CN116730056B - Copper foil coiling mechanism of measurable defect - Google Patents
Copper foil coiling mechanism of measurable defect Download PDFInfo
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- CN116730056B CN116730056B CN202311025837.7A CN202311025837A CN116730056B CN 116730056 B CN116730056 B CN 116730056B CN 202311025837 A CN202311025837 A CN 202311025837A CN 116730056 B CN116730056 B CN 116730056B
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 title claims abstract description 143
- 239000011889 copper foil Substances 0.000 title claims abstract description 129
- 230000007246 mechanism Effects 0.000 title claims abstract description 81
- 230000007547 defect Effects 0.000 title claims abstract description 35
- 230000005540 biological transmission Effects 0.000 claims abstract description 76
- 238000001514 detection method Methods 0.000 claims abstract description 68
- 238000004804 winding Methods 0.000 claims abstract description 67
- 238000003825 pressing Methods 0.000 claims abstract description 40
- 238000004458 analytical method Methods 0.000 claims abstract description 6
- 238000010438 heat treatment Methods 0.000 claims description 19
- 238000004519 manufacturing process Methods 0.000 claims description 9
- 230000004888 barrier function Effects 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 8
- 238000005096 rolling process Methods 0.000 claims description 6
- 230000000903 blocking effect Effects 0.000 claims description 5
- 239000007921 spray Substances 0.000 claims description 5
- 238000011835 investigation Methods 0.000 claims description 4
- 238000012545 processing Methods 0.000 claims description 4
- 230000035515 penetration Effects 0.000 claims 4
- 238000005192 partition Methods 0.000 description 8
- 239000003792 electrolyte Substances 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 238000013528 artificial neural network Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000035807 sensation Effects 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H18/00—Winding webs
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H18/00—Winding webs
- B65H18/08—Web-winding mechanisms
- B65H18/10—Mechanisms in which power is applied to web-roll spindle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H26/00—Warning or safety devices, e.g. automatic fault detectors, stop-motions, for web-advancing mechanisms
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/89—Investigating the presence of flaws or contamination in moving material, e.g. running paper or textiles
- G01N21/892—Investigating the presence of flaws or contamination in moving material, e.g. running paper or textiles characterised by the flaw, defect or object feature examined
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2701/00—Handled material; Storage means
- B65H2701/10—Handled articles or webs
- B65H2701/11—Dimensional aspect of article or web
- B65H2701/113—Size
- B65H2701/1133—Size of webs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2701/00—Handled material; Storage means
- B65H2701/10—Handled articles or webs
- B65H2701/17—Nature of material
- B65H2701/173—Metal
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
Abstract
The invention discloses a copper foil winding device capable of detecting defects, which relates to the technical field of electrolytic copper foil and comprises a frame, a winding mechanism, a detection mechanism, a marking mechanism and a control module, wherein the winding mechanism and the detection mechanism are arranged on the frame and are suitable for winding copper foil and detecting the surface defect condition of the copper foil, the marking mechanism and the detection mechanism are matched and arranged and are suitable for marking the defect position on the surface of the copper foil, and the control module is electrically connected with the winding mechanism, the detection mechanism and the marking mechanism and is suitable for controlling the winding, the surface detection and the marking of the copper foil; the detecting mechanism comprises a fixing assembly and a detecting box, wherein an inlet and an outlet for copper foil to pass through are formed in two sides of the detecting box, a light transmission point positioning area, an eye pressing judging area and a light transmission point measuring area are arranged in the detecting box, when the copper foil is wound, the copper foil can sequentially pass through the three areas, light transmission point positioning is carried out, whether an eye pressing exists or not is judged, and the size of the existing light transmission point is measured approximately so as to facilitate later analysis of the cause of defects.
Description
Technical Field
The invention relates to the technical field of electrolytic copper foil, in particular to a copper foil winding device capable of detecting defects.
Background
Electrolytic copper foil is an important material for manufacturing Copper Clad Laminate (CCL), printed Circuit Board (PCB) and lithium ion battery. In the current high-speed development of the electronic information industry, the electrolytic copper foil is called a 'neural network' for transmitting and communicating signals and power of electronic products. The electrolytic copper foil has simple production procedures, and the main procedures comprise three procedures: solution foil production, surface treatment and product slitting. The electrolytic copper foil production is an engineering combining a plurality of fine small links, the situation is fine, the production technology and the product quality are satisfactory, and any detail is not done, so that the product quality is defective.
