阅读说明：本技术 一种直联悬臂式自换卷收放卷装置 (Directly ally oneself with cantilever type from trading roll-up unwinding device ) 是由 郭春雷 吴明雄 于 2019-11-08 设计创作，主要内容包括：本发明公开了一种直联悬臂式自换卷收放卷装置,包括一转盘,转盘第一侧面对称设有两放卷主轴,转盘第二侧面设有与两放卷主轴连接的伺服电机；转盘第二侧面中心同轴连接一旋转主轴,旋转主轴另一端与一旋转驱动机构连接；转盘和旋转驱动机构之间还增设一轴承座,旋转主轴穿设于轴承座,轴承座上对称安装两用于支撑转盘的圆锥滚子轴承,两圆锥滚子轴承与转盘侧面滑动抵接；还包括用于将物料切断的切料组件和压料组件；本发明技术方案改善现有收放卷装置的传动方式,简化结构设计,方便安装和维护,提高收放卷精度。(The invention discloses a direct-connection cantilever type self-changing winding and unwinding device, which comprises a rotary table, wherein two unwinding main shafts are symmetrically arranged on the first side surface of the rotary table, and a servo motor connected with the two unwinding main shafts is arranged on the second side surface of the rotary table; the center of the second side surface of the turntable is coaxially connected with a rotating main shaft, and the other end of the rotating main shaft is connected with a rotating driving mechanism; a bearing seat is additionally arranged between the rotary table and the rotary driving mechanism, the rotary main shaft penetrates through the bearing seat, two tapered roller bearings used for supporting the rotary table are symmetrically arranged on the bearing seat, and the two tapered roller bearings are in sliding butt joint with the side surface of the rotary table; the cutting device also comprises a cutting component and a pressing component which are used for cutting off the material; according to the technical scheme, the transmission mode of the conventional winding and unwinding device is improved, the structural design is simplified, the mounting and the maintenance are convenient, and the winding and unwinding precision is improved.)

1. A direct-connection cantilever type self-changing winding and unwinding device is characterized by comprising a rotary table, wherein two unwinding main shafts for mounting materials are symmetrically arranged on a first side surface of the rotary table, and a servo motor which is coaxially connected with the two unwinding main shafts respectively is arranged on a second side surface of the rotary table; the center of the second side surface of the turntable is coaxially connected with a rotating main shaft, and the other end of the rotating main shaft is connected with a driving end of a rotating driving mechanism; a bearing seat is additionally arranged between the turntable and the rotary driving mechanism, the rotary main shaft penetrates through the bearing seat, tapered roller bearings which are used for supporting the turntable are symmetrically arranged on the bearing seat, and the two tapered roller bearings are in sliding butt joint with the side surface of the turntable; the cutting device also comprises a cutting component and a pressing component which are used for cutting off the material;

the material pressing assembly comprises two groups of supporting rollers symmetrically arranged on the turntable, the number of any one group of supporting rollers is two, the material pressing assembly also comprises material pressing rollers which are respectively in one-to-one correspondence with the supporting rollers, and the material pressing rollers are arranged at the driving end of a rotary swing arm mechanism; the material cutting assembly is arranged above the rotary table and is arranged between the two material pressing rollers.

2. The direct-connection cantilever type self-changing winding and unwinding device as claimed in claim 1, wherein the rotary driving mechanism comprises a driving motor, a driving end of the driving motor is connected with a speed reducer, and a driving end of the speed reducer is coaxially connected with the rotary main shaft.

3. The direct-connected cantilever type self-changing winding and unwinding device according to claim 1, further comprising a mounting base, wherein the bearing seat is slidably mounted on the mounting base through a guide rail slider mechanism, and a linear driving cylinder is further disposed on the mounting base, and a driving end of the linear driving cylinder is connected with the bearing seat.

4. The direct-coupled cantilever type self-changing winding and unwinding device according to claim 3, further comprising a supporting assembly for supporting the unwinding spindle, wherein the supporting assembly comprises a second driving cylinder mounted on the mounting base, a supporting block is mounted at a driving end of the second driving cylinder, and an arc-shaped opening abutting against a side surface of an end portion of the unwinding spindle is formed in a surface of the supporting block.

5. The direct-connection cantilever type self-changing winding and unwinding device according to claim 1, wherein the rotating swing arm mechanism comprises a first driving cylinder, a driving end of the first driving cylinder is connected with an end portion of a first swing arm, the other end of the first swing arm is connected with an end portion of a rotating shaft, the other end of the rotating shaft is connected with an end portion of a second swing arm, and the nip roll is mounted at the other end of the second swing arm.

