide groove, connecting holes corresponding to the heat dissipation grooves are provided on the sealing plate, and a driving component for driving the sealing plate to move is provided on the heater.

[0013] Preferably, the driving assembly includes a second circular groove opened on the heater and connected to the slide groove, a round rod is sealingly and slidingly connected in the second circular groove, a sixth spring is fixedly connected between the end of the sealing plate away from the round rod and the inner wall of the slide groove, a hollow elastic block is fixedly connected to the bottom surface of the inner shell, and a conduit is connected between the elastic block and the second circular groove.

[0014] A heat treatment process for aluminum profiles, the process adopts the above-mentioned heat treatment device for aluminum profiles, and the process comprises the following steps:

[0015] S1: Heat the aluminum profile to 450-500℃ to make the aluminum alloy at the solution temperature. Keep it at the solution temperature for 1-2 hours to ensure that the alloy elements are completely dissolved. The holding time is 30 minutes to 2 hours, depending on the thickness of the aluminum profile and the alloy composition.

[0016] S2: Heat the aluminum profile after solution treatment to an aging temperature of 120-180°C, maintain a constant temperature for 1-6 hours, take out the aluminum profile and cool it naturally or forcefully;

[0017] S3: Heating at 220-300°C causes the dissolved elements in the solid solution to precipitate and form second phase particles, thereby improving the strength and hardness of the material;

[0018] S4: The aluminum profile is heated in a heater to a temperature between 300-450°C, depending on the specific alloy type, and the holding time is 1-2 hours, so that the grains can be recrystallized and the internal stress can be eliminated;

[0019] S5: Stop heating the heater and allow the inside of the heater to slowly cool to room temperature to prevent excessive cooling from causing new internal stress in the material;

[0020] S6: During the cooling process, the hot air in the heater is sucked into the inner shell so as to be preheated when the heater needs to be heated next time.

[0021] The beneficial effects of the present invention are as follows:

[0022] 1. In the process of the movable plate moving downward, the connecting pipe of the present invention will draw the hot air in the heater into the inner shell, so that the hot air can be stored in the inner shell, reducing unnecessary energy waste. At the same time, it can also reduce the heat in the heater, thereby accelerating the natural cooling rate of the workpiece. The hot air needs to flow back into the heater, so that the movable plate moves upward and pushes the hot air in the inner shell to re-enter the heater through the connecting pipe to preheat the heater, thereby reducing the energy required for subsequent heating.

[0023] 2. When the movable plate in the present invention moves downward, the gas will suck the sealing ball, causing the sealing ball to move to the side away from the fixed rod, so that the sealing ball no longer contacts the port of the connecting pipe. At this time, the gas in the heater can enter the inner shell from the connecting pipe normally, thereby achieving the effect of automatically no longer sealing the connecting pipe during the downward movement of the movable plate. When the movable plate stops moving, the third spring will pull the sealing ball to reset, thereby fitting and sealing with the port of the connecting pipe. In the present application, when the hot air in the inner shell needs to enter the heater, the movable plate is controlled to move upward by the driving rod. At this time, the hot air will push the arc plate through the through hole, so that the arc plate no longer seals the through hole. At this time, the hot air will enter the connecting pipe from the through hole, and finally enter the heater. Through the above-mentioned mechanism, in the process of the movable plate moving, the hot air can be controlled to enter the inner shell, and then the connecting pipe can be sealed to prevent the loss of hot air. When the hot air needs to be discharged, the hot air can be discharged normally. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] The present invention will be further described below in conjunction with the accompanying drawings.

[0025] Figure 1 is a three-dimensional diagram of a heat treatment device in the present invention;

[0026] Figure 2 It is a schematic diagram of the internal structure of the heater and the inner shell in the present invention;

[0027] Figure 3 yes Figure 2 A magnified image of point A;

[0028] Figure 4 yes Figure 2 The enlarged view of point B;

[0029] Figure 5 It is a schematic diagram of the internal structure of the lengthened block and the hollow block in the present invention;

[0030] Figure 6 is a cross-sectional view of the heater and the inner shell of the present invention;

[0031] Figure 7 yes Figure 6 Enlarged view of point C;

[0032] Figure 8 It is a process flow chart of the present invention.

