CN217780258U - Uninterrupted roll changing device - Google Patents
Uninterrupted roll changing device Download PDFInfo
- Publication number
- CN217780258U CN217780258U CN202221804207.0U CN202221804207U CN217780258U CN 217780258 U CN217780258 U CN 217780258U CN 202221804207 U CN202221804207 U CN 202221804207U CN 217780258 U CN217780258 U CN 217780258U
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- China
- Prior art keywords
- winding drum
- guide roller
- electromagnetic heating
- heating roller
- infrared
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- 238000004804 winding Methods 0.000 claims abstract description 44
- 238000010438 heat treatment Methods 0.000 claims abstract description 39
- 230000007246 mechanism Effects 0.000 claims abstract description 26
- 230000008859 change Effects 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 4
- 238000000576 coating method Methods 0.000 abstract description 13
- 239000011248 coating agent Substances 0.000 abstract description 12
- 239000000463 material Substances 0.000 description 4
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 3
- 229910052744 lithium Inorganic materials 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 229910001416 lithium ion Inorganic materials 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000002033 PVDF binder Substances 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000002390 adhesive tape Substances 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 229920006231 aramid fiber Polymers 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 239000007773 negative electrode material Substances 0.000 description 1
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 1
- 239000007774 positive electrode material Substances 0.000 description 1
Images
Classifications
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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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- Registering, Tensioning, Guiding Webs, And Rollers Therefor (AREA)
Abstract
The utility model discloses an uninterrupted lap changing device, which comprises a bracket, a guide mechanism, a lap changing mechanism, a driving device and a control box; the guide mechanism comprises a first guide roller and a second guide roller; the first guide roller and the second guide roller are both arranged at the front end of the bracket; the first guide roller is positioned at the front side of the second guide roller; the horizontal height of the second guide roller is higher than that of the first guide roller; the coil changing mechanism comprises a first winding drum, a first electromagnetic heating roller, a rotating shaft, a fixing frame, a second electromagnetic heating roller, a second winding drum and a clamping mechanism; the device realizes automatic reel changing operation by alternately using the two reels; the device does not need to be started and stopped frequently, continuous coating operation of the battery diaphragm is realized, the coating operation efficiency is improved, and the labor cost of enterprises is reduced.
Description
Technical Field
The utility model relates to a lithium battery diaphragm production technical field, concretely relates to incessant change of lap device that lithium cell base film used when coating.
Background
The lithium ion battery is a representative of modern high-performance batteries and comprises four main parts, namely a positive electrode material, a negative electrode material, a diaphragm and electrolyte. The diaphragm is a film with a microporous structure and mainly used for separating the positive electrode and the negative electrode of the lithium battery and preventing the positive electrode and the negative electrode from contacting to form a short circuit; the micropores in the film can allow lithium ions to pass through to form a charge-discharge loop.
In a wet diaphragm process for producing a diaphragm, in order to improve the thermal stability of the diaphragm, reduce the high-temperature shrinkage rate and avoid the problem of pole piece exposure caused by large-scale diaphragm shrinkage, adhesives such as ceramic alumina, PVDF, aramid fiber and the like are coated on a base film of the diaphragm in the production process;
in the coating process, the base film is put into the coating equipment in batches according to the rolls for operation, when each roll of the base film is placed, the roll is manually changed after being stopped, the tail part of the previous roll is adhered to the head part of the next roll, and then the operation is started again, so that the discontinuous coating operation is caused, and the coating operation efficiency is greatly reduced; in addition, in order to avoid the situation that equipment idles when the base film is not changed after being used up, the allowance of the base film is required to be checked by a specially-assigned person in real time, and the labor cost of an enterprise is increased by combining manual roll changing and adhesion operation.
