Extrusion die for high-temperature-resistant aluminum alloy bar
By using water pumps, pumps, cooling pipes, drainage pipes and ceramic coatings in aluminum alloy rod extrusion molds, the problems of thermal fatigue and wear of traditional molds at high temperatures are solved, and a higher degree of Heat resistance and production efficiency.
Patent Information
- Application Number
- CN202421341842.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-12
- Publication Date
- 2025-02-25
- Estimated Expiration
- 2034-06-12
AI Technical Summary
Traditional aluminum alloy rod extrusion molds are prone to thermal fatigue, wear and other problems in high temperature environments, resulting in unstable product quality.
A high-temperature resistant aluminum alloy rod extrusion mold is designed, using a water pump and a water pump, a cooling pipe, and a drainage pipe. The heat exchange and cooling are carried out through the circulating water-cooled liquid, combined with ceramic coating and multi-S bend exchange The design of the heat pipe improves the heat resistance and cooling efficiency of the mold.
It effectively reduces the wear and thermal fatigue of the extrusion mold at high temperatures, improves product quality and production efficiency, and extends the service life of the mold.
Smart Images
Figure CN222519565U_ABST
Abstract
Description
Technical Field
[0001] The present application relates to the technical field of aluminum alloy bar processing tools, and in particular to an extrusion die for high temperature resistant aluminum alloy bars. Background Art
[0002] As a lightweight, high-strength material, aluminum alloy bars are widely used in aviation, automobiles, construction and other fields. With the continuous development of industrial technology, the performance requirements for aluminum alloy bars are getting higher and higher, especially the performance in high temperature environments. Therefore, the development of a high-temperature resistant aluminum alloy bar extrusion die is of great significance to improving the quality and production efficiency of aluminum alloy bars.
[0003] In the traditional aluminum alloy bar extrusion process, first, the aluminum alloy bars are pre-treated, such as heating and cutting, to adapt to the requirements of the extruder. Subsequently, these bars are sent to the heating chamber of the extruder for further heating to increase their plasticity. When the appropriate temperature is reached, the bars are sent to the extrusion nozzle and die part of the extruder. During the extrusion process, the aluminum alloy bars pass through the die cavity under high pressure, and the shape of the die determines the cross-sectional shape of the bars after extrusion.
[0004] Since this process needs to overcome the internal friction and deformation resistance of the material, the inside of the extrusion nozzle and the mold will be subjected to extremely high pressure and temperature, which causes the extrusion nozzle and the mold to often suffer from thermal fatigue, wear and other problems due to high temperature, resulting in unstable product quality. Utility Model Content
[0005] The purpose of the present application is to solve the problem that the extrusion nozzle and the die often suffer from thermal fatigue and wear due to high temperature, resulting in unstable product quality. The present application provides an extrusion die for high temperature resistant aluminum alloy bars.
[0006] In order to achieve the above-mentioned purpose, this application specifically adopts the following technical solutions:
[0007] A high temperature resistant aluminum alloy bar extrusion die comprises an L-shaped base, one end of the L-shaped base is provided with an arc-shaped extrusion track, one side of the arc-shaped extrusion track is provided with a discharge bin, the interior of the discharge bin is fixedly connected with a discharge barrel, one end of the discharge barrel is provided with a discharge die, the top of the L-shaped base is fixedly connected with a water pump connected with the discharge bin, the input end of the water pump is fixedly connected with a water pumping pipe, the input end of the water pumping pipe is fixedly connected with a cooling pipe, the input end of the cooling pipe is fixedly connected with a drain pipe, the drain pipe is connected with the bottom output end of the discharge bin, the cooling pipe is pre-buried underground, one end of the L-shaped base is fixedly connected with a hydraulic push rod, the output end of the hydraulic push rod extends to the interior of the arc-shaped extrusion track and is fixedly connected with an extrusion plate.
[0008] By adopting the above technical scheme, by setting up the coordinated use of the water pump and the water pumping pipe, the cooling pipe and the drainage pipe, it is convenient to start the hydraulic push rod to drive the extrusion plate to push the aluminum alloy bar along the length direction of the arc extrusion track through the discharge barrel and the discharge die. By starting the water pump, the water-cooling liquid inside the cooling pipe is pumped to circulate along the water pumping pipe, the discharge bin, the drainage pipe and the cooling pipe. After the water-cooling liquid enters the discharge bin and completes the heat exchange with the discharge barrel, it is introduced into the cooling pipe to use the underground soil layer for heat exchange and cooling. In this way, it is convenient to use the circulating cooling of the cooling liquid between the cooling pipe and the discharge bin to realize water-cooling heat dissipation of the working area inside the discharge barrel, thereby improving the production quality of the device.
