Venturi filter stick preparation device
The cyclic reciprocating motion of the mandrel is achieved by a customized trajectory cam system driven by a servo motor, which solves the problem of poor cavity adaptability in traditional filter rod molding, improves the consistency and yield of filter rod molding, and meets the production needs of complex cavity structures.
Patent Information
- Application Number
- CN202511305700.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-09-12
- Publication Date
- 2025-11-07
- Estimated Expiration
- Not applicable · inactive patent
AI Technical Summary
Existing filter rod structures have limitations in airflow guidance and mixing control. Traditional static mandrel designs are difficult to meet the molding requirements of Venturi-type non-uniform cavities, resulting in internal cavity deformation, structural asymmetry, and impact on production stability and performance. Flexible mandrels or external airflow-assisted molding processes are complex and have low control precision.
A custom trajectory cam system driven by a servo motor is used to realize the periodic reciprocating motion of the mandrel. The stroke, speed and acceleration of the mandrel are precisely controlled by the mounting components and driving components to match the complex shape and size changes of the hollow cavity in the Venturi structure, ensuring the consistency of filter rod forming.
It significantly improves the consistency and yield of filter rod molding, ensures the accuracy and consistency of core rod movement, adapts to core rod fixing of different diameters, simplifies the operation process, and improves production stability and quality control precision.
Smart Images
Figure CN120899015A_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the technical field of filter rod forming equipment, in particular to a Venturi filter rod preparation device. BACKGROUND
[0002] The existing filter rod structure is mostly a conventional cylindrical cellulose acetate filter rod, a hollow filter rod or a multi-section composite filter rod. Although this kind of filter rod can achieve the blocking and adjustment of smoke to a certain extent, it still has limitations in improving the control ability of smoke dynamics, especially in the control of airflow guiding and mixing.
[0003] The traditional hollow filter rod production scheme generally adopts a static core rod design, which is only suitable for a cavity with symmetrical structure and fixed size, and is difficult to meet the forming requirements of a Venturi type non-uniform cavity. When forcibly adapted, not only is the inner cavity prone to deformation and asymmetry in structure, but also the production stability and filter rod performance are seriously affected. At the same time, some designs attempt to use flexible core rods or external airflow assisted forming to cope with complex cavity structures, which is complex in process and low in control precision, and is prone to quality fluctuations.
[0004] The present application aims to provide a Venturi filter rod preparation device, which realizes the periodic reciprocating motion of the core rod, perfectly matches the requirements of the complex shape and frequent size changes of the hollow cavity in the Venturi structure, and ensures the precise controllability of the stroke, speed and acceleration of the core rod during the motion process, thereby significantly improving the consistency and yield of filter rod forming. SUMMARY
[0005] The present application aims to provide a Venturi filter rod preparation device, which realizes the periodic reciprocating motion of the core rod, perfectly matches the requirements of the complex shape and frequent size changes of the hollow cavity in the Venturi structure, and ensures the precise controllability of the stroke, speed and acceleration of the core rod during the motion process, thereby significantly improving the consistency and yield of filter rod forming.
[0006] To achieve the above-mentioned purpose, the present application provides a Venturi filter rod preparation device, comprising an operation table, a servo motor, a connecting block, a customized trajectory cam, a core rod, a mounting member and a driving member, the servo motor is fixedly connected with the operation table and located on one side of the operation table, the connecting block is fixedly connected with the operation table and located on one side of the operation table, the customized trajectory cam is arranged on the connecting block, the output end of the servo motor is connected with the customized trajectory cam, the mounting member is arranged on the operation table, the core rod is detachably connected with the mounting member, and the driving member is connected with the customized trajectory cam.
[0007] The mounting member comprises a positioning seat and a linear track, the positioning seat is fixedly connected with the operation table and located on one side of the operation table, and the linear track is arranged on the positioning seat.
[0008] The straight rail is provided with a clamping plate, the clamping plate is arranged on the straight rail, and the mandrel is detachably arranged on the clamping plate.
