CN212173759U - Cylindrical battery cell balance device - Google Patents
Cylindrical battery cell balance device Download PDFInfo
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- CN212173759U CN212173759U CN202020370014.3U CN202020370014U CN212173759U CN 212173759 U CN212173759 U CN 212173759U CN 202020370014 U CN202020370014 U CN 202020370014U CN 212173759 U CN212173759 U CN 212173759U
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- battery cell
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- axial limiting
- cylindrical battery
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- 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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- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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Abstract
The utility model relates to a cylinder electricity core balance equipment, including correction module and balance module, this correction module includes: the first bearing shaft roller and the second bearing shaft roller are arranged side by side; the axial limiting mechanism comprises a first axial limiting end and a second axial limiting end which are oppositely arranged in the axial direction, and the first axial limiting end and the second axial limiting end can be close to or far away from each other in the axial direction; the radial limiting mechanism comprises a roller wheel which is rotatably arranged on a limiting bracket, and the limiting bracket is movably arranged so that the roller wheel can move to the upper part of the cylindrical battery cell and radially limit the cylindrical battery cell; the rotary driving device is used for driving the first bearing shaft roller or the second bearing shaft roller to rotate so as to change the lug positions of the cylindrical battery cells borne on the first bearing shaft roller and the second bearing shaft roller; and the lug detection sensor is used for detecting the lug position of the cylindrical battery cell. The utility model discloses can realize the automatic balance of cylinder electricity core to utmost point ear position when accurate control balance.
Description
Technical Field
The utility model relates to a battery production device; more specifically, the invention relates to a cylindrical cell balance device with a tab position correction function.
Background
The cylindrical battery generally includes a casing, positive and negative end caps disposed at two ends of the casing, and a battery cell disposed in the casing, wherein the two ends of the battery cell are respectively provided with positive and negative tabs electrically connected to the positive and negative end caps. A typical production process of such a cylindrical battery includes a winding process of winding a pole piece having positive and negative electrode tabs to obtain a cylindrical cell, and a case-entering welding process performed after the winding process.
Trays are commonly used when transferring cells/batteries between different stations, and automatic tray placement equipment is commonly used to place cells/batteries into trays to improve production efficiency. An example of an existing automatic tray placing device can be referred to, for example, in chinese patent document CN203461518U, which discloses a battery tray placing machine, comprising a conveying device, a material sucking assembly, a suction cup material distributing assembly; wherein the battery is sucked up and placed on the conveying device by the sucking component; the conveying device conveys the battery from the material suction assembly to the sucker material distribution assembly; the battery is sucked up by the sucker distributing component, and the placement of the battery is completed.
For the production of cylindrical batteries, in order to ensure the smooth proceeding of the casing and welding, the positions of the positive and negative lugs of the battery core are strictly required when the battery core is placed into the casing. Accordingly, it is required to accurately control the tab position when placing the cylindrical battery cell on the cell tray. However, the existing battery cell/battery balance machine only has a balance function, cannot automatically correct and detect the positions of the tabs, and has the defect that the positions of the tabs of the battery cell cannot be accurately controlled when the balance machine is applied to a balance of a cylindrical battery cell.
Disclosure of Invention
The not enough to prior art, the utility model aims at providing a cylinder electricity core balance equipment with utmost point ear position correction function.
In order to achieve the main purpose, the cylindrical battery cell swinging plate equipment provided by the utility model comprises a correction module and a swinging plate module, wherein the correction module is used for correcting the position of a lug of a cylindrical battery cell, and the swinging plate module is used for transferring the cylindrical battery cell from the correction module to a battery cell tray; wherein, the correction module includes:
the first bearing shaft roller and the second bearing shaft roller are arranged side by side and can be rotatably arranged on the shaft roller support;
the axial limiting mechanism is used for limiting the cylindrical battery cell in the axial direction; the axial limiting mechanism comprises a first axial limiting end and a second axial limiting end, and the first axial limiting end and the second axial limiting end are arranged oppositely in the axial direction and are configured to be close to or far away from each other in the axial direction;
the radial limiting mechanism is used for limiting the cylindrical battery cell in the radial direction; the radial limiting mechanism comprises a roller wheel which is rotatably arranged on a limiting bracket, and the limiting bracket is movably arranged so that the roller wheel can move to the upper part of the cylindrical battery cell and carry out radial contact limiting on the cylindrical battery cell;
the rotary driving device is used for driving the first bearing shaft roller or the second bearing shaft roller to rotate so that the cylindrical battery cells borne on the first bearing shaft roller and the second bearing shaft roller rotate to change the position of the tab;
and the lug detection sensor is used for detecting the lug position of the cylindrical battery cell.
