High-speed center clamping shaft unwinding mechanism

Abstract

The utility model provides a high-speed center clamping shaft unwinding mechanism, and relates to the technical field of unwinding mechanisms. Comprising a working plate and a winding shaft, a driving mechanism is arranged on the upper surface of the working plate, a first fixing mechanism is arranged at one end of the driving mechanism, the first fixing mechanism comprises an electric push rod, one end of the electric push rod is fixedly connected with a hydraulic chuck, and the winding shaft is arranged on the surface of the hydraulic chuck. A second fixing mechanism is arranged on the upper surface of the working plate and comprises a second working block fixedly connected to the upper surface of the working plate. According to the high-speed center clamping shaft unwinding mechanism, the first fixing mechanism and the second fixing mechanism are arranged in a matched mode, a hydraulic chuck and an ejector pin clamp a clamping groove and a connecting groove in the two ends of a winding shaft respectively, the rotation and axial movement freedom degree is eliminated, slipping is completely eradicated, and the winding shaft keeps rigid connection during high-speed rotation through the mechanical locking design; the problem of idling caused by insufficient expansion force of a traditional air expansion shaft is avoided, and uniform tension is ensured.

Description

Technical Field

[0001] This application relates to the field of unwinding mechanism technology, specifically a high-speed center clamping shaft unwinding mechanism. Background Technology

[0002] During the unwinding process of a traditional slitting and rewinding machine, if the roll material is not tightly wound in the previous process or if the tension fluctuates during winding, the contact surfaces between the roll material and the reel, and between the roll materials themselves, will slip severely, making it impossible for the roll material to be rewound or slit normally. This is specifically manifested as sudden tension changes during the rewinding process or the roll material spinning freely on the air shaft.

[0003] During the rotation of the roll, when the roll slips between the roll surface or between the roll and the paper tube, the frictional unwinding of the surface unwinding roller or the reverse tension of the center unwinding will fluctuate significantly, causing the roll tension to be unable to be constant during unwinding. In order to solve the above problems, a high-speed center clamping shaft unwinding mechanism is proposed. Utility Model Content

[0004] (a) Technical problems to be solved

[0005] To address the shortcomings of existing technologies, this application provides a high-speed center clamping shaft unwinding mechanism, which solves the problems mentioned in the background section.

[0006] (II) Technical Solution

[0007] To achieve the above objectives, this application provides the following technical solution: a high-speed center clamp unwinding mechanism, comprising a working plate and a take-up shaft, wherein a driving mechanism is provided on the upper surface of the working plate, and a fixing mechanism is provided at one end of the driving mechanism, the fixing mechanism comprising an electric push rod, one end of the electric push rod being fixedly connected to a hydraulic chuck, and the take-up shaft being disposed on the surface of the hydraulic chuck.

[0008] By adopting the above technical solution, the electric push rod can adjust the position of the hydraulic chuck as needed to accurately reach the designated position. The hydraulic chuck uses the hydraulic principle to generate a strong clamping force to firmly clamp one end of the take-up shaft. The adjustability of the electric push rod allows the hydraulic chuck to adapt to take-up shafts of different specifications. The strong clamping force of the hydraulic chuck ensures that the take-up shaft will not wobble or slip during rotation.

[0009] Preferably, the upper surface of the work plate is provided with a fixing mechanism two, the fixing mechanism two includes a work block two fixedly connected to the upper surface of the work plate, a telescopic cylinder is fixedly installed on the surface of the work block two, the output end of the telescopic cylinder is connected to a pneumatic rod, and one end of the pneumatic rod is fixedly connected to a pin.

[0010] By adopting the above technical solution, the telescopic cylinder is installed on the second surface of the working block. The output end of the telescopic cylinder is connected to the pneumatic rod, which pushes the ejector pin to insert it into the connecting groove opened at one end of the take-up shaft.

[0011] Preferably, one end of the take-up shaft is provided with a connecting groove adapted to the ejector pin, and the other end of the take-up shaft is provided with a snap-fit ​​groove adapted to the hydraulic chuck.

