KR20220124860A - Tape temporary sticking unit for pouch type secondaty battery taping device - Google Patents

Abstract

A disclosed tape attachment unit for a pouch-type secondary battery taping device includes: a suction/adhesive means for vacuum adsorbing a tape taken out from a tape supply unit, and attaching tape cut pieces formed when the tape is cut by the tape supply unit to a folding part of a secondary battery guided to a tape attaching position; a linear moving means for vacuum adsorbing the tape, and linearly movably supporting the suction/adhesive means so as to attach the tape cut pieces to the folding part; and a rotational moving means for vacuum adsorbing the tape, and rotationally moving the suction/adhesive means and the linear moving means to the tape supply unit and the tape attaching position so as to attach the tape cut pieces to the folding part, thereby capable of attaching the tape to the folding part quickly and accurately.

Description

TAPE TEMPORARY STICKING UNIT FOR POUCH TYPE SECONDATY BATTERY TAPING DEVICE}

The present invention (Disclosure) relates to a pouch-type secondary battery taping device capable of attaching a tape to the long side edge of a secondary battery having a folding part formed therein, and in particular, a pouch-type secondary battery taping device that allows the tape to be temporarily attached to the folding part. It relates to a tape bonding unit for a battery taping device.

Herein, background information related to the present invention is provided, which does not necessarily imply prior art (This section provides background information related to the present disclosure which is not necessarily prior art).

In general, a terrace of a long side of a pouch-type secondary battery (hereinafter referred to as a “secondary battery”) is formed with a multi-stage folded folding part.

In addition, a tape is attached to the folding part so that the folding part does not spring back to the state before the folding.

At this time, the tape is cut to a predetermined length and provided. The cut tape is first attached to the folding part (temporarily welded), and the upper and lower sides of the adhesive tape are attached to the upper and lower surfaces of the pouch of the secondary battery (completely welded). do.

On the other hand, the above-described tape attachment to the folding part is performed automatically by using a taping device, etc., however, the conventional tape joining unit constituting the taping device has a long tact time for attaching the tape to the folding part. there was

Korean Patent Publication No. 10-2111445. Korean Patent Publication No. 10-1779950. Korean Patent Publication No. 10-2019-01009146.

An object of the present invention (Disclosure) is to provide a tape-attaching unit for a pouch-type secondary battery taping device that allows the tape to be quickly and accurately bonded to a folding unit.

Herein, a general summary of the present invention is provided, which should not be construed as limiting the scope of the present invention (This section provides a general summary of the disclosure and is not a comprehensive disclosure of its full scope or all of its features).

In order to solve the above problems, the tape bonding unit for a pouch-type secondary battery taping device according to any one aspect of various aspects describing the present invention vacuum-adsorbs the tape drawn out from the tape supply unit, and the tape a suction/attachment means for temporarily bonding the tape cut pieces formed when the tape is cut by the supply unit to the folding part of the secondary battery guided to the tape bonding position; a linear movement means for vacuum-sucking the tape and supporting the suction/attachment means so as to be able to move in a straight line so as to temporarily attach the tape cut pieces to the folding part; and a suction/attachment means and a rotational movement means for rotating the linear movement means to the tape supply unit and the tape welding position so as to vacuum-suck the tape and temporarily attach the tape cut pieces to the folding part.

In the tape fastening unit for a pouch-type secondary battery taping device according to an aspect of the present invention, the rotational moving means is disposed on the lower side of the tape supply unit, and is spaced apart along the length direction of the tape drawn out from the tape supply unit. first and second support frames disposed; a rotation frame rotatably installed between the first and second support frames, and on which the suction/attachment means and the linear movement means are mounted; and a servomotor for determining a rotational position for rotating the rotational frame.

In the tape fastening unit for a pouch-type secondary battery taping device according to an aspect of the present invention, the rotating frame includes first and second end-side walls facing the first and second support frames; first and second side walls connecting one end side and the other end side of the first and second end side walls; and first and second rotation shafts mounted on outer surfaces of the first and second end-side walls and rotatably supported by first and second support frames horizontally extending toward the opposite first and second support frames; Including, the first or second rotation shaft may be connected to a servomotor for determining a rotational position installed in the first or second support frame.

