Bolt riveting mechanism

Abstract

The utility model discloses a bolt riveting mechanism which is installed on one side of an indexing rotary table and comprises a press riveting frame, a press riveting cylinder, a press riveting seat and a riveting tool bit, the press riveting cylinder is installed on the press riveting frame, the press riveting seat is vertically connected with the press riveting frame in a sliding mode and connected with the output end of the press riveting cylinder, the riveting tool bit is installed at the bottom of the press riveting seat, and the output end of the press riveting cylinder is connected with the output end of the press riveting seat. A positioning mechanism is arranged between the rivet pressing base and the indexing rotary table in a matched mode, and a loading base is arranged on the indexing rotary table. The bolt riveting mechanism can automatically rivet bolts and can be used in an assembly machine in a matched mode so as to achieve full-automatic assembly of the bolts, plastic parts and nuts.

Description

Technical Field

[0001] The utility model relates to the technical field of automation equipment, and more specifically to a bolt riveting mechanism. Background Art

[0002] The existing assembly of bolts, plastic parts and nuts requires multiple processes for assembly. Currently, these processes usually include assembly of bolts and plastic parts, assembly of bolts and O-rings, assembly of nuts and bolts, adjustment of nuts and bolts, riveting of bolts and detection, etc. Most of these processes are performed manually. Due to the manual assembly, the labor intensity of workers is high, the cost is high, and the efficiency is low. After working for a long time, the assembly efficiency and quality of workers will decline, affecting the overall assembly efficiency and quality. Therefore, it is necessary to develop a bolt riveting mechanism to realize the automatic riveting of bolts, and use it in an overall assembly machine to realize the fully automatic assembly of bolts, plastic parts and nuts. Utility Model Content

[0003] In view of the deficiencies of the prior art, the utility model provides a bolt riveting mechanism, which can automatically rivet bolts and can be used in an assembly machine to achieve full-automatic assembly of bolts, plastic parts and nuts.

[0004] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0005] A bolt riveting mechanism is installed on one side of a dividing turntable and includes a riveting frame, a riveting cylinder, a riveting seat and a rivet cutter head. The riveting cylinder is installed on the riveting frame, the riveting seat is vertically slidably connected to the riveting frame, and the riveting seat is connected to the output end of the riveting cylinder. The rivet cutter head is installed at the bottom of the riveting seat, a positioning mechanism is provided between the riveting seat and the dividing turntable, and a carrier seat is provided on the dividing turntable.

[0006] Furthermore, a carrier reference column is provided below the indexing turntable located at the bolt riveting mechanism, the carrier seat is vertically slidably connected to the indexing turntable and is provided with a sliding limit structure, and the carrier reference column can drive the carrier seat to rise and support the carrier seat to rise.

[0007] Furthermore, the indexing turntable is provided with a plurality of limit slides at the carrier seat, the carrier seat is provided with a plurality of sliding holes, the limit slides are fixed on the indexing turntable, and the limit slides pass through the sliding holes and are connected to the limit circular table, the carrier seat is fixedly connected with a receiving column, the indexing turntable is provided with a through hole at the carrier seat, the receiving column passes through the through hole and can cooperate with the carrier reference column.

[0008] The positioning mechanism further includes a plurality of positioning columns, which are installed at the bottom of the riveting seat. Positioning holes are provided on both sides of the carrier seat on the indexing turntable, and the positioning columns can extend into the positioning holes to achieve positioning and limiting.

[0009] Furthermore, the pressure riveting frame is provided with a plurality of guide sleeves, and the pressure riveting seat is provided with a plurality of guide pillars, and the plurality of guide pillars extend into the guide sleeves respectively.

[0010] Furthermore, the riveting cylinder is a gas-liquid booster cylinder.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] The utility model installs the bolt riveting mechanism on one side of the indexing turntable and arranges it into a structural form including a riveting frame, a riveting cylinder, a riveting seat, a positioning mechanism and a rivet cutter head. When the indexing turntable drives the carrier seat to move to the bolt riveting mechanism, the positioning mechanism can lock and limit the indexing turntable, so that the rivet cutter head can accurately rivet the bolt, thereby automatically completing the riveting process without manual operation and with high efficiency.

[0013] In addition, the utility model also provides a carrier reference column under the indexing turntable located at the bolt riveting mechanism. After the indexing turntable moves to the carrier reference column, the carrier reference column can lift the carrier seat by 1mm, thereby preventing the bolt riveting mechanism from being affected by the horizontal runout accuracy of the indexing turntable when working, thereby ensuring that the bolt riveting mechanism works accurately and effectively. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative work, among which:

[0015] Figure 1 It is a structural schematic diagram of an assembly machine;

[0016] Figure 2 It is a partial schematic diagram of the assembly mechanism of the plastic parts and bolts;

[0017] Figure 3 It is a structural schematic diagram of the assembly mechanism of plastic parts and bolts;

[0018] Figure 4 It is a cross-sectional view of the assembly of the plastic part and the nut;

[0019] Figure 5 It is a structural schematic diagram of the O-ring assembly mechanism;

[0020] Figure 6 It is a partial schematic diagram of the O-ring assembly mechanism;

[0021] Figure 7 A cross-sectional view of the detection component;

[0022] Figure 8 It is a structural schematic diagram of the nut detection and pre-assembly mechanism;

[0023] Fig. 9 It is a structural schematic diagram of the pre-installed screw-in component;

[0024] Fig.10 is a cross-sectional view of a pre-assembled screw-in component;

[0025] Fig.11 It is a structural schematic diagram of the nut position adjustment mechanism;

[0026] Fig.12 It is a partial schematic diagram of a bolt riveting mechanism in an assembly machine;

[0027] Fig.13 It is a structural schematic diagram of a bolt riveting mechanism;

[0028] Fig.14 The structural diagram of the nut docking height detection mechanism Figure 1 ;

[0029] Fig.15 The structural diagram of the nut docking height detection mechanism Figure 2 ;

[0030] Fig.16 It is a partial schematic diagram of the finished product unloading mechanism in the assembly machine;

[0031] Fig.17 is a schematic diagram of the structure of the carrier cavity;

[0032] Fig.18 This is a partial schematic diagram of the indexing turntable.

