A connector installation method applied to a flexible circuit board

Abstract

The present invention provides a connector installation method for a flexible circuit board, which is realized by an assembly device. The specific steps include: (1) placing a first circuit board on a first workbench, and the connection terminals of the first circuit board extend out of the placement table; (2) placing a second circuit board on a second workbench; (3) the flipping device drives the second circuit board to flip onto the first workbench so that the first circuit board and the second circuit board correspond to each other; (4) the thimble device extends between the first circuit board and the second circuit board and abuts against the connection terminals of the first circuit board and the second circuit board; (5) placing a connector on the assembly mechanism; (6) the assembly mechanism drives the connector to move towards the placement table and slews the connector on the connection terminals of the first circuit board and the second circuit board; (7) the flipping device and the thimble device are reset; the installation of the circuit board connector is completed.

Description

Technical Field

[0001] The present invention relates to the technical field of flexible circuit boards, and particularly relates to a connector installation method applied to flexible circuit boards. Background Art

[0002] In existing flexible circuit boards, if multiple circuit boards need to be installed in the same device, connectors are usually used to connect the terminals of two or more circuit boards, which facilitates subsequent installation of the circuit boards without confusion and makes the installation more convenient. In the prior art, a patent document with Chinese patent application number 202320626781.X and publication date December 15, 2023 discloses an electrical connector housing and an electrical connector. An electrical connector housing includes: a first housing part and a second housing part independent of the first housing part, and at least one of the first housing part and the second housing part defines a receiving groove for receiving a plurality of connection terminals and a circuit board; wherein, the first housing part and the second housing part are assembled together by sliding relative to each other.

[0003] However, for the connectors in such documents, the connection terminals of the circuit board are usually inserted into the connector to achieve connection. However, during the assembly process, whether the connection terminals are inserted into the connector or the connector is sleeved on the connection terminals, the problem of mutual collision needs to be considered when the connector and the connection terminals approach. If there is no limit, it is easy for the connector to touch the connection terminals, resulting in misalignment of the circuit board. In this way, it is difficult to install the connector and the connection terminals, reducing the assembly efficiency. Summary of the Invention

[0004] The present invention provides a connector installation method applied to flexible circuit boards, which can fix the connection terminals of the circuit board, so that the installation of the connector is stable and not easily misaligned.

[0005] To achieve the above object, the technical solution of the present invention is: a connector installation method applied to flexible circuit boards, realized through an assembly device, the assembly device includes a frame, on the frame there is a first workbench for placing a first circuit board, on the frame on one side of the first workbench there is a flipping device, on the flipping device there is a second workbench for placing a second circuit board, on the frame on the other side of the first workbench there is a thimble device, and on the frame at the front end of the first workbench there is an assembly mechanism, and the assembly mechanism installs a connector on the connection terminals of the first circuit board and the second circuit board; at the front end of the first workbench there is a placement table for placing the first circuit board, and the connection terminals of the first circuit board extend out of the placement table;

[0006] The specific steps include:

[0007] (1)Place the first circuit board on the first workbench, and the connection terminals of the first circuit board extend out of the placement table.

[0008] (2)Place the second circuit board on the second workbench.

[0009] (3)The flipping device drives the second circuit board to flip onto the first workbench so that the first circuit board and the second circuit board correspond to each other.

[0010] (4)The ejector pin device extends from the side of the first circuit board and the second circuit board between the first circuit board and the second circuit board and abuts against the connection terminals of the first circuit board and the second circuit board so that there is a gap between the first circuit board and the second circuit board.

[0011] (5)Place the connector on the assembling mechanism.

[0012] (6)The assembling mechanism drives the connector to move in the direction of the placement table and slews the connector on the connection terminals of the first circuit board and the second circuit board.

[0013] (7)The flipping device and the ejector pin device are reset; the installation of the circuit board connector is completed.