In the tape fastening unit for a pouch-type secondary battery taping device according to an aspect of the present invention, the first and second support frames are positioning frames extending from the tape supply unit to facilitate relative position control with the tape supply unit. can be installed on

In the tape fastening unit for a pouch-type secondary battery taping device according to an aspect of the present invention, the tape supply unit is installed on the upper side of the rotating frame, and the tape cut pieces are temporarily glued to the folding part of the secondary battery at one side of the rotating frame A tape tethering position is provided, and a tape discharging position at which defective tape cut pieces are discharged to the outside may be provided on the other side of the rotating frame.

In the tape fastening unit for a pouch-type secondary battery taping device according to an aspect of the present invention, the linear moving means includes: a conveying cylinder installed inside the rotating frame to extend the cylinder rod toward the open upper side of the rotating frame; and a suction/attachment slider installed at the extension end of the cylinder rod and mounted with suction/attachment means, wherein both ends of the suction/attachment slider extend to the outside of the first and second end side walls of the rotating frame, The first and second end side walls may be provided at a lower height than the first and second side side walls.

In the tape binding unit for a pouch-type secondary battery taping device according to an aspect of the present invention, on the inner surface of the first and second side walls, suction along the vertical longitudinal direction of the first and second side walls / Attachment guide rails are installed, and suction / attachment guide blocks that are slidably fitted to the suction / attachment guide rails may be installed on one side and the other side of the suction / attachment slider.

In the tape bonding unit for a pouch-type secondary battery taping device according to an aspect of the present invention, the suction/attachment unit is disposed outside the upper portion of the rotating frame, and is mounted on the suction/attachment slider of the linear moving unit. to the third suction/attachment table; may include.

In the tape binding unit for a pouch-type secondary battery taping device according to an aspect of the present invention, the first to third suction/attachment tables are formed in a line to extend along the length direction of the tape drawn out from the tape supply unit, and , vacuum suction holes may be formed on the upper surfaces of the first to third suction/attachment tables facing the tape.

In the tape bonding unit for a pouch-type secondary battery taping device according to an aspect of the present invention, the vacuum adsorption holes vacuum adsorb the surface of the tape when the upper surface of the suction/attachment table contacts the surface of the tape, and vacuum adsorption When the cut pieces of the tape are glued to the folding part of the secondary battery, the vacuum adsorption to the cut pieces of the tape may be released.

In the tape bonding unit for a pouch-type secondary battery taping device according to an aspect of the present invention, the tape cut pieces are tape under a state in which the first to third suction/attachment tables vacuum the tape drawn out from the tape supply unit. When the supply unit cuts between the tape withdrawal start point and the second suction/attachment table, between the second suction/attachment table and the first suction/attachment table, and between the first suction/attachment table and the third suction/attachment table, the first to the third suction/attachment table may be formed in a vacuum-adsorbed state.

In the tape binding unit for a pouch-type secondary battery taping device according to an aspect of the present invention, the first suction/attachment table is fixedly mounted on the suction/attachment slider via the first connection bracket, and the second and second 3 The suction/attachment table may be movably mounted on the suction/attachment slider so as to approach both ends of the first suction/attachment table or move away from both ends of the first suction/attachment table to the outside, respectively.

In the tape binding unit for a pouch-type secondary battery taping device according to an aspect of the present invention, the suction/attachment means has a width installed on the upper surface of the suction/attachment slider to extend along the longitudinal direction of the suction/attachment slider. guide rails for adjustment; and first and second width adjusting units for moving the second and third suction/attachment tables along the guide rails for adjusting the width.

In the tape fastening unit for a pouch-type secondary battery taping device according to an aspect of the present invention, the first and second width adjusting units are slidably connected to the guide rails for adjusting the width exposed to both ends of the first connecting bracket sliders for adjusting the first and second widths; and a servomotor for adjusting the first and second widths for moving the sliders for adjusting the first and second widths, wherein the first and second sliders for adjusting the widths are respectively second and second through the second and third connecting brackets. 3 Can be connected to the suction/attachment table.

