Rewinding machine

Abstract

The utility model relates to the technical field of rewinding equipment, and discloses a rewinding machine which comprises a machine frame, an unwinding shaft, a winding shaft, deviation rectifying equipment and transfer printing equipment, the machine frame comprises a base, a bearing plate arranged on the base and a side plate located above the base, the side plate is located on the outer side of the bearing plate, and a bearing area for coiled materials to penetrate through is formed between the side plate and the bearing plate; the unwinding shaft is located above the base, and the end, close to the bearing plate, of the unwinding shaft is rotationally connected with the bearing plate. The winding shaft is located above the base, the winding shaft and the unwinding shaft are arranged on the same straight line side by side at intervals, and the end, close to the bearing plate, of the winding shaft is rotatably connected with the bearing plate; the deviation rectifying equipment is mounted at one end, close to the unwinding shaft, of the bearing area; the transfer printing device is detachably installed on the bearing area and located on the outer side of the deviation rectifying device. Different patterns can be printed on the coiled material through different devices, multiple purposes are achieved through one machine, machines of different types of transfer printing devices do not need to be matched, and the production cost can be effectively reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of rewinding equipment, in particular to a rewinding machine. Background Art

[0002] Rewinders are widely used in modern industry. They typically convert large-diameter coils into smaller ones, or smaller ones. These are primarily used for mica tape, kraft paper, plastic film, and adhesive tape. The smaller coils are then wound into finished products, facilitating transportation, storage, and subsequent reprocessing and slitting. However, current rewinders are complex, occupy a large space, and cannot be used with different printing equipment (such as thermal transfer printers, inkjet printers, and UV printers) to meet different printing needs. Multiple rewinders are required to meet different printing requirements, which undoubtedly increases production costs, site costs, and energy consumption. Utility Model Content

[0003] In order to solve the above technical problems or at least partially solve the above technical problems, the present application provides a rewinding machine.

[0004] The present application provides a rewinding machine, comprising:

[0005] The frame includes a base, a load-bearing plate provided on the base, and a side plate located above the base, wherein the side plate is located outside the load-bearing plate and forms a load-bearing area for the coil to pass through between the side plate and the load-bearing plate;

[0006] an unwinding shaft, located above the base, wherein one end of the unwinding shaft close to the supporting plate is rotatably connected to the supporting plate;

[0007] a reeling shaft located above the base and spaced apart from the unreeling shaft on the same straight line, with one end of the reeling shaft close to the supporting plate being rotatably connected to the supporting plate;

[0008] A deflection correction device is installed at one end of the bearing area close to the unwinding shaft, and is used to correct the deflection of the coil output from the unwinding shaft;

[0009] The transfer device is detachably mounted on the carrying area and is located outside the deflection-correcting device, and is used for printing the roll material after being deflected by the deflection-correcting device.

[0010] In a possible embodiment, a support plate is further included, which is arranged on the bearing area and located on the outside of the correction device. Both side edges of the support plate are provided with connecting strips extending along the length direction thereof, and the connecting strips are provided with sliding grooves passing through both ends of the connecting strips. The bottom of the transfer device is provided with a slider adapted to the sliding groove, so that the transfer device can be detachably connected to the support plate.

[0011] In a possible implementation, a first mounting hole is formed on the connecting bar, and a second mounting hole is formed on the top of the supporting plate and the top of the side plate, and the second mounting hole is adapted to fit the first mounting hole.

[0012] In a possible implementation, the transfer device is a thermal transfer device, a UV printer, or an inkjet printer.

[0013] In a possible embodiment, it also includes a roller assembly, which includes a first roller unit, a second roller unit and a third roller unit arranged in sequence along the running direction of the roll, the first roller unit and the second roller unit are respectively arranged on both sides of the correction device, and the third roller unit is provided on the outer side of the support plate, which is used to guide the transferred roll to the winding shaft.

[0014] In a possible embodiment, a drive assembly is further included, which includes a drive motor, a driving wheel and a pulley. The drive motor is arranged on the supporting plate and is located on the same side as the unwinding shaft and the rewinding shaft. The output end of the drive motor passes through the supporting plate and is connected to the driving wheel. The pulley is installed at one end of the rewinding shaft that passes through the supporting plate, and a transmission belt is connected between the pulley and the driving wheel.