[0033] The markings in the figure are: 1. Machine table; 2. Indexing turntable; 3. Fixed table; 4. Carrier seat; 401. Clamping block; 402. Matching plate; 403. Limiting card plate; 404. Limiting slide column; 405. Limiting round table; 406. Carrier cavity; 407. Receiving column; 5. Plastic parts and bolt assembly mechanism; 501. Plastic parts feeding protective cover; 502. Bolt feeding protective cover; 503. Plastic parts linear feeding trough; 504. Bolt vibration plate; 505. Bolt linear feeding trough; 506. Bolt transfer XY axis module; 507. Assembly claw cylinder; 508. Side cutting fixed frame; 509. Side cutting cylinder; 510. Side cutting seat; 511. Bolt receiving cavity; 512. Assembly seat; 513. Plastic parts limiting plate; 51 4. Limit cylinder for plastic parts; 515. Mounting seat; 516. Push-in cylinder; 517. Assembly cylinder; 518. Push sleeve for plastic parts; 519. Inner cavity profiling mold; 520. Slotting; 521. Assembly hole; 522. Notch; 6. O-ring assembly mechanism; 601. O-ring feeding protection cover; 602. O-ring linear feeding channel; 603. Heating receiving seat; 604. Heating receiving cavity; 605. O-ring handling XY axis module; 606. Base plate; 607. Push-out cylinder; 608. Three-claw cylinder; 609. O-ring push plate; 610. Inner support profiling clamp; 611. Detection cylinder; 612. Laser displacement sensor; 613. Fixing rod; 614. Detection sleeve; 615. Waist-shaped groove; 616. Mounting Mounting hole; 617, detection spring; 618, connecting rod; 7, nut detection and pre-assembly mechanism; 701, nut feeding protective cover; 702, nut linear feeding channel; 703, material receiving and separation seat; 704, separation cylinder; 705, separation rack; 706, material receiving and separation chamber; 707, detection camera; 708, NG collection bin; 709, nut handling XY axis module; 710, pre-installed servo motor; 711, pre-installed torque sensor; 712, nut clamping claw cylinder; 713, pre-installed nut clamping claw; 714, pre-installed profiling mold; 715, base; 716, pre-installed rotating rod; 717, limiting boss; 718, waist-shaped hole; 719, accommodating hole; 720, set hole; 721, anti-rotation hole; 722, anti-rotation Rod; 723, pre-installed spring; 8, nut position adjustment mechanism; 801, adjustment bracket; 802, adjustment cylinder; 803, moving plate; 804, adjustment servo motor; 805, adjustment torque sensor; 806, adjustment contact displacement sensor; 807, adjustment profiling die; 808, contact ring; 809, adjustment rotating rod; 9, bolt riveting mechanism; 901, pressure riveting frame; 902, pressure riveting cylinder; 903, pressure riveting seat; 904, guide column; 905, guide sleeve; 906, rivet cutter head; 907, positioning column; 10, nut docking height detection mechanism; 1001, docking detection frame; 1002, docking detection cylinder; 1003, docking detection seat; 1004, adjust servo motor; 1005, driving gear;1006, driven gear; 1007, docking fixed seat; 1008, docking rotating seat; 1009, contact displacement sensor; 11, finished product unloading mechanism; 1101, unloading rack; 1102, unloading XY axis module; 1103, unloading jaw cylinder; 1104, unloading contour jaw; 1105, unloading bin; 1106, unloading port; 1107, discharge pipe; 12, release cylinder; 13, release hook plate; 14, positioning hole; 15, tightening cylinder; 16, tightening column head; 17, carrier reference column. ; DETAILED DESCRIPTION

[0034] In the description of the present invention, it should be noted that directional words, such as the terms "center", "lateral (X)", "longitudinal (Y)", "vertical (Z)", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", etc., indicating directions and positional relationships are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of narrating the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and cannot be understood as limiting the specific protection scope of the present invention.

[0035] In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features. Therefore, the definition of "first" and "second" features can explicitly or implicitly include one or more of the features. In the description of the utility model, the meaning of "several" and "a number" is two or more, unless otherwise clearly and specifically defined.

[0036] An assembly machine comprises a machine platform 1, on which a dividing turntable 2 is arranged, and on the outer side of the dividing turntable 2, a plastic part and bolt assembly mechanism 5, an O-ring assembly mechanism 6, a nut detection and pre-assembly mechanism 7, a nut position adjustment mechanism 8, a bolt riveting mechanism 9, a nut docking height detection mechanism 10 and a finished product unloading mechanism 11 are arranged in sequence along the rotation direction, and a plurality of carrier seats 4 are arranged on the dividing turntable 2, and a carrier cavity 406 is arranged on the carrier seat 4.

