CN220240301U

CN220240301U - Ultrasonic welding equipment for battery cell electrode lugs

Info

Publication number: CN220240301U
Application number: CN202321261608.0U
Authority: CN
Inventors: 杨应军; 梁伟广; 邹爽; 廖鹏程; 王均; 陶娇兰; 余佛俊; 张锐; 成灿
Original assignee: Guangdong Dongbo Intelligent Equipment Co ltd
Current assignee: Guangdong Dongbo Intelligent Equipment Co ltd
Priority date: 2023-05-24
Filing date: 2023-05-24
Publication date: 2023-12-26
Anticipated expiration: 2033-05-24

Abstract

The utility model discloses an ultrasonic welding device for a battery cell tab, which comprises a foil feeding mechanism, a foil cutting mechanism, a foil clamping and transplanting mechanism, a foil positioning transfer mechanism, a foil clamping and welding mechanism, an ultrasonic welding device and a welding base, wherein the ultrasonic welding device comprises a welding head, the welding head is positioned right above the welding base, the foil positioning transfer mechanism comprises a foil receiving platform, a yielding groove is arranged in the length direction of the foil receiving platform, and a foil clamping groove is arranged in the width direction of the foil receiving platform. The foil can be accurately clamped, welding deviation is prevented, and welding precision is improved.

Description

Ultrasonic welding equipment for battery cell electrode lugs

Technical Field

The utility model relates to manufacturing equipment of a small square battery, in particular to ultrasonic welding equipment for electrode lugs of an electric core.

Background

The small square battery is applied to small electronic equipment, such as electronic glasses, watches and other electronic products due to small size. In the production and manufacturing process of the small square battery, the foil is required to be welded on the positive and negative lugs of the battery core, but the foil welded by the small square battery is small in size and short in length and is thinner, and the foil is easy to deviate in position when being positioned and taken by a manipulator, so that the problems of welding position deviation and the like are solved.

Disclosure of Invention

In order to overcome the defects in the prior art, the utility model aims to provide the ultrasonic welding equipment for the battery cell tab. The welding equipment has the functions of foil feeding, cutting, positioning, welding, cleaning and the like. The foil can be accurately clamped, welding deviation is prevented, and welding precision is improved.

The aim of the utility model is achieved by the following technical scheme: the utility model provides an electric core tab ultrasonic welding equipment, includes foil feeding mechanism, foil cutting mechanism, foil clamp and get transplanting mechanism, foil location transfer mechanism, foil centre gripping welding mechanism, ultrasonic welding equipment and welding base, ultrasonic welding equipment includes the bonding tool, the bonding tool is located directly over the welding base, foil feeding mechanism clamp draws the foil to the length of cutting the foil cutting mechanism fixed length cuts off the foil, foil clamp get transplanting mechanism clamp get cut foil after and transplant to the get position of foil location transfer mechanism, the CCD camera is in the get position of foil location transfer mechanism is taken a photograph and is confirmed the position, foil location transfer mechanism receives the foil from getting the position, and moves the foil to foil centre gripping welding mechanism's get position, foil centre gripping welding mechanism presss from both sides the foil, and moves the foil to welding base's top, ultrasonic welding equipment control bonding tool pushes down, will weld together with electric core tab. The foil positioning transfer mechanism has a positioning effect on the foil, the foil clamping groove and the yielding groove are utilized, two clamping plates on the foil clamping and transplanting mechanism can be embedded along the yielding groove, the foil can be just horizontally placed on the foil clamping groove to be positioned, one end of the foil stretches out, clamping is convenient, when welding, the foil does not need to be turned over again, the foil can be clamped in real time when the foil clamping and welding mechanism is used for welding the foil again, and the foil can be clamped until the welding is completed and is not deviated when the foil is welded.