[0033] In the figure: 1. workbench; 2. heater; 3. connecting pipe; 4. outer shell; 5. movable plate; 6. insulation layer; 7. inner shell; 8. first rectangular groove; 9. baffle; 10. spiral heating tube; 11. second rectangular groove; 12. magnetic plate; 13. connecting groove; 14. driving rod; 15. feeding hole; 16. fixing rod; 17. sealing ball; 18. slide groove; 19. through hole; 20. arc plate; 21. first circular groove; 22. extension block; 23. hollow block; 24. first circular hole; 25. second circular hole; 26. sealing plate; 27. connecting hole; 28. round rod; 29. ​​second circular groove; 30. conduit; 31. elastic block. DETAILED DESCRIPTION

[0034] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further explained below in conjunction with specific implementation methods.

[0035] Embodiment 1: Figures 1 to 5 As shown, an aluminum profile heat treatment device described in an embodiment of the present invention comprises a workbench 1, an outer shell 4 and an inner shell 7; a heater 2 is fixedly connected to the top surface of the workbench 1, a spiral heating tube 10 is arranged in the heater 2, and a feed hole 15 is provided on the side wall of the heater 2; an insulation layer 6 is provided between the outer shell 4 and the inner shell 7, the top surface of the outer shell 4 is fixedly connected to the bottom surface of the workbench 1, a group of connecting pipes 3 are connected between the inner shell 7 and the heater 2, and a sealing mechanism is provided on the connecting pipe 3; a movable plate 5 is sealingly and slidably connected to the inner wall of the inner shell 7, and the bottom surfaces of the outer shell 4 and the inner shell 7 are both provided with aligned first air inlet holes; a first rectangular groove 8 is provided on the outer shell 4, and a baffle 9 extending to the inside of the inner shell 7 is sealingly and slidably connected in the first rectangular groove 8, and the baffle 9 is used to limit the movable plate 5, and a driving component for driving the baffle 9 to move is provided on the outer shell 4;

[0036] The present application can convey the aluminum profile workpiece from the feed hole 15 into the heater 2 through the conveying device, and then heat the workpiece with the help of the spiral heating tube 10. When it is heated to a certain temperature, the temperature is kept constant for a period of time, and then the heating is stopped to allow the workpiece to cool naturally to complete the tempering heat treatment of the workpiece. During the heating process, the sealing mechanism seals the connecting pipe 3, and heat will not enter the inner shell 7. Then, when the heating of the workpiece is completed and the workpiece is waiting for natural cooling, the sealing mechanism can no longer seal the connecting pipe 3, and at the same time, the driving assembly drives the baffle 9 to no longer block the movable plate 5. At this time, the movable plate 5 will be blocked due to the weight. During the downward movement, the connecting pipe 3 will draw the hot air in the heater 2 into the inner shell 7, so that the hot air can be stored in the inner shell 7. At the same time, the heat in the heater 2 can be reduced, thereby accelerating the natural cooling rate of the workpiece. When the movable plate 5 can no longer move, the sealing mechanism can seal the connecting pipe 3, and the thermal insulation layer 6 can be insulated to reduce the loss of heat. The hot air needs to flow back into the heater 2, so that the movable plate 5 can move upward and push the hot air in the inner shell 7 to re-enter the heater 2 from the connecting pipe 3 to preheat the heater 2 and reduce the energy required for subsequent heating.

[0037] The driving assembly includes a second rectangular groove 11 provided on the outer shell 4, a magnetic plate 12 is sealed and slidably connected in the second rectangular groove 11, the magnetic plate 12 is magnetically attracted to the movable plate 5, a first spring is fixedly connected between the side of the magnetic plate 12 away from the movable plate 5 and the inner wall of the second rectangular groove 11, a connecting groove 13 connected to the first rectangular groove 8 and the second rectangular groove 11 is provided on the outer shell 4, a second air inlet connected to the second rectangular groove 11 is provided on the outer wall of the outer shell 4, a second spring is fixedly connected between the side of the baffle plate 9 away from the movable plate 5 and the inner wall of the first rectangular groove 8, a driving rod 14 is slidably connected to the bottom surface of the outer shell 4, and the top surface of the driving rod 14 is fixedly connected to the movable plate 5;

