CN212071062U - Laminate polymer battery utmost point ear welding system - Google Patents
Laminate polymer battery utmost point ear welding system Download PDFInfo
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- CN212071062U CN212071062U CN202020409776.XU CN202020409776U CN212071062U CN 212071062 U CN212071062 U CN 212071062U CN 202020409776 U CN202020409776 U CN 202020409776U CN 212071062 U CN212071062 U CN 212071062U
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Abstract
The utility model discloses a laminate polymer battery utmost point ear welding system relates to lithium cell manufacture equipment field, and it includes utmost point ear feed mechanism, prewelding mechanism, cutting mechanism, welds mechanism and electric core transplanting mechanism eventually, and prewelding mechanism is used for carrying out the first time welding to utmost point ear on the electric core, and cutting mechanism is used for cutting out the utmost point ear on the mechanism welded electric core in prewelding, and weld the mechanism finally and be used for carrying out the second time welding through the electric core of cutting out with the polar plate, and utmost point ear feed mechanism is used for centre gripping utmost point ear and delivers prewelding mechanism. Mechanism is transplanted to electric core is including being first Y axle sharp module and the sharp module of first X axle that the right angle was arranged, and first Y axle sharp module slidable mounting has the clamping jaw on first X axle sharp module and on the sharp module of first Y axle, and clamping jaw centre gripping electric core transmits between prewelding mechanism, cutting mechanism and final welding mechanism. The utility model has the characteristics of detect the precision height, do not need artifical the participation, improve the degree of automation and the production efficiency of production.
Description
Technical Field
The utility model relates to a lithium cell manufacture equipment field, concretely relates to laminate polymer battery utmost point ear welding system.
Background
The lithium ion battery comprises a pole piece and a pole lug, wherein the pole piece is used for winding to form a battery pole group, the pole lug is welded on the substrate and extends out of the battery pole group and is used for leading out a positive pole or a negative pole of the battery pole group, and the pole lug welding device is used for welding the end part of the pole lug in a foil exposing area of the pole piece. The existing tab welding device generally has the problems of insufficient butt joint precision and low automation degree when a polar plate is welded with a battery core.
SUMMERY OF THE UTILITY MODEL
To being not enough among the prior art, the utility model provides a laminate polymer battery utmost point ear welding system, it utilizes a plurality of sensors to detect electric core transplanting mechanism and presss from both sides the running position who send electric core, has the characteristics that the detection precision is high, and electric core transplanting mechanism presss from both sides simultaneously and send electric core and transmit between prewelding mechanism, cutting mechanism and final welding mechanism three, does not need artifical the participation, improves the degree of automation and the production efficiency of production.
In order to achieve the above purpose, the technical scheme of the utility model is as follows:
a laminate polymer battery utmost point ear welding system, it includes:
the prewelding mechanism is used for carrying out primary welding on the electrode lugs on the battery cell;
the cutting mechanism is used for cutting the lug on the battery cell welded by the pre-welding mechanism;
the final welding mechanism is used for carrying out secondary welding on the cut battery cell and the polar plate;
a tab feeding mechanism for clamping the plate and delivering to the final welding mechanism;
mechanism is transplanted to electric core, its including being first Y axle sharp module and the sharp module of first X axle that the right angle was arranged, first Y axle sharp module slidable mounting have the clamping jaw on the sharp module of first X axle and on the sharp module of first Y axle, clamping jaw centre gripping electricity core is in preweld the mechanism tailor the mechanism with transmit between the mechanism eventually, preweld the mechanism tailor the mechanism with it is used for detecting to weld installing in the mechanism eventually the sensor of the kinematic position of clamping jaw, the mechanism is transplanted to electric core basis the feedback adjustment of sensor the real-time position of clamping jaw centre gripping electricity core.
The soft-package battery tab welding system further comprises a tab feeding mechanism comprising a feeding manipulator and a pole plate butt joint arm,
the feeding manipulator comprises a second Y-axis linear module and a second X-axis linear module which are arranged at a right angle, the second Y-axis linear module is slidably mounted on the second X-axis linear module, a floating plate capable of moving up and down is slidably mounted on the second Y-axis linear module, the floating plate is provided with a hollow cavity, the hollow cavity is matched with the appearance of the polar plate, and an air tap is mounted in the hollow cavity;
polar plate butt joint arm includes linear guide and slidable mounting and is in butt joint pole on the linear guide, the butt joint pole with install the first power spare that can the up-and-down motion between linear guide's the slider, free end one side of butt joint pole have the appearance with the boss of cavity looks adaptation goes, the absorption hole has on the boss, polar plate butt joint arm with the transmission of polar plate is accomplished to material loading manipulator.
