CN214692461U - Tension adjusting device - Google Patents
Tension adjusting device Download PDFInfo
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- CN214692461U CN214692461U CN202120413514.5U CN202120413514U CN214692461U CN 214692461 U CN214692461 U CN 214692461U CN 202120413514 U CN202120413514 U CN 202120413514U CN 214692461 U CN214692461 U CN 214692461U
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Abstract
The application relates to the technical field of lithium battery manufacturing, in particular to a tension adjusting device which comprises a first compression roller, a second compression roller, a driving roller, a driven roller, a floating roller, an adjusting mechanism and a tension sensor, wherein the first compression roller is arranged on the driving roller; a limiting gap for the feeding material to pass through is formed between the driving roller and the driven roller; a compression joint gap for the feeding material to pass through is formed between the first pressing roller and the second pressing roller; the material sequentially passes through a limiting gap between the driving roller and the driven roller, the floating roller and a compression joint gap between the first compression roller and the second compression roller; the adjusting mechanism is used for moving the position of the floating roller, the tension sensor is used for measuring the real-time tension of the material, and the tension sensor is in signal connection with the adjusting mechanism. This application can supply a comparatively suitable tension through the position of adjustment mechanism suitable removal floating roll before the material roll-in for first compression roller and second compression roller can carry out the roll-in to the material better, have solved effectively among the prior art and have can't feed material before the roll-in and have adjusted suitable tensile technical problem.
Description
Technical Field
The application relates to the technical field of lithium battery manufacturing, in particular to a tension adjusting device.
Background
In the field of manufacturing of lithium battery pole pieces, the coated battery pole pieces need to be compacted by a roller press, and the coated pole pieces are generally extruded in a crack manner and are in a stripe shape; when the pole piece is rolled, the problem that a coating layer and a non-coating layer are not spread uniformly can be caused, and edge wrinkles are caused; in order to solve the problem, the feeding material needs to have adjustable tension before the material enters the rolling process, namely, the non-coating area is subjected to pretreatment stretching; there is therefore a need for a tensioning device that meets the above-mentioned needs.
SUMMERY OF THE UTILITY MODEL
In view of this, an object of the present application is to provide a tension adjusting device, which effectively solves the technical problem in the prior art that a suitable tension of a feeding material cannot be adjusted before rolling.
In order to achieve the purpose, the application provides the following technical scheme:
a tension adjusting device comprises a first press roller, a second press roller, a driving roller, a driven roller, a floating roller, an adjusting mechanism and a tension sensor;
a limiting gap for a feeding material to pass through is formed between the driving roller and the driven roller;
a compression joint gap for feeding materials to pass is formed between the first pressing roller and the second pressing roller;
the material sequentially passes through a limiting gap between the driving roller and the driven roller and a compression joint gap between the floating roller and the first compression roller and the second compression roller;
the adjusting mechanism is used for moving the position of the floating roller, the tension sensor is used for measuring the real-time tension of the material, and the tension sensor is in signal connection with the adjusting mechanism.
Preferably, in the tension adjusting apparatus described above, the adjusting mechanism includes a pushing assembly, a rotating shaft, and a connecting rod;
the rotating shaft is fixedly connected with the floating roller through a connecting rod;
the pushing assembly is connected with the connecting rod or the floating roller and used for pushing the connecting rod and the floating roller to rotate around the rotating shaft.
Preferably, in the tension adjusting device, the pushing assembly is specifically a telescopic cylinder, and a telescopic rod of the telescopic cylinder is connected with the connecting rod or the floating roll.
Preferably, in the tension adjusting apparatus, a potentiometer is further included, and the potentiometer is configured to measure a rotation angle of the rotating shaft and send the rotation angle to the pushing assembly.
Preferably, in the tension adjusting device, the tension adjusting device further includes a tension roller, the tension roller is located between the floating roller and the first press roller, and the tension sensor is disposed on the tension roller.
Preferably, in the tension adjusting device, the tension adjusting device further comprises a traction device, and the traction device is used for drawing the wire rod to pass through the crimping gap between the first pressing roller and the second pressing roller.
Preferably, in the tension adjustment device described above, the traction device is provided with a first speed sensor for measuring a traction speed of the traction device.
Preferably, in the tension adjusting device, a power device is further included, and the power device is used for driving the driving roller to rotate.
Preferably, in the tension adjusting device described above, the power unit is provided with a second speed sensor for measuring a rotation speed of the drive roller.
Preferably, in the tension adjusting apparatus described above, a guide roller for guiding a running direction of the material is further included.
Compared with the prior art, the beneficial effects of this application are:
the tension adjusting device comprises a first compression roller, a second compression roller, a driving roller, a driven roller, a floating roller, an adjusting mechanism and a tension sensor; a limiting gap for a feeding material to pass through is formed between the driving roller and the driven roller; a compression joint gap for feeding materials to pass is formed between the first pressing roller and the second pressing roller; the material sequentially passes through a limiting gap between the driving roller and the driven roller and a compression joint gap between the floating roller and the first compression roller and the second compression roller; the adjusting mechanism is used for moving the position of the floating roller, the tension sensor is used for measuring the real-time tension of the material, and the tension sensor is in signal connection with the adjusting mechanism. This application pushes down the material through mutually supporting of drive roll and driven voller, can prevent that the material from sliding, simultaneously through the position of the appropriate removal floating roll of adjustment mechanism, make the material of carrying more tight or loosen slightly and take off, thereby realize adjusting the tension of material, can supply a comparatively suitable tension on the material roll-in prerequisite, so that carry out a tensile preliminary treatment to the material, make first compression roller and second compression roller can roll-in the material better, be favorable to improving the quality that the material rolled-in, the technical problem that the feed material adjusted suitable tension before the roll-in exists among the prior art has been solved effectively.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, it is obvious that the drawings in the following description are only embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a tension adjusting device according to an embodiment of the present disclosure.
In the figure:
the first press roll 11, the second press roll 12, the tension roll 21, the tension sensor 22, the guide roll 31, the drive roll 41, the driven roll 42, the floating roll 51, the rotating shaft 52, the telescopic cylinder 53, the potentiometer 54 and the material 6.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, 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 application.
In the description of the embodiments of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the embodiments of the present application and simplifying the description, but do not indicate or imply that the referred devices or elements must have specific orientations, be configured in specific orientations, and operate, and thus, should not be construed as limiting the embodiments of the present application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the embodiments of the present application, it should be noted that the terms "mounted," "connected," and "connected" are used broadly and are defined as, for example, a fixed connection, an exchangeable connection, an integrated connection, a mechanical connection, an electrical connection, a direct connection, an indirect connection through an intermediate medium, and a communication between two elements, unless otherwise explicitly stated or limited. Specific meanings of the above terms in the embodiments of the present application can be understood in specific cases by those of ordinary skill in the art.
In the field of manufacturing of lithium battery pole pieces, the coated battery pole pieces need to be compacted by a roller press, and the coated pole pieces are generally extruded in a crack manner and are in a stripe shape; when the pole piece is rolled, the problem that a coating layer and a non-coating layer are not spread uniformly can be caused, and edge wrinkles are caused; to solve this problem, it is necessary to adjust the tension of the feed material before it is rolled, i.e. to pre-stretch the non-coated areas. The embodiment provides a tension adjusting device, has solved effectively among the prior art and has had the technical problem that feed material adjusts suitable tension before the roll-in.
Referring to fig. 1, the embodiment of the present application provides a tension adjusting device, which includes a first pressing roller 11, a second pressing roller 12, a driving roller 41, a driven roller 42, a floating roller 51, an adjusting mechanism, and a tension sensor 22; a limit gap for the material supply material 6 to pass through is formed between the driving roller 41 and the driven roller 42; a crimping gap for the material 6 to pass through is formed between the first pressing roller 11 and the second pressing roller 12; the material 6 sequentially passes through a limiting gap between the driving roller 41 and the driven roller 42, a floating roller 51, and a compression joint gap between the first compression roller 11 and the second compression roller 12; the adjustment mechanism is used to move the position of the dancer 51, the tension sensor 22 is used to measure the real-time tension of the material 6, and the tension sensor 22 is in signal connection with the adjustment mechanism.
More specifically, the limit clearance is larger than the crimping clearance, so that the direct crimping of the material 6 between the driving roller 41 and the driven roller 42 is avoided; the first press roller 11 and the second press roller 12 are opposite in direction, so that the first press roller 11 and the second press roller 12 jointly roll the material 6 in the crimping gap; the adjusting mechanism controls the moving distance or angle of the floating roller 51 through the real-time tension measured by the tension sensor 22, so that the tightness of the material 6 is changed, and the effect of adjusting the tension of the material 6 is achieved.
This embodiment is through mutually supporting of drive roll 41 and driven voller 42 and is pushed down material 6, can prevent that material 6 from sliding, simultaneously through the position of the appropriate removal floating roll 51 of adjustment mechanism, make the material 6 of carrying more tight or loosen slightly and take off, thereby realize adjusting the tension of material 6, can provide a comparatively suitable tension before material 6 roll-in, so that carry out a tensile preliminary treatment to material 6, make first compression roller 11 and second compression roller 12 can roll-in material 6 better, be favorable to improving the quality of material 6 roll-in, the technical problem that the material 6 can't adjust suitable tension before the roll-in existence among the prior art has been solved effectively.
Further, in the present embodiment, the adjusting mechanism includes a pushing assembly, a rotating shaft 52, and a connecting rod; the rotating shaft 52 is fixedly connected with the floating roller 51 through a connecting rod; the pushing assembly is connected with a connecting rod or a floating roller 51 for pushing the connecting rod and the floating roller 51 to rotate around a rotating shaft 52. Under the traction and pulling action of each roller, the material 6 is in a tightening state, the pushing assembly enables the position of the floating roller 51 to be changed by pushing the connecting rod or the floating roller 51, so that the tightening degree of the material 6 is changed, the purpose of adjusting the tension of the material 6 is achieved, and the moving angle of the floating roller 51 is controlled according to the real-time measurement of the tension sensor 22.
Further, in the present embodiment, the pushing assembly is embodied as a telescopic cylinder 53, and a telescopic rod of the telescopic cylinder 53 is connected with the connecting rod or the floating roller 51. The direction and distance of movement of the dancer 51 can be easily controlled by the telescopic action of the telescopic cylinder 53 in order to adjust the optimum tension of the material 6.
Further, in the present embodiment, a potentiometer 54 is further included, and the potentiometer 54 is used for measuring the rotation angle of the rotating shaft 52 and sending the rotation angle to the pushing assembly. The tension sensor 22 detects the actual tension of the material 6 and the potentiometer 54 measures the rotation angle of the rotating shaft 52 (i.e. the rotation angle of the floating roller 51), the tension sensor 22 and the potentiometer 54 can both feed back the measured data to the PLC control system of the adjusting mechanism, the data measured by the tension sensor 22 is convenient for the PLC control system to calculate the tension to be adjusted, the data measured by the potentiometer 54 is convenient for the PLC control system to calculate the angle of the rotating floating roller 51, and the PLC control system realizes the closed-loop adjustment of the adjusting mechanism by the common measurement feedback of the tension sensor 22 and the potentiometer 54, so that the position of the floating roller 51 is repeatedly adjusted to enable the tension of the material 6 to be at the optimum value.
Further, in the present embodiment, a tension roller 21 is further included, the tension roller 21 is located between the dancer roller 51 and the first press roller 11, and the tension sensor 22 is provided on the tension roller 21. That is to say, the material 6 sequentially passes through the limiting gap between the driving roller 41 and the driven roller 42, the floating roller 51, the tension roller 21, and the crimping gap between the first pressing roller 11 and the second pressing roller 12, and through the tension roller 21 arranged close to the first pressing roller 11, not only the influence of the movement of the floating roller 51 on the first pressing roller 11 can be avoided, which is beneficial to guiding the material 6 to enter the crimping gap orderly, but also the tension sensor 22 can be installed conveniently so as to measure the data which can reflect the tension of the material 6 before rolling.
Further, in the present embodiment, a pulling device is further included, and the pulling device is used for pulling the wire rod to pass through the crimping gap between the first pressing roller 11 and the second pressing roller 12. Can guarantee through draw gear that material 6 passes through the crimping clearance in order in succession, guarantee that material 6 can be constantly carried out crimping by first compression roller 11 and second compression roller 12, be favorable to improving the machining efficiency of material 6.
Further, in the present embodiment, the traction means is provided with a first speed sensor for measuring the traction speed of the traction means. Can real-time detection material 6 through the speed in crimping clearance through first speed sensor to can real-time regulation draw gear's speed (be exactly the V1 speed of fig. 1) through first speed sensor's measurement feedback, can control material 6 and pass through the crimping clearance with reasonable speed, both guaranteed machining efficiency, guarantee again that first compression roller 11 and second compression roller 12 have abundant time to carry out the crimping to material 6, thereby guarantee the crimping quality to material 6.
Further, in the present embodiment, a power device is further included, and the power device is used for driving the driving roller 41 to rotate. The power device can provide power for the rotation of the driving roller 41, the rotation of the driving roller 41 is used for drawing and guiding the unprocessed material 6 to enter the processing operation, and the whole processing operation can be ensured to be orderly and continuously completed by matching with the drawing device at the discharging position.
Further, in the present embodiment, the power unit is provided with a second speed sensor for measuring the rotation speed of the drive roller 41. The speed of the material 6 passing through the limiting gap (namely, V2 in fig. 1) can be detected in real time through the second speed sensor, in order to ensure that the material 6 can be subjected to crimping processing at a proper speed, the feeding speed V2 of the material 6 and the discharging speed V1 of the material 6 need to be simultaneously and reasonably controlled, and the detection through the first speed sensor and the second speed sensor is fed back to a PLC control system, the rotating speed of the driving roller 41 is controlled through closed-loop regulation so as to realize the linkage of the speed V2 of the driving roller 41 and the speed V1 of the first pressing roller 11, which is beneficial to avoiding the occurrence of the strip breakage of the material 6, meanwhile, the material 6 can be pretreated before rolling, the pole piece is subjected to proper tension stretching, and the quality requirement of the pole piece after rolling is met.
Further, in the present embodiment, a guide roller 31 for guiding the feeding direction of the material 6 is further included. The position of the guide roller 31 can be designed according to actual needs, and the arrangement of the guide roller 31 not only can properly change the feeding direction of the material 6 so as to enable the material 6 to be staggered from a non-working area, but also can ensure that the material 6 is in a tension stretching state so that the stretched material 6 can be better rolled and processed.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A tension adjusting device is characterized by comprising a first compression roller, a second compression roller, a driving roller, a driven roller, a floating roller, an adjusting mechanism and a tension sensor;
a limiting gap for a feeding material to pass through is formed between the driving roller and the driven roller;
a compression joint gap for feeding materials to pass is formed between the first pressing roller and the second pressing roller;
the material sequentially passes through a limiting gap between the driving roller and the driven roller and a compression joint gap between the floating roller and the first compression roller and the second compression roller;
the adjusting mechanism is used for moving the position of the floating roller, the tension sensor is used for measuring the real-time tension of the material, and the tension sensor is in signal connection with the adjusting mechanism.
2. The tension adjustment device of claim 1, wherein the adjustment mechanism comprises a push assembly, a rotating shaft, and a connecting rod;
the rotating shaft is fixedly connected with the floating roller through a connecting rod;
the pushing assembly is connected with the connecting rod or the floating roller and used for pushing the connecting rod and the floating roller to rotate around the rotating shaft.
3. A tensioning device according to claim 2, characterized in that the pushing assembly is embodied as a telescopic cylinder, the telescopic rod of which is connected to the connecting rod or the dancer roll.
4. The tensioning device according to claim 2, further comprising a potentiometer for measuring the rotation angle of the rotating shaft and sending it to the pushing assembly.
5. The tension adjustment device of claim 1, further comprising a tension roller positioned between the dancer roller and the first pressure roller, the tension sensor being disposed on the tension roller.
6. The tension adjustment device of claim 1, further comprising a pulling device for pulling wire through a crimp gap between the first compression roller and the second compression roller.
7. A tensioning device according to claim 6, characterized in that the pulling device is provided with a first speed sensor for measuring the pulling speed of the pulling device.
8. The tension adjustment device of claim 1, further comprising a power device for driving the drive roll in rotation.
9. A tension regulating device as claimed in claim 8, characterized in that the power means are provided with a second speed sensor for measuring the rotational speed of the drive roll.
10. A tension adjusting apparatus as claimed in any one of claims 1 to 9, further comprising a guide roller for guiding a running direction of the material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120413514.5U CN214692461U (en) | 2021-02-25 | 2021-02-25 | Tension adjusting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120413514.5U CN214692461U (en) | 2021-02-25 | 2021-02-25 | Tension adjusting device |
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| Publication Number | Publication Date |
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| CN214692461U true CN214692461U (en) | 2021-11-12 |
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| CN202120413514.5U Active CN214692461U (en) | 2021-02-25 | 2021-02-25 | Tension adjusting device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113353705A (en) * | 2021-05-31 | 2021-09-07 | 广东利元亨智能装备股份有限公司 | Single-path and multi-path cache-free tension control mechanism, method and device |
| CN113353704A (en) * | 2021-05-31 | 2021-09-07 | 广东利元亨智能装备股份有限公司 | Multi-level main drive non-cache tension control mechanism, method, device and storage medium |
-
2021
- 2021-02-25 CN CN202120413514.5U patent/CN214692461U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113353705A (en) * | 2021-05-31 | 2021-09-07 | 广东利元亨智能装备股份有限公司 | Single-path and multi-path cache-free tension control mechanism, method and device |
| CN113353704A (en) * | 2021-05-31 | 2021-09-07 | 广东利元亨智能装备股份有限公司 | Multi-level main drive non-cache tension control mechanism, method, device and storage medium |
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