CN210322756U - Auxiliary device for detecting film surface defects of thin film - Google Patents
Auxiliary device for detecting film surface defects of thin film Download PDFInfo
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- CN210322756U CN210322756U CN201920992218.8U CN201920992218U CN210322756U CN 210322756 U CN210322756 U CN 210322756U CN 201920992218 U CN201920992218 U CN 201920992218U CN 210322756 U CN210322756 U CN 210322756U
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Abstract
The utility model discloses a film face defect detection auxiliary device belongs to the detection device field. The auxiliary device for detecting the film surface defects comprises a supporting frame, and further comprises an unwinding roller and a winding roller which are arranged in parallel, wherein the unwinding roller and the winding roller are movably connected to the upper end of the supporting frame. The utility model discloses an auxiliary device is really a membrane face defect reinspection device, this auxiliary device that membrane face defect detected makes things convenient for operating personnel to take a sample, the analysis to the defect more, is showing improvement defect reinspection efficiency. The utility model discloses still have simple structure, reasonable in design, easily manufactured advantage.
Description
Technical Field
The utility model belongs to the detection device field, specifically speaking relates to a film face defect detection auxiliary device.
Background
Polyolefin microporous films are widely used in various fields, for example, filtration membranes for air purification, water treatment and the like, separators for electrolysis, batteries and the like, gas exchange membranes, artificial organs, beverage purification, enzyme purification and the like. Among them, the use of microporous films in batteries, particularly lithium ion battery separators, is becoming more and more important, and when polyolefin microporous films are used in the production of batteries, their manufacture, excellent ion permeability, excellent mechanical strength, and good uniformity are required. In this case, the film surface quality of the microporous polyolefin film is an important factor affecting the overall performance of the battery. In order to ensure the service performance and the safety of the battery, the film surface of the polyolefin microporous film cannot have the defects of pinholes, oil stains, oil spots and the like, so that the battery is prevented from having faults such as short circuit and the like.
In the modern polyolefin microporous film production line, an online defect detection device can be installed to facilitate real-time monitoring and statistics of the defects and quality of the whole film surface, record the types, the quantity and the positions of the defects, and the method comprises the following steps: CN207163929U, announcement date: 2018-03-30 discloses a lithium battery diaphragm membrane surface quality inspection device, which comprises: the computer case comprises a pinhole detection area and a deformation detection area which are arranged in a separated mode; the detection device comprises a pinhole detection mechanism, a detection unit and a detection unit, wherein the pinhole detection mechanism is positioned in a pinhole detection area and at least used for detecting a pinhole on a diaphragm; the deformation detection mechanism is positioned in the deformation detection area and at least used for detecting the deformation of the diaphragm; the device also comprises a feeding mechanism which is positioned in the case and used for driving the diaphragm to sequentially pass through the pinhole detection mechanism and the deformation detection mechanism to carry out corresponding detection. However, the on-line production has the characteristics of high-speed operation, precision, complexity, high price, wide occupied area and inconvenient use. Further problems arise in that, after the film surface inspection of the automatic production line, the specific cause of the defect or whether the defect is misjudged by the production line inspection equipment still cannot be confirmed, and the defect needs to be found out for further rechecking, confirmation and analysis, and finally determined: 1) whether the defect is a defect recorded by an on-line inspection apparatus; 2) and sampling the defect part, and further analyzing the defect by using a scanning electron microscope and other detection instruments to find out the specific reason of the defect. For example: the specific position of the production line equipment with problems is reversely deduced through judging the position and the shape of the defect and parameters such as the stretching ratio, and the like, so that the later production is guaranteed.
Based on above-mentioned demand, the workshop is usually distributed the operative employee and is carried out artifical manual seeking to the membrane book that the production line got off, finds the detailed position and the size of the defect that on-line measuring equipment recorded to sample, this kind of defect searching mode inefficiency, work load is big, consequently, needs to assemble one set of simple structure, low price, convenient to use's membrane face defect reinspection device urgently.
Disclosure of Invention
1. Problems to be solved
The operation inefficiency is reinspected to current face defect, lacks the problem of a defect reinspection device, the utility model provides a film face defect detection auxiliary device. This auxiliary device is a diaphragm face defect reinspection device in fact, the utility model discloses a diaphragm face defect detection's auxiliary device makes things convenient for operating personnel to take a sample, the analysis to the defect more, is showing and is improving defect reinspection efficiency.
2. Technical scheme
In order to solve the above problems, the utility model adopts the following technical proposal.
The auxiliary device for detecting the film surface defects comprises a supporting frame, and further comprises an unwinding roller and a winding roller which are arranged in parallel, wherein the unwinding roller and the winding roller are movably connected to the upper end of the supporting frame.
