Winding and unwinding device and composite material production system

Abstract

The utility model discloses a winding and unwinding device and a composite material production system. The winding and unwinding device comprises a winding and unwinding support and a winding and unwinding shaft, and a tension adjusting roller, a tension detecting roller and at least one guide roller are further arranged on the winding and unwinding support. The opposite positions of the tension adjusting roller, the tension detecting roller and the guide roller are set to enable a film roll on the winding and unwinding shaft to pass through the tension adjusting roller, the tension detecting roller and the guide roller, and the first surface side of the film roll only abuts against the surface of at most one roller body in all roller bodies of the tension adjusting roller, the tension detecting roller or the guide roller; and the first surface side is the surface side of the film roll for being compounded with a downstream material. The winding and unwinding device is wider in application range, simple in overall structure, low in cost and easy to operate. For film rolls for compositing with downstream materials, in particular film rolls with special materials on one side for compositing; loss of non-solid materials on the surface of the film roll can be reduced as much as possible, and the quality of corresponding composite finished products is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a take-up and pay-off device technical field more specifically, relate to a take-up and pay-off device and composite material production system. BACKGROUND

[0002] The take-up and pay-off device refers to the device that can continuously wind / unwind the material in the production process to cooperate with the upstream and downstream transmission and processing. The take-up and pay-off device is widely used in the fields of coating and composite material preparation. In the prior art, the pay-off device is taken as an example, and the take-up is the same. The common pay-off device is mainly used for simple and continuous unwinding and does not have the structure to cope with special materials. Such a simple pay-off device is applicable to most film rolls, but it is not completely applicable to some film rolls with non-solid material such as glue layer on the surface. Because the film roll unwinding process may need to ensure the integrity of the surface material of the film roll when unwinding on the side of the pay-off device, the traditional pay-off device is not completely applicable. Taking a multi-layer film roll as an example, which is used for compounding with other material layers, it at least has a glue layer and a film layer, and the glue layer may be an incompletely solidified glue layer. For such materials, if the traditional simple unwinding mechanism is used, there are some deficiencies. For example, before compounding with other materials, the pay-off device unwinds, which may cause the glue layer to be contaminated and wasted or the surface to be uneven due to the frequent contact between the roller and the exposed glue layer side during the unwinding process, affecting the bonding performance of the subsequent composite product and the overall quality of the composite product.

[0003] Therefore, the prior art urgently needs a take-up and pay-off device for materials with non-solid layer surfaces such as glue layers to minimize the impact of the take-up and pay-off process on the film roll and the subsequent compounding process. UTILITY MODEL CONTENTS

[0004] The utility model aims to overcome at least one of the above-mentioned deficiencies of the prior art, provide a take-up and pay-off device and a composite material production system, which can minimize the loss of non-solid material on the surface of the film roll and improve the quality of the corresponding composite product.

[0005] The utility model discloses a technical scheme that is, a kind of take-up and pay-off device, including take-up and pay-off support, take-up and pay-off shaft, still be arranged with tension adjusting roller, tension detection roller and at least one guide roller on the take-up and pay-off support;The relative position of tension adjusting roller, tension detection roller and guide roller is set to make that film roll on take-up and pay-off shaft pass through tension adjusting roller, tension detection roller and guide roller, and the first surface side of film roll is only with at most one roll body surface of all roll body including tension adjusting roller, tension detection roller and guide roller abuts;That is, take-up and pay-off shaft is loaded with film roll, and the first surface side of film roll is only with at most one roll body surface of all roll body including tension adjusting roller, tension detection roller and guide roller abuts through;The first surface side is the surface side of film roll for being compounded with downstream material.Further, at least first surface side has non-complete solid material.Further, the film roll is composite film roll, including film layer and adhesive layer, the adhesive layer is arranged on film layer surface;The first surface side is the adhesive surface side exposed on film layer.More further, the present application is mainly used for the unwinding process before compounding.In the present application, in unwinding process before compounding, the side of film roll for being compounded with other materials passes through at most one roll surface, can avoid abutting with roll surface as far as possible, to reduce the loss of surface material before compounding and guarantee a certain degree of flatness, such as surface material includes preliminary solidified adhesive layer;So that subsequent specific compounding, downstream material can be attached flat, reduce the bubble, gap etc. between the interface, to significantly improve the quality of composite material product.And the present application further detects take-up and pay-off tension in real time by tension detection roller, adjusts take-up and pay-off tension with tension adjusting roller, guarantees take-up and pay-off surface flat, smooth take-up and pay-off etc., to further guarantee that no wrinkle is generated when being compounded with downstream material.Only a small amount of roll body and specific arrangement of roll body can reduce the loss of adhesive surface in take-up and pay-off process, while guaranteeing the effect of take-up and pay-off tension control.

