An assembly soldering apparatus for PCBs and method of use thereof

Abstract

The application discloses a kind of equipment of PCB assembly welding and its use method, belong to PCB assembly technical field.PCB assembly welding equipment includes assembly table and screw conveying mechanism, further include: first support frame is fixedly connected on the surface of assembly table, the side wall of first support frame is connected with first screw rod by first motor, the outer wall of first screw rod is connected with first sliding block by thread;First electric push rod is fixedly connected on the surface of first sliding block, and the output end of first electric push rod is fixedly connected with first support plate;Second electric push rod is fixedly connected on the surface of first support plate, and the output end of second electric push rod is connected with sixth motor by first moving plate, and the output end of sixth motor is fixedly connected with screwdriver;Third electric push rod is fixedly connected on the surface of first support plate, and the output end of third electric push rod is fixedly connected with first mechanical gripper;The equipment reduces work intensity, improves work efficiency, and simultaneously, product quality is improved.

Description

Technical Field

[0001] This invention relates to the field of PCB assembly technology, and in particular to a PCB assembly and welding equipment and its usage method. Background Technology

[0002] PCB, or Printed Circuit Board, is an important electronic component. It serves as the support for electronic components and the carrier for their electrical interconnections. Because it is manufactured using electronic printing techniques, it is called a "printed" circuit board.

[0003] To improve the heat dissipation efficiency of PCBs, heat sinks are usually attached during the assembly process. In the traditional PCB assembly and soldering process, the heat sinks are usually fixed to the surface of the PCB by screws manually. Due to factors such as unstable personnel, this can easily lead to problems such as wasted production capacity, low production efficiency, and poor product quality. Therefore, it is necessary to improve this method. Summary of the Invention

[0004] The purpose of this invention is to solve the problems of waste of production capacity, low production efficiency and poor product quality caused by the manual method of fixing heat sinks to the surface of PCB board with screws in the existing technology, which is often caused by unstable personnel and other factors. The invention proposes a PCB board assembly and welding equipment and its usage method.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] A PCB assembly and welding device includes an assembly table with a limiting frame on its surface, and further includes: a first support frame fixedly connected to the surface of the assembly table, a first motor fixedly connected to the side wall of the first support frame, a first lead screw fixedly connected to the output end of the first motor, and a first slider threadedly connected to the outer wall of the first lead screw; a first groove formed on the surface of the first support frame, the first slider slidably connected within the first groove; a first electric push rod fixedly connected to the surface of the first slider, the output end of the first electric push rod fixedly connected to a first support plate; a second electric push rod fixedly connected to the surface of the first support plate, the output end of the second electric push rod fixedly connected to a first moving plate, a sixth motor fixedly connected to the surface of the first moving plate, the output end of the sixth motor fixedly connected to a screwdriver; a third electric push rod fixedly connected to the surface of the first support plate, the output end of the third electric push rod fixedly connected to a first mechanical gripper; and a screw conveying mechanism fixedly connected to the surface of the assembly table, the screw conveying mechanism being used to convey screws towards the first mechanical gripper.

[0007] To facilitate the sorting and conveying of screws, preferably, the screw conveying mechanism includes: a first vibratory plate fixedly connected to the surface of the assembly table, the output end of the first vibratory plate being fixedly connected to a first concave plate; a second support frame fixedly connected to the surface of the assembly table, the first concave plate being fixedly connected to the surface of the second support frame, the surface of the second support frame having a second sliding groove; a first cylinder fixedly connected to the side wall of the second support frame, the output end of the first cylinder being fixedly connected to a second moving plate, the second moving plate being slidably connected to the second sliding groove; a second cylinder fixedly connected to the bottom of the second moving plate, the output end of the second cylinder being fixedly connected to a misalignment plate, the misalignment plate being slidably connected to the second moving plate, the surface of the misalignment plate having a first groove; and a first stop block fixedly connected to the surface of the second moving plate.

[0008] To facilitate the simultaneous assembly of multiple PCB boards, preferably, a divider is fixedly connected to the surface of the assembly table, a turntable is fixedly connected to the output end of the divider, and a circumferential array of limiting frames is arranged on the surface of the turntable.