Before the electrolytic copper foil is finally rolled, whether the surface has a light-transmitting point or not is checked, and the diameter of a hole (or eye) penetrating from one surface of the copper foil to the other surface is smaller than 1 millimeter, so that the light-transmitting point of the electrolytic copper foil is called. People refer to the light transmission points visible by naked eyes in sunlight as holes in the electrolytic copper foil; the light-transmitting points visible in the darkroom are called pinholes, and the light-transmitting points coming out of the hard objects are called pressed eyes. The light transmission point is generally referred to as a light transmission point, and the diameter is less than 1 millimeter. And 40 mm from the edge of the copper foil.
At present, the surface of the electrolytic copper foil before rolling is generally detected by manually irradiating the surface of the copper foil with a flashlight, so that only obvious defects can be detected by using eyes, and the subsequent solutions possibly considered for different types are inconsistent, so that the manual detection is not only labor-consuming, but also the types of the surface defects are difficult to distinguish.
Disclosure of Invention
The invention aims to provide a copper foil winding device capable of detecting defects, so as to solve the problems in the background technology.
In order to solve the technical problems, the invention provides the following technical scheme: the copper foil winding device capable of detecting defects comprises a frame, a winding mechanism, a detection mechanism, a marking mechanism and a control module, wherein the winding mechanism and the detection mechanism are arranged on the frame and are suitable for winding copper foil and detecting the surface defect condition of the copper foil, the marking mechanism and the detection mechanism are matched and arranged and are suitable for marking the defect position on the surface of the copper foil, and the control module is electrically connected with the winding mechanism, the detection mechanism and the marking mechanism and is suitable for controlling winding, surface detection and marking of the copper foil; the detection mechanism comprises a fixing component and a detection box, wherein the fixing component is suitable for fixing the detection box on a frame according to the actual copper foil winding stroke, an inlet and an outlet for copper foil to pass through are formed in two sides of the detection box, three partitions are arranged in the detection box, the detection mechanism is a light transmission point positioning area, an eye pressing judging area and a light transmission point measuring area respectively, when copper foil is wound, the three areas can be sequentially passed through, light transmission point positioning is carried out, whether an eye pressing exists or not is judged, and the size of the existing light transmission point is measured approximately so that the defect is generated by later analysis.
Furthermore, the light-transmitting point positioning area comprises a plurality of photosensitive plates, a surface light source and a light barrier, wherein the surface light source and the light barrier are arranged in a matched mode with the photosensitive plates, each photosensitive plate and the surface light source are divided into an upper area and a lower area when copper foil passes through, the upper area is the photosensitive plate, the lower area is the surface light source, and the light barrier is inserted between the various partitions, particularly between the photosensitive plates, so that mutual influence is avoided.
Further, the eye pressing judging area is closely attached to the light transmission point positioning area and comprises an upper limit guide post, a lower limit guide post and an infrared ranging module, wherein a channel for a copper foil to pass through is reserved between the limit guide posts, the infrared ranging module is arranged corresponding to the channel, and can measure the distance between the infrared ranging module and the copper foil within the height range of the channel and feed back the distance to the control module to judge whether the surface has an eye pressing.
Further, the light transmission point measuring area is arranged at the exit of the eye pressing judging area in a clinging mode and comprises a plurality of groups of laser transmitters and light beam receivers which are arranged corresponding to the laser transmitters, the light transmission point measuring area is divided into partitions corresponding to the partitions of the light transmission point positioning area, light blocking plates are arranged between the partitions, the laser transmitters are arranged at intervals in a staggered mode and are suitable for emitting light beams with a certain width upwards, the light beam receivers can be photosensitive devices such as photomultiplier tubes and the like, and the light receivers are suitable for converting light signals into electric signals and then feeding the electric signals back to the control module to measure the size of an actual light transmission point.
Further, the marking mechanism comprises an ink assembly and a heating roller, wherein the ink assembly is arranged on the detection box and located at the outlet of the copper foil and is suitable for marking according to the detected flaw position, and the heating roller is located between the winding mechanism and the detection mechanism and is suitable for heating the copper foil body so as to quickly dry the marking position to prevent the ink from being stained with other places after winding and affecting the subsequent treatment.
