Automatic assembly device for shock absorber CDC assembly

Abstract

The application discloses a shock absorber CDC assembly automatic assembling device and relates to the technical field of automobile part assembling. The device comprises a machine body, a first support frame fixedly connected to the top of the machine body, a conveying mechanism arranged in the machine body and used for automatically conveying the shock absorber CDC assembly, a clamping mechanism arranged on the conveying mechanism and used for clamping and fixing the shock absorber CDC assembly in conveying, and a limiting mechanism. The device realizes automatic conveying of the assembly through the conveying mechanism, realizes double clamping of 'pre-fixing and accurate positioning' through the clamping mechanism and the limiting mechanism, exposes the part to be assembled through the pressing mechanism, completes bolt / nut fastening through the assembling mechanism, and realizes qualified screening through the infrared detector. The device realizes full-process automatic assembling of the CDC assembly, effectively shortens the assembling rhythm, improves the assembling qualified rate, greatly reduces the labor cost and labor intensity, and meets the large-scale and high-precision production demand of the automobile industry.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of automobile parts assembly, in particular to an automatic assembly device for CDC components of shock absorbers. BACKGROUND

[0002] With the continuous development of the automobile industry, the requirements for the driving comfort and control stability of automobiles are increasing, and the CDC shock absorber, as an advanced automobile suspension system component, can adjust the damping force in real time according to the road conditions and driving conditions, thereby significantly improving the driving performance of the vehicle. However, the core component CDC component of the CDC shock absorber has a complex structure, and its assembly process involves the accurate installation and debugging of multiple precision parts, which requires high assembly precision and efficiency.

[0003] At present, the traditional CDC component assembly method mainly relies on manual operation. Manual assembly is not only inefficient and difficult to meet the needs of large-scale production, but also has uneven assembly quality due to human factors, which can easily lead to unstable product performance. In addition, manual assembly also has problems such as high labor intensity, high labor cost, and low production safety. With the rapid development of the automobile industry and the increasingly fierce market competition, it has become a key problem in the industry to develop an efficient, precise, and reliable automatic CDC component assembly device. SUMMARY

[0004] The automatic CDC component assembly device for shock absorbers proposed in the present application solves the above-mentioned deficiencies in the prior art.

[0005] In order to achieve the above-mentioned purposes, the present application adopts the following technical solutions:

[0006] An automatic CDC component assembly device for shock absorbers, comprising a machine body and a first support frame fixedly connected to the top of the machine body, further comprising:

[0007] A conveying mechanism in the interior of the machine body for automatically conveying the CDC components of shock absorbers;

[0008] A clamping mechanism on the conveying mechanism for clamping and fixing the CDC components of shock absorbers in conveying;

[0009] A limiting mechanism on one side of the top of the machine body for limiting and clamping the CDC components of shock absorbers during assembly;

[0010] A pressing mechanism on the top of the first support frame for pressing and moving the CDC components of shock absorbers during assembly;

[0011] An assembly mechanism on the top of the first support frame and located on one side of the pressing mechanism for assembling the CDC components of shock absorbers.

[0012] Further, the conveying mechanism comprises a driving roller and a driven roller which are symmetrically connected to the inside of the body, two sides of the driving roller are fixedly connected with driving sprockets, two sides of the driven roller are fixedly connected with driven sprockets, the inside of the body is arrayedly connected with a plurality of auxiliary rods, two sides of the plurality of auxiliary rods are fixedly connected with auxiliary sprockets, and the driving sprockets are in meshing transmission connection with the driven sprockets and the auxiliary sprockets through the same conveying chain.

[0013] Further, the clamping mechanism comprises a balance frame which is fixedly connected to the conveying chain, the bottom of the balance frame is fixedly connected with fixed blocks, a double-headed threaded rod is rotatably connected between the two fixed blocks, the two ends of the double-headed threaded rod are threadedly connected with first moving plates, two swing arms are hingedly connected to the two first moving plates, respectively, one ends of the two swing arms are rotatably connected with first arc-shaped clamping plates, respectively, and the two first arc-shaped clamping plates are rotatably connected with the top of the balance frame, respectively.

[0014] Further, a worm wheel is fixedly connected to the double-headed threaded rod, a first motor is fixedly connected to the bottom of the balance frame, a worm is fixedly connected to the output end of the first motor, one side of the worm is in meshing transmission with the worm wheel, first guide rods are fixedly connected to opposite sides of the two fixed blocks, respectively, first threaded holes and first guide holes are formed in the first moving plates, respectively, the two ends of the double-headed threaded rod are threadedly sleeved in the first threaded holes, respectively, and the first guide rods are movably sleeved in the first guide holes, respectively.

