Dual-port usb assembly assembly line and assembly method thereof

Abstract

The application discloses a double-port USB assembly assembling production line, which comprises a rack, a first feeding mechanism, a second feeding mechanism, a transfer mechanism, a turnover mechanism, a metal cover plate transfer mechanism, a substrate assembly transfer mechanism, a covered shell assembly transfer mechanism, an uncovered shell assembly transfer mechanism, a CCD detection mechanism and a discharging mechanism. The first feeding mechanism is used for transferring the metal cover plate in the metal cover plate transfer mechanism to the substrate assembly transfer mechanism for assembly. The transfer mechanism is used for transferring the covered shell in the covered shell assembly transfer mechanism or the uncovered shell in the uncovered shell assembly transfer mechanism to the turnover mechanism, transferring the assembled metal cover plate and substrate from the substrate assembly transfer mechanism to the turnover mechanism, and transferring the finished product from the turnover mechanism to the discharging mechanism. The production line cost is saved, the substrate and the metal cover plate are assembled in the substrate assembly transfer mechanism first during assembly, and then the turnover mechanism is used for overall assembly, so that the assembly efficiency is effectively improved.

Description

Technical Field

[0001] This invention relates to the field of electronic component assembly equipment, specifically a dual-port USB assembly production line and its assembly method. Background Technology

[0002] USB is an abbreviation for Universal Serial Bus. It is an external bus standard and a technical specification for input / output interfaces. It is widely used in information and communication products such as personal computers and mobile devices, and has been extended to other related fields such as photographic equipment, digital televisions, and game consoles.

[0003] With the increasing prevalence of USB interface technology, more and more electronic products are adopting USB as the standard interface for data transfer and charging. How to achieve large-scale production, improve efficiency, and reduce costs are current challenges facing the industry. Existing assembly equipment suffers from low efficiency and high costs during assembly.

[0004] Therefore, it is necessary to provide a dual-port USB assembly production line and its assembly method. Summary of the Invention

[0005] The present invention provides a dual-port USB assembly production line and its assembly method, which effectively solves the problems of low assembly efficiency and high cost of existing assembly equipment.

[0006] The technical solution adopted in this invention is

[0007] A dual-port USB assembly production line includes a frame, and further includes a first loading mechanism, a second loading mechanism, a transfer mechanism, a flipping mechanism, a metal cover plate transfer mechanism arranged along the X direction, a substrate assembly transfer mechanism, a covered housing assembly transfer mechanism, a covered housing assembly transfer mechanism, a covered housing assembly transfer mechanism, a CCD detection mechanism, and an unloading mechanism. The first loading mechanism is used to transfer the metal cover plate from the metal cover plate transfer mechanism to the substrate assembly transfer mechanism for assembly. The transfer mechanism is used to transfer the covered housing from the covered housing assembly transfer mechanism or the covered housing from the covered housing assembly transfer mechanism to the flipping mechanism, and to transfer the assembled metal cover plate and substrate from the substrate assembly transfer mechanism to the flipping mechanism. The finished product is transferred from the flipping mechanism to the unloading mechanism.

[0008] Furthermore, the first feeding mechanism and the second feeding mechanism have the same structure. The first feeding mechanism includes a first pallet mounted on the frame, a first crossbeam mounted on the frame, a first linear module A mounted on the crossbeam along the X direction, a first linear module B mounted at the output end of the first linear module A along the Y direction, a first cylinder mounted at the output end of the first linear module B along the Z direction, and a first gripper mounted at the output end of the first cylinder.

[0009] Furthermore, the metal cover plate transfer mechanism includes a second base, a second positioning tray, a second tray mounted on the frame, a second linear module mounted on the second base along the Y direction for driving the second positioning tray to move, and a second light source mounted on the second base and located on both sides of the second linear module.

[0010] Furthermore, the substrate assembly transfer mechanism includes a third positioning tray, a third base mounted on the frame, a third linear module mounted on the third base along the Y direction for driving the third positioning tray to move, and a third light source mounted on the third base and located on both sides of the third linear module.

