Die casting process of magnesium-lithium alloy notebook computer shell

Abstract

The invention discloses a die-casting process of a magnesium-lithium alloy notebook shell, which comprises a base, the top of the base is provided with a supporting seat, a supporting mechanism and a die-casting mechanism, the supporting seat is internally provided with a conveyor belt device, the supporting mechanism is internally provided with a movable arm mechanism, one end of the movable arm mechanism is provided with a suction cup mechanism, and the other end of the movable arm mechanism is provided with a die-casting mechanism. And the die-casting mechanism is used for pressing the workpiece. Compared with the prior art, the die-casting mechanism is arranged, the lifting mechanism in the die-casting mechanism is used for driving the movable frame and the upper die to move, the upper die and the lower die can be conveniently closed and demolded, meanwhile, the supporting base and the conveying belt device are arranged, a workpiece can be conveniently transferred to the next station after being cooled, use is very convenient, and meanwhile the die-casting efficiency is improved. The supporting mechanism is arranged to be matched with the movable arm mechanism and the suction cup mechanism, the die-cast workpieces are transferred to the conveying belt device, manual transfer is not needed, and the transferring stability and the use safety are improved.

Description

Technical Field

[0001] The invention relates to the technical field of die-casting processing, and in particular to a die-casting process for a magnesium-lithium alloy notebook shell. Background Art

[0002] Die casting is a metal casting process characterized by the use of a mold cavity to apply high pressure to the molten metal. The mold is usually made of a stronger alloy and the process is somewhat similar to injection molding. Most die castings are non-ferrous, such as zinc, copper, aluminum, magnesium, lead, tin, lead-tin alloys and their alloys.

[0003] During the die-casting process, after the fixed mold and the movable mold are separated, the operator needs to take out the formed workpiece and then stack it together. Since the temperature of the workpiece is relatively high at this time, it is inconvenient to transport it. For this reason, we propose a die-casting process for a magnesium-lithium alloy notebook case. Summary of the invention

[0004] The purpose of the present invention is to solve the shortcomings of the prior art and to propose a die-casting process for a magnesium-lithium alloy notebook shell.

[0005] In order to achieve the above object, the present invention adopts the following technical solutions:

[0006] A die-casting process for a magnesium-lithium alloy notebook shell comprises a base, wherein a support base, a support mechanism and a die-casting mechanism are installed on the top of the base, a conveyor belt device is installed inside the support base, a movable arm mechanism is installed inside the support mechanism, a suction cup mechanism is installed at one end of the movable arm mechanism, the die-casting mechanism completes the pressing operation of the workpiece, and the support mechanism cooperates with the movable arm mechanism and the suction cup mechanism to transfer the die-cast workpiece from the die-casting mechanism to the transmission device.

[0007] Preferably, the supporting mechanism includes a first shell fixed on the base, the interior of the first shell is rotatably connected to a rotating shaft, a first bevel gear is fixedly sleeved on the rotating shaft, a first motor is installed on the side of the first shell, the output shaft of the first motor is inserted into the interior of the first shell and connected to a second bevel gear, the rotating shaft passes through the top of the first shell and is connected to a turntable, a first mounting frame is fixed on the top of the turntable, a hydraulic cylinder is installed on the top of the first mounting frame, and a piston rod of the hydraulic cylinder is inserted into the interior of the first mounting frame and connected to a movable plate.

[0008] Preferably, the first bevel gear and the second bevel gear are in meshing transmission, the movable plate and the first mounting frame are in sliding connection, and the movable arm mechanism is installed at the bottom of the movable plate.

[0009] Preferably, the movable arm mechanism includes a second shell fixed at the bottom of the movable plate, the second shell is rotatably connected to the inside of the second shell, a third bevel gear is fixedly sleeved on the second threaded sleeve, a second motor is installed on the side of the second shell, the output shaft of the second threaded sleeve is inserted into the inside of the second shell and connected to the fourth bevel gear, the inside of the first threaded sleeve is threadedly connected to the first threaded column, and the movable arm is fixed on the first threaded column.

[0010] Preferably, the fixed arm is slidably connected to the second shell, and the suction cup mechanism is fixed to one end of the bottom of the movable arm.

[0011] Preferably, the suction cup mechanism includes a second mounting frame fixed to one end of the bottom of the movable arm, the second mounting frame is a C-shaped structure, a third motor is installed on the side of the second mounting frame, the output shaft of the third motor is inserted into the interior of the second mounting frame and is connected to a movable block, a connecting plate is installed on the side of the movable block, and a vacuum suction cup is installed on the connecting plate.