[0014] In the above structure, by providing the first workbench for placing the first circuit board and the second workbench for placing the second circuit board, thus, when installing the circuit board, by first placing the first circuit board on the first workbench and the second circuit board on the second workbench, thus, by the flipping device, the second circuit board is flipped so that the second circuit board can be flipped above the first circuit board, thereby facilitating the installation of the connector on the connection terminals of the first circuit board and the second circuit board. At the same time, by providing the ejector pin device, by extending the ejector pin device from one side of the first circuit board and the second circuit board between the first circuit board and the second circuit board, thus, there is a certain gap between the first circuit board and the second circuit board, facilitating the slewing of the connector onto the first circuit board and the second circuit board and the connection of the connection terminals on the first circuit board and the second circuit board to the connector respectively, and by the ejector pin device abutting against the connection terminals of the first circuit board and the second circuit board, so that when assembling the connector, the connection terminals of the first circuit board and the second circuit board will not be pushed by the connector, thus making the installation of the connector stable and not easily misaligned.

[0015] Further, a card slot is provided at the front end of the placement table, the connection terminal of the first circuit board is clamped in the card slot, and the connection terminal of the first circuit board extends out of the card slot, the connection terminal of the second circuit board corresponds to the connection terminal of the first circuit board, and the connector is slewed on the connection terminal of the first circuit board extending out of the card slot and the connection terminal of the second circuit board to realize the connection of the first circuit board and the second circuit board.

[0016] With the above settings, the connection terminals of the first circuit board can be easily positioned through the card slot setting, facilitating the accuracy of the position during the installation of the connector.

[0017] Furthermore, the flipping device includes a flipping base, a flipping motor, and a flipping connecting plate. The flipping base is arranged on the frame. A flipping motor is provided on the flipping base. A flipping connecting plate is provided on the driving shaft of the flipping motor. One end of the second workbench is connected to the flipping connecting plate. A flipping support bracket is provided on the frame at the other end of the second workbench. A flipping second motor is provided on the flipping support bracket. The second workbench is arranged on the flipping second motor through a flipping support plate. A placement groove for placing the second circuit board is provided on the second workbench. The connection terminals of the second circuit board extend out of the second workbench. The flipping motor drives the second circuit board to flip above the first circuit board.

[0018] With the above settings, the second workbench is flipped by the flipping motor and the flipping second motor, so as to ensure that the second circuit board placed on the second workbench can be flipped and placed on the first circuit board, so that the connection terminals on the first circuit board and the connection terminals on the second circuit board can be aligned, facilitating the subsequent connection of the connectors.

[0019] Furthermore, the thimble device includes a thimble, a lifting module, a thimble base, a thimble substrate, a thimble driving cylinder, a thimble slide plate, and a thimble guide rail. The thimble base is arranged on the frame. A thimble guide rail is provided on the thimble base. The thimble substrate is arranged on the thimble guide rail through the thimble slide plate. A thimble fixing plate is provided on the thimble base. The thimble driving cylinder is arranged on the thimble substrate. The piston rod of the thimble driving cylinder is connected to the thimble fixing plate. A thimble lifting module is provided on the thimble substrate. Thimbles corresponding to the connection terminals of the first circuit board and the second circuit board are provided on the thimble lifting module. The thimble lifting module drives the thimbles to lift to the position corresponding to between the first circuit board and the second circuit board. The thimble driving cylinder drives the thimbles to extend into the space between the first circuit board and the second circuit board.

[0020] With the above settings, the piston rod is driven to extend by the thimble driving cylinder, and then the thimble substrate is pushed by the reaction force of the piston rod, so that the thimble lifting module can move between the first circuit board and the second circuit board, and the thimbles are driven by the thimble lifting module to lift to the position corresponding to between the first circuit board and the second circuit board, facilitating the thimble driving cylinder to push the thimbles into the space between the first circuit board and the second circuit board.

