Aluminum profile hot extrusion shaping device

Abstract

The invention discloses a hot extrusion shaping device for aluminum profiles, and relates to the field of hot extrusion of aluminum profiles. In order to overcome the disadvantage that the traditional method often needs to apply a large initial pressure in the startup phase, which easily leads to startup difficulties. A hot extrusion shaping device for aluminum profiles includes a frame, the frame is fixedly connected to a heating box, the heating box is fixedly connected to a mold, a fixed rod is fixedly connected between the heating box and the frame, the fixed rod is slidably connected to a sliding frame, the sliding frame is slidably connected to the frame, a first motor symmetrically arranged along the sliding frame is fixedly installed in the sliding frame, the output shaft of the first motor on the side adjacent to the extrusion sleeve is fixedly connected to a rotating rod, and the rotating rod is movably connected to the extrusion head. Through the cooperation of the first motor and the second motor, the extrusion head and the extrusion sleeve are driven to progressively extrude the blank, so that the pressure can be more evenly distributed during the extrusion of the material, the local stress concentration is reduced, and the dimensional accuracy and surface quality of the product are improved.

Description

Technical Field

[0001] The invention relates to the field of hot extrusion of aluminum profiles, and in particular to a hot extrusion shaping device for aluminum profiles. Background Art

[0002] Aluminum profile extrusion is a technology widely used in the field of industrial manufacturing. It is achieved by heating the aluminum billet and placing it into a hot extruder. The extruder then applies pressure to the aluminum billet to complete the final forming. The formed profile has the advantages of high mechanical strength, good hardness and wear resistance.

[0003] In the above extrusion process, the billet is mainly extruded through a single extrusion head, but when dealing with complex shapes or poor metal fluidity of aluminum profiles due to insufficient heating temperature, the traditional method often requires a large initial pressure to be applied during the startup phase, which not only increases the load on the equipment, but may also cause local stress concentration and affect product quality. At the same time, the traditional extrusion method is prone to startup difficulties, prolonging the production cycle and increasing energy consumption. Summary of the invention

[0004] In order to overcome the disadvantage that the traditional method often needs to apply a large initial pressure in the startup phase, which easily leads to startup difficulties, the present invention provides an aluminum profile hot extrusion shaping device.

[0005] A hot extrusion shaping device for aluminum profiles comprises a frame, the frame is fixedly connected to a heating box, the heating box is fixedly connected to a mold, a fixed rod is fixedly connected between the heating box and the frame, the fixed rod is slidably connected to a sliding frame, the sliding frame is slidably connected to the frame, the sliding frame is fixedly connected to an extrusion sleeve, an extrusion head is slidably connected inside the extrusion sleeve, a first motor symmetrically arranged along the sliding frame is fixedly installed inside the sliding frame, an output shaft of the first motor on a side adjacent to the extrusion sleeve is fixedly connected to a rotating rod, and the rotating rod is movably connected to the extrusion head.

[0006] Furthermore, the outer wall of the extrusion head fits against the inner wall of the extrusion sleeve.

[0007] Furthermore, it also includes a second motor, which is fixedly and symmetrically installed on one side of the frame, and the output shaft of the second motor is fixedly connected to the first screw rod, the first screw rod is rotatably connected to the frame, and the first screw rod is threadedly connected to the sliding frame.

[0008] Furthermore, it also includes a first fixed block, which is fixedly connected to a side of the sliding frame close to the extrusion sleeve. The first fixed block is rotatably connected to a limit buckle, and the limit buckle is snap-fitted with the extrusion head. An electromagnet is fixedly installed on one side of the sliding frame adjacent to the extrusion head. The electromagnet is magnetically engaged with the limit buckle, and a torsion spring is sleeved between the limit buckle and the first fixed block. A distance sensor is fixedly installed on the extrusion sleeve, and the distance sensor is electrically connected to the first motor and the second motor through a control module.