In order to facilitate the searching of the defects by operators and the winding and unwinding of the diaphragm, preferably, the unwinding roller and the winding roller are the same in height from the ground, namely, the surfaces of the unwinding roller and the winding roller are parallel to the ground, and the winding is more labor-saving.
In order to calculate the position of the defect more accurately, the winding roller is preferably provided with a turn number counting device.
In order to facilitate the shutdown of operators to sample defects, preferably, a handle is arranged on the winding roller.
In order to improve the winding efficiency of the winding roller and save the re-inspection time, the winding device preferably further comprises a motor, and an output shaft of the motor is connected with the winding roller.
In order to reduce the damage of the handle to the hand in the winding operation process, the handle is preferably sleeved with a rubber sleeve.
For the convenience of placing the lamp box for defect detection, preferably, a platform is arranged on the inner side of the supporting frame, and the platform is parallel to the surface where the unwinding roller and the winding roller are located.
In order to prevent the lamp box from slipping off, insulate current and guarantee the safety of operators, preferably, the upper surface of the platform is provided with a rubber layer.
Preferably, the distance between the surface where the unwinding roller and the winding roller are located and the platform is 5-20 cm, the phenomenon that strong light damages human eyes due to too short distance is avoided, and the defect finding is difficult due to too long distance and weak light is avoided.
In order to facilitate observation of membrane surface defects of the diaphragm, the height of the supporting frame is preferably 1.1-1.5 m.
Preferably, the unwinding roller is a hollow roller, and when the film is wound on the hollow roller and is wound, the resistance is smaller, so that the winding becomes more labor-saving.
In order to increase the engagement between the wind-up roll and the film roll, preferably, the wind-up roll is an inflatable roll.
For facilitating the loading and unloading of the unwinding roller and the winding roller, preferably, the unwinding roller and the winding roller are movably connected to the upper end of the supporting frame through a supporting ring.
Under the inconvenient circumstances that removes of membrane book, preferably, braced frame bottom is connected with removes the wheel, and the whole set of device of reinspecting can remove as required that detects, and it is more convenient to use.
3. Advantageous effects
Compared with the prior art, the beneficial effects of the utility model are that:
(1) the utility model discloses a defect detection auxiliary device, including unwinding roller and wind-up roll of parallel arrangement on braced frame, unwinding roller and wind-up roll can move about on braced frame, when needing to reexamine the defect on the membrane book, can overlap the membrane book cover on the unwinding roller to pass through the wind-up roll rolling with the membrane face that has detected, make defect reexamination become more orderly, detection efficiency is showing and is improving;
(2) the film surface defect detection device of the utility model is characterized in that the winding roll is provided with a number-of-turns counting device, the winding number of turns of the winding roll is recorded, the detected film surface length is accurately calculated, the defect of the recheck is more conveniently recorded and analyzed, and the accuracy of the defect recheck is improved;
(3) the film surface defect detection device of the utility model is characterized in that the winding roll is provided with a handle, so that an operator can manually and controllably find the position of the defect according to the defect recorded by the online automatic defect detection equipment for rechecking, and can stop the rotation of the unwinding roll and the winding roll at any time for defect sampling, thereby being more convenient to operate and effectively improving the efficiency of collecting film surface defect samples;
(4) the film surface defect detection device of the utility model is characterized in that the inner side of the supporting frame is also provided with a platform for placing defect detection equipment, such as an adjustable lamp box, thereby effectively improving the detection efficiency of defects;
(5) the utility model discloses simple structure, reasonable in design easily makes.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is the structure schematic diagram of wind-up roll.
In the figure: 1. a support frame; 2. a platform; 3. a diaphragm; 4. unwinding rollers; 5. a wind-up roll; 501. a roller body; 502. a handle; 503. a number of turns counting device; 6. a support ring; 7. the wheel is moved.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. Furthermore, the technical features mentioned in the embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.
It should be noted that, in the description of the present invention, the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of description and simplification of description, and do not indicate or imply that the device or element 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.
