CN220720361U - Pole piece rolling device and battery production line - Google Patents

Abstract

The utility model belongs to the technical field of batteries, and discloses a pole piece rolling device and a battery production line. The pole piece rolling device comprises a mounting plate, two press rolls and two lifting mechanisms, wherein the two press rolls are arranged side by side along a first direction, and the press rolls extend along a second direction; the two lifting mechanisms are respectively arranged at two sides of the mounting plate, wherein each lifting mechanism comprises a driving piece, a follow-up assembly and a lifting assembly, and the driving piece extends along the second direction; the follow-up component is in threaded connection with the driving component and is in sliding fit with the mounting plate, and the driving component can rotate to enable the follow-up component to move along the second direction; the lifting component is in sliding fit with the mounting plate, an inclined plane is arranged at the bottom of the lifting component, and the top of the follow-up component is abutted to the inclined plane, so that the lifting component is driven to move along a first direction when the follow-up component moves, and the compression roller is pivoted on the corresponding lifting component. Above-mentioned pole piece roll-in device and battery production line have guaranteed the compactibility of pole piece both sides dressing, and the position adjustment convenient operation of compression roller.

Description

Pole piece rolling device and battery production line

Technical Field

The utility model relates to the technical field of batteries, in particular to a pole piece rolling device and a battery production line.

Background

The pole piece need all be coated dressing on its two-sided in the in-process of production, generally use two compression rollers to roll-in dressing and pole piece, because dressing pole piece just begins when the roll-in, the dressing is comparatively more, in order to guarantee that the dressing can not be extruded to overflow, just need control the interval of two compression rollers great, along with the steady progress of pole piece, adjust the interval of two compression rollers to suitable gradually, among the prior art, only one of them compression roller can the position of adjusting, but only one of them compression roller can the position of adjusting, can make the compaction effect of the dressing of one side of fixed compression roller unsatisfactory. And the compression roller is generally adjusted in the height direction, and when the driving piece is placed in the vertical direction, the working personnel can not conveniently operate below.

Therefore, there is a need to design a pole piece rolling device and a battery production line to solve the above problems.

Disclosure of Invention

The utility model aims to provide a pole piece rolling device, the positions of two press rollers can be adjusted, so that the compactibility of dressing on two sides of a pole piece is ensured, and the position of the press rollers is convenient to adjust.

Another object of the utility model is to provide a battery production line, which produces a battery with better compactibility of the dressing on both sides of the pole piece.

To achieve the purpose, the utility model adopts the following technical scheme:

pole piece roll-in device includes:

a mounting plate;

two press rolls arranged side by side in a first direction, the press rolls extending in a second direction, the first direction being perpendicular to the second direction;

two elevating systems are installed respectively in the both sides of above-mentioned mounting panel, and above-mentioned elevating system includes:

a driving member extending in the second direction;

a follower assembly threadedly coupled to the driver and slidably coupled to the mounting plate, the driver being rotatable to move the follower assembly in the second direction;

and the lifting assembly is in sliding fit with the mounting plate, the bottom of the lifting assembly is provided with an inclined plane, the top of the follow-up assembly is abutted against the inclined plane, so that the follow-up assembly is driven to move along the first direction when moving, and the press roller is pivoted on the corresponding lifting assembly.

As an alternative scheme, the two ends of each press roller are respectively and correspondingly provided with the lifting assemblies, the follow-up assemblies are arranged in one-to-one correspondence with the lifting assemblies, and the two follow-up assemblies are connected through a connecting rod.

As an alternative, the follower assembly includes:

the nut is in threaded connection with the driving piece;

the follower is connected with the nut;

the first bearing is pivoted with the follower and is in rolling fit with the inclined plane.

As an alternative, the nut may be provided with a limiting ring groove along a circumferential direction thereof, and the follower may include:

a pivoting part, wherein the first bearing is pivoted to the top of the pivoting part;

and the connecting part is U-shaped, is inserted into the nut and is limited in the limiting ring groove.

As an alternative, the lifting assembly includes:

the inclined surface is arranged below the inclined wedge piece;

one end of the supporting rod is connected with one end of the inclined wedge piece, which is away from the inclined plane, and the press roller is pivoted with the other end of the supporting rod.

As an alternative, the lifting mechanism further includes a locking member and a first mounting block, and the locking member is screwed to the first mounting block and can be abutted against the driving member by penetrating the first mounting block.

As an alternative, the pole piece rolling device further includes a rotary driving member, at least one end of each press roller is connected to an output end of the rotary driving member, and the rotary driving member is mounted on the corresponding lifting assembly.

As an alternative, the pole piece rolling device further includes a first guide assembly, where the first guide assembly includes:

a first rail mounted on the mounting plate and extending in the first direction;

and the first sliding block is arranged on the lifting assembly and is in sliding fit with the first guide rail.

