CN113953216A - Lithium battery cover plate detection machine with unqualified product taking and separating function - Google Patents

Abstract

A lithium battery cover plate detection machine with a function of taking off unqualified products comprises a workbench, wherein an electric controller is arranged below the right end of the workbench; lithium cell apron electric leakage detection mechanism and lithium cell apron electric leakage detection certified products output mechanism with electric controller electrical connection, lithium cell apron electric leakage detection certified products output mechanism establish the left end at the workstation, and lithium cell apron electric leakage detection mechanism is fixed with lithium cell apron electric leakage detection certified products output mechanism in the position that corresponds to lithium cell apron electric leakage detection certified products output mechanism's top, characteristics: the lithium battery cover plate leakage detection qualified product taking-off mechanism is electrically connected with the electric controller, corresponds to the rear part of the lithium battery cover plate leakage detection mechanism and is fixed with the workbench in a state of being emptied above the lithium battery cover plate leakage detection qualified product output mechanism. The defect-free lithium battery cover plate is prevented from being mixed in the qualified lithium battery cover plate, and the quality of all the lithium battery cover plates which are detected is ensured.

Description

Lithium battery cover plate detection machine with unqualified product taking and separating function

Technical Field

The invention belongs to the technical field of automatic detection machinery of lithium battery components, and particularly relates to a lithium battery cover plate detection machine with a function of taking off unqualified products.

Background

The foregoing lithium battery mainly refers to, but is not absolutely limited to, a lithium battery used in an electric vehicle (also referred to as a "new energy vehicle"). As is known in the art, a lithium battery includes a case, a lithium battery core (formed by a plurality of positive and negative plates insulated and separated by a diaphragm) disposed in a cavity of the case, and a cover plate, i.e., a lithium battery cover plate. The lithium battery has the advantages of large capacity, light weight, long service period, high energy density, no memory effect, low self-discharge rate, environmental friendliness and the like, so the lithium battery is well accepted in the industry and widely applied to electric automobiles, electric bicycles, various hardware tools and the like.

The foregoing lithium battery cover plate is an important part of the structural system of the lithium battery and is not disclosed in the published chinese patent documents, such as CN203721782U (power lithium battery cover plate), CN203871392U (integrated high riveting type lithium battery cover plate), CN104466043A (a post type lithium battery cover plate and a post type lithium battery using the same), CN105810857A (a lithium battery upper cover assembly), CN202308090U (post type lithium battery cover plate), and CN102339959A (post type lithium battery cover plate), etc.

In order to ensure the quality and safety of the lithium battery during use, the shell cover plate and the lithium battery cell are generally required to be tested. Taking the lithium battery cover plate as an example, the requirements on the air tightness and the anti-creeping performance of the insulation part are very strict, because if the air tightness is poor, the reliability of the new energy electric automobile can be directly influenced, and because if the insulation performance of the electric insulation part is insufficient, safety accidents can be caused.

In the published chinese patent documents, technical information of devices related to lithium battery component detection is also found, such as CN209311004U (a device for detecting airtightness of a cover plate of a power battery), CN207280669U (a device for testing pressure of a cover plate (i.e., a cover plate of a lithium battery)), CN101915703B (a device for testing withstand voltage of a lithium battery case), CN208721347U (a mechanism for detecting airtightness of a cover plate of a power battery), CN202693423U (a device for testing bursting of a cover plate of a lithium battery with high accuracy), and CN206563639U (a device for testing helium leakage of a cover plate of a power battery), and the like. The above-mentioned exemplary lithium battery cover plate detection device does not teach how to remove the defective lithium battery cover plate detected by the automatic detection mechanism, and the following technical solutions are made in this context.

Disclosure of Invention

The invention aims to provide a lithium battery cover plate detector with unqualified product taking-off function, which is favorable for being well matched with a lithium battery cover plate leakage detection qualified product output mechanism and can accurately take off unqualified lithium battery cover plates on stations of the lithium battery cover plate leakage detection qualified product output mechanism so as to avoid the situation that defective products exist in the lithium battery cover plates of the lithium battery cover plate leakage detection output mechanism.

The task of the invention is completed in such a way that the lithium battery cover plate detection machine with the unqualified product taking-off function comprises a workbench, wherein an electric controller is arranged below the right end of the workbench; the lithium battery cover plate leakage detection device comprises a lithium battery cover plate leakage detection mechanism and a lithium battery cover plate leakage detection qualified product output mechanism which are electrically connected with an electric controller, wherein the lithium battery cover plate leakage detection qualified product output mechanism is arranged at the left end of the workbench, the lithium battery cover plate leakage detection mechanism is fixed with the lithium battery cover plate leakage detection qualified product output mechanism at a position corresponding to the upper part of the lithium battery cover plate leakage detection qualified product output mechanism, and the lithium battery cover plate leakage detection device is characterized by further comprising a lithium battery cover plate leakage detection unqualified product taking-off mechanism which is electrically connected with the electric controller, and the lithium battery cover plate leakage detection unqualified product taking-off mechanism corresponds to the rear part of the lithium battery cover plate leakage detection mechanism and is fixed with the workbench in a state of flying above the lithium battery cover plate leakage detection qualified product output mechanism.

In a specific embodiment of the present invention, the lithium battery cover plate electric leakage detection qualified product output mechanism includes a lithium battery cover plate electric leakage detection qualified product conveyor belt driving device, a lithium battery cover plate electric leakage detection qualified product left output belt guide bar, a lithium battery cover plate electric leakage detection qualified product right output belt guide bar, a lithium battery cover plate electric leakage detection qualified product left output belt, a lithium battery cover plate electric leakage detection qualified product right output belt, a pair of output belt guide bar front fixing supporting seats and a pair of output belt guide bar rear fixing supporting seats, the lithium battery cover plate electric leakage detection qualified product conveyor belt driving device includes a lithium battery cover plate electric leakage detection qualified product conveyor belt driving motor, a lithium battery cover plate electric leakage detection qualified product conveyor belt driving seat, a lithium battery cover plate electric leakage detection qualified product conveyor belt driving wheel, a lithium battery cover plate electric leakage detection qualified product conveyor belt driving driven wheel, a lithium battery cover plate electric leakage detection qualified product driven wheel, a lithium battery cover plate driving device, a lithium battery cover plate driving device, a lithium battery cover plate, a battery cover plate driving device, a battery cover plate, a battery, The lithium battery cover plate electric leakage detection qualified product conveying belt pulley driving shaft and the main driving wheel are connected with a belt, the lithium battery cover plate electric leakage detection qualified product conveying belt driving motor is electrically connected with the electric controller and is fixed with a lithium battery cover plate electric leakage detection qualified product conveying belt driving motor fixing seat, the lithium battery cover plate electric leakage detection qualified product conveying belt driving motor fixing seat is fixed with the front of the left end of the workbench, the lithium battery cover plate electric leakage detection qualified product conveying belt driving wheel is fixed with a motor shaft of the lithium battery cover plate electric leakage detection qualified product conveying belt driving motor, the lithium battery cover plate electric leakage detection qualified product conveying belt driving driven wheel is fixed in the middle of the lithium battery cover plate electric leakage detection qualified product conveying belt pulley driving shaft in a flat key fixing mode, and the left end of the lithium battery cover plate electric leakage detection qualified product conveying belt pulley driving shaft is rotatably supported on a left bearing support frame through a left bearing, the right end of the lithium battery cover plate electric leakage detection qualified product left output belt guide strip is fixed with a left output belt guide strip rear fixing supporting seat in the pair of output belt guide strip front fixing supporting seats, the rear end of the lithium battery cover plate electric leakage detection qualified product left output belt guide strip is fixed with a left output belt guide strip rear fixing supporting seat in the pair of output belt guide strip rear fixing supporting seats, the length direction of the lithium battery cover plate electric leakage detection qualified product right output belt guide strip is parallel to the lithium battery cover plate electric leakage detection qualified product left output belt guide strip, and the front end of the lithium battery cover plate electric leakage detection qualified product right output belt guide strip is parallel to the front end of the lithium battery cover plate electric leakage detection qualified product left output belt guide strip in the length direction and is fixed with the pair of output belt guide strip rear fixing supporting seats The front fixing support seat of the right output belt guide strip in the guide strip front fixing support seats is fixed, the rear end of the front fixing support seat is fixed with the rear fixing support seat of the right output belt guide strip in the pair of output belt guide strip rear fixing support seats, the front end of the left output belt of qualified product of lithium battery cover plate leakage detection is sleeved on the left output belt front belt pulley of qualified product of lithium battery cover plate leakage detection, the rear end of the left output belt is sleeved on the left output belt rear belt pulley of qualified product of lithium battery cover plate leakage detection, the middle part of the left output belt of qualified product of lithium battery cover plate leakage detection is in contact with the upper surface and the lower surface of the left output belt guide strip of qualified product of lithium battery cover plate leakage detection, and the position of the left output belt front belt pulley of qualified product between the left bearing support frame and the left side of the driven wheel of the conveying belt of qualified product of lithium battery cover plate leakage detection is fixed on the left side of the lithium battery cover plate leakage detection qualified product conveying belt in a flat key leakage fixing mode The qualified product left output belt rear belt pulley is rotationally arranged on a qualified product left output belt rear belt pulley shaft which is fixed on a qualified product left output belt rear belt pulley shaft seat which is fixed at the rear end of the lithium battery cover plate leakage detection qualified product left output belt guide strip, the front end of the lithium battery cover plate leakage detection qualified product right output belt is sleeved on a qualified product right output belt front belt pulley of the lithium battery cover plate leakage detection qualified product right output belt, the rear end of the lithium battery cover plate leakage detection qualified product right output belt is sleeved on a qualified product right output belt rear belt pulley of the lithium battery cover plate leakage detection qualified product right output belt, the middle part of the lithium battery cover plate leakage detection qualified product right output belt is pasted and contacted with the upper surface and the lower surface of the lithium battery cover plate leakage detection qualified product right output belt guide strip, the qualified product right output belt front belt pulley is fixed on the lithium battery cover plate electric leakage detection qualified product conveying belt pulley driving shaft in a flat key fixing mode at a position between the right bearing support frame and the right side of the lithium battery cover plate electric leakage detection qualified product conveying belt driven wheel, the qualified product right output belt rear belt pulley is rotatably arranged on a qualified product right output belt rear belt pulley shaft which is fixed on a qualified product right output belt rear belt pulley shaft seat which is fixed at the rear end of the lithium battery cover plate electric leakage detection qualified product right output belt guide bar, a pair of output belt guide bar front fixing support seats are fixed in the middle of an output belt guide bar front fixing support seat supporting shaft, and the left end of the output belt guide bar front fixing support seat supporting shaft is fixed with the left bearing support frame, the right end of the right bearing support frame is fixed, a pair of output belt guide strip rear fixed support seats are fixed in the middle of the output belt guide strip rear fixed support seat support shaft, two ends of the output belt guide strip rear fixed support seat support shaft are respectively fixed on a pair of support shaft supports which are opposite and corresponding to each other, and the lower parts of the support shaft supports are fixed on the workbench; the lithium battery cover plate leakage detection mechanism corresponds to the upper parts of the left output belt of the qualified product of lithium battery cover plate leakage detection and the right output belt of the qualified product of lithium battery cover plate leakage detection in a state that the lithium battery cover plate leakage detection mechanism is fixed with the side surfaces of the left output belt guide bar of the qualified product of lithium battery cover plate leakage detection and the right output belt guide bar of the qualified product of lithium battery cover plate leakage detection; the lithium battery cover plate leakage detection unqualified product taking-off mechanism corresponds to the upper parts of the lithium battery cover plate leakage detection qualified product left output belt guide strip and the lithium battery cover plate leakage detection qualified product right output belt guide strip in an emptying state.

In another specific embodiment of the invention, the lithium battery cover plate leakage detection unqualified product taking-off mechanism comprises a workbench fixed vertical plate, a slide rail seat fixed plate, a left slide rail seat, a right slide rail seat, a linear air cylinder slide block, an unqualified product suction nozzle fixed plate lifting action cylinder, an unqualified product suction nozzle fixed plate and a pair of unqualified product suction nozzles, wherein the bottom of the workbench fixed vertical plate is fixed with the workbench, the upper part of the workbench fixed vertical plate extends upwards towards the direction away from the workbench, the left end of the slide rail seat fixed plate is fixed with the rear side of the upper part of the workbench fixed vertical plate, the right end of the slide rail seat fixed plate corresponds to the upper parts of the lithium battery cover plate leakage detection qualified product left output belt guide bar and the lithium battery cover plate leakage detection qualified product right output belt guide bar in a horizontal cantilever state, and the left slide rail seat is fixed with the rear side of the left end of the slide rail seat fixed plate, a left slide rail seat signal collector is arranged on the left slide rail seat, a right slide rail seat is fixed with the rear side of the right end of the slide rail seat fixing plate, a right slide rail seat signal collector is arranged on the right slide rail seat, a slide rail seat reinforcing strip is fixed between the left slide rail seat and the upper part of the right slide rail seat, a line laying groove is formed on one upward side of the length direction of the slide rail seat reinforcing strip, a linear air cylinder is fixed between the left slide rail seat and the right slide rail seat, the middle part of a linear air cylinder sliding block is matched with a linear air cylinder, the upper end and the lower end of the linear air cylinder sliding block are respectively matched with a linear air cylinder sliding block guide rod in a sliding way, the linear air cylinder sliding block guide rod is fixed between the left slide rail seat and the right slide rail seat, a unqualified product suction nozzle fixing plate lifting cylinder is fixed with the linear air cylinder sliding block through a unqualified product suction nozzle fixing plate lifting cylinder seat, a sliding plate collision block is fixed at the top of the unqualified product suction nozzle fixing plate lifting cylinder, a sliding plate rising limit position signal collector is fixed on the sliding plate collision block, a sliding plate collision head signal collector fixing seat is fixed at the bottom of a lifting action cylinder of a suction nozzle fixing plate of an unqualified product, the sliding plate collision head signal collector fixing seat is provided with a sliding plate descending limit position signal collector, the upper end surface of the sliding plate of the unqualified product suction nozzle fixing plate lifting acting cylinder corresponds to the sliding plate ascending limit position signal collector, the ram of the sliding plate formed on the right side of the sliding plate corresponds to the signal collector of the descending limit position of the sliding plate, the middle part of the unqualified product suction nozzle fixing plate is fixed with the lower end of the suction nozzle fixing plate supporting frame in the L shape, the upper end of the suction nozzle fixing plate supporting frame is fixed with the sliding plate, a pair of unqualified product suction nozzles are respectively fixed at two ends of the unqualified product suction nozzle fixing plate, and are connected with a negative pressure generating device through a pipeline in a use state; the left slide rail seat signal collector, the right slide rail seat signal collector, the linear air cylinder, the slide plate ascending limit position signal collector, the slide plate descending limit position signal collector, the unqualified product suction nozzle fixing plate lifting acting cylinder and the negative pressure generating device are electrically connected with the electric controller in a control mode.