[0009] The driving member comprises a connecting shaft, an annular track and a threaded shaft, the connecting shaft is fixedly connected with the customized track cam and located on one side of the customized track cam, the threaded shaft is threadedly connected with the straight rail and rotationally connected with the positioning seat, and the annular track is threadedly connected with the connecting shaft and the threaded shaft.
[0010] The Venturi filter rod preparation device further comprises a protection assembly, and the protection assembly is arranged on the operation table.
[0011] The protection assembly comprises a dustproof plate and a protection plate, the dustproof plate is fixedly connected with the operation table and located on one side of the operation table, and the protection plate is fixedly connected with the operation table and located on the side, away from the dustproof plate, of the operation table.
[0012] A dustproof pad is arranged on the dustproof plate, the dustproof pad is detachably connected with the dustproof plate and located on one side of the dustproof plate.
[0013] A threaded rod is arranged on the clamping plate, the threaded rod is threadedly connected with the clamping plate and located on one side of the clamping plate.
[0014] An arc-shaped plate is arranged on the threaded rod, the arc-shaped plate is fixedly connected with the threaded rod and located on one side of the threaded rod.
[0015] The Venturi filter rod preparation device comprises an operation table, a servo motor, a connecting block, a customized track cam, a mandrel, a mounting member and a driving member, after the mandrel is installed in the process of using the device, the servo motor is started, the servo motor drives the customized track cam to rotate, so that the customized track coating drives the driving member to work, the driving member drives the mandrel to move through the mounting member, the periodic reciprocating motion of the mandrel is realized, and therefore the consistency and yield of filter rod forming are significantly improved. BRIEF DESCRIPTION OF DRAWINGS
[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or the prior art description will be briefly introduced.
[0017] Figure 1 is the overall structure schematic diagram of the Venturi filter rod preparation device of the first embodiment of the present application.
[0018] Figure 2is the overall front view of the Venturi filter rod preparation device of the first embodiment of the application.
[0019] Figure 3 is the overall structure schematic view of the Venturi filter rod preparation device of the second embodiment of the application.
[0020] Figure 4 is the overall rear view of the Venturi filter rod preparation device of the second embodiment of the application.
[0021] Figure 5 is the structure schematic view of the clamping plate of the third embodiment of the application.
[0022] In the figure: 101 - operation table, 102 - servo motor, 103 - connecting block, 104 - customized track cam, 105 - core rod, 106 - positioning seat, 107 - straight rail, 108 - clamping plate, 109 - connecting shaft, 110 - annular rail, 111 - threaded shaft, 201 - dustproof plate, 202 - protective plate, 203 - dustproof pad, 301 - threaded rod, 302 - arc plate. DETAILED DESCRIPTION
[0023] The embodiments of the application are described in detail below, examples of which are shown in the accompanying drawings, the embodiments described below by referring to the accompanying drawings are exemplary, and are intended to explain the application, and cannot be understood as a limitation of the application.
[0024] The first embodiment of the present application is: Please refer to Figure 1 and Figure 2 , wherein Figure 1 is the overall structure schematic view of the Venturi filter rod preparation device, Figure 2It is the overall front view of the Venturi filter rod preparation device. The present application provides a kind of Venturi filter rod preparation device: including operation platform 101, servo motor 102, connecting block 103, customized track cam 104, core rod 105, installation component and driving component, the installation component includes positioning seat 106 and straight rail 107, the straight rail 107 is provided with clamping plate 108, the driving component includes connecting shaft 109, annular track 110 and threaded shaft 111. The foregoing scheme solves the problem that the conventional hollow filter rod production scheme generally adopts static core rod 105 design, is only suitable for symmetrical structure, fixed size cavity, it is difficult to meet the forming demand of Venturi type non-uniform cavity. When forced to adapt, not only can it easily lead to internal cavity deformation, structure asymmetry, but also can seriously affect the production stability and filter rod performance. At the same time, some designs try to use flexible core rod 105 or external airflow assisted forming to cope with complex cavity structure, and the process is complex, the control precision is low, and quality fluctuation is easy to introduce. It can be understood that the foregoing scheme can be used to realize the periodic reciprocating motion of core rod 105, perfectly match the requirements of complex hollow cavity shape and frequent size changes in Venturi structure, ensure the stroke, speed and acceleration of core rod 105 in the process of motion Precise control, thereby significantly improving the consistency and yield of filter rod forming, it can also be used to clamp and fix core rod 105 of different diameters, simple operation.
