KR20210125130A - System for manufaturing the lead tab - Google Patents

Abstract

The present invention relates to a lead tab manufacturing system to continuously manufacture lead tabs. According to one embodiment of the present invention, the lead tab manufacturing system comprises: a metal cutting unit producing a plurality of metal leads by cutting metal to a predetermined lead length while the metal is unwound from a metal reel in a processing direction; and a lead tab manufacturing unit receiving the metal leads supplied from the metal cutting unit and arranging the metal leads in two rows in pair unit to fuse the metal leads with an insulation film while transferring the metal leads in the processing direction to manufacture the lead taps in pair unit. The metal cutting unit includes: a stacker unit on which the metal leads are stacked; and a lead picker unit adsorbing the metal leads stacked on the stacker unit to move toward the lead tab manufacturing unit while reciprocating between the stacker unit and the lead tab manufacturing unit and moving toward the stacker unit after supplying the metal lead to the lead tab manufacturing unit. The metal leads are supplied to the lead tab manufacturing unit according to the processing speed of the lead tab manufacturing unit.

Description

System for manufaturing the lead tab

The present invention relates to a lead tab manufacturing system, and in detail, a plurality of metal leads cut to a predetermined lead length are stacked on a stacker, and the metal leads are supplied to the lead tab manufacturing unit according to the process speed of the lead tab manufacturing unit. , It relates to a lead tab manufacturing system capable of continuously manufacturing a lead tab without dead time.

In general, portable mobile devices such as cell phones, notebook computers, and personal digital assistants (PDA) use a battery pack containing a rechargeable battery, which is a rechargeable battery, combined with one side of the terminal, and this battery pack is installed on the terminal side. It is provided so that it can be attached to and detached from the device, so it guarantees portability and mobility of the portable terminal.

As described above, secondary batteries, which are rechargeable batteries as well as provide portability and mobility, are batteries that can be repeatedly charged and discharged through reversible interconversion of chemical energy and electrical energy. Recently, lithium with high energy density Secondary batteries are the most widely used.

Referring to FIG. 1 , the secondary battery includes a battery unit 1a and a pouch 2a having an accommodating space in which the battery unit 1a is accommodated.

The battery unit 1a is a unit cell arranged in the order of a positive plate, a separator, and a negative plate, or a bi-cell arranged in the order of a positive plate, a separator, a negative plate, a separator, a positive plate, a separator, and a negative plate. It is constructed by winding in a jelly-roll type according to the battery capacity or by laminating several in a stack type.

At this time, one end of the positive terminal 1 and the negative terminal 2, which are electrode terminals, are electrically connected and drawn out from each electrode plate of the battery unit 1a, and the positive terminal 1 and the negative terminal 2 have a metal The positive electrode tab 3 and the negative electrode tab 4, which are materials, are matched to each other, and one end is connected to each other by welding or the like, and the other end of the positive electrode tab 3 and the negative electrode tab 4 can conduct electricity with the outside. It is provided so as to be exposed to the outside of the sealing part 2b formed on the edge side of the pouch 2a.

In addition, an electrode tab (also called a "terminal tab or lead tab") is constituted by attaching a film 5 to each of the positive electrode tab 3 and the negative electrode tab 4 on both sides thereof, where the film ( 5) functions to prevent leakage of the electrolyte filled in the pouch (2a) and also exhibits an insulating function.

The electrode tab is formed of a metal material (eg, Al) of the positive electrode tab 3 provided in a band-like shape and a metal material (eg, Ni) of the negative electrode tab 4 with a film 5 on both sides thereof. It is provided by fusion fixing using a heat source and then cutting it to a required length and connecting it to the positive terminal 1 side and the negative terminal 2 side by welding or the like.

In addition, after the electrode tab is connected to the positive terminal (1) side and the negative terminal (2) side as described above, the battery part (1a) is stored in the receiving space of the pouch (2a) and the electrolyte is filled, When the pouch (2a) is sealed, it is sealed by thermal fusion in the sealing part (2b).

The lead tab is used as a connection terminal of an external circuit for driving an electronic product using such a secondary battery. To this end, the lead tab is connected to the electrode of the secondary battery, and a film made of a resin is heat-sealed on both sides of the conductive member for sealing and insulation to the outside of the secondary battery.

FIG. 2 schematically illustrates a process of cutting a metal used for manufacturing a lead tab according to the standard of the lead tab.

The metal cutting apparatus according to the prior art includes a metal reel 10 , a feeder 20 , an upper cutter 30 , and a lower cutter 40 .

The metal 10a unwound from the metallyl 10 is pulled in the traveling direction by the feeder 20 and passes between the upper cutter 30 and the lower cutter 40 as much as the lead length of the lead tab. The metal lead 10b is manufactured by cutting by the upper cutter 30 and the lower cutter 40 . However, when all of the metal 10a wound on the methallyl is used, the methallyl 10 must be replaced. During the methallyl replacement, the operation of the metal cutting device stops, and the production of the metal lead 10b is stopped. do. If the dead time of the device, such as the replacement time of the metallyl, is accumulated, the manufacturing speed of the lead tab is slowed down.

Korean Patent No. 10-1090076 (Special) discloses an electrode tab film heat-sealing device for a secondary battery.

According to the present invention, a plurality of metal leads cut to a predetermined lead length are stacked on a stacker, and the metal leads are supplied to the lead tab manufacturing unit according to the process speed of the lead tab manufacturing unit, so that the lead tab can be continuously manufactured without dead time. An object of the present invention is to provide a lead tab manufacturing system.