As above laminate polymer battery utmost point ear welding system, furtherly, cutting mechanism has last blade, bottom knife, goes up briquetting and briquetting down, go up the briquetting with relative setting up just from top to bottom down of briquetting go up the briquetting with arbitrary or simultaneous relative motion of briquetting down is with the centre gripping electric core, go up the blade with relative setting of staggering from top to bottom of bottom knife, go up the blade with arbitrary or simultaneous relative motion of bottom knife is in order to cut out electric core.
As above laminate polymer battery utmost point ear welding system, furtherly, still include the polar plate feed bin, set up on the polar plate feed bin a plurality of with the recess of the appearance looks adaptation of polar plate, placed on the recess the polar plate, material loading manipulator follows absorb the polar plate on the polar plate.
According to the soft package battery tab welding system, the air nozzle is connected to the hollow cavity of the floating plate through the quick connector, and the air pipe where the air nozzle is located is further connected with the filter.
The soft-package battery tab welding system is characterized in that the floating plate is mounted on the sliding block of the second Y-axis linear module through a fixing piece, the tail end of the fixing piece is connected with a fixing plate, and the fixing plate is connected with the floating plate through a guide rod sleeved with a spring.
The soft-package battery tab welding system further comprises a pressure gauge arranged on the pole plate butt joint arm, and the pressure gauge is used for displaying the current air pressure.
The soft package battery tab welding system further comprises an upper clamping piece and a lower clamping piece, wherein the upper clamping piece and the lower clamping piece are driven by a second power piece to move towards or away from each other so as to clamp or release the battery cell.
As above laminate polymer battery utmost point ear welding system, furtherly, weld the mechanism in advance the cutting mechanism with all install first sensor, second sensor and third sensor in the final welding mechanism, first sensor, second sensor and third sensor are the right angle and arrange, and the sensor that is located on this two right-angle sides of arranging detects the kinematic position precision on first X axle straight line module and the first Y axle straight line module respectively.
According to the soft-package battery tab welding system, further, the first power part and the second power part are any one of an air cylinder, an electric cylinder, a hydraulic cylinder or a lead screw module, and the pre-welding mechanism and the final-welding mechanism are all welded by ultrasonic waves.
Compared with the prior art, the utility model, its beneficial effect lies in:
1. the mechanism at the tail end of the feeding manipulator is provided with a floating rod, so that the butt joint suction nozzle can press the pole plate to remove the adsorption, and meanwhile, the lower surface of the floating plate and the boss and the hollow cavity corresponding to the groove size of the pole plate ensure that the pole plate can be in the hollow cavity after being adsorbed.
2. When the feeding manipulator is transferred with the polar plate butt joint arm, the suction nozzle and the butt joint rod are adsorbed by air pressure, the butt joint rod is provided with mutually matched bosses and a pressure gauge, and the bosses can enable the polar plate to be more accurate in the transfer process and reduce the position deviation;
3. optical fiber sensors are arranged on the pre-welding mechanism, the cutting mechanism and the final welding mechanism, the optical fiber sensors are arranged in a right-angle mode and respectively detect the X direction and the Y direction, the cell transplanting mechanism can cut induction beams when clamping the cell to move slowly, and the moving position of the cell in the XY direction can be corrected through triggering induction, so that accurate alignment of the cell and a polar plate is realized.
Drawings
Fig. 1 is a schematic structural diagram of a tab welding system of a soft-package battery according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a loading manipulator of the embodiment;
fig. 3 is a schematic structural view of the loading robot of the embodiment as viewed from the bottom up;
FIG. 4 is a partial enlarged view of region A of FIG. 3;
FIG. 5 is a schematic structural diagram of a plate according to an embodiment;
FIG. 6 is a schematic structural diagram of a plate docking arm according to an embodiment;
fig. 7 is a schematic structural diagram of the cell transplantation mechanism according to the embodiment;
FIG. 8 is a schematic structural diagram of a sensor arranged at a right angle according to an embodiment;
FIG. 9 is a schematic structural diagram of a cutting mechanism according to an embodiment;
fig. 10 is a side view of a cutting mechanism of an embodiment.