[0021] Further, the assembly mechanism includes an assembly linear motor, an assembly base, an assembly guide rail, an assembly slider, an assembly substrate, and a connector placement plate. The assembly linear motor is arranged on the frame. An assembly base is provided on the drive shaft of the assembly linear motor. The assembly guide rail is arranged on the frame on one side of the assembly linear motor through a guide rail mounting seat. The assembly substrate is slidably arranged on the assembly guide rail through the assembly slider. An assembly limit member is provided on the assembly base. The assembly limit member is connected to the assembly substrate. A connector placement plate is provided on the assembly substrate. A connector is arranged in the connector placement plate. The assembly linear motor drives the connector placement plate to move towards the placement table and slews the connector on the connection terminals of the first circuit board and the second circuit board.

[0022] With the above settings, the assembly linear motor drives the assembly base to move, so that the connector placement plate moves towards the placement table, thereby realizing slewing and installing the connector on the connection terminals of the first circuit board and the second circuit board.

[0023] Further, a connector fixing assembly is also provided on the assembly substrate. The connector fixing assembly includes a connector fixing cylinder and a connector fixing block. The connector fixing block is arranged on the piston rod of the connector fixing cylinder and is located above the connector placement plate. The cylinder body of the connector fixing cylinder is installed on the assembly substrate.

[0024] Step (5) further includes: placing an open connector on the assembly mechanism;

[0025] Step (6) specifically further includes:

[0026] (61) After the connector is slewed on the connection terminals of the first circuit board and the second circuit board; the connector fixing cylinder drives the connector fixing block to move downward to press the connector, so that the connector is closed to realize connector fixing.

[0027] With the above settings, the connector fixing cylinder drives the connector fixing block to move downward and press the connector, so that the connector is closed to realize the fixing of the connector.

[0028] Further, the assembly limit member is a travel switch. The detection member of the travel switch is arranged on the assembly base. A trigger member of the travel switch is provided on the assembly substrate. The trigger member is connected to the detection member.

[0029] With the above settings, by setting the travel switch, when the connector is installed, when the limit distance of the travel switch is reached, the assembly linear motor is controlled to stop, preventing the connector from moving too much and causing damage to the circuit board.

[0030] Further, an ejection assembly is provided on the assembly substrate below the connector placement board. The ejection assembly includes an ejection cylinder and an ejection plate. A through groove is provided on the connector placement board, penetrating from the top end to the bottom end of the connector placement board. The ejection cylinder is arranged on the assembly substrate, and an ejection plate is provided on the piston rod of the ejection cylinder. The ejection plate is located in the through groove, and the ejection cylinder drives the ejection plate to move upward through the through groove to eject the connector away from the connector placement board.

[0031] With the above settings, the ejection cylinder drives the ejection plate to move upward to eject the connector, thereby facilitating the removal of the assembled circuit board and facilitating the assembly of the next circuit board. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] Figure 1 It is a simple schematic diagram of the assembly device of the present invention.

[0033] Figure 2 It is a flowchart of the operation of the present invention.

[0034] Figure 3 It is a schematic diagram of the structure of the placement table of the present invention.

[0035] Figure 4 It is a schematic diagram of the structure of the flipping device of the present invention.

[0036] Figure 5 It is an exploded schematic diagram of the ejector pin device of the present invention.

[0037] Figure 6 It is an exploded schematic diagram of the assembly mechanism of the present invention.

[0038] Figure 7 is Figure 6 an enlarged view of part B in

[0039] Figure 8 It is a schematic diagram of the structure of the ejector pin in the present invention.

[0040] Figure 9 It is a schematic diagram of the structure of the connector in an embodiment of the present invention.