According to a specific embodiment of the present invention, the axes of the first axial limiting end and the second axial limiting end are aligned with each other; the first axial limiting end is arranged on a first translation support driven by a first cylinder, and the second axial limiting end is arranged on a second translation support driven by a second cylinder.
According to an embodiment of the present invention, the tab detecting sensor is an opposed type photo sensor having a light emitting portion and a light receiving portion, one of the light emitting portion and the light receiving portion is disposed on the first axial limit end, and the light emitting portion and the light receiving portion are configured such that when a tab located on one side of the first axial limit end is in a set position, an optical signal between the light emitting portion and the light receiving portion is blocked by the tab.
Optionally, the tail end face of the second axial limiting end is formed into a flat surface so as to bend the lug on one side of the second axial limiting end; or the tail end face of the second axial limiting end is provided with an avoiding groove/hole which is used for accommodating a lug on one side of the second axial limiting end.
According to the utility model discloses a concrete implementation mode, but install on a lifting support spacing support horizontal migration, the last drive of installing of lifting support the translation cylinder of spacing support translation, lifting support then is made elevating movement by a lift cylinder drive.
According to the utility model discloses a concrete implementation mode, beam barrel support, axial stop gear and rotary driving device install on the installation base of a liftable, and this installation base is made elevating movement by a lift cylinder drive.
Preferably, the cylindrical battery cell balance device further comprises a blanking module, which is used for conveying the cylindrical battery cell to the correction module; the blanking module comprises a movable base, a battery cell clamping device arranged on the movable base and a translation driving mechanism for driving the movable base to be close to/far away from the correction module in the horizontal direction.
The utility model discloses a preferred embodiment still installs the motor on the moving base, and electric core clamping device rotationally installs on the moving base, and this motor is via taking transmission or chain drive electricity core clamping device to rotate in vertical face.
Specifically, the wobble plate module includes a robot arm that is movable in X, Y and Z-axis directions so that the robot arm can transfer cylindrical cells from the calibration module to the cell tray.
The utility model discloses a preferred embodiment, the manipulator of balance block still can be used to when electric core clamping device is close to the correction module, with cylinder electricity core from electric core clamping device transfer to first bear on the beam barrel and the second bear on the beam barrel.
The utility model discloses in, rectify and detect the utmost point ear position of cylinder electricity core through correction module for during the electricity core tray was put to the appearance attitude pendulum that cylinder electricity core can be adjusted preset position with its utmost point ear, subsequent battery production processes is carried out to the high efficiency of being convenient for. The cylindrical battery cell is limited by the axial limiting mechanism and the radial limiting mechanism, so that the position detection/correction precision of the lug can be guaranteed, and the cylindrical battery cell (especially the cylindrical battery cell with relatively thin thickness) can be prevented from being toppled over during correction operation, so that the correction process can be performed smoothly. The gyro wheel is preferred when spacing applys appropriate pressure to cylinder electricity core for cylinder electricity core and first bear the weight of the beam barrel and the second bears and have appropriate frictional force between the beam barrel, rotate with driving cylinder electricity core fast, improve and rectify and balance efficiency.
To more clearly illustrate the objects, technical solutions and advantages of the present invention, the present invention will be described in further detail with reference to the accompanying drawings and detailed description.
Drawings
Fig. 1 is a first structural diagram of a preferred embodiment of the cylindrical cell wobble plate apparatus of the present invention;
fig. 2 is a second structural diagram of a preferred embodiment of the cylindrical cell balance device of the present invention;
fig. 3 is a third structural diagram of a preferred embodiment of the cylindrical cell wobble plate apparatus of the present invention;
fig. 4 is a structural diagram of a manipulator in the wobble plate module according to the preferred embodiment of the present invention;
FIG. 5 is a first structural diagram of a calibration module in a preferred embodiment of the present invention;
FIG. 6 is a second block diagram of a calibration module in a preferred embodiment of the present invention;
FIG. 7 is a block diagram of a second axial restraining tip in accordance with a preferred embodiment of the present invention;
fig. 8 is a schematic structural diagram of an example of a cylindrical battery cell to be subjected to disc swinging.
