CN218472231U - Spot welding device for positive and negative electrode plates of battery cell - Google Patents
Spot welding device for positive and negative electrode plates of battery cell Download PDFInfo
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- CN218472231U CN218472231U CN202222142327.5U CN202222142327U CN218472231U CN 218472231 U CN218472231 U CN 218472231U CN 202222142327 U CN202222142327 U CN 202222142327U CN 218472231 U CN218472231 U CN 218472231U
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Abstract
The utility model provides a positive negative pole piece spot welding device of electricity core, it includes workstation and spot welder, still includes first carousel and second carousel, the rotatable setting of first carousel is on the workstation. According to the spot welding device for the positive and negative electrode plates of the battery core, the stations are converted by arranging the two rotatable turntables, so that the positive and negative electrode plates are respectively welded, the length of a production line is reduced, the positive and negative electrode plates can be welded on two sides of the battery core without turning the battery core, the production cost is reduced, and the welding efficiency is improved; by arranging different detection stations, empty welding and material waste caused by the fact that pole pieces or battery cells are not placed in feeding materials are avoided, production cost is saved, and processing quality is improved; through setting up the direct back of welding completion of charge-discharge detection subassembly and detecting, need not to carry out the detection operation to the electric core behind the welding pole piece alone, can prevent that pole piece rosin joint or empty welding produced bad electric core from getting into subsequent assembly production line.
Description
Technical Field
The utility model relates to an electricity core processing technology field especially relates to an electricity core positive and negative pole piece spot welding device.
Background
The battery cell generally refers to a single electrochemical cell containing a positive electrode and a negative electrode, the battery cell is generally not directly used alone, and the battery cell is different from a battery in that the battery cell contains a protection circuit and a shell, the battery can be directly used, the lithium ion secondary rechargeable battery generally comprises the battery cell and a protection circuit board, the protection circuit board removed from the rechargeable battery is the battery cell, the battery cell is an electric storage part in the rechargeable battery, and the quality of the battery cell directly determines the quality of the rechargeable battery.
At present, when welding pole pieces, a nickel-hydrogen cell of a button nickel-hydrogen rechargeable battery needs to adopt a longer production line to weld positive and negative pole pieces respectively, and when the welding operation of the positive and negative pole pieces is converted, special equipment is needed to turn over the cell and weld the pole pieces on the other side, so that the equipment acquisition cost is increased, and the welding efficiency of the cell pole pieces is influenced.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a positive negative pole piece spot welding device of electricity core, during pole piece welding operation, need not to carry on the turn-over of electricity core and can accomplish the welding operation of positive negative pole piece.
The technical scheme of the utility model is realized like this: the utility model provides a spot welding device for positive and negative pole pieces of an electric core, which comprises a workbench, a spot welding machine, a first turntable and a second turntable, wherein,
the first turntable is rotatably arranged on the workbench and is provided with an anode plate feeding station, a cell feeding station, an anode plate welding station and a transposition blanking station, and the transposition blanking station is used for transferring the cell welded with the anode plate;
the second turntable is rotatably arranged on the workbench and is provided with a transposition feeding station, a negative plate welding station and a blanking completion station, wherein the transposition feeding station is used for receiving the battery cell welded with the positive plate, and the blanking completion station is used for blanking the battery cell welded with the positive plate;
the quantity of spot welder is two, and sets up respectively in the outside of positive plate welding station and negative pole piece welding station, the spot welder is used for welding the pole piece to electric core.
On the basis of the above technical solution, preferably, the device further comprises two driving devices, wherein,
and the two driving devices are fixed on the workbench and are respectively used for driving the first turntable and the second turntable to rotate.
Further preferably, the driving device comprises a stepping motor and a speed reducer, wherein,
the stepping motor is fixed on the workbench;
the speed reducer is fixed on the workbench, the input end of the speed reducer is fixed with the output shaft of the stepping motor, and the output end of the speed reducer is in transmission connection with the first rotary table or the second rotary table.
On the basis of the technical scheme, preferably, the first rotary disc is provided with a positive plate detection station, and the second rotary disc is provided with a blanking detection station.
Further preferably, the system further comprises two laser detection assemblies, wherein,
and the two laser detection assemblies are fixed on the workbench, are respectively arranged at the outer sides of the positive plate detection station and the blanking detection station and are used for detecting the positive plate detection station and a positive plate or a battery cell on the blanking detection station.