[0006] Further, in take-up and pay-off device, corresponding roll body abutting with the first surface side of film roll is provided with surface treatment layer.Further, surface treatment layer is anti-staining layer;More further, surface treatment layer is adhesive solution anti-sticking layer.Further, when the first surface side of film roll abuts with the surface of tension adjusting roller, the tension adjusting roller is provided with surface treatment layer;Or, when the first surface side of film roll abuts with the surface of tension detection roller, the tension detection roller is provided with surface treatment layer;Or, when the first surface side of film roll abuts with the surface of guide roller, corresponding guide roller roll body is provided with surface treatment layer.When the film roll reaches the first surface abutting roll body, and exposed first surface side material reaches abutting roll body, at this time, by setting anti-staining surface treatment layer on corresponding roll body, it is beneficial to reduce the loss of first surface side material as far as possible;When the exposed material of the first surface side of film roll is adhesive layer, the surface treatment layer can be adhesive solution anti-sticking layer.Further, surface treatment layer is release layer formed by coating release agent.

[0007] Further, the tension adjusting roller and the tension detecting roller are arranged adjacently. Further, when the winding and unwinding device is an unwinding device, the tension adjusting roller and the tension detecting roller are arranged sequentially in the unwinding direction. Further, the guide roller is arranged before or after the tension adjusting roller and the tension detecting roller. The tension adjusting roller and the tension detecting roller arranged adjacently are beneficial to improve the accuracy of tension detection and tension adjustment; when the tension adjusting roller is adjusted, the adjacent tension detecting roller can detect the corresponding tension in time and accurately, which is beneficial to more accurate tension control and adjustment. When the tension adjusting roller and the tension detecting roller are arranged sequentially in the unwinding direction, the detecting roller with no change in roller position is close to the downstream composite device, which is beneficial to improve the tension stability between the winding and unwinding device and the composite process. In addition, the guide roller can be arranged between the tension adjusting roller and the tension detecting roller, and in the unwinding direction, the tension adjusting roller is arranged on the side close to the winding and unwinding shaft, and the tension detecting roller is arranged on the side away from the winding and unwinding shaft.

[0008] Further, the winding and unwinding support is arranged with a tension adjusting roller, a tension detecting roller and a guide roller, and the film roll is sequentially passed through the guide roller, the tension adjusting roller and the tension detecting roller, and the film roll passes through the tension adjusting roller on the first surface side, and passes through the tension detecting roller and the guide roller on the second surface side opposite to the first surface side. Only a few roller bodies are needed to reduce the material loss on the surface of the film roll, realize tension control and guide to the downstream composite while unwinding smoothly. Since there are fluctuations and errors in the control of the actual production roller, the front and rear rollers need to be adjusted in real time according to the tension condition to adjust the corresponding roller transmission speed in time, so as to keep the basic tension consistent; and the winding and unwinding device is arranged with the tension adjusting roller and the tension detecting roller, which can strictly control the tension during the unwinding process, so as to facilitate the downstream material to be flatly and smoothly combined with the film roll.