Further, the ink assembly comprises a guide rail, a plurality of ink boxes and fixing screws matched with the ink boxes, positioning holes are formed in the guide rail in a spaced arrangement mode, nozzles are arranged on the ink boxes, the ink boxes are fixed on the guide rail at intervals through the fixing screws and the positioning holes, and if flaws occur in the area range, the nozzles can spray ink to the surface of the copper foil to serve as marks.
Further, the heating roller both ends are provided with movable block and movable cylinder, wherein movable block one end articulates in the frame, and the other end is used for centre gripping heating roller tip, movable cylinder is fixed in the frame, and the output is connected with movable block, is suitable for driving the heating roller motion through movable block.
Further, the winding mechanism comprises a winding motor, a transmission wheel set and a winding roller, wherein the transmission wheel set is respectively connected with the winding motor and the winding roller.
The specific method comprises the following steps:
s1, copper foil introduction: before starting to wind the copper foil, the copper foil is firstly introduced into a detection mechanism and then passes through the detection mechanism to be fixed on the winding mechanism;
s2, winding: after the copper foil is fixed, the control module starts the winding mechanism and starts winding at a certain speed;
s3, detecting a light transmission point area: the transparent spot positioning area is used for detecting the surface of the passing copper foil and mainly comprises two aspects of whether the surface has transparent spots to be produced and the position of the area where the produced transparent spots are approximately located;
s4, eye pressing detection: the eye pressing judging area is used for detecting the surface of the copper foil and mainly comprises two aspects of whether the surface is provided with an eye pressing and the position of the produced eye pressing is approximately located;
s5, detecting the size of the light transmission point: the control module starts a corresponding light transmission point measuring area according to the information fed back by the detection of the light transmission point area in the step S3, detects the approximate size of the light transmission point in the area and feeds the approximate size back to the control module;
s6, marking: starting the corresponding ink assembly to mark the surface of the copper foil according to the detected light transmission point and the detected eye pressing position;
s7, analysis processing: the control module gathers the results detected by the areas of the detection mechanism, analyzes the reasons of defects in the copper foil production and notifies the investigation.
Compared with the prior art, the invention has the following beneficial effects: the detection mechanism is arranged, and the three detection areas of the light transmission point positioning area, the eye pressing judging area and the light transmission point measuring area set by the detection box can detect the surface light transmission point flaws of the copper foil before rolling, and the area where the copper foil is positioned can be positioned by matching with the marking mechanism for subsequent treatment, so that the detection precision is improved, and meanwhile, the labor is saved; by the aid of the control module, the whole copper foil is detected and recorded, and meanwhile, the generation reasons are analyzed according to the number and the type of detected flaws so as to conduct investigation, and subsequent production quality is improved.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention. In the drawings:
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a partial schematic view of the present invention;
FIG. 3 is a schematic view of an ink set of the present invention;
FIG. 4 is a schematic view of a portion of a test cassette of the present invention;
FIG. 5 is a schematic view of a portion of the interior of the test cassette of the present invention;
FIG. 6 is a partial front view of the test cassette of the present invention;
FIG. 7 is a side-to-side view of FIG. 5 in accordance with the present invention;
FIG. 8 is a schematic view of an eye-press detection of the present invention;
in the figure: 1. a frame; 2. a winding mechanism; 21. a winding motor; 22. a transmission wheel set; 23. a wind-up roll; 3. a detection mechanism; 31. a fixing assembly; 32. a detection box; 321. a photosensitive plate; 322. a surface light source; 323. a light barrier; 324. limiting guide posts; 325. an infrared ranging module; 326. a laser emitter; 327. a beam receiver; 4. a marking mechanism; 41. an ink assembly; 411. a guide rail; 4111. positioning holes; 412. an ink cartridge; 4121. a nozzle; 413. a fixed screw; 42. a heating roller; 421. a movable block; 422. a movable cylinder; 5. copper foil.