The technical scheme provided by the invention has the technical effects that: because the lithium battery cover plate leakage detection unqualified product taking-off mechanism which is fixed with the workbench and electrically connected with the electric controller is arranged at the rear part corresponding to the lithium battery cover plate leakage detection mechanism and in a state of being vacated above the lithium battery cover plate leakage detection qualified product output mechanism, the lithium battery cover plate leakage detection unqualified product taking-off mechanism can be well matched with the lithium battery cover plate leakage detection qualified product output mechanism, unqualified lithium battery cover plates with insulation problems detected by the lithium battery cover plate leakage detection mechanism can be accurately taken off, defective lithium battery cover plates are prevented from being mixed in the qualified lithium battery cover plates, and the quality of all the lithium battery cover plates which are detected is ensured.

Drawings

FIG. 1 is a schematic diagram of an embodiment of the present invention.

Fig. 2 is a detailed configuration diagram of the lithium battery cover plate inspection input mechanism shown in fig. 1.

Fig. 3 is a detailed configuration diagram of the lithium battery cover plate transfer robot left-right displacement driving mechanism and the lithium battery cover plate transfer robot shown in fig. 1.

Fig. 4 is a detailed structural diagram of a set of lithium battery cover plate separating devices of the structural system of the lithium battery cover plate submission input mechanism shown in fig. 1 and 3.

Fig. 5 is a partial configuration diagram of the airtightness alternation check mechanism for a lithium battery cover shown in fig. 1.

Fig. 6 is an enlarged view of a portion a of fig. 5.

Fig. 7 is an overall configuration diagram of the airtightness alternation detection mechanism for a lithium battery cover shown in fig. 1.

Fig. 8 is a detailed configuration diagram of the lithium battery cover plate leakage detection non-defective product output mechanism shown in fig. 1.

Fig. 9 is a detailed configuration diagram of the leakage detecting mechanism of the lithium battery cover shown in fig. 1.

Fig. 10 is a detailed configuration diagram of the lithium battery cover plate leakage detection defective item removing mechanism shown in fig. 1.

Detailed Description

In order to clearly understand the technical spirit and the advantages of the present invention, the applicant below describes in detail by way of example, but the description of the example is not intended to limit the technical scope of the present invention, and any equivalent changes made according to the present inventive concept, which are merely in form and not in material, should be considered as the technical scope of the present invention.

In the following description, all the concepts related to the directions or orientations of up, down, left, right, front and rear are based on the position state of fig. 1, and thus, it should not be understood as a particular limitation to the technical solution provided by the present invention.

Referring to fig. 1, there is shown a table 1 in the shape of a rectangular solid, and an electric controller 30 is provided below the right end of the table 1; a lithium battery cover plate leakage detection mechanism 5 and a lithium battery cover plate leakage detection qualified product output mechanism 6 which are electrically connected with the electric controller 30 are shown, the lithium battery cover plate leakage detection qualified product output mechanism 6 is arranged at the left end of the workbench 1, the lithium battery cover plate leakage detection mechanism 5 is fixed with the lithium battery cover plate leakage detection qualified product output mechanism 6 at a position corresponding to the upper part of the lithium battery cover plate leakage detection qualified product output mechanism 6, a lithium battery cover plate leakage detection unqualified product taking mechanism 7 which is electrically connected with the electric controller 30 and is additionally arranged in the invention and used as the technical key point of the invention is also shown, the lithium battery cover plate leakage detection unqualified product taking-away mechanism 7 corresponds to the rear part of the lithium battery cover plate leakage detection mechanism 5 and is fixed with the workbench 1 in a state of being emptied above the lithium battery cover plate leakage detection qualified product output mechanism 6.

Fig. 1 also shows a lithium battery cover plate censorship input mechanism 2, a lithium battery cover plate airtightness alternating detection mechanism 3 and a lithium battery cover plate airtightness unqualified detection product output mechanism 4 as the structural system of the lithium battery cover plate testing machine, wherein the lithium battery cover plate censorship input mechanism 2, the lithium battery cover plate airtightness alternating detection mechanism 3, the lithium battery cover plate airtightness unqualified detection product output mechanism 4 and the lithium battery cover plate electric leakage detection qualified product output mechanism 6 are distributed at intervals from right to left in sequence and are arranged on the workbench 1 in a state of being parallel to the short side direction of the workbench 1; also shown is a lithium battery cover plate transfer manipulator left and right displacement driving mechanism 8, a lithium battery cover plate transfer manipulator 9, a vacuum pumping mechanism 10 and a mass spectrometer 20 which are still used as the structural system of the lithium battery cover plate testing machine, the lithium battery cover plate transfer manipulator left and right displacement driving mechanism 8 is arranged in the middle of the workbench 1 in a state of being vacated above the long edge direction of the workbench 1 from left to right, namely extending from the left end to the right end of the workbench 1, the lithium battery cover plate transfer manipulator 9 is arranged on the lithium battery cover plate transfer manipulator left and right displacement driving mechanism 8 in a left and right moving way and is in transmission connection with the lithium battery cover plate transfer manipulator left and right displacement driving mechanism 8, the vacuum pumping mechanism 10 is arranged at one downward side of the workbench 1, the vacuum pumping mechanism 10 is connected with the lithium battery cover plate air tightness alternating detection mechanism 3 and the mass spectrometer 20 through pipelines, the mass spectrometer 20 is arranged at the left end of the workbench 1, and the lithium battery cover plate inspection input mechanism 2, the lithium battery cover plate air tightness alternate detection mechanism 3, the lithium battery cover plate air tightness unqualified detection product output mechanism 4, the lithium battery cover plate moving manipulator left and right displacement driving mechanism 8, the lithium battery cover plate moving manipulator 9, the vacuumizing mechanism 10 and the mass spectrometer 20 are also electrically connected with the electric controller 30 in a control manner.

As shown in fig. 1, the above-mentioned table 1 has a frame-shaped or hollow-out table support frame 11, which will be mentioned later, a mass spectrometer support plate 111 is fixed to the upper left end of the table support frame 11 in a horizontally cantilevered state at a position corresponding to the left end of the table 1, and the above-mentioned mass spectrometer 20 is disposed on the mass spectrometer support plate 111. A vacuum-pumping-pump support plate 112 is fixed in a horizontally cantilevered state at a position corresponding to the lower portion of the mass spectrometer support plate 111 at the lower left end of the table support frame 11, and a vacuum-pumping pump 40 connected to the vacuum-pumping mechanism 10 and the electric controller 30 is provided on the vacuum-pumping-pump support plate 112. The above-mentioned short side direction of the table 1 is a dimension in a direction of a length from the front side to the rear side in the position state shown in fig. 1. Accordingly, the longitudinal direction of the table 1 means the dimension of the table 1 in the longitudinal direction from the left end to the right end. Preferably, a table support frame support leg 113 for horizontally adjusting the table 1 may be provided at the bottom of the table support frame 11, and a support roller 1121 may be provided at the bottom of the vacuum pump support plate 112.

Referring to fig. 2 to 4 in combination with fig. 1, the lithium battery cover plate inspection input mechanism 2 is disposed on one upward side of the right end of the workbench 1, the lithium battery cover plate inspection input mechanism 2 includes a lithium battery cover plate inspection conveyor belt driving device 21, a guide rail strip front fixing device 22, a guide rail strip rear fixing device 23, a left guide rail strip 24, a right guide rail strip 25, a lithium battery cover plate inspection input left conveyor belt 26, a lithium battery cover plate inspection input right conveyor belt 27, a group of lithium battery cover plate separating devices 28, and a group of lithium battery cover plate pushing cylinders 29, the lithium battery cover plate inspection conveyor belt driving device 21 includes a lithium battery cover plate inspection conveyor belt driving motor 211, a lithium battery cover plate inspection conveyor belt driving motor fixing seat 212, a lithium battery cover plate inspection conveyor belt driving wheel 213, a lithium battery cover plate inspection conveyor belt driving driven wheel 214, a lithium battery cover plate conveying belt driving driven wheel 214, a lithium battery cover plate pushing wheel driving wheel and a lithium battery cover plate pushing cylinder pushing the lithium battery cover plate pushing cylinder to push the lithium battery cover plate to move upward, A power transition transmission belt 215 and a transmission belt pulley driving shaft 216, a lithium battery cover plate delivery detection transmission belt driving motor 211 is fixed with a lithium battery cover plate delivery detection transmission belt driving motor fixing seat 212 and is fixed by the lithium battery cover plate delivery detection transmission belt driving motor fixing seat 212 at the front of the right end of the workbench 1 through a lithium battery cover plate delivery detection transmission belt driving motor fixing seat screw 2121 and a lithium battery cover plate delivery detection transmission belt driving motor 211, a lithium battery cover plate delivery detection transmission belt driving motor shaft 2111 of the lithium battery cover plate delivery detection transmission belt driving motor 211 extends to the left side of the lithium battery cover plate delivery detection transmission belt driving motor fixing seat 212, a lithium battery cover plate delivery detection transmission belt driving wheel 213 is fixed with the lithium battery cover plate delivery transmission belt driving motor shaft 2111 at the position of the left side of the lithium battery cover plate delivery detection transmission belt driving motor fixing seat 212, the lithium battery cover plate delivery inspection conveying belt driven wheel 214 is fixed on the conveying belt wheel driving shaft 216 in a flat key fixing mode, one end of the power transition transmission belt 215 is sleeved on the lithium battery cover plate delivery inspection conveying belt driving wheel 213, the other end is sleeved on the lithium battery cover plate delivery inspection conveying belt driven wheel 214, the left end of the conveying belt wheel driving shaft 216 is rotatably supported on a conveying belt wheel driving shaft left supporting seat 2161 through a bearing, the right end of the conveying belt wheel driving shaft 216 is also rotatably supported on a conveying belt wheel driving shaft right supporting seat 2162 through a bearing, the conveying belt wheel driving shaft left supporting seat 2161 and the conveying belt wheel driving shaft right supporting seat 2162 correspond to each other in the left-right direction and are respectively fixed with the workbench 1 through screws at the bottom, the guide rail bar front fixing device 22 comprises a guide rail bar front end fixing seat shaft 221, a left guide rail bar front end fixing seat 222 and a right guide rail bar front end fixing seat 223, the guide rail bar front end fixing base shaft 221 corresponds to the rear of the aforementioned conveyor pulley drive shaft 216, the left end of the guide rail bar front end fixing base shaft 221 is fixed to the aforementioned conveyor pulley drive shaft left support base 2161 by a screw, the right end of the guide rail bar front end fixing base shaft 221 is also fixed to the aforementioned conveyor pulley drive shaft right support base 2162 by a screw (schematically shown in fig. 2), the left guide rail bar front end fixing base 222 and the right guide rail bar front end fixing base 223 are fixed to the middle of the guide rail bar front end fixing base shaft 221 in a state of being left-right corresponding to each other and being spaced from each other, the guide rail bar rear fixing means 23 includes a guide rail bar rear fixing base shaft 231, a left guide rail bar rear end fixing base 232, a right guide rail bar rear end fixing base 233, a guide rail bar rear fixing shaft left support base 234 and a guide rail rear fixing shaft right 235, the left end of the guide rail bar rear fixing base shaft 231 is fixed to the guide rail bar rear left support base 234, the right end of the guide rail rear fixing shaft 231 is fixed to the guide rail rear fixing shaft right supporting base 235, the left guide rail rear end fixing base 232 and the right guide rail rear end fixing base 233 are fixed to the middle of the guide rail rear fixing base shaft 231 in a state of being left-right corresponding to each other and being spaced from each other, the left guide rail rear end fixing base 232 is fixed to the left guide rail front end fixing base 222, the right guide rail rear end fixing base 233 is fixed to the right guide rail front end fixing base 223, the guide rail rear fixing shaft left supporting base 234 and the guide rail rear fixing shaft right supporting base 235 are fixed to the right end rear of the table 1 in a state of being left-right corresponding to each other, the guide rail rear fixing shaft left supporting base 234 is corresponding to the conveying pulley driving shaft left supporting base 2161, the guide rail rear fixing shaft right supporting base 235 is corresponding to the conveying pulley driving shaft right 2162, the front end of the left guide rail 24 is fixed to the left guide rail front end fixing base 222 by the left guide rail front fixing screw 241 Fixing, a lithium battery cover plate retaining plate fixing seat 242 is fixed on the right side of the front end of the left guide rail 24 and at a position corresponding to the upper side of the front end fixing seat 222 of the left guide rail, a lithium battery cover plate retaining plate 2421 is fixed on the rear side of the lithium battery cover plate retaining plate fixing seat 242, the rear end of the left guide rail 24 is fixed with the left guide rail rear end fixing seat 232 through a left guide rail rear end fixing screw 243, a set of left end face baffle fixing seats 244 of the lithium battery cover plate is fixed on the left side corresponding to the length direction of the left guide rail 24 at intervals, a left end face baffle 245 of the lithium battery cover plate is fixed on the set of left end face baffle fixing seats 244 of the lithium battery cover plate through a left end face baffle fixing screw 2451, the left end face baffle 245 of the lithium battery cover plate is attached to the left side face of the left guide rail 24 and the upper edge of the left end face baffle 245 of the lithium battery cover plate in the length direction is detected out of the upper plane of the left guide rail 24, a barrier plate support plate 246 is fixed on the right side of the front end of the left guide rail bar 24, the front end of the right guide rail bar 25 is fixed with the front end fixing seat 223 of the right guide rail bar by a right guide rail bar front fixing screw 251, the rear end of the right guide rail bar 25 is fixed with the rear end fixing seat 233 of the right guide rail bar by a right guide rail bar rear fixing screw 252, a set of inspection lithium battery cover plate right end baffle fixing seats 253 is fixed on the right side corresponding to the length direction of the right guide rail bar 25 at intervals, an inspection lithium battery cover plate right end baffle 254 is fixed on the set of inspection lithium battery cover plate right end baffle fixing seats 253 by an inspection lithium battery cover plate right end baffle fixing screw 2541, the inspection lithium battery cover plate right end baffle 254 is attached to the right side surface of the right guide rail bar 25 and the upper edge of the length direction of the inspection lithium battery cover plate right end baffle 254 is extended out of the upper plane of the right guide rail bar 25, a lithium battery cover plate signal collector 2543 is arranged on the upper edge of the right end face baffle 254 of the lithium battery cover plate to be inspected and at a position corresponding to the space between the adjacent lithium battery cover plate separators 28, the lithium battery cover plate signal collector 2543 is electrically connected with the electric controller 30, the front end of the lithium battery cover plate inspection input left conveying belt 26 is sleeved on the lithium battery cover plate inspection input left conveying belt front belt pulley 261, the lithium battery cover plate inspection input left conveying belt front belt pulley 261 is fixed on the conveying belt driving shaft 216 at a position between the conveying belt driving shaft left supporting seat 2161 and the lithium battery cover plate inspection conveying belt driving driven wheel 214, and the rear end of the lithium battery cover plate inspection input left conveying belt 26 is sleeved on the lithium battery cover plate inspection input left conveying belt rear belt pulley 262 corresponding to the front end of the left guide rail 24, the lithium battery cover plate censoring input left conveyor belt rear pulley 262 is arranged on the lithium battery cover plate censoring input left conveyor belt rear pulley bearing seat 2621 at a position corresponding to the rear end of the left guide rail strip 24, the lithium battery cover plate censoring input left conveyor belt rear pulley bearing seat 2621 is fixed with the left side of the rear end of the left guide rail strip 24, because the rear pulley bearings 2622 (a pair) rotatably arranged on the lithium battery cover plate censoring input left conveyor belt rear pulley 262 and a rear pulley bearing matching shaft 2623 supported by the pair of rear pulley bearings 2622 are shown in fig. 2, and the arrangement mode of the lithium battery cover plate censoring input left conveyor belt 26 is the same as that of the qualified product left output belt rear pulley 642 to be mentioned below, which is not repeated by the applicant, the left guide rail strip 24 corresponds to the middle part of the belt cavity of the lithium battery cover plate censoring input left conveyor belt 26 and is used for the lithium battery cover plate censoring input on the opposite side of the left conveyor belt 26 The middle part is contacted with the upper and lower surfaces of the left guide rail strip 24, the front end of the lithium battery cover plate delivery input right conveying belt 27 is sleeved on the lithium battery cover plate delivery input right conveying belt front belt pulley 271, the lithium battery cover plate delivery input right conveying belt front belt pulley 271 is fixed on the conveying belt pulley driving shaft 216 at the position between the conveying belt driving shaft right supporting seat 2162 and the lithium battery cover plate delivery conveying belt driving driven wheel 214 and corresponds to the front end of the right guide rail strip 25, the rear end of the lithium battery cover plate delivery input right conveying belt 27 is sleeved on the lithium battery cover plate delivery input right conveying belt rear belt pulley 272, the lithium battery cover plate delivery input right conveying belt rear belt pulley 272 (which is arranged in the same way as the lithium battery cover plate delivery input left conveying belt rear belt pulley 262) is arranged on the lithium battery cover plate delivery input right conveying belt rear wheel shaft supporting seat 2721 at the position corresponding to the rear end of the right guide rail strip 25, the lithium battery cover plate delivery inspection input right conveyor belt rear belt wheel bearing 2721 is fixed with the right side of the rear end of the right guide rail strip 25, the right guide rail strip 25 corresponds to the middle of the belt cavity of the lithium battery cover plate delivery inspection input right conveyor belt 27 and the middle of the opposite side of the lithium battery cover plate delivery inspection input right conveyor belt 27 is contacted with the upper and lower surfaces of the right guide rail strip 25, a group of lithium battery cover plate separating devices 28 are arranged on the barrier plate supporting plate 246 at intervals and are positioned between the opposite sides of the left guide rail strip 24 and the right guide rail strip 25, the group of lithium battery cover plate separating devices 28, the lithium battery cover plate delivery inspection conveyor belt driving motor 211 and a group of lithium battery cover plate pushing acting cylinders 29 are electrically controlled and connected with the electric controller 30, the group of lithium battery cover plate pushing acting cylinders 29 are respectively fixed on the right side of the delivery inspection lithium battery cover plate right end face baffle 254 at intervals through lithium battery cover plate pushing acting cylinder fixing seats 291, and the lithium battery cover plate pushing cylinder column 292 of the group of lithium battery cover plate pushing cylinder 29 passes through the lithium battery cover plate pushing cylinder column abdicating hole 2542 arranged on the upper edge (namely the upper part) of the right end face baffle 254 of the lithium battery cover plate to extend to the left side of the right end face baffle 254 of the lithium battery cover plate to be inspected; the lithium battery cover plate air tightness alternate detection mechanism 3 is positioned on the left side of the left guide rail strip 24; when the lithium battery cover plate transfer manipulator 9 driven by the lithium battery cover plate transfer manipulator left-right displacement driving mechanism 8 is displaced to the right to a stop point, the lithium battery cover plate transfer manipulator 9 corresponds to the upper part of the group of lithium battery cover plate separating devices 28 in an empty state; the rear ends of the left guide rail strip 24, the right guide rail strip 25, the lithium battery cover plate air tightness unqualified detected product output mechanism 4 and the lithium battery cover plate electric leakage detection qualified product output mechanism 6 respectively extend to the rear edge of the workbench 1 in a horizontal cantilever state; the lithium battery cover plate leakage detection mechanism 5 is positioned between the lithium battery cover plate leakage detection unqualified product taking mechanism 7 and the left end of the lithium battery cover plate moving manipulator left-right displacement driving mechanism 8; the aforementioned table 1 is provided on a table support frame 11 already mentioned above, and at the left end of this table support frame 11 and at a position corresponding to the lower side of the aforementioned mass spectrometer 20, there is provided an already mentioned secondary vacuum pump 40 connected to the aforementioned vacuum pumping mechanism 10 by piping and also connected to the aforementioned mass spectrometer 20 at the same time.

