阅读说明：本技术 一种锂离子电池连续对辊生产线 (Continuous pair roller production line for lithium ion batteries ) 是由 罗开和 谢秀花 于 2020-05-09 设计创作，主要内容包括：本发明公开了一种锂离子电池连续对辊生产线,包括放卷机构、辊压机构和收卷机构,其特征在于：所述辊压机构包括安全罩,所述安全罩的内部上下固定有两组主轴电机,所述主轴电机的输出端固定有万向联轴器,所述安全罩的一侧固定有龙门架,所述龙门架上下均安装有轧辊,所述轧辊的两端通过安装在所述龙门架上的定位轴承转动连接在所述龙门架上,所述轧辊的一端与所述联轴器的一端固定连接,所述定位轴承上安装有可消除轴承游隙的轴承座,通过所述轴承座固定在所述龙门架上,此锂离子电池连续对辊生产线,通过设置放卷机构、辊压机构和收卷机构,不仅能够增加工作效率,而且能够控制生产出来的极片卷厚度相同,不会出现角度上的偏差。(The invention discloses a continuous pair-roller production line of lithium ion batteries, which comprises an unreeling mechanism, a rolling mechanism and a reeling mechanism, and is characterized in that: the rolling mechanism comprises a safety cover, two groups of spindle motors are fixed in the safety cover from top to bottom, universal couplings are fixed at output ends of the spindle motors, a portal frame is fixed on one side of the safety cover, rollers are installed on the portal frame from top to bottom, two ends of each roller are rotatably connected to the portal frame through positioning bearings installed on the portal frame, one end of each roller is fixedly connected with one end of each coupling, a bearing seat capable of eliminating bearing play is installed on each positioning bearing, the bearing seats are fixed on the portal frame, the lithium ion battery continuous double-roller production line can not only increase working efficiency, but also control the thickness of a pole piece roll to be the same, and deviation of angles can not occur.)

1. The utility model provides a continuous pair roller production line of lithium ion battery, includes unwinding mechanism, rolling mechanism and winding mechanism, its characterized in that: the rolling mechanism comprises a safety cover, two groups of spindle motors are fixed in the safety cover up and down, and a universal coupling is fixed at the output end of each spindle motor;

a portal frame is fixed on one side of the safety cover, rollers are mounted on the upper portion and the lower portion of the portal frame, two ends of each roller are rotatably connected to the portal frame through a positioning bearing mounted on the portal frame, one end of each roller is fixedly connected with one end of the coupler, a bearing seat capable of eliminating bearing play is mounted on each positioning bearing and fixed on the portal frame through the bearing seat, and a positioning bearing cover is mounted on one side of each positioning bearing;

a positioning plate for positioning the roller is arranged on the portal frame, two groups of guide rails are arranged below the roller at the bottom of the positioning plate and fixed on the portal frame, a bearing pulley is arranged below the roller and slides on the guide rails, and a hydraulic cylinder is arranged between the two groups of guide rails;

and tensioning wheels for guiding the pole pieces are installed on two sides of the portal frame.

2. The continuous pair-roller production line of the lithium ion battery as claimed in claim 1, characterized in that: and tensioning wheels for guiding the pole pieces are installed on two sides of the portal frame.

3. The continuous pair-roller production line of the lithium ion battery as claimed in claim 2, characterized in that: and a base for supporting the portal frame is fixed at the bottom of the portal frame.

4. The continuous pair-roller production line of the lithium ion battery as claimed in claim 1, characterized in that: the unwinding mechanism comprises an unwinding main frame, a sheet pressing mechanism, an adjusting mechanism for adjusting the tightness of a pole piece and a deviation correcting mechanism, wherein a large vertical plate is arranged on the unwinding main frame, a plurality of precise pulleys are arranged on the large vertical plate, the deviation correcting mechanism comprises a deviation correcting frame, a deviation correcting motor and four deviation correcting ball screw pairs, the four deviation correcting ball screw pairs are arranged on the unwinding main frame, the deviation correcting frame is arranged on the unwinding main frame through the deviation correcting ball screw pairs, a small vertical plate is fixedly arranged at the top of the deviation correcting frame, a bedplate is arranged on the small vertical plate, a sheet pressing cylinder and a photoelectric sensor are arranged on the bedplate, the sheet pressing cylinder is fixed through an upper pressing plate arranged on the bedplate, and the output end of the photoelectric sensor is connected with a controller of the deviation correcting motor;

the winding main frame is characterized in that an air expansion shaft is installed at one end of the top of the correction frame, an air expansion shaft lower clamping plate and an air expansion shaft lower clamping plate are further fixed on the correction frame, the air expansion shaft is located between the air expansion shaft and the correction frame, one end of the air expansion shaft is connected with a magnetic powder brake, and the output end of the magnetic powder brake is connected with a hollow straight shaft motor installed on the winding main frame.

