Paper roll centering device

Abstract

This application provides a paper roll alignment device, including a base, a paper holder base, a paper holder, and at least two alignment actuators. The paper holder base is mounted on the base; the paper holder is slidably connected to the paper holder base; each alignment actuator is arranged on both sides of the paper holder along the sliding direction of the paper holder, and each alignment actuator can move closer to or further away from each other along the sliding direction of the paper holder. When the alignment actuators align the paper roll, the paper holder is slidably connected to the paper holder base, and the friction between the paper holder and the paper roll is much greater than the friction between the paper holder and the paper holder base. Therefore, no relative movement occurs between the paper holder and the paper roll. The paper roll is moved to the alignment position by the movement of the paper holder relative to the paper holder base. Compared with existing paper roll alignment devices, the paper roll alignment device of this application does not cause wear between the paper holder and the paper roll, effectively protecting the safety of the paper roll, thereby improving the paper roll alignment speed and efficiency.

Description

Technical Field

[0001] This application belongs to the field of transportation equipment technology, and more specifically, relates to a paper roll centering device. Background Technology

[0002] When packaging paper rolls, a layer of kraft paper or protective film needs to be wrapped around the outside of the roll for protection. To achieve better packaging results and prevent incomplete packaging due to significant misalignment between the paper roll and the kraft paper, the paper roll needs to be aligned. Specifically, this is done by moving the paper roll to align its axial length with the width of the kraft paper or protective film, ensuring that the paper roll is fully wrapped by the kraft paper or protective film.

[0003] In existing paper roll alignment devices, alignment is achieved by moving the paper roll on rollers. Because of the relative movement between the paper roll and the rollers, the rollers easily cause wear on the paper roll. To reduce wear, the alignment speed needs to be slowed down, resulting in low alignment efficiency and inconvenient alignment operation. Summary of the Invention

[0004] The purpose of this application is to provide a paper roll alignment device to solve the technical problems of inconvenient paper roll alignment and easy paper damage during the alignment process in the prior art.

[0005] To achieve the above objectives, the technical solution adopted in this application is as follows:

[0006] A paper roll centering device is provided, comprising:

[0007] Base;

[0008] A paper holder base is installed on the base;

[0009] A paper holder is slidably connected to the paper holder base;

[0010] At least two centering actuators are provided, each of which is arranged on both sides of the paper holder along the sliding direction of the paper holder, and each of the centering actuators can move closer to or further away from each other along the sliding direction of the paper holder.

[0011] As a further improvement to the above technical solution:

[0012] Optionally, it also includes a reset actuator installed on the paper holder, the reset actuator being connected to the paper holder and capable of moving the paper holder to a predetermined position.

[0013] Optionally, the reset actuator is driven to connect with the centering actuator.

[0014] Optionally, the number of reset actuators is at least 2, and each reset actuator is arranged on both sides of the paper holder along the sliding direction of the paper holder.

[0015] Optionally, the centering actuator can move the reset actuator to a predetermined position after approaching and contacting the reset actuator in a predetermined direction.

[0016] Optionally, the reset actuator is a pull rod, the pull rod includes a first abutment, and the centering actuator is provided with a second abutment. The second abutment can move the pull rod to a predetermined position after approaching and contacting the first abutment in a predetermined direction.

[0017] Optionally, the paper holder base is rotatably mounted on the base.

[0018] Optionally, it also includes a rotating shaft and a rotation drive device, wherein the rotating shaft is mounted on the paper holder base or the base, and the rotation drive device is drivenly connected to the paper holder base.

[0019] Optionally, the paper holder base is provided with a slide rail arranged along the sliding direction of the paper holder, and the paper holder is slidably connected to the slide rail.

[0020] Optionally, the paper holder includes a first inclined panel and a second inclined panel, which are arranged in a V-shape in a plane perpendicular to the sliding direction of the paper holder.

[0021] The advantages of the paper roll centering device provided in this application are as follows:

[0022] This application provides a paper roll centering device, including a base, a paper support frame base, a paper support frame, and at least two centering actuators. The paper support frame base is mounted on the base; the paper support frame is slidably connected to the paper support frame base; each centering actuator is arranged on both sides of the paper support frame along the sliding direction of the paper support frame, and each centering actuator can move closer to or further away from each other along the sliding direction of the paper support frame. The paper support frame carries the paper roll, which rolls onto the paper support frame from the feeding end or the previous station. The centering actuators are arranged on both sides of the paper support frame along the sliding direction of the paper support frame, i.e., the centering actuators are distributed at both ends of the paper roll. When the centering actuators move closer to each other along the sliding direction of the paper support frame, they clamp the paper roll and move it to the centering position. When the centering actuators move further away from each other along the sliding direction of the paper support frame, they release the paper roll, facilitating its transfer to the packaging station or the next station. When the centering actuator centers the paper roll, the friction between the paper support frame and the paper roll is much greater than the friction between the paper support frame and the paper support frame base because the paper support frame is slidably connected to the paper support frame base. Therefore, there is no relative movement between the paper support frame and the paper roll. The paper roll is moved to the centering position by the movement of the paper support frame relative to the paper support frame base.

