Release paper non-stop switching rewinding device and rewinding control method

Abstract

The present invention discloses a non-stop reel-changing device for release paper and a reel-changing control method. The device includes a frame group, a guiding structure, and a moving structure. A first winding roller and a second winding roller are rotatably arranged on the frame group. The guiding structure includes a cantilever frame, a swing arm frame, and a first driving structure. The swing arm frame is installed on the cantilever frame and can rotate around the connection point with the cantilever frame under the drive of the first driving structure. The swing arm frame can be driven by the first driving structure to rotate to any specified position. A paper receiving roller, a cutting knife assembly, and a guiding roller are sequentially installed on the swing arm frame from the axis to both ends. The guiding mechanism is arranged on the moving structure and can move between the first winding roller and the second winding roller under the action of the moving mechanism. The non-stop reel-changing device for release paper of the present invention can automatically splice and wind the release paper, greatly improve the production efficiency, reduce the labor intensity, and ensure the flatness and stability of the operation of the release paper.

Description

Technical Field

[0001] The present invention relates to the technical field of release paper winding equipment, and particularly to a release paper non-stop switching winding device and a winding control method. Background Art

[0002] As is well known, composite materials have the advantages of light weight, high specific strength, high specific stiffness, strong designability, good anti-fatigue fracture performance, corrosion resistance, good dimensional stability, and being convenient for large-area integral forming, etc., and have been widely used in various fields. In the emerging composite material production equipment, a composite machine, a release paper winding device is required. Currently, in the composite machine, the release paper winding mostly adopts a single-station mode. When a roll of release paper is full, it is necessary to stop the machine to change the roll, and then manually paste the release paper on the replaced paper tube again, and then restart the machine to resume production. Its labor intensity is large, seriously affecting the production efficiency.

[0003] The information disclosed in this background art section is only intended to increase the understanding of the overall background of the present invention, and should not be regarded as an admission or any form of suggestion that this information constitutes the prior art already known to those of ordinary skill in the art. Summary of the Invention

[0004] The purpose of the present invention is to provide a release paper non-stop switching winding device, which can automatically switch the winding of the release paper between two winding rollers without stopping the machine by setting a moving structure and a guiding structure, greatly improving the production efficiency, reducing the labor intensity, and ensuring the flatness and stability of the running of the release paper.

[0005] To achieve the above purpose, an embodiment of the present invention provides a release paper non-stop switching winding device, including a frame group, a guiding structure, and a moving structure.

[0006] A rotatably arranged first winding roller and a second winding roller are configured on the frame group.

[0007] The guiding structure includes a cantilever frame, a swing arm frame, and a first driving structure. The swing arm frame is installed on the cantilever frame and can rotate around the connection point with the cantilever frame under the drive of the first driving structure. The first driving structure can drive the swing arm frame to rotate to any specified position. A paper receiving roller, a cutting knife assembly, and a guiding roller are sequentially installed on the swing arm frame from the axis towards both ends.

[0008] The guiding mechanism is installed on the moving structure and can move between the first winding roller and the second winding roller under the action of the moving mechanism, assisting the swing arm frame to approach the first winding roller or the second winding roller, so as to cooperate with the first driving structure to drive the paper receiving roller on the swing arm frame to be tangent to the first winding roller or the second winding roller.

[0009] In one or more embodiments of the present invention, the surfaces of the first winding roller and the second winding roller are coated with circumferential double-sided adhesive.

[0010] In one or more embodiments of the present invention, the moving structure includes a first guide rail and a second driving structure. The cantilever frame is arranged on the first guide rail and moves along the first guide rail under the action of the second driving structure to switch to be close to the first winding roller or the second winding roller.

[0011] In one or more embodiments of the present invention, the first guide rail is installed above the frame group and extends along the arrangement direction of the first winding roller and the second winding roller.

[0012] In one or more embodiments of the present invention, the cutting knife assembly includes a cutting knife and a third driving structure. The cutting knife can protrude from the tangent plane on the same side as the paper receiving roller and the guiding roller under the action of the third driving structure to cut the release paper located on the paper receiving roller and the guiding roller.

[0013] In one or more embodiments of the present invention, the frame group includes two frames, each frame is independently arranged, and the first winding roller and the second winding roller are respectively arranged on the two frames.

[0014] In one or more embodiments of the present invention, a ground rail is installed at the bottom of each frame, and the frame can move along the ground rail.

