CN209902006U - Lithium battery tab bending device - Google Patents
Lithium battery tab bending device Download PDFInfo
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- CN209902006U CN209902006U CN201822253097.3U CN201822253097U CN209902006U CN 209902006 U CN209902006 U CN 209902006U CN 201822253097 U CN201822253097 U CN 201822253097U CN 209902006 U CN209902006 U CN 209902006U
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Abstract
A lithium battery tab bending device comprises: the device comprises a tab positioning mechanism (1), a first bending mechanism (2) and a second bending mechanism (3); the first bending mechanism (2) and the second bending mechanism (3) are arranged on the same side of the tab positioning mechanism (1); the first bending mechanism (2) reciprocates along a first direction to bend the tab (4) in the first direction; and the second bending mechanism (3) reciprocates along the second direction to bend the lug (4) in the second direction. The embodiment of the utility model provides a lithium battery tab device of buckling bends utmost point ear at first direction and second direction respectively through first bending mechanism and second bending mechanism, can realize automatic operation, the problem that the manual error that has significantly reduced caused the uniformity poor in the aspect of length of buckling, the angle.
Description
Technical Field
The utility model relates to a machine-building technical field especially relates to a lithium battery tab device of buckling.
Background
In recent years, the market demand of lithium ion batteries is large, and battery suppliers stand, so that the lithium ion batteries become a main direction of new energy development at the present stage. How to prepare products with high energy density, good safety performance and stable quality becomes a main competitive point of battery enterprises.
The production process of the lithium ion battery comprises a tab bending procedure, and the existing tab bending procedure is mostly made by hands. On the one hand, manual making can lead to the cost of labor high, and on the other hand, because need buckle depending on the experience of technical worker, the manual in-process of buckling lithium battery tab appears the utmost point ear easily and buckles in the aspect of length, the angle uniformity poor, the high problem of disability rate. If the tabs are bent badly, the heights of the positive and negative tabs are inconsistent, the tabs are inclined and foil damage is easily caused in the subsequent welding process in the soft package battery, the subsequent packaging process is influenced, and a bad battery core is generated; in the aluminum-shell battery, the negative electrode lug and the aluminum shell are easily short-circuited, so that the inside of the battery core is slightly short-circuited, and the service life of the battery is sharply shortened.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a lithium battery tab device of buckling, the utility model provides a lithium battery tab device of buckling can buckle utmost point ear according to predetermineeing the angle, can make things convenient for quick realization batch production.
In order to solve the above problem, an embodiment of the utility model provides a lithium battery tab device of buckling, include: the tab positioning mechanism, the first bending mechanism and the second bending mechanism are arranged on the base; the first bending mechanism and the second bending mechanism are arranged on the same side of the lug positioning mechanism; the first bending mechanism reciprocates along the first direction to bend the antipodal lugs in the first direction; the second bending mechanism reciprocates along the second direction to bend the antipodal ear in the second direction.
Further, the first direction and the second direction are perpendicular to each other.
Further, utmost point ear positioning mechanism includes: the device comprises a first positioning mechanism, a second positioning mechanism and a conveying mechanism; the first positioning mechanism is positioned on one side of the conveying mechanism, and the first bending mechanism and the second bending mechanism are positioned on the other side of the conveying mechanism; the moving direction of the conveying mechanism is respectively vertical to the first direction and the second direction; the first positioning mechanism, the second positioning mechanism and the transmission mechanism are provided with lug fixing grooves.
Further, the device also comprises a control device; the control device is respectively connected with the conveying mechanism, the second positioning mechanism, the first bending mechanism and the second bending mechanism; the control device sequentially sends a first control signal to the conveying mechanism, a second control signal to the second positioning mechanism, a third control signal to the first bending mechanism and a fourth control signal to the second bending mechanism; the transmission mechanism transmits the lug to a preset position after receiving the first control signal; the second positioning mechanism is close to the lug after receiving the second control signal; the first bending mechanism moves along the first direction after receiving the third control signal so as to bend the polar lug in the first direction; and the second bending mechanism moves along the second direction after receiving the fourth control signal so as to bend the lug in the second direction.
Further, the device also comprises a detection device; the detection device is connected with the control device and used for sending a detection signal to the control device when the lug reaches a preset position.
Further, the detection device comprises a transmitter and a receiver which are oppositely arranged; the receiver is connected with the control device; the transmitter is located on one side of the transport mechanism and the receiver is located on the other side of the transport mechanism.