[0012] Preferably, the die-casting mechanism includes a third mounting frame fixed on the base, a fixed platform is fixed inside the third mounting frame, a lower mold is fixed on the top of the fixed platform, guide shafts are fixed at both ends of the top of the fixed platform, a lifting mechanism is installed on the top of the third mounting frame, the lifting mechanism is inserted into the interior of the third mounting frame and is connected to a movable frame, the movable frame is slidably connected to the guide shaft, and an upper mold is installed on the bottom of the movable frame.

[0013] Preferably, the lifting mechanism includes a third shell fixed on a third mounting frame, the interior of the third shell is rotatably connected to a second threaded sleeve, a fifth bevel gear is fixedly sleeved on the second threaded sleeve, the interior of the second threaded sleeve is threadedly connected to a second threaded column, the second threaded sleeve is fixed to the movable frame, a fourth motor is installed on the side of the third shell, the fourth motor is inserted into the interior of the third shell and connected to a sixth bevel gear, and the fifth bevel gear and the sixth bevel gear are in meshing transmission.

[0014] Compared with the prior art, the present invention has the following beneficial effects:

[0015] The present invention provides a die-casting mechanism, and utilizes the lifting mechanism inside the mechanism to drive the movable frame and the upper mold to move, so as to facilitate the upper mold and the lower mold to be molded and demolded. Meanwhile, by providing a support seat and a conveyor belt device, it is convenient to transfer the workpiece to the next station after cooling, and the use is very convenient.

[0016] The present invention transfers the die-cast workpiece to the conveyor belt device by arranging a supporting mechanism in conjunction with a movable arm mechanism and a suction cup mechanism, without the need for manual transfer, thereby improving the stability of transfer and the safety of use. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a structural schematic diagram of a die-casting process for a magnesium-lithium alloy notebook housing proposed by the present invention;

[0018] Figure 2 for Figure 1 A cross-sectional view of the middle support mechanism;

[0019] Figure 3 for Figure 1 A cross-sectional view of the movable arm mechanism;

[0020] Figure 4 for Figure 1 A cross-sectional view of the middle suction cup mechanism;

[0021] Figure 5 for Figure 1 Side sectional view of the die casting mechanism;

[0022] Figure 6 for Figure 5 Cross-sectional view of the lifting mechanism.

[0023] In the figure: 1 base, 2 support seat, 3 conveyor belt device, 4 support mechanism, 41 first shell, 42 rotating shaft, 43 first bevel gear, 44 first motor, 45 second bevel gear, 46 turntable, 47 first mounting frame, 48 hydraulic cylinder, 49 movable plate, 5 movable arm mechanism, 51 second shell, 52 first threaded sleeve, 53 third bevel gear, 54 second motor, 55 fourth bevel gear, 56 first threaded column, 57 movable arm, 6 suction cup mechanism, 61 second mounting frame, 62 third motor, 63 movable block, 64 connecting plate, 65 vacuum suction cup, 7 die casting mechanism, 71 third mounting frame, 72 fixed table, 73 lower mold, 74 guide shaft, 75 lifting mechanism, 751 third shell, 752 second threaded sleeve, 753 fifth bevel gear, 754 second threaded column, 755 fourth motor, 756 sixth bevel gear, 76 movable frame, 77 upper mold. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0025] Reference Figure 1-6A die-casting process for a magnesium-lithium alloy notebook shell includes a base 1, a support base 2, a support mechanism 4 and a die-casting mechanism 7 are installed on the top of the base 1, a conveyor device 3 is installed inside the support base 2, a movable arm mechanism 5 is installed inside the support mechanism 4, a suction cup mechanism 6 is installed at one end of the movable arm mechanism 5, the die-casting mechanism 7 completes the pressing operation of the workpiece, and the support mechanism 4 cooperates with the movable arm mechanism 5 and the suction cup mechanism 6 to transfer the die-cast workpiece from the die-casting mechanism 7 to the transmission device 3.

[0026] As an implementation method, please refer to Figure 2 The supporting mechanism 4 comprises a first shell 41 fixed on the base 1, the interior of the first shell 41 is rotatably connected with a rotating shaft 42, a first bevel gear 43 is fixedly sleeved on the rotating shaft 42, a first motor 44 is installed on the side of the first shell 41, the output shaft of the first motor 44 is inserted into the interior of the first shell 41 and is connected with a second bevel gear 45, the rotating shaft 42 passes through the top of the first shell 41 and is connected with a turntable 46, a first mounting frame 47 is fixed on the top of the turntable 46, a hydraulic cylinder 48 is installed on the top of the first mounting frame 47, a piston rod of the hydraulic cylinder 48 is inserted into the interior of the first mounting frame 47 and is connected with a movable plate 49, the first bevel gear 43 and the second bevel gear 45 are meshing transmission, the movable plate 49 and the first mounting frame 47 are slidably connected, and the movable arm mechanism 5 is installed at the bottom of the movable plate 49.