Referring to fig. 2 and 4 in combination with fig. 1 and 3, each of the aforementioned lithium battery cover plate spacers 28 includes a blocking plate frame lifting cylinder 281, a blocking plate frame lifting cylinder fixing base 282, a blocking plate bracket 283, a blocking plate 284, a blocking plate bracket connecting slider 285, a blocking plate bracket connecting slider guide 286 and a blocking plate bracket connecting slider guide fixing base 287, the blocking plate bracket connecting slider guide fixing base 287 is fixed to the right side of the aforementioned blocking plate support plate 246 by a blocking plate bracket connecting slider guide fixing base screw 2871 (shown in fig. 2) and forms a vertical relationship with the right side of the horizontally disposed blocking plate support plate 246, the blocking plate frame lifting cylinder 281 is electrically connected to the aforementioned electric controller 30, the upper portion of the cylinder body of the blocking plate frame lifting cylinder 281 is fixed to the front end of the blocking plate frame lifting cylinder fixing base 282 by a blocking plate frame lifting cylinder body screw 2812, a barrier plate frame lifting action cylinder column 2811 of the barrier plate frame lifting action cylinder 281 faces upwards and extends to the upper part of the front end of the barrier plate frame lifting action cylinder fixing seat 282, the rear end of the barrier plate frame lifting action cylinder fixing seat 282 is fixedly connected with the bottom of the barrier plate bracket connecting slide rail fixing seat 287 through a pair of barrier plate frame lifting action cylinder fixing seat screws 2821, an action cylinder column connecting plate 2832 is fixed at the bottom of the barrier plate bracket 283, a cylinder column connecting screw 28321 is arranged on the action cylinder column connecting plate 2832, the cylinder column connecting screw 28321 is connected with the barrier plate frame lifting action cylinder column 2811, the barrier plate bracket 283 is fixed with the front side surface of the barrier plate bracket connecting slide 285 through a group of barrier plate bracket fixing screws 2831, the barrier plate 284 is fixed with the upper end surface of the barrier plate bracket 283 through a barrier plate fixing screw 2841, and the left end of the barrier plate 284 corresponds to the upper part of the barrier plate supporting plate 246, the rear side of the barrier plate bracket connection slide 285 is in up-down sliding fit with the barrier plate bracket connection slide guide 286, and the barrier plate bracket connection slide guide 286 is fixed with the aforementioned barrier plate bracket connection slide guide fixing base 287 by the barrier plate bracket connection slide guide fixing screw 2861.

Under the work of the aforesaid lithium battery cover censorship conveyor belt driving motor 211 connected with the electrical control of electrical controller 30, it drives the lithium battery cover censorship conveyor belt driving drive wheel 213 to move (rotate) by lithium battery cover censorship conveyor belt driving motor shaft 2111, it drives the lithium battery cover censorship conveyor belt driving drive wheel 213 through power transition drive belt 215, thereby make conveyor belt pulley drive shaft 216, it drives lithium battery cover censorship input left conveyor belt front pulley 261 and lithium battery cover censorship input right conveyor belt front pulley 271 simultaneously by this conveyor belt drive shaft 216, thereby make lithium battery cover censorship input left conveyor belt 26 around lithium battery cover censorship input left conveyor belt front pulley 261 and lithium battery cover censorship input right conveyor belt rear pulley 262 move, make lithium battery cover censorship input right conveyor belt 27 around lithium battery cover censorship input right conveyor belt front pulley 271 and lithium battery cover censorship input right conveyor belt rear pulley 262 move simultaneously The plate inspection input right belt pulley 272 moves to convey the lithium battery cover plates 50 illustrated in the drawing from the rear to the front, i.e., in the direction toward the aforementioned group of lithium battery cover plate separators 28. In the use state, taking manual feeding as an example: the lithium battery cover plates 50 to be tested are manually placed one by a worker to the upper part between the lithium battery cover plate submission input left and right conveying belts 26 and 27, specifically, the worker shelves one end of the lithium battery cover plate 50 on the lithium battery cover plate submission input left conveying belt 26 and the other end of the lithium battery cover plate 50 on the lithium battery cover plate submission input right conveying belt 27 at the rear side of the workbench 1 and at the positions corresponding to the rear ends of the lithium battery cover plate submission input left and right conveying belts 26 and 27, and the lithium battery cover plates 50 to be tested are delivered to the station which is shown in fig. 1 and can be extracted by the lithium battery cover plate transfer manipulator 9 by the lithium battery cover plate submission input left and right conveying belts 26 and 27 which move anticlockwise and synchronously.

In the above process, when the first lithium battery cover plate 50 reaches the level of touching the blocking piece 2421 of the lithium battery cover plate, that is, when the first lithium battery cover plate signal collector 2543 (using the photoelectric sensor in the present invention) for inspection is reached, the first lithium battery cover plate signal collector 2543 is used for sensing, and the signal is fed back to the electric controller 30, the electric controller 30 sends a working instruction to the foremost blocking plate frame lifting cylinder 281 shown in fig. 2, the blocking plate frame lifting cylinder 281 extends upwards to push the blocking plate bracket 283 and the blocking plate 284 to lift upwards, so that the next lithium battery cover plate 50 reaches and touches the blocking plate 284, and the end faces of the two ends of the lithium battery cover plate 50 are respectively limited by the opposite sides of the left end face blocking plate 245 and the right end face blocking plate 254 of the lithium battery cover plate for inspection. By analogy, until four lithium battery cover plates 50 which are not shown in the figure all reach to touch the corresponding barrier plates 284, the last lithium battery cover plate signal collector 2543 (which may be called a photoelectric switch or other equivalent electronic and electrical elements, and the same concept of the signal collector is used below) feeds back a signal to the electrical controller 30, so that the lithium battery cover plate inspection conveying belt driving motor 211 stops working, and then a group of lithium battery cover plate pushing action cylinders 29 work to push the right end face of the lithium battery cover plate 50 once, and after pushing, the group of lithium battery cover plate pushing action cylinders 29 reset, so that all the positions of the four lithium battery cover plates 50 are neat and consistent. According to the conventional knowledge, the number of lithium battery cover plates 50 to be inspected at one time is equal to the number of the above-mentioned group of lithium battery cover plate separation devices 28. After the pushing cylinder 29 of the lithium battery cover plate is reset, the electric controller 30 sends a signal to the lithium battery cover plate transferring manipulator 9 to be described in detail below, the lithium battery cover plate 50 is transferred to a station where the lithium battery cover plate airtightness alternating detection mechanism 3 to be described below is located by the lithium battery cover plate transferring manipulator 9, meanwhile, since the lithium battery cover plate 50 is removed, the signal collector 2543 for inspecting the lithium battery cover plate is not required to probe the lithium battery cover plate 50, the blocking plate frame lifting cylinder 281 is reset, and the next round of repeated actions identical to the above actions are carried out.

Referring to fig. 5 to 7 in combination with fig. 1, the lithium battery cover plate airtightness alternating detection mechanism 3 has a pair corresponding to each other on the left and right sides and is located between the left side of the left guide rail 24 of the lithium battery cover plate inspection input mechanism 2 and the lithium battery cover plate airtightness defective detection product output mechanism 4, the lithium battery cover plate airtightness alternating detection mechanisms 3 each include a lithium battery cover plate airtightness detection carriage front-rear displacement driving device 31, a lithium battery cover plate airtightness detection carriage 32, a detection gas introduction device 33, an air-extraction upper mold plate 34, an upper mold plate frame 35 and an upper mold plate frame pressing device 36, the lithium battery cover plate airtightness detection carriage front-rear displacement driving device 31 is fixed on the worktable 1 and is located between the left side of the left guide rail 24 and the lithium battery cover plate airtightness defective detection product output mechanism 4, in a use state, the lithium battery cover plate air tightness detection bearing frame front-back displacement driving device 31 is electrically connected with the electric controller 30, the lithium battery cover plate air tightness detection bearing frame 32 is arranged on the lithium battery cover plate air tightness detection bearing frame front-back displacement driving device 31 in a back-and-forth movement mode, the detection gas introducing device 33 is arranged on the lithium battery cover plate air tightness detection bearing frame 32 and is connected with a detection gas supply source through a pipeline in the use state, the air-extracting upper template 34 corresponds to the top of the lithium battery cover plate air tightness detection bearing frame 32 and is fixed with the downward side of the upper template frame 35, and the upper template frame 35 is connected with the upper template frame pressing device 36 in a vertically floating mode at a position below the upper template frame pressing device 36; the vacuum pumping mechanism 10 is connected to the upper vacuum pumping plate 34 through a pipe.

