Unreeling deviation rectifying mechanism and device

Abstract

The utility model discloses an unwinding deviation rectifying mechanism and device, and relates to the technical field of roll material deviation rectifying equipment. The unwinding deviation rectifying mechanism comprises a deviation detecting assembly and an edge searching assembly. The deviation detecting assembly is used for detecting the included angle between the actual film face advancing direction and the preset film face advancing direction. The edge searching assembly comprises a first moving part and a film edge detecting part, and the first moving part moves the film edge detecting part according to the included angle so that the film edge detecting part can detect the film edge in the advancing direction of the actual film face. According to the unwinding deviation rectifying mechanism, the angle of the film edge detection piece can be automatically adjusted, the detection precision of the film edge detection piece can be improved, the position of the film edge can be accurately positioned, thin film tearing caused by alarm sudden stop or wrinkles formed on the film face of a mother roll due to instability of the unwinding process are avoided, and therefore the winding quality of a finished film roll is improved, and the production efficiency is improved. The film roll with good appearance is obtained, and the probability of scrappage such as falling of the film roll caused by abnormal deviation correction is reduced.

Description

Technical Field

[0001] The present application relates to the technical field of coil material rectifying equipment, and particularly to an unwinding rectifying mechanism and device. Background Art

[0002] Generally, the edge thickness of the mother roll film is relatively thick, and the edge will sag during the slitting and unwinding process. The sagging of the edge during the slitting process causes errors in the detection of the film edge by the rectifying device. This error causes the rectifying device to fail to detect the film edge, resulting in an alarm and emergency stop, causing the film to tear, or causing instability during the unwinding process, forming wrinkles on the mother roll film surface, and affecting the winding quality of the film roll. Summary of the Utility Model

[0003] In view of this, the present application provides an unwinding rectifying mechanism and device, aiming to solve one of the technical problems in the prior art.

[0004] To achieve the above object, the technical solution adopted by the present application is as follows:

[0005] In a first aspect, an embodiment of the present application provides an unwinding rectifying mechanism, including:

[0006] A deviation detection component for detecting the angle between the actual film surface traveling direction and the preset film surface traveling direction;

[0007] An edge seeking component, the edge seeking component includes a first moving member and a film edge detecting member, and the first moving member moves the film edge detecting member according to the angle, so that the film edge detecting member can detect the film edge along the actual film surface traveling direction.

[0008] In one of the embodiments of the first aspect, the deviation detection component includes two distance measuring members, and the two distance measuring members are spaced apart along a direction perpendicular to the preset film surface traveling direction, and the two distance measuring members are respectively arranged on both sides of the film surface.

[0009] In one of the embodiments of the first aspect, the deviation detection component further includes a second moving member, and the second moving member drives the distance measuring member to move along a direction perpendicular to the preset film surface traveling direction.

[0010] In one of the embodiments of the first aspect, the unwinding rectifying mechanism further includes a frame, and the distance measuring member, the first moving member and the film edge detecting member are sequentially arranged on the frame at intervals along the preset film surface traveling direction.

[0011] In one of the embodiments of the first aspect, the first moving member includes:

[0012] A first driving member;

[0013] A first slide rail and a first slider, the first slider being connected to the film edge detector, and the first driving member driving the first slider to move on the first slide rail so that the film edge detector can detect the film edge along the actual film surface traveling direction.

[0014] In one embodiment of the first aspect, the first slide rail is arc-shaped, and the concave surface of the first slide rail faces away from the distance measuring member.

[0015] In one embodiment of the first aspect, the unwind deviation rectifying mechanism further includes:

[0016] A pressing edge assembly, the pressing edge assembly including at least one flattening roller group, the at least one flattening roller group being connected to the frame along the preset film surface traveling direction, and the flattening roller group being disposed on the feed side or the discharge side of the film edge detector.

[0017] In one embodiment of the first aspect, the flattening roller group includes: spaced along a direction perpendicular to the preset film surface traveling direction:

[0018] A first pressing roller, the first pressing roller being fixedly connected to the frame;

[0019] A second pressing roller, the second pressing roller being rotatably connected to the frame so that the second pressing roller moves along a direction perpendicular to the preset film surface traveling direction.

