A device for detecting the edge of a paper liner roll

Abstract

The utility model provides a kind of lining paper winding edge detection device, it is related to tobacco packaging equipment technical field, comprising: main body framework, the bottom position of the main body framework is equipped with a set of support leg, the upper position of main body framework is equipped with a set of transverse positioning sleeve, the inboard position of positioning sleeve is equipped with two bearings and a stable frame, a group of bolt mounting holes is set in the edge position in the side of stable frame. Keyway connection guarantees the efficient transmission of the driving torque of deviation correction motor, so that the support framework drives winding mechanism accurate rotation, cooperate position detector to quickly correct lining paper edge deviation problem, ensure that winding angle is accurate, simplify correction mechanism, and solve the problem of reducing deviation correction accuracy after the wear of traditional thread correction mechanism.

Description

Technical Field

[0001] This utility model relates to the field of tobacco packaging equipment technology, and in particular to a device for detecting the edge alignment of inner lining paper during winding. Background Technology

[0002] In modern industrial production, the application of inner lining paper is extremely widespread, especially in the tobacco packaging field. As a crucial component of cigarette packaging, the quality and winding effect of cigarette inner lining paper directly affect the final product quality and production efficiency. Edge alignment accuracy and stability during the inner lining paper winding process are paramount. However, traditional inner lining paper winding equipment and technologies suffer from several problems, as follows:

[0003] Regarding the correction mechanism for inner liner paper, although the traditional thread correction mechanism can achieve the correction function to a certain extent, the thread structure is prone to wear after long-term use due to frequent friction and stress. Once worn, its correction accuracy will be significantly reduced, resulting in uneven winding end face, affecting product appearance and subsequent use, and seriously affecting winding quality. Moreover, this structure is usually more complex, with high maintenance costs, which is not conducive to efficient production.

[0004] In addition, after installation, the drum is usually positioned by threaded locks or bolts. However, these threaded locks or bolts are prone to loosening after vibration, causing the drum to shake and resulting in uneven end faces. Furthermore, tools are needed to remove the threaded locks or bolts during drum installation and disassembly, making the process cumbersome, time-consuming, and labor-intensive, thus reducing production efficiency. Utility Model Content

[0005] This utility model relates to an inner liner paper winding edge alignment detection device. The device achieves smooth conveying of the inner liner paper through guide rollers, and the detection structure accurately detects the edge position of the inner liner paper. The correction mechanism drives the winding mechanism to adjust the angle according to the detection results. The winding mechanism achieves neat winding of the inner liner paper through the limiting sleeve and locking structure. The components work together to effectively improve the edge alignment accuracy and stability of the inner liner paper winding and reduce the scrap rate caused by edge deviation.

[0006] This utility model provides a device for detecting the edge alignment of inner lining paper during winding, specifically including: a main frame, a set of support legs at the bottom of the main frame, a set of horizontal positioning sleeves at the top of the main frame, two bearings and a stabilizing frame installed on the inner side of the positioning sleeves, a set of bolt mounting holes at the edge of one side of the stabilizing frame, a positioning frame installed at the top of the main frame, a set of bolt mounting holes on both sides of the positioning frame, a correction motor installed at the bottom of the main frame, a vertical support frame installed on one side of the main frame, the correction motor and the support frame cooperating to form a correction mechanism, a winding motor installed at the top of the support frame, and a set of bolt mounting holes at the corners of the correction motor, the winding motor, and the support frame.

[0007] Furthermore, a set of transverse guide rollers is installed at the upper position of the main frame, and a retaining ring is provided on one side of the guide rollers. One bearing is installed between the retaining ring and the positioning sleeve, and the other bearing is installed between the retaining ring and the stabilizing frame.

[0008] Furthermore, a position detector is installed on the inner side of the positioning frame, and a set of sliding grooves are opened on the inner side of the positioning frame. The sliding grooves have a V-shaped structure, and a positioning strip is provided on each side of the position detector. The positioning strips have a V-shaped structure and correspond to the sliding grooves. The positioning strips extend into the interior of the sliding grooves.

