CN113601002A

CN113601002A - Burr-free lug ultrasonic welding equipment with battery diaphragm protection capability

Info

Publication number: CN113601002A
Application number: CN202110929068.8A
Authority: CN
Inventors: 吴斌
Original assignee: Zhejiang Yuyue Intelligent Technology Co ltd
Current assignee: Hangzhou Henghui Intelligent Equipment Co ltd
Priority date: 2021-08-13
Filing date: 2021-08-13
Publication date: 2021-11-05
Anticipated expiration: 2041-08-13
Also published as: CN113601002B

Abstract

The invention relates to the technical field of ultrasonic welding equipment, in particular to ultrasonic welding equipment for a lug, which is burr-free and has the capacity of protecting a battery diaphragm. The device comprises a welding device, can finish primary treatment on the pole lug by separating clamping and welding, changes the problem that the pole lug at the inner part is easily torn off when an ultrasonic welding machine extrudes in the traditional direct welding process, and can greatly reduce the problem of other variables generated in the welding process after the pole lug is stably clamped, thereby greatly improving the stability; still include burr treatment device, can carry out ultrasonic bonding with its sharp corner that originally is square after the utmost point ear and cut the processing and handle the burr that the cutting produced, this kind of mode can reduce the battery utmost point ear and puncture the packing problem.

Description

Burr-free lug ultrasonic welding equipment with battery diaphragm protection capability

Technical Field

The invention relates to the technical field of ultrasonic welding equipment, in particular to ultrasonic welding equipment for a lug, which is burr-free and has the capacity of protecting a battery diaphragm.

Background

The ultrasonic welding equipment is widely applied to lithium battery processing equipment, but the conventional tab welding equipment is usually directly welded, so that the stress point of a tab is positioned at the joint of the tab and a battery in the welding process, and partial tab is easily broken, thereby affecting the quality of the battery; and because certain thickness and comparatively sharp-pointed can be produced to utmost point ear corner through multilayer stack welding back to make it at certain problem and then cut open other battery skin, thereby lead to the problem such as battery short circuit spontaneous combustion.

Disclosure of Invention

The invention provides an ultrasonic tab welding device which is free of burrs and has the capacity of protecting a battery diaphragm, aiming at the problems in the prior art.

The technical scheme adopted by the invention for solving the technical problems is as follows:

the ultrasonic tab welding equipment comprises a placing seat, wherein a moving device is arranged on the upper end surface of the front side of the placing seat, and an auxiliary device capable of driving a lithium battery to move is arranged on the upper side of the moving device;

the rear side of the placing seat is fixedly provided with a steering motor, an output shaft of the steering motor is fixedly connected with a function plate, the top wall of the front side part of the function plate is fixedly connected with a bottom plate, the end face of the bottom plate is fixedly connected with a welding motor, and the front side part of the placing seat is provided with a welding device which takes an active part such as the welding motor as a power source and can finish ultrasonic welding of a lug through an ultrasonic welding module after a clamping plate finishes primary clamping of the root of the lug;

the functional board central point puts fixedly connected with center post, center post upper end fixedly connected with roof, functional board rear side position fixedly connected with motionless seat, baffle, motionless seat upper end is provided with the driving-disc of taking the drive through the drive shaft, functional board rear side position is provided with by parts such as driving-disc can fix a position the centre gripping and carry out the burr treatment device that burr was handled after the arc cutting is carried out through arc cutting sword to the utmost point ear of welding completion through the location clamp splice as the power supply.

Preferably, the auxiliary device comprises the mobile device, a support rod is fixedly connected to the end face of the mobile device, a battery fixing module is fixedly connected to the upper end of the support rod, the battery fixing module clamps the lithium battery, and a tab is arranged on the lithium battery.

Preferably, the welding device comprises the function board, a base is fixedly arranged on the left side wall surface of the function board, clamping motors are fixedly connected with the base and are symmetrically distributed on the upper and lower positions of the side wall surface of the right arc-shaped convex block of the base in a vertical manner, the clamping motors are connected with clamping shafts, clamping gears are fixedly connected with the other ends of the clamping shafts, clamping shells are meshed on the rear sides of the clamping gears, the clamping shells are connected in a sliding way on the right side wall surface of the base in a sliding manner, so that the outer edges of the clamping shells can only move in the vertical direction while being meshed with the clamping gears, openings are formed in the inner sides of the clamping shells, clamping springs are fixedly connected on the outer side wall surfaces of the openings, the other ends of the clamping springs are fixedly connected on the clamping plates, the clamping plates can clamp the lugs, and limiting rails are fixedly connected on the rear sides of the limiting rails, sliding connection has the inline piece on the restriction rail, be connected with the welding axle on the welding motor, threaded connection has the screw thread piece on the welding axle, the screw thread piece is surplus the inline piece fixed connection, and worth mentioning is the upside bottom plate fixed connection be in on the roof, the upside fixedly connected with on the inline piece ultrasonic bonding module, the downside fixedly connected with welding seat on the inline piece.