Further, the second positioning mechanism comprises a pressure plate and a pressure plate driving device connected with the pressure plate; and the pressure plate driving device drives the pressure plate to be close to or far away from the lug.
Further, the pressing plate comprises a plate body and a tab bending die; and the second bending mechanism is matched with the shape of the tab bending die.
Further, the first bending mechanism comprises a first die and a first driving device; the first die is connected with the first driving device; the first driving device drives the first die to reciprocate along a first direction.
Further, the second bending mechanism comprises a second die and a second driving device; the second die is connected with a second driving device; the second driving device drives the second die to reciprocate along the second direction.
The above technical scheme of the utility model has following profitable technological effect:
(1) the embodiment of the utility model provides a lithium battery tab device of buckling is provided with first bending mechanism, second bending mechanism and transport mechanism, and transport mechanism conveys utmost point ear to predetermineeing the position, bends utmost point ear at first direction and second direction respectively through first bending mechanism and second bending mechanism, can realize automatic operation, the problem that the manual error that has significantly reduced caused the length of buckling, the uniformity is poor in the aspect of the angle.
(2) The embodiment of the utility model provides a lithium battery tab device of buckling is provided with second positioning mechanism, and second positioning mechanism includes the clamp plate, and the clamp plate includes utmost point ear mould of buckling, puts through second bending mechanism and can buckle utmost point ear into along the second direction and predetermine the angle, and the application of force is more reliable accurate. Just the embodiment of the utility model provides a lithium battery tab device of buckling can be divided into two processes with first mechanism of buckling and second mechanism of buckling and buckle utmost point ear in proper order, can improve production efficiency when guaranteeing utmost point ear quality of buckling.
Drawings
Fig. 1 is a schematic structural view of a lithium battery tab bending device according to a first embodiment of the present invention;
fig. 2 is a top view of a transfer mechanism according to a first embodiment of the present invention;
fig. 3(a) schematically shows a structural view before bending a tab of a lithium battery;
fig. 3(b) schematically shows a structure diagram of a tab of a lithium battery after being bent.
Reference numerals:
1: a tab positioning mechanism; 11: a first positioning mechanism; 12: a second positioning mechanism; 121: pressing a plate; 1211: a plate body; 1212: a tab bending die; 122: a platen drive; 123: a height positioning plate; 13: a transport mechanism; 14: a tab fixing groove; 2: a first bending mechanism; 21: a first mold; 22 a first drive means; 3: a second bending mechanism; 31: a second mold; 32: a second driving device; 4: a tab; 41: bending the front tab; 42: bending the rear tab; 5: a transmitter; 6: a receiver.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
Fig. 1 is a schematic structural view of a lithium battery tab bending device according to a first embodiment of the present invention.
As shown in fig. 1, the tab bending device for a lithium battery includes: the device comprises a tab positioning mechanism 1, a first bending mechanism 2 and a second bending mechanism 3.
The first bending mechanism 2 and the second bending mechanism 3 are arranged on the same side of the tab positioning mechanism 1; the first bending mechanism 2 reciprocates along the first direction to bend the antipodal ear 4 in the first direction; the second bending mechanism 3 reciprocates in the second direction to bend the tab 4 in the second direction. Wherein the dotted line at the first bending mechanism 2 represents the first direction, and the dotted line at the second bending mechanism 3 represents the second direction.
In one embodiment, the first direction and the second direction are perpendicular to each other. Optionally, the first direction is a vertical direction, and the second direction is a horizontal direction.
Specifically, the tab positioning mechanism 1 includes: a first positioning mechanism 11, a second positioning mechanism 12 and a transport mechanism 13. The first positioning mechanism 11 is located on one side of the conveying mechanism 13, and the first bending mechanism 2 and the second bending mechanism 3 are located on the other side of the conveying mechanism 13. Wherein the conveying mechanism 13 may be a conveyor belt.
Fig. 2 is a plan view of a transfer mechanism according to a first embodiment of the present invention.
In the example shown in fig. 2, the direction of movement of the transport mechanism 13 is perpendicular to the first direction and the second direction, respectively; the first positioning mechanism 11, the second positioning mechanism 12 and the transport mechanism 13 are formed with tab fixing grooves 14. Wherein the arrow indicates the conveying direction of the conveying mechanism 13.
Further specifically, the lithium battery tab bending device further comprises a control device, and the control device is respectively connected with the conveying mechanism 13, the second positioning mechanism 12, the first bending mechanism 2 and the second bending mechanism 3.
