Lithium battery testing device based on three-way code scanning

Abstract

The present invention discloses a lithium battery testing device based on three-way code scanning, comprising three code scanning guns and a feeding section, a detection section, a CCD video section, a gluing section and a discharging section connected in sequence, wherein two code scanning guns are arranged at one end of the detection section close to the feeding section to respectively scan the identification codes on the jig and the lithium battery transmitted by the feeding section, and the remaining code scanning gun is arranged between the gluing section and the discharging section to scan the identification codes on the lithium battery transmitted by the gluing section. The present invention sets two code scanning guns at one end of the detection section close to the feeding section to respectively scan the identification codes on the jig and the lithium battery transmitted by the feeding section, and sets one code scanning gun between the gluing section and the discharging section to scan the identification codes on the lithium battery transmitted by the gluing section. The three code scanning guns can ensure that the detection data will not be confused, and at the same time can achieve the traceability effect of lithium batteries and jigs, thereby improving the detection accuracy and efficiency.

Description

Technical Field

[0001] The present invention relates to the technical field of lithium battery testing, and in particular to a lithium battery testing device based on three-time code scanning. Background Art

[0002] Lithium batteries are widely used in UPS, electric vehicles, and renewable energy power generation. With the revolution in energy technology, lithium batteries are poised for even wider application. After production, lithium batteries typically undergo FT functional testing, air tightness testing, and maintenance access testing.

[0003] Existing production lines are gradually replacing manual operations with machines and equipment, and this is also true in the field of lithium battery testing. However, when using mechanical equipment to test lithium batteries, large quantities of lithium batteries are easily confused when tested on the production line, and it is impossible to trace the source of lithium batteries that have already been tested, resulting in low testing efficiency. Summary of the Invention

[0004] In order to overcome the shortcomings of the existing technology, the purpose of the present invention is to provide a lithium battery testing device based on three-time code scanning, which aims to solve the technical problems that the existing lithium batteries are prone to detection data confusion during detection on the assembly line, and cannot trace the source of the lithium batteries that have been detected, resulting in low detection efficiency.

[0005] To achieve the above object, the present invention provides the following solutions:

[0006] The present invention provides a lithium battery testing device based on three-time code scanning, comprising three code scanning guns and a feeding section, a detection section, a CCD video section, a gluing section and a discharging section connected in sequence, wherein two of the code scanning guns are arranged at one end of the detection section close to the feeding section to respectively scan the identification codes on the jig and the lithium battery transmitted by the feeding section, and the remaining code scanning gun is arranged between the gluing section and the discharging section to scan the identification code on the lithium battery transmitted by the gluing section.

[0007] Furthermore, the three barcode scanners are defined as a first barcode scanner, a second barcode scanner and a third barcode scanner, the feeding section includes a first machine and a feeding conveyor belt arranged on the first machine, the detection section includes a second machine, and a loading conveyor belt, a unloading conveyor belt, a number of FT test stations, a number of air tightness test stations and a number of first robots arranged on the second machine, the number of the FT test stations and the number of the air tightness test stations are respectively arranged in two rows and spaced between the loading conveyor belt and the unloading conveyor belt, the first robot is installed on the second machine to clamp the lithium battery fixture installed on the loading conveyor belt and transfer it to the FT test station, the air tightness test station and the unloading conveyor belt in turn, the head of the loading conveyor belt is arranged near the tail of the feeding conveyor belt and is flush with it, the tail of the unloading conveyor belt is connected to the CCD video section, and the first barcode scanner and the second barcode scanner are both arranged near the head of the loading conveyor belt.

[0008] Furthermore, the lithium battery testing device based on three-time code scanning also includes a casing, and a feed port and a discharge port are respectively provided on both sides of the casing. The detection section, CCD video section, gluing section and the three code scanning guns are all located inside the casing, one end of the feed section is connected to the detection section, and the other end extends to the outside of the casing through the feed port, and one end of the discharge section is located inside the casing and connected to the gluing section, and the other end extends to the outside of the casing through the discharge port.