[0009] Furthermore, a horizontal friction rod is provided above the positioning frame, and a sliding hole corresponding to the friction rod is opened above the position detector. The friction rod passes through the interior of the sliding hole. The positioning frame, friction rod, and position detector cooperate with each other to form a detection structure. A friction surface is provided above the friction rod, and a locking bolt is installed above the position detector. The bottom of the locking bolt contacts the friction surface.

[0010] Furthermore, a vertical rotating groove is provided on one side of the main frame. The rotating groove has a cylindrical structure. A stabilizing sleeve is provided at the bottom of the supporting frame. The stabilizing sleeve extends into the interior of the rotating groove. The drive shaft of the correction motor is connected to the center of the bottom of the supporting frame. A keyway is provided on one side of the drive shaft.

[0011] Furthermore, a rotatably connected take-up roller is installed on the upper part of the support frame, and the drive shaft of the take-up motor is connected to the center of the take-up roller. A keyway is opened on one side of the drive shaft.

[0012] Furthermore, a limiting sleeve is installed on the outer side of the winding roller, and an ear plate is provided on the periphery of the limiting sleeve. A sliding hole is opened on one side of the ear plate, and an extension rod is inserted into the sliding hole. A pressing spring is installed on the outer side of the extension rod, and a positioning ring is provided on the outer side of the extension rod. The pressing spring is located between the positioning ring and the ear plate.

[0013] Furthermore, a locking plate is provided at the bottom of the extension rod. The locking plate has a rectangular structure and is an integral part of the extension rod. A sliding hole corresponding to the locking plate is opened on one side of the limiting sleeve. The locking plate passes through the interior of the sliding hole. A guide groove is opened on the outer side of the winding roller. The guide groove has a U-shaped structure. A set of slots corresponding to the locking plate is opened on the inner side of the guide groove. The bottom of the locking plate extends into the interior of the slots. The winding motor, winding roller, limiting sleeve, ear plate, locking plate, and extension rod cooperate with each other to form a winding mechanism.

[0014] This utility model provides a device for detecting the edge alignment of inner lining paper during winding, which has the following beneficial effects:

[0015] In this invention, the rotating groove of the main frame and the stable sleeve of the supporting frame cooperate to provide a stable rotation fulcrum for the correction; the keyway connection ensures efficient transmission of the driving torque of the correction motor, enabling the supporting frame to drive the winding mechanism to rotate accurately, and in conjunction with the position detector, quickly corrects the problem of the inner liner paper edge deviation, ensuring accurate winding angle, simplifying the correction mechanism, and solving the problem of reduced correction accuracy after wear of the traditional threaded correction mechanism.

[0016] The sliding groove of the positioning frame works in conjunction with the positioning strip of the position detector to flexibly adjust the detection position along a preset trajectory, adapting to inner lining paper of different widths; the fixing structure composed of friction rod and locking bolt further enhances the stability of the position detector, prevents the detection position from loosening due to vibration, and achieves accurate detection of the edge position of the inner lining paper.

[0017] In the winding mechanism, the limiting sleeve, through the locking plate and the groove of the winding roller, achieves quick positioning and fixation, preventing axial sliding of the inner liner paper during winding; the design of the pressing spring and extension rod allows the limiting sleeve to be quickly unlocked, facilitating the installation and disassembly of the roll and improving production efficiency.

[0018] The main frame serves as the basic support, and its positioning sleeve, bearing, and stabilizing frame work together to install guide rollers. The axial displacement of the rollers is restricted by the retaining ring and bearing, reducing rotational friction and ensuring that the inner lining paper is flat and stable during the conveying process, avoiding edge deviation caused by conveying vibration. Attached Figure Description

[0019] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings of the embodiments will be briefly described below.