[0037] In this embodiment, the plastic parts and bolt assembly mechanism 5 preferably includes a bolt linear feeder assembly, a bolt side cutting module, a plastic parts linear feeder assembly, a plastic parts and bolt assembly assembly and an equidistant handling module;

[0038] The bolt linear feeder assembly includes a bolt vibration plate 504 and a bolt linear feeding channel 505, the discharge port of the bolt vibration plate 504 is connected to one end of the bolt linear feeding channel 505, the bolt side cutting module includes a side cutting fixing frame 508, a side cutting cylinder 509 and a side cutting seat 510, the side cutting fixing frame 508 is fixed on the machine platform 1, the side cutting seat 510 is horizontally slidably connected to the side cutting fixing frame 508, and a bolt receiving chamber 511 is provided on the side cutting seat 510, the bolt receiving chamber 511 can be connected to one end of the bolt linear feeding channel 505 away from the bolt vibration plate 504, the side cutting cylinder 509 is installed on the side cutting fixing frame 508, and the piston rod of the side cutting cylinder 509 is connected to the side cutting seat 510;

[0039] Specifically, the bolts are placed in batches into the bolt vibration plate 504, and the bolts are fed into the bolt linear feeding channel 505 one by one through the vibration of the bolt vibration plate 504. Then, the bolts slowly move along the bolt linear feeding channel 505 and finally enter the bolt receiving chamber 511 of the side cutting seat 510. Then, the side cutting cylinder 509 is started, driving the side cutting seat 510 to move horizontally, so that the bolt receiving chamber 511 of the side cutting seat 510 is staggered with the linear feeding channel, closing the bolt linear feeding channel 505 and completely fixing the bolts in the bolt receiving chamber 511, and then waiting for the equidistant handling module to grab and transport them.

[0040] In this embodiment, preferably, the outer side of the bolt vibration plate 504 is wrapped with a bolt feeding protective cover 502, and the top of the bolt feeding protective cover 502 is provided with a bolt feeding opening facing the bolt vibration plate 504; specifically, the bolt feeding protective cover 502 is provided to protect the bolt vibration plate 504 to ensure the normal feeding work of the bolt vibration plate 504.

[0041] Preferably, in this embodiment, the plastic parts linear feeder assembly includes a plastic parts vibration plate and a plastic parts linear feeding channel 503, the discharge port of the plastic parts vibration plate is connected to one end of the plastic parts linear feeding channel 503, and the other end of the plastic parts linear feeding channel 503 is connected to the plastic parts and nut assembly assembly;

[0042] Specifically, plastic parts are placed in batches on a plastic part vibration plate, and the plastic parts are vibrated and fed one by one into the plastic part linear feeding channel 503 by the plastic part vibration plate. Then, the plastic parts slowly move along the plastic part linear feeding channel 503 and finally enter the plastic part and nut assembly assembly.

[0043] Preferably in this embodiment, the outer side of the plastic part vibration disk is wrapped with a plastic part feeding protective cover 501, and the top of the plastic part feeding protective cover 501 is provided with a plastic part feeding opening facing the plastic part vibration disk; specifically, the plastic part feeding protective cover 501 is provided to protect the plastic part vibration disk to ensure the normal feeding operation of the plastic part vibration disk.

[0044] Preferably in this embodiment, the equidistant handling module includes a bolt transfer XY axis module 506 and an assembly clamp cylinder 507, the bolt transfer XY axis module 506 is installed on the machine table 1, and the assembly clamp cylinder 507 is installed on the moving lifting end of the bolt transfer XY axis module 506, the assembly clamp cylinder 507 is located above the side cutting seat 510 and the plastic part and nut assembly assembly, and the output end of the assembly clamp cylinder 507 is provided with a bolt contour clamp.

[0045] Specifically, the bolt is grabbed by assembling the bolt-shaped clamping claw of the clamping claw cylinder 507, and then the bolt is horizontally moved and vertically lifted by utilizing the function of the bolt transfer XY axis module 506 to achieve transportation.

[0046] In this embodiment, preferably, the plastic part and nut assembly assembly includes an assembly seat 512, a plastic part limiting cylinder 514, a plastic part limiting plate 513, an inner cavity profiling mold 519, a push-in cylinder 516, a plastic part top sleeve 518 and an assembly cylinder 517. The assembly seat 512 is installed on the machine 1. An assembly area is provided on the top of the assembly seat 512, and a penetrating assembly hole 521 is provided at the assembly area. A groove 520 connected to the assembly hole 521 is provided on the side of the assembly seat 512, and the groove 520 is connected to the end of the plastic part linear feeding channel 503 away from the plastic part vibration disk. A horizontal penetrating limiting groove is provided on the side of the assembly seat 512, and the limiting groove is connected to the assembly hole 521. The plastic part limiting plate 513 is horizontally slidably set in the limiting groove. A notch 522 is provided on the plastic part limiting plate, the plastic part limiting cylinder 514 is horizontally installed on the side of the assembly seat 512, and the piston rod of the plastic part limiting cylinder 514 is connected to the plastic part limiting plate 513, the assembly cylinder 517 is installed on the machine 1 and is located below the assembly seat 512, the piston rod of the assembly cylinder 517 is connected to the mounting seat 515, the top of the plastic part top sleeve 518 extends into the assembly hole 521, and the bottom is fixed on the mounting seat 515, the inner cavity profiling mold 519 is located in the plastic part top sleeve 518 and can slide vertically, the push-in cylinder 516 is vertically installed on the bottom of the mounting seat 515, and the piston rod of the push-in cylinder 516 passes through the mounting seat 515 and is connected to the inner cavity profiling mold 519 in the plastic part top sleeve 518.