A lead tab manufacturing system according to an embodiment of the present invention includes: a metal cutting unit for producing a plurality of metal leads by cutting the metal to a predetermined lead length while unwinding from the metal reel in a traveling direction; and a lead tab manufacturing unit that receives the metal leads from the metal cutting unit and produces the lead tabs in pairs by fusion with the insulating film while the metal leads are arranged in two rows in pairs and transported along the moving direction, The metal cutting unit may include: a stacker unit on which metal leads are stacked; And while reciprocating between the stacker unit and the lead tab manufacturing unit, adsorbing the metal leads stacked on the stacker unit, moving toward the lead tab manufacturing unit, and supplying the metal lead to the lead tab manufacturing unit, including a lead picker unit that moves toward the stacker unit Therefore, it is preferable to supply the metal lead to the lead tab manufacturing unit according to the process speed of the lead tab manufacturing unit.

In one embodiment of the present invention, the stacker unit, a stacker body provided with an inner space with an open upper portion; a lead stacker plate installed in the inner space, on which metal leads are mounted; and a stacker operation unit installed on the lead stacker plate, the reference height is preset, and moving the lead stacker plate up and down so that the top metal lead among the metal leads stacked on the lead stacker plate is located at the reference height. do.

In an embodiment of the present invention, the stacker body comprises: a stacker base having a bottom surface of the inner space, a length adjustment rail on the floor surface, and a width adjustment rail orthogonal to the length adjustment rail; a length interval control unit provided with a pair of length interval control plates movably installed on the length control rail, and adjusting the interval between the pair of length interval control plates according to the length of the metal lead; and a pair of width interval control plates movably installed on the width control rail, it is preferable to include a width interval control unit for adjusting the interval between the pair of width interval control plates according to the width of the metal lead.

In an embodiment of the present invention, the lead picker unit includes: a lead picker transport rail installed in a moving direction at the top of the stacker; and a lead picker that is movably installed on the lead picker transfer rail and provided with a suction port to which the metal lead is adsorbed, wherein the lead picker reciprocates along the lead picker transfer rail and the stacker and the lead tab manufacturing unit are reciprocally moved along the lead picker transfer rail. It is preferable to transfer the lead tab to the lead tab manufacturing unit.

In one embodiment of the present invention, the metal cutting unit, the cutting unit for cutting the metal; a feeder installed between the metal reel and the cutting part, the lead length being preset, and pulling the metal in the moving direction by the lead length; and a cutting gripper part installed between the cutting part and the lead holder, and holding the end of the metal when the cutting part is operated; and a lead holder installed between the cutting unit and the stacker unit, on which the metal leads are mounted, and the lead picker unit reciprocates between the lead holder and the stacker unit, adsorbs the metal leads mounted on the lead holder and moves toward the stacker unit. and it is preferably operated to blow the metal lead into the stacker unit.

In one embodiment of the present invention, the cutting gripper part is installed reciprocally between the cutting part and the lead holder, and after the cutting is completed, the metal lead is moved to the lead holder while holding the end of the metal lead, and the metal lead is placed on the lead holder. It is preferable to actuate it to return to its original position after release.

In one embodiment of the present invention, the cutting gripper unit is provided with an upper gripper block, a lower gripper block and a rotation shaft, the upper gripper block and the lower gripper block are operated to abut or spread apart, and rotate at a predetermined angle by the rotation shaft cutting gripper; And spaced apart from the rotation shaft, installed in contact with the lower surface of the cutting gripper, the cutting gripper is rotated counterclockwise at a predetermined angle and contracted by the pressing force, and when the pressing force of the cutting gripper is released, the cutting gripper is pushed up by restoring force It is preferred to include an actuated buffer.

In one embodiment of the present invention, the cutting unit is spaced apart from the feeder and installed on the path of the metal, the cutter body having a lower cutter; and an upper cutter that is installed in the cutter body from the upper part of the lower cutter so as to be liftable and falls toward the lower cutter and cuts the metal in contact with the lower cutter, and the cutting part holds the end of the metal. It is preferable that the metal placed on the lower cutter is operated to be cut by the upper cutter and the lower cutter by descending toward the lower cutter.

In an embodiment of the present invention, the lead tab manufacturing unit includes: a lead seating unit on which a pair of metal leads are mounted in two rows; a film attachment unit for attaching an insulating film to the upper and lower surfaces of the metal lead at positions spaced apart from the ends of the metal leads at a predetermined interval; a film cutting unit in which the insulating film is cut to a predetermined film length and supplying the insulating film to the film attaching unit; A heating unit that applies heat to the metal lead while pressing the insulating film up and down to fuse the insulating film to the metal lead; a cooling unit for cooling the metal lead or the insulating film while pressing the insulating film up and down; a trimming unit for trimming both ends of the insulating film so that both ends of the insulating film protrude from both sides of the metal lead by a predetermined film interval by aligning both sides of the metal lead; and a process gripper part that catches a pair of metal leads and transfers them from the corresponding process to the next process, and then returns to the original position when separated from the pair of metal leads. It is preferable that any one of the film attaching process of the negative part, the heating process of the heating part, the cooling process of the cooling part, or the trimming process of the trimming part.