Detailed Description
The technical scheme of the present invention is further described in non-limiting detail below with reference to the preferred embodiments and the accompanying drawings. It will be apparent that the described embodiments are only some, but not all, embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-8, the present invention provides the following technical solutions: the utility model provides a copper foil coiling mechanism of measurable defect, including frame 1, winding mechanism 2, detection mechanism 3, marking mechanism 4 and control module, wherein winding mechanism 2, detection mechanism 3 set up on frame 1, be suitable for the copper foil 5 of rolling and detect copper foil 5 surface flaw condition, marking mechanism 4 and detection mechanism 3 cooperation set up, be suitable for marking flaw position on copper foil 5 surface, control module is connected with winding mechanism 2, detection mechanism 3, marking mechanism 4 electricity, be suitable for controlling copper foil 5's rolling, surface detection and mark; the detection mechanism 3 comprises a fixing component 31 and a detection box 32, wherein the fixing component 31 is suitable for fixing the detection box 32 on the frame 1 according to the actual rolling stroke of the copper foil 5, an inlet and an outlet for the copper foil 5 to pass through are formed in two sides of the detection box 32, three areas are formed in the detection box, namely a light transmission point positioning area, an eye pressing judging area and a light transmission point measuring area, when the copper foil 5 is rolled, the three areas can be sequentially passed through, light transmission point positioning is carried out, whether an eye pressing exists or not is judged, and the size of the existing light transmission point is measured approximately so as to conveniently analyze the cause of defects in later period.
The light transmitting point positioning area comprises a plurality of light sensing plates 321, a surface light source 322 and a light blocking plate 323, wherein the surface light source 322 and the light sensing plates 321 are matched, each light sensing plate 321 and each surface light source 322 are divided into an upper area and a lower area, the light transmitting point positioning area is divided into an upper area and a lower area when the copper foil 5 passes through the light sensing plates 321, the surface light source 322 is arranged on the lower side, and the light blocking plate 323 is inserted between the various areas, particularly between the light sensing plates 321, so that mutual influence is avoided. In actual operation, the area light source 322 of each zone emits light to the upper side, if the surface of the copper foil 5 has no light transmission point, the light sensing plate 321 does not receive obvious light sensation change, and if the light transmission point exists, a stronger light signal appears, so that the zone where the light transmission point is located.
The eye pressing judging area is closely attached to the photosite positioning area and comprises an upper limit guide post 324, a lower limit guide post 324 and an infrared ranging module 325, wherein a channel for the copper foil 5 to pass through is reserved between the limit guide posts 324, the infrared ranging module 325 is arranged corresponding to the channel, and can measure the distance between the infrared ranging module and the copper foil 5 in the height range of the channel and feed back the distance to the control module to judge whether the surface has an eye pressing.
The light transmission point measuring area is arranged at the outlet of the eye pressing judging area in a close fit manner and comprises a plurality of groups of laser transmitters 326 and light beam receivers 327 which are arranged corresponding to the laser transmitters, the light transmission point measuring area is divided into subareas which correspond to the subareas of the light transmission point positioning area, light blocking plates 323 are arranged between the subareas, the laser transmitters 326 are arranged at intervals in a staggered manner and are suitable for emitting light beams with a certain width upwards, the light beam receivers 327 can be selected as photosensitive devices such as photomultiplier tubes and the like, and the light beams are suitable for being converted into electric signals and then fed back to the control module so as to measure the size of an actual light transmission point. What needs to be stated is: the light barrier 323 is not only used for separating the partitions, but also can play a role in guiding the copper foil 5, and can avoid the phenomenon that the copper foil is blocked into a certain area and the whole breaks down when the copper foil 5 passes through the light barrier.
The marking mechanism 4 comprises an ink assembly 41 and a heating roller 42, wherein the ink assembly 41 is arranged on the detection box 32 and positioned at the outlet of the copper foil 5, and is suitable for marking according to the detected flaw position, and the heating roller 42 is positioned between the winding mechanism 2 and the detection mechanism 3, and is suitable for heating the copper foil 5 body so as to quickly dry the marking position to prevent the ink from being stained at other places after winding, thereby influencing the subsequent treatment.
The ink assembly 41 comprises a guide rail 411, a plurality of ink cartridges 412 and fixing screws 413 matched with the ink cartridges 412, positioning holes 4111 are formed in the guide rail 411 in a spaced mode, nozzles 4121 are formed in the ink cartridges 412, the ink cartridges 412 are fixed on the guide rail 411 in a spaced mode through the fixing screws 413 and the positioning holes 4111, and if flaws occur in the area, the nozzles 4121 spray ink on the surface of the copper foil 5 to serve as marks.
The heating roller 42 both ends are provided with movable block 421 and movable cylinder 422, and wherein movable block 421 one end articulates in frame 1, and the other end is used for centre gripping heating roller 42 tip, and movable cylinder 422 is fixed in frame 1, and the output is connected with movable block 421, is suitable for driving heating roller 42 motion through movable block 421.