[0011] Furthermore, the flipping mechanism includes a No. 4 base mounted on the frame, a No. 4 cylinder A horizontally mounted on the No. 4 base, a No. 4 support mounted on the No. 4 base, a fixed base mounted on the No. 4 base, a rotating block hinged to the fixed base, a connecting rod with its two ends respectively hinged to the rotating block and the output end of the No. 4 cylinder A, a No. 4 gripper hinged to the other end of the rotating block, a No. 4 cylinder B mounted on the support, and a push block mounted on the output end of the No. 4 cylinder B. When the output end of the No. 4 cylinder A extends, it drives the rotating block to rotate through the connecting rod, causing the rotating block to drive the No. 4 gripper to rotate from a horizontal state to a vertical state towards the output end of the No. 4 cylinder B.

[0012] Furthermore, the transfer mechanism includes a first transfer assembly and a second transfer assembly. The first transfer assembly includes a fifth crossbeam and a receiving box mounted on the frame, a fifth linear module A mounted on the fifth crossbeam along the X direction, a fifth cylinder A mounted on the output end of the fifth linear module A along the Z direction, a fifth plate horizontally mounted on the output end of the fifth cylinder A, and fifth grippers A and B respectively mounted on both ends of the fifth plate. The second transfer assembly includes a second crossbeam mounted on the frame, a fifth linear module C mounted on the second crossbeam along the X direction, a fifth cylinder C mounted on the output end of the fifth linear module C along the Z direction, and a fifth gripper C fixedly mounted on the output end of the fifth cylinder C. The fifth gripper A is used to transfer the product from the substrate assembly mechanism to the flipping mechanism, and the fifth gripper C is used to transfer the product from the flipping mechanism to the unloading mechanism.

[0013] Furthermore, the covered housing assembly transfer mechanism includes a No. 6 base, a No. 6 secondary positioning tray, a No. 6 tray mounted on the frame, and a No. 6 linear module mounted on the frame along the Y direction for driving the No. 6 secondary positioning tray to move.

[0014] Furthermore, the coverless housing assembly transfer mechanism includes a No. 7 secondary positioning tray, a No. 7 base mounted on the frame, a No. 7 tray mounted on the frame, and a No. 7 linear module for driving the No. 7 secondary positioning tray to move.

[0015] The dual-port USB assembly method employs a dual-port USB assembly production line. A loading mechanism lifts the metal cover plate from the metal cover plate transfer mechanism to the substrate assembly transfer mechanism for assembly. Then, a transfer mechanism transfers the assembled metal cover plate and substrate from the substrate assembly transfer mechanism to a flipping mechanism. The flipping mechanism flips the assembled metal cover plate and substrate 90°. Next, the transfer mechanism transfers either the covered housing from the covered housing assembly transfer mechanism or the uncovered housing from the uncovered housing assembly transfer mechanism to the flipping mechanism to assemble with the assembled metal cover plate and substrate to form the product. A CCD inspection mechanism is then used for inspection, and finally, the product is transferred to the unloading mechanism via the transfer mechanism.

[0016] The beneficial effects of the invention are: it can be equipped with a cover or without a cover according to actual needs, saving production line costs. At the same time, by first assembling the substrate and the metal cover in the substrate assembly transfer mechanism during assembly, and then performing overall assembly through the flipping mechanism, the assembly efficiency can be effectively improved. Attached Figure Description

[0017] Figure 1 This is an overall schematic diagram of a dual-port USB assembly production line provided for an embodiment of this application.

[0018] Figure 2 This is a schematic diagram of the first feeding mechanism and the metal cover plate transfer mechanism of the dual-port USB assembly production line provided in the embodiments of this application.

[0019] Figure 3 This is a schematic diagram of a metal cover transfer mechanism for a dual-port USB assembly production line provided in an embodiment of this application.