In one embodiment of the present invention, the process gripper portion, between the lead seat portion and the trimming portion, parallel to the lead seat portion and the trimming portion process transfer rail; a process gripper unit provided with a pair of process grippers operated to hold or release a metal lead in a clamping manner, and a pair of process grippers arranged in two rows; and a process gripper seating unit movably installed on the process transport rail and arranged to be spaced apart from each other in a line, each process gripper unit includes a pair of process grippers including a lead seat part, a film attachment part, The heating part, the cooling part, and the trimming part are positioned to face each other, and each process gripper unit grabs a pair of metal leads in the process, moves to the next process by the process gripper seating unit, and places a pair of metal leads It is preferable to return to the original position again.

The present invention considers variables such as the speed difference between the manufacturing process of the metal lead of the metal cutting part and the lead tab manufacturing process of the lead tab manufacturing part, and the replacement of metallyl, stacking a plurality of metal leads on a stacker, By supplying metal leads to the lead tab manufacturing unit according to the process speed, lead tabs can be continuously manufactured without dead time.

1 is a perspective view of a secondary battery provided with a pair of lead tabs;
2 is a schematic diagram illustrating a configuration of an apparatus for manufacturing a lead tab according to the related art.
3 is a schematic plan view of a lead tab manufacturing system according to an embodiment of the present invention.
4 schematically shows an operation state diagram of a metal cutting unit according to an embodiment of the present invention.
5 and 6 schematically show a perspective view of a metal cutting part according to an embodiment of the present invention.
7 schematically shows a perspective view of a cutting part and a cutting gripper part according to an embodiment of the present invention.
8 schematically shows a front view of a cutting gripper according to an embodiment of the present invention.
9 and 10 schematically show a perspective view of a stacker according to an embodiment of the present invention.
11 schematically illustrates a perspective view of a lead tab manufacturing unit according to an embodiment of the present invention.
12 is a schematic plan view of a lead tab manufacturing unit according to an embodiment of the present invention.

Hereinafter, a lead tab manufacturing system according to a preferred embodiment of the present invention will be described with reference to the accompanying drawings.

A lead tab manufacturing system according to an embodiment of the present invention includes a metal cutting unit 100a and a lead tab manufacturing unit 200a. The metal cutting unit 100a is a device for manufacturing a metal lead by cutting metal to a lead length. The lead tab manufacturing unit 200a is a device for manufacturing the lead tab 20 by fusion bonding the insulating film 22 to the metal lead 21 .

As shown in FIG. 3 , aa includes a metal cutting part 100a and a lead tab manufacturing part 200a.

The metal cutting unit 100a is a device for manufacturing a plurality of metal leads 21 by cutting metal to a predetermined lead length. The metal cutting unit 100a discharges the plurality of metal leads 21 in a line.

Since the size of the metal lead 21 can be varied according to the field to which the lead tab is applied, the specification of the lead tab is not particularly limited in this embodiment. The metal may be made of the same material or different materials. have. The material of the metal may vary depending on whether the lead tab 20 is used for the positive electrode tab or the negative electrode tab of the battery.

4 to 6 , the metal cutting unit 100a includes a cutting base 111 , a metallyl 112 , a metal rolling unit 115 , a feeder 120 , a metal separation prevention unit 119 , and a metal gripper. 118 , a cutting unit 130 , a cutting gripper unit 150 , a lead holder 159 , a stacker unit 160 , and a lead picker unit 170 . In this embodiment, the metal reel 112, the metal rolling unit 115, the feeder 120, the cutting unit 130, the cutting gripper unit 150, the lead holder 159, the stacker unit 160 and the lead pick The Kebu 170 is arranged in a line.

The metal reel 112 is a reel in which a metal is wound. The metallyl 112 is rotatably installed on the cutting base 111 . The metal is a metal or a second metal. In the present embodiment, the moving direction is a direction in which the metal 10 unwound from the methallyl 112 moves toward the cutting unit 130 .

5 and 6 , the metal rolling part 115 is installed between the metal reel 112 and the feeder 120 . The metal rolling unit 115 includes a plurality of upper flattening rollers 115a and a plurality of lower flattening rollers 115b. The upper flattening roller 115a and the lower flattening roller 115b rotate in opposite directions to push the metal in the moving direction while pressing the metal in the vertical direction. By the operation of the metal rolling unit 115 , the metal unwound from the metal reel 112 is flattened while passing through the metal rolling unit 115 .

The feeder 120 has a preset lead length, pulls the metal from the metal reel 112 in the forward direction by the lead length, returns to the original position, and pulls the metal by the lead length again. The feeder 120 includes a feeder transfer unit 121 and a feeder gripper 122 .

The feeder transfer unit 121 is installed on the cutting base 111 in parallel with the moving direction. A feeder gripper 122 is installed in the feeder transfer unit 121 to be movable back and forth in the traveling direction.

The feeder gripper 122 grabs both sides of the metal and pulls the lead length along the feeder transfer unit 121 in the moving direction. When the feeder 120 is operated, the metal 10 passes through the cutting part 130 as much as the lead length.

When the movement of the metal is restricted by the metal gripper 118 and the cutting gripper unit 150, the feeder gripper 122 is separated from the metal being held while moving vertically away from both sides of the metal. Then, the feeder gripper 122 is moved to the original position while moving backward by the feeder transfer unit 121 .

The metal gripper 118 is installed between the feeder 120 and the cutting part 130 . When the cutting part 130 is operated, the metal gripper 118 is operated to hold the metal together with the cutting gripper part 150 to be described later, thereby limiting the movement of the metal. In addition, the metal gripper 118 is operated to be separated from the metal 10 after the cutting of the cutting unit 130 is completed, so that the movement of the metal is not affected when the feeder 120 is operated.