[0025] For this specific embodiment, the servo motor 102 is fixedly connected with the operating table 101 and located on one side of the operating table 101, the connecting block 103 is fixedly connected with the operating table 101 and located on one side of the operating table 101, the customized trajectory cam 104 is arranged on the connecting block 103, the output end of the servo motor 102 is connected with the customized trajectory cam 104, the mounting member is arranged on the operating table 101, the mandrel 105 is detachably connected with the mounting member, the driving member is connected with the customized trajectory cam 104, the lower surface right side of the operating table 101 is provided with the servo motor 102, the upper surface right side of the operating table 101 is fixedly provided with the connecting block 103, the positioning trajectory cam is located above the connecting block 103, the output end of the servo motor 102 penetrates through the connecting block 103 and is connected with the bottom of the customized trajectory cam 104, so that when the servo motor 102 is started, the customized trajectory cam 104 can be driven to rotate, the customized trajectory cam 104 rotates to drive the driving member to work, the driving member is used in cooperation with the mounting member, the mandrel 105 is installed on the mounting member, so that the driving member drives the mounting member to move horizontally and transversely, thereby driving the mandrel 105 to move, realizing the reciprocating motion of the mandrel 105, thereby accurately transmitting the motion trajectory and ensuring the accuracy and consistency of the motion of the mandrel 105. During the use of the device, after the mandrel 105 is installed, the servo motor 102 is started, the servo motor 102 drives the customized trajectory cam 104 to rotate, so that the customized trajectory coating drives the driving member to work, the driving member drives the mandrel 105 to move through the mounting member, realizing the periodic reciprocating motion of the mandrel 105, thereby significantly improving the consistency and yield of the filter rod forming.
[0026] Among them, the positioning seat 106 is fixedly connected with the operating table 101 and located on one side of the operating table 101; the straight rail 107 is arranged on the positioning seat 106; the clamping plate 108 is arranged on the straight rail 107, and the mandrel 105 is detachably arranged on the clamping plate 108; two positioning seats 106 are fixedly arranged on the left side of the upper surface of the operating table 101, the straight rail 107 is connected above the two positioning seats 106, the clamping plate 108 is arranged on the straight rail 107, and the mandrel 105 is inserted into the clamping plate 108, thereby completing the installation of the mandrel 105; the clamping plate 108 is driven by the driving member, so that the clamping plate 108 moves on the straight rail 107, thereby driving the clamping plate 108 to make the mandrel 105 reciprocate along the predetermined trajectory, thereby accurately transmitting the motion trajectory and ensuring the accuracy and consistency of the motion of the mandrel 105.
