A preparation device and preparation method of invisible window tipping paper

Abstract

The present application discloses a preparation device and a preparation method of invisible window tipping paper, which relate to the technical field of cigarette tipping paper preparation, and include a guide roller group for conveying strip tipping paper, a guide plate arranged directly above the guide roller group, a plurality of laser punching machines slidably arranged on the guide plate through a locking component, the laser punching machines are arranged in sequence along both sides of the guide plate, and are respectively used to print the left and right sides of the same invisible window position of the strip tipping paper. The technical advantages of the present application are as follows: the present invention no longer reserves a coating gap, and reserves a tearable invisible window by laser punching, thereby realizing the overall coating of the strip tipping paper, and does not affect the visual effect of subsequent users; the position control and installation fixation of each laser punching machine are realized by setting the locking component and the guide plate, so that the punching angle of the strip tipping paper is more variable; the tensioning treatment of the strip tipping paper can be realized by setting the lifting component, so that the subsequent laser punching effect is more accurate.

Description

Technical Field

[0001] The present application relates to the technical field of cigarette tipping paper preparation, and in particular to a preparation device and a preparation method of invisible window tipping paper. Background Art

[0002] Cigarette tipping paper is an indispensable part of tobacco products, used to connect tobacco segments and filter segments. Traditional tipping paper is mainly made of cellulose materials, such as wood pulp or flax fiber, which have good air permeability and combustion performance. With the increasing awareness of environmental protection and health in the tobacco industry, the materials and technologies of tipping paper are also constantly developing and improving. In recent years, the research and development focus of cigarette tipping paper has shifted to improving its functionality, reducing the release of harmful substances, and enhancing the comfort of smokers. For example, by adding special coatings or micropores to the tipping paper to control the content of certain components in the smoke, the effect of harm reduction can be achieved. In addition, some new tipping papers use biodegradable materials to reduce the impact on the environment. In terms of production technology, the production of modern tipping paper usually involves multiple steps, including the preparation of raw materials, the manufacture of paper, the application of coatings, and the cutting and packaging of the final product.

[0003] In the preparation process of cigarette tipping paper, in order to meet consumers' demand for product transparency and visibility (observing internal structure or seeing QR code), the existing technology usually adopts the method of reserving non-coating position to realize the production of visible window. This method has some shortcomings. Since the non-coating position cannot be completely blocked, the visual effect is not good, and the preparation process is complicated and it is difficult to achieve precise positioning. Therefore, how to improve the convenience of visual window preparation and overall structural strength while ensuring that users can still observe internal structures such as activated carbon, and how to prepare tipping paper with invisible window with tearing effect have become key technical problems that technical personnel in this field need to solve. Summary of the invention

[0004] The present invention provides a device and method for preparing invisible window tipping paper, and the specific implementation methods are as follows:

[0005] A device for preparing invisible window tipping paper, comprising:

[0006] Guide roller set for conveying tipping paper;

[0007] A guide plate is arranged directly above the guide roller group. A plurality of laser punching machines are slidably arranged on the guide plate through a locking assembly. The laser punching machines are arranged in sequence along both sides of the guide plate and are respectively used to print the left and right sides of the same invisible window position of the tipping paper.

[0008] Preferably, laser punching machines are provided on both sides of the guide plate, and the laser punching machines on both sides are equidistantly arranged along different ends of the guide plate; two laser punching machines are arranged side by side in the middle position of the guide plate, which are used to print partitions along the length direction of the same invisible window part of the tipping paper.

[0009] Based on the above technical solution, the invisible window can completely cover the window area when it is not torn, and can clearly display the internal activated carbon and other components after it is torn. At the same time, by optimizing the production process, reducing the number of steps, and improving efficiency, the rapid preparation of the invisible window can be achieved, and it is also ensured that the user can easily tear the window without destroying the overall structure of the tipping paper. The present invention no longer reserves a coating gap, but uses laser punching to reserve a tearable invisible window, thereby realizing the overall coating of the tipping paper without affecting the visual effect when the subsequent user uses it.

[0010] Preferably, a controller is also included. The laser punching machine includes a laser, a beam transmitter, and a scanner. The signal input end of the controller is electrically connected to the scanner, and the signal output end is electrically connected to the laser. The laser acts on the tipping paper conveyed on the guide roller group through the beam transmitter.