[0015] Further, the limiting mechanism comprises first fixed frames which are fixedly connected to the top of the body, second fixed frames are fixedly connected to the two first fixed frames, respectively, push rod motors are fixedly connected to the tops of the two second fixed frames, respectively, and second arc-shaped clamping plates are fixedly connected to the output ends of the two push rod motors, respectively.

[0016] Further, the pressing mechanism comprises a first threaded rod which is rotatably connected to the first support frame, a second moving plate is threadedly connected to the first threaded rod, the bottom of the second moving plate is fixedly connected with two slide rods, symmetrically, the bottom of the two slide rods is fixedly connected with a same pressing plate, a second guide rod is fixedly connected to the top of the first support frame, second threaded holes and second guide holes are formed in the second moving plate, respectively, the first threaded rod is threadedly sleeved in the second threaded holes, the second guide rod is movably sleeved in the second guide holes, the bottom of the first threaded rod is fixedly connected with a first bevel gear, the bottom of the first support frame is fixedly connected with a second motor, the output shaft of the second motor is fixedly connected with a second bevel gear, and one side of the second bevel gear is in meshing transmission with the first bevel gear.

[0017] Further, the assembling mechanism comprises a connecting frame fixedly connected with the bottom of the first supporting frame, a first linkage rod is rotatably connected to the connecting frame, an outer threaded sleeve is movably sleeved on the first linkage rod, the top of the outer threaded sleeve is rotatably connected with the second moving plate, a first limiting block is fixedly connected to the inside of the outer threaded sleeve, a first limiting groove is formed on the outside of the first linkage rod corresponding to the first limiting block, the first limiting block is movably sleeved in the first limiting groove, a third moving plate is threadedly connected to the outer threaded sleeve, a driven rod is rotatably connected to one side of the third moving plate, a fastening sleeve is fixedly connected to the bottom of the driven rod, an extrusion assembling plate is fixedly connected to one side of the bottom of the third moving plate, a plurality of through holes are arrayed on the extrusion assembling plate.

[0018] Further, the third moving plate is provided with a through hole corresponding to each of the two slide rods, and the two slide rods are movably sleeved in the corresponding through holes, a resistance spring is fixedly connected between the third moving plate and the pressing plate, and the two slide rods are movably penetrated into the resistance spring, a first sleeve is rotatably connected to the top of the outer threaded sleeve corresponding to the top of the second moving plate, a first gear is fixedly connected to the first sleeve, a second limiting block is fixedly connected to the inside of the first sleeve, the second limiting block is movably sleeved in the first limiting groove, a circular truncated cone guide block is fixedly connected to the top of the first linkage rod, a guide groove is formed in the circular truncated cone guide block corresponding to the first limiting groove, and the circular truncated cone guide block is movably penetrated into the outer threaded sleeve and the first sleeve.

[0019] Further, a driven gear is fixedly connected to the top of the driven rod, a second linkage rod is rotatably connected to the top of the third moving plate, a first transmission gear is fixedly connected to the lower portion of the second linkage rod corresponding to the driven gear, the driven gear is meshed and driven on one side of the first transmission gear, a second sleeve is rotatably connected to the top of the second moving plate corresponding to the second linkage rod, a second gear is fixedly connected to the second sleeve corresponding to the first gear, the second gear is meshed and driven with the first gear, a third limiting block is fixedly connected to the inside of the second sleeve, a second limiting groove is formed on the second linkage rod corresponding to the third limiting block, and the third limiting block is movably sleeved in the second limiting groove, a third motor is fixedly connected to one side of the connecting frame, a driving gear is fixedly connected to the output shaft of the third motor, a second transmission gear is fixedly connected to the bottom of the first linkage rod corresponding to the driving gear, and the second transmission gear is meshed and driven with the driving gear.

[0020] Further, the outside of the body is fixedly connected with a plurality of mounting tables and a control panel, the mounting tables are used for mounting mechanical arms, the other side of the body is provided with a component placing box, the inner side of the first supporting frame is fixedly connected with a plurality of infrared detectors in symmetry, and the infrared detectors are used for qualified detection of the assembled shock absorber.

