阅读说明：本技术 电池极片收放卷结构 (Winding and unwinding structure of battery pole piece ) 是由 刘冯新 李奎 娄永文 常柯 于 2019-11-25 设计创作，主要内容包括：本发明公开了一种电池极片收放卷结构,包括：机架；安装卡盘,安装卡盘设于机架上且适于固定收放卷卷筒,安装卡盘相对于机架在沿收放卷卷筒的安装轴向上可移动,收放卷卷筒上设有数据存储标签；数据读写器,数据读写器设于机架上且适于对数据存储标签进行数据的读写。根据本发明实施例的电池极片收放卷结构,通过安装卡盘可以对收放卷卷筒进行快速的固定和拆卸,可以提高一种电池极片收放卷结构的自动化程度,实现对收放卷卷筒的自动固定与拆卸工作,减少人力消耗,提高工作效率。数据读写器可以对数据存储标签进行数据的读写,可以加快对收放卷卷筒部分的数据存储标签上的信息的读写和传输,实现整体装置的自动化和信息化,提高工作效率。(The invention discloses a winding and unwinding structure of a battery pole piece, which comprises: a frame; the mounting chuck is arranged on the rack and is suitable for fixing the winding and unwinding winding drum, the mounting chuck can move relative to the rack in the mounting axial direction of the winding and unwinding winding drum, and a data storage label is arranged on the winding and unwinding winding drum; and the data reader-writer is arranged on the rack and is suitable for reading and writing data on the data storage tag. According to the battery pole piece winding and unwinding structure provided by the embodiment of the invention, the winding and unwinding reel can be rapidly fixed and detached through the mounting chuck, the automation degree of the battery pole piece winding and unwinding structure can be improved, the automatic fixing and detaching work of the winding and unwinding reel is realized, the labor consumption is reduced, and the work efficiency is improved. The data reader-writer can read and write data of the data storage label, read and write and transmit information on the data storage label of the winding and unwinding drum part can be quickened, automation and informatization of the whole device are achieved, and working efficiency is improved.)

1. The utility model provides a battery pole piece receive and releases a roll structure which characterized in that includes:

a frame;

the mounting chuck is arranged on the rack and is suitable for fixing the winding and unwinding winding drum, the mounting chuck can move relative to the rack in the mounting axial direction of the winding and unwinding winding drum, and a data storage label is arranged on the winding and unwinding winding drum;

and the data reader-writer is arranged on the rack and is suitable for reading and writing data of the data storage tag.

2. The winding and unwinding structure for battery pole pieces according to claim 1, wherein the data reader/writer is movable relative to the frame in an installation axis direction along the winding and unwinding drum, and the winding and unwinding structure for battery pole pieces further comprises:

the data reader-writer is arranged on the mounting piece;

and the driving device is arranged on the rack and connected with the mounting piece to drive the mounting piece to move in the mounting axial direction of the winding and unwinding winding drum.

3. The winding and unwinding structure of battery pole pieces according to claim 2, further comprising:

the mounting, the mounting is located in the frame, drive arrangement locates on the mounting, the mounting includes the orientation the fixed plate that the installed part set up, drive arrangement pass behind the fixed plate with the installed part links to each other.

4. The winding and unwinding structure for battery pole pieces as claimed in claim 3, wherein the driving device comprises a driving cylinder, and the driving cylinder comprises:

the cylinder barrel is arranged on the fixing piece and is positioned on one side, far away from the mounting piece, of the fixing plate;

the piston rod is telescopic relative to the cylinder barrel, penetrates through the fixing plate and is connected with the mounting piece at the free end.

5. The winding and unwinding structure of the battery pole piece according to claim 3, further comprising a guide rod, wherein one end of the guide rod is connected with the mounting member, and the other end of the guide rod penetrates through the fixing plate and is slidable relative to the fixing plate.

6. The winding and unwinding structure of battery pole pieces as claimed in claim 2, wherein the mounting member comprises:

a first mounting plate and a second mounting plate, the first mounting plate and the second mounting plate being parallel to each other and the first mounting plate being connected to the driving device;

the two ends of the connecting plate are respectively connected with the first mounting plate and the second mounting plate, the connecting plate faces the direction of the winding and unwinding reel and is provided with a through hole, and the data reader-writer corresponds to the through hole.

