Bobbin paper tightening mechanism

Abstract

The utility model discloses a bobbin paper tightening mechanism which comprises a bobbin paper supply rotary table and a bobbin paper assembly, the bobbin paper assembly comprises a bobbin paper frame and a bobbin paper tightening arm, the bobbin paper frame is rotationally connected to the bobbin paper supply rotary table, and the bobbin paper tightening arm is located on one side of the bobbin paper frame. One end of the disc paper tightening arm is connected with a stability control component and a balancing weight, and the other end is provided with a follow-up roller; the overall gravity center of the balancing weight and the coiling paper tightening arm is located at the rotating center position of the coiling paper tightening arm. A connecting plate is arranged between the stability control component and the bobbin paper frame; bobbin paper is arranged on the bobbin paper frame in a sleeving mode, one end of the bobbin paper bypasses the follow-up roller and enters a downstream process, the bobbin paper tightening arm rotates around the rotation center of the bobbin paper tightening arm under the pulling force effect of the bobbin paper so that the stability control component can move, the connecting plate is driven to rotate around the rotation center of the connecting plate, and then resistance is generated on the bobbin paper frame. Therefore, the tension force of the bobbin paper is accurately controlled, the tension force change of the bobbin paper caused by the change of the gravity center is avoided through the balancing weight, and the stability of equipment is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of mechanical transmission devices, and particularly relates to a disk paper tensioning mechanism. Background Art

[0002] At present, two paper reels are arranged on a paper reel supply turntable in the paper reel supply system of a cigarette making and tipping machine set. When the paper reel is about to run out, the paper reel supply turntable rotates around the center, and the two paper reels exchange positions, so that the installation and feeding of the next paper reel can be completed, ensuring that the cigarette making and tipping machine set does not stop during paper reel replacement.

[0003] In use, the surface of the paper reel supply turntable is placed perpendicular to the ground. Due to the structural design problem of the current paper reel tensioning device, after the paper reels exchange positions, due to the influence of the center of gravity, the tension of the paper reel will change, which affects the stable operation of the equipment.

[0004] At present, during the paper reel transportation process, a paper reel tension constant adjustment device is used to adjust the paper reel tension by changing the rotation speed of the paper reel driving paper feed roller. However, the adjustment range is limited. If it exceeds the limit, the tension adjustment function cannot be realized, and during the adjustment process, the tension of the paper reel fluctuates, which is not conducive to the stable operation of the equipment. Summary of the Invention

[0005] To solve the above problems, the present application provides a disk paper tensioning mechanism, aiming to stably adjust the tension of the paper reel.

[0006] The technical solution adopted by the utility model to solve its technical problems is as follows:

[0007] The present application provides a disk paper tensioning mechanism, including a paper reel supply turntable and a paper reel assembly. The paper reel assembly includes a paper reel and a paper reel tensioning arm. The paper reel is rotatably connected to the paper reel supply turntable, and the paper reel tensioning arm is located on one side of the paper reel.

[0008] One end of the paper reel tensioning arm is connected with a stability control component and a counterweight, and the other end is provided with a follower roller.

[0009] The overall center of gravity of the counterweight and the paper reel tensioning arm is located at the rotation center position of the paper reel tensioning arm.

[0010] A connecting plate is arranged between the stability control component and the paper reel. The stability control component includes a tension spring and a damping block. One end of the tension spring is connected to the paper reel supply turntable, the other end is connected to the damping block, the damping block is connected to one end of the paper reel tensioning arm, one end of the connecting plate is connected between the tension spring and the damping block, and the other end is attached to the edge of the paper reel.

[0011] The reel paper loop is placed on the reel paper rack, and the outer end of the reel paper bypasses the follower roller and enters the downstream process. The reel paper tensioning arm rotates around its own rotation center under the pulling force of the reel paper, causing the stability control component to displace, thereby driving the connecting plate to rotate around its own rotation center, and further generating resistance to the reel paper rack.

[0012] As an improvement to the above solution, the number of the reel paper assemblies is two sets, and the two sets of reel paper assemblies are centrosymmetric about the rotation center of the reel paper supply turntable.