[0020] In one embodiment of the first aspect, the unwind deviation rectifying mechanism further includes a swinging assembly, the swinging assembly being used to drive the frame to reciprocally move along a direction perpendicular to the preset film surface traveling direction, and the swinging assembly includes:

[0021] A second driving member;

[0022] A second slide rail and a second slider, one end of the first slide rail being fixedly connected to the frame, the other end being fixedly connected to the second driving member, the second driving member driving the second slider to move on the second slide rail, and the second slide rail being disposed along a direction perpendicular to the preset film surface traveling direction.

[0023] In a second aspect, an embodiment of the present application further provides an unwind deviation rectifying device, including the unwind deviation rectifying mechanism in any of the above embodiments.

[0024] Compared with the prior art, the beneficial effects of the present application are as follows: The present application provides a unwind deviation rectifying mechanism, which includes a deviation detection component and an edge finding component. The deviation detection component is used to detect the angle between the actual film traveling direction and the preset film traveling direction. The edge finding component includes a first moving member and a film edge detecting member. The first moving member moves the film edge detecting member according to the angle, so that the film edge detecting member can detect the film edge along the actual film traveling direction, realizing automatic adjustment of the angle of the film edge detecting member, improving the detection accuracy of the film edge detecting member, being able to accurately locate the position of the film edge, avoiding alarm emergency stop resulting in film tearing or avoiding wrinkles on the mother roll film surface during the unwind process, thereby improving the winding quality of the finished film roll, obtaining a film roll with good appearance, and reducing the occurrence probability of downgrading and scrapping of the film roll due to deviation rectification anomalies. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following will briefly introduce the drawings required for the embodiments. It should be understood that the following drawings only show some embodiments of the present application, and thus should not be regarded as limiting the scope. For those of ordinary skill in the art, without creative efforts, other related drawings can also be obtained based on these drawings.

[0026] Figure 1 FIG. shows the structural schematic diagram of the unwind deviation rectifying mechanism in some embodiments of the present application;

[0027] Figure 2 FIG. shows the structural schematic diagram of the preset film traveling direction and the actual film traveling direction.

[0028] MAIN ELEMENT SYMBOL DESCRIPTION: 100 - unwind deviation rectifying mechanism; 110 - deviation detection component; 111 - distance measuring member; 120 - edge finding component; 121 - first moving member; 122 - film edge detecting member; 130 - frame; 1211 - first driving member; 1212 - first slide rail; 1213 - first slider; 140 - edge pressing component; 141 - flattening roller group; 1411 - first pressing roller; 1412 - second pressing roller; 1413 - winch; 150 - swing component; 151 - second driving member; 152 - second slide rail; 153 - second slider; D1 - preset film traveling direction; D2 - actual film traveling direction. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0029] The following will describe the embodiments of the present application in detail. The examples of the embodiments are shown in the drawings, where the same or similar reference numerals represent the same or similar elements or elements with the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary and are only used to explain the present application, and should not be construed as limiting the present application.

[0030] In the description of the present application, it should be understood that the orientation or positional relationship indicated by terms such as "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present application.

[0031] In addition, the terms "first" and "second" are only used for descriptive purposes and should not be construed as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include one or more of such features. In the description of the present application, "a plurality of" means two or more unless otherwise specifically defined.

[0032] In the present application, unless otherwise clearly specified and limited, terms such as "mounted", "connected", "connected to", "fixed" should be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or integrated; it may be a mechanical connection or an electrical connection; it may be directly connected or indirectly connected through an intermediate medium, and it may be the communication inside two elements or the interaction relationship between two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present application can be understood according to specific circumstances.

[0033] In the present application, unless otherwise clearly specified and limited, the first feature being "on" or "under" the second feature may be that the first and second features are in direct contact, or the first and second features are indirectly in contact through an intermediate medium. Moreover, the first feature being "above", "over" and "on top of" the second feature may be that the first feature is directly above or obliquely above the second feature, or merely indicates that the first feature has a higher horizontal height than the second feature. The first feature being "under", "beneath" and "underneath" the second feature may be that the first feature is directly below or obliquely below the second feature, or merely indicates that the first feature has a lower horizontal height than the second feature.