[0027] As an implementation method, please refer to Figure 3 The movable arm mechanism 5 includes a second shell 51 fixed to the bottom of the movable plate 49, a second threaded sleeve 52 is rotatably connected inside the second shell 51, a third bevel gear 53 is fixedly sleeved on the second threaded sleeve 52, a second motor 54 is installed on the side of the second shell 51, an output shaft of the second threaded sleeve 54 is inserted into the interior of the second shell 51 and connected to a fourth bevel gear 55, a first threaded column 56 is threadedly connected inside the first threaded sleeve 52, a movable arm 57 is fixed on the first threaded column 56, the fixed arm 57 is slidably connected to the second shell 51, and a suction cup mechanism 6 is fixed to one end of the bottom of the movable arm 57.

[0028] As an implementation method, please refer to Figure 4 The suction cup mechanism 6 includes a second mounting frame 61 fixed to one end of the bottom of the movable arm 57, the second mounting frame 61 is a C-shaped structure, a third motor 62 is installed on the side of the second mounting frame 61, the output shaft of the third motor 62 is inserted into the interior of the second mounting frame 61 and is connected to a movable block 63, a connecting plate 64 is installed on the side of the movable block 63, and a vacuum suction cup 65 is installed on the connecting plate 64.

[0029] As an implementation method, please refer to Figure 5 and Figure 6The die-casting mechanism 7 includes a third mounting frame 71 fixed on the base 1, a fixed platform 72 is fixed inside the third mounting frame 61, a lower mold 73 is fixed on the top of the fixed platform 72, guide shafts 74 are fixed on both ends of the top of the fixed platform 72, a lifting mechanism 75 is installed on the top of the third mounting frame 71, the lifting mechanism 75 is inserted into the inside of the third mounting frame 71 and connected to a movable frame 76, the movable frame 76 is slidably connected to the guide shaft 74, an upper mold 77 is installed on the bottom of the movable frame 76, and the lifting mechanism 75 includes a fixed third mounting frame 71. The third housing 751 on 71, the interior of the third housing 751 is rotatably connected with the second threaded sleeve 752, the second threaded sleeve 752 is fixedly sleeved with a fifth bevel gear 753, the interior of the second threaded sleeve 752 is threadedly connected with a second threaded column 754, the second threaded sleeve 752 is fixed to the movable frame 76, a fourth motor 755 is installed on the side of the third housing 751, the fourth motor 755 is inserted into the interior of the third housing 751 and is connected with a sixth bevel gear 756, and the fifth bevel gear 753 and the sixth bevel gear 756 are meshing transmission.

[0030] When in use, the lifting mechanism 75 is started to make the movable frame 76 drive the upper mold 77 downward, so that the upper mold 77 and the lower mold 73 are molded together. After the molds are closed, molten metal is injected between the upper mold 77 and the lower mold 73, and a certain pressure is applied to form the workpiece. After forming, the lifting mechanism 75 is started to make the movable frame 76 drive the upper mold 77 upward to complete demoulding.

[0031] Subsequently, the hydraulic cylinder 48 in the supporting mechanism 4 is started, the movable arm mechanism 5 and the suction cup mechanism 6 are adjusted, the heights of the movable arm mechanism 5 and the suction cup mechanism 6 are adjusted, the movable arm mechanism 5 is started, the movable arm mechanism 5 drives the suction cup mechanism 6, the suction cup mechanism 6 is brought close to the workpiece, and the workpiece is taken out by the suction cup mechanism 6, the movable arm mechanism 5 and the suction cup mechanism 6 are started in reverse, the workpiece is taken out from the die-casting mechanism 7, the first motor 44 in the supporting mechanism 4 is started, the angles of the movable arm mechanism 5 and the suction cup mechanism 6 are adjusted, and the suction cup mechanism 6 drives the workpiece to move to the top of the conveyor belt device 3;

[0032] Finally, the movable arm mechanism 5 and the suction cup mechanism 6 are started to transport the workpiece to the conveyor belt device 3. After the workpiece is cooled, the conveyor belt device 3 is started to transport the workpiece to the next station.

