Lithium battery formation plug inserting mechanism

Abstract

The utility model relates to the technical field of lithium battery liquid injection and formation, and particularly discloses a lithium battery insertion and formation plug mechanism which comprises a rack and a pin insertion module movably arranged on the rack, the pin inserting module comprises a bottom frame, a supporting seat movably arranged on the bottom frame, a lifting air cylinder arranged on the supporting seat and a pin inserting assembly arranged on the supporting seat, an output shaft of the lifting air cylinder is connected with the bottom frame, and the pin inserting assembly comprises a rotating motor and a clamping nozzle connected with the rotating output end of the rotating motor; the clamping nozzle grabs the formation plug, the lifting air cylinder drives the clamping nozzle to clamp the formation plug to be close to an external lithium battery, the rotating motor drives the clamping nozzle to rotate, and the clamping nozzle drives the formation plug to be rotationally inserted into the external lithium battery. According to the utility model, the formation plug is changed from a traditional direct insertion type to a screw-in type through the rotating motor, so that the formation plug is ensured to be inserted in order, firmly and in place, the sealing performance and the qualification rate of insertion between the formation plug and the lithium battery are effectively improved, external moisture is isolated, and the quality of the lithium battery is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to lithium battery liquid injection formation technical field especially discloses a lithium battery plug formation plug mechanism. BACKGROUND

[0002] At present, with the increase of various production costs, the rapid development of consumer products such as electric bicycles and electric vehicles, high-performance power supply has increasingly become the focus of attention of people, and lithium ion batteries have the advantages of high and stable working voltage, no pollution, long cycle life, good safety and the like, and become one of the best choices, with the rapid increase of the use amount of lithium ion batteries, the equipment for battery manufacturing develops rapidly, and the production of high-quality lithium ion batteries promotes various manufacturers to continuously increase the investment and control the production process level. Water content is strictly controlled as one of the indicators.

[0003] If the liquid injection process is completed, the battery liquid injection port is not sealed, and is not sealed until it is welded and sealed by an aluminum nail, and is exposed to air for dozens of hours, even if dry and dehumidified air is used, the energy consumption is very large, so a glue nail is needed to plug the liquid injection port.

[0004] However, the existing battery plug nail work is mostly manually inserted, or the nail is directly inserted into the battery sealing port by clamping the nail with a clamp cylinder, which not only reduces the efficiency of the plug nail, but also makes the battery plug nail unstable, causing the plug nail to be loose, skewed and uneven. INVENTION CONTENTS

[0005] In order to overcome the shortcomings and deficiencies in the prior art, the purpose of the utility model is to provide a lithium battery plug formation plug mechanism with automatic plug formation plug and good plug nail effect.

[0006] In order to achieve the above-mentioned purpose, the lithium battery plug formation plug mechanism of the utility model comprises a rack, a plug nail module movably arranged on the rack; the plug nail module comprises a chassis, a supporting seat movably arranged on the chassis, a lifting cylinder arranged on the supporting seat and a plug nail assembly arranged on the supporting seat, the output shaft of the lifting cylinder is connected with the chassis, the plug nail assembly comprises a rotary motor and a clamp mouth connected with the rotary output end of the rotary motor; the clamp mouth grabs the formation plug, the lifting cylinder drives the clamp mouth to hold the formation plug close to the external lithium battery, the rotary motor drives the clamp mouth to rotate, and the clamp mouth drives the formation plug to rotate and insert into the external lithium battery. The utility model improves the formation plug from the traditional direct insertion type to the rotary type by the rotary motor, ensures the insertion of the formation plug to be neat, fastened and in place, effectively improves the sealing performance and the qualification rate of the plug formation plug and the lithium battery, isolates the external moisture, and improves the quality of the lithium battery.

[0007] Further, the plug-in assembly further comprises a transmission assembly, the transmission assembly is rotationally arranged on the support seat, the clamping mouth is connected with the output shaft of the rotary motor via the transmission assembly, the transmission assembly comprises a first transmission wheel, a second transmission wheel and a transmission shaft, the transmission shaft is rotationally arranged on the support seat, the clamping mouth is arranged on the transmission shaft, the first transmission wheel is mounted on the output shaft of the rotary motor, the second transmission wheel is mounted on the transmission shaft, and the first transmission wheel is engaged with or connected with the second transmission wheel via a synchronous belt. By arranging the transmission assembly, the clamping mouth and the rotary motor are connected in a soft manner. When resistance is encountered during the rotation of the formation plug, the rotary motor is not directly damaged, and at the same time, the transmission assembly can uniformly transmit the rotary torque, thereby ensuring the reliability of the plug-in operation.

