CN217437259U

CN217437259U - Winding and unwinding device

Info

Publication number: CN217437259U
Application number: CN202220238386.XU
Authority: CN
Inventors: 黄伟南; 蒋勇; 王前; 何侦元
Original assignee: Superstar Shenzhen Automation Co ltd
Current assignee: Superstar Shenzhen Automation Co ltd
Priority date: 2022-01-28
Filing date: 2022-01-28
Publication date: 2022-09-16
Anticipated expiration: 2032-01-28

Abstract

The utility model relates to a receive unwinding device, include: an installation part; the coil clamping mechanism is arranged on one side of the mounting part and is provided with an action end for clamping a coil and rotating the coil; the winding and unwinding driving mechanism is also arranged on the mounting part and is in transmission connection with the action end of the coil clamping mechanism, and the winding and unwinding driving mechanism is used for driving the action end of the coil clamping mechanism to rotate so as to perform winding and unwinding operation; and the tape splicing platform is arranged above the rear side of the coil clamping mechanism and used for completing tape splicing work before the pole piece coil is unreeled at the material loading part and tape cutting work before the rolling and unloading part in a matching way. The utility model discloses can reduce the unloading manual intervention on the coil stock, improve convenience, the security of unloading on heavy weight, the broad width coil stock, not only alleviate workman's working strength and avoid the workman to get into equipment, avoid artifical transport to damage the coil stock simultaneously, improve rolling quality and rolling efficiency.

Description

Winding and unwinding device

Technical Field

The utility model belongs to the technical field of battery manufacturing equipment technique and specifically relates to a winding and unwinding devices on broad width pole piece laser cleaning equipment who is mainly applied to lithium cell manufacturing trade.

Background

In recent years, with the rapid development of electric automobiles and intelligent mobile terminals, the demand for the use amount of lithium ion batteries is continuously improved, and further, the progress and development of the lithium ion battery technology are promoted. The flaking process is an important process in the lithium ion battery manufacturing process, wherein the quality of cleaning the pole piece is the key for ensuring the flaking quality.

Hitherto, rolled pole piece materials can be cleaned by laser cleaning equipment, and the technology is mature; however, with the improvement of the efficiency of the sheet making process, the width of the pole piece coil is wider and heavier, so that how to improve the rapidness, convenience and safety of the feeding and discharging of the pole piece coil becomes an urgent problem.

The existing pole piece laser cleaning equipment needs two persons to operate when pole piece coil stock is fed and discharged, needs the manpower to push the pole piece coil stock to be in place, and manually adjusts the accurate position of the pole piece coil stock, not only consumes the manpower, but also has great convenience, needs workers to enter the equipment, and has potential safety hazards.

SUMMERY OF THE UTILITY MODEL

To the above problem, the utility model aims at providing a receive unwinding device, the device mainly is applied to the broad width pole piece laser cleaning equipment of lithium battery manufacturing trade on, make the whole material loading of rolling up the pole piece coil stock, unreel, rolling, unloading faster, convenient, safety.

In order to achieve the purpose, the utility model adopts the following technical proposal: the utility model provides a receive unwinding device, includes: an installation part; the coil clamping mechanism is arranged on one side of the mounting part and is provided with an action end for clamping a coil and rotating the coil; the winding and unwinding driving mechanism is also arranged on the mounting part and is in transmission connection with the action end of the coil clamping mechanism, and the winding and unwinding driving mechanism is used for driving the action end of the coil clamping mechanism to rotate so as to perform winding and unwinding operation; and the tape splicing platform is arranged above the rear side of the coil clamping mechanism and used for matching and completing tape splicing work before the pole piece coil is unreeled in feeding and tape cutting work before reeling and unloading.

The winding and unwinding device preferably comprises a base plate and two vertical plates vertically arranged on the base plate.