[0009] Furthermore, the first surface of the film roll is coated with a release film layer; the unwinding device further includes a peeling component configured to peel the release film layer before the film roll passes through the tension-adjusting roller and the tension-detecting roller. Furthermore, during unwinding, a guide roller, a tension-adjusting roller, and a tension-detecting roller are sequentially arranged in the unwinding direction, and the peeling component is positioned between the tension-adjusting roller and the guide roller in the rolling direction. When the film roll has an adhesive layer on its surface, a release film is typically required to separate the adhesive layer on the outer coil from the film layer on the inner coil for convenient winding and storage. To facilitate direct lamination after unwinding, the release film must be peeled off. During this peeling process, the release film generates a certain degree of interference. Positioning the peeling component before the tension-adjusting roller facilitates immediate adjustment to tension changes caused by the peeling process, thereby ensuring smooth and even unwinding during peeling. The peeling component is particularly desirable to be positioned before the tension-adjusting roller so that the tension can be promptly adjusted back to the desired tension using the tension-adjusting roller.

[0010] Furthermore, the guide roller is located in front of the reel, with its upper surface higher than the lower surface of the reel. The reel releases the film roll from the lower side and passes over the upper surface of the guide roller. The tension adjustment roller is located below the guide roller. The tension detection roller includes a detection roller body, and the tension sensor is located on the side opposite the side of the detection roller body that abuts the film roll. Furthermore, the tension detection roller is higher than the tension adjustment roller, and the tension sensor is located below the detection roller body. This arrangement allows the film roll to be pulled and stretched, and the tension is detected as the tension detection roller guides the film roll to the downstream laminating device, reducing the number of rollers required for the reel and avoids material loss on the film roll surface due to excessive roller transmission.

[0011] Furthermore, the rewinding and unwinding support comprises a base plate and wall panels fixed to either side of the base plate; the wall panels are provided with arcuate through-holes and are equipped with a swing arm drive mechanism; the end of the tension adjustment roller is connected to the swing arm drive mechanism mounted on the wall panel via the arcuate through-holes; the swing arm drive mechanism is driven to change the position of the tension adjustment roller in the direction of the arcuate through-holes. When the swing arm drive mechanism drives the tension adjustment roller in the direction of the arcuate through-holes, tension adjustment is more natural, friction between the front and rear rollers and the film roll surface is avoided, and the unwinding effect is improved.

[0012] Further, the swing arm driving mechanism comprises a fixed cylinder base, a cylinder, a swing arm fixing plate and a swing arm arm rod; the fixed cylinder base is installed on the outer side of the wall plate, the mounting end of the cylinder is rotationally connected with the fixed cylinder base; the swing arm fixing plate is installed on the outer side of the wall plate, one end of the swing arm arm rod is rotationally connected with the swing arm fixing plate, and the other end of the swing arm arm rod is connected with the output end of the cylinder on the outer side and connected with the end of the tension adjusting roller on the inner side. Further, the swing arm arm rod comprises a main rod and a connecting rod, a rotating shaft is arranged on the swing arm fixing plate, the rotating shaft penetrates through the main rod and the connecting rod, and the main rod and the connecting rod rotate synchronously with the rotating shaft, and the output end of the cylinder is connected with the other end of the connecting rod.

[0013] Further, the winding and unwinding support comprises a bottom plate and wall plates fixed on both sides of the bottom plate; the wall plates are provided with arc-shaped through holes, and the swing arm driving mechanism is installed on the wall plates; the end of the tension adjusting roller is connected with the swing arm driving mechanism installed on the wall plate through the arc-shaped through hole; the lowest point of the arc-shaped through hole is located directly below the guide roller; and the heights of the two ends of the arc-shaped through hole are the same. Further, the inner core diameter of the winding and unwinding shaft ranges from 7.5 cm to 25 cm; the diameter of the guide roller ranges from 6 cm to 20 cm; the diameters of the tension adjusting roller and the tension detecting roller range from 6 cm to 20 cm; further, the swing length corresponding to the movement of the tension adjusting roller is also the radius of the arc-shaped through hole, which ranges from 0.2 m to 1 m; and the central angle of the arc-shaped through hole ranges from 10° to 45°. Further, the upper end of the wall plate extends to the front side to form a tension detecting roller mounting portion, the tension detecting roller is arranged on the front side of the tension adjusting roller and the guide roller and located between the guide roller and the tension adjusting roller in the vertical direction; and the tension sensor of the tension detecting roller is located below the roller body of the detecting roller.

