CN215159468U - Pole piece unwinding device with function of rectifying - Google Patents
Pole piece unwinding device with function of rectifying Download PDFInfo
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- CN215159468U CN215159468U CN202120674058.XU CN202120674058U CN215159468U CN 215159468 U CN215159468 U CN 215159468U CN 202120674058 U CN202120674058 U CN 202120674058U CN 215159468 U CN215159468 U CN 215159468U
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- pole piece
- tensioning
- unwinding device
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- deviation rectifying
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- 238000004804 winding Methods 0.000 abstract description 14
- 238000000034 method Methods 0.000 abstract description 5
- 230000008569 process Effects 0.000 abstract description 5
- 239000000463 material Substances 0.000 abstract description 4
- 230000001360 synchronised effect Effects 0.000 description 22
- 238000005096 rolling process Methods 0.000 description 5
- 230000009471 action Effects 0.000 description 3
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- 230000008602 contraction Effects 0.000 description 3
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- 239000003638 chemical reducing agent Substances 0.000 description 2
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Abstract
The utility model discloses a pole piece unwinding device with function of rectifying, including linkage bracket component, the tight mechanism that rises that is used for rising/unclamping pole piece coil stock, the mechanism of rectifying that is used for driving tight mechanism pivoted rotary power mechanism that rises and is used for carrying out the displacement to tight mechanism that rises, tight mechanism and rotary power mechanism slide to set up on linkage bracket component, rectify the mechanism and fix and set up in linkage bracket component, rectify the output of mechanism and rise and tightly the mechanism connection; in the rotation process of the tensioning mechanism of the pole piece unwinding device, the deviation correcting mechanism can adjust the stretching position of the tensioning mechanism in real time, so that stable winding or unwinding operation of a pole piece coil material is realized, and the stability of winding pole pieces is improved.
Description
Technical Field
The utility model relates to a lithium cell preparation technical field especially relates to a pole piece unwinding device with function of rectifying.
Background
The current national support for the lithium battery industry policy makes the competition between various batteries increasingly stronger. Along with the increase of the demand of power batteries, more and more pole piece mechanisms for manufacturing the battery core are provided, the pole piece mechanisms are used for various battery pole piece mechanisms, and the improvement and the lifting of the roller sorting equipment are different days and months. However, the unwinding mechanisms of the existing winding devices are different, and the structural complexity of the unwinding mechanisms leads to the stability of the winding pole piece.
SUMMERY OF THE UTILITY MODEL
Based on the technical problem that the background art exists, the utility model provides a pole piece unwinding device with function of rectifying can carry out the position adjustment that stretches out and draws back to tight mechanism that rises in real time, has improved the stability of rolling pole piece.
The utility model provides a pole piece unwinding device with function of rectifying, including linkage bracket component, be used for rising the tension/loosen the tight mechanism that rises of pole piece coil stock, be used for driving tight mechanism pivoted rotary power mechanism that rises and be used for carrying out the mechanism of rectifying of displacement to the tight mechanism that rises, tight mechanism that rises and rotary power mechanism slide and set up on linkage bracket component, the mechanism of rectifying is fixed to be set up in linkage bracket component, and the output of the mechanism of rectifying is connected with the tight mechanism that rises.
Furthermore, the tensioning mechanism comprises a tensioning shaft, a first synchronizing wheel, a first bearing seat, a tensioning cylinder and a rotary connector, wherein at least one roller surface tensioning piece is arranged on the periphery of one end of the tensioning shaft, and the other end of the tensioning shaft penetrates through the first synchronizing wheel and the first bearing seat in sequence and is connected to the output end of the tensioning cylinder through the rotary connector.
Furthermore, the rotating power mechanism comprises a rotating motor and a second synchronous wheel, the output end of the rotating motor is connected with the second synchronous wheel, and the first synchronous wheel is connected with the second synchronous wheel through a synchronous belt.
Furthermore, the deviation correcting mechanism comprises a deviation correcting motor, a lead screw, a guide rail and a support plate, the deviation correcting motor and the guide rail are fixedly arranged on the support plate, and one end of the lead screw is connected to the output end of the deviation correcting motor, and the other end of the lead screw is fixedly connected with the linkage support assembly.
Further, the pole piece unwinding device further comprises an auxiliary roller assembly for carrying out auxiliary conveying on the pole piece.
Further, the auxiliary roller assembly comprises a smoothing roller and an auxiliary bearing sleeve, and the auxiliary bearing sleeve is arranged on the smoothing roller in a sleeved mode.
