Guiding equipment and filter stick forming device

Abstract

The utility model relates to guide equipment and a filter stick forming device, the guide equipment comprises a base, a guide roller assembly comprises two guide rollers arranged at intervals in the first direction, each guide roller comprises a guide shaft and two check blocks arranged at intervals in the second direction, the guide shafts extend in the second direction, the guide shafts penetrate through the base, and the check blocks are arranged on the guide shafts; the two check blocks are arranged on the same side of the base in the second direction and arranged on the periphery of the guide shaft in a sleeving mode. The positioning assembly comprises two positioning pieces, the two positioning pieces and the two guide rollers are arranged correspondingly, each positioning piece comprises a positioning part, the positioning parts are connected with the base, and each positioning part is located on the side, away from the other guide shaft in the first direction, of the corresponding guide shaft and clamped between the two check blocks on the corresponding guide shaft. In conclusion, according to the guiding equipment in the embodiment, the positioning parts are clamped between the two stop blocks on the corresponding guiding shafts, and rapid installation of the guiding equipment can be achieved.

Description

Technical Field

[0001] This application relates to the field of filter rod forming technology, and in particular to a guiding device and a filter rod forming apparatus. Background Technology

[0002] In cigarette filter rod production equipment, during the production of fiber filter rods, a guiding assembly is typically used to transport the paper rolls needed to wrap the cigarette tow. In related technologies, the guiding assembly includes a guide roller with an annular guide groove on its outer circumference. The annular guide groove is positioned around the axis of the guide roller, and the paper roll is located within the annular guide groove, moving in a fixed direction under its constraint. However, during installation, workers usually need to manually determine the installation position of the guide roller using a steel ruler or vernier calipers to ensure that the paper roll accurately fits into the annular guide groove. The disassembly and installation of the guide roller is relatively cumbersome, resulting in time-consuming and labor-intensive assembly of the guiding assembly. Utility Model Content

[0003] Therefore, it is necessary to propose a guiding device and filter rod forming apparatus to address the problem of time-consuming and labor-intensive assembly of current guiding components.

[0004] A guiding device, comprising:

[0005] Base;

[0006] A guide roller assembly includes two guide rollers spaced apart along a first direction. Each guide roller includes a guide shaft and two stops spaced apart along a second direction. The first direction and the second direction are intersecting. The guide shaft extends along the second direction, passes through a base, and is configured to rotate about its own axis. The two stops are located on the same side of the base along the second direction and are both sleeved on the outer periphery of the guide shaft.

[0007] The positioning assembly includes two positioning members, which are correspondingly arranged with the two guide rollers. Each positioning member includes a positioning part, which is connected to the base. Each positioning part is located on the side of the corresponding guide shaft away from the other guide shaft along the first direction and is engaged between the two stops on the corresponding guide shaft.

[0008] In one embodiment, the positioning part contacts the two stops on the corresponding guide shaft on opposite sides along the second direction.

[0009] In one embodiment, the positioning part has a groove on one side of the corresponding guide shaft along the first direction, and the groove wall matches the outer periphery of the guide shaft portion located between the two stops.

[0010] In one embodiment, the groove walls on opposite sides of the third direction contact the guide shaft on opposite sides of the third direction, and both the first direction and the second direction intersect the third direction.

[0011] In one embodiment, the groove extends along the second direction.

[0012] In one embodiment, the positioning member includes a connecting portion extending along the second direction, the connecting portion being located on the side of the positioning portion away from the corresponding guide shaft along the first direction, and one end of the connecting portion being connected to the base.

[0013] In one embodiment, the distance between the side of the stop block away from the guide shaft along the first direction and the axis of the guide shaft is a first value;

[0014] The distance between the positioning part and the axis of the guide shaft on the side away from the guide shaft along the first direction is a second value, and the second value is greater than or equal to the first value.

[0015] In one embodiment, the dimension of the connecting portion in the second direction is a third value, which is equal to the sum of a fourth value and a fifth value;

[0016] The fourth value is greater than or equal to 80mm, and the fifth value is half the size of the gap between the two blocks in the second direction.

[0017] In one embodiment, the guide shaft is provided with two first threaded holes arranged along the second direction, the first threaded holes extending radially along the guide shaft;

[0018] The two stops on the guide shaft are provided with second threaded holes, and the two second threaded holes are corresponding to the two first threaded holes. Each second threaded hole is coaxially arranged with the corresponding first threaded hole and is interconnected with it.

[0019] Each of the second threaded holes is internally threaded with a fastener, one end of which extends into the corresponding first threaded hole and is threadedly connected to the first threaded hole.

