A winding clamp arm device

Abstract

This utility model relates to the field of winding machine technology and discloses a winding clamping arm device, comprising: a rotating frame with a connecting hole in the middle; two clamping arms, one located on the left side of the rotating frame and the other on the right side, the side of the clamping arm closest to the rotating frame being rotatably connected to the side of the rotating frame, and the other side of the clamping arm being equipped with an openable and closable gripper mechanism; and a drive assembly including a first cylinder and a second cylinder, the cylinder body of the first cylinder being rotatably connected to the top of the rotating frame, and the telescopic shaft of the first cylinder being rotatably connected to one of the clamping arms; the cylinder body of the second cylinder being rotatably connected to the bottom of the rotating frame, and the telescopic shaft of the second cylinder being rotatably connected to the other clamping arm. This utility model can clamp and support an air expansion shaft, preventing deformation of the air expansion shaft.

Description

Technical Field

[0001] This utility model relates to the field of winding machine technology, and in particular to a winding clamping arm device. Background Technology

[0002] A winding machine, also called a take-up machine or winding device, has the core function of neatly, tightly, and evenly winding continuously produced strip materials (rolls) into rolls for easy storage, transportation, and subsequent processing. It is the last key link in a roll material processing production line (such as printing, coating, slitting, rewinding, etc.). Existing winding machines generally include a drive arm, a central shaft, and an air shaft for loading and unloading rolls. The drive arm is located on one side of the winding machine, and one end of the central shaft and one end of the air shaft are respectively mounted on the drive arm. The drive arm can rotate around the axis of the central shaft together with it. To improve production efficiency, there are generally two air shafts. During use, one is in the production position and the other is in the standby position to load and unload rolls. The position of the two air shafts can be switched by controlling the rotation of the drive arm. However, in existing winding machines, the end of the air shaft away from the drive arm is only supported when it is in the production position. That is, when the air shaft is switched from the production position to the standby position, the end away from the drive arm is suspended. Long-term use can easily cause the air shaft to deform and eventually break. Utility Model Content

[0003] The technical problem to be solved by this utility model is to provide a winding clamping arm device that can clamp and support the air expansion shaft and prevent the air expansion shaft from deforming.

[0004] To solve the above-mentioned technical problems, this utility model provides a winding clamping arm device, comprising: a rotating frame with a connecting hole in the middle; two clamping arms, one of which is located on the left side of the rotating frame and the other on the right side of the rotating frame, the side of the clamping arm closest to the rotating frame being rotatably connected to the side of the rotating frame, and the other side of the clamping arm being equipped with an opening and closing gripper mechanism; and a driving assembly, comprising a first cylinder and a second cylinder, the cylinder body of the first cylinder being rotatably connected to the top of the rotating frame, and the telescopic shaft of the first cylinder being rotatably connected to one of the clamping arms; the cylinder body of the second cylinder being rotatably connected to the bottom of the rotating frame, and the telescopic shaft of the second cylinder being rotatably connected to the other clamping arm.

[0005] As a preferred embodiment of the present invention, the gripper mechanism includes a fixed gripper block, a movable gripper block, and a drive assembly. The fixed gripper block and the movable gripper block are respectively installed at the end of the gripper arm away from the rotating frame. The movable gripper block is located below the fixed gripper block. The drive assembly is installed on the gripper arm and is connected to the movable gripper block, and can drive the movable gripper block to swing towards or away from the fixed gripper block.

[0006] As a preferred embodiment of this utility model, the rear side of the clamping arm is provided with a sliding groove that gradually tilts or bends and extends in the direction close to the rotating frame. A sliding rod is slidably connected in the sliding groove. The sliding rod is fixedly connected to the side of the movable clamping block close to the rotating frame. The driving assembly includes a driving cylinder, a connecting shaft, and a connecting rod. The driving cylinder is installed in the clamping arm. The telescopic shaft of the driving cylinder is arranged along the length direction of the clamping arm. The telescopic shaft of the driving cylinder is connected to the connecting shaft. The connecting shaft is rotatably connected to the connecting rod and the middle part of the movable clamping block, respectively. The connecting rod is rotatably connected to the sliding rod.