[0034] As Figure 1 and Figure 2 shown, an unwinding deviation rectifying mechanism 100 is provided in an embodiment of the present application, which includes a deviation detection component 110 and an edge finding component 120.

[0035] Among them, the deviation detection component 110 is used to detect the included angle between the actual film surface traveling direction D2 and the preset film surface traveling direction D1.

[0036] The edge-finding component 120 includes a first moving member 121 and a film-edge detecting member 122. The first moving member 121 moves the film-edge detecting member 122 according to an included angle, so that the film-edge detecting member 122 can detect the film edge along the actual film surface traveling direction D2. In this way, the angle of the film-edge detecting member 122 can be automatically adjusted, the detection accuracy of the film-edge detecting member 122 can be improved, the position of the film edge can be accurately located, the alarm emergency stop caused by film tearing can be avoided, or the instability during the unrolling process can be avoided, so that wrinkles are formed on the mother roll film surface, thereby improving the winding quality of the finished film roll, obtaining a film roll with good appearance, and reducing the occurrence probability of downgrading and scrapping of the film roll caused by deviation rectification anomalies.

[0037] In some embodiments, the deviation detection component 110 includes two distance measuring members 111. The two distance measuring members 111 are spaced apart along a direction perpendicular to the preset film surface traveling direction D1, and the two distance measuring members 111 are respectively arranged on both sides of the film surface.

[0038] In some embodiments, the unrolling deviation rectification mechanism 100 further includes a frame 130. The distance measuring member 111, the first moving member 121, and the film-edge detecting member 122 are sequentially and spaced apart along the preset film surface traveling direction D1 on the frame 130.

[0039] As Figure 1 shown, the frame 130 is generally rectangular.

[0040] The length direction of the frame 130 is parallel to the preset film surface traveling direction D1, and the width direction of the frame 130 is perpendicular to the preset film surface traveling direction D1. The thickness of the thin film gradually decreases to the expected thickness range along the width direction of the frame 130. Generally, the thickness gradually increases from the middle of the thin film to both sides. During the unrolling process of the preliminary slitting of the thin film mother roll, the edge of the thin film will sag and gradually drive the entire film surface to shift in the width direction of the frame 130 as the film surface travels.

[0041] Exemplarily, the distance measuring member 111 is a laser rangefinder.

[0042] In some embodiments, the deviation detection component further includes a second moving member (not shown in the figure).

[0043] As Figure 2 shown, the second moving member drives the distance measuring member 111 to move along a direction perpendicular to the preset film surface traveling direction D1 to determine a first offset of the film edge in the preset film surface traveling direction D1 and a second offset in a direction perpendicular to the preset film surface traveling direction D1, and obtain an included angle according to the first offset and the second offset.

[0044] Specifically, the coordinate of the first point detected by the distance measuring member 111 is (D0, L0). The distance measuring member 111 moves along the direction perpendicular to the preset film surface moving direction until the coordinate L detected by the distance measuring member 111 does not change. At this time, the coordinate of the second point is (D1, L1), D1 - D0 = the first offset, L1 - L0 = the second offset, and the calculation method of the included angle θ is: tanθ = the first offset / the second offset.

[0045] In this embodiment, θ is controlled within 0 - 45°.

[0046] In some embodiments, the first moving member 121 includes a first driving member 1211, a first slide rail 1212, and a first slider 1213.

[0047] The first slider 1213 is connected to the film edge detecting member 122. As Figure 1 shown, the detecting end of the film edge detecting member 122 faces away from the distance measuring member 111. The film edge detecting member 122 is fixedly connected to the first slider 1213 through a connecting rod. The film edge detecting member 122 is fixed above the frame 130, and the first slide rail 1212 is arranged below the frame 130.

[0048] When the first driving member 1211 drives the first slider 1213 to move on the first slide rail 1212, the detecting end of the film edge detecting member 122 rotates so that the film edge detecting member 122 can detect the film edge along the actual film surface traveling direction D2.

[0049] In this embodiment, the first slide rail 1212 is arc-shaped, and the concave surface of the first slide rail 1212 faces away from the distance measuring member. In this way, the structure of the first slide rail 1212 can be simplified. In other embodiments, the first slide rail 1212 can be formed by connecting two linear tracks parallel to the preset film surface traveling direction D1 and perpendicular to the film surface traveling direction. In this way, the detecting end of the film edge detecting member 122 can also be rotated, but the structure is complex and the volume is large.