Example 1
The utility model provides a film face defect detection auxiliary device, including braced frame 1, braced frame 1 of this embodiment includes four parallel symmetry and sets up stand and four crossbeams, four crossbeams are fixed connection respectively in per two adjacent stand bottoms, make whole braced frame 1 constitute as shown in figure 1 four foot supports, still include parallel arrangement's unwinding roller 4 and wind-up roll 5, wherein, two stands are used for supporting unwinding roller 4, two other pillars are used for supporting wind-up roll 5, for making things convenient for operating personnel to seek the defect, and be convenient for receiving and releasing of diaphragm 3, unwinding roller 4 and wind-up roll 5 are highly the same apart from ground, it is more laborsaving to roll simultaneously. For facilitating the shutdown of operators to sample the defects, as shown in fig. 2, the winding roller 5 is provided with a handle 502, the operators can manually and controllably find the positions of the defects according to the defects recorded by the online automatic defect detection equipment for rechecking, and can stop the rotation of the unwinding roller 4 and the winding roller 5 at any time to sample the defects, so that the operation is more convenient, and the efficiency of collecting film surface defect samples is effectively improved. The handle 502 is sleeved with a rubber sleeve, so that damage to hands caused by the handle 502 in the winding operation process is reduced.
In order to facilitate the loading and unloading of the unwinding roller 4 and the winding roller 5, further, the unwinding roller 4 and the winding roller 5 are movably connected to the upper end of the supporting frame 1 through a supporting ring 6, specifically, the supporting ring 6 is fixedly arranged at the upper end of each strut, the section circle radius of the supporting ring 6 of the embodiment is the same as the peripheral radius of the roller supported by the supporting ring 6, so that the unwinding roller 4 and the winding roller 5 are clamped into the supporting ring 6 and can smoothly rotate, the supporting ring 6 can be a closed-loop ring sleeve or a notched ring sleeve of the embodiment, but it should be noted that the notched arc length of the notched ring sleeve is smaller than half of the section circumference of the notched ring sleeve, that is, the supporting ring 6 needs to limit the unwinding roller 4 and the winding roller 5 in the vertical direction, and the phenomenon that the unwinding roller 4 and the winding roller 5 are separated from the supporting ring 6.
During installation, the unwinding roller 4 and the winding roller 5 are inserted into the support ring 6 on the upright post on one side and extend to the support ring 6 on the upright post on the other side to stretch out, and if necessary, the unwinding roller 4 and the winding roller 5 can be limited forwards and backwards by adopting a limit ring, so that the phenomenon that the winding is uneven due to the forward and backward movement of the unwinding roller 4 and the winding roller 5 in the winding and unwinding process of the diaphragm 3 is prevented, and the calculation accuracy of the length of the diaphragm 3 is influenced finally. When defects on the film roll need to be rechecked, the film roll can be sleeved on the unwinding roller 4, and the detected film surface is wound through the winding roller 5.
In the embodiment, the platform 2 is arranged on the inner side of the support frame 1, the platform 2 is parallel to the upper end surface of the support frame 1, the upper end surface refers to a horizontal plane where the upper ends of the four stand columns are located, the platform 2 is used for placing an adjustable lamp box for defect detection, and for pinhole defects, bright light spots can appear at pinholes after light irradiation of the lamp box; under the irradiation of light, the defects of oil stains and oil spots obviously appear in a dark spot. The distance between the upper end surface of the supporting frame 1 and the platform 2 is 5cm, so that the phenomenon that the distance is too short, and strong light damages human eyes is avoided. The utility model discloses receive and release equipment integration with check out test set and diaphragm 3, make things convenient for one-man operation more, indirectly improved production efficiency.
Defect rechecking and sampling processes:
1) a preparation stage: the whole diaphragm roll prepared by the production line is about 3-4 m wide and 2000m long, and is wound on a paper core tube, called a mother roll, before the mother roll is unpacked and transported or used, the mother roll is subjected to a slitting process, the 4m wide mother roll is divided into small mother rolls with the widths of 0.5m, 0.6m, 0.7m and the length of about 1000m (or other widths and length specifications), if a defect position recorded by an automatic online defect detection device is 1m close to the 4m of the mother roll and the longitudinal length is 800m, the defect should be located on the small mother roll with the width of 0.6m and the length of 1000m according to the slitting mode.
At this time, the paper core tube of the small parent roll with the width of 0.6m and the length of 1000m is sleeved on the unwinding roller 4, one paper core tube is sleeved on the winding roller 5 for winding the diaphragm 3, and the handle 502 is rotated to wind the inspected film surface.
It should be noted that, in order to ensure the smooth winding and unwinding of the diaphragm 3, the diameter of the unwinding roller 4 needs to be smaller than the inner diameter of the paper core tube, the length of the paper core tube used in this embodiment is 800mm, and the inner diameter is 152.5mm, so the diameter of the unwinding roller 4 is set to be 50-100 mm. In order to increase the occlusion between the winding roller 5 and the film roll so as to roll the diaphragm 3 regularly, the roller body 501 of the winding roller 5 is an inflatable roller which can be inflated to reach the inner diameter of the paper core tube, the use is very convenient and fast, only a self-prepared air source is needed, the occlusion can be completed by inflating an air nozzle on the inflatable roller, when the paper core tube needs to be released for discharging, the sliding air core on the air nozzle can be pressed by hand to be deflated, and the external paper core tube can be taken out.