[0011] Based on the above technical solutions, the principle of the laser drilling machine is to use the high-energy laser beam generated by the laser, focus the laser to a very small point through the beam transmission system, and then quickly and accurately scan the surface of the workpiece through the scanning system, so that the laser beam can be positioned and punched on the surface of the workpiece. The energy of the laser beam is concentrated in a small area, which can cause the material to evaporate or melt quickly, thereby forming a small hole on the surface of the workpiece; this laser uses a semiconductor laser or a solid laser as a laser source. The laser source is responsible for generating a high-energy, continuous or pulsed laser beam; the beam transmitter includes the output, adjustment and focusing of the laser beam. It is composed of mirrors, lenses and optical fibers, which are used to focus the laser to a small point on the surface of the workpiece, thereby achieving a high-energy density punching effect; the scanner is composed of a scanning head and a scanning mirror, which is responsible for controlling the movement trajectory of the laser beam on the surface of the workpiece to achieve accurate punching position and shape.

[0012] Preferably, it also includes a box body, the bottom of which is used to install a guide roller group, the end of which is provided with a lateral opening for leading out the tipping paper, and a pressure roller group for positioning the end of the tipping paper is installed at the lateral opening.

[0013] Preferably, a lifting assembly is provided between the bottom of the box and the guide roller group, which is composed of a connecting rod structure, a screw structure and a lifting plate. The output end of the screw structure acts on the lifting plate and the guide roller group through the connecting rod structure to achieve tensioning of the butt-loaded paper.

[0014] Based on the above technical solution, by installing a lifting component in the equipment, the height adjustment of the tipping paper can be achieved to ensure that the tipping paper remains flat when passing through the laser punching area, avoiding punching deviation caused by paper loosening; the pressure roller group is used to tension the tipping paper to ensure that the tipping paper maintains appropriate tension when passing through the laser punching area. This can improve the accuracy of laser punching and ensure that the punching position of the invisible window is accurate; it can also improve the accuracy and consistency of punching, thereby improving product quality and production efficiency.

[0015] Preferably, two groups of guide plates are arranged in parallel along the direction of the guide roller group, and each guide plate is provided with a laser puncher for acting on two parallel invisible window positions on the same tipping paper.

[0016] Preferably, the cross-section of the guide plate is a T-shaped structure, and the guide plate is provided with guide grooves and serrations in parallel along its length direction; the locking assembly as a whole is a C-shaped seat structure slidably connected to the guide plate, and its end is provided with a barb that is inserted into the guide groove, and a gear that engages with the serrations is rotatably provided on the inner side of the C-shaped seat.

[0017] Preferably, the side of the guide plate is provided with a plurality of limit holes equidistantly along its length direction, and the top thereof is provided with scale lines along its length direction, with the barbs pointing to the scale lines; a push rod is slidably provided on the side of the C-shaped seat, and the push rod and the gear are coaxially slidably arranged as a whole, and the push rod passes through the gear to act on the corresponding limit hole.

[0018] Based on the above technical solution, the laser punching machine can be fixed in different positions by installing a locking component, so that the position of the punching machine can be adjusted as needed to adapt to different types of tipping paper and different punching requirements; the guide plate is used to guide the laser punching machine to move along a predetermined path to ensure that the angle and position of the punching are more accurate, which enables the laser punching machine to achieve more variable punching angles and improves the diversity and flexibility of the invisible window of the tipping paper; through the coordinated use of the locking component and the guide plate, not only can the laser punching machine be flexibly installed and fixed, but also the accuracy and consistency of the punching can be ensured, thereby improving product quality and production efficiency.

[0019] Preferably, the guide plate, the C-shaped seat and the guide roller group all have an arc-shaped profile as a whole.