As an alternative, the pole piece rolling device further includes a second guide assembly, where the second guide assembly includes:

a second rail mounted on the mounting plate and extending in the second direction;

and the second sliding block is arranged on the follow-up assembly and is in sliding fit with the second guide rail.

The battery production line comprises the pole piece rolling device and the roller releasing device, wherein the pole piece extends out of the roller releasing device and is rolled between the two pressing rollers.

The utility model has the beneficial effects that:

the utility model provides a pole piece rolling device, which is characterized in that two pressing rollers are connected with corresponding lifting mechanisms, so that the heights of the two pressing rollers can be adjusted, the pressure adjustment of the pressing rollers of dressing on two sides of a pole piece is balanced relatively, and the compactibility of dressing on two sides is good and consistent; and through rotating the driving piece for the follower moves in the second direction, because the inclined plane setting of lifting unit, follower butt is on the inclined plane, along with the follower moves in the second direction, can make the follower move in the first direction, and the rotation of driving piece can operate in the side, has made things convenient for operating personnel to adjust the height of compression roller.

The utility model also provides a battery production line, and the battery produced by the pole piece rolling device has better compactibility of dressing on two sides of the pole piece.

Drawings

Fig. 1 is a schematic structural diagram of a pole piece rolling device provided by an embodiment of the utility model;

FIG. 2 is an enlarged view at A in FIG. 1;

fig. 3 is an exploded view of a follower assembly and lead screw provided by an embodiment of the present utility model.

In the figure:

10. a mounting plate; 20. a press roller;

30. a lifting mechanism; 31. a driving member; 311. a turntable; 312. a screw rod;

32. a follower assembly; 321. a nut; 3211. a limit ring groove; 322. a follower; 3221. a pivoting part; 3222. a connection part; 323. a first bearing;

33. a lifting assembly; 331. wedge member; 3311. an inclined plane; 332. a support rod;

34. a second mounting block; 341. A second bearing;

35. a connecting rod; 36. A locking member;

40. a rotary driving member;

50. a first guide assembly; 51. a first guide rail; 52. a first slider; 60. a second guide assembly; 61. a second guide rail; 62. a second slider;

200. pole pieces.

Detailed Description

The utility model is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the structures related to the present utility model are shown in the drawings.

In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are orientation or positional relationships based on those shown in the drawings, merely for convenience of description and simplicity of operation, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the utility model. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for distinguishing between them.

The embodiment provides a pole piece rolling device, the position of each of two press rollers 20 can be adjusted, so that the compactibility of dressing on two sides of the pole piece 200 is ensured, and the position of each press roller 20 is convenient to adjust and operate. As shown in fig. 1 and 2, the pole piece rolling device comprises a mounting plate 10, two press rolls 20 and two lifting mechanisms 30, wherein the two press rolls 20 are arranged side by side along a first direction (X direction in the figure, also vertical direction), and the press rolls 20 extend along a second direction (Y direction in the figure, the Y direction is perpendicular to the X direction); two lifting mechanisms 30 are respectively installed on two sides of the mounting plate 10, wherein the lifting mechanisms 30 comprise a driving piece 31, a follower assembly 32 and a lifting assembly 33, and the driving piece 31 extends along the second direction; the follower assembly 32 is in threaded connection with the driver 31 and is in sliding fit with the mounting plate 10, and the driver 31 can rotate to move the follower assembly 32 in the second direction; the lifting assembly 33 is slidably matched with the mounting plate 10, the bottom of the lifting assembly 33 is provided with a slope 3311, and the top of the follower assembly 32 is abutted against the slope 3311, so that the follower assembly 32 drives the lifting assembly 33 to move along the first direction when moving, and the press roller 20 is pivoted on the corresponding lifting assembly 33. According to the pole piece rolling device, the two pressing rollers 20 are connected with the corresponding lifting mechanisms 30, so that the heights of the two pressing rollers 20 can be adjusted, the pressure adjustment of the pressing rollers 20 of the dressing on the two sides of the pole piece 200 is balanced relatively, and the compactibility of the dressing on the two sides is good and consistent; and through rotating the driving piece 31 for the follower 32 moves in the second direction, because the inclined plane 3311 of the lifting assembly 33 sets up, the follower 32 butt is on the inclined plane 3311, along with the removal of follower 32 in the second direction, can make follower 32 remove in the first direction, and the rotation of driving piece 31 can operate in the side, has made things convenient for the height of operating personnel's regulation compression roller 20.

And lifting mechanisms 30 are correspondingly arranged on two sides of the mounting plate 10 respectively, so that the range of the relative adjustment distance of the two press rolls 20 can be increased. The following description will exemplify the lifting mechanism 30 on one side, and the structure on the other side will not be repeated.