Further, linkage bracket component includes guide rail frame, first connecting plate and second connecting plate, the one end and the first bearing seat butt of guide rail frame, the other end and guide rail sliding connection, the one end and the first bearing seat of first connecting plate are connected, the other end and second connecting plate fixed connection, the one end of keeping away from first connecting plate of second connecting plate and the one end fixed connection who smooths the roller.
Furthermore, the tensioning mechanism further comprises a second bearing seat arranged on one side of the first synchronous wheel, the rotating power mechanism further comprises a motor fixing plate used for fixing the motor, and the synchronous supporting plate is respectively and fixedly connected with the second bearing seat, the auxiliary bearing sleeve and the motor fixing plate.
The utility model provides a pair of pole piece unwinding device with function of rectifying's advantage lies in: the utility model provides a pole piece unwinding device with function of rectifying in the structure, tension mechanism is in the rotation process, and the mechanism of rectifying can carry out the adjustment of flexible position to tension mechanism in real time to realize the stable rolling or the operation of unreeling of pole piece coil stock, improved the stability of rolling pole piece; the linkage bracket assembly connects the tensioning mechanism and the auxiliary roller assembly into a whole to be fixed, so that synchronous deviation rectifying operation of the tensioning mechanism and the auxiliary roller assembly is realized; the arrangement of the roller surface expansion sheet can stably fix the pole piece.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a structure with a support plate;
wherein, 1-linkage bracket component, 2-tensioning mechanism, 3-rotating power mechanism, 4-deviation correcting mechanism, 5-auxiliary roller component, 6-supporting plate, 11-guide rail frame, 12-first connecting plate, 13-second connecting plate,
21-a tensioning shaft, 22-a first synchronous wheel, 23-a first bearing seat, 24-a tensioning cylinder, 25-a rotary connector, 26-a second bearing seat, 31-a rotary motor, 32-a second synchronous wheel, 33-a synchronous belt, 34-a motor fixing plate, 35-a speed reducer, 41-a deviation correction motor, 42-a lead screw, 43-a guide rail, 51-a smoothing roller, 52-an auxiliary bearing sleeve and 211-a roller surface expansion sheet.
Detailed Description
The technical solutions of the present invention are explained in detail below with reference to specific embodiments, and many specific details are set forth in the following description to provide a thorough understanding of the present invention. The present invention can be embodied in many other forms than those specifically described herein, and it will be apparent to those skilled in the art that similar modifications can be made without departing from the spirit and scope of the invention.
As shown in fig. 1 and 2, the utility model provides a pole piece unwinding device with function of rectifying, including linkage bracket component 1, be used for rising and tightly/loosen the tight mechanism 2 that rises of pole piece coil stock, be used for driving tight mechanism 2 pivoted rotary power mechanism 3 that rises and be used for carrying out the mechanism 4 of rectifying of displacement to tight mechanism 2 that rises, tight mechanism 2 and rotary power mechanism 3 slide and set up on linkage bracket component 1, rectify that mechanism 4 is fixed to be set up in linkage bracket component 1, rectify that the output of mechanism 4 is connected with tight mechanism 2 that rises.
The tensioning mechanism 2 is used for tensioning or loosening the pole piece coil stock, and after the pole piece coil stock is fixed by the tensioning mechanism 2, the tensioning mechanism 2 is driven to rotate by the rotary power mechanism 3, so that the winding or unwinding operation of the pole piece coil stock is realized. In the rotation process of the tensioning mechanism 2, the deviation correcting mechanism 4 can adjust the telescopic position of the tensioning mechanism 2 in real time, so that stable winding or unwinding operation of the pole piece coil stock is realized, and the stability of the wound pole piece is improved.
In this embodiment, the tensioning mechanism 2 includes a tensioning shaft 21, a first synchronizing wheel 22, a first bearing seat 23, a tensioning cylinder 24, and a rotary connector 25, at least one roller surface tensioning sheet 211 is disposed on an outer periphery of one end of the tensioning shaft 21, and the other end of the tensioning shaft 21 sequentially passes through the first synchronizing wheel 22 and the first bearing seat 23 and then is connected to an output end of the tensioning cylinder 24 through the rotary connector 25.
The setting of the roll surface expansion sheet 211 can realize expansion or contraction through the extension or contraction of the expansion cylinder 24, when the roll surface expansion sheet 211 is expanded, the pole piece coil stock can be arranged on the expansion shaft 21 through winding, then the pole piece coil stock attached on the expansion shaft 21 is fixed through the contraction of the expansion sheet 211, so that one end of the pole piece coil stock is stably fixed, in order to improve the fixing stability of the pole piece coil stock, the roll surface expansion sheet 211 can be two, three or more, in the application, three roll surface expansion sheets 211 are arranged, and are uniformly arranged on the expansion shaft 21.