7. The winding and unwinding structure of claim 6, further comprising a photoelectric sensor and a reflective tape, wherein the photoelectric sensor is disposed on the mounting member, the reflective tape is disposed on the winding and unwinding roll and adjacent to the data storage tag, and the photoelectric sensor is adapted to locate a position of the reflective tape.

8. The winding and unwinding structure of the battery pole piece as claimed in claim 7, wherein the reflective tape is formed in a rectangular shape and has a width ranging from 5mm to 25mm and a length ranging from 30mm to 80 mm.

9. The winding and unwinding structure of battery pole pieces according to claim 1, wherein a vertical distance between the data reader and the data storage tag in a direction perpendicular to an installation axis of the winding and unwinding reel is in a range of 10-50 mm.

10. The winding and unwinding structure for battery pole pieces according to any one of claims 1 to 9, wherein the mounting chuck comprises a first chuck and a second chuck which are correspondingly arranged, and the first chuck and the second chuck are both arranged on the frame and can reciprocate in directions towards and away from each other.

Technical Field

The invention relates to the field of power batteries, in particular to a winding and unwinding structure of a battery pole piece.

Background

Disclosure of Invention

The present invention is directed to solving at least one of the problems of the prior art. Therefore, one object of the present invention is to provide a battery pole piece winding and unwinding structure, in which the device can cooperate with a data storage tag pre-arranged on a winding and unwinding reel through an arranged data reader/writer, so as to realize rapid reading of pole piece reel information, and realize higher automation and intelligence for reading, writing and transmitting pole piece information of a winding and unwinding part in subsequent processes such as coating, cold pressing, slitting, die cutting, and the like.

According to one aspect of the invention, the battery pole piece winding and unwinding structure is characterized by comprising: a frame; the mounting chuck is arranged on the rack and is suitable for fixing the winding and unwinding winding drum, the mounting chuck can move relative to the rack in the mounting axial direction of the winding and unwinding winding drum, and a data storage label is arranged on the winding and unwinding winding drum; and the data reader-writer is arranged on the rack and is suitable for reading and writing data of the data storage tag.

According to the battery pole piece winding and unwinding structure provided by the embodiment of the invention, the battery pole piece winding and unwinding structure comprises the rack, the mounting chuck and the data reader-writer, the rack can provide a stable mounting platform for mounting other structures, the winding and unwinding drum can be rapidly fixed and dismounted through the mounting chuck, the automation degree of the battery pole piece winding and unwinding structure can be improved, the automatic fixing and dismounting work of the winding and unwinding drum is realized, the labor consumption is reduced, and the work efficiency is improved. The data reader-writer can read and write data to the data storage tag. Therefore, through the matching of the data reading and writing device and the data storage label, the data can be quickly read, the reading, the writing and the transmission of information on the data storage label of the winding and unwinding roller part in subsequent steps such as coating, cold pressing, splitting, die cutting and the like can be accelerated, the automation and the informatization of the whole device are realized, and the working efficiency is improved.

In addition, the winding and unwinding structure of the battery pole piece can also have the following additional technical characteristics:

in some embodiments of the present invention, the data reader/writer is movable relative to the frame in an installation axis direction along the winding/unwinding drum, and the winding/unwinding structure for the battery pole piece further includes: the data reader-writer is arranged on the mounting piece; and the driving device is arranged on the rack and is connected with the mounting piece to drive the mounting piece to move in the mounting axial direction along the winding and unwinding winding drum.

In some embodiments of the present invention, the fixing member is disposed on the frame, the driving device is disposed on the fixing member, the fixing member includes a fixing plate disposed toward the mounting member, and the driving device is connected to the mounting member after passing through the fixing plate.

In some embodiments of the invention, the drive means comprises a drive cylinder comprising: the cylinder barrel is arranged on the fixing piece and is positioned on one side of the fixing plate, which is far away from the mounting piece; the piston rod is telescopic relative to the cylinder barrel, penetrates through the fixing plate and is connected with the mounting piece at the free end.

In some embodiments of the invention, one end of the guide rod is connected to the mounting member, and the other end of the guide rod is disposed through the fixing plate and is slidable relative to the fixing plate.