[0009] Furthermore, the casing has two first side walls and two second side walls arranged at intervals, the two ends of the first side walls are respectively vertically connected to the two second side walls, the feed port and the discharge port are respectively arranged on the two first side walls, the loading conveyor belt and the unloading conveyor belt are both arranged on the first machine parallel to the length direction of the first side wall, a number of the FT test stations and a number of air tightness test stations are respectively arranged in two rows along the length direction of the first side wall and at intervals on the second machine, the first barcode scanner and the second barcode scanner are both arranged on the FT test station and close to the head of the loading conveyor belt.

[0010] Furthermore, the lithium battery testing device based on three-time code scanning also includes a jig reflux conveying section, which includes a second manipulator, a feed lifting mechanism, a unloading lifting mechanism, a reflux conveyor belt, a third machine located outside the casing, and a fourth machine located inside the casing. The head of the reflux conveyor belt is located inside the casing, and the tail extends to the outside of the casing through the feed port. The feed lifting mechanism is installed on the third machine, and one end of the feed lifting mechanism is connected to the head of the feed conveyor belt and the other end is connected to the tail of the reflux conveyor belt. The unloading lifting mechanism is installed on the fourth machine, and one end of the unloading lifting mechanism is connected to the gluing section and the other end is connected to the head of the reflux conveyor belt. The second manipulator is installed on the fourth machine for clamping the lithium battery conveyed by the gluing section to the discharging section, and the third code scanning gun is provided on the second manipulator.

[0011] Furthermore, the first barcode scanner gun, the second barcode scanner gun and the third barcode scanner gun all include a gun body, a vertical support rod, a first cross bar, a second cross bar, a first fixing clamp and a second fixing clamp. The vertical support rod is fixed to the FT test station or the fourth machine, and the first cross bar is slidably mounted on the vertical support rod through the first fixing clamp. One end of the second cross bar is mounted with the gun body, and the other end is slidably mounted on the first cross bar through the second fixing clamp, and the second cross bar is perpendicular to the first cross bar.

[0012] Furthermore, the CCD video section includes a fifth machine, a buffer conveyor belt, a video conveyor belt and a CCD camera, and the gluing section includes a gluing machine and a gluing conveyor belt. The buffer conveyor belt, the video conveyor belt, the CCD camera, the gluing machine and the gluing conveyor belt are all located on the fifth machine. The jig on the unloading conveyor belt will be transferred to the unloading lifting mechanism through the buffer conveyor belt, the video conveyor belt and the gluing conveyor belt in turn. The CCD camera is arranged close to the video conveyor belt for detecting the maintenance access of the lithium battery on the video conveyor belt, and the gluing machine is arranged close to the gluing conveyor belt for gluing the lithium battery on the gluing conveyor belt.

[0013] Furthermore, the lithium battery testing device based on three-time code scanning also includes an NG conveying section, and the casing is located on one side of the discharge port and is also provided with an NG product outlet. The NG conveying section includes a sixth machine, a third robot and several NG conveyor belts arranged in parallel and spaced apart and located on the sixth machine. The head of the NG conveyor belt is located in the casing and is arranged close to the head of the unloading conveyor belt, and the tail extends to the outside of the casing through the NG product outlet. The third robot is arranged on the sixth machine to clamp the unqualified lithium batteries on the unloading conveyor belt and transfer them to the NG conveyor belt.

[0014] Furthermore, the discharging section includes a seventh machine and a discharging conveyor belt located on the seventh machine, the head of the discharging conveyor belt is connected to the unloading lifting mechanism, and the tail extends to the outside of the machine casing through the discharging port.

[0015] Furthermore, the lithium battery testing device based on three-time code scanning also includes a sorting section, which includes a sorting conveyor belt located on the seventh machine and arranged side by side with the discharge conveyor belt. The head of the sorting conveyor belt is arranged close to the second manipulator, and the tail extends to the outside of the casing through the discharge port.