[0015] In one or more embodiments of the present invention, fourth driving structures are respectively connected to the first winding roller and the second winding roller, and the first winding roller and the second winding roller can rotate independently under the action of the fourth driving structures.

[0016] In one embodiment, the present invention also provides a method for controlling the non-stop switching of the winding of the release paper. Using the above-mentioned non-stop switching winding device for the release paper, the non-stop switching winding device for the release paper is configured with a sensing mechanism. The control method includes:

[0017] In response to detecting that the paper on the first winding roller is wound to the corresponding number of meters, control the cantilever frame to move to a specified position towards the second winding roller, and control the swing arm frame to rotate in the first direction, so that the paper receiving roller on the swing arm frame is close to and pressed against the second winding roller;

[0018] In response to sensing that the paper receiving roller is pressed against the second winding roller, control the cutting knife to start, cut the release paper located between the paper receiving roller and the guiding roller, and at the same time control the second winding roller to rotate to wind the release paper. Wherein, circumferential double-sided adhesives are pre-pasted on the surfaces of the first winding roller and the second winding roller;

[0019] In response to the second winding roller meeting the preset conditions, control the cantilever frame to reset and control the swing arm frame to rotate a certain angle in the second direction and then remain in a stopped state. The second direction is the opposite direction of the first direction.

[0020] In one or more embodiments of the present invention, the second winding roller meeting the preset conditions includes:

[0021] After the second winding roller winds one circle in the second direction, it is controlled to reverse and wind in the first direction; and / or,

[0022] Sensing that the release paper is wound on the second winding roller; and / or

[0023] The second winding roller rotates several circles or for a certain period of time.

[0024] In one or more embodiments of the present invention, the angle by which the swing arm frame rotates in the second direction is greater than 180 degrees.

[0025] Compared with the prior art, the release paper non-stop switching winding device according to the embodiments of the present invention can, by arranging two winding rollers, a moving structure and a guiding structure, control the guiding structure to automatically switch and wind the release paper between the two winding rollers without stopping the machine, greatly improving the production efficiency, reducing the labor intensity, and ensuring the flatness and stability of the running of the release paper.

[0026] The release paper non-stop switching winding device according to the embodiments of the present invention realizes the alternate unwinding of two groups of release paper through the double-station winding method (two winding rollers), utilizes the switching of the cantilever frame and the rotation of the swing arm frame, and can automatically splice and change the roll under the conditions of non-stop and non-deceleration of the equipment.

[0027] The release paper non-stop switching winding device according to the embodiments of the present invention can, by arranging a ground rail, alternately pull the rack to an open position and then take out and replace the full-roll paper on the winding roller.

[0028] The unwind paper non-stop switching rewinding device of the embodiment of the present invention is applicable to the situation where the equipment space is low, the collected material is heavy, and the material needs to be moved out to an open position for unloading. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 FIG. 6 is a schematic structural diagram of the working state of the first winding roller of the unwind paper non-stop switching rewinding device according to an embodiment of the present invention.

[0030] Figure 2 FIG. 10 is a schematic structural diagram of the paper receiving state of the second winding roller of the unwind paper non-stop switching rewinding device according to an embodiment of the present invention.

[0031] Figure 3 FIG. 14 is a schematic structural diagram of the working state of the second winding roller of the unwind paper non-stop switching rewinding device according to an embodiment of the present invention.

[0032] Figure 4 FIG. 18 is a schematic structural diagram of the paper receiving state of the first winding roller of the unwind paper non-stop switching rewinding device according to an embodiment of the present invention. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0033] The following will describe in detail the specific embodiments of the present invention with reference to the accompanying drawings. It should be understood that the protection scope of the present invention is not limited by the specific embodiments.

[0034] Unless otherwise clearly stated, in the entire specification and claims, the term "comprising" or its variations such as "comprises" or "including" etc. will be understood to include the stated elements or components, without excluding other elements or other components.

[0035] As Figures 1 to 2 shown, an embodiment of the present invention provides an unwind paper non-stop switching rewinding device, which includes a frame group 10, a moving structure 20, and a guiding structure 30. The guiding structure 30 is disposed on the moving structure 20 and can move back and forth above the frame group 10 under the action of the moving structure 20.