[0041] Description of the attached reference numerals: 03 - Connector; 1 - Rack; 11 - First workbench; 12 - Second workbench; 13 - Placing table; 131 - Card slot; 2 - Flipping device; 21 - Flipping base; 22 - Flipping motor; 23 - Flipping connecting plate 23; 24 - Flipping supporting bracket; 25 - Second flipping motor; 26 - Flipping supporting plate; 27 - Placing groove; 28 - Positioning block; 3 - Thimble device; 31 - Thimble; 311 - Thimble part; 32 - Lifting module for thimble; 321 - Thimble lifting cylinder; 322 - Thimble lifting base plate; 323 - Thimble lifting guide rail; 324 - Thimble lifting slider; 33 - Thimble base; 34 - Thimble base plate; 35 - Thimble driving cylinder; 36 - Thimble slide plate; 37 - Thimble guide rail; 38 - Thimble fixing plate; 39 - Thimble adjusting assembly; 391 - Thimble adjusting cylinder; 392 - Thimble adjusting plate; 40 - Bending section; 4 - Bending device; 41 - Bending base; 42 - Bending guide rail; 43 - Bending slider; 44 - Bending plate; 45 - Bending cylinder; 50 - Connector placing plate; 5 - Assembly mechanism; 51 - Assembly linear motor; 52 - Assembly base; 53 - Assembly guide rail; 54 - Assembly slider; 55 - Assembly base plate 55; 56 - Assembly limiting component; 561 - Detection part; 562 - Trigger part; 57 - Connector fixing assembly; 571 - Connector fixing cylinder; 572 - Connector fixing block; 58 - Ejecting component; 581 - Ejecting cylinder; 582 - Ejecting plate. Detailed implementation manners

[0042] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific implementation manners.

[0043] As Figure 1 and Figure 9 shown; An assembly device includes a rack 1. On the rack 1, there is a first workbench 11 for placing a first circuit board (not shown in the figure). On the rack 1 on one side of the first workbench 11, there is a flipping device 2. On the flipping device 2, there is a second workbench 12 for placing a second circuit board (not shown in the figure). The flipping device 2 drives the second workbench 12 to flip onto the first workbench 11 so that the first circuit board and the second circuit board correspond to each other. On the rack 1 on the other side of the first workbench 11, there is a thimble device 3. The thimble device 3 extends between the first circuit board and the second circuit board and abuts against the connection terminals of the first circuit board and the second circuit board, and a gap is formed between the first circuit board and the second circuit board through the thimble device 3. On the rack 1 at the front end of the first workbench 11, there is an assembly mechanism 5. The assembly mechanism 5 installs the connector 03 on the connection terminals of the first circuit board and the second circuit board. At the front end of the first workbench 11, there is a placing table 13 for placing the first circuit board, and the connection terminals of the first circuit board extend out of the placing table 13.

[0044] As Figure 3As shown in the figure, a card slot 131 is provided at the front end of the placement table 13. The connection terminals of the first circuit board are clamped on the card slot 131, and the connection terminals of the first circuit board extend out of the card slot. In this embodiment, a part of the connection terminals of the first circuit board is clamped on the card slot 131, and the other part of the connection terminals of the first circuit board extends out of the card slot. The connection terminals of the second circuit board correspond to the connection terminals of the first circuit board. The connector 03 is sleeved on the connection terminals of the first circuit board and the second circuit board that extend out of the card slot to realize the connection between the first circuit board and the second circuit board. The setting of the card slot 131 facilitates the positioning of the connection terminals of the first circuit board and the accuracy of the position during the installation of the connector 03.

[0045] As Figure 4 shown in the figure, the flipping device 2 includes a flipping base 21, a flipping motor 22, and a flipping connection plate 23. The flipping base 21 is arranged on the frame 1. A flipping motor 22 is provided on the flipping base 21. A flipping connection plate 23 is provided on the driving shaft of the flipping motor 22. One end of the second workbench 12 is connected to the flipping connection plate 23. A flipping support bracket 24 is provided on the frame 1 at the other end of the second workbench 12. A flipping second motor 25 is provided on the flipping support bracket 24. The second workbench 12 is arranged on the flipping second motor 25 through a flipping support plate 26. A placement slot 27 for placing the second circuit board is provided on the second workbench 12. The connection terminals of the second circuit board extend out of the second workbench 12. The flipping motor 22 drives the second circuit board to flip above the first circuit board. By flipping the second workbench with the flipping motor 22 and the flipping second motor 25, it is ensured that the second circuit board placed on the second workbench 12 can be flipped and placed on the first circuit board. In this embodiment, the second circuit board is embedded in the placement slot 27. The function of the placement slot 27 prevents the second circuit board from detaching from the second workbench 12 due to gravity during the flipping process.