[0020] A method for preparing invisible window tipping paper comprises the following steps:

[0021] S100, placing the tipping paper on the guide roller group, and clamping the tipping paper in the pressure roller group at the position where it passes through the box;

[0022] S200, observe the barb along the scale line and move the C-shaped seat along the direction of the guide plate;

[0023] S300, during the movement, the gear and the sawtooth cooperate to rotate accordingly. When the C-shaped seat moves to a suitable position, the push rod is pressed down to clamp its end into the corresponding limit hole, thereby locking the position of the laser punching machine;

[0024] S400, the laser punching machines on both sides of the guide plate are respectively gathered at different ends of the guide plate, and two laser punching machines are arranged in parallel in the middle of the guide plate;

[0025] S500, after the controller turns on each laser punching machine, the driving structure in the guide roller group controls the tipping paper to be transported forward;

[0026] S600, during which each laser punching machine acts on the tipping paper to punch holes on the left and right sides of the same invisible window position on the tipping paper, as well as punch holes between adjacent sections on the same invisible window position.

[0027] In summary, this application includes the following beneficial technical effects:

[0028] 1. The present invention does not reserve a gap for coating, but reserves a tearable invisible window by laser punching, thereby realizing the overall coating of the tipping paper without affecting the visual effect of subsequent users;

[0029] 2. The present invention realizes the position control and installation fixation of each laser punching machine by setting a locking assembly and a guide plate, so that the punching angle of the butt paper is more variable;

[0030] 3. The present invention has a simple structure, and can achieve tensioning of the binding paper by setting a lifting assembly and a pressure roller group, so that the subsequent laser punching effect of the invisible window is more accurate. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] Figure 1 It is a schematic diagram of the structure of invisible window tipping paper;

[0032] Figure 2 It is a schematic diagram of the structure of the present invention;

[0033] Figure 3 is a cross-sectional schematic diagram of the front view structure of the present invention;

[0034] Figure 4 It is a cross-sectional diagram of the side view structure in the present invention. Figure 1 ;

[0035] Figure 5 It is a cross-sectional diagram of the side view structure in the present invention. Figure 2 ;

[0036] Figure 6 It is an exploded schematic diagram of the guide roller group and the laser drilling structure in the present invention;

[0037] Figure 7 The present invention Figure 6 A partial enlargement of the laser-drilled structure Figure 1 ;

[0038] Figure 8 The present invention Figure 6 A partial enlargement of the laser-drilled structure Figure 2 .

[0039] Description of reference numerals:

[0040] 1. Box, 2. Lifting assembly, 3. Guide roller assembly, 4. Locking assembly, 5. Mounting shell, 6. Guide plate, 7. Laser puncher, 8. Press roller assembly, 10. Tipping paper,

[0041] 101, lateral opening, 102, limiting conducting groove,

[0042] 201, connecting rod structure, 202, lead screw structure, 203, lifting plate,

[0043] 2011, long connecting rod, 2012, short connecting rod, 2013, connecting rod, 2014, sliding sleeve,

[0044] 2021, column, 2022, screw rod, 2023, horizontal limit plate, 2024, slider,

[0045] 401, C-shaped seat, 402, push rod, 403, gear, 404, barb,

[0046] 601, serrated, 602, guide groove, 603, scale line, 604, limit hole. DETAILED DESCRIPTION

[0047] The specific implementation of the present invention is described below in conjunction with the accompanying drawings and embodiments:

[0048] It should be noted that the structures, proportions, sizes, etc. illustrated in the drawings of this specification are only used to match the contents disclosed in the specification so that people familiar with this technology can understand and read them, and are not used to limit the conditions under which the present invention can be implemented. Any structural modification, change in proportional relationship or adjustment of size should still fall within the scope of the technical contents disclosed in the present invention without affecting the effects and purposes that can be achieved by the present invention.

[0049] At the same time, the terms such as "upper", "lower", "left", "right", "middle" and "one" cited in this specification are only for the convenience of description and are not used to limit the scope of implementation of the present invention. Changes or adjustments to their relative relationships should be regarded as the scope of implementation of the present invention without substantially changing the technical content.

[0050] The following is combined with Figure 1-8 This application is described in further detail.

[0051] The embodiments of the present application disclose a device and a method for preparing invisible window tipping paper.