[0020] The accompanying drawings described below are only related to some embodiments of the present invention and are not intended to limit the scope of the present invention.

[0021] In the attached diagram:

[0022] Figure 1 A schematic diagram of the axial structure of the opposite side detection device of this utility model after assembly is shown;

[0023] Figure 2 A partial axial side structural diagram of the side detection device of this utility model is shown;

[0024] Figure 3 This utility model illustrates Figure 2 A schematic diagram of the axonal structure from the rear view;

[0025] Figure 4 This utility model illustrates Figure 2 A schematic diagram of the axonal structure from an elevation viewpoint;

[0026] Figure 5 A schematic diagram of the axial side structure of the winding mechanism of this utility model is shown.

[0027] Figure 6 A schematic diagram of the axial structure of the detection structure of this utility model is shown;

[0028] Figure 7 This utility model illustrates Figure 5 A magnified structural diagram at point A.

[0029] List of reference numerals

[0030] 1. Main frame; 101. Guide rollers; 102. Stabilizing frame;

[0031] 2. Detection structure; 201. Positioning frame; 202. Friction rod; 203. Position detector;

[0032] 3. Correction mechanism; 301. Correction motor; 302. Support frame;

[0033] 4. Rewinding mechanism; 401. Rewinding motor; 402. Rewinding roller; 403. Limiting sleeve; 404. Ear plate; 405. Locking plate; 406. Extension rod. Detailed Implementation

[0034] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. Based on the described embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0035] Example 1: Please refer to Figures 1 to 7 :

[0036] This utility model proposes a device for detecting the edge alignment of inner lining paper during winding, comprising: a main frame 1, a set of support legs at the bottom of the main frame 1, a set of transverse positioning sleeves at the top of the main frame 1, two bearings and a stabilizing frame 102 installed on the inner side of the positioning sleeves, a set of transverse guide rollers 101 installed at the top of the main frame 1, and a retaining ring on one side of the guide rollers 101. One bearing is installed between the retaining ring and the positioning sleeve, and the other bearing is installed between the retaining ring and the stabilizing frame 102. The bearings reduce the frictional force when the guide rollers 101 rotate. Specifically, the guide rollers 101 support and guide the inner lining paper during conveying, ensuring that the inner lining paper is conveyed flat. The retaining ring cooperates with the bearings to limit the axial displacement of the guide rollers 101 and ensure their rotational stability.

[0037] In this embodiment, a set of bolt mounting holes is opened on one side of the stabilizing frame 102 at its edge. A positioning frame 201 is installed on the upper part of the main frame 1. A set of bolt mounting holes is opened on both sides of the positioning frame 201. The bolt mounting holes are installed with matching bolts according to actual needs. After the bolts are installed, the stabilizing frame 102 and the positioning frame 201 are stabilized. A position detector 203 is installed on the inner side of the positioning frame 201. A conventional model of position detector 203 is selected according to actual needs. A set of sliding grooves is opened on the inner side of the positioning frame 201. The sliding grooves have a V-shaped structure. A positioning strip is provided on each side of the position detector 203. The positioning strips have a V-shaped structure and correspond to the sliding grooves. The positioning strips extend into the interior of the sliding grooves. Specifically, the sliding grooves and positioning strips cooperate to provide precise installation guidance for the position detector 203, ensuring that it slides smoothly along a preset trajectory. To facilitate adjustment of the detection position according to the width of the inner lining paper, a horizontal friction rod 202 is provided above the positioning frame 201. A sliding hole corresponding to the friction rod 202 is opened above the position detector 203, through which the friction rod 202 passes. The positioning frame 201, friction rod 202, and position detector 203 cooperate to form the detection structure 2. A friction surface is provided above the friction rod 202, and a locking bolt is installed above the position detector 203. The bottom of the locking bolt contacts the friction surface. Specifically, the friction rod 202 further supports the position detector 203. By tightening the locking bolt, the adjustment position of the position detector 203 is fixed by the friction between the bottom of the bolt and the friction surface. The operation is convenient and the fixation is reliable. It can quickly adapt to the detection needs of inner lining paper of different widths, while avoiding position loosening due to vibration during the detection process.