[0027] Secondly, the connecting shaft 109 is fixedly connected with the customized track cam 104 and located at one side of the customized track cam 104; the threaded shaft 111 is threadedly connected with the linear track 107 and rotationally connected with the positioning seat 106; the annular track 110 is threadedly connected with the connecting shaft 109 and the threaded shaft 111, the connecting shaft 109 is arranged at the center of the upper surface of the positioning track cam, the threaded shaft 111 is fixed on the upper surface of the positioning seat 106 on the right side of the operation table 101, the threaded shaft 111 is located in the linear track 107, the outer surface of the threaded shaft 111 is threadedly connected with the linear track 107, so that when the threaded shaft 111 rotates, the linear track 107 can be driven to move, so that the clamping plate 108 moves on the linear track 107, the threaded shaft 111 and the connecting shaft 109 are respectively arranged at two ends of the annular track 110, so that when the servo motor 102 is started, the customized track cam 104 is driven to rotate the connecting shaft 109, so that the connecting shaft 109 drives the annular track 110 to rotate, so that the annular track 110 drives the threaded shaft 111 to rotate, and then the threaded shaft 111 drives the linear track 107 to move, through the cooperation of the customized track cam 104 and the linear track 107, the movement of the core rod 105 is controlled, the precise power output ensures that the movement parameters of the core rod 105 are highly matched with the demand of filter rod forming, and it is the core power guarantee for realizing stable production of complex cavity structure of Venturi hollow filter rod.
[0028] When using the Venturi filter rod preparation device of the embodiment, after the core rod 105 is installed, the servo motor 102 is started, the servo motor 102 drives the customized track cam 104 to rotate, so that the customized track coating drives the driving member to work, the driving member drives the core rod 105 to move through the mounting member, and the periodic reciprocating movement of the core rod 105 is realized, so that the consistency and yield of filter rod forming are significantly improved.
[0029] The second embodiment of the application is: On the basis of the first embodiment, please refer to Figure 3 and Figure 4 , Figure 3 is a schematic view of the overall structure of the Venturi filter rod preparation device of the second embodiment, Figure 4is an overall back view of a Venturi filter rod preparation device of a second embodiment, the Venturi filter rod preparation device of the embodiment further comprises a protection assembly, the protection assembly comprises a dustproof plate 201 and a protection plate 202, and the dustproof plate 201 is provided with a dustproof pad 203.
[0030] For the specific embodiment, the protection assembly is arranged on the operation table 101; the dustproof plate 201 is fixedly connected with the operation table 101 and located on one side of the operation table 101; the protection plate 202 is fixedly connected with the operation table 101 and located on a side of the operation table 101 away from the protection plate 202, the dustproof plate 201 and the protection plate 202 jointly constitute the protection assembly, the top end of the operation table 101 is welded with the dustproof plate 201, the dustproof plate 201 is folded and spliced by two straight plates, so as to reduce the contact area of dust in the air on the operation table 101, play a dustproof role, and the lower surface of the operation table 101 is welded with the protection plate 202, the arrangement of the protection plate 202 isolates the parts and the workers at both ends, so that the device avoids part ejection during operation and protects the workers.
[0031] The dustproof pad 203 is detachably connected with the dustproof plate 201 and located on one side of the dustproof plate 201, the upper surface of the dustproof plate 201 is provided with the dustproof pad 203, the dustproof pad 203 is made of soft rubber material and has the characteristics of dustproof and wear-resistant, so that most of the dust is adsorbed by the dustproof pad 203 during long-term use of the device, and the dust removal effect is improved and the possibility of device aging is reduced due to the detachable arrangement of the dustproof pad 203.
[0032] When the Venturi filter rod preparation device of the embodiment is used, the arrangement of the protection plate 202 isolates the parts and the workers at both ends, so that the device avoids part ejection during operation and protects the workers, the dustproof plate 201 and the dustproof pad 203 are arranged on the operation table 101, so that most of the dust is adsorbed by the dustproof pad 203 during long-term use of the device, and the dust removal effect is improved and the possibility of device aging is reduced due to the detachable arrangement of the dustproof pad 203.
[0033] The third embodiment of the application is: On the basis of the first embodiment, please refer to Figure 5 , Figure 5 is a structural schematic view of a clamping plate of the third embodiment, and the clamping plate 108 of the embodiment is provided with a threaded rod 301, and the threaded rod 301 is provided with an arc-shaped plate 302.