Wherein: 1. a cutting mechanism; 101. an upper blade; 102. a lower blade; 103. pressing the blocks; 104. pressing the block; 105. an electric core; 2. a pre-welding mechanism; 201. a first sensor; 202. a second sensor; 203. a third sensor; 3. a final welding mechanism; 4. A feeding manipulator; 401. a first X-axis linear module; 402. a first Y-axis linear module; 403. a filter; 404. a fixing plate; 405. a floating plate; 406. an air tap; 407. a quick coupling; 5. a polar plate stock bin; 6. prewelding an ultrasonic generator; 7. final welding an ultrasonic generator; 8. a battery cell transplanting mechanism; 802. a clamping jaw; 803. a clamping jaw cylinder; 804. a second Y-axis linear module; 805. a second X-axis linear module; 9. a pole plate butt joint arm; 901. a linear guide rail; 902. a pressure gauge; 903. a cylinder; 904. A docking rod; adsorption holes 904-a.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Example (b):
referring to fig. 1 to 10, a tab welding system for a soft package battery includes a tab feeding mechanism, a pre-welding mechanism 2, a cutting mechanism 1, a final welding mechanism 3 and a battery cell transplanting mechanism 8, in this embodiment, the pre-welding mechanism 2 and the final-welding mechanism 3 are both welded by ultrasonic waves and are respectively and correspondingly provided with a pre-welding ultrasonic generator 6 and a final-welding ultrasonic generator 7, the pre-welding mechanism 2 is used for welding a lug on a battery cell 105 for the first time, the cutting mechanism 1 is used for cutting the lug on the battery cell 105 welded by the pre-welding mechanism 2, the final-welding mechanism 3 is used for welding the cut battery cell 105 and a polar plate for the second time, the polar plate feeding mechanism is used for clamping the polar plate and delivering the polar plate to the final-welding mechanism 3, specifically, the pre-welding of the lug on the battery cell is completed in the pre-welding mechanism 2, and the cutting mechanism 1 is used for trimming the lug on the pre-welded battery cell and welding the polar plate and the lug on the battery cell together in. Mechanism 8 is transplanted to electric core is including being first Y axle sharp module 402 and the sharp module 401 of first X axle that the right angle was arranged, and first Y axle sharp module 402 slidable mounting has clamping jaw 802 on first X axle sharp module 401 and on the sharp module 402 of first Y axle, and clamping jaw 802 centre gripping electric core 105 transmits between prewelding mechanism 2, cutting mechanism 1 and final welding mechanism 3, installs the sensor that is used for detecting clamping jaw 802's kinematic position precision on prewelding mechanism 2, cutting mechanism 1 and the final welding mechanism 3. Specifically, the clamping jaw 802 has an upper jaw and a lower jaw, which are driven by a second power member, in this embodiment, a clamping jaw cylinder 803, to move toward or away from each other to clamp or release the battery cell 105.
The working principle of the soft-package battery tab welding system is as follows: utmost point ear feed mechanism centre gripping polar plate is sent to prewelding mechanism 2, realize carrying out the welding for the first time to electric core 105 at prewelding mechanism 2, then the clamping jaw 802 centre gripping electric core 105 through electric core transplanting mechanism 8 gets into cutting mechanism 1 and revises, then get into final welding mechanism 3 and carry out the welding for the second time with the polar plate through electric core 105 of cutting out, accomplish whole laminate polymer battery utmost point ear welding process, the sensor is arranged in detecting whole welding process, electric core 105 moves position precision when first Y axle sharp module 402 and the transmission of first X axle sharp module 401, in order to guarantee whole welding process's progress.
Further, utmost point ear feed mechanism includes material loading manipulator 4 and polar plate butt joint arm 9, and material loading manipulator 4 is including being the sharp module 804 of second Y axle and the sharp module 805 of second X axle that the right angle was arranged, and the sharp module 804 of second Y axle and the sharp module 805 of second X axle adopt accurate servo lead screw module, and the repeated positioning accuracy is 0.01 mm. The second Y-axis linear module 804 is slidably mounted on the second X-axis linear module 805, the second Y-axis linear module 804 is slidably mounted with a floating plate 405 capable of moving up and down, the lower surface of the floating plate 405 is provided with a boss and a hollow cavity corresponding to the size of the groove of the polar plate bin 5, the hollow cavity is matched with the appearance of the polar plate, an air nozzle 406 is mounted in the hollow cavity, and the second X-axis linear module 805 and the second Y-axis linear module 804 enable the sucked polar plate to realize plane motion. The floating plate 405 is installed on the slider of the second Y-axis linear module 804 through a fixing member, the fixing member is connected at its end with the fixed plate 404, and the fixed plate 404 is connected with the floating plate 405 through a guide rod sleeved with a spring, so that the floating plate 405 can float up and down. The air tap 406 is in threaded connection with the hollow cavity of the floating plate 405 through the quick connector 407, so that the sucked pole plate is also in the cavity of the floating plate 405, the influence of pole plate deviation caused by vibration and other factors is prevented, and the butt joint suction nozzle can be ensured to press the pole plate bin 5 to adsorb. The air pipe where the air nozzle 406 is located is also connected with a filter 403, and the filter 403 is used for filtering dust particles in the air pipe, so that the negative pressure air is cleaner.