[0014] Further, the end of the tension adjusting roller, the tension detecting roller and / or the guide roller is gradually reduced in diameter in the direction towards the outer side to form a conical roller head.

[0015] Further, a plurality of hollow mounting openings are arranged on the lower side of the wall plate, and a plurality of fixed mounting holes communicating with the surface of the bottom plate are arranged on the lower wall of each hollow mounting opening. Through the hollow mounting openings, the wall plate is not only convenient to install and fix, but also conducive to the subsequent adjustment and maintenance of the winding and unwinding device.

[0016] Another purpose of the utility model lies in providing a composite material production system, which comprises the winding and unwinding device and a composite device located downstream. Further, the composite device comprises a plurality of compression rollers, and the film roll passes through the plurality of compression rollers from the second surface side opposite to the first surface side. Further, the composite device further comprises a guide roller located downstream of the plurality of compression rollers, which is used for guiding the composite material out.

[0017] Another purpose of the utility model lies in providing the composite material obtained by the preceding winding and unwinding device or the preceding composite material production system. Provide the application of the preceding winding and unwinding device or the preceding composite material production system in the production of composite material. Based on the winding and unwinding device described in the application, the surface material loss of the corresponding film roll is small, and the corresponding composite material is tightly and flatly attached, and the bubble and gap of the attachment interface are also reduced. That is, based on the composite material obtained by the preceding winding and unwinding device or the preceding composite material production system of the application, the quality is obviously improved.

[0018] Compared with the prior art, the application has the advantages that: based on the winding and unwinding device described in the application, the application range is wider, the overall structure is simple, the cost is low, and the operation is easy. For the film roll used for compounding with downstream materials, especially the film roll with non-solid material on one side for compounding; the loss of non-solid material on the surface of the film roll or direct extrusion can be reduced as much as possible, and the quality of the corresponding composite material product is improved. During the unwinding process before compounding, the side of the film roll used for compounding with other materials at most only passes through one roller surface, which can avoid the resistance to the roller surface as much as possible, thereby reducing the loss of surface material before compounding and ensuring a certain degree of flatness; so that during subsequent specific compounding, the downstream material can be attached flatly, the bubble and gap between the attachment interfaces are reduced, and the quality of the composite material product is significantly improved. And the unwinding tension is detected in real time by the tension detection roller, and the unwinding tension is adjusted by cooperating with the tension adjusting roller, which ensures the flatness of the unwinding surface and the smooth unwinding, and further ensures that no wrinkles are generated when compounding with downstream materials. Only a small amount of rollers and specific arrangement of the rollers can reduce the loss of exposed adhesive surface during unwinding, while ensuring the effect of unwinding tension control. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a structure schematic view of the winding and unwinding device of the application;

[0020] Figure 2 It is a structure schematic view of the winding and unwinding device loaded with the film roll of the application (I);

[0021] Figure 3 It is a structure schematic view of the winding and unwinding device loaded with the film roll of the application (II);

[0022] Figure 4 It is a structure schematic view of the winding and unwinding device and the compounding device of the application;