[0020] Figure 4 This is a schematic diagram of the substrate assembly transfer mechanism of a dual-port USB assembly production line provided in an embodiment of this application.

[0021] Figure 5 This is a schematic diagram of the flipping mechanism of a dual-port USB assembly production line provided for an embodiment of this application.

[0022] Figure 6This is a schematic diagram of the transfer mechanism of a dual-port USB assembly production line provided for an embodiment of this application.

[0023] Figure 7 This is a schematic diagram of the covered housing assembly mechanism of a dual-port USB assembly production line provided for an embodiment of this application.

[0024] Figure 8 This is a schematic diagram of a coverless housing assembly transfer mechanism for a dual-port USB assembly assembly production line provided in an embodiment of this application.

[0025] The diagram is labeled as follows: 1. First feeding mechanism; 2. Second feeding mechanism; 3. Transfer mechanism; 4. Tilting mechanism; 5. Metal cover plate transfer mechanism; 6. Covered housing assembly transfer mechanism; 7. Substrate assembly transfer mechanism; 8. Coverless housing assembly transfer mechanism; 9. CCD detection mechanism; 10. Unloading mechanism; 12. First crossbeam; 13. First linear module A; 14. First linear module B; 15. First cylinder; 16. First gripper; 51. Second base; 52. Second positioning tray; 53. Second tray; 54. Second linear module; 55. Second light source; 71. Third positioning tray; 72. Third base; 73. Third linear module; 74. Third light source; 75. Third tray; 41. Fourth... 42. Base; 43. Support No. 4; 44. Fixed base; 45. Rotating block; 46. Connecting rod; 47. Gripper No. 4; 48. Cylinder No. 4 (B); 49. Push block; 301. Cylinder No. 4 (A); 302. Crossbeam No. 5; 303. Receiving box; 304. Linear module No. 5 (A); 305. Cylinder No. 5 (A); 306. Plate No. 5; 307. Gripper No. 5 (A); 308. Crossbeam No. 2; 309. Linear module No. 5 (C); 310. Cylinder No. 5 (C); 311. Gripper No. 5 (C); 604. Secondary positioning pallet No. 6; 601. Pallet No. 6; 603. Linear module No. 6; 81. Secondary positioning pallet No. 7; 82. Base No. 7; 83. Pallet No. 7; 84. Linear module No. 7; Detailed Implementation

[0026] To make the above-mentioned objects, features and advantages of the present invention more apparent and understandable, the specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

[0027] like Figure 1As shown, the dual-port USB assembly production line provided in the embodiments of this application includes a frame, and further includes a first loading mechanism 1, a second loading mechanism 2, a transfer mechanism 3, a flipping mechanism 4, a metal cover plate transfer mechanism 5 arranged along the X direction, a substrate assembly transfer mechanism 7, a covered housing assembly transfer mechanism 6, a coverless housing assembly transfer mechanism 8, a CCD detection mechanism 9, and a belt unloading mechanism 10 disposed on the frame. The first loading mechanism 1 is used to transfer the metal cover plate in the metal cover plate transfer mechanism 5 to the substrate assembly transfer mechanism 7 for assembly. The transfer mechanism 3 is used to transfer the covered housing in the covered housing assembly transfer mechanism 6 or the coverless housing in the coverless housing assembly transfer mechanism 8 to the flipping mechanism 4, and to transfer the assembled metal cover plate and substrate from the substrate assembly transfer mechanism 7 to the flipping mechanism 4. The finished product is transferred from the flipping mechanism 4 to the unloading mechanism 10.

[0028] In actual use, the metal cover plate is lifted from the metal cover plate transfer mechanism 5 to the substrate assembly transfer mechanism 7 by the feeding mechanism to complete the assembly. Then, the assembled metal cover plate and substrate are transferred from the substrate assembly transfer mechanism 7 to the flipping mechanism 4 by the transfer mechanism 3. The flipping mechanism 4 flips the assembled metal cover plate and substrate by 90°. Then, the covered shell in the covered shell assembly transfer mechanism 6 or the uncovered shell in the uncovered shell assembly transfer mechanism 8 is transferred to the flipping mechanism 4 to be assembled with the assembled metal cover plate and substrate to form a product. Then, the product is inspected by the CCD detection mechanism 9 and then transferred to the unloading mechanism 10 by the transfer mechanism 3.