[0038] When the movable plate 5 needs to move downward, the driving rod 14 is used to push the movable plate 5 upward, so that the movable plate 5 is misaligned with the magnetic plate 12. At this time, the first spring will pull the magnetic plate 12 to move to the side away from the movable plate 5, and at the same time, the gas in the first rectangular groove 8 is sucked into the second rectangular groove 11. At this time, the baffle 9 will be retracted into the first rectangular groove 8 under the pull of the second spring, and then the driving rod 14 is released. At this time, the movable plate 5 will move downward quickly. When passing the magnetic plate 12, the movable plate 5 will first move to the front of the baffle 9, so that the baffle 9 will not Then block the movable plate 5. During the movement of the movable plate 5, the hot air in the heater 2 can be sucked into the inner shell 7. When the movable plate 5 needs to be limited, the movable plate 5 can be moved to the position of the magnetic plate 12. At this time, the magnetic plate 12 will be sucked, thereby pushing the gas in the second rectangular groove 11 into the first rectangular groove 8 from the connecting groove 13. Then the gas will push the baffle 9, so that the baffle 9 is blocked under the movable plate 5, waiting for the next use of the movable plate 5. The movable plate 5 can be limited quickly and conveniently through the above mechanism.

[0039] The sealing mechanism includes a fixing rod 16 fixed to the inner wall of one end of the connecting tube 3 close to the outer shell 4, and a sealing ball 17 is slidably connected to the fixing rod 16, and a third spring fixedly connected to the fixing rod 16 is arranged in the sealing ball 17; when the movable plate 5 in the present application moves downward, the gas will suck the sealing ball 17, so that the sealing ball 17 moves to the side away from the fixing rod 16, so that the sealing ball 17 no longer contacts the port of the connecting tube 3, and the gas in the heater 2 can normally enter the inner shell 7 from the connecting tube 3, thereby achieving the effect of automatically stopping the sealing of the connecting tube 3 during the downward movement of the movable plate 5, and when the movable plate 5 stops moving, the third spring will pull the sealing ball 17 to reset, thereby fitting and sealing with the port of the connecting tube 3.

[0040] The sealing ball 17 is provided with a plurality of groups of annularly evenly distributed through holes 19, and the sealing ball 17 is provided with a group of first circular grooves 21, and a fourth spring is fixedly connected in the first circular grooves 21, and the other end of the fourth spring is fixedly connected to an arc plate 20 that seals the through hole 19; in the present application, when the hot air in the inner shell 7 needs to enter the heater 2, the driving rod 14 is used to control the movable plate 5 to move upward, and at this time the hot air will push the arc plate 20 through the through hole 19, so that the arc plate 20 no longer seals the through hole 19, and at this time the hot air will enter the connecting pipe 3 from the through hole 19, and finally enter the heater 2. Through the above-mentioned mechanism, in the process of moving on the movable plate 5, the hot air can be controlled to enter the inner shell 7, and then the connecting pipe 3 can be sealed to prevent the loss of hot air, and when the hot air needs to be discharged, the hot air can be discharged normally.

[0041] The connecting pipe 3 is located at one end of the heater 2 and is connected to a hollow extension block 22, and a group of first circular holes 24 are opened on the bottom surface of the extension block 22; when the hot air enters the connecting pipe 3, the hot air will enter the extension block 22 from the multiple first circular holes 24, thereby evenly drawing out the hot air in the heater 2, and finally enter the inner shell 7 from the connecting pipe 3, thereby improving the uniformity of the hot air suction of the heater 2.

[0042] A hollow block 23 is sealed and slidably connected inside the extension block 22, and a fifth spring is fixedly connected to one end of the hollow block 23 away from the connecting pipe 3. The end of the hollow block 23 away from the fifth spring is opened, and a second circular hole 25 corresponding to the first circular hole 24 is provided on the bottom surface of the hollow block 23, and a third air inlet hole connected to the interior of the extension block 22 is provided on the side close to the fifth spring; when the connecting pipe 3 in the present application sucks gas, it will suck the hollow block 23 to move, so that the first circular hole 24 is aligned with the second circular hole 25, so that the gas can be sucked into the hollow block 23, and then enter the inner shell 7 from the connecting pipe 3, and when the hot gas in the inner shell 7 is discharged, the gas will push the hollow block 23, so that the first circular hole 24 is aligned with the second circular hole 25, and then the hot gas can be evenly discharged from the first circular hole 24 into the heater 2 to improve the preheating effect of the heater 2.

