A terminal crimping mechanism

Abstract

The application provides a terminal crimping mechanism, which comprises a machine table, a terminal feeding mechanism, a terminal conveying mechanism, a material seat mechanism, a wire harness feeding mechanism, a crimping mechanism and a material belt cutting mechanism. The machine table comprises a base, two installation vertical plates arranged side by side on the top of the base and an installation seat arranged between the two installation vertical plates. The terminal feeding mechanism comprises a material falling guide rail. The material seat mechanism comprises a bottom die installation plate and a crimping seat. The terminal conveying mechanism comprises a feeding guide rail, a material pushing mechanism and an oil rolling mechanism. When the terminal material belt is conveyed along the feeding guide rail, the oil rolling mechanism applies lubricating oil to the terminal material belt, and the material pushing mechanism can drive the terminal material belt to be conveyed to the side of the crimping seat along the feeding guide rail. The wire harness feeding mechanism can place the wire harness on the crimping seat. The crimping mechanism can perform a crimping operation on the terminal on the crimping seat. The material belt cutting mechanism can cut the terminal waste material belt output from the crimping seat. The terminal crimping mechanism can reduce labor input, improve production efficiency, reduce production cost and ensure stable product processing quality.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of terminal production equipment, in particular to a terminal crimping mechanism. BACKGROUND

[0002] Wire harnesses are widely used in automobiles and consumer electronics. After pre-processing, the wire harnesses are subjected to terminal crimping operation to realize the connection between the wires and the connectors, facilitate the assembly of electronic devices, and ensure the reliability of signal transmission and connection between electronic devices. Currently, multiple manual processes are required to complete the terminal crimping process of the wire harness, which increases the labor input. This approach reduces production efficiency and, due to the different operation methods of each person, errors may occur during the operation process, which may affect the overall yield and quality of the wire harness. SUMMARY

[0003] The present application provides a terminal crimping mechanism that reduces labor input and improves production efficiency.

[0004] To solve the above technical problems, the present application provides a terminal crimping mechanism, which includes a machine table, a terminal feeding mechanism, a terminal conveying mechanism, a material seat mechanism, a wire harness feeding mechanism, a crimping mechanism, and a material belt cutting mechanism. The machine table includes a base, two installation vertical plates arranged side by side on the top of the base, and a mounting seat arranged between the two installation vertical plates. The terminal feeding mechanism includes a blanking guide arranged on one of the installation vertical plates. The material seat mechanism includes a bottom die mounting plate arranged on the top of the base and a crimping seat detachably connected to the bottom die mounting plate. The terminal conveying mechanism includes a feeding guide arranged on the bottom die mounting plate, a material pushing mechanism arranged on the bottom die mounting plate, and a rolling oil mechanism arranged on the feeding guide. When the terminal material belt is conveyed along the feeding guide, the rolling oil mechanism applies lubricating oil to the terminal material belt, and the material pushing mechanism can drive the terminal material belt to convey along the feeding guide to the side of the crimping seat. The wire harness feeding mechanism is arranged on the machine table and can place the wire harness on the crimping seat. The crimping mechanism is arranged on the mounting seat and can perform crimping operation on the terminals on the crimping seat. The material belt cutting mechanism is arranged on the base and can cut the terminal waste material belt output from the crimping seat.

[0005] Preferably, a material inspection assembly is arranged on the output end of the blanking guide. A first connecting plate is connected to the output end of the blanking guide. The material inspection assembly includes an arc-shaped material blocking plate rotatably connected to the first connecting plate, a first sensing plate fixedly connected to one end of the arc-shaped material blocking plate, and a first slot-shaped photoelectric switch arranged on the first connecting plate. A tension spring is connected between the first sensing plate and the first connecting plate. The first sensing plate can move in the sensing area of the first slot-shaped photoelectric switch.

[0006] Preferably, the poking mechanism comprises a first vertical plate arranged on the bottom die mounting plate, a first X-axis driving cylinder arranged on the first vertical plate, a first X-axis sliding block slidingly connected to the first vertical plate and drivingly connected to the first X-axis driving cylinder, a first Z-axis sliding seat arranged at one end of the first X-axis sliding block, a first Z-axis sliding block slidingly connected to the first Z-axis sliding seat, a first Z-axis driving cylinder arranged at the top of the first Z-axis sliding seat and drivingly connected to the first Z-axis sliding block, a poking rod fixedly connected to the bottom of the first Z-axis sliding block; the oil rolling mechanism comprises an oil return box fixedly connected to one end of the feeding guide rail, a rotating seat arranged at the top of the oil return box, a rolling wheel rotatably connected to the rotating seat, and an oil pump arranged on one of the mounting vertical plates, the oil pump being configured to supply lubricating oil to the surface of the rolling wheel, and the inside of the oil return box being connected to the input end of the oil pump.