[0047] Specifically, when assembling plastic parts and bolts, the bolt linear feeder assembly conveys the screw feed to the bolt receiving cavity 511 of the side cutting seat 510, and then the bolt transfer XY axis module 506 drives the assembly clamp cylinder 507 to move above the side cutting seat 510, and then the assembly clamp cylinder 507 descends, so that the assembly clamp cylinder 507 clamps the fixing bolt, and then the assembly clamp cylinder 507 rises, and the bolt transfer XY axis module 506 drives the assembly clamp cylinder 507 to move above the assembly seat 512, and the assembly clamp cylinder 507 descends so that the bolt is located in the assembly area. At the same time, the assembly clamp cylinder 507 remains clamped and motionless, and then the plastic part limit cylinder 514 is actuated to drive the plastic part limit plate 513 moves in the limit groove to upper limit the plastic part, then the push-in cylinder 516 is actuated to drive the inner cavity profiling mold 519 to rise and enter the screw, then the plastic part limit cylinder 514 is actuated again to make the notch 522 of the plastic part limit plate 513 completely located in the assembly hole 521, then the assembly cylinder 517 is actuated to drive the mounting plate and the plastic part push sleeve 518 to rise, and push the plastic part into the bolt to complete the assembly of the plastic part and the bolt, finally the plastic part push sleeve 518, the inner cavity profiling mold 519, and the plastic part limit plate 513 are restored to their original positions in turn, waiting for the next assembly, and the assembled plastic parts and bolts are grabbed by the equidistant handling module and transported to the corresponding carrier seat 4 on the indexing turntable 2.

[0048] Before assembling the plastic part and the nut, the plastic part is firstly upper-positioned, and then the inner cavity profiling mold 519 is inserted into the inner hole of the bolt to prevent the plastic part from being deformed when being nailed into the inner hole of the bolt. Then the plastic part is inserted into the bolt to complete the assembly of the plastic part and the bolt, and ensure that the two will not be damaged or deformed during assembly.

[0049] In this embodiment, the O-ring assembly mechanism 6 preferably includes an O-ring linear feeder assembly, a heating receiving seat 603 and an assembly detection device. The O-ring linear feeder assembly is connected to the heating receiving seat 603. The assembly detection device includes an O-ring transport XY axis module 605, a detection component and an assembly component. The movable lifting end of the O-ring transport XY axis module 605 is installed with a base plate 606. The detection component and the assembly component are respectively installed on both sides of the base plate 606. The assembly component includes a three-jaw cylinder 608, an ejection cylinder 607 and an O-ring push plate 609. The three-jaw cylinder 608 and the ejection cylinder 607 are vertically installed side by side on the base plate 606. The output end of the three-jaw cylinder 608 is installed with an inner support contour clamp 610. The O-ring push plate 609 is horizontally arranged and one end is connected to the piston rod of the ejection cylinder 607, and the other end is provided with a matching hole. The O-ring push plate 609 is mounted on the inner support contour clamp 610 through the matching hole.

[0050] Specifically, the O-ring linear feeder assembly conveys the O-ring material to the heated material receiving seat 603, and then the heated material receiving seat 603 heats the O-ring, and then the O-ring transporting XY-axis module 605 moves the three-jaw cylinder 608 down to above the heated material receiving seat 603, and then the inner support contour clamp 610 of the three-jaw cylinder 608 internally supports and clamps the O-ring, and then the O-ring transporting XY-axis module 605 drives the three-jaw cylinder 608 to move above the carrier seat 4 of the indexing turntable 2, and then the inner support contour clamp 610 is lowered to the bolt of the carrier seat 4, and then the push-out cylinder 607 is actuated to drive the push-out plate to descend, pressing down to push the O-ring so that the O-ring is pushed to the bottom of the bolt, completing the assembly of the O-ring, and then the O-ring transporting XY-axis module 605 moves the three-jaw cylinder 608 to the heated material receiving seat 603 for the next grabbing and assembly.

[0051] The O-ring assembly mechanism 6 can effectively prevent the O-ring from breaking when being grasped by the inner support by adopting a heated material receiving seat 603. At the same time, the assembly components adopt a structural form including a three-claw cylinder 608, an inner support contoured clamp 610, a push-out cylinder 607 and an O-ring push plate 609, which can effectively realize the grasping and pushing out assembly of the O-ring.

[0052] In this embodiment, the detection assembly preferably includes a detection cylinder 611, a fixed rod 613, a detection sleeve 614 and a laser displacement sensor 612, the detection cylinder 611 is vertically mounted on the base plate 606, the fixed rod 613 is mounted on the piston rod of the detection cylinder 611, the detection sleeve 614 is sleeved on the fixed rod 613, and the detection sleeve 614 is vertically slidably connected with the fixed rod 613 and is provided with an elastic member, and the laser displacement sensor 612 is mounted on the fixed rod 613 and directly facing the detection sleeve 614, and is used to monitor the displacement of the detection sleeve 614;

[0053] Specifically, after the O-ring is assembled on the bolt, the O-ring transporting XY-axis module 605 moves the detection assembly to above the bolt of the carrier seat 4 of the indexing turntable 2, and then the detection cylinder 611 is actuated to drive the fixed rod 613 to descend, driving the detection sleeve 614 to descend and sleeve on the bolt. When the detection sleeve 614 contacts the O-ring, due to the continuous action of the detection cylinder 611, the detection sleeve 614 will move upward relative to the fixed rod 613, and then the laser displacement sensor 612 will detect the displacement height of the detection sleeve 614, thereby determining whether the O-ring is installed in the specified position.