[0009] To facilitate adjustment of the angle of the limiting frame, a second motor is fixedly connected to the bottom of the turntable, and the output end of the second motor is fixedly connected to the limiting frame, which is rotatably connected to the turntable.

[0010] To further improve work efficiency, the surface of the assembly table is fixedly connected with a feeding conveyor and a discharging conveyor. A feeding mechanism is provided on one side of the feeding conveyor, and a discharging mechanism is provided on one side of the discharging conveyor.

[0011] To facilitate automatic feeding, both the feeding and discharging mechanisms include: a third support frame fixedly connected to the surface of the assembly table, a third motor fixedly connected to the surface of the third support frame, and a first rotating rod fixedly connected to the output end of the third motor; a second rotating rod rotatably connected to the inner wall of the third support frame, and a conveyor belt drivingly connecting the first and second rotating rods.

[0012] To facilitate automatic loading and unloading, the loading and unloading mechanisms further include: a fourth support frame fixedly connected to the surface of the assembly table, a fourth motor fixedly connected to the side wall of the fourth support frame, and a second lead screw fixedly connected to the output end of the fourth motor; a third movable plate threadedly connected to the outer wall of the second lead screw, a guide rail fixedly connected to the surface of the fourth support frame, and the third movable plate slidably connected to the guide rail; and a fifth electric push rod fixedly connected to the surface of the third movable plate, with a second mechanical gripper fixedly connected to the output end of the fifth electric push rod.

[0013] To facilitate the automatic addition of heat sinks, the surface of the assembly table is further fixedly connected to a second vibrating plate and a fifth support frame. The output end of the second vibrating plate is fixedly connected to a second concave plate, which is fixedly connected to the fifth support frame. The surface of the fifth support frame is fixedly connected to a third cylinder, the output end of the third cylinder is fixedly connected to a fourth moving plate, the surface of the fourth moving plate is fixedly connected to the third concave plate, and the surface of the assembly table is fixedly connected to a transfer mechanism for transferring the heat sinks inside the second vibrating plate.

[0014] To facilitate the transfer of the heat sink, the transfer mechanism further includes a sixth support frame fixedly connected to the surface of the assembly table. A fifth motor is fixedly connected to the surface of the sixth support frame, and a third lead screw is fixedly connected to the output end of the fifth motor. A fifth moving plate is threaded to the outer wall of the third lead screw. A third sliding groove is formed on the surface of the fifth moving plate, and the fifth moving plate is slidably connected within the third sliding groove. A fourth electric push rod is fixedly connected to the side wall of the fifth moving plate, and the output end of the fourth electric push rod is fixedly connected to the sixth moving plate. A fourth cylinder is fixedly connected to the surface of the sixth moving plate, and a third mechanical gripper is fixedly connected to the output end of the fourth cylinder.

[0015] A PCB board assembly and soldering method, the operation steps are as follows:

[0016] Step 1: Place the heatsink on the surface of the PCB board to be assembled;

[0017] Step 2: Sort the screws and automatically fix the heatsink to the PCB board surface with the screws;

[0018] Step 3: Solder the PCB board, and then use an automatic lead trimming machine to trim the leads after soldering.

[0019] Step 4: Perform the dispensing operation using an automatic dispensing machine;

[0020] Step 5: Perform electrical performance tests using an automated testing system.

[0021] Compared with the prior art, the present invention provides a PCB board assembly and welding device, which has the following beneficial effects:

[0022] 1. The PCB assembly and welding equipment places the PCB to be processed within a limiting frame, then places the heat sink on the surface of the PCB. The first vibratory feeder is activated to allow screws to enter the first groove in an orderly manner. The first mechanical gripper is moved directly above the misalignment plate. By controlling the third electric push rod, the first electric push rod, the first motor, and the third electric push rod, the screws are easily placed into the threaded holes on the heat sink. Then, by controlling the second electric push rod and the sixth motor, the heat sink is automatically fixed to the PCB with screws. This mechanical approach replaces traditional manual labor, reducing workload, increasing efficiency, minimizing losses due to personnel instability, and improving product quality.

