CN219292387U - Lug calender for battery pole piece - Google Patents
Lug calender for battery pole piece Download PDFInfo
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- CN219292387U CN219292387U CN202320362953.7U CN202320362953U CN219292387U CN 219292387 U CN219292387 U CN 219292387U CN 202320362953 U CN202320362953 U CN 202320362953U CN 219292387 U CN219292387 U CN 219292387U
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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 belongs to the technical field of battery production, and particularly relates to a tab calender of a battery pole piece, which comprises a front tension partition assembly, a calendering assembly and a rear swing roller assembly, wherein the front tension partition assembly comprises a front guide roller, a compression roller, a steel roller, a front swing roller and a tension roller; according to the utility model, the front tension partition assembly is utilized to provide stable tension for the calendaring assembly, the longitudinal moving mechanism drives the calendaring wheel to longitudinally move to adjust the rolling pressure, and the transverse moving mechanism drives the calendaring wheel to transversely move to different positions to roll, so that the situation that the foil is broken in the subsequent production process due to the fact that the thickness of the rolled pole piece is uneven can be effectively reduced, and therefore, the material is saved and the production efficiency is improved.
Description
Technical Field
The utility model belongs to the technical field of battery production, and particularly relates to a lug calender for a battery pole piece.
Background
In the daily battery pole piece roll-in process, the foil after the roll-in is in the foil of roll both ends department and is liable to appear the fold phenomenon, and pinhole, breach and the fine defect such as burr on the foil take place to break the area and cause the material waste and lead to productivity loss after the roll-in, in order to solve the fold that produces because of being in the juncture of roll-in and not roll-in and the fine defect on the foil is liable to lead to the broken area after the roll-in, thereby the design is rolled in this specific scope through the mechanism so that this part foil obtains extending, in order to repair the surface fold that this position appears, and reduce the foil atress that has the fine defect, thereby avoid the emergence of broken area condition, make pole piece roll-in process can continuous stable operation.
Disclosure of Invention
The utility model aims to solve the technical problems that: in order to solve the problems that the rolled foil is easy to wrinkle at two ends of a roller and is easy to break to cause material waste and reduce productivity in the prior art, the lug calender for the battery pole piece is provided.
In order to solve the technical problems, the utility model adopts the following technical scheme: a lug calender of a battery pole piece comprises a front tension partition assembly, a calendering assembly and a rear swing roller assembly which are sequentially arranged along the conveying direction of a foil;
the front tension partition assembly comprises a front guide roller, a press roller, a steel roller, a front swinging roller and a tension roller, a gap for a foil to pass through is reserved between the steel roller and the press roller, the steel roller is powered by a driving motor, and a tension sensor is arranged on the tension roller;
the pole piece enters between the compression roller and the steel roller through the front guide roller, the compression roller and the steel roller cut off external tension and speed, the pole piece then enters the calendaring assembly through the front swing roller and the tension roller, the front swing roller realizes small swing (the angle range is +/-15 degrees) through the extension and contraction of a cylinder piston rod, a tension sensor on the tension roller detects the tension of the roller surface, information is transmitted to the PLC, and then the PLC program controls the cylinder of the front swing roller to perform corresponding actions to realize tension adjustment.
The rolling assembly comprises a rolling wheel, a driving roller, a transverse moving mechanism for driving the rolling wheel to transversely move and a longitudinal moving mechanism for driving the rolling wheel to longitudinally move, a gap for a foil to pass through is reserved between the driving roller and the rolling wheel, the output end of the driving motor is in transmission connection with a speed reducer, and the output end of the speed reducer is connected with the driving roller through a plum blossom coupling, so that power is provided for the driving roller;
the longitudinal moving mechanism drives the calendaring wheel to longitudinally move to adjust the gap between the calendaring wheel and the driving roller, so that the pressure on the pole piece is adjusted, and the transverse moving mechanism drives the calendaring wheel to transversely move to roll in different positions, so that the pole piece is prevented from being wrinkled along the two ends of the pole piece in the width direction, and the thickness uniformity of the pole piece is ensured.
The rear swing roller assembly mechanism comprises a rear swing roller and a rear guide roller, and the rear swing roller realizes small swing through the extension and contraction of a cylinder piston rod.
