CN211680914U - Utmost point ear cuts welding set - Google Patents
Utmost point ear cuts welding set Download PDFInfo
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- CN211680914U CN211680914U CN202020151251.0U CN202020151251U CN211680914U CN 211680914 U CN211680914 U CN 211680914U CN 202020151251 U CN202020151251 U CN 202020151251U CN 211680914 U CN211680914 U CN 211680914U
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Abstract
The application relates to a tab cutting and welding device, and belongs to the technical field of battery manufacturing. The application provides a tab cutting and welding device, which comprises a frame; the righting mechanism is used for righting the tab material belt; the cutter mechanism is used for cutting the tab sections; the first clamping mechanism is used for clamping and conveying the cut tab sections to a leveling station; the burr patting mechanism is used for patting the lug sections positioned at the patting station; the second clamping mechanism is used for clamping and conveying the leveled tab section to a welding station; and the welding mechanism is used for welding the tab sections flattened by the burr flattening mechanism to the pole piece material belt. The burrs on the lug sections are leveled by using the burr leveling mechanism, so that the lug sections can be leveled, and the welding is facilitated; the tab cutting and welding device can continuously perform straightening, cutting, leveling and welding, and can efficiently weld tab sections to a pole piece material belt.
Description
Technical Field
The application relates to the technical field of battery manufacturing, in particular to a tab cutting and welding device.
Background
The battery tab refers to a metal conductor which respectively leads out the positive electrode and the negative electrode from the battery core.
The conventional process for combining the tab with the pole piece comprises the steps of straightening and flattening a tab material belt, cutting off the tab material belt, and then sending a tab section formed after cutting off the tab material belt to the pole piece to be combined with the pole piece in a welding or riveting mode. On one hand, because the section of the cut tab material belt is tilted, if the tab material belt is firstly leveled and then cut off, the welding surface of the tab which is sent to be combined with the tab material belt is uneven, and the quality of the final tab is easily influenced. On the other hand, in the conventional process, since the tab segments need to be subjected to a plurality of processes, the tab segments always use the same transfer mechanism, which results in low efficiency.
SUMMERY OF THE UTILITY MODEL
Therefore, the application provides a tab cutting and welding device which can weld tab segments to pole pieces with high quality and high efficiency.
The tab cutting and welding device comprises a rack; the righting mechanism is used for righting the tab material belt; the cutter mechanism is used for cutting the tab sections; the first clamping mechanism is used for clamping and conveying the cut tab sections to a leveling station; the burr patting mechanism is used for patting the lug sections positioned at the patting station; the second clamping mechanism is used for clamping and conveying the leveled tab section to a welding station; and the welding mechanism is used for welding the tab sections flattened by the burr flattening mechanism to the pole piece material belt.
Form utmost point ear segment after cutting off utmost point ear material area, use burr to clap the mechanism and clap the burr on the utmost point ear segment, can improve the surface smoothness of utmost point ear segment, do benefit to and weld utmost point ear segment in the pole piece material area. The first clamping mechanism and the second clamping mechanism can independently act and cannot interfere with each other, so that the tab cutting and welding device can continuously perform the procedures of correcting, cutting, flattening and welding, and can efficiently weld tab sections to the pole piece material belt.
In addition, the tab cutting and welding device according to the embodiment of the application also has the following additional technical characteristics:
according to some embodiments of the application, the mechanism of reforming includes two components of reforming, and two components of reforming are arranged in cutter mechanism's front and back both sides along the route of marcing in utmost point ear material area, and every component of reforming is installed in the frame to can reform utmost point ear material area in the left and right sides in utmost point ear material area. Under the combined action of the two righting assemblies and the second righting assembly, the segment to be cut can be located at the preset position, and the cutter mechanism can accurately cut off the tab material belt conveniently.
According to some embodiments of the application, cutter mechanism includes cutter seat and last cutter, and cutter seat and last cutter are located the upper and lower both sides and the mutual disposition in utmost point ear material area respectively, and the cutter seat is installed in the frame, goes up the cutter and can be close to the cutter seat to come to cut off utmost point ear material area jointly with the cutter seat cooperation. The arrangement mode is beneficial to assembly, simple in structure and good in reliability.