On the basis of the above technical scheme, preferably, a first battery cell detection station is arranged on the first rotary table, and a second battery cell detection station is arranged on the second rotary table.
Further preferably, the battery pack further comprises two battery cell detection assemblies, wherein,
two electric core detection components, all fix on the workstation, and set up respectively in the outside of first electric core detection station and second electric core detection station for detect the electric core on first electric core detection station and the second electric core detection station.
On the basis of the technical scheme, preferably, a charge and discharge detection station is arranged on the second rotary table and used for carrying out charge and discharge detection on the battery cell after the pole piece is welded.
Further preferably, the charging and discharging detection device further comprises a charging and discharging detection assembly, wherein,
and the charge and discharge detection assembly is fixed on the workbench, is arranged outside the charge and discharge detection station and is used for carrying out charge and discharge detection on the battery cell after the pole piece is welded.
Further preferably, each station is provided with a tooling part for loading the pole piece and the battery cell.
The utility model discloses a positive negative pole piece spot welding device of electricity core has following beneficial effect for prior art:
(1) The two rotatable turntables are arranged for station conversion, so that the positive and negative electrode plates are respectively welded, the length of a production line is reduced, the positive and negative electrode plates can be welded on two sides of the battery cell without turning the battery cell, the production cost is reduced, and the welding efficiency is improved;
(2) By arranging different detection stations, empty welding and material waste caused by the fact that pole pieces or battery cells are not placed in feeding materials are avoided, production cost is saved, and processing quality is improved;
(3) Through setting up the direct detection that carries out behind the welding of charge-discharge detection subassembly, need not to carry out the detection operation to the electric core behind the welding pole piece alone, can prevent that pole piece rosin joint or empty welding from producing bad electric core and get into subsequent assembly production line.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a perspective view of the spot welding device for positive and negative electrode plates of an electrical core of the present invention;
FIG. 2 is a top view of the spot welding device for positive and negative electrode plates of an electrical core of the present invention;
fig. 3 is a perspective view of a second rotary table of the spot welding device for positive and negative electrode plates of an electric core of the utility model;
fig. 4 is a perspective view of a laser detection assembly of the spot welding device for positive and negative electrode plates of a battery cell of the present invention;
fig. 5 is a perspective view of the charging and discharging detection assembly of the spot welding device for positive and negative electrode plates of the battery core of the utility model;
fig. 6 is a perspective view of the transfer mechanism of the spot welding device for positive and negative electrode plates of the battery core.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work all belong to the protection scope of the present invention.
As shown in fig. 1-6, the utility model discloses a positive negative pole piece spot welding device of electricity core, it includes workstation 1 and spot welder 2, still includes first carousel 3 and second carousel 4.
The first rotary disc 3 is rotatably arranged on the workbench 1 and is provided with an anode plate feeding station 301, a cell feeding station 302, an anode plate welding station 303 and a transposition blanking station 304, after the anode plate is placed on the anode plate feeding station 301, the stations are switched through rotation of the first rotary disc 3, the anode plate is sent to the cell feeding station 302, the cell and the anode plate are placed on the anode plate, the cell and the anode plate are moved to the anode plate welding station 303 through rotation of the first rotary disc 3 again, welding operation of the anode plate and the cell is carried out, after welding is finished, the cell and the anode plate are switched to the transposition blanking station 304 through the first rotary disc 3 and are further transferred, and subsequent processing operation is carried out after station conversion.
The second rotary table 4 is rotatably arranged on the workbench 1 and is provided with a transposition feeding station 401, a negative plate feeding station 402, a negative plate welding station 403 and a blanking completion station 404, a positive plate and a battery cell which are transferred from the transposition feeding station 304 are conveyed to the transposition feeding station 401 and are switched to the negative plate feeding station 402 through the rotation of the second rotary table 4 to perform the feeding action of the negative plate, after the negative plate is placed on the battery cell, the second rotary table 4 is rotated and switched again to convey the workpiece to the negative plate welding station 403 to perform the welding operation of the negative plate, and after the welding is completed, the workpiece is conveyed to the blanking completion station 404 to perform blanking of the battery cell welded with the negative plate.