[0009] Furthermore, it also includes a fuel injector, which is fixedly installed on the frame, the fuel injector and the distance sensor are electrically connected through a control module, the extrusion sleeve is fixedly connected to the limit cylinder, the limit cylinder is communicated with the fuel injector through a hose, a sliding valve is slidably connected in the limit cylinder, a guide block is fixedly connected to the side of the extrusion head adjacent to the limit cylinder, the guide block is slidably connected to the sliding valve, and the extrusion sleeve is provided with liquid spray outlets distributed at equal intervals along the circumference of the extrusion sleeve.

[0010] Furthermore, the liquid spray port faces the inner extrusion head, and is used to lubricate the extrusion head during the process of extruding the aluminum billet.

[0011] Furthermore, it also includes a fixed rack, which is fixedly connected to the sliding frame, a second fixed block is fixedly connected to the side of the frame away from the sliding frame, the second fixed block is slidably connected to the supporting frame, the supporting frame is fixedly connected to the second screw, the second screw is slidably connected to the second fixed block, the second fixed block is rotatably connected to a gear, the gear is threadedly connected to the second screw, and the gear is meshed with the fixed rack.

[0012] Furthermore, the top of the support frame is in an arc shape, and the height of the arc is the same as the height of the hole of the heating box, which is used to support the blank.

[0013] The beneficial effect is: through the cooperation of the first motor and the second motor, the extrusion head and the extrusion sleeve are driven to extrude the blank progressively, so that the pressure can be distributed more evenly during the extrusion of the material, reducing local stress concentration, and improving the dimensional accuracy and surface quality of the product. At the same time, the progressive extrusion reduces the instantaneous high load at startup, reduces the requirements for the drive system and the mold, and extends the service life of the equipment and the mold. When processing high-strength aluminum profiles, the molding process can be better controlled to ensure the consistency of product quality.

[0014] By driving the extrusion sleeve and the extrusion head through the second motor, it is possible to switch to smooth one-piece extrusion when dealing with general aluminum profile materials, greatly improving the adaptability and flexibility of the equipment when extruding aluminum profiles of different strengths.

[0015] Through the cooperation of the sliding valve and the oil injector, the resistance of the extrusion head to extruding the aluminum billet is reduced, the efficiency of aluminum profile shaping is improved, and at the same time the wear of the extrusion sleeve is reduced and the service life of the extrusion sleeve is extended.

[0016] Through the cooperation of the gear and the fixed rack, automatic avoidance is achieved when the sliding rack is working, which greatly improves the convenience of loading. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention.

[0018] Figure 2 It is a three-dimensional structural cross-sectional view of the present invention.

[0019] Figure 3 It is a three-dimensional structural schematic diagram of the sliding frame, extrusion sleeve, extrusion head and other components of the present invention.

[0020] Figure 4 It is a schematic diagram of the three-dimensional structure of the extrusion head, the first motor, the rotating rod and other components of the present invention.

[0021] Figure 5 It is a schematic diagram of the three-dimensional structure of the extrusion sleeve and the extrusion head of the present invention.

[0022] Figure 6 It is an exploded schematic diagram of the extrusion sleeve and the extrusion head of the present invention.

[0023] Figure 7 It is a three-dimensional structural schematic diagram of the sliding frame, the second motor, the first screw and other components of the present invention.

[0024] Figure 8 It is a three-dimensional structural schematic diagram of the first fixing block, the limit buckle, the electromagnet and other components of the present invention.

[0025] Fig. 9 It is a schematic diagram of the three-dimensional structure of the first fixing block, the limit buckle, the torsion spring and other components of the present invention.

[0026] Fig.10 It is a three-dimensional structural schematic diagram of the frame and the fuel injector of the present invention.

[0027] Fig.11 It is a three-dimensional structural schematic diagram of the components such as the limit cylinder, the guide block and the sliding valve of the present invention.

[0028] Fig.12 It is a three-dimensional structural schematic diagram of the guide block, sliding valve, liquid spray port and other components of the present invention.

[0029] Fig.13 It is a schematic diagram of the three-dimensional structure of the second fixing block, the supporting frame, the second screw and other components of the present invention.

