Terminal crimping module

Abstract

The utility model discloses a terminal crimping module group. Comprising a first Y-axis movement module, an upper die assembly and a lower die assembly which are arranged on the first Y-axis movement module and are used for cooperatively punching a terminal, and a punching driving device which is arranged on the first Y-axis movement module and is used for driving the lower die assembly to upwards punch the terminal, the light supplementing module is arranged on the side edge of the first Y-axis movement module in a sliding manner; and the visual detection device is arranged above the light supplementing module and is used for detecting the FFC. A visual detection device is adopted to move along with a first X-axis movement module and a first Y-axis movement module to photograph and detect the FFC, a light supplement lamp module is utilized to supplement light to the FFC, so that the accurate position of the FFC is obtained, then the first X-axis movement module and a second Y-axis movement module are matched to move an upper mold assembly and a lower mold assembly to the upper side and the lower side of the FFC, and the FFC is subjected to light supplement to obtain the accurate position of the FFC. The stamping driving device pushes the lower die assembly to ascend to fix the terminal on the FFC in a stamping mode, and therefore the terminal and the FFC are fixed together in a stamping mode.

Description

Technical fields:

[0001] This utility model relates to the field of automatic terminal crimping and counting, and specifically refers to a terminal crimping module. Background technology:

[0002] FFC (Flexible Flat Cable) is a new type of data cable made of PET insulation and extremely thin tinned flat copper wire, pressed together using high-tech automated production lines. It boasts advantages such as flexibility, easy bending and folding, thinness, small size, simple connection, convenient disassembly, and easy electromagnetic interference (EMI) shielding. This type of cable is primarily suitable for connections between moving parts and the motherboard inside a computer host, between boards (PCB to PCB), and for miniaturization. Currently, many printer printhead and computer motherboard connections, audio transmission lines, LCD display cables, video driver cables, internal computer host cables, plotter cables, signal transmission technology products, and board-to-board connections largely utilize this type of FFC ribbon cable.

[0003] An FFC crimping machine is a highly efficient and automated device specifically designed for the termination of FFC (Flexible Flat Cable) cables. Through precision molds and a pressure control system, it accurately crimps metal terminals onto the conductors of FFC cables to form a stable electrical connection. For example, Chinese utility model patent CN 217182614 U discloses an FFC crimping machine, including a frame and an FFC wire feeding mechanism, an automatic wire straightening mechanism, an FFC wire automatic punching module, a first CCD detection device, a first automatic translation mechanism, an FFC conductor automatic crimping mechanism, a second CCD detection device, a second automatic translation mechanism, an automatic crimping mechanism, and an automatic material transfer mechanism, all mounted on the frame. The FFC wire automatic punching module has a horizontally extending wire separating blade and a vertically extending cutting blade. The wire separating blade is used to cut adjacent conductors of the FFC wire, and the cutting blade is used to cut the FFC wire to a set length. The first CCD detection device is set corresponding to the FFC wire automatic punching module to detect the position of the FFC wire relative to the FFC wire automatic punching module before punching. By setting the FFC wire automatic punching module, wire cutting, wire separating, and positioning can be achieved in one step, which reduces errors, improves efficiency, and simplifies the mechanism on the equipment compared to the traditional two-step positioning.

[0004] However, the aforementioned patents still have the following shortcomings:

[0005] 1. Using traditional methods for terminal feeding is inefficient and unstable, resulting in poor crimping accuracy;

[0006] 2. The FFC line uses automatic wire feeding and cutting, which not only results in poor versatility, but also uses a gripping method for translation, which has poor positioning accuracy and is prone to producing defective products.

[0007] 3. The lack of a detection mechanism during terminal crimping makes it impossible to guarantee accurate connection between the terminal and the FFC line.

[0008] In view of the above, the inventors propose the following technical solution. Utility Model Content:

[0009] The purpose of this utility model is to overcome the shortcomings of the prior art and provide a terminal crimping module.