Further, still include polar plate feed bin 5, set up a plurality of recesses with the appearance looks adaptation of polar plate on the polar plate feed bin 5, placed the polar plate on the recess, the biggest gap is 0.2mm when it places the polar plate, and the deviation of polar plate on polar plate feed bin 5 is 0.1mm promptly. The feeding mechanical arm 4 sucks the polar plates from the polar plate bin 5, the shape and the size of the groove of the polar plate bin 5 are determined according to the shape and the size of the polar plates, and the groove of the polar plate bin 5 is used for being embedded and matched with the floating plate 405 to finish the sucking operation.
Further, the plate docking arm 9 includes a linear guide 901 and a docking rod 904 slidably mounted on the linear guide 901, a first power member capable of moving up and down is mounted between the docking rod 904 and the slider of the linear guide 901, the first power member is an air cylinder 903 in this embodiment, and the air cylinder 903 can lift the docking rod 904 up and down to dock the plate. The free end of the docking rod 904 has a boss on one side that is shaped and sized to fit the hollow cavity to facilitate docking and prevent pole plate misalignment. The lug boss is provided with a plurality of adsorption holes 904-a, and the feeding manipulator 4 moves to a proper position after sucking the polar plate and completes the transmission of the polar plate with the polar plate butt joint arm 9. The polar plate butt joint arm 9 is also provided with a pressure gauge 902, the pressure gauge 902 is used for displaying the current air pressure, the polar plate cannot vibrate in the whole material transfer process, and the placed position deviation can be ignored.
Further, the cutting mechanism 1 has an upper blade 101, a lower blade 102, an upper pressing block 103 and a lower pressing block 104, the upper pressing block 103 and the lower pressing block 104 are arranged oppositely in the vertical direction, any one or both of the upper pressing block 103 and the lower pressing block 104 move oppositely to clamp the battery cell 105, the upper blade 101 and the lower blade 102 are arranged oppositely in the vertical direction, and any one or both of the upper blade 101 and the lower blade 102 move oppositely to cut the battery cell 105. After the cell 105 is subjected to pre-welding by the pre-welding mechanism 2, the cell is delivered to the cutting mechanism 1 by the cell transplanting mechanism 8 for cutting, the upper pressing block 103 and the lower pressing block 104 move in opposite directions under the driving of the driving piece to press the cell 105, the blades of the upper blade 101 and the lower blade 102 are staggered by a certain gap, the upper blade 101 and the lower blade 102 move in opposite directions to cut off the redundant place of the cell 105, and the place where the cell 105 needs to be welded is smooth and beautiful.
Further, all install first sensor 201, second sensor 202 and third sensor 203 on prewelding mechanism 2, cutting mechanism 1 and the final welding mechanism 3, first sensor 201, second sensor 202 and third sensor 203 are the right angle and arrange, and the sensor that is located on this two right-angle sides of arranging detects the kinematic position precision on first X axle straight line module 401 and the first Y axle straight line module 402 respectively. Taking prewelding mechanism 2 as an example, when cell transplantation mechanism 8 clamps cell 105 and moves to prewelding mechanism 2, the sensor forming a right angle form detects the X direction and the Y direction respectively, cell transplantation mechanism 8 cuts the induction light beam to trigger the induction, and the moving position in the direction of cell 105X, Y is corrected according to the signal fed back by the sensor, so that accurate alignment of cell 105 and the polar plate is realized.
Further, the first power part and the second power part are any one of an air cylinder, an electric cylinder, a hydraulic cylinder or a lead screw module.
The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.
