CN114657608B - Light electrode copper foil production device - Google Patents
Light electrode copper foil production device Download PDFInfo
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- CN114657608B CN114657608B CN202210391318.1A CN202210391318A CN114657608B CN 114657608 B CN114657608 B CN 114657608B CN 202210391318 A CN202210391318 A CN 202210391318A CN 114657608 B CN114657608 B CN 114657608B
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D1/00—Electroforming
- C25D1/04—Wires; Strips; Foils
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D1/00—Electroforming
- C25D1/20—Separation of the formed objects from the electrodes with no destruction of said electrodes
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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 light electrode copper foil production device is characterized in that a plurality of anode plates are arranged in an inner cavity of an electrolytic tank, a titanium roller is concentric with a semicircular outline of the anode plates, a wind-up roller is arranged beside the titanium roller, a guide roller is arranged between the titanium roller and the wind-up roller, and the wind-up roller is in transmission connection with a power unit; the two ends of the titanium roller are provided with wire grooves, the two ends of the winding roller are provided with winding grooves, the two ends of the guide roller are provided with guide grooves, the two ends of the wire grooves are provided with insulating strips, the inner ends of the winding grooves are provided with insulating blocks, and one end of the titanium roller is sleeved with a conductive slip ring and connected with the logic module; the two ends of the wind-up roll are sleeved with conductive slip rings and connected with the logic module. Because the insulating tape can avoid copper electrolyte reduction, copper foil is only generated in the middle of the titanium roller, copper wires are generated in wire grooves on two sides of the insulating tape, and then the copper wires are guided by the guide roller and the winding roller, so that the tearing trend of the copper foil is born by the copper wires, and meanwhile, when the copper wires are broken, the detection end of the logic module is empty, so that the transmission work is stopped rapidly, the breaking probability of the copper foil is reduced to be extremely low, and the technical bottleneck of limiting the minimum production thickness due to hidden danger of breaking in the industry is broken through.
Description
Technical Field
The invention belongs to the technical field of copper foil production, and particularly relates to a light electrode copper foil production device.
Background
The copper foil is a continuous metal foil for the basal layer of the circuit board, is used as an inner conductor of a base material, is arranged on the substrate surface of the base material to provide conductive and electromagnetic shielding effects, is one of base materials of the electronic industry, is a current collector base material of various batteries, is widely applied to various electronic equipment, and has huge demand in domestic and foreign markets.
When the copper foil on the market is applied to battery manufacturing, the battery energy density of battery products is limited due to the influence of the dead weight of the copper foil, and along with the development of market demands, users want the battery to have high enough energy density and light enough battery weight, so that the conventional copper foil cannot meet the increasingly high performance requirements of the current market on the power battery. In the prior art, although the thickness of the copper foil is reduced by controlling the electroplating time, if the thickness of the copper foil is too thin, the breaking deformation of the copper foil thin layer is extremely easy to be caused by mechanical vibration or operation errors in the production process, particularly the continuous production operation of the copper foil, the broken thin layer copper foil can make the whole roll of base material useless, a large amount of production materials and time and labor cost are lost, and the minimum thickness generated by the copper foil is controlled within a certain size to prevent hidden danger of breaking, so that the thickness cannot be reduced to a smaller range, and the energy density of a finished battery is restricted to a certain extent.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a light electrode copper foil production device which is used for effectively avoiding the production hidden trouble of fracture deformation in the thin copper foil manufacturing process, breaking through the minimum thickness limit of the thin copper foil produced in the industry and improving the battery energy density and the service performance of a power battery.
The invention is implemented by the following technical scheme: a light electrode copper foil production device comprises a liquid separating cylinder, an electrolytic tank, an anode plate, a titanium roller, a winding roller, a guide roller, a power unit, a plurality of conductive slip rings, a logic module and a control module. The electrolytic tank is a hollow container with an upper opening, the inner cavity of the electrolytic tank is provided with a plurality of anode plates in parallel, the top edges of the anode plates are provided with semicircular outline grooves, the titanium rollers are concentrically arranged on semicircular outline central shafts of the plurality of grooves, the wind-up rollers are arranged beside the titanium rollers at intervals, the guide rollers are arranged between the wind-up rollers and the titanium rollers, the power unit is a rotary power device, and the wind-up rollers, the guide rollers and the titanium rollers are all in transmission connection with the power unit; the two ends of the titanium roller are respectively provided with a circle of wire grooves, the two ends of the winding roller are respectively provided with a circle of winding grooves, the two ends of the guide roller are respectively provided with a circle of guide grooves, the wire grooves on the two sides, the winding grooves and the guide grooves are respectively overlapped on two reference surfaces, the two ends of each wire groove are respectively provided with a layer of insulating tape, and the insulating tapes are attached to the surface of the titanium roller; an insulating block is arranged at the joint part of the inner end of each winding groove, the insulating block is embedded into the winding roller body, and the two ends of the insulating block are in butt joint with the winding roller body in a sleeving manner; the conductive slip ring is sleeved on one end shaft body of the titanium roller and is connected to the ground wire end of the logic module through conducting wires; the two ends of the wind-up roll are respectively sleeved with one conductive slip ring, the conductive slip rings are connected to the detection end of the logic module through wires, the power unit is controlled and driven by the control module, and the feedback end of the logic module is connected to the control module.
