CN220880907U - Fool-proof device applied to cell group spot welding - Google Patents
Fool-proof device applied to cell group spot welding Download PDFInfo
- Publication number
- CN220880907U CN220880907U CN202322527997.3U CN202322527997U CN220880907U CN 220880907 U CN220880907 U CN 220880907U CN 202322527997 U CN202322527997 U CN 202322527997U CN 220880907 U CN220880907 U CN 220880907U
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- Prior art keywords
- battery cell
- carrier
- pcb board
- spot welding
- fool
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- 238000003466 welding Methods 0.000 title claims abstract description 27
- 239000000969 carrier Substances 0.000 claims abstract description 11
- 239000003550 marker Substances 0.000 claims abstract description 7
- 230000006978 adaptation Effects 0.000 claims description 7
- 239000012790 adhesive layer Substances 0.000 claims description 3
- 239000006260 foam Substances 0.000 claims description 3
- 239000010410 layer Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims 8
- 238000013461 design Methods 0.000 abstract description 4
- 238000012797 qualification Methods 0.000 abstract description 4
- 210000004027 cell Anatomy 0.000 description 75
- YTBRNEUEFCNVHC-UHFFFAOYSA-N 4,4'-dichlorobiphenyl Chemical compound C1=CC(Cl)=CC=C1C1=CC=C(Cl)C=C1 YTBRNEUEFCNVHC-UHFFFAOYSA-N 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000012546 transfer Methods 0.000 description 4
- 210000003850 cellular structure Anatomy 0.000 description 2
- 238000005553 drilling Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 101100236764 Caenorhabditis elegans mcu-1 gene Proteins 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- Battery Mounting, Suspending (AREA)
Abstract
The utility model discloses a foolproof device which is reasonable in design and can improve the qualification rate of products and is applied to spot welding of a battery cell group. The utility model comprises a bracket, wherein a carrier groove and a battery cell group carrier matched with the carrier groove are arranged on the bracket, battery cell carriers are symmetrically arranged in the battery cell group carrier, a PCB (printed circuit board) carrier is arranged between the two battery cell carriers, the carrier groove and the battery cell carrier are both provided with notches, a battery cell is placed in the battery cell carrier, the front of the battery cell is provided with a marker, a recognizer is arranged above one battery cell carrier, a recognizer is also arranged below the notch of the other battery cell carrier, the recognizer is used for recognizing the marker, a lifter is arranged below one battery cell carrier, the lifter penetrates through the notch, the lifter is higher than the bottom height of the battery cell carrier in the initial state, an MCU (micro control unit) is further arranged on the bracket, and the recognizer and the lifter are electrically connected with the MCU. The utility model is applied to the technical field of battery cell welding equipment.
Description
Technical Field
The utility model relates to a foolproof device, in particular to a foolproof device applied to spot welding of a battery cell group.
Background
The battery cell group needs to spot-weld two battery cells on the PCB board respectively in the production process, but in the spot-welding process, the positive and negative sides of the battery cells are reversely put, so that the positive and negative lugs of the battery cells and the positive and negative adapter plates of the PCB board are in spot-welding error, the short circuit of the final battery cell group is caused, and the qualification rate of products is influenced.
The prior patent number is CN202120847546.6, and the patent document with the patent name of 'a battery cell component of a power battery, the power battery and a welding tool' discloses the battery cell component of the power battery, the power battery and the welding tool, so as to solve the problem that the positive electrode transfer sheet and the negative electrode transfer sheet in the prior art are easy to be misplaced when being connected with the battery cell; however, the technical scheme is that a first fool-proof hole and a second fool-proof hole are respectively processed on a positive electrode transfer sheet and a negative electrode transfer sheet on a PCB, and a first locating pin clamp and a second locating pin clamp which are respectively connected with the first fool-proof hole and the second fool-proof hole are also required to be arranged on a part to be installed; this technical scheme is even can effectively avoid the welding to take place dislocation and thereby appear the problem of short circuit, but still need carry out the drilling after PCB board production, and first foolproof hole and the foolproof hole of second are prevented to the drilling respectively to and make first locating pin card and second locating pin card, this has all increased manufacturing cost and has reduced production efficiency.