[0023] Compared to existing paper roll alignment devices, the paper roll alignment device of this application does not cause wear between the paper holder and the paper roll, effectively protecting the safety of the paper roll, and thus can improve the alignment speed and efficiency of the paper roll. Attached Figure Description

[0024] To more clearly illustrate the technical solutions in the embodiments of this application, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0025] Figure 1 A schematic diagram of the main structure of the paper roll alignment device provided in this application;

[0026] Figure 2 A top view of the paper roll centering device provided in this application;

[0027] Figure 3 A three-dimensional structural schematic diagram of the paper roll centering device provided in this application;

[0028] Figure 4 A partially enlarged structural diagram of the paper roll centering device provided in this application. Figure 1 ;

[0029] Figure 5 A partially enlarged structural diagram of the paper roll centering device provided in this application. Figure 2 ;

[0030] Figure 6 A partially enlarged structural diagram of the paper roll centering device provided in this application. Figure 3 ;

[0031] Figure 7 A partially enlarged structural diagram of the paper roll centering device provided in this application. Figure 4 ;

[0032] Figure 8 A partially enlarged structural diagram of the paper roll centering device provided in this application. Figure 5 .

[0033] The following are the labeling elements in the figure:

[0034] 1. Base; 2. Paper holder base;

[0035] 3. Paper holder; 31. First slanted panel;

[0036] 32. Second inclined panel; 4. Centering actuator;

[0037] 41. Second blocking part; 5. Reset actuator;

[0038] 51. First blocking part; 6. Rotating shaft;

[0039] 7. Rotary drive device; 71. Rotary drive component;

[0040] 72. First link; 73. Second link;

[0041] 8. Slide rail. Detailed Implementation

[0042] To make the technical problems, technical solutions, and beneficial effects to be solved by this application clearer, the following detailed description is provided in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative and are not intended to limit the scope of this application.

[0043] It should be noted that when a component is referred to as being "fixed to" or "set on" another component, it can be directly on or indirectly on that other component. When a component is referred to as being "connected to" another component, it can be directly connected to or indirectly connected to that other component.

[0044] It should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They 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. Therefore, they should not be construed as limitations on this application.

[0045] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this application, "multiple" means two or more, unless otherwise explicitly specified.

[0046] like Figure 1 and Figure 2 As shown, this application provides a paper roll alignment device, including a base 1, a paper holder base 2, a paper holder 3, and at least two alignment actuators 4. The paper holder base 2 is mounted on the base 1, and the paper holder 3 is slidably connected to the paper holder base 2. Each alignment actuator 4 is arranged on both sides of the paper holder 3 along the sliding direction of the paper holder 3, and each alignment actuator 4 can move closer to or further away from each other along the sliding direction of the paper holder 3.

[0047] The paper support frame 3 carries the paper roll, which rolls onto it from the feed end or the previous station. Centering actuators 4 are arranged on both sides of the paper support frame 3 along its sliding direction, i.e., at both ends of the paper roll. When the centering actuators 4 move closer together along the sliding direction of the paper support frame 3, they clamp the paper roll and move it to the centering position. When the centering actuators 4 move further apart along the sliding direction of the paper support frame 3, they release the paper roll, facilitating its transfer to the packaging station or the next station. When the centering actuators 4 center the paper roll, because the paper support frame 3 is slidably connected to the paper support frame base 2, the friction between the paper support frame 3 and the paper roll is much greater than the friction between the paper support frame 3 and the paper support frame base 2. Therefore, there is no relative movement between the paper support frame 3 and the paper roll. The paper roll is moved to the centering position by the movement of the paper support frame 3 relative to the paper support frame base 2.

[0048] Compared to existing paper roll alignment devices, the paper roll alignment device of this application does not cause wear between the paper holder 3 and the paper roll, effectively protecting the safety of the paper roll, and thus can improve the alignment speed and efficiency of the paper roll.