Receive unwinding device, preferably, coil stock clamping mechanism includes: the mounting plate is fixedly connected between the two vertical plates of the mounting part, and a chute extending along the axial direction of the coil stock is formed in the mounting plate; the sliding rail assembly is fixedly connected to the outer side of the mounting plate and is arranged in parallel with the sliding groove of the mounting plate; the two cantilever parts are slidably arranged on the slide rail assembly; the two air expansion shafts are rotatably arranged on the two cantilever parts respectively to form an action end of the coil material clamping mechanism, and the air expansion shafts are used for being matched with rollers on two sides of the coil material; the clamping driving piece is arranged on the inner side of the mounting plate, the action ends of the clamping driving piece are in transmission connection with the cantilever parts respectively, and the clamping driving piece is used for driving the cantilever parts to be relatively close to or away from each other so that the air inflation shaft stretches into or withdraws from the roller of the coil stock.

Receive unwinding device, preferably, slide rail set spare includes: the two linear sliding rails which are arranged in parallel are respectively and fixedly connected to the outer side of the mounting plate; the two sliding blocks are respectively installed on the linear sliding rail in a sliding mode, the outer sides of the two sliding blocks are respectively fixedly connected with one end of each cantilever part, and the inner sides of the two sliding blocks are respectively connected with the action ends of the two clamping driving pieces.

The winding and unwinding device is preferably characterized in that the two air inflation shafts are respectively mounted at two opposite ends of the two cantilever parts through bearings.

Receive unwinding device, preferably, receive and unreel actuating mechanism includes: the winding and unwinding driving piece is fixedly connected to the outer side of the mounting plate; and the synchronous pulley component is in transmission connection between the output end of the winding and unwinding driving part and the input end of the inflatable shaft.

Receive and release coiling mechanism, preferably, still include coil stock guiding mechanism, and be located two between the linear slide rail seted up on the mounting panel along the logical groove of pole piece coil stock axial extension, coil stock guiding mechanism includes: the adjusting driving piece is fixedly connected to the inner side of the mounting plate; the rotating part is rotatably arranged on the inner side of the mounting plate and is parallel to the linear slide rail, and the input end of the rotating part is in transmission connection with the output end of the adjusting driving part; the linear piece is arranged on the rotary piece and forms a rotary pair with the rotary piece, and the linear piece is fixedly connected with the clamping driving piece; the clamping driving piece mounting plate is slidably mounted on the linear slide rail between the two sliding blocks, and the fixing part of the clamping driving piece penetrates through the through groove in the mounting plate and then is fixedly connected with the clamping driving piece mounting plate.

Receive unwinding device, preferably, the splicing platform includes: the supporting plate is horizontally arranged between the two vertical plates above the rear side of the coil stock clamping mechanism; the winding pressing plates are arranged on the upper portion of the supporting plate and are arranged in parallel with the supporting plate; the pressing belt driving parts are installed on the lower portion of the supporting plate, and the action end of each pressing belt driving part penetrates through the supporting plate and then is connected with the pressing belt plate so as to drive the pressing belt plate to move on the supporting plate in a reciprocating mode in the vertical direction.

Receive unwinding device, preferably, be located between coil stock clamping mechanism and the splicing platform and being located splicing platform rear side be provided with the pole piece backing roll that a plurality of confession winding was walked around on the installation department.

The winding and unwinding device is preferably provided with at least one reinforcing piece between two vertical plates of the mounting portion.

The utility model discloses owing to take above technical scheme, it has following advantage:

the utility model discloses can reduce pole piece coil stock and go up unloading manual intervention, improve convenience, the security of unloading on the big weight, the broad width pole piece coil stock, not only alleviate workman's working strength and avoid the workman to get into equipment, avoid artifical transport to damage the pole piece coil stock simultaneously, improve rolling quality and rolling efficiency.

Drawings

Fig. 1 is a schematic view of an overall structure of a winding and unwinding device according to an embodiment of the present invention at a first viewing angle;

fig. 2 is a schematic view of the overall structure of the winding and unwinding device provided in the embodiment of the present invention at a second viewing angle;

fig. 3 is a schematic structural view of the coil clamping mechanism and the unwinding driving mechanism according to the embodiment of the present invention;

fig. 4 is a schematic structural view of the coil clamping mechanism and the clamping driving mechanism according to the embodiment of the present invention;

fig. 5 is a schematic structural diagram of the tape splicing platform according to the embodiment of the present invention.