Furthermore, the invention also comprises an alarm module, and the feedback end of the logic module is connected with the alarm module.
Furthermore, the invention also comprises a polishing wheel, a cleaning spray head and a drying spray head, wherein the polishing wheel is attached to the surface of one side of the titanium roller, which is far away from the guide roller, and is in transmission connection with the power unit; the cleaning spray head and the drying spray head are fixed on one side of the titanium roller from bottom to top, the spray head faces to the roller surface area between the titanium roller and the guide roller, the cleaning medium in the cleaning spray head is foam liquid, and the drying medium in the drying spray head is hot air.
Further, the anode plate is communicated with the positive electrode of the power supply, the titanium roller is communicated with the negative electrode of the power supply, and the control module is connected with the delay relay on the power switch line.
Further, copper foil is attached to the middle roller surface of the titanium roller, the guide roller and the winding roller, copper wires are embedded in the wire grooves, the guide grooves and the winding grooves, the two copper wires are arranged on two sides of the copper foil, and the directions of the copper wires and the extending paths of the copper foil are the same.
Further, the cylindrical ends at two ends of the insulating block are sleeved with the inner holes of the roller body of the winding roller, and form transition fit or interference fit, flat keys or splines are arranged at the ends at two ends of the insulating block, and a plurality of fixing pins penetrating through the roller body and the ends of the insulating block are arranged on the winding roller.
Further, wind-up roll middle part roll body is equipped with the breach groove, and its roll body surface laminating is equipped with the buffer shell simultaneously, buffer shell tip is circular arc casing, is equipped with the slot in its circular arc end, the embedding is equipped with the clamp plate in the slot, the clamp plate top is equipped with and runs through set screw of slot cell wall, the wind-up roll inner chamber is equipped with wind-up roll axle, fly leaf, fixed arm, extension spring, the wind-up roll is located wind-up roll inner chamber axis department, fly leaf one end with buffer shell inner wall fixed connection, the other end with the wind-up sleeve closes and forms articulated assembly, the fixed arm is fixed in wind-up roll inner wall department, extension spring both ends end is fixed respectively the fly leaf with on the fixed arm, the fly leaf supports under the extension spring elasticity effect the cell wall in breach groove.
Further, a thread sleeve is arranged on the outer side of the winding roller, which is attached to the winding groove, and is assembled with the winding roller in a thread sleeve mode, and a round angle is arranged on the edge of the surface of the winding groove, which faces the insulating block.
Further, the diameter of the middle roller body of the titanium roller is equal to that of the wire groove, the diameter of the middle roller body of the guide roller is equal to that of the guide groove, and the diameter of the middle roller body of the winding roller is equal to that of the winding groove.
Further, the shaft ends of the guide rollers are arranged on the power unit through the sliding block type bearing seats.
Further, the widths of the silk groove, the winding groove and the guide groove are equal, and the sizes of the silk groove, the winding groove and the guide groove are less than or equal to 2mm.
Further, the insulating tape is made of polytetrafluoroethylene.
Furthermore, the insulating block is made of PEEK.
Further, the layer body of the insulating tape at the outer end of the wire groove extends to cover the outer end edge of the titanium roller.
Furthermore, the end face of the titanium roller and the surface of the shaft end close to the end face are both provided with insulating coatings, and the insulating coatings are made of polytetrafluoroethylene.
The beneficial effects of the invention are as follows: the device utilizes the groove bodies and the insulating structures which are symmetrically arranged on the two sides of various roller bodies to form a synchronous production curling structure for copper foils and copper wires on the two sides, and as the insulating materials of the insulating belts on the two sides of the wire groove can avoid the reduction reaction of copper electrolyte, the reduction copper reaction can be generated only in the wire groove and the surface part of the middle section of the titanium roller, copper ions are induced to generate copper foils in the middle part of the titanium roller by the position, copper wires are generated in the wire grooves on the two sides, and then the copper foils and the copper wires on the two sides form an integral system with the same extending direction through the guiding action of the guiding roller, the winding roller and the corresponding groove bodies, when the copper foils are subjected to tearing force due to mechanical vibration or operation errors, the tearing path of the planar object is always generated firstly from the side edge and then extends to the middle part, so that the tearing trend of the side edge of the copper foil is borne independently by the copper wires arranged on the two sides, and the fracture risk of the copper foils is effectively avoided; meanwhile, two different isolation structures formed by attaching an insulating tape and embedding an insulating block are utilized, the shaft end of the titanium roller and the shaft end of the winding roller are in different potential states, when copper wires communicated with the shaft end of the titanium roller and the shaft end of the winding roller are broken, the potential of the detection end of a logic module connected with the shaft end of the winding roller through a conductive slip ring and a wire is changed from low level to be empty, so that the potential is timely fed back to a power unit to enable the power unit to stop transmission work rapidly, and rotating parts such as the titanium roller and the like pause in the first time to prevent copper foils from being further damaged, and overhaul work is carried out accordingly. The double protection effects of copper wire stress protection and electrode feedback blocking enable the accident probability of copper foil breakage to be reduced to be extremely low, the technical bottleneck of limiting the minimum production thickness due to breakage hidden danger in the industry is broken through, copper foil products with smaller thickness can be smoothly produced through the equipment, and the battery energy density and the service performance of battery finished products are further improved.