[0021] Compared with the prior art, the present application has the following advantages:

[0022] 1. The present application realizes "feeding-conveying-positioning-pressing-assembly" of the shock absorber CDC assembly through the installation of the conveying mechanism, the clamping mechanism, the limiting mechanism, the pressing mechanism and the assembly mechanism, without manual intervention, shortens the assembly time of the workpiece, improves the assembly yield, and meets the needs of the automotive factory beat production;

[0023] 2. The present application realizes "positioning-pressing-assembly-detection" through the installation of the "clamping mechanism pre-fixing + limiting mechanism accurate positioning" assembly mechanism torque control (±2N・m) and infrared detection (±0.01mm), thereby improving the yield of finished products, replacing manual tools such as pressing plate and fastening sleeve, workers only need to replenish materials and inspect equipment, reducing labor intensity, eliminating safety hazards such as tool injury and heavy lifting, the infrared detector and the control system are linked to record the assembly parameters of each product, realizing product quality traceability and facilitating production process optimization;

[0024] In summary, the device not only realizes automatic conveying of components through the conveying mechanism, but also realizes double clamping of "pre-fixing + accurate positioning" through the clamping mechanism and the limiting mechanism, exposes the assembly part through the pressing mechanism, completes the bolt / nut fastening through the assembly mechanism, and realizes qualified screening through the infrared detector. The device realizes automatic assembly of the CDC assembly in the whole process, effectively shortens the assembly beat, improves the assembly yield, greatly reduces the labor cost and labor intensity, and meets the large-scale and high-precision production needs of the automotive industry. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 It is a whole first overhead perspective structure schematic diagram of the automatic assembly device for the shock absorber CDC assembly proposed by the present application;

[0026] Figure 2 It is a whole second overhead perspective structure schematic diagram of the automatic assembly device for the shock absorber CDC assembly proposed by the present application;

[0027] Figure 3 It is a top view perspective structure schematic diagram of the conveying mechanism of the automatic assembly device for the shock absorber CDC assembly proposed by the present application;

[0028] Figure 4A partial top view of a pressing mechanism of an automatic assembling device for a CDC component of a shock absorber according to the present application is shown in the figure;

[0029] Figure 5 A partial structure of a pressing mechanism of an automatic assembling device for a CDC component of a shock absorber according to the present application and a bottom view of an infrared detector are shown in the figure;

[0030] Figure 6 A top view of a limiting mechanism of an automatic assembling device for a CDC component of a shock absorber according to the present application is shown in the figure;

[0031] Figure 7 A top view of a clamping mechanism of an automatic assembling device for a CDC component of a shock absorber according to the present application is shown in the figure;

[0032] Figure 8 A top view of the meshing of a second gear and a first gear of an automatic assembling device for a CDC component of a shock absorber according to the present application is shown in the figure;

[0033] Figure 9 A partial top view of an assembling mechanism of an automatic assembling device for a CDC component of a shock absorber according to the present application is shown in the figure;

[0034] Figure 10 A top view of a first connecting rod and a circular table guide block of an automatic assembling device for a CDC component of a shock absorber according to the present application is shown in the figure;

[0035] Figure 11 A bottom view of a clamping mechanism of an automatic assembling device for a CDC component of a shock absorber according to the present application is shown in the figure;

[0036] Figure 12 A bottom view of an external thread sleeve and an extrusion assembling plate of an automatic assembling device for a CDC component of a shock absorber according to the present application is shown in the figure;

[0037] Figure 13 A bottom view of a pressing mechanism of an automatic assembling device for a CDC component of a shock absorber according to the present application is shown in the figure.

[0038] In the figure: 1, the body; 2, conveying mechanism; 201, drive roller; 202, driven roller; 203, drive sprocket; 204, driven sprocket; 205, auxiliary rod; 206, auxiliary sprocket; 207, conveying chain; 3, clamping mechanism; 301, balance frame; 302, fixed block; 303, double-threaded rod; 304, first moving plate; 305, swing arm; 306, first arc-shaped clamping plate; 307, worm gear; 308, first motor; 309, worm; 310, first guide rod; 4, limiting mechanism; 401, first fixed frame; 402, second fixed frame; 403, push rod motor; 404, second arc-shaped clamping plate; 5, first support frame; 6, pressure applying mechanism; 601, first threaded rod; 602, second moving plate; 603, sliding rod; 604, pressure plate; 605, resistance spring; 606, first bevel gear; 607, second motor; 608, second bevel gear; 609, second guide rod; 7, assembly mechanism; 701, connecting frame; 702, first connecting rod; 703, externally threaded sleeve; 704, third moving plate; 705, driven rod; 706, fastening sleeve; 707, extrusion assembly plate; 708, second connecting rod; 709, first transmission gear; 710, driven gear; 711, second sleeve; 712, second gear; 713, first sleeve; 714, first gear; 715, third motor; 716, drive gear; 717, second transmission gear; 718, circular truncated cone guide block; 8, mounting table; 9, component placing box; 10, infrared detector. DETAILED DESCRIPTION

[0039] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, not all the embodiments.