[0050] During the initial unwinding process of the thin film master roll, the edge of the thin film will sag severely, which will also cause serious jitter of the film edge during the acceleration process of slitting. The jitter of the film edge will reduce the detection accuracy of the film edge detecting member 122, and will also affect the lateral swing of the master roll and the lateral offset of the thin film. Seriously, it will cause the film roll to be scrapped.

[0051] To solve the above problems, in some embodiments, the unwinding deviation rectifying mechanism 100 further includes a film edge pressing assembly 140, which is mainly used to press the film edge to prevent the film edge from jittering.

[0052] The film edge pressing assembly 140 includes at least one flattening roll group 141. At least one flattening roll group 141 is connected to the frame 130 along the preset film surface traveling direction D1, and the flattening roll group 141 is arranged on the feeding side or the discharging side of the film edge detecting member 122.

[0053] As Figure 1 shown, in this embodiment, two flattening roller groups 141 are adopted. One flattening roller group 141 is arranged on the feeding side of the film edge detector 122, and the other flattening roller group 141 is arranged on the discharging side of the film edge detector 122.

[0054] In some embodiments, the flattening roller group 141 includes a first pressing roller 1411 and a second pressing roller 1412 which are arranged at intervals along the direction D1 perpendicular to the preset film surface traveling direction.

[0055] The first pressing roller 1411 is fixedly connected to the frame 130. The second pressing roller 1412 is rotatably connected to the frame 130 so that the second pressing roller 1412 moves along the direction D1 perpendicular to the preset film surface traveling direction.

[0056] Specifically, the first pressing roller 1411 is fixedly connected to the frame 130 through a connecting rod, and the second pressing roller 1412 is rotatably connected to the frame 130 through a connecting rod and a winch 1413. The winch 1413 is fixed on the frame 130, the connecting rod is rotatably connected to the winch 1413, and the second pressing roller 1412 is fixedly connected to the connecting rod. In this way, the position of the second pressing roller 1412 can be adjusted so that the first pressing roller 1411 and the second pressing roller 1412 can press the two vertical edges of the film surface to prevent the vertical edges from shaking.

[0057] In some embodiments, the unwinding and deviation rectifying mechanism 100 further includes a swinging assembly 150. The swinging assembly 150 is used to drive the frame 130 to reciprocate along the direction D1 perpendicular to the preset film surface traveling direction. The swinging assembly 150 includes a second driving member 151, a second sliding rail 152 and a second sliding block 153.

[0058] One end of the first sliding rail 1212 is fixedly connected to the frame 130, and the other end is fixedly connected to the second driving member 151. The second driving member 151 drives the second sliding block 153 to move on the second sliding rail 152. The second sliding rail 152 is arranged along the direction D1 perpendicular to the preset film surface traveling direction, so that the unwinding and deviation rectifying mechanism 100 can not only automatically adjust the angle of the film edge detector 122, but also cooperate with the subsequent unwinding and slitting process, making the unwinding and deviation rectifying mechanism 100 more practical and improving the slitting efficiency.

[0059] The working process of the unwinding and deviation rectifying mechanism 100 is as follows:

[0060] The thin film moves on the frame 130. Due to the large-mass vertical edges at the film edges, the film surface gradually deviates during the traveling process;

[0061] On the feeding side of the frame 130, the distance measuring member 111 moves along the direction D1 perpendicular to the preset film surface traveling direction to determine the included angle between the actual film surface traveling direction D2 and the preset film surface traveling direction D1;

[0062] The first pressing roller 1411 and the second pressing roller 1412 press on the vertical edges on both sides to prevent the vertical edges from shaking;

[0063] The first driving member 1211 drives the first slider 1213 to move on the first sliding rail 1212, causing the detection end of the film edge detector 122 to rotate, and the film edge detector 122 accurately detects and locates the film edge;

[0064] The second driving member 151 controls the second slider 153 to automatically adjust to the corresponding position along the second sliding rail 152, indicating that the unwinding deviation rectifying mechanism 100 has completed the adjustment;

[0065] After the unwinding deviation rectifying mechanism 100 has completed the adjustment, the machine prompts that the unwinding can be accelerated to perform normal accelerated slitting of the master roll.