[0009] Furthermore, the cooling tube is configured as a multi-S-bend heat exchange tube.
[0010] By adopting the above technical solution, by setting the cooling pipe as a multi-S-bend heat exchange pipe, the distance of the coolant passing through the cooling pipe is effectively extended, the heat exchange area between the cooling pipe and the underground soil layer is increased, thereby effectively improving the heat exchange efficiency of the cooling pipe.
[0011] Furthermore, the discharge cylinder is configured as a conical die extrusion cylinder.
[0012] By adopting the above technical solution and setting the discharge cylinder as a conical die extrusion cylinder, the aluminum alloy bar is gradually deformed during the extrusion process, thereby achieving uniform flow of the metal and improving the practicability of the device.
[0013] Furthermore, the arc-shaped extrusion track and the inner side of the discharge bin are both fixedly connected with a ceramic coating.
[0014] By adopting the above technical scheme, by arranging the ceramic coating in coordination with the arc extrusion track and the discharge bin, the aluminum alloy rod forms a barrier layer through the ceramic coating and the arc extrusion track and the inner side of the discharge bin, thereby effectively reducing the wear of the arc extrusion track and the inner side of the discharge bin, and improving the heat resistance of the arc extrusion track and the inside of the discharge bin.
[0015] Furthermore, a plurality of water dividing plates are symmetrically and evenly fixedly connected inside the discharge bin, and the plurality of water dividing plates are arranged in an arc shape below the output end of the water pump.
[0016] By adopting the above technical solution, by arranging multiple water dividing plates in an arc shape below the output end of the water pump, it is convenient to guide and divert the coolant pumped into the discharge bin by the water pump, so that the coolant is evenly distributed along the surface of the discharge barrel after entering the discharge bin, effectively improving the heat exchange and cooling effect of the coolant on the discharge barrel.
[0017] Furthermore, a plurality of heat dissipation fins are symmetrically and evenly fixedly connected to the outer side of the discharge barrel.
[0018] By adopting the above technical solution, the heat exchange area between the discharge barrel and the coolant is effectively increased by providing heat dissipation fins, and the heat exchange and cooling efficiency of the device is further improved.
[0019] Furthermore, a fixed threaded collar is fixedly connected to the periphery of the discharging die, and an output end of the discharging barrel is provided with an internal connecting thread groove threadably connected to the fixed threaded collar.
[0020] By adopting the above technical solution, by setting the fixed threaded ring and the internal connecting threaded groove for use together, it is convenient to drive the discharge mold out of the inside of the discharge barrel by loosening the fixed threaded ring, thereby realizing the rapid replacement of the discharge mold and improving the practicability of the device.
[0021] Furthermore, one end of the L-shaped base is slidably connected to an arc-shaped sealing cover, and the arc-shaped sealing cover is installed on the top of the arc-shaped extrusion track. One side of the L-shaped base is rotatably connected to a driving screw, one end of the arc-shaped sealing cover is fixedly connected to a transmission rod threadedly connected to the driving screw, one end of the L-shaped base is fixedly connected to a driving motor, and the output end of the driving motor is fixedly connected to the driving screw.
[0022] By adopting the above technical scheme, by setting the coordinated use of the transmission rod and the driving screw, the transmission rod can be driven by starting the driving motor to drive the arc-shaped sealing cover to move along the length direction of the driving screw, so that after the heated aluminum alloy rod is placed into the interior of the arc-shaped extrusion track, the arc-shaped sealing cover is driven to move along the length direction of the driving screw to the top of the arc-shaped extrusion track to form a sealed cover for the top of the arc-shaped extrusion track, thereby effectively reducing the deformation of the aluminum alloy rod inside the arc-shaped extrusion track after extrusion and the overflow of the arc-shaped extrusion track, thereby effectively improving the practicability of the device.
[0023] In summary, the present application includes at least one of the following beneficial effects:
[0024] 1. By setting up the coordinated use of the water pump with the water pumping pipe, the cooling pipe and the drainage pipe, it is convenient to start the hydraulic push rod to drive the extrusion plate to push the aluminum alloy bar along the length direction of the arc extrusion track through the discharge barrel and the discharge die. By starting the water pump, the water-cooling liquid inside the cooling pipe is pumped along the water pumping pipe, the discharge bin, the drainage pipe and the cooling pipe to circulate, so that the water-cooling liquid enters the discharge bin and completes the heat exchange with the discharge barrel, and then is introduced into the cooling pipe to use the underground soil layer for heat exchange and cooling, so as to facilitate the circulation of the cooling liquid between the cooling pipe and the discharge bin to achieve water-cooling heat dissipation of the working area inside the discharge barrel, thereby improving the production quality of the device.