Disclosure of utility model
The utility model aims to solve the technical problem of overcoming the defects of the prior art and providing the foolproof device which is reasonable in design and improves the qualification rate of products and is applied to the spot welding of the battery cell group.
The technical scheme adopted by the utility model is as follows: the utility model comprises a support, wherein a carrying groove and a battery cell group carrier matched with the carrying groove are arranged on the support, battery cell carriers are symmetrically arranged in the battery cell group carrier, a PCB (printed circuit board) carrier is arranged between the two battery cell carriers, gaps are formed in the carrying groove and the battery cell carrier, a battery cell is placed in the battery cell carrier, a marker is arranged on the front surface of the battery cell, a recognizer is arranged above one battery cell carrier, a recognizer is also arranged below the gap of the other battery cell carrier, the recognizer is used for recognizing the marker, a lifter is arranged below one battery cell carrier, the lifter penetrates through the gap, the bottom height of the battery cell carrier in the initial state of the lifter is higher than that of the battery cell carrier, and an MCU (micro control unit) is also arranged on the support, and the recognizer and the lifter are electrically connected with the MCU.
Further, the identifier is a two-dimensional code of the battery cell, and the identifier is a code scanner or a CCD camera.
Further, the front end of the support is provided with a control board, the control board is provided with two indicator lamps, the indicator lamps are electrically connected with the MCU controller, when one of the identifiers recognizes that the corresponding indicator lamp can illuminate green light, and conversely, illuminate red light.
Further, the liftout ware includes liftout cylinder, liftout pole and kicking block, the liftout cylinder install in the lower extreme of support, the one end of liftout pole with the liftout cylinder is connected, the other end of liftout pole with the kicking block is connected, the kicking block with breach looks adaptation, during initial state, the top surface height of kicking block is higher than the bottom height of electric core carrier.
Further, a foam layer or a soft adhesive layer is arranged on the top block.
Further, the PCB board has been placed to the adaptation in the PCB board carrier, be provided with the locating hole on the diagonal of PCB board, the back middle part of PCB board is provided with the connector, be provided with on the diagonal of PCB board carrier with the reference column of locating hole looks adaptation, the middle part of PCB board carrier be provided with the dodge the groove of connector looks adaptation, the electric core place in when the electric core carrier is interior, the positive and negative utmost point ear of electric core all falls in the spot welding position of PCB board.
Further, an electrical cabinet is arranged in front of the support, and the MCU controller is electrically connected with the electrical cabinet.
The beneficial effects of the utility model are as follows: the identifier is adopted to identify the identifier on the front face of the battery cell, so that the battery cell placement face is determined, only when the two identifiers identify the identifier on the front face of the two battery cells, the ejector can descend to enable one battery cell to fall into the battery cell carrier, and spot welding can be performed, so that the positive and negative lugs of the battery cell can accurately fall at the spot welding position of the PCB through the ingenious and reasonable design structure, the situation that the positive and negative lugs of the battery cell are reversely connected to form a short circuit due to incorrect placement orientation is avoided, and the qualification rate of products is effectively improved.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is an exploded view of the present utility model;
FIG. 3 is a front view of the present utility model;
Fig. 4 is an enlarged schematic view of the portion a in fig. 2.
Detailed Description
As shown in fig. 1 to 4, in this embodiment, the present utility model includes a support 1, a carrier 2 and a cell group carrier 3 adapted to the carrier 2 are disposed on the support 1, a cell carrier 4 is symmetrically disposed in the cell group carrier 3, a PCB board carrier 5 is disposed between the two cell carriers 4, gaps 6 are disposed in the carrier 2 and the cell carrier 4, a cell 7 is disposed in the cell carrier 4, a identifier 8 is disposed on the front surface of the cell 7, a identifier 9 is disposed above one of the cell carriers 4, an identifier 9 is also disposed below the gap 6 of the other cell carrier 4, a top feeder 10 is disposed below one of the cell carriers 4, the top feeder 10 passes through the gaps 6, in addition, in an initial state of the top feeder 10, a height higher than the bottom of the cell carrier 4 is provided, the cell carrier 7 is designed to be higher than the bottom of the cell carrier 4, and the top feeder 7 can be electrically connected to the MCU 4 in the MCU, but cannot be electrically connected to the PCB board carrier 7, and the top feeder 7 can not be electrically connected to the MCU 1.