[0016] Compared with the prior art, the present invention has the following beneficial effects:

[0017] Compared with the existing technology, the present invention sets two barcode scanners at one end of the detection section close to the feeding section to scan the identification codes on the jig and lithium battery transmitted from the feeding section respectively, and sets a barcode scanner between the gluing section and the discharging section to scan the identification codes on the lithium battery transmitted from the gluing section. The three barcode scanners can ensure that the detection data will not be confused, and at the same time can achieve the traceability effect of lithium batteries and jigs, thereby improving the detection accuracy and efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying any creative work.

[0019] Figure 1 This is a schematic diagram of the structure of the lithium battery testing device provided by the embodiment of the present invention. Figure 1 ;

[0020] Figure 2 This is a schematic diagram of the structure of the lithium battery testing device provided by the embodiment of the present invention. Figure 2 ;

[0021] Figure 3 This is a schematic structural diagram of the lithium battery testing device provided by an embodiment of the present invention with the casing removed;

[0022] Figure 4 yes Figure 3 A partial enlarged schematic diagram of point A in the middle;

[0023] Figure 5 yes Figure 3 A partial enlarged schematic diagram of point B in the middle;

[0024] Figure 6 2 is a schematic structural diagram of a third barcode scanner provided by an embodiment of the present invention;

[0025] Figure 7 This is a schematic diagram of the structure of the combination of the detection section, the first barcode scanning gun and the second barcode scanning gun provided in an embodiment of the present invention;

[0026] Figure 8 This is a schematic diagram of the structure of the third barcode scanner, CCD video section, gluing section, discharging section, NG conveying section, sorting section, and part of the jig return conveying section provided in an embodiment of the present invention;

[0027] Figure 9 It is a structural schematic diagram of the blanking and lifting mechanism provided by an embodiment of the present invention;

[0028] Figure 10 It is a structural schematic diagram of a lithium battery provided by an embodiment of the present invention installed on a fixture.

[0029] Description of Figure Numbers:

[0030] 10. Barcode scanner; 11. First barcode scanner; 111. Gun body; 112. Vertical support rod; 113. First crossbar; 114. Second crossbar; 115. First fixing clamp; 116. Second fixing clamp; 12. Second barcode scanner; 13. Third barcode scanner; 20. Feeding section; 21. First machine; 22. Feeding conveyor belt; 221. Manual wire insertion station; 30. Inspection section; 31. Second machine; 32. Loading conveyor belt; 33. Unloading conveyor belt; 34. FT test station; 35. Air tightness test station; 40. CCD video section; 41. Fifth machine; 42. Cache conveyor belt; 43. Video conveyor belt; 44. CCD camera; 50. Gluing section; 51. Gluing machine; 60. Discharging section; 61. Seventh machine; 62. Discharging conveyor belt; 70. Fixture; 80 , lithium battery; 81, maintenance channel entrance; 90, machine casing; 91, feed port; 92, discharge port; 93, first side wall; 94, second side wall; 95, NG product outlet; 100, fixture reflux conveying section; 110, second manipulator; 120, feed lifting mechanism; 130, unloading lifting mechanism; 131, slide rail; 132, drive mechanism; 133, fixture consignment mechanism; 1331, base; 1332, cavity; 1333, support wheel; 1334, belt; 1335, motor; 1336, cylinder; 1337, baffle; 140, reflux conveyor belt; 150, third machine; 160, fourth machine; 200, NG conveying section; 210, sixth machine; 220, third manipulator; 230, NG conveyor belt; 300, sorting section; 310, sorting conveyor belt. DETAILED DESCRIPTION

[0031] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. All other embodiments obtained by ordinary technicians in this field based on the embodiments of the present invention without making any creative efforts shall fall within the scope of protection of the present invention.

[0032] It should be noted that all directional indications in the embodiments of the present invention (such as up, down, left, right, front, back, etc.) are only used to explain the relative position relationship, movement status, etc. between the various components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0033] It should also be noted that when an element is referred to as being "fixed on" or "disposed on" another element, it may be directly on the other element or there may be an intermediate element. When an element is referred to as being "connected to" another element, it may be directly connected to the other element or there may be an intermediate element.

[0034] In addition, the descriptions of "first", "second", etc. in the present invention are for descriptive purposes only and should not be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" or "second" may explicitly or implicitly include at least one of such features. In addition, the technical solutions between the various embodiments can be combined with each other, but this must be based on the fact that they can be implemented by ordinary technicians in this field. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by the present invention.