[0029] In the above design, a cover or no cover can be selected according to actual needs, saving production line costs. At the same time, by first assembling the substrate and metal cover in the substrate assembly transfer mechanism 7 and then performing overall assembly through the flipping mechanism 4, the assembly efficiency can be effectively improved.

[0030] Specifically: such as Figure 2 As shown, the first feeding mechanism 1 and the second feeding mechanism 2 have the same structure. The first feeding mechanism 1 includes a first crossbeam 12 mounted on the frame, a first linear module A13 mounted on the crossbeam along the X direction, a first linear module B14 mounted at the output end of the first linear module A13 along the Y direction, a first cylinder 15 mounted at the output end of the first linear module B14 along the Z direction, and a first gripper 16 mounted at the output end of the first cylinder 15.

[0031] In actual use, linear module A13 drives linear module B14 to move in the X direction, linear module B14 drives cylinder 15 to move in the Y direction, and cylinder 15 drives gripper 16 to rise and fall, so that gripper 16 can grasp the metal cover plate. Then, linear modules A13, B14, and cylinder 15 drive gripper 16 to move above substrate assembly transfer mechanism 7. Cylinder 15 moves down, so gripper 16 can assemble the metal cover plate onto the substrate. After the substrate and metal cover plate are assembled, gripper 16 grasps the assembled substrate and metal cover plate. Then, linear modules A13, B14, and cylinder 15 drive gripper 16 to place the metal cover plate and substrate in flipping mechanism 4.

[0032] The above design can improve the efficiency of transferring product components.

[0033] Specifically: such as Figure 2 and Figure 3 As shown, the metal cover plate transfer mechanism 5 includes a second base 51, a second positioning tray 52, a second tray 53 mounted on the frame, a second linear module 54 mounted on the second base 51 along the Y direction for driving the second positioning tray 52 to move, and a second light source 55 mounted on the second base 51 and located on both sides of the second linear module 54.

[0034] In actual use, the metal cover plate is transferred from the second tray 53 to the second positioning tray 52 by the first feeding mechanism 1. The second positioning tray 52 is driven to move to the side of the second light source 55 by the second linear module 54, so that the CCD detection mechanism 9 can detect whether the metal cover plate is qualified.

[0035] In the above design, the structure of the metal cover plate transfer mechanism 5 enables the metal cover plate to be transferred quickly and can position the metal cover plate before the first feeding mechanism 1 transfers the metal cover plate.

[0036] Specifically: such as Figure 4 As shown, the substrate assembly transfer mechanism 7 includes a third tray 75, a third positioning tray 71, a third base 72 mounted on the frame, a third linear module 73 mounted on the third base 72 along the Y direction for driving the third positioning tray 71 to move, and a third light source 74 mounted on the third base 72 and located on both sides of the third linear module 73.

[0037] In actual use, the substrate is transferred from the third tray 75 to the third positioning tray 71 by the first feeding mechanism 1. Then, the third linear module 73 drives the third positioning tray 71 to move to the side of the third light source 74. After the CCD detection mechanism 9 detects that it is qualified, the metal cover plate is placed on the substrate located in the third positioning tray 71 by the first feeding mechanism 1 to complete the assembly of the substrate and the metal cover plate.

[0038] In the above design, the structural design and specific implementation of the substrate assembly transfer mechanism 7 can quickly realize the assembly of the substrate and the metal cover plate, and ensure the accuracy of the assembly of the substrate and the metal cover plate.