The winding mechanism 2 comprises a winding motor 21, a transmission wheel set 22 and a winding roller 23, wherein the transmission wheel set 22 is respectively connected with the winding motor 21 and the winding roller 23.
The specific implementation method is as follows:
s1, copper foil introduction: before starting to wind the copper foil 5, the copper foil 5 is introduced into the detection mechanism 3 and then passes through the detection mechanism 3 to be fixed on the winding mechanism 2, and the copper foil 5 can be wound for one circle to be shaped and then is wound subsequently by friction force;
s2, winding: after the copper foil 5 is fixed, the control module starts the winding mechanism 2 to start winding at the speed of 30 m/min;
s3, detecting a light transmission point area: the transparent spot positioning area detects the surface of the passing copper foil 5 and mainly comprises two aspects of whether the surface has transparent spots to be produced and the position of the area where the produced transparent spots are approximately located;
s4, eye pressing detection: the eye pressing judging area detects the surface of the copper foil 5 and mainly comprises two aspects of whether the surface is provided with an eye pressing and the position of the produced eye pressing is approximately located;
s5, detecting the size of the light transmission point: the control module starts a corresponding light transmission point measuring area according to the information fed back by the detection of the light transmission point area in the step S3, detects the approximate size of the light transmission point in the area and feeds the approximate size back to the control module;
s6, marking: starting the corresponding ink assembly 41 to mark the surface of the copper foil 5 according to the detected light transmission point and the detected eye pressing position;
s7, analysis processing: the control module gathers the results detected by the areas of the detecting mechanism 3, analyzes the cause of the defect generated in the production of the copper foil 5 and notifies the investigation.
Specifically, a section of copper foil 5 cannot be detected when the copper foil is introduced and fixed in S1, and a mark can be made for subsequent processing when the copper foil is fixed.
The detection method of the light transmission point area in the S3 is as follows: taking one of the partitions as an example, the photosensitive plate 321 records the light intensity before the start of winding and after the copper foil 5 is fixedThe initial light intensity that the copper foil 5 can normally pass through the inside of the light-transmitting point positioning area is perceived, the surface light source 322 at the lower side of the copper foil 5 continuously emits light with a large area, if no light-transmitting point exists on the surface of the copper foil, the light is isolated below, if the light-transmitting point exists, the light passes through the copper foil 5 and is projected onto the photosensitive plate 321, the light-sensing intensity is obviously changed, and the light-sensing intensity received in the winding process is set as +.>Judging->When the copper foil 5 has a light transmitting spot on its surface, wherein +.>And S3, determining the region where the error margin exists, and judging only the light transmission point and the region where the error margin exists.
The method for detecting the eye pressure in S4 comprises the following steps: the eye pressure may be light-transmitting or light-non-transmitting due to the hard object, the light transmission may be directly due to the detection range of the light transmission point, the light non-transmitting may be used for detecting the appearance, for example, the distance signal detected by the infrared distance measuring module 325 is set asWhich is provided withWherein x is a unit distance in the advancing direction of the copper foil 5, i.e. in the transverse direction, y is a unit distance in the height direction between the limit posts 324, i.e. in the longitudinal direction, the midpoint between the limit posts 324 is the origin, and +.>The coordinates corresponding to a lateral distance and a longitudinal distance to the right of the origin can be represented; when the copper foil 5 is measured, there are a plurality of consecutive lateral coordinates corresponding to the same longitudinal coordinate, and the measured distances should be the same, at this time, the distance to the side of the copper foil 5 is measured, if the surface of the copper foil 5 has an eye-pressing, the surface will have a section of protrusion, the infrared ranging module 325 will detect different distance signals, and the area where the eye-pressing is located can be determined according to the signals.
Further, the two sides of the copper foil 5 may be inspected by pressing eyes by disposing the infrared ranging module 325 on the side of the upper and lower limit guide posts 324 facing the copper foil 5.
And S5, detecting the size of the light transmission point: after locking the area where the light transmission spot is generated, the light beam receiver 327 performs a size calculation by the received light signal, roughly determining the size of the light transmission spot.