Preferably, the burr treatment device comprises the steering motor, a balancing bar is fixedly connected to the outer side of the steering motor, a roller is arranged at the upper end of the balancing bar, the functional plate is fixedly connected to an output shaft of the steering motor, the central column is fixedly connected to the central position of the functional plate, the top plate is fixedly connected to the upper end of the central column, the stationary seat and the baffle plate are fixedly connected to the rear position of the functional plate, the driving disc with driving is arranged at the upper end of the stationary seat through the driving shaft, a driving pin is fixedly connected to the outer edge of the other side end of the driving disc, the driving pin is slidably connected to an arc-shaped groove of the driving plate, the driving plate is slidably connected to the baffle plate, a push rod is fixedly connected to the inner side end face of the driving plate, a central plate is fixedly connected to the other end of the push rod, and a treatment shaft is rotatably connected to the other end face of the central plate, the other end of the treatment shaft penetrates through the auxiliary seat and is fixedly connected with the treatment seat, friction strips are uniformly distributed in the treatment seat, the auxiliary seat is rotatably connected with the treatment shaft, an arc-shaped cutting edge which is coaxial with the treatment shaft is fixedly connected on the inner side end face of the auxiliary seat, a side plate is fixedly connected on the functional plate at the rear side of the central column, the other end of the side plate is fixedly connected on the lower end face of the top plate, a guide plate is fixedly connected on the rear side wall face of the side plate, the guide plate is slidably connected with the auxiliary seat, positioning blocks are also fixedly connected at two sides of the inner side end face of the auxiliary seat, an extrusion spring is fixedly connected on the wall face of the positioning block, the other end of the extrusion spring is fixedly connected with a positioning clamping block, extension rods fixedly connected with the side plate are symmetrically distributed at the upper and lower positions on the rear side wall face of the side plate, and extension gears with a self-driving device are arranged at the other sides of the extension rods, the extension gear has not yet engaged the disposal gear.

Preferably, the effect and speed of burr removal can be increased by increasing the distribution density of the rubbing strips.

Preferably, the residence time of the arcuate slot in the driver plate at the innermost position can be varied by altering the size of the slot.

Preferably, the batteries can be correspondingly arranged on the other side, so that synchronous processing of the batteries is realized, and the working efficiency is improved.

The invention has the advantages that 1, the auxiliary device can be matched with the action of the follow-up device to sequentially complete the follow-up treatment of the tabs; 2. the welding device can finish primary treatment on the pole lug in a mode of separating clamping and welding, the problem that the pole lug on the inner part is torn off when an ultrasonic welding machine extrudes and the problem that other variables are generated when welding can be greatly reduced after the pole lug is stably clamped in the traditional direct welding process is changed, the stability is greatly improved, different clamping pressures can be adjusted by setting the clamping plates into two sections of clamping modes, the problem that the pole lug on one position in the inner part is torn off is further avoided, the adjustable design can adapt to different materials, and the use surface of equipment is improved; 3. burr treatment device can carry out ultrasonic bonding with it and originally be square closed angle and cut the processing and handle the burr that the cutting produced after accomplishing at utmost point ear, and this kind of mode can reduce battery utmost point ear puncture packing problem, also can not produce harmful effects because of the burr, has promoted the security of battery greatly, reduces dangerous emergence.

Drawings

Fig. 1 is an isometric schematic view of an ultrasonic tab welding apparatus of the present invention that is burr-free and has the ability to protect the battery separator membrane;

fig. 2 is another angular schematic view of a burr-free ultrasonic tab welding apparatus with battery separator protection capability in accordance with the present invention;

fig. 3 is a further angular schematic view of a burr-free ultrasonic tab welding apparatus of the present invention having the capability of protecting the battery separator;

fig. 4 is a front view of an ultrasonic tab welding apparatus of the present invention having no burrs and the ability to protect the battery separator;

fig. 5 is a side view of an ultrasonic tab welding apparatus of the present invention having no flash and the ability to protect the battery separator;

fig. 6 is a top plan view of a burr-free ultrasonic tab welding apparatus with battery separator protection capability in accordance with the present invention;

FIG. 7 is a rear view of an ultrasonic tab welding apparatus of the present invention having no flash and the ability to protect the battery separator

FIG. 8 is a schematic view of the structure at "A-A" of FIG. 5;

FIG. 9 is an enlarged schematic view at "B" of FIG. 5;

FIG. 10 is an enlarged schematic view at "C" of FIG. 3;

fig. 11 is a schematic view of the "base" structure of fig. 1.