In this embodiment, the identifier 8 is a two-dimensional code of the electric core, the identifier 9 is a code scanner or a CCD camera, and the code scanner or the CCD camera can both identify the two-dimensional code of the electric core, so as to determine the front placement position of the electric core 7.
In this embodiment, the front end of the bracket 1 is provided with a control board 11, the control board 11 is provided with two indicator lamps 12, the indicator lamps 12 are electrically connected with the MCU controller, and when one of the identifiers 9 recognizes that the corresponding indicator lamp 12 will illuminate a green light, and conversely illuminate a red light.
In this embodiment, the ejector 10 includes an ejector cylinder 13, an ejector rod and an ejector block 14, the ejector cylinder 13 is mounted at the lower end of the bracket 1, one end of the ejector rod is connected with the ejector cylinder 13, the other end of the ejector rod is connected with the ejector block 14, the ejector block 14 is matched with the notch 6, in an initial state, the top surface of the ejector block 14 is higher than the bottom of the battery cell carrier 4, the design can limit the battery cell 7 in the battery cell carrier 4, but cannot fall completely at the bottom of the battery cell carrier 4, and only after two identifiers 9 identify two-dimensional codes of the battery cell, the ejector cylinder 13 can start to drive the ejector block 14 to descend, so that the battery cell 7 falls completely in the battery cell carrier 4, and the battery cell 7 is partially placed in the battery cell carrier 4 at the beginning, so that the battery cell 7 can also fall on the limit plate of the battery cell 4 in a spot welding manner, and the positive and negative sides 15 of the battery cell can fall on the limit plate of the PCB.
In this embodiment, the top block 14 is provided with a foam layer or a soft adhesive layer, which is designed to avoid abrasion and collision with the appearance of the battery cell 7.
In this embodiment, the PCB 15 is placed in the PCB carrier 5, a positioning hole is formed in a diagonal of the PCB 15, a connector is disposed in a middle portion of a back of the PCB 15, a positioning column 16 adapted to the positioning hole is disposed in a diagonal of the PCB carrier 5, an avoiding groove 17 adapted to the connector is disposed in a middle portion of the PCB carrier 5, and when the battery cell 7 is placed in the battery cell carrier 4, both positive and negative lugs of the battery cell 7 fall on a spot welding position of the PCB 15.
In this embodiment, an electrical cabinet 18 is disposed in front of the bracket 1, and the MCU controller is electrically connected to the electrical cabinet 18.
In this embodiment, the working process of the present utility model is: 1. placing the PCB 15 in the PCB carrier 5; 2. one of the battery cells 7 is placed in the battery cell carrier 4, the two-dimension code of the battery cell needs to face downwards, after the identifier 9 identifies the two-dimension code of the battery cell, one of the indicator lamps 12 can light a green light, otherwise, if the two-dimension code of the battery cell is not identified, the red light is lighted, and the equipment cannot perform the next step; 3. when one of the indicator lamps 12 is lighted green, the second battery cell 2 is placed in the battery cell carrier 4, the battery cell two-dimensional code is required to be upwards, the other indicator lamp 12 is lighted green after the identifier 9 identifies the battery cell two-dimensional code, otherwise, if the battery cell two-dimensional code is not identified, the device is lighted red, the next step cannot be carried out, after the green light of the second indicator lamp 12 is lighted, the jacking cylinder 13 can drive the jacking block 14 to descend, the second battery cell 7 is positioned at the position of the PCB 15 on the PCB carrier 5, the initial state of the jacking block 14 is jacked, the battery cell 7 is placed on the jacking block 14, and thus, the positive and negative lugs of the battery cell are prevented from being contacted with the PCB 15; 4. after the second battery cell 7 is smoothly dropped in place, spot welding is performed manually or by adopting an automatic spot welding mechanism.