[0023] 2. The PCB assembly and welding equipment uses a third motor to drive the conveyor belt, facilitating workpiece transport. A fourth motor drives the second lead screw to rotate, which in turn moves the third moving plate on the guide rail, allowing for easy adjustment of the position of the second mechanical gripper. A fifth electric push rod pushes the second mechanical gripper to move, allowing for easy adjustment of its height. This facilitates loading and unloading of materials, reduces workload, and improves work efficiency.

[0024] 3. The PCB assembly and welding equipment places the PCB in the corresponding limit frame by controlling the feeding and conveying mechanism and the loading mechanism. Then, the divider is controlled to make the turntable rotate intermittently. The fifth motor is started to drive the third lead screw to rotate. The third lead screw drives the fifth moving plate to slide in the third slide groove. The fourth electric push rod is started to push the sixth moving plate to move. The fourth cylinder is started to push the third mechanical gripper to move, which facilitates the placement of the heat sink in the second concave plate on the surface of the PCB and improves work efficiency. Attached Figure Description

[0025] Figure 1 This is a schematic diagram of the structure of a PCB board assembly and welding equipment proposed in this invention;

[0026] Figure 2 This invention proposes an assembly and welding device for PCB boards. Figure 1 Enlarged schematic diagram of the structure at point A in the diagram;

[0027] Figure 3 This is a partial structural diagram of a PCB board assembly and welding equipment proposed in this invention. Figure 1 ;

[0028] Figure 4 This is a partial structural diagram of a PCB board assembly and welding equipment proposed in this invention. Figure 2 ;

[0029] Figure 5This is a partial structural diagram of a PCB board assembly and welding equipment proposed in this invention. Figure 3 ;

[0030] Figure 6 This is a partial structural diagram of a PCB board assembly and welding equipment proposed in this invention. Figure 4 ;

[0031] Figure 7 This invention proposes an assembly and welding device for PCB boards. Figure 6 Enlarged schematic diagram of the structure at point B in the diagram.

[0032] In the diagram: 1. Assembly table; 101. Limiting frame; 102. First support frame; 103. First motor; 104. First lead screw; 105. First slider; 106. First slide groove; 107. First electric push rod; 2. First support plate; 201. Second electric push rod; 202. First moving plate; 203. Sixth motor; 204. Screwdriver; 205. Third electric push rod; 206. First mechanical gripper; 3. First vibratory feeder; 301. Second support frame; 302. First concave plate; 303. First cylinder; 304. Second moving plate; 305. Second cylinder; 306. Misalignment plate; 307. Second slide groove; 308. First groove; 309. First stop block; 4. Divider; 401. Turntable; 402. Second motor 403. Third support frame; 404. Third motor; 405. First rotating rod; 406. Second rotating rod; 407. Conveyor belt; 5. Fourth support frame; 501. Fourth motor; 502. Second lead screw; 503. Third moving plate; 504. Fifth electric push rod; 505. Second mechanical gripper; 506. Guide rail; 6. Second vibratory feeder; 601. Second concave plate; 602. Fifth support frame; 603. Third cylinder; 604. Fourth moving plate; 605. Third concave plate; 7. Sixth support frame; 701. Fifth motor; 702. Third lead screw; 703. Fifth moving plate; 704. Third chute; 705. Fourth electric push rod; 706. Sixth moving plate; 707. Fourth cylinder; 708. Third mechanical gripper. Detailed Implementation

[0033] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments.

[0034] In the description of this invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this invention.