[0033] In the above operation process, the working principle of the support mechanism 4 is as follows: the first motor 44 is started, the output shaft of the first motor 44 drives the second bevel gear 45 to rotate, the second bevel gear 45 drives the rotating shaft 42 to rotate through the meshing transmission with the first bevel gear 43, the rotating shaft 42 drives the turntable 46 to rotate, the turntable 46 drives the movable arm mechanism 5 and the suction cup mechanism 6 through the first mounting frame 47 and the movable plate 49, adjusts the angle between the movable arm mechanism 5 and the suction cup mechanism 6, starts the hydraulic cylinder 48, the piston rod of the hydraulic cylinder 48 drives the movable plate 49, the movable plate 49 drives the movable arm mechanism 5 and the suction cup mechanism 6, and adjusts the height of the movable arm mechanism 5 and the suction cup mechanism 6;

[0034] The working principle of the movable arm mechanism 5 is as follows: the second motor 54 is started, the output shaft of the second motor 54 drives the fourth bevel gear 55 to rotate, the fourth bevel gear 55 drives the first threaded sleeve 52 to rotate through meshing transmission with the third bevel gear 53, the first threaded sleeve 52 drives the movable arm 57 to slide at the bottom of the second housing 51 through thread transmission with the first threaded column 56, and the movable arm 57 drives the suction cup mechanism 6 to adjust the lateral position of the suction cup mechanism 6;

[0035] The working principle of the suction cup mechanism 6 is as follows: the third motor 62 is started, the output shaft of the third motor 62 drives the movable block 63 to rotate, the movable block 63 drives the connecting plate 64 to rotate, the connecting plate 64 drives the vacuum suction cup 65 to rotate, the working angle of the vacuum suction cup 65 is adjusted, the vacuum suction cup 65 is started, and the vacuum suction cup 65 is magnetically sucked to the workpiece;

[0036] The working principle of the die-casting mechanism 7 is as follows: the fourth motor 755 is started, the output shaft of the fourth motor 755 drives the sixth bevel gear 756 to rotate, the sixth bevel gear 756 drives the second threaded sleeve 752 through meshing transmission with the fifth bevel gear 753, the second threaded sleeve 752 drives the movable frame 76 through thread transmission with the second threaded column 754, the movable frame 76 drives the upper mold 77 to move, and the movement of the upper mold 77 facilitates its mold closing and demolding with the lower mold 73.

[0037] To sum up, compared with the prior art, the present invention sets up a die-casting mechanism, and utilizes its internal lifting mechanism to drive the movable frame and the upper mold to move, so as to facilitate the closing and demolding of the upper and lower molds. At the same time, by setting up a support seat and a conveyor belt device, it is convenient to transfer the workpiece to the next workstation after cooling, which is very convenient to use. At the same time, by setting up a support mechanism in conjunction with a movable arm mechanism and a suction cup mechanism, the die-cast workpiece is transferred to the conveyor belt device without manual transfer, thereby improving the stability of the transfer and the safety of use.

[0038] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A die-casting process for a magnesium-lithium alloy notebook housing, comprising a base (1), characterized in that: A support seat (2), a support mechanism (4) and a die-casting mechanism (7) are installed on the top of the base (1); a conveyor belt device (3) is installed inside the support seat (2); a movable arm mechanism (5) is installed inside the support mechanism (4); a suction cup mechanism (6) is installed at one end of the movable arm mechanism (5); the die-casting mechanism (7) completes the pressing operation of the workpiece; the support mechanism (4) cooperates with the movable arm mechanism (5) and the suction cup mechanism (6) to transfer the die-cast workpiece from the die-casting mechanism (7) to the transmission device (3).

2. The die-casting process of a magnesium-lithium alloy notebook shell according to claim 1, characterized in that: The support mechanism (4) comprises a first shell (41) fixed on the base (1); a rotating shaft (42) is rotatably connected inside the first shell (41); a first bevel gear (43) is fixedly sleeved on the rotating shaft (42); a first motor (44) is installed on the side of the first shell (41); an output shaft of the first motor (44) is inserted into the interior of the first shell (41) and is connected to a second bevel gear (45); the rotating shaft (42) passes through the top of the first shell (41) and is connected to a turntable (46); a first mounting frame (47) is fixed on the top of the turntable (46); a hydraulic cylinder (48) is installed on the top of the first mounting frame (47); a piston rod of the hydraulic cylinder (48) is inserted into the interior of the first mounting frame (47) and is connected to a movable plate (49).

3. The die-casting process of a magnesium-lithium alloy notebook shell according to claim 2, characterized in that: The first bevel gear (43) and the second bevel gear (45) are in meshing transmission, the movable plate (49) and the first mounting frame (47) are in sliding connection, and the movable arm mechanism (5) is mounted at the bottom of the movable plate (49).