The metal separation prevention part 119 guides the entry of the metal into the cutting part 130 . The metal separation prevention part 119 is in contact with both sides of the metal 10, and guides the movement of the metal entering the cutting part 130 while idling according to the movement of the metal 10, thereby preventing the metal from being separated.

The cutting unit 130 cuts the metal to manufacture a metal lead 21 having a lead length. The metal lead 21 is the metal lead 21 or the second metal lead 21 . The metal lead is a plate in which metal is cut to the lead length, and the second metal lead is a plate in which the second metal is cut to the lead length.

6 and 7 , the cutting unit 130 is installed between the feeder 120 and the cutting gripper unit 150 . The cutting unit 130 includes a cutting body 131 , a lower cutter 132 , and an upper cutter 133 .

The cutting body 131 is disposed perpendicular to the cutting base 111 . The lower cutter 132 is installed on the cutting body 131 . The upper cutter 133 is installed so as to be liftable from the upper part of the lower cutter 132 to the cutting body 131 .

When the feeder 120 is operated, the metal passes through the lower cutter 132 as much as the lead length. At this time, the metal is placed on the lower cutter 132 . The upper cutter 133 cuts the metal together with the lower cutter 132 while falling toward the lower cutter 132 . After the metal cutting is completed, the upper cutter 133 moves upward and downward, and is positioned to be spaced apart from the lower cutter 132 .

The cutting gripper unit 150 restricts movement of the metal by holding the end of the metal that has passed through the cutting unit 130 before cutting the metal, and transfers the metal lead 21 to the lead holder 159 after the metal cutting is completed. 7 and 8 , the cutting gripper unit 150 includes a cutting gripper transfer rail (not shown), a cutting gripper support 153 , a cutting gripper 151 , and a buffer unit 152 .

A cutting gripper transfer rail (not shown) is installed between the cutting unit 130 and the lead holder 159 in parallel with the traveling direction. The cutting gripper support 153 is installed on a cutting gripper transfer rail (not shown). The cutting gripper support 153 reciprocates between the cutting part 130 and the lead holder 159 along a cutting gripper transfer rail (not shown).

The cutting gripper 151 is rotatably installed at a predetermined angle on the cutting gripper support 153 by a rotating shaft. The cutting gripper 151 includes a gripper body 151d, an upper gripper block 151a, a lower gripper block 151b, and a rotation shaft 151c.

An upper gripper block 151a and a lower gripper block 151b are installed on the front surface of the gripper body 151d to be movable up and down. The cutting gripper 151 holds or places a metal end while the upper gripper block 151a and the lower gripper block 151b are in contact with each other or are operated to spread apart.

The cutting gripper 151 is rotatably installed at a predetermined angle on the cutting gripper support 153 by the rotation shaft 151c. The cutting gripper 151 is rotated counterclockwise at a predetermined angle toward the cutting direction while holding the end of the metal when the cutting part 130 is cut, and distributes the force applied to the portion holding the end of the metal in the cutting direction. .

The cutting gripper unit 150 is operated to return to the original position by the restoring force while holding the metal lead 21 by the restoring force of the buffer unit 152 after the cutting of the cutting unit 130 is completed. The buffer part 152 is spaced apart from the rotation shaft and installed in contact with the lower surface of the cutting gripper 151 .

The buffer part 152 is contracted by a pressing force while the cutting gripper 151 is rotated counterclockwise at a predetermined angle, and when the pressing force of the cutting gripper 151 is released, the cutting gripper 151 is pushed up by restoring force. It works. The buffer unit 152 may be a cylinder type regulator. In the present invention, the force (pressure) withstanding the cutting gripper 151 is adjusted by the buffer unit 152 to prevent the metal caught by the cutting gripper 151 from being crushed when the cutting unit 130 is cut.

After the cutting of the cutting part 130 is completed, the cutting gripper unit 150 moves to the lead holder 159 while holding the end of the metal lead 21, and places the metal lead 21 on the lead holder 159. After that, it works to return to the original position. The lead holder 159 is installed between the cutting unit 130 and the stacker. The metal leads 21 mounted on the lead holder 159 are transferred to the stacker unit 160 by a lead picker unit 170 to be described later.

In the stacker unit 160 , a plurality of metal leads 21 are stacked. 9 and 10 , the stacker unit 160 includes a stacker body unit 161 , a lead stacker plate 165 , and a stacker height adjustment unit 166 .

The stacker body 161 is provided with an inner space with an open top. The stacker body unit 161 includes a stacker base 162 , a length interval adjusting unit 163 , and a width interval adjusting unit 164 . The stacker body unit 161 can adjust the length and width of the stacker body unit 161 by the length interval control unit 163 and the width interval control unit 164 according to the standard of the metal lead.

The stacker base 162 forms the bottom surface of the inner space of the stacker body 161 . The stacker base 162 is provided with a length adjustment rail 162a and a width adjustment rail 162b orthogonal to the length adjustment rail 162a.

The length gap adjusting unit 163 includes a pair of length gap adjusting plates 163a and 163b. A pair of length spacing adjustment plates (163a, 163b) are installed on the length adjustment rail (162a) to face each other. A pair of length spacing adjusting plates 163a and 163b constitute the side surfaces of the stacker body 161 .

The length gap adjusting unit 163 is a pair of length gap adjusting plates 163a and 163b to move closer to each other or to move away from each other along the length adjusting rail 162a. Adjust.