[0008] Further, the clamping mouth is provided in two groups, the transmission shaft is provided in two groups, and the two groups of clamping mouths and the two groups of transmission shafts are in one-to-one correspondence. The design of the double groups of clamping mouths and transmission shafts improves the working efficiency of the equipment.

[0009] Further, the plug-in assembly is provided in two groups, and the two groups of plug-in assemblies are arranged at two ends of the support seat. Simultaneous operation of the two groups of plug-in assemblies can further improve the production efficiency and reduce the single operation time.

[0010] Further, the support seat is provided with an installation sensor for detecting that the formation plug is installed in place and a plug taking sensor for detecting that the formation plug is successfully taken. The sensor can monitor the installation and plug taking of the formation plug in real time, ensure the accuracy of the operation, improve the reliability of the equipment, and avoid errors caused by the sensor not being detected in place.

[0011] Further, the lithium battery plug formation plug mechanism further comprises a plug divider arranged on the rack and a feeding module for conveying the formation plug to the plug divider, the feeding module comprises a vibrating disc and a discharge pipe, the vibrating disc is used for screening the formation plug and conveying the formation plug to the plug divider, the discharge port of the vibrating disc is matched with one end of the discharge pipe, and the other end of the discharge pipe is matched with the plug divider. The automatic feeding and plug dividing function greatly reduces the manual intervention and improves the production efficiency, and the design of the plug divider ensures that the formation plug is accurately put in order, thereby improving the stability of the plug-in.

[0012] Further, the plug divider comprises a fixed support, a rotating disc arranged on the fixed support and a driving motor, the output shaft of the driving motor is connected with the rotating disc, the upper end surface of the rotating disc is provided with a plurality of material position grooves, the plurality of material position grooves are arranged in a circumferential array around the center of the rotating disc, and the feeding module transports the formation plugs in a single column and interval to the material position grooves. The plug-in module can clamp and press a plurality of formation plugs at the same time, the rotating disc continues to rotate after taking the material, the feeding is circulated, the machine is avoided from stopping and waiting, the material is divided and taken, and the production efficiency is improved.

[0013] Further, the rack is provided with a linear guide rail, the plug-in nail module is arranged on the rack through the linear guide rail, and a moving motor is arranged on the rack and used for driving the plug-in nail module to move between the outer lithium battery and the nail splitter.

[0014] Further, the rotary motor is provided with an encoder, the encoder is used for feeding back the torsion of the rotary motor, so that whether the formation plug encounters resistance in rotation is determined, and then whether the formation plug is completely inserted into the lithium battery can be determined, and in addition, whether the rotation needs to be stopped to protect the rotary motor, the transmission assembly and the clamp mouth can be determined according to the feedback of the torsion.

[0015] Further, the driving end of the clamp mouth is detachably provided with a clamping block, and a profiling groove is arranged in the contact area of the clamping block and the formation plug. The size of the clamping block can be determined according to the size of the formation plug to be clamped, that is, different clamping blocks can be replaced according to formation plugs of different sizes to improve compatibility. The profiling groove plays a role in limiting the formation plug when clamping the formation plug, so that the clamping block can accurately clamp the formation plug. On the other hand, the profiling groove can prevent the formation plug from moving when the formation plug is inserted into the lithium battery, thereby improving the success rate of inserting the formation plug into the lithium battery.

[0016] The utility model discloses the beneficial effects: the utility model discloses a rotary motor makes formation plug by traditional direct insertion type improvement for spin in type, guarantee formation plug's insertion neat, fastening, in place, effectively improve formation plug and lithium battery plug -in integration's leakproofness and qualified rate, insulate the moisture of outside world, improve lithium battery quality;

[0017] By setting the transmission assembly, the clamp mouth and the rotary motor are connected in a soft manner. When the formation plug encounters resistance during rotation, the rotary motor is not damaged directly. At the same time, the transmission assembly can uniformly transmit the rotary torque, thereby ensuring the reliability of the plug-in operation.

[0018] The design of the double sets of clamp mouths and transmission shafts improves the working efficiency of the equipment. At the same time, operating two plug-in nail assemblies can further improve the production efficiency and reduce the single operation time.

[0019] The sensor can monitor the installation and nail taking of the formation plug in real time, ensure the accuracy of the operation, improve the reliability of the equipment, and avoid errors caused by the fact that the sensor does not detect in place. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a structure schematic view of a lithium battery plug formation plug mechanism of the utility model;

[0021] Figure 2 It is a structure schematic view of a plug-in nail module of the utility model;

[0022] Figure 3 It is an exploded view of a plug-in nail assembly of the utility model;

[0023] Figure 4 It is a structure schematic view of the nail distributor of the utility model;

[0024] Figure 5 It is Figure 3 The local schematic view of A.