6. The direct-connected cantilever type self-changing winding and unwinding device of claim 1, wherein the cutting assembly comprises a cutting cylinder, and a cutting knife is installed at the driving end of the cutting cylinder.

Technical Field

The invention relates to the technical field of lithium battery pole piece winding and unwinding, in particular to a direct-connection cantilever type self-changing winding and unwinding device.

Background

In the production and processing process of the lithium battery, the whole pole piece needs to be discharged and cut off, so that the purpose is realized by means of the winding and unwinding device. The winding and unwinding main shaft of the existing winding and unwinding device usually adopts chain transmission, but the winding and unwinding speed is not uniform in a chain transmission mode, tension is difficult to control and hold, the chain transmission is easy to start and stop impact when acceleration and deceleration movement is carried out, meanwhile, the structural design is complex, the transmission is two-stage transmission, the assembly and maintenance are difficult, and the winding and unwinding precision is low.

Accordingly, the prior art is deficient and needs improvement.

Disclosure of Invention

The invention mainly aims to provide a direct-connection cantilever type self-changing winding and unwinding device, aiming at improving the transmission mode of the existing winding and unwinding device, simplifying the structural design, facilitating the installation and maintenance and improving the winding and unwinding precision.

In order to achieve the purpose, the direct-connection cantilever type self-changing winding and unwinding device provided by the invention comprises a rotary table, wherein two unwinding main shafts for mounting materials are symmetrically arranged on a first side surface of the rotary table, and a servo motor which is coaxially connected with the two unwinding main shafts respectively is arranged on a second side surface of the rotary table; the center of the second side surface of the turntable is coaxially connected with a rotating main shaft, and the other end of the rotating main shaft is connected with a driving end of a rotating driving mechanism; a bearing seat is additionally arranged between the turntable and the rotary driving mechanism, the rotary main shaft penetrates through the bearing seat, tapered roller bearings which are used for supporting the turntable are symmetrically arranged on the bearing seat, and the two tapered roller bearings are in sliding butt joint with the side surface of the turntable; the cutting device also comprises a cutting component and a pressing component which are used for cutting off the material; the material pressing assembly comprises two groups of supporting rollers symmetrically arranged on the turntable, the number of any one group of supporting rollers is two, the material pressing assembly also comprises material pressing rollers which are respectively in one-to-one correspondence with the supporting rollers, and the material pressing rollers are arranged at the driving end of a rotary swing arm mechanism; the material cutting assembly is arranged above the rotary table and is arranged between the two material pressing rollers.

Preferably, the rotary driving mechanism comprises a driving motor, a driving end of the driving motor is connected with a speed reducer, and a driving end of the speed reducer is coaxially connected with the rotary main shaft.

Preferably, the mounting device further comprises a mounting base, the bearing seat is slidably mounted on the mounting base through a guide rail slider mechanism, a linear driving cylinder is further arranged on the mounting base, and a driving end of the linear driving cylinder is connected with the bearing seat.

Preferably, the unreeling device further comprises a supporting assembly for supporting the unreeling main shaft, the supporting assembly comprises a second driving cylinder installed on the installation base, a supporting block is installed at the driving end of the second driving cylinder, and an arc-shaped opening abutted to the side face of the end portion of the unreeling main shaft is formed in the surface of the supporting block.

Preferably, the rotating swing arm mechanism comprises a first driving cylinder, a driving end of the first driving cylinder is connected with an end portion of a first swing arm, the other end of the first swing arm is connected with an end portion of a rotating shaft, the other end of the rotating shaft is connected with an end portion of a second swing arm, and the nip roll is mounted at the other end of the second swing arm.

Preferably, the blanking assembly comprises a blanking cylinder, and a blanking knife is mounted at the driving end of the blanking cylinder.

Compared with the prior art, the invention has the beneficial effects that: the direct-coupled driving mechanism of the servo motor is adopted to replace a traditional chain transmission mechanism, the stability and the precision of the whole operation process are improved, meanwhile, the turntable is supported by the two tapered roller bearings, the supporting mode is simplified, the coil stock loading and unloading are facilitated, the diameter of the turntable is reduced, and the operation rigidity of the turntable is improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

FIG. 1 is a schematic structural view of a winding and unwinding device according to the present invention;

FIG. 2 is a schematic structural view of the winding and unwinding device in another direction according to the present invention;

FIG. 3 is a schematic structural view of a rotary swing arm mechanism of the present invention;

the implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.