[0043] Embodiment 2: Figure 6 to Figure 7 As shown, compared with Example 1, another implementation of the present invention is: a plurality of heat dissipation grooves are provided on the top surface of the heater 2, a slide groove 18 connected to the heat dissipation groove is provided on the heater 2, a sealing plate 26 for sealing the heat dissipation groove is slidably connected in the slide groove 18, a connecting hole 27 corresponding to the heat dissipation groove is provided on the sealing plate 26, and a driving component for driving the sealing plate 26 to move is provided on the heater 2; after the heating of the workpiece is completed and the hot air is recovered to the inner shell 7, the driving component can be used to drive the connecting hole 27 on the sealing plate 26 to align with the heat dissipation hole, at this time, the heat in the heater 2 can be quickly dissipated from the heat dissipation groove, the natural cooling rate of the workpiece can be accelerated, and after the workpiece is cooled, the storage time of the hot air in the inner shell 7 can be shortened, and the time for the hot air to flow back to the heater 2 can be accelerated.

[0044] The driving assembly includes a second circular groove 29 opened on the heater 2 and connected to the slide groove 18, a round rod 28 is sealed and slidably connected in the second circular groove 29, a sixth spring is fixedly connected between the end of the sealing plate 26 away from the round rod 28 and the inner wall of the slide groove 18, a hollow elastic block 31 is fixedly connected to the bottom surface of the inner shell 7, and a conduit 30 is connected between the elastic block 31 and the second circular groove 29; the movable plate 5 in the present application will squeeze the elastic block 31 during the downward movement, which means that the work of sucking hot air into the inner shell 7 has been completed. When the elastic block 31 is squeezed, the gas in the elastic block 31 will enter the second circular groove 29 from the conduit 30 to push the round rod 28, so that the round rod 28 drives the connecting hole 27 on the sealing plate 26 to be connected with the air outlet groove, so as to dissipate the hot air in the heater 2. After the hot air is sucked through the above-mentioned mechanism, the heat dissipation groove can be opened to normally dissipate the heat in the heater 2.

[0045] like Figure 8 As shown, a heat treatment process for aluminum profiles is provided, the process adopts the above-mentioned heat treatment device for aluminum profiles, and the process comprises the following steps:

[0046] S1: Heat the aluminum profile to 450-500℃ to make the aluminum alloy at the solution temperature. Keep it at the solution temperature for 1-2 hours to ensure that the alloy elements are completely dissolved. The holding time is 30 minutes to 2 hours, depending on the thickness of the aluminum profile and the alloy composition.

[0047] S2: Heat the aluminum profile after solution treatment to an aging temperature of 120-180°C, maintain a constant temperature for 1-6 hours, take out the aluminum profile and cool it naturally or forcefully;

[0048] S3: Heating at 220-300°C causes the dissolved elements in the solid solution to precipitate and form second phase particles, thereby improving the strength and hardness of the material;

[0049] S4: heating the aluminum profile in the heater 2 to between 300-450°C, depending on the type of the specific alloy, and the holding time is 1-2 hours, so that the grains can be recrystallized and the internal stress can be eliminated;

[0050] S5: Stop the heating of heater 2 and allow the inside of heater 2 to slowly cool to room temperature to prevent

[0051] Too fast cooling causes new internal stress in the material;

[0052] S6: During the cooling process, the hot air in the heater 2 is sucked into the inner shell 7 so as to be preheated when the heater 2 needs to be heated next time.