[0015] In a possible embodiment, the invention further includes a controller and a magnetic powder brake electrically connected to the controller, the unwinding shaft passes through one end of the carrier plate and is arranged in the magnetic powder brake, and an encoding disk is fixedly provided on one end of the unwinding shaft passing through the magnetic powder brake, and the housing of the magnetic powder brake is provided with a sensor for detecting the encoding disk, and the sensor is electrically connected to the controller.

[0016] In a possible implementation, both the unwinding shaft and the rewinding shaft are pneumatic shafts.

[0017] In a possible implementation, a plurality of universal wheels are connected to the bottom of the base.

[0018] The above technical solution provided by the embodiment of the present application has the following advantages compared with the prior art:

[0019] By rotating the reel, the coil first passes through the deflection correction device, and is automatically deflected under the action of the deflection correction device. The deflected coil is then transported to the transfer device, where a pattern or text is transferred onto the surface of the coil. The coil is then wound onto the reel, thereby integrating automatic unwinding, deflection correction, transfer, and rewinding of the coil, which is beneficial to improving production efficiency. At the same time, the transfer device is detachably mounted on the carrying area, so that different transfer devices can be replaced according to different needs, and different devices can be used to print different patterns on the coil, achieving multi-purpose use of one machine without the need to coordinate different types of transfer devices, which can effectively reduce production costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a structural diagram of a rewinding machine according to an embodiment of the present utility model;

[0021] Figure 2 This is a structural diagram of a rewinding machine without a transfer device according to an embodiment of the present utility model;

[0022] Figure 3 This is a structural schematic diagram of a rewinding machine according to an embodiment of the utility model after removing the transfer device from another perspective;

[0023] Figure 4 It is a structural schematic diagram of a connecting strip in a rewinding machine according to an embodiment of the present utility model.

[0024] Figure Number:

[0025] 10. Frame; 11. Base; 12. Loading plate; 13. Side plate; 20. Unwinding shaft; 30. Rewinding shaft; 40. Correction device; 50. Transfer device; 60. Connecting strip; 60a. Slide groove; 60b. First mounting hole; 70. Drive assembly; 71. Drive motor; 72. Driving wheel; 73. Pulley; 80. Support plate; 91. First roller unit; 92. Second roller unit; 93. Third roller unit; 100. Encoder; 110. Magnetic powder brake. DETAILED DESCRIPTION

[0026] In order to have a clearer understanding of the technical features, purposes and effects of the present invention, the specific embodiments of the present invention are now described in detail with reference to the accompanying drawings. In the following description, it should be understood that the directions or positional relationships indicated by "front", "back", "up", "down", "left", "right", "longitudinal", "horizontal", "vertical", "horizontal", "top", "bottom", "inside", "outside", "head", "tail", etc. are based on the directions or positional relationships shown in the accompanying drawings and are constructed and operated in specific directions. They are only for the convenience of describing the present technical solution and do not indicate that the devices or components referred to must have specific directions. Therefore, they should not be understood as limiting the present invention.

[0027] It should also be noted that, unless otherwise clearly specified and limited, terms such as "installed", "connected", "connected", "fixed", and "set" should be understood in a broad sense. For example, they can be fixedly connected, detachably connected, or integrated; they can be mechanically connected or electrically connected; they can be directly connected or indirectly connected through an intermediate medium, and they can be internal connections between two elements or interactions between two elements. When an element is referred to as being "on" or "under" another element, the element can be "directly" or "indirectly" located on the other element, or there may be one or more intervening elements. The terms "first", "second", and "third" are only used to facilitate the description of the present technical solution and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, features defined as "first", "second", and "third" can explicitly or implicitly include one or more of these features. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0028] In the following description, specific details such as specific system structures and techniques are provided for purposes of illustration, not limitation, to facilitate a thorough understanding of the embodiments of the present invention. However, it will be apparent to those skilled in the art that the present invention may be implemented in other embodiments without these specific details. In other cases, detailed descriptions of well-known systems, devices, circuits, and methods are omitted to avoid obscuring the description of the present invention with unnecessary detail.

[0029] Please combine Figures 1 to 4 A rewinding machine according to an embodiment of the present invention includes a frame 10, a rewinding shaft 20, a rewinding shaft 30, a correction device 40 and a transfer device 50.