[0007] As a preferred embodiment of this utility model, a guide groove is provided on the rear side of the clamping arm, the guide groove is arranged along the length direction of the clamping arm, and the connecting shaft is slidably connected to the guide groove.

[0008] In a preferred embodiment of this utility model, the telescopic shaft of the drive cylinder is rotatably connected to the connecting shaft, and the cylinder body of the drive cylinder is rotatably connected to the clamping arm.

[0009] As a preferred embodiment of this utility model, the rotating frame includes a front plate, a rear plate, and a connecting column. The front plate and the rear plate are arranged opposite to each other, and the connecting column is located between the front plate and the rear plate. The connecting column is fixedly connected to the front plate and the rear plate respectively. The connecting hole passes through the front plate, the connecting column, and the rear plate. A connecting seat is provided at one end of the clamping arm near the rotating frame. The connecting seat extends between the front plate and the rear plate, and the connecting seat is provided with a rotating shaft that is rotatably connected to the front plate and the rear plate respectively.

[0010] As a preferred embodiment of this utility model, limit cylinders are respectively installed on both sides of the rotating frame. The telescopic shaft of the limit cylinder extends between the front plate and the rear plate and is located on the side of the clamping arm close to the rotating frame.

[0011] As a preferred embodiment of the present invention, one end of the cylinder body of the first cylinder and one end of the cylinder body of the second cylinder are respectively located between the front plate and the rear plate, and are rotatably connected to the front plate and the rear plate respectively. The telescopic shaft of the first cylinder is rotatably connected to the top of one of the clamping arms, and the telescopic shaft of the second cylinder is rotatably connected to the bottom of the other clamping arm.

[0012] This utility model provides a winding clamping arm device, which has the following advantages compared with the prior art: The winding clamping arm device is located on the side of the winding machine opposite to the active rotating arm. In use, one end of the central shaft is connected to the active rotating arm, and the other end is connected to the connecting hole. When the active rotating arm rotates, the rotating frame rotates synchronously with the active rotating arm under the drive of the central shaft. The clamping claw mechanism on the clamping arm clamps the end of the air shaft away from the active rotating arm in a corresponding manner, and the clamping arm can rotate with the rotating frame. Therefore, when the air shaft is switched from the production station to the standby station, the clamping claw mechanism can keep clamping the air shaft, thereby supporting the end of the air shaft and preventing the end of the air shaft from being suspended and deformed. When the telescopic shafts of the first cylinder and the second cylinder extend and retract, they can drive the corresponding clamping arm to rotate relative to the rotating frame, thereby adjusting the position of the clamping arm so that the clamping claw mechanism can clamp the air shaft. Attached Figure Description

[0013] Figure 1 This is a structural diagram of the present invention; Figure 2 This is a structural diagram of the present invention from another angle; Figure 3 This is a connection structure diagram of the drive assembly and the slide rod of this utility model; Figure 4 This is an exploded view of the connection structure between the rear side of the clamping arm and the movable clamping block of this utility model. In the figure, there is a rotating frame 1; a connecting hole 11; a front plate 12; a rear plate 13; a connecting column 14; a clamping arm 2; a connecting seat 21; a rotating shaft 22; a limiting cylinder 23; a gripper mechanism 3; a fixed clamping block 31; a movable clamping block 32; a drive assembly 33; a drive cylinder 331; a connecting shaft 332; a connecting rod 333; a sliding groove 34; a sliding rod 35; a guide groove 36; a first cylinder 4; and a second cylinder 5. Detailed Implementation

[0014] The specific embodiments of this utility model will be further described in detail below with reference to the accompanying drawings and examples. The following examples are used to illustrate this utility model, but are not intended to limit the scope of this utility model.