[0052] Example 1

[0053] Reference Figures 1 to 8 The present embodiment discloses a preparation device and a preparation method of invisible window tipping paper, comprising a guide roller group 3 for conveying a strip-shaped tipping paper 10, a guide plate 6 arranged directly above the guide roller group 3, a plurality of laser punching machines 7 slidably arranged on the guide plate 6 through a locking assembly 4, and the laser punching machines 7 are sequentially arranged along both sides of the guide plate 6, and are respectively used to print the left and right sides of the same invisible window part 9 of the strip-shaped tipping paper 10.

[0054] Laser punchers 7 are provided on both sides of the guide plate 6, and the laser punchers 7 on both sides are arranged equidistantly along different ends of the guide plate 6. Two laser punchers 7 are arranged side by side in the middle of the guide plate 6, which are used to print partitions along the length direction of the same invisible window part 9 of the strip-shaped tipping paper 10.

[0055] It also includes a controller. The laser punching machine 7 includes a laser, a beam transmitter, and a scanner. The signal input end of the controller is electrically connected to the scanner, and its signal output end is electrically connected to the laser. The laser acts on the strip-shaped tipping paper 10 conveyed on the guide roller group 3 through the beam transmitter.

[0056] Example 2

[0057] Reference Figures 6 to 8 Based on the above embodiment, this embodiment further discloses a preparation device for invisible window plugging paper, wherein two groups of guide plates 6 are arranged in parallel along the direction of the guide roller group 3, and each guide plate 6 is respectively provided with a laser punching machine 7 for acting on two parallel invisible window parts 9 on the same strip-shaped plugging paper 10, Figure 1 That is, since the width of the strip-shaped tipping paper 10 is relatively large, two laser punching structures are arranged. After the punching, two invisible window parts 9 appear on the same strip-shaped tipping paper 10, that is, double-station punching of a single strip-shaped tipping paper 10 is realized; subsequently, the strip-shaped tipping paper 10 is cut from the middle to obtain two independent sub-strip-shaped tipping papers 10, and the sub-strip-shaped tipping paper 10 is subsequently cut into sections to obtain a plurality of invisible window tipping papers 11, that is, the shaded area in the figure, which can be surrounded to form a cigarette holder structure.

[0058] Example 3

[0059] Reference Figures 6 to 8Based on the above embodiments, the present embodiment further discloses a device for preparing invisible window plugging paper, wherein the cross section of the guide plate 6 is a T-shaped structure, and the guide plate 6 is provided with a guide groove 602 and a serration 601 in parallel along its length direction, and the locking assembly 4 is a C-shaped seat 401 structure slidably connected to the guide plate 6, and a barb 404 is provided at its end to be inserted into the guide groove 602, and a gear 403 is rotatably provided on the inner side of the C-shaped seat 401 to engage with the serration 601.

[0060] The side of the guide plate 6 is provided with a plurality of limit holes 604 equidistantly along its length direction, and a scale line 603 is provided on its top along its length direction, and the barb 404 points to the scale line 603. In this structure, a push rod 402 is slidably provided on the side of the C-shaped seat 401, and the push rod 402 is coaxially slidably arranged with the gear 403. The push rod 402 passes through the gear 403 and can act on the corresponding limit hole 604.

[0061] Example 4

[0062] Reference Figure 6 Based on the above embodiments, this embodiment further discloses a preparation device for invisible window tipping paper, wherein the guide plate 6, the C-shaped seat 401 and the guide roller group 3 are all straight in profile as a whole, that is, the strip tipping paper 10 is transported and punched horizontally.

[0063] Example 5

[0064] Reference Figure 6 Based on the above embodiments, this embodiment further discloses a preparation device for invisible window tipping paper, wherein the guide plate 6, the C-shaped seat 401 and the guide roller group 3 are all arc-shaped in profile as a whole, that is, the strip tipping paper 10 is transported and punched in an arc direction.

[0065] Example 6

[0066] Reference Figure 1 and Figure 5 Based on the above embodiments, the present embodiment further discloses a preparation device for invisible window tipping paper, further comprising a box body 1, the bottom of which is used to install a guide roller group 3, the end of which is provided with a lateral opening 101 for leading out the strip-shaped tipping paper 10, and a pressure roller group 8 for positioning the end of the strip-shaped tipping paper 10 is installed at the position of the lateral opening 101. In the present structure, a lifting component 2 is provided between the bottom of the box body 1 and the guide roller group 3, and the tensioning of the strip-shaped tipping paper 10 before laser punching is realized by the combined application of the pressure roller group 8 and the lifting component 2.

