CN117583772A - Virtual welding detection equipment for lithium battery processing - Google Patents
Virtual welding detection equipment for lithium battery processing Download PDFInfo
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- CN117583772A CN117583772A CN202410074976.7A CN202410074976A CN117583772A CN 117583772 A CN117583772 A CN 117583772A CN 202410074976 A CN202410074976 A CN 202410074976A CN 117583772 A CN117583772 A CN 117583772A
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- lithium battery
- detection
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- driving
- pushing
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- 238000001514 detection method Methods 0.000 title claims abstract description 223
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 145
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 145
- 238000012545 processing Methods 0.000 title claims abstract description 16
- 230000007246 mechanism Effects 0.000 claims abstract description 226
- 230000007306 turnover Effects 0.000 claims abstract description 35
- 238000003466 welding Methods 0.000 claims description 44
- 238000000034 method Methods 0.000 claims description 16
- 230000005540 biological transmission Effects 0.000 claims description 15
- 230000008569 process Effects 0.000 claims description 15
- 230000001360 synchronised effect Effects 0.000 claims description 8
- 230000009471 action Effects 0.000 claims description 7
- 238000012360 testing method Methods 0.000 claims description 5
- RSWGJHLUYNHPMX-UHFFFAOYSA-N Abietic-Saeure Natural products C12CCC(C(C)C)=CC2=CCC2C1(C)CCCC2(C)C(O)=O RSWGJHLUYNHPMX-UHFFFAOYSA-N 0.000 claims description 4
- KHPCPRHQVVSZAH-HUOMCSJISA-N Rosin Natural products O(C/C=C/c1ccccc1)[C@H]1[C@H](O)[C@@H](O)[C@@H](O)[C@@H](CO)O1 KHPCPRHQVVSZAH-HUOMCSJISA-N 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims description 4
- KHPCPRHQVVSZAH-UHFFFAOYSA-N trans-cinnamyl beta-D-glucopyranoside Natural products OC1C(O)C(O)C(CO)OC1OCC=CC1=CC=CC=C1 KHPCPRHQVVSZAH-UHFFFAOYSA-N 0.000 claims description 4
- 230000000694 effects Effects 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 7
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 3
- 229910001416 lithium ion Inorganic materials 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K31/00—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups
- B23K31/12—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups relating to investigating the properties, e.g. the weldability, of materials
- B23K31/125—Weld quality monitoring
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/36—Electric or electronic devices
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Engineering & Computer Science (AREA)
- Quality & Reliability (AREA)
- Mechanical Engineering (AREA)
- Secondary Cells (AREA)
Abstract
The application discloses a virtual welding detection device for lithium battery processing, belonging to the technical field of battery virtual welding detection; comprises a base, a detection box body, a pushing mechanism, a driving mechanism and a turnover mechanism; the detection box body is arranged at the central position of the top of the base, and a CCD detection mechanism is arranged on the inner wall of the top of the detection box body and used for carrying out cold joint detection on the lithium battery; the pushing mechanism is provided with two groups, and is respectively arranged at two sides of the top of the base, the pushing mechanism positioned at one side of the top of the base is used for pushing the lithium battery to be detected into the detection box, and the pushing mechanism positioned at the other side of the top of the base is used for pushing the detected lithium battery out of the detection box; the driving mechanism is arranged at one end of the inner wall of the detection box body and used for driving the CCD detection mechanism to move. The application can improve the detection efficiency of the lithium battery and save detection manpower.
Description
Technical Field
The application relates to the technical field of lithium battery cold joint detection, in particular to a cold joint detection device for lithium battery processing.
Background
The lithium ion battery pack is formed by connecting lithium ion batteries in series or in parallel, wherein a welding process is needed for the lithium ion batteries, however, the welding process is often needed to ensure the welding quality between each battery core pole piece and the connecting piece in the assembled lithium battery module. If a problem occurs in the welding link, abnormal voltage and internal resistance of a battery at a virtual welding position in the module are often shown, so that the whole battery module works abnormally, the charging and discharging of the module are affected slightly, and thermal runaway can occur when serious, so that a safety accident is caused, and the lithium battery module needs to be subjected to welding and printing detection at the later production period, and at present, a CCD camera is usually used for photographing and detecting.
However, in the current process of welding and detecting the CCD, a single lithium battery pack is generally put into a detecting box, the front welding surface of the lithium battery pack is firstly subjected to cold welding detection, after the detection is completed, the lithium battery pack is manually taken out, the lithium battery pack is manually turned over and then is sent into the detecting box, the negative welding surface of the lithium battery pack is detected, and when the detection is performed in mass production, a large amount of manpower is consumed, the operation is complicated, and the detection efficiency is low.
Disclosure of Invention
One of the purposes of this application provides a lithium cell processing is with rosin joint check out test set in order to be used for improving the detection efficiency to the lithium cell, uses manpower sparingly to detect.