As an improvement of the battery cell tab ultrasonic welding equipment, the foil positioning and transferring mechanism comprises a foil receiving platform, a yielding groove is formed in the length direction of the foil receiving platform, a foil clamping groove is formed in the width direction of the foil receiving platform, a connecting block is arranged at the bottom of the foil receiving platform, the connecting block is connected to a mounting plate through a sliding rail and a sliding block, a guide rod penetrates through the connecting block, a pre-tightening piece is arranged on the guide rod, the pre-tightening piece is a spring, the mounting plate is controlled to lift by a lifting cylinder, the lifting cylinder is arranged on a cylinder mounting plate, the bottom of the cylinder mounting plate is connected to an angle adjusting turntable, the angle adjusting turntable is controlled to rotate by an angle adjusting motor, the angle adjusting motor is arranged on a traversing slide plate, the slide plate is controlled to move by a traversing servo module, and the traversing servo module is controlled to move by a traversing Y-axis servo module. The foil positioning transfer mechanism has the functions of transplanting transfer, positioning, foil position adjustment and the like, and the angle adjustment power generator can control the angle adjustment turntable to adjust the angle, so that the foil placement position is better and more accurate.

As an improvement of the ultrasonic welding equipment for the battery cell electrode lugs, the foil clamping and transplanting mechanism comprises a transverse clamping cylinder, the transverse clamping cylinder controls two clamping plates to do clamping action, the transverse clamping cylinder is arranged on a cylinder fixing plate, the cylinder fixing plate is controlled to lift by a lifting cylinder, the lifting cylinder is arranged on a lifting cylinder mounting plate, the lifting cylinder mounting plate is arranged on a moving plate, the moving plate is controlled to move by a transplanting servo driving module, the two clamping plates are arranged in an up-down position, the clamping plates positioned below can be embedded in a yielding groove when the foil is placed, and the foil is fixed in the foil clamping groove. The foil clamping and transplanting mechanism is used for clamping the foil from the discharging end of the foil cutting mechanism, two strip-shaped clamping plates are used for clamping the foil, the foil is conveniently placed, the clamping plates can be embedded into the abdication groove, the abdication groove has a limiting and guiding function on the clamping plates, deviation of the positions of the clamping plates when the foil is placed is prevented, and the foil is placed more accurately.

As an improvement of the ultrasonic welding equipment for the battery cell electrode lugs, the foil clamping and welding mechanism comprises a servo module and a sliding plate controlled by the servo module to move, wherein a vertical plate is arranged on the sliding plate, a lifting control cylinder is arranged on the vertical plate and controls a clamping jaw cylinder to lift and move, the clamping jaw cylinder controls two clamping jaws to horizontally grab the foil, the end parts of the clamping jaws are provided with a bending clamping part, the tips of the two bending clamping parts clamp the foil, and the two clamping jaws clamp the foil to be motionless until the foil and the battery cell electrode lugs are welded. The foil clamping and welding mechanism clamps one end of the foil by using the bending clamping part, and the foil cannot be loosened during welding until the foil is welded, so that the foil positioning mechanism has a positioning effect on the foil.

As an improvement of the ultrasonic welding equipment for the battery cell tab, the foil feeding mechanism comprises a feeding servo module and a foil clamping cylinder controlled by the feeding servo module to move, wherein the foil clamping cylinder clamps a foil, and the feeding servo module controls the foil clamping cylinder to move to pull out the foil.

As an improvement of the ultrasonic welding equipment for the battery cell electrode lugs, the ultrasonic welding equipment further comprises a discharging disc, wherein the discharging disc is arranged on a side mounting plate, a plurality of foil fixing guide wheels and a tightness adjusting guide wheel are further arranged on the side mounting plate, the tightness adjusting guide wheel is connected to the side mounting plate through a sliding rail and a sliding block, and the tightness adjusting guide wheel is controlled to move up and down by a tightness adjusting cylinder. The tightness adjusting cylinder can control the upper and lower positions of the tightness adjusting guide wheel and is used for adjusting the tightness of foil conveying.

As an improvement of the ultrasonic welding equipment for the battery cell electrode lugs, the bottom of the side mounting plate is also provided with a roller mounting plate, the roller mounting plate is provided with an upper row of rollers and a lower row of rollers, and foil horizontally passes through the space between the upper row of rollers and the lower row of rollers. The foil can be guided and flattened through the horizontal passage between the two rows of rollers, so that the foil is horizontal when cut, and bending is prevented.