[0040] In the description of the present application, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0041] Embodiment, refer to Figures 1-13 : An automatic assembly device for CDC components of a shock absorber, comprising a body 1 and a first support frame 5 fixedly connected to the top of the body 1, further comprising a conveying mechanism 2, a clamping mechanism 3, a limiting mechanism 4, a pressure applying mechanism 6 and an assembly mechanism 7;

[0042] In the application, the conveying mechanism 2 comprises a driving roller 201 and a driven roller 202 which are symmetrically connected to rotate with the inside of the body 1, the driving roller 201 is fixedly connected with driving sprockets 203 on both sides, the driven roller 202 is fixedly connected with driven sprockets 204 on both sides, a plurality of auxiliary rods 205 are arrayed and connected to rotate with the inside of the body 1, the plurality of auxiliary rods 205 are fixedly connected with auxiliary sprockets 206 on both sides, and the same conveying chain 207 is in meshing transmission connection between the driving sprockets 203 and the driven sprockets 204 and the auxiliary sprockets 206 on the outside.

[0043] Working principle: the driving roller 201 starts to drive the rotation of the driving sprockets 203, thereby driving the circumferential movement of the conveying chain 207 around the driven sprockets 204 and the auxiliary sprockets 206.

[0044] In the application, the clamping mechanism 3 comprises a balance frame 301 fixedly connected with the conveying chain 207, the bottom of the balance frame 301 is fixedly connected with fixed blocks 302, a double-headed threaded rod 303 is connected to rotate between the two fixed blocks 302, first moving plates 304 are threadedly connected to the two ends of the double-headed threaded rod 303, swing arms 305 are hingedly connected to the two first moving plates 304, first arc-shaped clamping plates 306 are rotatably connected to the other ends of the two swing arms 305, the two first arc-shaped clamping plates 306 are rotatably connected to the top of the balance frame 301, the circumferential movement of the conveying chain 207 drives the balance frame 301 to move synchronously, the circumferential movement of the balance frame 301 drives the shock absorber CDC assembly to be automatically conveyed, a worm gear 307 is fixedly connected to the double-headed threaded rod 303, a first motor 308 is fixedly connected to the bottom of the balance frame 301, a worm 309 is fixedly connected to the output end of the first motor 308, the side of the worm 309 is in meshing transmission with the worm gear 307, first guide rods 310 are fixedly connected to the opposite sides of the two fixed blocks 302, first threaded holes and first guide holes are formed in the first moving plates 304, the two ends of the double-headed threaded rod 303 are threadedly sleeved in the first threaded holes, and the first guide rods 310 are movably sleeved in the first guide holes.

[0045] Working principle: the first motor 308 starts to drive the rotation of the worm 309, and at the same time drives the synchronous rotation of the worm gear 307, the rotation of the worm gear 307 drives the synchronous rotation of the double-headed threaded rod 303, the rotation of the double-headed threaded rod 303 drives the first moving plates 304 on both sides to move stably along the first guide rods 310, and at the same time drives the swing arms 305 to swing, the swinging of the swing arms 305 drives the first arc-shaped clamping plates 306 to swing, thereby clamping and fixing the shock absorber assembly placed between the two first arc-shaped clamping plates 306.

[0046] The limiting mechanism 4 comprises first fixed frames 401 fixedly connected with the top of the machine body 1, second fixed frames 402 fixedly connected with the first fixed frames 401 respectively, push rod motors 403 fixedly connected with the top of the second fixed frames 402 respectively, and second arc-shaped clamping plates 404 fixedly connected with the output end of the push rod motors 403 respectively.

[0047] Working principle: the push rod motor 403 drives the second arc-shaped clamping plate 404 to move, so as to clamp and limit the shock absorber assembly between the two second arc-shaped clamping plates 404.

[0048] In the application, the pressing mechanism 6 comprises a first threaded rod 601 rotatably connected with the first support frame 5, a second moving plate 602 threadedly connected with the first threaded rod 601, two slide rods 603 fixedly connected with the bottom of the second moving plate 602 symmetrically, a same pressing plate 604 fixedly connected with the bottom of the two slide rods 603, a second guide rod 609 fixedly connected with the top of the first support frame 5, a second threaded hole and a second guide hole respectively formed in the second moving plate 602, the first threaded rod 601 threadedly sleeved in the second threaded hole, the second guide rod 609 movably sleeved in the second guide hole, a first bevel gear 606 fixedly connected with the bottom of the first threaded rod 601, a second motor 607 fixedly connected with the bottom of the first support frame 5, a second bevel gear 608 fixedly connected with the output shaft of the second motor 607, and the second bevel gear 608 meshingly driven with the first bevel gear 606 on one side.

[0049] Working principle: the second motor 607 drives the rotation of the second bevel gear 608, and the second bevel gear 608 is meshingly driven with the first bevel gear 606, so as to drive the rotation of the first threaded rod 601, the second moving plate 602 is driven to move along the second guide rod 609 through the rotation of the first threaded rod 601, so as to drive the synchronous movement of the slide rods 603 and the pressing plate 604, and when the pressing plate 604 moves downward, the shock absorber assembly is pressed downward, so that the upper end of the connecting rod of the shock absorber is exposed.