In order to achieve the above purpose, the technical scheme adopted in the application is as follows: the utility model provides a lithium cell processing is with virtual welding check out test set, includes base, detection box, pushing equipment, actuating mechanism and tilting mechanism; the detection box body is arranged at the central position of the top of the base, and a CCD detection mechanism is arranged on the inner wall of the top of the detection box body and used for carrying out cold joint detection on the lithium battery; the pushing mechanism is provided with two groups, and is respectively arranged at two sides of the top of the base, the pushing mechanism positioned at one side of the top of the base is used for pushing the lithium battery to be detected into the detection box, and the pushing mechanism positioned at the other side of the top of the base is used for pushing the detected lithium battery out of the detection box; the driving mechanism is arranged at one end of the inner wall of the detection box body and is used for driving the CCD detection mechanism to move; the turnover mechanism is arranged at the center of the top of the base and is used for driving the lithium battery to turn over in the detection process; the driving mechanism drives the turnover mechanism to rotate through the linkage structure; in an initial state, the CCD detection mechanism is positioned at the center of the top of the detection box body, the two groups of pushing mechanisms are both positioned in a contracted state, and the positive welding surface of the lithium battery to be detected is placed at one of the pushing mechanisms upwards; in the second state, one of the pushing mechanisms pushes the lithium battery to be detected into the detection box body, the CCD detection mechanism detects the positive welding surface of the lithium battery, and the pushing mechanism resets; in a third state, the CCD detection mechanism is driven by the driving mechanism to move until the CCD detection mechanism moves to one end of the detection box body, and the CCD detection mechanism detects the direction of the horizontal direction of the head towards the lithium battery; meanwhile, the driving mechanism drives the turnover mechanism to rotate through the linkage structure, the turnover mechanism drives the lithium battery to rotate ninety degrees, the CCD detection mechanism detects the negative welding surface of the lithium battery, all the detection is completed, and the driving mechanism resets; and in a fourth state, placing a lithium battery to be detected at one of the pushing mechanisms, pushing the lithium battery to be detected into the detection box body by one of the pushing mechanisms, and pushing the lithium battery after detection out by the other pushing mechanism.
Preferably, the top of one end of the detection box body is of an arc-shaped structure, the arc angle is ninety degrees, the driving mechanism drives the CCD detection mechanism to move along the arc surface until the CCD detection mechanism moves to one end of the detection box body, and at the moment, the CCD detection mechanism rotates for ninety degrees and then horizontally faces towards the lithium battery in the detection process.
Preferably, a sliding notch is formed in the top of one end of the detection box body, and the driving mechanism comprises an electric guide rail and a support plate, wherein the electric guide rail is arranged on two sides of the sliding notch, and the support plate is arranged on the electric guide rail in a sliding manner; the electric guide rail drives the supporting plate to move in the sliding notch, in an initial state, the CCD detection mechanism is located on the inner wall of the top of the detection box body, the detection head of the CCD detection mechanism faces downwards vertically, after the electric guide rail drives the supporting plate to move to the inner wall of one end of the detection box body, the turning mechanism drives the lithium battery to turn ninety degrees, the CCD detection mechanism also rotates ninety degrees, and the detection head of the CCD detection mechanism faces towards the negative welding surface of the lithium battery horizontally.
Preferably, the center of the top of the base is provided with a mounting port, the turnover mechanism comprises a rotating shaft and four supporting plates, the rotating shaft is rotatably mounted on the inner walls of the two ends of the mounting port, the four supporting plates are annularly arranged on the rotating shaft, and the supporting plates are of a structure; in the initial state, the pushing mechanism pushes the lithium battery on one of the supporting plates, after the virtual welding detection of the positive welding surface at the top of the lithium battery is completed, the driving mechanism drives the rotating shaft to rotate ninety degrees through the linkage structure, at the moment, the supporting plate drives the lithium battery to rotate ninety degrees, so that the negative welding surface of the lithium battery is exposed in the horizontal direction, and the CCD detection mechanism detects the negative welding surface of the lithium battery.
Preferably, a first through hole is formed in the bottom of the sliding notch, a second through hole is formed in the base, the first through hole is communicated with the second through hole, a mounting groove is formed in the bottom of the base, and the linkage structure comprises a toothed plate, a first linkage rod and a second linkage rod; the toothed plate is vertically and elastically installed in the second through hole in a sliding manner; the first linkage rod is parallel to the rotating shaft, the middle part of the first linkage rod is connected with a fourth gear through a one-way bearing, and the fourth gear is meshed with the toothed plate; the second linkage rod is perpendicular to the rotating shaft, and two ends of the second linkage rod are connected with the first linkage rod and the rotating shaft through bevel gears respectively; when the supporting plate moves downwards, the supporting plate is propped against the top of the toothed plate and drives the toothed plate to descend, the toothed plate drives the fourth gear to rotate, and then drives the first linkage rod to rotate, and ninety degrees of rotation of the rotating shaft is driven through linkage rotation among the first linkage rod, the second linkage rod and the rotating shaft; when the supporting plate moves in an upward resetting manner, the toothed plate moves in an upward resetting manner under the action of sliding elastic connection, and at the moment, the fourth gear idles under the action of the one-way bearing and cannot drive the first linkage rod to rotate.
Preferably, a telescopic mechanism is arranged between the CCD detection mechanism and the driving mechanism and used for driving the CCD detection mechanism to move towards the lithium battery.