According to the technical scheme, the front tension partition assembly is used for partitioning external tension and speed, tension and speed are provided for subsequent normal operation, the partitioned pole piece reaches the rolling assembly with specific speed and tension, the transverse position of the rolling wheel is regulated through the transverse moving mechanism, the gap between the rolling wheel and the driving roller is regulated through the longitudinal moving mechanism, the pole piece is rolled between the rolling wheel and the driving roller, and then the pole piece is output through the rear swing roller assembly; the front tension partition assembly provides stable tension for the rolling assembly, the longitudinal moving mechanism drives the rolling wheel to longitudinally move to adjust rolling pressure, the transverse moving mechanism drives the rolling wheel to transversely move to different positions to roll, and the situation that the foil is broken in the subsequent production process due to the fact that folds are generated due to uneven thickness of the rolled pole piece can be effectively reduced, so that materials are saved, and production efficiency is improved.
Further, an adjusting device for adjusting a gap between the steel roller and the compression roller is arranged between the steel roller and the compression roller.
Further, the adjusting device comprises a rough adjusting mechanism, a fine adjusting mechanism and a connecting rod, the rough adjusting mechanism comprises a rough adjusting cylinder, the output end of the rough adjusting cylinder is connected with a roll shaft of the press roll through the connecting plate, the rough adjusting cylinder is positioned below the press roll and applies upward acting force to the press roll, the connecting plate is driven to lift through the expansion and contraction of the expansion end of the rough adjusting cylinder, and accordingly the press roll is driven to lift to realize rough adjustment of a gap between the steel rod and the press roll; the fine adjustment structure comprises a handle, a screw rod is connected to the handle, an adjusting block is connected to the screw rod in a threaded manner, a sliding groove is formed in the box body, the adjusting block is slidably mounted in the sliding groove, the bottom of the adjusting block is an inclined surface, one end of a connecting rod is connected with the connecting plate, the other end of the connecting rod is located below the adjusting block and is abutted to the bottom of the adjusting block, the adjusting block applies downward acting force to the connecting rod, and the different positions of the inclined bottom surface of the adjusting block are different from the downward pressure generated when the connecting rod is abutted to the different positions, so that the connecting plate and the compression roller can be driven to descend to different positions; the handle is rotated, the screw rod rotates along with the handle, the adjusting block is driven to move back and forth in the box body, the connecting rod is pressed down by the adjusting block, the connecting rod drives the connecting plate and the compression roller to descend to a preset position, and fine adjustment of the gap between the steel roller and the compression roller is achieved.
Further, a supporting roller is arranged above the driving roller, and the diameter of the supporting roller is larger than that of the driving roller so as to provide protection for the driving roller and prevent the driving roller from deforming.
Further, the calendaring assembly further comprises two adjustable rollers which are respectively arranged on two sides of the calendaring wheel, one of the adjustable rollers is arranged between the calendaring wheel and the tension roller, the other adjustable roller is arranged between the calendaring wheel and the rear swinging roller, and the relative height of the adjustable rollers is adjusted through an adjusting screw.
Further, the transverse moving mechanism comprises a positioning motor and a ball screw pair, a support is arranged on the ball screw pair, and the calendaring wheel is arranged on the support; the positioning motor is started to drive rolling bodies in the ball screw pair to rotate, and the screw is fixed, so that the calendaring wheels on the support are driven to move forwards and backwards.
Furthermore, the number of the rolling wheels is several, each rolling wheel is correspondingly provided with a positioning motor and a support, and the several supports are arranged on the same screw rod; any one or more positioning motors can be started as required to drive the corresponding calendaring wheels to move forwards and backwards.
Further, the calendaring assembly is arranged on the frame, a sliding rail is arranged on the frame, a sliding block matched with the sliding rail is arranged on the support, and the sliding block is in sliding connection with the sliding rail to ensure the stability of the calendaring wheel in the transverse moving process.
Further, the longitudinal moving mechanism comprises oil cylinders, the output ends of the oil cylinders are connected with the calendaring wheels, a plurality of oil cylinders are in one-to-one correspondence with a plurality of calendaring wheels, and longitudinal movement of the calendaring wheels can be achieved by controlling the extension and retraction of the output ends of the oil cylinders, so that gaps between the calendaring wheels and the driving rollers are adjusted.