[0036] The frame group 10 includes two independently arranged frames 11. On the ground at the bottom of each frame 11, a ground rail 12 is fixedly arranged. The frame 11 is movably installed on the ground rail 12 and can move along the ground rail 12 under the action of an external force. A rotatably arranged winding roller 13 is mounted on the frame 11 for carrying the wound paper. In this embodiment, for the convenience of distinction, the winding rollers on the two frames 11 are respectively defined as a first winding roller 13a and a second winding roller 13b. The first winding roller 13a and the second winding roller 13b are arranged in parallel. A corresponding servo motor (fourth driving structure) is arranged on each winding roller 13, and the winding roller 13 can be driven by the servo motor to rotate forward or backward to wind the release paper.

[0037] The moving structure 20 includes a first guide rail 21 and a servo motor (second driving structure). The first guide rail 21 is installed above the frame group 10 and extends along the arrangement direction of the first winding roller 13a and the second winding roller 13b. There may be two first guide rails 21, and the two first guide rails 21 are arranged in parallel. The servo motor is arranged on the first guide rail 21 and can act on the guiding structure 30 installed on the first guide rail 21 to drive it to move or stop along the first guide rail 21.

[0038] The guiding structure 30 includes a cantilever frame 31, a swing arm frame 32 and a servo motor (first driving structure).

[0039] In a specific embodiment, the number of both the cantilever frame 31 and the swing arm frame 32 is two. One ends of the two cantilever frames 31 are respectively installed on the two first guide rails 21 and connected to the servo motor (second driving structure), and move along the first guide rail 21 under the action of the servo motor (second driving structure) to switch to be close to the first winding roller 13a or the second winding roller 13b. The middle parts of the swing arm frames 32 are respectively pivotally connected to the other ends of the cantilever frames 31. The two swing arm frames 32 are symmetrically arranged, and an installation space is formed between the two swing arm frames 32. The servo motor (first driving structure) acts on the swing arm frame 32, and the swing arm frame 32 rotates around the connection point with the cantilever frame 31 under the drive of the servo motor (first driving structure), and the servo motor (first driving structure) can drive the swing arm frame 32 to rotate to any specified position.

[0040] Paper receiving rollers 33a / b, cutting knife assemblies 34a / b and guide rollers 35a / b are sequentially installed on the two swing arm frames 32 from the axis to both ends. The paper receiving rollers 33a / b and the guide rollers 35a / b are both rotatably arranged. The cutting knife assemblies 34a / b include cutting knives and a third driving structure. Under the action of the third driving structure, the cutting knives can protrude from the cutting surfaces on the same side of the paper receiving rollers 33a / b and the guide rollers 35a / b to cut the release paper located on the paper receiving rollers 33a / b and the guide rollers 35a / b.

[0041] The cantilever frame 31 moves between the first winding roller 13a and the second winding roller 13b under the drive of the servo motor (second driving structure) to assist the swing arm frame 32 to approach the first winding roller 13a or the second winding roller 13b. After the swing arm frame 32 approaches the winding roller 13, the servo motor (first driving structure) is started to drive the swing arm frame 32 to rotate, so that the paper receiving rollers 33a / b thereon are tangent to the first winding roller 13a or the second winding roller 13b, and the release paper is guided to the first winding roller 13a or the second winding roller 13b for winding.

[0042] Reference Figures 1 to 4As shown, the present invention also provides a control method for non-stop switching of the take-up of release paper. Using the above-mentioned non-stop switching take-up device for release paper, an induction mechanism is configured on the non-stop switching take-up device for release paper. The control method includes:

[0043] In response to detecting that the paper wound on the first take-up roller 13a reaches the corresponding number of meters, control the cantilever frame 31 to move to a specified position towards the second take-up roller 13b, and control the swing arm frame 32 to rotate in the first direction, so that the paper receiving roller 33b on the swing arm frame 32 is close to and pressed against the second take-up roller 13b.

[0044] Wherein, the specified position is defined as the position where the cantilever frame 31 is located when the distance between the axis of the swing arm frame 32 and the axis of the paper receiving roller 33b is equal to the distance between the axis of the swing arm frame 32 and the axis of the second take-up roller 13b.

[0045] During the specific implementation process, when the first take-up roller 13a winds up to the specified number of meters, the non-stop switching take-up device for release paper is switched from the working state of the first take-up roller 13a ( Figure 1 as shown) to the paper receiving state of the second take-up roller 13b ( Figure 2 as shown).

[0046] During the process of switching to the paper receiving state of the second take-up roller 13b, the cantilever frame 31 reaches the specified position under the drive of the servo motor ( Figure 2 as shown). After the cantilever frame 31 reaches the specified position, the swing arm frame 32 starts to rotate. Under the drive of the servo motor, the paper receiving roller 33b is pressed against the second take-up roller 13b (at this time, the release paper is guided by the guide roller 35b as Figure 2 shown).