5. The continuous pair-roller production line of the lithium ion battery as claimed in claim 4, wherein: the tabletting mechanism comprises an upper cutter cylinder fixing plate and a cutter cylinder, the upper cutter cylinder fixing plate is arranged on the large vertical plate, the cutter cylinder is arranged on the upper cutter cylinder fixing plate, and the lower cutter is arranged on the lower cutter rotating shaft.

6. The continuous pair-roller production line of the lithium ion battery as claimed in claim 5, characterized in that: the adjusting mechanism comprises a pulley adjusting plate and a pressure controller, the pulley adjusting plate is mounted on the unreeling main frame, the pressure controller is mounted on the large vertical plate, a set of precise pulleys are rotatably mounted on the pulley adjusting plate, and the output end of the pressure controller is electrically connected with the controller of the hollow straight shaft motor.

7. The continuous pair-roller production line of the lithium ion battery as claimed in claim 6, characterized in that: the magnetic powder brake is connected with the air inflation shaft through the coupler.

8. The continuous pair-roller production line of the lithium ion battery as claimed in claim 7, characterized in that: the magnetic powder brake is connected with the magnetic powder controller, and the magnetic powder controller is electrically connected with the pressure controller.

9. The continuous pair-roller production line of the lithium ion battery as claimed in claim 8, wherein: and a plurality of groups of foot cups for supporting are arranged at the bottom of the unreeling main frame.

Technical Field

The invention relates to the technical field, in particular to a continuous pair-roller production line for lithium ion batteries.

Background

The lithium ion battery has the advantages of high voltage, high specific energy, more recycling times, long storage time and the like, is widely applied to portable electronic equipment such as mobile phones, digital cameras and portable computers, and is also widely applied to large and medium-sized electric equipment such as electric automobiles, electric bicycles, electric tools and the like, so that the performance requirement on the lithium ion battery is higher and higher. The lithium ion battery pole piece is used as an important component of the lithium ion battery, and the thickness and the surface density of the lithium ion battery pole piece directly influence the energy density and the charge-discharge performance of the lithium ion battery. In the production process of the lithium ion battery pole piece, in order to ensure that the lithium ion battery pole piece has certain thickness and surface density, the lithium ion battery pole piece is rolled by a roll-to-roll machine.

The existing method for producing the pole piece roll of the lithium battery is complex, and the deviation of thickness and angle is easy to occur in the production process, so that a continuous pair-roller production line of the lithium battery is provided.

Disclosure of Invention

The invention aims to provide a continuous pair-roller production line of lithium ion batteries, which aims to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a continuous pair roller production line of lithium ion battery, includes unwinding mechanism, rolling mechanism and winding mechanism, its characterized in that: the rolling mechanism comprises a safety cover, two groups of spindle motors are fixed in the safety cover from top to bottom, a universal coupling is fixed at the output end of each spindle motor, a portal frame is fixed on one side of the safety cover, rollers are installed on the portal frame from top to bottom, two ends of each roller are rotatably connected to the portal frame through positioning bearings installed on the portal frame, one end of each roller is fixedly connected with one end of the corresponding coupling, bearing seats capable of eliminating bearing clearances are installed on the positioning bearings, the bearing seats are fixed on the portal frame through the bearing seats, a positioning bearing cover is installed on one side of each positioning bearing, a positioning plate for positioning the rollers is installed on the portal frame, the bottom of the positioning plate is provided with two groups of guide rails, the guide rails are fixed on the portal frame, and bearing pulleys are installed below the rollers, the bearing pulleys slide on the guide rails, a hydraulic cylinder is arranged between the two groups of guide rails, and tensioning wheels for guiding the pole pieces are installed on two sides of the portal frame.

Preferably, tensioning wheels for guiding the pole pieces are installed on two sides of the portal frame.

Preferably, a base for supporting the portal frame is fixed at the bottom of the portal frame.