According to some embodiments of the application, the tab cutting and welding device further comprises a feeding mechanism and a sensor, the feeding mechanism is used for driving the tab material belt to advance along the advancing path of the tab material belt, the sensor is arranged on the upper side of the tab material belt, the tab material belt is provided with a plurality of glue dissolving portions at intervals along the length direction of the tab material belt, the sensor sends a sudden change signal to an external controller when detecting one glue dissolving portion, and the feeding mechanism can respond to the sudden change signal to stop driving the tab material belt to advance. Through this kind of arrangement form, can guarantee that the utmost point ear section that each time cuts off and forms all has the same length, and simple structure easily realizes.
According to some embodiments of this application, burr claps mechanism including upper clapper and lower clapper of relative arrangement from top to bottom, and upper clapper and lower clapper form the station of clapping between the clapper, and first fixture can be with utmost point ear segment centre gripping in the station of clapping, and upper clapper and lower clapper can be close to each other to clap utmost point ear segment. The burr on the tab section is leveled by the burr leveling mechanism, so that the surface smoothness of the tab section can be improved, and the tab section is favorably welded on the pole piece material belt.
According to some embodiments of the application, the burr is clapped mechanism and is still including clapping the piece driving piece on, claps the piece driving piece on and install in the frame to can drive and clap the piece and go up and down, clap the piece on with on and clap the output of piece driving piece and link to each other adjustably along the fore-and-aft direction in utmost point ear material area. The upper beating block is arranged in a front-back adjustable mode, and the beating position can be flexibly adjusted according to the actual size of the pole lug.
According to some embodiments of the application, the upper racket block is provided with a waist hole, the waist hole extends along the front-back direction of the pole lug material belt, and the waist hole is used for being matched with the threaded piece so as to install the upper racket block at the output end of the upper racket block driving piece. The arrangement form is simple and reliable and is easy to realize.
According to some embodiments of the application, the welding mechanism comprises a welding seat and an ultrasonic welding head, the welding seat is installed on the frame, and the ultrasonic welding head can be driven by an external mechanical arm to weld the pole piece material belt and the pole lug sections which are placed on the welding seat into a whole. This form of welding mechanism is easy to maintain and replace, and easy to assemble.
According to some embodiments of the application, the welding seat comprises four welding tables, the four welding tables are located at four corners of a welding surface of the welding seat, and upper surfaces of the four welding tables are flush. The upper surfaces of the four welding tables are used for supporting the pole piece material belt, the welding tables are located at corners of the welding surface, and therefore a positioning reference of the second clamping mechanism is favorably provided, and the second clamping mechanism accurately clamps the pole lug sections at the welding station.
According to some embodiments of the present application, the ultrasonic welding head includes a welding head base and a plurality of sets of welding heads, the welding head base is used for connecting with an execution end of an external mechanical arm, the plurality of sets of welding heads are all mounted on the welding head base, and one set of welding head in the plurality of sets of welding heads is used for welding the tab segment to the pole piece material belt. The arrangement form has high reliability, is easy to maintain and replace, and can flexibly select a proper welding head according to actual requirements.
Additional aspects and advantages of the present application will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the present application.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained from the drawings without inventive effort.
Fig. 1 is a schematic structural diagram of a tab cutting and welding device provided in an embodiment of the present application;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
FIG. 3 is an enlarged view of a portion of FIG. 1 at B;
fig. 4 is a schematic structural diagram of a burr flattening mechanism in a tab cutting and welding device according to an embodiment of the present disclosure;
fig. 5 is a schematic structural diagram of a welding mechanism in a tab cutting and welding device according to an embodiment of the present disclosure;
fig. 6 is a schematic structural diagram of a tab material strip in a tab cutting and welding device according to an embodiment of the present application;
fig. 7 is a schematic structural diagram of a tab segment in a tab cutting and welding device provided in an embodiment of the present application;
fig. 8 is a schematic view illustrating a tab segment welded to a pole piece material strip in a tab cutting and welding device according to an embodiment of the present disclosure.