[0025] The reference signs include:

[0026] 1, rack;2, nail inserting module;3, base frame;4, lifting cylinder;5, support seat;6, nail inserting assembly;7, rotary motor;8, clamping nozzle;9, transmission assembly;10, first transmission wheel;11, second transmission wheel;12, transmission shaft;13, nail distributor;14, feeding module;15, vibrating disc;16, discharge pipe;17, fixed support;18, rotary disc;19, driving motor;20, material level sink;21, linear guide rail;22, moving motor;23, encoder;24, clamping block;25, profiling groove. DETAILED DESCRIPTION

[0027] In order to further illustrate the technical means and effects adopted by the utility model to achieve the predetermined utility model purposes, the specific embodiments, structures, features and effects according to the utility model are described in detail as follows in combination with the drawings and preferred embodiments.

[0028] Please refer to Figures 1 to 5 The utility model discloses a lithium battery plug-in formation plug mechanism, including rack 1, the nail inserting module 2 of movable setting on rack 1;The nail inserting module 2 includes base frame 3, movable setting on base frame 3 support seat 5, setting on support seat 5 lifting cylinder 4 and setting on support seat 5 nail inserting assembly 6, the output shaft of lifting cylinder 4 is connected with base frame 3, the nail inserting assembly 6 includes rotary motor 7 and the clamping nozzle 8 of rotary output end connection of rotary motor 7;Clamping nozzle 8 grabs formation plug, lifting cylinder 4 drives clamping nozzle 8 and holds formation plug close to external lithium battery, rotary motor 7 drives clamping nozzle 8 to rotate, and clamping nozzle 8 drives formation plug to make formation plug rotate and insert external lithium battery.The utility model discloses through rotary motor 7 makes formation plug by traditional direct insertion type to improve for spin-in type, guarantees the insertion of formation plug neat, fastening, in place, effectively improves the sealing property and qualified rate of formation plug and lithium battery plug-in, and the moisture of external world is isolated, and the quality of lithium battery is improved.

[0029] The plug-in assembly 6 further comprises a transmission assembly 9 rotatably arranged on the support base 5, the clamping mouth 8 is connected with the output shaft of the rotary motor 7 via the transmission assembly 9, the transmission assembly 9 comprises a first transmission wheel 10, a second transmission wheel 11 and a transmission shaft 12, the transmission shaft 12 is rotatably arranged on the support base 5, the clamping mouth 8 is arranged on the transmission shaft 12, the first transmission wheel 10 is installed on the output shaft of the rotary motor 7, the second transmission wheel 11 is installed on the transmission shaft 12, and the first transmission wheel 10 is engaged with or connected with the second transmission wheel 11 via a synchronous belt. By arranging the transmission assembly 9, the clamping mouth 8 and the rotary motor 7 are connected in a soft manner, so that the rotary motor 7 is not directly damaged when resistance is encountered during the rotation of the formation plug, and at the same time, the transmission assembly 9 can uniformly transmit the rotary torque, thereby ensuring the reliability of the plug-in operation.

[0030] Specifically, in the embodiment, the first transmission wheel 10 and the second transmission wheel 11 are connected via a synchronous belt.

[0031] The clamping mouth 8 is provided in two groups, the transmission shaft 12 is provided in two groups, and the two groups of clamping mouths 8 correspond to the two groups of transmission shafts 12 one by one. The design of the double groups of clamping mouths 8 and transmission shafts 12 improves the working efficiency of the equipment.

[0032] The plug-in assembly 6 is provided in two groups, and the two groups of plug-in assemblies 6 are arranged at two ends of the support base 5. Simultaneous operation of the two groups of plug-in assemblies 6 can further improve the production efficiency and reduce the single operation time.

[0033] The support base 5 is provided with an installation sensor for detecting that the formation plug is installed in place and a plug taking sensor for detecting that the formation plug is successfully taken. The sensor can monitor the installation and plug taking of the formation plug in real time, ensure the accuracy of the operation, improve the reliability of the equipment, and avoid errors caused by the sensor not being detected in place.

[0034] The lithium battery plug formation plug mechanism further comprises a plug divider 13 arranged on the rack 1 and a feeding module 14 for conveying the formation plug to the plug divider 13, the feeding module 14 comprises a vibrating disc 15 and a discharge pipe 16, the vibrating disc 15 is used for screening the formation plug and conveying the formation plug to the plug divider 13, the discharge port of the vibrating disc 15 is matched with one end of the discharge pipe 16, and the other end of the discharge pipe 16 is matched with the plug divider 13. The automatic feeding and plug dividing function greatly reduces the manual intervention and improves the production efficiency, and the design of the plug divider 13 ensures that the formation plug is accurately put in order, thereby improving the stability of the plug-in.