[0038] In this embodiment, a web guiding motor 301 is installed at the bottom of the main frame 1, and a vertical support frame 302 is installed on one side of the main frame 1. The web guiding motor 301 and the support frame 302 cooperate to form the web guiding mechanism 3. A winding motor 401 is installed above the support frame 302. A set of bolt mounting holes are opened at the corners of the web guiding motor 301, the winding motor 401, and the support frame 302. Matching bolts are installed according to actual needs at the positions of the bolt mounting holes. After the bolts are installed, the mounting positions of the web guiding motor 301 and the winding motor 401 are stabilized. A vertical rotating groove is formed on one side of the main frame 1. The rotating groove has a cylindrical structure. A stabilizing sleeve is provided at the bottom of the supporting frame 302, extending into the interior of the rotating groove. The drive shaft of the alignment motor 301 is connected to the center of the bottom of the supporting frame 302. A keyway is formed on one side of the drive shaft. Specifically, the stabilizing sleeve cooperates with the rotating groove to provide a rotation fulcrum for the supporting frame 302, ensuring its smooth rotation; the keyway connection ensures that the driving torque of the alignment motor 301 is efficiently transmitted to the supporting frame 302, making the support... The frame 302 drives the winding mechanism 4 to rotate precisely, realizing angle correction when the inner liner paper is wound, and correcting the problem of edge deviation of the inner liner paper. A rotating winding roller 402 is installed above the support frame 302. The drive shaft of the winding motor 401 is connected to the center of the winding roller 402. A keyway is opened on one side of the drive shaft. Specifically, the keyway connection ensures that the power of the winding motor 401 is stably transmitted to the winding roller 402, so that the winding roller 402 rotates at a uniform speed, ensuring that the winding speed of the winding roller 402 on the inner liner paper is uniform.

[0039] In this embodiment, a limiting sleeve 403 is installed on the outer side of the take-up roller 402. An ear plate 404 is provided on the periphery of the limiting sleeve 403. A sliding hole is opened on one side of the ear plate 404, and an extension rod 406 is inserted through the sliding hole. A pressing spring is installed on the outer side of the extension rod 406, and a positioning ring is provided on the outer surface of the extension rod 406. The pressing spring is located between the positioning ring and the ear plate 404. Specifically, the pressing spring applies continuous pressure to the extension rod 406 through the positioning ring, causing the extension rod 406 to drive the locking plate 405 to maintain a downward pressing force, ensuring a stable fit between the locking plate 405 and the slot of the take-up roller 402. A locking plate 405 is provided at the bottom of the extension rod 406. The locking plate 405 has a rectangular structure, and the locking plate 405 and the extension rod 406 are an integral structure. A corresponding opening is opened on one side of the limiting sleeve 403. The sliding hole has a locking plate 405 that passes through the interior of the sliding hole. A guide groove is opened on the outer side of the winding roller 402. The guide groove has a U-shaped structure. A set of slots corresponding to the locking plate 405 is opened on the inner side of the guide groove. The bottom of the locking plate 405 extends into the inside of the slots. The winding motor 401, winding roller 402, limiting sleeve 403, ear plate 404, locking plate 405, and extension rod 406 cooperate to form the winding mechanism 4. Specifically, the locking plate 405 cooperates with the slots to quickly fix the limiting sleeve 403 in the preset position of the winding roller 402 to prevent axial sliding of the inner liner paper during winding. The U-shaped guide groove provides guidance and circumferential positioning for the limiting sleeve 403, so that the limiting sleeve 403 and the winding roller 402 rotate stably and synchronously. The limiting sleeve 403 can be quickly unlocked by pulling the extension rod 406 upward, which facilitates the installation and removal of the roll.