[0023] BRIEF DESCRIPTION OF DRAWINGS: winding and unwinding device 1100, winding and unwinding support 1110, bottom plate 1111, wall plate 1112, arc-shaped through hole 1113, tension detection roller mounting portion 1114, winding and unwinding shaft 1120, tension adjusting roller 1130, tension detection roller 1140, tension sensor 1141, guide roller 1150, swing arm driving mechanism 1160, fixed air cylinder seat 1161, air cylinder 1162, main rod 1165, connecting rod 1166, peeling component 1200, film roll 2000, first surface side 201, compounding device 3100. DETAILED DESCRIPTION

[0024] The drawings of the utility model are only used for exemplary illustration, and cannot be understood as limiting the utility model. In order to better illustrate the following embodiments, some components in the drawings can be omitted, enlarged or reduced, and do not represent the size of the actual product; for those skilled in the art, it can be understood that some well-known structures in the drawings and their descriptions can be omitted.

[0025] The technical solutions of the utility model will be described clearly and completely in combination with the drawings and specific embodiments below, but those skilled in the art will understand that the following described embodiments are part of the embodiments of the utility model, rather than all the embodiments, and are only used for illustrating the utility model, and should not be regarded as limiting the scope of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the utility model. The unmarked specific conditions in the embodiments are carried out according to the conventional conditions or the conditions recommended by the manufacturer. The reagents or instruments used are not marked with the manufacturer, and are all conventional products that can be purchased in the market.

[0026] Embodiment 1

[0027] As Figure 1 , 2As shown, the embodiment discloses a winding and unwinding device 1100, which comprises a winding and unwinding support 1110, a winding and unwinding shaft 1120, a tension adjusting roller 1130, a tension detecting roller 1140 and at least one guide roller 1150 arranged on the winding and unwinding support 1110. The relative positions of the tension adjusting roller 1130, the tension detecting roller 1140 and the guide roller 1150 are set so that the film roll 2000 on the winding and unwinding shaft 1120 passes through the tension adjusting roller 1130, the tension detecting roller 1140 and the guide roller 1150, and the first surface side 201 of the film roll 2000 is only in contact with at most one roller surface of the tension adjusting roller 1130, the tension detecting roller 1140 or the guide roller 1150. The first surface side 201 is the surface side of the film roll 2000 used for compounding with downstream materials. Specifically, the film roll 2000 is a composite film roll, which comprises a PET film layer / PP film layer / PI film layer and a glue layer arranged on the surface of the film layer. The first surface side 201 is the side of the exposed glue surface on the film layer. The embodiment is mainly used for the unwinding process before compounding. In the unwinding process before compounding, the side of the film roll 2000 used for compounding with other materials passes through at most one roller surface, which can avoid contact with the roller surface as much as possible, thereby reducing the loss of the surface material before compounding and ensuring a certain degree of flatness. For example, the surface material comprises a preliminarily solidified glue layer. In this way, the downstream material can be flatly attached in the subsequent specific compounding process, and the bubbles and gaps between the attachment interfaces are reduced, thereby significantly improving the quality of the composite product. The winding and unwinding tension is detected in real time by the tension detecting roller 1140 of the winding and unwinding device 1100, and the winding and unwinding tension is adjusted in cooperation with the tension adjusting roller 1130.

[0028] The corresponding roller body in contact with the first surface side 201 of the film roll 2000 is provided with a surface treatment layer in the winding and unwinding device 1100. Specifically, the surface treatment layer is a glue solution anti-staining layer. When the first surface side 201 of the film roll 2000 is in contact with the surface of the tension adjusting roller 1130, the tension adjusting roller 1130 is provided with a surface treatment layer. Alternatively, when the first surface side 201 of the film roll 2000 is in contact with the surface of the tension detecting roller 1140, the tension detecting roller 1140 is provided with a surface treatment layer. Alternatively, when the first surface side 201 of the film roll 2000 is in contact with the surface of the guide roller 1150, the corresponding guide roller 1150 is provided with a surface treatment layer. When the exposed first surface side 201 material of the film roll 2000 reaches the contact roller body before reaching the first surface contact roller body, the loss of the first surface side 201 material can be reduced by providing an anti-staining surface treatment layer on the corresponding roller body. When the exposed material of the first surface side 201 of the film roll 2000 is a glue layer, the surface treatment layer can be a glue solution anti-staining layer. More specifically, the surface treatment layer is a release layer formed by coating a release agent.