[0039] Specifically: such as Figure 5 As shown, the flipping mechanism 4 includes a No. 4 base 41 mounted on the frame, a No. 4 cylinder A49 horizontally mounted on the No. 4 base 41, a No. 4 support 42 mounted on the No. 4 base 41, a fixed seat 43 mounted on the No. 4 base 41, a rotating block 44 hinged to the fixed seat 43, a connecting rod 45 with its two ends respectively hinged to the rotating block 44 and the output end of the No. 4 cylinder A49, a No. 4 gripper 46 hinged to the other end of the rotating block 44, a No. 4 cylinder B47 mounted on the support, and a push block 48 mounted on the output end of the No. 4 cylinder B47. When the output end of the No. 4 cylinder A49 extends, it drives the rotating block 44 to rotate through the connecting rod 45, so that the rotating block 44 drives the No. 4 gripper 46 to rotate from a horizontal state to a vertical state towards the output end of the No. 4 cylinder B47.

[0040] In actual use, when the first feeding mechanism 1 transfers the assembled metal cover plate and substrate to the flipping mechanism 4, they are clamped by the fourth gripper 46. Then, the fourth cylinder A49 drives the connecting rod 45, causing the rotating block 44 to rotate and drive the fourth gripper 46 to flip upward by 90°, so that the substrate is facing the fourth cylinder. Then, the fourth cylinder B47 drives the pusher 48 to press the substrate.

[0041] In the above design, the structure of the flipping mechanism 4 can flip the assembled metal cover plate and the base plate, which facilitates subsequent assembly with a covered or uncovered shell and improves the ease of assembly.

[0042] Specifically: such as Figure 6As shown, the transfer mechanism 3 includes a first transfer assembly and a second transfer assembly. The first transfer assembly includes a fifth crossbeam 301 and a receiving box 302 mounted on the frame, a fifth linear module A303 mounted on the fifth crossbeam 301 along the X direction, a fifth cylinder A304 mounted at the output end of the fifth linear module A303 along the Z direction, a fifth plate 305 horizontally mounted at the output end of the fifth cylinder A304, and fifth grippers A306 and B307 respectively mounted at both ends of the fifth plate 305. The second transfer assembly includes a second crossbeam 308 mounted on the frame, a fifth linear module C309 mounted on the second crossbeam 308 along the X direction, a fifth cylinder C310 mounted at the output end of the fifth linear module C309 along the Z direction, and a fifth gripper C311 fixedly mounted at the output end of the fifth cylinder C310. The fifth gripper A306 is used to transfer the product from the substrate assembly to the flipping mechanism 4, and the fifth gripper C311 is used to transfer the product from the flipping mechanism 4 to the unloading mechanism 10.

[0043] In actual use, the first transfer assembly transfers the assembled metal cover and substrate to the flipping mechanism 4, and the second transfer assembly transfers the assembled product from the flipping mechanism 4 to the unloading mechanism 10. The first transfer assembly works as follows: the fifth linear module A303 drives the fifth cylinder A304 to move in the X direction, and the fifth cylinder A304 drives the fifth plate 305 to descend, causing the fifth gripper A306 to grasp the qualified substrate and metal cover, or the fifth gripper B307 to grasp the unqualified substrate and metal cover. The receiving box 302 collects the unqualified substrate and metal cover. The second transfer assembly works as follows: the fifth linear module C309 drives the fifth cylinder C310 to descend, causing the fifth gripper C311 to clamp the product.

[0044] In the above design, the structural design and specific implementation of the transfer mechanism 3 can effectively realize the rapid transfer of various parts and assembled products.

[0045] Specifically: such as Figure 7 As shown, the covered housing assembly transfer mechanism 6 includes a base number 6, a secondary positioning tray number 604, a tray number 601 mounted on the frame, and a linear module number 603 mounted on the frame along the Y direction for driving the secondary positioning tray number 604 to move.

[0046] In actual use, the covered shell located in the sixth pallet 601 is transferred to the sixth secondary positioning pallet 604 by the second feeding mechanism 2. Then, the sixth linear module 603 drives the sixth secondary positioning pallet 604 to move, so that the transfer mechanism 3 transfers the uncovered shell.