Referring to fig. 5, the aforementioned front-rear displacement driving device 31 for the lithium battery lid hermetic sealing detection carrier includes a left hermetic sealing detection carrier rail 311, a right hermetic sealing detection carrier rail 312, a front-rear displacement driving cylinder 313 of the hermetic sealing detection carrier, a front air-extracting lower plate limiting block 314, and a rear air-extracting lower plate limiting block 315, the left hermetic sealing detection carrier rail 311 and the right hermetic sealing detection carrier rail 312 are fixed on the table 1 in a state of being horizontally corresponding to each other and being parallel to each other in the longitudinal direction, a pair of left hermetic sealing detection carrier rail sliders 3111 is slidably provided on the left hermetic sealing detection carrier rail 311, a pair of right hermetic sealing detection carrier rail sliders 3121 is slidably provided on the right hermetic sealing detection carrier rail 312, and the front-rear displacement driving cylinder 313 of the hermetic sealing detection carrier is located between the left hermetic sealing detection carrier rail 311 and the right hermetic sealing detection carrier rail 312, the front end and the rear end of the air-tightness detection bearing frame front-rear displacement driving acting cylinder 313 are respectively fixed on a front-rear displacement driving acting cylinder fixing seat 3131 of an air-tightness detection bearing frame, an anti-interference space is kept between the middle part of the air-tightness detection bearing frame front-rear displacement driving acting cylinder 313 and the workbench 1 for a sliding block of the air-tightness detection bearing frame front-rear displacement driving acting cylinder, the bottom of the air-tightness detection bearing frame front-rear displacement driving acting cylinder fixing seat 3131 is fixed with the workbench 1, the lower air-pumping template front limiting block 314 is fixed on the workbench 1 at a position corresponding to the front end of the air-tightness detection bearing frame front-rear displacement driving acting cylinder 313, an air-pumping lower template front buffer 3141 and an air-pumping lower template front position signal collector 3142 are arranged at the rear side of the lower air-pumping template front limiting block 314, the lower air-pumping template rear limiting block 315 is fixed on the workbench 1 at a position corresponding to the rear end of the air-tightness detection bearing frame front-rear displacement driving acting cylinder 313 and is fixed with the front-pumping lower template front limiting block 1 and with the front-pumping lower template front-plate The lower air-extracting template front limit block 314 corresponds to the lower air-extracting template rear limit block 315, and an air-extracting lower template rear buffer 3151 and an air-extracting lower template rear position signal collector 3152 are arranged at the front side of the lower air-extracting template rear limit block; the air tightness detection bearing frame front and back displacement driving acting cylinder 313, the air-suction lower template front position signal collector 3142 and the air-suction lower template back position signal collector 3152 are electrically connected with the electric controller 30; the lithium battery cover plate air tightness detecting bearing frame 32 is connected to the air tightness detecting bearing frame left guide rail slider 3111, the air tightness detecting bearing frame right guide rail slider 3121, and the air tightness detecting bearing frame front-rear displacement driving cylinder slider 3132 of the air tightness detecting bearing frame front-rear displacement driving cylinder 313, and corresponds to the space between the air-extracting lower template front limiting block 314 and the air-extracting lower template rear limiting block 315; the upper platen frame pressing means 36 together with the upper suction platen 34 and the upper platen frame 35 are in an empty state and correspond to the upper positions of the rear ends of the left air-tightness detection carriage rail 311, the right air-tightness detection carriage rail 312 and the air-tightness detection carriage forward-backward displacement driving cylinder 313; the detection gas introducing device 33 arranged on the lithium battery cover plate air tightness detection bearing frame 32 is also connected with the air-extracting lower template rear limiting block 315; an upper air-extracting template air-extracting joint 341 is connected to the rear end of the upper air-extracting template 34, and the vacuum-extracting mechanism 10 is connected to the upper air-extracting template air-extracting joint 341 through a pipeline.

As shown in fig. 5, the lithium battery cover plate airtightness detection carrier 32 includes an air-extracting lower template 321 and a lithium battery cover plate upper template 322 to be detected, a pair of air-extracting lower template left fixing blocks 3211 are fixed at the bottom of the air-extracting lower template 321 and at positions corresponding to the pair of airtightness detection carrier left rail sliders 3111, a pair of air-extracting lower template right fixing blocks 3212 are fixed at positions corresponding to the pair of airtightness detection carrier right rail sliders 3121, a pair of air-extracting lower template left fixing blocks 3211 are fixed with the pair of airtightness detection carrier left rail sliders 3111, a pair of air-extracting lower template right fixing blocks 3212 are fixed with the pair of airtightness detection carrier right rail sliders 3121, an air-extracting lower template front limiting block 3213 is fixed at the middle of a downward side of the front end of the air-extracting lower template 321, and the front side surface of the air-extracting lower template front limiting block 3213 corresponds to the air-extracting lower template front buffer 3141 and the lower template front position signal collector 3142, and a middle position of one end of the front limiting block 3213 of the lower air-extracting template is provided with an action cylinder barrel abdicating concave cavity 32131 corresponding to the front-back displacement driving action cylinder 313 of the air-tightness detecting bearing frame, the back end surface of the lower air-extracting template 321 corresponds to the front-back displacement driving action cylinder 3151 of the lower air-extracting template and a back position signal collector 3152 of the lower air-extracting template, the middle position of the downward side of the lower air-extracting template 321 is fixed with the front-back displacement driving action cylinder barrel slide block 3132 of the air-tightness detecting bearing frame through screws, the left side and the right side of the upper lithium battery cover plate template 322 to be detected are respectively fixed with the upper part of a cover plate 3221 of a lithium battery to be detected, the lower part of the cover plate 3221 of the lithium battery to be detected is fixed with the upward side of the lower air-extracting template 321, a cover plate detecting accommodating cavity 3222 of the lithium battery is formed on the upward side of the cover plate 322 of the lithium battery to be detected in a forward-forward and backward spaced state, the lithium battery cover plate detection accommodating cavity 3222 is divided into a group of small cavities by a separation convex strip 32221, a lithium battery cover plate detection accommodating cavity air duct matching hole 3223 is formed in the position, corresponding to the right end of the lithium battery cover plate detection accommodating cavity 3222, of the lithium battery cover plate upper template 322 to be detected, the lithium battery cover plate detection accommodating cavity air duct matching hole 3223 is communicated with an accommodating cavity air duct 3224 formed in the lithium battery cover plate detection accommodating cavity 3222, the accommodating cavity air duct 3224 is communicated with the lithium battery cover plate detection accommodating cavity 3222 through accommodating cavity air outlet holes 3225 distributed at intervals, and each small cavity separated by the separation convex strip 32221 is respectively and correspondingly provided with an accommodating cavity air outlet hole 3225; the detection air introducing device 33 comprises a valve seat sliding frame 331, a valve seat 332, a valve 333, an air guide block 334, a detection air distribution seat 335, a detection air transition introducing pipe 336 and a lithium battery cover plate detection accommodating cavity air guide pipe 337, wherein the valve seat sliding frame 331 is fixed with the upper part of the lower extraction template rear limiting block 315, the valve seat 332 is in sliding fit with the front side of the valve seat sliding frame 331 through a pair of valve seat guide rods 3321 fixed with the valve seat sliding frame 331, a valve seat thrust spring 33211 is sleeved on the valve seat guide rods 3321 and at the position of the upper front side of the valve seat sliding frame 331 and the rear side of the valve seat 332, a detection air introducing pipe matching hole 3322 is further formed on the valve seat 332, the valve 333 is arranged on the valve seat 332 and corresponds to the air guide block air guide hole 3341 of the air guide block 334, the air guide block 334 is fixed at the rear end of the lower extraction template 321 and corresponds to the valve seat 332, the detection air distribution base 335 is fixed with the lower air-extracting template 321 at a position corresponding to the front of the air guide block 334, one end of the detection air transition introducing pipe 336 is fixed with the air guide block 334 at a position corresponding to the air guide block vent hole 3341, the other end is matched and connected with the air inlet hole of the detection air distribution base 335, and the detecting gas distributing base 335 is provided with detecting gas distributing base air outlet holes 3351 with the number equal to the number of the air duct connecting holes 3223 of the detecting and accommodating cavity of the lithium battery cover plate, the number of the air ducts 337 of the detecting and accommodating cavity of the lithium battery cover plate is equal to the number of the detecting gas distributing bases 335, and one end of the detecting gas distributing base air outlet holes 3351 is fixed with the detecting gas distributing base 335, the other end of the air duct 337 of the lithium battery cover plate detection accommodating cavity is fixed with the upper template 322 of the lithium battery cover plate to be tested at a position corresponding to the air duct matching hole 3223 of the lithium battery cover plate detection accommodating cavity; the upper template frame pressing device 36, together with the air-extracting upper template 34 and the upper template frame 35, corresponds to the upper part of the upper template 322 of the lithium battery cover plate to be tested in an empty state; an upper air-extracting template air passage 342 is formed in the upper air-extracting template 34 in a state parallel to the length direction of the upper air-extracting template 34, the front end of the upper air-extracting template air passage 342 is sealed by a front plug screw 3421 and sealed after sealing a ring, the rear end corresponds to and communicates with the upper air-extracting connector 341, an upper air-extracting template air cavity 343 is formed on the downward side of the upper air-extracting template 34, the number of the upper air-extracting template air cavities 343 is equal to the number and positions of the lithium battery cover plate detection accommodating cavities 3222, each upper air-extracting template air cavity 343 has upper air-extracting template air cavities equal to the number of the small cavities separated by the separation protrusion 32221, adjacent upper air-extracting template air cavities are connected by upper air-extracting template air cavity communication air passages 344, the left end port and the right end port of the upper air-extracting template air cavity communication air passage 344 are sealed by upper air passage port sealing plugs 3441, a pair of lithium battery plate falling-off assisting means 345 is provided on the upwardly facing side of the upper suction template 34 and at a position corresponding to the upper suction template air chamber 343, the lithium battery plate falling-off assisting means 345 includes a spring pressing plate 3451, a spring pressing plate fixing screw 3452, a lithium battery plate falling-off assisting jack 3453 and a jack post acting spring 3454, the spring pressing plate 3451 is provided in a pressing plate chamber 347 formed on the upwardly facing side of the upper suction template 34 and corresponding to the upper suction template air chamber 343, one end of the spring pressing plate 3451 is fixed to the upper suction template 34 in the pressing plate chamber 347 by the spring pressing plate fixing screw 3452, one end of the spring pressing plate 3451 facing the lithium battery plate falling-off assisting jack 3453 is formed as a spring restricting end, and the lithium battery plate falling-off assisting jack 3453 is provided on the upper suction template 34 so as to float up and down at a position corresponding to the downwardly facing side of the spring restricting end and communicating with the upper suction template air chamber 343 In the column hole 346, the pushing column hole 346 further corresponds to the pressing plate cavity 347, a pushing column acting spring supporting flange 34531 is formed at the upper end of the lithium battery plate falling-off assisting pushing column 3453 and around the lithium battery plate falling-off assisting pushing column 3453, a pushing column acting spring 3454 is sleeved on the upper end of the lithium battery plate falling-off assisting pushing column 3453, the upper end of the pushing column acting spring 3454 is supported on the side of the spring limiting end of the spring pressing plate 3451 facing downwards, and the lower end of the pushing column acting spring 3454 is supported on the pushing column acting spring supporting flange 34531; suction upper die plate fixing screw holes 351 are respectively formed in the four corners of the upper die plate frame 35, and suction upper die plate fixing screws 348 for fixing the suction upper die plate 34 and the upper die plate frame 35 to the downward side are arranged on the suction upper die plate 34 at positions corresponding to the suction upper die plate fixing screw holes 351; upper plate frame connecting screw holes 352 for connecting the upper plate frame pressing means 36 are formed in the upper plate frame 35 at four corners; a template clamping signal collector 3226 is fixed at the front end of the upper template 322 of the lithium battery cover plate to be tested, and a template clamping signal collector collision block 349 is arranged at the front end of the air-extracting upper template 34 and at a position corresponding to the template clamping signal collector 3226.

The upper platen pressing device 36 includes an upper platen pressing plate 361, an upper platen pressing cylinder fixing plate 362, a pair of upper platen lifting cylinders 363, and a set of cylinder fixing plate columns 364, wherein four corners of the upper platen pressing plate 361 are respectively provided with an upper platen connecting screw 3611, the upper platen connecting screw 3611 is sleeved with an upper platen return spring 3612, the upper platen pressing plate 361 is in sliding fit with the upper platen connecting screw 3611, the lower end of the upper platen connecting screw 3611 is screwed into the upper platen connecting screw hole 352, the upper end of the upper platen return spring 3612 is supported on the downward side of the upper platen pressing plate 361, the lower end of the upper platen return spring 3612 is supported on the upward side of the upper platen 35, the upper platen pressing cylinder fixing plate 362 is fixed to the top of the set of cylinder fixing plate columns 364, and a set of upper platens are fixed at intervals on the downward side of the upper platen pressing cylinder fixing plate 362 A pressing cylinder fixing plate guide 3621, an upper platen pressing cylinder fixing plate guide 3622 is provided on each of the upper platen pressing cylinder fixing plate guide guides 3621, the lower end of the upper platen pressing cylinder fixing plate guide 3622 is fixed to the upper platen pressing plate 361 by an upper platen pressing cylinder fixing plate guide screw 36221, and the upper end thereof is extended above the upper platen pressing cylinder fixing plate 362 through the upper platen pressing cylinder fixing plate guide 3621, a pair of upper platen lifting cylinders 363 are provided on the upper platen pressing cylinder fixing plate 362 and electrically connected to the electric controller 30, and the upper platen lifting cylinder 3631 of the pair of upper platen lifting cylinders 363 is extended to the upper platen pressing cylinder fixing plate 362 at a position corresponding to the upper platen lifting cylinder post receding hole 3623 provided on the upper platen pressing cylinder fixing plate 362 The lower part is fixed to the upper platen press plate 361 by a cylinder column fixing screw 36311, and the bottom of a group of working cylinder fixing plate columns 364 is fixed to the table 1.