The control device sends a first control signal to the conveying mechanism 13, a second control signal to the second positioning mechanism 12, a third control signal to the first bending mechanism 2, and a fourth control signal to the second bending mechanism 3 in sequence.
The transmission mechanism 13 transmits the tab 4 to a predetermined position after receiving the first control signal.
The second positioning mechanism 12 approaches the tab 4 after receiving the second control signal; the first bending mechanism 2 moves in the first direction after receiving the third control signal to bend the tab 4 in the first direction.
The second bending mechanism 3 moves in the second direction after receiving the fourth control signal, so as to bend the tab 4 in the second direction.
In a preferred embodiment, the lithium battery tab bending device further comprises a detection device; the detection device is connected with the control device and used for sending a detection signal to the control device when the lug 4 reaches a preset position.
Optionally, the detection device is a photoelectric sensor.
Specifically, the detection means comprises a transmitter 5 and a receiver 6 arranged oppositely; the receiver 6 is connected with the control device; the transmitter 5 is located on one side of the transport mechanism 13 and the receiver 6 is located on the other side of the transport mechanism 13. When there is no obstacle between the transmitter 5 and the receiver 6, no electric signal is generated, and when the receiver 6 does not receive the optical signal transmitted by the transmitter 5, which indicates that a certain tab has been conveyed to a position between the transmitter and the receiver, the receiver 6 generates a detection signal and transmits the detection signal to the control device.
Specifically, when the control device receives the detection signal, a signal for conveyance suspension and a second control signal are generated and sent to the conveyance device 13 and the second positioning mechanism 12, respectively. The transmission device 13 stops transmitting the tab when receiving the signal of transmission suspension. And after receiving the second control signal, the second positioning mechanism 12 drives the pressing plate 121 to move downwards, so that the pressing plate presses the tab 4 on the conveying device 13.
Optionally, a time interval for the control device to generate the first control signal, the signal for transmission suspension, the second control signal, the third control signal and the fourth control signal may be preset, so that the lithium battery tab bending device can operate. For example, after the signal for stopping the transmission is generated, the control device generates a second control signal again after the transmission is stopped, so that the second positioning mechanism 12 presses the tab. After the pole lug is pressed, the control device generates a third control signal again so that the first bending mechanism bends the pole lug for the first time, and after the first bending mechanism returns to the position before bending. The control device generates a fourth control signal to enable the second bending mechanism to bend the tab for the second time, and after the second bending mechanism returns to the position before bending, the control device generates the first control signal again to enable the transmission mechanism 13 to transmit the tab to the designated position. The process is circulated in such a way, so that the lug on the conveying mechanism can be bent.
Optionally, a reset detection mechanism may be further disposed on the lithium battery tab bending device to detect whether the first bending mechanism 2 and the second bending mechanism 3 are reset. The reset detection mechanism is connected with the control device.
When the reset detection mechanism detects that the first bending mechanism 2 is reset, a first reset detection signal is sent to the control device. And after receiving the first reset detection signal, the control device generates a fourth control signal so as to bend the polar lug by the second bending mechanism. And when the reset detection mechanism detects that the second bending mechanism is reset, a second reset detection signal is sent to the control device. And after receiving the second reset detection signal, the control device generates a first control signal to control the transmission mechanism to continuously transmit the lug to the designated position.
In one embodiment, the second positioning mechanism 12 includes a platen 121 and a platen drive 122 connected to the platen 121; the platen driving device 122 drives the platen 121 to approach or separate from the tab 4.
Alternatively, the platen driving device 122 may be an air cylinder.
In a preferred embodiment, the second positioning mechanism 12 further includes a height positioning plate 123, the height positioning plate 123 is fixedly connected to the pressing plate 12, and the pressing plate 12 presses the tab 4 through the height positioning plate.
It should be noted that the bending width of the tab 4 in the first direction can be adjusted by the height of the height positioning plate 123. Optionally, the number of the height positioning plates 123 is 1 or more.
Further, the pressing plate 121 includes a plate body 1211 and a tab bending mold 1212; the second bending mechanism 3 is matched with the shape of the tab bending mold 1212, so that the tab bending device of the lithium battery bends the tab into a preset shape in the second direction.
Further, the first bending mechanism 2 includes a first die 21 and a first driving device 22; the first die 21 is connected with a first driving device 22; the first driving device 22 drives the first mold 21 to reciprocate in the first direction.