The width gap adjusting unit 164 includes a pair of width gap adjusting plates 164a and 164b. A pair of width interval control plates (164a, 164b) are installed to face each other, the width control rail (162b). A pair of width interval adjusting plates 164a and 164b constitute the side surfaces of the stacker body 161 .

Width spacing adjustment unit 164 is a pair of width interval adjustment plate (164a, 164b) along the width adjustment rail (162b) closer to each other or away from each other, the distance between the pair of width interval adjustment plate (164a, 164b) Adjust.

The lead stacker plate 165 is a plate on which the metal leads 21 are mounted. The lead stacker plate 165 is installed so as to be able to move up and down in the inner space of the stacker body 161 . The lead stacker plate 165 is coupled to the stacker height adjustment unit 166 .

The stacker height adjustment unit 166 has a preset reference height, and the lead stacker plate 165 is positioned so that the uppermost metal lead 21 among the metal leads 21 stacked on the lead stacker plate 165 is located at the reference height. move up or down. Here, the reference height is a height at which the uppermost metal lead among the plurality of metal leads stacked on the lead stacker plate 165 can be adsorbed to the lead picker unit 170 .

When the number of metal leads stacked on the lead stacker plate 165 increases, the lead stacker plate 165 is moved downward toward the stacker base 162 by the stacker height adjustment unit 166 . When the number of metal leads stacked on the lead stacker plate 165 is reduced by the operation of the lead picker unit 170 to be described later, the lead stacker plate 165 is lifted upward by the stacker height adjustment unit 166. .

The lead picker unit 170 is a device for transferring the metal leads 21 stacked on the stacker unit 160 to the lead tab manufacturing unit. 4 and 5 , the lead picker unit 170 includes a lead picker transfer rail 171 and a lead picker 172 .

The lead picker transport rail 171 is installed on the top of the stacker unit 160 in parallel with the moving direction. The lead picker 172 is movably installed on the lead picker transport rail 171 . The lead picker 172 can reciprocate between the lead holder 159 and the stacker unit 160 , the stacker unit 160 and the lead tab manufacturing unit 200a along the lead picker transport rail 171 .

The lead picker 172 is provided with a suction port to which the metal lead 21 is adsorbed. The lead picker 172 provides vacuum pressure through the suction port. The lead picker 172 moves to the upper portion of the lead holder 159 along the lead picker transport rail 171 , and provides pneumatic pressure to the suction port to adsorb the metal lead 21 mounted on the lead holder 159 .

The lead picker 172 adsorbs the metal lead 21 through the suction port, and then moves along the lead picker transport rail 171 toward the stacker unit 160, and is adsorbed when positioned at the top of the stacker unit 160. Blow the metal lead 21 with the stacker by releasing the pneumatic pressure of the sphere. This process is repeated until the metal lead 21 is supplied to the lead tab manufacturing unit 200a.

Then, the lead picker 172 reciprocates between the stacker unit 160 and the lead tab manufacturing unit, adsorbs the metal leads 21 stacked on the stacker unit 160, and moves toward the lead tab manufacturing unit 200a, and the metal After the lead 21 is supplied to the lead tab manufacturing unit, it moves toward the stacker unit 160 . Accordingly, according to the present invention, the metal lead 21 can be supplied to the lead tab manufacturing unit according to the process speed of the lead tab manufacturing unit.

The present invention considers variables such as the speed difference between the manufacturing process of the metal lead of the metal cutting part and the lead tab manufacturing process of the lead tab manufacturing part, and the replacement of metallyl, stacking a plurality of metal leads on a stacker, By supplying metal leads to the lead tab manufacturing department according to the process speed, continuous production of lead tabs is possible without dead time.

As shown in FIG. 3 , the lead tab manufacturing unit 200a is connected to the metal cutting unit 100a. In the lead tab manufacturing unit, the metal lead 21 manufactured by the metal cutting unit 130 passes through the lead tab manufacturing unit, and the insulating film 22 is attached to a position spaced apart from the front end of the metal lead 21 at regular intervals. , a device for manufacturing the lead tab 20 according to the standard of the lead tab 20 .

In the lead tab manufacturing unit 200a, the metal leads 21 supplied from the metal cutting unit 100a are arranged in two rows in a pair, so that the insulating film 22 is formed at a predetermined position of the metal leads 21 ( 21), the lead tabs 20 are manufactured in pairs by fusion to the upper and lower surfaces.

The lead tab manufacturing unit 200a includes a lead seating unit 210, a film attaching unit 220, a film cutting unit 230, a film rolling unit 240, a heating unit 250, a cooling unit 260, a trimming unit ( 270 ), a process gripper unit 280 , and a lead tab transfer unit 290 .

In the lead tab manufacturing unit 200a, a lead mounting unit 210, a film attaching unit 220, a film rolling unit 240, a heating unit 250, a cooling unit 260, a trimming unit 270, and a lead tab transfer unit 290 are arranged in a line in the advancing direction.

The lead seating unit 210 is a device on which the metal lead 21 transferred from the lead picker unit 170 is mounted. An alignment process of aligning the pair of metal leads 21 in two rows is performed on the lead seating unit 210 .

12 and 14 , the lead mounting unit 210 includes a pair of lead mounting units 211 and 212 and a mounting unit operating unit (not shown).

Referring to FIG. 15 , a pair of lead mounts 211 and 212 are arranged in parallel in two rows, side by side in the traveling direction. A pair of metal leads 21 are respectively seated on the pair of lead mounts 211 and 212 . The seating table operation unit (not shown) controls the rotational operation of each of the lead seating tables 211 and 212 . The pair of lead mounts 211 and 212 are rotated at a predetermined angle by a seater operating unit (not shown), so that the ends of the metal leads 21 can be positioned toward a process gripper to be described later.