In the tape fastening unit for a pouch-type secondary battery taping device according to an aspect of the present invention, on both lower sides of the first and second width adjustment sliders there are guide blocks for adjusting the width that are slidably fitted to the guide rails for adjusting the width. The first and second servomotors for adjusting the width are fixedly installed on both ends of the upper surface of the suction/attachment slider to face the first and second width adjusting slides, respectively, and extend from the first and second width adjusting servomotors The first and second screw shafts to be used extend to the adjacent first and second width adjustment slides, respectively, and the first and second screw shafts are fastened to the first and second nut blocks mounted on the first and second width adjustment sliders, respectively. can be

The tape welding unit according to the present invention vacuum-adsorbs the tape drawn out from the tape supply unit to form tape cut pieces, and at the same time temporarily attaches the vacuum-adsorbed tape cut pieces to the folding part of the secondary battery, so that the tape is attached to the folding part. It makes it possible to significantly reduce the tact time for temporary welding.

Since the tape welding unit according to the present invention is installed on a positioning frame extending from the tape supply unit, it is easy to control the position relative to the tape supply unit.

The tape welding unit according to the present invention allows the tape cut pieces formed while minimizing the length of the tape drawn out from the tape supply unit to be divided into a wide range on the folding surface of the secondary battery for temporary welding.

1 is a view showing a pouch-type secondary battery taping device installed with a tape adhesive unit according to the present invention.
FIG. 2 is a perspective view schematically showing a tape-attaching unit according to the present invention shown in FIG. 1. FIG.
Figure 3 is a front view schematically showing the adhesive tape unit according to the present invention shown in Figure 2;
Figure 4 is a side view schematically showing the adhesive tape unit according to the present invention shown in Figure 2;
5 and 6 are views schematically showing the operating state of the tape joining unit according to the present invention, FIG. 5 is a view showing a state in which the tape is vacuum-adsorbed and the tape cut pieces are formed, FIG. 6 is the tape cut pieces are secondary A diagram showing the state of being temporarily welded to the folding part of the battery.

Hereinafter, an embodiment in which the tape bonding unit for a pouch-type secondary battery taping device according to the present invention is implemented will be described in detail with reference to the drawings.

However, the intrinsic technical idea of the present invention cannot be said to be limited by the embodiments described below, and the It is disclosed that the range that can be easily suggested as a method of substitution or change of the embodiment described in is included.

In addition, since the terms used below are selected for convenience of description, in grasping the intrinsic technical idea of the present invention, they are not limited to the dictionary meaning and are appropriately interpreted as meanings consistent with the technical spirit of the present invention. it should be

Among the accompanying drawings, FIG. 1 is a view showing a pouch-type secondary battery taping device in which a tape-folding unit according to the present invention is installed.

Referring to FIG. 1 , the tape joining unit 200 according to the present invention is installed between the tape supply unit 100 and the tape complete joining unit 300 .

Here, the tape supply unit 100 draws out a tape (T) having an adhesive layer on its back surface to a preset length, cuts the drawn tape (T), and the tape to be attached to the folding part (F) of the secondary battery (B). Let the cut pieces (t) be formed.

And the tape complete unit 300 is a pouch (P) of the secondary battery (B) on the upper and lower sides of the tape cut pieces (t), which are glued to the folding part (F) by the tape joining unit 200 according to the present invention. ) to the upper and lower surfaces of the

Accordingly, the folding part F of the secondary battery B is supported by the tape cut pieces t and is not restored to the state before the folding.

Here, the tape supply unit 100 and the tape complete unit 300 may have any configuration as long as they can perform the functions described above, and in the present invention, the tape supply unit 100 and the tape complete unit 300 may have any configuration. A description is omitted.

Hereinafter, the adhesive tape unit 200 for a pouch-type secondary battery taping device according to the present invention will be described.

Among the accompanying drawings, FIGS. 2 to 6 are views schematically showing a tape-attaching unit according to the present invention.