Preferably, the telescopic mechanism comprises a third gear, a third screw rod, a telescopic rod and a rack; the center of the top of the supporting plate is provided with a through hole, the third gear is rotatably mounted at the bottom of the supporting plate, the center of the bottom of the third gear is provided with a threaded hole, the threaded hole is communicated with the through hole, the third screw rod penetrates through the threaded hole and the through hole, the third screw rod and the threaded hole are mutually matched, the bottom of the third screw rod is fixedly mounted at the top of the CCD detection mechanism, the telescopic rod is fixedly mounted at two ends between the supporting plate and the CCD detection mechanism, and the rack is of an arc structure and is mounted at the middle part of one side outside the sliding notch in a fitting manner; when the driving mechanism drives the CCD detection mechanism to move to the rack position, the third gear is meshed with the rack, after the driving mechanism continues to move, the third gear rotates along the rack, and the third gear rotates to drive the third screw rod to move downwards, so that the CCD detection mechanism is driven to move towards the lithium battery.
Preferably, the two groups of pushing mechanisms are connected through a synchronous adjusting mechanism, and the synchronous adjusting mechanism comprises a driving motor, a first rotating rod, a first driving gear, a second rotating rod, a second driving gear and a transmission piece; the driving motor is arranged on one side of the mounting groove, the first rotating rod and the second rotating rod are both parallel to the rotating shaft, the first rotating rod and the second rotating rod are connected through a transmission piece, the first driving gear is sleeved on the first rotating rod, and the second driving gear is sleeved on the second rotating rod; when the driving motor drives the second rotating rod to rotate, the second driving gear rotates along with the second rotating rod, and the first rotating rod and the first driving gear are driven to synchronously rotate through the transmission effect of the transmission piece.
Preferably, the two groups of pushing mechanisms comprise pushing plates, the bottoms of the pushing plates are slidably arranged on the base, one group of pushing mechanisms comprise a first supporting block, a first gear and a first screw rod, the other group of pushing mechanisms comprise a second supporting block, a second gear and a second screw rod, the first supporting block and the second supporting block are respectively fixed on two sides of the top of the base, the first gear is rotatably arranged on one side of the first supporting block, the second gear is rotatably arranged on one side of the second supporting block, the first gear and the first driving gear are mutually meshed, the second gear and the second driving gear are mutually meshed, and the two pushing plates are respectively fixedly connected with one ends adjacent to the first screw rod and the second screw rod.
Compared with the prior art, the beneficial effect of this application lies in:
(1) Through being provided with CCD detection mechanism, pushing equipment, actuating mechanism and tilting mechanism, push lithium cell into the detection box by the pushing equipment in, carry out the rosin joint detection to the positive welding face of lithium cell earlier by CCD detection mechanism, it is 90 degrees to overturn by tilting mechanism drive lithium cell, it removes to drive CCD detection mechanism by actuating mechanism, make its detection head towards the lithium cell after the upset, and carry out the rosin joint detection to the anti-welding face of lithium cell, the comprehensiveness of detection has been improved, in addition, the testing process need not manual intervention, the detection simple operation.
(2) Through setting up two sets of pushing equipment, two sets of pushing equipment synchronous operation can be with the lithium cell release that detects the completion, with the lithium cell push-in detection box that waits to detect, in the lithium cell production testing process in a large number, show the efficiency that has improved the detection.
Drawings
Fig. 1 is a schematic diagram of the overall structure of the present invention.
Fig. 2 is a schematic view of the back end structure of the present invention.
Fig. 3 is a schematic view of a synchronous adjusting mechanism according to the present invention.
FIG. 4 is a schematic view of the flip mechanism of the present invention.
FIG. 5 is a schematic view showing the internal structure of the detection box according to the present invention.
Fig. 6 is a schematic diagram of a linkage structure according to the present invention.
Fig. 7 is a state diagram of the positive welding surface of the lithium battery A entering the detection station in the invention.
Fig. 8 is a view showing a state in which the CCD detecting mechanism contacts with the toothed plate in the present invention.
FIG. 9 is a state diagram showing the CCD detection mechanism of the present invention driving the toothed plate to descend by half.
Fig. 10 is a state diagram of the reverse welding surface of the lithium battery a entering the detection station in the invention.
Fig. 11 is a reset state diagram of the CCD detecting mechanism of the present invention.
Fig. 12 is a state diagram of the positive welding surface of the lithium battery B entering the detection station.
Fig. 13 is a schematic view of the elastic sliding installation of the toothed plate in the present invention.
In the figure: 1. a base; 2. detecting a box body; 201. a cover plate; 202. a baffle; 3. a push plate; 301. a first support block; 302. a first gear; 303. a first screw rod; 304. a second support block; 305. a second gear; 306. a second screw rod; 4. a driving motor; 401. a first rotating lever; 402. a first drive gear; 403. a second rotating lever; 404. a second drive gear; 405. a belt pulley; 406. a drive belt; 407. a mounting plate; 5. a mounting groove; 6. a chute; 7. a supporting plate; 8. a toothed plate; 801. a slide block; 802. a return spring; 9. a CCD detection mechanism; 10. a support plate; 11. a third gear; 1101. a third screw rod; 1102. a telescopic rod; 1103. a rack; 12. an electric guide rail; 13. a first linkage rod; 1301. a fourth gear; 1302. a first bevel gear; 14. a second linkage rod; 1401. a second bevel gear; 1402. and a third bevel gear.