[0010] To solve the above-mentioned technical problems, the present invention adopts the following technical solution: a terminal crimping module, comprising: a first Y-axis motion module, an upper die assembly and a lower die assembly disposed on the first Y-axis motion module for cooperating with the crimping of the terminal, a crimping drive device disposed on the first Y-axis motion module for driving the lower die assembly to push the terminal upward, a supplementary light module slidably disposed on the side of the first Y-axis motion module, and a visual inspection device disposed above the supplementary light module for detecting FFC lines.

[0011] Furthermore, in the above technical solution, the supplementary lighting module includes a third Y-axis motion module disposed on the side of the first Y-axis motion module and located below the visual inspection device, an upper supplementary light group and a lower supplementary light group disposed on the third Y-axis motion module and capable of moving to the upper and lower sides of the FFC line, and a transparent support plate disposed between the upper supplementary light group and the lower supplementary light group for supporting the FFC line.

[0012] Furthermore, in the above technical solution, the upper mold assembly includes a first mounting slot vertically disposed on the first Y-axis motion module, an upper mold base disposed in the first mounting slot, an upper mold disposed at the lower end of the upper mold base and cooperating with the stamping terminal, a positioning block slidably disposed in the upper mold and used to press against the positioning terminal, a fifth cylinder disposed on the upper mold base and used to push the positioning block to move up and down, a pressure sensor disposed on the top of the upper mold base, and a height measuring instrument disposed beside the positioning block.

[0013] Furthermore, in the above technical solution, the lower mold assembly includes a second mounting slot vertically disposed on the first Y-axis motion module, a lower mold base slidably disposed in the second mounting slot and capable of moving up and down, a positioning slot disposed on the lower mold base and used for positioning terminals, and a lower mold disposed beside the positioning slot base, wherein the positioning slot base and the lower mold are both detachably mounted on the lower mold base.

[0014] Furthermore, in the above technical solution, the stamping drive device includes an eccentric block disposed in the lower die base, a drive shaft that rotatably passes through the second mounting slot and is connected to the eccentric block, a second motor mounted on the first Y-axis motion module and used to drive the eccentric block to rotate, and a coupling disposed between the second motor and the drive shaft, wherein a receiving slot that docks with the eccentric block is provided on one side of the lower die base.

[0015] After adopting the above technical solution, this utility model has the following beneficial effects compared with the prior art: In this utility model, a vision inspection device moves with the first X-axis motion module and the first Y-axis motion module to first take pictures and inspect the FFC line, and uses a supplementary light module to illuminate the FFC line, thereby obtaining the accurate position of the FFC line. Then, the first X-axis motion module and the second Y-axis motion module cooperate to move the upper mold assembly and the lower mold assembly to the upper and lower sides of the FFC line. The stamping drive device pushes the lower mold assembly to rise and stamp the terminal onto the FFC line, thereby realizing the stamping and fixing of the terminal and the FFC line together. Secondly, by driving the upper mold assembly and the lower mold assembly to move in cooperation with the first X-axis motion module and the first Y-axis motion module, and after the vision inspection device obtains the position data of the FFC line, it is possible to perform terminal crimping on FCC lines of different lengths, which is more adaptable and greatly improves versatility. Attached image description:

[0016] Figure 1 This is a reference for the usage status of this utility model. Figure 1 ;

[0017] Figure 2 This is a reference for the usage status of this utility model. Figure 2 ;

[0018] Figure 3 This is a schematic diagram of the positioning and feeding module in this utility model;

[0019] Figure 4 This is a schematic diagram of the vacuum positioning device in this utility model;

[0020] Figure 5 This is a schematic diagram of the structure of this utility model. Figure 1 ;

[0021] Figure 6 This is a schematic diagram of the structure of this utility model. Figure 2 ;

[0022] Figure 7 This is a schematic diagram of the terminal feeding mechanism of this utility model. Figure 1 ;

[0023] Figure 8 This is a schematic diagram of the terminal feeding mechanism of this utility model. Figure 2 ;

[0024] Figure 9 This is a schematic diagram of the upper mold assembly in this utility model;

[0025] Figure 10 This is a schematic diagram of the internal structure of the upper mold component in this utility model;

[0026] Figure 11 This is a structural schematic diagram of the lower mold assembly in this utility model;

[0027] Figure 12 This is an exploded view of the lower mold assembly in this utility model. Detailed implementation method:

[0028] The present invention will be further described below with reference to specific embodiments and accompanying drawings.