The tape joining unit 200 according to the present invention vacuum-adsorbs the tape T drawn out from the tape supply unit 100 when forming the tape cut pieces t, and the tape cut piece formed by the tape supply unit 100 . (t) are temporarily bonded (attached) to the folding part (F) of the secondary battery (B).

Here, the temporary welding of the tape cut pieces (t) is a state in which only the central portion of the tape cut pieces (t) is attached to the folding part (F), and the upper and lower parts of the tape cut pieces (t) temporarily welded to the folding part (F). The side extends to the upper and lower portions of the folding part (F).

2 to 6 , the adhesive tape unit 200 according to the present invention includes a suction/attachment unit 250 , a linear movement unit 230 , and a rotation movement unit 210 .

First, the rotary moving means 210 supports the suction/attaching means 250 and the linear moving means 230 .

The rotation moving means 210 is a rotation frame 214 rotatably installed between the first and second support frames 212a and 212b provided as a pair, and the first and second support frames 212a and 212b. includes

The first and second support frames 212a and 212b are disposed on the lower side of the tape supply unit 100, are formed to extend vertically toward the tape supply unit 100 as shown, and rotate the frame 214 They are spaced apart so as to be rotatably supported.

At this time, the first and second support frames 212a and 212b are spaced apart from each other in the longitudinal direction of the tape T drawn out from the tape supply unit 100 .

In addition, the first and second support frames 212a and 212b are positioned to extend from the tape supply unit 100 to facilitate control of the relative position of the tape welding unit 200 according to the present invention with the tape supply unit 100 . It is installed on a crystal frame (not shown).

Suction/attachment means 250 and linear movement means 230 are mounted on the rotation frame 214, and the rotation frame 214 is disposed between the first and second support frames 212a and 212b as described above. , both ends are rotatably supported by the first and second support frames 212a and 212b.

To this end, the rotating frame 214 includes first and second end side walls 216a and 216b facing the first and second supporting frames 212a and 212b, and first and second end side walls facing each other. It includes first and second side walls 218a and 218b connecting one end side and the other end side of the 216a and 216b.

At this time, on the outer surfaces of the first and second end-side walls 216a and 216b, first and second rotation shafts 220a and 220b extending horizontally toward the first and second support frames 212a and 212b facing each other are provided. is mounted, and the first and second rotation shafts 220a and 220b are rotatably supported by the first and second support frames 212a and 212b, respectively.

And the first or second rotation shaft (220a, 220b) is connected to the rotational positioning servomotor 222 installed in the first or second support frame (212a, 212b) so as not to interfere with the rotation frame (214).

3 illustrates a servomotor 222 for determining a rotational position installed on the second support frame 212b and connected to the second rotation shaft 220b.

That is, the rotation frame 214 is rotationally moved by the operation of the servo motor 222 for determining the rotation position, whereby the suction/attachment means 250 and the linear movement means 230 mounted on the rotation frame 214 are The tape is rotated to the side of the tape T drawn out from the tape supply unit 100 , the tape tethering position side provided on one side of the rotation frame 214 , and the tape discharge position side provided on the other side of the rotation frame 214 .

Here, the tape temporary position is a position where the tape cut pieces (t) are temporarily bonded to the folding part (F) of the secondary battery (B), and the secondary battery (B) in which the folding part (F) is formed is guided to the tape temporary welding position. .

And the tape discharge position is a position where the defective tape cut pieces (t) are discharged. Alternatively, the cut surface may be uneven tape cut pieces (t).

The linear movement means 230 is mounted on the rotating frame 214, and the suction/attachment means 250 is guided to the tape (T) side drawn out from the tape supply unit 100 or the secondary battery (B) to the tape temporary position. It is supported so that it can move linearly to the folding part (F) side of the.

The linear movement means 230 includes a transfer cylinder 232 and a suction/attachment slider 236 that moves by the operation of the transfer cylinder 232 .

The transfer cylinder 232 is installed inside the rotation frame 214 as shown, and the transfer cylinder 232 is a rotation frame ( 214) is installed inside.

