CN210607457U - Pole piece rolling equipment - Google Patents
Pole piece rolling equipment Download PDFInfo
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- CN210607457U CN210607457U CN201921084351.XU CN201921084351U CN210607457U CN 210607457 U CN210607457 U CN 210607457U CN 201921084351 U CN201921084351 U CN 201921084351U CN 210607457 U CN210607457 U CN 210607457U
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- 238000005096 rolling process Methods 0.000 title claims abstract description 106
- 230000037303 wrinkles Effects 0.000 claims abstract description 83
- 238000001514 detection method Methods 0.000 claims abstract description 37
- 230000007246 mechanism Effects 0.000 claims abstract description 30
- 238000005192 partition Methods 0.000 claims abstract description 8
- 230000008859 change Effects 0.000 claims abstract description 4
- 238000009434 installation Methods 0.000 claims description 5
- 238000011144 upstream manufacturing Methods 0.000 abstract description 89
- 230000000694 effects Effects 0.000 abstract description 10
- 239000011248 coating agent Substances 0.000 description 8
- 238000000576 coating method Methods 0.000 description 8
- 238000000926 separation method Methods 0.000 description 5
- 238000004804 winding Methods 0.000 description 5
- 238000002955 isolation Methods 0.000 description 4
- 239000002002 slurry Substances 0.000 description 4
- 230000007704 transition Effects 0.000 description 4
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 3
- 229910001416 lithium ion Inorganic materials 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000004146 energy storage Methods 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
The utility model relates to a pole piece roll-in equipment. The pole piece rolling equipment comprises a rolling pair roller and a wrinkle removing device arranged at the upstream and/or downstream of the rolling pair roller, a tension isolating device is arranged between the wrinkle removing device and the rolling pair roller, a tension roller used for jacking the pole piece along the thickness direction of the pole piece to generate tension to the pole piece is arranged between the tension isolating device and the main roller, the pole piece rolling equipment also comprises a driving mechanism used for driving the tension roller to act along the thickness direction of the pole piece to change the tension generated by the tension roller on the pole piece, the tension detection device comprises a tension detection roller for detecting the tension of a pole piece between the tension partition device and the main roller and a controller connected with the tension detection roller through signals, wherein the controller is in control connection with a driving mechanism and is used for comparing a tension value detected by the tension detection roller with a tension set value and controlling the driving mechanism to act so as to keep the tension of the pole piece within a tension set value range. The rolling effect of the pole piece rolling equipment is ensured by adjusting the rolling tension.
Description
Technical Field
The utility model relates to a battery pole piece makes technical field, concretely relates to pole piece roll-in equipment.
Background
As a good energy storage device, the lithium ion battery has been widely used in the fields of mobile electronic devices, electric tools, electric vehicles, and power energy storage. The pole piece is used as an important structure of the lithium ion battery and consists of a current collector and conductive slurry coated on the current collector. In general, the conductive paste is applied to the middle of the current collector in the width direction to form a coating area of the pole piece, and the part of the current collector which is not applied with the conductive paste forms a blank area of the pole piece. In the actual production process of the lithium ion battery, the conductive slurry is coated on a current collector, and after drying, the conductive slurry is fixed on the current collector in a rolling way and is tightly combined with the current collector. Under the normal condition, the thickness in coating district is about ten times of leaving white district thickness or more, this has just led to at the in-process of roll-in, can only roll-in to the coating district, the coating district receives the roll-in back, electrically conductive slurry fixes more firmly on the mass flow body, thickness reduces gradually simultaneously makes the coating district take place certain extension in length direction, leave white district because of not receiving the effect of roll-in and do not take place the extension in length direction, this border that just leads to coating district and leaving white district can appear the wave limit, the easy wrinkle that appears in leaving white district when passing the roller. Wrinkles on the battery pole piece can have great influence on the performance of the pole piece, so that the wrinkle removal of the battery pole piece is very important.