[0030] Fig.14 It is a schematic diagram of the three-dimensional structure of the supporting frame, the second screw rod, the gear and other components of the present invention.

[0031] In the accompanying drawings: 101-frame, 102-heating box, 1021-mold, 103-fixed rod, 104-sliding frame, 105-extrusion sleeve, 106-extrusion head, 107-first motor, 108-rotating rod, 201-second motor, 202-first screw, 301-first fixed block, 302-limit buckle, 303-electromagnet, 304-torsion spring, 305-distance sensor, 401-injector, 402-limit cylinder, 403-guide block, 404-sliding valve, 405-liquid spray port, 501-fixed rack, 502-second fixed block, 503-carrying frame, 504-second screw, 505-gear. DETAILED DESCRIPTION

[0032] The present invention is described in detail below with reference to the accompanying drawings and specific embodiments.

[0033] Embodiment 1: A hot extrusion shaping device for aluminum profiles, such as Figure 1-Figure 6 As shown, it includes a frame 101, a heating box 102 is fixedly connected to the front side of the top of the frame 101, a mold 1021 is fixedly connected to the front side of the heating box 102, four fixed rods 103 are fixedly connected between the rear side of the heating box 102 and the frame 101, the fixed rods 103 are slidably connected to a sliding frame 104, the sliding frame 104 is slidably connected to the top of the frame 101, an extrusion sleeve 105 is fixedly connected to the front side of the sliding frame 104, an extrusion head 106 is slidably connected inside the extrusion sleeve 105, the outer wall of the extrusion head 106 is fitted to the inner wall of the extrusion sleeve 105, a first motor 107 symmetrically arranged along the left and right sides of the sliding frame 104 is fixedly installed inside the sliding frame 104, the output shaft of the first motor 107 adjacent to the extrusion sleeve 105 is fixedly connected to a rotating rod 108, and the rotating rod 108 is movably connected to the extrusion head 106.

[0034] like Figure 1 and Figure 7 As shown, it also includes a second motor 201. The two second motors 201 are fixedly and symmetrically installed on the upper rear side of the frame 101. The output shaft on the front side of the second motor 201 is fixedly connected to the first screw 202. The first screw 202 is rotatably connected to the frame 101, and the first screw 202 is threadedly connected to the sliding frame 104.

[0035] like Figure 2 , Figure 8 and Fig. 9As shown, it also includes a first fixed block 301, which is fixedly connected to the upper rear side of the sliding frame 104, and the front side of the first fixed block 301 is rotatably connected to a limit buckle 302, and the limit buckle 302 is snap-fitted with the extrusion head 106. An electromagnet 303 is fixedly installed on the top of the sliding frame 104, and the electromagnet 303 is magnetically engaged with the limit buckle 302. A torsion spring 304 is sleeved between the left side of the limit buckle 302 and the left side of the first fixed block 301, and a distance sensor 305 is fixedly installed on the rear side of the extrusion sleeve 105, and the distance sensor 305 is electrically connected to the first motor 107 and the second motor 201 through a control module.