SUMMERY OF THE UTILITY MODEL
Aiming at the problems in the prior art, the utility model provides an uninterrupted lap changing device, which comprises a bracket, a guide mechanism, a lap changing mechanism, a driving device and a control box;
the guide mechanism comprises a first guide roller and a second guide roller; the first guide roller and the second guide roller are both arranged at the front end of the bracket; the first guide roller is positioned at the front side of the second guide roller; the horizontal height of the second guide roller is higher than that of the first guide roller;
the coil changing mechanism comprises a first winding drum, a first electromagnetic heating roller, a rotating shaft, a fixing frame, a second electromagnetic heating roller, a second winding drum and a clamping mechanism;
the rotating shaft is rotatably arranged on the support, two fixing frames with cross structures are sleeved on the rotating shaft, and the first winding drum, the second winding drum, the first electromagnetic heating roller and the second electromagnetic heating roller are respectively arranged between the two fixing frames with the cross structures; the first winding drum and the second winding drum are provided with rotatable rotating shafts, and two ends of the rotating shafts of the first winding drum and the second winding drum are respectively fixed at the left end and the right end of the fixing frames of the two cross structures through clamping mechanisms; two ends of the first electromagnetic heating roller and the second electromagnetic heating roller are respectively fixed at the upper end and the lower end of the fixing frame of the two cross structures; a first infrared emission tube and a second infrared emission tube are respectively arranged on the inner sides of the left end and the right end of the first cross-shaped fixing frame; the inner sides of the left and right ends of the fixing frame of the second cross structure are respectively provided with a first infrared receiving tube and a second infrared receiving tube; the first infrared transmitting tube and the first infrared receiving tube are oppositely distributed in an aligned mode, and the straight line where the first infrared transmitting tube and the first infrared receiving tube are located is adjacent to the periphery of the first winding drum; the second infrared transmitting tube and the second infrared receiving tube are oppositely distributed in an aligned mode, and the straight line where the second infrared transmitting tube and the second infrared receiving tube are located is adjacent to the periphery of the second winding drum; one end of the rotating shaft is connected with the driving device; the first electromagnetic heating roller, the second electromagnetic heating roller, the first infrared transmitting tube, the second infrared receiving tube, the second infrared transmitting tube, the first infrared receiving tube and the driving device are respectively and electrically connected with the control box.
Furthermore, the lengths of the left end and the right end of the fixing frame of the cross structure are greater than the lengths of the upper end and the lower end.
Further, the driving device comprises a stepping motor and a gear box; the stepping motor is connected with one end of the rotating shaft through a gear box; the stepping motor is electrically connected with the control box.
Furthermore, a PLC module, a driving unit and a switching power supply are arranged in the control box; the output of the switch power supply is connected with power supply ends of the PLC module, the driving unit, the first infrared transmitting tube and the second infrared transmitting tube; the first electromagnetic heating roller, the second electromagnetic heating roller, the first infrared receiving tube, the second infrared receiving tube and the driving unit are respectively and electrically connected with the PLC module; the driving unit is electrically connected with the stepping motor.
Furthermore, the control box is provided with an alarm which is electrically connected with the PLC module.
Further, an emergency stop button SB is arranged on the control box; the emergency stop button SB is connected in series with the power supply inlet wire of the control box.
Compared with the prior art, the utility model, following beneficial effect has:
the device realizes the automatic adhesion of a previous roll and a next roll under the condition of no shutdown by alternately using the two winding drums, and finishes the automatic roll changing operation; the equipment does not need to be started and stopped frequently, and workers only need to put in new material rolls needing to be replaced after the alarm prompt, and do not need to watch the new material rolls beside the equipment; the continuous coating operation of the battery diaphragm is realized, the coating operation efficiency is improved, and the labor cost of enterprises is reduced.