Preferably, as shown in fig. 2, the driving member 31 includes a turntable 311 and a screw 312, the screw 312 extends in the second direction, the follower assembly 32 is screwed with the screw 312, and the turntable 311 is disposed at one end of the screw 312. Through the arrangement, an operator can conveniently hold the rotary table 311, and the operator can rotate the rotary table 311 in a labor-saving manner.

Optionally, the lifting mechanism 30 further includes a first mounting block (not shown) and a second mounting block 34 that are mounted on the mounting plate 10 and are disposed at intervals along the second direction, and two ends of the screw 312 are respectively pivoted with the first mounting block and the second mounting block 34, so as to ensure stability of the screw 312 during rotation. Optionally, a second bearing 341 is provided between the first mounting block and the screw 312 and between the second mounting block 34 and the screw 312 to ensure smooth rotation of the screw 312. The screw 312 at which the bearing is provided is not provided with a thread.

Preferably, as shown in fig. 1 and 2, the lifting mechanism 30 further includes a locking member 36, where the locking member 36 is screwed to the first mounting block and can be abutted with the driving member 31 through the first mounting block. Through the above arrangement, when the follower 32 reaches a certain position, that is, the height of the lifting assembly 33 is fixed, and the locking member 36 abuts against the screw rod 312, the lifting assembly 33 can be prevented from receiving the reaction force of the pole piece 200, and then the downward trend is achieved, so that the stability of the position of the pressing roller 20 during operation is ensured.

Preferably, as shown in fig. 1, lifting assemblies 33 are correspondingly arranged at two ends of each press roller 20, the follower assemblies 32 are arranged in one-to-one correspondence with the lifting assemblies 33, and the two follower assemblies 32 are connected through a connecting rod 35. Through the arrangement, the even stress at the two ends of each press roller 20 can be ensured, and through the arrangement of the connecting rods 35, the simultaneous ascending of one driving piece 31 and two lifting assemblies 33 is realized, and the height consistency at the two ends of each press roller 20 is ensured.

As shown in fig. 2, the follower assembly 32 includes a nut 321, a follower 322, and a first bearing 323, and the nut 321 is screwed with the driver 31; the follower 322 is connected with the nut 321; the first bearing 323 is pivotally connected to the follower 322, and the first bearing 323 is in rolling engagement with the inclined plane 3311. Through the arrangement, the first bearing 323 is used as a part contacted with the inclined plane 3311, so that the friction of the follower assembly 32 contacted with the inclined plane 3311 is rolling friction, the friction force between the follower assembly 32 and the inclined plane 3311 is reduced, and the transmission is smoother.

Preferably, as shown in fig. 3, the nut 321 is provided with a limiting ring groove 3211 along the circumferential direction thereof, the follower 322 comprises a pivot portion 3221 and a connecting portion 3222, and the first bearing 323 is pivoted to the top of the pivot portion 3221; the connection portion 3222 is U-shaped, and the connection portion 3222 is inserted into the nut 321 and limited in the limiting ring groove 3211. Through the arrangement, no connecting part is needed, the connecting mode of the nut 321 and the follower 322 is simplified, and the nut and the follower 322 can be installed by simply plugging.

Preferably, as shown in fig. 1, the pole piece rolling device further includes a second guide assembly 60, the second guide assembly 60 including a second guide rail 61 and a second slider 62, the second guide rail 61 being mounted to the mounting plate 10 and extending in the second direction; the second slider 62 is mounted to the follower assembly 32, and the second slider 62 is in sliding engagement with the second rail 61. By the above arrangement, the accuracy and uniqueness of the sliding of the follower assembly 32 in the second direction is ensured.

As shown in fig. 1 and 2, the lifting assembly 33 includes a cam 331 and a support rod 332, and a ramp 3311 is provided under the cam 331; one end of the support rod 332 is connected to one end of the cam 331 facing away from the ramp 3311, and the pressing roller 20 is pivotally connected to the other end of the support rod 332. By the above arrangement, the lifting unit 33 can be lifted up by the follower unit 32.

Preferably, as shown in fig. 1, the pole piece rolling device further includes a first guide assembly 50, the first guide assembly 50 includes a first guide rail 51 and a first slider 52, and the first guide rail 51 is mounted on the mounting plate 10 and extends in a first direction; the first slider 52 is mounted to the lifting assembly 33, and the first slider 52 is slidably engaged with the first rail 51. By the above arrangement, the accuracy and uniqueness of the movement of the lifting assembly 33 in the first direction can be ensured.

It should be noted that, since the support rods 332 are disposed on both sides of the mounting plate 10, and the support rods 332 extend along the first direction, the arrangement direction of the two press rolls 20 is horizontal, which obviously does not meet the use requirement, so the top ends of the support rods 332 are L-shaped, so that the two press rolls 20 are arranged in the first direction.