4. The die-casting process of a magnesium-lithium alloy notebook housing according to claim 3, characterized in that: The movable arm mechanism (5) comprises a second shell (51) fixed to the bottom of the movable plate (49); the interior of the second shell (51) is rotatably connected to a second threaded sleeve (52); the second threaded sleeve (52) is fixedly sleeved with a third bevel gear (53); a second motor (54) is installed on the side of the second shell (51); the output shaft of the second threaded sleeve (54) is inserted into the interior of the second shell (51) and is connected to a fourth bevel gear (55); the interior of the first threaded sleeve (52) is threadedly connected to a first threaded column (56); and a movable arm (57) is fixed to the first threaded column (56).

5. The die-casting process of a magnesium-lithium alloy notebook housing according to claim 4, characterized in that: The fixed arm (57) is slidably connected to the second shell (51), and the suction cup mechanism (6) is fixed to one end of the bottom of the movable arm (57).

6. The die-casting process of a magnesium-lithium alloy notebook housing according to claim 5, characterized in that: The suction cup mechanism (6) comprises a second mounting frame (61) fixed to one end of the bottom of the movable arm (57); the second mounting frame (61) is a C-shaped structure; a third motor (62) is mounted on the side of the second mounting frame (61); an output shaft of the third motor (62) is inserted into the interior of the second mounting frame (61) and is connected to a movable block (63); a connecting plate (64) is mounted on the side of the movable block (63); and a vacuum suction cup (65) is mounted on the connecting plate (64).

7. The die-casting process of a magnesium-lithium alloy notebook housing according to claim 1, characterized in that: The die-casting mechanism (7) comprises a third mounting frame (71) fixed on the base (1); a fixed platform (72) is fixed inside the third mounting frame (61); a lower mold (73) is fixed on the top of the fixed platform (72); guide shafts (74) are fixed at both ends of the top of the fixed platform (72); a lifting mechanism (75) is installed on the top of the third mounting frame (71); the lifting mechanism (75) is inserted into the interior of the third mounting frame (71) and is connected to a movable frame (76); the movable frame (76) is slidably connected to the guide shaft (74); and an upper mold (77) is installed on the bottom of the movable frame (76).

8. The die-casting process of a magnesium-lithium alloy notebook housing according to claim 7, characterized in that: The lifting mechanism (75) comprises a third shell (751) fixed on a third mounting frame (71); a second threaded sleeve (752) is rotatably connected inside the third shell (751); a fifth bevel gear (753) is fixedly sleeved on the second threaded sleeve (752); a second threaded column (754) is threadedly connected inside the second threaded sleeve (752); the second threaded sleeve (752) is fixed to a movable frame (76); a fourth motor (755) is installed on a side surface of the third shell (751); the fourth motor (755) is inserted into the interior of the third shell (751) and is connected to a sixth bevel gear (756); and the fifth bevel gear (753) and the sixth bevel gear (756) are meshingly driven.

9. The die-casting process of a magnesium-lithium alloy notebook shell according to claim 1, wherein the processing steps are: S1: starting the lifting mechanism (75) so that the movable frame (76) drives the upper mold (77) downward, so that the upper mold (77) and the lower mold (73) are molded together. After the molds are molded together, molten metal is injected between the upper mold (77) and the lower mold (73), and a certain pressure is applied to form the workpiece. After the workpiece is formed, starting the lifting mechanism (75) so that the movable frame (76) drives the upper mold (77) upward to complete demoulding; S2: Start the hydraulic cylinder (48) in the support mechanism (4), adjust the movable arm mechanism (5) and the suction cup mechanism (6), adjust the height of the movable arm mechanism (5) and the suction cup mechanism (6), start the movable arm mechanism (5), the movable arm mechanism (5) drives the suction cup mechanism (6), so that the suction cup mechanism (6) is close to the workpiece, and then the workpiece is taken out by using the suction cup mechanism (6), reversely start the movable arm mechanism (5) and the suction cup mechanism (6), so that the workpiece is taken out from the die-casting mechanism (7), start the first motor (44) in the support mechanism (4), adjust the angle of the movable arm mechanism (5) and the suction cup mechanism (6), so that the suction cup mechanism (6) drives the workpiece to move to the top of the conveyor belt device (3); S3: Start the movable arm mechanism (5) and the suction cup mechanism (6) to transport the workpiece to the conveyor belt device (3). After the workpiece is cooled, start the conveyor belt device (3) to transport the workpiece to the next workstation.

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