Drawings
Fig. 1 is a perspective view of an uninterrupted roll changer of the present invention;
fig. 2 is a top view of an uninterrupted reel changer of the present invention;
FIG. 3 is a schematic circuit diagram of an uninterrupted reel changer according to the present invention;
in the figure: the device comprises a support 1, a first guide roller 2, a second guide roller 3, a first reel 4, a gear box 5, a stepping motor 6, an alarm 7, a control box 8, a first electromagnetic heating roller 9, a rotating shaft 10, a fixing frame 11, a second electromagnetic heating roller 12, a second reel 13, a clamping mechanism 14, a first infrared transmitting tube 15, a second infrared receiving tube 16, a second infrared transmitting tube 17, a first infrared receiving tube 18, a PLC module 801, a driving unit 802 and a switching power supply 803.
Detailed Description
The drawings in the embodiments of the present invention will be combined; to the technical scheme in the embodiment of the utility model, clearly, describe completely:
as shown in fig. 1-3, in an embodiment of the present invention, an uninterrupted roll changer includes a support 1, a guiding mechanism, a roll changing mechanism, a driving device, and a control box 8;
the guide mechanism comprises a first guide roller 2 and a second guide roller 3; the first guide roller 2 and the second guide roller 3 are both arranged at the front end of the bracket 1; the first guide roller 2 is positioned at the front side of the second guide roller 3; the second guide roller 3 is higher than the first guide roller 2 in level; the base film winds from the top of the second guide roller 3 to the bottom of the first guide roller 2 and enters the coating machine for operation;
The reel changing mechanism comprises a first reel 4, a first electromagnetic heating roller 9, a rotating shaft 10, a fixed frame 11, a second electromagnetic heating roller 12, a second reel 13 and a clamping mechanism 14;
the rotating shaft 10 is rotatably arranged on the bracket 1, two cross-shaped fixing frames 11 are sleeved on the rotating shaft 10, and the first winding drum 4, the second winding drum 13, the first electromagnetic heating roller 9 and the second electromagnetic heating roller 12 are respectively arranged between the two cross-shaped fixing frames 11; the first winding drum 4 and the second winding drum 13 are provided with rotatable rotating shafts, and two ends of the rotating shafts of the first winding drum 4 and the second winding drum 13 are respectively fixed at the left end and the right end of the fixing frames 11 with two cross structures through clamping mechanisms 14; two ends of the first electromagnetic heating roller 9 and the second electromagnetic heating roller 12 are respectively fixed at the upper end and the lower end of the two fixing frames 11 with the cross structure; the clamping mechanism 14 facilitates the replacement of the reel with the base film; a first infrared emission tube 15 and a second infrared emission tube 17 are respectively arranged on the inner sides of the left end and the right end of the first cross-shaped fixing frame 11; a first infrared receiving tube 18 and a second infrared receiving tube 16 are respectively arranged on the inner sides of the left end and the right end of the fixing frame 11 of the second cross structure; the first infrared transmitting tube 15 and the first infrared receiving tube 18 are oppositely aligned, and the straight line where the first infrared transmitting tube 15 and the first infrared receiving tube 18 are located is adjacent to the periphery of the first reel 4; that is, the periphery of the first reel 4 of the light beam emitted by the first infrared emission tube 15 is adjacent, when the first reel 4 has a base film, the light beam from the first infrared emission tube 15 to the first infrared receiving tube 18 is blocked, when the base film is about to run out, the light beam is not blocked, and the output signal of the first infrared receiving tube 18 changes; the second infrared transmitting tube 17 and the second infrared receiving tube 16 are oppositely aligned, and the straight line where the second infrared transmitting tube 17 and the second infrared receiving tube 16 are located is adjacent to the periphery of the second winding drum 13; for detecting whether the base film on the second reel 13 is running low; one end of the rotating shaft 10 is connected with a driving device and is used for controlling the rotating shaft 10 to rotate; the first electromagnetic heating roller 9, the second electromagnetic heating roller 12, the first infrared transmitting tube 15, the second infrared receiving tube 16, the second infrared transmitting tube 17, the first infrared receiving tube 18 and the driving device are respectively and electrically connected with the control box 8.