To the above-mentioned problem, chinese utility model patent that the publication number is CN207655638U discloses a battery sheet roll-in device, this roll-in device includes the roll, set up at the guide roll at roll rear and set up the draw at back guide roll rear and remove the wrinkle roller, draw and remove the wrinkle roller and can realize the wrinkle removal operation to battery sheet, draw and remove and be equipped with tension cut-off device between wrinkle roller and the roll, tension cut-off device is used for making the pole piece tension that is in tension cut-off device the place ahead be less than the pole piece tension that is in tension cut-off device rear, avoid removing wrinkle tension and extend to roll department and make the pole piece receive big tension when the roll-in and influence. Although the tension partition device can prevent the wrinkle removing tension from extending to the roller, the battery pole piece rolling device is only provided with the guide roller between the roller and the tension partition device, and the rolling tension applied to the pole piece cannot be adjusted. At the moment, if the rolling tension is large, the pole piece is easy to break when being rolled by a roller; if the rolling tension is small, the pole piece can not be rolled in the roller in the set shape and angle, so that the rolling effect is influenced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a pole piece roll-in equipment to solve among the prior art pole piece roll-in tension that receives at the roll-in-process is not adjustable and the technical problem who easily influences the roll-in effect.
In order to achieve the above object, the utility model provides a pole piece roll-in equipment's technical scheme is:
the pole piece rolling equipment comprises a rolling pair roller and a wrinkle removing device arranged at the upstream and/or downstream of the rolling pair roller, a tension isolating device is arranged between the wrinkle removing device and the rolling pair roller, a tension roller used for jacking the pole piece along the thickness direction of the pole piece to generate tension on the pole piece is arranged between the tension partition device and the rolling pair roller, the pole piece rolling equipment also comprises a driving mechanism used for driving the tension roller to act along the thickness direction of the pole piece so as to change the tension generated by the tension roller borne by the pole piece, a tension detection roller used for detecting the tension of the pole piece between the tension partition device and the rolling pair roller and a controller connected with the tension detection roller through signals, the controller is connected with the driving mechanism in a control mode and used for comparing the tension value detected by the tension detection roller with a tension set value and controlling the driving mechanism to act so as to keep the tension of the pole piece within the tension set value range.
The pole piece rolling equipment has the beneficial effects that: the pole piece rolling equipment separates the wrinkle removing device from the rolling pair roller through the tension separating device, so that the phenomenon that the wrinkle removing tension extends to the rolling pair roller to cause the pole piece to be broken due to larger tension when the pole piece is rolled by the rolling pair roller is avoided; on the basis, the pole piece rolling equipment detects the pole piece tension value between the tension partition device and the rolling pair roller in real time by arranging the tension detection roller, the controller compares the measured pole piece tension value with a set value, and adjusts the pole piece tension value between the partition device and the rolling pair roller in real time by controlling the action of the driving mechanism, so that the pole piece tension value is always in a set range, and the rolling effect cannot be influenced by overlarge or undersize rolling tension when the pole piece is rolled by the rolling pair roller.
Further, the driving mechanism is a linear driving mechanism which is used for driving the tension roller to move linearly along the thickness direction of the pole piece.
Has the advantages that: the driving mechanism is a linear driving mechanism, and the moving distance of the driving tension roller can be easily determined, so that the tension degree of the tension roller can be conveniently controlled.
Further, the linear driving mechanism comprises two driving units, and the two driving units respectively drive two ends of the tension roller to make the tension roller perform linear motion.
Has the advantages that: the two driving units can act synchronously, so that the movement of the tension roller is more stable.
The pole piece rolling equipment further comprises two force roller mounting supports which are arranged corresponding to two ends of the tension roller, the two force roller mounting supports are used for extending in parallel along the thickness direction of the pole piece, each tension roller mounting support is provided with a mounting seat which is guided and moved along the thickness direction of the pole piece, two ends of the tension roller are rotatably mounted on the corresponding mounting seats around the axis of the tension roller, the driving unit is a cylinder with a cylinder body fixedly arranged on the corresponding tension roller mounting support, and a telescopic rod of the cylinder is fixedly connected with the corresponding mounting seats.
Has the advantages that: the driving unit adopts the cylinder, is convenient for realize the tension roller along the ascending translation of pole piece thickness direction, and the both ends rotation of tension roller is installed on the mount pad, can rotate along with the delivery of pole piece.
Furthermore, a sliding seat is arranged on the mounting seat, a sliding rail is correspondingly arranged on the tension roller mounting bracket, and the mounting seat is arranged on the tension roller mounting bracket in a guiding and moving manner through the matching of the sliding seat and the sliding rail.
Further, the roll-in pair roller includes two main rollers along vertical interval arrangement, pole piece roll-in equipment still including the guide roll of locating the vertical both sides of pole piece with corresponding tension roll branch during the use, the contact point that is used for with the pole piece contact of guide roll and the contact point that is used for with the pole piece contact of corresponding main roller are located same level, the guide roll is close to the main roller setting of this side.
Has the advantages that: the guide roller and the tension roller are respectively arranged on the two vertical sides of the pole piece and can guide the pole piece, the contact point of the guide roller and the pole piece and the contact point of the main roller and the pole piece are positioned at the same horizontal height, so that the pole piece can horizontally enter the main roller for rolling, and the problems of belt breakage and rolling wrinkles caused by the fact that the pole piece enters the main roller due to too large angle are avoided.
The roll-in pair roller includes two main rolls along vertical interval arrangement, tension detection roller and corresponding tension roller are used for establishing respectively in the vertical both sides of pole piece, and the contact point that is used for with the pole piece contact of tension detection roller and the contact point that is used for with the pole piece contact of corresponding main roll are located same level, and tension detection roller is close to the main roll setting of this side.
Has the advantages that: the tension detection roller has the function of tension detection and also has the function of guiding the pole piece when entering the main roller, so that the problems of roll-in strip breakage and roll-in wrinkle caused by the fact that the pole piece enters the main roller at an overlarge angle are avoided.
Further, a tension isolating device arranged between the wrinkle removing device and the rolling pair roller is defined as a first tension isolating device, and a second tension isolating device is further arranged on one side, away from the rolling pair roller, of the wrinkle removing device of the pole piece rolling equipment.
Has the advantages that: a tension closed area is formed between the first tension isolating device and the second tension isolating device, the wrinkle removing device is located in the closed area and can isolate external tension, quantitative adjustment of wrinkle removing tension is facilitated, and adjustment precision and accuracy are high.
Drawings
Fig. 1 is a schematic view of a pole piece rolling device provided by the present invention;
fig. 2 is a perspective view of the pneumatic tension adjusting roller assembly in the pole piece rolling device according to the present invention;
fig. 3 is a front view of the pneumatic tension adjusting roller assembly in the pole piece rolling apparatus provided by the present invention;
fig. 4 is a schematic diagram of an upstream roll tension detecting roller assembly in the pole piece rolling device provided by the present invention (the downstream roll tension detecting roller assembly has the same structure as the upstream roll tension detecting roller assembly).
Description of reference numerals: 1-an upstream transition roll, 2-an upstream second tension cutoff roll; 3-upstream wrinkle removal tension adjusting roller, 4-upstream wrinkle removal tension detecting roller, 5-upstream first tension isolating roller, 6-upstream tension roller, 7-upstream rolling tension detecting roller, 8-upstream guide roller, 9-main roller, 10-downstream guide roller, 11-downstream rolling tension detecting roller, 12-downstream tension roller, 13-downstream first tension isolating roller, 14-downstream wrinkle removal tension detecting roller, 15-downstream wrinkle removal tension adjusting roller, 16-downstream second tension isolating roller, 17-downstream transition roller, 18-mounting seat, 19-air cylinder, 20-tension detector, 21-bearing, 22-slide rail, 23-tension detecting roller mounting bracket, 24-slide seat, 25-pole piece and 26-tension roller mounting bracket.
The arrows in fig. 1 indicate the direction of the pole pieces, and the left side of the rolling roller in fig. 1 is the upstream side of the rolling roller, and the right side of the rolling roller is the downstream side of the rolling roller.
Detailed Description
The following describes embodiments of the present invention with reference to the accompanying drawings.
The utility model provides a pole piece roll-in equipment's concrete embodiment, as shown in figure 1 and figure 2.
As shown in fig. 1, the pole piece rolling device includes an unwinding mechanism for releasing a pole piece, a winding mechanism for winding the pole piece, a rolling pair roller arranged between the unwinding mechanism and the winding mechanism, an upstream wrinkle removing device arranged upstream of the rolling pair roller, and a downstream wrinkle removing device arranged downstream of the rolling pair roller, wherein an upstream first tension isolating device is arranged between the upstream wrinkle removing device and the rolling pair roller, an upstream second tension isolating device is arranged on one side of the upstream wrinkle removing device away from the rolling pair roller, and an upstream tension device is arranged between the upstream first tension isolating device and the rolling pair roller; a downstream first tension isolating device is arranged between the downstream wrinkle removing device and the rolling roller pair, a downstream second tension isolating device is arranged on one side of the downstream wrinkle removing device, which is far away from the rolling roller pair, and a downstream rolling tensioning device is arranged between the downstream first tension isolating device and the rolling roller pair. The upstream wrinkle removing device and the downstream wrinkle removing device are similar in structure, the upstream first tension isolating device and the upstream second tension isolating device are the same in structure as the downstream first tension isolating device and the downstream second tension isolating device, the upstream rolling tensioning device and the downstream rolling tensioning device are the same in structure, and the structures of the upstream are mainly described below.
Specifically, the roll-in pair roller includes along two main rolls 9 of vertical interval arrangement, and the upper reaches remove the wrinkle device and be prior art, specifically can refer to the background art and authorize the wrinkle device that removes in the chinese utility model patent that the publication number is CN206272810U, and the upper reaches remove the wrinkle device can provide great stretching force for pole piece 25, make in the pole piece 25 coating district with leave white district and all take place certain extension, and then reduce the difference of the extension rate between coating district and the white district in the pole piece 25 behind the roll-in pair roller, reduce the fold degree. The upstream wrinkle removing device comprises an upstream wrinkle removing tension adjusting roller 3 and an upstream wrinkle removing tension detecting roller 4, and the upstream wrinkle removing tension detecting roller 4 can detect the magnitude of an actual value of the wrinkle removing tension in real time; the upstream wrinkle removal tension adjusting roller 3 can generate wrinkle removal tension on the pole piece 25, and the upstream wrinkle removal tension adjusting roller 3 can move under the driving of external force to change the wrinkle removal tension value, so that the actual value of the wrinkle removal tension is kept in a set range, and the phenomenon that the pole piece 25 is broken due to overlarge wrinkle removal tension or the wrinkle removal effect is poor due to insufficient wrinkle removal tension is avoided.
The upstream first tension isolating device comprises two upstream first tension isolating rollers 5, and the two upstream first tension isolating rollers 5 generate larger friction force to isolate the tension of the upstream first tension isolating rollers 5 and the downstream first tension isolating rollers, so that the wrinkle removing tension is prevented from extending to the main roller 9 to cause the pole piece 25 to be influenced by larger tension during rolling. The upstream second tension separation device comprises two upstream second tension separation rollers 2, and the two upstream second tension separation rollers 2 generate larger friction force so as to avoid the influence of an external structure such as an unreeling mechanism on wrinkle removing tension. The upstream first tension isolation roller 5 and the upstream second tension isolation roller 2 are identical in structure, a closed area is formed between the upstream first tension isolation roller 5 and the upstream second tension isolation roller 2, the wrinkle removing device is arranged in the closed area, external tension is completely isolated, quantitative adjustment is convenient to the wrinkle removing tension, the adjusting precision and accuracy are higher, and the wrinkle removing tension is always in a set range.
The upstream rolling tensioning device provides a smaller tensioning force for the main roller 9 to ensure that the main roller 9 is rolled smoothly, and specifically, as shown in fig. 1, 2 and 3, the upstream rolling tensioning device includes an upstream tension roller 6, and the upstream tension roller 6 can push the pole piece 25 along the thickness direction of the pole piece 25 to exert a tensioning force on the pole piece 25. The upstream rolling tensioning device further comprises two tension roller mounting brackets 26, the two tension roller mounting brackets 26 are used for extending in parallel along the thickness direction of the pole piece, slide rails 22 are fixed on the tension roller mounting brackets 26, slide rails 24 are assembled on the slide rails 22 in a guiding and moving mode, mounting seats 18 are fixed on the slide rails 24, and two ends of the upstream tension roller 6 are respectively rotatably assembled on the mounting seats 18 through bearings 21. The tension roller mounting bracket 26 is also provided with an air cylinder 19, the cylinder body of the air cylinder 19 is fixed on the tension roller mounting bracket 26, and the expansion link of the air cylinder 19 is fixed on the mounting seat 18.