[0035] See also Figures 1 to 5 ,as well as Figure 10The embodiment of the present invention provides a lithium battery testing device based on three-time code scanning. The lithium battery testing device based on three-time code scanning is hereinafter referred to as the lithium battery testing device. The lithium battery testing device includes a controller, three code scanning guns 10, and a feeding section 20, a detection section 30, a CCD video section 40, a gluing section 50 and a discharging section 60 connected in sequence. The two code scanning guns 10 are both located at one end of the detection section 30 close to the feeding section 20. The two code scanning guns 10 are used to scan the feeding section 20 respectively. 0 and the identification code on the fixture 70 and the identification code on the lithium battery 80. The lithium battery 80 is installed on the fixture 70 and moves with the fixture 70. The remaining barcode scanner 10 is located between the gluing section 50 and the discharging section 60 to scan the identification code on the lithium battery 80 transmitted by the gluing section 50. The feeding section 20, the inspection section 30, the CCD video section 40, the gluing section 50, the discharging section 60 and the three barcode scanners 10 are all connected to the controller in the lithium battery testing device. In this embodiment, by providing three barcode scanners 10, the fixture 70 and the lithium battery 80 are scanned and registered respectively when the fixture 70 containing the lithium battery 80 enters. After all tests on the lithium battery 80 are completed, the lithium battery 80 is scanned and registered again. The three barcode scanners 10 can ensure that the test data is not confused and can achieve traceability of the lithium battery 80 and the fixture 70, thereby improving the accuracy and efficiency of lithium battery 80 testing.

[0036] Please see further Figure 7 In this embodiment, three barcode scanners 10 are defined as a first barcode scanner 11, a second barcode scanner 12, and a third barcode scanner 13. The feeding section 20 includes a first machine 21 and a feeding conveyor belt 22 provided on the first machine 21. The testing section 30 includes a second machine 31, a loading conveyor belt 32, a unloading conveyor belt 33, a plurality of FT test stations 34, a plurality of air tightness test stations 35, and a plurality of first manipulators. The loading conveyor belt 32, the unloading conveyor belt 33, a plurality of FT test stations 34, a plurality of air tightness test stations 35, and a plurality of first manipulators are all provided on the second machine 31. The plurality of FT test stations 34 and a plurality of The dry air tightness test stations 35 are arranged in two rows and are spaced apart between the loading conveyor belt 32 and the unloading conveyor belt 33. The first manipulator is installed on the second machine 31 to clamp the fixture 70 equipped with lithium batteries 80 on the loading conveyor belt 32 and transfer them to the FT test station 34, the air tightness test station 35 and the unloading conveyor belt 33 in sequence. The head of the loading conveyor belt 32 is set close to the tail of the feed conveyor belt 22 and is flush with it for material transportation. The tail of the unloading conveyor belt 33 is connected to the CCD video section 40. The first barcode scanner 11 and the second barcode scanner 12 are both set close to the head of the loading conveyor belt 32.

[0037] The lithium battery testing device based on three-time code scanning also includes a casing 90, with a feed port 91 and a discharge port 92 provided on both sides of the casing 90 respectively. The detection section 30, the CCD video section 40, the gluing section 50 and the three code scanning guns 10 are all located inside the casing 90. One end of the feed section 20 is connected to the detection section 30, and the other end extends to the outside of the casing 90 through the feed port 91. One end of the discharge section 60 is located inside the casing 90 and connected to the gluing section 50, and the other end extends to the outside of the casing 90 through the discharge port 92. The casing 90 can provide a closed environment for the three code scanning guns 10 when working, reducing interference from the external environment.

[0038] The casing 90 has two first side walls 93 and two second side walls 94 that are spaced apart from each other. The two ends of the first side wall 93 are respectively connected vertically to the two second side walls 94. The feed port 91 and the discharge port 92 are respectively arranged on the two first side walls 93. The loading conveyor belt 32 and the unloading conveyor belt 33 are both arranged on the first machine 21 parallel to the length direction of the first side wall 93. A number of FT test stations 34 and a number of air tightness test stations 35 are respectively arranged in two rows along the length direction of the first side wall 93 and spaced apart on the second machine 31. The first barcode scanner 11 and the second barcode scanner 12 are both arranged on the FT test station 34 and close to the head of the loading conveyor belt 32.