Icon: 100-tab cutting and welding device; 110-a righting mechanism; 111-a first righting component; 1111-a first base; 1112-a first centering arm; 1113-second centering arm; 1114-first front side; 1115-second front side; 112-a second righting component; 120-a cutter mechanism; 121-a cutter seat; 1211-lower blade; 122-upper cutter; 130-a sensor; 131-induction range; 140-a first clamping mechanism; 141-a first clamp; 150-a burr leveling mechanism; 151-upward shooting block; 1511-first beat surface; 1512-waist hole; 152-lower pat block; 1521-second beat surface; 160-a second clamping mechanism; 161-a second clamp; 170-a welding mechanism; 171-a soldering station; 1711-welding the base body; 1712-welding table; 1713-a first welding station; 172-ultrasonic horn; 1721-a horn base; 1722-a bonding tool; 1723-a first set of solder heads; 1724-a mounting portion; 200-tab material belt; 210-a metal strip; 220-sol part; 221-a first edge; 230-a tab segment; 231-a first end; 232-a second end; 233-a first side; 234-a second face; 240-first side; 250-a second side; 300-pole piece material belt; 310-a third side; 311-second edge.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present application, it should be noted that the terms "inside", "outside", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the application usually place when using, and are only used for convenience in describing the present application and simplifying the description, but do not indicate or imply that the devices or elements that are referred to must have a specific orientation, be constructed in a specific orientation, and operate, and thus, should not be construed as limiting the present application. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.
In the description of the present application, it is also to be noted that, unless otherwise explicitly specified or limited, the terms "disposed" and "connected" are to be interpreted broadly, e.g., as being either fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.
Referring to fig. 1, a tab cutting and welding apparatus 100 according to an embodiment of the present invention includes a frame (not shown), a straightening mechanism 110, a cutter mechanism 120, a first clamping mechanism 140, a burr leveling mechanism 150, a second clamping mechanism 160, and a welding mechanism 170. Wherein, the righting mechanism 110, the cutter mechanism 120, the first clamping mechanism 140, the burr leveling mechanism 150, the second clamping mechanism 160 and the welding mechanism 170 are all arranged on the frame. The righting mechanism 110 is used for righting the tab material belt 200, the cutter mechanism 120 is used for cutting tab segments 230 on the tab material belt 200, the first clamping mechanism 140 is used for clamping and conveying the cut tab segments 230 to a flattening station, the burr flattening mechanism 150 is used for flattening the tab segments 230 located at the flattening station, the second clamping mechanism 160 is used for clamping and conveying the flattened tab segments 230 to a welding station, and the welding mechanism 170 is used for welding the tab segments 230 flattened by the burr flattening mechanism 150 to the tab material belt 300 (please refer to fig. 8).
As will be readily appreciated, in one aspect, the tab segments 230 are flapped using the burr flashing mechanism 150 to facilitate welding of the tab segments 230 to the strip of pole piece material 300. On the other hand, in the process that the second clamping mechanism 160 clamps and conveys the tab segment 230 to the welding station, the first clamping mechanism 140 may clamp and convey the next tab segment 230 to the leveling station, and when the second clamping mechanism 160 returns after conveying the previous tab segment 230, the next tab segment 230 may be clamped and conveyed to the pole piece material strap 300, which improves the welding efficiency of welding the tab segment 230 to the pole piece material strap 300.
Referring to fig. 6, 7 and 8, in the description of the present application, a pole piece tape 300 is used to form a pole piece of a battery cell, and a tab tape 200 is used to form a tab on the pole piece, and the tab cutting and welding device 100 in the embodiment of the present application is used to cut the tab tape 200 to form a tab segment 230, flatten the tab segment 230, and weld the tab segment 230 to a preset position of the pole piece tape 300. The tab material belt 200 advances along a first direction, and the tab material belt 300 advances along a second direction, where the first direction is perpendicular to the second direction.
Referring to fig. 6, the tab material strip 200 includes a metal strip 210 and a plurality of sol portions 220, the plurality of sol portions 220 are arranged at intervals along a length direction of the metal strip 210, and after being cut, each tab segment 230 includes one sol portion 220.
As an exemplary form of the sol portion 220, two pieces of plastic are sandwiched on the metal tape 210, forming one sol portion 220.
Referring to fig. 7, the tab segment 230 includes a first end 231 and a second end 232, wherein the first end 231 is an end of the tab material strip 200, and after the tab material strip 200 is cut by the cutter mechanism 120, the second end 232 of the tab segment 230 is newly formed.
Referring to fig. 8, the pole piece strip 300 has a third side 310 along the width direction thereof, and the tab segment 230 is welded to the third side 310, and the third side 310 is exposed. When the tab segment 230 is welded to the pole piece tape 300, the first end 231 of the tab segment 230 is welded to the pole piece tape 300, the sol portion 220 is located on the third side 310 of the pole piece tape 300, the first edge 221 of the sol portion 220 substantially coincides with the second edge 311 of the third side 310, and the second end 232 is located outside the pole piece tape 300.