The device comprises a placing seat 10, a moving device 11, a supporting rod 12, a battery fixing module 13, a lithium battery 14, a balancing rod 15, a steering motor 16, a function plate 17, a baffle plate 18, a fixed seat 19, a driving shaft 20, a bottom plate 21, a welding motor 22, a welding shaft 23, a thread block 24, a straight block 25, a limiting rail 26, a welding seat 27, a processing shaft 28, a clamping shell 29, a clamping plate 30, a top plate 31, a tab 32, a driving disc 33, a central plate 34, a processing gear 35, an extending gear 37, an auxiliary seat 38, a positioning block 39, a positioning clamping block 40, a driving plate 41, a driving pin 42, a push rod 43, an extrusion spring 44, an arc-shaped cutting edge 45, a processing seat 46, a friction strip 47, a clamping motor 48, a clamping shaft 49, a clamping gear 50, a clamping spring 51, an extension rod 52, an ultrasonic welding module 53, a guide plate 54, a central column 55, a base seat 56 and a side plate 57.

Detailed Description

The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.

As shown in fig. 1-11, an ultrasonic tab welding device without burr and capable of protecting a battery diaphragm comprises a placing base 10, wherein a moving device 11 is arranged on the upper end surface of the front side of the placing base 10, and an auxiliary device S1 capable of driving a lithium battery 14 to move is arranged on the upper side of the moving device 11; the auxiliary device S1 can be matched with the action of a subsequent device to sequentially finish the subsequent treatment of the tabs; the rear side of the placing seat 10 is fixedly provided with a steering motor 16, an output shaft of the steering motor 16 is fixedly connected with a function board 17, the top wall of the front side part of the function board 17 is fixedly connected with a bottom board 21, and the end surface of the bottom board 21 is fixedly connected with a welding motor 22. The front side part of the placing seat 10 is provided with a welding device S2 which uses an active part such as the welding motor 22 and the like as a power source and can complete ultrasonic welding of the antipodal ear through the ultrasonic welding module 53 after the clamping plate 30 completes primary clamping of the antipodal ear root; welding set S2 can be through accomplishing the preliminary treatment to utmost point ear with centre gripping, the mode that the welding separates, the easy problem of breaking the utmost point auricle of inside part when breaking because the ultrasonic welder extrusion that produces when changing traditional direct weld, and can produce the problem of other variables when stabilizing good utmost point ear through the centre gripping after can greatly reduced welding, improved stability greatly, just grip block 30 sets up to the regulation that can realize different clamping pressure of the mode of two sections centre grippings, further avoids breaking the problem of inside somewhere utmost point ear, and the adjustable design can adapt to different kinds of materials, has promoted the user plane of equipment. A central column 55 is fixedly connected to the central position of the function plate 17, a top plate 31 is fixedly connected to the upper end of the central column 55, a fixed seat 19 and a baffle 18 are fixedly connected to the rear position of the function plate 17, a driving disc 33 with a drive is arranged at the upper end of the fixed seat 19 through a driving shaft 20, and a deburring device S3 which takes parts such as the driving disc 33 as power sources, can position and clamp welded tabs through a positioning clamp block 40 and perform deburring after arc cutting through an arc cutting edge 45 is arranged at the rear position of the function plate 17; burr processing apparatus S3 can be after the ultrasonic bonding is accomplished with utmost point ear and originally be square closed angle cutting processing and handle the burr that the cutting produced, and this kind of mode can reduce the battery utmost point ear and puncture the packing problem, also can not produce harmful effects because of the burr, has promoted the security of battery greatly, reduces dangerous emergence.

The auxiliary device S1 includes the mobile device 11, a support rod 12 is fixedly connected to an end surface of the mobile device 11, a battery fixing module 13 is fixedly connected to an upper end of the support rod 12, the lithium battery 14 is clamped by the battery fixing module 13, and a tab 32 is disposed on the lithium battery 14; after welding or cutting of the tab 32 on one side is completed, the moving device 11 can drive each component thereon to move, so that the purpose of switching between left and right tabs is achieved.