[0039] See also Figure 2 、 Figure 8 and Figure 9 The lithium battery testing device based on three-time code scanning also includes a fixture reflux conveying section 100, which includes a second manipulator 110, a feeding lifting mechanism 120, a discharge lifting mechanism 130, a reflux conveyor belt 140, a third machine 150 located outside the casing 90, and a fourth machine 160 located inside the casing 90. The head of the reflux conveyor belt 140 is located inside the casing 90, and the tail extends to the outside of the casing 90 through the feeding port 91. The feeding lifting mechanism 120 is installed on the third machine 150 and feeds One end of the material lifting mechanism 120 is connected to the head of the feed conveyor 22 and the other end is connected to the tail of the return conveyor 140. The unloading lifting mechanism 130 is mounted on the fourth machine 160, with one end connected to the gluing section 50 and the other end connected to the head of the return conveyor 140. The second robot 110 is mounted on the fourth machine 160 and is used to clamp the lithium batteries 80 conveyed by the gluing section 50 to the discharge section 60. The third barcode scanner 13 is mounted on the second robot 110. The empty jig 70 is transported from the return conveyor 140 to the feed lifting mechanism 120, where it is positioned and raised to a specified height to receive the lithium battery 80. The jig 70, equipped with the lithium battery 80, is moved along the feed conveyor 22 into the testing machine for testing. The unloading lifting mechanism 130 then transfers the empty jig 70 to the return conveyor 140 for reflow.

[0040] Please see further Figure 3 and Figure 6 In this embodiment, the first barcode scanning gun 11, the second barcode scanning gun 12 and the third barcode scanning gun 13 all include a gun body 111, a vertical support rod 112, a first cross bar 113, a second cross bar 114, a first fixing clamp 115 and a second fixing clamp 116. The vertical support rod 112 is fixed to the FT test station 34 or the fourth machine 160. The first cross bar 113 is slidably mounted on the vertical support rod 112 through the first fixing clamp 115. One end of the second cross bar 114 is mounted with the gun body 111, and the other end is slidably mounted on the first cross bar 113 through the second fixing clamp 116. The second cross bar 114 is perpendicular to the first cross bar 113. In this embodiment, the first barcode scanning gun 11 and the second barcode scanning gun 12 are very close to each other. Therefore, the gun bodies 111 of the first barcode scanning gun 11 and the second barcode scanning gun 12 can be fixed on the same second cross bar 114.

[0041] Both the feeding lifting mechanism 120 and the unloading lifting mechanism 130 include a slide rail 131 vertically arranged on the third machine 150 or the fourth machine 160, a slider slidably connected to the slide rail 131, a driving mechanism 132 installed on the slide rail 131 to drive the slider to lift and reciprocate, and a fixture transporting mechanism 133 installed on the slider for carrying the fixture 70. The driving mechanism 132 here is preferably a servo motor. The feeding lifting mechanism 120 and the unloading lifting mechanism 130 can vertically transfer the fixture 70.

[0042] The jig transporting mechanism 133 includes a base 1331 with a concave cavity 1332, a plurality of support wheels 1333 respectively installed on the inner sides of the concave cavity 1332, two belts 1334 respectively sleeved on the support wheels 1333 on both sides of the concave cavity 1332, a motor 1335 installed outside the base 1331 and connected to a support wheel 1333 to drive the belt 1334 to rotate, a cylinder 1336 located in the concave cavity 1332 and arranged vertically, and a baffle 1337 connected to the output end of the cylinder 1336. When the cylinder 1336 contracts, the distance between the top of the baffle 1337 and the bottom wall of the concave cavity 1332 is smaller than the distance between the top of the belt 1334 and the bottom wall of the concave cavity 1332. The base 1331 is installed on the slider. The jig transporting mechanism 133 can transfer the jig 70 to the next workstation.

