A flexible docking and flipping device for automated production lines

Abstract

A flexible docking and flipping device for an automated production line includes: two lifting brackets; a flipping platform rotatably arranged on the lifting brackets; a first conveyor line and a second conveyor line, which are parallel and relatively arranged on the flipping platform; a centering mechanism arranged on the flipping platform; an entrance photoelectric sensor and an exit photoelectric sensor, which are arranged at the entrance and exit of the flipping device; a flipping sensor, which is arranged outside the rotating shaft of the flipping platform; a workpiece arrival sensor, which is arranged on both sides of the flipping platform exit, and a controller, wherein the lifting cylinder, the centering cylinder, the conveying motors in the first conveyor line and the second conveyor line, the entrance photoelectric sensor, the exit photoelectric sensor, the flipping sensor, and the workpiece arrival sensor are all electrically connected to the controller. The present invention solves the problem of flexible clamping and docking of automated feeding and unloading production lines for differentiated and diversified products, and realizes a one-stop assembly operation integrating the car lifting, flipping, assembly, and docking product lines.

Description

Technical Field

[0001] The present invention relates to the technical field of product assembly line, and in particular to a flexible docking and flipping device for an automated production line, which is particularly suitable for assembly operations of elevator car and box structure product lines. Background Art

[0002] The automatic assembly line of car and box structure products, due to their size and position constraints, requires manual flipping and lifting to complete the assembly work of the assembly line, resulting in motion and efficiency waste, which is not in line with modern precision production management and the development needs of the times.

[0003] The personalized demand in the market for car and box structure products has accumulated and increased the frequency of product personalization, resulting in diverse and individual differences in product assembly requirements, promoting the expansion of production with multiple specifications, and the incompatibility of different products, which in turn extends the waste of production line layout and infrastructure resources.

[0004] The existing technology mostly uses a flip-separated layout, in which the feed and discharge are both in a disconnected state, a manual flipping device is set up in the middle or the material is transferred from elsewhere to complete the manual docking of the feed and discharge. During the flipping process, contact, hidden dangers and docking deviations often occur. Summary of the Invention

[0005] The purpose of the present invention is to design a flexible docking and flipping device for an automated production line to solve the problem of flexible clamping and docking of automated feeding and unloading production lines for different diversified products, realize a one-stop assembly operation of the car lifting, flipping, assembly, and docking product lines, pursue modular assembly of car and box structure product lines, enhance the spatial matching of car and box structure product lines, and ensure the sustainable and synchronous systematic development of product lines.

[0006] To achieve the above object, the technical solution of the present invention is:

[0007] A flexible docking and flipping device for an automated production line, comprising: two lifting brackets, which are arranged opposite to each other and vertically arranged on two bottom plates; two lifting mechanisms, each of which is arranged on the two lifting brackets, and the lifting mechanism comprises: a lifting guide rail and an upper slider thereof, the lifting guide rail being arranged along the height direction of the lifting bracket; a lifting plate, which is arranged on the slider on the lifting guide rail; two rollers, respectively pivotally connected to the upper and lower parts of the lifting bracket, a lifting belt passing through the two rollers and connecting the lifting plates; the two rollers located at the lower part of the lifting bracket in the two lifting mechanisms are connected by a synchronous shaft; a lifting cylinder, whose cylinder body is fixed to the bottom plate under the lifting bracket, and the end of its piston rod is connected to the lifting bracket through a connecting piece The lifting platform is a frame structure comprising two upper and lower longitudinal beams on both sides, two upper and lower cross beams on both sides of the middle of the longitudinal beams, and support rods vertically arranged at both ends of the longitudinal beams; the middle of the longitudinal beams on both sides are respectively provided with mounting plates and a rotating shaft vertically arranged in the center of the outer side of the mounting plate, the rotating shaft is arranged on the bearing seat, and the two bearing seats are respectively arranged on the lifting plates in the two lifting mechanisms; a turning motor and a reducer are installed on the mounting plate, and the output end of the turning motor and the reducer are connected to the rotating shaft; the first conveyor line and the second conveyor line are parallel and relatively arranged on the cross beams arranged on the upper and lower sides of the turning platform, and the first conveyor line and the second conveyor line are relatively arranged on the cross beams arranged on the upper and lower sides of the turning platform. The two conveyor lines respectively include two parallel conveying devices, which include two side plates fixed to the crossbeam through a connecting plate, two conveying wheels pivotally connected to the ends of the two side plates and a conveying belt connected to the two conveying wheels. The conveying wheels on one side of the two conveying devices are coaxially connected through a transmission shaft, one end of the transmission shaft is connected to the output end of a reducer connected to a conveying motor, and the reducer is fixed to one side plate through a fixed connecting plate; in this embodiment, one end of the transmission shaft and the output end of the reducer are both provided with a transmission gear and a synchronous belt connecting the two transmission gears, and the reducer drives the synchronous belt on the transmission gear to drive the transmission shaft and the conveying wheel to rotate; the two conveying devices parallel to the second conveyor line in the flip platform are divided into A support plate flush with the conveyor belt is separately provided; a centering mechanism comprises: four slide rails and upper sliders thereof, which are arranged in pairs on both sides of the two upper cross beams of the turnover platform; limit buffers are provided at both ends of the slide rails; two centering baffles are arranged in parallel on the inner side of the longitudinal beam of the turnover platform; a U-shaped connecting bracket is provided on the centering baffle, and the U-shaped connecting bracket is arranged on both sides of the two cross beams and connected to the sliders on the slide rails; three connecting rods are pivotally connected in sequence, the outer ends of the connecting rods on both sides are pivotally connected to the centers of the U-shaped connecting brackets on the two centering baffles, and the connecting rod in the middle is pivotally connected to an intermediate support rod, and the two ends of the intermediate support rod are connected to the centers of the opposite surfaces of the two upper cross beams of the turnover platform;A centering cylinder, whose cylinder body is connected to the crossbeam or a support beam, the two ends of the support beam are connected to the two crossbeams located at the upper part of the flip platform, and the end of its piston rod is connected to the connecting rod located in the middle; four fixing rods are vertically arranged below the four support rods at the ends of the two longitudinal beams of the flip platform; the transmitting and receiving modules of the entrance photoelectric sensor and the exit photoelectric sensor are respectively arranged at the entrance and exit of the flip device through brackets, and their height is higher than the support plate of the flip platform; the flip sensor is arranged on the outer surface of the mounting plate through a mounting ring, and the mounting ring is arranged outside the rotating shaft; the workpiece arrival sensor is arranged on both sides of the flip platform exit, and its height is higher than the support plate and the outer side of the end of the centering baffle of the flip platform; the controller, the lifting cylinder, the centering cylinder, the conveying motors in the first and second conveying lines, the entrance photoelectric sensor, the exit photoelectric sensor, the flip sensor, and the workpiece arrival sensor are all electrically connected to the controller.

[0008] Preferably, the two bottom plates under the two lifting brackets are connected by a connecting beam.

[0009] The advantages or positive effects of the present invention compared with the prior art are as follows:

[0010] The present invention gets rid of the broken chain at the feed and discharge ends of the original car and box assembly line, eliminates manual flipping and lifting, solves the unevenness and instability of products during the lifting and flipping process, and realizes a one-stop assembly platform that integrates product lifting, flipping, assembly, and docking product lines. It enhances the spatial matching of the car and box structure product lines, promotes flexible clamping and docking of differentiated and diversified products, comprehensively and effectively improves the assembly environment of the car and box structure products, improves working conditions, and reduces production costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 A perspective view of an embodiment of the present invention;

[0012] Figure 2 A three-dimensional diagram of a lifting bracket and a lifting mechanism in an embodiment of the present invention;

[0013] Figure 3 The three-dimensional flip platform in the embodiment of the present invention Figure 1 ;

[0014] Figure 4 The three-dimensional flip platform in the embodiment of the present invention Figure 2 ;

[0015] Figure 5 The three-dimensional flip platform in the embodiment of the present invention Figure 3 ;