[0035] The nail distributor 13 comprises a fixed support 17, a rotating disc 18 and a driving motor 19 arranged on the fixed support 17, the output shaft of the driving motor 19 is connected with the rotating disc 18, the upper end surface of the rotating disc 18 is provided with a plurality of material position grooves 20, the plurality of material position grooves 20 are arranged in a circular array around the center of the rotating disc 18, and the feeding module 14 transports the formed plugs in a single column interval to the material position grooves 20. The plug inserting module 2 can synchronously clamp and press the formed plugs in multiple at one time, the rotating disc 18 continues to rotate after taking the material, and the feeding is circulated, so that the machine stops waiting is avoided, the distribution and taking of the formed plugs are realized, and the production efficiency is improved.

[0036] The rack 1 is provided with a linear guide rail 21, the plug inserting module 2 is arranged on the rack 1 through the linear guide rail 21, the rack 1 is provided with a moving motor 22, and the moving motor 22 is used for driving the plug inserting module 2 to move between the outer lithium battery and the nail distributor 13.

[0037] The rotating motor 7 is provided with an encoder 23, the encoder 23 is used for feeding back the torsion of the rotating motor 7, so as to determine whether the formed plug encounters resistance in rotation, and then it can be judged whether the formed plug is completely inserted into the lithium battery, and in addition, the feedback of the torsion can judge whether the rotation needs to be stopped to protect the rotating motor 7, the transmission assembly 9 and the clamp mouth 8 and the like.

[0038] The driving end of the clamp mouth 8 is detachably provided with a clamp block 24, and the contact area of the clamp block 24 with the formed plug is provided with a profiling groove 25. The size of the clamp block 24 can be determined according to the size of the formed plug to be clamped, that is, different clamp blocks 24 can be replaced according to formed plugs of different sizes, so as to improve the compatibility. The profiling groove 25 plays a role in limiting the formed plug when clamping the formed plug, so that the clamp block 24 can accurately clamp the formed plug, on the other hand, when the formed plug is inserted into the lithium battery, the profiling groove 25 can prevent the formed plug from moving, and the success rate of inserting the formed plug into the lithium battery is improved.

[0039] In the embodiment, the lithium battery reaches the working position, the device ensures that the lithium battery is accurately placed in the working area of the plug-in module 2 through the positioning device, usually uses a positioning clamp or a mechanical arm to fix the battery core to prevent displacement of the battery during subsequent operations, the clamp jaw 8 of the plug-in module 2 is lowered to the predetermined position of the lithium battery by the lifting cylinder 4, and is ready to contact the liquid injection hole of the lithium battery, during the landing process, the clamp jaw 8 needs to ensure alignment with the liquid injection hole of the lithium battery, the clamp jaw 8 is driven to start rotating by the rotary motor 7; the rotating action enables the formation plug to be more smoothly and accurately inserted into the liquid injection hole of the lithium battery, the rotary plug not only ensures that the formation plug is inserted at a correct angle, but also reduces friction during insertion, avoids damage to the lithium battery, after the plug-in is completed, the plug-in module 2 is raised, the clamp jaw 8 releases the formation plug, and is ready for the next round of operation; the device is provided with a sensor to detect whether the formation plug is correctly installed, to ensure that the quality of the formation plug meets the requirements, if an unqualified formation plug is found, the system will immediately trigger an alarm and mark it as an NG product for processing; the moving motor 22 drives the plug-in module 2 to move above the plug distributor 13, the vibration disc 15 starts to work, screens and transports the formation plug to the plug distributor 13 through the discharge pipe 16, the material level sink groove 20 of the rotary disc 18 is designed to ensure that the formation plug enters the designated position at a certain interval, the clamp jaw 8 of the plug-in module 2 is lowered and accurately grabs the formation plug by the lifting cylinder 4, and whether the plug head successfully grabs the formation plug is judged by a sensor or a visual detection system. If the plug is successfully taken, the subsequent plug-in operation continues; if it fails, re-grabbing or alarm prompt is needed, after the plug is taken, the plug-in module 2 is raised again to prepare for the next operation.

