CN220537090U

CN220537090U - Unreeling device

Info

Publication number: CN220537090U
Application number: CN202321788601.4U
Authority: CN
Inventors: 付博昂; 孟瑞锋
Original assignee: Nakonor Intelligent Equipment Shenzhen Co ltd
Current assignee: Nakonor Intelligent Equipment Shenzhen Co ltd
Priority date: 2023-07-07
Filing date: 2023-07-07
Publication date: 2024-02-27
Anticipated expiration: 2033-07-07

Abstract

The utility model discloses an unreeling device which comprises a mounting frame, wherein an unreeling mechanism, a plurality of guide rollers, a detection assembly and a deviation correcting mechanism are arranged on the mounting frame, the unreeling mechanism comprises an unreeling shaft and an unreeling driving mechanism for driving the unreeling shaft to rotate, the guide rollers are used for guiding the trend of a base material, the detection assembly is arranged on one side of a base material travelling belt and is used for detecting whether the base material deviates, the deviation correcting mechanism is a linear movement module which is arranged in parallel with the unreeling shaft, the unreeling mechanism is arranged on the linear movement module and can slide along the linear movement module, when the detection assembly detects that the base material deviates from a preset direction, the deviation correcting effect on the base material is realized by adjusting the position of the unreeling mechanism on the linear movement module, the unreeling device can ensure the stability of the base material travelling belt, and reduce the defective rate of battery production.

Description

Unreeling device

Technical Field

The utility model relates to the technical field of lithium battery manufacturing equipment, in particular to an unreeling device.

Background

At present, the domestic and foreign lithium battery industry has good development prospect, and the lithium battery is widely applied to the electric vehicle industry, particularly the appearance of the lithium iron phosphate base material battery, and the development and the application of the lithium battery industry are promoted.

In the production manufacturing process of lithium batteries, a plurality of working procedures relate to winding and unwinding mechanisms, particularly in the lithium supplementing working procedure of lithium ion electrode plates, the lithium supplementing process of the lithium ion electrode plates is a key technology for improving the capacity of the lithium ion batteries, whether the feeding of a base material is stable or not directly determines the effect of lithium supplementing, and if the feeding of the base material is deviated, the thickness of the lithium supplementing is inconsistent, so that the production quality of subsequent batteries is affected.

Disclosure of Invention

In order to overcome the defects in the prior art, the utility model provides the unreeling device, which can ensure that a base material is stably transported, and reduce the reject ratio of battery production.

The technical scheme adopted for solving the technical problems is as follows:

the utility model provides an unreeling device, includes the mounting bracket, be equipped with unreeling mechanism, a plurality of guide roll, detection component and correction mechanism on the mounting bracket, unreel mechanism includes unreel the spool and is used for driving unreel spool pivoted unreel actuating mechanism, the guide roll is used for guiding the substrate trend, detection component locates one side of substrate deck for detect whether the substrate takes place the skew, correction mechanism is with unreel spool parallel arrangement's rectilinear movement module, unreel mechanism locates on the rectilinear movement module and can follow rectilinear movement module slides, when detection component detects the substrate skew and predetermine the direction, adjusts unreel mechanism and realizes the effect of rectifying to the substrate in the position of rectilinear movement module.

Further, the mounting frame is further provided with a tension roller assembly, the tension roller assembly comprises a tension detection sensor and a tension roller, and the tension roller assembly is arranged between the unreeling mechanism and the detection assembly and used for detecting the tension of the base material.

Further, the mounting frame is further provided with a coding roller assembly, the coding roller assembly comprises a coding roller and a coder arranged at one end of the coding roller, and the coding roller assembly is arranged in the tape moving direction of the tension roller assembly.

Further, the pinch roll assembly is further arranged on the mounting frame and comprises a pinch roll and a second driving device, the pinch roll is arranged in parallel with the coding roll, the second driving device is arranged on one side, far away from the coding roll, of the pinch roll, and the distance between the pinch roll and the coding roll is adjusted through the second driving device.

