Background
The lithium battery module needs to be screwed in a screw to be tightly fixed, then voltage, internal resistance parameter values, size detection and other detection are carried out, labeling operation is carried out, and most of the existing lithium battery detection are separated operation. The patent comprises a battery pack upper cover and a battery pack lower shell, wherein the battery pack upper cover and the battery pack lower shell can form a shell after being combined to protect an internal battery pack element; a fan is also arranged and is arranged on the side surface of the battery pack. The above patent discloses that the battery pack is assembled and tightened by screwing in screws.
The existing detection equipment has the following defects: 1. the assembly of the lithium battery screw is generally completed manually, the production efficiency is low, and the screw locking process of the battery needs to be turned over, so that the screw locking process is low in efficiency; 2. the assembled lithium battery module is fastened by screwing in the screw, and in the use process, mud scales such as dust and the like can enter the screw hole to block the lines at the end part of the screw, so that the lithium battery module is difficult to disassemble; 3. in the detection process, different parameters need to be tested, the detection is difficult to realize at one station, and therefore the detection needs to be moved. Disclosure of Invention
The invention aims to provide a screw cap assembling device which is efficient in assembly and high in power and is used for assembling lithium battery module detection equipment, aiming at the problems that screws are easy to block and difficult to disassemble and batteries are troublesome to maintain in the prior art.
For the purpose of the invention, the following technical scheme is adopted for realizing the purpose:
a screw cap assembling device of lithium battery module detection equipment comprises a circular vibration component, a straight vibration component, an end material receiving seat, a photoelectric sensor, an assembling table, a jacking component and a pressing component; the outlet of the circular vibration is connected with the direct vibration, the end material receiving seat is arranged at the discharge end of the direct vibration, a stepped hole with a large upper part and a small lower part is arranged in the end material receiving seat, the stepped hole penetrates through the end material receiving seat, and the upper end of the end material receiving seat is also provided with a connecting flange; the photoelectric sensor is arranged on the side of the end material receiving seat; the assembly table is arranged on the frame, the upper part of the assembly table is a placing part, and a round hole is arranged on the bottom end face of the placing part corresponding to the position needing to be provided with the screw cover; the jacking assembly is installed on the lower portion of the assembling table, the pressing assembly is installed on the rack, and the jacking assembly and the pressing assembly are located on the same axis in the vertical direction.
Preferably, the jacking assembly comprises a hanging plate, a thimble and a loading cylinder; the hanging plate is fixedly arranged at the lower part of the assembling table, the bottom of the thimble is fixed on the connecting block, and the side of the connecting block is movably connected with the hanging plate through a sliding rail; the loading cylinder is fixedly arranged on the hanging plate, and the telescopic end of the loading cylinder is connected with the connecting block.
Preferably, the center hole in the middle of the thimble, the upper part of the thimble is provided with an air suction hole, and the lower part of the thimble is provided with an air suction valve.
Preferably, the pressing assembly comprises a portal frame, a pressing cylinder and a pressing plate; the portal frame is fixedly arranged on the frame, and the downward pressing cylinder is vertically arranged on the portal frame; the lower terminal surface of clamp plate be provided with lithium cell module appearance assorted dent, the clamp plate pass through the slide rail and move the connection in portal frame side, the clamp plate is connected with the flexible end of pushing down the cylinder.
Preferably, when the device acts, the screw caps sequentially discharge materials through circular vibration and direct vibration to the end material receiving seat, and after the materials are detected by the photoelectric sensor, the screw caps are firstly pressed down by the air cylinder to drive the pressing plate to descend so as to tightly press the lithium battery module in the assembly table; then, the top of the ejector pin inhales to suck the screw cover, meanwhile, the ejector pin is installed in the air cylinder to drive the ejector pin to lift, the screw cover is ejected out and assembled into a screw hole in the lithium battery module, and the screw is sealed.
The utility model provides a lithium cell module check out test set, includes the frame and installs screw assembly device, battery that rack-mounted moved shipping unit, outward appearance detection device, parameter detection device, pastes mark device, size detection device, unloader and foretell lithium cell module check out test set's screw lid assembly device.