As an improvement of the ultrasonic welding equipment for the battery cell electrode lugs, the foil cutting mechanism comprises a cutting support, a cutting cylinder and a lower cutter template are arranged on the cutting support, the cutting cylinder controls an upper cutter template to move up and down to cut a foil, the foil passes through between the lower cutter template and the upper cutter template, a clamping and positioning cylinder is arranged on the discharging side of the cutting support, the clamping and positioning cylinder controls two clamping blocks to clamp the foil, and the clamping and positioning cylinder clamps the foil when the foil is cut.

As an improvement of the ultrasonic welding equipment for the battery cell electrode lug, the ultrasonic welding equipment further comprises a cleaning mechanism, wherein the cleaning mechanism is arranged on one side of the welding base, the cleaning mechanism comprises an air outlet channel, an air outlet of the air outlet channel is aligned with the upper end of the welding base, the air outlet channel is arranged on an air channel mounting plate, the air channel mounting plate is controlled to move by a position control cylinder, and the position control cylinder is arranged on a cylinder bracket.

As an improvement of the ultrasonic welding equipment for the battery cell electrode lug, the ultrasonic welding equipment further comprises a dust collecting box, wherein the dust collecting box is arranged on a mounting groove, the dust collecting box can be taken out from the mounting groove, the dust collecting box is arranged on the other side of the welding base, the mounting groove is controlled by a cylinder to move in the front-back position, and the air outlet channel blows air to blow dust on the welding base into the dust collecting box for collection.

The utility model has the beneficial effects that: the utility model has the functions of foil feeding, cutting, positioning, welding, cleaning and the like. The foil can be accurately clamped, welding deviation is prevented, and welding precision is improved. The foil positioning transfer mechanism has a positioning effect on the foil, the foil clamping groove and the yielding groove are utilized, two clamping plates on the foil clamping and transplanting mechanism can be embedded along the yielding groove, the foil can be just horizontally placed on the foil clamping groove to be positioned, one end of the foil stretches out, clamping is convenient, when welding, the foil does not need to be turned over again, the foil can be clamped in real time when the foil clamping and welding mechanism clamps the foil again, the foil is loosened until the welding is completed, deflection does not occur when the foil is welded, accurate welding is achieved, and welding quality is improved.

Drawings

FIG. 1 is a perspective view of the present utility model;

FIG. 2 is another directional perspective view of the present utility model;

FIG. 3 is a front view of the present utility model;

FIG. 4 is a block diagram of a foil locating transfer mechanism of the present utility model;

FIG. 5 is a block diagram of a foil clamping and transplanting mechanism of the present utility model;

the reference numerals are: 1. foil feeding mechanism 2, foil cutting mechanism 3, foil clamping transplanting mechanism 4, foil positioning transfer mechanism 5, foil clamping welding mechanism 6, ultrasonic welding equipment 7, welding base 8, CCD camera 9, feeding tray 10, side mounting plate 11, foil fixing guide wheel 12, tightness adjusting guide wheel 13, tightness adjusting cylinder 14, roller mounting plate 15, roller 16, cleaning mechanism 17, dust collecting box 18, mounting groove 21, cutting bracket 22, cutting cylinder 23, lower cutter template 24, upper cutter template 25, clamping positioning cylinder 31, transverse clamping cylinder 32, clamping plate 33, lifting cylinder 34, jacking cylinder mounting plate 35, transplanting servo driving module 41, foil receiving platform 42, giving way groove 43, foil clamping groove 44, connecting block 45, mounting plate 46, guide rod 47, jacking cylinder 48, angle adjusting turntable 49, angle adjusting motor 40, traversing servo module 401, traversing servo module 402, transfer shaft module 52, vertical shaft module 52, clamping jaw support frame 53, clamping jaw air channel 162, air channel 61, air channel 162, air channel 161, air channel 162.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that, in the embodiments of the present utility model, all directional indicators (such as up, down, left, right, front, and rear … …) are merely used to explain the relative positional relationship, movement conditions, and the like between the components in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicators are correspondingly changed.

Furthermore, the description of "first," "second," etc. in this disclosure is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be regarded as not exist and not within the protection scope of the present utility model.