[0030] Specifically, the frame 10 includes a base 11, a support plate 12 mounted on the base 11, and a side plate 13 positioned above the base 11. The side plate 13 is positioned outside the support plate 12 and forms a support area for the web to pass through. A reel 20 is positioned above the base 11, with the end of the reel 20 near the support plate 12 being rotatably connected to the support plate 12. A reel 30 is positioned above the base 11 and spaced parallel to the reel 20 on the same straight line. The end of the reel 30 near the support plate 12 is rotatably connected to the support plate 12. A deflection correction device 40 is mounted on the support area near the end of the reel 20 and is used to correct the deflection of the web discharged from the reel 20. A transfer device 50 is removably mounted on the support area and positioned outside the deflection correction device 40 and is used to print on the web after the deflection correction device 40 corrects the deflection of the web.

[0031] For example, the web deflection correction device is used to correct the web as it is output from the unwinding reel 20 and travels toward the rewinding reel 30, thereby ensuring that positional deviation does not occur during the subsequent transfer process, thereby achieving a better transfer effect. It should be noted that the web deflection correction device employed in this embodiment may be any conventional device used for web deflection correction in the prior art, and this is not a limitation.

[0032] The rewinding machine based on the above technical features utilizes the rotation of the rewinding shaft 30 to allow the coil to first pass through the deflection correction device, and automatically correct the deflection under the action of the deflection correction device. The deflected coil is then transported to the transfer device 50, and the transfer device 50 is used to transfer a pattern or text on the surface of the coil, and finally wound onto the rewinding shaft 30, thereby realizing the automatic unwinding, deflection correction, transfer and rewinding of the coil in one, which is beneficial to improving production efficiency. At the same time, the transfer device 50 is installed on the bearing area in a detachable manner, so that different transfer devices 50 can be replaced according to different needs, and different devices can be used to print different patterns on the coil, realizing multiple uses of one machine, without the need to use a pair of machines with different types of transfer devices 50, which can effectively reduce production costs.

[0033] In a possible embodiment, a support plate 80 is further included. The support plate 80 is arranged on the bearing area and is located on the outside of the correction device 40. Both side edges of the support plate 80 are provided with connecting strips 60 extending along its length direction. The connecting strip 60 is provided with a slide groove 60a that passes through both ends of the connecting strip 60. The bottom of the transfer device 50 is provided with a slider that is adapted to the slide groove 60a, so that the transfer device 50 can be detachably connected to the support plate 80.

[0034] For example, by providing a support plate 80 on the supporting area and connecting strips 60 on both sides of the support plate 80, the transfer device 50 can be fixed to the support plate 80. At this time, the transfer head of the transfer device 50 is located above the support plate 80. When the web is transported to the surface of the support plate 80, the transfer head of the transfer device 50 contacts the surface of the web, and then can transfer the pattern or text on the surface of the web. In other words, the support plate 80 is provided to support the web, ensuring that the web is better supported during the transfer process, thereby achieving a better transfer effect.

[0035] Furthermore, by providing a slider at the bottom of the transfer device 50 and providing a chute 60a on the connecting bar 60, the slider can slide from one end of the connecting bar 60 into the chute 60a, thereby connecting the transfer device 50 to the connecting bar 60 and thus installing the transfer device 50 on the load-bearing area. When a different transfer device 50 needs to be replaced, the transfer device 50 can simply be slid away from the correction device to remove the transfer device 50 from the connecting bar 60, and then another transfer device 50 can be installed on the connecting bar 60. This provides a simple structure and convenient assembly and disassembly. Furthermore, in this embodiment, the chute 60a is in an inverted trapezoidal shape to ensure that the slider will not move randomly after sliding into the chute 60a.

[0036] In one possible embodiment, a first mounting hole 60b is defined in the connecting bar 60, and a second mounting hole is defined on the top of the support plate 12 and the top of the side plate 13, respectively. The second mounting hole mates with the first mounting hole 60b. In other words, after the connecting bar 60 is placed on top of the support plate 12, the first mounting hole 60b of the connecting bar 60 is aligned with the second mounting hole on the top of the support plate 12. Fasteners (e.g., bolts) are then passed through the first mounting hole 60b and the second mounting hole in sequence, thereby securing the connecting bar 60 to the top of the support plate 12. This provides a simple structure and easy assembly and disassembly. It should be noted that the method for securing the connecting bar 60 to the top of the side plate 13 is the same as the method for securing the connecting bar 60 to the support plate 12. For this purpose, reference may be made to the specific securing method described above, and this will not be described in detail.

[0037] In one possible embodiment, the transfer device 50 is a thermal transfer device 50, a UV printer, or an inkjet printer. That is, different transfer devices 50 can be replaced according to different needs, allowing different devices to print different patterns on the web, achieving multiple uses with one machine. This eliminates the need to use two machines with different types of transfer devices 50, effectively reducing production costs.