Before the aforementioned four lithium battery cover plates 50 on the lithium battery cover plate inspection input mechanism 2 are moved to the lithium battery cover plate air tightness alternative detection mechanism 3 by the aforementioned lithium battery cover plate moving manipulator 9, the lithium battery cover plate air tightness alternative detection mechanism 3 has two of the same structures so as to embody the alternative detection and achieve the purpose of improving the detection efficiency. Now, taking the state shown in fig. 7 as an example, the applicant takes the state that the left lithium battery cover plate airtightness alternating detection mechanism 3 is in the airtightness detection process, and the right lithium battery cover plate airtightness alternating detection mechanism 3 side is in the state of receiving four lithium battery cover plates 50 extracted from the group of lithium battery cover plate separation devices 28 of the lithium battery cover plate delivery input mechanism 2 by the lithium battery cover plate transportation manipulator 9. In order to realize this state, the electrical controller 30 operates the air-tightness detection bearing frame forward and backward displacement driving cylinder 313, so that the air-tightness detection bearing frame forward and backward displacement driving cylinder slider 3132 drives the lower suction template 321 and the upper lithium battery cover plate 322 to be tested to move forward to a state shown in fig. 7, when the front end surface of the lower suction template 321 contacts the signal collector 3142 at the front position of the lower suction template, the signal collector 3142 at the front position of the lower suction template feeds back a signal to the electrical controller 30, so that the air-tightness detection bearing frame forward and backward displacement driving cylinder 313 stops operating, and four lithium battery cover plates 50 are simultaneously introduced into the four lithium battery cover plate detection accommodating cavities 3222 by the lithium battery cover plate transferring manipulator 9, the structure of which will be described in detail below. It should be noted that: the left and right displacement of the lithium battery cover plate transfer manipulator 9 between each station is driven by a left and right displacement driving mechanism 8 of the lithium battery cover plate transfer manipulator controlled by a PLC (programmable logic controller) of the electric controller 30.

After the four lithium battery cover plate detection accommodating cavities 3222 of the lithium battery cover plate upper template 322 to be tested are respectively connected with the lithium battery cover plates 50, signals (mentioned below) are fed back to the electric controller 30 due to the upward movement of the lithium battery cover plate transfer manipulator 9, the electric controller 30 sends out an instruction to enable the air tightness detection bearing frame forward and backward displacement driving acting cylinders 313 to reversely act relative to the above, so that the lithium battery cover plate air tightness detection bearing frame 32 is rearwardly displaced below the air-extracting upper template 34, the degree of rearward displacement of the lithium battery cover plate air tightness detection bearing frame 32 is based on the condition that the rear end surface of the air-extracting lower template 321 contacts the air-extracting lower template rear position signal collector 3152, when the air tightness detection bearing frame air-extracting upper template air-extracting air, the upper template pressing plate 361 is pushed to move downwards by the upper template lifting cylinder column 3631, the upper template pressing plate 361 pushes the upper template frame 35 and the air-extracting upper template 34 to move downwards, so that the air-extracting upper template 34 and the upper template 322 of the lithium battery cover plate to be tested, which plays a lower die effect, are folded, that is, four lithium battery cover plates 50 are respectively limited in the four lithium battery cover plate detection accommodating cavities 3222.

Under the above state, due to the matching of the extracted air upper template 34 and the upper template 322 of the lithium battery cover plate to be tested, the template matching signal collector 349 and the template matching signal collector 3226 generate a signal, so that the signal is fed back to the electric controller 30 by the template matching signal collector 3226, the electric controller 30 sends an instruction to the vacuum pumping mechanism 10, the vacuum pumping mechanism 10 starts to perform vacuum pumping, meanwhile, the air guide block 334 is driven to move backwards by the backward movement of the extracted air lower template 321, the air guide block vent hole 3341 on the air guide block 334 is in butt joint with the air valve 333, the air valve 333 is in an open state, and when air in the air storage tank (the air storage tank in the invention is introduced from the detection air inlet pipe coupling hole 3322 through a pipeline, the air in turn passes through the air guide block air guide corresponding hole 3341 and the detection air transition inlet pipe 336, A detection gas outlet hole 3351 of the detection gas distribution seat 335, a lithium battery cover plate detection accommodation cavity airway 337, a lithium battery cover plate detection accommodation cavity airway connection hole 3223, an accommodation cavity airway 3224 and an accommodation cavity outlet hole 3225, if the lithium battery cover plate 50 still located in the lithium battery cover plate detection accommodation cavity 3222 has poor sealing performance, i.e. has an air leakage situation, then under the operation of the vacuum pumping mechanism 10 connected with the upper air pumping template air pumping connector 341 through a pipeline, the aforementioned gas (helium) is led out from the accommodation cavity outlet hole 3225 through the lithium battery cover plate 50, the upper air pumping template air cavity 343 on the upper air pumping template 34, the upper air pumping template small air cavity communication airway 344, the upper air pumping template airway 342 and the upper air pumping connector of the upper air pumping template in sequence through pipelines, the pressure value of the vacuum pumping mechanism 10 is reduced to below the set value required by the process, so that the vacuum pumping mechanism 10 feeds back signals to the electric controller 30, and as long as any one of the four lithium battery lids 50 has a sealing problem, the four lithium battery lids are not allowed to flow into the following steps. On the contrary, when there is not the leakproofness problem in four lithium battery cover plates 50, in order to fully ensure the quality, vacuum pumping detection is carried out again by the aforementioned vacuum pump 40, specifically: under the operation of the vacuum pump 40, the gas in the pipeline connected to the vacuum pumping mechanism 10 is pumped and supplied to the mass spectrometer 20, and if the mass spectrometer 20 detects that helium gas is present in the gas, a signal is fed back to the electric controller 30 by the mass spectrometer 20. After the detection is completed, according to the reverse operation process, the upper template frame pressing device 36 moves the upper air-extracting template 34 upwards, and then the lithium battery cover plate air-tightness detection bearing frame 32 moves forwards to the state shown in fig. 7. If the lithium battery cover plate 50 has the sealing problem, the lithium battery cover plate is moved to the lithium battery cover plate air tightness unqualified detection product output mechanism 4 by the lithium battery cover plate moving manipulator 9, the lithium battery cover plate air tightness unqualified detection product output mechanism 4 outputs the lithium battery cover plate air tightness unqualified detection product, and after collection, the secondary or multiple times of screening detection of the sealing performance in a picking mode is carried out until the finally confirmed lithium battery cover plate 50 with the sealing problem is detected; if the lithium battery cover plate 50 has no sealing problem (including secondary detection that the mass spectrometer 20 does not detect helium), the lithium battery cover plate is moved to the station where the lithium battery cover plate leakage detection mechanism 5 is located by the lithium battery cover plate moving manipulator 9. In order to separate the lithium battery cover plate 50 from the upper pumping template 34 (to remove money from the upper pumping template 34) smoothly, i.e. in order to prevent the lithium battery cover plate 50 from adhering to the downward side of the upper pumping template 34, the lithium battery plate dropping-assisting device 345 assists dropping, specifically: under the restoring force of the pushing column acting spring 3454, the dropping-assisting pushing column 3453 of the lithium battery panel moves downwards to push the lithium battery cover plate 50, so that the lithium battery cover plate 50 falls into the lithium battery cover plate detection accommodating cavity 3222, and the lithium battery cover plate moving manipulator 9 reliably and completely extracts the lithium battery cover plate.

Referring to fig. 8 in combination with fig. 1, the output mechanism 4 for the unqualified lithium battery cover plate air tightness detection product is located between the left side of the alternating detection mechanism 3 for lithium battery cover plate air tightness and the right side of the output mechanism 6 for the qualified lithium battery cover plate leakage detection product, and the output mechanism 4 for the unqualified lithium battery cover plate air tightness detection product has the same structure as the output mechanism 6 for the qualified lithium battery cover plate leakage detection product, and the output mechanism 6 for the qualified lithium battery cover plate leakage detection product comprises a conveying belt driving device 61 for the qualified lithium battery cover plate leakage detection product, a left output belt guide bar 62 for the qualified lithium battery cover plate leakage detection product, a right output belt guide bar 63 for the qualified lithium battery cover plate leakage detection product, a left output belt 64 for the qualified lithium battery cover plate leakage detection product, a right output belt 67 for the qualified lithium battery cover plate leakage detection product, a front fixing support 65 for a pair of output belt guide bars, and a rear fixing support 66 for a pair of output belt guide bars, the lithium battery cover plate leakage detection qualified product conveying belt driving device 61 comprises a lithium battery cover plate leakage detection qualified product conveying belt driving motor 611, a lithium battery cover plate leakage detection qualified product conveying belt driving motor fixing seat 612, a lithium battery cover plate leakage detection qualified product conveying belt driving wheel 613, a lithium battery cover plate leakage detection qualified product conveying belt driving driven wheel 614, a lithium battery cover plate leakage detection qualified product conveying belt driving shaft 615 and a main and auxiliary wheel connecting belt 616, the lithium battery cover plate leakage detection qualified product conveying belt driving motor 611 and the lithium battery cover plate leakage detection qualified product conveying belt driving motor fixing seat 612 which are electrically controlled and connected with the electric controller 30 are fixed, the lithium battery cover plate leakage detection qualified product conveying belt driving motor fixing seat 612 and the left end front of the workbench 1 are fixed, and the lithium battery cover plate leakage detection qualified product conveying belt driving wheel 613 and the lithium battery cover plate leakage detection qualified product conveying belt driving wheel are fixed with the lithium battery cover plate leakage detection qualified product conveying belt driving wheel 612 and the lithium battery cover plate leakage detection qualified product conveying belt driving wheel The motor shaft of the belt driving motor 611 is fixed, the lithium battery cover plate electric leakage detection qualified product conveying belt driving driven wheel 614 is fixed in the middle of the lithium battery cover plate electric leakage detection qualified product conveying belt wheel driving shaft 615 in a flat key fixing mode, the left end of the lithium battery cover plate electric leakage detection qualified product conveying belt wheel driving shaft 615 is rotatably supported on the left bearing support frame 6151 through the left bearing, the right end of the lithium battery cover plate electric leakage detection qualified product conveying belt wheel driving shaft 615 is rotatably supported on the right bearing support frame 6152 through the right bearing, the lower portions of the left bearing support frame 6151 and the right bearing support frame 6152 are respectively fixed with the workbench 1, one end of the driving and driven wheel 616 is sleeved on the lithium battery cover plate electric leakage detection qualified product conveying belt driving wheel 613, the other end of the driving and driven wheel 614 is sleeved on the lithium battery cover plate electric leakage detection qualified product conveying belt driving driven wheel, the front end of the lithium battery cover plate electric leakage detection qualified product left output belt guide bar 62 and one output belt guide bar in the pair of output belt guide bar front fixing support seats 65 The front fixing support base is fixed, the rear end of the left qualified product output belt guide bar 62 for the lithium battery cover plate leakage detection is fixed with the left output belt guide bar rear fixing support base in the pair of output belt guide bar rear fixing support bases 66, the right output belt guide bar 63 for the qualified product for the lithium battery cover plate leakage detection is parallel to the left output belt guide bar 62 for the qualified product for the lithium battery cover plate leakage detection in the length direction, the front end of the right output belt guide bar front fixing support base is fixed with the right output belt guide bar front fixing support base in the pair of output belt guide bar front fixing support bases 65, the rear end of the right output belt guide bar rear fixing support base in the pair of output belt guide bar rear fixing support bases 66, the front end of the left qualified product output belt 64 for the lithium battery cover plate leakage detection is sleeved on the left output belt pulley 641 for the qualified product for the lithium battery cover plate leakage detection, the rear end of the qualified product left output belt rear belt wheel 642 is sleeved on the qualified product left output belt 64 of the lithium battery cover plate leakage detection qualified product left output belt, the middle part of the lithium battery cover plate leakage detection qualified product left output belt 64 is in contact with the upper surface and the lower surface of the lithium battery cover plate leakage detection qualified product left output belt guide strip 62, the qualified product left output belt front belt wheel 641 is fixed on the lithium battery cover plate leakage detection qualified product conveying belt wheel driving shaft 615 in a flat key fixing mode at a position between the left bearing support frame 6151 and the left side of the lithium battery cover plate leakage detection qualified product conveying belt driven wheel 614, the qualified product left output belt rear belt wheel 642 is rotatably arranged on a qualified product left output belt rear belt wheel shaft 6421, the qualified product left output belt rear belt wheel shaft 6421 is fixed on a qualified product left output belt rear belt wheel shaft seat 6422, and the qualified product left output belt rear belt wheel 6422 is fixed on the lithium battery cover plate leakage detection qualified product left output belt wheel shaft seat 6422 The rear end of the left output belt guide strip 62, the front end of the lithium battery cover plate leakage detection qualified product right output belt 67 is sleeved on a qualified product right output belt front belt pulley 671 of the lithium battery cover plate leakage detection qualified product right output belt 67, the rear end of the lithium battery cover plate leakage detection qualified product right output belt 67 is sleeved on a qualified product right output belt rear belt pulley 672, the middle part of the lithium battery cover plate leakage detection qualified product right output belt 67 is in contact with the upper and lower surfaces of the lithium battery cover plate leakage detection qualified product right output belt guide strip 63, the qualified product right output belt front belt pulley 671 is fixed on the lithium battery cover plate leakage detection qualified product conveying belt pulley driving shaft 615 in a flat key fixing mode at a position between the right bearing support frame 6152 and the right side of the lithium battery cover plate leakage detection qualified product conveying belt drive driven wheel 614, and the qualified product right output belt rear belt pulley 672 is rotatably arranged on a qualified product right output belt 6721 shaft The qualified product right output belt rear belt pulley shaft 6721 is fixed on the qualified product right output belt rear belt pulley shaft seat 6722, the qualified product right output belt rear pulley shaft seat 6722 is fixed at the rear end of the qualified product right output belt guide strip 63 for leakage detection of the lithium battery cover plate, a pair of output belt guide strip front fixing supporting seats 65 are fixed in the middle of the output belt guide strip front fixing supporting seat supporting shaft 651, the left end of the output belt guide front fixed bearing block supporting shaft 651 is fixed with the left bearing supporting frame 6151, the right end is fixed with the right bearing supporting frame 6152, a pair of output belt guide rear fixed bearing blocks 66 is fixed in the middle of the output belt guide rear fixed bearing block supporting shaft 661, both ends of the rear fixed support shaft 661 of the output belt guide are fixed to a pair of support shaft supports 6611 which are opposite to each other, and the lower part of the support shaft support 6611 is fixed to the table 1; the lithium battery cover plate leakage detection mechanism 5 corresponds to the upper parts of the lithium battery cover plate leakage detection qualified product left output belt 64 and the lithium battery cover plate leakage detection qualified product right output belt 67 in a state of being fixed with the side surfaces of the lithium battery cover plate leakage detection qualified product left output belt guide bar 62 and the lithium battery cover plate leakage detection qualified product right output belt guide bar 63; the lithium battery cover plate leakage detection unqualified product taking mechanism 7 is corresponding to the upper parts of the lithium battery cover plate leakage detection qualified product left output belt guide strip 62 and the lithium battery cover plate leakage detection qualified product right output belt guide strip 63 in an emptying state, namely the upper parts of the lithium battery cover plate leakage detection qualified product left output belt 64 and the lithium battery cover plate leakage detection qualified product right output belt 67.

