Hollow filter stick forming mandrel
By designing a hollow filter rod forming mandrel that includes transition sections and replacement structures, the problems of fixing and difficult to replace the existing mandrel shape are solved, and flexible replacement of mandrels and diversity in cigarette filter plate production are achieved.
Patent Information
- Application Number
- CN202421612900.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-09
- Publication Date
- 2025-04-29
- Estimated Expiration
- 2034-07-09
AI Technical Summary
The shape of the existing hollow filter rod forming mandrel is mostly circular, which is difficult to meet the cigarette production of different needs, and the connection method of the mandrel is usually in a fixed state, which is difficult to remove and replace.
A hollow filter rod forming mandrel is designed, adopting a transition section and replacement structure, including screws, gears, limit rings, rotary rods, threaded sleeves, hinged rods, movable plates, limit plates and insertion rods. Through the cooperation of these components, the flexible replacement of the mandrel is achieved.
It realizes flexible replacement of mandrels, adapts to the needs of hollow filter rods of different shapes, and improves the diversity and efficiency of cigarette filter plate production.
Smart Images
Figure CN222803878U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of hollow filter rods, in particular to a hollow filter rod forming core shaft. Background Art
[0002] The cigarette filter is the filter rod, which is made of cigarette tow and filter rod forming paper, and is processed, rolled and cut. With the development of tobacco technology, hollow filter rods are used more and more in conventional cigarettes. At the same time, the demand for them from new tobacco is also increasing. In addition to improving filtration efficiency and adjusting filter rod suction resistance, hollow filter rods can also enrich smoke levels and optimize the suction experience. The forming of hollow filter rods requires the use of a core shaft for shaping.
[0003] Most hollow filter rods are usually in a circular hollow state, so the shape of the core shaft is also circular. When cigarettes with different requirements are produced, core shafts of different shapes are required. The connection method of the core shaft is mostly fixed, and it is difficult to remove the core shaft from the equipment. Therefore, a hollow filter rod forming core shaft is proposed to solve the above problem. Utility Model Content
[0004] In view of the deficiencies in the prior art, the utility model provides a hollow filter rod forming core shaft, which has the advantages of easy replacement of the core shaft, etc., and solves the problem that most hollow filter rods are usually in a circular hollow state, so the shape of the core shaft is also circular. When cigarettes with different requirements are produced, core shafts of different shapes are required, and the connection method of the core shaft is mostly fixed, making it difficult to remove the core shaft from the equipment.
[0005] To achieve the above object, the utility model provides the following technical solution: a hollow filter rod forming mandrel, comprising a connecting section, a transition section is arranged outside the connecting section, a mandrel body is arranged inside the transition section, and a replacement structure is arranged inside the transition section;
[0006] The replacement structure includes a screw, a first gear, a second gear, a limit ring, a rotating rod, a threaded sleeve, a hinged rod, a movable plate, a limit plate and an insertion rod. The transition section is movably installed with a screw inside, the screw is fixedly installed with a first gear outside, the first gear is meshed with a second gear outside, the transition section is fixedly installed with a limit ring inside, the second gear is fixedly installed outside, the screw is threadedly connected with a threaded sleeve outside, the threaded sleeve is hinged to the hinged rod outside, the hinged rod is hinged to the movable plate outside, the transition section is fixedly installed with a limit plate inside, and the movable plate is fixedly installed with an insertion rod outside.
[0007] Furthermore, the screw rod passes through the first gear and is fixedly connected to the first gear, and the rotating rod passes through the limiting ring and is movably connected to the limiting ring.
[0008] Furthermore, the number of the hinged rods is two, and the two hinged rods are respectively located on the upper and lower sides of the threaded sleeve.
[0009] Furthermore, the number of the movable plates is two, the exteriors of the two movable plates are provided with sliding blocks, and the interior of the transition section is provided with a sliding groove.
[0010] Furthermore, the slider is slidably connected to the slide groove, the number of the limiting plates is two, and the two limiting plates are respectively close to the two movable plates.
[0011] Furthermore, a connecting block is provided on the left side of the core shaft body, a clamping groove is provided on the outside of the connecting block, and the insertion rod passes through the transition section and is clamped in the clamping groove.
[0012] Compared with the prior art, the technical solution of this application has the following beneficial effects:
[0013] The hollow filter rod forming core shaft rotates the rotating rod to drive the second gear to rotate, so that the first gear follows the rotation of the second gear, drives the screw rod to rotate, and at the same time makes the threaded sleeve move left and right. When the hinged rod moves, it will drive the movable plate and the insertion rod to move at the same time. When the insertion rod is plugged into the connecting block on the left side of the core shaft body, the core shaft body can be fixed. When the insertion rod is away from the connecting block, the core shaft bodies of different specifications can be replaced, so that the production of cigarette filter plates can be more diversified. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 This is a cross-sectional view of the structure of the utility model;
[0015] Figure 2 This is a side view of the structure of the utility model;
[0016] Figure 3 This is an enlarged view of the replacement structure of the utility model.