For the driving rotation of the tensioning shaft 21, the rotating power mechanism 3 includes a rotating motor 31 and a second synchronous wheel 32, an output end of the rotating motor 31 is connected with the second synchronous wheel 32, and the first synchronous wheel 22 is connected with the second synchronous wheel 32 through a synchronous belt 33.
This application passes through the mode of hold-in range conveying, realizes the rotation of the 3 drive tight axles 21 of rotary power mechanism to the rolling of realization saw bit coil stock or the action of unreeling, nevertheless do not get rid of and carry out the transmission through the driven mode of gear engagement, be about to first synchronizing wheel 22, second synchronizing wheel 32 respectively through the gear replacement, omit hold-in range 33, transmit power to tight axle 21 through gear engagement.
In this embodiment, the pole piece unwinding device further includes an auxiliary roller assembly 5 for auxiliary conveying of the pole piece; the auxiliary roller assembly 5 comprises a smoothing roller 51 and an auxiliary bearing sleeve 52, wherein the auxiliary bearing sleeve 52 is sleeved on the smoothing roller 51. The flattening roller 51 is arranged to flatten the pole piece coil stock entering the tensioning shaft 21 on the one hand, so as to avoid the defect that the pole piece coil stock on the winding surface of the tensioning shaft 21 is uneven due to the problems of wrinkles and the like of the pole piece coil stock entering the tensioning shaft 21, so that the use quality of the subsequent pole piece coil stock is damaged; on the other hand, the pole piece coil material discharged from the tension shaft 21 is smoothed, so that the original curled pole piece coil material tends to be flat, and the subsequent pole piece coil material is effectively used.
In the process of flattening the pole piece by the aid of the auxiliary roller assembly 5, if the tensioning mechanism 2 performs position correction through the correction mechanism 4, the position of the auxiliary roller assembly 5 needs to be correspondingly and synchronously corrected, otherwise, the pole piece is wrinkled in the transmission process of the pole piece, and therefore the tensioning mechanism 2 and the auxiliary roller assembly 5 are connected and fixed into a whole by the linkage support assembly 1.
Linkage bracket component 1 includes guide rail frame 11, first connecting plate 12 and second connecting plate 13, and the one end and the first bearing frame 23 butt of guide rail frame 11, the other end and guide rail 43 sliding connection, the one end and the first bearing frame 23 of first connecting plate 12 are connected, the other end and second connecting plate 13 fixed connection, second connecting plate 13 is keeping away from the one end of first connecting plate 12 and the one end fixed connection of smoothing roller 51.
The deviation rectifying mechanism 4 comprises a deviation rectifying motor 41, a screw rod 42, a guide rail 43 and a support plate 44, the deviation rectifying motor 41 and the guide rail 43 are fixedly arranged on the support plate 44, one end of the screw rod 42 is connected to the output end of the deviation rectifying motor 41, and the other end of the screw rod is fixedly connected with the linkage support assembly 1.
The tensioning mechanism 2 further comprises a second bearing seat 26 arranged on one side of the first synchronous wheel 22, the rotary power mechanism 3 further comprises a motor fixing plate 34 used for fixing a motor, and the synchronous supporting plate 6 is fixedly connected with the second bearing seat 26, the auxiliary bearing sleeve 52 and the motor fixing plate 34 respectively. When the deviation rectifying mechanism 4 performs displacement deviation rectifying movement, in order to ensure the movement synchronism of the tensioning mechanism 2, the rotary power mechanism 3 and the auxiliary roller assembly 5, the second bearing seat 26, the auxiliary bearing sleeve 52 and the motor fixing plate 34 are fixed through the synchronous supporting plate 6, so as to realize the effective unwinding/winding operation of the final pole piece.