Preferably, the unwinding mechanism comprises an unwinding main frame, a sheet pressing mechanism, an adjusting mechanism for adjusting the tightness of a pole piece and a deviation correcting mechanism, wherein a large vertical plate is mounted on the unwinding main frame, a plurality of precise pulleys are mounted on the large vertical plate, the deviation correcting mechanism comprises a deviation correcting frame, a deviation correcting motor and four deviation correcting ball screw pairs, the four deviation correcting ball screw pairs are mounted on the unwinding main frame, the deviation correcting frame is mounted on the unwinding main frame through the deviation correcting ball screw pairs, a small vertical plate is fixedly mounted at the top of the deviation correcting frame, a bedplate is mounted on the small vertical plate, a sheet pressing cylinder and a photoelectric sensor are mounted on the bedplate, the sheet pressing cylinder is fixed through an upper pressing plate arranged on the bedplate, and the output end of the photoelectric sensor is connected with a controller of the deviation correcting motor;

the winding main frame is characterized in that an air expansion shaft is installed at one end of the top of the correction frame, an air expansion shaft lower clamping plate and an air expansion shaft lower clamping plate are further fixed on the correction frame, the air expansion shaft is located between the air expansion shaft and the correction frame, one end of the air expansion shaft is connected with a magnetic powder brake, and the output end of the magnetic powder brake is connected with a hollow straight shaft motor installed on the winding main frame.

Preferably, the tabletting mechanism comprises an upper cutter cylinder fixing plate arranged on the large vertical plate and a cutter cylinder arranged on the upper cutter cylinder fixing plate, and the lower cutter is arranged on the lower cutter rotating shaft;

preferably, the adjusting mechanism comprises a pulley adjusting plate arranged on the unreeling main frame and a pressure controller arranged on the large vertical plate, a set of precise pulleys are rotatably arranged on the pulley adjusting plate, and the output end of the pressure controller is electrically connected with the controller of the hollow straight-shaft motor.

Preferably, the magnetic powder brake is connected with the air inflation shaft through the coupler.

Preferably, the magnetic powder brake is connected with a magnetic powder controller, and the magnetic powder controller is electrically connected with the pressure controller.

Preferably, a plurality of groups of foot cups for supporting are installed at the bottom of the unreeling main frame.

Compared with the prior art, the invention has the beneficial effects that:

by arranging the unwinding mechanism, the rolling mechanism and the winding mechanism, the invention not only can increase the working efficiency, but also can control the thickness of the produced pole piece coil to be the same, and the deviation on the angle can not occur.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic side view of the rolling mechanism of the present invention;

FIG. 3 is a schematic front view of the rolling mechanism of the present invention;

FIG. 4 is a schematic view of a front view of an unwinding mechanism of the present invention;

FIG. 5 is a schematic diagram of a side view of the unwinding mechanism of the present invention;

FIG. 6 is a schematic top view of the unwinding mechanism of the present invention;

FIG. 7 is a schematic view of a front view of an unwinding mechanism according to the present invention;

FIG. 8 is a schematic top view of the unwinding mechanism of the present invention;

fig. 9 is a schematic side view of the unwinding mechanism of the present invention.