Please refer to fig. 1 and fig. 3, the left and right displacement driving mechanism 8 of the lithium battery cover plate transferring manipulator comprises a left and right manipulator displacement rail fixing frame 81, a right and left manipulator displacement rail fixing frame 82, a left and right manipulator displacement rail 83, a left and right manipulator displacement driving motor 84, a left and right manipulator displacement belt 85, a left and right manipulator displacement driving wheel 86 and a left and right manipulator displacement driving driven wheel 87, wherein the left and right manipulator displacement rail fixing frame 81 is arranged in a longitudinal state, the lower end of the left and right manipulator displacement rail fixing frame 81 is fixed with the middle part (middle part in the short side direction) of the upward side of the left end of the workbench 1, the right and left manipulator displacement rail fixing frame 82 is also arranged in a longitudinal state, the lower end of the right and left manipulator displacement rail fixing frame 82 is fixed with the middle part (middle part in the short side direction) of the upward side of the right end of the workbench 1, an upper end of the left and right robot hand displacement rail fixing bracket 81 and an upper end of the right and left robot hand displacement rail fixing bracket 82 extend upward in a direction away from the table 1, a slider guide 831 is formed on each of upper and lower surfaces in a length direction of the left and right robot hand displacement rail 83 and at a corresponding position, a middle portion of the left and right robot hand displacement rail 83 is fixed to a left rail fixing seat 811 at the upper end of the left and right robot hand displacement rail fixing bracket 81, a left end of the left and right robot hand displacement rail 83 extends to a left side of the left rail fixing seat 811, a right end of the left and right robot hand displacement rail 83 is fixed to a right rail fixing seat 821 at the upper end of the left and right robot hand displacement rail fixing bracket 82 and extends to a right side of a right rail fixing seat 821, a left and right robot hand displacement driving motor 84 is electrically connected to the electric controller 30 and fixed to the right end of the left and right robot hand displacement rail fixing bracket 83 via a left and right hand displacement driving motor seat 841, a manipulator left and right displacement drive motor shaft of the manipulator left and right displacement drive motor 84 faces downward, a manipulator left and right displacement drive driving wheel 86 is fixed to a manipulator left and right displacement drive driving wheel shaft 861, the upper and lower ends of the manipulator left and right displacement drive driving wheel shaft 861 are rotatably supported on a manipulator left and right displacement drive driving wheel shaft bearing block 8611, the manipulator left and right displacement drive driving wheel shaft bearing block 8611 is fixed to the right end portion of the manipulator left and right displacement rail 83, wherein the upper end of the manipulator left and right displacement drive driving wheel shaft 861 protrudes above the manipulator left and right displacement drive driving wheel shaft bearing block 8611 and extends into the manipulator left and right displacement drive motor block 841 and is drivingly connected to the manipulator left and right displacement drive motor shaft of the manipulator left and right displacement drive motor 84 through a manipulator left and right displacement drive driving wheel shaft coupling 86111, a manipulator left and right displacement driving driven wheel 87 (shown in fig. 1) is fixed on a manipulator left and right displacement driving driven wheel shaft 871, the upper end and the lower end of the manipulator left and right displacement driving driven wheel shaft 871 are rotatably supported on a manipulator left and right displacement driving driven wheel shaft bearing seat 8711, the manipulator left and right displacement driving driven wheel shaft bearing seat 8711 is fixed with the left end part of a manipulator left and right displacement rail 83, the right end of a manipulator left and right displacement belt 85 is sleeved on the manipulator left and right displacement driving wheel 86, and the left end is sleeved on the manipulator left and right displacement driving driven wheel 87; the lithium battery cover plate transfer manipulator 9 is connected to the front side of the left and right manipulator displacement belt 85 and is in sliding fit with the guide slider guide bar 831, and when the left and right manipulator displacement driving motor 84 is operated under the control of the electric controller 30, the left and right manipulator displacement belt 85 is driven to move, the left and right manipulator displacement belt 85 drives the lithium battery cover plate transfer manipulator 9 to reciprocate between the station where the lithium battery cover plate inspection input mechanism 2 is located, the station where the lithium battery cover plate airtightness alternation detection mechanism 3 is located, the station where the lithium battery cover plate airtightness unqualified detection product output mechanism 4 is located, and the station where the lithium battery cover plate leakage detection qualified product output mechanism 6 is located, and the left and right manipulator displacement driving motor 84 is a servo motor with forward and backward rotation functions.

Referring to fig. 9 and 10 in combination with fig. 1, the aforementioned lithium battery cover plate leakage detecting mechanism 5 includes a lithium battery cover plate right end surface guard plate 51, a lithium battery cover plate left end surface guard plate 52, a lithium battery cover plate support plate 53, a support plate lifting device 54, a lithium battery cover plate limiting plate 55, a leakage detecting electrode lifting cylinder fixing frame 56, a leakage detecting electrode lifting device 57 and a leakage detecting electrode 58, the lithium battery cover plate right end surface guard plate 51 is fixed with the upper ends of a pair of right end surface guard plate support legs 511 and corresponds to the upper side of the aforementioned lithium battery cover plate leakage detecting qualified product right output belt 67 in an empty state, the lower ends of a pair of right end surface guard plate support legs 511 are fixed with the right side surface of the aforementioned lithium battery cover plate leakage detecting qualified product right output belt guide bar 63, the lithium battery cover plate left end surface guard plate 52 is fixed with the upper ends of a pair of left end surface guard plate support legs 521, and corresponds to the upper part of the left output belt 64 of the qualified product of the leakage detection of the lithium battery cover plate in an empty state, the lower ends of a pair of left end surface baffle plate supporting feet 521 are fixed with the left side surface of the left output belt guide strip 62 of the qualified product of the leakage detection of the lithium battery cover plate, the lithium battery cover plate supporting plate 53 is connected with the supporting plate lifting device 54 at the position corresponding to the position between the left output belt guide strip 62 of the qualified product of the leakage detection of the lithium battery cover plate and the right output belt guide strip 63 of the qualified product of the leakage detection of the lithium battery cover plate, a lithium battery cover plate supporting plate separating block 531 is fixed on one side of the lithium battery cover plate supporting plate 53 facing upwards, the space between each two adjacent lithium battery cover plate supporting plate separating blocks 531 is formed into a supporting plate lithium battery cover plate accommodating cavity 5311, a supporting plate end block 532 is fixed on each end part of the two ends of the lithium battery cover plate supporting plate 53, and the supporting plate lifting device 54 comprises a supporting plate lifting cylinder fixing frame 541 for supporting plate lifting action, A bearing plate lifting cylinder 542 and a bearing plate guide bar 543, the middle of the bearing plate lifting cylinder fixing frame 541 corresponds to the lower part of the lithium battery cover plate leakage detection qualified product left output belt guide bar 62 and the lithium battery cover plate leakage detection qualified product right output belt guide bar 63 and also corresponds to the middle of the length direction of the lithium battery cover plate 53, the right end and the left end of the bearing plate lifting cylinder fixing frame 541 are respectively fixed with the right side surface of the lithium battery cover plate leakage detection qualified product right output belt guide bar 63 and the left side surface of the lithium battery cover plate leakage detection qualified product left output belt guide bar 62 through a bearing plate lifting cylinder fixing frame end plate 5411, the bearing plate lifting cylinder 542 is electrically connected with the electric controller 30 and fixed at the central position of the bearing plate lifting cylinder fixing frame 541, the bearing plate lifting cylinder column 5421 of the bearing plate lifting cylinder 542 faces upwards and is fixed with the lithium battery cover plate 53 bearing plate 53 A downward side is fixed, the middle part of the bearing plate guide rod guide plate 543 is fixed with the upper part of the cylinder body of the bearing plate lifting cylinder 542 and two ends of the bearing plate guide rod guide plate 543 are respectively provided with a bearing plate guide rod guide hole 5431, a bearing plate guide rod 533 is fixed in the longitudinal state at the middle part of the downward side of the lithium battery cover plate 53 and at the position corresponding to the bearing plate guide rod guide hole 5431, the bearing plate guide rod 533 extends into the bearing plate guide rod guide hole 5431, the leakage detection electrode lifting cylinder fixing frame 56 is fixed with the right side surface of the lithium battery cover plate leakage detection qualified product right output belt guide strip 63 through a pair of detection electrode lifting cylinder fixing frame transition connecting plates 561, lithium battery cover plate limiting plate fixing connecting strips 562 are fixed on the leakage detection electrode lifting cylinder fixing frame 56 in an interval state, the left end of the lithium battery cover plate defining plate fixing connecting bar 562 extends to the upper side corresponding to the lithium battery cover plate defining plate 55 in a horizontal cantilever state and is fixed with a set of lithium battery cover plate defining plate connecting rods 5621 at intervals, the lithium battery cover plate defining plate connecting rods 5621 extend downward toward the lithium battery cover plate defining plate 55, the upward side of the lithium battery cover plate defining plate 55 is fixed with the lithium battery cover plate defining plate connecting rods 5621, the downward side of the lithium battery cover plate defining plate 55 is fixed with the lithium battery cover plate upper defining block 551 at the position corresponding to the aforementioned support plate lithium battery cover plate accommodating cavity 5311, the downward side of the lithium battery cover plate upper defining block 551 is formed with the lithium battery plate upper defining block slot 5511, the lithium battery plate upper defining block slot 5511 corresponds to and cooperates with the support plate lithium battery cover plate accommodating cavity 5311, the lithium battery cover plate defining plate 55 is provided with a defining plate position signal collector 552 electrically connected with the aforementioned electric controller 30, the electric leakage detecting electrode lifting device 57 includes a push plate lifting cylinder 571, a push plate 572 and an electric leakage detecting electrode fixing block 573, the number of the push plate lifting cylinders 571 is equal to the number of the receiving plate lithium battery cover plate receiving cavities 5311 (four in this embodiment) and are arranged at intervals on the electric leakage detecting electrode lifting cylinder fixing frame 56, the push plate lifting cylinder 571 has a push plate lifting cylinder up-and-down displacement controller 5711 electrically connected to the electric controller 30, the push plate lifting cylinder columns 5712 of the push plate lifting cylinder 571 face downward and pass through the electric leakage detecting electrode lifting cylinder fixing frame 56, the number of the push plates 572 is equal to the number of the push plate lifting cylinders 571 (four in this embodiment), and the position of the push plate 572 below the electric leakage detecting electrode lifting cylinder fixing frame 56 is fixed to the push plate lifting cylinder columns 5712, a push plate elevation guide bar 5721 is fixed to the upward side and right end of the push plate 572, the push plate elevation guide rods 5721 correspond to the push plate elevation guide rod guide holes 563 formed in the leak detection electrode elevation cylinder fixing frame 56, the number of leak detection electrode fixing blocks 573 is equal to the number of push plates 572, and one leak detection electrode fixing block 573 is assigned to each push plate 572, the right end of the leakage detecting electrode fixing block 573 is fixed to the upward-facing left end of the push plate 572, and the left end of the electric leakage detecting electrode fixing block 573 extends leftward in a horizontal cantilever state, there are four pairs of electric leakage detecting electrodes 58, and each electrically connected to the electric controller 30 through a line, a pair of leakage detecting electrodes 58 are fixed to the left end of each leakage detecting electrode fixing block 573, and the pair of leakage detecting electrodes 58 are located on the right side of the aforementioned lithium battery lid defining plate 55.

Please refer to fig. 3 and with continued reference to fig. 1, the aforementioned lithium battery cover plate transferring manipulator 9 includes a guide slider fixing plate 91, an upper guide slider 92a, a lower guide slider 92b, a lifting push plate 93, a suction cup holder fixing plate 94, a suction cup holder 95, a suction cup 96, a lifting push plate actuating cylinder 97, and a manipulator left and right displacement belt fixing block 98, the rear side of the guide slider fixing plate 91 is fixed to the upper guide slider 92a and the lower guide slider 92b, a pair of lifting push plate sliding guide rails 911 are fixed to the front side of the guide slider fixing plate 91 at intervals in a longitudinal state, an upper lifting push plate limit position signal collector 912 electrically connected to the aforementioned electric controller 30 is further disposed on the guide slider fixing plate 91, a lower limit block 913 is fixed to the right side of the lower end of the guide slider fixing plate 91, a lower lifting push plate limit position signal collector 9131 electrically connected to the electric controller 30 is disposed on the lower limit block 913, a lift push plate actuating cylinder 97 is electrically connected to the electric controller 30, the lift push plate actuating cylinder 97 is fixed to an actuating cylinder fixing plate 971 in a longitudinal state and lift push plate actuating cylinder posts 972 of the lift push plate actuating cylinder 97 extend below the actuating cylinder fixing plate 971, an upper guide slider 92a and a lower guide slider 92b are slidably fitted to the guide slider guide bars 831 on the upper and lower surfaces in the longitudinal direction of the left and right displacement rail 83 of the robot, respectively, the rear side of the lift push plate 93 is slidably fitted to a pair of lift push plate slide rails 911 via a lift push plate slider 931 corresponding to the pair of lift push plate slide rails 911, the center position of the upper end of the lift push plate 93 is connected to the lift push plate actuating cylinder posts 972, and a push plate upper limit position signal collector trigger is fixed to the right side surface of the upper end of the lift push plate 93 and to a position corresponding to the lower side of the lift push plate upper limit position signal collector 912 A block 932, the middle and upward side of the length direction of the suction cup frame fixing plate 94 is fixed with the lower end of the lifting push plate 93, a group of suction cup frames 95 are distributed at intervals, the middle of the group of suction cup frames 95 is fixed with the suction cup frame fixing plate 94, two ends of each suction cup frame fixing plate 94 are respectively fixed with one suction cup 96, the suction cups 96 are connected with a negative pressure generating device through pipelines, and a manipulator left and right displacement belt fixing block 98 is fixed between the guide block fixing plate 91 and the front side of the manipulator left and right displacement belt 85.

Since the robot left-right displacement drive motor 84 controlled by the electric controller 30 is a servo motor having a forward and reverse rotation function, the distances by which the robot left-right displacement belt 85 is moved leftward or rightward and the robot left-right displacement belt 85 is moved are controlled by the PLC of the electric controller 30.