Meanwhile, the suction/attachment slider 236 is installed at the extension end of the cylinder rod 234 to move along the cylinder rod 234 of the transfer cylinder 232 as described above.

At this time, both ends of the suction/attachment slider 236 are formed to extend outwardly of the first and second end side walls 216a and 216b of the rotation frame 214, and the first and second end side walls 216a, 216b is provided at a lower height than the first and second side side walls 218a, 218b.

In addition, the suction/attachment slider 236 is slidably supported on the first and second side walls 218a and 218b of the rotation frame 214 so as to be linearly movable without shaking.

To this end, on the inner surfaces of the first and second side walls 218a and 218b, suction/attachment guide rails 238 extend along the vertical longitudinal direction of the first and second side walls 218a and 218b. Suction/attachment that is slidably fitted to the suction/attachment guide rails 238 on one side and the other side of the suction/attachment slider 236 facing the first and second side walls 218a and 218b Guide blocks 240 are installed.

That is, when the tape T is drawn out from the tape supply unit 100, the transfer cylinder 232 of the linear moving means 230 is a cylinder rod ( 234) to move the suction/attachment means 250 to the tape T side, the tape T is cut by the tape supply unit 100, and the tape cut piece t to the suction/attachment means 250 When they are formed, the cylinder rod 234 is returned to return the suction/attachment means 250 to the rotation frame 214 side.

In addition, the transfer cylinder 232 of the linear moving means 230 is a folding part (F) in the secondary battery (B) in which the tape cut pieces (t) vacuum-adsorbed by the suction/attachment means 250 are guided to the tape temporary position. The cylinder rod 234 is extended so that it can be temporarily welded to the suction/attachment means 250 to the folding part F side of the secondary battery B, and the tape cut pieces t are temporarily bonded to the folding part F. When the cylinder rod 234 is returned, the suction/attachment means 250 is returned to the rotation frame 214 side.

The suction/attachment means 250 is mounted on the linear movement means 230 , and vacuum-sucks the tape T drawn out from the tape supply unit 100 , and when the tape T is cut by the tape supply unit 100 . The formed tape cut pieces (t) are temporarily bonded to the folding part (F) of the secondary battery (B) guided to the tape temporary position.

The suction/attachment means 250 includes a first suction/attachment table 252a disposed outside an upper portion of the rotation frame 214 facing the suction/attachment slider 236, and a first suction/attachment tape 252a. and second and third suction/attachment tables 252b and 252c disposed on both ends.

At this time, the first to third suction/attachment tables 252a, 252b, and 252c are arranged in a line to extend along the longitudinal direction of the tape T drawn out from the tape supply unit 100 as shown, respectively.

And a plurality of vacuum suction holes 256 are formed on the upper surfaces of the first to third suction/attachment tables 252a, 252b, and 252c facing the tape T drawn from the tape supply unit 100, respectively.

The vacuum suction holes 256 thus formed are formed when the upper surfaces of the first to third suction/attachment tables 252a, 252b, and 252c come into contact with the surface of the tape T drawn out from the tape supply unit 100, and the tape T ), and when the vacuum-adsorbed tape cut pieces (t) are temporarily bonded to the folding part (F) of the secondary battery (B), the vacuum adsorption to the tape cut pieces (t) is released.

Meanwhile, the first suction/attachment table 252a is fixedly mounted on the suction/attachment slider 236 via the first connection bracket 254 , and the second and third suction/attachment tables 252b and 252c are Each is movably mounted on the suction/attachment slider 236 so as to approach both ends of the first suction/attachment table 252a or to move away from both ends of the first suction/attachment table 252a.

To this end, the suction/attachment means 250 includes width control guide rails 256 for movably supporting the second and third suction/attachment tables 252b and 252c, and along the width control guide rails 256 . It further includes first and second width adjusting portions 258a and 258b for moving the second and third suction/attachment tables 252b and 252c.