The utility model is applied to the technical field of battery cell welding equipment.
While the embodiments of this utility model have been described in terms of practical aspects, they are not to be construed as limiting the meaning of this utility model, and modifications to the embodiments and combinations with other aspects thereof will be apparent to those skilled in the art from this description.
Claims (7)
1. Be applied to foolproof device of electric core group spot welding, its characterized in that: the electric control device comprises a support (1), a carrier groove (2) and a battery cell group carrier (3) matched with the carrier groove (2) are arranged on the support (1), battery cell carriers (4) are symmetrically arranged in the battery cell group carrier (3), a PCB board carrier (5) is arranged between the battery cell carriers (4), the carrier groove (2) and the battery cell carriers (4) are all provided with notches (6), a battery cell (7) is arranged in the battery cell carriers (4), a marker (8) is arranged on the front face of the battery cell (7), an identifier (9) is arranged above one battery cell carrier (4), an identifier (9) is also arranged below the notches (6) of the other battery cell carrier (4), the identifier (9) is used for identifying the marker (8), a top feeder (10) is arranged below one battery cell carrier (4), the top feeder (10) penetrates through the top feeder (6), and the top feeder (10) is connected with the bottom of the MCU (4) in a height-average control mode.
2. The fool-proof device for cell pack spot welding according to claim 1, wherein: the identifier (8) is a two-dimensional code of the battery cell, and the identifier (9) is a code scanner or a CCD camera.
3. The fool-proof device for cell pack spot welding according to claim 2, wherein: the front end of support (1) is provided with control panel (11), control panel (11) are provided with two pilot lamps (12), pilot lamp (12) with MCU controller electric connection, when one of them identifier (9) discerns behind marker (8) pilot lamp (12) can light the green light, on the contrary then lights the red light.
4. The fool-proof device for cell pack spot welding according to claim 1, wherein: the material jacking device is characterized in that the material jacking device (10) comprises a material jacking cylinder (13), a material jacking rod and a jacking block (14), wherein the material jacking cylinder (13) is arranged at the lower end of the support (1), one end of the material jacking rod is connected with the material jacking cylinder (13), the other end of the material jacking rod is connected with the jacking block (14), the jacking block (14) is matched with the notch (6), and in an initial state, the top surface of the jacking block (14) is higher than the bottom of the battery cell carrier (4).
5. The fool-proof device for cell pack spot welding according to claim 4, wherein: foam layers or soft adhesive layers are arranged on the top blocks (14).
6. The fool-proof device for cell pack spot welding according to claim 1, wherein: the utility model discloses a PCB board, including PCB board carrier (5), PCB board carrier (5) and battery cell (7), PCB board (15) has been placed to the adaptation in PCB board carrier (5), be provided with the locating hole on the diagonal of PCB board (15), the back middle part of PCB board (15) is provided with on the diagonal of PCB board carrier (5) with locating post (16) of locating hole looks adaptation, the middle part of PCB board carrier (5) be provided with dodge groove (17) of connector looks adaptation, battery cell (7) place in battery cell carrier (4), positive and negative utmost point ear of battery cell (7) all fall in the spot welding position of PCB board (15).
7. The fool-proof device for cell pack spot welding according to claim 1, wherein: an electrical cabinet (18) is arranged in front of the support (1), and the MCU controller is electrically connected with the electrical cabinet (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322527997.3U CN220880907U (en) | 2023-09-18 | 2023-09-18 | Fool-proof device applied to cell group spot welding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322527997.3U CN220880907U (en) | 2023-09-18 | 2023-09-18 | Fool-proof device applied to cell group spot welding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220880907U true CN220880907U (en) | 2024-05-03 |
Family
ID=90844195
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322527997.3U Active CN220880907U (en) | 2023-09-18 | 2023-09-18 | Fool-proof device applied to cell group spot welding |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220880907U (en) |
-
2023
- 2023-09-18 CN CN202322527997.3U patent/CN220880907U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |