CN220611818U

CN220611818U - Straightening equipment

Info

Publication number: CN220611818U
Application number: CN202321879547.4U
Authority: CN
Inventors: 张治蒙; 蓝维嘉; 黄宏
Original assignee: Hymson Laser Technology Group Co Ltd
Current assignee: Hymson Laser Technology Group Co Ltd
Priority date: 2023-07-17
Filing date: 2023-07-17
Publication date: 2024-03-19
Anticipated expiration: 2033-07-17

Abstract

The utility model discloses straightening equipment which comprises an unreeling mechanism, a driving mechanism and a straightening mechanism, wherein the unreeling mechanism is used for unreeling the reel; the unreeling mechanism is used for installing the base material and releasing the base material in the anticlockwise direction or the clockwise direction, and the driving mechanism is used for driving the base material to move; the straightening mechanism is arranged between the unreeling mechanism and the driving mechanism, one end of the straightening mechanism is connected with the base material from the unreeling mechanism, the other end of the straightening mechanism conveys the base material to the driving mechanism, and the straightening mechanism is used for stretching and bending the base material so as to straighten the base material. Through the arrangement, the problem that the pole pieces with different curvatures cannot be straightened in the traditional mode is effectively solved.

Description

Straightening equipment

Technical Field

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

Background

Based on the development trend of lithium batteries, substrate straightening is a new process in the manufacturing process of lithium batteries. The traditional treatment method is generally realized by virtue of parallel rollers, and the pole piece with single curvature is subjected to tiny plastic deformation straightening by virtue of the pressing quantity of the parallel rollers.

However, this method is only suitable for pole pieces with a certain curvature, and due to the characteristics of the pole pieces of coiled materials, the pole pieces of coiled materials are sprung back after unreeling, and the pole pieces with different curvatures cannot be well straightened by means of the traditional straightening method, so that the problem of how to straighten the pole pieces with different curvatures in the manufacturing process of the lithium battery needs to be solved.

Disclosure of Invention

The utility model mainly provides straightening equipment for solving the problem that pole pieces with different curvatures cannot be straightened in a traditional mode.

In order to achieve the above object, the present utility model proposes a straightening apparatus comprising an unreeling mechanism, a driving mechanism, and a straightening mechanism; wherein,

the unreeling mechanism is used for installing the base material and releasing the base material in the anticlockwise direction or the clockwise direction, and the driving mechanism is used for driving the base material to move;

the straightening mechanism is arranged between the unreeling mechanism and the driving mechanism, one end of the straightening mechanism is connected with the base material from the unreeling mechanism, the other end of the straightening mechanism conveys the base material to the driving mechanism, and the straightening mechanism is used for stretching and bending the base material so as to straighten the base material.

In some embodiments of the utility model, the straightening mechanism comprises a base, a first guide roller assembly, a second guide roller assembly and a straightening assembly, wherein the first guide roller assembly, the second guide roller assembly and the straightening assembly are movably arranged on the base; wherein,

the first guide roller assembly is provided with a feeding channel for passing through the base material, the second guide roller assembly is provided with a discharging channel for passing through the base material, and the straightening assembly is provided with a straightening channel for passing through the base material;

the first guide roller assembly and the second guide roller assembly are respectively arranged on two sides of the straightening assembly, the straightening assembly is used for stretching and bending one side of the base material along the thickness direction of the base material, and the first guide roller assembly and the second guide roller assembly are both used for stretching and bending the other side of the base material along the thickness direction of the base material.

In some embodiments of the present utility model, the base has a conveying track and a straightening track that are disposed in a cross manner, the first guide roller assembly and the second guide roller assembly are disposed on two sides of the straightening track, respectively, and the first guide roller assembly and the second guide roller assembly also move toward or away from each other along the conveying track, and the straightening assembly moves along the straightening track.

In some embodiments of the utility model, the straightening assembly comprises a first straightening piece and a second straightening piece, wherein the first straightening piece and the second straightening piece are distributed at intervals along the extending direction of the straightening track, and the first straightening piece and the second straightening piece are matched together to form the straightening channel.