[0050] It is worth mentioning that: when the second moving plate 602 moves downward, the first connecting rod 702 penetrates the inside of the outer threaded sleeve 703 and enters the inside of the first sleeve 713, the second limiting block is guided by the circular truncated cone guide block 718, so that the second limiting block smoothly enters the first limiting groove, so that the first connecting rod 702 drives the first sleeve 71 to rotate synchronously when the first connecting rod 702 rotates.

[0051] In the application, the assembling mechanism 7 comprises a connecting frame 701 fixedly connected with the bottom of the first supporting frame 5, a first connecting rod 702 rotatably connected with the connecting frame 701, an outer threaded sleeve 703 movably sleeved on the first connecting rod 702, the top of the outer threaded sleeve 703 being rotatably connected with the second moving plate 602, the inner part of the outer threaded sleeve 703 being fixedly connected with a first limiting block, a first limiting groove being formed on the outer part of the first connecting rod 702 corresponding to the first limiting block, the first limiting block being movably sleeved in the first limiting groove, a third moving plate 704 being threadedly connected with the outer threaded sleeve 703, a driven rod 705 being rotatably connected with one side of the third moving plate 704, a fastening sleeve 706 being fixedly connected with the bottom of the driven rod 705, an extrusion assembling plate 707 being fixedly connected with the bottom of the third moving plate 704, a plurality of through holes being arrayed on the extrusion assembling plate 707.

[0052] Working principle: the first connecting rod 702 rotates to drive the outer threaded sleeve 703 to rotate synchronously, the rotation of the outer threaded sleeve 703 drives the third moving plate 704 to move along the slide rod 603, and at the same time drives the extrusion assembling plate 707 and the fastening sleeve 706 to move, the fastening nut is clamped through the movement of the fastening sleeve 706, and the spring used for assembling the shock absorber is extruded downward through the downward movement of the extrusion assembling plate 707, so that the installation and fastening treatment of the nut are facilitated.

[0053] In the application, through holes are formed on the third moving plate 704 corresponding to the two slide rods 603, the two slide rods 603 are movably sleeved in the corresponding through holes, a resistance spring 605 is fixedly connected between the third moving plate 704 and the pressing plate 604, the two slide rods 603 are movably penetrated through the inner parts of the two resistance springs 605, a first sleeve 713 is rotatably connected with the top of the outer threaded sleeve 703 corresponding to the top of the outer threaded sleeve 703, a first gear 714 is fixedly connected with the first sleeve 713, a second limiting block is fixedly connected with the inner part of the first sleeve 713, the second limiting block is movably sleeved in the first limiting groove, a circular table guide block 718 is fixedly connected with the top of the first connecting rod 702, a guide groove is formed on the circular table guide block 718 corresponding to the first limiting groove, and the circular table guide block 718 is movably penetrated through the outer threaded sleeve 703 and the first sleeve 713.

[0054] It is worth mentioning that a polished rod is formed below the outer threaded sleeve 703, and the diameter of the polished rod is smaller than the diameter of the threaded hole on the third moving plate 704, when the third moving plate 704 moves to the threaded end of the outer threaded sleeve 703, the threaded hole is separated from the outer threaded sleeve 703, and at the same time, the third moving plate 704 is limited and moved through the resistance spring 605, so that the outer threaded sleeve 703 can continue to be idled.

[0055] The top of the driven rod 705 is fixedly connected with a driven gear 710, the top of the third moving plate 704 is rotatably connected with a second connecting rod 708, the lower side of the second connecting rod 708 is fixedly connected with a first transmission gear 709 at the position corresponding to the driven gear 710, one side of the first transmission gear 709 is in meshing transmission with the driven gear 710, the top of the second moving plate 602 is rotatably connected with a second sleeve 711 at the position corresponding to the second connecting rod 708, the second sleeve 711 is fixedly connected with a second gear 712 at the position corresponding to the first gear 714, the second gear 712 is in meshing transmission with the first gear 714, the inside of the second sleeve 711 is fixedly connected with a third limiting block, the second connecting rod 708 is provided with a second limiting groove at the position corresponding to the third limiting block, the third limiting block is movably sleeved in the second limiting groove, one side of the connecting frame 701 is fixedly connected with a third motor 715, the output shaft of the third motor 715 is fixedly connected with a driving gear 716, the bottom of the first connecting rod 702 is fixedly connected with a second transmission gear 717 at the position corresponding to the driving gear 716, the second transmission gear 717 is in meshing transmission with the driving gear 716.