[0029] The tension adjusting roller 1130 and the tension detecting roller 1140 are arranged adjacently. When serving as a pay-off device, the tension adjusting roller 1130 and the tension detecting roller 1140 are arranged in sequence in the pay-off direction. The guide roller 1150 can be arranged before or after the tension adjusting roller 1130 and the tension detecting roller 1140. Alternatively, the guide roller 1150 can be arranged between the tension adjusting roller 1130 and the tension detecting roller 1140, with the tension adjusting roller 1130 arranged on the side close to the take-up and pay-off shaft 1120 and the tension detecting roller 1140 arranged on the side away from the take-up and pay-off shaft 1120 in the pay-off direction. In the present embodiment, the take-up and pay-off support 1110 is provided with one tension adjusting roller 1130, one tension detecting roller 1140 and one guide roller 1150, the pay-off material passes through the guide roller 1150, the tension adjusting roller 1130 and the tension detecting roller 1140 in sequence, and the film roll 2000 passes through the tension adjusting roller 1130 on the first surface side 201 and passes through the tension detecting roller 1140 and the guide roller 1150 on the second surface side opposite to the first surface side 201.

[0030] In the present embodiment, the guide roller 1150 is located on the front side of the take-up and pay-off shaft 1120, with the upper surface higher than the lower surface of the take-up and pay-off shaft 1120; the tension adjusting roller 1130 is arranged below the guide roller 1150; and the tension detecting roller 1140 comprises a detecting roller body, with the tension sensor 1141 located on the side opposite to the side where the detecting roller body abuts against the film roll 2000. In the present embodiment, the tension detecting roller 1140 is higher than the tension adjusting roller 1130, and the tension sensor 1141 is arranged below the detecting roller body.

[0031] In the present embodiment, the take-up and pay-off support 1110 comprises a bottom plate 1111 and wall plates 1112 fixed to both sides of the bottom plate 1111; the wall plates 1112 are provided with arc-shaped through holes 1113, and the wall plates 1112 are provided with swing arm driving mechanisms 1160; the end of the tension adjusting roller 1130 is connected to the swing arm driving mechanism 1160 arranged on the wall plate 1112 through the arc-shaped through hole 1113; and the lower side of the wall plate 1112 is provided with a plurality of hollow mounting openings, with the lower wall of each hollow mounting opening provided with a plurality of fixed mounting holes communicating with the surface of the bottom plate 1111. The lowest point of the arc of the arc-shaped through hole 1113 is located directly below the front guide roller 1150, and the heights of the two ends of the arc of the arc-shaped through hole 1113 are the same. The diameter of the take-up and pay-off shaft 1120 ranges from 7.5 cm to 25 cm; the diameter of the guide roller 1150 ranges from 6 cm to 20 cm; the diameters of the tension adjusting roller 1130 and the tension detecting roller 1140 range from 6 cm to 20 cm; the swing length corresponding to the movement of the tension adjusting roller 1130, i.e. the radius of the arc of the arc-shaped through hole 1113, ranges from 0.2 m to 1 m; and the swing length corresponding to the movement of the tension detecting roller 1140, i.e. the radius of the arc of the arc-shaped through hole 1113, ranges from 0.2 m to 1 m. Figure 3As shown, the central angle a of the arc-shaped through hole corresponding to the arc shape ranges from 10° to 45°. Further, in this embodiment, the wall plate 1112 has an upper end extending forward to form a tension detection roller mounting portion 1114, and the tension detection roller 1140 is arranged on the front side of the tension adjusting roller 1130 and the guide roller 1150, and is located between the guide roller 1150 and the tension adjusting roller 1130 in the vertical direction. The end portions of the tension adjusting roller 1130, the tension detection roller 1140, and the guide roller 1150 taper outward in the direction toward the outside to form conical / circular truncated cone-shaped roller heads.