The structure and the mutual positional relationship of the components of the tab cutting and welding device 100 of the embodiment of the present application are described below.
A frame (not shown) is used to mount the reforming mechanism 110, the cutter mechanism 120, the first clamping mechanism 140, the burr leveling mechanism 150, the second clamping mechanism 160, and the welding mechanism 170.
The reforming mechanism 110 is used for reforming the tab material belt 200 so that the cutter mechanism 120 can cut the tab material belt 200.
Referring to fig. 1, in some embodiments of the present application, the righting mechanism 110 includes a first righting element 111 and a second righting element 112, and the first righting element 111 and the second righting element 112 are spaced along the traveling path (i.e., the first direction) of the tab material tape 200 and are located at front and rear sides of the cutter mechanism 120. Each righting component is installed on the machine frame and can righting the tab material belt 200 on the left side and the right side of the tab material belt 200.
Referring to fig. 2, taking the first centering assembly 111 as an example, the first centering assembly 111 includes a first base 1111, a first centering arm 1112, and a second centering arm 1113. First base 1111 is mounted to the frame, and first centering arm 1112 and second centering arm 1113 are disposed opposite to each other and mounted to first base 1111. The first centering arm 1112 has a first centering surface 1114 and the second centering arm 1113 has a second centering surface 1115, the first centering surface 1114 and the second centering surface 1115 being disposed opposite to each other. Under the driving of the air cylinder, the first and second centering arms 1112 and 1113 can be close to the tab material belt 200 at the left and right sides (i.e. the first and second sides 240 and 250) of the tab material belt 200, the first centering surface 1114 limits the first side 240, and the second centering surface 1115 limits the second side 250, so that the tab material belt 200 is at a preset position in the left and right directions.
The section between the first reforming assembly 111 and the second reforming assembly 112 along the length of the tab material strip 200 is defined as a section to be cut.
Under the combined action of the first correcting component 111 and the second correcting component 112, the segment to be cut can be located at a preset position, and the cutting of the cutter mechanism 120 is facilitated.
Referring to fig. 1, the cutter mechanism 120 is used for cutting off the section to be cut of the tab material strip 200.
Referring to fig. 3, in some embodiments of the present application, the cutter mechanism 120 includes a cutter seat 121 and an upper cutter 122, the cutter seat 121 is mounted on the frame, and the upper cutter 122 can be close to the cutter seat 121 to cooperate with the cutter seat 121 to jointly cut off the tab material tape 200.
Referring to fig. 3, as an exemplary form, a cutter seat 121 is installed on the frame and located at a lower side of the tab material tape 200, and a lower blade 1211 is installed on an upper surface of the cutter seat 121. The upper cutter 122 is located on the upper side of the tab material tape 200 and is vertically opposite to the lower cutter 1211. The upper cutter 122 is capable of moving downward to cut the tab material strip 200 together with the lower cutter 1211 to form a tab segment 230.
In some embodiments of the present application, the cutter mechanism 120 further includes an upper cutter driving member (not shown) which is mounted to the frame and is capable of being lifted and lowered by the upper cutter 122 to be close to or away from the lower blade 1211.
As an example form, the upper cutter drive is a linear cylinder.
Optionally, the tab cutting and welding device 100 further comprises a feeding mechanism (not shown) and a sensor 130.
A feeding mechanism (not shown) is used to drive the tab material strip 200 to advance in a first direction.
In some embodiments of the present application, the feeding mechanism can not only drive the tab material tape 200 to advance in the first direction, but also support the tab material tape 200, so as to facilitate the actions of the righting mechanism 110 and the cutter mechanism 120. This part is prior art and is not further described herein.
Referring to fig. 1, the sensor 130 is mounted on the frame and disposed on the upper side of the tab material strip 200.
In some embodiments of the present application, the sensor 130 is disposed between the second centering assembly 112 and a first clamping mechanism 140 described below.
In other embodiments, the sensors 130 may be placed in other easily detectable locations depending on the particular space requirements.