[0054] In this embodiment, preferably, a through waist-shaped groove 615 is provided on the side of the fixing rod 613, and a through mounting hole 616 is provided on the side of the detection sleeve 614. A horizontally arranged connecting rod 618 is provided in the waist-shaped groove 615, and both ends of the connecting rod 618 extend into the mounting hole 616. The elastic member is a detection spring 617 which is sleeved on the fixing rod 613, and one end of the elastic member abuts against the detection sleeve 614 and the other end abuts against the piston rod of the detection cylinder 611.

[0055] Specifically, when the detection sleeve 614 moves upward when it descends and contacts the O-ring, the detection spring 617 will be compressed. When the detection assembly returns to its original position and no longer detects, the detection spring 617 will release its elastic force, driving the detection sleeve 614 to move downward relative to the fixing rod 613 and return to its original position.

[0056] In this embodiment, the O-ring linear feeder assembly preferably includes an O-ring vibration plate and an O-ring linear feeding channel 602, the discharge port of the O-ring vibration plate is connected to one end of the O-ring linear feeding channel 602, a heating receiving chamber 604 is provided on the heating receiving seat 603, and the other end of the O-ring linear feeding channel 602 is connected to the heating receiving chamber 604 of the heating receiving seat 603;

[0057] Specifically, the O-rings are placed in batches on the O-ring vibration plate, and the O-rings are vibrated and loaded one by one into the O-ring linear feeding channel 602 . Then, the O-rings slowly move along the O-ring linear feeding channel 602 and finally enter the heating receiving chamber 604 of the heating receiving seat 603 .

[0058] Preferably in this embodiment, an O-ring feeding protective cover 601 is provided on the outer side of the O-ring vibration disk, and an O-ring feeding opening facing the O-ring vibration disk is provided on the top of the O-ring feeding protective cover 601; specifically, the O-ring feeding protective cover 601 is provided to protect the O-ring vibration disk to ensure the normal feeding operation of the O-ring vibration disk.

[0059] Preferably in this embodiment, the nut detection and pre-assembly mechanism 7 includes a nut linear feeder assembly, a material receiving and separation component, an NG visual inspection component and a nut installation component, the material receiving and separation component includes a material receiving and separation seat 703, a separation cylinder 704 and a separation frame 705, the material receiving and separation frame 705 is fixed on the machine table 1, the separation cylinder 704 is installed on the separation frame 705, the material receiving and separation seat 703 is horizontally slidably connected to the separation frame 705, and the material receiving and separation seat 703 is connected to the piston rod of the separation cylinder 704, and a material receiving and separation chamber 706 is provided on the material receiving and separation seat 703, and the material receiving and separation chamber 706 can be connected to the nut linear feeder assembly.

[0060] Preferably, in this embodiment, the nut linear feeder assembly includes a nut vibrating plate and a nut linear feeding channel 702, the discharge port of the nut vibrating plate is connected to one end of the nut linear feeding channel 702, and the material receiving and separating chamber 706 can be connected to one end of the nut linear feeding channel 702 away from the nut vibrating plate;

[0061] Specifically, the nuts are placed in batches into the nut vibration plate, and the nuts are fed into the nut linear feeding channel 702 one by one through the vibration of the nut vibration plate. Then the nuts slowly move along the nut linear feeding channel 702 and finally enter the material receiving and separation chamber 706, thereby realizing the feeding and feeding of the nuts.

[0062] Preferably in this embodiment, the outer side of the nut vibration disk is wrapped with a nut feeding protective cover 701, and the top of the nut feeding protective cover 701 is provided with a nut feeding opening facing the nut vibration disk; specifically, the nut vibration disk is protected by providing the nut feeding protective cover 701 to ensure the normal feeding operation of the nut vibration disk.

[0063] In this embodiment, the NG visual inspection component includes a detection camera 707, a blowing component and an NG collection bin 708. The detection camera 707, the blowing component and the NG collection bin 708 are all installed on the machine 1 and are all located on one side of the receiving and separating component. A collection port is opened on the top of the NG collection bin 708.

[0064] Specifically, when the nut linear feeder assembly conveys the nut loading to the material receiving and separation chamber 706 of the material receiving and separation seat 703, the separation cylinder 704 is actuated to drive the material receiving and separation seat 703 to move to a position facing the detection camera 707. Then the detection camera 707 performs a visual inspection on the nuts on the material receiving and separation seat 703. If they are qualified, the nut installation assembly grabs the nuts for installation. If they are unqualified, the blowing assembly blows the nuts off, causing the nuts to fall into the NG collection bin 708.

[0065] In this embodiment, preferably, the nut installation assembly includes a nut handling XY axis module 709, a pre-installed screw-in assembly and a nut clamping claw cylinder 712, and a base 715 is arranged on the moving lifting end of the nut handling XY axis module 709, and the pre-installed screw-in assembly includes a pre-installed servo motor 710, a pre-installed torque sensor 711, a pre-installed rotating rod 716 and a pre-installed profiling mold 714, and the servo motor, pre-installed torque sensor 711 and the nut clamping claw cylinder 712 are all installed on the base 715, and the pre-installed servo motor 710, pre-installed torque sensor 711, pre-installed rotating rod 716 and pre-installed profiling mold 714 are connected in sequence, and the output end of the nut clamping claw cylinder 712 is connected to the pre-installed nut clamping claw 713, and the pre-installed nut clamping claw 713 is located below the pre-installed profiling mold 714.

[0066] In this embodiment, preferably, the pre-installed profiling mold 714 is vertically slidably connected to the pre-installed rotating rod 716 and circumferentially fixed, and an elastic member is provided between the pre-installed profiling mold 714 and the pre-installed rotating rod 716 .