In the figure: a1-positioning bearing seat; a 2-locating bearings; a 3-positioning the bearing cap; a4-bearing seat; a5-roller; a6-gantry; a7-hydraulic cylinder; a8-bearing pulley; a9-guide rail; a 10-base; a11-positioning plate; a12-tension wheel; a 13-universal joint; a14-spindle motor; a15-safety cover; a16-unwinding mechanism; a17-rolling mechanism; a18-a winding mechanism; b1-unwinding the main frame; b2-deviation rectifying frame; b3-physiosis shaft; b4-magnetic powder controller; b5-precision pulley; b6-physiosis axle bearing seat; b7-hollow straight shaft motor; b8-upper cutter fixing plate; b9-inflatable shaft lower splint; b10-inflatable shaft upper clamping plate; b11-handle; b12-platen; b13-upper platen; b14-tabletting air cylinder; b15-magnetic powder brake fixing plate; b16-magnetic powder brake bedplate; b17-foot cup; b18-small vertical plate; b19-big vertical plate; b20-deep groove ball bearing; b21-pressure controller; b22-cutter cylinder; b23-lower cutter shaft; b24-lower cutter; b25-upper cutter linear guide rail pair; b26-deviation correcting ball screw pair; b27-pulley adjusting plate; b28-upper cutter cylinder fixing plate; b29-coupling; b30-photoelectric sensor; b31-pulley fixing plate; b32-upper cutter shaft fixing plate; b33-battery pole piece; b34-deviation correcting motor; c1-unwinding the main frame; c2-deviation rectifying frame; c3-balloon shaft; c4-magnetic powder controller; c5-precision pulleys; c6-physiosis axle bearing seat; c7-hollow straight axle winder; c8-magnetic powder brake; c9-coupling; C10-Upper clamping plate of inflatable shaft; c11-lower splint of inflatable shaft; c12-deviation correcting ball screw pair; c13-tension pulley ball screw pair; c14-pressure controller; c15-photoelectric sensor; c16-upper platen; c17-platen; c18-magnetic powder brake fixing plate; c19-web; c20-material pressing cylinder; c21-small vertical plate; c22-big vertical plate; c23-deviation rectification motor; c24-foot cup; c25-pole piece roll; c26-deep groove rolling bearing.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-6, the present invention provides a technical solution: a continuous pair roller production line of lithium ion batteries comprises an unreeling mechanism A16, a rolling mechanism A17 and a reeling mechanism A18, wherein the rolling mechanism A17 comprises a safety hood A15, two groups of spindle motors A14 are fixed in the safety hood A15 from top to bottom, the output end of the spindle motor A14 is fixed with a universal coupling A13, one side of a safety hood A15 is fixed with a portal frame, rollers A5 are installed on the portal frame from top to bottom, two ends of each roller A5 are connected to the portal frame in a rotating mode through a positioning bearing A2 installed on the portal frame, one end of each roller A5 is fixedly connected with one end of a coupling B29, a bearing seat A4 is installed on each positioning bearing A2, each bearing seat A4 is fixed on the portal frame, a positioning bearing cover A3 is installed on one side of each positioning bearing A2, a positioning plate A11 for positioning the rollers A5 is installed on the portal frame, the bottom of locating plate A11, the below of roll A5 is provided with two sets of guide rails, and the guide rail is fixed on the portal frame, the bearing pulley is installed to the below of roll A5, the bearing pulley slides on the guide rail, is provided with hydraulic cylinder between two sets of guide rails, the both sides of portal frame are installed and are used for carrying out the take-up pulley A12 that leads to the pole piece.

And a base for supporting the portal frame is fixed at the bottom of the portal frame.

The unwinding mechanism A16 comprises an unwinding main frame B1, a tabletting mechanism, an adjusting mechanism for adjusting the tightness of a pole piece and a deviation correcting mechanism, a large vertical plate B19 is arranged on the unreeling main frame B1, a plurality of precise pulleys B5 are arranged on the large vertical plate B19, the deviation correcting mechanism comprises a deviation correcting frame B2, a deviation correcting motor B34 and four groups of deviation correcting ball screw pairs B26, the four groups of deviation correcting ball screw pairs B26 are arranged on the unreeling main frame B1, the deviation rectifying frame B2 is arranged on the unwinding main frame B1 through the deviation rectifying ball screw pair B26, the top of the deviation rectifying frame B2 is fixedly provided with a small vertical plate B18, the small vertical plate B18 is provided with a bedplate B12, a tablet pressing cylinder B14 and a photoelectric sensor B30 are arranged on the bedplate B12, the tablet pressing cylinder B14 is fixed by an upper pressure plate B13 arranged on the bedplate B12, the output end of the photoelectric sensor B30 is connected with the controller of the deviation rectifying motor B34;

an air expansion shaft is installed at one end of the top of the deviation rectifying frame B2, an air expansion shaft lower clamping plate and an air expansion shaft lower clamping plate are further fixed on the deviation rectifying frame B2, the air expansion shaft is located between the air expansion shaft and the air expansion shaft, one end of the air expansion shaft is connected with a magnetic powder brake, and the output end of the magnetic powder brake is connected with a hollow straight shaft motor B7 installed on the winding main frame.

The tabletting mechanism comprises an upper cutter cylinder fixing plate B28 arranged on the large vertical plate B19 and a cutter cylinder B22 arranged on the upper cutter cylinder fixing plate B28, and the lower cutter B24 is arranged on a rotating shaft B23 of the lower cutter B24;

the adjusting mechanism comprises a pulley adjusting plate B27 arranged on the unreeling main frame B1 and a pressure controller B21 arranged on the large vertical plate B19, wherein a group of precise pulleys B5 are rotatably arranged on the pulley adjusting plate B27, and the output end of the pressure controller B21 is electrically connected with the controller of the hollow straight shaft motor B7.

The magnetic powder brake is connected with the air inflation shaft through the coupler B29.

The magnetic powder brake is connected with a magnetic powder controller B4, and the magnetic powder controller B4 is electrically connected with the pressure controller B21.

And a plurality of groups of foot cups B17 for supporting are arranged at the bottom of the unreeling main frame B1.