[0066] In an embodiment of the present application, there is also provided an unwinding deviation rectifying device, including the unwinding deviation rectifying mechanism 100 in any of the above embodiments, and thus has all the beneficial effects of the unwinding deviation rectifying mechanism 100 in any of the above embodiments, which will not be elaborated here one by one.

[0067] In the description of this specification, the description with reference to terms such as "one embodiment", "some embodiments", "example", "specific example", or "some examples" means that the specific features, structures, materials, or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described can be combined in a suitable manner in any one or more embodiments or examples. In addition, without contradiction, those skilled in the art can combine and combine the different embodiments or examples described in this specification and the features of different embodiments or examples.

[0068] Although the embodiments of the present application have been shown and described above, it can be understood that the above embodiments are exemplary and should not be construed as limiting the present application. Those of ordinary skill in the art can make changes, modifications, substitutions, and variations to the above embodiments within the scope of the present application.

Claims

1. A unwind deviation rectifying mechanism, characterized in that, Including: A deviation detection component for detecting the angle between the actual film surface traveling direction and the preset film surface traveling direction; An edge finding component, the edge finding component includes a first moving member and a film edge detecting member, the first moving member moves the film edge detecting member according to the angle, so that the film edge detecting member can detect the film edge along the actual film surface traveling direction.

2. The unwinding deviation rectifying mechanism according to claim 1, wherein The deviation detection component includes two distance measuring members, the two distance measuring members are spaced along a direction perpendicular to the preset film surface traveling direction, and the two distance measuring members are respectively arranged on both sides of the film surface.

3. The unwinding deviation rectifying mechanism according to claim 2, wherein The deviation detection component further includes a second moving member, and the second moving member drives the distance measuring member to move along a direction perpendicular to the preset film surface traveling direction.

4. The unwinding deviation rectifying mechanism according to claim 2, characterized in that The unwind deviation rectifying mechanism further includes a frame, and the distance measuring member, the first moving member and the film edge detecting member are sequentially and spaced along the preset film surface traveling direction on the frame.

5. The unwind deviation rectifying mechanism according to claim 4, characterized in that, The first moving member includes: A first driving member; A first slide rail and a first slider, the first slider is connected to the film edge detecting member, and the first driving member drives the first slider to move on the first slide rail, so that the film edge detecting member can detect the film edge along the actual film surface traveling direction.

6. The unwinding deviation rectifying mechanism according to claim 5, characterized in that, The first slide rail is arc-shaped, and the concave surface of the first slide rail faces away from the distance measuring member.

7. The unwinding deviation rectifying mechanism according to any one of claims 4 to 6, characterized in that The unwind deviation rectifying mechanism further includes: A pressing edge component, the pressing edge component includes at least one flattening roll group, the at least one flattening roll group is connected to the frame along the preset film surface traveling direction, and the flattening roll group is arranged on the feeding side or the discharging side of the film edge detecting member.

8. The unwinding deviation rectifying mechanism according to claim 7, wherein, The flattening roll group includes: spaced along a direction perpendicular to the preset film surface traveling direction: A first pressing roll, the first pressing roll is fixedly connected to the frame; A second pressing roll, the second pressing roll is rotatably connected to the frame, so that the second pressing roll moves along a direction perpendicular to the preset film surface traveling direction.

9. The unwinding deviation rectifying mechanism according to claim 5 or 6, characterized in that, The unwind deviation rectifying mechanism further includes a swing component, the swing component is used to drive the frame to reciprocally move along a direction perpendicular to the preset film surface traveling direction, and the swing component includes: A second driving member; A second slide rail and a second slider, one end of the first slide rail is fixedly connected to the frame, the other end is fixedly connected to the second driving member, the second driving member drives the second slider to move on the second slide rail, and the second slide rail is arranged along a direction perpendicular to the preset film surface traveling direction.

10. A pay-off deviation rectifying device, characterized in that, Including the unwind deviation rectifying mechanism according to any one of claims 1 to 9.

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