In S6, the ink assembly 41 may be set corresponding to each partition, the control module may record the defect point type and appearance sequence, the ink assembly 41 only needs to mark the approximate location, if necessary, it may correspond to the defect type recorded in the interior, after detecting the light-transmitting point area in S3, the control module may calculate the approximate time when the defect leaves the detection box 32 according to the winding speed of the copper foil 5 and the lengths of the eye pressing judgment area and the light-transmitting point measurement area, open the nozzle 4121 in the corresponding area, and spray ink on the surface of the copper foil 5, so that it may indicate that the defect exists in the area represented by the ink, and if there are multiple defects in the same transverse direction, it may also only make a mark.
The analysis method in S7 is approximately as follows: the repeated and continuous appearance of the light transmission points at a certain fixed position of the copper foil 5 is called continuous fixed light transmission points, the fixed light transmission points are easy to find, the positions of the light transmission points on the cathode roller are determined according to the distance between the light transmission points and the edge of the copper foil, and the positions of the light transmission points on the cathode roller are the positions where the defects exist or foreign matters are attached. The irregular appearance of the light-transmitting points on the copper foil is called sporadic light-transmitting points, and the sporadic light-transmitting points are not easy to find and are the arrival of electrolyte and environment. The light-transmitting points are called as flake light-transmitting points on a large area on the copper foil, the flake light-transmitting points are fixed and scattered, the electrolyte and the environment are dirty, the dirt on the cathode roller is the fixed light-transmitting points, and the scattered light-transmitting points caused by dirt in the electrolyte are not easy to find and solve. The common position of the pressing hole of the electrolytic copper foil is relatively fixed and is easy to find and solve.
In the description of the present invention, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "front", "rear", "left", "right", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Finally, it should be pointed out that: the above embodiments are only for illustrating the technical solution of the present invention, and are not limiting. Although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may be modified or some technical features may be equivalently replaced, and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (6)
1. The utility model provides a copper foil coiling mechanism of measurable defect which characterized in that: comprising the following steps:
the device comprises a frame (1), a winding mechanism (2), a detection mechanism (3), a marking mechanism (4) and a control module, wherein the winding mechanism (2) and the detection mechanism (3) are arranged on the frame (1) and are suitable for winding copper foil (5) and detecting the surface defect condition of the copper foil (5), the marking mechanism (4) is matched with the detection mechanism (3) and is suitable for marking the defect position on the surface of the copper foil (5), and the control module is electrically connected with the winding mechanism (2), the detection mechanism (3) and the marking mechanism (4) and is suitable for controlling winding, surface detection and marking of the copper foil (5);
the detection mechanism (3) comprises a fixing assembly (31) and a detection box (32), wherein the fixing assembly (31) is suitable for fixing the detection box (32) on the frame (1) according to the actual rolling travel of the copper foil (5), an inlet and an outlet for the copper foil (5) to pass through are formed in two sides of the detection box (32), and three subareas are arranged in the detection box and are respectively a light transmission point positioning area, an eye pressing judging area and a light transmission point measuring area;
the light-transmitting point positioning area comprises a plurality of photosensitive plates (321), a surface light source (322) and a light barrier (323) which are arranged in a matched mode with the photosensitive plates (321), each photosensitive plate (321) and each surface light source (322) are divided into an upper area and a lower area, the light-transmitting point positioning area is divided into an upper area and a lower area when the copper foil (5) passes through the light-transmitting point positioning area, the photosensitive plates (321) are arranged above, the surface light source (322) are arranged below, and the light barrier (323) is inserted between the areas to avoid mutual influence;
the eye pressing judging area is closely attached to the photosite positioning area and comprises an upper limit guide post (324) and a lower limit guide post (325), wherein a channel for a copper foil (5) to pass through is reserved between the limit guide posts (324), the infrared ranging module (325) is arranged corresponding to the channel, and is suitable for measuring the distance between the infrared ranging module and the copper foil (5) in the height range of the channel and feeding back the distance to the control module to judge whether the surface has an eye pressing;
the light transmission point measuring area is closely attached to the exit of the eye pressing judging area and comprises a plurality of groups of laser transmitters (326) and light beam receivers (327) which are arranged corresponding to the laser transmitters, the light transmission point measuring area is divided into subareas corresponding to the subareas of the light transmission point positioning area, light blocking plates (323) are arranged between the subareas, the laser transmitters (326) are arranged at intervals and in a staggered mode and are suitable for emitting light beams with a certain width upwards, and the light beam receivers (327) adopt photomultiplier tubes and are suitable for converting light signals into electric signals and feeding the electric signals back to the control module to measure the size of an actual light transmission point.