The various reference numbers in the figures:

1-an installation part; 11-a base plate; 12-a riser;

2-a coil clamping mechanism; 21-mounting a plate; 22-a slide rail assembly; 23-a cantilever part; 24-an inflatable shaft; 25-clamping the driving member; 221-a linear slide rail; 222-a slider;

3, winding and unwinding a driving mechanism; 31-winding and unwinding driving part; 32-synchronous pulley assembly;

4-splicing platform; 41-a support plate; 42-pole piece pressing plate; 43-a belt press drive;

5-a coil stock adjusting mechanism; 51-adjusting the driving member; 52-a rotating member; 53-linear member; 54-clamping the drive member mounting plate; 6-coiling the pole piece; 7-pole piece supporting roll; 8-a reinforcement.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "X-axis direction", "Y-axis direction", "transverse", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the system or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used to define elements only for convenience in distinguishing between the elements, and unless otherwise stated have no special meaning and are not to be construed as indicating or implying any relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "assembled", "disposed" and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.

The utility model provides a receive unwinding device, include: an installation part; the coil clamping mechanism is arranged on one side of the mounting part and is provided with an action end for clamping a coil and rotating the coil; the winding and unwinding driving mechanism is also arranged on the mounting part and is in transmission connection with the action end of the coil clamping mechanism, and the winding and unwinding driving mechanism is used for driving the action end of the coil clamping mechanism to rotate so as to perform winding and unwinding operation; and the tape splicing platform is arranged on the mounting part above the rear side of the coil clamping mechanism and used for completing the tape splicing work of the pole piece coil before the coil is unreeled and the tape cutting work before the coil is unreeled in a matching manner. This receive unwinding device can reduce the unloading manual intervention on the coil stock, has improved convenience, the security of unloading on the heavy weight, the broad width coil stock, has not only alleviateed workman's working strength and has avoided the workman to get into equipment, avoids artifical transport to damage the coil stock simultaneously, has improved rolling quality and rolling efficiency. The technical personnel in the field can understand, the utility model provides a receive unwinding device is not limited to receive and unreel the pole piece coil stock, also can be used for receiving and unreeling other similar coil stocks.

Hereinafter, a take-up and pay-off device according to an embodiment of the present invention will be described in detail with reference to the accompanying drawings.

As shown in fig. 1 and fig. 2, the winding and unwinding device provided in this embodiment includes an installation portion 1, a coil clamping mechanism 2, a winding and unwinding driving mechanism 3, and a tape splicing platform 4. The coil clamping mechanism 2 is arranged on one side of the mounting part 1, and the coil clamping mechanism 2 is provided with an action end for clamping the pole piece coil 6 and enabling the pole piece coil 6 to rotate. The winding and unwinding driving mechanism 3 is also arranged on the mounting portion 1 and is in transmission connection with the action end of the coil clamping mechanism 2, and the winding and unwinding driving mechanism 3 is used for driving the action end of the coil clamping mechanism 2 to rotate so as to perform winding and unwinding operations. The tape splicing platform 4 is arranged on the mounting part 1 above the rear side of the coil clamping mechanism 2 and is used for completing tape splicing work before unwinding of the pole piece coil 6 and tape cutting work before winding and blanking in a matched manner.

In the above embodiment, preferably, the installation portion 1 is a U-shaped structure, specifically, the installation portion 1 includes the bottom plate 11 and the two vertical plates 12 vertically disposed to the bottom plate 11, and the installation portion 1 of the U-shaped structure not only facilitates installation of other components, but also can ensure stability of placement of the installation portion 1.

In the above embodiment, preferably, as shown in fig. 3 and 4, the roll clamping mechanism 2 includes: the mounting plate 21 is fixedly connected between the two vertical plates 12 of the mounting part 1; the sliding rail assembly 22 is fixedly connected to the outer side of the mounting plate 21; the cantilever parts 23, the two cantilever parts 23 are arranged on the slide rail component 22; the two air expansion shafts 24 are rotatably arranged on the two cantilever parts 23 respectively to form an action end of the coil stock clamping mechanism 2, and the air expansion shafts 24 are used for being matched with rollers on two sides of the pole piece coil stock 6; the two clamping driving parts 25 are arranged on the inner side of the mounting plate 21, the action ends of the two clamping driving parts 25 are in transmission connection with the two cantilever parts 23 respectively, and the clamping driving parts 25 are used for driving the two cantilever parts 23 to relatively approach or move away from each other so that the air expansion shaft 24 extends into or withdraws from the roller of the pole piece coil 6, thereby clamping or loosening the pole piece coil 6. In this embodiment, the clamp driving member 25 may be a cylinder.