Further, a third driving device is arranged at the end part of the pinch roll, and the pinch roll is driven to rotate by the third driving device and is used for providing power for conveying the base material.

Further, a follower plate is arranged on the mounting frame, and the tension roller assembly, the coding roller assembly and the pinch roller assembly are all arranged on the follower plate.

Further, the bottom of follow-up board is connected with linear guide, linear guide is connected with the backup pad, the backup pad is connected in unreeling mechanism.

Further, the detection assembly comprises a correction support plate connected to the mounting frame, a sensor support and a sensor arranged on the sensor support, a screw rod assembly is arranged on the correction support plate, and the sensor support is arranged on the screw rod assembly.

Further, a graduated scale is arranged on the side face of the deviation correcting support plate and used for observing the position of the sensor support.

Further, the roll is arranged at the tail of the substrate tape, the roll comprises a first roll and a second roll, the substrate passes through the gap between the first roll and the second roll, and the rotation directions of the first roll and the second roll are opposite, so that the substrate is rolled.

The beneficial effects of the utility model are as follows:

the utility model provides an unreeling device, which is provided with a deviation correcting mechanism and a detection assembly, and can detect whether the running tape of a base material is normal or not in real time, if so, the deviation correcting work is carried out when the running tape of the base material deviates from the preset direction.

Drawings

The utility model will be further described with reference to the drawings and examples.

FIG. 1 is a schematic illustration of a substrate feed in operation of the present utility model;

FIG. 2 is a schematic view of the overall assembly of the present utility model;

FIG. 3 is a schematic view of an unwind mechanism of the present utility model;

FIG. 4 is a schematic view of a tension roller assembly of the present utility model;

FIG. 5 is a schematic view of a encoder roller assembly of the present utility model;

FIG. 6 is a schematic view of a pinch roll assembly of the present utility model;

FIG. 7 is a schematic view of a follower plate in accordance with the present utility model;

FIG. 8 is a schematic diagram of a detection assembly in accordance with the present utility model.

Detailed Description

The conception, specific structure, and technical effects produced by the present utility model will be clearly and completely described below with reference to the embodiments and the drawings to fully understand the objects, features, and effects of the present utility model. It is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments, and that other embodiments obtained by those skilled in the art without inventive effort are within the scope of the present utility model based on the embodiments of the present utility model. In addition, all the coupling/connection relationships referred to in the patent are not direct connection of the single-finger members, but rather, it means that a better coupling structure can be formed by adding or subtracting coupling aids depending on the specific implementation. The technical features in the utility model can be interactively combined on the premise of no contradiction and conflict.

Referring to fig. 1 to 8, the present utility model provides an unreeling device, which is applied to the field of battery manufacturing and is used for unreeling a substrate.

Referring to fig. 1 and 2, the unreeling device of the utility model comprises a mounting frame 10, wherein an unreeling mechanism 1, a plurality of guide rollers 3, a tension roller assembly 4, a coding roller assembly 5, a pinch roller assembly 6 and a roller assembly are sequentially arranged on the mounting frame 10 along the travelling direction of a base material 2, an arrow shows the transportation direction of the base material 2, a deviation rectifying mechanism and a detecting mechanism are further arranged on the mounting frame 10, and the detecting assembly is arranged on one side of the travelling direction of the base material and is used for detecting whether the base material is deviated. When the detection assembly detects that the base material deviates from the preset direction, the position of the unreeling mechanism on the linear movement module is adjusted to realize the deviation correcting function on the base material 2

As shown in fig. 2 and 3, the unreeling mechanism 1 comprises an unreeling shaft 11 and an unreeling driving mechanism 12 for driving the unreeling shaft to rotate, wherein the unreeling shaft 11 is connected with a guide roller 15 through a connecting plate 18, and the trend of the base material is pulled through the guide roller 15.

