Winding and unwinding device facilitating feeding and discharging

Abstract

The utility model discloses a winding and unwinding device facilitating feeding and discharging. The winding and unwinding device comprises a printing machine rack and a material shaft. A rotating shaft is rotationally installed on the printing machine rack, an adjusting plate is fixedly installed on the rotating shaft, a clamping device is arranged on the adjusting plate and used for clamping a material shaft, a pair of power devices is arranged on the printing machine rack, and the pair of power devices can push the adjusting plate to rotate around the axis of the rotating shaft. Through the arrangement of the clamping device, the power device and the adjusting plate, a large and heavy material shaft can be rapidly placed on the clamping device from the ground, meanwhile, the large and heavy material shaft can be rapidly detached from the clamping device, operation is convenient, time and labor are saved, safety and reliability are achieved, printing efficiency is improved, and operation safety is guaranteed; and through the arrangement of the adjusting blocks, the four supporting blocks can be pushed to synchronously stretch out or retract, so that the clamping device can adapt to material shafts of different specifications, can clamp the material shafts of different specifications, and has wide applicability.

Description

TECHNICAL FIELD

[0001] The utility model relates to a take -up and pay -off device technical field especially relates to a take -up and pay -off device convenient to feed and discharge. BACKGROUND

[0002] The take -up and pay -off device is the material feeding or collecting part of the material winding production line, is mainly used for unwinding the material roll through mechanical mode during unwinding, and is mainly used for winding the material through mechanical mode during winding. The take -up and pay -off device is widely used in paper roll, cloth roll, plastic roll and metal roll processing production line, and various designs are made according to actual process requirements.

[0003] For example, the utility model discloses a kind of automatic take -up and pay -off roll press of CN222573803U, by being synthesized together with material feeding mechanism, each tensioning mechanism, roll press mechanism, material collecting mechanism, and multiple transmission chains and transmission gears are arranged to form automatic transmission mechanism to realize automatic roll press, so as to ensure the efficiency and yield of film product roll press processing, but such structure still has the following several significant defects:

[0004] 1, when the material shaft diameter is larger, the material shaft before printing is placed on the printing machine, and the full roll of material shaft is unloaded from the printing machine, which is time-consuming and laborious, and safety accidents are easy to occur, not only causing property loss, but also easily causing personal injury to operators;

[0005] 2, when different specifications of material shafts need to be taken and paid off, the take -up and pay -off device cannot adapt to different specifications of material shafts, resulting in great limitations. SUMMARY

[0006] The utility model aims at solving one of the technical problems existing in the prior art.

[0007] The application provides a take -up and pay -off device convenient to feed and discharge, which comprises a printing machine rack and a material shaft.

[0008] Further, the power device comprises a fixed block and a power cylinder, the fixed block is fixedly installed on the printing machine rack, the power cylinder is hinged to the fixed block, and the output shaft of the power cylinder is hinged to the adjusting plate.

[0009] Further, the clamping device comprises a pair of clamping blocks and a pair of driving cylinders, the adjusting plate is provided with a pair of parallel sliding rails, the bottom end of each clamping block is fixedly connected with a sliding block, and the sliding block is slidably connected with the sliding rail.

[0010] The adjusting plate is fixedly provided with a pair of driving cylinders, and the output shafts of the pair of driving cylinders are fixedly connected with a pair of sliding blocks.

[0011] Further, the pair of driving cylinders and the output shafts of the driving cylinders are parallel to the sliding rail.

[0012] Further, the clamping blocks each comprise a fixed plate, a rotating block, a supporting block and an adjusting block, the bottom end of the fixed plate is fixedly connected with a sliding block, the rotating block is rotatably installed on the fixed plate, four supporting blocks distributed in equal intervals are slidably installed in the rotating block, and the adjusting block is rotatably installed on the rotating block and can push the four supporting blocks to synchronously extend or retract.

[0013] Further, the supporting blocks each comprise a pair of sliding blocks and a supporting plate, one end of the supporting plate is arc-shaped, the other end is fixedly provided with a pair of sliding blocks, the rotating block is provided with a sliding groove, and the sliding blocks are slidably installed in the sliding groove.

[0014] Further, the adjusting block comprises a rotating block and a pair of gears, the rotating block is rotatably installed in a rotating groove on the rotating block and is fixedly connected with a pair of gears, and the sliding blocks are each provided with a gear rack in meshing connection with the corresponding gear.

[0015] Further, the rotating block is provided with an arc-shaped groove, the rotating block is provided with four locking rods distributed in equal intervals in a ring shape, the locking rods are in sliding fit with the corresponding arc-shaped grooves, the locking rods are each provided with a thread, and the locking rods can be fixed at the current position through a nut.