[0032] The swing arm driving mechanism 1160 includes a fixed cylinder seat 1161, a cylinder 1162, a swing arm fixing plate, and a swing arm lever; the fixed cylinder seat 1161 is mounted on the outer side of the wall plate 1112, the mounting end of the cylinder 1162 is rotationally connected to the fixed cylinder seat 1161; the swing arm fixing plate is mounted on the outer side of the wall plate 1112, one end of the swing arm lever is rotationally connected to the swing arm fixing plate, and the other end of the swing arm lever is connected to the output end of the cylinder 1162 on the outer side and to the end portion of the tension adjusting roller 1130 on the inner side. The swing arm lever includes a main lever 1165 and a connecting lever 1166, and a rotating shaft is arranged on the swing arm fixing plate, the rotating shaft penetrates through the main lever 1165 and the connecting lever 1166, and the main lever 1165 and the connecting lever 1166 rotate synchronously with the rotating shaft, and the output end of the cylinder 1162 is connected to the other end of the connecting lever 1166.

[0033] Embodiment 2

[0034] This embodiment discloses a winding and unwinding device 1100 for unwinding, which is different from the embodiment 1 only in that a release film layer is coated on the first surface side 201 of the film roll 2000; the winding and unwinding device 1100 further includes a peeling component 1200, which is arranged such that the release film layer is peeled off before the tension adjusting roller 1130, as shown in Figure 4 The peeling component 1200 is arranged such that the release film layer is peeled off before the film roll 2000 unwinds through the tension adjusting roller 1130 and the tension detection roller 1140.

[0035] The winding and unwinding device 1100 is arranged in sequence in the unwinding direction as a guide roller 1150, a tension adjusting roller 1130 and a tension detecting roller 1140; in the walking roller direction, the peeling component 1200 is arranged between the tension adjusting roller 1130 and the guide roller 1150, or arranged between the guide roller 1150 and the winding and unwinding shaft 1120; and at least arranged before the tension adjusting roller 1130. When the film roll 2000 has a glue layer on the unwinding surface, in order to facilitate winding and storage, the release film is usually needed to isolate the glue layer of the outer circle and the film layer in the inner circle; and in order to facilitate direct compounding after unwinding, the release film needs to be peeled in advance, and in the peeling process of the release film, a certain degree of interference force is generated; and the peeling component 1200 is arranged before the tension adjusting roller 1130, which is beneficial to adjusting the tension in time according to the tension change caused by the peeling process, so as to ensure smooth and flat unwinding while peeling.

[0036] Embodiment 3

[0037] The embodiment discloses a composite material production system, which comprises the winding and unwinding device 1100 of the foregoing embodiment 1 and a composite device 3100 (the structure cooperating with the composite device 3100 is not shown in the structural diagram) located downstream as shown. Figure 4 The composite device 3100 comprises a plurality of compression rollers, and the film roll 2000 passes through the plurality of compression rollers in a relative side opposite to the first surface side 201. The composite device 3100 further comprises a guide roller located downstream of the plurality of compression rollers, used for guiding the composite material out.

[0038] Embodiment 4

[0039] The embodiment discloses a composite material obtained by the winding and unwinding device 1100 of the foregoing embodiment 1 or the composite material production system of the foregoing embodiment 3. Based on the winding and unwinding device 1100 described in the application, the surface material loss of the corresponding film roll 2000 is small, and the corresponding composite material is closely and flatly attached, and the bubble and gap at the attachment interface are also reduced. That is, the quality of the composite material obtained based on the foregoing winding and unwinding device 1100 or the foregoing composite material production system is obviously improved.