The quantity of spot welder 2 is two, and sets up respectively in positive plate welding station 303 and the outside of negative pole piece welding station 403, sets up spot welder 2 in the positive plate welding station 303 outside, can move to positive plate welding station 303 when positive plate and electric core, welds positive plate and electric core, and is same, and another spot welder 2 sets up in the negative pole piece welding station 403 outside, can move to negative pole piece welding station 403 when negative pole piece and electric core, welds negative pole piece and electric core.
As a preferred embodiment, the device further comprises two driving devices 5, and the two driving devices 5 are fixed on the working table 1 and are respectively used for driving the first rotating disc 3 and the second rotating disc 4 to rotate.
Specifically, as shown in fig. 3, the driving device 5 includes a stepping motor 51 and a speed reducer 52, the stepping motor 51 is fixed on the workbench 1, the speed reducer 52 is fixed on the workbench 1, an input end of the speed reducer is in transmission connection with an output shaft of the stepping motor 51, specifically, the speed reducer can be directly transmitted through a belt, an output end of the speed reducer 52 is in transmission connection with the first turntable 3 or the second turntable 4, specifically, the output end of the speed reducer 52 can be directly fixed with the first turntable 3 or the second turntable 4 for transmission, the stepping motor 51 is used for torque conversion in cooperation with the speed reducer 52, and a rotation angle of the first turntable 3 or the second turntable 4 is accurately controlled, so that accurate switching between stations is performed, and a model of the stepping motor 51 is not specifically limited, and may be HSTM110-1.8-S-201-4-8.0.
As a preferred embodiment, the first rotary disc 3 is provided with a positive plate detection station 305, the second rotary disc 4 is provided with a blanking detection station 405, the positive plate detection station 305 is the next station after the positive plate feeding station 301 is switched, and is used for detecting whether the positive plate is fed, and similarly, the second rotary disc 4 is provided with a blanking detection station 405 for detecting whether the charged core after the pole piece welding is fed.
In order to cooperate positive plate detection station 305 and unloading detection station 405 to detect the operation, still include two laser detection component 6, two laser detection component 6 are all fixed on workstation 1, and set up respectively in the outside of positive plate detection station 305 and unloading detection station 405, are used for detecting positive plate detection station 305 with positive plate or electric core on the unloading detection station 405.
Specifically, as shown in fig. 4, the laser detection assembly 6 includes a support 61, a laser emitting head 62 and a laser receiving tube 63, the support 61 is fixed to the worktable 1, the laser emitting head 62 and the laser receiving tube 63 are both fixed to the support 61, and the detection operation of feeding the positive electrode sheet or blanking the battery cell is performed through the laser emitting head 62 and the laser receiving tube 63.
As a preferred embodiment, a first battery cell detection station 306 is disposed on the first turntable 3, a second battery cell detection station 406 is disposed on the second turntable 4, and both the first battery cell detection station 306 and the second battery cell detection station 406 are configured to detect whether a battery cell is in place, so as to avoid that the battery cell is not in place.
In order to cooperate with the first battery cell detection station 306 and the second battery cell detection station 406 to perform in-place detection of the battery cell, the battery cell detection device further comprises two battery cell detection assemblies 7, wherein the two battery cell detection assemblies 7 are fixed on the workbench 1 and are respectively arranged at the outer sides of the first battery cell detection station 306 and the second battery cell detection station 406.
Specifically, as shown in fig. 2, the battery cell detection assembly 7 may directly select a proximity sensor, the sensing surface of the proximity sensor faces downward, and the proximity sensor is disposed above the first battery cell detection station 306 or the second battery cell detection station 406, so as to detect whether the battery cell is in place, where the proximity sensor may be of a type C-MPXSC-10-30S.
As a preferred embodiment, a charge and discharge detection station 407 is disposed on the second turntable 4, and the charge and discharge detection station 407 is configured to perform charge and discharge detection on the battery cell after welding the pole piece.
In order to detect the electric core after welding the electrode at the charge and discharge detection station 407, the detection device further comprises a charge and discharge detection assembly 8, wherein the charge and discharge detection assembly 8 is fixed on the workbench 1 and is arranged outside the charge and discharge detection station 407.