[0016] Further, a motor is fixedly installed on one end of the fixed plate, and the output shaft of the motor is fixedly connected with the rotating block close to the motor.

[0017] The beneficial effects of the utility model are as follows:

[0018] 1. Through the arrangement of the clamping device, the power device and the adjusting plate, a larger and heavier material shaft can be quickly placed on the clamping device from the ground, and the larger and heavier material shaft can also be quickly unloaded from the clamping device, which is convenient, time-saving and labor-saving, safe and reliable, improves the printing efficiency and ensures the operation safety.

[0019] 2. Through the arrangement of the adjusting block, the four supporting blocks can be synchronously extended or retracted, so that they can be adapted to different specifications of the material shaft, and the clamping of the material shafts with different specifications can be met, and the applicability is wide. DRAWINGS

[0020] Figure 1 It is a structure schematic view of the roll winding and unwinding device convenient for feeding and discharging in the embodiments of the application.

[0021] Figure 2 It isFigure 1 Enlarged structural schematic view at B in FIG. 1;

[0022] Figure 3 Enlarged structural schematic view at C in FIG. 1; Figure 1 Enlarged structural schematic view at D in FIG. 1;

[0023] Figure 4 Structural schematic view of the clamping block in the embodiment of the present application;

[0024] Figure 5 Structural schematic view of the rotating block, the supporting block and the adjusting block along the direction of C-C in the embodiment of the present application; Figure 4 Structural schematic view of the rotating block, the supporting block and the adjusting block along the direction of C-C in the embodiment of the present application;

[0025] Figure 6 Enlarged structural schematic view at D in FIG. 1; Figure 5 Enlarged structural schematic view at D in FIG. 1;

[0026] Figure 7 Structural schematic view of the rotating block, the supporting block and the adjusting block along the direction of E-E in the embodiment of the present application; Figure 6 Structural schematic view of the rotating block, the supporting block and the adjusting block along the direction of E-E in the embodiment of the present application;

[0027] Figure 8 Structural schematic view of the rotating block, the supporting block and the adjusting block along the direction of F-F in the embodiment of the present application; Figure 6 Structural schematic view of the rotating block, the supporting block and the adjusting block along the direction of F-F in the embodiment of the present application;

[0028] Figure 9 Structural schematic view of the circular arc groove and the locking rod in the embodiment of the present application.

[0029] Reference signs

[0030] 1-printing machine frame, 2-material shaft, 31-rotating shaft, 32-adjusting plate, 4-clamping device, 41-clamping block, 42-driving cylinder, 43-slideway, 44-slideway block, 5-power device, 51-fixed block, 52-power cylinder, 61-fixed plate, 62-rotating block, 621-sliding groove, 622-rotating groove, 63-supporting block, 631-sliding block, 632-supporting plate, 633-rack, 64-adjusting block, 641-rotating block, 642-gear, 65-circular arc groove, 66-locking rod, 67-motor. DETAILED DESCRIPTION

[0031] The technical solutions in the embodiments of the present application will be clearly described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are some but not all of the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art belong to the scope of protection of the present application.

[0032] The terms "first", "second", etc. in the specification and claims of the present application are used to distinguish similar objects, and are not used to describe a specific order or sequence. It should be understood that the data used in this way can be interchanged under appropriate circumstances, so that the embodiments of the present application can be implemented in an order other than those illustrated or described herein, and the objects distinguished by "first", "second", etc. are generally a class, not limited to the number of objects, for example, the first object can be one or more. In addition, "and / or" in the specification and claims indicates at least one of the connected objects, and the character " / ", generally indicates that the front and rear associated objects are in a "or" relationship.

[0033] The application provides a winding and unwinding device facilitating feeding and discharging, which is described in detail below in combination with the drawings, specific embodiments and application scenarios.

[0034] Embodiment 1

[0035] As shown in the drawings, the application provides a winding and unwinding device facilitating feeding and discharging, which comprises a printing machine frame 1 and a material shaft 2. Figures 1 to 4 The printing machine frame 1 is provided with a rotating shaft 31, the rotating shaft 31 is fixedly provided with an adjusting plate 32, the adjusting plate 32 is provided with a clamping device 4, the clamping device 4 is used for clamping the material shaft 2, and the printing machine frame 1 is provided with a pair of power devices 5.

[0036] Further, the power devices 5 each comprise a fixed block 51 and a power cylinder 52, the fixed block 51 is fixedly installed on the printing machine frame 1, the power cylinder 52 is hingedly connected with the fixed block 51, and the output shaft of the power cylinder 52 is hingedly connected with the adjusting plate 32.