In an embodiment of the present invention, the length of the left and right ends of the fixing frame 11 of the cross structure is greater than the length of the upper and lower ends. The coil materials are convenient to bond when the coil is replaced.
In a specific embodiment of the present invention, the driving device comprises a stepping motor 6 and a gear box 5; the stepping motor 6 is connected with one end of the rotating shaft 10 through the gear box 5; the stepping motor 6 is electrically connected with the control box 8; the stepping motor 6 can realize fixed angle control on the rotating shaft 10, and the automatic roll changing process can be realized by the device conveniently.
In a specific embodiment of the present invention, a PLC module 801, a driving unit 802, and a switching power supply 803 are disposed in the control box 8; the output of the switch power supply 803 is connected with the power supply ends of the PLC module 801, the driving unit 802, the first infrared transmitting tube 15 and the second infrared transmitting tube 17; the first electromagnetic heating roller 9, the second electromagnetic heating roller 12, the first infrared receiving tube 18, the second infrared receiving tube 16 and the driving unit 802 are electrically connected with a PLC module 801 respectively; the driving unit 802 is electrically connected to the stepping motor 6.
In a specific embodiment of the present invention, an alarm 7 is disposed on the control box 8, and the alarm 7 is electrically connected to the PLC module 801; for reminding the operator to place a new roll in the fixture 14 after the roll change is completed.
In a specific embodiment of the present invention, the control box 8 is provided with an emergency stop button SB; the emergency stop button SB is connected in series with the power supply inlet wire of the control box 8.
According to the working principle, the first winding drum 4 and the second winding drum 13 wound with the base film are placed into the clamping mechanism 14; and double-sided adhesive tape is adhered to the base film on the outermost layer of the second reel 13; when the base film on the first winding drum 4 is running out, the first infrared receiving tube 18 sends a signal to the PLC module 801, the PLC module 801 controls the stepping motor 6 to rotate 180 ° to one side of the second guiding roller 3 (counterclockwise in fig. 1) through the driving unit 802, at this time, the positions of the first winding drum 4 and the second winding drum 13 are exchanged with each other, the positions of the first electromagnetic heating roller 9 and the second electromagnetic heating roller 12 are exchanged with each other, the base film on the first winding drum 4 is attached to the outer side of the first electromagnetic heating roller 9 in the moving process, meanwhile, the base film on the first winding drum 4 between the second guiding roller 3 and the first electromagnetic heating roller 9 is pressed and attached by the second winding drum 13 (in specific implementation, the horizontal height of the second guiding roller 3 is much higher than the heights of the first winding drum 4 and the second winding drum 13, the lengths of the left end and the right end of the fixing frame 11 of the cross structure are greater than the lengths of the upper end and the lower end, so that the base film can be pressed and attached to the base film on the second winding drum 13, the base film on the second winding drum 13 is adhered to the first winding drum 4 by the action of the stepping motor 6, the PLC module 801 rotates 180 °, the heating roller 9 is stopped for several seconds, the base film on the first winding drum 4, and the first winding drum 4 is continuously guided to the double-sided coating machine 2, and the double-sided coating machine 2 is completed; the alarm 7 sounds to prompt the staff to place a new material roll on the first roll 4.
The above description is only for 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 can substitute or change the technical solution and the improvement concept of the present invention within the technical scope disclosed in the present invention, and all the technical solutions and the improvement concepts should be covered by the protection scope of the present invention.