[0025] 2. By setting up the coordinated use of the transmission rod and the driving screw, the transmission rod can be driven by starting the driving motor to drive the arc-shaped sealing cover to move along the length direction of the driving screw, so that after the heated aluminum alloy rod is placed into the interior of the arc-shaped extrusion track, the arc-shaped sealing cover is driven to move along the length direction of the driving screw to the top of the arc-shaped extrusion track to form a sealed cover for the top of the arc-shaped extrusion track, thereby effectively reducing the deformation of the aluminum alloy rod inside the arc-shaped extrusion track after extrusion and the overflow of the arc-shaped extrusion track, thereby effectively improving the practicability of the device. BRIEF DESCRIPTION OF THE DRAWINGS
[0026] Figure 1 It is a schematic diagram of the three-dimensional structure of the device body in this application.
[0027] Figure 2 It is a schematic diagram of the internal structure of the arc extrusion track in this application.
[0028] Figure 3 yes Figure 2 Enlarged view of point A in the middle.
[0029] Figure 4 It is a schematic diagram of the three-dimensional structure of the heat dissipation fins in this application.
[0030] Figure 5 yes Figure 2 Enlarged view of point B in the middle.
[0031] Description of reference numerals:
[0032] 1. L-shaped base; 2. Arc-shaped extrusion track; 3. Discharge bin; 4. Discharge barrel; 5. Discharge mold; 6. Water pump; 7. Suction pipe; 8. Cooling pipe; 9. Drain pipe; 10. Hydraulic push rod; 11. Extrusion plate; 12. Water distribution plate; 13. Heat dissipation fins; 14. Fixed threaded collar; 15. Internal connection thread groove; 16. Arc-shaped sealing cover; 17. Drive screw; 18. Transmission rod; 19. Drive motor. DETAILED DESCRIPTION
[0033] The following is combined with Figure 1-5 This application is described in further detail.
[0034] The embodiment of the present application discloses an extrusion die for high temperature resistant aluminum alloy bars.
[0035] Reference Figure 1-Figure 3, an extrusion die for a high-temperature resistant aluminum alloy bar, comprising an L-shaped base 1, an arc-shaped extrusion track 2 is provided at one end of the L-shaped base 1, a discharge bin 3 is provided on one side of the arc-shaped extrusion track 2, a discharge barrel 4 is fixedly connected to the inside of the discharge bin 3, a discharge die 5 is installed at one end of the discharge barrel 4, a water pump 6 connected to the discharge bin 3 is fixedly connected to the top of the L-shaped base 1, a water pump 7 is fixedly connected to the input end of the water pump 6, a cooling pipe 8 is fixedly connected to the input end of the water pump 7, a drain pipe 9 is fixedly connected to the input end of the cooling pipe 8, the drain pipe 9 is connected to the bottom output end of the discharge bin 3, the cooling pipe 8 is pre-buried underground, a hydraulic push rod 10 is fixedly connected to one end of the L-shaped base 1, the output end of the hydraulic push rod 10 extends to the inside of the arc-shaped extrusion track 2, and is fixedly connected to an extrusion plate 11;
[0036] Wherein, the cooling tube 8 is configured as a multi-S-bend heat exchange tube;
[0037] Moreover, the inner sides of the arc-shaped extrusion track 2 and the discharge bin 3 are both fixedly connected with a ceramic coating;
[0038] Furthermore, a plurality of water dividing plates 12 are symmetrically and evenly fixedly connected inside the discharge bin 3 , and the plurality of water dividing plates 12 are arranged in an arc shape below the output end of the water pump 6 .