[0038] In one possible embodiment, a roller assembly is further included, comprising a first roller unit 91, a second roller unit 92, and a third roller unit 93, arranged sequentially along the web's travel direction. The first and second roller units 91, 92 are positioned on either side of the web-correcting device. The third roller unit 93, located outside the support plate 80, is used to guide the web after transfer to the reel 30. Thus, after the web is unwound from the unwinding reel 20, the first roller unit 91 guides the web to the web-correcting device 40 for web-correction. The second roller unit 92 then guides the web after web-correction to the transfer device 50, where the transfer device 50 transfers the web to print a pattern or text onto the web surface. The third roller unit 93 then guides the web after transfer to the reel 30 for rewinding. In other words, the first, second, and third roller units 91, 92, and 93 all serve to guide the web, ensuring smooth transport.

[0039] In addition, it should be noted that the first roller unit 91 , the second roller unit 92 and the third roller unit 93 may each include at least one roller, and both ends of the roller are rotatably connected to the supporting plate 12 and the side plate 13 , respectively.

[0040] In one possible embodiment, a drive assembly 70 is further included, comprising a drive motor 71, a driving pulley 72, and a pulley 73. The drive motor 71 is disposed on the carrier plate 12 and is located on the same side as the unwinding shaft 20 and the rewinding shaft 30. The output end of the drive motor 71 passes through the carrier plate 12 and is connected to the driving pulley 72. The pulley 73 is mounted on one end of the rewinding shaft 30 that passes through the carrier plate 12, and a transmission belt is connected between the pulley 73 and the driving pulley 72. In other words, during unwinding, the driving pulley 72 is driven to rotate by controlling the drive motor 71, so that the transmission belt drives the pulley 73 to rotate, thereby driving the rewinding shaft 30 to rotate. At this time, the coil is unwound from the unwinding shaft 20 and rewound on the rewinding shaft 30, thereby realizing automatic unwinding and rewinding of the coil, with a simple structure and convenient operation.

[0041] In a possible embodiment, it further includes a controller and a magnetic powder brake 110 electrically connected to the controller. The unwinding shaft 20 passes through one end of the carrier plate 12 and is arranged in the magnetic powder brake 110. The unwinding shaft 20 passes through one end of the magnetic powder brake 110 and is fixed with an encoding disk 100. The housing of the magnetic powder brake 110 is provided with a sensor for detecting the encoding disk, and the sensor is electrically connected to the controller.

[0042] Exemplarily, the sensor is used to detect the number of revolutions of the encoding disk 100 and send the number of revolutions to the controller, that is, the sensor detects that the encoding disk 100 rotates one revolution, so when the controller (which may include the encoding disk) detects that the coil wound outside the unwinding shaft 20 rotates one revolution, since the length of each encoding disk 100 traveling one revolution is fixed, the controller can determine the length of the coil wound outside the unwinding shaft 20 traveling one revolution through the number of revolutions of the encoding disk 100, and calculate the diameter of the coil wound outside the unwinding shaft 20 based on the length of the coil wound around the unwinding shaft 20 traveling one revolution, and then the controller outputs the corresponding current value to the magnetic powder brake 110 according to the size of the diameter, so that the magnetic powder brake 110 adjusts the braking force on the unwinding air expansion shaft according to the size of the current, thereby realizing the control of the speed of the unwinding air expansion shaft.

[0043] The unwinding shaft 20 and the rewinding shaft 30 have the same linear speed, so at the beginning of unwinding, the drive motor 71 controls the speed of the rewinding shaft 30 to be faster, and the resistance generated by the magnetic powder brake 110 on the unwinding shaft 20 is relatively small. After a period of rewinding, the diameter of the coil wound on the unwinding shaft 20 becomes smaller, while the diameter of the coil wound on the rewinding shaft 30 becomes larger. Since the linear speed of the unwinding shaft 20 and the rewinding shaft 30 is the same, the drive motor 71 controls the speed of the rewinding shaft 30 to be slower, and the resistance generated by the magnetic powder brake 110 on the unwinding shaft 20 is relatively large, so that the speed of the unwinding shaft 20 and the speed of the rewinding shaft 30 match each other. In addition, the reel 30 rotates by pulling the unwinding shaft 20 by the coil. Therefore, when the diameter of the coil wound on the unwinding shaft 20 becomes smaller, the speed of the unwinding shaft 20 will become faster and faster, or the speed of the unwinding shaft 20 will be too fast due to the influence of inertia, resulting in excessive unwinding and accumulation in the rewinder, which is easy to damage the coil. Therefore, to prevent this situation, the present embodiment brakes the unwinding shaft 20 with a magnetic powder brake 110, so that the speed of the unwinding shaft 20 and the speed of the rewinding shaft 30 match each other, and the phenomenon of the unwinding shaft 20 rotating too fast due to inertia will not occur. In other words, the linear speed of the unwinding shaft 20 and the speed of the rewinding shaft 30 are constantly changing, so that the speed of the unwinding shaft 20 and the speed of the rewinding shaft 30 are matched, so that the equipment can stably unwind and rewind, effectively reducing the probability of damage and saving costs.