Claims (10)
1. The utility model provides a laminate polymer battery utmost point ear welding system which characterized in that includes:
the prewelding mechanism is used for carrying out primary welding on the electrode lugs on the battery cell;
the cutting mechanism is used for cutting the lug on the battery cell welded by the pre-welding mechanism;
the final welding mechanism is used for carrying out secondary welding on the cut battery cell and the polar plate;
a tab feeding mechanism for clamping the plate and delivering to the final welding mechanism;
mechanism is transplanted to electric core, its including being first Y axle sharp module and the sharp module of first X axle that the right angle was arranged, first Y axle sharp module slidable mounting have the clamping jaw on the sharp module of first X axle and on the sharp module of first Y axle, clamping jaw centre gripping electricity core is in preweld the mechanism tailor the mechanism with transmit between the mechanism eventually, preweld the mechanism tailor the mechanism with it is used for detecting to weld installing in the mechanism eventually the sensor of the kinematic position of clamping jaw, the mechanism is transplanted to electric core basis the feedback adjustment of sensor the real-time position of clamping jaw centre gripping electricity core.
2. The soft-package battery tab welding system according to claim 1, wherein the tab feeding mechanism comprises a feeding manipulator and a pole plate butt-joint arm,
the feeding manipulator comprises a second Y-axis linear module and a second X-axis linear module which are arranged at a right angle, the second Y-axis linear module is slidably mounted on the second X-axis linear module, a floating plate capable of moving up and down is slidably mounted on the second Y-axis linear module, the floating plate is provided with a hollow cavity, the hollow cavity is matched with the appearance of the polar plate, and an air tap is mounted in the hollow cavity;
polar plate butt joint arm includes linear guide and slidable mounting and is in butt joint pole on the linear guide, the butt joint pole with install the first power spare that can the up-and-down motion between linear guide's the slider, free end one side of butt joint pole have the appearance with the boss of cavity looks adaptation goes, the absorption hole has on the boss, polar plate butt joint arm with the transmission of polar plate is accomplished to material loading manipulator.
3. The soft-package battery tab welding system of claim 2, wherein the cutting mechanism comprises an upper blade, a lower blade, an upper pressing block and a lower pressing block, the upper pressing block and the lower pressing block are arranged in a vertically opposite manner, any one of the upper pressing block and the lower pressing block or the upper pressing block and the lower pressing block move in opposite directions to clamp the battery cell, the upper blade and the lower blade are arranged in a vertically opposite staggered manner, and any one of the upper blade and the lower blade or the lower blade moves in opposite directions to cut the battery cell.
4. The soft-package battery tab welding system according to claim 3, further comprising a polar plate bin, wherein a plurality of grooves matched with the appearance of the polar plate are formed in the polar plate bin, the polar plate is placed on the grooves, and the feeding manipulator sucks the polar plate from the polar plate bin.
5. The laminate battery tab welding system of claim 3, wherein the air tap is connected in the hollow cavity of the floating plate through a quick coupling, and a filter is further connected to an air pipe where the air tap is located.
6. The laminate battery tab welding system according to claim 3, wherein the floating plate is mounted on the sliding block of the second Y-axis linear module through a fixing member, the tail end of the fixing member is connected with a fixing plate, and the fixing plate is connected with the floating plate through a guide rod sleeved with a spring.
7. The laminate battery tab welding system of claim 3, wherein the plate butt-joint arm is further provided with a pressure gauge for displaying the current air pressure.
8. The laminate battery tab welding system of claim 3, wherein the clamping jaw has an upper jaw and a lower jaw, the upper jaw and the lower jaw being driven by a second power member to move toward or away from each other to clamp or release the cell.
9. The laminate polymer battery tab welding system according to claim 3, wherein the pre-welding mechanism, the cutting mechanism and the final welding mechanism are all provided with a first sensor, a second sensor and a third sensor, the first sensor, the second sensor and the third sensor are arranged in a right angle, and the sensors on two right-angle sides of the arrangement respectively detect the movement position accuracy of the first X-axis linear module and the first Y-axis linear module.
10. The laminate battery tab welding system of claim 8, wherein the first power member and the second power member are any one of a cylinder, an electric cylinder, a hydraulic cylinder or a lead screw module, and the pre-welding mechanism and the final-welding mechanism are both ultrasonically welded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020409776.XU CN212071062U (en) | 2020-03-26 | 2020-03-26 | Laminate polymer battery utmost point ear welding system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020409776.XU CN212071062U (en) | 2020-03-26 | 2020-03-26 | Laminate polymer battery utmost point ear welding system |
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| Publication Number | Publication Date |
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| CN212071062U true CN212071062U (en) | 2020-12-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020409776.XU Active CN212071062U (en) | 2020-03-26 | 2020-03-26 | Laminate polymer battery utmost point ear welding system |
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| CN (1) | CN212071062U (en) |
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- 2020-03-26 CN CN202020409776.XU patent/CN212071062U/en active Active
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