[0040] Example 2, based on Example 1, such as Figures 1-6 As shown, inner liner paper is wound between guide roller 101 and winding roller 402. A printing device for the inner liner paper needs to be set on one side of the main frame 1. Specifically, the printing device and the winding edge detection device form an integrated production process, so that the inner liner paper can directly enter the winding stage after printing, reducing the position deviation of the intermediate conveying stage. The detection structure 2 can detect the relative position of the edge of the inner liner paper and the printed pattern in real time, ensuring that the printed pattern and the edge of the inner liner paper are aligned during winding, thus improving the overall quality consistency of the product.

[0041] Example 3, based on Example 1, such as Figures 1-6As shown, a conventional controller is selected according to actual needs, and the controller is electrically connected to the position detector 203, the correction motor 301, and the winding motor 401 respectively. Specifically, the controller receives the detection signal from the position detector 203, analyzes the edge offset of the inner liner paper in real time, and automatically controls the correction motor 301 to adjust the winding angle. At the same time, it coordinates the speed of the winding motor 401 to form an automated closed-loop control of detection, analysis, and correction, which improves the response speed and accuracy of edge correction, reduces manual intervention, and adapts to the needs of high-speed production.

[0042] The working principle of this embodiment:

[0043] Place the main frame 1 on a flat ground, insert the guide roller 101 into the positioning sleeve, install bearings on both sides respectively, tighten the bolts of the stabilizing frame 102 and the positioning frame 201, and position the guide roller 101.

[0044] Insert the positioning strip of the position detector 203 into the sliding groove of the positioning frame 201, and move the position detector 203 along the sliding groove to the detection position that matches the width of the inner lining paper. For example, when the width of the inner lining paper is eight centimeters, the center of the detector is aligned with the edge of the paper. Tighten the locking bolt above the friction rod 202 to fix the position detector 203 through the friction surface to prevent it from shaking during detection.

[0045] Insert the stabilizing sleeve of the support frame 302 into the rotating groove of the main frame 1, and connect the drive shaft of the correction motor 301 and the bottom of the support frame 302 through the keyway; install the take-up roller 402 above the support frame 302, and connect the take-up roller 402 to the drive shaft of the take-up motor 401 through the keyway.

[0046] Install the drum, pull the extension rod 406 upward to compress the pressing spring, install the limiting sleeve 403 with the guide groove on the outside of the take-up roller 402, and release the extension rod 406 to complete the position locking of the limiting sleeve 403 and the drum.

[0047] According to the requirements for edge detection of the inner liner paper, a reference edge position is set in the position detector 203. The inner liner paper is pulled around the guide roller 101 in sequence, passes through the detection area of ​​the detection structure 2, and then winds onto the roll surface outside the winding roller 402 to ensure that the edge of the inner liner paper is aligned with the inner side of the limiting sleeve 403. The winding motor 401 is started to tension the inner liner paper through the guide roller group.

[0048] The position detector 203 is activated to collect the position data of the inner liner paper edge in real time. If the detected inner liner paper edge offset is less than 0.3 mm, the winding motor 401 operates normally, and the limit sleeve 403 maintains the alignment of the inner liner paper edge.

[0049] If the offset of the inner liner paper is greater than 0.3 mm, the position detector 203 will transmit the signal to the conventional controller installed later. The controller will drive the correction motor 301 to rotate the support frame 302 and adjust the angle of the winding roller 402 until the edge of the inner liner paper returns to the reference position. The response time is within one second.

[0050] After winding is completed, stop the machine and disconnect the power; pull the extension rod 406 upward to release the locking plate 405 from the slot of the winding roller 402 and unlock the limiting sleeve 403, and remove the wound inner liner paper roll from the winding roller 402; reinstall the paper roll onto the drum and repeat the above steps to reinstall the limiting sleeve 403 onto the positioning drum.