[0039] When in use, firstly, the heated aluminum alloy bar is placed inside the arc extrusion track 2, and then the hydraulic push rod 10 is started to drive the extrusion plate 11 to push the aluminum alloy bar along the length direction of the arc extrusion track 2 through the discharge barrel 4 and the discharge die 5, and extrusion molding is performed, and at the same time, the aluminum alloy bar is extruded with the ceramic coating inside the arc extrusion track 2 and the discharge bin 3, which effectively reduces the wear intensity of the arc extrusion track 2 and the inner side of the discharge bin 3, and improves the heat resistance of the arc extrusion track 2 and the inner side of the discharge bin 3. Then, the water cooling liquid inside the cooling pipe 8 is pumped into the inside of the discharge bin 3 by starting the water pump 6 and cooperating with the pumping pipe 7, and after the cooling liquid enters the inside of the discharge bin 3, it is evenly filled in the inside of the discharge bin 3 along the surface of multiple water diversion sheets 12, and at the same time, the cooling liquid is attached to the surface of the discharge barrel 4, and heat is exchanged with the discharge barrel 4 to reduce the working temperature inside the discharge barrel 4, thereby effectively reducing the thermal fatigue and wear of the discharge barrel 4 caused by the extrusion of the aluminum alloy bar. Then, the coolant after heat exchange inside the discharge bin 3 is introduced into the cooling pipe 8 through the drain pipe 9, and the cooling pipe 8 is used to exchange heat and cool the underground soil layer, so as to facilitate the circulation and cooling of the coolant between the cooling pipe 8 and the discharge bin 3, realize water cooling of the working area inside the discharge barrel 4, and improve the production quality of the device.
[0040] Reference Figure 2 and Figure 4 The discharge cylinder 4 is configured as a conical die extrusion cylinder.
[0041] During use, when the hydraulic push rod 10 is started to drive the extrusion plate 11 to push the aluminum alloy rod into the discharge barrel 4 and pass through the discharge die 5 for extrusion molding, the aluminum alloy rod is squeezed by the inner wall of the discharge barrel 4 to produce a fusion deformation, and the aluminum alloy rod gradually and evenly fills the inside of the discharge barrel 4, thereby achieving uniform force on the aluminum alloy rod when passing through the discharge die 5, effectively improving the practicability of the device.
[0042] Reference Figure 2 and Figure 4 A plurality of heat dissipation fins 13 are symmetrically and evenly fixedly connected to the outer side of the discharge barrel 4 .
[0043] When in use, when the coolant passes through the inside of the discharge bin 3 and exchanges heat with the surface of the discharge barrel 4, the coolant flows through the surface of the heat dissipation fins 13, and the heat exchange area between the barrel 4 and the coolant is extended through the heat dissipation fins 13, which effectively improves the heat exchange efficiency of the device and improves the practicality of the device.
[0044] Reference Figure 2 and Figure 5 A fixed threaded collar 14 is fixedly connected to the periphery of the discharge mold 5 , and an internal connection threaded groove 15 threadedly connected to the fixed threaded collar 14 is provided at the output end of the discharge cylinder 4 .
[0045] During use, when the discharge mold 5 needs to be replaced, the threaded connection between the fixed threaded ring 14 and the internal connecting threaded groove 15 is released by manually loosening the fixed threaded ring 14, and the discharge mold 5 is driven out of the interior of the discharge barrel 4 by manually pulling the fixed threaded ring 14, so as to facilitate the rapid disassembly of the fixed threaded ring 14 and the discharge mold 5, thereby facilitating the replacement of the discharge mold 5 and improving the practicability of the device.
[0046] Reference Figure 1 and Figure 2 One end of the L-shaped base 1 is slidably connected to an arc-shaped sealing cover 16, and the arc-shaped sealing cover 16 is installed on the top of the arc-shaped extrusion track 2. One side of the L-shaped base 1 is rotatably connected to a driving screw 17, and one end of the arc-shaped sealing cover 16 is fixedly connected to a transmission rod 18 threadedly connected to the driving screw 17. One end of the L-shaped base 1 is fixedly connected to a driving motor 19, and the output end of the driving motor 19 is fixedly connected to the driving screw 17.
[0047] When in use, after the heated aluminum alloy rod is placed inside the arc extrusion track 2, the driving motor 19 is started to drive the driving screw 17 to rotate, and the driving screw 17 is threadedly connected with the transmission rod 18, and at the same time, the transmission rod 18 drives the arc sealing cover 16 to move along the length direction of the L-shaped base 1, and then the arc sealing cover 16 is moved along the length direction of the L-shaped base 1 to the top of the arc extrusion track 2, and forms a sealed cover on the top of the arc extrusion track 2, thereby effectively reducing the deformation of the aluminum alloy rod inside the arc extrusion track 2 after being extruded, and the overflow of the arc extrusion track 2, thereby effectively improving the practicability of the device.