[0013] As an improvement to the above solution, the follower roller is also arranged on the reel paper supply turntable. After the reel paper bypasses a plurality of the follower rollers, it enters the downstream process.

[0014] As an improvement to the above solution, one end of the connecting plate is attached to the edge of the reel paper rack through a brake block. One side of the brake block is set as an arc surface adapted to the edge of the reel paper rack, and is attached to the edge of the reel paper rack through the arc surface.

[0015] As an improvement to the above solution, the reel paper tensioning arm is installed at a certain angle with the stability control component.

[0016] As an improvement to the above solution, the counterweight block is fan-shaped and its center end is connected to the reel paper tensioning arm.

[0017] The beneficial effects brought by the present utility model are as follows:

[0018] 1. Simplified structure: Through the reasonable design of the reel paper assembly in this application, the structure is simple, the operation is convenient, and the manufacturing and maintenance costs are low.

[0019] 2. Improved stability: A counterweight block is connected to the reel paper tensioning arm in this application, so that the reel paper tensioning arm can maintain dynamic balance at any position without being affected by the center of gravity, thereby avoiding the change of the reel paper tension caused by the change of the center of gravity and improving the stability of the equipment;

[0020] Especially when the reel paper tensioning mechanism replaces the reel paper, by rotating the reel paper supply turntable to change the position of the reel paper rack, the setting of the counterweight block ensures the stable operation of the equipment and avoids the obvious change of the tension caused by paper replacement.

[0021] 3. Precise control: Through the action of the tension spring and the damping block in this application, the rotation of the reel paper tensioning arm can be precisely controlled, so as to precisely control the tension of the reel paper, avoid the slack or over-tightening of the paper that may occur during the processing, and improve the quality of the product. Description of the Drawings

[0022] The following further describes the present utility model in conjunction with the drawings and specific embodiments.

[0023] Figure 1 This is a schematic structural diagram of the web paper tensioning mechanism of the present application.

[0024] Among them, 1. Web paper supply turntable; 2. Web paper rack; 3. Web paper coil; 4. Web paper; 5. Brake block; 6. Follow-up roller; 7. Web paper tensioning arm; 8. Damping block; 9. Tension spring; 10. Counterweight; 11. Connecting plate. Specific embodiments

[0025] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0026] Refer to Figure 1 , the present application provides a web paper tensioning mechanism, including a web paper supply turntable 1 and two sets of web paper assemblies, and the two sets of web paper assemblies are centrosymmetric about the rotation center of the web paper supply turntable 1.

[0027] The web paper assembly includes a web paper rack 2 and a web paper tensioning arm 7. The web paper rack 2 is rotatably connected to the web paper supply turntable 1. The web paper tensioning arm 7 is located on one side of the web paper rack 2. A control and stabilization component and a counterweight 10 are connected to one end of the web paper tensioning arm 7 facing the web paper rack 2, and a follow-up roller 6 is provided at the other end (the end far from the web paper rack 2). The control and stabilization component is attached to the web paper rack 2 through a connecting plate 11, that is, one end of the connecting plate 11 is connected to the control and stabilization component, and the other end is connected to the web paper rack 2.

[0028] The connecting plate is connected to the web paper rack 2 through a brake block 5. One side of the brake block 5 is set to be an arc adapted to the edge of the web paper rack 2 and is in contact with the edge of the web paper rack 2, and the other side is connected to the connecting plate.

[0029] The web paper coil 3 is sleeved on the web paper rack 2. The web paper 4 is pulled out and bypasses the follow-up roller 6. The web paper tensioning arm 7 rotates around its own rotation center, causing the control and stabilization component to displace, thereby driving the connecting plate 11 to rotate around its own rotation center and generating a resistance to the web paper rack 2, that is, increasing the friction between the brake block 5 and the web paper rack 2. Finally, this resistance and the pulling force of the web paper 4 are balanced, achieving a relatively stable state of the web paper 4 tension. This design enables the web paper assembly to more precisely control and adjust its motion characteristics, while maintaining good stability and reducing unnecessary vibrations, improving the performance and reliability of the web paper assembly.