The welding device S2 comprises the function board 17, a base seat 56 is fixedly arranged on the left side wall surface of the function board 17, the clamping motors 48 are symmetrically distributed at the upper and lower positions on the side wall surface at the right arc-shaped projection of the base 56, a clamping shaft 49 is connected on the clamping motor 48, a clamping gear 50 is fixedly connected at the other end of the clamping shaft 49, the clamping shell 29 is engaged at the rear side of the clamping gear 50, the clamping shell 29 is slidably connected in a slide way on the right side wall surface of the base seat 56, so as to ensure that the outer edge of the clamping gear is meshed with the clamping gear 50 and can only move up and down, the inner side of the clamping shell 29 is provided with an opening, the wall surface of the outer side of the opening is fixedly connected with a clamping spring 51, the other end of the clamping spring 51 is fixedly connected to the clamping plate 30, and the clamping plate 30 can complete clamping of the tab 32. A limiting rail 26 is fixedly connected to the rear side of the clamping shell 29, a straight block 25 is slidably connected to the limiting rail 26, a welding shaft 23 is connected to the welding motor 22, a threaded block 24 is connected to the welding shaft 23 in a threaded manner, the threaded block 24 is fixedly connected to the straight block 25, the upper bottom plate 21 is fixedly connected to the top plate 31, the ultrasonic welding module 53 is fixedly connected to the upper straight block 25, and a welding seat 27 is fixedly connected to the lower straight block 25; when the tab 32 needs to be welded, the clamping motor 48 may be started, the starting of the clamping motor 48 may drive the clamping gear 50 to rotate so as to move the clamping housing 29 in opposite directions, so that the clamping plate 30 contacts with the tab 32, and the clamping force of the clamping housing 29 may be adjusted by controlling the moving distance of the clamping housing 29, so as to achieve clamping with different forces, and at this time, the welding motor 22 may be started to drive the threaded block 24 to drive the straight block 25 to move in opposite directions, so that the welding head of the ultrasonic welding module 53 contacts with the welding seat 27, so as to weld the tab 32 located therein.

The burr processing device S3 includes the steering motor 16, a balancing bar 15 is fixedly connected to the outer side of the steering motor 16, a roller is disposed at the upper end of the balancing bar 15, the output shaft of the steering motor 16 is fixedly connected with the function board 17, the center of the function board 17 is fixedly connected with the center post 55, the upper end of the center post 55 is fixedly connected with the top board 31, the rear side of the function board 17 is fixedly connected with the fixed base 19 and the baffle 18, the upper end of the fixed base 19 is provided with the driving disk 33 for driving through the driving shaft 20, the side end of the other side of the driving disk 33 is fixedly connected with the driving pin 42, the driving pin 42 is slidably connected in the arc-shaped groove of the driving plate 41, the driving plate 41 is slidably connected in the baffle 18, and the inner side end of the driving plate 41 is fixedly connected with the push rod 43, the other end of the push rod 43 is fixedly connected with a central plate 34, the other end face of the central plate 34 is rotatably connected with a processing shaft 28, the other end of the processing shaft 28 penetrates through an auxiliary seat 38 and is fixedly connected with a processing seat 46, friction strips 47 are uniformly distributed in the processing seat 46, the auxiliary seat 38 is rotatably connected with the processing shaft 28, an arc cutting edge 45 which is coaxial with the processing shaft 28 is fixedly connected with the inner end face of the auxiliary seat 38, a side plate 57 is fixedly connected with the functional plate 17 at the rear side of the central column 55, the other end of the side plate 57 is fixedly connected with the lower end face of the top plate 31, a guide plate 54 is fixedly connected with the rear side wall face of the side plate 57, the guide plate 54 is slidably connected with the auxiliary seat 38, positioning blocks 39 are fixedly connected with the two sides of the inner end face of the auxiliary seat 38, and extrusion springs 44 are fixedly connected with the wall face of the positioning blocks 39, the other end of the extrusion spring 44 is fixedly connected with a positioning clamping block 40, extension rods 52 fixedly connected with the side plate 57 are symmetrically distributed at the upper and lower positions of the rear side wall surface of the side plate 57, an extension gear 37 with a driving device is arranged at the other side of the extension rod 52, and the extension gear 37 is not meshed with the processing gear 35; when the tab needs to be cut in an arc shape, the steering motor 16 is started, the baffle plate 18 is driven to rotate by one hundred eighty degrees by the starting of the steering motor 16, so that the welded tab 32 falls between the positioning clamping blocks 40, then the driving disc 33 is started to rotate, the driving disc 33 rotates, the driving plate 41 is driven to move in the up-and-down direction limited by the baffle plate 18 through the driving pin 42, and due to the design direction of the arc-shaped opening of the driving plate 41 being concave, when the driving pins 42 at two sides approach each other, the driving pin 42 is driven to move along the arc-shaped groove after the whole distance is reached, that is, the driving plates 41 stay slightly at the innermost side and then move away from each other, when the driving plate 41 moves, the processing gear 35 is meshed with the extension gear 37 by driving the push rod 43, and the auxiliary seat 38 is vertically moved under the guiding action of the guide plate 54, in the moving process, the positioning clamping block 40 can clamp two sides of the part, which needs to be cut, of the tab 32, the tab 32 is cut into an arc-shaped opening through the arc-shaped cutting edges 45 on the upper side and the lower side when the tab moves to the maximum distance, the extension gear 37 is started to drive the processing gear 35 engaged with the extension gear to rotate, so that the processing seat 46 rotates, the processing seat 46 is located at a position close to a cut inside the processing seat 46, and the rotation of the processing seat 46 can enable the friction strip 47 to be thrown outwards under the action of centrifugal force to contact with the cut opening, so that burrs at the cut part are processed.