[0016] Figures 6 to 11 Schematic diagram of the working state of the flipping process according to an embodiment of the present invention. DETAILED DESCRIPTION

[0017] See also Figures 1 to 11 The flexible docking and flipping device for an automated production line according to the present invention comprises:

[0018] Two lifting brackets 1 and 1' are arranged opposite to each other and vertically arranged on the two bottom plates 101 and 101' respectively;

[0019] The two lifting mechanisms 2 and 2' are respectively arranged on the two lifting brackets 1 and 1'. The lifting mechanism 2 (taking the lifting mechanism 2 as an example, the same below) includes:

[0020] A lifting guide rail 21 and an upper slider 22, wherein the lifting guide rail 21 is arranged along the height direction of the lifting bracket 1;

[0021] A lifting plate 23 is provided on the slider 22 on the lifting guide rail 21;

[0022] Two rollers 24, 24' are pivotally connected to the upper and lower parts of the lifting bracket 1, respectively. A lifting belt 25 passes through the two rollers 24, 24' and is connected to the lifting plate 23. The two rollers located at the lower parts of the lifting brackets 1, 1' in the two lifting mechanisms 2, 2' are connected by a synchronization shaft 29.

[0023] A lifting cylinder 26, whose cylinder body is fixed to the bottom plate 101 under the lifting bracket 1, and whose piston rod end is connected to the lifting plate 23 through a connecting piece;

[0024] A lifting height sensor 28 is provided on one side of the lifting bracket 1 or 1', corresponding to the lifting plate;

[0025] The tilting platform 3 is a frame structure including two longitudinal beams 31, 31' located on the upper and lower sides, two transverse beams 32, 32' located on the upper and lower sides of the middle of the longitudinal beams 31, 31', and support rods 33, 33' vertically arranged at the ends of the longitudinal beams 31, 31'; the middle of the longitudinal beams 31, 31' on both sides are respectively provided with mounting plates 35, 35' and rotating shafts 36, 36' vertically arranged at the center of the outer side of the mounting plates 35, 35', the rotating shafts 36, 36' are arranged on the bearing seats 37, 37', and the two bearing seats 37, 37' are respectively arranged on the lifting plates 23 of the two lifting mechanisms 2, 2'; a tilting motor 38 and a reducer are installed on the mounting plate 35, and the output end of the motor is connected to the rotating shaft 36;

[0026] The first conveyor line 4 and the second conveyor line 5 are parallel and relatively arranged on the beams 32 and 32' arranged above and below the turning platform 3. The first conveyor line 4 (taking the first conveyor line 4 as an example, the same below) and the second conveyor line 5 respectively include two parallel conveying devices 41 and 41'. The conveying device 41 includes two side plates 411 fixed to the beam 32 by a connecting plate, two conveying wheels 412 pivotally connected to the ends of the two side plates 411, and a conveying belt 413 connected to the two conveying wheels 412. The conveying wheels on one side of the two conveying devices 41 and 41' are coaxially connected through a transmission shaft 414. One end of the transmission shaft 414 is connected to the output end of a reducer 416 connected to a conveying motor 415. The reducer 416 is fixed to one side plate 411 through a fixed connecting plate 417. In this embodiment, one end of the transmission shaft 414 and the output end of the reducer 416 are provided with a transmission gear and a synchronous belt connecting the two transmission gears, and the reducer drives the synchronous belt on the transmission gear to drive the transmission shaft and the conveying wheel to rotate;

[0027] Support plates 34 flush with the conveyor belts are respectively provided on both sides of the two conveyor devices parallel to the second conveyor line 5 in the flip platform 3;

[0028] Centering mechanism 6, including:

[0029] Four slide rails 61 and their upper sliders are arranged in pairs on both sides of the two cross beams 32 located at the upper part of the flip platform 3; limit buffers are provided at both ends of the slide rails 61;

[0030] Two pairs of centering baffles 62, 62' are arranged parallel to the inner sides of the longitudinal beams 31, 31' of the turning platform 3; U-shaped connecting brackets 63, 63' are provided on the centering baffles 62, 62', and the U-shaped connecting brackets 63, 63' are arranged on both sides of the two cross beams 32 and connected to the slider on the slide rail 61;

[0031] Three connecting rods 64, 64', and 64" are pivotally connected in sequence. The outer ends of the connecting rods 64 and 64" on both sides are pivotally connected to the centers of the U-shaped connecting brackets 63 and 63' on the two pairs of center baffles 62 and 62'. The connecting rod 64' in the middle is pivotally connected to an intermediate support rod 65. The two ends of the intermediate support rod 65 are connected to the centers of the opposite surfaces of the two cross beams 32 located at the upper part of the turning platform 3.