[0067] Preferably in this embodiment, a limiting boss 717 and a horizontally penetrating waist-shaped hole 718 are sequentially arranged below the pre-installed rotating rod 716, the pre-installed profiling mold 714 is sequentially provided with a penetrating accommodating hole 719 and a sleeve hole 720, and an anti-rotation hole 721 is arranged on the side, the pre-installed profiling mold 714 is sleeved on the bottom of the pre-installed rotating rod 716 through the sleeve hole 720, and an accommodating cavity is formed between the limiting boss 717 and the accommodating hole 719, the elastic member is a pre-installed spring 723, and the pre-installed spring 723 is located in the accommodating cavity, a horizontally arranged anti-rotation rod 722 is arranged in the waist-shaped hole 718, and the two ends of the anti-rotation rod 722 are respectively inserted into the anti-rotation holes 721 on both sides.

[0068] Specifically, when the nut is qualified in the detection of the detection camera 707, the nut transporting XY axis module 709 drives the pre-installed screw-in component to move and descend to the nut, so that the profiling mold presses down to tighten the nut, and then the nut clamping claw cylinder 712 drives the pre-installed nut clamping claw 713 to clamp the nut, and then the nut transporting XY axis module 709 drives the pre-installed screw-in component and the nut clamping claw cylinder 712 to move and descend to the bolt on the carrier seat 4 of the indexing turntable 2, and then the pre-installed nut clamping claw 713 of the nut clamping claw cylinder 712 loosens the nut, and then the pre-installed servo motor 710 is started, and the pre-installed profiling mold 714 is driven to rotate through the pre-installed torque sensor 711 and the pre-installed rotating rod 716, so that the nut is pre-installed on the bolt. When screwing in, the pre-installed servo motor 710 first reverses to align the nut with the first starting thread of the bolt, and then rotates forward to turn the nut to the specified pre-tightening position, and finally completes the pre-installation of the nut and the bolt.

[0069] The pre-installed screw-in component is provided with a pre-installed servo motor 710, a pre-installed torque sensor 711, a pre-installed rotating rod 716 and a pre-installed profiling mold 714. The pre-installed torque sensor 711 detects the pre-installed locking torque of the nut and the bolt, and the servo motor provides torque for the pre-installation of the nut while receiving feedback from the pre-installed torque sensor 711 for real-time control. The profiling mold is vertically slidably connected to the rotating rod and an elastic member is provided, so that the profiling mold can press the nut under the elastic force of the elastic member, thereby facilitating the rotation of the nut.

[0070] In this embodiment, preferably, the nut position adjustment mechanism 8 includes an adjustment bracket 801, an adjustment cylinder 802 and an adjustment screw-in assembly, the adjustment bracket 801 is installed on the machine 1, the adjustment cylinder 802 is installed on the adjustment bracket 801, the piston rod of the adjustment cylinder 802 is connected to a movable plate 803, the adjustment screw-in assembly is installed on the movable plate 803, the adjustment screw-in assembly includes an adjustment servo motor 804, an adjustment torque sensor 805, an adjustment rotating rod 809 and an adjustment profiling mold 807, and its installation and connection structure is consistent with the pre-installed screw-in assembly, and an adjustment contact displacement sensor 806 is also provided on the movable plate 803, and a contact structure is provided on the outer side of the adjustment profiling mold 807, and the contact detection end of the adjustment contact displacement sensor 806 is in contact with the contact structure, the adjustment profiling mold 807 is vertically slidably connected to the adjustment rotating rod 809 and is circumferentially fixed, and an elastic member is provided between the adjustment profiling mold 807 and the adjustment rotating rod 809.

[0071] Specifically, after the nut is pre-installed, it rotates with the dividing turntable 2 to the nut position adjustment mechanism 8, and the adjustment cylinder 802 is actuated to drive the movable plate 803 to descend, so that the adjustment profiling mold 807 contacts and tightens the nut. After the entire profiling mold contacts the nut, it rises and displaces, and is detected by the adjustment contact displacement sensor. Subsequently, the position state of the nut detected by the adjustment contact displacement sensor is fed back to the adjustment servo motor 804, which drives the servo motor to rotate, adjust the position of the nut on the bolt, and complete the overall screw-in installation of the nut.

[0072] Preferably in this embodiment, a limiting convex ring and a horizontally penetrating sliding waist hole are sequentially arranged below the adjusting rotating rod 809, a penetrating sleeve hole is arranged on the adjusting profiling mold 807 and an anti-rotation mounting hole 616 is arranged on the side, the adjusting profiling mold 807 is sleeved on the bottom of the adjusting rotating rod 809 through the sleeve hole, a horizontally arranged anti-rotation mounting rod is arranged in the sliding waist hole, and both ends of the anti-rotation mounting rod are respectively inserted into the anti-rotation mounting holes 616 on both sides.

[0073] In this embodiment, the elastic member is preferably an adjustment spring, which is sleeved on the outside of the adjustment rotating rod 809 and has a top in contact with and abuts against a limiting convex ring, and a bottom in contact with and abuts against an adjustment profiling mold 807 .

[0074] Preferably, in this embodiment, the contact structure is a contact ring 808 , and the contact ring 808 is fixed to the outside of the adjustment profiling mold 807 , and the contact detection end of the adjustment contact displacement sensor 806 is in contact and connected with the contact ring 808 .