[0012] By adopting the above technical solution, the first fixing mechanism works together with the second fixing mechanism to achieve bidirectional fixation of both ends of the winding shaft, which further enhances the stability of the winding shaft and effectively prevents it from axial movement or rotational slippage during unwinding.

[0013] Preferably, the driving mechanism includes a working block one fixedly connected to the surface of the working plate, a drive motor fixedly mounted on the surface of the working block one, a rotating shaft connected to the output end of the drive motor, and an electric push rod fixedly mounted on one end of the rotating shaft.

[0014] By adopting the above technical solution, the working block is fixed on the surface of the working plate, which serves to support the drive motor. The output end of the drive motor is connected to the rotating shaft, which drives the electric push rod and the connected hydraulic chuck and take-up shaft to rotate, providing power for unwinding.

[0015] Preferably, a lifting mechanism is provided below the take-up shaft. The lifting mechanism includes a hydraulic cylinder fixedly mounted on the upper surface of the work plate. One end of the hydraulic cylinder is fixedly connected to a lifting plate, and the lifting plate is adapted to the take-up shaft.

[0016] By adopting the above technical solution, the hydraulic cylinder controls the extension and retraction of the piston rod by the inflow and outflow of hydraulic oil, thereby driving the lifting plate to rise or fall and raising the winding shaft to a suitable height.

[0017] Preferably, the surface of the work plate is provided with a mounting assembly, the mounting assembly including a mounting groove formed on the surface of the work plate, and a mounting hole is formed through the interior of the mounting groove.

[0018] By adopting the above technical solution, the work plate can be firmly installed in the required working position using bolts and other connectors through the mounting groove and mounting hole.

[0019] Preferably, the bottom of the work plate is provided with a bottom pad assembly, the bottom pad assembly including a first bottom pad adhered to the bottom of the work plate, and a second bottom pad adhered to one side of the first bottom pad.

[0020] By adopting the above technical solution, the first and second base pads are made of materials with certain elasticity and shock absorption properties, which can absorb and buffer the vibration generated during the operation.

[0021] (III) Beneficial Effects

[0022] This application provides a high-speed center clamping shaft unwinding mechanism. It has the following beneficial effects:

[0023] This high-speed center clamping shaft unwinding mechanism, through the cooperation of fixing mechanism one and fixing mechanism two, uses a hydraulic chuck and a pin to clamp the locking groove and connecting groove at both ends of the winding shaft, respectively, eliminating the degree of freedom of rotation and axial movement, completely preventing slippage. The mechanical locking design ensures that the winding shaft maintains a rigid connection when rotating at high speed, avoiding the problem of idling caused by insufficient expansion force of traditional air shafts, and ensuring uniform tension. Attached Figure Description

[0024] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention, but do not constitute a limitation thereof. In the drawings:

[0025] Figure 1 This is a three-dimensional structural diagram of the present application;

[0026] Figure 2 This is a schematic diagram of the drive mechanism, fixing mechanism one, and fixing mechanism two of this application;

[0027] Figure 3 This is a structural schematic diagram of the lifting mechanism and mounting components of this application;

[0028] Figure 4 This is a schematic diagram of the structure of the base pad assembly of this application.

[0029] In the picture:

[0030] 1. Working board; 101. Rewind spool;

[0031] 2. Drive mechanism; 201. Working block one; 202. Drive motor;

[0032] 3. Fixing mechanism one; 301. Electric push rod; 302. Hydraulic chuck;

[0033] 4. Lifting mechanism; 401. Hydraulic cylinder; 402. Lifting plate;

[0034] 5. Fixing mechanism two; 501. Working block two; 502. Telescopic cylinder; 503. Ejector pin;

[0035] 6. Mounting components; 601. Mounting slot; 602. Mounting hole;

[0036] 7. Base pad assembly; 701. First base pad; 702. Second base pad. Detailed Implementation

[0037] It should be noted that in the description of the embodiments of this application, the terms "front," "rear," "left," "right," "up," "down," etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this application 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 application. The terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication between two elements. For those skilled in the art, the specific meaning of the above terms in this application can be understood according to the specific circumstances.

[0038] The present application will be further described in detail below with reference to the accompanying drawings and embodiments.