Detailed Description

Referring to fig. 1 and 2, the direct-connection cantilever type self-changing furling and unreeling device provided in this embodiment includes a turntable 1, two unreeling main shafts 2 for mounting materials are symmetrically arranged on a first side surface of the turntable 1, and a servo motor 3 coaxially connected with the two unreeling main shafts 2 is arranged on a second side surface of the turntable 1; the center of the second side surface of the turntable 1 is coaxially connected with a rotating main shaft 4, and the other end of the rotating main shaft 4 is connected with the driving end of a rotating driving mechanism 5; a bearing seat 6 is additionally arranged between the turntable 1 and the rotary driving mechanism 5, the rotary main shaft 4 penetrates through the bearing seat 6, tapered roller bearings 7 which are used for supporting the turntable 1 are symmetrically arranged on the bearing seat 6, and the two tapered roller bearings 7 are in sliding abutting joint with the side surface of the turntable 1; the cutting device also comprises a cutting component and a pressing component which are used for cutting off the material; the material pressing assembly comprises two groups of supporting rollers 91 symmetrically arranged on the turntable 1, wherein the number of any one group of supporting rollers 91 is two, the material pressing assembly also comprises material pressing rollers 92 which are respectively in one-to-one correspondence with the supporting rollers 91, and the material pressing rollers 92 are arranged at the driving end of a rotary swing arm mechanism 93; the blanking assembly is arranged above the turntable 1, and the blanking assembly is arranged between the two material pressing rollers 92. The material cutting assembly comprises a material cutting air cylinder 81, and a material cutting knife 82 is installed at the driving end of the material cutting air cylinder 81.

It should be noted that a line connecting two of the turntables 1 and a line connecting two of the supporting rollers 91 pass through the centers of the turntables 1 and are perpendicular to each other. The material pressing and cutting operation is convenient. Set up two sets of main shafts 2 that unreel, after one of them material that unreels on the main shaft 2 used up, can drive carousel 1 and rotate, change two positions that unreel main shaft 2 to accomplish the reloading voluntarily, need not to shut down the reloading, improved work efficiency. Two unreel main shaft 2 and 3 drive ends of servo motor and directly link, improved rotatory stability and precision, avoided traditional chain drive's defect. The turntable 1 is supported by the two tapered roller bearings 7, so that the supporting mode is simplified, the coil stock is convenient to load and unload, the diameter of the turntable 1 is reduced, and the running rigidity of the turntable 1 is improved.

Further, the rotation driving mechanism 5 includes a driving motor 51, a driving end of the driving motor 51 is connected to a speed reducer 52, and a driving end of the speed reducer 52 is coaxially connected to the rotation main shaft 4, so as to further improve the stability of rotation of the turntable 1, thereby ensuring the stability of operation of the whole device.

Further, still include an installation base 10, bearing frame 6 through rail slider mechanism 11 slidable mounting in on the installation base 10, just still be equipped with a straight line on the installation base 10 and drive cylinder 12, the drive end that the straight line drove cylinder 12 with bearing frame 6 is connected, and bearing frame 6 can slide along installation base 10 under linear drive mechanism's drive effect through the direction of rail slider structure, makes things convenient for the assembly and the debugging of structure.

Further, still include one and be used for supporting unreel the supporting component of main shaft 2, the supporting component include one install in second on the mounting base 10 drives actuating cylinder 131, the drive end installation supporting block 132 that the second drove actuating cylinder 131, supporting block 132 surface set up with unreel the arc opening of 2 tip side butts of main shaft, second drive actuating cylinder 131 can drive supporting block 132 and stretch out, make it with unreel 2 tip butts of main shaft, guarantee to unreel main shaft 2 and unreel the in-process atress balance, the operation is more stable.

Further, referring to fig. 3, the rotating swing arm mechanism 93 includes a first driving cylinder 931, a driving end of the first driving cylinder 931 is connected to an end of a first swing arm 932, the other end of the first swing arm 932 is connected to an end of a rotating shaft 933, the other end of the rotating shaft 933 is connected to an end of a second swing arm 934, and the other end of the second swing arm 934 is mounted with the nip roll 92. First driving cylinder 931 swings through controlling first swing arm 932 to drive pivot 933 reciprocating rotation, second swing arm 934 connected with pivot 933 swings under the reciprocating rotation effect of pivot 933, thereby drives nip roll 92 reciprocating swing, realizes compressing tightly between nip roll 92 and backing roll 91 and opens, thereby realizes compressing tightly and loosening the material, makes things convenient for the blank of cutter.

The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.