The working process is as follows: the battery winding equipment is also required to adjust the smoothness of the surface of the pole piece when unwinding/winding the pole piece so as to prevent the phenomenon of uneven unwinding/winding of the pole piece; the following description takes rolling as an example: the supplied pole piece is arranged on the tensioning shaft 21 in a winding manner through a winding drum, the tensioning cylinder 24 pulls the rotary connector 25, and the rotary connector 25 pulls the tensioning shaft 21 to enable the roller surface tensioning piece 211 on the shaft to tension one end of the pole piece coil, so that the pole piece coil is prevented from slipping. Then the rotating motor 31 drives the speed reducer 35 and the second synchronous pulley 32 to transmit power to the first synchronous pulley 22 through the synchronous belt 33, so that the tension shaft 21 starts to rotate. The walking belt of the pole piece passes through the smoothing roller 51, the deviation rectification pace of the smoothing roller 51 and the tension shaft 21 is consistent, otherwise, the surface of the pole piece can be wrinkled in the transmission process of the pole piece, so the linkage support assembly 1 connects the pole piece and the tension shaft into a whole, under the action of the deviation rectification mechanism 4, the rotary power is converted into the power of transverse movement through the screw rod 42, the whole axial transverse displacement drives the pole piece coil stock to be regulated in the pole piece unreeling/reeling stroke under the action of the guide rail 43, and the pole piece single face of the initial pole piece unreeling stroke and the pole piece single face in the stroke are kept on a straight plane in real time.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (8)
1. The utility model provides a pole piece unwinding device with function of rectifying, a serial communication port, including linkage bracket assembly (1), be used for rising/loosen the tight mechanism (2) that rises of pole piece coil stock, be used for driving tight mechanism (2) pivoted rotary power mechanism (3) that rises and be used for carrying out deviation correcting mechanism (4) of displacement to tight mechanism (2) that rises, tight mechanism (2) and rotary power mechanism (3) slide and set up on linkage bracket assembly (1) that rise, deviation correcting mechanism (4) are fixed to be set up in linkage bracket assembly (1), the output and the tight mechanism (2) that rises of deviation correcting mechanism (4) are connected.
2. The pole piece unreeling device with the deviation rectifying function as claimed in claim 1, wherein the tensioning mechanism (2) comprises a tensioning shaft (21), a first synchronizing wheel (22), a first bearing seat (23), a tensioning cylinder (24) and a rotary connector (25), at least one roll surface tensioning piece (211) is arranged on the periphery of one end of the tensioning shaft (21), and the other end of the tensioning shaft (21) sequentially penetrates through the first synchronizing wheel (22) and the first bearing seat (23) and then is connected to the output end of the tensioning cylinder (24) through the rotary connector (25).
3. The pole piece unwinding device with the deviation rectifying function as claimed in claim 2, wherein the rotating power mechanism (3) comprises a rotating motor (31) and a second synchronizing wheel (32), an output end of the rotating motor (31) is connected with the second synchronizing wheel (32), and the first synchronizing wheel (22) is connected with the second synchronizing wheel (32) through a synchronizing belt (33).
4. The pole piece unwinding device with the deviation rectifying function as claimed in claim 3, wherein the deviation rectifying mechanism (4) comprises a deviation rectifying motor (41), a lead screw (42), a guide rail (43) and a support plate (44), the deviation rectifying motor (41) and the guide rail (43) are fixedly arranged on the support plate (44), one end of the lead screw (42) is connected to the output end of the deviation rectifying motor (41), and the other end of the lead screw is fixedly connected with the linkage support assembly (1).
5. The pole piece unwinding device with the function of deviation rectification according to any one of claims 1 to 4, characterized in that the pole piece unwinding device further comprises an auxiliary roller assembly (5) for auxiliary conveying of the pole piece.
6. The pole piece unwinding device with the deviation rectifying function as claimed in claim 5, wherein the auxiliary roller assembly (5) comprises a smoothing roller (51) and an auxiliary bearing sleeve (52), and the auxiliary bearing sleeve (52) is disposed on the smoothing roller (51) in a sleeved manner.
7. The pole piece unwinding device with the deviation rectifying function as claimed in claim 6, wherein the linkage bracket assembly (1) comprises a guide rail frame (11), a first connecting plate (12) and a second connecting plate (13), one end of the guide rail frame (11) abuts against the first bearing seat (23), the other end of the guide rail frame (11) is slidably connected with the guide rail (43), one end of the first connecting plate (12) is connected with the first bearing seat (23), the other end of the first connecting plate is fixedly connected with the second connecting plate (13), and one end of the second connecting plate (13) far away from the first connecting plate (12) is fixedly connected with one end of the leveling roller (51).
8. The pole piece unwinding device with the deviation rectifying function as claimed in claim 7, wherein the tensioning mechanism (2) further comprises a second bearing seat (26) disposed on one side of the first synchronizing wheel (22), the rotating power mechanism (3) further comprises a motor fixing plate (34) for fixing a motor, and the synchronizing support plate (6) is respectively and fixedly connected with the second bearing seat (26), the auxiliary bearing sleeve (52) and the motor fixing plate (34).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120674058.XU CN215159468U (en) | 2021-03-31 | 2021-03-31 | Pole piece unwinding device with function of rectifying |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120674058.XU CN215159468U (en) | 2021-03-31 | 2021-03-31 | Pole piece unwinding device with function of rectifying |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215159468U true CN215159468U (en) | 2021-12-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120674058.XU Active CN215159468U (en) | 2021-03-31 | 2021-03-31 | Pole piece unwinding device with function of rectifying |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215159468U (en) |
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2021
- 2021-03-31 CN CN202120674058.XU patent/CN215159468U/en active Active
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