Claims (6)
1. An uninterrupted reel changing device comprises a bracket, a guide mechanism, a reel changing mechanism, a driving device and a control box; the method is characterized in that:
the guide mechanism comprises a first guide roller and a second guide roller; the first guide roller and the second guide roller are both arranged at the front end of the bracket; the first guide roller is positioned at the front side of the second guide roller; the horizontal height of the second guide roller is higher than that of the first guide roller;
the coil changing mechanism comprises a first winding drum, a first electromagnetic heating roller, a rotating shaft, a fixing frame, a second electromagnetic heating roller, a second winding drum and a clamping mechanism;
the rotating shaft is rotatably arranged on the bracket, two fixing frames with cross structures are sleeved on the rotating shaft, and the first winding drum, the second winding drum, the first electromagnetic heating roller and the second electromagnetic heating roller are respectively arranged between the two fixing frames with cross structures; the first winding drum and the second winding drum are provided with rotatable rotating shafts, and two ends of the rotating shafts of the first winding drum and the second winding drum are respectively fixed at the left end and the right end of the fixing frames of the two cross structures through clamping mechanisms; two ends of the first electromagnetic heating roller and the second electromagnetic heating roller are respectively fixed at the upper end and the lower end of the fixing frame of the two cross structures; a first infrared emission tube and a second infrared emission tube are respectively arranged on the inner sides of the left end and the right end of the first cross-shaped fixing frame; the inner sides of the left and right ends of the fixing frame of the second cross structure are respectively provided with a first infrared receiving tube and a second infrared receiving tube; the first infrared transmitting tube and the first infrared receiving tube are oppositely distributed in an aligned mode, and the straight line where the first infrared transmitting tube and the first infrared receiving tube are located is adjacent to the periphery of the first reel; the second infrared transmitting tube and the second infrared receiving tube are oppositely distributed in an aligned mode, and the straight line where the second infrared transmitting tube and the second infrared receiving tube are located is adjacent to the periphery of the second winding drum; one end of the rotating shaft is connected with the driving device; the first electromagnetic heating roller, the second electromagnetic heating roller, the first infrared transmitting tube, the second infrared receiving tube, the second infrared transmitting tube, the first infrared receiving tube and the driving device are respectively and electrically connected with the control box.
2. An uninterrupted reel changer according to claim 1, characterized in that: the length of the left end and the right end of the fixing frame of the cross structure is greater than that of the upper end and the lower end.
3. An uninterrupted reel change device according to claim 2, characterized in that: the driving device comprises a stepping motor and a gear box; the stepping motor is connected with one end of the rotating shaft through a gear box; the stepping motor is electrically connected with the control box.
4. An uninterrupted reel changer according to claim 3, characterized in that: a PLC module, a driving unit and a switching power supply are arranged in the control box; the output of the switch power supply is connected with power supply ends of the PLC module, the driving unit, the first infrared transmitting tube and the second infrared transmitting tube; the first electromagnetic heating roller, the second electromagnetic heating roller, the first infrared receiving tube, the second infrared receiving tube and the driving unit are respectively and electrically connected with the PLC module; the driving unit is electrically connected with the stepping motor.
5. An uninterrupted reel changer according to claim 2, characterized in that: and an alarm is arranged on the control box and is electrically connected with the PLC module.
6. An uninterrupted reel change device according to claim 2, characterized in that: an emergency stop button SB is arranged on the control box; the emergency stop button SB is connected in series with the power supply inlet wire of the control box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221804207.0U CN217780258U (en) | 2022-07-13 | 2022-07-13 | Uninterrupted roll changing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221804207.0U CN217780258U (en) | 2022-07-13 | 2022-07-13 | Uninterrupted roll changing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217780258U true CN217780258U (en) | 2022-11-11 |
Family
ID=83939342
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221804207.0U Active CN217780258U (en) | 2022-07-13 | 2022-07-13 | Uninterrupted roll changing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217780258U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117966342A (en) * | 2024-03-29 | 2024-05-03 | 宿松县鑫晟辉织造有限公司 | Reel changing assembly for fabric |
-
2022
- 2022-07-13 CN CN202221804207.0U patent/CN217780258U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117966342A (en) * | 2024-03-29 | 2024-05-03 | 宿松县鑫晟辉织造有限公司 | Reel changing assembly for fabric |
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