[0036] First, the pre-heated aluminum billet is placed in the heating box 102 for heat preservation, and then the second motor 201 is started. The second motor 201 drives the first screw 202 to rotate, thereby driving the sliding frame 104, the extrusion sleeve 105, the first motor 107, the rotating rod 108, the first fixed block 301, the limit buckle 302, the electromagnet 303, the torsion spring 304 and the distance sensor 305 to move forward. The limit buckle 302 pushes the extrusion head 106 to follow the extrusion sleeve 105 and move toward the aluminum billet synchronously. When the extrusion sleeve 105 and the extrusion head 106 contact the aluminum billet, the extrusion sleeve 105 and the extrusion head 106 start the extrusion work. After being extruded, the aluminum billet flows to the mold 1021 on the front side, and after being corrected by the mold 1021, it is finally formed through the opening at the front side of the mold 1021 and discharged, completing the extrusion work; However, when facing high-strength aluminum profiles or aluminum profiles with poor metal fluidity due to insufficient heating temperature of the blank, due to the poor fluidity of the profile or the high strength of the aluminum profile, the extrusion equipment is subject to great resistance and the material is extruded slowly. When the above situation occurs, the electromagnet 303 is started and energized. The limit buckle 302 is affected by the magnetic attraction and instantly rotates upward to release the lock on the extrusion head 106. The torsion spring 304 is deformed under the force, and then the sliding frame 104 continues to drive the extrusion sleeve 105, the extrusion head 106, the first motor 107, the rotating rod 108 and the distance sensor 305 to move forward. When the sliding frame 104 drives the extrusion sleeve 105 to contact the extrusion head 106 and the aluminum blank, the limit buckle 302 is released from the extrusion head 106. The sliding frame 104 is locked. The sliding frame 104 cannot effectively transmit the thrust to the extrusion head 106 during the forward pushing process, so that the extrusion head 106 is blocked by the aluminum billet and cannot be pushed forward any further. The sliding frame 104 can only drive the extrusion sleeve 105 forward alone, and first extrude the outer edge of the billet. At this time, the relative position of the extrusion sleeve 105 and the extrusion head 106 begins to change. While the sliding frame 104 moves forward, the first motor 107 moves forward with the sliding frame 104. Since the output shaft of the first motor 107 is in a free rotation state, the bottom of the rotating rod 108 follows the movement of the first motor 107 and deflects. As the distance sensor 305 on the rear side of the extrusion sleeve 105 moves forward until it contacts the extrusion head 106, the aluminum billet The material is extruded into a double-layer cylinder of large and small cylinders, with the small cylinder being the protrusion. Subsequently, when the distance sensor 305 detects that the position of the extrusion head 106 is too close, the distance sensor 305 sends an electrical signal. After receiving the electrical signal, the control module controls the first motor 107 to stop and the second motor 201 to start. The output shaft of the second motor 201 rotates counterclockwise, thereby driving the rotating rod 108 to rotate. The rotating rod 108 drives the extrusion head 106 to move forward, extruding the inner edge of the blank and restoring the double-layer cylinder to a single-layer cylindrical state. When the extrusion head 106 returns to the initial position, the distance sensor 305 sends an electrical signal. The control module receives the electrical signal to control the second motor 201 to turn off and the first motor 107 to turn on. The first motor 107 continues to drive the slider. The movable frame 104 moves forward, and the progressive extrusion is achieved by repeating the above-mentioned actions. When the aluminum billet is completely extruded and shaped, the electromagnet 303 is then turned off, and the torsion spring 304 is reset, thereby driving the limit buckle 302 to rotate downward and re-engage the top position of the extrusion head 106 to complete the reset. In summary, through the cooperation of the first motor 107 and the second motor 201, the extrusion head 106 and the extrusion sleeve 105 are driven to extrude the billet progressively, so that the pressure can be more evenly distributed during the extrusion of the material, the local stress concentration is reduced, and the dimensional accuracy and surface quality of the product are improved. At the same time, the progressive extrusion reduces the instantaneous high load at startup, reduces the requirements for the drive system and the mold 1021, and extends the service life of the equipment and the mold 1021.When processing high-strength aluminum profiles, the molding process can be better controlled to ensure the consistency of product quality. The second motor 201 drives the extrusion sleeve 105 and the extrusion head 106, which can switch to smooth one-piece extrusion for general aluminum profile materials, greatly improving the adaptability and flexibility of the equipment when extruding aluminum profiles of different strengths.

[0037] Embodiment 2: Based on embodiment 1, Figure 1 , Figure 2 , Fig.10 , Fig.11 and Fig.12 As shown, it also includes an injector 401, which is fixedly installed on the rear side 101 of the bottom of the frame. The injector 401 is electrically connected to the distance sensor 305 through the control module. A limiting cylinder 402 is fixedly connected to the rear side of the bottom of the extrusion sleeve 105. The limiting cylinder 402 is connected to the injector 401 through a hose. A sliding valve 404 is slidably connected in the limiting cylinder 402. A guide block 403 is fixedly connected to the right side of the bottom of the extrusion head 106. The guide block 403 is slidably connected to the sliding valve 404. The extrusion sleeve 105 is provided with liquid spray ports 405 that are evenly spaced along the circumference of the extrusion sleeve 105. The liquid spray ports 405 face the inner extrusion head 106 and are used to lubricate the extrusion head 106 during the process of extruding the aluminum billet by the extrusion head 106.

