阅读说明：本技术 一种极片叠片装置 (Pole piece lamination device ) 是由 夏利 张士启 王涛 于 2021-09-18 设计创作，主要内容包括：本发明提出了一种极片叠片装置,包括用于放置极片的放置台和至少一个压片机构,压片机构包括驱动件、两个压板和两个移动组件,两个移动组件分别设置在放置台两侧；移动组件包括水平移动件、升降件和复位件,水平移动件上设置有第一导向斜面；升降件上设置有与第一导向斜面配合的第二导向斜面,第一导向斜面与第二导向斜面连接,升降件一端安装有一个压板,升降件远离压板的一端连接有复位件；驱动件连接两个水平移动件,驱动件驱动水平移动件沿水平方向做往复移动时,水平移动件的往复移动带动升降件上的压板靠近或远离放置台。本发明的极片叠片装置解决了现有的极片叠片过程中极片损伤的问题。(The invention provides a pole piece laminating device which comprises a placing table for placing pole pieces and at least one tabletting mechanism, wherein the tabletting mechanism comprises a driving piece, two pressing plates and two moving assemblies, and the two moving assemblies are respectively arranged on two sides of the placing table; the moving assembly comprises a horizontal moving piece, a lifting piece and a resetting piece, and a first guide inclined plane is arranged on the horizontal moving piece; a second guide inclined plane matched with the first guide inclined plane is arranged on the lifting piece, the first guide inclined plane is connected with the second guide inclined plane, a pressing plate is installed at one end of the lifting piece, and a resetting piece is connected to one end, far away from the pressing plate, of the lifting piece; the driving piece is connected with the two horizontal moving pieces, and when the driving piece drives the horizontal moving pieces to do reciprocating motion along the horizontal direction, the reciprocating motion of the horizontal moving pieces drives the pressing plate on the lifting piece to be close to or far away from the placing table. The pole piece laminating device solves the problem of pole piece damage in the existing pole piece laminating process.)

1. A pole piece laminating device is characterized by comprising a placing table for placing pole pieces and at least one tabletting mechanism, wherein the tabletting mechanism comprises a driving piece, two pressing plates and two moving assemblies, and the two moving assemblies are respectively arranged on two sides of the placing table;

the moving assembly comprises a horizontal moving piece, a lifting piece and a resetting piece, and a first guide inclined plane is arranged on the horizontal moving piece; a second guide inclined plane matched with the first guide inclined plane is arranged on the lifting piece, the first guide inclined plane is connected with the second guide inclined plane, one end of the lifting piece is provided with the pressing plate, and one end of the lifting piece, which is far away from the pressing plate, is connected with the resetting piece;

the driving part is connected with the two horizontal moving parts, and when the driving part drives the horizontal moving parts to reciprocate along the horizontal direction, the reciprocating movement of the horizontal moving parts drives the pressing plate on the lifting part to be close to or far away from the placing table.

2. The pole piece lamination apparatus of claim 1, wherein the horizontal mover comprises a slide and a guide block, the slide being coupled to the drive member; the guide block is arranged on the sliding seat, and the first guide inclined plane is arranged at one end, far away from the sliding seat, of the guide block;

the lifting piece comprises a guide groove, the second guide inclined plane is arranged in the guide groove, and when the sliding seat moves in a reciprocating mode in the horizontal direction, the first guide inclined plane is overlapped with or far away from the second guide inclined plane.

3. The pole piece lamination device according to claim 2, wherein the sheeting mechanism further comprises a base plate and a limiting assembly, the driving member is mounted on the base plate, and the sliding seats are arranged on two sides of the base plate; the limiting assembly comprises a first limiting part and a positioning part, the first limiting part comprises a mounting seat, a limiting stud and a limiting circular groove, the mounting seat is mounted on the substrate, a through hole is formed in the mounting seat, the limiting stud is accommodated in the through hole, and one end of the limiting stud extends out of the through hole; the limiting circular groove is arranged on the guide block; the positioning piece comprises a fixed seat, a positioning column and a positioning groove, and the fixed seat is arranged on the substrate and is arranged on one side of the mounting seat; the positioning column is arranged on the fixed seat; the positioning groove is formed in the mounting seat, and the positioning column is clamped with the positioning groove;

when the first guide inclined plane is overlapped with the second guide inclined plane, the limiting stud falls into the limiting circular groove, and the pole piece is pressed by the pressing plate; when the first guide inclined plane is far away from the second guide inclined plane, the limiting stud is separated from the limiting circular groove, and the pressing plate moves upwards to be far away from the pole piece.