[0007] Preferably, the wire harness feeding mechanism comprises a wire taking mechanism and a pressing mechanism, the wire taking mechanism comprising a Y-axis linear driving mechanism, a Z-axis movable mechanism, a second X-axis driving cylinder, and a wire clamping mechanism; the Y-axis linear driving mechanism comprising a first Y-axis sliding seat arranged on one of the mounting vertical plates, a first Y-axis sliding block slidingly connected to the first Y-axis sliding seat, and a first driving motor arranged on the first Y-axis sliding seat and connected to the first Y-axis sliding block; the Z-axis movable mechanism comprising a second Z-axis sliding block slidingly connected to the first Y-axis sliding block, a longitudinal tension spring connected between the first Y-axis sliding block and the second Z-axis sliding block, and the second X-axis driving cylinder arranged on the second Z-axis sliding block; the wire clamping mechanism comprising a first pneumatic clamp drivingly connected to the second X-axis driving cylinder, a second pneumatic clamp arranged parallel to the first pneumatic clamp, a second connecting plate fixedly connected between the first pneumatic clamp and the second pneumatic clamp, and wire clamping arms mounted on the two clamping jaws of the first pneumatic clamp and the second pneumatic clamp; the pressing mechanism comprising a Z-axis sliding rail slidingly connected to the mounting seat along the Z-axis direction, a speed reducer arranged on the mounting seat, an eccentric wheel mounted on the output shaft of the speed reducer, a horizontal sliding groove arranged on the inner side surface of the Z-axis sliding rail, a horizontal sliding block movably arranged on the horizontal sliding groove and matching the horizontal sliding groove, a connecting hole penetratingly arranged on the horizontal sliding block, a bearing connecting the eccentric wheel and the connecting hole, a shaft hole penetratingly arranged on the mounting seat and connected to the output shaft of the speed reducer through a bearing, a cross arm arranged on one side of the Z-axis sliding rail, and a pressing rod arranged at one end of the cross arm.

[0008] Preferably, the pressing mechanism comprises a third Z-axis sliding block, a second driving motor arranged at the top of the mounting seat, a knife arm fixedly connected to the bottom of the third Z-axis sliding block, and a pressing tool arranged at the bottom of the knife arm; the Z-axis sliding rail is provided with a longitudinal movable groove matching the third Z-axis sliding block, the third Z-axis sliding block is movably arranged in the longitudinal movable groove, the second driving motor is connected to the third Z-axis sliding block through a lead screw, and the knife arm is slidingly connected to the first vertical plate along the Z-axis direction.

[0009] Preferably, the material seat mechanism further comprises a locking mechanism, the locking mechanism comprises a first positioning plate and a second positioning plate connected to the bottom die mounting plate through screws, a locking cylinder arranged on one of the mounting vertical plates, a connecting rod, one end of the connecting rod is hinged with a floating joint, the floating joint is mounted on the output shaft of the locking cylinder, one side of the bottom die mounting plate is provided with a movable groove matched with the second positioning plate, the second positioning plate is rotatably connected to the movable groove through a rotating shaft, one end of the rotating shaft is fixedly connected to the other end of the connecting rod, the first positioning plate and the second positioning plate are each provided with a plurality of pressing portions on one side, the bottom of the pressing portion is provided with a first inclined surface, the two sides of the pressing seat are each provided with a pressing groove corresponding to the pressing portion, and the bottom of the pressing groove is provided with a second inclined surface matched with the first inclined surface, and the first inclined surface abuts on the second inclined surface.

[0010] Preferably, the material belt cutting mechanism comprises a cutting box fixedly connected to one side of the base, an arc-shaped waste material guide groove fixedly connected to the top of the cutting box and communicating with the inside of the cutting box, a waste material discharge groove fixedly connected to the bottom of the cutting box and communicating with the inside of the cutting box, and a cutting assembly, the cutting assembly comprising a cutting cylinder arranged on one side of the cutting box, a first cutting knife movably arranged in the cutting box and drivingly connected with the cutting cylinder, and a second cutting knife arranged in the cutting box and corresponding to the first cutting knife.

[0011] Preferably, the first vertical plate is provided with a core wire guide mechanism, the core wire guide mechanism comprising a Y-axis sliding seat fixedly connected to the first vertical plate, a Y-axis sliding plate slidingly connected to the Y-axis sliding seat along the Y-axis direction, a Y-axis driving cylinder arranged on the Y-axis sliding seat and drivingly connected with the Y-axis sliding plate, a Z-axis sliding plate slidingly connected to one end of the Y-axis sliding plate along the Z-axis direction, a follow-up cam rotatably connected to the top end of the Z-axis sliding plate, and a pressing block fixedly connected to the bottom of the Z-axis sliding plate, the pressing block being provided with a guide tooth, the top of the Y-axis sliding seat being provided with a cam movable groove, and the follow-up cam being movably arranged in the cam movable groove.