Drawings
FIG. 1 is a top view of an embodiment of the present invention;
FIG. 2 is a side view of an embodiment of the present invention;
FIG. 3 is an interior elevation view of an embodiment of the present invention;
FIG. 4 is a front view showing the internal structure of a guide roller in accordance with an embodiment of the present invention;
FIG. 5 is a side view of the internal structure of a guide roller in an embodiment of the invention;
FIG. 6 is a top view of an embodiment of the present invention in an operational state;
FIG. 7 is a side view of an operational state of an embodiment of the present invention;
FIG. 8 is an isometric view of a copper foil and wire transfer structure in accordance with one embodiment of the invention;
FIG. 9 is a logic control schematic of an embodiment of the present invention.
In the figure: 1-liquid separating cylinder, 2-electrolytic tank, 2 a-copper electrolyte, 2 b-copper foil, 2 c-copper wire, 3-anode plate, 4-titanium roller, 4 a-wire tank, 4 b-insulating tape, 4 c-insulating coating, 5-wind-up roller, 5 a-wind-up tank, 5 b-insulating block, 5 c-screw sleeve, 5 d-flat key, 5 e-fixed pin, 5 f-notch groove, 5 g-buffer shell, 5 h-slot, 5 i-pressing plate, 5 j-set screw, 5 k-wind-up roller, 5 l-movable arm, 5 m-fixed arm, 5 n-tension spring, 6-guide roller, 6 a-guide groove, 6 b-slider type bearing seat, 7-power unit, 8-conductive slip ring, 8 a-wire, 9-logic module, 10-control module, 11-alarm module, 12-polishing wheel, 13-cleaning nozzle, 14-drying nozzle, 15-power supply, 15 a-delay relay.
Detailed Description
The invention is described in further detail below with reference to the drawings and examples of the specification.
As shown in fig. 1-3, a light electrode copper foil 2b production device comprises a liquid separating cylinder 1, an electrolytic tank 2, an anode plate 3, a titanium roller 4, a wind-up roller 5, a guide roller 6, a power unit 7, a plurality of conductive slip rings 8, a logic module 9, a control module 10 and an alarm module 11. The electrolytic bath 2 is an upper opening hollow container, the inner cavity of the electrolytic bath 2 is provided with a plurality of anode plates 3 in parallel, the top edges of the anode plates 3 are provided with semicircular outline grooves, a titanium roller 4 is concentrically arranged on semicircular outline central shafts of the grooves, a wind-up roller 5 is arranged beside the titanium roller 4 at intervals, a guide roller 6 is arranged between the wind-up roller 5 and the titanium roller 4, a power unit 7 is a rotary power device, and the wind-up roller 5, the guide roller 6 and the titanium roller 4 are in transmission connection with the power unit 7; the two ends of the titanium roller 4 are respectively provided with a circle of wire grooves 4a, the two ends of the winding roller 5 are respectively provided with a circle of winding grooves 5a, the two ends of the guide roller 6 are respectively provided with a circle of guide grooves 6a, the wire grooves 4a at the two sides, the winding grooves 5a and the guide grooves 6a are respectively overlapped on two reference surfaces, the two ends of each wire groove 4a are respectively provided with a layer of insulating tape 4b, and the insulating tapes 4b are attached to the surface of the titanium roller 4; an insulating block 5b is arranged at the joint part of the inner end of each winding groove 5a, the insulating block 5b is embedded into the roller body of the winding roller 5, and the two ends of the insulating block are in butt joint with the roller body of the winding roller 5 in a sleeving manner; one end shaft body of the titanium roller 4 is sleeved with a conductive slip ring 8 and is connected to the ground wire end of the logic module 9 through a lead 8a in a conductive way; the two end shaft bodies of the wind-up roll 5 are respectively sleeved with a conductive slip ring 8 and are connected with the detection end of the logic module 9 through a lead 8a, the power unit 7 is controlled and driven by the control module 10, the feedback end of the logic module 9 is respectively connected with the control module 10 and the alarm module 11 to form the logic control module 10 as shown in fig. 9, in addition, the anode plate 3 is communicated with the positive electrode of the power supply 15, the titanium roll 4 is communicated with the negative electrode of the power supply 15, and the control module 10 is connected with the delay relay 15a on a switch circuit of the power supply 15.