[0044] In a possible embodiment, both the unwinding shaft 20 and the rewinding shaft 30 are pneumatic shafts. In this way, it can be ensured that the unwinding shaft 20 and the rewinding shaft 30 can apply a certain tension to the coiled material to prevent the coiled material from being too loose and affecting the rewinding or unwinding.

[0045] In a possible embodiment, a plurality of universal wheels are connected to the bottom of the base 11. In this way, the entire rewinding machine can be moved by utilizing the plurality of universal wheels arranged at the bottom of the base 11 so that it can be transferred according to needs.

[0046] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and replacements can be made without departing from the technical principles of the present invention. These improvements and replacements should also be regarded as the scope of protection of the present invention.

Claims

1. A rewinding machine, characterized in that: include: The frame includes a base, a load-bearing plate provided on the base, and a side plate located above the base, wherein the side plate is located outside the load-bearing plate and forms a load-bearing area for the coil to pass through between the side plate and the load-bearing plate; an unwinding shaft, located above the base, wherein one end of the unwinding shaft close to the supporting plate is rotatably connected to the supporting plate; a reeling shaft located above the base and spaced apart from the unreeling shaft on the same straight line, with one end of the reeling shaft close to the supporting plate being rotatably connected to the supporting plate; A deflection correction device is installed at one end of the bearing area close to the unwinding shaft, and is used to correct the deflection of the coil output from the unwinding shaft; The transfer device is detachably mounted on the carrying area and is located outside the deflection-correcting device, and is used for printing the roll material after being deflected by the deflection-correcting device.

2. The rewinding machine according to claim 1, characterized in that It also includes a support plate, which is arranged on the bearing area and located on the outside of the correction device. Both side edges of the support plate are provided with connecting strips extending along the length direction of the support plate. The connecting strip is provided with a sliding groove running through both ends of the connecting strip. The bottom of the transfer device is provided with a slider adapted to the sliding groove so that the transfer device can be detachably connected to the support plate.

3. The rewinding machine according to claim 2, characterized in that A first mounting hole is provided on the connecting bar, and a second mounting hole is provided on the top of the bearing plate and the top of the side plate, and the second mounting hole is adapted to the first mounting hole.

4. The rewinding machine according to claim 1 or 2, characterized in that: The transfer device is one of a thermal transfer device, a UV printer or an inkjet printer.

5. The rewinding machine according to claim 2, characterized in that It also includes a roller assembly, which includes a first roller unit, a second roller unit and a third roller unit arranged in sequence along the running direction of the roll, the first roller unit and the second roller unit are respectively arranged on both sides of the correction device, and the third roller unit is provided on the outer side of the support plate, for guiding the transferred roll to the winding shaft.

6. The rewinding machine according to claim 1, characterized in that It also includes a driving assembly, which includes a driving motor, a driving wheel and a pulley. The driving motor is arranged on the supporting plate and is located on the same side as the unwinding shaft and the rewinding shaft. The output end of the driving motor passes through the supporting plate and is connected to the driving wheel. The pulley is installed at one end of the rewinding shaft that passes through the supporting plate, and a transmission belt is connected between the pulley and the driving wheel.

7. The rewinding machine according to claim 1, characterized in that It also includes a controller and a magnetic powder brake electrically connected to the controller. The unwinding shaft passes through one end of the carrier plate and is arranged in the magnetic powder brake. The unwinding shaft passes through one end of the magnetic powder brake and is fixed with an encoding disk. The housing of the magnetic powder brake is provided with a sensor for detecting the encoding disk, and the sensor is electrically connected to the controller.

8. The rewinding machine according to claim 1, characterized in that The unwinding shaft and the rewinding shaft are both air-expanding shafts.

9. The rewinding machine according to claim 1, characterized in that The bottom of the base is connected with a plurality of universal wheels.

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