[0032] A centering cylinder 66, whose cylinder body is connected to the cross beam 32 or to a support beam 67, whose ends are connected to the two cross beams 32 located at the upper part of the turning platform 3, and whose piston rod end is connected to the connecting rod 64' located in the middle;

[0033] Four fixing rods 7, 7' are vertically arranged below the four supporting rods 33, 33' at the ends of the two longitudinal beams 31, 31' of the turning platform 3;

[0034] The entrance photoelectric sensor 8 and the exit photoelectric sensor 9, whose transmitting and receiving modules are respectively arranged at the entrance and exit of the flip device through the bracket, and their height is higher than the support plate 34 in the flip platform 3;

[0035] The flip sensors 10, 10' are arranged on the outer surfaces of the mounting plates 35, 35' through the mounting ring 11, and the mounting ring 11 is arranged outside the rotating shaft 36';

[0036] The workpiece arrival sensor 12 is arranged on both sides of the exit of the flip platform 3, and its height is higher than the outer side of the end of the support plate 34 and the centering baffle 62' in the flip platform 3;

[0037] The controller (not shown), the lifting cylinder, the centering cylinder, the first conveyor line 4, the conveying motor of the second conveyor line 5, the entrance photoelectric sensor 8, the exit photoelectric sensor 9, the flip sensors 10, 10', and the workpiece arrival sensor 12 are all electrically connected to the controller.

[0038] Preferably, the two bottom plates under the two lifting brackets are connected by a connecting beam.

[0039] The present invention works as follows:

[0040] The workpiece 100 is transported from the front-end assembly line to the entrance of the flipping device. The photoelectric sensor 8 at the entrance detects the workpiece 100, and the second conveyor line 5 starts to start. When the workpiece 100 is transported to the right position (detected by the sensor), the second conveyor line 5 stops rotating, and the centering mechanism 6 clamps the workpiece 100 in the center.

[0041] After the centering mechanism 6 is clamped, the lifting cylinder 26 pushes the flip platform 3 up to the high position;

[0042] The flip motor 38 drives the flip platform 3 to flip 180 degrees. The flip sensors 10 and 10' monitor the flip process in real time. After the flip is completed, the lifting cylinder 26 drives the flip platform 3 to descend to the lowest position.

[0043] After the turning platform 3 is lowered into position, the first conveyor line 4 starts to transport the workpiece 100 out of the turning platform 3;

[0044] After detecting that the workpiece 100 is completely transported out of the turning platform 3, the turning device reversely performs the above-mentioned action to the initial state and waits for the next cycle.

[0045] In summary, the present invention solves the heavy bottleneck of elevator car and box structure product assembly in the prior art, performs the lifting and flipping functions of the car and box structure products, promotes the intelligent mechanization of car and box structure product assembly, reduces consumption, and enhances productivity; creates a one-stop assembly platform that integrates car lifting, flipping, assembly, and docking product lines; establishes flexible clamping for different car and box structure products, and promotes flexible assembly and docking of car and box structure product deviations.