Since the insulation materials of the insulation belts 4b at the two sides of the wire groove 4a can avoid the reduction reaction of the copper electrolyte 2a, the reduction copper reaction can be generated only at the surface parts of the inner part of the wire groove 4a and the middle section of the titanium roller 4, copper ions are induced to generate copper foil 2b (as shown in fig. 6) at the middle part of the titanium roller 4, copper wires 2c are generated in the wire grooves 4a at the two sides, then the copper foil 2b passes through the guide roller 6 and the winding roller 5, the copper wires 2c pass through the guide groove and the winding groove 5a, the copper foil 2b and the copper wires 2c at the two sides form an integral system with the same extending direction, the winding paths of the copper foil 2b and the copper wires 2c are as shown in fig. 7-8, at the moment, copper foils 2b are attached to the middle roller surfaces of the titanium roller 4, the guide roller 6 and the winding roller 5, copper wires 2c are embedded in the grooves of the wire groove 4a and the guide groove 6a and the winding groove 5a, the two copper wires 2c are arranged at the two sides of the copper foil 2b, and the direction of the copper wires 2c are the same as the extending path of the copper foil 2 b. When the copper foil 2b is subjected to a tearing force due to mechanical vibration or operation error, since the tearing path of the planar object always first generates from the side edge and then the crack extends to the middle part, the tearing trend of the side edge of the copper foil 2b is borne by the copper wires 2c separately arranged at the two sides, and the fracture risk of the copper foil 2b is effectively avoided. Meanwhile, two different isolation structures formed by attaching an insulating tape 4b and embedding an insulating block 5b are utilized, wherein the insulating tape 4b only provides a surface layer electrolysis inhibition function, the insulating block 5b can provide a double function of surface layer electrolysis inhibition and internal current blocking, the shaft ends of the titanium roller 4 and the wind-up roller 5 are in different potential states, when a copper wire 2c communicated with the two is broken, the potential of a detection end of a logic module 9 connected with the shaft ends of the wind-up roller 5 through a conductive slip ring 8 and a lead 8a is changed from low level to empty, the feedback end of the logic module 9 is triggered to feed back a turn-off signal to a control module 10, so that the power unit 7 is stopped rapidly in time, the control module 10 is stopped in time by delaying a power supply 15 through a delay relay 15a to block a foil generation reaction, and meanwhile, the detection end is fed back to an alarm module 11 to start an audible and visual alarm so that workers can overhaul timely.
As shown in fig. 2, the embodiment further includes a polishing wheel 12, a cleaning nozzle 13, and a drying nozzle 14, wherein the polishing wheel 12 is attached to the surface of the titanium roller 4, which is far away from the guide roller 6, and is in transmission connection with the power unit 7, and the polishing wheel 12 and the titanium roller 4 are driven to synchronously rotate by the power unit 7, so that the polishing wheel 12 performs polishing operation on the surface of the titanium roller 4 at the rear end moment of the guide roller 6, thereby ensuring the surface quality of the attached copper foil 2b in continuous production; the cleaning spray head 13 and the drying spray head 14 are fixed on one side of the titanium roller 4 from bottom to top, the spray heads face to the roller surface area between the aligned titanium roller 4 and the guide roller 6, the cleaning medium in the cleaning spray head 13 is foam liquid, the drying medium in the drying spray head 14 is hot air, and when the titanium roller 4 rotates clockwise (the direction is shown in fig. 2) to convey the copper foil 2b, safe scouring and drying operations are applied to the generated thin-layer copper foil 2b through the flexible cleaning of the foam liquid and the isolation drying effect of the hot air so as to avoid hidden danger of breakage, and the collecting roller 5 is ensured to collect the clean, dried and well-shaped copper foil 2b coiled material.
As shown in fig. 4, cylindrical ends at two ends of the insulating block 5b are sleeved with inner holes of the roller body of the wind-up roller 5, and form transition fit to ensure stability of the wind-up roller 5 and shape alignment of the subsequent copper foil 2b, flat keys 5d are arranged at two ends of the insulating block 5b, a plurality of fixing pins 5e penetrating through the roller body and the ends of the insulating block 5b are arranged on the wind-up roller 5, meanwhile, the insulating block 5b is made of PEEK, and by means of good electrical insulation of PEEK, the electric potential of the shaft end of the wind-up roller 5 and the middle roller body is effectively isolated and blocked by the insulating block 5b, and meanwhile, by means of high mechanical strength of PEEK, tangential reinforcement of the roller body by the flat keys 5d at the shaft end of the insulating block 5b and axial reinforcement of the fixing pins 5e are combined to form an insulating assembly with stable action, high precision and good mechanical performance, and meanwhile, the copper foil 2b coiled material with good shape is ensured to form stable action of the wind-up roller 5, and the electric potential of the shaft end and copper wire 2c is not influenced by the electric potential of the middle roller body and copper foil 2b, and the detection triggering of the electric potential of the wire 2c is ensured, and the normal shutdown of the electric potential triggering action is ensured by the logic module 9.