[0046] In this embodiment, one or more positioning blocks 28 are further provided on the second workbench 12 on both sides of the placement. The setting of the positioning blocks 28 facilitates the placement of the second circuit board in the placement slot.

[0047] As Figure 5As shown, the thimble device 3 includes a thimble 31, a lifting and ascending module 32, a thimble base 33, a thimble substrate 34, a thimble driving cylinder 35, a thimble slide plate 36 and a thimble guide rail 37. The thimble base 33 is arranged on the frame 1. A thimble guide rail 37 is provided on the thimble base 33. The thimble substrate 34 is arranged on the thimble guide rail 37 through the thimble slide plate 36. A thimble fixing plate 38 is provided on the thimble base 33. The thimble driving cylinder 35 is arranged on the thimble substrate 34. The piston rod of the thimble driving cylinder 35 is connected to the thimble fixing plate 38. A thimble lifting module 32 is provided on the thimble substrate 34. A thimble 31 corresponding to the connection terminals of the first circuit board and the second circuit board is provided on the thimble lifting module 32. The thimble lifting module 32 drives the thimble 31 to lift to a position corresponding to between the first circuit board and the second circuit board. The thimble driving cylinder 35 drives the thimble 31 to extend between the first circuit board and the second circuit board. By driving the piston rod of the thimble driving cylinder 35 to extend, the reaction force of the piston rod is used to make the thimble slide plate 36 slide on the thimble slide rail 37, thereby pushing the thimble substrate 34, so that the thimble lifting module 32 can move forward between the first circuit board and the second circuit board. And the thimble lifting module 32 drives the thimble 31 to lift to a position corresponding to between the first circuit board and the second circuit board, so as to facilitate the thimble driving cylinder 35 to push the thimble 31 between the first circuit board and the second circuit board. The thimble lifting module 32 includes a thimble lifting cylinder 321, a thimble lifting substrate 322, a thimble lifting guide rail 323 and a thimble lifting slider 324. The thimble lifting guide rail 323 is arranged on the thimble substrate 34 through the thimble lifting substrate 322. A thimble lifting cylinder 321 is provided on the thimble lifting substrate 322. The thimble lifting slider 324 is arranged on the thimble lifting guide rail 323 and is connected to the piston rod of the thimble lifting cylinder 321. A thimble adjusting assembly 39 is provided on the thimble lifting slider 324. The thimble adjusting assembly 39 includes a thimble adjusting cylinder 391 and a thimble adjusting plate 392. The thimble adjusting cylinder 391 is arranged on the thimble lifting slider 324. A thimble adjusting plate 392 is provided on the piston rod of the thimble adjusting cylinder 391. The thimble 31 is located on the thimble adjusting plate 392. Through the setting of the thimble adjusting assembly 39, after the thimble driving cylinder 35 pushes the thimble 31 between the first circuit board and the second circuit board, the thimble adjusting cylinder 391 drives the thimble 31 to move towards the connection terminals of the first circuit board and the second circuit board, so that the thimble 31 can abut against the connection terminals of the first circuit board and the second circuit board.

[0048] In this embodiment, as Figure 8As shown, the ejector pin 31 includes more than one ejector pin part 311. The number of the ejector pin parts 311 corresponds to the connection terminals of the second circuit board. After the ejector pin 31 extends between the first circuit board and the second circuit board, the ejector pin adjusting cylinder 391 drives the ejector pin 31 to abut against the connection terminals of the second circuit board. At this time, the ejector pin parts 311 are in contact with the connection terminals of the second circuit board so that the ejector pin can abut against the connection terminals of the second circuit board.