[0035] Example 1:

[0036] Reference Figure 1 as well as Figures 3-5 A PCB assembly and welding device includes an assembly table 1 with a limit frame 101 on its surface, and further includes: a first support frame 102 fixedly connected to the surface of the assembly table 1, a first motor 103 fixedly connected to the side wall of the first support frame 102, a first lead screw 104 fixedly connected to the output end of the first motor 103, and a first slider 105 threadedly connected to the outer wall of the first lead screw 104; a first groove 106 formed on the surface of the first support frame 102, the first slider 105 slidably connected in the first groove 106; and a first electric push rod 107 fixedly connected to the surface of the first slider 105. A first support plate 2 is fixedly connected to the output end; a second electric push rod 201 is fixedly connected to the surface of the first support plate 2, and a first moving plate 202 is fixedly connected to the output end of the second electric push rod 201; a sixth motor 203 is fixedly connected to the surface of the first moving plate 202, and a screwdriver 204 is fixedly connected to the output end of the sixth motor 203; a third electric push rod 205 is fixedly connected to the surface of the first support plate 2, and a first mechanical gripper 206 is fixedly connected to the output end of the third electric push rod 205; and a screw conveying mechanism is fixedly connected to the surface of the assembly table 1, which is used to convey screws to the first mechanical gripper 206.

[0037] Reference Figures 3-5 The screw conveying mechanism includes: a first vibratory plate 3 fixedly connected to the surface of the assembly table 1, with a first concave plate 302 fixedly connected to the output end of the first vibratory plate 3; a second support frame 301 fixedly connected to the surface of the assembly table 1, with the first concave plate 302 fixedly connected to the surface of the second support frame 301, and a second sliding groove 307 formed on the surface of the second support frame 301; a first cylinder 303 fixedly connected to the side wall of the second support frame 301, with a second moving plate 304 fixedly connected to the output end of the first cylinder 303, and the second moving plate 304 slidably connected to the second sliding groove 307; a second cylinder 305 fixedly connected to the bottom of the second moving plate 304, with a misalignment plate 306 fixedly connected to the output end of the second cylinder 305, and the misalignment plate 306 slidably connected to the second moving plate 304, and a first groove 308 formed on the surface of the misalignment plate 306; and a first stop block 309 fixedly connected to the surface of the second moving plate 304.

[0038] In use, the PCB board to be processed is placed in the limiting frame 101, and then the heat sink is placed on the surface of the PCB board. The first vibratory feeder 3 is started to make the screws enter the first concave plate 302 in an orderly manner, and one of the screws falls into the first groove 308. The first cylinder 303 is started to push the second moving plate 304 to move in the second slide groove 307, thereby blocking the outlet of the first concave plate 302 by the first stop block 309. The second cylinder 305 is started to push the misalignment plate 306 to rise. The first motor 103 is started to drive the first lead screw 104 to rotate. The first lead screw 104 drives the first slider 105 to slide in the first slide groove 106, thereby facilitating the adjustment of the position of the first support plate 2.

[0039] The first mechanical gripper 206 is moved to directly above the misalignment plate 306, and the third electric push rod 205 is activated to push the first mechanical gripper 206 down, thereby facilitating the clamping of the screw in the first groove 308. By controlling the first electric push rod 107, the first motor 103, and the third electric push rod 205, the screw is placed in the threaded hole on the heat sink. Then, by controlling the second electric push rod 201 and the sixth motor 203, the heat sink is automatically fixed to the PCB board with screws. By using machinery to replace traditional manual labor, the workload is reduced, the work efficiency is improved, and at the same time, the losses caused by personnel instability are reduced, thus improving product quality.

[0040] Example 2:

[0041] Reference Figure 1 The implementation is basically the same as in Example 1, but with the addition of a specific implementation scheme for assembling multiple PCB boards simultaneously.

[0042] Reference Figure 1 A divider 4 is fixedly connected to the surface of the assembly table 1. A turntable 401 is fixedly connected to the output end of the divider 4. A limit frame 101 is arranged in a circular array on the surface of the turntable 401. The divider 4 is started to drive the turntable 401 to rotate intermittently, which facilitates the simultaneous assembly of multiple PCB boards.

[0043] A second motor 402 is fixedly connected to the bottom of the turntable 401. The output end of the second motor 402 is fixedly connected to the limiting frame 101. The limiting frame 101 is rotatably connected to the turntable 401. The second motor 402 is started to drive the limiting frame 101 to rotate, which makes it easier to adjust the angle of the limiting frame 101, reduces errors, and improves product quality.