[0067] The lifting assembly 2 is composed of a connecting rod structure 201, a screw structure 202 and a lifting plate 203. The output end of the screw structure 202 acts on the lifting plate 203 and the guide roller group 3 through the connecting rod structure 201. In this structure, the screw structure 202 includes a pair of columns 2021, and a screw rod 2022 and a transverse limit plate 2023 are arranged in parallel between the two columns 2021. A motor whose output end is connected to the screw rod 2022 is installed on the back of the column 2021. A slider 2024 is horizontally slidably provided on the transverse limit plate 2023. The thread directions of the two ends of the screw rod 2022 are opposite, and the sliders 2024 on both sides are respectively threaded to the two ends of the screw rod 2022.

[0068] The connecting rod structure 201 is respectively arranged on both sides of the screw rod 2022, and one side is composed of a pair of long connecting rods 2011 that are rotatably connected, and the two ends of the long connecting rod 2011 are respectively rotatably connected to the lifting plate 203 and the bottom of the box body 1. This structure also includes a pair of short connecting rods 2012 that are rotatably connected to each other, and the ends of the two short connecting rods 2012 are respectively rotatably connected to the middle section of the long connecting rod 2011, and the rotation center between the two short connecting rods 2012 is coaxially connected with a connecting rod 2013. A limited conducting groove 102 is horizontally opened on the side of the box body 1, and the end of the connecting rod 2013 is inserted into the limited conducting groove 102 and is connected with a sliding sleeve 2014.

[0069] Example 7

[0070] Reference Figures 1 to 8 Based on the above embodiment, this embodiment also discloses a method for preparing invisible window plugging paper, comprising the following steps:

[0071] S100, placing the strip-shaped tipping paper 10 on the guide roller group 3, and clamping the strip-shaped tipping paper 10 in the pressure roller group 8 at the position where the strip-shaped tipping paper 10 passes through the box body 1;

[0072] S200, observe the barb 404 along the scale line 603, and move the C-shaped seat 401 along the direction of the guide plate 6;

[0073] S300, during the movement, the gear 403 and the serrated 601 cooperate to rotate accordingly. When the C-shaped seat 401 moves to a suitable position, the push rod 402 is pressed down to insert its end into the corresponding limiting hole 604, thereby locking the position of the laser punching machine 7;

[0074] S400, the laser punching machines 7 on both sides of the guide plate 6 are respectively gathered at different ends of the guide plate 6, and two laser punching machines 7 are arranged in parallel in the middle of the guide plate 6;

[0075] S500, after the controller turns on each laser punching machine 7, the driving structure in the guide roller group 3 controls the strip-shaped tipping paper 10 to be transported forward;

[0076] S600, during which each laser punching machine 7 acts on the strip-shaped tipping paper 10 to punch holes on the left and right sides of the same invisible window position on the strip-shaped tipping paper 10, and to punch holes between adjacent sections on the same invisible window position.

[0077] Many other changes and modifications may be made without departing from the concept and scope of the present invention.It should be understood that the present invention is not limited to the specific embodiments, and the scope of the present invention is defined by the appended claims.