The film attaching unit 220 is a device for attaching the insulating film 22 to the upper and lower surfaces of the metal lead 21 . The film attachment part 220 attaches the insulating film 22 to the metal lead 21 at positions spaced apart by a predetermined distance from the end of the metal lead 21 .

The film cutting unit 230 cuts the insulating film 22 to a predetermined film length, and provides the insulating film 22 to the film attaching unit 220 . The film length is variable according to the standard of the lead tab.

The film rolling unit 240 is installed between the film attaching unit 220 and the heating unit 250 . The film rolling unit 240 includes an upper film roller (not shown) and a lower film roller (not shown). The upper film roller and the lower film roller are positioned to face each other, and the insulating film 22 is rolled while rotating in opposite directions to adhere the insulating film 22 to the metal lead 21 . The film rolling unit 240 rolls the insulating film 22 on the upper and lower surfaces of the metal lead 21 to improve the adhesive force between the metal lead 21 and the insulating film 22 .

When the insulating film 22 is adhered to the metal lead 21 by the film rolling process as described above, the heating process for the metal lead 21 is performed after pre-heating the insulating film 22 .

A plurality of heating units 250 may be installed in the moving direction of the metal lead 21 . The plurality of heating units 250 may set an optimal fusion condition by differentiating each other in heating temperature, contact object, contact time, and the like.

In this embodiment, the heating unit 250 will be described separately as a film heating unit 250a and a metal heating unit 250b. The film heating unit 250a is installed between the film attaching unit 220 and the metal heating unit 250b.

The film heating unit 250a includes a pair of film heating blocks (not shown) that can be moved up and down. The film heating unit 250a is in contact with the upper and lower surfaces of the metal lead 21 while simultaneously lifting or lowering the pair of film heating blocks, pressurizing the insulating film 22, while pressing the metal at a preset first heating temperature. Heat is applied to the lead (21). Here, the first heating temperature is a temperature for preheating the metal lead, and is variable depending on the material of the metal lead 21 and the material of the insulating film 22 . In this embodiment, specific values for the heating temperature are omitted.

The metal heating unit 250b includes a pair of metal heating blocks (not shown). The metal heating unit 250b is in contact with the upper and lower surfaces of the metal lead 21 while simultaneously lifting or lowering the pair of metal heating blocks, while pressing the insulating film 22, the metal at a preset second heating temperature. Heat is applied to the lead 21 to fusion-bond the insulating film 22 to the metal lead 21 . The second heating temperature is a temperature higher than the first heating temperature.

In the present invention, as the heating unit 250 preheats the metal lead 21 to the first heating temperature, and then heats the metal lead 21 to the second heating temperature, the metal lead 21 of the insulating film 22 During fusion in the furnace, it is possible to prevent the generation of air bubbles between the insulating film 22 and the metal lead 21 due to the difference in material between the metal and the film.

The cooling unit 260 is a metal lead discharged from the heating unit 250 in order to remove the physical deformation such as wrinkling and thermal deformation generated during the transport and fusion process of the metal lead 21 to which the insulating film 22 is fused. (21) is a cooling device.

The cooling unit 260 includes a metal cooling unit 260a and a film cooling unit 260b. The metal cooling unit 260a is installed between the metal heating unit 250b and the film cooling unit 260b. The metal cooling unit 260a is provided with a pair of heat dissipation blocks (not shown).

The metal cooling unit 260a is in contact with the upper and lower surfaces of the metal lead 21 while simultaneously lifting or lowering the pair of heat dissipation blocks, pressurizing the insulating film 22, and taking heat from the metal lead 21 The metal lead 21 is cooled.

In this embodiment, when the temperature sensed by the temperature sensor reaches a preset cooling temperature, the metal cooling unit 260a is operated to automatically separate a pair of heat dissipation blocks from the metal leads 21 .

Conventionally, the insulating film 22 is naturally cooled while the fused metal is transferred, but in the present invention, a pair of heat dissipation blocks press the lead tab 20 up and down while the lead tab is heated by the heating unit 250 ( 20) by forcibly taking heat away from the metal lead 21 to shorten the cooling time of the metal lead 21, so that the production speed of the lead tab 20 can be improved.

In the present invention, the metal lead 21 manufactured according to the lead tab standard is individually cooled through a pair of heat dissipation blocks, and when a preset cooling temperature is reached, the upper heat dissipation block 261a and the lower heat dissipation block 262a form the metal leads ( 21), the appearance quality of the lead tab 20 can be constantly secured, and the reliability of the product can be improved.

The film cooling unit 260b is a device for preventing the shape deformation of the insulating film 22 by pressing the insulating film 22 after the metal cooling process of the metal cooling unit 260a. The film cooling unit 260b is provided with a pair of film pressing blocks made of a silicon material. The film cooling unit 260b is in contact with the upper and lower surfaces of the metal lead 21 while simultaneously lifting or lowering a pair of film pressurizing blocks, presses the insulating film 22, and the insulating film 22 is the metal lead. (21) to be uniformly attached.

The trimming part 270 grabs both sides of the metal lead 21 and aligns the alignment, so that both ends of the insulating film 22 protrude to both sides of the metal lead 21 by a predetermined film interval, the insulating film 22 ) is a device for trimming the edges of both ends.