[0044] Example 3:

[0045] Reference Figures 1-2 It is basically the same as Example 2, but further, a specific implementation plan for improving work efficiency is added.

[0046] Reference Figure 1 The surface of the assembly table 1 is fixedly connected with a feeding conveyor and a discharging conveyor. A feeding mechanism is provided on one side of the feeding conveyor, and a discharging mechanism is provided on one side of the discharging conveyor.

[0047] Reference Figures 1-2 Both the feeding conveying mechanism and the discharging conveying mechanism include: a third support frame 403 fixedly connected to the surface of the assembly table 1, a third motor 404 fixedly connected to the surface of the third support frame 403, a first rotating rod 405 fixedly connected to the output end of the third motor 404; a second rotating rod 406 rotatably connected to the inner wall of the third support frame 403, and a conveyor belt 407 drivingly connected between the first rotating rod 405 and the second rotating rod 406.

[0048] The working principle of the feeding conveyor and the discharging conveyor is as follows: the third motor 404 is started to drive the first rotating rod 405 to rotate. Under the transmission action of the conveyor belt 407, the first rotating rod 405 drives the second rotating rod 406 to rotate. The rotation of the first rotating rod 405 and the second rotating rod 406 is conducive to the movement of the conveyor belt 407, thereby facilitating the conveying of the workpiece.

[0049] Reference Figures 1-2 Both the loading and unloading mechanisms include: a fourth support frame 5 fixedly connected to the surface of the assembly table 1, a fourth motor 501 fixedly connected to the side wall of the fourth support frame 5, and a second lead screw 502 fixedly connected to the output end of the fourth motor 501; a third moving plate 503 threadedly connected to the outer wall of the second lead screw 502, a guide rail 506 fixedly connected to the surface of the fourth support frame 5, and the third moving plate 503 slidably connected to the guide rail 506; and a fifth electric push rod 504 fixedly connected to the surface of the third moving plate 503, with a second mechanical gripper 505 fixedly connected to the output end of the fifth electric push rod 504.

[0050] The working principle of the feeding mechanism and the unloading mechanism is as follows: the fourth motor 501 is started to drive the second lead screw 502 to rotate. The second lead screw 502 drives the third moving plate 503 to move on the guide rail 506, thereby facilitating the adjustment of the position of the second mechanical gripper 505. The fifth electric push rod 504 is started to push the second mechanical gripper 505 to move, thereby facilitating the adjustment of the height of the second mechanical gripper 505.

[0051] Example 4:

[0052] Reference Figure 1 as well as Figures 6-7 It is basically the same as Example 3, but with the addition of a specific implementation scheme for automatically adding heat sinks.

[0053] Reference Figure 1 as well as Figures 6-7The surface of the assembly table 1 is fixedly connected to a second vibrating plate 6 and a fifth support frame 602. The output end of the second vibrating plate 6 is fixedly connected to a second concave plate 601. The second concave plate 601 is fixedly connected to the fifth support frame 602. The surface of the fifth support frame 602 is fixedly connected to a third cylinder 603. The output end of the third cylinder 603 is fixedly connected to a fourth moving plate 604. The surface of the fourth moving plate 604 is fixedly connected to a third concave plate 605. The surface of the assembly table 1 is fixedly connected to a transfer mechanism, which is used to transfer the heat sink inside the second vibrating plate 6.

[0054] Reference Figures 6-7 The transfer mechanism includes a sixth support frame 7 fixedly connected to the surface of the assembly table 1. A fifth motor 701 is fixedly connected to the surface of the sixth support frame 7. A third lead screw 702 is fixedly connected to the output end of the fifth motor 701. A fifth moving plate 703 is threadedly connected to the outer wall of the third lead screw 702. A third sliding groove 704 is opened on the surface of the fifth moving plate 703. The fifth moving plate 703 is slidably connected in the third sliding groove 704. A fourth electric push rod 705 is fixedly connected to the side wall of the fifth moving plate 703. A sixth moving plate 706 is fixedly connected to the output end of the fourth electric push rod 705. A fourth cylinder 707 is fixedly connected to the surface of the sixth moving plate 706. A third mechanical gripper 708 is fixedly connected to the output end of the fourth cylinder 707.