[0053] Working principle: The present application can convey the aluminum profile workpiece from the feed hole 15 into the heater 2 through the conveying device, and then heat the workpiece with the help of the spiral heating tube 10. When it is heated to a certain temperature, the temperature is kept constant for a period of time, and then the heating is stopped to allow the workpiece to cool naturally to complete the tempering heat treatment of the workpiece. During the heating process, the sealing mechanism seals the connecting pipe 3, and the heat will not enter the inner shell 7. Then, after the heating of the workpiece is completed and the workpiece is waiting for natural cooling, the sealing mechanism can stop sealing the connecting pipe 3, and at the same time, the driving assembly drives the baffle 9 to stop moving. The movable plate 5 is blocked. At this time, the movable plate 5 will move downward due to its weight. During the downward movement, the connecting pipe 3 will draw the hot air in the heater 2 into the inner shell 7, so that the hot air can be stored in the inner shell 7, and the heat in the heater 2 can be reduced at the same time, thereby accelerating the natural cooling rate of the workpiece. When the movable plate 5 can no longer move, the sealing mechanism can seal the connecting pipe 3, and the thermal insulation layer 6 can be insulated to reduce the loss of heat. The hot air needs to flow back to the heater 2, so that the movable plate 5 moves upward, and the hot air in the inner shell 7 is pushed from the connecting pipe 3 to re-enter the inner shell 7. The heater 2 is in the heater 2 to preheat the heater 2 and reduce the energy required for subsequent heating; when the movable plate 5 needs to move downward, the driving rod 14 pushes the movable plate 5 upward, so that the movable plate 5 and the magnetic plate 12 are misaligned. At this time, the first spring pulls the magnetic plate 12 to move to the side away from the movable plate 5, and at the same time, the gas in the first rectangular groove 8 is sucked into the second rectangular groove 11. At this time, the baffle 9 will be pulled into the first rectangular groove 8 by the second spring, and then the driving rod 14 is released. At this time, the movable plate 5 will move downward quickly. When passing the magnetic plate 12, the movable plate 5 will first Move to the front of the baffle 9 so that the baffle 9 no longer blocks the movable plate 5. At this time, during the movement of the movable plate 5, the hot air in the heater 2 can be sucked into the inner shell 7. When the movable plate 5 needs to be limited, the movable plate 5 can be moved to the position of the magnetic plate 12. At this time, the magnetic plate 12 will be sucked, thereby pushing the gas in the second rectangular groove 11 into the first rectangular groove 8 from the connecting groove 13, and then the gas will push the baffle 9 so that the baffle 9 is blocked under the movable plate 5, waiting for the next use of the movable plate 5. The movable plate 5 can be limited quickly and conveniently through the above mechanism;

[0054] When the movable plate 5 in the present application moves downward, the gas will suck the sealing ball 17, causing the sealing ball 17 to move to the side away from the fixed rod 16, so that the sealing ball 17 is no longer in contact with the port of the connecting pipe 3. At this time, the gas in the heater 2 can normally enter the inner shell 7 from the connecting pipe 3, thereby achieving the effect of automatically no longer sealing the connecting pipe 3 during the downward movement of the movable plate 5. When the movable plate 5 stops moving, the third spring will pull the sealing ball 17 to reset, thereby fitting and sealing with the port of the connecting pipe 3; the present application When the hot air in the inner shell 7 needs to enter the heater 2, the driving rod 14 is used to control the movable plate 5 to move upward. At this time, the hot air will pass through the through hole 19 to push the arc plate 20, so that the arc plate 20 no longer seals the through hole 19. At this time, the hot air will enter the connecting pipe 3 from the through hole 19, and finally enter the heater 2. Through the above mechanism, in the process of moving on the movable plate 5, the hot air can be controlled to enter the inner shell 7, and then the connecting pipe 3 is sealed to prevent the loss of hot air, and when the hot air needs to be discharged, the hot air can be discharged normally;

[0055] In the present application, when hot air enters the connecting pipe 3, the hot air will enter the extension block 22 from the multiple first circular holes 24, thereby evenly drawing out the hot air in the heater 2, and finally enter the inner shell 7 from the connecting pipe 3, thereby improving the uniformity of sucking hot air from the heater 2; when the connecting pipe 3 in the present application sucks the gas, it will suck the hollow block 23 to move, so that the first circular hole 24 is aligned with the second circular hole 25, so that the gas can be drawn into the hollow block 23, and then enter the inner shell 7 from the connecting pipe 3. When the hot air in the inner shell 7 is discharged, the gas will push the hollow block 23, so that the first circular hole 24 is aligned with the second circular hole 25. At this time, the hot air can be evenly discharged from the first circular hole 24 into the heater 2 to improve the preheating effect of the heater 2.

[0056] The above-mentioned front, back, left, right, top and bottom are all based on the figures in the specification. Figure 1 As a benchmark, according to the person's observation perspective, the side of the device facing the observer is defined as the front, the left side of the observer is defined as the left, and so on.

[0057] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as limiting the scope of protection of the present invention.