As shown in FIG. 5, the middle roller body of the wind-up roller 5 is provided with a notch groove 5f, meanwhile, the surface of the roller body is provided with a buffer shell 5g in a fitting manner, the end part of the buffer shell 5g is an arc shell, a slot 5h is arranged in the arc end part of the buffer shell, a pressing plate 5i is embedded in the slot 5h, a set screw 5j penetrating through the slot wall of the slot 5h is arranged above the pressing plate 5i, the inner cavity of the wind-up roller 5 is provided with a wind-up shaft 5k, a movable arm 5l, a fixed arm 5m and a tension spring 5n, the wind-up shaft 5k is positioned at the axial line of the inner cavity of the wind-up roller 5, one end of the movable arm 5l is fixedly connected with the inner wall of the buffer shell 5g, the other end of the movable arm is sleeved with the wind-up shaft 5k to form a hinged assembly, the fixed arm 5m is fixed at the inner wall of the wind-up roller 5, the ends of the tension spring 5n are respectively fixed on the movable arm 5l and the fixed arm 5m, the movable arm 5l butts against the wall of the notch groove 5f under the action of the elasticity of the tension spring 5n, the traditional rigid fixation of the copper foil 2b is changed into an elastic fixation mode through the structure, and the structure further shock-resistant protection is provided for the copper foil 2 b.
When the rotation speed of each roller body is not coordinated due to operation debugging errors, if the rotation speed of the titanium roller 4 is too low or the rotation speed of the wind-up roller 5 is too high, the copper foil 2b between the two is subjected to a large tearing force, or mechanical impact caused by external interference drinking factors, the copper foil 2b is also subjected to a large instantaneous tearing force, even if copper wires 2c on two sides are protected at the moment, the copper foil 2b is broken and then is quickly destroyed due to delayed shutdown action of the power unit 7, however, due to the arrangement of the buffer shell 5g, the instantaneous impact on the copper foil 2b can be effectively buffered, an operator starts the action of each component to enable the wind-up roller 5 to rotate anticlockwise (as shown by arc arrows in fig. 5) after the end of the copper foil 2b is stably pressed by using the set screw 5j and the pressing plate 5i, and if the interference working conditions occur, the copper foil 2b is subjected to the instantaneous tearing force towards the right side (direction is shown by fig. 5), after the shutdown action of the power unit 7 is delayed, the copper wires 2c can be driven to break due to the excessive amplitude of the instantaneous tearing force, the copper wires 2c can be effectively buffered by the arrangement of the buffer shell 5g, and the tension force is not provided by the hinge arm 5, and the time is enough to trigger the rotation of the copper wires 2c to break the tension force when the hinge arm 5 is not to break in the moment. On the basis, a triple protection effect of stress protection of the copper wire 2c, electrode feedback blocking and impact resistance protection of the buffer shell 5g is formed, and the morphological integrity of the produced thin-layer copper foil 2b is further ensured.
In this embodiment, a thread sleeve 5c is disposed on the outer side of the winding roller 5 and attached to the winding groove 5a, the thread sleeve 5c is assembled with the winding roller 5 in a threaded sleeve manner, and rounded corners are disposed on edges of the surfaces of the thread sleeve 5c and the insulating block 5b facing the winding groove 5a (as shown in fig. 4). Through the screw thread roll adjustment effect of the screw sleeve 5c, the copper wire 2c is pressed by the screw sleeve 5c after being embedded into the winding groove 5a in a screwing way, so that the gap between the copper wire 2c and the side wall of the winding groove 5a is reduced as much as possible, the multilayer copper wires 2c are ensured to be stacked layer by layer in a compact groove body space, when the curling form of the multilayer copper wire 2c collapses, a nut can be further screwed to the right to flatten the copper wire 2c scroll (the direction is shown in fig. 4), the curling form of the copper wire 2c and the copper foil 2b is ensured to be kept consistent as much as possible, and the tearing force applied to the copper foil 2b can be smoothly shared to the copper wires 2c at two sides. Meanwhile, as the edges of the threaded sleeve 5c and the insulating block 5b possibly scratch the copper wire 2c in a compacting mode, the edges of the threaded sleeve and the insulating block are designed into a round angle mode, so that the copper wire 2c is protected from being scratched by cutting, and the rolling roller 5 which is rotated in the flexible contact process with the round angle cambered surface is smoothly accommodated in the rolling groove 5a.
In this embodiment, the diameter of the middle roller body of the titanium roller 4 is equal to that of the wire groove 4a, the diameter of the middle roller body of the guide roller 6 is equal to that of the guide groove 6a, and the diameter of the middle roller body of the winding roller 5 is equal to that of the winding groove 5a. The copper foil 2b is attached to the middle roller body, the copper wires 2c are attached to the groove bodies on the two sides, and the copper foil 2b and the copper wires 2c can be made to be identical in bending form by the equal diameters of the roller bodies and the groove bodies, so that the tearing force applied to the copper foil 2b can be smoothly shared on the copper wires 2c on the two sides, and the integrity of the copper foil 2b is further ensured.
In this embodiment, the shaft end of the guide roller 6 is mounted on the power unit 7 through the sliding block type bearing seat 6b, the guide roller 6 is adjusted to a proper position by utilizing the adjustable function of the sliding block type bearing seat 6b to ensure proper tension of the attached copper foil 2b, and when the fault maintenance of the broken copper wire 2c occurs, the position of the guide roller 6 can be adjusted by utilizing the sliding block type bearing seat 6b so as to recover the tension of the copper foil 2b to a normal level.