The deviation correcting mechanism is a linear movement module which is arranged in parallel with the unreeling shaft 11, and the unreeling mechanism 1 is arranged on the linear movement module and can slide along the linear movement module. Specifically, the linear movement module includes a first guide rail 130, a first slider 13 disposed on the first guide rail 130, and a first driving device 14 for driving the first slider 13 to slide along the first guide rail 130. The bottom of the unreeling mechanism 1 is provided with a deviation rectifying movable plate 17, and the deviation rectifying movable plate 17 is connected with the first sliding block 13. The first slider 13 slides on the first guide rail 130 and drives the unreeling mechanism 1 to move together under the drive of the first driving device 14. In actual work, a linear guide rail can be arranged on the deviation rectifying movable plate to increase the stability and smoothness of the movement of the deviation rectifying movable plate 17.

Referring to fig. 4, the tension roller assembly 4 includes a tension detecting sensor 42 and a tension roller 43, and the tension roller assembly 4 is disposed between the unreeling mechanism 1 and the detecting assembly, for detecting the tension of the substrate 2. The two ends of the tension roller 43 are connected to the mounting frame 10 through the tension roller fixing seat 41.

Referring to fig. 5, 6 and 8, the mounting frame 10 is provided with a follower plate 91, and the tension roller assembly 4, the encoder roller assembly 5 and the pinch roller assembly 6 are all disposed on the follower plate 91. The bottom of the follower plate 91 is connected with a linear guide 93, the linear guide 93 is connected with a support plate 92, and the support plate 92 is connected to the connection plate 18 in the unreeling mechanism.

The coding roller assembly 5 comprises a coding roller 51 and a coder 55 arranged at one end of the coding roller 51, coding roller mounting seats 52 are arranged at two ends of the coding roller 51 and are connected to the mounting frame 10 through the coding roller mounting seats 52, and the coding roller assembly 5 is arranged in the tape feeding direction of the tension roller assembly 4. The pinch roll assembly 6 comprises a pinch roll 61 and a second driving device 69, the pinch roll 61 is arranged adjacent to the coding roll 51, the second driving device 69 is arranged on one side of the pinch roll 61 away from the coding roll 51, and the distance between the pinch roll 61 and the coding roll 51 is adjusted through the second driving device 69. Specifically, pinch roll mounting bases 63 are disposed at two ends of the pinch roll, a linear guide rail 66 perpendicular to the encoding roll is disposed at the bottom of the pinch roll mounting bases, and the pinch roll assembly can be close to or far from the encoding roll 51 along the linear guide rail 66 under the drive of a second driving device 69.

The end of the pinch roll 61 is provided with a third driving device 65, and the pinch roll 61 is driven to rotate by the third driving device 65 to supply power for conveying the base material 2.

Referring to fig. 7, the detecting assembly includes a deviation rectifying support plate 87 connected to the mounting frame 10, a sensor support 88, and a sensor 81 disposed on the sensor support 88, the deviation rectifying support plate 87 is provided with a screw assembly 83, and the sensor support 88 is disposed on the screw assembly 83. The side of the correction support plate is provided with a graduated scale 85 for observing the position of the sensor bracket 88. An adjusting hand wheel 84 may be provided at the end of the screw assembly 83, and the position of the sensor bracket 88 may be adjusted by the adjusting hand wheel 84.

Referring to fig. 1, the roll assembly is further comprised of a roll assembly disposed at the end of the substrate 2, the roll assembly comprising a first roll 7 and a second roll 8, the substrate 2 passing between the first roll 7 and the second roll 8, the first roll 7 being rotated in the opposite direction to the second roll 8 for rolling the substrate. The first roll 7 may be set as a fast roll and the second roll 8 as a slow roll.