The effectiveness and speed of burr removal can be increased by increasing the distribution density of the rubbing strips 47.

The residence time of the arcuate slot in the driver plate 41 can be varied by altering its size at the innermost side.

The batteries can be correspondingly arranged on the other side, so that synchronous processing of the batteries is realized, and the working efficiency is improved.

The above-described embodiments are merely illustrative of the preferred embodiments of the present invention and do not limit the spirit and scope of the present invention. Various modifications and improvements of the technical solutions of the present invention may be made by those skilled in the art without departing from the design concept of the present invention, and the technical contents of the present invention are all described in the claims.

Claims

1. The utility model provides a no burr and utmost point ear ultrasonic bonding equipment that has protection battery diaphragm ability which characterized in that: the lithium battery placing device comprises a placing seat (10), wherein a moving device (11) is arranged on the upper end face of the front side of the placing seat (10), and an auxiliary device (S1) capable of driving a lithium battery (14) to move is arranged on the upper side of the moving device (11);

a steering motor (16) is fixedly arranged on the rear side of the placing seat (10), an output shaft of the steering motor (16) is fixedly connected with a function board (17), a bottom board (21) is fixedly connected to the top wall of the front side part of the function board (17), a welding motor (22) is fixedly connected to the end face of the bottom board (21), and a welding device (S2) which takes the welding motor (22) as a power source and can complete ultrasonic welding of the contrapolar ear through an ultrasonic welding module (53) after the clamping board (30) completes primary clamping of the root of the contrapolar ear is arranged on the front side part of the placing seat (10);

function board (17) central point puts fixedly connected with center post (55), center post (55) upper end fixedly connected with roof (31), function board (17) rear side position fixedly connected with does not move seat (19), baffle (18), do not move seat (19) upper end and be provided with through drive shaft (20) and take driven driving-disc (33), function board (17) rear side position be provided with by driving-disc (33) can fix a position the centre gripping and carry out burr treatment' S burr treatment device (S3) after arc cutting through arc cutting edge (45) the utmost point ear of accomplishing of welding through location clamp splice (40) as the power supply.

2. The ultrasonic welding equipment for the lugs without burrs and with the capacity of protecting the battery diaphragm as claimed in claim 1, is characterized in that: auxiliary device (S1) include mobile device (11) fixedly connected with supports pole (12) on mobile device (11) terminal surface, support pole (12) upper end fixedly connected with battery fixing module (13), battery fixing module (13) centre gripping has lithium cell (14), be provided with utmost point ear (32) on lithium cell (14).