In this embodiment, the widths of the wire groove 4a, the winding groove 5a and the guiding groove 6a are equal, the sizes are less than or equal to 2mm, the widths of the grooves are equal, the guide form of the copper wire 2c is ensured to be correct, the cross section size of the generated copper wire 2c is in a smaller range by limiting the width of the wire groove 4a, and the copper wire 2c belongs to a consumable product, so that the recycled secondary copper dissolving utilization can be facilitated by controlling the size of the copper wire 2c to be smaller, the efficiency of producing the copper foil 2b is ensured not to be affected considerably, and the ultra-thin copper foil 2b product with high quality is normally produced by recycling a small amount of the copper wire 2 c.
In this embodiment, the insulating tape 4b is made of polytetrafluoroethylene, and the copper-containing electrolyte 2a cannot react on the surface of the insulating tape 4b due to the excellent electrical insulation of polytetrafluoroethylene, and the layer of the insulating tape 4b at the outer end of the wire groove 4a extends to cover the outer end edge of the titanium roller 4, so that the copper-containing electrolyte 2a cannot react on the outer end edge of the titanium roller 4, and the end surfaces of the titanium roller 4 and the shaft end surfaces close to the end surfaces are both provided with the polytetrafluoroethylene insulating coating 4c (as shown in fig. 3), and the copper electrolyte 2a cannot react with these parts, so that copper ions can only be reduced in the middle part of the titanium roller 4 and the wire groove 4a to form the copper foil 2b and the copper wire 2 c. The corrosion resistance of the polytetrafluoroethylene material can ensure that the insulating tape 4b and the insulating coating 4c are well soaked in the copper electrolyte 2a for a long time so as to adapt to long-time continuous production operation.
The working principle of this embodiment is as follows:
s1: starting the liquid separation cylinder 1 to pump copper sulfate electrolyte into the electrolytic tank 2, communicating the anode plate 3 with the positive electrode of the power supply 15, and communicating the titanium roller 4 with the negative electrode of the power supply 15, wherein the anode plate 3 reacts as follows:
H 2 0-2e＝2H++O 2↑，SO 4 2-+2H+＝H 2SO 4
wherein sulfate radicals are combined with hydrogen ions at the anode to regenerate sulfuric acid for recycling in the initial copper dissolving operation, and simultaneously, the surface reaction of the cathode titanium roller 4 is as follows:
Cu 2++2e＝Cu↓
at this time, the precipitated copper is adhered to the surface of the middle titanium roller 4 to form a copper foil 2b, and is adhered to the contact portion of the bottom of the titanium roller 4 with the copper electrolyte 2a (as shown in fig. 7), as shown in fig. 1, since the electrical insulation of the insulating tapes 4b at both sides of the titanium roller 4 cannot be connected to the electrodes, the raw copper cannot be reduced on the surface of the insulating tapes 4b, but the exposed surface of the titanium roller 4 exists in the wire groove 4a between the adjacent insulating tapes 4b, so that the raw copper is reduced in the narrow gap on the surface of the wire groove 4a to form a copper wire 2c, and is adhered to the contact portion of the bottom of the wire groove 4a with the copper electrolyte 2a (the path is the same as that of the copper foil 2b shown in fig. 7), at this time, the cathode current density is controlled to control the electrolytic reaction speed, so that the formation thickness of the copper foil 2b is lower than 4.5um.
S2: the titanium roller 4 is driven to rotate at a proper rotation speed by the power unit 7, as shown in fig. 7, at this time, the titanium roller 4 rotates anticlockwise, the copper foil 2b and the copper wire 2c are brought out of the liquid surface under a proper thickness for controlling the electrolysis speed, a plurality of cleaning spray heads 13 are started to flush the surface liquid of the copper foil 2b and the copper wire 2c into the electrolytic tank 2, then a plurality of drying spray heads 14 are started to dry residual moisture of the copper foil 2b and the copper wire 2c, when the end heads of the copper foil 2b and the copper wire 2c are close to the guide roller, the copper foil 2b and the copper wire 2c are manually peeled off to bypass the guide roller and are installed on the winding roller 5 (only manual work is needed at the initial stage and automatic peeling is needed at the subsequent stage), wherein the end heads of the copper foil 2b are pressed and fixed on a buffer shell 5g of the winding roller 5 through a pressing plate 5i (as shown in fig. 5), the end heads of the copper wire 2c are pressed and fixed in the winding tank 5a through a screw sleeve 5c in a screwing manner, and along with synchronous rotation of the winding roller 5, the copper foil 2b and the copper wire 2c form a winding path as shown in fig. 7-8.