[0047] In response to sensing that the paper receiving roller 33b is pressed against the second take-up roller 13b, control the cutting knife 34b to start, cut off the release paper between the paper receiving roller 33b and the guide roller 35b, and at the same time control the second take-up roller 13b to rotate to wind up the release paper. Among them, circumferential double-sided adhesives are pre-pasted on the surfaces of the first take-up roller 13a and the second take-up roller 13b.

[0048] In response to the second take-up roller 13b meeting the preset conditions, control the cantilever frame 31 to reset and control the swing arm frame 32 to rotate a certain angle in the second direction and then remain in a stopped state. The angle by which the swing arm frame 32 rotates in the second direction is greater than 180 degrees. The second direction is the opposite direction of the first direction.

[0049] In a specific embodiment, the first direction is the counterclockwise direction and the second direction is the clockwise direction.

[0050] Among them, the second rewinding roller 13b meets the preset conditions, including: after the second rewinding roller 13b rewinds one circle along the second direction, it is controlled to reverse and rewind along the first direction; and / or, the release paper is sensed to be rewound on the second rewinding roller 13b; and / or, the second rewinding roller 13b rotates several circles or for a certain period of time.

[0051] In the specific implementation process, after the paper receiving roller 33b and the second rewinding roller 13b are pressed together, the cutting knife 34b quickly pops out to cut the release paper. After the release paper is cut, the second rewinding roller 13b quickly rotates clockwise under the drive of the servo motor to firmly paste the end of the release paper to the second rewinding roller 13b with a circumferential double-sided adhesive pre-pasted. After the release paper is firmly pasted to the second rewinding roller 13b, the second rewinding roller 13b rotates counterclockwise under the drive of the servo motor to start the rewinding mode. When the release paper is curled several circles (3 circles, 5 circles) or for a certain period of time (5s, 10s) on the second rewinding roller 13b, the cantilever frame 31 reaches the working state of the second rewinding roller 13b under the drive of the servo motor ( Figure 3 as shown), and the swing arm frame 32 also enters the working state of the second rewinding roller 13b under the drive of the servo motor ( Figure 3 as shown).

[0052] Similarly, when it is sensed that the second rewinding roller 13b has rewound to the specified meterage, the release paper non-stop switching rewinding device switches from the working state of the second rewinding roller 13b ( Figure 3 as shown) to the paper receiving state of the first rewinding roller 13a ( Figure 4 as shown). The rewinding process of the first rewinding roller 13a receiving paper is the same as that of the second rewinding roller 13b receiving paper.

[0053] When the paper receiving and rewinding work of the first rewinding roller 13a is completed and the cantilever frame 312 and the swing arm frame 32 enter the working state of the second rewinding roller 13b, the rack 11 to which the first rewinding roller 13a belongs can be pulled out outward through the ground rail 12 to leave below the first guide rail 21. At this time, the first rewinding roller 13a can be unloaded by a forklift rear crane. Similarly, when the paper receiving and rewinding work of the second rewinding roller 13b is completed, the above operations can be performed on the rack 11 to which the second rewinding roller 13b belongs.

[0054] Compared with the prior art, the release paper non-stop switching rewinding device of the embodiment of the present invention can, by arranging two rewinding rollers, a moving structure and a guiding structure, control the guiding structure to automatically switch the rewinding of the release paper between the two rewinding rollers without stopping the machine, greatly improving the production efficiency, reducing the labor intensity, and ensuring the flatness and stability of the release paper operation.

[0055] The unwind and rewind device for release paper in the embodiment of the present invention realizes the alternate unwinding of two groups of release paper through the double-station rewinding method (two rewinding rollers), utilizes the switching station of the cantilever frame, the rotation of the swing arm frame, and the storage of release paper by the floating roller, and can automatically splice paper and change the roll under the conditions of non-stop operation and non-speed reduction of the equipment.

[0056] The unwind and rewind device for release paper in the embodiment of the present invention can alternately drag the frame out to an open position through the set ground rail, and then take out and replace the full-roll paper on the rewinding roller.

[0057] The unwind and rewind device for release paper in the embodiment of the present invention is applicable to the situation where the equipment space is low, the collected materials are heavy, and the materials need to be moved out to an open position for unloading.