In some embodiments of the utility model, the straightening mechanism further comprises a straightening driving piece, wherein the straightening driving piece is in transmission fit with the straightening assembly, the straightening assembly is provided with a first straightening position for stretching and bending one side of the substrate along the thickness direction of the substrate, and is also provided with a second straightening position for stretching and bending the other side of the substrate along the thickness direction of the substrate;

the straightening drive is used for driving the straightening assembly to be switched from the first straightening position to the second straightening position or from the second straightening position to the first straightening position.

In some embodiments of the utility model, the straightening device further comprises an unreeling sensor and a control device, both of which are in communication connection with the control device; wherein,

the unreeling sensor is used for detecting the unreeling radius of the base material released by the unreeling mechanism and sending a first electric signal to the control device, and the control device is used for receiving the first electric signal and controlling the straightening driving piece according to the first electric signal so as to drive the straightening assembly to move along the straightening track.

In some embodiments of the utility model, the straightening arrangement further comprises a taping sensor and a control device, both of which are in communication with the control device; wherein,

the strip receiving sensor is arranged between the unreeling mechanism and the straightening mechanism and is used for detecting the release direction of the base material and sending a second electric signal to the control device, and the control device receives the second electric signal and controls the straightening driving piece according to the second electric signal so as to drive the straightening assembly to be switched from a first straightening position to a second straightening position or from the second straightening position to the first straightening position.

In some embodiments of the utility model, the straightening device further comprises an adjusting mechanism arranged between the unreeling mechanism and the straightening mechanism, wherein the adjusting mechanism is used for adjusting the transmission direction and the tension of the base material.

In some embodiments of the utility model, the adjusting mechanism comprises a deviation rectifying assembly and a tension assembly, wherein the deviation rectifying assembly is arranged between the unreeling mechanism and the straightening mechanism, the deviation rectifying assembly is used for rectifying the transmission direction of the base material, the tension assembly is arranged between the deviation rectifying assembly and the straightening mechanism, and the tension assembly is used for tensioning the base material.

In some embodiments of the utility model, the number of the straightening mechanisms is two, the two straightening mechanisms are arranged at intervals, and the two straightening mechanisms are also arranged between the unreeling mechanism and the driving mechanism.

The beneficial effects of the utility model are as follows: compared with the prior art, the straightening equipment disclosed by the utility model stretches and bends the base material between the unreeling mechanism and the driving mechanism through the straightening mechanism, so that the base material with original curvature and elastic complex curvature is subjected to inverse bending under the combined action of stretching and bending, the base material generates plastic extension deformation, the central layer of the base material generates plastic flow, the ternary shape defect of the base material is eliminated, the internal stress of the base material is redistributed by the straightening mechanism, the curvature of the base material is zero, the base material is straightened, the base material with different curvatures and different widths can be subjected to stepless adjustment and straightening through the straightening mechanism, the applicability is strong, the straightening equipment is good in straightening effect, and is suitable for popularization and application, and the service performance of the straightening equipment is well improved.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view showing the construction of an embodiment of a straightening apparatus according to the present utility model;

FIG. 2 is a schematic view showing the structure of an embodiment of the straightening mechanism of the present utility model;

FIG. 3 is a schematic view showing a counter-clockwise return bend of an embodiment of the straightening mechanism according to the present utility model;

FIG. 4 is a schematic view showing a clockwise reverse bend of an embodiment of the straightening mechanism according to the present utility model.

Reference numerals illustrate:

10. straightening equipment; 1. an unreeling mechanism; 2. an adjusting mechanism; 21. a deviation rectifying component; 22. a transition roller assembly; 23. a tension assembly; 3. a straightening mechanism; 31. a base; 32. a first guide roller assembly; 321. a first mounting table; 322. a first straightening guide roller; 323. a first driving member; 324. a feeding channel; 33. a second guide roller assembly; 331. a second mounting table; 332. a second straightening guide roller; 333. a discharge channel; 34. straightening components; 341. a first straightening member; 342. a second straightening member; 343. straightening the channel; 345. straightening an installation table; 346. straightening the driving piece; 35. a conveying rail; 36. straightening the track; 4. a roller passing group; 5. a driving mechanism; 6. a cutting mechanism; 7. unreeling the sensor; 8. a tape receiving sensor; 9. and a control device.

The achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the present utility model, unless specifically stated and limited otherwise, the terms "connected," "affixed," and the like are to be construed broadly, and for example, "affixed" may be a fixed connection, a removable connection, or an integral body; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

Furthermore, descriptions such as those referred to as "first," "second," and the like, are provided for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implying an order of magnitude of the indicated technical features in the present disclosure. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.

The utility model proposes a straightening device, referring to fig. 1, a straightening device 10 comprising an unreeling mechanism 1, a driving mechanism 5 and a straightening mechanism 3. The unreeling mechanism 1 is used for installing a substrate and releasing the substrate in a counterclockwise direction or a clockwise direction, the driving mechanism 5 is firstly connected to one end of the substrate in an initial state, and the driving mechanism 5 is used for driving the substrate to move. The straightening mechanism 3 is arranged between the unreeling mechanism 1 and the driving mechanism 5, one end of the straightening mechanism 3 is connected into the base material from the unreeling mechanism 1, the other end of the straightening mechanism 3 conveys the base material to the driving mechanism 5, and the straightening mechanism 3 is used for stretching and bending the base material so as to straighten the base material.

So set up, carry out stretching bending to the substrate through straightening mechanism 3 between unreeling mechanism 1 and actuating mechanism 5, with under stretching and crooked combined action, carry out the reverse bending action to the substrate that has original camber and bullet complex curvature, the substrate produces moulding extension deformation, the central stratum of substrate takes place plastic flow, make the ternary shape defect of substrate can be eliminated, straightening mechanism 3 still redistributes the internal stress of substrate, make the camber of substrate be zero, thereby realize straightening the substrate, can realize carrying out electrodeless regulation to the substrate of different camber and different width through straightening mechanism 3, the suitability is strong, the straightening is effectual, be applicable to popularization and application, the performance of this straightening equipment 10 has been promoted well.

The straightening mechanism 3 can adaptively straighten the substrate which is unreeled in the anticlockwise direction or the clockwise direction, and because the curvatures of the substrate which is unreeled in the anticlockwise direction and the substrate which is unreeled in the clockwise direction are different, in order to achieve the aim of straightening, the straightening mechanism 3 can adaptively adjust the mode of straightening the substrate in the production process, so that the substrate which is unreeled in the anticlockwise direction or the substrate which is unreeled in the clockwise direction can meet the straightening requirement in the production process, the production consistency is stronger, the increase of the production time caused by the replacement of the tape adjusting straightening mechanism 3 is avoided, and the production efficiency is improved well.

Unreeling mechanism 1 can be unreeling machine or automatic unreeling dish, unreeling machine or automatic unreeling dish supply substrate installation and make the substrate can carry out the autogyration, unreel mechanism 1 also can be other have the structure of automatic unreeling substrate or strip, as long as can realize the installation and unreel the substrate can.

The drive mechanism 5 may be a set of drive rollers for driving the movement of the substrate such that the substrate is transported. The unreeling mechanism 1 can be used for automatically unreeling the base material, or can be used for realizing unreeling by driving the base material to move through the driving mechanism 5. It should be understood that the driving mechanism 5 may be a conveyor belt set, or the driving mechanism 5 may be another device with a substrate conveying function, so long as the substrate conveying function can be achieved, which is not described in detail herein.

The substrate may be an electrode sheet substrate, or may be other strips with straightening requirements, and in the embodiment of the present application, the electrode sheet is used as an example for illustration, which is not limited herein.

Referring to fig. 1 to 4, straightening mechanism 3 further includes a base 31, a first guide roller assembly 32, a second guide roller assembly 33, and a straightening assembly 34, and first guide roller assembly 32, second guide roller assembly 33, and straightening assembly 34 are movably disposed on base 31. Wherein the first guide roller assembly 32 is provided with a feeding channel 324 for passing the substrate, the second guide roller assembly 33 is provided with a discharging channel 333 for passing the substrate, and the straightening assembly 34 is provided with a straightening channel 343 for passing the substrate. The substrate released by the unreeling mechanism 1 passes through the feeding channel 324, the straightening channel 343 and the discharging channel 333 in sequence.