S3: because the titanium roller 4 is communicated with the cathode of the power supply 15, the conductive slip ring 8 at the shaft end of the titanium roller 4 is communicated with the ground wire end of the logic module 9, then the conductive slip rings 8 at the shaft ends of the two ends of the winding roller 5 are communicated with the detection end of the logic module 9, a state shown in figure 6 is formed, when the copper foil 2b and the copper wire 2c are normally wound, because the insulating tape 4b is only attached to the surface layer on the titanium roller 4, the potential at the ground wire end of the logic module 9 can be sequentially transmitted to the shaft end of the winding roller 5 through the lead wire 8, the conductive slip ring 8, the wire groove 4a, the copper wire 2c and the winding groove 5a, thereby the detection end potential of the winding roller 5 shaft end is pulled down through the logic module 9 connected with the conductive slip ring 8, when mechanical vibration or operation errors cause the thin layer of the copper foil 2b to have a fracture trend, and the surface-shaped object cracks are generated from the edge first, when the copper wire 2c breaks, the copper wire 2b at two sides is firstly broken, the conductor between the wire groove 4a and the winding groove 5a is cut off, and simultaneously, because the insulating block 5b isolates the potential at the middle part of the winding roller 5 to the potential from the copper wire 5b to the shaft end, namely the copper foil 5b, the copper wire 2b is only has a negative potential, the film 5b is only, the film 5b is forced to be controlled, the film-end is controlled, and the film-winding is automatically, and the film-winding is controlled, and the film-winding is controlled, the film-winding is stressed, and the film-end is controlled, and the signal is blown, and the film-winding is stressed, and the film-state, and the device is stressed.
In addition, the control module 10 also sends a turn-off instruction to the delay relay 15a to turn off the power supply 15, so that the titanium roller 4 and the anode plate 3 lose electrodes to interrupt the reduction reaction to prevent the copper foil 2b from continuing to thicken, and the action of the delay relay 15a is delayed, so that the turn-off instruction of the power unit 7 is delayed, the braking action of the power unit 7 cannot conflict with the turn-off action of the power supply 15, and the braking action is preferentially implemented to ensure the safety of the copper foil 2 b; the feedback end of the logic module 9 can also send a signal to the alarm module 11, and the audible and visual alarm of the alarm module 11 is started to enable staff to arrive at the site for maintenance. The buffer shell 5g of the wind-up roll 5 can buffer the instant impact by the hinge structure of the buffer shell on the movable arm 5l, and provides multiple protection measures for the thin copper foil 2b to ensure the integrity of the shape.
S4: after the troubleshooting of the overhauling personnel is completed, the position of the adjustable bearing seat is readjusted to enable the copper foil 2b guided by the guide roller 6 to be in proper tension, broken copper wires are connected through gluing or spot welding (preferably, in other embodiments, the broken copper wires can be connected through welding glue or nail-free glue), then the power supply 15 and the power unit 7 are restarted to enable the titanium roller 4 to continue copper production and rotation, normal production operation of the thin-layer copper foil 2b is ensured, and the battery energy density of a terminal battery product is improved.
The foregoing description of the preferred embodiment of the invention is not intended to limit the invention in any way, but it should be understood that the embodiment can be modified and varied in other ways within the scope of the invention, which is also within the scope of the appended claims.
Claims (10)
1. The utility model provides a light-duty electrode copper foil apparatus for producing, includes liquid separating cylinder, electrolysis trough, anode plate, titanium roller, wind-up roll, guide roll, power unit, a plurality of conductive slip ring, logic module, control module, its characterized in that: the electrolytic tank is an upper opening hollow container, the inner cavity of the electrolytic tank is provided with a plurality of anode plates in parallel, the top edges of the anode plates are provided with semicircular grooves, the titanium rollers are concentrically arranged on semicircular central shafts of the grooves, the winding rollers are arranged on one side of the titanium rollers at intervals, guide rollers are arranged between the winding rollers and the titanium rollers, a power unit is a rotary power device, the winding rollers, the guide rollers, the titanium rollers are in transmission connection with the power unit, wire grooves are respectively arranged at two ends of the winding rollers, winding grooves are respectively arranged at two ends of the guide rollers, the wire grooves at two sides are respectively overlapped on two reference surfaces, an insulating tape is arranged at two ends of each wire groove, the insulating tape is attached to the surface of the titanium winding rollers, a guide block is arranged at the inner end of each winding groove, the inner end of each wire groove is in contact with a sliding ring, the wire guide block is arranged at one end of each wire guide block, the wire guide block is connected with one end of the winding roller in a logic winding block, the wire guide block is connected with one end of the logic block, and the logic block is connected with one end of the logic block through the two ends of the logic block, and the logic block is connected with the two ends of the logic block.
2. The lightweight electrode copper foil production device according to claim 1, wherein: the intelligent control device is characterized by further comprising an alarm module and a power supply, wherein the feedback end of the logic module is connected with the alarm module, the anode plate is communicated with the anode of the power supply, the titanium roller is communicated with the cathode of the power supply, and the control module is connected with the delay relay on the power switch circuit.
3. The lightweight electrode copper foil production device according to claim 1, wherein: the polishing device comprises a titanium roller, a power unit, a polishing wheel, a cleaning nozzle and a drying nozzle, wherein the polishing wheel is attached to the surface of one side of the titanium roller, which is far away from the guide roller, and is in transmission connection with the power unit, the cleaning nozzle and the drying nozzle are fixed on one side of the titanium roller from bottom to top, the nozzle faces the roller surface area between the titanium roller and the guide roller, cleaning medium in the cleaning nozzle is foam liquid, and drying medium in the drying nozzle is hot air.