Referring to fig. 10 in combination with fig. 1, the lithium battery cover plate leakage detection defective product removing mechanism 7 includes a table fixing vertical plate 71, a slide rail seat fixing plate 72, a left slide rail seat 73, a right slide rail seat 74, a linear air cylinder 75, a linear air cylinder slider 76, a defective product suction nozzle fixing plate elevating cylinder 77, a defective product suction nozzle fixing plate 78 and a pair of defective product suction nozzles 79, the bottom of the table fixing vertical plate 71 is fixed to the table 1, the upper portion of the table fixing vertical plate 71 extends upward in a direction away from the table 1, the left end of the slide rail seat fixing plate 72 is fixed to the rear side of the upper portion of the table fixing vertical plate 71, the right end of the slide rail seat fixing plate 72 corresponds to the upper portion of the lithium battery cover plate leakage detection defective product left output belt guide bar 62 and the lithium battery cover plate leakage detection defective product right output belt guide bar 63 in a horizontal cantilever state, the left slide rail seat 73 is fixed to the rear side of the left end of the slide rail seat fixing plate 72, a left slide rail seat signal collector 731 is provided on the left slide rail seat 73, a right slide rail seat 74 is fixed to the rear side of the right end of the slide rail seat fixing plate 72, a right slide rail seat signal collector 741 is provided on the right slide rail seat 74, a slide rail seat reinforcing bar 742 is fixed between the left slide rail seat 73 and the upper portion of the right slide rail seat 74, a line laying groove 7421 is formed on the upper side in the longitudinal direction of the slide rail seat reinforcing bar 742, a linear air cylinder 75 is fixed between the left slide rail seat 73 and the right slide rail seat 74, the middle portion of the linear air cylinder slider 76 is fitted with the linear air cylinder 75, the upper end and the lower end of the linear air cylinder slider 76 are each slidably fitted with a linear air cylinder slider guide bar 761, and a linear air cylinder slider guide bar 761 is fixed between the left slide rail seat 73 and the right slide rail seat 74, a defective suction nozzle lifting/lowering action cylinder 77 is fixed to the linear air cylinder slider 76 through a defective suction nozzle fixing plate lifting action cylinder base 771, a slide plate bump 772 is fixed on the top of the unqualified product suction nozzle fixing plate lifting cylinder 77, a slide plate ascending limit position signal collector 7721 is fixed on the slide plate bump 772, a slide plate bump head signal collector holder 773 is fixed on the bottom of the unqualified product suction nozzle fixing plate lifting cylinder 77, a slide plate descending limit position signal collector 7731 is arranged on the slide plate bump head signal collector holder 773, the upper end surface of the slide plate 774 of the unqualified product suction nozzle fixing plate lifting cylinder 77 corresponds to the slide plate ascending limit position signal collector 7721, the slide plate bump head 7741 formed on the right side of the slide plate 774 corresponds to the slide plate descending limit position signal collector 7731, the middle part of the unqualified product suction nozzle fixing plate 78 is fixed with the lower end of the suction nozzle fixing plate support 781 in the shape of L, and the upper end of the suction nozzle fixing plate support 781 is fixed with the slide plate 774, a pair of unqualified product suction nozzles 79 are respectively fixed at two ends of the unqualified product suction nozzle fixing plate 78 and are connected with the negative pressure generating device through a pipeline in a use state; the left slide rail seat signal collector 731, the right slide rail seat signal collector 741, the linear air cylinder 75, the slide plate ascending limit position signal collector 7721, the slide plate descending limit position signal collector 7731, the unqualified product suction nozzle fixing plate lifting cylinder 77 and the negative pressure generating device are electrically connected with the electric controller 30 in a control manner.

Since the lithium battery cover plate air-tightness defective inspection output means 4 is in an operating state all the time during the inspection of the lithium battery cover plate 50 by the entire apparatus of the present invention, that is, in an operating state of the entire apparatus, the applicant does not describe it again.

After the lithium battery cover plate air tightness alternation detection mechanism 3 detects the lithium battery cover plate 50 with unqualified air tightness, the lithium battery cover plate transferring manipulator 9 driven by the lithium battery cover plate transferring manipulator left and right displacement driving mechanism 8 moves to the station where the lithium battery cover plate air-tightness detection bearing frame 32 is located, and at this time, the lithium battery cover plate air-tightness detection bearing frame 32 is located at the front side shown in fig. 7 (as shown by the position where the right lithium battery cover plate air-tightness detection bearing frame 32 is located in the position state shown in fig. 7), in this state, the lithium battery which is unqualified in air tightness detection is transferred to the station where the output mechanism 4 of the unqualified air tightness detection product of the lithium battery cover plate is positioned by the manipulator 9 for transferring lithium battery cover plate shown in figure 3 and figure 1, and the lithium battery cover plate 50 with qualified air tightness detection is moved to the station where the lithium battery cover plate electric leakage detection mechanism 5 is located.

The applicant makes the following description on the extraction and release of the lithium battery cover plate 50 qualified in the air tightness detection by the lithium battery cover plate transferring manipulator 9: that is, the following description will be made of a process in which the lithium battery cover plate transfer robot 9 extracts the lithium battery cover plate 50 at the station where the lithium battery cover plate airtightness alternation detection mechanism 3 is located and transfers and releases the extracted lithium battery cover plate 50 to the lithium battery cover plate leakage detection mechanism 5.

Before explaining the working process of the lithium battery cover plate moving manipulator 9, the left and right displacement driving mechanism 8 of the lithium battery cover plate moving manipulator is explained, after the separation of the lithium battery cover plate 50 and the detection of the left and right displacement driving mechanism 8 of the lithium battery cover plate moving manipulator are completed, the electric controller 30 sends a working instruction to the left and right displacement driving motor 84 of the manipulator, the left and right displacement driving motor 84 of the manipulator works, the left and right displacement driving motor shaft of the manipulator drives the left and right displacement driving wheel shaft 861 of the manipulator through the left and right displacement driving wheel shaft coupler 86111 of the manipulator, the left and right displacement driving wheel shaft 861 of the manipulator drives the left and right displacement belt 85 of the manipulator through the left and right displacement belt fixing block 98 of the manipulator connected with the left and right displacement belt 85 of the manipulator to drive the guide slider fixing plate 91, the upper and lower guide blocks 92a and 92b move along the guide block guide 831, for example, to the position shown in fig. 1, so that the lithium battery cover plate transfer robot 9 picks up the lithium battery cover plate 50 whose airtightness has been detected at this position. The method comprises the following steps: under the instruction of the electric controller 30, the lifting push plate actuating cylinder 97 works, the lifting push plate actuating cylinder 972 pushes the lifting push plate 93 downwards, when the push plate upper limit position signal collector trigger block 932 touches the lifting push plate lower limit position signal collector 9131, the lifting push plate lower limit position signal collector 9131 feeds back a signal to the electric controller 30, the lifting push plate actuating cylinder 97 stops working by the electric controller 30, the four pairs of suckers 96 at the moment are respectively contacted with the lithium battery cover plate 50 still in the lithium battery cover plate detection accommodating cavity 3222, and under the working of a negative pressure generating device, namely a negative pressure generator such as a vacuum pump or the like, the suckers 96 are sucked through a pipeline to generate negative pressure so as to suck the lithium battery cover plate 50. Next, the lifting push plate actuating cylinder 97 is operated in reverse, so that the lithium battery cover plate 50 sucked by the suction cup 96 leaves the lithium battery cover plate detection accommodating cavity 3222, until the push plate upper limit position signal collector trigger block 932 touches the lifting push plate upper limit position signal collector 912, the lifting push plate upper limit position signal collector 912 feeds back a signal to the electric controller 30, and the lifting push plate actuating cylinder 97 is stopped by the electric controller 30. Next, when the manipulator left and right displacement driving motor 84 works in the reverse direction with respect to the aforementioned working direction, the manipulator left and right displacement belt 85 drives the entire lithium battery cover plate transfer manipulator 9 to move to the station where the lithium battery cover plate leakage detection mechanism 5 is located in the state of sucking the lithium battery cover plate 50, so as to detect whether the lithium battery cover plate 50 is in a leakage state or not.

When the manipulator 9 reaches the position in front of the leakage detection mechanism 5, specifically, the left and right output belts 64 and 67 for leakage detection of lithium battery cover shown in fig. 1, under the control of the PLC of the electrical controller 30, the negative pressure generator, i.e., the negative pressure generator, such as a vacuum pump or other similar device, stops working to make the suction cup 96 in positive pressure and make the four lithium battery covers 50 previously sucked by the suction cup 96 simultaneously released onto the left and right output belts 64 and 67 for leakage detection of lithium battery cover, then the lifting push plate actuates the action cylinder 972 to ascend, when the trigger block 932 of the limit position signal collector on the push plate touches the limit position signal collector 912 on the lifting push plate, the limit position signal collector 912 on the lifting push plate sends a signal to the electrical controller 30, the electric controller 30 drives the motor 611 to work by the lithium battery cover plate electric leakage detection qualified product conveying belt, so that the four lithium battery cover plates 50 positioned on the lithium battery cover plate electric leakage detection qualified product left and right output belts 64 and 67 correspond to the lithium battery cover plate bearing plate 53. When the electric leakage detection qualified product conveying belt driving motor 611 stops working, the electric controller 30 sends an instruction to enable the supporting plate lifting cylinder 542 to work, the supporting plate lifting cylinder column 5421 extends upwards, namely outwards towards the cylinder body, and pushes the lithium battery cover plate supporting plate 53 with the released lithium battery cover plate 50 to extend upwards until the lithium battery cover plate 50 is located in the lithium battery cover plate limiting block groove 5511 of the lithium battery cover plate limiting block 551 corresponding to the lithium battery cover plate limiting plate 55, namely the four lithium battery cover plates 50 are located in the lithium battery cover plate limiting block groove 5511 and the supporting plate lithium battery cover plate accommodating cavity 5311 through the matching of the four lithium battery cover plate limiting blocks 551 and the lithium battery cover plate supporting plate 53. At this time, since the lithium battery cover plate supporting plate 53 moves upward, the signal of the lithium battery cover plate 50 is collected by the limiting plate position signal collector 552 and fed back to the electric controller 30, and the electric controller 30 sends out the operating instructions to the four pushing plate lifting acting cylinders 571 in sequence, because the test of the four lithium battery cover plates 50 is performed one by one, and because the test mode of the four pushing plate lifting acting cylinders 571 is completely the same, the applicant only performs the following test on the front first lithium battery cover plate 50.

Under the operation of the push plate lifting cylinder 571, the push plate 572 moves downward by the downward movement of the push plate lifting cylinder 5712, the push plate 572 drives the electric leakage detection electrode fixing block 573, the electric leakage detection electrode fixing block 573 drives the pair of electric leakage detection electrodes 58 to move downward, one of the electric leakage detection electrodes 58 contacts the electrode plate 502 of the lithium battery cover plate 50, the other of the electric leakage detection electrodes 58 contacts the main body 501 of the lithium battery cover plate 50 insulated and isolated by the insulating material, the electrode plate 502 is insulated and separated from the main body 501 by the insulating sheet such as plastic (not conducted with each other), if there is no conduction between the electrode plate 502 and the main body 501 (i.e., the lithium battery cover plate main body), it indicates that there is no electric leakage, otherwise, the electric leakage is known by the electric controller 30. It should be noted that: the degree of the downward movement and the upward movement of the push plate lift cylinder columns 5712 of the push plate lift cylinder 571 is determined by the push plate lift cylinder vertical displacement controller 5711 controlled by the electric controller 30.

After the leakage detection mechanism 5 for the lithium battery cover plate finishes the leakage detection of the lithium battery cover plate 50, the leakage detection electrode 58 goes upward and leaves the lithium battery cover plate 50, the bearing plate lifting action cylinder 542 goes downward to drive the lithium battery cover plate bearing plate 53 to go downward, so that the two ends of the lithium battery cover plate 50 which finishes the leakage detection are placed on the left and right output belts 64 and 67 of the qualified product of the leakage detection of the lithium battery cover plate, and the electric controller 30 sends an instruction to enable the conveying belt of the qualified product of the leakage detection of the lithium battery cover plate to drive the motor 611 to work until the left and right output belts 64 and 67 of the qualified product of the leakage detection of the lithium battery cover plate move; when the unqualified lithium battery cover plate 50 with electric leakage which is detected before passes through the position corresponding to the lithium battery cover plate electric leakage detection unqualified product taking mechanism 7, the left and right output belts 64 and 67 of the lithium battery cover plate electric leakage detection qualified product are suspended at the position so as to be used for the lithium battery cover plate electric leakage detection unqualified product taking mechanism 7 to take away, otherwise, the lithium battery cover plate electric leakage detection unqualified product is directly output.