The first guide roller assembly 32 and the second guide roller assembly 33 are respectively arranged on two sides of the straightening assembly 34, the first guide roller assembly 32 is used for tensioning the substrate, the first guide roller assembly 32 is matched with the straightening assembly 34 to stretch and bend the substrate, and the second guide roller assembly 33 is used for tensioning the substrate and is matched with the straightening assembly 34 to stretch and bend the substrate. The straightening unit 34 is used for stretching and bending one side of the substrate in the thickness direction of the substrate, and the first guide roller unit 32 and the second guide roller unit 33 are used for stretching and bending the other side of the substrate in the thickness direction of the substrate.

So set up for the substrate transmission in-process, first deflector roll subassembly 32 stretches to the substrate along one side of self thickness direction, straightening subassembly 34 stretches to the substrate along the opposite side of self thickness direction, second deflector roll subassembly 33 stretches to the substrate along one side of self thickness direction again, one side that second deflector roll subassembly 33 contacted is the homonymy of substrate with first deflector roll subassembly 32 contact substrate, stretch bending and reverse bending effect are carried out to the substrate like this, the substrate produces the plasticity and extends, the plastic flow takes place for the central layer of substrate, the internal stress of substrate can redistribute, make the rate of reverse bending that is used in the substrate equal to the sum of original curvature and the elastic recovery curvature of substrate, also make the curvature of substrate zero, thereby realize the straightening substrate.

With continued reference to fig. 1-4, the base 31 has a conveying track 35 and a straightening track 36 disposed in a cross-over arrangement, the first guide roller assembly 32 and the second guide roller assembly 33 are disposed on either side of the straightening track 36, the first guide roller assembly 32 and the second guide roller assembly 33 also move toward or away from each other along the conveying track 35, and the straightening assembly 34 moves along the straightening track 36.

The contact wrap angle between the substrate and the first guide roller assembly 32, the contact wrap angle between the substrate and the straightening assembly 34 and the contact wrap angle between the substrate and the second guide roller assembly 33 can be conveniently adjusted, so that in the process of straightening the substrate, the contact wrap angles between the substrate and each of the first guide roller assembly 32, the straightening assembly 34 and the second guide roller assembly 33 can be adjusted according to the unreeling radius of the substrate, when the substrate is subjected to reverse bending, the substrate can generate different reverse bending rates, the substrate can be adaptively straightened, the substrates under different states and different curvatures can be straightened, the applicability is strong, and the adjustment performance is good.

Wherein the contact wrap angle is adjusted in the range of-170 ° to 170 ° ("-" is indicated as negative).

In addition, the straightening assembly 34 can be smoothly moved on the base 31 through the straightening rail 36, so that the movement smoothness of the straightening assembly 34 is enhanced, and the first guide roller assembly 32 and the second guide roller assembly 33 can smoothly move along the conveying rail 35 in opposite directions or opposite directions through the conveying rail 35 so as to smoothly contact with the base material in the process of straightening the base material, thereby effectively reducing the occurrence of the phenomenon of jamming or stopping, avoiding the base material from being pulled or broken, improving the effect of straightening the base material and improving the production efficiency.

In some embodiments, the first guide roller assembly 32 includes a first mounting table 321, two first straightening guide rollers 322 and a first driving member 323, where the two first straightening guide rollers 322 are mounted on the first mounting table 321, and the two first straightening guide rollers 322 are disposed at intervals, and the two first straightening guide rollers 322 cooperate together to form a feeding channel 324. The first mounting table 321 is in sliding fit with the conveying track 35, the first driving piece 323 is mounted on the base 31, the driving end of the first driving piece 323 is fixedly connected with the first mounting table 321, and the first driving piece 323 is used for driving the first mounting table 321 to move along the direction limited by the conveying track 35, so that the first mounting table 321 drives the two first straightening guide rollers 322 to move.

The first driving piece 323 is a servo motor, the servo motor can be in sliding fit with the first mounting table 321 through a transmission screw rod structure, the first driving piece 323 can also be an air cylinder, and a piston rod of the air cylinder is fixedly connected with the first mounting table 321.

The second guide roller assembly 33 comprises a second mounting table 331 and two second straightening guide rollers 332, the second mounting table 331 is in sliding fit with the conveying rail 35, the two second straightening guide rollers 332 are all mounted on the second mounting table 331, the two second straightening guide rollers 332 are arranged at intervals, and the two second straightening guide rollers 332 are matched together to form a discharging channel 333. The second mounting table 331 may share a set of driving parts with the first mounting table 321, or may be driven to work by a separate driving part, and the second mounting table 331 may be driven by a servo motor or an air cylinder to slide along the conveying track 35, so as to drive the two second straightening guide rollers 332 to move.

In some embodiments, a roller set 4 may be disposed between the second guide roller assembly 33 and the driving mechanism 5, where the roller set 4 is used to assist in conveying the substrate between the second guide roller assembly 33 and the driving mechanism 5, so as to avoid the possibility of slight bending of the substrate due to gravity on one hand, and increase the conveying effect of the substrate due to the roller set 4, so as to avoid the substrate from being damaged, and improve the production quality of the substrate.

With continued reference to fig. 1-4, straightening assembly 34 includes first straightening member 341 and second straightening member 342, first straightening member 341 and second straightening member 342 being spaced apart along the extension of straightening rail 36. In this embodiment, first straightening member 341 may be positioned below second straightening member 342 in the up-down direction, first straightening member 341 and second straightening member 342 cooperate together to form straightening channel 343. The first straightening member 341 and the second straightening member 342 are used for realizing a stretching and bending operation of the substrate, so that the substrate is straightened, and the straightening assembly 34 further comprises a straightening installation table 345 which is in sliding fit with the straightening rail 36, wherein the straightening installation table 345 is provided for installing the first straightening member 341 and the second straightening member 342.

The first straightening piece 341 and the second straightening piece 342 may be straightening rollers, the base material is tightly pressed on the roller surface of the straightening rollers, the base material is enabled to be acted on the roller surface of the straightening rollers, the base material can generate plastic extension, the center layer of the base material generates plastic flow, internal stress of the base material is redistributed, and curvature of the base material is zero, so that the base material is straightened. It is understood that the first straightening member 341 and the second straightening member 342 may be other structural members having roll surfaces, so long as the internal stress of the substrate can be redistributed, which is not described in detail herein.

With continued reference to fig. 1-4, straightening mechanism 3 further includes a straightening drive 346, straightening assembly 34 having a first straightening position for stretch bending one side of the substrate in its thickness direction and straightening assembly 34 having a second straightening position for stretch bending the other side of the substrate in its thickness direction, straightening assembly 346 being in driving engagement with straightening assembly 34. Straightening drive 346 is used to drive straightening assembly 34 from a first straightening position to a second straightening position or from a second straightening position to a first straightening position.

The unwinding direction of the substrate itself is different, and it is possible to unwind in a counter-clockwise direction or in a clockwise direction, since only one side of the substrate is connected with the pole piece, in the manufacturing process, no matter how the substrate is unwound, it is necessary to ensure that straightening assembly 34 can be in contact with the side of the substrate to which the pole piece is connected. Straightening drive 346 drives straightening assembly 34 from the first straightening position to the second straightening position or vice versa, so that straightening apparatus 10 can be adapted to be able to stretch-bend straighten a substrate according to the actual production situation.

Wherein, straightening driving piece 346 can be a servo motor which can be in sliding fit with straightening installation table 345 through a transmission screw rod structure, straightening driving piece 346 can also be an air cylinder, and a piston rod of the air cylinder is fixedly connected with straightening installation table 345.

The first guide roller assembly 32, the straightening assembly 34 and the second guide roller assembly 33 are arranged side by side in this order and are in an initial position, a range between the initial position and the upper end of the conveying rail 35 is substantially in a first straightening position, and a range between the initial position and the lower end of the conveying rail 35 is substantially in a second straightening position. In the present embodiment, the substrate is straightened by the first straightening member 341 in the first straightening position and is straightened by the second straightening member 342 in the second straightening position.

Unreeling the substrate in a counter-clockwise direction:

as shown in FIG. 3, the straightening assembly 34 is located at the second straightening position, and the first straightening guide rollers 322 located at the lower end, the second straightening piece 342 and the second straightening guide rollers 332 located at the lower end act on the substrate together to perform a stretching bending straightening operation on the substrate, and in the process of straightening the substrate, the straightening installation table 345 can be adaptively driven to move towards a direction approaching to the first straightening guide rollers 322 according to the unreeling radius of the substrate, so as to adjust the reverse bending rate of the substrate, thereby straightening the substrate better and improving the straightening effect of the substrate.

Unreeling the substrate in a clockwise direction:

as shown in FIG. 4, the straightening assembly 34 is located at a first straightening position, and the first straightening guide roller 322 located at the upper end, the first straightening piece 341 and the second straightening guide roller 332 located at the upper end of the two first straightening guide rollers 322 act on the substrate together to perform a stretching bending straightening operation on the substrate, and in the process of straightening the substrate, the straightening installation table 345 can be adaptively driven to move towards a direction close to the first straightening guide roller 322 according to the unreeling radius of the substrate, so that the reverse bending rate of the substrate can be adjusted to straighten the substrate better, and the straightening effect of the substrate can be improved.

It can be appreciated that in the production process, the straightening assembly 34 can adaptively drive the straightening assembly 34 to switch from the first straightening position to the second straightening position or from the second straightening position to the first straightening position according to the unreeling direction of the substrate, so that the substrate can be straightened in time, the substrate waste is avoided, the continuity of the straightened substrate is improved, and the production efficiency is improved.

With continued reference to fig. 1-4, straightening apparatus 10 further comprises an unreeling sensor 7 and a control device 9, both unreeling sensor 7 and straightening drive 346 being communicatively connected to control device 9. Wherein the unreeling sensor 7 is used for detecting the unreeling radius of the base material released by the unreeling mechanism 1 and sending a first electric signal to the control device 9, and the control device 9 is used for receiving the first electric signal and controlling the straightening driving piece 346 according to the first electric signal so as to drive the straightening assembly 34 to move along the straightening track 36.

The unwinding radius of the base material is detected in real time by the unwinding sensor 7 so as to obtain the unwinding radius of the coiled material, and the unwinding sensor and the control device 9 perform signal interaction. The unreeling radius of the base material is detected in real time through the unreeling sensor 7, the control device 9 can control the straightening driving piece 346 according to the first electric signal sent by the unreeling sensor 7, the straightening driving piece 346 drives the straightening component 34, so that the contact wrap angles of the base material, the first guide roller component 32, the straightening component 34 and the first guide roller component 32 can be adjusted, the self-adaptability is high, the base materials with different reeling diameters can be straightened conveniently, the base materials can be subjected to reverse bending operation, different reverse bending rates can be generated on the base materials, and the base materials can be straightened.

The first electric signal corresponds to a numerical value of the unreeling radius of the substrate detected in real time. The control means 9 may be a CPU processor or other controller, and the control means 9 may be wired or Bluetooth connected to the straightening driver 346.

The unreeling sensor 7 may be an ultrasonic sensor or a reeling diameter measuring sensor, and the unreeling sensor 7 may be other sensors with a function of detecting reeling diameter, which will not be described in detail herein.

With continued reference to fig. 1-4, straightening apparatus 10 further comprises a splicing tape sensor 8 and a control device 9, both splicing tape sensor 8 and straightening drive 346 being communicatively connected to control device 9. The tape receiving sensor 8 is disposed between the unreeling mechanism 1 and the straightening mechanism 3, the tape receiving sensor 8 is used for detecting the releasing direction of the base material and sending a second electric signal to the control device 9, the control device 9 receives the second electric signal and controls the straightening driving piece 346 according to the second electric signal so as to drive the straightening assembly 34 to switch from the first straightening position to the second straightening position or from the second straightening position to the first straightening position.

In the actual production process, after the substrate is released, another substrate needs to be placed next, and the substrates need to be spliced together to realize continuous production. In the splicing process, the pole pieces on the base materials are possibly connected positively, namely the pole pieces on the base materials are all on the same side, and the pole pieces on the base materials after splicing are also possibly connected reversely, namely the pole pieces on the base materials after splicing are not on the same side. The tape receiving position of the base material can be detected through the tape receiving sensor 8, and the driving piece 346 is straightened through the control device 9, so that the straightening assembly 34 can be timely driven to be switched from the first straightening position to the second straightening position or from the second straightening position to the first straightening position, the straightening assembly 34 can timely straighten the base material, excessive waste materials are avoided, material cost is saved, and production benefits are improved.

The tape receiving sensor 8 may be an electronic component such as an industrial camera, a line laser camera, a vision module or an ultrasonic sensor, the second electrical signal may be a signal that the tape receiving sensor 8 detects the splicing position of the substrate, for example, a marker is located at the splicing position of the substrate, the marker may be a bright sticker or any other object with an auxiliary identification position, and when the tape receiving sensor 8 detects the marker, a signal of tape receiving is sent to the control device 9, so that the tape receiving position of the substrate is known, so that the control device 9 controls the straightening component 34 to perform an adaptive adjustment action.

With continued reference to fig. 1 to 4, the straightening device 10 further comprises an adjusting mechanism 2, the adjusting mechanism 2 is arranged between the unreeling mechanism 1 and the straightening mechanism 3, and the adjusting mechanism 2 is used for adjusting the transmission direction and the tension of the base material.

The adjusting mechanism 2 comprises a deviation rectifying assembly 21 and a tension assembly 23, the deviation rectifying assembly 21 is arranged between the unreeling mechanism 1 and the straightening mechanism 3, the deviation rectifying assembly 21 is used for rectifying the transmission direction of the base material, the tension assembly 23 is arranged between the deviation rectifying assembly 21 and the straightening mechanism 3, and the tension assembly 23 is used for tensioning the base material.

The substrate can be rectified when the substrate is released by the unreeling mechanism 1 through the rectifying component 21, so that the substrate is effectively prevented from deviating from the conveying direction, the substrate can be unreeled orderly, and the unreeled substrate effect is improved. The tension assembly 23 is used for tensioning the base material, so that the possibility of winding caused by too loose base material is avoided, the conveying stroke of the base material can be increased through the deviation correcting assembly 21 and the tension assembly 23, and sufficient time is reserved for subsequent cutting of the base material.

A plurality of groups of transition roller assemblies 22 are arranged between the deviation correcting assembly 21 and the tension assembly 23, and the tension and the order of the base material can be enhanced in an auxiliary manner through the plurality of groups of transition roller assemblies 22, so that the conveying effect and the conveying efficiency of the base material are improved.

The tape receiving sensor 8 is arranged between the tension component 23 and the straightening mechanism 3, so that the tape receiving sensor 8 detects the tape receiving position and the response time of the control device 9 is as short as possible, the straightening driving piece 346 can drive the straightening component 34 to switch the straightening position, and meanwhile, when the tape receiving position moves to the position of the straightening mechanism 3, the straightening component 34 can straighten in time, so that the compactness is high, and the production efficiency is improved.

The deviation rectifying component 21 may be a deviation rectifying roller set or other deviation rectifying structural members, and the tension component 23 may be a tension roller set or a fixed rod set, so long as the tensioning of the base material can be achieved, which is not described in detail herein.

With continued reference to fig. 1 to 4, the number of straightening mechanisms 3 is two, the two straightening mechanisms 3 are arranged at intervals, and the two straightening mechanisms 3 are also arranged between the unreeling mechanism 1 and the driving mechanism 5. Through two straightening mechanisms 3, straighten the substrate to this can promote the stability of straightening the substrate, make the straightness of the substrate after the straightening more stable.

It will be appreciated that the number of straightening mechanisms 3 may be three or more.

The straightening device 10 further comprises a cutting mechanism 6, the driving mechanism 5 is located between the cutting mechanism 6 and the straightening mechanism 3, the cutting mechanism 6 is used for cutting the straightened base material, the driving mechanism 5 can clamp the base material, the cutting mechanism 6 is convenient for cutting the base material, and the cutting mechanism 6 cuts the base material according to the required width.

The straightening process of the straightening device 10 is approximately as follows:

the base material is arranged on the unreeling mechanism 1, the unreeling mechanism 1 releases the base material, the base material is centered in the transportation process through the deviation correcting component 21, the base material is transported to the tension component 23 through the transition roller component 22, the tension control of the base material in the transportation process is realized through the tension component 23, the base material is straightened through the straightening component 34, the straightened base material is clamped through the driving mechanism 5, and the base material is cut into pole pieces with required width through the cutting mechanism 6;

wherein the unreeling sensor 7 detects the unreeling radius, the curvature of the corresponding substrate changes along with the change of the unreeling radius, the unreeling sensor 7 detects the reel diameter of the substrate and calculates the corresponding reverse bending rate through the control device 9, and the straightening assembly 34, the first guide roller assembly 32 and the second guide roller assembly 33 are driven by the straightening driving piece 346 to change the contact wrap angles among the substrate, the straightening assembly 34, the first guide roller assembly 32 and the second guide roller assembly 33, so as to change the reverse bending rate;

during material changing, the unreeling sensor 7 detects clockwise and anticlockwise rotation according to unreeling rotation direction, meanwhile, the tape receiving sensor 8 detects the position of a tape receiving port, and the unreeling speed of the unreeling mechanism 1 and the up-and-down movement of the straightening component 34 are controlled through the control device 9, so that clockwise and anticlockwise reverse bending straightening is realized.

The foregoing description is only of the optional embodiments of the present utility model, and is not intended to limit the scope of the utility model, and all the equivalent structural changes made by the description of the present utility model and the accompanying drawings or the direct/indirect application in other related technical fields are included in the scope of the utility model.

Claims

1. The straightening equipment is characterized by comprising an unreeling mechanism, a driving mechanism and a straightening mechanism; wherein,

2. The straightening apparatus as claimed in claim 1, characterized in that the straightening mechanism comprises a base, a first guide roller assembly, a second guide roller assembly and a straightening assembly, which are movably arranged on the base; wherein,

3. Straightening apparatus according to claim 2, characterized in that the base has a conveying track and a straightening track arranged crosswise, the first guide roller assembly and the second guide roller assembly being arranged on both sides of the straightening track, respectively, the first guide roller assembly and the second guide roller assembly also being moved along the conveying track towards each other or away from each other, the straightening assembly being moved along the straightening track.

4. A straightening arrangement according to claim 3, characterised in that the straightening assembly comprises a first straightening member and a second straightening member, which are spaced apart in the direction of extension of the straightening track, the first straightening member and the second straightening member cooperating together to form the straightening channel.

5. The straightening apparatus as claimed in claim 3, characterized in that the straightening mechanism further comprises a straightening drive which is in driving engagement with the straightening assembly, the straightening assembly having a first straightening position in which the substrate is stretch-bent on one side in the direction of its thickness and a second straightening position in which the substrate is stretch-bent on the other side in the direction of its thickness;

6. Straightening apparatus according to claim 5, characterized in that the straightening apparatus further comprises an unreeling sensor and a control means, both of which are in communication with the control means; wherein,

7. Straightening apparatus according to claim 5, characterized in that it further comprises a taping sensor and a control means, both of which are in communication with the control means; wherein,

8. Straightening device according to claim 1, characterized in that the straightening device further comprises an adjusting mechanism arranged between the unreeling mechanism and the straightening mechanism, the adjusting mechanism being used for adjusting the transport direction and the tightness of the substrate.

9. The straightening apparatus as claimed in claim 8, characterized in that the adjusting mechanism comprises a deviation rectifying assembly and a tension assembly, the deviation rectifying assembly being arranged between the unreeling mechanism and the straightening mechanism, the deviation rectifying assembly being arranged to rectify the direction of transport of the base material, the tension assembly being arranged between the deviation rectifying assembly and the straightening mechanism, the tension assembly being arranged to tension the base material.

10. Straightening device according to claim 1, characterized in that the number of straightening mechanisms is two, which are arranged at intervals, and which are both arranged between the unreeling mechanism and the drive mechanism.