The utility model has the beneficial effects that: according to the utility model, the front tension partition assembly is utilized to provide stable tension for the calendaring assembly, the longitudinal moving mechanism drives the calendaring wheel to longitudinally move to adjust the rolling pressure, and the transverse moving mechanism drives the calendaring wheel to transversely move to different positions to roll, so that the situation that the foil is broken in the subsequent production process due to the fact that the thickness of the rolled pole piece is uneven can be effectively reduced, and therefore, the material is saved and the production efficiency is improved.
Drawings
The utility model will be further described with reference to the drawings and examples.
FIG. 1 is a schematic view of a first view of the present utility model;
FIG. 2 is a schematic diagram of the structure of the second view angle of the present utility model;
FIG. 3 is a schematic diagram of the foil transport of the present utility model;
FIG. 4 is a schematic view of a traversing mechanism and a longitudinally moving mechanism according to a first view angle;
FIG. 5 is a schematic view of a traversing mechanism and a longitudinally moving mechanism according to a second view angle;
FIG. 6 is a schematic view of the structure of the adjustment device in the front tension block assembly of the present utility model;
in the figure:
1. a front tension isolating assembly; 101. a front guide roller; 102. a steel roller; 103. a press roller; 104. a front swing roller; 105. a tension roller; 106. a coarse adjustment cylinder; 107. a connecting plate; 108. a handle; 109. a screw rod; 110. an adjusting block; 111. a connecting rod; 112. a case;
2. a calendaring assembly; 201. a calender wheel; 202. a drive roll; 203. a support roller; 204. an adjustable roller; 205. positioning a motor; 206. a ball screw pair; 207. a support; 208. a frame; 209. a slide rail; 210. a slide block; 211. an oil cylinder;
3. a rear swing roller assembly; 301. a rear swing roller; 302. and a rear guide roller.
Detailed Description
The utility model will now be described in further detail with reference to the accompanying drawings. The drawings are simplified schematic representations which merely illustrate the basic structure of the utility model and therefore show only the structures which are relevant to the utility model.
Embodiment one:
as shown in fig. 1-6, the utility model relates to a tab calender for a battery pole piece, which comprises a front tension partition assembly 1, a calendering assembly 2 and a rear swing roller assembly 3 which are sequentially arranged along the conveying direction of a foil;
the front tension partition assembly 1 comprises a front guide roller 101, a press roller 103, a steel roller 102, a front swinging roller 104 and a tension roller 105, a gap for a foil to pass through is reserved between the steel roller 102 and the press roller 103, the steel roller 102 is powered by a driving motor, and a tension sensor is arranged on the tension roller 105; the pole piece enters between the press roller 103 and the steel roller 102 through the front guide roller 101, the press roller 103 and the steel roller 102 cut off external tension and speed, then the pole piece enters the calendaring assembly 2 through the front swing roller 104 and the tension roller 105, the front swing roller 104 realizes that the small swing angle range is +/-15 degrees through the extension and contraction of a cylinder piston rod, the tension sensor on the tension roller 105 detects the tension of the roller surface, information is transmitted to the PLC, and then the PLC program controls the cylinder of the front swing roller 104 to perform corresponding actions to realize tension adjustment.