Detailed Description
For the convenience of describing the present invention, the structure of the cylindrical battery cell will be described with reference to fig. 8. As shown in fig. 8, the cylindrical battery cell 1 typically includes a cylindrical body 1A and two tabs (positive and negative tabs), wherein one tab 1B (tab to be tested) is located at the radial periphery of the first axial end/side portion of the body 1A. Another tab (not visible in the figures) is located in the central region of the second axial end/side of the body 1A.
Next, referring to fig. 1 to 3, the cylindrical battery cell balance device of the preferred embodiment includes a correction module 10, a balance module 20, and a blanking module 30, where the blanking module 30 conveys the cylindrical battery cell 1 from the previous station device 100 to the correction module 10, the correction module 10 corrects the position of the tab 1B of the cylindrical battery cell 1, and the balance module 20 transfers the cylindrical battery cell 1 with the tab position corrected from the correction module 10 to the battery cell tray 40. Specifically, the wobble plate module 20 includes a manipulator 21 that is movable in X, Y and Z-axis directions, so that the manipulator 21 can transfer the cylindrical battery cells 1 with the tab positions corrected from the correction module 10 to the cell tray 40.
As shown in fig. 3, the blanking module 30 includes a moving base 31 and a translation drive mechanism 32 that drives the moving base 31 to approach/separate from the correction module 10 in the horizontal direction. The moving base 31 is provided with a cell clamping device 33, a motor 34 (see fig. 1) and a belt transmission or chain transmission mechanism 35 connecting the motor 34 and the cell clamping device 33, the cell clamping device 33 comprises a rotating base 331 rotatably mounted on the moving base 31 and a flat clamping jaw 332 for clamping the cylindrical cell 1, and the rotating base 331 is connected with the belt transmission or chain transmission mechanism 35, so that the motor 34 can drive the cell clamping device 33 to rotate in a vertical plane via the belt transmission or chain transmission mechanism 35. The specific structure of the translation driving mechanism 32 is well known in the art and will not be described in detail.
When the equipment works, firstly, as shown in fig. 1 or 3, the translation driving mechanism 32 drives the moving base 31 to be close to the front station equipment 100, and the motor 34 drives the clamping jaw 332 of the cell clamping device 33 to rotate to a position suitable for clamping the cylindrical cell 1 from the front station equipment 100, so as to clamp the cylindrical cell 1 from the front station equipment 100; then, as shown in fig. 2, the translation drive mechanism 32 drives the moving base 31 to move close to the correction module 10, and the motor 34 drives the clamping jaws 332 of the cell clamping device 33 to rotate close to the carrier rollers 111 and 112 (see fig. 6) of the correction module 10, and then the cylindrical cell 1 is transferred from the cell clamping device 33 onto the carrier rollers 111 and 112 by the robot arm 21. As shown in fig. 4, the two gripper arms 211 of the robot arm 21 have slits 212, and when the robot arm 21 grips the cylindrical battery cell 1 from the battery cell holding device 33, the gripping jaws 332 pass through the slits 212 without interfering with the gripper arms 211.
Referring to fig. 5 and 6, the correction module 10 includes a first bearing roller 111 and a second bearing roller 112 disposed side by side, and the first bearing roller 111 and the second bearing roller 112 are rotatably mounted on two opposite sidewalls of a U-shaped roller support 123 for bearing the cylindrical battery cell 1. The motor 14, which is an example of a rotation driving device, drives the first bearing shaft roller 111 to rotate, so that the cylindrical battery cells 1 borne on the first bearing shaft roller 111 and the second bearing shaft roller 112 rotate to change the positions of the tabs 1B. The shaft roller support 123 and the motor 14 are both arranged on the mounting base 11, and the mounting base 11 is driven by the lifting cylinder 15 to move up and down.
The correction module 10 further has an axial limiting mechanism for axially limiting the cylindrical electrical core 1 and a radial limiting mechanism for radially limiting the cylindrical electrical core 1; the axial limiting mechanism is arranged on the mounting base 11 and comprises a first axial limiting end 121 and a second axial limiting end 122, the first axial limiting end 121 and the second axial limiting end 122 are arranged in an axial direction oppositely, and the axes of the first axial limiting end 121 and the second axial limiting end 122 are preferably aligned with each other. The first axial restraining head 121 is disposed on a first translational support 1211 driven by a first cylinder 1212 and the second axial restraining head 122 is disposed on a second translational support 1221 driven by a second cylinder 1222, i.e., the first axial restraining head 121 and the second axial restraining head 122 are configured to be axially movable toward and away from each other.