In some embodiments of the invention, the mount comprises: the driving device comprises a first mounting plate and a second mounting plate, wherein the first mounting plate and the second mounting plate are parallel to each other and are connected with the driving device; the two ends of the connecting plate are respectively connected with the first mounting plate and the second mounting plate, the connecting plate is arranged towards the winding and unwinding reel, through holes are formed in the connecting plate, and the data reader-writer is correspondingly arranged through the through holes.

In some embodiments of the present invention, the photoelectric sensor is disposed on the mounting member, the reflective tape is disposed on the winding/unwinding roll and adjacent to the data storage tag, and the photoelectric sensor is adapted to locate the reflective tape.

In some embodiments of the invention, the light-reflective tape is formed in a rectangular shape and has a width in the range of 5mm to 25mm and a length in the range of 30mm to 80 mm.

In some embodiments of the present invention, a vertical distance between the data reader and the data storage tag in a direction perpendicular to an installation axis of the winding/unwinding reel is in a range of 10 to 50 mm.

In some embodiments of the invention, the mounting chuck comprises a first chuck and a second chuck arranged correspondingly, each of the first chuck and the second chuck being arranged on the frame and being reciprocatable in directions towards and away from each other.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a side view of a winding and unwinding structure of a battery pole piece according to an embodiment of the invention;

fig. 2 is a front view of a winding and unwinding structure of a battery pole piece according to an embodiment of the invention;

fig. 3 is a perspective view of a fixing member, a driving device and a mounting member of a battery pole piece winding and unwinding structure according to an embodiment of the invention;

fig. 4 is a schematic diagram of a piston rod contraction state of a driving cylinder of a battery pole piece winding and unwinding structure according to an embodiment of the present invention;

fig. 5 is a schematic diagram of an extension state of a piston rod of a driving cylinder of a battery pole piece winding and unwinding structure according to an embodiment of the invention;

FIG. 6 is a top view of a fixing member, a driving device and a mounting member of a battery pole piece winding and unwinding structure according to an embodiment of the invention;

fig. 7 is an enlarged view at a in fig. 2.

Reference numerals:

a battery pole piece winding and unwinding structure 100;

a frame 1;

installing a chuck 2; a winding and unwinding reel 21; a data storage tag 211; a first chuck 22; a second chuck 23;

a data reader/writer 3;

a mounting member 4; the first mounting plate 41; a second mounting plate 42; a connecting plate 43; a through hole 431; a photosensor 44; a reflective band 45;

a drive device 5; a drive cylinder 51; a cylinder barrel 511; a piston rod 512;

a fixing member 6; a fixed plate 61;

a guide rod 7.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention. Furthermore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

A winding and unwinding structure 100 for a battery pole piece according to an embodiment of the present invention is described below with reference to fig. 1 to 7.

As shown in fig. 1-2, a winding and unwinding structure 100 for a battery pole piece includes: frame 1, installation chuck 2 and data read write line 3.

Optionally, the rack 1 may be made of a metal material, the rack 1 may also be made of a non-metal material, and the rack 1 may provide a stable mounting platform for mounting other structures.

As shown in fig. 1-2, the mounting chuck 2 is disposed on the frame 1 and adapted to fix the winding/unwinding roll 21, the mounting chuck 2 is movable relative to the frame 1 along a mounting axis of the winding/unwinding roll 21, and the winding/unwinding roll 21 is provided with a data storage tag 211.

Specifically, the installation chuck 2 is located the frame 1, and simultaneously, the installation chuck 2 can fix the winding and unwinding roll 21, and the installation chuck 2 can stretch out and draw back and move in the installation axis direction of the winding and unwinding roll 21.

In other words, the mounting chuck 2 can mount and fix the winding/unwinding roll 21 by performing the telescopic movement in the mounting axis direction of the winding/unwinding roll 21.

From this, installation chuck 2 can carry out quick fixed and dismantlement to receiving and releasing reel 21, can improve the degree of automation that a battery sheet received and released reel structure 100, realizes reducing manpower consumption to receiving and releasing reel 21's automatic fixation and dismantlement work, improves work efficiency.