Alternatively, the first driving device 22 may be a square pushing shaft, a roller, a cylinder or other devices capable of driving the first mold 21 to reciprocate.
Further, the second bending mechanism 3 includes a second die 31 and a second driving device 32; the second die 31 is connected with a second driving device 32; the second driving device 32 drives the second mold 31 to reciprocate in the second direction.
Alternatively, the second driving device 32 may be a square pushing shaft, a roller, an air cylinder or other devices capable of driving the second mold 31 to reciprocate.
The following will explain in detail the usage of the lithium battery tab bending device provided by the first embodiment of the present invention.
Firstly, the lithium battery tab bending device is debugged, the position of a proper first positioning mechanism 11 is adjusted and fixed according to the set tab length and the bending requirement, a pressing plate 121 with a certain bending angle and a certain bending shape and a corresponding second bending mechanism are selected, and a detection mechanism is debugged.
Then, the tab 4 is horizontally placed on the conveying mechanism 13 (or the tab is placed on the conveying mechanism 13 in combination with an automatic sampling device), and the tab at this time is the tab before bending as shown in fig. 3 (a).
The height of the tab fixing groove 14 between the pressing plate 121 and the conveying mechanism 13 is adjusted by the pressing plate driving device 122 so that the tab 4 can be accommodated in the tab fixing groove 14, and the position of the tab 4 in the width direction of the conveying mechanism 13 is determined by the first positioning mechanism 11.
When the detection device detects that the lug is at the preset position, the control device controls the conveying mechanism to stop conveying; the control device controls the pressing plate driving device to drive the pressing plate 1211 to be close to the tab 4, so that the tab is fixed in the tab fixing groove 14. The control device controls the first bending mechanism to move along the first direction, so that the first bending mechanism is controlled to reset after the tab is bent in the first direction. The control device controls the second bending mechanism to move along the second direction, so that the tab which is bent in the first direction is bent again in the second direction, and then the second bending mechanism is controlled to reset, so that the bent tab shown in fig. 3(b) can be obtained.
Finally, the control device controls the conveying mechanism 13 to continue moving to convey the next tab to the preset position, and the next tab is bent.
The above technical scheme of the utility model following beneficial effect has:
(1) the embodiment of the utility model provides a lithium battery tab device of buckling is provided with first bending mechanism, second bending mechanism and transport mechanism, and transport mechanism conveys utmost point ear to predetermineeing the position, bends utmost point ear at first direction and second direction respectively through first bending mechanism and second bending mechanism, can realize automatic operation, the problem that the manual error that has significantly reduced caused the length of buckling, the uniformity is poor in the aspect of the angle.
(2) The embodiment of the utility model provides a lithium battery tab device of buckling is provided with second positioning mechanism, and second positioning mechanism includes the clamp plate, and the clamp plate includes utmost point ear mould of buckling, puts through second bending mechanism and can buckle utmost point ear into along the second direction and predetermine the angle, and the application of force is more reliable accurate. Just the embodiment of the utility model provides a lithium battery tab device of buckling can be divided into two processes with first mechanism of buckling and second mechanism of buckling and buckle utmost point ear in proper order, can improve production efficiency when guaranteeing utmost point ear quality of buckling.
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.
Claims (10)
1. The utility model provides a lithium battery tab device of buckling which characterized in that includes: the device comprises a tab positioning mechanism (1), a first bending mechanism (2) and a second bending mechanism (3);
the first bending mechanism (2) and the second bending mechanism (3) are arranged on the same side of the tab positioning mechanism (1);
the first bending mechanism (2) reciprocates along a first direction to bend the tab (4) in the first direction;
and the second bending mechanism (3) reciprocates along the second direction to bend the lug (4) in the second direction.
2. The lithium battery tab bending apparatus as claimed in claim 1, wherein the first direction and the second direction are perpendicular to each other.
3. The lithium battery tab bending device according to claim 1 or 2, wherein the tab positioning mechanism (1) comprises: a first positioning mechanism (11), a second positioning mechanism (12) and a conveying mechanism (13);
the first positioning mechanism (11) is positioned on one side of the conveying mechanism (13), and the first bending mechanism (2) and the second bending mechanism (3) are positioned on the other side of the conveying mechanism (13);
the moving direction of the conveying mechanism (13) is respectively vertical to the first direction and the second direction;
the first positioning mechanism (11), the second positioning mechanism (12) and the conveying mechanism (13) are provided with lug fixing grooves (14).