Detailed Description
The present application will be further described with reference to the specific embodiments, and it should be noted that, on the premise of no conflict, new embodiments may be formed by any combination of the embodiments or technical features described below.
In the description of the present application, it should be noted that, for the azimuth terms such as terms "center", "lateral", "longitudinal", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., the azimuth and positional relationships are based on the azimuth or positional relationships shown in the drawings, it is merely for convenience of describing the present application and simplifying the description, and it is not to be construed as limiting the specific protection scope of the present application that the device or element referred to must have a specific azimuth configuration and operation, as indicated or implied.
It should be noted that the terms "first," "second," and the like in the description and in the claims of the present application are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order.
In one preferred embodiment of the present application, as shown in fig. 1 to 13, a virtual welding detection device for lithium battery processing includes a base 1, a detection box 2, a pushing mechanism, a driving mechanism and a turnover mechanism; the detection box body 2 is arranged at the central position of the top of the base 1, the CCD detection mechanism 9 is arranged on the inner wall of the top of the detection box body 2 and used for carrying out cold joint detection on the lithium battery, the CCD detection mechanism 9 in the embodiment consists of a CCD detection camera and a cross screw sliding table base, the cross screw sliding table base can drive the CCD detection camera to move back and forth and left and right, the photographing range is improved, the detection accuracy is further improved, and the CCD detection camera can transmit detection data to a CCD detector host through signals; the pushing mechanism is provided with two groups, which are respectively arranged at two sides of the top of the base 1, the pushing mechanism positioned at one side of the top of the base 1 is used for pushing the lithium battery to be detected into the detection box 2, and the pushing mechanism positioned at the other side of the top of the base 1 is used for pushing the detected lithium battery out of the detection box 2; the driving mechanism is arranged at one end of the inner wall of the detection box body 2 and is used for driving the CCD detection mechanism 9 to move; the turnover mechanism is arranged at the center of the top of the base 1 and is used for driving the lithium battery to turn over in the detection process; the driving mechanism drives the turnover mechanism to rotate through the linkage structure;
it can be understood that in the initial state, the CCD detection mechanism 9 is positioned at the top center of the detection box 2, and both groups of pushing mechanisms are positioned in the contracted state, and the positive welding surface of the lithium battery to be detected is placed at one of the pushing mechanisms upwards; in the second state, one of the pushing mechanisms pushes the lithium battery to be detected into the detection box body 2, the CCD detection mechanism 9 detects the positive welding surface of the lithium battery, and the pushing mechanism resets; in the third state, the CCD detection mechanism 9 is driven by the driving mechanism to move until the CCD detection mechanism moves to one end position of the detection box body 2, and the CCD detection mechanism 9 detects the direction of the head level towards the lithium battery; meanwhile, the driving mechanism drives the turnover mechanism to rotate through the linkage structure, the turnover mechanism drives the lithium battery to rotate ninety degrees, and the CCD detection mechanism 9 detects the negative welding surface of the lithium battery to finish all detection, and the driving mechanism resets; and in a fourth state, placing a lithium battery to be detected at one of the pushing mechanisms, pushing the lithium battery to be detected into the detection box body 2 by one of the pushing mechanisms, and pushing the lithium battery after detection by the other pushing mechanism.
In this embodiment, the both sides of detecting box 2 all are provided with apron 201, and the dismantlement through apron 201 is convenient overhauls detecting box 2 inside, and the transport mouth has all been seted up to the both ends bottom of apron 201, makes things convenient for the business turn over of lithium cell and pushing equipment.
Wherein, the one end top of detecting box 2 is the arc structure, and the radian angle is ninety degrees, and actuating mechanism drives CCD detection mechanism 9 and removes along the cambered surface, until remove to the one end position that detects box 2, the horizontal lithium cell towards the detection in-process after the rotatory ninety degrees of CCD detection mechanism 9 this moment.
It can be appreciated that the motion track of the CCD detection mechanism 9 is an arc line in the process of moving from the top of the detection box 2 to one end of the detection box 2, and when the CCD detection mechanism moves to one end of the detection box 2, the detection head of the CCD detection mechanism horizontally faces the lithium battery, so that the subsequent and more comprehensive detection of the lithium battery is facilitated.
In this embodiment, as shown in fig. 1-5, a sliding slot is formed at the top of one end of the detection box 2, and a baffle 202 is disposed outside the sliding slot to protect the outside of the sliding slot from exposing the components inside the sliding slot, and the driving mechanism includes an electric guide rail 12 mounted on both sides of the sliding slot and a support plate 10 slidably mounted on the electric guide rail 12; the electric guide rail 12 drives the supporting plate 10 to move in the sliding notch, in an initial state, the CCD detection mechanism 9 is positioned on the inner wall of the top of the detection box body 2, the detection head of the CCD detection mechanism 9 is vertically downward, after the electric guide rail 12 drives the supporting plate 10 to move to the inner wall of one end of the detection box body 2, the turnover mechanism drives the lithium battery to turn over ninety degrees, the CCD detection mechanism 9 also rotates ninety degrees, and the detection head of the CCD detection mechanism 9 horizontally faces the negative welding surface of the lithium battery.