3. The ultrasonic welding equipment for the lugs without burrs and with the capacity of protecting the battery diaphragm as claimed in claim 1, is characterized in that: the welding device (S2) comprises the function board (17), a foundation base (56) is fixedly arranged on the left side wall surface of the function board (17), clamping motors (48) are fixedly connected with the foundation base (56) in a vertically symmetrical distribution mode on the side wall surface of the right arc-shaped convex block of the foundation base (56), a clamping shaft (49) is connected onto the clamping motors (48), a clamping gear (50) is fixedly connected onto the other end of the clamping shaft (49), a clamping shell (29) is meshed with the rear side of the clamping gear (50), and the clamping shell (29) is connected into a slide way on the right side wall surface of the foundation base (56) in a sliding mode, so that the outer edge of the clamping shell and the clamping gear (50) are meshed and can only move vertically; an opening is arranged on the inner side of the clamping shell (29), a clamping spring (51) is fixedly connected on the outer side wall surface of the opening, the other end of the clamping spring (51) is fixedly connected to the clamping plate (30), the clamping plate (30) can clamp the lug (32), the rear side of the clamping shell (29) is fixedly connected with a limiting rail (26), the limiting rail (26) is connected with a straight block (25) in a sliding way, the welding motor (22) is connected with a welding shaft (23), the welding shaft (23) is connected with a thread block (24) in a threaded manner, the thread block (24) is fixedly connected with the straight-moving block (25), the bottom plate (21) on the upper side is fixedly connected to the top plate (31), the ultrasonic welding module (53) is fixedly connected to the straight-moving block (25) on the upper side, and the welding seat (27) is fixedly connected to the straight-moving block (25) on the lower side.

4. The ultrasonic welding equipment for the lugs without burrs and with the capacity of protecting the battery diaphragm as claimed in claim 1, is characterized in that: the burr treatment device (S3) comprises a steering motor (16), a balancing rod (15) is fixedly connected to the outer side of the steering motor (16), rollers are arranged at the upper end of the balancing rod (15), a function board (17) is fixedly connected to an output shaft of the steering motor (16), the center position of the function board (17) is fixedly connected with a center post (55), the upper end of the center post (55) is fixedly connected with a top plate (31), the rear side position of the function board (17) is fixedly connected with a fixed seat (19) and a baffle plate (18), the upper end of the fixed seat (19) is provided with a driving plate (33) with driving through a driving shaft (20), a driving pin (42) is fixedly connected to the outer edge of the other side end of the driving plate (33), and the driving pin (42) is slidably connected to an arc-shaped groove of the driving plate (41), the driving plate (41) is connected in the baffle (18) in a sliding mode, a push rod (43) is fixedly connected to the end face of the inner side of the driving plate (41), the other end of the push rod (43) is fixedly connected with a central plate (34), the other end face of the central plate (34) is rotatably connected with a processing shaft (28), the other end of the processing shaft (28) penetrates through the auxiliary seat (38) and is fixedly connected with a processing seat (46), and friction strips (47) are uniformly distributed in the processing seat (46); the auxiliary seat (38) is rotatably connected with the processing shaft (28), an arc-shaped cutting edge (45) which is coaxial with the processing shaft (28) is fixedly connected to the inner side end face of the auxiliary seat (38), a side plate (57) is fixedly connected to the functional plate (17) on the rear side of the central column (55), the other end of the side plate (57) is fixedly connected to the lower end face of the top plate (31), a guide plate (54) is fixedly connected to the rear side wall face of the side plate (57), the guide plate (54) is slidably connected with the auxiliary seat (38), positioning blocks (39) are fixedly connected to the two sides of the inner side end face of the auxiliary seat (38), an extrusion spring (44) is fixedly connected to the wall face of the positioning blocks (39), a positioning clamping block (40) is fixedly connected to the other end of the extrusion spring (44), and extension rods (52) fixedly connected to the side plate (57) are symmetrically distributed at the upper and lower positions on the rear side wall face of the side plate (57), the other side of the extension rod (52) is provided with an extension gear (37) with a driving device, and the extension gear (37) is not meshed with the processing gear (35).

5. The ultrasonic welding equipment for the lugs without burrs and with the capacity of protecting the battery diaphragm as claimed in claim 1, is characterized in that: the effect and speed of burr cleaning are improved by increasing the distribution density of the rubbing strips (47).

6. The ultrasonic welding equipment for the lugs without burrs and with the capacity of protecting the battery diaphragm as claimed in claim 1, is characterized in that: the stay time of the arc-shaped opening on the driving plate (41) at the innermost side is changed by changing the size of the arc-shaped opening.

7. The ultrasonic welding equipment for the lugs without burrs and with the capacity of protecting the battery diaphragm as claimed in claim 1, is characterized in that: the batteries can be correspondingly arranged on the other side, so that synchronous processing of the batteries is realized, and the working efficiency is improved.