[0029] See Figures 1 to 12 As shown, an FFC wire crimping machine includes a positioning and feeding module 1 for positioning FFC wires, a first X-axis motion module 2 disposed beside the positioning and feeding module 1 and moving parallel to it, a first Y-axis motion module 3 disposed on the first X-axis motion module 2 and perpendicular to the positioning and feeding module 1, a terminal feeding mechanism 4 disposed on the first Y-axis motion module 3 for providing terminal A, and a terminal crimping module 5 disposed on the first Y-axis motion module 3 for crimping terminal A onto FFC wire B.

[0030] The positioning and loading module 1 includes a first support frame 11, a second Y-axis motion module 12 mounted on the first support frame 11, at least one set of vacuum positioning devices 13 mounted on the second Y-axis motion module 12 for adsorbing and positioning the FFC line B, a positioning pressure plate 14 mounted above the vacuum positioning device 13 for pressing down and fixing the FFC line B, and a first cylinder 15 and a second cylinder 16 mounted on both sides of the second Y-axis motion module 12 for pushing the positioning pressure plate 14 up and down. By mounting the vacuum positioning device 13 on the second Y-axis motion module 21, the placed FFC line B is adsorbed and fixed by the vacuum positioning device 13. The first cylinder 15 and the second cylinder 16 push the positioning pressure plate 14 down to press and fix the FFC line B. Then, the second Y-axis motion module 12 pushes the FFC line B forward to extend it, so that the exposed end of the FFC line B can be pressed against the terminal A.

[0031] The vacuum positioning device 13 includes a cavity base 131 mounted on the second Y-axis motion module 12, an adsorption plate 132 mounted on the cavity base 131, a plurality of vacuum holes 133 disposed on the adsorption plate 132, a sealing ring 134 disposed between the cavity base 131 and the adsorption plate 132, a vacuum connector 135 disposed at the lower end of the cavity base 131, and a tongue plate 136 disposed at the front end of the cavity base 131 for clamping the FFC line B with the positioning pressure plate 14. The second Y-axis motion module 12 is provided with an installation space for connecting the vacuum connector 135 to the pipeline.

[0032] The positioning pressure plate 14 includes a supporting beam 141, at least one pressure block 142 suspended on the supporting beam 141, and a pad 143 disposed at the bottom of the pressure block 142. The two ends of the supporting beam 141 are provided with a first lifting block 144 and a second lifting block 145. At least one first support rod 146 is disposed between the first lifting block and the first cylinder 15, and at least one second support rod 147 is disposed between the second lifting block 145 and the second cylinder 16. The two sides of the first support frame 11 are respectively provided with a first guide block 111 and a second guide block 112 for positioning and guiding the first support rod 146 and the second support rod 147. A pad 143 is placed on the positioning pressure plate 14 to contact and press against the FFC line B. The softness of the pad 143 reduces damage to the FFC line B. The first guide block 111 and the second guide block 112 guide and position the first support rod 146 and the second support rod 147 to ensure that the pad 143 can accurately press against the FFC line B.

[0033] The second Y-axis motion module 12 includes a first Y-axis guide rail 121 and a second Y-axis guide rail 122 mounted on the first support frame 11, a first Y-axis motion seat 123 slidably mounted on the first Y-axis guide rail 121 and the second Y-axis guide rail 122 and used to support the positioning and feeding module 1, and a third cylinder 124 mounted on the first support frame 11 and used to push the first Y-axis motion seat 123 to move. The mounting space is located on the first Y-axis motion seat 123, and the two positioning and feeding modules 1 cover the mounting space.