Claims

1. A device for preparing invisible window tipping paper, characterized in that: include: A guide roller group (3) for conveying a strip-shaped tipping paper (10); A guide plate (6) is arranged directly above the guide roller group (3), and a plurality of laser punchers (7) are slidably arranged on the guide plate (6) through a locking assembly (4). The laser punchers (7) are arranged in sequence along both sides of the guide plate (6), and the laser punchers (7) are used to print the left and right sides of the same invisible window portion (9) of the strip-shaped tipping paper (10); The cross section of the guide plate (6) is in a T-shaped structure, and the guide plate (6) is provided with guide grooves (602) and sawtooth shapes (601) in parallel along its length direction; The locking assembly (4) is a C-shaped seat (401) structure that is slidably connected to the guide plate (6), and the end of the locking assembly (4) is provided with a barb (404) that is inserted into the guide groove (602), and a gear (403) that is rotatably engaged with the sawtooth (601) is provided inside the C-shaped seat (401); The side of the guide plate (6) is provided with a plurality of limiting holes (604) at equal intervals along its length direction, the top of the guide plate (6) is provided with a scale line (603) along its length direction, and the barb (404) points to the scale line (603); A push rod (402) is slidably provided on the side of the C-shaped seat (401), and the push rod (402) and the gear (403) are coaxially slidably arranged in one body, and the push rod (402) passes through the gear (403) and can act on the corresponding limiting hole (604); It also includes a controller, the laser punching machine (7) includes a laser, a beam transmitter, and a scanner, the signal input end of the controller is electrically connected to the scanner, the signal output end of the controller is electrically connected to the laser, and the laser acts on the strip-shaped tipping paper (10) conveyed on the guide roller group (3) through the beam transmitter; This laser uses semiconductor laser or solid laser as the laser source to focus the laser onto a small spot on the surface of the workpiece. The scanner consists of a scanning head and a scanning mirror to control the movement trajectory of the laser beam on the surface of the workpiece. It also comprises a box body (1), the bottom of the box body (1) being used to mount the guide roller group (3), the end of the box body (1) being provided with a lateral opening (101) for guiding out the strip-shaped tipping paper (10), and a pressing roller group (8) for positioning the end of the strip-shaped tipping paper (10) being installed at the position of the lateral opening (101).

2. The device for preparing invisible window tipping paper according to claim 1, characterized in that: The laser punching machines (7) are arranged on both sides of the guide plate (6), and the laser punching machines (7) on both sides of the laser punching machine (7) are arranged equidistantly along different ends of the guide plate (6); Two laser punching machines (7) are arranged in parallel at the middle position of the guide plate (6), and the laser punching machines (7) are used to print partitions between the strip-shaped tipping paper (10) and the invisible window part (9) along the length direction of the invisible window part (9).

3. The device for preparing invisible window tipping paper according to claim 2, characterized in that: A lifting assembly (2) is provided between the bottom of the box body (1) and the guide roller group (3); the lifting assembly (2) is composed of a connecting rod structure (201), a lead screw structure (202) and a lifting plate (203); the output end of the lead screw structure (202) acts on the lifting plate (203) and the guide roller group (3) through the connecting rod structure (201) to achieve tensioning of the strip-shaped tipping paper (10).

4. The device for preparing invisible window tipping paper according to claim 2, characterized in that: Two groups of guide plates (6) are arranged in parallel along the direction of the guide roller group (3), and each guide plate (6) is provided with a laser punching machine (7) for acting on two parallel invisible window locations (9) on the same strip of tipping paper (10).

5. The device for preparing invisible window tipping paper according to claim 1, characterized in that: The guide plate (6), the C-shaped seat (401) and the guide roller group (3) all have an arc-shaped profile as a whole.

6. A method for preparing invisible window plugging paper, which uses the invisible window plugging paper preparation device according to any one of claims 1 to 5, characterized in that: The following steps are involved: S100, laying the strip-shaped tipping paper (10) on the guide roller group (3), and the strip-shaped tipping paper (10) is clamped in the pressure roller group (8) at the position where it passes through the box body (1); S200, observing the barb (404) along the scale line (603), and moving the C-shaped seat (401) along the direction of the guide plate (6); S300, during the movement, the gear (403) cooperates with the sawtooth (601) to rotate accordingly. When the C-shaped seat (401) moves to a suitable position, the push rod (402) is pressed down to insert the end of the push rod (402) into the limiting hole (604) corresponding to the push rod (402), thereby locking the position of the laser punching machine (7); S400, the laser punching machines (7) on both sides of the guide plate (6) are respectively gathered at different ends of the guide plate (6), and two laser punching machines (7) are arranged in parallel in the middle of the guide plate (6); S500, after the controller turns on each of the laser punching machines (7), the driving structure in the guide roller group (3) controls the strip-shaped tipping paper (10) to be transported forward; S600, during which each of the laser punching machines (7) acts on the strip-shaped tipping paper (10) to punch holes on the left and right sides of the same invisible window portion (9) on the strip-shaped tipping paper (10), as well as to punch holes between adjacent sections on the same invisible window portion (9).

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