[0030] The overall center of gravity of the counterweight 10 and the disk paper tensioning arm 7 is located at the rotation center position of the disk paper tensioning arm 7. During use, the disk paper supply turntable 1 is placed vertically. When the disk paper roll 3 on one side is about to be used up, the disk paper supply turntable 1 rotates 180°. The two disk paper racks 2 exchange positions. At this time, due to the action of the counterweight 10 of the disk paper tensioning arm 7, the disk paper tensioning arm 7 reaches dynamic balance at its own rotation center position, so that when the disk paper supply turntable rotates to any different positions, the disk paper tensioning arm 7 is not affected by the center of gravity and does not change the tension of the disk paper 4, making the tension of the disk paper 4 have no obvious change when the disk paper rack 2 changes positions, ensuring the stable operation of the equipment.

[0031] The stability control component includes a tension spring 9 and a damping block 8. The combined effect of the tension spring 9 and the damping block 8 is that it can better control and adjust the response speed and stability of the disk paper assembly. The tension spring 9 can provide elastic support for the disk paper tensioning arm 7, so that the disk paper tensioning arm 7 can generate a restoring force when affected by an external force and maintain a relatively stable movement. The damping block 8 can help the disk paper tensioning arm 7 slow down the speed, stabilize the swing during the change process, and consume part of the energy to avoid excessive vibration or instability. Through the combined action of the tension spring 9 and the damping block 8, the disk paper assembly can more precisely control and adjust its motion characteristics, while maintaining good stability and reducing unnecessary vibration, improving the performance and reliability of the disk paper assembly.

[0032] Embodiment

[0033] This embodiment provides a disk paper tensioning mechanism, which includes a disk-shaped disk paper supply turntable 1 and two sets of disk paper assemblies. The two sets of disk paper assemblies are centrosymmetric about the rotation center of the disk paper supply turntable 1, and the two sets of disk paper assemblies are respectively located on the left and right sides of the disk paper supply turntable 1.

[0034] Taking the disk paper assembly on the left side as an example, the disk paper assembly includes a disk-shaped disk paper rack 2 and a disk paper tensioning arm 7. The disk paper rack 2 is rotatably connected to the disk paper supply turntable 1, that is, the disk paper supply turntable 1 can rotate around its own rotation center (center of the circle), and the disk paper rack 2 can also rotate around its own rotation center (center of the circle).

[0035] The disk paper tensioning arm 7 is located in the upper right of the disk paper rack 2. One end of the disk paper tensioning arm 7 points to the disk paper rack 2, and the other end bends to the left and is installed with a follower roller 6. There are also three other follower rollers 6 installed on the disk surface of the disk paper supply turntable 1 on the left side of the follower roller 6.

[0036] The end of the disk paper tensioning arm 7 facing the disk paper rack 2 is also connected with a counterweight 10. The counterweight 10 is fan-shaped and its center end is connected to the disk paper tensioning arm 7. The overall center of gravity of the counterweight 10 and the disk paper tensioning arm 7 is located at the rotation center position of the disk paper tensioning arm 7.

[0037] One end of the paper disk tensioning arm 7 facing the paper disk rack 2 is successively connected with a damping block 8 and a tension spring 9 from right to left. The left end of the tension spring 9 is fixedly connected to the paper disk supply turntable 1. The top end of the connecting plate 11 is connected to the connection line between the tension spring 9 and the damping block 8 and moves along with the movement of the tension spring 9 and the damping block 8. The bottom end of the connecting plate 11 is connected to the right side of the paper disk rack 2 through a brake block 5. The arc surface on the left side of the brake block 5 fits the edge of the paper disk rack 2, and the right side of the brake block 5 is connected to the bottom end of the connecting plate.