[0047] In the above design, the structural design and specific implementation of the covered housing assembly transfer mechanism 6 can effectively realize the rapid transfer of the covered housing.

[0048] Specifically: such as Figure 8 As shown, the coverless housing assembly transfer mechanism 8 includes a No. 7 secondary positioning tray 81, a No. 7 base 82 mounted on the frame, a No. 7 tray 83 mounted on the frame, and a No. 7 linear module 84 for driving the No. 7 secondary positioning tray 81 to move.

[0049] In actual use, the coverless shell located in the seventh pallet 83 is transferred to the seventh secondary positioning pallet 81 by the second feeding mechanism 2. Then, the seventh linear module 84 drives the seventh secondary positioning pallet 81 to move, so that the transfer mechanism 3 transfers the coverless shell.

[0050] In the above design, the structural design of the coverless housing assembly transfer mechanism 8 enables the rapid transfer of the coverless housing.

[0051] The dual-port USB assembly assembly method employs a dual-port USB assembly production line. A loading mechanism lifts the metal cover plate from the metal cover plate transfer mechanism 5 to the substrate assembly transfer mechanism 7 for assembly. Then, a transfer mechanism 3 transfers the assembled metal cover plate and substrate from the substrate assembly transfer mechanism 7 to a flipping mechanism 4. The flipping mechanism 4 flips the assembled metal cover plate and substrate 90°. Subsequently, the transfer mechanism 3 transfers the covered housing from the covered housing assembly transfer mechanism 6 or the uncovered housing from the uncovered housing assembly transfer mechanism 8 to the flipping mechanism 4 to assemble with the assembled metal cover plate and substrate to form the product. The product is then inspected using a CCD detection mechanism 9 and finally transferred to the unloading mechanism 10 via the transfer mechanism 3.

[0052] In further detail, it should be understood that the above description is only a specific embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A dual-port USB assembly line, including a frame, characterized in that: It also includes a first loading mechanism (1), a second loading mechanism (2), a transfer mechanism (3), a flipping mechanism (4), a metal cover plate transfer mechanism (5) arranged along the X direction, a substrate assembly transfer mechanism (7), a covered housing assembly transfer mechanism (6), a covered housing assembly transfer mechanism (8), a CCD detection mechanism (9), and a unloading mechanism (10). The first loading mechanism (1) is used to transfer the metal cover plate in the metal cover plate transfer mechanism (5) to the substrate assembly transfer mechanism (7) for assembly. The transfer mechanism (3) is used to transfer the covered housing in the covered housing assembly transfer mechanism (6) or the covered housing in the covered housing assembly transfer mechanism (8) to the flipping mechanism (4) and to transfer the assembled... The metal cover plate and substrate are transferred from the substrate assembly transfer mechanism (7) to the flipping mechanism (4), and the finished product is transferred from the flipping mechanism (4) to the unloading mechanism (10); the flipping mechanism (4) includes a No. 4 base (41) mounted on the frame, a No. 4 cylinder A (49) horizontally mounted on the No. 4 base (41), a No. 4 support (42) mounted on the No. 4 base (41), a fixed seat (43) mounted on the No. 4 base (41), a rotating block (44) hinged to the fixed seat (43), a connecting rod (45) with both ends hinged to the output ends of the rotating block (44) and the No. 4 cylinder A (49) respectively, a No. 4 gripper (46) hinged to the other end of the rotating block (44), a No. 4 cylinder B (47) mounted on the support, and a set The push block (48) at the output end of cylinder B (47) of cylinder 4, when the output end of cylinder A (49) of cylinder 4 extends, drives the rotating block (44) to rotate through the connecting rod (45), so that the rotating block (44) drives the gripper (46) of cylinder 4 to rotate from the horizontal state to the output end of cylinder B (47) of cylinder 4 to the vertical state; the transfer mechanism (3) includes a first transfer assembly and a second transfer assembly. The first transfer assembly includes a fifth crossbeam (301) and a receiving box (302) set on the frame, a fifth linear module A (303) set on the fifth crossbeam (301) along the X direction, a fifth cylinder A (304) set on the output end of the fifth linear module A (303) along the Z direction, and a horizontally set on the fifth cylinder A (304) The output end of the No. 5 plate (305) includes No. 5 grippers A (306) and No. 5 grippers B (307) respectively disposed at both ends of the No. 5 plate (305). The No. 2 transfer assembly includes a No. 2 crossbeam (308) disposed on the frame, a No. 5 linear module C (309) disposed along the X direction on the No. 2 crossbeam (308), a No. 5 cylinder C (310) disposed along the Z direction at the output end of the No. 5 linear module C (309), and a No. 5 gripper C (311) fixedly disposed at the output end of the No. 5 cylinder C (310). The No. 5 gripper A (306) is used to transfer the product from the substrate assembly mechanism to the flipping mechanism (4), and the No. 5 gripper C (311) is used to transfer the product from the flipping mechanism (4) to the unloading mechanism (10).