[0015] In the description of this utility model, it should be understood that the terms "center," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicating the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, are used only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0016] like Figure 1-4 As shown, a preferred embodiment of the present invention provides a winding clamping arm 2 device, comprising a rotating frame 1 with a connecting hole 11 in the middle; two clamping arms 2, one located on the left side of the rotating frame 1 and the other on the right side, the side of the clamping arm 2 near the rotating frame 1 being rotatably connected to the side of the rotating frame 1, and the other side of the clamping arm 2 being equipped with an opening and closing gripper mechanism 3; and a drive assembly 33, comprising a first cylinder 4 and a second cylinder 5, the cylinder body of the first cylinder 4 being rotatably connected to the top of the rotating frame 1, and the telescopic shaft of the first cylinder 4 being rotatably connected to one of the clamping arms 2; the cylinder body of the second cylinder 5 being rotatably connected to the bottom of the rotating frame 1, and the telescopic shaft of the second cylinder 5 being rotatably connected to the other clamping arm 2.

[0017] The working principle of this embodiment is as follows: The winding clamp arm 2 is located on the side of the winding machine opposite to the active rotating arm. In use, one end of the central shaft is connected to the active rotating arm, and the other end is connected to the connecting hole 11. When the active rotating arm rotates, the rotating frame 1 rotates synchronously with the active rotating arm under the drive of the central shaft. The gripper mechanism 3 on the clamp arm 2 grips the end of the air shaft away from the active rotating arm in a one-to-one correspondence. The clamp arm 2 can rotate with the rotating frame 1. Therefore, when the air shaft is switched from the production station to the standby station, the gripper mechanism 3 can keep gripping the air shaft, thereby supporting the end of the air shaft and preventing the end of the air shaft from being suspended and deformed. When the telescopic shafts of the first cylinder 4 and the second cylinder 5 extend and retract, they can drive the corresponding clamp arm 2 to rotate relative to the rotating frame 1, thereby adjusting the position of the clamp arm 2 so that the gripper mechanism 3 can grip the air shaft.

[0018] For example, the gripper mechanism 3 includes a fixed gripper block 31, a movable gripper block 32, and a drive assembly 33. The fixed gripper block 31 and the movable gripper block 32 are respectively installed at the end of the gripper arm 2 away from the rotating frame 1. The movable gripper block 32 is located below the fixed gripper block 31. The drive assembly 33 is installed on the gripper arm 2 and is connected to the movable gripper block 32. The drive assembly 33 can drive the movable gripper block 32 to swing towards or away from the fixed gripper block 31. When the movable gripper block 32 swings towards the fixed gripper block 31, the movable gripper block 32 and the fixed gripper block 31 cooperate to clamp the end of the air shaft. When the movable gripper block 32 swings away from the fixed gripper block 31, the movable gripper block 32 and the fixed gripper block 31 release the air shaft, thereby realizing the opening and closing of the gripper mechanism 3.