An adjusting device for adjusting a gap between the steel roller 102 and the press roller 103 is arranged between the steel roller 102 and the press roller 103, the adjusting device comprises a coarse adjusting mechanism, a fine adjusting mechanism and a connecting rod 111, the coarse adjusting mechanism comprises a coarse adjusting cylinder 106, the output end of the coarse adjusting cylinder 106 is connected with a roller shaft of the press roller 103 through a connecting plate 107, the coarse adjusting cylinder 106 is positioned below the press roller 103 to apply upward acting force to the press roller 103, and the connecting plate 107 is driven to lift through the expansion and contraction of the expansion end of the coarse adjusting cylinder 106, so that the press roller 103 is driven to lift to realize coarse adjustment of the gap between the steel roller and the press roller 103; the fine adjustment structure comprises a handle 108, a screw rod 109 is connected to the handle 108, an adjusting block 110 is connected to the screw rod 109 in a threaded manner, a chute is formed in a box 112, the adjusting block 110 is slidably mounted in the chute, the bottom of the adjusting block 110 is an inclined plane, one end of a connecting rod 111 is connected with a connecting plate 107, the other end of the connecting rod is positioned below the adjusting block 110 and is in butt joint with the bottom of the adjusting block 110, the adjusting block 110 applies downward acting force to the connecting rod 111, and the different positions of the inclined bottom surface of the adjusting block 110 are different from the downward pressure generated when the connecting rod 111 is in butt joint, so that the connecting plate 107 and the press roller 103 can be driven to descend to different positions; the handle 108 is rotated, the screw rod 109 rotates along with the handle, the adjusting block 110 moves back and forth in the box 112, the connecting rod 111 is pressed down by the adjusting block 110, the connecting rod 111 drives the press roller 103 to descend to a preset position, and fine adjustment of the gap between the steel roller 102 and the press roller 103 is achieved.
The calendaring assembly 2 comprises a calendaring wheel 201, a driving roller 202, a traversing mechanism for driving the calendaring wheel 201 to transversely move and a longitudinal moving mechanism for driving the calendaring wheel 201 to longitudinally move, and a gap for a foil to pass through is reserved between the driving roller 202 and the calendaring wheel 201. The output end of the driving motor is in transmission connection with a reducer, the output end of the reducer is connected with the driving roller 202 through a plum coupling, so that power is provided for the driving roller 202, a supporting roller 203 is arranged above the driving roller 202, and the diameter of the supporting roller 203 is larger than that of the driving roller 202, so that protection is provided for the driving roller 202 and deformation of the driving roller is prevented.
Two adjustable rollers 204 are arranged on two sides of the calendaring wheel 201, one adjustable roller 204 is located between the calendaring wheel 201 and the tension roller 105, the other adjustable roller 204 is located between the calendaring wheel 201 and the rear swinging roller 301, and the relative height of the adjustable rollers 204 can be adjusted through an adjusting screw.
The traversing mechanism comprises a positioning motor 205 and a ball screw pair 206, wherein a screw in the ball screw pair 206 is fixed, a support 207 is arranged on the ball screw pair 206, and the calendaring wheel 201 is arranged on the support 207; the positioning motor 205 is started to drive rolling bodies in the ball screw pair 206 to rotate, and the screw is fixed, so that the rolling wheels 201 on the support 207 are driven to move back and forth, a plurality of rolling wheels 201 are arranged, each rolling wheel 201 is correspondingly provided with the positioning motor 205 and the support 207, and a plurality of supports 207 are arranged on the same screw; any one or more positioning motors 205 can be started to drive the corresponding calendaring wheels 201 to move back and forth according to the requirement.
The longitudinal moving mechanism comprises oil cylinders 211, the output ends of the oil cylinders 211 are connected with the calendaring wheels 201, the oil cylinders 211 correspond to the calendaring wheels 201 one by one, and longitudinal movement of the calendaring wheels 201 can be achieved by controlling the extension and retraction of the output ends of the oil cylinders 211, so that gaps between the calendaring wheels 201 and the driving rollers 202 are adjusted.
The calendaring assembly 2 is installed on a rack 208, a sliding rail 209 is installed on the rack 208, a sliding block 210 matched with the sliding rail 209 is installed on the support 207, and the sliding block 210 is in sliding connection with the sliding rail 209, so that stability of the calendaring wheel 201 in a traversing process can be guaranteed.
The back swing roller assembly 3 mechanism comprises a back swing roller 301 and a back guide roller 302, and the back swing roller 301 realizes small swing through the expansion and contraction of a cylinder piston rod.
Working principle:
firstly, a pole piece enters between a press roller 103 and a steel roller 102 through a front guide roller 101, the press roller 103 and the steel roller 102 cut off external tension and speed, then the pole piece sequentially passes through a front swinging roller 104 and a tension roller 105, the front swinging roller 104 realizes small swing through the expansion and contraction of a cylinder piston rod, a tension sensor on the tension roller 105 detects the tension of the roller surface, information is further transmitted to a PLC, then the PLC program controls a cylinder of the front swinging roller 104 to perform corresponding action so as to realize tension adjustment, then the pole piece enters between a calendaring roller and a driving roller 202 through an adjustable roller 204 to be calendared, a longitudinal movement mechanism drives the calendaring wheel 201 to longitudinally move so as to adjust the gap between the calendaring wheel 201 and the driving roller 202, so that the pressure on the pole piece is adjusted, a transverse movement mechanism drives the calendaring wheel 201 to transversely move so as to roll different positions, the thickness uniformity is ensured, and the rolled pole piece is output through a rear swinging roller assembly 3.