[0075] Preferably in this embodiment, the bolt riveting mechanism 9 includes a riveting frame 901, a riveting cylinder 902, a riveting seat 903 and a rivet head 906, the riveting frame 901 is installed on the machine 1, the riveting cylinder 902 is installed on the riveting frame 901, the riveting seat 903 is vertically slidably connected to the riveting frame 901, and the riveting seat 903 is connected to the output end of the riveting cylinder 902, the rivet head 906 is installed at the bottom of the riveting seat 903, and a positioning mechanism is provided between the riveting seat 903 and the indexing turntable 2.

[0076] In this embodiment, preferably, a plurality of guide sleeves 905 are provided on the riveting frame 901, and a plurality of guide pillars 904 are provided on the riveting seat 903, and the plurality of guide pillars 904 extend into the guide sleeves 905 respectively, thereby realizing a vertical sliding connection between the riveting seat 903 and the riveting frame 901 and enabling precise downward pressing.

[0077] Preferably in this embodiment, the positioning mechanism includes a plurality of positioning columns 907, and the plurality of positioning columns 907 are installed at the bottom of the riveting seat. Positioning holes 14 are provided on both sides of the carrier seat 4 on the dividing turntable 2. When the riveting seat descends, the positioning columns 907 can extend into the positioning holes 14 to position and limit the dividing turntable 2.

[0078] Preferably, in this embodiment, the riveting cylinder 902 is a gas-liquid booster cylinder.

[0079] Specifically, when riveting bolts and nuts, the riveting cylinder 902 is started, driving the riveting seat 903 to descend, and then the positioning column 907 is extended into the positioning hole 14 to position and limit the dividing turntable 2, and then the rivet head 906 presses down the bolt, pressing the bolt thread to the required deformation state to prevent the nut from detaching, completing the riveting, and then the riveting seat 903 rises, and the components return to their original positions.

[0080] In this embodiment, preferably, the nut docking height detection mechanism 10 includes a docking detection frame 1001, a docking detection cylinder 1002, a docking detection seat 1003, a diagonal detection component and a docking angle adjustment component, the docking detection frame 1001 is installed on the machine 1, the docking detection seat 1003 is vertically slidably connected to the docking detection frame 1001, the docking detection cylinder 1002 is installed on the docking detection frame 1001, and the piston rod of the docking detection cylinder 1002 is connected to the docking detection seat 1003, the docking angle adjustment component includes an adjustment servo motor 1004, a transmission component, a docking fixed seat 1007 and a docking rotating seat 1008, the adjustment servo motor 1004 and the docking fixed seat 1007 are installed on the docking detection seat 1003, the docking rotating seat 1008 is rotatably connected to the docking fixed seat 1007, the diagonal detection component is installed on the docking rotating seat 1008, and the transmission assembly is respectively connected to the main shaft of the docking rotating seat 1008 and the adjustment servo motor 1004.

[0081] Preferably in this embodiment, the transmission assembly includes a driving gear 1005 and a driven gear 1006, the driving gear 1005 is installed on the main shaft of the adjustment servo motor 1004, and the driven gear 1006 is installed on the docking rotating seat 1008 and meshes with the driving gear 1005, thereby realizing transmission.

[0082] In this embodiment, preferably, the diagonal detection component includes two opposing contact displacement sensors 1009, and the two opposing contact displacement sensors 1009 are diagonally distributed on the docking rotating seat 1008, and the contact detection ends of the two opposing contact displacement sensors 1009 are located below the docking rotating seat 1008; thereby realizing diagonal height detection of the nut.

[0083] Preferably in this embodiment, the docking detection frame 1001 is provided with a docking slide rail, and the docking detection seat 1003 is provided with a docking slider, and the docking slider cooperates with the docking slide rail to achieve a vertical sliding connection between the docking detection seat 1003 and the docking detection frame 1001.

[0084] Specifically, when detecting the docking height of the nut, the servo motor is started first, and according to the starting position of the nut adjusted by the nut position adjustment mechanism 8, the docking rotating seat 1008 is controlled to rotate, so that the diagonal detection component is rotated to the detection angle position corresponding to the nut, and then the docking detection cylinder 1002 is actuated to drive the docking detection seat 1003 to descend, so that the two opposing contact displacement sensors 1009 of the diagonal detection component respectively detect the two diagonal positions of the nut to measure whether the docking height of the nut is qualified.

[0085] In this embodiment, preferably, the finished product unloading mechanism 11 includes a unloading rack 1101, an unloading XY axis module 1102, an unloading claw cylinder 1103 and a unloading bin 1105, the unloading rack 1101 is installed on the machine 1, the unloading XY axis module 1102 is installed on the unloading rack 1101, the piston rod of the unloading claw cylinder 1103 is installed on the moving lifting end of the unloading XY axis module 1102, the output end of the unloading claw cylinder 1103 is connected with a unloading contouring claw 1104, the unloading bin 1105 is installed on the machine 1 and is located on one side of the dividing turntable 2, a unloading port 1106 is provided at the top of the unloading bin 1105, and the bottom of the unloading bin 1105 passes through the machine 1 and is connected with a discharge pipe 1107.

[0086] Preferably, in this embodiment, the indexing turntable 2 includes a cam divider and a rotating table, the cam divider is mounted on the machine platform 1, the rotating table is mounted on the cam divider, and the carrier seat 4 is arranged on the rotating table.