In this embodiment, the air cylinder 19 forms a driving unit for driving the upstream tension roller 6 to linearly move in the thickness direction of the pole piece 25, the two driving units drive the two ends of the upstream tension roller 6 to linearly move respectively, and the two driving units together form a driving mechanism. In other embodiments, the air cylinder may be replaced by a hydraulic cylinder or an electric push rod or an electromagnetic push rod or other linkage mechanisms. The above-mentioned various structures can all drive the tension roller to move linearly, and in other embodiments, the drive mechanism may be a mechanism that drives the tension roller to swing along the thickness direction thereof, for example, a crank arm or the like is adopted.
In the present embodiment, a roll pressure tension detecting roller assembly is further disposed between the upstream tension roller 6 and the upstream guide roller 8, and the roll pressure tension detecting roller assembly is used to detect the magnitude of the tension in real time, specifically, as shown in fig. 1 and 4, the roll pressure tension detecting roller assembly includes two tension detecting roller mounting brackets 23, a tension detector 20 is fixed on each tension detecting roller mounting bracket 23, and the tension detector 20 in the present embodiment adopts a tension detector of mitsubishi LX-050 TD. Both ends of the upstream roll tension detecting roller 7 are fixed to the tension detector 20. When the tension detection device is used, the pole piece forms a wrap angle at the upstream rolling tension detection roller 7, and the upstream rolling tension detection roller 7 can detect a tension value in real time. In this embodiment, the upstream rolling tension detection roller 7 is located between the upstream tension roller 6 and the upstream guide roller 8, and is distributed on both sides of the pole piece with the upstream tension roller 6.
The pole piece rolling equipment further comprises a controller connected with the tension detector 20 through a wired signal or a wireless signal, the controller is in control connection with the air cylinder 19, after the controller receives a tension value detected by the tension detector 20, the tension value is compared with a tension set value, the air cylinder 19 is controlled to act, a telescopic rod of the air cylinder 19 is driven to linearly move along the thickness direction of the pole piece 25 so as to adjust the tension generated on the pole piece 25, the tension of the upstream tension roller 6 borne by the pole piece is always kept within the range of the tension set value, and therefore the phenomenon that the pole piece 25 is broken due to the fact that the rolling tension generated on the pole piece 25 by the main roller 9 is too large or the rolling effect is affected due to the fact that the. In this embodiment, the controller is a PLC controller.
The pole piece rolling equipment further comprises an upstream guide roller 8 arranged between the upstream rolling tension detection roller 7 and the main roller 9, the upstream guide roller 8 is arranged close to the main roller 9, and when the pole piece rolling equipment is used, the upstream rolling tension detection roller 7 and the upstream guide roller 8 are respectively arranged on two sides of a pole piece 10. In this embodiment, the upstream guide roller 8 is located on the upper side of the pole piece 25, and the upstream rolling tension detection roller 7 is located on the lower side of the pole piece 25, however, in other embodiments, the positions of the upstream guide roller 8 and the pole piece 25 may be reversed, however, regardless of how the upstream guide roller 8 and the pole piece 25 are arranged, the contact point of the upstream guide roller 8 and the pole piece 25 and the contact point of the main roller 9 and the pole piece 25 on the same side as the upstream guide roller 8 are located at the same horizontal height, so that the pole piece 25 horizontally enters between the two main rollers 9 for rolling, and the problems of belt breakage and rolling wrinkle of the pole piece 25 due to the fact that.
The downstream wrinkle removing device is used for avoiding poor extension effect of the pole lugs on the pole pieces under the action of the upstream wrinkle removing device, and specifically comprises a downstream wrinkle removing tension adjusting roller 15 and a downstream wrinkle removing tension detecting roller 14. The downstream rolling tensioning device comprises a downstream tension roller 12, a downstream guide roller 10 and a downstream rolling tension detection roller 11 are arranged between the downstream tension roller 12 and the main roller 9, the downstream first tension isolating device comprises a downstream first tension isolating roller 13 arranged between a downstream wrinkle removing tension adjusting roller 15 and the downstream tension roller 12, and the downstream second tension isolating device comprises two downstream second tension isolating rollers 16. The downstream wrinkle-removing tension adjusting roller 15 and the upstream wrinkle-removing tension adjusting roller 3 have the same structure, and the downstream wrinkle-removing tension detecting roller 14 and the upstream wrinkle-removing tension detecting roller 4 have the same structure; the downstream tension roller 12 and the upstream tension roller 6 have the same structure; the downstream rolling tension detection roller 11 and the upstream rolling tension detection roller 7 have the same structure; the structures of the downstream first tension cutoff roller 13 and the downstream second tension cutoff roller 16 are the same as those of the upstream first tension cutoff roller 5 and the upstream second tension cutoff roller 2, and are not described again.