2. The dual-port USB assembly production line according to claim 1, characterized in that: The first feeding mechanism (1) and the second feeding mechanism (2) have the same structure. The first feeding mechanism (1) includes a first pallet set on the frame, a first crossbeam (12) set on the frame, a first linear module A (13) set on the crossbeam along the X direction, a first linear module B (14) set at the output end of the first linear module A (13) along the Y direction, a first cylinder (15) set at the output end of the first linear module B (14) along the Z direction, and a first gripper (16) set at the output end of the first cylinder (15).

3. The dual-port USB assembly production line according to claim 1, characterized in that: The metal cover plate transfer mechanism (5) includes a second base (51), a second positioning tray (52), a second tray (53) set on the frame, a second linear module (54) set on the second base (51) along the Y direction for driving the second positioning tray (52) to move, and a second light source (55) set on the second base (51) and located on both sides of the second linear module (54).

4. The dual-port USB assembly production line according to claim 1, characterized in that: The substrate assembly transfer mechanism (7) includes a third positioning tray (71), a third base (72) mounted on the frame, a third linear module (73) mounted on the third base (72) along the Y direction for driving the third positioning tray (71) to move, and a third light source (74) mounted on the third base (72) and located on both sides of the third linear module (73).

5. The dual-port USB assembly production line according to claim 1, characterized in that: The covered housing assembly transfer mechanism (6) includes a No. 6 base, a No. 6 secondary positioning tray (604), a No. 6 tray (601) mounted on the frame, and a No. 6 linear module (603) mounted on the frame along the Y direction for driving the No. 6 secondary positioning tray (604) to move.

6. The dual-port USB assembly production line according to claim 1, characterized in that: The coverless housing assembly transfer mechanism (8) includes a No. 7 secondary positioning tray (81), a No. 7 base (82) mounted on the frame, a No. 7 tray (83) mounted on the frame, and a No. 7 linear module (84) for driving the No. 7 secondary positioning tray (81) to move.

7. A dual-port USB assembly method, employing the dual-port USB assembly production line described in any one of claims 1 to 6, characterized in that: The metal cover plate is lifted from the metal cover plate transfer mechanism (5) to the substrate assembly transfer mechanism (7) by the feeding mechanism to complete the assembly. Then, the assembled metal cover plate and substrate are transferred from the substrate assembly transfer mechanism (7) to the flipping mechanism (4) by the transfer mechanism (3). The flipping mechanism (4) flips the assembled metal cover plate and substrate by 90°. Then, the covered shell in the covered shell assembly transfer mechanism (6) or the uncovered shell in the uncovered shell assembly transfer mechanism (8) is transferred to the flipping mechanism (4) to be assembled with the assembled metal cover plate and substrate to form a product. Then, the product is inspected by the CCD detection mechanism (9) and then transferred to the unloading mechanism (10) by the transfer mechanism (3).

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