[0040] The above is only a preferred embodiment of the present application, and does not limit the present application in any form. Although the present application has been disclosed as above with a preferred embodiment, it is not intended to limit the present application. Any person skilled in the art can make some changes or modifications to the above disclosed technical content to obtain equivalent embodiments with equivalent changes, without departing from the technical solution of the present application. Any modification, equivalent change and modification of the above embodiment, which does not depart from the technical solution of the present application, is still within the scope of the technical solution of the present application.

Claims

1. A lithium battery plug-in plugging mechanism, comprising a frame (1), a plug-in module (2) movably arranged on the frame (1); characterized in that: The plug-in module (2) comprises a chassis (3), a support seat (5) movably arranged on the chassis (3), a lifting cylinder (4) arranged on the support seat (5), and a plug-in assembly (6) arranged on the support seat (5), the output shaft of the lifting cylinder (4) is connected with the chassis (3), the plug-in assembly (6) comprises a rotary motor (7) and a clamp nozzle (8) connected with the rotary output end of the rotary motor (7); the clamp nozzle (8) grabs the formed plug, the lifting cylinder (4) drives the clamp nozzle (8) to clamp the formed plug to approach the external lithium battery, the rotary motor (7) drives the clamp nozzle (8) to rotate, and the clamp nozzle (8) drives the formed plug to rotate and insert into the external lithium battery.

2. A lithium battery plug-in formation plug mechanism according to claim 1, characterized in that: The plug-in assembly (6) further comprises a transmission assembly (9), the transmission assembly (9) is rotatably arranged on the support seat (5), the clamp nozzle (8) is connected with the output shaft of the rotary motor (7) through the transmission assembly (9), the transmission assembly (9) comprises a first transmission wheel (10), a second transmission wheel (11) and a transmission shaft (12), the transmission shaft (12) is rotatably arranged on the support seat (5), the clamp nozzle (8) is arranged on the transmission shaft (12), the first transmission wheel (10) is mounted on the output shaft of the rotary motor (7), the second transmission wheel (11) is mounted on the transmission shaft (12), and the first transmission wheel (10) is engaged with or connected with the second transmission wheel (11) through a synchronous belt.

3. A lithium battery plug-formation mechanism according to claim 2, characterized in that: The clamp nozzle (8) is provided with two groups, the transmission shaft (12) is provided with two groups, and the two groups of clamp nozzles (8) correspond to the two groups of transmission shafts (12) one by one.

4. A lithium battery plug-in formation plug mechanism according to claim 1, characterized in that: The plug-in assembly (6) is provided with two groups, and the two groups of plug-in assemblies (6) are arranged at two ends of the support seat (5) respectively.

5. A lithium battery plug-in formation plug mechanism according to claim 1, characterized in that: The support seat (5) is provided with an installation sensor for detecting that the formed plug is installed in place and a plug taking sensor for detecting that the plug taking of the formed plug is successful.

6. A lithium battery plug-in formation plug mechanism according to claim 1, characterized in that: The lithium battery plug-formed plug mechanism further comprises a plug divider (13) arranged on the rack (1) and a feeding module (14) for conveying the formed plug to the plug divider (13), the feeding module (14) comprises a vibrating disc (15) and a discharge pipe (16), the vibrating disc (15) is used for screening the formed plug and conveying the formed plug to the plug divider (13), a discharge port of the vibrating disc (15) is matched with one end of the discharge pipe (16), and the other end of the discharge pipe (16) is matched with the plug divider (13).

7. A lithium battery plug-in formation plug mechanism according to claim 6, characterized in that: The plug divider (13) comprises a fixed support (17), a rotary disc (18) arranged on the fixed support (17) and a driving motor (19), the output shaft of the driving motor (19) is connected with the rotary disc (18) through a cam divider, the upper end surface of the rotary disc (18) is provided with a plurality of material position grooves (20), the plurality of material position grooves (20) are arranged in a circumferential array around the center of the rotary disc (18), and the feeding module (14) transports the formed plugs to the material position grooves (20) in a single column and interval.

8. A lithium battery plug-in formation plug mechanism according to claim 6, characterized in that: The rack (1) is provided with a linear guide rail (21), the plug-in module (2) is slidably arranged on the rack (1) through the linear guide rail (21), the rack (1) is provided with a moving motor (22), and the moving motor (22) is used for driving the plug-in module (2) to move between the external lithium battery and the plug divider (13).

9. A lithium battery plug-in formation plug mechanism according to claim 1, characterized in that: The rotary motor (7) is provided with an encoder (23) for feeding back the torque of the rotary motor (7).

10. A lithium battery plug-in formation plug mechanism according to claim 1, characterized in that: The driving end of the clamping nozzle (8) is detachably provided with a clamping block (24), and the clamping block (24) is provided with a profiling groove (25) in the contact area of the formation plug.

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