[0012] The beneficial effects of the present application are: the terminal crimping mechanism provided by the present application conveys the terminal material belt along the blanking guide rail to the feeding guide rail, drives the terminal material belt along the feeding guide rail to the side of the crimping seat through the material pushing mechanism, applies lubricating oil to the terminal through the oil rolling mechanism when the terminal passes through the oil rolling mechanism, places the to-be-crimped end of the wire harness core wire on the terminal located in the working area of the crimping seat through the wire harness feeding mechanism, crimps the terminal on the core wire through the crimping mechanism, and cuts off the terminal waste material belt output from the crimping seat through the material belt cutting mechanism, realizing the automatic operation of terminal feeding, terminal conveying, wire harness feeding, terminal crimping and waste material belt cutting, effectively reducing the labor input, improving the production efficiency, reducing the production cost, ensuring the stability of product processing quality and improving the product qualification rate. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 The appearance structure schematic diagram of the present application is illustrated.

[0014] Figure 2 The structure diagram of the material pushing mechanism and the core wire guiding mechanism is illustrated.

[0015] Figure 3 The structure diagram of the material seat mechanism is illustrated.

[0016] Figure 4 The structure diagram of the wire taking mechanism is illustrated.

[0017] Figure 5 The sectional view of the first position is illustrated.

[0018] Figure 6 The sectional view of the second position is illustrated.

[0019] Figure 7 The structure diagram of the crimping mechanism and the pressing mechanism is illustrated.

[0020] Figure 8 The structure diagram of the wire taking mechanism is illustrated. Figure 5 The local enlarged structure diagram of the A part is illustrated.

[0021] Figure 9 The sectional view of the wire taking mechanism is illustrated.

[0022] Figure 10 The structure diagram of the Z-axis sliding rail is illustrated.

[0023] Explanation of reference numerals: machine 1, base 10, mounting vertical plate 11, mounting seat 12, shaft hole 120, terminal feeding mechanism 2, blanking guide rail 20, first connecting plate 200, material checking assembly 21, arc-shaped material blocking plate 210, first induction plate 211, first slot photoelectric switch 212, tension spring 213, terminal conveying mechanism 3, feeding guide rail 30, material poking mechanism 31, first vertical plate 310, first X-axis directional driving cylinder 311, first X-axis sliding block 312, first Z-axis sliding seat 313, first Z-axis sliding block 314, first Z-axis directional driving cylinder 315, poking rod 316, oil rolling mechanism 32, oil return box 320, rotating seat 321, roller 322, oil pump 323, material seat mechanism 4, bottom die mounting plate 40, movable slot 400, crimping seat 41, pressing slot 410, second inclined surface 410a, locking mechanism 42, first positioning plate 420, pressing part 420a, first inclined surface 420b, second positioning plate 421, locking cylinder 422, connecting rod 423, floating joint 424, rotating shaft 425, wire harness feeding mechanism 5, wire taking mechanism 50, second X-axis directional driving cylinder 500, first Y-axis sliding seat 501, first Y-axis sliding block 502, first driving motor 503, second Z-axis sliding block 504, longitudinal tension spring 505, first pneumatic clamping jaw 506, second pneumatic clamping jaw 507, second connecting plate 508, pressing mechanism 51, Z-axis sliding rail 510, transverse sliding slot 510a, longitudinal movable slot 510b, speed reduction motor 511, eccentric wheel 512, transverse sliding block 513, connecting hole 513a, cross arm 514, pressing rod 515, crimping mechanism 6, third Z-axis sliding block 60, second driving motor 61, cutter arm 62, crimping cutter 63, material belt cutting mechanism 7, cutting material box 70, arc-shaped waste material guide slot 71, waste material discharge slot 72, cutting material cylinder 73, first cutting material cutter 74, second cutting material cutter 75, core wire guide mechanism 8, Y-axis sliding seat 80, cam movable slot 800, Y-axis sliding plate 81, Y-axis directional driving cylinder 82, Z-axis sliding plate 83, follow-up cam 84, pressing block 85, guide tooth 850. DETAILED DESCRIPTION

[0024] In order to make the objects, technical solutions and advantages of the embodiments of the present disclosure clearer, the technical solutions of the embodiments of the present disclosure will be described clearly and completely below with reference to the drawings of the embodiments of the present disclosure. Obviously, the described embodiments are part of the embodiments of the present disclosure, rather than all the embodiments of the present disclosure.