[0043] The CCD video section 40 includes a fifth machine 41, a buffer conveyor belt 42, a video conveyor belt 43 and a CCD camera 44. The gluing section 50 includes a gluing machine 51 and a gluing conveyor belt. The buffer conveyor belt 42, the video conveyor belt 43, the CCD camera 44, the gluing machine 51 and the gluing conveyor belt are all located on the fifth machine 41. The jig 70 on the unloading conveyor belt 33 will be transferred to the unloading lifting mechanism 130 in sequence through the buffer conveyor belt 42, the video conveyor belt 43 and the gluing conveyor belt. The CCD camera 44 is arranged close to the video conveyor belt 43 for detecting the maintenance channel opening 81 of the lithium battery 80 on the video conveyor belt 43. The gluing machine 51 is arranged close to the gluing conveyor belt for gluing the lithium battery 80 on the gluing conveyor belt.

[0044] The lithium battery testing device based on three-time code scanning also includes an NG conveying section 200. The casing 90 is located on one side of the discharge port 92 and is also provided with an NG product outlet 95. The NG conveying section 200 includes a sixth machine 210, a third manipulator 220, and several NG conveyor belts 230 arranged in parallel and spaced apart and located on the sixth machine 210. The head of the NG conveyor belt 230 is located in the casing 90 and is arranged close to the head of the unloading conveyor belt 33, and the tail extends to the outside of the casing 90 through the NG product outlet 95. The third manipulator 220 is arranged on the sixth machine 210 to clamp the unqualified lithium batteries 80 on the unloading conveyor belt 33 and transfer them to the NG conveyor belt 230.

[0045] The discharging section 60 includes a seventh machine 61 and a discharging conveyor belt 62 located on the seventh machine 61 . The head of the discharging conveyor belt 62 is connected to the unloading lifting mechanism 130 , and the tail thereof extends to the outside of the casing 90 through the discharging port 92 .

[0046] The lithium battery testing device based on three-time code scanning also includes a sorting section 300. The sorting section 300 includes a sorting conveyor belt 310 located on the seventh machine 61 and arranged side by side with the discharge conveyor belt 62. The head of the sorting conveyor belt 310 is arranged close to the second manipulator 110, and the tail extends to the outside of the casing 90 through the discharge port 92.

[0047] In this embodiment, the second machine 31 and the fifth machine 41 can be set as a whole, of course, they can also be set separately as described above, the structure of the feed conveyor belt 22, the loading conveyor belt 32, the unloading conveyor belt 33, the return conveyor belt 140, the buffer conveyor belt 42, the camera conveyor belt 43 and the glue conveyor belt is not limited, and can be belt type, chain type or servo mobile module, and are all electrically connected to the controller.

[0048] The lithium battery 80 on the test device in this embodiment is tested in the following manner:

[0049] After the feeding lifting mechanism 120 positions the empty jig 70, an external machine places the lithium battery 80 into the jig 70. After the feeding conveyor belt 22 runs to the manual wire insertion station 221, the test wire on the jig 70 is manually connected to the wire on the lithium battery 80. The feeding conveyor belt 22 transports the jig 70 to the feeding conveyor belt 32. The first barcode scanner 11 and the second barcode scanner 12 are used to scan the identification code on the jig 70 and the identification code on the lithium battery 80 on the feeding conveyor belt 32 respectively; then the feeding conveyor belt 32 moves the jig 70 with the lithium battery 80 to the FT test station 34. The first robot moves the jig 70 carrying the lithium battery 80 into the airtightness test station 35 for a FT function test. After the FT function test is complete, the first robot moves the jig 70 carrying the lithium battery 80 to the airtightness test station 35 to begin the airtightness test. After the test is complete, the jig 70 carrying the lithium battery 80 is gripped and moved to the unloading conveyor 33 for sorting based on the test results. If the product is OK, the lithium battery 80 and the jig 70 are moved to the buffer conveyor 42. If the product is NG, the second robot 110 grabs the lithium battery 80 and moves it to the corresponding NG conveyor 230 for delivery.

