1、 Equipment Overview:
1. Structural form of this equipment: microcomputer controlled vertical structure (upper and lower axis winding).
2. This equipment is suitable for cutting and rewinding aluminum foil.
II consist of
This equipment consists of the machine body, raw material unwinding mechanism, traction roller assembly, slitting mechanism, winding mechanism, electrical control system, air circuit system, etc.
3、 Performance specifications:
1. Machine speed: 0~400m/min (actual cutting speed depends on material, thickness, product quality requirements, and operator proficiency).
2. Cutting method: synchronous servo circular knife
3. Minimum cutting width: 300mm (specific cutting width depends on material, thickness, and winding diameter).
4. Cut finished product width: ≥ 6 0 0 mm ±0.5mm
5. Maximum diameter of winding: 6-inch shaft single width Φ 800 mm, 3-inch shaft single width Φ 550mm
6. Adjust the stroke left and right: 100mm (± 50mm).
7. Inner diameter of unwinding tube core: 3 inches (76mm), 6 inches (152.4mm)
8. Inner diameter of coiled tube core: 3 inches (76mm), 6 inches (152.4mm)
9. Cutting material: battery aluminum foil.
10. Cutting material thickness: 0.007-0.02mm.
11. Range of incoming width: ≥ 600 mm ≤ 1820 mm.
12. Incoming diameter: ≤ Φ800mm。
13. Incoming weight: ≤ 3000kg, (weight ≤ 1000kg for 3-inch pipe diameter)
14. Manual correction, stroke ≥ 100mm
15. Length meter: Meter calculation accuracy: ≤ ±3%
16. Total power of the equipment: approximately 68kW. (Excluding corona machines and pinhole meters for power testing)
17. Power specification: Three phase five wire system, 380V, 50Hz.
18. The required compressed air pressure for the equipment is 5kg/c ㎡ or above.
19. Can meet the requirements of producing 870mm material for up and down winding, with a core length of 1300mm for the winding tube, and meet the alignment requirements 4 Equipment structure description (including unwinding, feeding, power, slitting, winding, and electrical control parts) and supply
1. Unwinding section:
1.1 The unwinding method is: center unwinding, with a shaft form.
1.2 15KW Envision synchronous servo motor and driver
1.3 PLC automatic calculation of unwinding tension.
There is a small control panel on the unwinding side, which can control the unwinding tension and acceleration/deceleration forward and backward
1.5 6-inch (152.4mm) aluminum foil unwinding special inflation shaft, one piece.
1.6 3-inch (76.2mm) aluminum foil unwinding special inflation shaft, one piece.
2. Continuation section:
2.1 At the unwinding entrance, there is a plate shape adjustment roller (steel roller), actively driven, with one roller, coated with hard chrome on the surface, and dynamically balanced.
2.2 Three steel rollers for continuous feeding, synchronously driven with the driving shaft, coated with hard chromium on the surface, and subjected to dynamic balancing.
2.3 The feeding roller is driven by a set of 7.5KW Meishiko servo motors and 7.5KW Yaskawa frequency converters, which play a role in actively transmitting central tension Beneficial for reducing knife groove marks and pockmarks
3. Main power part
3.1 Ø 350mm center rubber roller, coated with polyurethane, hardness 92-95 degrees, wear-resistant, anti-static, smooth surface, one pair (suitable for cutting H-state lithium battery foil)
3.2 Two intermediate rollers are controlled by an 18.5 KW Meishiko servo motor.
3.3 18.5KW Yaskawa frequency converter, 1 unit.
4. Cut section
4.1 One blade groove shaft, groove width 1mm, edge width 1mm, depth 2.5mm, capable of cutting both single and double finished product specifications
4.2 5 sets of synchronous servo circular knives, including motor, driver, tool holder, blade, and horizontal and vertical fine adjustment slide table.
4.3 There are 5 XY fine adjustment slide tables, which can be fine adjusted along the XY direction. 4.3 Imported precision linear guide slider, one set.
The overall advance and retreat mechanism of the knife holder is a gearbox structure, which is stable and reliable in advance and retreat.
5. Roll up section
5.1 Double winding reel winding, the winding reel is of the upper and lower shaft winding structure type
5.2 6-inch (152.4mm) aluminum foil winding special inflation shaft, two pieces
5.3 3-inch (76.2mm) aluminum foil winding special inflation shaft, two pieces,
5.4 7.5KW Midea servo motor and 7 5KW Yaskawa Drive, Two Sets
The pneumatic control device for the 5.5 winding shaft is a precision pressure regulating valve+cylinder, which controls the winding pressure and support force through digital voltage 6. Main functions and features of this machine
6.1 unwinding section: The unwinding section uses synchronous servo motors for unwinding, and through PLC and drivers, automatic control of unwinding tension is formed to ensure constant, stable and reliable unwinding tension throughout the entire production process.
6.2 Host section
1. Increase the weight and precision of the equipment. Currently, the weight of the equipment is about 9 tons, ensuring the stability of the bottom plate and vertical plate structure. At the same time, strictly control the machining accuracy of components and the assembly accuracy of the whole machine, further improving the stability of the equipment during high-speed operation.