In the above embodiment, preferably, the slide rail assembly 22 includes: the two linear slide rails 221 are fixedly connected to the outer side of the mounting plate 21 in parallel; the two sliders 222 are respectively slidably mounted on the linear slide rail 221, outer sides of the two sliders 222 are respectively fixedly connected with one end of the two cantilever portions 23, and inner sides of the two sliders 222 are respectively connected with the action ends of the two clamping driving members 25, so that when the action ends of the two clamping driving members 25 contract or extend, the two sliders 222 can be driven to slide on the linear slide rail 221, and the two cantilever portions 23 are driven to relatively approach or relatively move away.

In the above embodiment, preferably, the two expansion shafts 24 are respectively mounted on the opposite ends of the two cantilever portions 23 through bearings, thereby realizing the degree of freedom of rotation of the expansion shafts 24 on the cantilever portions 23.

In the above embodiment, preferably, the winding and unwinding driving mechanism 3 includes: the winding and unwinding driving piece 31 is fixedly connected to the outer side of the mounting plate 21; and the synchronous pulley assembly 32 is in transmission connection between the output end of the winding and unwinding driving piece 31 and the input end of the air expansion shaft 24. Therefore, when the winding and unwinding driving member 31 rotates forwards or backwards, the synchronous pulley assembly 32 drives the air inflation shaft 24 connected with the synchronous pulley assembly to rotate forwards or backwards, and further drives the pole piece roll material 6 on the air inflation shaft 24 to rotate forwards or backwards to perform winding and unwinding operations.

In the above embodiment, preferably, the device further includes a roll adjusting mechanism 5, and a through groove extending along the axial direction of the pole piece roll 6 is formed on the mounting plate 21 located between the two linear sliding rails 221, and the roll adjusting mechanism 5 includes: an adjusting drive member 51 fixedly connected to the inner side of the mounting plate 21; the rotating member 52 is rotatably arranged on the inner side of the mounting plate 21 and is parallel to the linear slide rail 221, and the input end of the rotating member 52 is in transmission connection with the output end of the adjusting driving member 51; a linear member 53 screwed to the rotary member 52, the linear member 53 being fixedly connected to the clamp driving member 25; and the clamping driving piece mounting plates 54 are slidably mounted on the linear slide rail 221 between the two sliding blocks 222, and the fixing parts of the two clamping driving pieces 25 are fixedly connected with the clamping driving piece mounting plates 54 after penetrating through the through grooves on the mounting plates 21. Therefore, when the driving member 51 is adjusted to rotate forward or backward, the rotating member 52 is driven to rotate forward or backward, and then the linear member 53 is converted into a left-right linear movement on the rotating member 52, and the two clamping driving members 25 and the clamping driving member mounting plate 54 are driven to move synchronously, and finally the two cantilever portions 23 are driven to move left and right on the linear slide rail 221 simultaneously to finely adjust the position of the pole piece roll 6, so that the pole piece roll 6 is aligned with the receiving platform 4. In this embodiment, the adjustment driving member 51 may be a motor, and the rotating member 52 and the linear member 53 are a lead screw and a nut, respectively.

In the above embodiment, preferably, as shown in fig. 5, the splicing platform 4 includes: a support plate 41 horizontally arranged between the two vertical plates 12 positioned above the rear side of the coil clamping mechanism 2; pole piece pressing plates 42, at least one pole piece pressing plate 42 is arranged on the upper part of the supporting plate 41 and is arranged in parallel with the supporting plate 41; and the press belt driving members 43 are arranged at the lower part of the supporting plate 41, and the action end of each press belt driving member 43 penetrates through the supporting plate 41 and then is connected with the pole piece pressing plate 42 so as to drive the pole piece pressing plate 42 to move up and down on the supporting plate 41 along the vertical direction. From this, after 6 material loading of pole piece coil stock is accomplished, by the manual work position of a volume material tail pole piece before the regulation and a volume material head pole piece after, then start to press and take driving piece 43 drive pole piece clamp plate 42 to compress tightly preceding a volume material tail pole piece and a volume material head pole piece after to backup pad 41 in proper order, and with a volume material tail pole piece before and a volume material head pole piece after bonding, start to press and take driving piece 43 drive pole piece clamp plate 42 to loosen at last, accomplish the pole piece and take the operation. In this embodiment, the belt pressing driving member 43 may be a cylinder.