It can be understood that the positive welding surface of the lithium battery is sent upwards into the detection box body 2, at this moment, the CCD detection mechanism 9 is located right above the lithium battery to detect the positive welding surface of the lithium battery, then the electric guide rail 12 drives the support plate 10 and the CCD detection mechanism 9 to move until the detection head of the CCD detection mechanism 9 faces the direction of the lithium battery, at this moment, the lithium battery also rotates ninety degrees along with the turnover mechanism, the detection head of the CCD detection mechanism 9 just faces the negative welding surface of the lithium battery to detect the negative welding surface of the lithium battery, the comprehensiveness of detecting the lithium battery is improved, the process of detecting after the turnover is not needed to be taken out manually, the operation is more convenient and smooth, and the manpower is saved.
In this embodiment, as shown in fig. 1-5, a mounting opening is formed in the central position of the top of the base 1, the turnover mechanism includes a rotating shaft and four supporting plates 7, the rotating shaft is rotatably mounted on inner walls of two ends of the mounting opening, the four supporting plates 7 are annularly arranged on the rotating shaft, and the supporting plates 7 are in a structure; in the initial state, the pushing mechanism pushes the lithium battery to one of the supporting plates 7, after the virtual welding detection of the positive welding surface at the top of the lithium battery is completed, the driving mechanism drives the rotating shaft to rotate ninety degrees through the linkage structure, at the moment, the supporting plate 7 drives the lithium battery to rotate ninety degrees, so that the negative welding surface of the lithium battery is exposed in the horizontal direction, and the negative welding surface of the lithium battery is detected by the CCD detection mechanism 9.
It can be appreciated that the lithium battery is turned over by using the four supporting plates 7 distributed in the circumferential array, so that the turning angle of the lithium battery is ninety degrees each time, and the detection of the anti-welding surface of the lithium battery by the CCD detection mechanism is not blocked by the design.
In this embodiment, as shown in fig. 5, 6 and 13, a first through hole is formed at the bottom of the sliding notch, a second through hole is formed on the base 1, the first through hole and the second through hole are communicated, a mounting groove 5 is formed at the bottom of the base 1, and the linkage structure comprises a toothed plate 8, a first linkage rod 13 and a second linkage rod 14; the toothed plate 8 is vertically and elastically slidably arranged in the second through hole, grooves are formed in two sides of the toothed plate 8, sliding blocks 801 are fixedly arranged on two sides of the second through hole, the two sliding blocks 801 are respectively and slidably arranged in the two grooves, and a reset spring 802 is fixedly arranged between the tops of the sliding blocks 801 and the tops of the grooves; the first linkage rod 13 is arranged parallel to the rotating shaft, the middle part of the first linkage rod 13 is connected with a fourth gear 1301 through a one-way bearing, and the fourth gear 1301 is meshed with the toothed plate 8; the second linkage rod 14 is arranged perpendicular to the rotating shaft, and two ends of the second linkage rod 14 are respectively connected with the first linkage rod 13 and the rotating shaft through bevel gear pieces; in this embodiment, the bevel gear member is two mutually meshed bevel gears, wherein the mutually meshed bevel gears are fixedly installed at the adjacent ends of the second linkage rod 14 and the first linkage rod 13, the third bevel gear 1402 is arranged at one end of the second linkage rod 14, the first bevel gear 1302 is arranged at one end of the first linkage rod 13, the mutually meshed bevel gears are fixedly installed at the adjacent ends of the second linkage rod 14 and the rotating shaft, and the second bevel gear 1401 is arranged at the other end of the second linkage rod 14.
It can be understood that when the supporting plate 10 moves downwards, it will prop against the top of the toothed plate 8 and drive the toothed plate 8 to descend, the toothed plate 8 drives the fourth gear 1301 to rotate, and then drives the first linkage rod 13 to rotate, and the rotation shaft is driven to rotate ninety degrees through linkage rotation among the first linkage rod 13, the second linkage rod 14 and the rotation shaft; when the support plate 10 moves upwards in a resetting manner, the toothed plate 8 moves upwards in a resetting manner under the action of the sliding elastic connection, and at the moment, the fourth gear 1301 is idle under the action of the one-way bearing and does not drive the first linkage rod 13 to rotate; therefore, only when the CCD detection mechanism 9 moves downwards, the turnover mechanism can turn over, so that the turnover mechanism cannot rotate in the ascending and resetting process of the CCD detection mechanism 9, and the pushing mechanism can push in and push out the lithium battery in the time period, so that mutual interference between the turnover mechanism and the pushing mechanism is avoided, and the smoothness of device operation is improved.
In this embodiment, as shown in fig. 1-5, a telescopic mechanism is disposed between the CCD detection mechanism 9 and the driving mechanism, so as to drive the CCD detection mechanism 9 to move towards the lithium battery.
It can be understood that when the CCD detection mechanism 9 moves to one end of the detection box 2, after the turnover mechanism drives the lithium battery to turn over, the distance between the CCD detection mechanism 9 and the lithium battery can be increased, and the CCD detection mechanism can be close to the lithium battery through the adjustment of the telescopic mechanism, so that the detection accuracy is improved.