[0050] The buffer conveyor belt 42 transfers the jig 70 with the lithium battery 80 to the camera conveyor belt 43, where the CCD camera 44 takes pictures for inspection of the maintenance channel entrance 81. After completion, the jig is transferred from the camera conveyor belt 43 to the gluing conveyor belt for gluing by the gluing machine 51. After gluing is completed, the third barcode scanner 13 scans the identification code on the lithium battery 80 transmitted by the gluing section 50. When the product is OK, the second manipulator 110 places the lithium battery 80 on the discharge conveyor belt 62. When the product is NG, the second manipulator 110 places the lithium battery 80 on the sorting conveyor belt 310. The empty jig 70 is transferred to the return conveyor belt 140 for reflow through the unloading lifting mechanism 130. The return conveyor belt 140 transports the empty jig 70 to the feeding lifting mechanism 120, where it is positioned and raised to a specified height to receive the lithium battery 80, and the above process is repeated again.

[0051] The above are only preferred embodiments of the present invention and are not intended to limit the patent scope of the present invention. All equivalent structural transformations made using the contents of the present invention's description and drawings, or direct / indirect applications in other related technical fields, within the scope of the present invention are included in the patent protection scope of the present invention.

Claims

1. A lithium battery testing device based on three-scan code scanning, characterized by: It includes three barcode scanners and a feeding section, an inspection section, a CCD video section, a gluing section, and a discharging section connected in sequence, wherein two of the barcode scanners are located at one end of the inspection section close to the feeding section to respectively scan the identification codes on the jig and lithium battery delivered from the feeding section, and the remaining barcode scanner is located between the gluing section and the discharging section to scan the identification code on the lithium battery delivered from the gluing section; The three barcode scanners are defined as a first barcode scanner, a second barcode scanner and a third barcode scanner. The feeding section includes a first machine and a feeding conveyor belt arranged on the first machine. The inspection section includes a second machine and a loading conveyor belt, a unloading conveyor belt, a plurality of FT test stations, a plurality of air tightness test stations and a plurality of first manipulators arranged on the second machine. The plurality of FT test stations and the plurality of air tightness test stations are respectively arranged in two rows and spaced between the loading conveyor belt and the unloading conveyor belt. The first manipulator is installed on the second machine to clamp the lithium battery fixture installed on the loading conveyor belt and transfer it to the FT test station, the air tightness test station and the unloading conveyor belt in sequence. The head of the loading conveyor belt is arranged close to and flush with the tail of the feeding conveyor belt. The tail of the unloading conveyor belt is connected to the CCD video section. The first barcode scanner and the second barcode scanner are both arranged close to the head of the loading conveyor belt. The lithium battery testing device based on three-time code scanning also includes a housing, with a feed port and a discharge port respectively provided on both sides of the housing. The detection section, CCD video section, gluing section and three code scanning guns are all located inside the housing. One end of the feed section is connected to the detection section, and the other end extends to the outside of the housing through the feed port. One end of the discharge section is located inside the housing and connected to the gluing section, and the other end extends to the outside of the housing through the discharge port. The lithium battery testing device based on three-time code scanning also includes a jig reflux conveying section, which includes a second manipulator, a feeding lifting mechanism, a unloading lifting mechanism, a reflux conveyor belt, a third machine located outside the casing, and a fourth machine located inside the casing, the head of the reflux conveyor belt is located inside the casing, and the tail extends to the outside of the casing through the feeding port, the feeding lifting mechanism is installed on the third machine, one end of the feeding lifting mechanism is connected to the head of the feeding conveyor belt, and the other end is connected to the tail of the reflux conveyor belt, the unloading lifting mechanism is installed on the fourth machine, one end of the unloading lifting mechanism is connected to the gluing section, and the other end is connected to the head of the reflux conveyor belt, the second manipulator is installed on the fourth machine for clamping the lithium battery conveyed by the gluing section to the discharging section, and the third code scanning gun is provided on the second manipulator; The feeding lifting mechanism and the unloading lifting mechanism both include a slide rail vertically arranged on the third machine platform or the fourth machine platform, a slider slidably connected to the slide rail, a driving mechanism installed on the slide rail to drive the slider to reciprocate and lift, and a jig carrying mechanism installed on the slider for carrying the jig; The jig transporting mechanism includes a base with a concave cavity, a plurality of support wheels respectively installed on the two inner sides of the concave cavity, two belts respectively mounted on the support wheels on both sides of the concave cavity, a motor installed outside the base and connected to a support wheel to drive the belt to rotate, a cylinder located in the concave cavity and arranged vertically, and a baffle connected to the output end of the cylinder. When the cylinder contracts, the distance between the top of the baffle and the bottom wall of the concave cavity is smaller than the distance between the top of the belt and the bottom wall of the concave cavity. The base is installed on the slider, and the jig transporting mechanism can transfer the jig to the next workstation.