[0019] For example, the rear side of the clamping arm 2 is provided with a slide groove 34 that gradually tilts or bends and extends in the direction close to the rotating frame 1. A slide rod 35 is slidably connected in the slide groove 34, and the slide rod 35 is fixedly connected to the side of the movable clamping block 32 close to the rotating frame 1. The drive assembly 33 includes a drive cylinder 331, a connecting shaft 332, and a connecting rod 333. The drive cylinder 331 is installed inside the clamping arm 2. The extension shaft of the drive cylinder 331 is arranged along the length direction of the clamping arm 2. The extension shaft of the drive cylinder 331 is connected to the connecting shaft 332. The connecting shaft 332 is rotatably connected to the connecting rod 333 and the middle part of the movable clamping block 32. The connecting rod 333 is rotatably connected to the slide rod 35. When the extension shaft of the drive cylinder 331 extends or retracts, under the action of the connecting shaft 332 and the connecting rod 333, the slide rod 35 can be driven to slide in the slide groove 34, thereby causing the movable clamping block 32 to swing towards the side closer to the rotating frame 1. This allows the movable clamping block 32 away from the rotating frame 1 to swing towards or away from the fixed clamping block 31. It can be understood that when the movable clamping block 32 and the fixed clamping block 333 move together, the movable clamping block 32 moves towards or away from the fixed clamping block 31. When the sliding rod 35 is used to clamp the end of the air shaft, it is at the lower end of the slide groove 34. When the sliding rod 35 slides to the higher end of the slide groove 34, it causes the movable clamping block 32 to swing upward on the side closer to the rotating frame 1. Since the connecting shaft 332 is rotatably connected to the middle of the movable clamping block 32, the side of the movable clamping block 32 away from the rotating frame 1 swings downward, thus gradually moving away from the fixed clamping block 31. It can be understood that when the movable clamping block 32 and the fixed clamping block 31 are used to clamp the end of the air shaft, the sliding rod 35 is at the lower end of the slide groove 34. When the sliding rod 35 slides to the higher end of the slide groove 34, it causes the movable clamping block 32 to swing upward on the side closer to the rotating frame 1. Therefore, the side of the movable clamping block 32 away from the rotating frame 1 swings downward, thus gradually moving away from the fixed clamping block 31.

[0020] For example, a guide groove 36 is provided on the rear side of the clamping arm 2. The guide groove 36 is arranged along the length direction of the clamping arm 2. The connecting shaft 332 is slidably connected to the guide groove 36, thereby ensuring that the connecting shaft 332 slides along the length direction of the clamping arm 2.

[0021] For example, the telescopic shaft of the drive cylinder 331 is rotatably connected to the connecting shaft 332, and the cylinder body of the drive cylinder 331 is rotatably connected to the clamping arm 2 to prevent the drive cylinder 331 from jamming due to installation errors.

[0022] For example, the rotating frame 1 includes a front plate 12, a rear plate 13, and a connecting column 14. The front plate 12 and the rear plate 13 are arranged opposite to each other. The connecting column 14 is located between the front plate 12 and the rear plate 13. The connecting column 14 is fixedly connected to the front plate 12 and the rear plate 13 respectively. The connecting hole 11 passes through the front plate 12, the connecting column 14, and the rear plate 13. The clamping arm 2 is provided with a connecting seat 21 at one end near the rotating frame 1. The connecting seat 21 extends between the front plate 12 and the rear plate 13. The connecting seat 21 is provided with a rotating shaft 22 that is rotatably connected to the front plate 12 and the rear plate 13 respectively, so as to realize the rotational connection between the clamping arm 2 and the rotating frame 1.

[0023] For example, limit cylinders 23 are installed on both sides of the rotating frame 1. The telescopic shaft of the limit cylinder 23 extends between the front plate 12 and the rear plate 13 and is located on the side of the clamping arm 2 close to the rotating frame 1. The clamping arm 2 can rotate relative to the rotating frame 1 until it abuts against the telescopic shaft of the limit cylinder 23. That is, the telescopic shaft of the limit cylinder 23 can limit the rotation of the clamping arm 2.

[0024] For example, one end of the cylinder body of the first cylinder 4 and one end of the cylinder body of the second cylinder 5 are respectively located between the front plate 12 and the rear plate 13, and are rotatably connected to the front plate 12 and the rear plate 13 respectively. It can be understood that the cylinder body of the first cylinder 4 is located at the bottom between the front plate 12 and the rear plate 13, and the cylinder body of the second cylinder 5 is located at the top between the front plate 12 and the rear plate 13, so that the first cylinder 4 and the second cylinder 5 are rotatably connected to the rotating frame 1 respectively. The telescopic shaft of the first cylinder 4 is rotatably connected to the top of one of the clamping arms 2, and the telescopic shaft of the second cylinder 5 is rotatably connected to the bottom of the other clamping arm 2, so that the first cylinder 4 and the second cylinder 5 are rotatably connected to the clamping arm 2 respectively.