4. The lithium battery tab bending device according to claim 3, further comprising a control device;
the control device is respectively connected with the conveying mechanism (13), the second positioning mechanism (12), the first bending mechanism (2) and the second bending mechanism (3);
the control device sequentially sends a first control signal to the conveying mechanism (13), a second control signal to the second positioning mechanism (12), a third control signal to the first bending mechanism (2) and a fourth control signal to the second bending mechanism (3);
the transmission mechanism (13) transmits the lug (4) to a preset position after receiving the first control signal;
the second positioning mechanism (12) approaches the tab (4) after receiving the second control signal;
the first bending mechanism (2) moves along a first direction after receiving the third control signal so as to bend the tab (4) in the first direction;
and the second bending mechanism (3) moves along a second direction after receiving the fourth control signal so as to bend the tab (4) in the second direction.
5. The lithium battery tab bending device according to claim 4, further comprising a detection device;
the detection device is connected with the control device and used for sending a detection signal to the control device when the lug (4) reaches the preset position.
6. The lithium battery tab bending device according to claim 5, wherein the detection device comprises a transmitter (5) and a receiver (6) which are oppositely arranged;
the receiver (6) is connected with the control device;
the transmitter (5) is located on one side of the transport mechanism (13) and the receiver (6) is located on the other side of the transport mechanism (13).
7. The lithium battery tab bending device according to claim 3, wherein the second positioning mechanism (12) comprises a pressure plate (121) and a pressure plate driving device (122) connected with the pressure plate (121);
the pressure plate driving device (122) drives the pressure plate (121) to be close to or far away from the pole lug (4).
8. The lithium battery tab bending device according to claim 7, wherein the pressing plate (121) comprises a plate body and a tab bending mold;
and the second bending mechanism (3) is matched with the shape of the tab bending die.
9. The lithium battery tab bending device according to claim 1 or 2, wherein the first bending mechanism (2) comprises a first die (21) and a first driving device (22);
the first die (21) is connected with the first driving device (22);
the first driving device (22) drives the first die (21) to reciprocate along the first direction.
10. The lithium battery tab bending device according to claim 1 or 2, wherein the second bending mechanism (3) comprises a second die (31) and a second driving device (32);
the second die (31) is connected with the second driving device (32);
the second driving device (32) drives the second die (31) to reciprocate along the first direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822253097.3U CN209902006U (en) | 2018-12-29 | 2018-12-29 | Lithium battery tab bending device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822253097.3U CN209902006U (en) | 2018-12-29 | 2018-12-29 | Lithium battery tab bending device |
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| Publication Number | Publication Date |
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| CN209902006U true CN209902006U (en) | 2020-01-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201822253097.3U Active CN209902006U (en) | 2018-12-29 | 2018-12-29 | Lithium battery tab bending device |
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| CN (1) | CN209902006U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113113653A (en) * | 2021-02-26 | 2021-07-13 | 合肥国轩高科动力能源有限公司 | Lithium battery cover plate lug bending device |
| CN114289576A (en) * | 2021-12-30 | 2022-04-08 | 江苏全锂智能科技有限公司 | Lithium battery tab bending device |
-
2018
- 2018-12-29 CN CN201822253097.3U patent/CN209902006U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113113653A (en) * | 2021-02-26 | 2021-07-13 | 合肥国轩高科动力能源有限公司 | Lithium battery cover plate lug bending device |
| CN113113653B (en) * | 2021-02-26 | 2022-05-06 | 合肥国轩高科动力能源有限公司 | Lithium battery cover plate lug bending device |
| CN114289576A (en) * | 2021-12-30 | 2022-04-08 | 江苏全锂智能科技有限公司 | Lithium battery tab bending device |
| CN114289576B (en) * | 2021-12-30 | 2022-12-23 | 江苏全锂智能科技有限公司 | Lithium battery tab bending device |
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Effective date of registration: 20201104 Address after: 411201 Xiangtan 316, Hunan, China, two, 316, Benz West Road. Patentee after: SOUNDON NEW ENERGY TECHNOLOGY Co.,Ltd. Address before: 101102 Beijing Tongzhou District Huanyu Road No.3 Building No.14, 3 Floors Patentee before: Sander New Energy Technology Development Co.,Ltd. Patentee before: SOUNDON NEW ENERGY TECHNOLOGY Co.,Ltd. |
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Effective date of registration: 20230426 Granted publication date: 20200107 |
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