[0025] Based on the described embodiments of the present disclosure, all other embodiments obtained by those of ordinary skill in the art without creative effort belong to the scope of protection of the present disclosure.

[0026] Reference Figures 1-10 .

[0027] The application provides a terminal crimping mechanism, which comprises a machine table 1, a terminal feeding mechanism 2, a terminal conveying mechanism 3, a material seat mechanism 4, a wire harness feeding mechanism 5, a crimping mechanism 6, and a material belt cutting mechanism 7. The machine table 1 comprises a base 10, two installation vertical plates 11 arranged side by side on the top of the base 10, and a mounting seat 12 arranged between the two installation vertical plates 11. The terminal feeding mechanism 2 comprises a blanking guide rail 20 arranged on one of the installation vertical plates 11. The material seat mechanism 4 comprises a bottom die mounting plate 40 arranged on the top of the base 10 and a crimping seat 41 detachably connected to the bottom die mounting plate 40. The terminal conveying mechanism 3 comprises a feeding guide rail 30 arranged on the bottom die mounting plate 40, a material pushing mechanism 31 arranged on the bottom die mounting plate 40, and a rolling oil mechanism 32 arranged on the feeding guide rail 30. When the terminal material belt is conveyed along the feeding guide rail 30, the rolling oil mechanism 32 applies lubricating oil to the terminal material belt, and the material pushing mechanism 31 can drive the terminal material belt to be conveyed along the feeding guide rail 30 to the side of the crimping seat 41. The wire harness feeding mechanism 5 is arranged on the machine table 1 and can place the wire harness on the crimping seat 41. The crimping mechanism 6 is arranged on the mounting seat 12 and can perform a crimping operation on the terminal on the crimping seat 41. The material belt cutting mechanism 7 is arranged on the base 10 and can cut the terminal waste material belt output from the crimping seat 41.

[0028] The working principle is that the terminal material belt is conveyed along the blanking guide rail 20 to the feeding guide rail 30, the terminal material belt is driven by the material pushing mechanism 31 to be conveyed along the feeding guide rail 30 to the side of the crimping seat 41, the rolling oil mechanism 32 applies lubricating oil to the terminal when the terminal passes through the rolling oil mechanism 32, the to-be-crimped end of the wire harness core wire is placed on the terminal in the working area of the crimping seat 41 by the wire harness feeding mechanism 5, the terminal is crimped on the core wire by the crimping mechanism 6, and the terminal waste material belt output from the crimping seat 41 is cut by the material belt cutting mechanism 7, thereby realizing the automatic operation of terminal feeding, terminal conveying, wire harness feeding, terminal crimping, and waste material belt cutting, effectively reducing the labor input, improving the production efficiency, reducing the production cost, ensuring the stability of the product processing quality, and improving the product qualification rate.

[0029] Based on the above embodiment, the output end of the blanking guide rail 20 is provided with a material inspection assembly 21, and the output end of the blanking guide rail 20 is connected with a first connecting plate 200. The material inspection assembly 21 comprises an arc-shaped material blocking plate 210 which is rotatably connected to the first connecting plate 200, a first sensing plate 211 which is fixedly connected to one end of the arc-shaped material blocking plate 210, a first slot-shaped photoelectric switch 212 which is arranged on the first connecting plate 200, and a tension spring 213 which is connected between the first sensing plate 211 and the first connecting plate 200. The first sensing plate 211 is movable on the sensing area of the first slot-shaped photoelectric switch 212. When there is no terminal material belt conveyed in the blanking guide rail 20, the tension spring 213 is in a natural state, the protruding part of the arc-shaped material blocking plate 210 enters the inside of the blanking guide rail 20, and the first sensing plate 211 is not in the sensing area of the first slot-shaped photoelectric switch 212. When there is a terminal material belt conveyed along the blanking guide rail 20, the terminal material belt will generate a pushing force on the arc-shaped material blocking plate 210, the tension spring 213 is stretched, the protruding part of the arc-shaped material blocking plate 210 exits from the inside of the blanking guide rail 20, the first sensing plate 211 is in the sensing area of the first slot-shaped photoelectric switch 212, and the first slot-shaped photoelectric switch 212 can send a signal to the control system, so that the control system can monitor whether there is a terminal material belt on the blanking guide rail 20.