Unreel roller 4 and wind-up roll 5 length of this embodiment and be 1m, for processing is convenient, and can make the rotation of refill pipe on the roller with place, unreel roller 4 and wind-up roll 5 length need be good at refill pipe length 100 ~ 300mm, and unreel roller 4 and wind-up roll 5 length short-term, both ends still need add and establish receipts unwinding equipment, the cost-push. Furthermore, the unwinding roller 4 is designed as a hollow roller, in particular to a hollow steel pipe, when the diaphragm is wound and sleeved on the hollow roller and is wound, the resistance is smaller, and the winding is more labor-saving.
2) And (3) a rechecking stage: and opening the lamp box on the platform 2, and adjusting the brightness to adapt to the detection requirement. The operator manually rotates the handle 502 to wind the separator 3 having no defects on the bobbin on the wind-up roller 5, the winding thickness d of the diaphragm 3 on the paper core tube is measured, the winding thickness d is divided by the thickness p of a single layer of the diaphragm 3 with the specification measured in advance, the number n of layers is obtained and is the number of winding turns on the paper core tube, the radius of the paper core tube is marked as r, the length of the membrane 3 of the first layer is 2 pi (r + p), the length of the membrane 3 of the second layer is 2 pi (r +2p), the length of the membrane 3 of the third layer is 2 pi (r +3p) … …, and the length of the membrane 3 of the nth layer is 2 pi (r + np), so that the total length of the membrane 3 of the nth layer is [2 pi (r + p) ] + [2 pi (r +2p) ] + [2 pi (r +3p) ] + … … + [2 pi (r + np) ] ═ 2n pi r +2 pi p (1+2+3+ … … + n), thereby obtaining the length of the membrane 3 that has been viewed.
According to the embodiment, a defect position recorded by the automatic online defect detection equipment is 800m of the mother roll, when the length of the rolled diaphragm 3 reaches 750m, the defect is searched carefully, so that the use is more convenient and faster, purposiveness is achieved, and the reinspection efficiency is improved; meanwhile, the longitudinal position of the defect can be calculated through the length of the coiled diaphragm 3, and the recheck of the defect position is realized through comparing the position with the position recorded by automatic online defect detection equipment. Meanwhile, the lamp light of the lamp box detects the defects, judges the types of the defects and realizes the type reinspection.
3) A sampling stage: after the defect is detected, the handle 502 stops rotating, the diaphragm 3 at the found defect position is cut, the defect diaphragm 3 is further subjected to defect analysis through a scanning electron microscope and other detector devices, the specific position of the production line equipment with problems is pushed back, and the future production is guaranteed.
Example 2
The utility model provides a film face defect detection auxiliary device, includes braced frame 1, and braced frame 1 of this embodiment's height is 1.2m, and for the convenient observation to 3 face defects of diaphragm, braced frame 1's height is according to operating personnel height design 1.1 ~ 1.5m all can. Supporting frame 1 inboard is provided with platform 2, and 2 length of platform are 1.3m, and width 1m, four ends of platform 2 are connected respectively on four stands, and platform 2 and supporting frame 1 up end are parallel, place the lamp house on the platform 2, and lamp house length is 1m, and width 0.75m, for preventing the lamp house landing, insulating current simultaneously, guarantee operating personnel's safety, 2 upper surfaces of platform are provided with the rubber layer. The distance between the upper end surface of the supporting frame 1 and the platform 2 is 20cm, so that the defect searching difficulty caused by weakening of light due to too long distance is avoided.
Still including parallel arrangement's unwinding roller 4 and wind-up roll 5, the equal swing joint of unwinding roller 4 and wind-up roll 5 is in 1 upper end of braced frame, and is specific, can all connect in the bearing through setting up the bearing on the stand, unwinding roller 4 and wind-up roll 5, realize rotating.
The winding roller 5 of this embodiment is provided with the handle 502, and the winding roller 5 is connected on the output shaft of motor far away from the one end of handle 502, when meeting the defect of longer longitudinal distance position, like the defect of 800m position, 750m flawless diaphragm 3 can drive the winding roller 5 through the motor and wind, has improved rolling efficiency, has saved reinspection time in the front.