[0087] In this embodiment, preferably, a fixed table 3 is provided on the inner side above the rotating table, and the fixed table 3 is fixedly connected to the machine table 1. A carrier loosening device is provided on the fixed table 3 corresponding to the plastic parts and bolt assembly mechanism 5 and the finished product unloading mechanism 11. A carrier jacking device is provided on the fixed table 3 corresponding to the nut detection and pre-assembly mechanism 7 and the nut position adjustment mechanism 8. The carrier loosening device includes a loosening cylinder 12 and a loosening hook plate 13. The loosening cylinder 12 is fixed on the fixed table 3, and the loosening hook plate 13 is connected to the piston rod of the loosening cylinder 12. The carrier jacking device includes a jacking cylinder 15 and a jacking column Head 16, the tightening cylinder 15 is fixed on the fixed platform 3, the tightening column head 16 is installed on the piston rod of the tightening cylinder 15, the carrier seat 4 is provided with a clamping block 401 on the side facing the fixed platform 3, the clamping block 401 is horizontally slidably connected with the carrier seat 4, the carrier cavity 406 is located between the clamping block 401 and the carrier cavity 406, the clamping block 401 is provided with a matching plate 402 on the side facing the fixed platform 3, the tightening column head 16 can support the matching plate 402 to achieve the clamping of the clamping block 401, and the release hook plate 13 can hook the matching plate 402 to achieve the release of the clamping block 401.

[0088] Preferably in this embodiment, a sliding groove is provided on the side of the carrier seat 4 facing the fixed platform 3, a plurality of guide sliding rods are provided in the sliding groove, a guide sliding hole is provided on the clamping block 401, the clamping block 401 is located in the sliding groove, the guide sliding rod passes through the guide sliding hole and a limiting clamping plate 403 is provided, thereby realizing a horizontal sliding connection between the clamping block 401 and the carrier seat 4, and they will not detach.

[0089] Preferably, in this embodiment, the opposite sides of the carrier seat 4 and the clamping block 401 are respectively provided with an arc groove, and the two arc grooves are combined to form a carrier cavity 406 .

[0090] In this embodiment, preferably, the rotating table is located below the plastic parts and bolt assembly mechanism 5, the O-ring assembly mechanism 6, the nut detection and pre-assembly mechanism 7, the nut position adjustment mechanism 8, the bolt riveting mechanism 9, the nut docking height detection mechanism 10 and the finished product unloading mechanism 11, and a carrier reference column 17 is provided. The carrier seat 4 is vertically slidably connected to the rotating table and is provided with a sliding limit structure. The carrier reference column 17 can drive the carrier seat 4 to rise and support the carrier seat 4 to rise. After the rotating table moves to the carrier reference column 17, the carrier reference column 17 can lift the carrier seat 4 by 1 mm to avoid being affected by the horizontal runout accuracy of the rotating table when each mechanism is working, thereby ensuring that each mechanism works accurately and effectively.

[0091] In this embodiment, preferably, a plurality of limiting slide columns 404 are provided on the rotating table at the carrier seat 4, a plurality of sliding holes are provided on the carrier seat 4, the limiting slide columns 404 are fixed on the rotating table, and the limiting slide columns 404 pass through the sliding holes and are connected to the limiting circular table 405, the carrier seat 4 is fixedly connected with a receiving column 407, and the receiving column 407 is located below the carrier cavity 406, and a through hole is provided on the rotating table at the carrier seat 4, the receiving column 407 passes through the through hole and can cooperate with the carrier reference column 17 to realize the overall rise of the carrier seat 4 by 1 mm.

[0092] The above is only a preferred embodiment of the present invention. The protection scope of the present invention is not limited to the above embodiments. All technical solutions under the concept of the present invention belong to the protection scope of the present invention. It should be pointed out that for ordinary technicians in this technical field, some improvements and modifications without departing from the principle of the present invention should also be regarded as the protection scope of the present invention.

Claims

1. A bolt riveting mechanism, characterized in that: It is installed on one side of the indexing turntable and includes a riveting frame, a riveting cylinder, a riveting seat and a rivet cutter head. The riveting cylinder is installed on the riveting frame, the riveting seat is vertically slidably connected to the riveting frame, and the riveting seat is connected to the output end of the riveting cylinder. The rivet cutter head is installed at the bottom of the riveting seat, and a positioning mechanism is provided between the riveting seat and the indexing turntable, and a carrier seat is provided on the indexing turntable.

2. The bolt riveting mechanism according to claim 1, characterized in that: A carrier reference column is arranged below the indexing turntable at the bolt riveting mechanism, the carrier seat is vertically slidably connected to the indexing turntable and is provided with a sliding limit structure, and the carrier reference column can drive the carrier seat to rise and support the carrier seat to rise.

3. The bolt riveting mechanism according to claim 2, characterized in that: A plurality of limit slides are arranged on the indexing turntable at the carrier seat, a plurality of sliding holes are arranged on the carrier seat, the limit slides are fixed on the indexing turntable, and the limit slides pass through the sliding holes and are connected to the limit circular table, the carrier seat is fixedly connected with a receiving column, the indexing turntable is provided with a through hole at the carrier seat, the receiving column passes through the through hole and can cooperate with the carrier reference column.

4. The bolt riveting mechanism according to claim 1, characterized in that: The positioning mechanism includes a plurality of positioning columns, which are installed at the bottom of the riveting seat. Positioning holes are provided on both sides of the carrier seat on the indexing turntable, and the positioning columns can extend into the positioning holes to achieve positioning and limiting.

5. The bolt riveting mechanism according to claim 1, characterized in that: The pressure riveting frame is provided with a plurality of guide sleeves, and the pressure riveting seat is provided with a plurality of guide pillars, and the plurality of guide pillars extend into the guide sleeves respectively.

6. The bolt riveting mechanism according to claim 1, characterized in that: The riveting cylinder is a gas-liquid pressurized cylinder.

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