The width adjustment guide rail 256 is installed on the upper surface of the suction/attachment slider 236 as shown and extends along the longitudinal direction of the suction/attachment slider 236 so as not to interfere with the first connection bracket 254 . is formed

The first and second width adjustment portions 258a and 258b are respectively slidably connected to the width adjustment guide rail 256 exposed to both ends of the first connection bracket 254, and the first and second width adjustment sliders 260a , 260b), and first and second width adjusting servomotors 266a and 266b for moving the first and second width adjusting sliders 260a and 260b.

At this time, the first and second sliders for adjusting the width (260a, 260b) are respectively connected to the second and third suction/attachment tables 252b and 252c via the second and third connection brackets 262a and 262b, respectively, The width adjustment guide blocks 264a and 264b slidably fitted to the width adjustment guide rails 256 are mounted on both lower sides of the first and second width adjustment sliders 260a and 260b.

And the first and second width adjustment servomotors 266a and 266b are fixedly installed on both ends of the suction/attachment slider 236 to face the first and second width adjustment slides 260a and 260b, respectively, as shown. do.

At this time, the first and second screw shafts 268a and 268b extending from the first and second servomotors 266a and 266b for adjusting the width are extended to the adjacent first and second slides for adjusting the width 260a, 260b. The first and second screw shafts 268a and 268b are respectively fastened to the first and second nut blocks 270a and 270b mounted on the first and second sliders 260a and 260b for width adjustment.

That is, the second and third suction/attachment tables 252b and 252c are for the operation of the first and second width adjustment servomotors 266a and 266b during vacuum suction of the tape T drawn out from the tape supply unit 110 . The first suction/attachment table 252a is moved close to both ends of the first suction/attachment table 252a by the ) is moved away from both ends.

This is to minimize the withdrawal of the tape (T) and to divide the tape cut pieces (t) widely on the folding surface (F) of the secondary battery (B) for temporary welding.

On the other hand, the tape cut pieces (t) are the first to third suction / attachment tables (252a, 252b, 25c) under a state in which the tape (T) drawn out from the tape supply unit 100 is vacuum-adsorbed under the tape supply unit 100 ) between the tape (T) withdrawal starting point and the second suction/attachment table 252b, between the second suction/attachment table 252b and the first suction/attachment table 252a, and the first suction/attachment table 252a ) and the third suction/attachment table 252b are cut to form a vacuum adsorption state on the first to third suction/attachment tables 252a, 252b, and 252c.

Here, the tape supply unit 100 draws out the surface of the tape T to face the first to third suction/attachment tables 252a, 252b, and 252c of the suction/attachment means 250, and the first to first 3 The suction/attachment tables 252a, 252b, 252c vacuum-suck the tape T and the tape cut pieces t, and release the vacuum suction for the tape cut pieces t is a known technique. Detailed description will be omitted.

In addition, since the movement of the second and third suction/attachment tables 252b and 252c by the operation of the first and second servomotors 266a and 266b for width adjustment is a known technique, detailed description thereof will be omitted.

Hereinafter, the operating state of the tape-folding unit 200 for a pouch-type secondary battery taping device according to the present invention formed as described above will be briefly described.

When the surface of the tape T in the tape supply unit 100 is withdrawn to face the tape fastening unit 200 according to the present invention, the linear moving means 230 extends the cylinder rod 234 of the conveying cylinder 232 . to bring the upper surfaces of the first internal third suction/attachment tables 252a, 252b, and 252c of the suction/attachment means 250 into contact with the surface of the tape T drawn out from the tape supply unit 100 .

At this time, the first and second width adjusting servomotors 266a and 266b of the first and second width adjusting units 258a and 258b are the second and third suction/attachment tables 252b and 252c, and the first suction / It is moved so that it may approach both ends of the attachment table 252a.

And when the upper surfaces of the first to third suction/attachment tables 252a, 252b, and 252c come into contact with the surface of the tape T drawn out from the tape supply unit 100, the first to third suction/attachment tables ( 252a, 252b, 252c) vacuum adsorbs the surface of the tape T, and at the same time, the tape supply unit 100 raises and lowers the cutters (C; see FIG. 5) so that the tape supply unit 100 moves the tape T Between the withdrawal start point and the second suction/attachment table 252b, between the second suction/attachment table 252b and the first suction/attachment table 252a, and between the first suction/attachment table 252a and the third suction/attachment table 252a A cut is made between the attachment tables 252b.