The specific rolling process of the pole piece rolling equipment comprises the following steps: releasing the pole piece 25 through an unwinding mechanism, entering an upstream second tension separation roller 2 for tension separation after passing through an upstream transition roller 1, and achieving a wrinkle removing effect through an upstream wrinkle removing tension adjusting roller 3, wherein in the wrinkle removing process, an upstream wrinkle removing tension detecting roller 4 detects the magnitude of wrinkle removing tension and forms a closed wrinkle removing system with the upstream wrinkle removing tension adjusting roller 3, so that the wrinkle removing tension is always in a set value range; then an upstream first tension isolating roller 5 is used for isolating wrinkle removing tension, the controller is used for controlling the cylinder 19 to act, so that the telescopic rod of the cylinder 19 drives the upstream tension roller 6 to act upwards to adjust the tension generated on the pole piece 25, the tension detector 20 is used for detecting rolling tension in real time, and the actual value of the rolling tension is ensured to be within a set value range; then, the pole piece 25 horizontally enters a main roller 9 through an upstream guide roller 8 for rolling; after exiting the main roller 9, the rolled sheet enters a downstream rolling tensioning device and a downstream wrinkle removing device in the same way, and the corresponding tension is controlled, so that the phenomenon of belt breakage before and after the rolling of the pole piece is prevented; and enters a winding mechanism through a downstream transition roller 17 for winding.
In the above embodiments, the wrinkle removing devices are provided both upstream and downstream of the main roller, and in other embodiments, in the case where the effect can be obtained by one-time wrinkle removal, the wrinkle removing devices may be provided only upstream of the main roller or only downstream of the main roller.
In the above embodiment, the tension isolating devices are arranged on both the side of the wrinkle removing device facing the main roller and the side of the wrinkle removing device facing away from the main roller to better control the wrinkle removing tension, and in other embodiments, the tension isolating devices can be arranged only on the side of the wrinkle removing device facing the main roller, so that the wrinkle removing device is suitable for occasions where the external tension has little influence on the wrinkle removing tension.
In the above embodiment, the mount pad is installed on the tension roller installing support through slide and slide rail complex mode, and in other embodiments, can set up the spout on the tension roller installing support, fixed slider on the mount pad realizes the direction removal installation of mount pad through the cooperation of slider and spout.
In the above embodiment, the guide roller has a function of guiding the pole piece to enter the main roller at a set angle, and in order to implement this function, in other embodiments, the guide roller may be eliminated, the pole piece is guided by the tension detection roller, the tension detection roller and the tension adjustment roller are respectively disposed at both sides of the pole piece, and the contact point of the tension detection roller and the pole piece and the contact point of the main roller and the pole piece are at the same level. The tension detection roller has the function of tension detection and also has the function of guiding the pole piece. In order to form a wrap angle of the pole piece at the tension detection roller, the tension adjusting roller needs to press the pole piece towards the direction of the tension detection roller, so that the pole piece is bent upwards.
Claims (8)
1. Pole piece roll-in equipment, including the roll-in pair roller and locate the roll-in pair roller upper reaches and/or the wrinkle removal device in low reaches, be equipped with tension wall device between wrinkle removal device and the roll-in pair roller, its characterized in that: the pole piece rolling equipment further comprises a driving mechanism, a tension detection roller and a controller, wherein the driving mechanism is used for driving the tension roller to move along the thickness direction of the pole piece so as to change the tension generated by the tension roller applied to the pole piece, the tension detection roller is used for detecting the tension of the pole piece between the tension partition device and the rolling pair roller, the controller is in signal connection with the tension detection roller, the controller is in control connection with the driving mechanism, and is used for comparing the tension value detected by the tension detection roller with a tension set value and controlling the driving mechanism to move so as to keep the tension of the pole piece within the range of the tension set value.
2. The pole piece rolling apparatus of claim 1, wherein: the driving mechanism is a linear driving mechanism for driving the tension roller to linearly move along the thickness direction of the pole piece.
3. The pole piece rolling apparatus of claim 2, wherein: the linear driving mechanism comprises two driving units, and the two driving units respectively drive two ends of the tension roller to make the tension roller perform linear motion.
4. The pole piece rolling apparatus of claim 3, wherein: the pole piece rolling equipment comprises two force roller mounting supports which are arranged corresponding to two ends of a tension roller, the two force roller mounting supports are used for extending in parallel along the thickness direction of a pole piece, each tension roller mounting support is provided with a mounting seat in a guiding and moving mode along the thickness direction of the pole piece, two ends of the tension roller are rotatably mounted on the corresponding mounting seats around the axis of the tension roller, a driving unit is a cylinder, the cylinder body is fixedly arranged on the corresponding tension roller mounting support, and a telescopic rod of the cylinder is fixedly connected with the corresponding mounting seats.
5. The pole piece rolling apparatus of claim 4, wherein: the installation seat is provided with a sliding seat, the tension roller installation support is correspondingly provided with a sliding rail, and the installation seat is arranged on the tension roller installation support in a guiding and moving manner through the matching of the sliding seat and the sliding rail.
6. The pole piece rolling apparatus of any one of claims 1 to 5, wherein: the rolling pair roller comprises two main rollers which are arranged at intervals along the vertical direction, the pole piece rolling equipment further comprises guide rollers which are respectively arranged on the two vertical sides of the pole piece with the corresponding tension rollers when in use, contact points of the guide rollers, which are used for contacting with the pole piece, and contact points of the corresponding main rollers, which are used for contacting with the pole piece, are positioned at the same horizontal height, and the guide rollers are arranged close to the main rollers on the side.
7. The pole piece rolling apparatus of any one of claims 1 to 5, wherein: the roll-in pair roller includes two main rolls along vertical interval arrangement, tension detection roller and corresponding tension roller are used for establishing respectively in the vertical both sides of pole piece, and the contact point that is used for with the pole piece contact of tension detection roller and the contact point that is used for with the pole piece contact of corresponding main roll are located same level, and tension detection roller is close to the main roll setting of this side.
8. The pole piece rolling apparatus of any one of claims 1 to 4, wherein: and defining a tension isolating device arranged between the wrinkle removing device and the rolling pair roller as a first tension isolating device, and arranging a second tension isolating device on one side of the wrinkle removing device, which is far away from the rolling pair roller, of the pole piece rolling equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921084351.XU CN210607457U (en) | 2019-07-11 | 2019-07-11 | Pole piece rolling equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921084351.XU CN210607457U (en) | 2019-07-11 | 2019-07-11 | Pole piece rolling equipment |
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| Publication Number | Publication Date |
|---|---|
| CN210607457U true CN210607457U (en) | 2020-05-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921084351.XU Active CN210607457U (en) | 2019-07-11 | 2019-07-11 | Pole piece rolling equipment |
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| Country | Link |
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| CN (1) | CN210607457U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111900324A (en) * | 2020-07-17 | 2020-11-06 | 合肥国轩高科动力能源有限公司 | Lithium battery pole piece rolling device |
| CN113843289A (en) * | 2021-10-11 | 2021-12-28 | 邢台德谨精密机械制造有限公司 | Powder forming and compacting integrated machine |
-
2019
- 2019-07-11 CN CN201921084351.XU patent/CN210607457U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111900324A (en) * | 2020-07-17 | 2020-11-06 | 合肥国轩高科动力能源有限公司 | Lithium battery pole piece rolling device |
| CN113843289A (en) * | 2021-10-11 | 2021-12-28 | 邢台德谨精密机械制造有限公司 | Powder forming and compacting integrated machine |
| CN113843289B (en) * | 2021-10-11 | 2023-12-08 | 邢台德谨精密机械制造有限公司 | Powder forming and compacting integrated machine |
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