[0055] In use, the PCB board is placed in the corresponding limit frame 101 by controlling the feeding and conveying mechanism and the loading mechanism. Then, the divider 4 is controlled to make the turntable 401 rotate intermittently. The second vibrating plate 6 is started to move the heat sink in an orderly manner from the second concave plate 601 to the third concave plate 605. The third cylinder 603 is started to push the fourth moving plate 604 to move, thereby separating the heat sink in the second concave plate 601 from the other heat sinks. The fifth motor 701 is started to drive the third lead screw 702 to rotate. The third lead screw 702 drives the fifth moving plate 703 to slide in the third slide groove 704. The fourth electric push rod 705 is started to push the sixth moving plate 706 to move. The fourth cylinder 707 is started to push the third mechanical gripper 708 to move, thereby facilitating the placement of the heat sink in the second concave plate 601 on the surface of the PCB board and improving work efficiency.

[0056] A PCB board assembly and soldering method, the operation steps are as follows:

[0057] Step 1: Place the heatsink on the surface of the PCB board to be assembled;

[0058] Step 2: Sort the screws and automatically fix the heatsink to the PCB board surface with the screws;

[0059] Step 3: Solder the PCB board, and then use an automatic lead trimming machine to trim the leads after soldering.

[0060] Step 4: Perform the dispensing operation using an automatic dispensing machine;

[0061] Step 5: Perform electrical performance tests using an automated testing system.

[0062] The above description is only a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in the present invention, based on the technical solution and inventive concept of the present invention, should be covered within the scope of protection of the present invention.

Claims

1. A PCB board assembly and welding device, comprising an assembly table (1) with a limiting frame (101) on its surface, characterized in that, Also includes: A first support frame (102) is fixedly connected to the surface of the assembly table (1). A first motor (103) is fixedly connected to the side wall of the first support frame (102). A first lead screw (104) is fixedly connected to the output end of the first motor (103). A first slider (105) is threadedly connected to the outer wall of the first lead screw (104). A first groove (106) is formed on the surface of the first support frame (102), and the first slider (105) is slidably connected in the first groove (106); A first electric push rod (107) is fixedly connected to the surface of the first slider (105), and a first support plate (2) is fixedly connected to the output end of the first electric push rod (107). A second electric push rod (201) is fixedly connected to the surface of the first support plate (2). The output end of the second electric push rod (201) is fixedly connected to a first moving plate (202). A sixth motor (203) is fixedly connected to the surface of the first moving plate (202). A screwdriver (204) is fixedly connected to the output end of the sixth motor (203). A third electric push rod (205) is fixedly connected to the surface of the first support plate (2), and a first mechanical gripper (206) is fixedly connected to the output end of the third electric push rod (205). A screw conveying mechanism is fixedly connected to the surface of the assembly table (1), the screw conveying mechanism being used to convey screws toward the first mechanical gripper (206); The screw delivery mechanism includes: A first vibratory plate (3) is fixedly connected to the surface of the assembly table (1), and a first concave plate (302) is fixedly connected to the output end of the first vibratory plate (3). A second support frame (301) is fixedly connected to the surface of the assembly table (1), and a first concave plate (302) is fixedly connected to the surface of the second support frame (301). A second groove (307) is opened on the surface of the second support frame (301). A first cylinder (303) is fixedly connected to the side wall of the second support frame (301). The output end of the first cylinder (303) is fixedly connected to a second moving plate (304). The second moving plate (304) is slidably connected to the second slide groove (307). A second cylinder (305) is fixedly connected to the bottom of the second moving plate (304). A misaligned plate (306) is fixedly connected to the output end of the second cylinder (305). The misaligned plate (306) is slidably connected to the second moving plate (304). A first groove (308) is opened on the surface of the misaligned plate (306). A first stop (309) is fixedly connected to the surface of the second movable plate (304).

2. The PCB board assembly and welding equipment according to claim 1, characterized in that, A divider (4) is fixedly connected to the surface of the assembly table (1), and a turntable (401) is fixedly connected to the output end of the divider (4). The limiting frame (101) is arranged in a circular array on the surface of the turntable (401).