As can be easily understood, the sensing range 131 is provided at the lower side of the sensor 130, the tab material tape 200 moves forward at a constant speed under the driving of the feeding mechanism, when the sensor 130 senses that one of the sol portions 220 passes through the sensing range 131, the sensor 130 sends an abrupt change signal to an external controller, and the feeding mechanism can respond to the abrupt change signal to stop driving the tab material tape 200 to move forward to prepare for cutting.
As an example form, the sensor 130 is a common photosensor.
Referring to fig. 1, a first clamping mechanism 140 is disposed at a front side of the second centering assembly 112, i.e., a side away from the first centering assembly 111, for clamping and conveying the tab segment 230 formed by cutting to the leveling station.
In some embodiments of the present application, the first clamping mechanism 140 includes a first linear guide (not shown), a first clamp driving mechanism (not shown), and a first clamp 141. The first linear guide rail is arranged on the rack and can drive the first clamp driving mechanism to move back and forth along the first direction. The first jaw driving mechanism can drive the first jaw 141 to grip or release the tab segment 230.
As will be readily appreciated, the first clamping mechanism 140 is capable of picking up the cut tab segments 230 and moving them forward to and clamping them at the flattening station.
Referring to fig. 1, the burr leveling mechanism 150 is used to level the tab segments 230 at the leveling station.
Referring to fig. 4, the burr leveling mechanism 150 includes an upper paddle 151 and a lower paddle 152, a leveling station is formed between the upper paddle 151 and the lower paddle 152, and the upper paddle 151 and the lower paddle 152 are respectively disposed at upper and lower sides of the tab segment 230. The upper paddle 151 and the lower paddle 152 can be brought closer together to flatten the tab segment 230.
In some embodiments of the present application, the upper paddle 151 is located on the upper side of the tab segment 230, and the lower surface of the upper paddle 151 has a first paddle surface 1511. The lower paddle 152 is located at the lower side of the tab segment 230, and the upper surface of the lower paddle 152 has a second paddle surface 1521. When the lower paddle 152 and the upper paddle 151 approach each other, the first paddle surface 1511 applies a force to the first surface 233 of the tab segment 230, and the second paddle surface 1521 applies a force to the second surface 234 of the tab segment 230, thereby collectively flattening the tab segment 230.
Preferably, the projection profile of the first beat surface 1511 falls on the second beat surface 1521, and the position of the first beat surface 1511 is adjusted to a proper position, that is, the burr can be effectively leveled.
Further, the burr leveling mechanism 150 further includes an upper flap driving member (not shown) and a lower flap driving member (not shown), the upper flap driving member is installed in the frame, the upper flap 151 can be driven to lift, and the lower flap driving member is installed in the frame, the lower flap 152 can be driven to lift.
As an example form, the upper and lower racket driving members are both air cylinders.
Wherein, the upper racket block 151 is adjustably connected with the output end of the upper racket block driving member in the front-back direction of the tab material strap 200. As will be readily appreciated, this arrangement facilitates adjusting the position of the upper paddle 151 back and forth according to actual requirements.
As an example, the upper bat block 151 is provided with a waist hole 1512, and the waist hole 1512 extends along the front-back direction (i.e., the first direction) of the tab and material strip 200. Waist hole 1512 is used to mate with a screw to mount upper paddle 151 to the output of the upper paddle drive.
Referring to fig. 1, the second clamping mechanism 160 is used for clamping and delivering the flattened tab segment 230 to the welding station, so that the welding mechanism 170 can weld the tab segment 230 to the pole piece strip 300.
In some embodiments of the present application, the second gripper mechanism 160 includes a second linear guide (not shown), a second gripper drive mechanism (not shown), and a second gripper 161. The second linear guide rail is arranged on the rack and can drive the second clamp driving mechanism to move back and forth along the first direction. The second jaw driving mechanism can drive the second jaw 161 to grip or release the tab segment 230.
In one exemplary form, the first and second jaw drive mechanisms are each pneumatic cylinders.
As will be readily appreciated, the second clamping mechanism 160 is capable of clamping the cut tab segments 230 and moving them forward to and clamping them at the welding station.
Referring to fig. 1, the welding mechanism 170 is used to weld the tab segment 230 flattened by the burr flattening mechanism 150 to the tab strip 300, and specifically, the tab segment 230 pinched by the second clamping mechanism 160 to the welding station is welded to the tab strip 300.