[0025] The above description is only a preferred embodiment of the present utility model. It should be noted that for those skilled in the art, several improvements and substitutions can be made without departing from the technical principles of the present utility model, and these improvements and substitutions should also be considered within the protection scope of the present utility model.

Claims

1. A winding clamping arm device, characterized in that: include: A rotating frame, wherein a connecting hole is provided in the middle of the rotating frame; The clamping arm has two clamping arms, one of which is located on the left side of the rotating frame and the other is located on the right side of the rotating frame. The side of the clamping arm closest to the rotating frame is rotatably connected to the side of the rotating frame, and the other side of the clamping arm is equipped with an opening and closing gripper mechanism. A drive assembly includes a first cylinder and a second cylinder. The cylinder body of the first cylinder is rotatably connected to the top of the rotating frame, and the telescopic shaft of the first cylinder is rotatably connected to one of the clamping arms. The cylinder body of the second cylinder is rotatably connected to the bottom of the rotating frame, and the telescopic shaft of the second cylinder is rotatably connected to the other clamping arm.

2. The winding clamping arm device according to claim 1, characterized in that: The gripper mechanism includes a fixed gripper block, a movable gripper block, and a drive assembly. The fixed gripper block and the movable gripper block are respectively installed at the ends of the gripper arm away from the rotating frame. The movable gripper block is located below the fixed gripper block. The drive assembly is installed on the gripper arm and is connected to the movable gripper block, and can drive the movable gripper block to swing towards or away from the fixed gripper block.

3. The winding clamping arm device according to claim 2, characterized in that: The rear side of the clamping arm is provided with a sliding groove that gradually tilts or bends towards the direction close to the rotating frame. A sliding rod is slidably connected in the sliding groove. The sliding rod is fixedly connected to the side of the movable clamping block near the rotating frame. The driving assembly includes a driving cylinder, a connecting shaft, and a connecting rod. The driving cylinder is installed in the clamping arm. The telescopic shaft of the driving cylinder is arranged along the length direction of the clamping arm. The telescopic shaft of the driving cylinder is connected to the connecting shaft. The connecting shaft is rotatably connected to the connecting rod and the middle of the movable clamping block, respectively. The connecting rod is rotatably connected to the sliding rod.

4. The winding clamping arm device according to claim 3, characterized in that: The rear side of the clamping arm is provided with a guide groove, which is arranged along the length direction of the clamping arm, and the connecting shaft is slidably connected to the guide groove.

5. The winding clamping arm device according to claim 4, characterized in that: The telescopic shaft of the drive cylinder is rotatably connected to the connecting shaft, and the cylinder body of the drive cylinder is rotatably connected to the clamping arm.

6. The winding clamping arm device according to claim 1, characterized in that: The rotating frame includes a front plate, a rear plate, and a connecting column. The front plate and the rear plate are arranged opposite to each other. The connecting column is located between the front plate and the rear plate and is fixedly connected to the front plate and the rear plate respectively. The connecting hole passes through the front plate, the connecting column, and the rear plate. A connecting seat is provided at one end of the clamping arm near the rotating frame. The connecting seat extends between the front plate and the rear plate and is provided with a rotating shaft that is rotatably connected to the front plate and the rear plate respectively.

7. The winding clamping arm device according to claim 6, characterized in that: Limiting cylinders are installed on both sides of the rotating frame. The telescopic shaft of the limiting cylinder extends between the front plate and the rear plate and is located on the side of the clamping arm close to the rotating frame.

8. The winding clamping arm device according to claim 6, characterized in that: One end of the cylinder body of the first cylinder and one end of the cylinder body of the second cylinder are respectively located between the front plate and the rear plate, and are rotatably connected to the front plate and the rear plate respectively. The telescopic shaft of the first cylinder is rotatably connected to the top of one of the clamping arms, and the telescopic shaft of the second cylinder is rotatably connected to the bottom of the other clamping arm.

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