[0049] As Figure 6 - Figure 7 As shown, the assembling mechanism 5 includes an assembling linear motor 51, an assembling base 52, an assembling guide rail 53, an assembling slider 54, an assembling substrate 55 and a connector placing plate 50. The assembling linear motor 51 is arranged on the frame 1. An assembling base 52 is provided on the driving shaft of the assembling linear motor 51. The assembling guide rail 53 is arranged on the frame 1 on one side of the assembling linear motor 51 through a guide rail mounting seat 531. The assembling substrate 55 is slidably arranged on the assembling guide rail 53 through the assembling slider 54. An assembling limiting component 56 is provided on the assembling base 52. The assembling limiting component 56 is connected to the assembling substrate 55. The assembling limiting component 56 is a travel switch. A detecting part 561 of the travel switch is arranged on the assembling base 52. A triggering part 562 of the travel switch is provided on the assembling substrate 55. The triggering part 562 is connected to the detecting part 561. By providing the travel switch, when the connector 03 is installed, when the limiting distance of the travel switch is reached, the assembling linear motor 51 is controlled to stop, preventing the connector 03 from moving too much and causing damage to the circuit board. A connector placing plate 50 is provided on the assembling substrate 55. The connector 03 is arranged in the connector placing plate 50. The assembling linear motor 51 drives the connector placing plate 50 to move towards the placing table 13 and slews the connector 03 on the connection terminals of the first circuit board and the second circuit board. By driving the assembling base 52 to move through the assembling linear motor 51, the connector placing plate 50 is moved towards the placing table 13, thereby realizing slewing and installing the connector 03 on the connection terminals of the first circuit board and the second circuit board.

[0050] As Figure 6 As shown, a connector fixing assembly 57 is further provided on the assembling substrate 55. The connector fixing assembly 57 includes a connector fixing cylinder 571 and a connector fixing block 572. The connector fixing block 572 is arranged on the piston rod of the connector fixing cylinder 571 and is located above the connector placing plate 50. The cylinder body of the connector fixing cylinder 571 is installed on the assembling substrate 55. The connector fixing cylinder 571 drives the connector fixing block 572 to move downwards and presses the connector 03. By driving the connector fixing block 572 to move downwards and press the connector 03 through the connector fixing cylinder 571, the connector 03 is closed to realize the fixing of the connector 03.

[0051] As Figure 6and Figure 7 As shown in Figure 7 , an ejection assembly 58 is provided on the assembly substrate 55 below the connector placement board 50. The ejection assembly 58 includes an ejection cylinder 581 and an ejection plate 582. A through groove 501 is provided on the connector placement board 50, penetrating from the top end to the bottom end of the connector placement board 50. The ejection cylinder 581 is disposed on the assembly substrate 55, and an ejection plate 582 is provided on the piston rod of the ejection cylinder 581. The ejection plate 582 is located within the through groove 501. The ejection cylinder 581 drives the ejection plate 582 to move upward through the through groove 501 to eject the connector 03 from the connector placement board 50. By driving the ejection plate to move upward through the ejection cylinder 581 to eject the connector, it is convenient to take out the assembled circuit board and facilitate the assembly of the next circuit board.

[0052] As Figure 2 shown, a connector installation method for a flexible circuit board specifically includes the following steps:

[0053] (1) Place the first circuit board on the first workbench 11, and the connection terminals of the first circuit board extend out of the placement table.

[0054] (2) Place the second circuit board on the second workbench 12.

[0055] (3) The flipping device 2 drives the second circuit board to flip onto the first workbench 11 so that the first circuit board and the second circuit board correspond to each other.

[0056] (4) The ejector pin device 3 extends from the side of the first circuit board and the second circuit board into the space between the first circuit board and the second circuit board and abuts against the connection terminals of the first circuit board and the second circuit board, forming a gap between the first circuit board and the second circuit board.

[0057] (5) Place the connector on the assembly mechanism 5. In this embodiment, the connector placed on the assembly mechanism 5 is an open connector, that is, a connector before the upper end and the lower end are fixed.