The invention has the beneficial effects that after the technical scheme is adopted: the screw cover is arranged outside the screw, so that the screw is protected, impurities are prevented from entering, and grooves such as an internal hexagonal groove or a cross groove of the screw are blocked; the screw cap is easy to fall down when being loaded, so that the ejector pin capable of sucking air is arranged, the verticality of the screw cap can be kept, and the loading success rate is improved; the device is arranged from the lower part, so that the mechanism is simplified, and a turnover mechanism is not required.
Detailed Description
As shown in fig. 1, a lithium battery module detection device comprises a rack 1, and a screw assembly device 2, a battery moving and transporting device 3, an appearance detection device 4, a parameter detection device 5, a labeling device 7, a screw cover assembly device 8, a size detection device 9 and a blanking device which are arranged on the rack 1; along the processing direction, screw assembly device 2, outward appearance detection device 4, parameter detection device 5, subsides mark device 7, screw lid assembly device 8, size detection device 9 link up mutually in proper order, and the battery moves the side that transports device 3 is located above-mentioned each device, unloader be located the discharge end that the battery moved transport device 3.
The screw assembling device 2 is used for locking the assembled lithium battery module, the appearance detection device 4 is used for carrying out visual detection and socket passing detection on the lithium battery module, the parameter detection device is used for detecting voltage and internal resistance parameter values of the lithium battery module, the labeling device 7 is used for labeling a corresponding label on the lithium battery module, and the screw cover assembling device 8 is used for installing a screw cover into a circular hole of a locking screw; the size detection device 9 is used for detecting the height of the lithium battery module, and the blanking device is used for blanking the detected product by two tracks, namely a qualified track and an unqualified track; the battery moving device 3 is used for clamping the lithium battery module and realizing the moving of the lithium battery module between different stations.
As shown in fig. 2, the screw assembling device 2 includes a screw locking mechanism 21, a screw feeding tank 22, a station switching mechanism 23 and a lithium battery module turning mechanism 24; the screw locking mechanism 21 is provided with two symmetrically arranged groups, the lithium battery module overturning mechanism 24 is arranged on the station switching mechanism 23, and the screw feeding pool 22 is positioned on the side of the lithium battery module overturning mechanism 24; the screw locking mechanisms 21 are positioned at two sides of the lithium battery module turnover mechanism 24, and two groups of screw locking mechanisms 21 are arranged in parallel; the screw locking mechanism 21 is used for screwing screws in the lithium battery module, the lithium battery module overturning mechanism 24 is used for placing and clamping the lithium battery module and overturning the lithium battery module, and the station switching mechanism 23 is used for laterally moving the lithium battery module overturning mechanism 24 and switching stations.
As shown in fig. 2, the screw locking mechanism 21 includes a mounting bracket 211, a first sliding table 212, a second sliding table 213 and a screw locking device 214; the first sliding table 212 is arranged on the mounting frame 211, the second sliding table 213 is arranged on a moving part of the first sliding table 212, the first sliding table 212 is perpendicular to the second sliding table 213, and the screw locking device 214 is vertically arranged on the moving part of the second sliding table 213.
As shown in fig. 3, the station switching mechanism 23 includes a base plate 231, a driving cylinder 232, and a moving mounting plate 233; the bottom plate 231 is provided with a slide rail, and the movable mounting plate 233 is movably connected with the bottom plate 231 through the slide rail; the driving cylinder 232 is installed on the base plate 231, and the telescopic end of the driving cylinder 232 is connected with the telescopic end of the movable installation plate 233.