Specifically, as shown in fig. 5, the charge and discharge detection assembly 8 includes a fixing seat 81, two cylinders 82 and two charge and discharge contacts 83, the fixing seat 81 is fixed on the workbench 1 by bolts, the two cylinders 82 are fixed on the fixing seat 81, the movable ends of the two cylinders are opposite, the two charge and discharge contacts 83 are fixed on the movable ends of the two cylinders 82 respectively, the charge and discharge contacts 83 are pushed by the cylinders 82 to move, and are in contact with positive and negative pole pieces on the battery cell, so that charge and discharge detection is performed.
As a preferred embodiment, as shown in fig. 3, tooling parts 9 for loading pole pieces and battery cells are arranged on each station, the tooling parts 9 are welded to the first turntable 3 or the second turntable 4, and can limit and place the pole pieces and the battery cells, and the stations are switched by the tooling parts 9, the top of the tooling parts 9 is used for placing the battery cells and the pole pieces, a through hole is formed in the bottom, and the spot welding machine 2 can weld the positive pole pieces and the battery cells from the bottom through the through hole.
As shown in fig. 1 and fig. 6, in the present embodiment, the present invention further includes five transfer mechanisms 10, two of the transfer mechanisms 10 are disposed outside the first rotary table 3, two of the transfer mechanisms are disposed outside the second rotary table 4, the last transfer mechanism is disposed between the first rotary table 3 and the second rotary table 4, both of the transfer mechanisms 10 outside the first rotary table 3 are used for butting against the vibration table, and respectively place the positive electrode plate and the battery cell on the positive electrode plate loading station 301 and the battery cell loading station 302, two of the transfer mechanisms 10 outside the second rotary table 4 are respectively used for placing the negative electrode plate on the battery cell and taking down the battery cell after welding the electrode plate, the transfer mechanism 10 between the first rotary table 3 and the second rotary table 4 is used for sending the battery cell on the transposition unloading station 304 to the transposition loading station 401, specifically, the transfer mechanism 10 includes a mounting seat 101, a rodless cylinder 102, a grabbing cylinder 103 and a grabbing head 104, the mounting seat 101 is fixed to the mounting seat 1, the rodless cylinder 102 is fixed to a movable portion of the rodless cylinder 102, the movable portion 104 is disposed on the movable portion of the mrse cylinder 102, and the grabbing head 104 is capable of picking up the type 20-20, where the picking-X type of the battery cell picking up the pickup cylinder 20.
It should be noted that sixteen stations are adopted in this embodiment, that is, eight stations are respectively arranged on the first rotary table 3 and the second rotary table 4, which facilitates synchronous rotation angle control of the two driving devices 5, and other vacant stations can be used for adding other functions.
The working principle of the utility model is that: the positive plate is placed on a positive plate feeding station 301 of a first rotary plate 3, the first rotary plate 3 rotates to enable the positive plate to be switched to a battery cell feeding station 302, the battery cell is placed on the positive plate at the moment, the battery cell and the positive plate are driven to be switched to a positive plate welding station 303 through the first rotary plate 3, the positive plate and the battery cell are welded through a spot welding machine 2, the welded battery cell moves to a transposition blanking station 304 and is transferred to a transposition feeding station 401, the battery cell and the positive plate are conveyed to a negative plate feeding station 402 through rotation of a second rotary plate 4, the negative plate is placed on the battery cell and is switched to a negative plate welding station 403, the negative plate is welded to the battery cell through the spot welding machine 2, and finally the battery cell with the welded pole plate is rotated to a blanking station 404 to carry out blanking.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and should not be construed as limiting the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a positive negative pole piece spot welding device of electricity core, its includes workstation (1) and spot welder (2), its characterized in that: also comprises a first rotating disk (3) and a second rotating disk (4), wherein,
the first rotary disc (3) is rotatably arranged on the workbench (1) and is provided with a positive plate feeding station (301), a cell feeding station (302), a positive plate welding station (303) and a transposition blanking station (304), and the transposition blanking station (304) is used for transferring the cell welded with the positive plate;
the second turntable (4) is rotatably arranged on the workbench (1) and is provided with a transposition feeding station (401), a negative plate feeding station (402), a negative plate welding station (403) and a blanking completion station (404), the transposition feeding station (401) is used for receiving the battery cell welded with the positive plate, and the blanking completion station (404) is used for blanking the battery cell welded with the positive plate;
the number of the spot welding machines (2) is two, the spot welding machines are respectively arranged on the outer sides of the positive plate welding station (303) and the negative plate welding station (403), and the spot welding machines (2) are used for welding the pole pieces to the battery core.