The process gripper unit 280 is a device that grabs a pair of metal leads 21 in a two-row arrangement and transfers them from the corresponding process to the next process. The process gripper unit 280 includes a process transfer rail 281 , a process gripper seating unit 282 , and process gripper units 283a to 283j.

The process transport rail 281 is installed between the lead seating part 210 and the trimming part 270 in a moving direction, parallel to the lead seating part 210 and the trimming part 270 .

The process gripper seating unit 282 is movably installed on the process transfer rail 281 . A plurality of process gripper units 283a to 283j are installed to be spaced apart in a line on the upper surface of the process gripper seating unit 282 .

The process gripper units 283a to 283j include a pair of process grippers 284 and 285 . The pair of process grippers 284 and 285 are operated to hold or release the metal lead 21 in a clamping manner at the same time. The pair of process grippers 284 and 285 are arranged in two rows in the moving direction.

Each process gripper unit 283a to 283j has a pair of process grippers 284 and 285 including a lead seating part 210, a film attachment part 220, a heating part 250, a cooling part 260 and a trimming part. It is installed in the process gripper seating unit 282 to face the 270 .

Each process gripper unit 283a to 283j grabs a pair of metal leads 21 of the corresponding process, moves to the next process by the process gripper seating unit 282, and places a pair of metal leads 21 It works to return to the original position.

The process includes an alignment process of the lead seating part 210, a film attachment process of the film attachment part 220, a heating process of the heating part 250, a cooling process of the cooling part 260, or a trimming process of the trimming part 270. which one

For example, each of the process gripper units 283a to 283j includes a lead seating part 210 , a film attachment part 220 , a film rolling part 240 , a film heating part 250a , and a metal heating part 250b . ), the metal cooling part 260a and the film cooling part 260b are positioned to face each other, and when the corresponding process is completed, a pair of process grippers 284 and 285 provided in each process gripper unit 283a to 283j. holds the pair of metal leads 21 in the process, and the process gripper seating unit 282 moves in the moving direction along the process transfer rail 281 .

Accordingly, each of the process gripper units 283a to 283j includes a film attaching unit 220, a film rolling unit 240, a film heating unit 250a, a metal heating unit 250b, a metal cooling unit 260a, and a film. A pair of process grippers 284 and 285 provided in each of the process gripper units 283a to 283j, positioned to face the cooling part 260b and the trimming part 270, are provided with a pair of metal leads 21 and While being separated, a pair of metal leads 21 are separated in the next process. Thereafter, each of the process gripper units 283a to 283j is retracted in the moving direction by the process gripper seating unit 282 to return to the original position.

As the above process is repeated, the present invention can continuously produce the lead tabs 20 in pairs, thereby improving the production efficiency of the lead tabs 20 .

The lead tab transfer unit 290 is a device that grabs the pair of lead tabs 20 that have been trimmed by the trimming unit 270 and transfers the lead tabs 20 from the trimming unit 270 to the outside. The lead tab transfer unit 290 includes a transfer part rail 291 and a pair of transfer grippers 293 .

The transfer part rail 291 guides the movement of the pair of transfer grippers 293 so that the pair of transfer grippers 293 can enter or retreat into the trimming part 270 . The pair of transfer grippers 293 are operated to hold or release the pair of lead tabs 20 in a two-row arrangement.

The lead tab transfer unit 290 is trimmed while a pair of transfer grippers 293 each enter the trimming unit 270 , hold the pair of lead tabs 20 in a two-row arrangement, and retreat along the transfer part rail 291 . away from part 270 .

The present invention described above is not limited by the above-described embodiments and the accompanying drawings, and it is common in the technical field to which the present invention pertains that various substitutions, modifications, and changes are possible without departing from the technical spirit of the present invention. It will be clear to those who have the knowledge of

100a: metal cutting part
111: cutting base 112: metallyl
115: metal rolling part 118: metal gripper
119: metal separation prevention unit 120: feeder
121: feeder transfer unit 122: feeder gripper
130: cutting unit 131: cutting body
132: lower cutter 133: upper cutter
140: home sensor 150: cutting gripper part
151: cutting gripper 151a: upper gripper block
151b: lower gripper block 151c: rotation shaft
152: buffer part 153: cutting gripper support
159: lead holder 160: stacker unit
161: stacker body 162: stacker base
162a: length adjustment rail 162b: width adjustment rail
163: length interval control unit 163a, 163b: length interval control plate
164: width interval control unit 164a, 164b: width interval control plate
165: lead stacker plate 166: stacker height adjustment unit
170: lead picker unit 171: lead picker transport rail
172: lead picker
200a: lead tab production unit
210: lead mounting unit 220: film mounting unit
230: film cutting unit 240: film rolling unit
250: heating unit 260: cooling unit
270: trimming part 280: process gripper part 281: process transfer rail 282: process gripper seating unit
283a ~ 283j: process gripper units 284, 285: a pair of process grippers 290: lead tab transfer unit