[0051] Calibrate the accuracy of position detector 203 by testing the deviation using standard-sized inner lining paper. If the deviation exceeds the tolerance, the fixed positions of the sliding groove and friction rod 202 need to be readjusted.

[0052] Regularly check whether the limit sleeve 403 slides axially. If the locking plate 405 and the slot are loose, replace the worn pressing spring. Confirm whether the friction rod 202 and the locking bolt are loose, causing the position detector 203 to shift its detection position. Re-fix and calibrate.

Claims

1. A device for detecting the edge alignment of inner liner paper during winding, comprising: The system comprises a main frame, a correction motor, and a support frame. The main frame has a set of support legs at its bottom and a set of horizontal positioning sleeves at its top. The positioning sleeves have two bearings and a stabilizing frame installed on their inner sides. One side of the stabilizing frame has a set of bolt holes at its edge. A positioning frame is installed at the top of the main frame, with bolt holes on both sides. A correction motor is installed at the bottom of the main frame, and a vertical support frame is installed on one side of the main frame. The correction motor and support frame cooperate to form a correction mechanism. A winding motor is installed at the top of the support frame. Bolt holes are located at the corners of the correction motor, the winding motor, and the support frame.

2. The inner liner paper winding edge detection device according to claim 1, characterized in that, A set of transverse guide rollers is installed at the top of the main frame. A retaining ring is provided on one side of the guide rollers. One bearing is installed between the retaining ring and the positioning sleeve, and the other bearing is installed between the retaining ring and the stabilizing frame.

3. The inner liner paper winding edge detection device according to claim 1, characterized in that, A position detector is installed on the inner side of the positioning frame. A set of sliding grooves is opened on the inner side of the positioning frame. A positioning strip is provided on each side of the position detector. The positioning strips correspond to the sliding grooves and extend into the interior of the sliding grooves.

4. The inner liner paper winding edge detection device according to claim 1, characterized in that, A horizontal friction rod is provided above the positioning frame, and a sliding hole corresponding to the friction rod is opened above the position detector. The friction rod passes through the interior of the sliding hole. The positioning frame, friction rod, and position detector cooperate with each other to form a detection structure. A friction surface is provided above the friction rod, and a locking bolt is installed above the position detector. The bottom of the locking bolt contacts the friction surface.

5. The inner liner paper winding edge detection device according to claim 1, characterized in that, A vertical rotating groove is provided on one side of the main frame. The rotating groove is a cylindrical structure. A stabilizing sleeve is provided at the bottom of the supporting frame. The stabilizing sleeve extends into the interior of the rotating groove. The drive shaft of the correction motor is connected to the center of the bottom of the supporting frame. A keyway is provided on one side of the drive shaft.

6. The inner liner paper winding edge detection device according to claim 1, characterized in that, A rotatably connected take-up roller is installed above the support frame. The drive shaft of the take-up motor is connected to the center of the take-up roller, and a keyway is opened on one side of the drive shaft.

7. The inner liner paper winding edge detection device according to claim 6, characterized in that, A limiting sleeve is installed on the outer side of the winding roller. An ear plate is provided on the periphery of the limiting sleeve. A sliding hole is opened on one side of the ear plate. An extension rod is inserted into the sliding hole. A pressing spring is installed on the outer side of the extension rod. A positioning ring is provided on the outer side of the extension rod. The pressing spring is located between the positioning ring and the ear plate.

8. The inner liner paper winding edge detection device according to claim 7, characterized in that, A locking plate is provided at the bottom of the extension rod. The locking plate has a rectangular structure and is an integral part of the extension rod. A sliding hole corresponding to the locking plate is opened on one side of the limiting sleeve. The locking plate passes through the interior of the sliding hole. A guide groove is opened on the outer side of the winding roller. A set of slots corresponding to the locking plate is opened on the inner side of the guide groove. The bottom of the locking plate extends into the interior of the slots. The winding motor, winding roller, limiting sleeve, ear plate, locking plate and extension rod cooperate with each other to form a winding mechanism.

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