[0049] like Figure 8 As shown, in one embodiment, the centering actuator 4 includes a frame-type stop, a timing belt, and a geared motor. The frame-type stop is connected to the timing belt via a clamp, and the geared motor drives the timing belt to rotate, thereby moving the frame-type stop. Specifically, one side of the frame-type stop is connected to the upper edge of the timing belt, and the other side is connected to the lower edge of the timing belt. When the timing belt rotates clockwise, the frame-type stops on both sides move closer to each other synchronously; when the timing belt rotates counterclockwise, the frame-type stops on both sides move further away from each other synchronously.

[0050] like Figures 3 to 6 As shown, in one embodiment, the paper holder base 2 is provided with a slide rail 8 arranged along the sliding direction of the paper holder 3, and the paper holder 3 is slidably connected to the slide rail 8.

[0051] The paper holder 3 slides on the paper holder base 2 via the slide rail 8, which helps to reduce the resistance of the paper holder 3 moving on the paper holder base 2. When the centering actuator 4 drives the paper roll centering bottom action, the paper roll and the paper holder 3 do not move relative to each other. The paper roll is moved to the centering position by the relative sliding of the paper holder 3 and the paper holder base 2.

[0052] like Figure 3 and Figure 4 As shown, in one embodiment, the paper holder 3 includes a first inclined panel 31 and a second inclined panel 32, which are arranged in a V-shape in a plane perpendicular to the sliding direction of the paper holder 3.

[0053] The V-shaped arrangement of the first inclined plate 31 and the second inclined plate 32 stabilizes the paper roll on the paper support 3, preventing it from rolling during alignment. Compared to existing roller-type paper support 3, the paper support 3 of this application has a larger contact area with the paper roll, thereby reducing the pressure on the paper roll, resulting in smaller indentations and effectively protecting the paper roll from damage. Furthermore, compared to rollers, the first inclined plate 31 and the second inclined plate 32 have lower manufacturing costs, are easier to manufacture, and can bear greater weight.

[0054] like Figure 4 and Figure 5 As shown, in one embodiment, a reset actuator 5 is also included, which is installed on the paper holder 3. The reset actuator 5 is connected to the paper holder 3 and can drive the paper holder 3 to move to a predetermined position.

[0055] After the paper roll alignment device completes one paper roll alignment operation and sends the paper roll out of the alignment device, the paper holder 3 will remain on the paper holder base 2. After multiple alignment operations, the paper holder 3 will accumulate offset distance, causing it to shift to the edge of the paper holder base 2 and potentially detach from it. Therefore, by resetting the actuator 5, after each paper roll alignment and sending out, the paper holder 3 is moved to a predetermined position (e.g., the initial position or the alignment position) to prevent the paper holder 3 from accumulating offset distance, avoid moving towards the edge of the paper holder base 2, and prevent it from detaching from the paper holder base 2.

[0056] In one embodiment, the reset actuator 5 is driven to connect with the centering actuator 4.

[0057] The centering actuator 4 drives the reset actuator 5 to move, thereby resetting the paper holder 3.

[0058] In other embodiments, other driving components may be provided to drive the reset actuator 5, thereby causing the paper holder 3 to reset.

[0059] In one embodiment, the number of reset actuators 5 is at least 2, and each reset actuator 5 is arranged on both sides of the paper holder 3 along the sliding direction of the paper holder 3, so that the reset actuators 5 can drive the paper holder 3 to move in the forward and reverse directions along the sliding direction.

[0060] like Figure 4 As shown, in one embodiment, the centering actuator 4 can move the reset actuator 5 to a predetermined position after approaching and contacting the reset actuator 5 in a predetermined direction.

[0061] The predetermined direction can be the sliding direction of the paper holder 3. When the centering actuators 4 move away from each other, the centering actuators 4 can approach and contact the reset actuators 5, thereby driving the reset actuators 5 to move to the predetermined position; when the centering actuators 4 approach each other, the centering actuators 4 and the reset actuators 5 separate, and the reset actuators 5 remain in place.

[0062] like Figure 4 As shown, in one embodiment, the reset actuator 5 is a pull rod, which includes a first abutment 51 and a second abutment 41 provided on the centering actuator 4. The second abutment 41 can move the pull rod to a predetermined position after approaching and contacting the first abutment 51 in a predetermined direction.

[0063] Specifically, the first abutment 51 extends and bends upward, while the second abutment 41 is positioned downward. The first abutment 51 and the second abutment 41 can be hooked together, thereby driving the first abutment 51 to move through the second abutment 41.

[0064] like Figure 5 and Figure 6 As shown, in one embodiment, the paper holder base 2 is rotatably mounted on the base 1.