As shown in fig. 3, the lithium battery module turnover mechanism 24 includes a third sliding table 242, a fixed swivel base 243, a rotating cylinder 244, a material receiving jig 245, a clamping cylinder 246 and a clamping block 247; the third sliding table 242 is arranged on the movable mounting plate 233, the fixed swivel mount 243 is arranged on the movable part of the third sliding table 242, and the rotating cylinder 244 is arranged on the vertical plate of the fixed swivel mount 243; the material receiving jig 245 is rotatably connected to the fixed rotary seat 243, one end of the material receiving jig 245 is provided with a rotating shaft, the rotating shaft is hinged with the fixed rotary seat 243, and the other end of the material receiving jig 245 is provided with a connecting block connected with the rotating end of the rotating cylinder 244; the material receiving jig 245 is also provided with a material receiving table 2451, the edges of the material receiving table 2451 are raised, and the two side projections are arc-shaped and matched with the shape of the lithium battery module; the receiving platform 2451 is provided with four round holes for screws to pass through; four round holes are arranged on the bottom plate of the material receiving jig 245 for the screw locking device to pass through; the clamping cylinder 246 is arranged at the bottom of the material receiving jig 245, the clamping block 247 is arranged at the telescopic end of the clamping cylinder 246, the bottom end of the clamping block 247 is provided with two rubber blocks, and the two clamping cylinders 246 are positioned at two sides of the material receiving table 2451.
When the screw assembling device 2 works, a lithium battery module is placed in the material receiving jig 245, the clamping cylinder 246 drives the clamping block 247 to descend to press down the lithium battery module, the rotating cylinder 244 drives the whole material receiving jig 245 to rotate one hundred eighty degrees, the lithium battery module faces downwards, the driving cylinder 232 drives the material receiving jig 245 to move laterally, and the screw locking device 214 is driven by the first sliding table 212 and the second sliding table 213 to move screws in the screw loading pool 22 to holes of the lithium battery module, which need to be assembled with screws, so that the screws can be screwed.
The screw assembling device 2 solves the problems of difficulty in locking screws and low efficiency of the lithium battery module; two groups of screw locking mechanisms 21 are arranged and assembled at the same time, so that the screw assembling efficiency is improved; the lithium battery module turnover mechanisms 24 are arranged in two parallel groups, the screw locking process does not need to wait during turnover, and only the station switching mechanism 23 needs to move to process one lithium battery module turnover mechanism 24; the material receiving platform 2451 and the clamping block 247 with corresponding shapes are arranged in the lithium battery module turnover mechanism 24, so that the lithium battery module can be reliably fixed, the turnover process is not loosened, and the success rate of a screw locking process is improved.
As shown in fig. 4, the battery transfer device 3 includes a cylinder mounting plate 31, a lifting cylinder 32, an intermediate plate 33, a beam plate 34, a slide mounting seat 35, a moving slide 36, a driving bar 361, a first gripping mechanism 37, a second gripping mechanism 38, a third gripping mechanism 39 and a fourth gripping mechanism 310; the cylinder mounting plate 31 is fixed on the frame 1, the lifting cylinder 32 is mounted on the cylinder mounting plate 31, the telescopic end of the lifting cylinder 32 is connected with the middle plate 33, and the middle plate 33 is movably connected with the cylinder mounting plate 31 through a vertical sliding rail; the beam plate 34 is movably connected with the middle plate 33 through a horizontal sliding rail, and two rectangular grooves 341 are formed in the beam plate 34 at intervals; the sliding table mounting seat 35 is fixedly arranged on the frame 1, the movable sliding table 36 is mounted at the top of the sliding table mounting seat 35, the driving bar 361 is arranged at the moving end of the sliding table mounting seat 35, two balls are arranged on the side edge of the driving bar 361, the distance between the two balls is equal to the distance between the two rectangular grooves 341, and the two balls are respectively attached to the side walls of the rectangular grooves 341; the cross-shaped sliding strip assemblies 341 are connected to two ends of the cross beam plate 34, the frame is provided with a bracket 342, and the bracket 342 is connected with the cross-shaped sliding strip assemblies 341; the cross-shaped sliding strip assembly 341 comprises a flat plate in the middle and two groups of sliding rails which are arranged on two sides of the flat plate and are vertical to each other; the first clamping mechanism 37, the second clamping mechanism 38, the third clamping mechanism 39 and the fourth clamping mechanism 310 are all installed