[0034] The terminal feeding mechanism 4 includes a second support frame 41 mounted on the first Y-axis motion module 3 and connected to one side of the terminal crimping module 5; a ratchet feeding module 42 mounted on the second support frame 41 for pushing the terminal strip C to move gradually toward the terminal crimping module 5; an alignment detection device 43 mounted on the receiving end of the ratchet feeding module 42 for detecting whether the terminal A is in place; and a first sensor 44 and a second sensor 45 mounted on the feeding end of the ratchet feeding module 42 for detecting whether the position of the terminal A is correct. The second support frame 41 is provided with a guide groove 411 for positioning the terminal strip C, and the pitch of the ratchet 423 in the ratchet feeding module 42 is equal to the hole spacing of the terminal strip C. The ratchet feeding module 42 is used to push the terminal material strip C to move and feed. The ratchet 423 is matched and docked with the empty space on the terminal A to ensure stable and continuous feeding of the terminal material strip C. The alignment detection device 43 detects the empty space to determine whether the terminal A is in the correct position. The first sensor 44 and the second sensor 45 simultaneously detect both ends of the terminal A to ensure that the position of the terminal A is accurate so that the terminal A is correctly in the stamping position.

[0035] The first sensor 44 and the second sensor 45 are normally open and normally closed sensors, respectively, and are installed in parallel to facilitate simultaneous detection of both ends of terminal A.

[0036] The ratchet feeding module 42 includes a first Z-axis slide rail slider 421 vertically mounted on the second support frame 41, a first mounting plate 422 mounted on the first Z-axis slide rail slider 421, a ratchet 423 mounted below the guide groove 411 for feeding the terminal strip C, a first motor 424 mounted on the first mounting plate 422 for driving the ratchet 423 to rotate, and a fourth cylinder 425 mounted on the second support frame 41 for pushing the first mounting plate 422 to drive the ratchet 423 to contact and disengage from the terminal strip C. By movably mounting the ratchet 423 below the guide groove 411, and using the fourth cylinder 425 to push the first mounting plate 422 to drive the ratchet 423 to move up and down, the feeding of the terminal strip C can be easily controlled, ensuring stable feeding of the terminal A.

[0037] The guide groove 411 is provided with a slot 416 corresponding to the ratchet 423, and the second support frame 41 is provided with a slot 412 corresponding to the ratchet 423 on one side.

[0038] The ratchet 423 and the first motor 424 are located on opposite sides of the second support frame 41. A support sleeve 426 for supporting the ratchet 423 is fitted onto the output shaft of the first motor 424. The support sleeve 426 passes through the suspension plate 413 at the lower part of the second support frame 41, and the suspension plate 413 is provided with a stroke hole 414 for the support sleeve 426 to move up and down. The suspension plate 413 is also provided with a photoelectric sensor 427 for detecting the number of rotations of the ratchet 423, and a sensing plate 428 that can pass through the photoelectric sensor 427 is installed on the support sleeve 426.

[0039] The second support frame 41 is equipped with a limiting cover plate 415 that covers the guide groove 411. The front end of the alignment detection device 43 is also provided with a locking and releasing device 46 for controlling the movement of the terminal strip C. The locking and releasing device 46 includes a limiting block 461 disposed on the side of the guide groove 411 and a tensioning handle 462 for pressing and releasing the terminal strip C by moving the limiting block 461.

[0040] The terminal crimping module 5 includes an upper die assembly 51 and a lower die assembly 52 disposed on the first Y-axis motion module 3 for cooperating in crimping the terminal A, a crimping drive device 53 disposed on the first Y-axis motion module 3 for driving the lower die assembly 52 to push the terminal A upward, a supplementary light module 54 slidably disposed on the side of the first Y-axis motion module 3, and a visual inspection device 55 disposed above the supplementary light module 54 for detecting the FFC line B. The visual inspection device 55, moving with the first X-axis motion module 2 and the first Y-axis motion module 3, firstly takes pictures of the FFC line B for inspection, and uses the supplementary light module 54 to illuminate the FFC line B, thereby obtaining the accurate position of the FFC line B. Then, the first X-axis motion module 2 and the second Y-axis motion module 3 work together to move the upper mold assembly 51 and the lower mold assembly 52 to the upper and lower sides of the FFC line B. The stamping drive device 53 pushes the lower mold assembly 52 upward to stamp and fix the terminal A onto the FFC line B, thus achieving the stamping and fixing of the terminal A and the FFC line B together. Secondly, by driving the upper mold assembly 51 and the lower mold assembly 52 to move in cooperation with the first X-axis motion module 2 and the first Y-axis motion module 3, and after the visual inspection device 55 obtains the position data of the FFC line B, it is possible to crimp the terminal A onto FCC lines B of different lengths, which is more adaptable and greatly improves versatility.