[0030] Based on the above embodiment, the poking mechanism 31 comprises a first vertical plate 310 arranged on the bottom die mounting plate 40, a first X-axis directional driving cylinder 311 arranged on the first vertical plate 310, a first X-axis directional sliding block 312 slidingly connected to the first vertical plate 310 and drivingly connected to the first X-axis directional driving cylinder 311, a first Z-axis directional sliding seat 313 arranged at one end of the first X-axis directional sliding block 312, a first Z-axis directional sliding block 314 slidingly connected to the first Z-axis directional sliding seat 313, a first Z-axis directional driving cylinder 315 arranged at the top of the first Z-axis directional sliding seat 313 and drivingly connected to the first Z-axis directional sliding block 314, and a poking rod 316 fixedly connected to the bottom of the first Z-axis directional sliding block 314. The oil rolling mechanism 32 comprises an oil return box 320 fixedly connected to one end of the feeding guide rail 30, a rotating seat 321 arranged at the top of the oil return box 320, a rolling wheel 322 rotatingly connected to the rotating seat 321, and an oil pump 323 arranged on one of the mounting vertical plates 11, which is used to supply lubricating oil to the surface of the rolling wheel 322, and the inside of the oil return box 320 is connected to the input end of the oil pump 323. Specifically, the terminal tape is provided with a plurality of insertion holes arranged at equal intervals and matched with the poking rod 316. The poking rod 316 can be moved left and right by the first X-axis directional driving cylinder 311, and can be moved up and down by the first Z-axis directional driving cylinder 315, so as to drive the terminal tape to be conveyed forward along the feeding guide rail 30. When the terminal tape is conveyed forward, the terminals will contact the rolling wheel 322 to drive the rolling wheel 322 to rotate. The oil pump 323 supplies lubricating oil to the surface of the rolling wheel 322. The rolling wheel 322 brushes the lubricating oil on the terminals to lubricate the terminals, which facilitates the crimping process. The excess lubricating oil can flow back to the oil pump 323 for recycling after entering the oil return box 320.

[0031] Based on the above embodiment, the wire harness feeding mechanism 5 comprises a wire taking mechanism 50 and a pressing mechanism 51. The wire taking mechanism 50 comprises a Y-axis linear driving mechanism, a Z-axis moving mechanism, a second X-axis driving cylinder 500 and a wire clamping mechanism. The Y-axis linear driving mechanism comprises a first Y-axis sliding seat 501 arranged on one of the mounting vertical plates 11, a first Y-axis sliding block 502 slidably connected to the first Y-axis sliding seat 501, and a first driving motor 503 arranged on the first Y-axis sliding seat 501 and connected to the first Y-axis sliding block 502 through a screw rod. The Z-axis moving mechanism comprises a second Z-axis sliding block 504 slidably connected to the first Y-axis sliding block 502 and a longitudinal tension spring 505 connected between the first Y-axis sliding block 502 and the second Z-axis sliding block 504. The second X-axis driving cylinder 500 is arranged on the second Z-axis sliding block 504. The wire clamping mechanism comprises a first pneumatic clamping jaw 506 drivingly connected to the second X-axis driving cylinder 500, a second pneumatic clamping jaw 507 arranged parallel to the first pneumatic clamping jaw 506, and a second connecting plate 508 fixedly connected between the first pneumatic clamping jaw 506 and the second pneumatic clamping jaw 507. The two clamping jaws of the first pneumatic clamping jaw 506 and the second pneumatic clamping jaw 507 are each provided with a wire clamping arm. The pressing mechanism 51 comprises a Z-axis sliding rail 510 slidably connected to the mounting base 12 along the Z-axis direction, a speed reducer 511 arranged on the mounting base 12, and an eccentric wheel 512 arranged on the output shaft of the speed reducer 511. The inner side surface of the Z-axis sliding rail 510 is provided with a transverse sliding groove 510a. A transverse sliding block 513 matching the transverse sliding groove 510a is movably arranged on the transverse sliding groove 510a. A connecting hole 513a is arranged through the transverse sliding block 513. The eccentric wheel 512 is connected to the connecting hole 513a through a bearing. An axle hole 120 is arranged through the mounting base 12. The output shaft of the speed reducer 511 is connected to the axle hole 120 through a bearing. A cross arm 514 is arranged on one side of the Z-axis sliding rail 510. A pressing rod 515 is arranged at one end of the cross arm 514. Specifically, the wire harness is clamped at two positions by the first pneumatic clamping jaw 506 and the second pneumatic clamping jaw 507. When the first driving motor 503 works, the first pneumatic clamping jaw 506 and the second pneumatic clamping jaw 507 can move forward and backward, so that the core wire of the wire harness is sent to the upper side of the terminal in the working area of the crimping seat 41. At this time, the top of the second Z-axis sliding block 504 is below the bottom end of the pressing rod 515. When the eccentric wheel 512 is driven to rotate by the speed reducer 511, the transverse sliding block 513 can move left and right on the transverse sliding groove 510a. The Z-axis sliding rail 510 can move up and down on the mounting base 12. The pressing rod 515 is arranged on the top of the second Z-axis sliding block 504 and pushes the second Z-axis sliding block 504 to move downward. The longitudinal tension spring 505 is stretched. The first pneumatic clamping jaw 506 and the second pneumatic clamping jaw 507 moving downward place the core wire to be crimped on the terminal. At this time, the terminal can be crimped on the core wire by the crimping mechanism 6.After the crimping is completed, the lower pressing mechanism 51 is reset, the second Z-axis sliding block 504 is reset under the action of the tension of the longitudinal tension spring 505, and the first pneumatic clamping jaw 506 and the second pneumatic clamping jaw 507 are raised and reset.