In this embodiment, the telescopic mechanism includes a third gear 11, a third screw 1101, a telescopic rod 1102, and a rack 1103; the through-hole has been seted up at the top central authorities of backup pad 10, third gear 11 rotates to be installed in the bottom of backup pad 10, the screw hole has been seted up at the bottom central authorities of third gear 11, and screw hole and through-hole intercommunication set up, third lead screw 1101 passes screw hole and through-hole, third lead screw 1101 and screw hole mutually support and set up, the bottom fixed mounting of third lead screw 1101 is in CCD detection mechanism 9 top, telescopic link 1102 fixed mounting is in the both ends position between backup pad 10 and the CCD detection mechanism 9, rack 1103 is the arc structure and laminating installs in the outside one side middle part of slip notch.
It can be understood that when the driving mechanism drives the CCD detecting mechanism 9 to move to the rack 1103, the third gear 11 is meshed with the rack 1103, and after the driving mechanism continues to move, the third gear 11 rotates along the rack 1103, and the rotating third gear 11 drives the third screw 1101 to move downward, so as to drive the CCD detecting mechanism 9 to move towards the lithium battery.
In this embodiment, as shown in fig. 1 to 7, two groups of pushing mechanisms are connected through a synchronous adjusting mechanism, and the synchronous adjusting mechanism includes a driving motor 4, a first rotating rod 401, a first driving gear 402, a second rotating rod 403, a second driving gear 404 and a transmission member; the driving motor 4 is installed on one side of the installation groove 5, wherein a mounting plate 407 is fixedly arranged on one side of the installation groove 5, the driving motor 4 is fixed on the mounting plate 407, the first rotating rod 401 and the second rotating rod 403 are both parallel to the rotating shaft, two rotating holes are formed on one side of the mounting plate 407, the first rotating rod 401 and the second rotating rod 403 respectively penetrate through the two rotating holes and are rotatably installed between the two rotating holes, the first rotating rod 401 and the second rotating rod 403 are connected through a transmission piece, the first driving gear 402 is sleeved on the first rotating rod 401, and the second driving gear 404 is sleeved on the second rotating rod 403; when the driving motor 4 drives the second rotating rod 403 to rotate, the second driving gear 404 rotates along with the second rotating rod, and the first rotating rod 401 and the first driving gear 402 are driven to synchronously rotate through the transmission effect of the transmission piece; the transmission member may specifically be a pulley 405 sleeved on the first rotating rod 401 and the second rotating rod 403, and a same transmission belt 406 sleeved between the two pulleys 405, or may be a sprocket sleeved on the first rotating rod 401 and the second rotating rod 403, and a same transmission chain meshed between the two sprockets.
In this embodiment, as shown in fig. 1-7, two sets of pushing mechanisms each include a pushing plate 3, the bottom of the pushing plate 3 is slidably disposed on the base 1, one set of pushing mechanisms includes a first supporting block 301, a first gear 302 and a first screw rod 303, the other set of pushing mechanisms includes a second supporting block 304, a second gear 305 and a second screw rod 306, the first supporting block 301 and the second supporting block 304 are respectively fixed on two sides of the top of the base 1, the first gear 302 is rotatably mounted on one side of the first supporting block 301, the second gear 305 is rotatably mounted on one side of the second supporting block 304, the first gear 302 and the first driving gear 402 are mutually meshed, the second gear 305 and the second driving gear 404 are mutually meshed, and the two pushing plates 3 are respectively fixedly connected with one ends adjacent to the first screw rod 303 and the second screw rod 306.
It can be understood that when the driving motor 4 drives the first driving gear 402 and the second driving gear 404 to rotate synchronously, the first gear 302 and the second gear 305 also rotate synchronously, so that when the detected lithium battery is pushed out of the detection box 2, another lithium battery to be detected can be pushed into the detection box 2 for detection, and another lithium battery to be detected does not need to be put into the lithium battery to be detected after the detected lithium battery is completely pushed out.
In addition, two parallel arrangement's spout 6 have been seted up at base 1 top, and two spouts 6 are the route that the entering of lithium cell detected in the box 2 and come out in the box 2 from detecting respectively, can remove spacingly by spout 6 to the lithium cell, have reduced the risk that the lithium cell emptyd.
In the using process of the device, firstly, the positive welding surface of the lithium battery A is put into one sliding groove 6 upwards, the driving motor 4 drives the second rotating rod 403 and the first rotating rod 401 to rotate, and then drives the first gear 302 and the second gear 305 to rotate, so as to drive the first lead screw 303 and the second lead screw 306 to approach to one side of the detection box 2, one push plate 3 pushes the lithium battery A into the detection box 2, then the CCD detection mechanism 9 detects the positive welding surface of the lithium battery A, in the process, the driving motor 4 drives the two push plates 3 to reset, the detection result is judged by the CCD detector host, when a problem exists, the CCD detector host gives out error reporting signals, then, the electric guide rail 12 drives the CCD detection mechanism 9 to move downwards until the CCD detection mechanism moves to the toothed plate 8, and drives the toothed plate 8 to descend, the toothed plate 8 drives the fourth gear 1301 to rotate so as to drive the first linkage rod 13 to rotate, the rotating shaft is driven to rotate ninety degrees through linkage rotation among the first linkage rod 13, the second linkage rod 14 and the rotating shaft, at the moment, the supporting plate 7 drives the lithium battery to rotate ninety degrees to enable the negative welding surface of the lithium battery A to be exposed in the horizontal direction, the CCD detection mechanism 9 detects the negative welding surface of the lithium battery A, then the electric guide rail 12 drives the CCD detection mechanism 9 to reset, the lithium battery B is placed in the feeding chute 6, the driving motor 4 drives the two pushing plates 3 to move, the lithium battery A is pushed out of the detection box 2, the lithium battery B is pushed into the detection box 2, at the moment, the fourth gear 1301 is idle under the action of the unidirectional bearing, the first linkage rod 13 is not driven to rotate, and the turnover mechanism cannot rotate, thus, the efficient cold joint detection of the lithium battery can be completed by repeated operation.