[0041] The supplementary lighting module 54 includes a third Y-axis motion module 541 disposed on the side of the first Y-axis motion module 3 and located below the visual inspection device 55; an upper supplementary light group 542 and a lower supplementary light group 543 disposed on the third Y-axis motion module 541 and capable of moving to the upper and lower sides of the FFC line B; and a transparent support plate 544 disposed between the upper supplementary light group 542 and the lower supplementary light group 543 for supporting the FFC line B. The visual inspection device 55 is a CCD camera.

[0042] The upper mold assembly 51 includes a first mounting slot 511 vertically mounted on the first Y-axis motion module 3, an upper mold base 512 mounted within the first mounting slot 511, an upper mold 513 mounted at the lower end of the upper mold base 512 and used to press the terminal A, a positioning block 514 slidably mounted within the upper mold 513 and used to press against the positioning terminal A, a fifth cylinder 515 mounted on the upper mold base 512 and used to push the positioning block 514 up and down, a pressure sensor 516 mounted on the top of the upper mold base 512, and a height measuring instrument 517 mounted beside the positioning block 514. The pressure sensor 516, mounted above the upper mold base 512, detects the force of the lower mold assembly 52 pressing against the terminal A, preventing excessive pressure from damaging the terminal A and the FFC line B. The height measuring instrument 517 measures the distance between the lower mold assembly 52 and the upper mold assembly 51, preventing excessive pressure between the positioning block 514 and the terminal A from causing impact damage.

[0043] The lower mold assembly 52 includes a second mounting slot 521 vertically mounted on the first Y-axis motion module 3, a lower mold base 522 slidably mounted in the second mounting slot 521 and capable of moving up and down, a positioning slot 523 mounted on the lower mold base 522 and used for positioning terminal A, and a lower mold 524 mounted beside the positioning slot 523. The positioning slot 523 and the lower mold 524 are both detachably mounted on the lower mold base 522.

[0044] The stamping drive device 53 includes an eccentric block 531 disposed in the lower die base 522, a drive shaft 532 that rotatably passes through the second mounting slot 521 and is connected to the eccentric block 531, a second motor 533 mounted on the first Y-axis motion module 3 and used to drive the eccentric block 531 to rotate, and a coupling 534 disposed between the second motor 533 and the drive shaft 532. The lower die base 522 has a receiving groove 522A on one side that docks with the eccentric block 531.

[0045] The positioning block 514 and the positioning slot seat 523 cooperate to clamp and fix the terminal A, so that the upper mold 513 and the lower mold 524 can cooperate to complete the bending of the terminal A. The eccentric block 531 includes symmetrical planes and symmetrical arc surfaces. The distance between the two symmetrical arc surfaces and the drive shaft 532 is greater than the distance between the two planes and the drive shaft 532. When the second motor 533 drives the two plane parts of the eccentric block 531 to contact the upper and lower sides of the receiving groove 522A, the lower mold 524 separates from the upper mold 513. When the second motor 533 drives the two arc surfaces of the eccentric block 531 to contact the upper and lower sides of the receiving groove 522A, the upper mold 513 pushes upward to complete the stamping of the terminal A.