[0040] Obviously, the above embodiments of the utility model are only examples for clearly illustrating the technical scheme of the utility model, and are not a limitation on the specific embodiments of the utility model. Any modification, equivalent replacement and improvement made within the spirit and principle of the utility model claims should be included in the protection scope of the utility model claims.

Claims

1. A reeling and unreeling device, characterized in that: It includes a winding and unwinding bracket and a winding and unwinding shaft, and the winding and unwinding bracket is also arranged with a tension adjustment roller, a tension detection roller and at least one guide roller; the relative positions of the tension adjustment roller, the tension detection roller and the guide roller are set so that the film roll on the winding and unwinding shaft passes through the tension adjustment roller, the tension detection roller and the guide roller, and the first surface side of the film roll only abuts against the surface of at most one roller among all the rollers of the tension adjustment roller, the tension detection roller or the guide roller; the first surface side is the surface side of the film roll used for compounding with downstream materials.

2. The rewinding and unwinding device according to claim 1, characterized in that: A surface treatment layer is provided on the corresponding roller body that abuts against the first surface side of the film roll.

3. The rewinding and unwinding device according to claim 1, characterized in that: The tension adjustment roller and the tension detection roller are arranged adjacent to each other.

4. The rewinding and unwinding device according to claim 3, characterized in that: A tension adjustment roller, a tension detection roller and a guide roller are arranged on the rewinding and unwinding bracket. The film roll passes through the guide roller, the tension adjustment roller and the tension detection roller in sequence, and the film roll passes through the first surface side against the tension adjustment roller, and passes through the second surface side opposite to the first surface side against the tension detection roller and the guide roller.

5. The rewinding and unwinding device according to claim 4, characterized in that: The guide roller is located on the front side of the reel, and its upper surface is higher than the lower surface of the reel; the tension adjustment roller is arranged below the guide roller; the tension detection roller includes a detection roller body, and the tension sensor is located on the opposite side of the detection roller body and the side where the film roll is abutted.

6. The rewinding and unwinding device according to claim 1, characterized in that: The rewinding and unwinding bracket includes a base plate and wall panels fixed on both sides of the base plate; an arc-shaped through hole is provided on the wall panel, and a swing arm driving mechanism is installed on the wall panel; the end of the tension adjustment roller is connected to the swing arm driving mechanism installed on the wall panel through the arc-shaped through hole; the swing arm driving mechanism drives to change the position of the tension adjustment roller in the direction of the arc-shaped through hole.

7. The rewinding and unwinding device according to claim 6, characterized in that: The swing arm driving mechanism includes a fixed cylinder seat, a cylinder, a swing arm fixing plate, and a swing arm rod; the fixed cylinder seat is installed on the outside of the wall panel, and the mounting end of the cylinder is rotatably connected to the fixed cylinder seat; the swing arm fixing plate is installed on the outside of the wall panel, one end of the swing arm rod is rotatably connected to the swing arm fixing plate, the other end of the swing arm rod is connected to the cylinder output end on the outside, and the inner side of the swing arm rod is connected to the end of the tension adjustment roller.

8. The rewinding and unwinding device according to any one of claims 1 to 6, characterized in that: The first surface side of the film roll is covered with a release film layer; the rewinding and unwinding device further comprises a peeling component, and the peeling component is configured to peel off the release film layer before the tension adjustment roller.

9. The rewinding and unwinding device according to any one of claims 1 to 6, characterized in that: The end portions of the tension adjustment roller, the tension detection roller and / or the guide roller have outer diameters that gradually decrease toward the outside and are formed into tapered roller heads.

10. The rewinding and unwinding device according to claim 6, characterized in that: A plurality of hollow installation openings are provided on the lower side of the wall panel, and a plurality of fixing installation holes communicating with the surface of the bottom plate are provided on the lower wall surface of the hollow installation openings.

11. A composite material production system, characterized in that: The invention comprises the unwinding and rewinding device according to any one of claims 1 to 10 and a compounding device located downstream.

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