The radial limiting mechanism 140 includes a roller 131 rotatably mounted on the limiting bracket 132, and the limiting bracket 132 is movably disposed, so that the roller 131 can move to the upper side of the cylindrical battery cell 1 and radially limit the cylindrical battery cell 1. Specifically, the limit bracket 132 is horizontally movably mounted on the lifting bracket 133, the lifting bracket 133 is mounted with a translation cylinder 134 for driving the limit bracket 132 to translate, and the lifting bracket 133 is driven by the lifting cylinder 135 to move up and down. Preferably, the roller 131 applies a proper pressure to the cylindrical battery cell 1 during the limiting, so that a proper friction force exists between the cylindrical battery cell 1 and the first bearing roller 111 and the second bearing roller 112. In this way, when the first bearing roller 111 rotates, the cylindrical battery cell 1 can be better driven to rotate.
The correction module 10 further includes a tab detection sensor for detecting the position of the tab 1B. Preferably, the tab detecting sensor is an opposed photo sensor having a light emitting portion and a light receiving portion, and the light emitting portion and the light receiving portion are configured such that when the tab 1B located on the first axial limiting tip 121 side is in the set position, the optical signal between the light emitting portion and the light receiving portion is blocked by the tab 1B. As a preferred example of the present invention, the light emitting part 162 is provided on the first axial limit tip 121, and the light receiving part 161 is provided at the bottom of the U-shaped shaft roller support 123; when the first axial limiting end 121 axially limits the cylindrical battery cell 100, the light emitting portion 162 and the light receiving portion 161 are oppositely arranged in the height direction. In order to clearly show the installation manner of the light emitting portion 162, the first axial limiting tip 121 is hidden in fig. 6. As can be seen from fig. 5 and 6, the light emitting portion 162 is specifically disposed inside the first axial limiting end 121, and a hole for exposing the light emitting portion 162 or allowing an optical signal to pass through is disposed on the first axial limiting end 121.
When the tab correction is performed, the cylindrical battery cell 1 is axially limited by the first axial limiting end 121 and the second axial potential end 122, is radially limited by the roller 131 and applies pressure, the cylindrical battery cell 1 rotates along with the rotation of the first bearing shaft roller 111, the position of the tab 1B changes accordingly, when the cylindrical battery cell 1 rotates until the tab 1B reaches between the light emitting part 162 and the light receiving part 161, an optical signal between the light emitting part 162 and the light receiving part 161 is blocked by the tab 1B, and thus it can be determined that the cylindrical battery cell 1 is a qualified product and the tab 1B thereof is corrected to a correct position. After the correction is completed, the manipulator 21 transfers the qualified cylindrical battery cell 1 to the battery cell tray 40, and the unqualified cylindrical battery cell 1 is grabbed and discarded by the manipulator 21.
In the preferred embodiment of the present invention, as shown in fig. 7, the end face of the second axial limiting end 122 has an avoiding groove/hole 1221, and the avoiding groove/hole 1221 accommodates the tab of the cylindrical electrical core 1 located on one side of the second axial limiting end 122, i.e. the tab located on one side of the second axial limiting end 122 under such a situation does not need to be bent. In other embodiments not shown in the present disclosure, the second axial limiting end 122 is further configured to bend a tab (the tab is disposed in an inclined manner relative to the axial end face of the cylindrical battery cell) located on one side of the second axial limiting end 122, and the end face of the second axial limiting end 122 is correspondingly formed into a flat surface.
Although the present invention has been described with reference to the preferred embodiments, it should be understood that equivalent modifications made in accordance with the present invention are intended to be covered by the scope of the present invention, as defined by the appended claims, by those skilled in the art, without departing from the scope of the present invention.