on the cross beam plate 34, three groups of the first clamping mechanism 37 are arranged, two groups of the third clamping mechanism 39 are arranged, four groups of the second clamping mechanism 38 are arranged, two groups of the second clamping mechanisms are separated, and two groups of the third clamping mechanisms 39 are positioned between the second clamping mechanisms 38; the fourth clamping mechanisms 310 are provided in one group; the first clamping mechanism 37 comprises a connecting plate, a first clamping cylinder and a first clamping strip; the first clamping cylinder is arranged on the cross beam plate 34 through a connecting plate, the first clamping cylinder faces downwards, and the first clamping strips are arranged at two telescopic ends of the first clamping cylinder; the second clamping mechanism 38 comprises a second clamping cylinder and a second clamping strip arranged at the moving end of the second clamping cylinder, and the second clamping cylinder is arranged towards the side; the third clamping mechanism 39 comprises a longitudinal moving cylinder 391, a transverse moving cylinder 392, a rotating cylinder 393, a third clamping cylinder 394 and a third clamping bar; the longitudinal moving cylinder 391 is vertically arranged on the cross beam plate 34, the transverse moving cylinder 392 is horizontally arranged at the telescopic end of the longitudinal moving cylinder 391, the rotating cylinder 393 is arranged at the telescopic end of the transverse moving cylinder 392 through a connecting plate, the rotating cylinder 393 is arranged downwards, the third clamping cylinder 394 is vertically arranged at the rotating end of the rotating cylinder 393, and the third clamping bar is arranged at the two moving ends of the third clamping cylinder 394; the fourth clamping mechanism 310 comprises a stretching cylinder, a fourth clamping cylinder and a fourth clamping strip arranged on the fourth clamping cylinder; the stretching cylinder is transversely arranged, the fourth clamping cylinder is arranged at the telescopic end of the stretching cylinder, and the fourth clamping cylinder clamps the side part of the stretching cylinder.
When the battery transfer device 3 works, the lifting cylinder 32 drives the cross beam plate 34 to lift, the movable sliding table 36 drives the cross beam plate 34 to move left and right, two ends of the cross beam plate 34 are supported by the cross slide bar assembly 341 and the support 342, and the movement track of the cross beam plate 34 is rectangular; first clamp is got mechanism 37 and is got from lithium battery module top, and the second is got mechanism 38 and is got from lithium battery module side and press from both sides, and the third is got mechanism 39 and is got from lithium battery module top clamp to can also realize going up and down, side moving and rotation, the fourth is got mechanism 310 and is got from lithium battery module side and press from both sides, can realize the translation.
The battery moving and transporting device 3 solves the problems of low synchronism, high requirement on transportation posture and low rigidity of the transportation mechanism in the transportation process of the lithium battery module, and is provided with a first clamping mechanism 37, a second clamping mechanism 38, a third clamping mechanism 39 and a fourth clamping mechanism 310 which are equally arranged on the cross beam plate 34 at intervals, and the transportation efficiency is improved by driving the cross beam plate 34 to move to realize synchronous transportation; the power transmission is carried out by the contact of the balls on the driving strips 361 and the cross beam plate 34, the two driving parts of the lifting cylinder 32 and the moving sliding table 36 are both arranged on the frame, the weight of the moving end is reduced, the rigidity is improved, and the bracket 342 and the cross slide bar assembly 341 are arranged at the two ends of the cross beam plate 34 for supporting, so that the bending of the cross beam plate 34 is prevented; the four groups of carrying mechanisms are arranged, so that the batteries can be clamped at different postures, and the clamping device is suitable for different processing.
As shown in fig. 5, the appearance inspection apparatus 4 includes a mobile jig 40, a visual inspection assembly and a socket passing inspection assembly, wherein the visual inspection assembly includes a positioning plate 412, a camera 413, a positioning plate mounting rack 414 and a camera mounting rack 415; an air cylinder is arranged below the jig 411 and can move; the locating plate 412 is arranged on the rack through a locating plate mounting frame 414, the camera 413 is arranged on the rack through a camera mounting frame 415, and the locating plate corresponds to the socket of the lithium battery module.
As shown in fig. 6, the socket trafficability testing assembly includes a support 421, a pressing cylinder 422, a pressing block 423 and a conducting strip 424; the pressing cylinder 422 is installed on the support 421, and the pressing block 423 is installed at the telescopic end of the pressing cylinder 422.