[0039] Reference Figures 1 to 4 This application provides a high-speed center clamp unwinding mechanism, including a working plate 1 and a take-up shaft 101. A driving mechanism 2 is provided on the upper surface of the working plate 1, and a fixing mechanism 3 is provided at one end of the driving mechanism 2. The fixing mechanism 3 includes an electric push rod 301, one end of which is fixedly connected to a hydraulic chuck 302. The take-up shaft 101 is disposed on the surface of the hydraulic chuck 302. The electric push rod 301 can adjust the position of the hydraulic chuck 302 as needed, ensuring it accurately reaches the designated position. The hydraulic chuck 302 utilizes hydraulic principles to generate a powerful clamping force, firmly clamping one end of the take-up shaft 101. The adjustability of the electric push rod 301 allows the hydraulic chuck 302 to adapt to take-up shafts 101 of different specifications. The powerful clamping force of the hydraulic chuck 302 ensures that the take-up shaft 101 will not wobble or slip during rotation.

[0040] Reference Figure 2 In one aspect of this embodiment, a fixing mechanism 2 5 is provided on the upper surface of the working plate 1. The fixing mechanism 2 5 includes a working block 2 501 fixedly connected to the upper surface of the working plate 1. A telescopic cylinder 502 is fixedly installed on the surface of the working block 2 501. A pneumatic rod is connected to the output end of the telescopic cylinder 502. A pin 503 is fixedly connected to one end of the pneumatic rod.

[0041] One end of the take-up shaft 101 has a connecting groove adapted to the ejector pin 503, and the other end of the take-up shaft 101 has a snap-fit ​​groove adapted to the hydraulic chuck 302. The second working block 501 is fixed on the upper surface of the working plate 1. The telescopic cylinder 502 is installed on the surface of the second working block 501. The output end of the telescopic cylinder 502 is connected to a pneumatic rod. The pneumatic rod pushes the ejector pin 503, causing it to insert into the connecting groove at one end of the take-up shaft 101. The second fixing mechanism 5 and the first fixing mechanism 3 work together to achieve bidirectional fixing of both ends of the take-up shaft 101, further enhancing the stability of the take-up shaft 101 and effectively preventing axial movement or rotational slippage during unwinding.

[0042] Reference Figure 2 and Figure 3 In one aspect of this embodiment, the drive mechanism 2 includes a working block 201 fixedly connected to the upper surface of the working plate 1. A drive motor 202 is fixedly mounted on the surface of the working block 201. The output end of the drive motor 202 is connected to a rotating shaft. An electric push rod 301 is fixedly mounted on one end of the rotating shaft.

[0043] A lifting mechanism 4 is provided below the take-up shaft 101. The lifting mechanism 4 includes a hydraulic cylinder 401 fixedly installed on the upper surface of the work plate 1. One end of the hydraulic cylinder 401 is fixedly connected to a lifting plate 402, which is adapted to the take-up shaft 101. The work block 201 is fixed on the upper surface of the work plate 1 and serves to support the drive motor 202. The output end of the drive motor 202 is connected to a rotating shaft, which drives the electric push rod 301 and the connected hydraulic chuck 302 and take-up shaft 101 to rotate, providing power for unwinding. The hydraulic cylinder 401 is fixedly installed on the upper surface of the work plate 1, and the piston rod at one end is fixedly connected to the lifting plate 402. The hydraulic cylinder 401 controls the extension and retraction of the piston rod by the inflow and outflow of hydraulic oil, thereby driving the lifting plate 402 to rise or fall, raising the take-up shaft 101 to a suitable height.

[0044] Reference Figure 3 and Figure 4 In one aspect of this embodiment, a mounting component 6 is provided on the surface of the work plate 1. The mounting component 6 includes a mounting groove 601 formed on the surface of the work plate 1, and a mounting hole 602 is formed through the interior of the mounting groove 601.

[0045] A base pad assembly 7 is provided at the bottom of the work plate 1. The base pad assembly 7 includes a first base pad 701 bonded to the bottom of the work plate 1, and a second base pad 702 bonded to one side of the first base pad 701. The work plate 1 can be securely installed in the required working position using bolts or other fasteners through the mounting groove 601 and mounting hole 602. The first base pad 701 and the second base pad 702 are made of materials with certain elasticity and shock absorption properties, which can absorb and buffer the vibration generated during the working process.