2. The defect-detectable copper foil winding device according to claim 1, wherein: comprising the following steps:
the marking mechanism (4) comprises an ink assembly (41) and a heating roller (42), wherein the ink assembly (41) is arranged on the detection box (32) and positioned at the outlet of the copper foil (5) and is suitable for marking according to the detected flaw position, and the heating roller (42) is positioned between the winding mechanism (2) and the detection mechanism (3) and is suitable for heating the copper foil (5) body so as to quickly dry the marking position to prevent the ink from being stained to other places after winding, thereby influencing subsequent treatment.
3. The defect-detectable copper foil winding device according to claim 2, wherein: comprising the following steps:
the ink assembly (41) comprises a guide rail (411), a plurality of ink boxes (412) and fixing screws (413) matched with the ink boxes (412), positioning holes (4111) are formed in the guide rail (411) in a spaced arrangement, nozzles (4121) are formed in the ink boxes (412), the ink boxes (412) are fixed on the guide rail (411) at intervals through the fixing screws (413) and the positioning holes (4111), and if flaws occur in the area, the nozzles (4121) spray ink to the surface of the copper foil (5) to serve as marks.
4. A defect-detectable copper foil winding device according to claim 3, wherein: comprising the following steps:
the heating roller (42) both ends are provided with movable block (421) and movable cylinder (422), wherein movable block (421) one end articulates on frame (1), and the other end is used for centre gripping heating roller (42) tip, movable cylinder (422) are fixed on frame (1), and the output is connected with movable block (421), is suitable for driving heating roller (42) motion through movable block (421).
5. The defect-detectable copper foil winding device according to claim 4, wherein: comprising the following steps:
the winding mechanism (2) comprises a winding motor (21), a transmission wheel set (22) and a winding roller (23), wherein the transmission wheel set (22) is respectively connected with the winding motor (21) and the winding roller (23).
6. The application method of the copper foil winding device capable of detecting defects is characterized by comprising the following steps of:
s1, copper foil introduction: before the copper foil (5) is wound, the copper foil is firstly introduced into the detection mechanism (3) and then passes through the detection mechanism (3) to be fixed on the winding mechanism (2);
s2, winding: after the copper foil (5) is fixed, the control module starts the winding mechanism (2) to start winding at a certain speed;
s3, detecting a light transmission point area: the transparent spot positioning area detects the surface of the passing copper foil (5) and mainly comprises two aspects of whether the surface has transparent spots to be produced and the position of the area where the produced transparent spots are approximately located;
s4, eye pressing detection: the eye pressing judging area detects the surface of the copper foil (5) and mainly comprises two aspects of whether the surface is provided with an eye pressing and the position of the produced eye pressing is approximately located;
s5, detecting the size of the light transmission point: the control module starts a corresponding light transmission point measuring area according to the information fed back by the detection of the light transmission point area in the step S3, detects the approximate size of the light transmission point in the area and feeds the approximate size back to the control module;
s6, marking: starting the corresponding ink assembly (41) to mark the surface of the copper foil (5) according to the detected light transmission point and the detected eye pressing position;
specifically, the nozzle (4121) of the ink assembly (41) is arranged in a region divided on the copper foil (5) corresponding to the light penetration point positioning region, the eye pressing judging region and the light penetration point measuring region, the control module records the defect point type and the appearance sequence, the ink assembly (41) marks the approximate position, if the defect point type is required, the ink assembly corresponds to the defect type recorded in the interior, after the light penetration point region is detected in the S3, the control module calculates the time period that the defect point leaves the detection box (32) according to the winding speed of the copper foil (5) and the lengths of the eye pressing judging region and the light penetration point measuring region, opens the nozzle (4121) of the corresponding region, and sprays ink on the surface of the copper foil (5), so that the defect exists in the representing range of the ink, and if a plurality of defects exist in the same transverse direction, the ink is marked only once;
s7, analysis processing: the control module gathers the results detected by all the subareas of the light transmission point positioning area, the eye pressing judging area and the light transmission point measuring area of the detection mechanism (3), analyzes the reason of the defect generated in the production of the copper foil (5) and informs the investigation.
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| CN202311025837.7A CN116730056B (en) | 2023-08-15 | 2023-08-15 | Copper foil coiling mechanism of measurable defect |
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| CN202311025837.7A CN116730056B (en) | 2023-08-15 | 2023-08-15 | Copper foil coiling mechanism of measurable defect |
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