[0034] For this specific embodiment, the threaded rod 301 is threadedly connected with the clamping plate 108 and located on one side of the clamping plate 108; the arc-shaped plate 302 is fixedly connected with the threaded rod 301 and located on one side of the threaded rod 301, the clamping plate 108 is provided with an annular groove, so that the mandrel 105 can be placed in the annular groove, one side of the clamping plate 108 is provided with the threaded rod 301, and the end of the threaded rod 301 is fixed with the arc-shaped plate 302, the arc-shaped plate 302 has a small arc, so that when the threaded rod 301 is rotated, the threaded rod 301 drives the arc-shaped plate 302 to move towards the mandrel 105 under the threaded drive of the clamping plate 108, until the arc-shaped plate 302 abuts against the outer surface of the mandrel 105, so that the mandrel 105 with different diameters can be fixed, improving the processing effect.
[0035] When using the Venturi filter rod preparation device of the present embodiment, the mandrel 105 is clamped in the clamping plate 108, the threaded rod 301 is rotated, so that the threaded rod 301 drives the arc-shaped plate 302 to move towards the mandrel 105 under the threaded drive of the clamping plate 108, until the arc-shaped plate 302 abuts against the outer surface of the mandrel 105, so that the mandrel 105 with different diameters can be clamped and fixed, thereby improving the processing effect.
[0036] The above disclosure is only one or more preferred embodiments of the present application, and cannot be used to limit the scope of the rights of the present application. Those skilled in the art can understand that the above-mentioned embodiments can be implemented in whole or in part, and equivalent changes made in accordance with the claims of the present application still fall within the scope of the present application.
Claims
1. A Venturi filter rod making apparatus characterized by, The operation table, servo motor, connecting block, customized trajectory cam, mandrel, mounting member and driving member are fixedly connected with the operation table and located on one side of the operation table, the connecting block is fixedly connected with the operation table and located on one side of the operation table, the customized trajectory cam is arranged on the connecting block, the output end of the servo motor is connected with the customized trajectory cam, the mounting member is arranged on the operation table, the mandrel is detachably connected with the mounting member, and the driving member is connected with the customized trajectory cam.
2. The venturi filter rod manufacturing device according to claim 1, wherein the mounting member comprises a positioning seat and a linear track, the positioning seat is fixedly connected with the operation table and located on one side of the operation table, and the linear track is arranged on the positioning seat.
3. The venturi filter rod manufacturing device according to claim 2, wherein a clamping plate is arranged on the linear track, the clamping plate is arranged on the linear track, and the mandrel is detachably arranged on the clamping plate.
4. The venturi filter rod manufacturing device according to claim 3, wherein the driving member comprises a connecting shaft, an annular track and a threaded shaft, the connecting shaft is fixedly connected with the customized trajectory cam and located on one side of the customized trajectory cam, the threaded shaft is threadedly connected with the linear track and rotationally connected with the positioning seat, and the annular track is threadedly connected with the connecting shaft and the threaded shaft.
5. The venturi filter rod manufacturing device according to claim 1, wherein the venturi filter rod manufacturing device further comprises a protection assembly, and the protection assembly is arranged on the operation table.
6. The venturi filter rod manufacturing device according to claim 5, wherein the protection assembly comprises a dustproof plate and a protection plate, the dustproof plate is fixedly connected with the operation table and located on one side of the operation table, and the protection plate is fixedly connected with the operation table and located on the side of the operation table away from the dustproof plate.
7. The venturi filter rod manufacturing device according to claim 6, wherein a dustproof pad is arranged on the dustproof plate, and the dustproof pad is detachably connected with the dustproof plate and located on one side of the dustproof plate.
8. The venturi filter rod manufacturing device according to claim 3, wherein a threaded rod is arranged on the clamping plate, and the threaded rod is threadedly connected with the clamping plate and located on one side of the clamping plate.
9. The venturi filter rod manufacturing device according to claim 8, wherein an arc-shaped plate is arranged on the threaded rod, and the arc-shaped plate is fixedly connected with the threaded rod and located on one side of the threaded rod.