[0065] After the paper roll alignment is completed, the paper roll needs to be pushed out of the paper roll alignment device and sent to the packaging station or the next station. By rotating the paper support base 2, the paper support 3 and the paper roll are tilted to one side of the paper roll alignment device. Under the influence of its own gravity, the paper roll automatically rolls off the paper support 3 and out of the paper roll alignment device, rolling to the packaging station or the next station.

[0066] like Figure 6 and Figure 7 As shown, in one embodiment, it also includes a rotating shaft 6 and a rotation drive device 7. The rotating shaft 6 is mounted on the paper holder base 2 or the base 1, and the rotation drive device 7 is drivenly connected to the paper holder base 2.

[0067] Specifically, the rotating shaft 6 can be mounted on the paper holder base 2, with the base 1 rotatably connected to the rotating shaft 6; or the rotating shaft 6 can be mounted on the base 1, with the paper holder base 2 rotatably connected to the rotating shaft 6. A rotary drive device 7 provides driving force to drive the paper holder base 2 to rotate. The rotary drive device 7 can be a motor, hydraulic motor, etc., driven and connected to the rotating shaft 6; or it can be a drive device connected to the paper holder base 2.

[0068] like Figure 6 and Figure 7As shown, in one embodiment, the rotary drive device 7 includes a rotary drive member 71, a first connecting rod 72, and a second connecting rod 73. The first connecting rod 72 is drivenly connected to the rotary drive member 71, the first end of the second connecting rod 73 is rotatably connected to the first connecting rod 72, and the second end of the second connecting rod 73 is rotatably connected to the paper holder base 2.

[0069] The first connecting rod 72 and the second connecting rod 73 form a crank-connecting rod mechanism. When the rotary drive 71 rotates, it drives the first connecting rod 72 to rotate, thereby driving the second connecting rod 73 to lift the paper support base 2 upward, thus tilting the paper support 3 and the paper roll towards one side of the paper roll centering device, so that the paper roll, relying on its own weight, automatically rolls off the paper support 3 from the paper roll centering device and rolls towards the packaging station or the next station.

[0070] In other embodiments, the paper holder base 2 can also be lifted by means of an electric push rod, hydraulic / pneumatic cylinder, screw mechanism, etc.

[0071] The above description is merely a preferred embodiment of this application and is not intended to limit this application. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of this application should be included within the protection scope of this application.

Claims

1. A paper roll centering device, characterized in that, include: Base (1); Paper holder base (2) is installed on the base (1); Paper holder (3) is slidably connected to the paper holder base (2). At least two centering actuators (4) are arranged on both sides of the paper holder (3) along the sliding direction of the paper holder (3), and the centering actuators (4) can move closer to or further away from each other along the sliding direction of the paper holder (3); it also includes a reset actuator (5) installed on the paper holder (3), the reset actuator (5) is connected to the paper holder (3) and can drive the paper holder (3) to move to a predetermined position; The reset actuator (5) is driven to connect with the centering actuator (4); The number of reset actuators (5) is at least 2, and each reset actuator (5) is arranged on both sides of the paper holder (3) along the sliding direction of the paper holder (3); The centering actuator (4) can move the reset actuator (5) to a predetermined position after approaching and contacting the reset actuator (5) in a predetermined direction; When the centering actuators (4) move away from each other, the centering actuators (4) can approach and contact the reset actuators (5), thereby driving the reset actuators (5) to move to the predetermined position; when the centering actuators (4) approach each other, the centering actuators (4) and the reset actuators (5) separate, and the reset actuators (5) remain in place.

2. The paper roll centering device as described in claim 1, characterized in that, The reset actuator (5) is a pull rod, which includes a first stop (51). The centering actuator (4) is provided with a second stop (41). The second stop (41) can move the pull rod to a predetermined position after approaching and contacting the first stop (51) in a predetermined direction.

3. The paper roll centering device as described in claim 1, characterized in that, The paper holder base (2) is rotatably mounted on the base (1).

4. The paper roll centering device as described in claim 3, characterized in that, It also includes a rotating shaft (6) and a rotation drive device (7), the rotating shaft (6) being mounted on the paper holder base (2) or the base (1), and the rotation drive device (7) being drivenly connected to the paper holder base (2).

5. The paper roll centering device according to any one of claims 1 to 4, characterized in that, The paper holder base (2) is provided with a slide rail (8) arranged along the sliding direction of the paper holder (3), and the paper holder (3) is slidably connected to the slide rail (8).

6. The paper roll centering device according to any one of claims 1 to 4, characterized in that, The paper holder (3) includes a first inclined panel (31) and a second inclined panel (32), which are arranged in a V-shape in a plane perpendicular to the sliding direction of the paper holder (3).

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