2. The diameter of the guide roller shaft head is 60mm, and the bearing adopts imported bearings with a diameter of 6012 (other manufacturers use 6008). The shaft head has high strength, stability and durability, and is not easily damaged, greatly reducing the risk of equipment shutdown caused by bearing damage.
3. All guide rollers adopt active transmission, and the linear speed is completely synchronized, completely eliminating the risk of aluminum foil surface scratches and batch quality accidents caused by passive roller loss.
4. By adopting advanced tension segmented control and fuzzy control methods from abroad, the tension at the cutting site is accurately controlled to ensure stable coiling and edge cutting quality, and eliminate the occurrence of wavy edge defects. Avoiding the enlargement and deepening of pockmarks, reducing knife groove marks (more effective for cutting thinner materials), and maximizing the preservation of the original appearance of the aluminum foil surface.
5. The unique waste edge tightening and suction device consists of two sets of devices, which automatically control the tension and suction of the waste edges on both sides. It can eliminate the risk of edge breakage or strip breakage caused by inconsistent tension due to differences in the edge shape on both sides. At the same time, the structural design is reasonable, and compared with other manufacturers' guide roller tightening methods, it is safer and more convenient to operate.
6. Unique blade shaft design, with a reasonable distribution of misaligned groove edges on the blade shaft, and can meet odd and even cutting specifications, making it convenient for customers to use.
7. The unique automatic quantitative lubrication oil control system for cutting tools (precise quantitative, can be installed according to customer needs) can meet the automatic lubrication effect of different cutting tools and lubrication requirements, which is better than alcohol lubrication, improves the service life and cutting quality of cutting tools, prevents corrosion of the finished edges due to prolonged storage time, and reduces the risk of breakage in the next process.
8. The whole machine adopts servo motor and precision control of Japanese Yaskawa frequency converter to ensure sufficient power and energy saving, with a design speed of 400 meters per minute
9. The cutting of 5 sets of dynamic knives is controlled by Delta synchronous servo, which improves accuracy and stability. The addition of a 7.5KW transmission motor and a 7.5KW Japanese Yaskawa driver to the main machine can better solve the problem of material surface groove printing. The rubber roller uses an 18.5KW servo motor and an 18.5KW Japanese Yaskawa driver to achieve better stability in cutting large roll diameter materials.
10. This machine adopts Siemens PLC from Germany, and the main power of the whole machine is controlled by a fully servo motor, which can achieve stable synchronization of the speed of each transmission axis, realize uniform and stable unwinding tension, feeding tension, and winding tension, and fundamentally improve the performance of the slitting machine.
6.3 The winding section adopts two sets of servo motors, and the winding tension is automatically adjusted according to the set taper angle based on the change in winding diameter. During acceleration and deceleration, tension is automatically compensated. The motor speed automatically decreases and synchronizes with the spindle speed as the winding diameter increases. The winding reel can simultaneously roll finished products of different sizes and diameters.
1. Real time automatic calculation and display of roll diameter, with a roll diameter accuracy of ≤ 0.5mm.
There are 2 types of automatic shutdown modes, which can also be stopped according to the number of winding meters, unwinding diameter, etc. During the work process, if you need to interrupt the work, you can press the stop button and the equipment will automatically slow down and stop
3 The equipment is driven by a full servo motor, equipped with Siemens PLC, Schneider low-voltage apparatus, imported bearings and other high-end configurations, ensuring the progressiveness and stability of the equipment. 6.4 Electronic control system: human-machine interface system, with memory, storage, and retrieval functions, data storage for slitting machine, and easy traceability.
5、 Other
1. All active and passive wheels undergo dynamic balancing treatment.
2. Reserve installation positions for corona discharge.
3. The front and rear parts of the equipment are equipped with acceleration and deceleration switches, emergency stop switches, and shutdown switches.
4. The button switches and low-voltage electrical appliances are made of Schneider brand and Taiwanese brand cylinders, while the bearings are made of original imported brand NSK, NTN.
5. Equipped with one 11KW edge crushing fan. (Equipped with one main suction pipe and five suction air vents)
6. After two sets of 400W synchronous servo edge pressing, the two waste edge materials are discharged through the suction duct. The waste edge tension can be adjusted, greatly improving the quality of finished product edge cutting. At the same time, this waste edge extraction device is safer and more reasonable 7. Overall dimensions: not exceeding 6130 in length and 4430 in width (including corona machine bracket) 8. Dynamic balance level of guide wheel G2.5
6、 After the product quality acceptance equipment is installed and debugged, it is considered qualified if it meets the following requirements according to the conventional quality standards for battery foil production:
1. During operation, the production speed can meet ≤ 300M/min. (Due to the fact that the production speed limit of aluminum foil corona machines is not used as a criterion for evaluation)
2. Edge quality: When aluminum foil products naturally sag, there are no wavy edges or visible burrs on the edges.
3. End face quality: The end face is neat and flat, with a staggered amplitude of ≤ 0.2MM
4. Surface quality: There are no visible scratches, abrasions, wrinkles, or obvious defects that affect the appearance quality.
5. Bottom weight: The bottom should be smooth, without wrinkles or layering, and the maximum length of the bottom should not exceed 20 meters.
6. Defects caused by improper personal operation are not considered as evaluation criteria. If it is necessary to cut or roll the edges up and down, it is necessary to ensure that the diameter difference between the two rubber rollers is ≤ 0.003MM.