[0058] (6) The assembly mechanism 5 drives the connector to move towards the placement table and sleuth the connector onto the connection terminals of the first circuit board and the second circuit board.

[0059] (61) After the connector is sleuthed onto the connection terminals of the first circuit board and the second circuit board; the connector fixing cylinder 571 drives the connector fixing block 572 to move downward to press the connector, so that the connector is closed to achieve connector fixing.

[0060] (7) The flipping device 2 and the ejector pin device 3 are reset; the installation of the circuit board connector is completed, and the circuit board with the installation completed is taken away.

[0061] (8) Repeat steps (1) - (7) to achieve cyclic processing.

[0062] Working principle of the present invention: By providing a first workbench 11 for placing the first circuit board and a second workbench 12 for placing the second circuit board, it is thus enabled that when installing the circuit board, by first placing the first circuit board on the first workbench 11 and the second circuit board on the second workbench 12, and then, by means of the flipping device 2, flipping the second circuit board so that the second circuit board can be flipped above the first circuit board, thereby facilitating the installation of the connection terminals of the first circuit board and the second circuit board by the connector 03. At the same time, by providing the thimble device 3, by inserting the thimble device 3 from one side of the first circuit board and the second circuit board into the space between the first circuit board and the second circuit board, a certain gap is thus formed between the first circuit board and the second circuit board, facilitating the sleeving of the connector 03 onto the first circuit board and the second circuit board and enabling the connection terminals on the first circuit board and the second circuit board to be respectively connected to the connector. Moreover, by the thimble device 3 abutting against the connection terminals of the first circuit board and the second circuit board, when assembling the connector 03, the connection terminals of the first circuit board and the second circuit board will not be pushed by the connector 03, thus making the installation of the connector 03 stable and not easily misaligned.

Claims

1. A connector installation method for a flexible circuit board, implemented by an assembly device, characterized in that: The assembly equipment includes a frame, a first workbench for placing a first circuit board is provided on the frame, a flip device is provided on the frame on one side of the first workbench, a second workbench for placing a second circuit board is provided on the flip device, a pin device is provided on the frame on the other side of the first workbench, an assembly mechanism is provided on the frame at the front end of the first workbench, and the assembly mechanism installs the connector on the connection terminals of the first circuit board and the second circuit board; a placement table for placing the first circuit board is provided at the front end of the first workbench, and the connection terminals of the first circuit board extend out of the placement table; A card slot is provided at the front end of the placement table, the connection terminal of the first circuit board is carded on the card slot, and the connection terminal of the first circuit board is extended out of the card slot, the connection terminal of the second circuit board corresponds to the connection terminal of the first circuit board, and the connector is sleeved on the connection terminal of the first circuit board and the connection terminal of the second circuit board extending out of the card slot to realize the connection between the first circuit board and the second circuit board; A placement groove for placing the second circuit board is provided on the second workbench, and the second circuit board is embedded in the placement groove; The ejector device comprises an ejector, an ejector lifting module, an ejector base, an ejector substrate, an ejector drive cylinder, an ejector slide plate and an ejector guide rail, wherein the ejector base is arranged on a frame, an ejector guide rail is arranged on the ejector base, the ejector substrate is arranged on the ejector guide rail through the ejector slide plate, an ejector fixing plate is arranged on the ejector base, the ejector drive cylinder is arranged on the ejector substrate, a piston rod of the ejector drive cylinder is connected to the ejector fixing plate, an ejector lifting module is arranged on the ejector substrate, and an ejector corresponding to the connection terminal of the first circuit board and the second circuit board is arranged on the ejector lifting module; The ejector includes more than one ejector part, the number of which corresponds to the connection terminal of the second circuit board. After the ejector is inserted between the first circuit board and the second circuit board, the ejector adjusting cylinder drives the ejector to abut against the connection terminal of the second circuit board; The specific steps include: (1) placing a first circuit board on a first workbench, with the connection terminals of the first circuit board extending out of the placement table; (2) placing the second circuit board on the second workbench; (3) The flipping device drives the second circuit board to flip onto the first workbench so that the first circuit board corresponds to the second circuit board; (4) The ejector device extends from the side of the first circuit board and the second circuit board into between the first circuit board and the second circuit board and abuts against the connecting terminals of the first circuit board and the second circuit board so that a gap is formed between the first circuit board and the second circuit board; (5) Placing a connector on the assembly mechanism; (6) The assembly mechanism drives the connector to move toward the placement table and sleeves the connector onto the connection terminals of the first circuit board and the second circuit board; (7) Reset the flip device and ejector device; complete the installation of the circuit board connector.