[0056] Working principle: the third motor 715 drives the rotation of the driving gear 716, the rotation of the driving gear 716 drives the rotation of the second transmission gear 717, the rotation of the second transmission gear 717 drives the rotation of the first connecting rod 702, the rotation of the first connecting rod 702 drives the rotation of the outer threaded sleeve 703, the rotation of the outer threaded sleeve 703 drives the movement of the third moving plate 704, so that the first sleeve 713 moves downward synchronously, and the first connecting rod 702 penetrates through the inside of the first sleeve 713, the rotation of the first connecting rod 702 drives the rotation of the first sleeve 713, the rotation of the first sleeve 713 drives the meshing transmission of the first gear 714 and the second gear 712, so as to drive the rotation of the second sleeve 711, the rotation of the second sleeve 711 drives the rotation of the second connecting rod 708 through the third limiting block, and the first transmission gear 709 is in meshing transmission with the driven gear 710, the rotation of the driven gear 710 drives the rotation of the driven rod 705, so as to drive the rotation of the fastening sleeve 706 to fasten the nut or bolt used for assembling the shock absorber, so as to complete the assembly fastening effect.

[0057] In the application, the outside of the body 1 is fixedly connected with a plurality of mounting tables 8 and a control panel, the plurality of mounting tables 8 are used for mounting mechanical arms, the other side of the body 1 is provided with a component placing box 9, the component placing box 9 corresponds to layer placing CDC assembly sub-components (such as damping valves, connecting rods, springs, bolts and the like), the inside of the first supporting frame 5 is symmetrically fixedly connected with a plurality of infrared detectors 10, the infrared detectors 10 are used for qualified detection on the assembled shock absorber;

[0058] It is worth mentioning that: by installing the mechanical arm on the installation table 8, it is convenient to automatically pick up the shock absorber assembly and synchronously assemble it, and the infrared detector 10 is used for detecting the assembled shock absorber, when the detection is unqualified, the mechanical arm picks it up into the component placing box 9, which is convenient for the operator to handle later, the infrared detector 10 is a laser displacement sensor, the detection accuracy is not less than 0.01mm, which is used for detecting the coaxiality of the assembled shock absorber CDC assembly, the bolt exposure length and the component fitting gap, and the mechanical arm and the infrared detector 10 are electrically connected with the control system to realize the automatic sorting of unqualified products.

[0059] Assembly process:

[0060] Step 1: automatic feeding;

[0061] The industrial robot picks up the CDC assembly base from the component placing box 9 and places it in the clamping mechanism 3 (between the two first arc-shaped clamping plates 306) on the conveying chain 207; the first motor 308 is started, the double-headed threaded rod 303 is driven to rotate through the worm gear 309 and the worm wheel 307 transmission, the first moving plate 304 moves along the first guide rod 310, the swing arm 305 pushes the first arc-shaped clamping plate 306 to close, and the base is pre-clamped and fixed.

[0062] Step 2: automatic conveying;

[0063] The driving roller 201 is started, the conveying chain 207 is driven to rotate through the driving sprocket 203, the clamping mechanism 3 moves with the chain, and the CDC base is conveyed to the assembly station (below the limiting mechanism 4); during the conveying process, the auxiliary sprocket 206 ensures the stable operation of the chain to avoid the deviation of the base.

[0064] Step 3: accurate positioning;

[0065] When the CDC base moves between the two second arc-shaped clamping plates 404, the conveying mechanism 2 is paused; the push rod motor 403 is started, the second arc-shaped clamping plate 404 is pushed to move towards each other, and the base is accurately clamped (positioning accuracy ±0.05mm), at this time the connecting rod of the base is upward, and the assembly part is aligned with the assembly mechanism 7.

[0066] Step 4: pressure exposure;

[0067] The second motor 607 is started, the first threaded rod 601 is driven to rotate through the second bevel gear 608 and the first bevel gear 606 transmission, the second moving plate 602 moves downward along the second guide rod 609, the slide rod 603 drives the pressure plate 604 to press the spring on the top of the base, so that the upper end of the connecting rod is exposed (the exposure length is about 10mm), which is convenient for subsequent bolt installation; after the pressure reaches the set value (such as 100N), the second motor 607 is paused.

[0068] Step 5: Assemble fastening;

[0069] The mechanical arm picks up the bolt from the component placement box 9 and places it in the threaded hole at the top end of the connecting rod;

[0070] The third motor 715 is started, the first connecting rod 702 is rotated by driving the gear 716 to engage with the second transmission gear 717, the outer threaded sleeve 703 rotates synchronously with the first connecting rod 702, the third moving plate 704 moves downward along the outer threaded sleeve 703 (at the same time guided along the slide rod 603), the assembly plate 707 is further compressed to compact the spring, and the fastening sleeve 706 is sleeved on the bolt head;

[0071] The first connecting rod 702 continues to rotate, the circular table guide block 718 guides the second limiting block in the first sleeve 713 to enter the first limiting groove, the first sleeve 713 rotates with the first connecting rod 702, the first gear 714 and the second gear 712 drive the second sleeve 711 to rotate, the second connecting rod 708 drives the driven rod 705 to rotate by engaging the first transmission gear 709 with the driven gear 710, and the fastening sleeve 706 is rotated to tighten the bolt; when the torque reaches the set value (such as 15N・m), the third motor 715 is reversed, the third moving plate 704 is raised, and the pressing plate 604 is reset.