When the appearance detection device 4 works, firstly, visual detection is carried out, the lithium battery module is moved out by the movable jig 40 until the lithium battery module abuts against the positioning piece 412, then, the lithium battery module is photographed by the camera 413, and whether the appearance is defective or not is detected; then carry out socket trafficability characteristic and detect, remove tool 40 and shift out lithium battery module, compress tightly cylinder 422 and drive compact heap 423 decline, push down lithium battery module, conducting strip 424 inserts lithium battery module's socket this moment, detects whether conducting strip and the inside metal terminal contact of lithium battery module socket is good.
The parameter detection device 5 comprises a movable jig and a contact pole; and placing the lithium battery module in the movable jig, moving out the lithium battery module, and moving out the contact electrode under the driving of the air cylinder to discharge the lithium battery module so as to detect parameters such as the capacity, the voltage, the internal resistance and the like of the lithium battery module.
As shown in fig. 7, the labeling device 7 includes a labeling machine 71, a movable material receiving platform 72 and a machine platform, the movable material receiving platform 72 is driven by an air cylinder, the material receiving platform 72 can extend into the labeling machine 71, and the labeling machine 71 can automatically label the surfaces of the lithium battery modules.
As shown in fig. 8, the screw cap assembling apparatus 8 includes a circular vibrator 81, a straight vibrator 82, an end material receiving seat 83, a photoelectric sensor 84, an assembling table 85, a jacking assembly 86 and a pressing assembly 87; the outlet of the circular vibrator 81 is connected with the direct vibrator 82, the end material receiving seat 83 is arranged at the discharge end of the direct vibrator 82, a stepped hole with a large upper part and a small lower part is arranged in the end material receiving seat 83, the stepped hole penetrates through the end material receiving seat 83, and the upper end of the end material receiving seat 83 is also provided with a connecting flange; the photoelectric sensor 84 is arranged on the side of the end material receiving seat 83; the assembling table 85 is installed on the frame, the upper part of the assembling table 85 is a placing part, and a round hole is formed in the bottom end face of the placing part corresponding to the position where the screw cover needs to be installed; the jacking assembly 86 is arranged at the lower part of the assembling table 85, the pressing assembly 87 is arranged on the frame, and the jacking assembly 86 and the pressing assembly 87 are positioned at the same axis in the vertical direction.
The jacking assembly 86 comprises a hanging plate 861, a thimble 862 and a loading cylinder 863; the hanging plate 861 is fixedly arranged at the lower part of the assembly table 85, the bottom of the thimble 862 is fixed on a connecting block, and the side of the connecting block is movably connected with the hanging plate 861 through a sliding rail; a middle hole is formed in the middle of the thimble 862, an air suction hole is formed in the upper part of the thimble 862, and an air suction valve is arranged at the lower part of the thimble 862; the loading cylinder 863 is fixedly arranged on the hanger plate 861, and the telescopic end of the loading cylinder 863 is connected with the connecting block.
The pressing assembly 87 comprises a portal frame 871, a pressing cylinder 872 and a pressing plate 873; the portal frame 871 is fixedly arranged on the rack, and the downward pressing cylinder 872 is vertically arranged on the portal frame 871; the lower terminal surface of clamp plate 873 be provided with lithium cell module appearance assorted dent, clamp plate 873 move through the slide rail and connect in portal frame 871 side, clamp plate 873 is connected with the flexible end of pushing down cylinder 872.
When the screw cap assembling device 8 works, the screw caps are sequentially discharged through circular vibration 81 and direct vibration 82 to reach the end material receiving seat 83, and after being detected by the photoelectric sensor 84, the screw caps are firstly pressed down by the air cylinder 872 to drive the pressing plate 873 to descend so as to tightly press the lithium battery module in the assembling table 85; then, air is sucked from the top of the ejector 862 to suck the screw cover, and meanwhile, the air cylinder 863 is installed to drive the ejector 862 to be lifted, so that the screw cover is ejected out to be assembled into a screw hole in the lithium battery module, and the screw is sealed.