[0046] All electrical devices in this plan are powered by an external power source.

[0047] Working principle: In use, the working plate 1 is installed in the working position using bolts through the mounting slot 601 and mounting hole 602 using the mounting component 6. The first bottom pad 701 and the second bottom pad 702 of the bottom pad component 7 play a shock absorption role. Then, the lifting mechanism 4 is started, and the hydraulic cylinder 401 controls the piston rod to extend and retract, so that the lifting plate 402 rises and the take-up shaft 101 is raised to a suitable height. Then, the electric push rod 301 adjusts the position of the hydraulic chuck 302 to make it accurately positioned. The hydraulic chuck 302 clamps one end of the take-up shaft 101 using the hydraulic principle. At the same time, the telescopic cylinder 502 pushes the pneumatic rod, so that the ejector pin 503 is inserted into the connecting groove at the other end of the take-up shaft 101 to achieve bidirectional fixation. Finally, the drive motor 202 of the drive mechanism 2 drives the rotating shaft to rotate. The rotating shaft drives the electric push rod 301, the hydraulic chuck 302 and the take-up shaft 101 to rotate, thereby realizing the stable unwinding of the roll material.

[0048] Although embodiments of this application have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of this application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A high-speed center clamping shaft unwinding mechanism, comprising a working plate (1) and a take-up shaft (101), characterized in that: The upper surface of the working plate (1) is provided with a driving mechanism (2), and one end of the driving mechanism (2) is provided with a fixing mechanism (3). The fixing mechanism (3) includes an electric push rod (301), and one end of the electric push rod (301) is fixedly connected to a hydraulic chuck (302). The winding shaft (101) is provided on the surface of the hydraulic chuck (302).

2. The high-speed center clamping shaft unwinding mechanism according to claim 1, characterized in that: The upper surface of the working plate (1) is provided with a fixing mechanism two (5). The fixing mechanism two (5) includes a working block two (501) fixedly connected to the upper surface of the working plate (1). A telescopic cylinder (502) is fixedly installed on the surface of the working block two (501). The output end of the telescopic cylinder (502) is connected to a pneumatic rod. One end of the pneumatic rod is fixedly connected to a pin (503).

3. The high-speed center clamping shaft unwinding mechanism according to claim 2, characterized in that: One end of the take-up shaft (101) is provided with a connecting groove adapted to the ejector pin (503), and the other end of the take-up shaft (101) is provided with a snap-fit ​​groove adapted to the hydraulic chuck (302).

4. The high-speed center clamping shaft unwinding mechanism according to claim 1, characterized in that: The drive mechanism (2) includes a working block (201) fixedly connected to the upper surface of the working plate (1). A drive motor (202) is fixedly installed on the surface of the working block (201). The output end of the drive motor (202) is connected to a rotating shaft. The electric push rod (301) is fixedly installed at one end of the rotating shaft.

5. The high-speed center clamping shaft unwinding mechanism according to claim 1, characterized in that: A lifting mechanism (4) is provided below the take-up shaft (101). The lifting mechanism (4) includes a hydraulic cylinder (401) fixedly installed on the upper surface of the work plate (1). One end of the hydraulic cylinder (401) is fixedly connected to a lifting plate (402), which is adapted to the take-up shaft (101).

6. The high-speed center clamping shaft unwinding mechanism according to claim 1, characterized in that: The surface of the work plate (1) is provided with a mounting component (6), the mounting component (6) includes a mounting groove (601) opened on the surface of the work plate (1), and a mounting hole (602) is opened through the interior of the mounting groove (601).

7. The high-speed center clamping shaft unwinding mechanism according to claim 1, characterized in that: The bottom of the work plate (1) is provided with a bottom pad assembly (7), the bottom pad assembly (7) includes a first bottom pad (701) bonded to the bottom of the work plate (1), and a second bottom pad (702) bonded to one side of the first bottom pad (701).

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