The foregoing has outlined the basic principles, main features and advantages of the present application. It will be appreciated by persons skilled in the art that the present application is not limited to the embodiments described above, and that the embodiments and descriptions described herein are merely illustrative of the principles of the present application, and that various changes and modifications may be made therein without departing from the spirit and scope of the application, which is defined by the appended claims. The scope of protection of the present application is defined by the appended claims and equivalents thereof.
Claims (9)
1. The utility model provides a lithium cell processing is with rosin joint check out test set which characterized in that includes:
a base (1);
a detection box (2); the detection box body (2) is arranged at the central position of the top of the base (1), and a CCD detection mechanism (9) is arranged on the inner wall of the top of the detection box body (2) and used for carrying out cold joint detection on the lithium battery;
a pushing mechanism; the pushing mechanism is provided with two groups, is respectively arranged at two sides of the top of the base (1), is positioned at one side of the top of the base (1) and is used for pushing the lithium battery to be detected into the detection box (2), and is positioned at the other side of the top of the base (1) and is used for pushing the detected lithium battery out of the detection box (2);
a driving mechanism; the driving mechanism is arranged at one end of the inner wall of the detection box body (2) and is used for driving the CCD detection mechanism (9) to move; and
a turnover mechanism; the turnover mechanism is arranged at the center of the top of the base (1) and is used for driving the lithium battery to turn over in the detection process;
the driving mechanism drives the turnover mechanism to rotate through the linkage structure;
in an initial state, the CCD detection mechanism (9) is positioned at the center of the top of the detection box body (2), two groups of pushing mechanisms are positioned in a contracted state, and the positive welding surface of the lithium battery to be detected is placed at one of the pushing mechanisms upwards;
in the second state, one of the pushing mechanisms pushes the lithium battery to be detected into the detection box body (2), the CCD detection mechanism (9) detects the positive welding surface of the lithium battery, and the pushing mechanism is reset again;
in a third state, the CCD detection mechanism (9) is driven by the driving mechanism to move until the CCD detection mechanism moves to one end of the detection box body (2), and the CCD detection mechanism (9) detects the direction of the horizontal head towards the lithium battery; meanwhile, the driving mechanism drives the turnover mechanism to rotate through the linkage structure, the turnover mechanism drives the lithium battery to rotate ninety degrees, the CCD detection mechanism (9) detects the negative welding surface of the lithium battery, all the detection is completed, and the driving mechanism resets;
and in a fourth state, a lithium battery to be detected is placed at one of the pushing mechanisms, the lithium battery to be detected is pushed into the detection box body (2) by one of the pushing mechanisms, and the detected lithium battery is pushed out by the other pushing mechanism.
2. The cold joint detection device for lithium battery processing as claimed in claim 1, wherein: the top of one end of the detection box body (2) is of an arc-shaped structure, the arc angle is ninety degrees, the driving mechanism drives the CCD detection mechanism (9) to move along the arc surface until the CCD detection mechanism moves to the position of one end of the detection box body (2), and at the moment, the CCD detection mechanism (9) rotates ninety degrees and then horizontally faces towards the lithium battery in the detection process.
3. The cold joint detection device for lithium battery processing as claimed in claim 2, wherein: the top of one end of the detection box body (2) is provided with a sliding notch, and the driving mechanism comprises electric guide rails (12) arranged on two sides of the sliding notch and a supporting plate (10) arranged on the electric guide rails (12) in a sliding manner;
the electric guide rail (12) drives the supporting plate (10) to move in the sliding notch, in an initial state, the CCD detection mechanism (9) is located on the inner wall of the top of the detection box body (2), the detection head of the CCD detection mechanism (9) faces downwards vertically, after the electric guide rail (12) drives the supporting plate (10) to move to the inner wall of one end of the detection box body (2), the turnover mechanism drives the lithium battery to turn over ninety degrees, the CCD detection mechanism (9) also rotates ninety degrees, and the detection head of the CCD detection mechanism (9) faces towards the negative welding surface of the lithium battery horizontally.
4. The cold joint detection device for lithium battery processing as claimed in claim 3, wherein: the turnover mechanism comprises a rotating shaft and four supporting plates (7), wherein the rotating shaft is rotatably installed on the inner walls of two ends of the installation opening, the four supporting plates (7) are annularly arranged on the rotating shaft in an array manner, and the supporting plates (7) are of a structure;
in an initial state, the pushing mechanism pushes the lithium battery to one of the supporting plates (7), after the cold joint detection of the positive welding surface at the top of the lithium battery is completed, the driving mechanism drives the rotating shaft to rotate ninety degrees through the linkage structure, at the moment, the supporting plate (7) drives the lithium battery to rotate ninety degrees, so that the negative welding surface of the lithium battery is exposed in the horizontal direction, and the CCD detection mechanism (9) detects the negative welding surface of the lithium battery.