The screw cover assembling device 8 solves the problems that screws are easy to block in the working environment of the lithium battery module, and the screws are difficult to disassemble, and the screws are protected by arranging the screw cover outside the screws, so that impurities can enter the screws, and grooves such as internal hexagonal grooves or cross grooves of the screws are blocked; because the screw cap is easy to fall down when being loaded, the thimble 862 capable of sucking air is arranged, so that the verticality of the screw cap can be kept, and the loading success rate is improved; the device is arranged from the lower part, so that the mechanism is simplified, and a turnover mechanism is not required.
As shown in fig. 9, the size detection device 9 includes a base 91, a ranging cylinder 92, a lifting frame 93, a ranging plate 94, a ranging sensor 95 and a movable material receiving base 96; the base 91 is fixedly arranged on the rack, the lifting frame 93 is movably connected in the base 91, the ranging cylinder 92 is arranged on the base 91, the telescopic end of the ranging cylinder 92 is connected with the lifting frame 93, and the ranging plate 94 is arranged on the lifting frame 93; the distance measuring sensor 95 is arranged on the frame, and the distance measuring sensor 95 corresponds to the distance measuring plate 94; the movable material receiving seat 96 is installed on the frame, and the movable material receiving seat 96 is located right below the ranging plate 94.
When the size detection device 9 works, the distance measurement cylinder 92 drives the lifting frame 93 to descend until the distance measurement plate 94 contacts with the surface of the lithium battery module in the movable material receiving seat 96, the height of the lithium battery module is measured by the distance measurement sensor 95, and whether the screw locking process before detection meets the requirements or not is detected.
When the lithium battery module detection equipment works, the lithium battery module detection equipment is processed sequentially through the following steps:
assembling screws: the lithium battery module is placed in the material receiving jig 245 by the battery moving device 3, then the clamping cylinder 246 drives the clamping block 247 to descend to press the lithium battery module, then the rotating cylinder 244 drives the whole material receiving jig 245 to rotate by one hundred eighty degrees, so that the lithium battery module faces downwards, then the driving cylinder 232 drives the material receiving jig 245 to move towards the side, and then the screw locking device 214 is driven by the first sliding table 212 and the second sliding table 213 to move screws in the screw feeding pool 22 to holes of the lithium battery module, which need screws to be assembled, so as to be screwed;
(II) appearance detection: firstly, visual detection is carried out, the lithium battery module is moved out by the movable jig 40 until the lithium battery module abuts against the positioning piece 412, then the camera 413 takes pictures of the lithium battery module, and whether the appearance is defective or not is detected; then, socket passing detection is carried out, the lithium battery module is moved out by the movable jig 40, the pressing cylinder 422 drives the pressing block 423 to descend to press the lithium battery module, the conducting strip 424 is inserted into the socket of the lithium battery module at the moment, and whether the conducting strip is in good contact with the metal terminal inside the socket of the lithium battery module is detected;
(III) parameter detection: the parameter detection device 5 detects the parameters of capacity, voltage and internal resistance of the lithium battery module;
(IV) labeling: the movable material receiving table 72 is driven by an air cylinder, the material receiving table 72 can extend into the labeler 71, and the labeler 71 can automatically label the surfaces of the lithium battery modules;
(V) installing a screw cap: the screw caps are sequentially discharged through circular vibration 81 and direct vibration 82 to reach the end material receiving seat 83, and after being detected by the photoelectric sensor 84, the screw caps are firstly pressed down by the air cylinder 872 to drive the pressing plate 873 to descend so as to tightly press the lithium battery module in the assembling table 85; then sucking air from the top of the ejector pin 862 to suck a screw cover, meanwhile, installing the air cylinder 863 to drive the ejector pin 862 to lift up, ejecting the screw cover, assembling the screw cover into a screw hole in the lithium battery module, and sealing the screw;
(VI) size detection: the distance measuring cylinder 92 drives the lifting frame 93 to descend until the distance measuring plate 94 is in contact with the surface of the lithium battery module in the movable material receiving seat 96, the height of the lithium battery module is measured by the distance measuring sensor 95, and whether the previous screw locking process is satisfactory or not is detected;
(VII) blanking: the lithium battery module is moved by the battery and is transported the unloader with lithium battery module clip by device 3, and unloader is according to test result before, separately the unloading with certified products and defective work.