4. The lightweight electrode copper foil production device according to claim 1, wherein: copper foil is attached to the middle roller surface of the titanium roller, the guide roller and the winding roller, copper wires are embedded in the wire grooves, the guide grooves and the winding grooves, the two copper wires are arranged on two sides of the copper foil, and the directions of the copper wires and the extending paths of the copper foil are the same.
5. The lightweight electrode copper foil production device according to claim 1, wherein: cylindrical ends at two ends of the insulating block are sleeved with inner holes of the roller body of the winding roller to form transition fit or interference fit, flat keys or splines are arranged at the ends of the two ends of the insulating block, and a plurality of fixing pins penetrating through the roller body and the ends of the insulating block are arranged on the winding roller.
6. The lightweight electrode copper foil production device according to claim 1, wherein: the utility model discloses a wind-up roll, including wind-up roll, baffle, spring, damping shell, arm, extension spring, wherein the wind-up roll middle part roll body is equipped with the breach groove, and its roll body surface laminating is equipped with the buffering shell simultaneously, buffering shell tip is the circular arc casing, is equipped with the slot in its circular arc end, the embedding is equipped with the clamp plate in the slot, the clamp plate top is equipped with and runs through holding screw of slot cell wall, wind-up roll inner chamber is equipped with wind-up roll axle, arm, fixed arm, extension spring, the wind-up roll axle is located wind-up roll inner chamber axis department, arm one end with buffering shell inner wall fixed connection, the other end with the winding axle closes and forms articulated assembly, the fixed arm is fixed in wind-up roll inner wall department, extension spring both ends end is fixed respectively the arm with on the fixed arm, the arm supports under the extension spring elasticity effect the cell wall in breach groove.
7. The lightweight electrode copper foil production device according to claim 1, wherein: the winding device is characterized in that a thread sleeve is arranged on the outer side of the winding roller, which is attached to the winding groove, and is assembled with the winding roller in a thread sleeve mode, and a round angle is arranged on the edge of the surface of the winding groove, which faces the insulating block, of the thread sleeve.
8. The lightweight electrode copper foil production device according to claim 1, wherein: the middle roller body of the titanium roller is equal to the wire groove in diameter, the middle roller body of the guide roller is equal to the guide groove in diameter, the middle roller body of the winding roller is equal to the winding groove in diameter, the wire groove, the winding groove and the guide groove are equal in width, and the size of the wire groove is less than or equal to 2mm.
9. The lightweight electrode copper foil production device according to claim 1, wherein: the shaft end of the guide roller is arranged on the power unit through a sliding block type bearing seat, the end face of the titanium roller and the surface of the shaft end close to the end face are both provided with insulating coatings, and the insulating coatings are made of polytetrafluoroethylene.
10. The lightweight electrode copper foil production device according to claim 1, wherein: the insulating tape material is polytetrafluoroethylene, the insulating block material is PEEK, the layer body of insulating tape of silk groove outer end extends to cover in the outer end edge of titanium roller.
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| JPH04189245A (en) * | 1989-12-08 | 1992-07-07 | Mitsui Petrochem Ind Ltd | Method and device for slitting amorphous metal foil |
| JP3416620B2 (en) * | 2000-06-14 | 2003-06-16 | 株式会社日鉱マテリアルズ | Electrolytic copper foil manufacturing apparatus and electrolytic copper foil manufacturing method |
| JP4441642B2 (en) * | 2000-12-27 | 2010-03-31 | 三井金属鉱業株式会社 | Titanium cathode electrode for producing electrolytic copper foil, rotating cathode drum using the titanium cathode electrode, method for producing titanium material used for titanium cathode electrode, and method for correcting titanium material for titanium cathode electrode |
| JP5789723B2 (en) * | 2011-11-15 | 2015-10-07 | ポスコ | Horizontal electroforming apparatus for manufacturing high-speed metal foil and manufacturing method |
| CN202989307U (en) * | 2012-12-03 | 2013-06-12 | 赣州逸豪实业有限公司 | Electrolytic copper foil foil-production machine provided with tension sensors |
| CN204825076U (en) * | 2015-06-17 | 2015-12-02 | 江阴市明康电子科技有限公司 | Online cleaning's electrolytic copper foil foil forming machine |
| JP6990130B2 (en) * | 2018-03-15 | 2022-01-12 | 株式会社Uacj | Electrolytic aluminum foil manufacturing method and manufacturing equipment |
| CN210456753U (en) * | 2019-05-08 | 2020-05-05 | 东莞华威铜箔科技有限公司 | Multi-shaft synchronous control winding equipment of ultra-thin copper foil forming machine |
| CN110904472B (en) * | 2019-11-21 | 2021-06-08 | 湖北中一科技股份有限公司 | Cathode roller capable of preventing electrolytic copper foil from being broken and preparation method thereof |
| CN215209671U (en) * | 2021-07-05 | 2021-12-17 | 东强（连州）铜箔有限公司 | Electrolytic copper foil is with preventing disconnected paper tinsel device |
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