[0037] Further, the clamping device 4 comprises a pair of clamping blocks 41 and a pair of driving cylinders 42, the adjusting plate 32 is provided with a pair of parallel sliding rails 43, the bottom ends of the pair of clamping blocks 41 are fixedly connected with a pair of sliding blocks 44, and the pair of sliding blocks 44 are slidingly connected with the pair of sliding rails 43.

[0038] Further, the pair of driving cylinders 42 and the output shafts of the driving cylinders 42 are parallel to the sliding rails 43.

[0039] In this embodiment of the present application, when the material shaft 2 needs to be installed, the material shaft 2 is placed on the bottom surface, and a pair of power cylinders 52 are started synchronously to drive the adjusting plate 32 to rotate around the axis of the rotating shaft 31 until the pair of clamping blocks 41 reach the two ends of the material shaft 2, and then a pair of drive cylinders 42 are started to drive the corresponding clamping blocks 41 to slide along the sliding rails 43, so that the pair of clamping blocks 41 are inserted into the two ends of the material shaft 2 and the material shaft 2 is clamped, at this time the installation of the material shaft 2 is completed, and then a pair of power cylinders 52 are started synchronously to drive the adjusting plate 32 to rotate around the axis of the rotating shaft 31 to reset the adjusting plate 32.

[0040] When the material shaft 2 needs to be disassembled, a pair of power cylinders 52 are started synchronously to drive the adjusting plate 32 to rotate around the axis of the rotating shaft 31 until the material shaft 2 is placed on the ground, and then a pair of drive cylinders 42 are started to drive the corresponding clamping blocks 41 to slide along the sliding rails 43, so that the pair of clamping blocks 41 are separated from the material shaft 2, at this time the disassembly of the material shaft 2 is completed, and then a pair of power cylinders 52 are started synchronously to drive the adjusting plate 32 to rotate around the axis of the rotating shaft 31 to reset the adjusting plate 32.

[0041] Embodiment 2:

[0042] As shown in Figure 1 , Figures 4 to 9 In this embodiment, in addition to the structural features of the foregoing embodiments, the clamping blocks 41 each include a fixed plate 61, a rotating block 62, a supporting block 63, and an adjusting block 64, the bottom end of the fixed plate 61 is fixedly connected with a sliding block 44, the rotating block 62 is rotatably installed on the fixed plate 61, four supporting blocks 63 distributed in a ring shape at equal intervals are slidably installed in the rotating block 62, and the adjusting block 64 is rotatably installed on the rotating block 62 and can drive the four supporting blocks 63 to synchronously extend or retract.

[0043] Further, the supporting block 63 includes a pair of sliding blocks 631 and a supporting plate 632, one end of the supporting plate 632 is in a circular arc shape, the other end is fixedly installed with the pair of sliding blocks 631, and the rotating block 62 is provided with a sliding groove 621, and the sliding blocks 631 are slidably installed in the sliding groove 621.

[0044] Further, the adjusting block 64 includes a rotating block 641 and a pair of gears 642, the rotating block 62 is provided with a rotating groove 622, the rotating block 641 is rotatably installed in the rotating groove 622 and is fixedly connected with the pair of gears 642, and the sliding blocks 631 are each provided with a gear rack 633, and the gear rack 633 is in meshing connection with the corresponding gear 642.

[0045] Further, the rotating block 62 is provided with a circular arc groove 65, and the rotating block 641 is provided with four locking rods 66 distributed in a ring shape at equal intervals, the locking rod 66 is in sliding fit with the corresponding circular arc groove 65, and the locking rod 66 is provided with a screw thread, which can be fixed in the current position through a nut.

[0046] Further, the fixed plate 61 at one end is fixedly provided with a motor 67, the output shaft of the motor 67 is fixedly connected with the rotating block 62 close to the motor 67.

[0047] In the embodiment of the application, after a pair of clamping blocks 41 are respectively inserted into the two ends of the material shaft 2, the corresponding rotating block 641 can be rotated by loosening the nut, and the rotating block 641 rotates to drive the corresponding pair of gears 642 to rotate synchronously, because the sliding block 631 is provided with a rack 633, the rack 633 is in meshing connection with the corresponding gear 642, so that the gear 642 can drive the corresponding four sliding blocks 631 to slide outward, until the one end of the support plate 632 in the circular arc type abuts against the inner ring of the material shaft 2, and then the corresponding nut is tightened to fix the rotating block 641 in the current position, at this time, the clamping at one end is completed, and the clamping at the other end can be completed through the above operation.

[0048] The locking rod 66 is in sliding fit with the corresponding circular arc groove 65, and the circular arc groove 65 can limit the rotation angle of the corresponding rotating block 641, so as to avoid the sliding block 321 from sliding out of the corresponding sliding groove 621.