With the above-described preferred embodiments according to the present utility model as an illustration, the above-described descriptions can be used by persons skilled in the relevant art to make various changes and modifications without departing from the scope of the technical idea of the present utility model. The technical scope of the present utility model is not limited to the description, but must be determined according to the scope of claims.
Claims (9)
1. A lug calender of a battery pole piece is characterized in that: comprises a front tension partition assembly (1), a calendaring assembly (2) and a rear swing roller assembly (3) which are sequentially arranged along the conveying direction of the foil;
the front tension partition assembly (1) comprises a front guide roller (101), a steel roller (102), a press roller (103), a front swinging roller (104) and a tension roller (105), a gap for a foil to pass through is reserved between the steel roller (102) and the press roller (103), and a tension sensor is arranged on the tension roller (105);
the rolling assembly (2) comprises a rolling wheel (201), a driving roller (202), a transverse moving mechanism for driving the rolling wheel (201) to transversely move and a longitudinal moving mechanism for driving the rolling wheel (201) to longitudinally move, and a gap for a foil to pass through is reserved between the driving roller (202) and the rolling wheel (201);
the rear swing roller assembly (3) mechanism comprises a rear swing roller (301) and a rear guide roller (302).
2. The tab calender of claim 1 wherein: an adjusting device for adjusting a gap between the steel roller (102) and the compression roller (103) is arranged between the steel roller and the compression roller.
3. The tab calender of claim 2 wherein: the adjusting device comprises a coarse adjusting mechanism, a fine adjusting mechanism and a connecting rod (111), the coarse adjusting mechanism comprises a coarse adjusting cylinder (106), the output end of the coarse adjusting cylinder (106) is connected with a roller shaft of a press roller (103) through a connecting plate (107), the fine adjusting mechanism comprises a handle (108), a screw rod (109) is connected to the handle (108), an adjusting block (110) is connected to the screw rod (109) in a threaded manner, the bottom of the adjusting block (110) is an inclined plane, one end of the connecting rod (111) is connected with the connecting plate (107), and the other end of the connecting rod is located below the adjusting block (110) and is in butt joint with the bottom of the adjusting block (110).
4. The tab calender of claim 1 wherein: a support roller (203) is arranged above the driving roller (202).
5. The tab calender of claim 1 wherein: the calendaring assembly (2) further comprises two adjustable rollers (204) which are respectively positioned on two sides of the calendaring wheel (201).
6. The tab calender of claim 1 wherein: the transverse moving mechanism comprises a positioning motor (205) and a ball screw pair (206), a support (207) is arranged on the ball screw pair (206), and the calendaring wheel (201) is arranged on the support (207).
7. The tab calender of claim 1 wherein: the number of the calendaring wheels (201) is several.
8. The tab calender of claim 6 wherein: the calendaring assembly (2) is arranged on a rack (208), a sliding rail (209) is arranged on the rack (208), and a sliding block (210) matched with the sliding rail (209) is arranged on the support (207).
9. The tab calender of claim 1 wherein: the longitudinal moving mechanism comprises an oil cylinder (211), and the output end of the oil cylinder (211) is connected with a calendaring wheel (201).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320362953.7U CN219292387U (en) | 2023-03-02 | 2023-03-02 | Lug calender for battery pole piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320362953.7U CN219292387U (en) | 2023-03-02 | 2023-03-02 | Lug calender for battery pole piece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219292387U true CN219292387U (en) | 2023-07-04 |
Family
ID=86987145
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320362953.7U Active CN219292387U (en) | 2023-03-02 | 2023-03-02 | Lug calender for battery pole piece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219292387U (en) |
-
2023
- 2023-03-02 CN CN202320362953.7U patent/CN219292387U/en active Active
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