[0072] Step 6: Qualified detection;

[0073] The infrared detector 10 is started, and the assembled CDC assembly is detected:

[0074] The laser displacement sensor detects the exposed length of the bolt (qualified range 5±0.2mm), and the coaxiality of the assembly (qualified range ≤0.08mm);

[0075] If the detection is qualified: the limiting mechanism 4 is loosened (the push rod motor 403 is reset), the conveying mechanism 2 is restarted, and the assembly is conveyed to the next process (such as sealing detection);

[0076] If the detection is not qualified: the control system sends a signal, the mechanical arm picks up the unqualified product and moves to the unqualified layer of the component placement box 9, which is convenient for subsequent rework analysis.

[0077] Step 7: Cycle operation;

[0078] Repeat steps 1-6 to realize continuous batch assembly of CDC assemblies; when the material in the component placement box 9 is insufficient, the equipment sends an audible and light alarm to remind the worker to supplement the material.

[0079] The above merely describes preferred specific embodiments of the present application, but the protection scope of the present application is not limited thereto, and any person skilled in the art, according to the technical solution and inventive concept of the present application, makes equivalent replacement or change within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. An automatic assembly device for a shock absorber CDC assembly, comprising a body (1) and a first support frame (5) fixedly connected to the top of the body (1), characterized in that, Also includes: The conveying mechanism (2), located inside the body (1), is used to automatically convey the shock absorber CDC assembly; The clamping mechanism (3) is located on the conveying mechanism (2) and is used to clamp and fix the shock absorber CDC assembly during conveying. The limiting mechanism (4) is located on the top side of the body (1) and is used to limit and clamp the shock absorber CDC assembly during assembly. The pressure application mechanism (6), located on top of the first support frame (5), is used to apply pressure and push the shock absorber CDC assembly during assembly. Assembly mechanism (7), located on top of the first support frame (5) and on one side of the pressure application mechanism (6), is used to assemble the shock absorber CDC assembly; The pressure applying mechanism (6) includes a first threaded rod (601) rotatably connected to the first support frame (5), a second movable plate (602) threadedly connected to the first threaded rod (601), two slide rods (603) symmetrically fixedly connected to the bottom of the second movable plate (602), the same pressure plate (604) fixedly connected to the bottom of the two slide rods (603), a second guide rod (609) fixedly connected to the top of the first support frame (5), a second threaded hole and a second guide hole respectively opened on the second movable plate (602), the first threaded rod (601) threadedly sleeved inside the second threaded hole, the second guide rod (609) movably sleeved inside the second guide hole, a first bevel gear (606) fixedly connected to the bottom of the first threaded rod (601), a second motor (607) fixedly connected to the bottom of the first support frame (5), a second bevel gear (608) fixedly connected to the output shaft of the second motor (607), and one side of the second bevel gear (608) meshing with the first bevel gear (606) for transmission. The assembly mechanism (7) includes a connecting frame (701) fixedly connected to the bottom of the first support frame (5). A first connecting rod (702) is rotatably connected to the connecting frame (701). An external threaded sleeve (703) is movably sleeved on the first connecting rod (702). The top of the external threaded sleeve (703) is rotatably connected to the second moving plate (602). A first limiting block is fixedly connected inside the external threaded sleeve (703). An opening is made on the outside of the first connecting rod (702) corresponding to the first limiting block. A first limiting groove is provided, and a first limiting block is movably sleeved inside the first limiting groove. A third moving plate (704) is threadedly connected to the external threaded sleeve (703). A driven rod (705) is rotatably connected to one side of the third moving plate (704). A fastening sleeve (706) is fixedly connected to the bottom of the driven rod (705). An extrusion assembly plate (707) is fixedly connected to one side of the bottom of the third moving plate (704). A plurality of through holes are arrayed on the extrusion assembly plate (707). The top of the second movable plate (602) is rotatably connected to the top of the external threaded sleeve (703) and a first sleeve (713). A first gear (714) is fixedly connected to the first sleeve (713). A second limiting block is fixedly connected inside the first sleeve (713). The second limiting block is movably fitted inside the first limiting groove. A frustum guide block (718) is fixedly connected to the top of the first connecting rod (702). The frustum guide block (718) has a guide groove corresponding to the first limiting groove. The frustum guide block (718) movably passes through the external threaded sleeve (703) and the first sleeve (713).