At this time, on the first to third suction/attachment tables 252a, 252b, 252c, the tape cut pieces t are formed in a vacuum-adsorbed state.

When the tape cut pieces t are formed as described above, the transfer cylinder 232 returns the cylinder rod 234 to the first to third suction/attachment tables 252 for vacuum adsorbing the tape cut pieces t. is returned to the rotation frame 214 side, in which case the first and second width adjusting servomotors 266a and 266b of the first and second width adjusting units 258a and 258b are connected to the second and third suction/attachment tables ( 252b and 252c are moved away from both ends of the first suction/attachment table 252a.

And at the same time, the servomotor 222 for determining the rotational position of the secondary battery (B) in which the back surface of the tape cut pieces (t) vacuum-adsorbed to the first to third suction/attachment tables 252 are guided to the tape temporary position. The rotating frame 214 is rotated to face the folding part (F).

On the other hand, when the back surface of the tape cut pieces (t) on which the adhesive layer is formed faces the folding part (F) of the secondary battery (B), the linear moving means 230 extends the cylinder rod 234 of the transfer cylinder 232 to The back surfaces of the tape cut pieces t vacuum-adsorbed on the first to third suction/attachment tables 252a, 252b, and 252c are temporarily bonded to the folding part B of the secondary battery B.

And when the tape cut pieces (t) are temporarily joined to the folding part (F), the first to third suction / attachment tables (252a, 252b, 252c) releases the vacuum suction for the tape cut pieces (t), at this time , the transfer cylinder 232 returns the cylinder rod 234 to return the first to third suction/attachment tables 252a, 252b, and 252c to the rotation frame 214 side.

On the other hand, if the first to third suction/attachment tables 252a, 252b, and 252c are vacuum-adsorbed and the tape cut pieces t are defective, the servomotor 222 for positioning the rotation is the first to third The rotating frame 214 is rotated so that the suction/attachment tables 252a, 252b, and 252c are guided to the tape ejection position, wherein the first to third suction/attachment tables 252a, 252b, and 252c are defective tape cut pieces. (t) Release the vacuum adsorption to the tape cut pieces (t) that are defective are discharged to the outside.

Claims (15)