3. The PCB board assembly and welding equipment according to claim 2, characterized in that, The bottom of the turntable (401) is fixedly connected to a second motor (402), the output end of the second motor (402) is fixedly connected to a limiting frame (101), and the limiting frame (101) is rotatably connected to the turntable (401).

4. The PCB board assembly and welding equipment according to claim 2, characterized in that, The surface of the assembly table (1) is fixedly connected to a feeding conveyor and a discharging conveyor. A feeding mechanism is provided on one side of the feeding conveyor, and a discharging mechanism is provided on one side of the discharging conveyor.

5. The PCB board assembly and welding equipment according to claim 4, characterized in that, Both the feeding conveyor and the discharging conveyor include: A third support frame (403) is fixedly connected to the surface of the assembly table (1). A third motor (404) is fixedly connected to the surface of the third support frame (403). A first rotating rod (405) is fixedly connected to the output end of the third motor (404). A second rotating rod (406) is rotatably connected to the inner wall of the third support frame (403), and a conveyor belt (407) is drivingly connected between the first rotating rod (405) and the second rotating rod (406).

6. The PCB board assembly and welding equipment according to claim 4, characterized in that, Both the loading mechanism and the unloading mechanism include: A fourth support frame (5) is fixedly connected to the surface of the assembly table (1). A fourth motor (501) is fixedly connected to the side wall of the fourth support frame (5). A second lead screw (502) is fixedly connected to the output end of the fourth motor (501). A third movable plate (503) is threaded to the outer wall of the second lead screw (502), and a guide rail (506) is fixedly connected to the surface of the fourth support frame (5). The third movable plate (503) is slidably connected to the guide rail (506). A fifth electric push rod (504) is fixedly connected to the surface of the third moving plate (503), and a second mechanical gripper (505) is fixedly connected to the output end of the fifth electric push rod (504).

7. The PCB board assembly and welding equipment according to claim 2, characterized in that, The surface of the assembly table (1) is fixedly connected to a second vibrating plate (6) and a fifth support frame (602). The output end of the second vibrating plate (6) is fixedly connected to a second concave plate (601), and the second concave plate (601) is fixedly connected to the fifth support frame (602). The fifth support frame (602) is fixedly connected to a third cylinder (603), the output end of the third cylinder (603) is fixedly connected to a fourth moving plate (604), and the surface of the fourth moving plate (604) is fixedly connected to a third concave plate (605). The assembly table (1) is fixedly connected to a transfer mechanism, which is used to transfer the heat sink inside the second vibrating plate (6).

8. The PCB board assembly and welding equipment according to claim 7, characterized in that, The transfer mechanism includes a sixth support frame (7) fixedly connected to the surface of the assembly table (1), a fifth motor (701) fixedly connected to the surface of the sixth support frame (7), a third lead screw (702) fixedly connected to the output end of the fifth motor (701), and a fifth moving plate (703) threadedly connected to the outer wall of the third lead screw (702). The fifth movable plate (703) has a third sliding groove (704) on its surface. The fifth movable plate (703) is slidably connected in the third sliding groove (704). A fourth electric push rod (705) is fixedly connected to the side wall of the fifth movable plate (703). A sixth movable plate (706) is fixedly connected to the output end of the fourth electric push rod (705). A fourth cylinder (707) is fixedly connected to the surface of the sixth movable plate (706). A third mechanical gripper (708) is fixedly connected to the output end of the fourth cylinder (707).

9. A method for assembling and soldering a PCB board, using the PCB board assembly and soldering equipment according to any one of claims 1-8, characterized in that, The operation steps are as follows: Step 1: Place the heatsink on the surface of the PCB board to be assembled; Step 2: Sort the screws and automatically fix the heatsink to the PCB board surface with the screws; Step 3: Solder the PCB board, and then use an automatic lead trimming machine to trim the leads after soldering. Step 4: Perform the dispensing operation using an automatic dispensing machine; Step 5: Perform electrical performance tests using an automated testing system.

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