Referring to fig. 5, in some embodiments of the present application, the welding mechanism 170 includes an anvil 171 and an ultrasonic horn 172.
Referring to fig. 5, the soldering nest 171 is mounted on the frame for supporting the pole piece material strip 300. Wherein, weld seat 171 including welding a seat body 1711 and four welding stage 1712, four welding stage 1712 are located the four corners of welding a seat body 1711 respectively, four upper surface parallel and level of welding stage 1712 to support the pole piece material area 300 of marcing along the second direction.
As will be readily appreciated, one welding station 1712 corresponds to one welding station. In the actual process, the most suitable one of the pads 1712 is used according to the actual situation. For example, in some embodiments of the present application, first welding station 1713 is selected as the welding station.
Referring to fig. 5, the ultrasonic horn 172 includes a mounting portion 1724, the mounting portion 1724 is used for mounting an execution end of an external mechanical arm, and the ultrasonic horn 172 can weld the pole piece strip 300 and the tab segment 230 placed on the welding seat 171 into a whole under the driving of the external mechanical arm (not shown).
In some embodiments of the present application, the ultrasonic horn 172 comprises a horn base 1721 and a plurality of sets of horns 1722. The welding heads 1721 are connected with an execution end of an external mechanical arm through a mounting portion 1724, the multiple sets of welding heads 1722 are mounted on the welding heads 1721, and one of the multiple sets of welding heads 1722 is used for welding the tab segment 230 to the pole piece material strip 300. For example, when first welding station 1713 is acting as a welding station, welding is performed using first welding horn set 1723.
The working principle of the tab cutting and welding device 100 according to the embodiment of the present application is described below.
The welding seat 171 supports the pole piece material strip 300 extending along the second direction;
the feeding mechanism drives the tab material belt 200 to be transferred forward along a first direction;
the sensor 130 senses that a sol part 220 passes through the sensing range 131, and sends a mutation signal to an external controller;
the feeding mechanism responds to the sudden change signal, and stops driving the tab material belt 200 to advance immediately or after T seconds according to the actually required cutting position, so that the cutter mechanism 120 is positioned at the preset position on the tab material belt 200;
the first correcting component 111 and the second correcting component 112 clamp the tab material belt 200 together, so that the center line of the section to be cut is aligned with the center line of the cutter mechanism 120, and accurate cutting is facilitated;
the upper cutter 122 moves downwards to cut off the tab material tape 200 together with the cutter seat 121, so as to form a tab section 230;
the upper cutter 122 is reset, the first clamping mechanism 140 clamps the tab section 230 and forwards moves the tab section to a flattening station;
the first clamping mechanism 140 clamps a portion of the tab segment 230 close to the second end 232, and in the burr leveling mechanism 150, the upper bat block 151 and the lower bat block 152 are close to each other, so that the first bat surface 1511 and the second bat surface 1521 jointly level the first end 231 of the tab segment 230;
the burr leveling mechanism 150 is reset;
the second clamping mechanism 160 clamps the flattened tab segment 230 near the second end 232 and moves forward to the welding station, specifically, the tab segment 230 extends in a first direction, the first end 231 is located at the first welding station 1713, and the first edge 221 of the sol portion 220 is aligned with the second edge 311 of the pole piece web 300;
the first clamping mechanism 140 is reset;
the welding process of one tab segment 230 is completed, and the second clamping mechanism 160 releases the tab segment 230 and resets it;
the pole piece material strap 300 is driven by the external driving mechanism to move to the next preset welding position along the second direction.
In the tab cutting and welding device 100 according to the embodiment of the present application, after the tab segment 230 is removed from the cutter mechanism 120 by the first clamping mechanism 140, the feeding mechanism, the restoring mechanism 110, and the cutter mechanism 120 may perform the next cutting operation; after the second clamping mechanism 160 removes the tab segment 230 from the staking station, the burr staking mechanism 150 may perform a staking process on the next tab segment. The three transfer mechanisms can act in coordination to form a continuous production line, and can efficiently weld the tab segments 230 to the pole piece strip 300.
It should be noted that the features of the embodiments in the present application may be combined with each other without conflict.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (10)
1. The utility model provides a utmost point ear cuts welding set which characterized in that includes:
a frame;
the righting mechanism is used for righting the lug material belt;
the cutter mechanism is used for cutting the tab sections;
the first clamping mechanism is used for clamping and conveying the cut tab sections to a leveling station;
the burr patting mechanism is used for patting the lug sections positioned at the patting station;
the second clamping mechanism is used for clamping and conveying the leveled tab section to a welding station;
and the welding mechanism is used for welding the tab sections flattened by the burr flattening mechanism to the pole piece material belt.