a suction/attachment means for vacuum adsorbing the tape drawn out from the tape supply unit and temporarily bonding the tape cut pieces formed when the tape is cut by the tape supply unit to the folding part of the secondary battery guided to the tape bonding position;
a linear movement means for vacuum-sucking the tape and supporting the suction/attachment means so as to be able to move in a straight line so as to temporarily attach the tape cut pieces to the folding part; and
Rotational movement means for vacuum-sucking the tape and rotating the suction/attachment means and the linear movement means to the tape supply unit and the tape binding position so as to temporarily attach the tape cut pieces to the folding part; A tape bonding unit for a pouch-type secondary battery taping device comprising a.
The method according to claim 1,
The rotary movement means,
first and second support frames disposed on a lower side of the tape supply unit and spaced apart from each other in a longitudinal direction of the tape drawn out from the tape supply unit;
a rotating frame that is rotatably installed between the first and second support frames, and on which the suction/attachment means and the linear moving means are mounted; and
A tape binding unit for a pouch-type secondary battery taping device comprising a; a servomotor for determining a rotational position for rotating the rotating frame.
3. The method according to claim 2,
The rotating frame is
first and second end side walls facing the first and second supporting frames;
first and second side walls connecting one end side and the other end side of the first and second end side walls; and
First and second mounted on outer surfaces of the first and second end-side walls and rotatably supported by the first and second support frames extending horizontally toward the opposite first and second support frames rotation axis; includes,
The first or second rotation shaft is connected to the servomotor for determining the rotational position installed on the first or second support frame, and the tape binding unit for a pouch-type secondary battery taping device.
3. The method according to claim 2,
The first and second support frames are installed on a positioning frame extending from the tape supply unit to facilitate control of a relative position with the tape supply unit.
3. The method according to claim 2,
The tape supply unit is installed on the upper side of the rotating frame,
At one side of the rotating frame, the tape-attached position is provided at which the tape cut pieces are temporarily welded to the folding part of the secondary battery,
On the other side of the rotating frame, a tape tethering unit for a pouch-type secondary battery taping device is provided with a tape discharging position at which the defective tape cut pieces are discharged to the outside.
4. The method of claim 3,
The linear movement means,
a conveying cylinder installed inside the rotating frame so as to extend the cylinder rod toward the open upper side of the rotating frame; and
A suction/attachment slider installed at the extension end of the cylinder rod and on which the suction/attachment means is mounted; including,
Both ends of the suction/attachment slider extend to the outside of the first and second end side walls of the rotating frame,
The first and second end-side walls are provided at a lower height than the first and second side-side walls.
7. The method of claim 6,
Guide rails for suction/attachment are installed on the inner surfaces of the first and second side walls along the vertical longitudinal direction of the first and second side walls,
On one side and the other side of the suction/attachment slider, suction/attachment guide blocks slidably fitted to the suction/attachment guide rails are installed.
3. The method according to claim 2,
The suction / attachment means,
and first to third suction/attachment tables disposed on the outer side of the upper portion of the rotating frame and mounted on the suction/attachment slider of the linear moving means.
9. The method of claim 8,
The first to third suction/attachment tables are formed in a line to extend along the length direction of the tape drawn out from the tape supply unit,
A tape binding unit for a pouch-type secondary battery taping device in which vacuum adsorption holes are formed on upper surfaces of the first to third suction/attachment tables facing the tape.
10. The method of claim 9,
The vacuum suction holes vacuum the surface of the tape when the upper surface of the suction/attachment table contacts the surface of the tape,
When the vacuum-adsorbed tape cut pieces are attached to the folding part of the secondary battery, the tape joining unit for a pouch-type secondary battery taping device releases vacuum adsorption to the tape cut pieces.
9. The method of claim 8,
The tape cut pieces are located between the tape feed unit starting point and the second suction/attachment table under a state in which the first to third suction/attachment tables vacuum the tape withdrawn from the tape supply unit. , when the second suction/attachment table and the first suction/attachment table and between the first suction/attachment table and the third suction/attachment table are cut, the vacuum is formed on the first to third suction/attachment tables. A tape bonding unit for a pouch-type secondary battery taping device formed in an adsorbed state.
9. The method of claim 8,
The first suction/attachment table is fixedly mounted on the suction/attachment slider via a first connection bracket,
The second and third suction/attachment tables are each of a pouch type that is movably mounted on the suction/attachment slider so as to approach both ends of the first suction/attachment table or away from both ends of the first suction/attachment table. Tape bonding unit for secondary battery taping device.
13. The method of claim 12,
The suction / attachment means,
guide rails for width adjustment installed on the upper surface of the suction/attachment slider to extend along the length direction of the suction/attachment slider; and
1st and 2nd width adjustment part for moving the 2nd and 3rd suction/attachment table along the guide rails for width adjustment.
14. The method of claim 13,
The first and second width adjustment parts,
first and second width adjusting sliders slidably connected to the width adjusting guide rail exposed to both ends of the first connecting bracket; and
Including; first and second width adjustment servomotors for moving the first and second width adjustment sliders;
The first and second sliders for adjusting the width are respectively connected to the second and third suction/attachment tables via second and third connection brackets, respectively.
15. The method of claim 14,
Guide blocks for width adjustment that are slidably fitted to the guide rails for width adjustment are mounted on both lower sides of the first and second sliders for width adjustment,
The first and second servomotors for adjusting the width are fixedly installed on both ends of the upper surface of the suction/attachment slider to face the first and second width adjusting slides, respectively,
First and second screw shafts extending from the first and second width adjusting servomotors extend to the adjacent first and second width adjusting slides, respectively, and the first and second screw shafts are respectively the first and second A tape binding unit for a pouch-type secondary battery taping device that is fastened to the first and second nut blocks mounted on the slider for adjusting the width.

Images