4. The pole piece lamination device according to claim 3, wherein the mounting seat is provided with an accommodating cavity and an avoiding groove, the accommodating cavity is communicated with the avoiding groove, and the lifting member is mounted in the accommodating cavity; the guide block is close to one end of the first guide inclined plane is located in the avoidance groove, and the through hole is formed in the upper end of the avoidance groove and communicated with the avoidance groove.

5. The pole piece lamination device according to claim 4, wherein the guide block is provided with a guide strip at a side edge thereof, and the guide strip is arranged along an extending direction of the guide block; the side of dodging the groove is provided with the spout, the gib block with spout sliding connection makes driving piece drive the guide block is followed dodge the groove and do reciprocating motion.

6. The pole piece lamination device according to claim 3, wherein the limiting assembly further comprises a second limiting member, the second limiting member comprises a limiting groove and a limiting rod, the limiting groove is disposed on two sides of the mounting seat and extends in a vertical direction; one end of the limiting rod penetrates through the limiting groove to be connected with the lifting piece.

7. The pole piece lamination assembly of claim 3, wherein the movement assembly further comprises a movement guide comprising a guide rail and a slider, the guide rail being mounted on the base plate; the mounting seat is mounted on the guide rail through the sliding block.

8. The pole piece stacking device according to claim 3, further comprising a first guide assembly and a second guide assembly, wherein the first guide assembly comprises a first guide post and a first guide sleeve, the first guide sleeve is mounted on the base plate, the first guide post extends vertically, one end of the first guide post is connected with the placing table, and the other end of the first guide post is slidably inserted into the first guide sleeve;

the second guide assembly comprises a second guide post and a second guide shaft sleeve, the second guide shaft sleeve is installed on one surface, deviating from the pole piece, of the placing table, the second guide post vertically extends, one end of the second guide post is connected with the base plate, and the other end of the second guide post is slidably inserted into the second guide shaft sleeve.

9. The pole piece lamination device according to claim 8, wherein the second guide assembly further comprises a buffer spring disposed around the second guide post.

10. The pole piece lamination assembly of claim 1, wherein the sheeting mechanism further comprises a mounting member comprising a first mounting plate and a second mounting plate, the platen being mounted to the first mounting plate, the first mounting plate being movably adjustable in a direction of extension of the first mounting plate to the second mounting plate; the second mounting plate is movably and adjustably mounted on the lifting piece along the extending direction of the second mounting plate.

Technical Field

The invention relates to the technical field of battery processing, in particular to a pole piece lamination device.

Background

The demand of lithium batteries is getting larger and higher, the quality requirement of the lithium batteries is getting higher and higher, and the lamination quality of the pole pieces is directly related to the yield of the batteries, so that the lamination process plays a crucial role in the preparation and production of the batteries. The tabletting device of the lithium battery laminating machine mainly compresses the laminated pole piece, and is convenient for laminating the next pole piece.

At present, the lamination of some lithium ion batteries is carried out by manually and alternately stacking the positive and negative pole pieces in a clamp according to the established requirements, so that the labor intensity is high, and the influence of human factors is large. The existing tabletting device mainly comprises two cylinders, X-direction movement and Z-direction movement are realized, namely, one cylinder is lifted and descended to enable a pressing plate to compress and loosen a pole piece and a diaphragm, the other cylinder realizes that the pressing plate moves leftwards and rightwards, the Z-direction cylinder drives the pressing plate to rise, then the pressing plate is driven by the X-direction cylinder to separate towards the two sides of the pole piece and the diaphragm, lamination is carried out, after lamination is completed, the X-direction cylinder drives the pressing plate to move towards the pole piece and the diaphragm, and the Z-direction cylinder drives the pressing plate to descend and compress on the pole piece and the diaphragm. Wherein the impact force is great when the Z is to cylinder withdrawal, makes pole piece deformation or damage easily, and occupation space is great.