[0058] The foregoing description of specific exemplary embodiments of the present invention is for purposes of illustration and exemplification. These descriptions are not intended to limit the invention to the precise forms disclosed, and obviously, many changes and variations are possible in light of the above teachings. The purpose of selecting and describing the exemplary embodiments is to explain the specific principles of the invention and its practical applications, so that those skilled in the art can implement and utilize the various different exemplary embodiments of the invention, as well as various different selections and changes. The scope of the present invention is intended to be defined by the claims and their equivalents.

Claims

1. A method for controlling the rewinding of release paper without stopping the machine, characterized in that, Including a non-stop switching rewinding device for release paper, the non-stop switching rewinding device for release paper includes: A frame group, on which a rotatably arranged first rewinding roller and a second rewinding roller are configured; A guiding structure, the guiding structure includes a cantilever frame, a swing arm frame and a first driving structure. The swing arm frame is installed on the cantilever frame and can rotate around the connection with the cantilever frame under the drive of the first driving structure. The first driving structure can drive the swing arm frame to rotate to any specified position. On the swing arm frame, a paper receiving roller, a cutting knife assembly and a guiding roller are successively installed from the axis to both ends. An empty area is formed between the two paper receiving rollers on the swing arm frame, and the release paper passes through the empty area; And A moving structure, the guiding structure is arranged on the moving structure and can move between the first rewinding roller and the second rewinding roller under the action of the moving structure, assisting the swing arm frame to approach the first rewinding roller or the second rewinding roller, so as to cooperate with the first driving structure to enable it to drive the paper receiving roller on the swing arm frame to be tangent to the first rewinding roller or the second rewinding roller; The moving structure includes a first guide rail and a second driving structure. The cantilever frame is arranged on the first guide rail and moves along the first guide rail under the action of the second driving structure to switch to be close to the first rewinding roller or the second rewinding roller; The middle part of the swing arm frame is axially connected to the other end of the cantilever frame. Two swing arm frames are symmetrically arranged, and an installation space is formed between the two swing arm frames; Among them, the non-stop switching rewinding control method for release paper is as follows: In response to detecting that the paper on the first rewinding roller is rewound to the corresponding meter number, control the cantilever frame to move to a specified position towards the second rewinding roller, and control the swing arm frame to rotate in the first direction, so that the paper receiving roller on the swing arm frame is close to and pressed against the second rewinding roller; Specified position: The position where the cantilever frame is located when the distance between the axis of the swing arm frame and the axis of the paper receiving roller b is equal to the distance between the axis of the swing arm frame and the axis of the second rewinding roller b; In response to sensing that the paper receiving roller is pressed against the second rewinding roller, control the cutting knife to start, cut the release paper between the paper receiving roller and the guiding roller, and at the same time control the second rewinding roller to rotate to rewind the release paper. Among them, circumferential double-sided adhesives are pre-pasted on the surfaces of the first rewinding roller and the second rewinding roller; In response to the second rewinding roller meeting the preset conditions, control the cantilever frame to reset and control the swing arm frame to rotate a certain angle in the second direction and then remain in a stopped state. The second direction is the opposite direction of the first direction; The second rewinding roller meeting the preset conditions includes: After the second rewinding roller rewinds one circle in the second direction, it is controlled to reverse and rewind in the first direction, and / or, Sensing that the release paper is rewound on the second rewinding roller; and / or The second rewinding roller rotates several circles or for a certain period of time.

2. The release paper non-stop switching winding control method according to claim 1, characterized in that, The first guide rail is arranged above the frame group and extends along the arrangement direction of the first rewinding roller and the second rewinding roller.

3. The non-stop switching rewinding control method for the release paper according to claim 1, characterized in that, The cutting tool assembly includes a cutting tool and a third driving structure. Under the action of the third driving structure, the cutting tool can protrude from the same-side cutting surface of the paper receiving roller and the guiding roller to cut the release paper located on the paper receiving roller and the guiding roller.

4. The off-line paper non-stop switching reeling control method according to claim 1, characterized in that The frame group includes two frames, each of which is independently arranged, and the first winding roller and the second winding roller are respectively arranged on the two frames.

5. The off-line paper non-stop switching winding control method according to claim 4, characterized in that A ground rail is installed at the bottom of each frame, and the frame can move along the ground rail.

6. The release paper non-stop switching winding control method according to claim 1, characterized in that, Fourth driving structures are respectively connected to the first winding roller and the second winding roller. Under the action of the fourth driving structure, the first winding roller and the second winding roller can rotate by themselves.

7. The release paper non-stop switching winding control method according to claim 6, characterized in that, The swing arm frame rotates at an angle greater than 180 degrees along the second direction.

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