5. The cold joint detection device for lithium battery processing as claimed in claim 4, wherein: the utility model discloses a sliding groove, including base (1) and sliding groove, the opening is first has been seted up to the bottom of sliding groove, opening second has been seted up on base (1), opening first with opening second intercommunication sets up, mounting groove (5) have been seted up to the bottom of base (1), linkage structure includes:
a toothed plate (8); the toothed plate (8) is vertically and elastically installed in the second through hole in a sliding manner;
a first linkage rod (13); the first linkage rod (13) is parallel to the rotating shaft, a fourth gear (1301) is connected to the middle of the first linkage rod (13) through a one-way bearing, and the fourth gear (1301) and the toothed plate (8) are meshed with each other; and
a second linkage rod (14); the second linkage rod (14) is perpendicular to the rotating shaft, and two ends of the second linkage rod (14) are connected with the first linkage rod (13) and the rotating shaft through bevel gears respectively;
when the supporting plate (10) moves downwards, the supporting plate is propped against the top of the toothed plate (8) and drives the toothed plate (8) to descend, the toothed plate (8) drives the fourth gear (1301) to rotate, and then drives the first linkage rod (13) to rotate, and ninety degrees of rotation of the rotating shaft is driven through linkage rotation among the first linkage rod (13), the second linkage rod (14) and the rotating shaft;
when the supporting plate (10) is in upward resetting movement, the toothed plate (8) is in upward resetting movement under the action of sliding elastic connection, and at the moment, the fourth gear (1301) is in idle rotation under the action of a one-way bearing, and the first linkage rod (13) is not driven to rotate.
6. The cold joint detection device for lithium battery processing as claimed in claim 5, wherein: and a telescopic mechanism is arranged between the CCD detection mechanism (9) and the driving mechanism and used for driving the CCD detection mechanism (9) to move towards the lithium battery.
7. The cold joint detection device for lithium battery processing as claimed in claim 6, wherein: the telescopic mechanism comprises: a third gear (11), a third screw rod (1101), a telescopic rod (1102) and a rack (1103); the novel CCD detection device is characterized in that a through hole is formed in the center of the top of the supporting plate (10), the third gear (11) is rotatably mounted at the bottom of the supporting plate (10), a threaded hole is formed in the center of the bottom of the third gear (11), the threaded hole is communicated with the through hole, the third screw rod (1101) penetrates through the threaded hole and the through hole, the third screw rod (1101) and the threaded hole are mutually matched, the bottom of the third screw rod (1101) is fixedly mounted at the top of the CCD detection mechanism (9), the telescopic rod (1102) is fixedly mounted at two ends between the supporting plate (10) and the CCD detection mechanism (9), and the rack (1103) is of an arc structure and is mounted at the middle of one side outside the sliding notch in a fitting mode;
when the driving mechanism drives the CCD detection mechanism (9) to move to the position of the rack (1103), the third gear (11) is meshed with the rack (1103), after the driving mechanism continues to move, the third gear (11) can rotate along the rack (1103), and the third screw rod (1101) is driven by the rotating third gear (11) to move downwards, so that the CCD detection mechanism (9) is driven to move towards the lithium battery.
8. The cold joint detection device for lithium battery processing as claimed in claim 1, wherein: the two groups of pushing mechanisms are connected through a synchronous adjusting mechanism, and the synchronous adjusting mechanism comprises a driving motor (4), a first rotating rod (401), a first driving gear (402), a second rotating rod (403), a second driving gear (404) and a transmission piece; the driving motor (4) is arranged on one side of the mounting groove (5), the first rotating rod (401) and the second rotating rod (403) are arranged parallel to the rotating shaft, the first rotating rod (401) and the second rotating rod (403) are connected through a transmission piece, the first driving gear (402) is sleeved on the first rotating rod (401), and the second driving gear (404) is sleeved on the second rotating rod (403);
when the driving motor (4) drives the second rotating rod (403) to rotate, the second driving gear (404) rotates along with the second rotating rod, and the first rotating rod (401) and the first driving gear (402) are driven to synchronously rotate through the transmission effect of the transmission piece.
9. The cold joint detection device for lithium battery processing as claimed in claim 8, wherein: two sets of pushing equipment all include push pedal (3), push pedal (3) bottom slide set up in on base (1), one of them set of pushing equipment include first supporting shoe (301), first gear (302) and first lead screw (303), another set of pushing equipment include second supporting shoe (304), second gear (305) and second lead screw (306), first supporting shoe (301) with second supporting shoe (304) are fixed respectively in the top both sides of base (1), first gear (302) rotate install in one side of first supporting shoe (301), second gear (305) rotate install in one side of second supporting shoe (304), first gear (302) with first driving gear (402) intermeshing sets up, second gear (305) with second driving gear (404) intermeshing sets up, two push pedal (3) respectively with first lead screw (303) and adjacent fixed connection of second lead screw (306).
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| CN202410074976.7A CN117583772B (en) | 2024-01-18 | 2024-01-18 | Virtual welding detection equipment for lithium battery processing |
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