2. The tab cutting and welding device as claimed in claim 1, wherein the reforming mechanism comprises two reforming assemblies disposed at front and rear sides of the cutter mechanism along a traveling path of the tab material strip, each reforming assembly being mounted to the frame and capable of reforming the tab material strip at left and right sides thereof.
3. The tab cutting and welding device as claimed in claim 1, wherein the cutter mechanism includes a cutter seat and an upper cutter, the cutter seat and the upper cutter are respectively located at upper and lower sides of the tab material strip and are oppositely arranged, the cutter seat is mounted on the frame, and the upper cutter can be close to the cutter seat to cooperate with the cutter seat to jointly cut off the tab material strip.
4. The tab cutting and welding device according to claim 1, further comprising a feeding mechanism and a sensor, wherein the feeding mechanism is used for driving the tab material belt to advance along the advancing path of the tab material belt, the sensor is arranged on the upper side of the tab material belt, the tab material belt is provided with a plurality of glue dissolving portions at intervals along the length direction of the tab material belt, the sensor sends a sudden change signal to an external controller when detecting one glue dissolving portion, and the feeding mechanism can respond to the sudden change signal to stop driving the tab material belt to advance.
5. The tab cutting and welding device according to claim 1, wherein the burr leveling mechanism comprises an upper leveling block and a lower leveling block which are arranged oppositely, a leveling station is formed between the upper leveling block and the lower leveling block, the first clamping mechanism can clamp the tab section at the leveling station, and the upper leveling block and the lower leveling block can approach each other to level the tab section.
6. The tab cutting and welding device as claimed in claim 5, wherein the burr leveling mechanism further comprises an upper flap driving member, the upper flap driving member is mounted on the frame and can drive the upper flap to move up and down, and the upper flap is adjustably connected to the output end of the upper flap driving member along the front-back direction of the tab material strip.
7. The tab cutting and welding device as claimed in claim 6, wherein the upper pat is provided with a waist hole, the waist hole extends along the front-back direction of the tab material belt, and the waist hole is used for being matched with a screw member to mount the upper pat on the output end of the upper pat driving member.
8. The tab cutting and welding device according to claim 1, wherein the welding mechanism comprises a welding base and an ultrasonic welding head, the welding base is mounted on the frame, and the ultrasonic welding head can be driven by an external mechanical arm to weld the tab segment and the pole piece material strip placed on the welding base into a whole.
9. The tab cutting and welding device as claimed in claim 8, wherein the welding seat comprises four welding stations, the four welding stations are respectively located at four corners of the welding surface of the welding seat, and the upper surfaces of the four welding stations are flush.
10. The tab cutting and welding device according to claim 8, wherein the ultrasonic welding head comprises a welding head base and a plurality of sets of welding heads, the welding head base is used for being connected with an execution end of an external mechanical arm, the plurality of sets of welding heads are all mounted on the welding head base, and one of the plurality of sets of welding heads is used for welding the tab segment to the pole piece material belt.
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| CN202020151251.0U CN211680914U (en) | 2020-02-03 | 2020-02-03 | Utmost point ear cuts welding set |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116867597A (en) * | 2022-06-27 | 2023-10-10 | 宁德时代新能源科技股份有限公司 | Welding method, welding device and battery manufacturing equipment |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116867597A (en) * | 2022-06-27 | 2023-10-10 | 宁德时代新能源科技股份有限公司 | Welding method, welding device and battery manufacturing equipment |
| WO2024000128A1 (en) * | 2022-06-27 | 2024-01-04 | 宁德时代新能源科技股份有限公司 | Soldering method, soldering device, and battery manufacturing apparatus |
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Address after: 215100 No. 9, Zhufeng Road, Mudu Town, Wuzhong District, Suzhou City, Jiangsu Province Patentee after: Suzhou jieruisi Intelligent Technology Co.,Ltd. Address before: 215100 No.15, Mudu Town, Wuzhong District, Suzhou City, Jiangsu Province Patentee before: Suzhou jieruisi Intelligent Technology Co.,Ltd. |