2. A connector installation method for a flexible circuit board according to claim 1, characterized in that: The flipping device comprises a flipping base, a flipping motor and a flipping connecting plate, wherein the flipping base is arranged on a frame, a flipping motor is arranged on the flipping base, a flipping connecting plate is arranged on a driving shaft of the flipping motor, one end of the second workbench is connected to the flipping connecting plate, a flipping support frame is arranged on the frame at the other end of the second workbench, a flipping second motor is arranged on the flipping support frame, the second workbench is arranged on the flipping second motor via the flipping support plate, and a connecting terminal of the second circuit board extends out of the second workbench, and step (3) specifically comprises driving the flipping motor to flip the second circuit board to above the first circuit board.

3. The connector installation method for a flexible circuit board according to claim 1, characterized in that: Step (4) specifically includes the ejector lifting module driving the ejector to rise and fall to a position corresponding to between the first circuit board and the second circuit board, and the ejector driving cylinder driving the ejector to extend between the first circuit board and the second circuit board.

4. The method for installing a connector on a flexible circuit board according to claim 1, characterized in that: The assembly mechanism comprises an assembly linear motor, an assembly base, an assembly guide rail, an assembly slider, an assembly substrate and a connector placement plate, wherein the assembly linear motor is arranged on a frame, an assembly base is arranged on a driving shaft of the assembly linear motor, the assembly guide rail is arranged on the frame on one side of the assembly linear motor through a guide rail mounting seat, the assembly substrate is slidably arranged on the assembly guide rail through an assembly slider, an assembly limiting component is arranged on the assembly base, the assembly limiting component is connected to the assembly substrate, a connector placement plate is arranged on the assembly substrate, and a connector is arranged in the connector placement plate, and step (6) specifically comprises the assembly linear motor driving the connector placement plate to move in the direction of the placement table and sleeve the connector on the connection terminals of the first circuit board and the second circuit board.

5. A connector installation method for a flexible circuit board according to claim 4, characterized in that: A connector fixing assembly is also provided on the assembly substrate, the connector fixing assembly comprising a connector fixing cylinder and a connector fixing block, the connector fixing block being arranged on a piston rod of the connector fixing cylinder and being located above the connector placement plate, the cylinder body of the connector fixing cylinder being installed on the assembly substrate, step (5) further comprising: placing an opened connector on the assembly mechanism; step (6) specifically further comprising: (61) After the connector is sleeved onto the connection terminals of the first circuit board and the second circuit board, the connector fixing cylinder drives the connector fixing block to move downward to press the connector, so that the connector is closed and the connector is fixed.

6. A connector installation method for a flexible printed circuit board according to claim 4, characterized in that: The assembly limit component is a travel switch, a detection component of the travel switch is arranged on the assembly base, a trigger component of the travel switch is arranged on the assembly substrate, and the trigger component is connected to the detection component.

7. A connector installation method for a flexible printed circuit board according to claim 4, characterized in that: An ejector assembly is provided on the assembly substrate below the connector placement plate, the ejector assembly comprising an ejector cylinder and an ejector plate, a through slot extending from the top end to the bottom end of the connector placement plate is provided on the connector placement plate, the ejector cylinder is arranged on the assembly substrate, an ejector plate is provided on the piston rod of the ejector cylinder, the ejector plate is located in the through slot, and after step (6), the ejector cylinder drives the ejector plate to move upward through the through slot to eject the connector from the connector placement plate.

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