[0038] First, the paper disk coil 3 is sleeved on the right paper disk rack 2. The paper disk 4 is pulled out to the left and bypasses the follower rollers 6 on the paper disk tensioning arm 7 and other multiple follower rollers 6 for multiple turns, and then the paper disk 4 is led out from the leading end of the paper disk 4 to enter the downstream process. There is a certain pulling force (tension) when leading out the paper disk 4, which pulls the paper disk tensioning arm 7 to rotate around its own rotation center. Along with the rotation of the paper disk tensioning arm 7, the tension spring 9 and the damping block 8 act simultaneously to stabilize the rotation of the paper disk tensioning arm 7. The rotation of the paper disk tensioning arm 7 causes displacement of the tension spring 9 and the damping block 8, thereby affecting the contact force between the brake block 5 and the paper disk rack 2, further affecting the pulling force of the paper disk 4, and finally making the resistance of the brake block 5 to the paper disk rack 2 balance with the pulling force of the paper disk 4, achieving a relatively stable state of the tension of the paper disk 4.

[0039] In use, the paper disk supply turntable 1 is placed vertically. When the paper disk 4 on the right is about to be used up, the paper disk supply turntable 1 rotates clockwise by 180°. The two paper disk racks 2 exchange positions, and the original right paper disk tensioning arm 7 rotates from below to above. At this time, due to the action of the counterweight block 10 of the paper disk tensioning arm 7, the paper disk tensioning arm 7 reaches dynamic balance at its own rotation center position, so that when the paper disk 4 supply turntable rotates at any different positions, the paper disk tensioning arm 7 is not affected by the center of gravity and does not change the pulling force of the paper disk 4, making the tension of the paper disk 4 have no obvious change when the paper disk rack 2 changes positions, ensuring the stable operation of the equipment.

[0040] It should be noted that the above are only the preferred embodiments of the present invention and are not used to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A paper coil tightening mechanism, comprising a paper coil supply turntable and a paper coil assembly, characterized in that: The paper reel assembly comprises a paper reel frame and a paper reel paper tensioning arm, wherein the paper reel frame is rotatably connected to the paper reel supply turntable, and the paper reel paper tensioning arm is located at one side of the paper reel frame; One end of the paper coiling arm is connected to a stabilizing component and a counterweight, and the other end is provided with a follower roller; The overall center of gravity of the counterweight block and the paper-tightening arm of the paper disc is located at the rotation center position of the paper-tightening arm of the paper disc; A connecting plate is provided between the stabilizing component and the paper tray, the stabilizing component comprises a tension spring and a damping block, one end of the tension spring is connected to the paper tray supply turntable, the other end of the tension spring is connected to the damping block, the damping block is connected to one end of the paper tray tensioning arm, one end of the connecting plate is connected between the tension spring and the damping block, the other end of the connecting plate is attached to the edge of the paper tray; The paper coil ring is placed on the paper coil rack, and the outer end of the paper coil passes around the follower roller and enters the downstream process. The paper coil paper tensioning arm rotates around its own rotation center under the pulling force of the paper coil, causing the stabilization component to be displaced, thereby driving the connecting plate to rotate around its own rotation center, thereby generating resistance to the paper coil rack.

2. The paper coil tightening mechanism according to claim 1, characterized in that: The number of the paper tray assemblies is two sets, and the two sets of the paper tray assemblies are centrally symmetrical about the rotation center of the paper tray supply turntable.

3. The paper coil tightening mechanism according to claim 1, characterized in that: The follower roller is also arranged on the paper feeding turntable, and the paper enters the downstream process after passing around a plurality of the follower rollers.

4. The paper coil tightening mechanism according to claim 1, characterized in that: One end of the connecting plate is fitted with the edge of the paper rack via a brake block, and one side of the brake block is configured as an arc surface adapted to the edge of the paper rack, and is fitted with the edge of the paper rack via the arc surface.

5. The paper coil tightening mechanism according to claim 1, characterized in that: The paper coil tightening arm is installed at a certain angle to the stabilizing component.

6. The paper coil tightening mechanism according to claim 1, characterized in that: The counterweight block is fan-shaped and its center end is connected to the coil paper tensioning arm.

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