Disclosure of Invention

The technical problems to be solved by the invention are as follows: the pole piece lamination device is provided for solving the problem of pole piece damage in the existing pole piece lamination process.

The invention provides a pole piece laminating device which comprises a placing table for placing pole pieces and at least one tabletting mechanism, wherein the tabletting mechanism comprises a driving piece, two pressing plates and two moving assemblies, and the two moving assemblies are respectively arranged on two sides of the placing table;

the moving assembly comprises a horizontal moving piece, a lifting piece and a resetting piece, and a first guide inclined plane is arranged on the horizontal moving piece; a second guide inclined plane matched with the first guide inclined plane is arranged on the lifting piece, the first guide inclined plane is connected with the second guide inclined plane, one end of the lifting piece is provided with the pressing plate, and one end of the lifting piece, which is far away from the pressing plate, is connected with the resetting piece;

the driving part is connected with the two horizontal moving parts, and when the driving part drives the horizontal moving parts to reciprocate along the horizontal direction, the reciprocating movement of the horizontal moving parts drives the pressing plate on the lifting part to be close to or far away from the placing table.

Optionally, the horizontal moving member comprises a sliding seat and a guide block, and the sliding seat is connected with the driving member; the guide block is arranged on the sliding seat, and the first guide inclined plane is arranged at one end, far away from the sliding seat, of the guide block;

the lifting piece comprises a guide groove, the second guide inclined plane is arranged in the guide groove, and when the sliding seat moves in a reciprocating mode in the horizontal direction, the first guide inclined plane is overlapped with or far away from the second guide inclined plane.

Optionally, the tablet pressing mechanism further comprises a substrate and a limiting assembly, the driving member is mounted on the substrate, and the sliding seats are arranged on two sides of the substrate; the limiting assembly comprises a first limiting part and a positioning part, the first limiting part comprises a mounting seat, a limiting stud and a limiting circular groove, the mounting seat is mounted on the substrate, a through hole is formed in the mounting seat, the limiting stud is accommodated in the through hole, and one end of the limiting stud extends out of the through hole; the limiting circular groove is arranged on the guide block; the positioning piece comprises a fixed seat, a positioning column and a positioning groove, and the fixed seat is arranged on the substrate and is arranged on one side of the mounting seat; the positioning column is arranged on the fixed seat; the positioning groove is formed in the mounting seat, and the positioning column is clamped with the positioning groove;

when the first guide inclined plane is overlapped with the second guide inclined plane, the limiting stud falls into the limiting circular groove, and the pole piece is pressed by the pressing plate; when the first guide inclined plane is far away from the second guide inclined plane, the limiting stud is separated from the limiting circular groove, and the pressing plate moves upwards to be far away from the pole piece.

Optionally, the mounting seat is provided with an accommodating cavity and an avoiding groove, the accommodating cavity is communicated with the avoiding groove, and the lifting piece is mounted in the accommodating cavity; the guide block is close to one end of the first guide inclined plane is located in the avoidance groove, and the through hole is formed in the upper end of the avoidance groove and communicated with the avoidance groove.

Optionally, a guide strip is arranged on the side edge of the guide block, and the guide strip is arranged along the extending direction of the guide block; the side of dodging the groove is provided with the spout, the gib block with spout sliding connection makes driving piece drive the guide block is followed dodge the groove and do reciprocating motion.

Optionally, the limiting assembly further includes a second limiting member, the second limiting member includes a limiting groove and a limiting rod, the limiting groove is disposed on two sides of the mounting seat and extends in the vertical direction; one end of the limiting rod penetrates through the limiting groove to be connected with the lifting piece.

Optionally, the moving assembly further comprises a moving guide, the moving guide comprises a guide rail and a slider, and the guide rail is mounted on the substrate; the mounting seat is mounted on the guide rail through the sliding block.

Optionally, the pole piece stacking device further includes a first guide assembly and a second guide assembly, the first guide assembly includes a first guide post and a first guide shaft sleeve, the first guide shaft sleeve is mounted on the base plate, the first guide post extends vertically, one end of the first guide post is connected with the placing table, and the other end of the first guide post is slidably inserted into the first guide shaft sleeve;

the second guide assembly comprises a second guide post and a second guide shaft sleeve, the second guide shaft sleeve is installed on one surface, deviating from the pole piece, of the placing table, the second guide post vertically extends, one end of the second guide post is connected with the base plate, and the other end of the second guide post is slidably inserted into the second guide shaft sleeve.