[0058] The above shows and describes the basic principles, main features and advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments. The above embodiments and descriptions are only for explaining the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. An aluminum profile heat treatment device, comprising a workbench (1), an outer shell (4) and an inner shell (7); characterized in that: The top surface of the workbench (1) is fixedly connected to a heater (2), a spiral heating tube (10) is arranged inside the heater (2), and a feed hole (15) is opened on the side wall of the heater (2); A heat-insulating layer (6) is provided between the outer shell (4) and the inner shell (7); the top surface of the outer shell (4) is fixedly connected to the bottom surface of the workbench (1); a group of connecting pipes (3) are connected between the inner shell (7) and the heater (2); and a sealing mechanism is provided on the connecting pipes (3); The inner wall of the inner shell (7) is sealingly and slidably connected to a movable plate (5), and the bottom surfaces of the outer shell (4) and the inner shell (7) are both provided with aligned first air inlet holes; The outer shell (4) is provided with a first rectangular groove (8), the first rectangular groove (8) is sealingly and slidably connected with a baffle (9) extending into the inner shell (7), the baffle (9) being used to limit the position of the movable plate (5), and the outer shell (4) is provided with a driving component for driving the baffle (9) to move.

2. The aluminum profile heat treatment device according to claim 1, characterized in that: The driving assembly comprises a second rectangular groove (11) provided on the outer shell (4); a magnetic plate (12) is sealed and slidably connected in the second rectangular groove (11); the magnetic plate (12) is magnetically attracted to the movable plate (5); a first spring is fixedly connected between the side of the magnetic plate (12) away from the movable plate (5) and the inner wall of the second rectangular groove (11); a connecting groove (13) connected to the first rectangular groove (8) and the second rectangular groove (11) is provided on the outer shell (4); a second air inlet hole connected to the second rectangular groove (11) is provided on the outer wall of the outer shell (4); a second spring is fixedly connected between the side of the baffle plate (9) away from the movable plate (5) and the inner wall of the first rectangular groove (8); a driving rod (14) is slidably connected to the bottom surface of the outer shell (4); and the top surface of the driving rod (14) is fixedly connected to the movable plate (5).

3. The aluminum profile heat treatment device according to claim 2, characterized in that: The sealing mechanism comprises a fixing rod (16) fixed to the inner wall of one end of the connecting pipe (3) close to the outer shell (4); a sealing ball (17) is slidably connected to the fixing rod (16); a third spring fixedly connected to the fixing rod (16) is arranged inside the sealing ball (17).

4. The aluminum profile heat treatment device according to claim 3, characterized in that: The sealing ball (17) is provided with a plurality of groups of annular evenly distributed through holes (19), the sealing ball (17) is provided with a group of first circular grooves (21), a fourth spring is fixedly connected in the first circular groove (21), and the other end of the fourth spring is fixedly connected to an arc plate (20) that seals the through holes (19).

5. The aluminum profile heat treatment device according to claim 4, characterized in that: One end of the connecting pipe (3) located on the heater (2) is connected to a hollow extension block (22), and a group of first circular holes (24) are formed on the bottom surface of the extension block (22).

6. The aluminum profile heat treatment device according to claim 5, characterized in that: A hollow block (23) is sealingly and slidably connected inside the extension block (22); one end of the hollow block (23) away from the connecting pipe (3) is fixedly connected to a fifth spring; one end of the hollow block (23) away from the fifth spring is open; a second circular hole (25) corresponding to the first circular hole (24) is formed on the bottom surface of the hollow block (23); and a third air inlet hole communicating with the interior of the fifth spring is formed on a side of the extension block (22) close to the fifth spring.

7. The aluminum profile heat treatment device according to claim 6, characterized in that: The top surface of the heater (2) is provided with a plurality of heat dissipation grooves, the heater (2) is provided with a slide groove (18) connected to the heat dissipation groove, a sealing plate (26) is slidably connected in the slide groove (18) for sealing the heat dissipation groove, the sealing plate (26) is provided with connection holes (27) corresponding to the heat dissipation grooves, and the heater (2) is provided with a driving component for driving the sealing plate (26) to move.

8. The aluminum profile heat treatment device according to claim 7, characterized in that: The driving assembly comprises a second circular groove (29) provided on the heater (2) and connected to the slide groove; a round rod (28) is sealingly and slidably connected in the second circular groove (29); a sixth spring is fixedly connected between the end of the sealing plate (26) away from the round rod (28) and the inner wall of the slide groove; a hollow elastic block (31) is fixedly connected to the bottom surface of the inner shell (7); and a conduit (30) is connected between the elastic block (31) and the second circular groove (29).

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