In the above embodiment, preferably, as shown in fig. 2, a plurality of pole piece supporting rollers 7 around which pole pieces are wound are arranged on the mounting portion 1 between the coil clamping mechanism 2 and the splicing platform 4 and behind the splicing platform 4. Therefore, in the winding and unwinding process, the pole piece supporting roller 7 can ensure that the pole piece is always kept in a tight winding and unwinding state, and the pole piece is prevented from moving.

In the above embodiment, at least one reinforcement 8 is preferably provided between the risers 12 of the mounting portion 1 to further improve the stability of the mounting portion 1.

The utility model provides a receive unwinding device when using, its working process as follows:

when feeding and unreeling, the coil clamping mechanism 2 is opened, the pole piece coil 6 is pushed to the upper material level by a carrying tool (such as a trolley) manually, the two clamping driving pieces 25 drive the two air expanding shafts 24 to relatively approach to a roller extending into the pole piece coil 6, the air expanding shafts 24 expand out to clamp the pole piece coil 6, the pole piece coil 6 is separated from the trolley after being clamped, the coil adjusting mechanism 5 is started to finely adjust the position of the pole piece coil 6 to ensure the precision of the pole piece coil 6, the positions of the head pole piece of the pole piece coil 6 and the tail pole piece of the previous coil are manually adjusted, then the pressure belt driving piece 43 is started to drive the pole piece pressing plate 42 to press the two pole pieces onto the supporting plate 41 and bond the two pole pieces, the pressure belt driving piece 43 is started to drive the pole piece pressing plate 42 to release to complete the pole piece belt jointing operation, the winding and unreeling driving piece 31 is started to rotate clockwise (i.e. towards the direction of the belt jointing platform 4) after the pole piece belt jointing is completed, and unwinding is realized.

When winding and blanking are carried out, the winding and unwinding driving part 31 is controlled to rotate and wind in the anticlockwise direction (namely the direction departing from the tape splicing platform 4), the winding and unwinding driving part 31 stops working after winding, then the tape pressing driving part 43 is started to drive the pole piece pressing plate 42 to press the pole piece onto the supporting plate 41, the pole piece is cut off manually or by a machine, then the tape pressing driving part 43 is started to drive the pole piece pressing plate 42 to loosen, and the pole piece tape cutting operation is completed; the trolley is manually pushed to a coil position, after the trolley clamps the pole piece coil 6, the air expansion shafts 24 retract and drive the two air expansion shafts 24 to be away from the roller in opposite directions through the two clamping driving pieces 25 so as to withdraw the pole piece coil 6, and after the pole piece coil 6 is loosened, the trolley is manually pulled away to realize winding and discharging. Therefore, the winding and unwinding device can reduce manual intervention on feeding and discharging of the pole piece coil, improves convenience and safety of feeding and discharging of the pole piece coil with large weight (200-650 kg) and wide width, not only lightens working strength of workers and avoids the workers from entering equipment, but also avoids manual carrying to damage the pole piece coil, and improves winding quality and winding efficiency.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. The utility model provides a receive unwinding device which characterized in that includes:

a mounting portion (1);

the coil clamping mechanism (2) is arranged on one side of the mounting part (1), and the coil clamping mechanism (2) is provided with an action end for clamping a coil (6) and rotating the coil (6);

the winding and unwinding driving mechanism (3) is also arranged on the mounting part (1) and is in transmission connection with the action end of the coil clamping mechanism (2), and the winding and unwinding driving mechanism (3) is used for driving the action end of the coil clamping mechanism (2) to rotate so as to perform winding and unwinding operation;

and the tape splicing platform (4) is arranged above the rear side of the coil clamping mechanism (2) on the installation part (1) and is used for matching and completing tape splicing work of the coil (6) before unwinding and tape cutting work before winding and blanking.