Optionally, the second guide assembly further comprises a buffer spring, and the buffer spring is sleeved on the periphery of the second guide post.

Optionally, the tablet pressing mechanism further comprises a mounting member, the mounting member comprises a first mounting plate and a second mounting plate, the pressing plate is mounted on the first mounting plate, and the first mounting plate is movably and adjustably mounted on the second mounting plate along the extending direction of the first mounting plate; the second mounting plate is movably and adjustably mounted on the lifting piece along the extending direction of the second mounting plate.

In the invention, the driving part drives the horizontal moving part to reciprocate along the horizontal direction, so that the lifting of the lifting part is realized. When the horizontal moving member is close to the placing table, the lifting member is connected with the first guide inclined plane through the second guide inclined plane, the pressing plate is driven to be close to the pole piece on the placing table, and the pole piece is compressed. When the horizontal moving member is far away from the placing table, the lifting member is lifted through the resetting member, the pole piece on the placing table is far away, and the impact force on the pole piece when the pressing plate is reset is reduced. Through two horizontal moving members of driving piece simultaneous drive, realize compressing tightly placing the pole piece on the platform, compact structure, occupation space is little.

Drawings

Fig. 1 is a schematic perspective view of a pole piece lamination apparatus according to an embodiment of the present invention;

FIG. 2 is an exploded view of a pole piece lamination apparatus according to an embodiment of the present invention;

FIG. 3 is a schematic view of another angle of a pole piece lamination apparatus according to an embodiment of the present invention;

fig. 4 is an enlarged view of a in fig. 3.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

In order to explain the technical means of the present invention, the following description will be given by way of specific examples.

As shown in fig. 1-4, a pole piece stacking apparatus according to an embodiment of the present invention includes a placing table 1 for placing a pole piece, and at least one sheeting mechanism, where the sheeting mechanism includes a driving member 2, two pressing plates 3, and two moving assemblies, and the two moving assemblies are respectively disposed on two sides of the placing table 1. In particular, the driver 2 is a cylinder.

The moving assembly comprises a horizontal moving member 41, a lifting member 42 and a resetting member 43, wherein a first guiding inclined surface 4111 is arranged on the horizontal moving member 41. Be provided with on the lift piece 42 with first direction inclined plane 4111 complex second direction inclined plane 4211, first direction inclined plane 4111 with second direction inclined plane 4211 is connected, one is installed to lift piece 42 one end the clamp plate 3, the lift piece 42 is kept away from the one end of clamp plate 3 is connected with reset piece 43. Specifically, the restoring member 43 is a spring or elastic rubber.

The driving member 2 is connected to the two horizontal moving members 41, and when the driving member 2 drives the horizontal moving members 41 to reciprocate along the horizontal direction, the reciprocating movement of the horizontal moving members 41 drives the pressing plate 3 on the lifting member 42 to approach or leave the placing table 1.

When the pole piece laminating device works, pole pieces are placed on the placing table 1, the driving piece 2 drives the horizontal moving piece 41 to move towards the direction close to the placing table 1, and the lifting piece 42 drives the pressing plate 3 to descend so as to compress the pole pieces. The driving member 2 drives the horizontal moving member 41 to move in a direction away from the placing table 1, the elevating member 42 is raised by the urging force of the returning member 43, and the pressing plate 3 is separated from the pole piece. Repeating the above operation to stack the pole pieces.

In the embodiment, the driving member 2 drives the horizontal moving member 41 to reciprocate in the horizontal direction, so as to lift the lifting member 42. When the horizontal moving member 41 is close to the placing table 1, the lifting member 42 is connected with the first guiding inclined surface 4111 through the second guiding inclined surface 4211, so that the pressing plate 3 is driven to be close to the pole piece on the placing table 1, and the pole piece is compressed. When the horizontal moving member 41 is separated from the placing table 1, the lifting member 42 is lifted by the restoring member 43 to be separated from the pole piece on the placing table 1, thereby reducing the impact force on the pole piece when the pressing plate 3 is restored. Two horizontal moving members 41 are driven by the driving member 2 at the same time, so that the pole pieces on the placing table 1 are compressed, the structure is compact, and the occupied space is small.