Further, the winding and unwinding roll 21 is provided with a data storage label 211.

As shown in fig. 1-2, the data reader/writer 3 is disposed on the rack 1 and is adapted to read and write data from and to the data storage tag 211.

Specifically, the data reader/writer 3 is disposed on the rack 1, and the data reader/writer 3 can read and write data from and to the data storage tag 211. Therefore, through the matching of the data reading and writing device and the data storage label 211, the data can be quickly read, the reading, the writing and the transmission of information on the data storage label 211 of the winding and unwinding reel 21 part in subsequent steps such as coating, cold pressing, splitting, die cutting and the like can be accelerated, the automation and the informatization of the whole device are realized, and the working efficiency is improved.

According to the battery pole piece winding and unwinding structure 100 provided by the embodiment of the invention, the battery pole piece winding and unwinding structure 100 comprises the rack 1, the mounting chuck 2 and the data reader-writer 3, the rack 1 can provide a stable mounting platform for mounting other structures, and the winding and unwinding drum 21 can be rapidly fixed and dismounted through the mounting chuck 2, so that the automation degree of the battery pole piece winding and unwinding structure 100 can be improved, the automatic fixing and dismounting work of the winding and unwinding drum 21 is realized, the labor consumption is reduced, and the working efficiency is improved. The data reader/writer 3 can read and write data from and to the data storage tag 211. Therefore, through the matching of the data reading and writing device and the data storage label 211, the data can be quickly read, the reading, the writing and the transmission of information on the data storage label 211 of the winding and unwinding reel 21 part in subsequent steps such as coating, cold pressing, splitting, die cutting and the like can be accelerated, the automation and the informatization of the whole device are realized, and the working efficiency is improved.

The winding and unwinding structure 100 of the battery pole piece according to the embodiment of the invention is described in detail below with reference to fig. 1 to 7.

As shown in fig. 1 to 7, the data reader/writer 3 is movable relative to the frame 1 in the installation axis direction along the winding/unwinding winding drum 21, and the battery sheet winding/unwinding structure 100 further includes: a mounting 4 and a drive 5.

Specifically, the data reader/writer 3 is movably mounted with respect to the rack 1, and the movement direction of the data reader/writer 3 is along the axial direction of the mounting shaft of the winding/unwinding winding drum 21, so that the data reader/writer 3 can read the data storage tags 211 at different positions by moving the position, and the applicability is wider.

As shown in fig. 1 to 7, the data reader/writer 3 is disposed on the mounting member 4, and the driving device 5 is disposed on the frame 1 and connected to the mounting member 4 to drive the mounting member 4 to move in the mounting axial direction of the winding/unwinding roll 21.

Specifically, a driving device 5 is installed between the mounting member 4 and the frame 1, and the driving device 5 can provide power for the movement of the mounting member 4, so that the mounting member 4 can move along the mounting axis of the winding and unwinding roll 21. The data reader/writer 3 mounted on the mount 4 can also read the data storage tag 211 at a different position as the mount 4 moves.

In other words, the movement of the data reader/writer 3 is powered by the driving device 5.

Therefore, the data reader-writer 3 provides power through the driving device 5 and can move, so that the data storage tags 211 at different positions can be read, the reading, writing and transmission of information on the data storage tags 211 of the winding and unwinding reel 21 part in subsequent steps such as coating, cold pressing, splitting, die cutting and the like can be accelerated, the automation and informatization of the whole device are realized, and the working efficiency is improved.

As shown in fig. 1 to 7, the winding and unwinding structure 100 for battery pole pieces further includes a fixing member 6.

Fixing member 6 is located on frame 1, and drive arrangement 5 is located on fixing member 6, and fixing member 6 includes fixed plate 61 towards installed part 4 setting, and drive arrangement 5 links to each other with installed part 4 after passing fixed plate 61.

Specifically, the fixing member 6 is mounted on the frame 1, and the fixing member 6 is mounted with the fixing plate 61, and the driving device 5 passes through the fixing plate 61 and is connected to the mounting member 4, whereby the driving device 5 can drive the mounting member 4. Can provide power for installed part 4 through drive arrangement 5, make data read write line 3 on installed part 4 and the installed part 4 can the shift position, make data read write line 3 can read the data storage label 211 of different positions, simultaneously, can not need the during operation at data read write line 3, can receive and release the reel 21 through drive arrangement 5 principle, prevent to install and lift off the reel and be bruised simultaneously.