2. Winding and unwinding device according to claim 1, characterised in that the mounting portion (1) comprises a base plate (11) and two vertical plates (12) arranged perpendicularly to the base plate (11).

3. Winding and unwinding device according to claim 2, characterised in that said coil clamping mechanism (2) comprises:

the mounting plate (21) is fixedly connected between the two vertical plates (12) of the mounting part (1);

the sliding rail assembly (22) is fixedly connected to the outer side of the mounting plate (21);

the two cantilever parts (23) are arranged on the slide rail assembly (22);

the two air inflation shafts (24) are rotatably and respectively arranged on the two cantilever parts (23) to form an action end of the coil clamping mechanism (2), and the air inflation shafts (24) are matched with rollers on two sides of the coil (6);

the roller material winding device comprises a clamping driving piece (25), wherein the clamping driving piece (25) is arranged on the inner side of the mounting plate (21), the action ends of the clamping driving piece (25) are in transmission connection with the cantilever parts (23), and the clamping driving piece (25) is used for driving the cantilever parts (23) to be relatively close to or away from each other so that the air expansion shaft (24) can stretch into or withdraw from the roller of the winding material (6).

4. A coiling and uncoiling apparatus according to claim 3, wherein the shoe assembly (22) comprises:

the two linear sliding rails (221) which are arranged in parallel are respectively and fixedly connected to the outer side of the mounting plate (21);

the two sliding blocks (222) are respectively installed on the linear sliding rail (221) in a sliding mode, the outer sides of the two sliding blocks (222) are respectively fixedly connected with one end of each cantilever part (23), and the inner sides of the two sliding blocks (222) are respectively connected with the action ends of the two clamping driving pieces (25).

5. A reel-up according to claim 3, wherein the two expansion shafts (24) are respectively mounted on opposite ends of the two cantilever portions (23) by bearings.

6. A winding and unwinding device according to claim 3, characterised in that said winding and unwinding drive mechanism (3) comprises:

the winding and unwinding driving piece (31) is fixedly connected to the outer side of the mounting plate (21);

and the synchronous pulley component (32) is in transmission connection between the output end of the winding and unwinding driving component (31) and the input end of the air inflation shaft (24).

7. The winding and unwinding device according to claim 4, further comprising a roll adjusting mechanism (5), wherein a through groove extending along the axial direction of the roll (6) is formed in the mounting plate (21) between the two linear sliding rails (221), and the roll adjusting mechanism (5) comprises:

an adjusting driving member (51) fixedly connected to the inner side of the mounting plate (21);

the rotating part (52) is rotatably arranged on the inner side of the mounting plate (21) and is parallel to the linear sliding rail (221), and the input end of the rotating part (52) is in transmission connection with the output end of the adjusting driving part (51);

a linear member (53) mounted on the rotary member (52) and forming a rotary pair therewith, the linear member (53) being fixedly connected to the clamping drive member (25);

and the clamping driving piece mounting plate (54) is slidably mounted on the linear sliding rail (221) between the two sliding blocks (222), and the fixing parts of the two clamping driving pieces (25) are fixedly connected with the clamping driving piece mounting plate (54) after penetrating through the through groove on the mounting plate (21).

8. Winding and unwinding device according to claim 2, characterised in that the splicing platform (4) comprises:

the supporting plate (41) is horizontally arranged between the two vertical plates (12) above the rear side of the coil material clamping mechanism (2);

a tape pressing plate (42), at least one tape pressing plate (42) is arranged on the upper part of the supporting plate (41) and is parallel to the supporting plate (41);

the pressing belt driving parts (43) are installed at the lower portion of the supporting plate (41), and the action end of each pressing belt driving part (43) penetrates through the supporting plate (41) and then is connected with the winding pressing plate (42) so as to drive the winding pressing plate (42) to reciprocate on the supporting plate (41) along the vertical direction.

9. A reeling device according to any one of claims 1-8, characterized in that several pole piece support rollers (7) around which the web is passed are arranged on the mounting portion (1) between the web clamping mechanism (2) and the splicing platform (4) and on the rear side of the splicing platform (4).

10. A reel-up according to any one of claims 2 to 8, characterised in that at least one reinforcement (8) is provided between the risers (12) of the mounting portion (1).