Preferably, as shown in fig. 1, the pole piece rolling device further includes a rotary driving member 40, at least one end of each press roller 20 is connected to an output end of the rotary driving member 40, and the rotary driving member 40 is mounted on the corresponding lifting assembly 33. Through the arrangement, the compression roller 20 is guaranteed to rotate while being compacted, and friction between auxiliary materials and the compression roller 20 is reduced.

The embodiment also provides a battery production line, which comprises the pole piece rolling device and the roller releasing device, wherein the pole piece 200 extends out of the roller releasing device and is rolled between the two pressing rollers 20. By adopting the pole piece rolling device, the produced battery has better compactibility of dressing on two sides of the pole piece 200.

It is to be understood that the above examples of the present utility model are provided for clarity of illustration only and are not limiting of the embodiments of the present utility model. Various obvious changes, rearrangements and substitutions can be made by those skilled in the art without departing from the scope of the utility model. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are desired to be protected by the following claims.

Claims (10)

1. Pole piece roll-in device, its characterized in that includes:

a mounting plate (10);

two press rolls (20) arranged side by side in a first direction, the press rolls (20) extending in a second direction, the first direction being perpendicular to the second direction;

two elevating mechanisms (30) are respectively installed on two sides of the installation plate (10), and the elevating mechanisms (30) comprise:

a driving member (31) extending in the second direction;

-a follower assembly (32) threadedly coupled to the driver (31) and in sliding engagement with the mounting plate (10), the driver (31) being rotatable to move the follower assembly (32) in the second direction;

the lifting assembly (33) is in sliding fit with the mounting plate (10), an inclined plane (3311) is arranged at the bottom of the lifting assembly (33), the top of the follow-up assembly (32) is abutted to the inclined plane (3311), the lifting assembly (33) is driven to move along the first direction when the follow-up assembly (32) moves, and the press roll (20) is pivoted on the corresponding lifting assembly (33).

2. Pole piece rolling device according to claim 1, characterized in that the lifting assemblies (33) are respectively arranged at two ends of each press roller (20), the follower assemblies (32) are arranged in a one-to-one correspondence with the lifting assemblies (33), and the two follower assemblies (32) are connected through a connecting rod (35).

3. The pole piece rolling device according to claim 1, characterized in that the follower assembly (32) comprises:

a nut (321) screwed to the driving element (31);

a follower (322) connected to the nut (321);

and the first bearing (323) is pivoted with the follower (322), and the first bearing (323) is in rolling fit with the inclined plane (3311).

4. A pole piece rolling device according to claim 3, wherein the nut (321) is provided with a limiting ring groove (3211) along the circumferential direction thereof, and the follower (322) comprises:

a pivot portion 3221, wherein the first bearing 323 is pivoted to the top of the pivot portion 3221;

the connecting part (3222) is U-shaped, and the connecting part (3222) is inserted into the nut (321) and limited in the limiting ring groove (3211).

5. The pole piece rolling device according to claim 1, characterized in that the lifting assembly (33) comprises:

a wedge (331), the inclined plane (3311) being arranged below the wedge (331);

and one end of the supporting rod (332) is connected with one end of the inclined wedge piece (331) deviating from the inclined plane (3311), and the compression roller (20) is pivoted with the other end of the supporting rod (332).

6. The pole piece rolling device according to any one of claims 1-5, characterized in that the lifting mechanism (30) further comprises a locking member (36) and a first mounting block, wherein the locking member (36) is screwed to the first mounting block and can be abutted with the driving member (31) through the first mounting block.

7. A pole piece rolling device according to any of claims 1-5, further comprising a rotary drive member (40), at least one end of each press roller (20) being connected to an output end of the rotary drive member (40), the rotary drive member (40) being mounted on the corresponding lifting assembly (33).

8. The pole piece rolling device according to any of claims 1-5, further comprising a first guiding assembly (50), the first guiding assembly (50) comprising:

a first rail (51) mounted to the mounting plate (10) and extending in the first direction;

and the first sliding block (52) is arranged on the lifting assembly (33), and the first sliding block (52) is in sliding fit with the first guide rail (51).

9. The pole piece rolling device according to any of the claims 1-5, further comprising a second guiding assembly (60), the second guiding assembly (60) comprising:

a second guide rail (61) mounted to the mounting plate (10) and extending in the second direction;

and a second slider (62) mounted on the follower assembly (32), wherein the second slider (62) is in sliding fit with the second guide rail (61).

10. Battery production line, characterized in that it comprises a pole piece rolling device according to any of claims 1-9 and a roll release device from which pole pieces (200) protrude into between two of said press rolls (20) to be rolled.