Claims

1. A flexible docking and flipping device for an automated production line, comprising: Two lifting brackets are arranged opposite to each other and vertically disposed on two bottom plates respectively; Two lifting mechanisms are respectively arranged on the two lifting brackets, and the lifting mechanisms include: A lifting guide rail and a slider thereon, wherein the lifting guide rail is arranged along the height direction of the lifting bracket; A lifting plate, arranged on a slider on the lifting guide rail; Two rollers are pivotally connected to the upper and lower parts of the lifting bracket respectively, and a lifting belt is passed through the two rollers and connected to the lifting plate; the two rollers located at the lower part of the lifting bracket in the two lifting mechanisms are connected by a synchronous shaft; A lifting cylinder, the cylinder body of which is fixed to the bottom plate under the lifting bracket, and the end of the piston rod of which is connected to the lifting plate through a connecting piece; A lifting height sensor is arranged on one side of the lifting bracket and corresponds to the lifting plate; The turning platform is a frame structure, including two longitudinal beams located at the upper and lower sides, two transverse beams located at the upper and lower sides of the middle of the longitudinal beams, and vertically arranged support rods at the two ends of the longitudinal beams; the middle of the longitudinal beams located at the two sides are respectively provided with mounting plates and a rotating shaft vertically arranged at the center of the outer side of the mounting plate, the rotating shaft is arranged on two bearing seats, and the two bearing seats are respectively arranged on the lifting plates in the two lifting mechanisms; a turning motor and a reducer are installed on the mounting plate, and the output end of the turning motor and the reducer are connected to the rotating shaft; The first conveyor line and the second conveyor line are parallel and relatively arranged on the upper and lower beams arranged in the turning platform. The first conveyor line and the second conveyor line respectively include two parallel conveying devices, which include two side plates fixed to the beams through a connecting plate, two conveying wheels pivotally connected to the ends of the two side plates respectively, and a conveying belt connected to the two conveying wheels. The conveying wheels on one side of the two conveying devices are coaxially connected through a transmission shaft, and one end of the transmission shaft is connected to the output end of the reducer of the conveying motor, and the reducer is fixed to one side plate through a fixed connecting plate; one end of the transmission shaft and the output end of the reducer are both provided with a transmission gear and a synchronous belt connecting the two transmission gears, and the reducer drives the synchronous belt on the transmission gear to drive the transmission shaft and the conveying wheel to rotate; Support plates flush with the conveyor belts are respectively arranged on both sides of the two conveying devices in the flip platform that are parallel to the second conveyor line; Centering mechanism, including: Four slide rails and sliders thereon are arranged in pairs on both sides of two cross beams located at the upper part of the flip platform; limit buffers are arranged at both ends of the slide rails; Two pairs of center baffles are arranged in parallel on the inner side of the longitudinal beam of the turning platform; a U-shaped connecting bracket is arranged on the center baffle, and the U-shaped connecting bracket is arranged on both sides of the two cross beams and connected to the slider on the slide rail; Three connecting rods are pivotally connected in sequence, the outer ends of the connecting rods on both sides are pivotally connected to the center of the U-shaped connecting brackets on the two pairs of center baffles, and the connecting rod in the middle is pivotally connected to an intermediate support rod, and the two ends of the intermediate support rod are connected to the center of the opposite surfaces of the two cross beams located at the upper part of the flip platform; A centering cylinder, whose cylinder body is connected to the cross beam or to a supporting beam, whose two ends are connected to the two cross beams located at the upper part of the turning platform, and whose piston rod end is connected to the connecting rod located in the middle; Four fixing rods are vertically arranged below four supporting rods at the ends of two longitudinal beams of the turning platform; An entrance photoelectric sensor and an exit photoelectric sensor, whose transmitting and receiving modules are respectively arranged at the entrance and exit of the flip device through a bracket, and whose height is higher than the support plate in the flip platform; A flip sensor is arranged on the outer side of the mounting plate through a mounting ring, and the mounting ring is arranged outside the rotating shaft; Workpiece arrival sensors are arranged on both sides of the exit of the flip platform, and their height is higher than the outer side of the end of the support plate and the centering baffle in the flip platform; The controller, the lifting cylinder, the centering cylinder, the first conveying line, the conveying motor in the second conveying line, the entrance photoelectric sensor, the exit photoelectric sensor, the flip sensor, and the workpiece arrival sensor are all electrically connected to the controller.

2. The flexible docking and flipping device for an automated production line according to claim 1, characterized in that: The two bottom plates under the two lifting brackets are connected by a connecting crossbeam.

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