As shown in fig. 1-5, an ultrasonic welding device for a battery cell tab includes a foil feeding mechanism 1, a foil cutting mechanism 2, a foil clamping and transplanting mechanism 3, a foil positioning transfer mechanism 4, a foil clamping and welding mechanism 5, an ultrasonic welding device 6 and a welding base 7, wherein the ultrasonic welding device 6 includes a welding head 61, the welding head 61 is located right above the welding base 7, the foil feeding mechanism 1 clamps the foil and pulls out to a required cutting length, the foil cutting mechanism 2 cuts off the foil at a fixed length, the foil clamping and transplanting mechanism 3 clamps the cut foil and transplants the foil to a material taking position of the foil positioning transfer mechanism 4, a CCD camera 8 photographs the material taking position of the foil positioning transfer mechanism 4 to a determined position, the foil positioning transfer mechanism 4 receives the foil from the material taking position and moves the foil to the material taking position of the foil clamping and welding mechanism 5, the foil clamping and welding mechanism 5 clamps the foil and moves the foil to above the welding base 7, and the ultrasonic welding device 6 controls the welding head 61 to press down and weld the battery cell tab together. The foil positioning transfer mechanism 4 has a positioning effect on the foil, the two clamping plates on the foil clamping and transplanting mechanism can be embedded along the direction of the yielding groove by utilizing the effect of the foil clamping groove and the yielding groove, the foil can be just horizontally placed on the foil clamping groove to be positioned, one end of the foil stretches out, clamping is convenient, when welding, the foil does not need to be turned over again, the foil can be clamped in real time when the foil clamping and welding mechanism is used for welding the foil again, and the foil can be released until the welding is completed, so that the foil can be ensured not to deviate when being welded.

Preferably, the foil positioning transfer mechanism 4 comprises a foil receiving platform 41, a yielding groove 42 is formed in the length direction of the foil receiving platform 41, a foil clamping groove 43 is formed in the width direction of the foil receiving platform 41, a connecting block 44 is arranged at the bottom of the foil receiving platform, the connecting block 44 is connected to a mounting plate 45 through a sliding rail and a sliding block, a guide rod 46 penetrates through the connecting block 44, a pretensioning piece is arranged on the guide rod, the pretensioning piece is a spring, the mounting plate 45 is lifted and lowered under the control of a lifting cylinder 47, the lifting cylinder 47 is arranged on the cylinder mounting plate, the bottom of the cylinder mounting plate is connected to an angle adjusting turntable 48, the angle adjusting turntable 48 is controlled to rotate by an angle adjusting motor 49, the angle adjusting motor 49 is arranged on a transverse sliding plate 40, the transverse sliding plate 40 is controlled to move by a transfer transverse sliding servo module 401, and the transfer transverse sliding servo module 401 is controlled to move by a transfer Y-axis servo module 402. The foil positioning transfer mechanism 4 has the functions of transplanting transfer, positioning, foil position adjustment and the like, and the angle adjustment power generator can control the angle adjustment turntable to adjust the angle, so that the foil placement position is better and more accurate. The transfer traversing servo module 401 and the transfer Y-axis servo module 402 both adopt a servo motor and a screw rod to drive the traversing slide 40.

Preferably, the foil clamping and transplanting mechanism 3 comprises a transverse clamping cylinder 31, the transverse clamping cylinder 31 controls two clamping plates 32 to do clamping action, the transverse clamping cylinder 31 is arranged on a cylinder fixing plate, the cylinder fixing plate is controlled to lift by a lifting cylinder 33, the lifting cylinder 33 is arranged on a lifting cylinder mounting plate 34, the lifting cylinder mounting plate 34 is arranged on a moving plate, the moving plate is controlled to move by a transplanting servo driving module 35, the two clamping plates are arranged at upper and lower positions, and the clamping plates positioned below can be embedded in a yielding groove when placing foils, so that the foils are fixed in the foil clamping groove. The foil clamping and transplanting mechanism is used for clamping the foil from the discharging end of the foil cutting mechanism, two strip-shaped clamping plates are used for clamping the foil, the foil is conveniently placed, the clamping plates can be embedded into the abdication groove, the abdication groove has a limiting and guiding function on the clamping plates, deviation of the positions of the clamping plates when the foil is placed is prevented, and the foil is placed more accurately. The transplanting servo driving module 35 adopts a servo motor and a screw rod to drive the moving plate.