[0032] Based on the above embodiment, the crimping mechanism 6 comprises a third Z-axis sliding block 60, a second driving motor 61 arranged on the top of the mounting base 12, a cutter arm 62 fixedly connected to the bottom of the third Z-axis sliding block 60, and a crimping cutter 63 arranged on the bottom of the cutter arm 62. The Z-axis sliding rail 510 is provided with a longitudinal movable slot 510b matched with the third Z-axis sliding block 60. The third Z-axis sliding block 60 is movably arranged in the longitudinal movable slot 510b. The second driving motor 61 is connected with the third Z-axis sliding block 60 through a screw rod. The cutter arm 62 is slidably connected to the first vertical plate 310 along the Z-axis direction. When the second driving motor 61 works, it drives the third Z-axis sliding block 60 to move up and down along the longitudinal movable slot 510b. The cutter arm 62 moves up and down along the first vertical plate 310. The crimping cutter 63 can crimp the terminals on the crimping seat 41 on the core wire.

[0033] Based on the above embodiment, the material seat mechanism 4 further comprises a locking mechanism 42, which comprises a first positioning plate 420 and a second positioning plate 421 connected to the bottom die mounting plate 40 through screws, a locking cylinder 422 arranged on one of the mounting vertical plates 11, and a connecting rod 423. The connecting rod 423 is hingedly connected to a floating joint 424 at one end, and the floating joint 424 is mounted on the output shaft of the locking cylinder 422. One side of the bottom die mounting plate 40 is provided with a movable slot 400 matched with the second positioning plate 421. The second positioning plate 421 is rotatably connected to the movable slot 400 through a rotating shaft 425. One end of the rotating shaft 425 is fixedly connected to the other end of the connecting rod 423. The first positioning plate 420 and the second positioning plate 421 are each provided with a plurality of pressing portions 420a on one side. The bottom of each pressing portion 420a is provided with a first inclined surface 420b. The two sides of the crimping seat 41 are each provided with a pressing groove 410 corresponding to the pressing portion 420a. The bottom of the pressing groove 410 is provided with a second inclined surface 410a matched with the first inclined surface 420b. The first inclined surface 420b abuts against the second inclined surface 410a. Specifically, the first positioning plate 420 can position one end of the crimping seat 41, and the second positioning plate 421 can position the other end of the crimping seat 41. When it is necessary to disassemble the crimping seat 41 from the bottom die mounting plate 40, the connecting rod 423 is driven to swing by the locking cylinder 422, which in turn drives the second positioning plate 421 to move on the movable slot 400, so that the pressing portion 420a is detached from the pressing groove 410, and then the crimping seat 41 can be disassembled from the bottom die mounting plate 40, realizing quick disassembly and positioning of the crimping seat 41, and facilitating maintenance and replacement of the crimping seat 41.

[0034] Based on the above embodiment, the material belt cutting mechanism 7 comprises a cutting box 70 fixedly connected to one side of the base 10, an arc-shaped waste material guide groove 71 fixedly connected to the top of the cutting box 70 and communicating with the inside of the cutting box 70, a waste material discharge groove 72 fixedly connected to the bottom of the cutting box 70 and communicating with the inside of the cutting box 70, a cutting assembly comprising a cutting cylinder 73 arranged on one side of the cutting box 70, a first cutting knife 74 movably arranged in the cutting box 70 and drivingly connected with the cutting cylinder 73, and a second cutting knife 75 arranged in the cutting box 70 and corresponding to the first cutting knife 74. After the terminal on the terminal material belt is completed with the crimping operation, the terminal waste material belt will be conveyed into the arc-shaped waste material guide groove 71. When the terminal waste material belt is conveyed between the first cutting knife 74 and the second cutting knife 75, the first cutting knife 74 is driven by the cutting cylinder 73 to move to the side of the second cutting knife 75, so that the terminal waste material belt can be cut off. The cut-off terminal waste material belt will be discharged along the waste material discharge groove 72.