[0038] When the aluminum billet is extruded into a double-layer cylinder of large and small cylinders, since the extrusion sleeve 105 first extrude the outer edge of the aluminum billet toward the front side, the inner edge of the aluminum billet gradually enters the inner side of the extrusion sleeve 105 during the movement of the extrusion sleeve 105. When the extrusion head 106 extrude the inner edge of the aluminum billet, in order to reduce the resistance between the cylindrical side wall of the aluminum billet and the inner wall of the extrusion sleeve 105, the specific operation is as follows: when the extrusion sleeve 105 moves toward the front side alone, it will also drive the limit cylinder 402 and the sliding valve 404 to move toward the front side. The sliding valve 404 moves toward the left side under the guidance of the guide block 403 to open the opening. In this process, the distance sensor 305 sends out an electrical signal when it detects that the position begins to change. After receiving the electrical signal, the control module sends out When the oil injector 401 is started, the lubricating oil enters the liquid spray port 405 through the limit cylinder 402, and is finally sprayed out through the liquid spray port 405 to the side wall of the small cylinder of the aluminum billet for lubrication. Then the extrusion head 106 moves forward and starts to extrude the small cylinder of the aluminum billet. In the process of the extrusion head 106 moving forward, the guide block 403 is driven forward, and then the sliding valve 404 is driven to move to the right to reclose the opening. The oil injector 401 stops working and is reset. In summary, through the cooperation of the sliding valve 404 and the oil injector 401, the resistance of the extrusion head 106 to extruding the aluminum billet is reduced, the efficiency of the aluminum profile shaping is improved, and at the same time, the wear of the extrusion sleeve 105 is reduced, and the service life of the extrusion sleeve 105 is extended.

[0039] Embodiment 3: Based on embodiment 2, Figure 1 , Fig.13 and Fig.14 As shown, it also includes a fixed rack 501, which is fixedly connected to the bottom of the sliding frame 104. A second fixed block 502 is fixedly connected to the middle of the front side of the frame 101. The second fixed block 502 is slidably connected to a supporting frame 503. The top of the supporting frame 503 is arc-shaped, and the arc height is the same as the height of the hole position of the heating box 102, which is used to support the blank. A second screw 504 is fixedly connected to the bottom of the supporting frame 503, and the second screw 504 is slidably connected to the second fixed block 502. A gear 505 is rotatably connected to the bottom of the second fixed block 502. The gear 505 is threadedly connected to the second screw 504, and the gear 505 is meshed with the fixed rack 501.

[0040] In order to facilitate the heated aluminum billet to enter the heating box 102, the specific operation is as follows: first, when hoisting the aluminum billet, hoist the aluminum billet onto the carrier 503, and then push the aluminum billet into the heating box 102. When the sliding frame 104 moves to the front side, it will drive the fixed rack 501 to move to the front side, and then drive the gear 505 to rotate counterclockwise, and then drive the carrier 503 and the second screw 504 to move downward for avoidance. When the sliding frame 104 moves backward to reset, the fixed rack 501 drives the gear 505 to rotate clockwise, thereby pushing the carrier 503 and the second screw 504 to move upward to complete the reset. In summary, the carrier 503 greatly improves the convenience of loading the aluminum billet. At the same time, through the cooperation of the gear 505 and the fixed rack 501, automatic avoidance is achieved when the sliding frame 104 is working, which greatly improves the convenience of loading.

[0041] The above is only a specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art can easily think of changes or substitutions within the technical scope disclosed by the present invention, which should be included in the protection scope of the present invention. Therefore, the protection scope of the present invention should be based on the protection scope of the claims.