As shown in fig. 2-7, the drive means 5 comprises a drive cylinder 51 by means of which the mounting 4 can be powered, and automation of the apparatus can be achieved by powering the mounting 4.

As shown in fig. 2 to 7, the driving cylinder 51 includes: a cylinder 511 and a piston rod 512.

The cylinder 511 is disposed on the fixing member 6 and located on a side of the fixing plate 61 away from the mounting member 4, the piston rod 512 is retractable with respect to the cylinder 511, the piston rod 512 is disposed through the fixing plate 61, and a free end thereof is connected to the mounting member 4.

Specifically, one end of the fixing member 6 is disposed on the fixing plate 61, the cylinder 511 is disposed on the fixing member 6 and located on one side of the fixing plate 61, the mounting member 4 is located on the other side of the fixing plate 61, and the cylinder 511 is provided with the piston rod 512 penetrating through the fixing plate 61 and the free end of the piston rod 512 is connected to the mounting member 4.

In other words, the fixing member 6 is provided with the fixing plate 61, the fixing member 6 is provided with the cylinder 511 located on both sides of the fixing plate 61 with the mounting member 4, the cylinder 511 is provided with the piston rod 512, and the piston rod 512 passes through the fixing plate 61 and is connected with the mounting member 4.

Therefore, the driving cylinder 51 is composed of the cylinder 511 and the piston rod 512, and the mounting device 4 is powered by the cooperation of the cylinder 511 and the piston rod 512, so that the mounting device 4 can move, and thus the data reader/writer 3 can read the data storage tags 211 at different positions on the winding/unwinding reel 21 along with the movement of the mounting device 4, so that the data reader/writer 3 is more flexible to use and has wider applicability.

As shown in fig. 2 to 7, the winding and unwinding structure 100 for battery pole pieces further includes a guide rod 7, one end of the guide rod 7 is connected to the mounting member 4, and the other end of the guide rod 7 passes through the fixing plate 61 and is slidably disposed relative to the fixing plate 61.

Specifically, the guide rod 7 is a straight rod, one end of the guide rod 7 passes through the fixing plate 61, and the other end of the guide rod 7 is connected to the mounting member 4, so that when the driving device 5 powers the mounting member 4 to move the mounting member 4, the guide rod 7 can move simultaneously, and the moving direction of the guide rod 7 is the same as that of the mounting member 4. Therefore, the guide rod 7 is consistent with the movement direction of the mounting part 4, and one end of the guide rod 7 penetrates through the fixing plate 61, so that the guide rod 7 can provide limitation for the mounting part 4 while ensuring the movement of the mounting part 4, and the mounting part 4 is prevented from rotating in the movement process of the mounting part 4, and devices such as the data reader-writer 3 on the mounting part 4 cannot play a role.

Alternatively, in another embodiment of the present invention, the guiding rod 7 may be fixedly installed on the fixing plate 61, that is, the guiding rod 7 is in a fixed structure relative to the fixing plate 61 and does not move. Guide rod 7 passes installed part 4, and from this, installed part 4 when being rectilinear motion, guide rod 7 can play location and guide effect to the motion of installed part 4, avoids installed part 4 to rock when the motion.

As shown in fig. 2-7, the mount 4 includes a first mounting plate 41, a second mounting plate 42, and a connecting plate 43.

The first mounting plate 41 and the second mounting plate 42 are parallel to each other and the first mounting plate 41 is connected to the driving device 5.

As shown in fig. 3, in particular, the mounting member 4 includes a first mounting plate 41 and a second mounting plate 42, and the first mounting plate 41 and the second mounting plate 42 are disposed oppositely while the first mounting plate 41 and the second mounting plate 42 are set up oppositely in parallel.

Further, the first mounting plate 41 is connected to the driving device 5, so that the first mounting plate 41 can be pushed and pulled when the driving device 5 moves, and thus the mount 4 can be moved by pushing and pulling the first mounting plate 41, thereby moving the data reader/writer 3.