[0017] In the figure: 1, connecting section; 2, transition section; 3, core shaft body; 4, replacement structure; 401, screw; 402, first gear; 403, second gear; 404, limit ring; 405, rotating rod; 406, threaded sleeve; 407, hinged rod; 408, movable plate; 409, limit plate; 410, plug rod. DETAILED DESCRIPTION
[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0019] See also Figure 1-3 A hollow filter rod forming core shaft in this embodiment includes a connecting section 1, a transition section 2 is arranged outside the connecting section 1, a core shaft body 3 is arranged inside the transition section 2, and a replacement structure 4 is arranged inside the transition section 2.
[0020] The replacement structure 4 includes a screw 401, a first gear 402, a second gear 403, a limit ring 404, a rotating rod 405, a threaded sleeve 406, a hinged rod 407, a movable plate 408, a limit plate 409 and an insertion rod 410. The transition section 2 is movably installed with the screw 401 inside, the first gear 402 is fixedly installed outside the screw 401, the second gear 403 is meshed outside the first gear 402, the transition section 2 is fixedly installed with the limit ring 404 inside, the second gear 403 is fixedly installed outside the rotating rod 405, the screw 401 is threadedly connected to the outside of the threaded sleeve 406, the outside of the threaded sleeve 406 is hinged to the hinged rod 407, the outside of the hinged rod 407 is hinged to the movable plate 408, the transition section 2 is fixedly installed with the limit plate 409, and the movable plate 408 is fixedly installed with the insertion rod 410 outside.
[0021] exist Figure 3 In the embodiment, the rotating rod 405 passes through the transition section 2 and extends to the outside of the transition section 2. By rotating the rotating rod 405, the screw rod 401 can be driven to rotate, and the position of the insertion rod 410 can be adjusted.
[0022] exist Figure 3 In the transition section 2, the slide groove inside limits the movement of the movable plate 408 to prevent the movable plate 408 from deviating, causing the insertion rod 410 to be unable to move along the normal trajectory.
[0023] exist Figure 3 In the figure, the insertion rod 410 passes through the limiting plate 409 and is movably connected to the limiting plate 409. When the insertion rod 410 exits the connecting block on the left side of the core shaft body 3, the insertion rod 410 can be limited by the limiting plate 409.
[0024] To sum up, the hollow filter rod forming core shaft rotates the rotating rod 405, drives the second gear 403 to rotate, so that the first gear 402 follows the rotation of the second gear 403, drives the screw 401 to rotate, and at the same time makes the threaded sleeve 406 move left and right. When the hinge rod 407 moves, it will drive the movable plate 408 and the plug rod 410 to move at the same time. When the plug rod 410 is plugged into the connecting block on the left side of the core shaft body 3, the core shaft body 3 can be fixed. When the plug rod 410 is away from the connecting block, the core shaft body 3 of different specifications can be replaced, so that the production of cigarette filter plates can be more diversified, and the problem that most hollow filter rods are usually in a circular hollow state, so the shape of the core shaft is also in a circular state. When cigarettes with different requirements are produced, core shafts of different shapes are required, and the connection method of the core shaft is mostly in a fixed state, and it is difficult to remove the core shaft from the equipment.
[0025] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.
[0026] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A hollow filter rod forming core shaft, comprising a connecting section (1), characterized in that: A transition section (2) is arranged outside the connecting section (1), a core shaft body (3) is arranged inside the transition section (2), and a replacement structure (4) is arranged inside the transition section (2); The replacement structure (4) comprises a screw rod (401), a first gear (402), a second gear (403), a limiting ring (404), a rotating rod (405), a threaded sleeve (406), a hinged rod (407), a movable plate (408), a limiting plate (409) and an insert rod (410); the screw rod (401) is movably mounted inside the transition section (2); the first gear (402) is fixedly mounted outside the screw rod (401); the second gear (403) is meshed with the outside of the first gear (402); A limiting ring (404) is fixedly installed inside the transition section (2), a rotating rod (405) is fixedly installed outside the second gear (403), the external thread of the screw rod (401) is connected to a threaded sleeve (406), the external part of the threaded sleeve (406) is hinged with a hinged rod (407), the external part of the hinged rod (407) is hinged with a movable plate (408), a limiting plate (409) is fixedly installed inside the transition section (2), and an insert rod (410) is fixedly installed outside the movable plate (408).
2. The hollow filter rod forming mandrel according to claim 1, characterized in that: The screw rod (401) passes through the first gear (402) and is fixedly connected to the first gear (402), and the rotating rod (405) passes through the limiting ring (404) and is movably connected to the limiting ring (404).
3. The hollow filter rod forming mandrel according to claim 1, characterized in that: There are two hinged rods (407), and the two hinged rods (407) are respectively located on the upper and lower sides of the threaded sleeve (406).
4. The hollow filter rod forming mandrel according to claim 1, characterized in that: There are two movable plates (408), the outsides of the two movable plates (408) are each provided with a sliding block, and the inside of the transition section (2) is provided with a sliding groove.
5. The hollow filter rod forming mandrel according to claim 4, characterized in that: The slider is slidably connected to the slide groove, and there are two limit plates (409), and the two limit plates (409) are respectively close to the two movable plates (408).
6. The hollow filter rod forming mandrel according to claim 1, characterized in that: A connecting block is provided on the left side of the spindle body (3), a clamping groove is provided on the outside of the connecting block, and the insert rod (410) passes through the transition section (2) and is clamped in the clamping groove.