Claims

1. A hot extrusion shaping device for aluminum profiles, characterized in that: The invention comprises a frame (101), the frame (101) is fixedly connected to a heating box (102), the heating box (102) is fixedly connected to a mold (1021), a fixed rod (103) is fixedly connected between the heating box (102) and the frame (101), the fixed rod (103) is slidably connected to a sliding frame (104), the sliding frame (104) is slidably connected to the frame (101), the sliding frame (104) is fixedly connected to an extrusion sleeve (105), an extrusion head (106) is slidably connected inside the extrusion sleeve (105), and a mold (106) is fixedly installed inside the sliding frame (104) along the sliding frame. (104) a first motor (107) symmetrically arranged, the output shaft of the first motor (107) on the side adjacent to the extrusion sleeve (105) is fixedly connected to a rotating rod (108), the rotating rod (108) is movably connected to the extrusion head (106), and also includes a second motor (201), the second motor (201) is fixedly symmetrically installed on one side of the frame (101), the output shaft of the second motor (201) is fixedly connected to a first screw rod (202), the first screw rod (202) is rotatably connected to the frame (101), and the first screw rod (202) is threadedly connected to the sliding frame (104).

2. The hot extrusion shaping device for aluminum profiles according to claim 1, characterized in that: The outer wall of the extrusion head (106) is in contact with the inner wall of the extrusion sleeve (105).

3. The hot extrusion shaping device for aluminum profiles according to claim 2, characterized in that: The invention also comprises a first fixed block (301), the first fixed block (301) being fixedly connected to a side of the sliding frame (104) close to the extrusion sleeve (105), the first fixed block (301) being rotatably connected to a limit buckle (302), the limit buckle (302) being engaged with the extrusion head (106), an electromagnet (303) being fixedly installed on a side of the sliding frame (104) adjacent to the extrusion head (106), the electromagnet (303) being engaged with the limit buckle (302) by magnetic attraction, a torsion spring (304) being sleeved between the limit buckle (302) and the first fixed block (301), a distance sensor (305) being fixedly installed on the extrusion sleeve (105), and the distance sensor (305) being electrically connected to the first motor (107) and the second motor (201) through a control module.

4. The hot extrusion shaping device for aluminum profiles according to claim 3, characterized in that: The invention also includes an oil injector (401), which is fixedly mounted on the frame (101). The oil injector (401) is electrically connected to a distance sensor (305) via a control module. The extrusion sleeve (105) is fixedly connected to a limiting cylinder (402). The limiting cylinder (402) is connected to the oil injector (401) via a hose. A sliding valve (404) is slidably connected inside the limiting cylinder (402). A guide block (403) is fixedly connected to a side of the extrusion head (106) adjacent to the limiting cylinder (402). The guide block (403) is slidably connected to the sliding valve (404). The extrusion sleeve (105) is provided with liquid spraying ports (405) distributed at equal intervals along the circumference of the extrusion sleeve (105).

5. The hot extrusion shaping device for aluminum profiles according to claim 4, characterized in that: The liquid spray port (405) faces the inner extrusion head (106) and is used to lubricate the extrusion head (106) during the process of extruding the aluminum billet.

6. The hot extrusion shaping device for aluminum profiles according to claim 5, characterized in that: The machine also comprises a fixed rack (501), the fixed rack (501) being fixedly connected to the sliding frame (104), a second fixed block (502) being fixedly connected to a side of the frame (101) away from the sliding frame (104), the second fixed block (502) being slidably connected to a supporting frame (503), the supporting frame (503) being fixedly connected to a second screw rod (504), the second screw rod (504) being slidably connected to the second fixed block (502), the second fixed block (502) being rotatably connected to a gear (505), the gear (505) being threadedly connected to the second screw rod (504), and the gear (505) being meshed with the fixed rack (501).

7. The hot extrusion shaping device for aluminum profiles according to claim 6, characterized in that: The top of the support frame (503) is in an arc shape, and the height of the arc is the same as the height of the hole of the heating box (102), and is used to support the blank.

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