2. The spot welding device for positive and negative electrode plates of a battery cell of claim 1, characterized in that: also comprises two driving devices (5), wherein,
and the two driving devices (5) are fixed on the workbench (1) and are respectively used for driving the first rotating disc (3) and the second rotating disc (4) to rotate.
3. The spot welding device for positive and negative pole pieces of the battery core of claim 2, characterized in that: the driving device (5) comprises a stepping motor (51) and a speed reducer (52), wherein,
a stepping motor (51) fixed on the workbench (1);
the speed reducer (52) is fixed on the workbench (1), the input end of the speed reducer is fixed with the output shaft of the stepping motor (51), and the output end of the speed reducer (52) is in transmission connection with the first rotary disc (3) or the second rotary disc (4).
4. The spot welding device for positive and negative pole pieces of the battery core of claim 1, characterized in that: the positive plate detection station (305) is arranged on the first rotary disc (3), and the blanking detection station (405) is arranged on the second rotary disc (4).
5. The spot welding device for positive and negative electrode plates of a battery cell of claim 4, wherein: also comprises two laser detection assemblies (6), wherein,
two laser detection components (6) are all fixed on the workbench (1), are respectively arranged at the outer sides of the positive plate detection station (305) and the blanking detection station (405), and are used for detecting the positive plate detection station (305) and the positive plate or the battery cell on the blanking detection station (405).
6. The spot welding device for positive and negative pole pieces of the battery core of claim 1, characterized in that: a first battery cell detection station (306) is arranged on the first rotary table (3), and a second battery cell detection station (406) is arranged on the second rotary table (4).
7. The spot welding device for positive and negative electrode plates of a battery cell of claim 6, wherein: also comprises two battery cell detection assemblies (7), wherein,
the two battery cell detection assemblies (7) are fixed on the workbench (1), are respectively arranged at the outer sides of the first battery cell detection station (306) and the second battery cell detection station (406), and are used for detecting battery cells on the first battery cell detection station (306) and the second battery cell detection station (406).
8. The spot welding device for positive and negative pole pieces of the battery core of claim 1, characterized in that: and a charge and discharge detection station (407) is arranged on the second turntable (4), and the charge and discharge detection station (407) is used for detecting charge and discharge of the battery cell after welding the pole piece.
9. The spot welding device for positive and negative electrode plates of a battery cell of claim 8, wherein: also comprises a charging and discharging detection assembly (8), wherein,
and the charge and discharge detection assembly (8) is fixed on the workbench (1), is arranged on the outer side of the charge and discharge detection station (407), and is used for carrying out charge and discharge detection on the battery cell after the pole piece is welded.
10. The spot welding device for positive and negative electrode plates of a battery cell of claim 8, wherein: and each station is provided with a tooling part (9) for loading the pole piece and the battery cell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222142327.5U CN218472231U (en) | 2022-08-15 | 2022-08-15 | Spot welding device for positive and negative electrode plates of battery cell |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222142327.5U CN218472231U (en) | 2022-08-15 | 2022-08-15 | Spot welding device for positive and negative electrode plates of battery cell |
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| CN218472231U true CN218472231U (en) | 2023-02-10 |
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| CN202222142327.5U Active CN218472231U (en) | 2022-08-15 | 2022-08-15 | Spot welding device for positive and negative electrode plates of battery cell |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115395184A (en) * | 2022-08-15 | 2022-11-25 | 武汉市汉泰斯特科技有限公司 | Spot welding method and spot welding device for button battery pole piece |
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2022
- 2022-08-15 CN CN202222142327.5U patent/CN218472231U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115395184A (en) * | 2022-08-15 | 2022-11-25 | 武汉市汉泰斯特科技有限公司 | Spot welding method and spot welding device for button battery pole piece |
| CN115395184B (en) * | 2022-08-15 | 2024-02-20 | 武汉市汉泰斯特科技有限公司 | Method and spot welding device for spot welding of button cell pole piece |
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