2. The lithium battery testing device based on three-scan code scanning according to claim 1, characterized in that: The casing has two first side walls and two second side walls that are spaced apart from each other. The two ends of the first side wall are respectively connected vertically to the two second side walls. The feed port and the discharge port are respectively arranged on the two first side walls. The loading conveyor belt and the unloading conveyor belt are both arranged on the first machine parallel to the length direction of the first side wall. A number of the FT test stations and a number of air tightness test stations are respectively arranged in two rows along the length direction of the first side wall and spaced apart on the second machine. The first barcode scanner and the second barcode scanner are both arranged on the FT test station and close to the head of the loading conveyor belt.

3. The lithium battery testing device based on three-scan code scanning according to claim 1, characterized in that: The first barcode scanning gun, the second barcode scanning gun and the third barcode scanning gun all include a gun body, a vertical support rod, a first cross bar, a second cross bar, a first fixing clamp and a second fixing clamp. The vertical support rod is fixed to the FT test station or the fourth machine. The first cross bar is slidably mounted on the vertical support rod through the first fixing clamp. The gun body is mounted on one end of the second cross bar, and the other end is slidably mounted on the first cross bar through the second fixing clamp. The second cross bar is perpendicular to the first cross bar.

4. The lithium battery testing device based on three-scan code scanning according to claim 1, characterized in that: The CCD video section includes a fifth machine, a buffer conveyor belt, a video conveyor belt and a CCD camera. The glue section includes a glue machine and a glue conveyor belt. The buffer conveyor belt, the video conveyor belt, the CCD camera, the glue machine and the glue conveyor belt are all located on the fifth machine. The jig on the unloading conveyor belt will be transferred to the unloading lifting mechanism through the buffer conveyor belt, the video conveyor belt and the glue conveyor belt in sequence. The CCD camera is arranged close to the video conveyor belt for detecting the maintenance channel opening of the lithium battery on the video conveyor belt. The glue machine is arranged close to the glue conveyor belt for gluing the lithium battery on the glue conveyor belt.

5. The lithium battery testing device based on three-scan code scanning according to claim 1, characterized in that: The lithium battery testing device based on three-time code scanning also includes an NG conveying section. The casing is located on one side of the discharge port and is also provided with an NG product outlet. The NG conveying section includes a sixth machine, a third robot, and several NG conveyor belts arranged in parallel and spaced apart and located on the sixth machine. The head of the NG conveyor belt is located in the casing and is arranged close to the head of the unloading conveyor belt, and the tail extends to the outside of the casing through the NG product outlet. The third robot is arranged on the sixth machine to clamp the unqualified lithium batteries on the unloading conveyor belt and transfer them to the NG conveyor belt.

6. The lithium battery testing device based on three-scan code scanning according to claim 1, characterized in that: The discharging section includes a seventh machine and a discharging conveyor belt located on the seventh machine. The head of the discharging conveyor belt is connected to the unloading lifting mechanism, and the tail extends to the outside of the machine casing through the discharging port.

7. The lithium battery testing device based on three-time code scanning according to claim 6, characterized in that: The lithium battery testing device based on three-time code scanning also includes a sorting section, which includes a sorting conveyor belt located on the seventh machine and arranged side by side with the discharge conveyor belt. The head of the sorting conveyor belt is arranged close to the second manipulator, and the tail extends to the outside of the casing through the discharge port.

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