Claims (10)

a metal cutting unit for producing a plurality of metal leads by cutting the metal to a predetermined lead length while unwinding from the metallyl in the traveling direction; and
A lead tab manufacturing unit that receives the metal leads from the metal cutting unit and produces the lead tabs in pairs by fusion with the insulating film while the metal leads are arranged in two rows in pairs and transported along the moving direction including,
The metal cutting unit,
a stacker unit on which the metal leads are stacked; and
While reciprocating between the stacker unit and the lead tab manufacturing unit, the metal leads stacked on the stacker unit are adsorbed to move toward the lead tab manufacturing unit, and after supplying the metal lead to the lead tab manufacturing unit, the stacker unit A lead tab manufacturing system comprising a lead picker unit moving toward the lead tab, and supplying the metal lead to the lead tab manufacturing unit according to a process speed of the lead tab manufacturing unit. According to claim 1, wherein the stacker unit,
A stacker body provided with an open top inside space;
a lead stacker plate installed in the inner space, on which the metal leads are mounted; and
Installed on the lead stacker plate, the reference height is preset, the stacker operation unit for lifting or lowering the lead stacker plate so that the top metal lead among the metal leads stacked on the lead stacker plate is located at the reference height. Lead tab manufacturing system, characterized in that it comprises. According to claim 2, wherein the stacker body,
a stacker base that forms a bottom surface of the inner space and is provided with a length control rail on the bottom surface and a width control rail orthogonal to the length control rail;
a length interval control unit provided with a pair of length interval control plates movably installed on the length control rail, and adjusting the interval between the pair of length interval control panels according to the length of the metal lead; and
A pair of width interval control plates movably installed on the width control rail is provided, and a lead tab comprising a width interval control unit for adjusting an interval between the pair of width interval control plates according to the width of the metal lead. production system. According to claim 1, wherein the lead picker unit,
a lead picker transport rail installed in the moving direction at the top of the stacker; and
and a lead picker movably installed on the lead picker transfer rail and provided with a suction port to which the metal lead is adsorbed,
The lead tab manufacturing system according to claim 1, wherein the lead picker transfers the lead tab adsorbed from the stacker to the lead tab manufacturing unit while reciprocating the stacker and the lead tab manufacturing unit along the lead picker transfer rail. According to claim 1, wherein the metal cutting portion,
a cutting unit for cutting the metal;
a feeder installed between the metal reel and the cutting part, the lead length being preset, and pulling the metal in a moving direction by the lead length; and
a cutting gripper part installed between the cutting part and the lead holder to hold the end of the metal when the cutting part is operated; and
and a lead holder installed between the cutting part and the stacker part, on which the metal lead is mounted,
The lead picker unit is moved toward the stacker unit by adsorbing the metal lead mounted on the lead holder while reciprocating between the lead holder and the stacker unit, and blowing the metal lead into the stacker unit. lead tap production system. 6. The method of claim 5,
The cutting gripper part is installed to be reciprocally movable between the cutting part and the lead holder, and after the cutting is completed, the cutting gripper is moved to the lead holder while holding the end of the metal lead, and the metal lead is placed on the lead holder. Lead tab manufacturing system, characterized in that it is operated to return to the original position after. The method of claim 6, wherein the cutting gripper part,
a cutting gripper having an upper gripper block, a lower gripper block and a rotating shaft, the upper gripper block and the lower gripper block are operated to abut or spread apart, and rotated at a predetermined angle by the rotating shaft; and
The cutting gripper is spaced apart from the rotation shaft and is installed in contact with the lower surface of the cutting gripper, and the cutting gripper is rotated counterclockwise at a predetermined angle and contracted by a pressing force. When the pressing force of the cutting gripper is released, the cutting force is restored A lead tab manufacturing system comprising a buffer operated to push up the gripper. The method of claim 6, wherein the cutting portion,
a cutter body spaced apart from the feeder and installed on a moving path of the metal and provided with a lower cutter; and
It includes an upper cutter that is installed in the cutter body from the upper part of the lower cutter so as to be liftable, and comes into contact with the lower cutter while falling toward the lower cutter to cut the metal,
When the cutting gripper part grabs the end of the metal, the cutting part lowers the upper cutter toward the lower cutter so that the metal placed on the lower cutter is cut by the upper cutter and the lower cutter. lead tap production system. According to claim 1, wherein the lead tab manufacturing unit,
a lead seating part on which the pair of metal leads are mounted in two rows;
a film attachment part for attaching the insulating film to the upper and lower surfaces of the metal lead at positions spaced apart from the ends of the metal leads by a predetermined interval;
a film cutting unit in which the insulating film is cut to a predetermined film length and supplying the insulating film to the film attaching unit;
a heating unit that applies heat to the metal lead while pressing the insulating film up and down to fuse the insulating film to the metal lead;
a cooling unit for cooling the metal lead or the insulating film while pressing the insulating film up and down;
a trimming part for trimming both ends of the insulating film so that both ends of the insulating film protrude from both sides of the metal lead by a predetermined film interval by holding both sides of the metal lead; and
and a process gripper part that catches the pair of metal leads and transfers them from the corresponding process to the next process, and then returns to the original position when separated from the pair of metal leads;
The process is a lead tab manufacturing system, characterized in that any one of a second row arrangement process of the lead seat part, a film attaching process of the film attaching part, a heating process of the heating part, a cooling process of the cooling part, or a trimming process of the trimming part. The method of claim 9, wherein the process gripper part,
a process transport rail between the lead seating part and the trimming part, parallel to the lead seating part and the trimming part;
a process gripper unit provided with a pair of process grippers operated to hold or release the metal lead in a clamping manner, wherein the pair of process grippers are arranged in two rows; and
and a process gripper seating unit movably installed on the process transfer rail, wherein the plurality of process gripper units are spaced apart from each other in a line;
In each of the process gripper units, the pair of process grippers are positioned to face the lead seating part, the film attachment part, the heating part, the cooling part, and the trimming part,
Each process gripper unit catches a pair of metal leads of the process, moves to the next process by the process gripper seating unit, and returns to the original position after placing the pair of metal leads Lead tap making system.

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