Further, the preforming mechanism is two, sets up respectively and places 1 both ends of platform, compresses tightly the periphery of pole piece.

As shown in fig. 1 and 2, in some embodiments of the present invention, the horizontal moving member 41 includes a sliding seat 411 and a guide block 412, and the sliding seat 411 is connected to the driving member 2. The guide block 412 is mounted on the sliding seat 411, and the first guide inclined surface 4111 is disposed at an end of the guide block 412 away from the sliding seat 411.

The lifting member 42 comprises a guide groove 421, the second guide inclined plane 4211 is arranged in the guide groove 421, when the sliding seat 411 moves in a reciprocating manner along the horizontal direction, the first guide inclined plane 4111 is overlapped with or far away from the second guide inclined plane 4211, and the lifting member 42 is driven by the horizontal moving member 41 through the cooperation of the first guide inclined plane 4111 and the second guide inclined plane 4211.

As shown in fig. 2, in some embodiments of the present invention, the sheeting mechanism further includes a base plate 5 and a limiting component, the driving component 2 is mounted on the base plate 5, and the sliding seats 411 are disposed on two sides of the base plate 5. The limiting assembly comprises a first limiting member 61 and a positioning member 62, the first limiting member 61 comprises a mounting seat 611, a limiting stud and a limiting circular groove 612, the mounting seat 611 is mounted on the substrate 5, a through hole 613 is formed in the mounting seat 611, the limiting stud is accommodated in the through hole 613, and one end of the limiting stud extends out of the through hole 613. The limiting circular groove 612 is arranged on the guide block 412. The positioning element 62 includes a fixing seat 621, a positioning post 622 and a positioning slot 623, wherein the fixing seat 621 is installed on the substrate 5 and is disposed on one side of the installation seat 611. The positioning post 622 is mounted on the fixing base 621. The positioning groove 623 is disposed on the mounting base 611, and the positioning column 622 is clamped to the positioning groove 623.

When the first guiding inclined plane 4111 is overlapped with the second guiding inclined plane 4211, the limiting stud falls into the limiting circular groove 612, and the pressure plate 3 compresses the pole piece. When the first guiding inclined surface 4111 is far away from the second guiding inclined surface 4211, the limiting stud is separated from the limiting circular groove 612, and the pressing plate 3 moves upwards to be far away from the pole piece. The resistance between the positioning column 622 and the positioning groove 623 in clamping connection is larger than the resistance between the limiting stud and the limiting circular groove 612, so that the limiting stud is separated from the limiting circular groove 612, when the limiting stud is separated from the limiting circular groove 612, the pressure plate 3 is lifted upwards at the same time, the lifting distance range is 0.2-0.3mm, the friction scratch of the pressure plate 3 to the pole piece in the upward process of drawing out the pole piece after the pole piece is pressed is avoided, the surface of the pole piece is protected, and the lamination quality is ensured.

As shown in fig. 1 and 2, in some embodiments of the present invention, the mounting seat 611 is provided with a receiving cavity 614 and an avoiding groove 615, the receiving cavity 614 is communicated with the avoiding groove 615, and the lifting element 42 and the resetting element 43 are mounted in the receiving cavity 614. The guide block 412 is close to the one end of first direction inclined plane 4111 is located in dodge groove 615, through-hole 613 set up in dodge groove 615 upper end, and with dodge groove 615 intercommunication, be convenient for first direction inclined plane 4111 and the contact of second direction inclined plane 4211.

As shown in fig. 2, in some embodiments of the present invention, the guide block 412 is provided with a guide bar 4122 at a side thereof, and the guide bar 4122 is arranged along an extending direction of the guide block 412. A sliding groove 6151 is formed in the side edge of the avoiding groove 615, and the guide strip 4122 is slidably connected with the sliding groove 6151, so that the driving piece 2 drives the guide block 412 to reciprocate along the avoiding groove 615, and the first guide inclined surface 4111 is in contact with the second guide inclined surface 4211.