[0048] The implementation principle of the extrusion die of a high temperature resistant aluminum alloy bar in this embodiment is as follows: first, the heated aluminum alloy bar is placed in the interior of the arc extrusion track 2, and then the driving motor 19 is started to drive the driving screw 17 to rotate, and the driving screw 17 is threadedly connected with the transmission rod 18, and at the same time, the transmission rod 18 drives the arc sealing cover 16 to move along the length direction of the L-shaped base 1, and then the arc sealing cover 16 is moved along the length direction of the L-shaped base 1 to the top of the arc extrusion track 2, and a sealing cover is formed on the top of the arc extrusion track 2;
[0049] Then, the hydraulic push rod 10 is started to drive the extrusion plate 11 to push the aluminum alloy bar along the length direction of the arc extrusion track 2 through the discharge barrel 4 and the discharge die 5, and extrusion molding is performed. At the same time, the water pump 6 is started to cooperate with the pumping pipe 7 to pump the water cooling liquid inside the cooling pipe 8 into the inside of the discharge bin 3, and after the cooling liquid enters the inside of the discharge bin 3, it is evenly filled in the inside of the discharge bin 3 along the surface of multiple water dividing plates 12, and at the same time, the cooling liquid is made to fit the surface of the discharge barrel 4 and exchange heat with the discharge barrel 4 to reduce the working temperature inside the discharge barrel 4. Then, the cooling liquid after heat exchange inside the discharge bin 3 is introduced into the inside of the cooling pipe 8 through the drainage pipe 9, and the cooling pipe 8 is used to exchange heat and cool with the underground soil layer, so as to facilitate the circulation of the cooling liquid between the cooling pipe 8 and the discharge bin 3 to achieve water cooling of the working area inside the discharge barrel 4.
Claims
1. An extrusion die for a high temperature resistant aluminum alloy bar, comprising an L-shaped base (1), characterized in that: An arc-shaped extrusion track (2) is provided at one end of the L-shaped base (1), a discharge bin (3) is provided at one side of the arc-shaped extrusion track (2), a discharge barrel (4) is fixedly connected inside the discharge bin (3), a discharge mold (5) is installed at one end of the discharge barrel (4), a water pump (6) in communication with the discharge bin (3) is fixedly connected at the top of the L-shaped base (1), a water pump (7) is fixedly connected at the input end of the water pump (6), a cooling pipe (8) is fixedly connected at the input end of the water pump (7), a drainage pipe (9) is fixedly connected at the input end of the cooling pipe (8), the drainage pipe (9) is in communication with the bottom output end of the discharge bin (3), the cooling pipe (8) is pre-buried underground, a hydraulic push rod (10) is fixedly connected at one end of the L-shaped base (1), the output end of the hydraulic push rod (10) extends to the inside of the arc-shaped extrusion track (2) and is fixedly connected to an extrusion plate (11).
2. The extrusion die for a high temperature resistant aluminum alloy bar according to claim 1, characterized in that: The cooling tube (8) is configured as a multi-S-bend heat exchange tube.
3. The extrusion die for a high temperature resistant aluminum alloy bar according to claim 1, characterized in that: The discharge cylinder (4) is configured as a conical die extrusion cylinder.
4. The extrusion die for a high temperature resistant aluminum alloy bar according to claim 1, characterized in that: The inner sides of the arc-shaped extrusion track (2) and the discharge bin (3) are both fixedly connected with a ceramic coating.
5. The extrusion die for a high temperature resistant aluminum alloy bar according to claim 1, characterized in that: A plurality of water dividing plates (12) are symmetrically and evenly fixedly connected inside the discharge bin (3), and the plurality of water dividing plates (12) are arranged in an arc shape below the output end of the water pump (6).
6. The extrusion die for a high temperature resistant aluminum alloy bar according to claim 1, characterized in that: A plurality of heat dissipation fins (13) are symmetrically and evenly fixedly connected to the outer side of the discharge barrel (4).
7. The extrusion die for a high temperature resistant aluminum alloy bar according to claim 1, characterized in that: A fixed threaded collar (14) is fixedly connected to the periphery of the discharge die (5), and an output end of the discharge barrel (4) is provided with an internal connection threaded groove (15) threadedly connected to the fixed threaded collar (14).
8. The extrusion die for a high temperature resistant aluminum alloy bar according to claim 1, characterized in that: One end of the L-shaped base (1) is slidably connected to an arc-shaped sealing cover (16), and the arc-shaped sealing cover (16) is installed on the top of the arc-shaped extrusion track (2). One side of the L-shaped base (1) is rotatably connected to a driving screw (17), and one end of the arc-shaped sealing cover (16) is fixedly connected to a transmission rod (18) threadedly connected to the driving screw (17). One end of the L-shaped base (1) is fixedly connected to a driving motor (19), and an output end of the driving motor (19) is fixedly connected to the driving screw (17).