As shown in fig. 3, two ends of the connecting plate 43 are respectively connected to the first mounting plate 41 and the second mounting plate 42, the connecting plate 43 is disposed toward the winding/unwinding reel 21, wherein a through hole 431 is disposed on the connecting plate 43, and the data reader/writer 3 is disposed corresponding to the through hole.

Specifically, the first mounting plate 41, the connecting plate 43 and the second mounting plate 42 are sequentially connected, the first mounting plate 41, the connecting plate 43 and the second mounting plate 42 form a concave structure, meanwhile, the connecting plate 43 is provided with a through hole 431, and the data reader 3 arranged on the mounting member 4 corresponds to the through hole 431, that is, the data reader 3 can read and write the data storage tag 211 on the winding and unwinding roll 21 through the through hole 431.

Therefore, the first mounting plate 41, the connecting plate 43 and the second mounting plate 42 provide mounting support for the data reader-writer 3, and meanwhile, the data reader-writer 3 can be protected from frontal impact, so that the data reader-writer 3 is protected, meanwhile, the automatic reading of the whole device can be realized by matching with the driving device 5, and the high automation and the intellectualization of the whole device are realized.

As shown in fig. 2 to 7, the winding and unwinding structure 100 for battery plates further includes a photo sensor 44 and a reflective tape 45, the photo sensor 44 is disposed on the mounting member 4, the reflective tape 45 is disposed on the winding and unwinding roll 21 and is adjacent to the data storage tag 211, and the photo sensor 44 is adapted to locate the reflective tape 45.

Specifically, the battery sheet winding and unwinding structure 100 further includes a photoelectric sensor 44, a reflective tape 45 is disposed on the winding and unwinding drum 21, and the reflective tape 45 is disposed adjacent to the data storage tag 211.

Further, photoelectric sensor 44 can cooperate with reflective tape 45, through the light of 45 reflections in location reflective tape, can fix a position the position of adjacent data storage label 211 fast, and from this, data read write line 3 can read the data of data storage label 211 fast, makes the work efficiency of integrated device high, does not need manual location to receive and release the position of data storage label 211 on reel 21 simultaneously, realizes the automation and the intellectuality of integrated device.

Alternatively, the reflective bands 45 may be diamond shaped or circular, with the size of the reflective bands 45 being optional.

Preferably, the reflective tape 45 is rectangular and has a width in the range of 5mm to 25mm and a length in the range of 30mm to 80 mm. Facilitating rapid positioning of the reflective strip 45 by the photosensor 44 while facilitating rapid positioning of the data storage tag 211 adjacent to the reflective strip 45 by the device.

As shown in fig. 3 to 7, the vertical distance between the data reader/writer 3 and the data storage tag 211 in the axial direction perpendicular to the winding/unwinding spool 21 is 10 to 50 mm.

That is, when the data reader/writer 3 reads the data storage tag 211, the distance between the data reader/writer 3 and the data storage tag 211 is 10-50 mm, so that the data reader/writer 3 can be ensured to read the information of the data storage tag 211 quickly, and the data reader/writer 3 can be prevented from being damaged by the winding/unwinding reel 21 due to too close distance from the winding/unwinding reel 21.

As shown in fig. 1 to 2, the mounting chuck 2 includes a first chuck 22 and a second chuck 23 which are provided correspondingly, and the first chuck 22 and the second chuck 23 are both provided on the frame 1 and are reciprocatable in directions toward and away from each other.

Specifically, be equipped with installation chuck 2 on battery sheet receive and releases roll structure 100, and installation chuck 2 comprises two chucks that correspond the setting, first chuck 22 and second chuck 23 promptly, and two chucks can be telescopic motion, and first chuck 22 and second chuck 23 can be flexible on frame 1 promptly.

In other words, the first chuck 22 and the second chuck 23 are reciprocated in directions toward and away from each other. That is, the winding and unwinding roll 21 can be fixed by extending the first chuck 22 and the second chuck 23 at the same time, and the winding and unwinding roll 21 can be dismounted by shortening the first chuck 22 and the second chuck 23 at the same time.

Therefore, the winding and unwinding reel 21 can be rapidly replaced by matching the first chuck 22 and the second chuck 23, and the working efficiency is improved.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.