Claims (10)
1. The cylindrical battery cell wobble plate device comprises a correction module and a wobble plate module, wherein the correction module is used for correcting the position of a pole lug of a cylindrical battery cell, and the wobble plate module is used for transferring the cylindrical battery cell from the correction module to a battery cell tray; characterized in that the correction module comprises:
the first bearing shaft roller and the second bearing shaft roller are arranged side by side and can be rotatably arranged on the shaft roller support;
the axial limiting mechanism is used for limiting the cylindrical battery cell in the axial direction; the axial limiting mechanism comprises a first axial limiting end and a second axial limiting end, and the first axial limiting end and the second axial limiting end are arranged oppositely in the axial direction and are configured to be close to or far away from each other in the axial direction;
the radial limiting mechanism is used for limiting the cylindrical battery cell in the radial direction; the radial limiting mechanism comprises a roller wheel which is rotatably arranged on a limiting bracket, and the limiting bracket is movably arranged so that the roller wheel can move above the cylindrical battery cell and radially contact and limit the cylindrical battery cell;
the rotary driving device is used for driving the first bearing shaft roller or the second bearing shaft roller to rotate, so that the cylindrical battery cells borne on the first bearing shaft roller and the second bearing shaft roller rotate to change the position of a tab;
and the lug detection sensor is used for detecting the lug position of the cylindrical battery cell.
2. The cylindrical cell wobble plate apparatus of claim 1, wherein: the axes of the first axial limiting end and the second axial limiting end are aligned with each other; the first axial limiting end is arranged on a first translation support driven by a first air cylinder, and the second axial limiting end is arranged on a second translation support driven by a second air cylinder.
3. The cylindrical cell wobble plate apparatus of claim 1, wherein: the tab detection sensor is an opposed-type photosensor having a light emitting portion and a light receiving portion, one of the light emitting portion and the light receiving portion is disposed at the first axial limit end, and the light emitting portion and the light receiving portion are configured such that when a tab located on a side of the first axial limit end is at a set position, an optical signal between the light emitting portion and the light receiving portion is blocked by the tab.
4. The cylindrical cell wobble plate apparatus of claim 3, wherein: the tail end face of the second axial limiting end is formed into a flat surface so as to bend the lug positioned on one side of the second axial limiting end; or the tail end face of the second axial limiting end is provided with an avoiding groove/hole, and the avoiding groove/hole is used for accommodating a lug positioned on one side of the second axial limiting end.
5. The cylindrical cell wobble plate apparatus of claim 1, wherein: the limiting support is horizontally movably arranged on a lifting support, a translation cylinder for driving the limiting support to translate is arranged on the lifting support, and the lifting support is driven by a lifting cylinder to move up and down.
6. The cylindrical cell wobble plate apparatus of claim 1, wherein: the shaft roller support, the axial limiting mechanism and the rotary driving device are arranged on a liftable installation base, and the installation base is driven by a lifting cylinder to do lifting motion.
7. The cylindrical cell wobble plate apparatus of claim 1, further comprising: the blanking module is used for conveying the cylindrical battery cell to the correction module; the blanking module comprises a movable base, a battery cell clamping device installed on the movable base, and a translation driving mechanism for driving the movable base to be close to/far away from the correction module in the horizontal direction.
8. The cylindrical cell wobble plate apparatus of claim 7, wherein: the battery cell clamping device is characterized in that a motor is further mounted on the movable base, the battery cell clamping device is rotatably mounted on the movable base, and the motor drives the battery cell clamping device to rotate in a vertical plane through a belt transmission or chain transmission mechanism.
9. The cylindrical cell wobble plate apparatus of claim 7, wherein: the wobble plate module includes a robot arm movable in X, Y and Z-axis directions so that the robot arm can transfer cylindrical cells from the correction module to a cell tray.
10. The cylindrical cell wobble plate apparatus of claim 9, wherein: the manipulator is further configured to transfer the cylindrical battery cell from the battery cell clamping device to the first load-bearing spindle roller and the second load-bearing spindle roller when the battery cell clamping device is close to the correction module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020370014.3U CN212173759U (en) | 2020-03-23 | 2020-03-23 | Cylindrical battery cell balance device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020370014.3U CN212173759U (en) | 2020-03-23 | 2020-03-23 | Cylindrical battery cell balance device |
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| CN212173759U true CN212173759U (en) | 2020-12-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020370014.3U Active CN212173759U (en) | 2020-03-23 | 2020-03-23 | Cylindrical battery cell balance device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117740828A (en) * | 2024-02-20 | 2024-03-22 | 宁德时代新能源科技股份有限公司 | Encapsulation detection system and encapsulation detection method for cylindrical battery cell |
-
2020
- 2020-03-23 CN CN202020370014.3U patent/CN212173759U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117740828A (en) * | 2024-02-20 | 2024-03-22 | 宁德时代新能源科技股份有限公司 | Encapsulation detection system and encapsulation detection method for cylindrical battery cell |
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