[0049] The fixed plate 61 at one end is fixedly provided with a motor 67, the output shaft of the motor 67 is fixedly connected with the rotating block 62 close to the motor 67, and the motor 67 rotates to drive the rotating block 62 to rotate, thereby providing the winding and unwinding force.

[0050] It should be noted that in this document, the terms "comprise", "comprising", or any other variant thereof are intended to cover non-exclusive inclusions, so that processes, methods, articles, or devices that include a series of elements not only include those elements, but also include other elements not explicitly listed, or inherent to such processes, methods, articles, or devices. Without more limitations, the element defined by the statement "comprises a" does not exclude the presence of another identical element in the process, method, article, or device that includes the element. In addition, it should be pointed out that the scope of the methods and devices in the embodiments of the application is not limited to the order of functions shown or discussed, but can also include functions performed in a substantially simultaneous manner or in the opposite order, for example, the described method can be performed in an order different from that described, and various steps can also be added, omitted, or combined. In addition, the features described with reference to certain examples can be combined in other examples.

[0051] The embodiments of the present application are described above with reference to the accompanying drawings, but the present application is not limited to the specific embodiments described above, and the specific embodiments described above are merely illustrative, but not restrictive, and a person of ordinary skill in the art can make many forms under the inspiration of the present application without departing from the purpose of the present application and the scope protected by the claims.

Claims

1. A winding and unwinding device with convenient feeding and discharging, comprising a printing machine frame and a material shaft, characterized in that, The printing machine frame is provided with a rotating shaft, and the rotating shaft is fixedly installed with an adjusting plate. The adjusting plate is provided with a clamping device for clamping a material shaft. The printing machine frame is provided with a pair of power devices, which can drive the adjusting plate to rotate around the axis of the rotating shaft.

2. The winding and unwinding device facilitating easy feeding and discharging according to claim 1, characterized in that, The power device comprises a fixed block and a power cylinder. The fixed block is fixedly installed on the printing machine frame, and the power cylinder is hingedly connected to the fixed block. The output shaft of the power cylinder is hingedly connected to the adjusting plate.

3. The winding and unwinding device facilitating easy loading and unloading according to claim 1, characterized in that, The clamping device comprises a pair of clamping blocks and a pair of drive cylinders. The adjusting plate is provided with a pair of parallel sliding rails. The bottom end of each clamping block is fixedly connected with a sliding block, and the sliding block is slidingly connected with the sliding rail. The adjusting plate is fixedly installed with a pair of drive cylinders. The output shafts of the drive cylinders are fixedly connected with the sliding blocks, respectively. The drive cylinder can drive the corresponding clamping block to slide along the sliding rail.

4. The winding and unwinding device facilitating easy loading and unloading according to claim 3, characterized in that, The output shafts of the drive cylinders are parallel to the sliding rails.

5. The winding and unwinding device facilitating easy loading and unloading according to claim 3, wherein, Each clamping block comprises a fixed plate, a rotating block, a supporting block, and an adjusting block. The bottom end of the fixed plate is fixedly connected with a sliding block. The rotating block is rotatably installed on the fixed plate. Four supporting blocks are slidingly installed in the rotating block at equal intervals. The adjusting block is rotatably installed on the rotating block and can drive the four supporting blocks to extend or retract synchronously.

6. The winding and unwinding device facilitating easy loading and unloading according to claim 5, characterized in that, Each supporting block comprises a pair of sliding blocks and a supporting plate. One end of the supporting plate is arc-shaped, and the other end is fixedly installed with a pair of sliding blocks. The rotating block is provided with a sliding groove, and the sliding blocks are slidingly installed in the sliding groove.

7. The winding and unwinding device facilitating easy loading and unloading according to claim 6, characterized in that, The adjusting block comprises a rotating block and a pair of gears. The rotating block is rotatably installed in the rotating groove and is fixedly connected with a pair of gears. The sliding blocks are each provided with a gear rack, and the gear rack is meshingly connected with the corresponding gear.

8. The winding and unwinding device facilitating easy loading and unloading according to claim 7, characterized in that, The rotating block is provided with an arc groove, and the rotating block is provided with four locking rods distributed at equal intervals in a ring shape. The locking rods are slidingly matched with the corresponding arc grooves. The locking rods are each provided with a thread, and the locking rods can be fixed at the current position by a nut.

9. The winding and unwinding device facilitating easy loading and unloading according to claim 5, wherein, One end of the fixed plate is fixedly installed with a motor, and the output shaft of the motor is fixedly connected with the rotating block close to the motor.

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