Preferably, the foil clamping and welding mechanism 5 comprises a servo module 51 and a sliding plate controlled to move by the servo module 51, wherein a vertical plate 52 is arranged on the sliding plate, a lifting control cylinder 53 is arranged on the vertical plate 52, a clamping jaw cylinder 54 is controlled to lift by the lifting control cylinder 53, two clamping jaws 55 are controlled to horizontally grab the foil by the clamping jaw cylinder 54, a bending clamping part is arranged at the end part of the clamping jaw 55, the foil is clamped by the tips of the two bending clamping parts, and the two clamping jaws 55 clamp the foil when the foil is welded until the foil and the electrode lug of the battery core are welded. The foil clamping and welding mechanism clamps one end of the foil by using the bending clamping part, and the foil cannot be loosened during welding until the foil is welded, so that the foil positioning mechanism has a positioning effect on the foil.

Preferably, the foil feeding mechanism 1 comprises a feeding servo module and a foil clamping cylinder controlled by the feeding servo module to move, wherein the foil clamping cylinder clamps the foil, and the feeding servo module controls the foil clamping cylinder to move to pull out the foil.

Preferably, the automatic feeding device further comprises a feeding disc 9, wherein the feeding disc 9 is arranged on the side mounting plate 10, a plurality of foil fixing guide wheels 11 and a tightness adjusting guide wheel 12 are further arranged on the side mounting plate 10, the tightness adjusting guide wheel 12 is connected to the side mounting plate 10 through a sliding rail and a sliding block, and the tightness adjusting guide wheel 12 is controlled to move up and down by a tightness adjusting cylinder 13. The tightness adjusting cylinder 13 can control the up-down position of the tightness adjusting guide wheel 12 for adjusting the tightness of the foil conveying.

Preferably, the bottom of the side mounting plate 10 is also provided with a roller mounting plate 14, the roller mounting plate 14 is provided with an upper row of rollers 15 and a lower row of rollers 15, and the foil horizontally passes between the upper row of rollers 15 and the lower row of rollers 15. The foil can be guided and flattened through the horizontal passage between the two rows of rollers, so that the foil is horizontal when cut, and bending is prevented.

Preferably, the foil cutting mechanism 2 comprises a cutting support 21, a cutting cylinder 22 and a lower cutter template 23 are arranged on the cutting support 21, the cutting cylinder 22 controls an upper cutter template 24 to move up and down to cut the foil, the foil passes through between the lower cutter template 23 and the upper cutter template 24, a clamping and positioning cylinder 25 is arranged on the discharging side of the cutting support 21, the clamping and positioning cylinder 25 controls two clamping blocks to clamp the foil, and the clamping and positioning cylinder clamps the foil when the foil is cut.

Preferably, the cleaning mechanism 16 is further included, the cleaning mechanism 16 is arranged on one side of the welding base, the cleaning mechanism 16 comprises an air outlet channel 161, an air outlet of the air outlet channel 161 is aligned with the upper end of the welding base 7, the air outlet channel 161 is arranged on an air duct mounting plate 162, the air duct mounting plate 162 is controlled to move by a position control cylinder 163, and the position control cylinder 163 is arranged on a cylinder bracket 164.

Preferably, the welding machine further comprises a dust collection box 17, the dust collection box 17 is arranged on a mounting groove 18, the dust collection box 17 can be taken out from the mounting groove 18, the dust collection box 17 is arranged on the other side of the welding base 7, the mounting groove 18 is controlled by a cylinder to move in the front-back position, and the air outlet channel 161 blows air to blow dust on the welding base 7 into the dust collection box 17 for collection.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations may be made therein without departing from the principles and structure of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The ultrasonic welding equipment for the battery cell electrode lugs is characterized by comprising a foil feeding mechanism, a foil cutting mechanism, a foil clamping and transplanting mechanism, a foil positioning transfer mechanism, a foil clamping and welding mechanism, ultrasonic welding equipment and a welding base, wherein the ultrasonic welding equipment comprises a welding head, and the welding head is positioned right above the welding base;

the foil positioning and transferring mechanism comprises a foil receiving platform, wherein a yielding groove is formed in the length direction of the foil receiving platform, and a foil clamping groove is formed in the width direction of the foil receiving platform;

the foil clamping and transplanting mechanism comprises a transverse clamping cylinder, the transverse clamping cylinder controls two clamping plates to do clamping action, the transverse clamping cylinder is arranged on a cylinder fixing plate, the cylinder fixing plate is controlled to lift by a lifting cylinder, the lifting cylinder is arranged on a lifting cylinder mounting plate, the lifting cylinder mounting plate is arranged on a moving plate, the moving plate is controlled to move by a transplanting servo driving module, the two clamping plates are arranged at the upper and lower positions, the clamping plates located below can be embedded into a yielding groove when the foil is placed, and the foil is fixed in the foil clamping groove.