[0046] In summary, during operation, the terminal material strip C is installed into the terminal feeding mechanism 4, so that the empty space on terminal A aligns with the teeth of ratchet 423, and the FFC wire B is placed on the vacuum positioning device 13 of the positioning feeding module 1. Further, the second Y-axis motion module 12 in the positioning feeding module 1 pushes the vacuum positioning device 13 forward, extending the FFC wire B towards the terminal crimping module 5. Then, the first X-axis motion module 2 and the first Y-axis motion module 3 work together to drive the vision inspection device 55 of the terminal crimping module 5 to move above the FFC wire B. Further, the supplementary lighting module 54 moves to the upper and lower sides of the FFC wire B to illuminate it, and then the vision inspection device 55 takes a picture of the FFC wire B to determine its accurate position. Further, the first X-axis motion module 2 and the first Y-axis motion module 3, according to... The data from the visual inspection device 55, combined with the upper mold assembly 51 and lower mold assembly 52 of the drive terminal crimping module 5, are positioned on the upper and lower sides of the FFC line B, respectively. First, the fifth cylinder 515 pushes the positioning block 514 down to press against the terminal A for positioning. Then, the stamping drive device 53 pushes the lower mold 524 in the lower mold assembly 52 upward, and with the cooperation of the upper mold 513, the terminal A is bent and fastened onto the FFC line B, completing the crimping of the terminal A with the FFC line B. Further, with the coordinated movement of the first X-axis motion module 2 and the first Y-axis motion module 3, the lower mold 524 and the upper mold 513 are positioned sequentially on the upper and lower sides of different FFC lines B. With the cooperation of the terminal feeding mechanism 4, the terminals A are moved one by one between the lower mold 524 and the upper mold 513 to connect with the FFC line B, thereby gradually completing the continuous crimping of the terminal A with the FFC line B.

[0047] Of course, the above description is only a specific embodiment of the present utility model and is not intended to limit the scope of the present utility model. All equivalent changes or modifications made to the structure, features and principles described in the claims of the present utility model should be included in the scope of the claims of the present utility model.

Claims

1. A terminal crimping module, characterized in that, include: The first Y-axis motion module (3), the upper die assembly (51) and the lower die assembly (52) disposed on the first Y-axis motion module (3) and used to cooperate with the stamping terminal (A), the stamping drive device (53) disposed on the first Y-axis motion module (3) and used to drive the lower die assembly (52) to push the terminal (A) upward, the supplementary light module (54) slidably disposed on the side of the first Y-axis motion module (3), and the visual inspection device (55) disposed above the supplementary light module (54) and used to detect the FFC line (B).

2. The terminal crimping module according to claim 1, characterized in that: The supplementary lighting module (54) includes a third Y-axis motion module (541) disposed on the side of the first Y-axis motion module (3) and located below the visual inspection device (55), an upper supplementary lighting group (542) and a lower supplementary lighting group (543) disposed on the third Y-axis motion module (541) and capable of moving to the upper and lower sides of the FFC line (B), and a transparent support plate (544) disposed between the upper supplementary lighting group (542) and the lower supplementary lighting group (543) for supporting the FFC line (B).

3. The terminal crimping module according to claim 1, characterized in that: The upper mold assembly (51) includes a first mounting slot (511) vertically mounted on the first Y-axis motion module (3), an upper mold base (512) mounted in the first mounting slot (511), an upper mold (513) mounted at the lower end of the upper mold base (512) and cooperating with the stamping terminal (A), a positioning block (514) slidably mounted in the upper mold (513) and used to press against the positioning terminal (A), a fifth cylinder (515) mounted on the upper mold base (512) and used to push the positioning block (514) to move up and down, a pressure sensor (516) mounted on the top of the upper mold base (512), and a height measuring instrument (517) mounted next to the positioning block (514).

4. A terminal crimping module according to claim 1, characterized in that: The lower mold assembly (52) includes a second mounting slot (521) vertically mounted on the first Y-axis motion module (3), a lower mold base (522) slidably mounted in the second mounting slot (521) and capable of moving up and down, a positioning slot (523) mounted on the lower mold base (522) and used for positioning the terminal (A), and a lower mold (524) mounted on the side of the positioning slot (523). The positioning slot (523) and the lower mold (524) are both detachably mounted on the lower mold base (522).

5. A terminal crimping module according to any one of claims 1-4, characterized in that: The stamping drive device (53) includes an eccentric block (531) disposed in the lower die base (522), a drive shaft (532) that rotatably passes through the second mounting slot (521) and is connected to the eccentric block (531), a second motor (533) mounted on the first Y-axis motion module (3) and used to drive the eccentric block (531) to rotate, and a coupling (534) disposed between the second motor (533) and the drive shaft (532). The lower die base (522) has a receiving groove (522A) on one side that docks with the eccentric block (531).

Images