[0035] Based on the above embodiment, the first vertical plate 310 is provided with a core wire guide mechanism 8, which comprises a Y-axis sliding seat 80 fixedly connected to the first vertical plate 310, a Y-axis sliding plate 81 slidingly connected to the Y-axis sliding seat 80 in the Y-axis direction, a Y-axis driving cylinder 82 arranged on the Y-axis sliding seat 80 and drivingly connected with the Y-axis sliding plate 81, a Z-axis sliding plate 83 slidingly connected to one end of the Y-axis sliding plate 81 in the Z-axis direction, a follow-up cam 84 rotatably connected to the top end of the Z-axis sliding plate 83, and a pressing block 85 fixedly connected to the bottom of the Z-axis sliding plate 83, wherein the pressing block 85 is provided with a guide tooth 850, and the top of the Y-axis sliding seat 80 is provided with a cam movable groove 800, and the follow-up cam 84 is movably arranged in the cam movable groove 800. After the core wire is placed on the crimping seat 41 by the taking mechanism 50, the Y-axis sliding plate 81 is driven by the Y-axis driving cylinder 82 to move forward and backward, which drives the Z-axis sliding plate 83 to move forward and backward, and the follow-up cam 84 rolls along the profile of the cam movable groove 800, thereby driving the Z-axis sliding plate 83 to move up and down, so that the guide tooth 850 can guide each core wire of the wire harness, ensuring the orderly arrangement of each core wire and improving the crimping quality.

[0036] The above embodiments only describe the preferred embodiments of the present application, and do not limit the scope of the present application. Without departing from the design spirit of the present application, various modifications and improvements to the technical solutions of the present application made by ordinary engineering technicians in the art shall fall within the protection scope determined by the claims of the present application.

Claims

1. A terminal crimping mechanism, characterized in that, The system includes a machine base, a terminal feeding mechanism, a terminal conveying mechanism, a material holder mechanism, a wire harness feeding mechanism, a crimping mechanism, and a strip cutting mechanism. The machine base includes a base, mounting plates arranged side-by-side on the top of the base, and a mounting seat between the two mounting plates. The terminal feeding mechanism includes a dropping guide rail mounted on one of the mounting plates. The material holder mechanism includes a bottom mold mounting plate mounted on the top of the base and a crimping seat detachably connected to the bottom mold mounting plate. The terminal conveying mechanism includes a feeding guide rail mounted on the bottom mold mounting plate, a material feeding mechanism mounted on the bottom mold mounting plate, and an oiling mechanism mounted on the feeding guide rail. When the terminal strip is conveyed along the feeding guide rail, the oiling mechanism applies lubricating oil to the terminal strip, and the material feeding mechanism can drive the terminal strip along the feeding guide rail towards the crimping seat. The wire harness feeding mechanism is mounted on the machine base and can place the wire harness on the crimping seat. The crimping mechanism is mounted on the mounting seat and can cut the terminals on the crimping seat. The crimping operation; the strip cutting mechanism is mounted on the base and can cut the terminal waste strip output from the crimping seat; the material feeding mechanism includes a first upright plate mounted on the bottom mold mounting plate, a first X-axis drive cylinder mounted on the first upright plate, a first X-axis slider slidably connected to the first upright plate and driven by the first X-axis drive cylinder, a first Z-axis slide block mounted at one end of the first X-axis slider, a first Z-axis slider slidably connected to the first Z-axis slide block, a first Z-axis drive cylinder mounted on the top of the first Z-axis slide block and driven by the first Z-axis slider, and a lever fixedly connected to the bottom of the first Z-axis slider; the oil rolling mechanism includes an oil return box fixedly connected to one end of the feeding guide rail, a rotating seat mounted on the top of the oil return box, a roller rotatably connected to the rotating seat, and an oil pump mounted on one of the mounting upright plates, the oil pump being used to supply lubricating oil to the surface of the roller, and the inside of the oil return box being connected to the input end of the oil pump.

2. The terminal crimping mechanism according to claim 1, characterized in that, A material detection component is provided on the output end of the material dropping guide rail, and a first connecting plate is connected to the output end of the material dropping guide rail. The material detection component includes an arc-shaped baffle plate rotatably connected to the first connecting plate, a first sensing plate fixedly connected to one end of the arc-shaped baffle plate, and a first slotted photoelectric switch disposed on the first connecting plate. A tension spring is connected between the first sensing plate and the first connecting plate, and the first sensing plate can move on the sensing area of ​​the first slotted photoelectric switch.