It is worth mentioning that, because the thickness of diaphragm 3 is less, after the rolling, adopt 3 rolling thickness d of diaphragm on the refill tube, divide by measuring 3 individual layer thickness p of this specification diaphragm in advance, obtain the mode of number of piles n, the error that can cause the number of piles to calculate is big, for more accurate calculation defect position, be provided with number of turns counting assembly 503 on the wind-up roll 5, concretely, the handle 502 of this embodiment includes hand (hold) and the connecting portion that link to each other through the connecting rod, the connecting portion and wind-up roll 5 fixed connection of this embodiment, hand (hold) and connecting rod relative rotation, at this moment, connecting rod and wind-up roll 5 connected through connecting portion are equivalent to the rope in the rope skipping, make the number of turns of wind-up roll 5 turn the relative motion number of turns of connecting rod and hand (hold) into, number of turns counting assembly 503 includes the number of skipping display. The motor of this embodiment also sets up rather than supporting number of turns counting assembly 503, and the specific theory of operation of number of turns counting assembly 503 can adopt chinese patent publication No.: CN103714381A, published japanese patent application 2014-04-09, realizes counting, and has higher accuracy of counting at the motor end, and improves the accuracy of calculating the length of the diaphragm 3.
The number of turns recorded by the turn number counting device 503 is the number of turns n wound by the paper core tube on the winding roller 5, and the winding and unwinding length can be obtained directly through a formula 2n pi r +2 pi p (1+2+3+ … … + n), wherein r is the radius of the paper core tube, and p is the thickness of the single-layer diaphragm 3.
Because the membrane is rolled up great, inconvenient removal, the supporting frame 1 bottom of this embodiment is connected with removes wheel 7 for a whole set of reinspection device can remove as required to detect, and it is more convenient to use.
It will be understood by those skilled in the art that the foregoing is merely a preferred embodiment of the present invention, and is not intended to limit the invention to the particular forms disclosed, but on the contrary, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. The utility model provides a film face defect detection auxiliary device, includes braced frame (1), its characterized in that: still including parallel arrangement's unreel roller (4) and wind-up roll (5), unreel roller (4) with wind-up roll (5) equal swing joint in braced frame (1) upper end.
2. The auxiliary device for detecting the defect of the film surface according to claim 1, which is characterized in that: and a winding roller (5) is provided with a turn number counting device (503).
3. The auxiliary device for detecting the defects of the film surface according to claim 2, wherein: and a handle (502) is arranged on the winding roller (5).
4. The auxiliary device for detecting the defects of the film surface according to claim 2 or 3, wherein: still include the motor, the motor output shaft with wind-up roll (5) are connected.
5. The auxiliary device for detecting the defect of the film surface according to claim 1, which is characterized in that: the inner side of the supporting frame (1) is provided with a platform (2), and the platform (2) is parallel to the surface where the unreeling roller (4) and the reeling roller (5) are located.
6. The auxiliary device for detecting the defects of the film surface according to claim 5, wherein: the upper surface of the platform (2) is provided with a rubber layer.
7. The auxiliary device for detecting the defects of the film surface according to claim 5, wherein: the distance between the surface where the unwinding roller (4) and the winding roller (5) are located and the platform (2) is 5-20 cm.
8. The auxiliary device for detecting the defect of the film surface according to the claim 1, the claim 5 or the claim 7, which is characterized in that: the height of the supporting frame (1) is 1.1-1.5 m.
9. The auxiliary device for detecting the defect of the film surface according to claim 1, which is characterized in that: the unwinding roller (4) is a hollow roller.
10. The auxiliary device for detecting the defect of the film surface according to claim 1, 3 or 9, wherein: and the winding roller (5) is an inflatable roller.
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| CN201920992218.8U CN210322756U (en) | 2019-06-27 | 2019-06-27 | Auxiliary device for detecting film surface defects of thin film |
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| CN201920992218.8U CN210322756U (en) | 2019-06-27 | 2019-06-27 | Auxiliary device for detecting film surface defects of thin film |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023078980A1 (en) | 2021-11-04 | 2023-05-11 | Loparex Germany Gmbh & Co. Kg | Identification of silicone defects during running coating operation |
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2019
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023078980A1 (en) | 2021-11-04 | 2023-05-11 | Loparex Germany Gmbh & Co. Kg | Identification of silicone defects during running coating operation |
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Address after: No. 891, Yinhuang East Road, Economic and Technological Development Zone, Maanshan City, Anhui Province, 243071 Patentee after: Anhui Jinli new energy Co.,Ltd. Address before: 243000 no.891, Yinhuang East Road, Maanshan economic and Technological Development Zone, Maanshan City, Anhui Province Patentee before: ANHUI XINHENG NEW MATERIAL TECHNOLOGY Co.,Ltd. |
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