The specific working contents are as follows:

the substrate roll is placed on the unreeling shaft 11 of the unreeling mechanism 1, and the unreeling shaft 11 is driven to rotate by the unreeling driving mechanism 12, so that the unreeling work of the substrate 2 is realized. The substrate 2 passes through the guide roller assembly 15 and then reaches the tension roller assembly 4, and tension of the substrate 2 is detected by the tension sensor 42. The substrate 2 passes through the tension roller assembly 4 and then reaches between the coding roller assembly 5 and the pinch roller assembly 6, the pinch roller assembly 6 compresses the substrate 2 between the pinch roller 61 and the coding roller 51 under the control of the second driving device 69 to flatten, wrinkling of the substrate 2 is prevented, real-time speed detection is carried out on the substrate 2 by the coding roller assembly 5, and the third driving device 65 rotates to drive the pinch roller 61 to rotate and further transport the substrate 2 downwards. The substrate 2 is through detecting the subassembly department, detects by sensor 81 that substrate 2's tape carrier takes place to deviate, when detecting substrate 2 and walk the off-set, sends signal control and rectifies mechanism and drive unreeling mechanism 1 and remove, further drives the subassembly synchronous motion on the follower 91, realizes the axial adjustment to unreeling spool 11 and substrate 2, plays the effect of rectifying. Finally, the base material 2 reaches the nip roller under the guidance of the guide roller 3 and is subjected to rolling.

While the preferred embodiment of the present utility model has been described in detail, the present utility model is not limited to the embodiments, and those skilled in the art can make various equivalent modifications or substitutions without departing from the spirit of the present utility model, and these equivalent modifications or substitutions are included in the scope of the present utility model as defined in the appended claims.

Claims

1. The utility model provides an unreeling device, its characterized in that, includes the mounting bracket, be equipped with unreeling mechanism, a plurality of guide roll, detection component and correction mechanism on the mounting bracket, unreel the mechanism and include unreel the spool and be used for driving unreel spool pivoted unreel actuating mechanism, the guide roll is used for guiding the substrate trend, detection component locates one side of substrate deck for detect whether the substrate takes place the skew, correction mechanism is with unreel spool parallel arrangement's rectilinear movement module, unreel the mechanism locate on the rectilinear movement module and can follow rectilinear movement module slides, when detection component detects the substrate skew and predetermine the direction, adjusts unreel the mechanism and realize the effect of rectifying to the substrate in the position on the rectilinear movement module.

2. An unwinder as claimed in claim 1, wherein the mounting frame is further provided with a tension roller assembly comprising a tension detection sensor and a tension roller, the tension roller assembly being arranged between the unwinder and the detection assembly for detecting the tension of the substrate.

3. The unreeling device of claim 2, wherein the mounting frame is further provided with a coding roller assembly, the coding roller assembly comprises a coding roller and a coder arranged at one end of the coding roller, and the coding roller assembly is arranged in the tape running direction of the tension roller assembly.

4. An unreeling device according to claim 3, wherein the mounting frame is further provided with a pinch roll assembly, the pinch roll assembly comprises a pinch roll and a second driving device, the pinch roll is arranged adjacent to the coding roll, the second driving device is arranged on one side of the pinch roll far away from the coding roll, and the distance between the pinch roll and the coding roll is adjusted by the second driving device.

5. An unwind apparatus as claimed in claim 4, wherein the end of the pinch roller is provided with third drive means by which the pinch roller is rotated for powering the transport of the substrate.

6. The unreeling device of claim 4, wherein the mounting frame is provided with a follower plate, and the tension roller assembly, the encoding roller assembly and the pinch roller assembly are all arranged on the follower plate.

7. An unreeling device according to claim 6, wherein the bottom of the follower plate is connected with a linear guide, the linear guide is connected with a support plate, and the support plate is connected with an unreeling mechanism.

8. The unreeling device of claim 1, wherein the detecting component comprises a deviation rectifying support plate connected to the mounting frame, a sensor support and a sensor arranged on the sensor support, a screw rod component is arranged on the deviation rectifying support plate, and the sensor support is arranged on the screw rod component.

9. An unwinder as claimed in claim 8, characterized in that the side of the deviation correcting support plate is provided with a scale for observing the position of the sensor holder.

10. An unwind apparatus as claimed in claim 1, further comprising rollers disposed at the end of the web travel, said rollers comprising a first roller and a second roller, the web passing between the first roller and the second roller, the first roller being counter-rotating to the second roller for rolling the web.