2. The automatic assembly device for a shock absorber CDC assembly according to claim 1, characterized in that, The conveying mechanism (2) includes a drive roller (201) and a driven roller (202) symmetrically rotatably connected to the inside of the machine body (1). Drive sprockets (203) are fixedly connected to both sides of the drive roller (201), and driven sprockets (204) are fixedly connected to both sides of the driven roller (202). Multiple auxiliary rods (205) are rotatably connected in an array inside the machine body (1). Auxiliary sprockets (206) are fixedly connected to both sides of the multiple auxiliary rods (205). The drive sprocket (203) is meshed with the driven sprocket (204) and the auxiliary sprocket (206) by the same conveying chain (207).

3. The automatic assembly device for a shock absorber CDC assembly according to claim 2, characterized in that, The clamping mechanism (3) includes a balance frame (301) fixedly connected to the conveyor chain (207). The bottom of the balance frame (301) is symmetrically fixedly connected to a fixing block (302). A double-headed threaded rod (303) is rotatably connected between the two fixing blocks (302). The two ends of the double-headed threaded rod (303) are respectively threaded to a first moving plate (304). A swing arm (305) is hinged to each of the two first moving plates (304). The other end of each of the two swing arms (305) is rotatably connected to a first arc-shaped clamping plate (306). The two first arc-shaped clamping plates (306) are rotatably connected to the top of the balance frame (301).

4. The automatic assembly device for a shock absorber CDC assembly according to claim 3, characterized in that, A worm gear (307) is fixedly connected to the double-ended threaded rod (303). A first motor (308) is fixedly connected to the bottom of the balance frame (301). A worm (309) is fixedly connected to the output end of the first motor (308). One side of the worm (309) meshes with the worm gear (307) for transmission. A first guide rod (310) is fixedly connected to the opposite side of the two fixed blocks (302). A first threaded hole and a first guide hole are respectively opened on the first moving plate (304). The two ends of the double-ended threaded rod (303) are respectively threaded into the first threaded hole. The first guide rod (310) is respectively movably sleeved into the first guide hole.

5. The automatic assembly device for a shock absorber CDC assembly according to claim 1, characterized in that, The limiting mechanism (4) includes a first fixed frame (401) symmetrically fixedly connected to the top of the body (1), a second fixed frame (402) fixedly connected to each of the two first fixed frames (401), a push rod motor (403) fixedly connected to the top of each of the two second fixed frames (402), and a second arc-shaped clamp (404) fixedly connected to the output end of each of the two push rod motors (403).

6. The automatic assembly device for a shock absorber CDC assembly according to claim 1, characterized in that, The third movable plate (704) has through holes at the corresponding positions of the two slide rods (603). The two slide rods (603) are respectively movably sleeved in the corresponding through holes. A resistance spring (605) is fixedly connected between the third movable plate (704) and the pressure plate (604). The two slide rods (603) respectively move through the interior of the two resistance springs (605).

7. The automatic assembly device for a shock absorber CDC assembly according to claim 1, characterized in that, A driven gear (710) is fixedly connected to the top of the driven rod (705). A second connecting rod (708) is rotatably connected to the top of the third moving plate (704). A first transmission gear (709) is fixedly connected below the second connecting rod (708) at the location corresponding to the driven gear (710). One side of the first transmission gear (709) meshes with the driven gear (710). A second sleeve (711) is rotatably connected to the top of the second moving plate (602) at the location corresponding to the second connecting rod (708). A second gear (712) is fixedly connected to the second sleeve (711) at the location corresponding to the first gear (714). 12) Engages with the first gear (714) for transmission. The second sleeve (711) is fixedly connected to the inside of a third limiting block. The second connecting rod (708) is provided with a second limiting groove corresponding to the third limiting block. The third limiting block is movably fitted inside the second limiting groove. The connecting frame (701) is fixedly connected to one side of a third motor (715). The output shaft of the third motor (715) is fixedly connected to a drive gear (716). The bottom of the first connecting rod (702) is fixedly connected to a second transmission gear (717) corresponding to the drive gear (716). The second transmission gear (717) meshes with the drive gear (716) for transmission.

8. The automatic assembly device for a shock absorber CDC assembly according to claim 1, characterized in that, Multiple mounting platforms (8) and a control panel are fixedly connected to one side of the outer side of the body (1). The multiple mounting platforms (8) are used to install the robotic arm. A component placement box (9) is installed on the other side of the body (1). Multiple infrared detectors (10) are symmetrically fixedly connected to the inner side of the first support frame (5). The infrared detectors (10) are used to perform qualification testing on the assembled shock absorber.

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