The applicant makes the following description on the working process of the foregoing lithium battery cover plate leakage detection defective product taking-off mechanism 7: because the electrical controller 30 has a PLC, and the PLC automatically records whether any one of the four lithium battery cover plates 50 from 1 st to 4 th has a leaking lithium battery cover plate, when the leaking lithium battery cover plate 50 passes through the lithium battery cover plate leakage detection defective product removing mechanism 7 in the process of outputting the lithium battery cover plate leakage detection defective product left and right output belts 64 and 67 in the aforementioned leakage test, the electrical controller 30 sends an instruction to stop working to the lithium battery cover plate leakage detection defective product conveying belt driving motor 611 and simultaneously sends a working instruction to the defective product suction nozzle fixing plate lifting action cylinder 77 and causes a negative pressure generating device such as a vacuum pump or other similar devices connected with the defective product suction pipe 79 through a pipeline to work. Under the operation of the lifting cylinder 77 of the unqualified product suction nozzle fixing plate, the sliding plate 7741 drives the suction nozzle fixing plate support 781, the unqualified product suction nozzle fixing plate 78 and the pair of unqualified product suction nozzles 79 to move downwards to the extent that the sliding plate ram 7741 touches the sliding plate descending limit position signal collector 7731, the pair of unqualified product suction nozzles 79 touch the creepage lithium battery cover plate 50 and suck the creepage lithium battery cover plate under the action of negative pressure, then the unqualified product suction nozzle fixing plate lifting cylinder 77 works reversely to enable the pair of unqualified product suction nozzles 79 to move upwards in the state of sucking the creepage lithium battery cover plate 50, the degree of the upward displacement is determined that the upper end surface of the sliding plate 774 touches the sliding plate ascending limit position signal collector 7721, at this time, the sliding plate ascending limit position signal collector 7721 feeds back signals to the electric controller 30, the electric controller 30 feeds the signals to the linear cylinder 75, the linear cylinder slider 76, the unqualified product suction nozzle fixing plate lifting cylinder base 771, the unqualified product suction nozzle fixing plate lifting cylinder 77, the sliding plate 774, the suction nozzle fixing plate supporting frame 781, the unqualified product suction nozzle fixing plate 78, the pair of unqualified product suction nozzles 79 and the lithium battery cover plate 50 which is still in the electric leakage sucked by the pair of unqualified product suction nozzles 79 move rightwards to the upper part of the unqualified product output mechanism 4 corresponding to the air tightness of the lithium battery cover plate, at the moment, the linear cylinder slider 76 collides with the left slide rail base signal collector 731, a signal is given to the electric controller 30 by the electric controller 30, and the linear cylinder 75 is suspended by the electric controller 30. Next, the lifting cylinder 77 of the nozzle fixing plate of the defective product operates in reverse, and in the reverse process, until the signal collector 7731 of the slide plate descending limit position is hit by the slide plate striker 7741, a signal is fed back to the electric controller 30, and the electric controller 30 sends a signal to the negative pressure generating device, so that the pair of nozzles 79 of the defective product are in positive pressure, and the leaked lithium battery cover plate 50 is released to the output mechanism 4 of the detected product with the defective lithium battery cover plate airtightness and is output by the output mechanism. Then, according to the reverse process, the linear cylinder 75 makes the lifting cylinder 77 of the unqualified product suction nozzle fixing plate move left to the upper main part of the left and right output belts 64 and 67 corresponding to the qualified product of the leakage detection of the lithium battery cover plate, the left displacement degree of the linear cylinder 75 is based on the condition that the linear cylinder slide block 76 touches the right slide rail seat signal collector 741, when the linear cylinder is collided, the linear cylinder gives a signal to the electric controller 30, the electric controller 30 gives the conveying belt driving motor 611 to the qualified product of the leakage detection of the lithium battery cover plate again to work, the qualified lithium battery cover plate 50 is output, otherwise, the above-mentioned way is repeated to be taken away by the unqualified product of the leakage detection of the lithium battery cover plate taking-away mechanism 7.

It should be noted that: in the present application, all references to the concept of an active cylinder are to be understood as referring essentially to a cylinder.

In conclusion, the technical scheme provided by the invention overcomes the defects in the prior art, successfully completes the invention task and truly realizes the technical effects of the applicant in the technical effect column.

Claims (3)

1. A lithium battery cover plate detection machine with a function of taking off unqualified products comprises a workbench (1), wherein an electric controller (30) is arranged below the right end of the workbench (1); a lithium battery cover plate leakage detection mechanism (5) and a lithium battery cover plate leakage detection qualified product output mechanism (6) which are electrically connected with the electric controller (30), wherein the lithium battery cover plate leakage detection qualified product output mechanism (6) is arranged at the left end of the workbench (1), the lithium battery cover plate leakage detection mechanism (5) is fixed with the lithium battery cover plate leakage detection qualified product output mechanism (6) at a position corresponding to the upper part of the lithium battery cover plate leakage detection qualified product output mechanism (6), it is characterized by also comprising a lithium battery cover plate leakage detection unqualified product taking-off mechanism (7) which is electrically connected with the electric controller (30), the lithium battery cover plate leakage detection unqualified product taking-off mechanism (7) corresponds to the rear part of the lithium battery cover plate leakage detection mechanism (5) and is fixed with the workbench (1) in a state of being emptied above the lithium battery cover plate leakage detection qualified product output mechanism (6).

2. The lithium battery cover plate detection machine with the unqualified product taking-off function according to claim 1, wherein the lithium battery cover plate leakage detection qualified product output mechanism (6) comprises a lithium battery cover plate leakage detection qualified product conveyor belt drive device (61), a lithium battery cover plate leakage detection qualified product left output belt guide bar (62), a lithium battery cover plate leakage detection qualified product right output belt guide bar (63), a lithium battery cover plate leakage detection qualified product left output belt (64), a lithium battery cover plate leakage detection qualified product right output belt (67), a pair of output belt guide bar front fixing support seats (65) and a pair of output belt guide bar rear fixing support seats (66), and the lithium battery cover plate leakage detection qualified product conveyor belt drive device (61) comprises a lithium battery cover plate leakage detection qualified product conveyor belt drive motor (611), A lithium battery cover plate leakage detection qualified product conveying belt driving motor fixing seat (612), a lithium battery cover plate leakage detection qualified product conveying belt driving wheel (613), a lithium battery cover plate leakage detection qualified product conveying belt driving driven wheel (614), a lithium battery cover plate leakage detection qualified product conveying belt wheel driving shaft (615) and a driving and driven wheel connecting belt (616), wherein the lithium battery cover plate leakage detection qualified product conveying belt driving motor (611) is electrically connected with the electric controller (30) and is fixed with the lithium battery cover plate leakage detection qualified product conveying belt driving motor fixing seat (612), the lithium battery cover plate leakage detection qualified product conveying belt driving motor fixing seat (612) is fixed with the front part of the left end of the workbench (1), the lithium battery cover plate leakage detection qualified product conveying belt driving wheel (613) is fixed with a motor shaft of the lithium battery cover plate leakage detection qualified product conveying belt driving motor (611), the lithium battery cover plate electric leakage detection qualified product conveying belt driving driven wheel (614) is fixed in the middle of a lithium battery cover plate electric leakage detection qualified product conveying belt wheel driving shaft (615) in a flat key fixing mode, the left end of the lithium battery cover plate electric leakage detection qualified product conveying belt wheel driving shaft (615) is rotatably supported on a left bearing support frame (6151) through a left bearing, the right end of the lithium battery cover plate electric leakage detection qualified product conveying belt wheel driving shaft (615) is rotatably supported on a right bearing support frame (6152) through a right bearing, the lower portions of the left bearing support frame (6151) and the right bearing support frame (6152) are respectively fixed with the workbench (1), one end of a driving wheel and a driven wheel (616) of the lithium battery cover plate electric leakage detection qualified product conveying belt driving wheel are sleeved with one end of the driving wheel (613), the other end of the driving wheel (614) of the lithium battery cover plate electric leakage detection qualified product conveying belt, the front end of the left output belt guide strip (62) of the lithium battery cover plate electric leakage detection qualified product conveying belt is sleeved with a pair of output belt guide strip front fixing support seats (65) The front fixing support seat of the left output belt guide strip is fixed, the rear end of the left output belt guide strip (62) of qualified product for leakage detection of lithium battery cover plate is fixed with the rear fixing support seat of the left output belt guide strip in the pair of rear fixing support seats (66) of the output belt guide strips, the right output belt guide strip (63) of qualified product for leakage detection of lithium battery cover plate is parallel to the left output belt guide strip (62) of qualified product for leakage detection of lithium battery cover plate in the length direction, the front end of the right output belt guide strip is fixed with the front fixing support seat of the right output belt guide strip in the pair of front fixing support seats (65) of the output belt guide strips, the rear end of the right output belt guide strip in the pair of rear fixing support seats (66) of the output belt guide strips is fixed, and the front end of the left output belt (64) of qualified product for leakage detection of lithium battery cover plate is sleeved on the left output belt front belt pulley (641) of qualified product for leakage detection of lithium battery cover plate (64) The rear end of the qualified product left output belt (642) is sleeved on a qualified product left output belt rear belt pulley (64) of a lithium battery cover plate leakage detection qualified product, the middle part of the lithium battery cover plate leakage detection qualified product left output belt (64) is in contact with the upper and lower surfaces of a lithium battery cover plate leakage detection qualified product left output belt guide strip (62), the qualified product left output belt front belt pulley (641) is fixed on a lithium battery cover plate leakage detection qualified product conveying belt pulley driving shaft (615) in a flat key fixing mode at a position between the left bearing support frame (6151) and the left side of a lithium battery cover plate leakage detection qualified product conveying belt driving driven wheel (614), the qualified product left output belt rear belt pulley (642) is rotationally arranged on a qualified product left output belt rear wheel shaft seat (6421), and the qualified product left output belt rear wheel shaft (6421) is fixed on a qualified product left output belt rear belt wheel shaft seat (6422), this qualified product left side output belt rear pulley seat (6422) is fixed the rear end of lithium cell cover board electric leakage detection qualified product left side output belt conducting bar (62), the front end cover of lithium cell cover board electric leakage detection qualified product right side output belt (67) is put on qualified product right side output belt front pulley (671) of lithium cell cover board electric leakage detection qualified product right side output belt (67), the rear end cover is put on qualified product right side output belt rear pulley (672) of lithium cell cover board electric leakage detection qualified product right side output belt (67), the middle part of lithium cell cover board electric leakage detection qualified product right side output belt (67) and the upper and lower surface subsides of lithium cell cover board electric leakage detection qualified product right side output belt conducting bar (63) are touched, qualified product right side output belt front pulley (671) is being located the position between right side bearing support frame (6152) and lithium cell cover board electric leakage detection qualified product conveying belt drive driven wheel (614)'s right side is fixed with flat key fixed mode the lithium cell The battery cover plate electric leakage detection qualified product conveying belt pulley driving shaft (615), a qualified product right output belt rear belt pulley (672) is rotatably arranged on a qualified product right output belt rear belt pulley shaft seat (6721), the qualified product right output belt rear belt pulley shaft seat (6721) is fixed on a qualified product right output belt rear belt pulley shaft seat (6722), the qualified product right output belt rear belt pulley shaft seat (6722) is fixed at the rear end of a lithium battery cover plate electric leakage detection qualified product right output belt guide bar (63), a pair of output belt guide bar front fixing supporting seats (65) is fixed at the middle part of an output belt guide bar front fixing supporting seat supporting shaft (651), the left end of the output belt guide bar front fixing supporting seat (651) is fixed with the left bearing supporting frame (6151), the right end of the output belt guide bar front fixing supporting seat (6152) is fixed with the right bearing frame (6152), and a pair of output belt guide bar rear fixing supporting seats (66) is fixed at the output belt guide bar rear fixing supporting seat (661) A middle part, and both ends of the output belt guide rear fixed support bearing support shaft (661) are respectively fixed on a pair of support shaft supports (6611) which are opposite and corresponding to each other, and the lower part of the support shaft support (6611) is fixed on the workbench (1); the lithium battery cover plate leakage detection mechanism (5) corresponds to the upper parts of the lithium battery cover plate leakage detection qualified product left output belt (64) and the lithium battery cover plate leakage detection qualified product right output belt (67) in a state that the lithium battery cover plate leakage detection qualified product left output belt guide strip (62) and the lithium battery cover plate leakage detection qualified product right output belt guide strip (63) are fixed on the side surfaces; the lithium battery cover plate leakage detection unqualified product taking-off mechanism (7) corresponds to the upper parts of the lithium battery cover plate leakage detection qualified product left output belt guide strip (62) and the lithium battery cover plate leakage detection qualified product right output belt guide strip (63) in an emptying state.

3. The lithium battery cover plate detection machine with the defective product removal function according to claim 2, wherein the lithium battery cover plate leakage detection defective product removal mechanism (7) includes a table fixing vertical plate (71), a slide rail seat fixing plate (72), a left slide rail seat (73), a right slide rail seat (74), a linear air cylinder (75), a linear air cylinder slider (76), a defective product suction nozzle fixing plate lifting action cylinder (77), a defective product suction nozzle fixing plate (78), and a pair of defective product suction nozzles (79), the bottom of the table fixing vertical plate (71) is fixed to the table (1), the upper portion of the table fixing vertical plate (71) extends upward in a direction away from the table (1), the left end of the slide rail seat fixing plate (72) is fixed to the rear side of the upper portion of the table fixing vertical plate (71), and the right end of the slide rail seat fixing plate (72) is horizontally cantilevered to the lithium battery cover plate leakage detection defective product left output guide belt The left slide rail seat (73) is fixed with the rear side of the left end of the slide rail seat fixing plate (72), a left slide rail seat signal collector (731) is arranged on the left slide rail seat (73), the right slide rail seat (74) is fixed with the rear side of the right end of the slide rail seat fixing plate (72), a right slide rail seat signal collector (741) is arranged on the right slide rail seat (74), a slide rail seat reinforcing strip (742) is fixed between the left slide rail seat (73) and the upper part of the right slide rail seat (74), a line laying groove (7421) is formed in one upward side of the slide rail seat reinforcing strip (742) in the length direction, a linear air cylinder (75) is fixed between the left slide rail seat (73) and the right slide rail seat (74), and the middle part of the linear air cylinder slider (76) is matched with the linear air cylinder (75), the upper end and the lower end of a linear air cylinder slide block (76) are respectively in sliding fit with a linear air cylinder slide block guide rod (761), the linear air cylinder slide block guide rod (761) is fixed between a left slide rail seat (73) and a right slide rail seat (74), a unqualified product suction nozzle fixed plate lifting action cylinder (77) is fixed with the linear air cylinder slide block (76) through an unqualified product suction nozzle fixed plate lifting action cylinder seat (771), a slide plate collision block (772) is fixed at the top of the unqualified product suction nozzle fixed plate lifting action cylinder (77), a slide plate ascending limit position signal collector (7721) is fixed on the slide plate collision block (772), a slide plate collision signal collector fixing seat (773) is fixed at the bottom of the unqualified product suction nozzle fixed plate lifting action cylinder (77), a slide plate descending limit position signal collector (7731) is arranged on the slide plate collision signal collector fixing seat (773), the upper end surface of a sliding plate (774) of a lifting action cylinder (77) of a unqualified product suction nozzle fixing plate corresponds to a sliding plate lifting limit position signal collector (7721), a sliding plate ram (7741) formed on the right side of the sliding plate (774) corresponds to a sliding plate descending limit position signal collector (7731), the middle part of the unqualified product suction nozzle fixing plate (78) is fixed with the lower end of a suction nozzle fixing plate support frame (781) in an L shape, the upper end of the suction nozzle fixing plate support frame (781) is fixed with the sliding plate (774), a pair of unqualified product suction nozzles (79) are respectively fixed at two ends of the unqualified product suction nozzle fixing plate (78) and are connected with a negative pressure generating device through pipelines in a use state; the device comprises a left slide rail seat signal collector (731), a right slide rail seat signal collector (741), a linear air cylinder (75), a slide plate ascending limit position signal collector (7721), a slide plate descending limit position signal collector (7731), a unqualified product suction nozzle fixing plate lifting acting cylinder (77) and a negative pressure generating device which are electrically connected with the electric controller (30).

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