As shown in fig. 1 to 4, in some embodiments of the present invention, the limiting assembly further includes a second limiting member 63, the second limiting member 63 includes a limiting groove 631 and a limiting rod 632, and the limiting groove 631 is disposed on two sides of the mounting seat 611 and extends in a vertical direction. One end of the limit rod 632 passes through the limit groove 631 to connect with the lifting member 42. The second stopper 63 is provided to restrict the height of the elevating member 42 from rising or falling.

As shown in fig. 1 and 2, in some embodiments of the present invention, the moving assembly further includes a moving guide including a guide rail 441 and a slider 442, the guide rail 441 being mounted on the base plate 5. The mounting seat 611 is mounted on the guide rail 441 through the slider 442. The mount 611 is moved along the guide rail 441 when the horizontal moving member 41 is away from or close to the placing table 1 by providing a moving guide. In a state where the positioning post 622 is engaged with the positioning groove 623, the moving displacement of the mounting seat 611 along the guide rail 441 is affected by the tightness of the engagement between the positioning post 622 and the positioning groove 623.

Further, the sliding base 411 is provided with an avoiding hole 4111 for avoiding the guide rail 441.

As shown in fig. 1 and 2, in some embodiments of the present invention, the pole piece lamination device further includes a first guide assembly 71 and a second guide assembly 72, the first guide assembly 71 includes a first guide column 711 and a first guide sleeve 712, the first guide sleeve 712 is mounted on the base plate 5, the first guide column 711 extends vertically, one end of the first guide column 711 is connected to the placing table 1, and the other end of the first guide column 711 is slidably inserted into the first guide sleeve 712.

The second guiding assembly 72 includes a second guiding column 721 and a second guiding axle sleeve 722, the second guiding axle sleeve 722 is installed on a surface of the placing table 1 departing from the pole piece, the second guiding column 721 extends vertically, one end of the second guiding column 721 is connected with the substrate 5, and the other end of the second guiding column 721 is slidably inserted into the second guiding axle sleeve 722.

In some embodiments of the present invention, the second guiding component 72 further comprises a buffer spring, and the buffer spring is sleeved on the outer periphery of the second guiding column 721. When clamp plate 3 compressed tightly the pole piece, place platform 1 and pass through first guide assembly 71 and second guide assembly 72 downstream, avoid clamp plate 3 to exert the power too big to the pole piece, cause the damage to the pole piece. Through setting up buffer spring for when clamp plate 3 left the pole piece, cushion the impact force that the pole piece received, make simultaneously and place 1 return of platform.

As shown in fig. 1 to 4, in some embodiments of the present invention, the sheeting mechanism further comprises a mounting member 8, the mounting member 8 comprises a first mounting plate 81 and a second mounting plate 82, the press plate 3 is mounted on the first mounting plate 81, and the first mounting plate 81 is movably and adjustably mounted on the second mounting plate 82 along the extending direction of the first mounting plate 81. The second mounting plate 82 is movably and adjustably mounted to the elevation member 42 in an extending direction of the second mounting plate 82. The positions of the pressing plates 3 are adjusted by adjusting the positions of the first mounting plate 81 and the second mounting plate 82, so that pole pieces of different sizes can be conveniently pressed.

As shown in fig. 1-4, in some embodiments of the present invention, the second mounting plate 82 is provided with a first threaded hole and the lifting member 42 is provided with a second threaded hole.

The first mounting plate 81 is provided with a first strip-shaped hole 811 along the extending direction of the first mounting plate 81, and the first strip-shaped hole 811 is screwed into the first screw hole through a first screw to mount the first mounting plate 81 on the second mounting plate 82.

The second mounting plate 82 is provided with a second bar-shaped hole 821 along the extending direction of the second mounting plate 82, and the second mounting plate 82 is mounted on the lifting member 42 by a second screw passing through the second bar-shaped hole 821 and screwing into the second screw hole.

The above examples are only for illustrating the technical solutions of the present invention, and are not limited thereto. Although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: modifications of the technical solutions described in the embodiments or equivalent replacements of some technical features may still be made. Such modifications and substitutions do not substantially depart from the spirit and scope of the embodiments of the present invention, and are intended to be included within the scope of the present invention.