3. A terminal crimping mechanism according to claim 2, characterized in that, The wire harness feeding mechanism includes a wire picking mechanism and a pressing mechanism. The wire picking mechanism includes a Y-axis linear drive mechanism, a Z-axis movable mechanism, a second X-axis drive cylinder, and a wire clamping mechanism. The Y-axis linear drive mechanism includes a first Y-axis slide block disposed on one of the mounting plates, a first Y-axis slider slidably connected to the first Y-axis slide block, and a first drive motor disposed on the first Y-axis slide block and connected to the first Y-axis slider lead screw. The Z-axis movable mechanism includes a second Z-axis slider slidably connected to the first Y-axis slider, and a longitudinal tension spring connected between the first Y-axis slider and the second Z-axis slider. The second X-axis drive cylinder is disposed on the second Z-axis slider. The wire clamping mechanism includes a first pneumatic gripper driven by the second X-axis drive cylinder, and a first pneumatic gripper connected to the first X-axis drive cylinder. The system comprises a second pneumatic gripper arranged in parallel with the first pneumatic gripper and a second connecting plate fixedly connected between the first and second pneumatic grippers. Each gripper of the first and second pneumatic grippers has a clamping arm. The pressing mechanism includes a Z-axis slide rail slidably connected to the mounting base along the Z-axis direction, a reduction motor mounted on the mounting base, and an eccentric wheel mounted on the output shaft of the reduction motor. A transverse slide groove is provided on the inner side of the Z-axis slide rail, and a transverse slider matching the transverse slide groove is movably mounted on the transverse slide groove. A connecting hole is provided through the transverse slider, and the eccentric wheel is connected to the connecting hole via a bearing. A shaft hole is provided through the mounting base, and the output shaft of the reduction motor is connected to the shaft hole via a bearing. A cross arm is provided on one side of the Z-axis slide rail, and a pressure rod is provided at one end of the cross arm.

4. A terminal crimping mechanism according to claim 3, characterized in that, The pressing mechanism includes a third Z-axis slider, a second drive motor disposed on the top of the mounting base, a cutter arm fixedly connected to the bottom of the third Z-axis slider, and a pressing cutter disposed at the bottom of the cutter arm. The Z-axis slide rail is provided with a longitudinal movable groove that matches the third Z-axis slider. The third Z-axis slider is movably disposed in the longitudinal movable groove. The second drive motor is connected to the lead screw of the third Z-axis slider. The cutter arm is slidably connected to the first upright plate along the Z-axis direction.

5. A terminal crimping mechanism according to claim 4, characterized in that, The material seat mechanism further includes a locking mechanism, which includes a first positioning plate and a second positioning plate connected to the bottom mold mounting plate by screws, a locking cylinder disposed on one of the mounting plates, and a connecting rod. One end of the connecting rod is hinged to a floating joint, which is mounted on the output shaft of the locking cylinder. One side of the bottom mold mounting plate is provided with a movable groove that matches the second positioning plate. The second positioning plate is rotatably connected to the movable groove via a rotating shaft. One end of the rotating shaft is fixedly connected to the other end of the connecting rod. Several pressing parts are arranged side by side on one side of the first positioning plate and the second positioning plate. A first inclined surface is provided at the bottom of each pressing part. Both sides of the pressing seat are provided with pressing grooves corresponding to the pressing parts. A second inclined surface that matches the first inclined surface is provided at the bottom of each pressing groove. The first inclined surface abuts against the second inclined surface.

6. A terminal crimping mechanism according to claim 5, characterized in that, The strip cutting mechanism includes a cutting box fixedly connected to one side of the base, an arc-shaped waste guide groove fixedly connected to the top of the cutting box and communicating with the inside of the cutting box, a waste discharge groove fixedly connected to the bottom of the cutting box and communicating with the inside of the cutting box, and a cutting assembly. The cutting assembly includes a cutting cylinder disposed on one side of the cutting box, a first cutting blade movably disposed in the cutting box and drivenly connected to the cutting cylinder, and a second cutting blade disposed in the cutting box and corresponding to the first cutting blade.

7. A terminal crimping mechanism according to claim 1, characterized in that, The first upright plate is provided with a core wire guiding mechanism, which includes a Y-axis slide fixedly connected to the first upright plate, a Y-axis slide plate slidably connected to the Y-axis slide along the Y-axis direction, a Y-axis drive cylinder disposed on the Y-axis slide and drivenly connected to the Y-axis slide plate, a Z-axis slide plate slidably connected to one end of the Y-axis slide plate along the Z-axis direction, a follower cam rotatably connected to the top of the Z-axis slide plate, and a pressure block fixedly connected to the bottom of the Z-axis slide plate. The pressure block is provided with guiding teeth, and the top of the Y-axis slide is provided with a cam movable groove, and the follower cam is movably disposed on the cam movable groove.

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