2. The ultrasonic welding device for the battery cell tabs according to claim 1, wherein a connecting block is arranged at the bottom of the foil receiving platform, the connecting block is connected to a mounting plate through a sliding rail and a sliding block, a guide rod is arranged on the connecting block in a penetrating manner, a pretensioning piece is arranged on the guide rod, the mounting plate is lifted by a lifting cylinder controlled by the lifting cylinder, the lifting cylinder is arranged on the mounting plate of the cylinder, the bottom of the mounting plate of the cylinder is connected to an angle adjusting turntable, the angle adjusting turntable is controlled to rotate by an angle adjusting motor, the angle adjusting motor is arranged on a transverse sliding plate, the transverse sliding plate is controlled to move by a transverse sliding servo module controlled to move by a Y-axis servo module.

3. The ultrasonic welding equipment for the battery cell tabs according to claim 1, wherein the foil clamping and welding mechanism comprises a servo module and a sliding plate controlled to move by the servo module, a vertical plate is arranged on the sliding plate, a lifting control cylinder is arranged on the vertical plate and controls a clamping jaw cylinder to lift and move, the clamping jaw cylinder controls two clamping jaws to horizontally clamp the foil, the end parts of the clamping jaws are provided with a bending clamping part, the tips of the two bending clamping parts clamp the foil, and the two clamping jaws clamp the foil to be motionless when the foil is welded until the foil and the battery cell tabs are welded.

4. The ultrasonic welding device for the battery cell tabs according to claim 1, wherein the foil feeding mechanism comprises a feeding servo module and a foil clamping cylinder controlled by the feeding servo module to move, the foil clamping cylinder clamps the foil, and the feeding servo module controls the foil clamping cylinder to move to pull out the foil.

5. The ultrasonic welding device for battery cell tabs according to claim 4, further comprising a discharging tray, wherein the discharging tray is arranged on the side mounting plate, a plurality of foil fixing guide wheels and a tightness adjusting guide wheel are further arranged on the side mounting plate, the tightness adjusting guide wheel is connected to the side mounting plate through a sliding rail and a sliding block, and the tightness adjusting guide wheel is controlled to move up and down by a tightness adjusting cylinder.

6. The ultrasonic welding device for the battery cell tabs according to claim 5, wherein the bottom of the side mounting plate is further provided with a roller mounting plate, the roller mounting plate is provided with an upper row of rollers and a lower row of rollers, and the foil horizontally passes between the upper row of rollers and the lower row of rollers.

7. The ultrasonic welding device for the battery cell tabs according to claim 1, wherein the foil cutting mechanism comprises a cutting support, a cutting cylinder and a lower cutter template are arranged on the cutting support, the cutting cylinder controls the upper cutter template to move up and down to cut the foil, the foil passes through between the lower cutter template and the upper cutter template, a clamping and positioning cylinder is arranged on the discharging side of the cutting support, the clamping and positioning cylinder controls two clamping blocks to clamp the foil, and the clamping and positioning cylinder clamps the foil when the foil is cut.

8. The ultrasonic welding apparatus of claim 1, further comprising a cleaning mechanism disposed on one side of the welding base, the cleaning mechanism comprising an air outlet channel, an air outlet of the air outlet channel being aligned with an upper end of the welding base, the air outlet channel being disposed on an air duct mounting plate that is controlled to move by a position control cylinder disposed on the cylinder bracket.

9. The ultrasonic welding apparatus for battery cell tabs according to claim 8, further comprising a dust collection box provided on a mounting groove from which the dust collection box can be taken out, the dust collection box being provided on the other side of the welding base, the mounting groove being moved in a front-rear position controlled by a cylinder, the air outlet passage blowing air blows dust on the welding base into the dust collection box for collection.