[0020] In this embodiment, the guiding device positions the paper disc between two guide shafts and engages with two stops on each guide shaft. During operation, one guide shaft rotates clockwise around its own axis, and the other rotates counter-clockwise. During this process, the outer circumference of each guide shaft rubs against the side of the paper disc closest to that shaft, and each guide shaft applies a tangential frictional force along its outer circumference to the paper disc, propelling it along the direction of the frictional force. As the paper disc moves, the two stops on the guide shafts guide it, preventing it from sliding along the second direction on the outer circumference of the guide shaft and ensuring that the paper disc slides stably along the outer circumference of the guide shaft in a direction perpendicular to both the first and second directions.

[0021] When repairing the guide rollers, the workers loosen the connection between the positioning part and the base in each positioning component, remove the positioning part from between the two stops on the corresponding guide shaft, and then remove the guide shaft from the base. The guide shaft and the stops on the guide shaft are then repaired. After the repair is completed, when reassembling the guiding equipment, the workers first insert the guide shaft into the base along the second direction, reconnect the positioning part to the base, then place the first stop on the outer periphery of the part of the guide shaft outside the base, and adjust the position of the base on the guide shaft along the second direction so that the side of the positioning part closer to the base along the second direction contacts the side of the first stop away from the base along the second direction. Then, the second stop is placed on the guide shaft so that the side of the second stop closer to the base along the second direction contacts the side of the positioning part away from the base along the second direction. Throughout the entire process described above, the position of the stops is determined by the positioning unit, which maintains a constant position relative to the base. Each time the guide rollers are reinstalled, the operator can quickly determine the position of the base on the guide shaft by installing the positioning unit, and then quickly adjust the two stops in the guide rollers to the target position of the base in the second direction. The entire process requires relatively little time, manpower, and resources.

[0022] In summary, the guiding device in this embodiment, by setting a positioning component, including a positioning part connected to the base, and the positioning part engaging between two stops on the corresponding guide shaft, can achieve rapid installation of the guiding device.

[0023] This application also proposes a filter rod forming apparatus, including the guiding device described in any of the above claims.

[0024] In this embodiment, the filter rod forming device has a disc of paper positioned between two guide shafts and engaged between two stops on each guide shaft. During operation, one guide shaft rotates clockwise around its own axis, and the other rotates counter-clockwise. During this process, the outer circumference of each guide shaft rubs against the side of the disc of paper closest to that shaft, and each guide shaft applies a tangential frictional force along its outer circumference to the disc of paper, propelling it along the direction of the frictional force. As the disc of paper moves, the two stops on the guide shafts guide it, preventing it from sliding along the second direction on the outer circumference of the guide shaft and ensuring that the disc of paper slides stably along the outer circumference of the guide shaft in a direction perpendicular to both the first and second directions.

[0025] When repairing the guide rollers, the workers loosen the connection between the positioning part and the base in each positioning component, remove the positioning part from between the two stops on the corresponding guide shaft, and then remove the guide shaft from the base. The guide shaft and the stops on the guide shaft are then repaired. After the repair is completed, when reassembling the guiding equipment, the workers first insert the guide shaft into the base along the second direction, reconnect the positioning part to the base, then place the first stop on the outer periphery of the part of the guide shaft outside the base, and adjust the position of the base on the guide shaft along the second direction so that the side of the positioning part closer to the base along the second direction contacts the side of the first stop away from the base along the second direction. Then, the second stop is placed on the guide shaft so that the side of the second stop closer to the base along the second direction contacts the side of the positioning part away from the base along the second direction. Throughout the entire process described above, the position of the stops is determined by the positioning unit, which maintains a constant position relative to the base. Each time the guide rollers are reinstalled, the operator can quickly determine the position of the base on the guide shaft by installing the positioning unit, and then quickly adjust the two stops in the guide rollers to the target position of the base in the second direction. The entire process requires relatively little time, manpower, and resources.

[0026] In summary, the filter rod forming device in this embodiment, by setting a positioning component, including a positioning part connected to the base, and the positioning part engaging between two stops on the corresponding guide shaft, can achieve rapid installation of the guiding device. Attached Figure Description

[0027] To more clearly illustrate the technical solutions in the embodiments or exemplary embodiments of this application, the drawings used in the description of the embodiments or exemplary embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0028] Figure 1This is a diagram showing the result of a guiding device in one embodiment of this application.

[0029] Figure 2 for Figure 1 The diagram shows the structure of the positioning component in the guiding device.

[0030] Figure label:

[0031] Guiding equipment 1;

[0032] Base 10;

[0033] Guide roller assembly 20, guide roller 210, guide shaft 211, stop block 212, second threaded hole 213;

[0034] Positioning component 30, positioning element 310, positioning part 311, groove 312, connecting part 313. Detailed Implementation

[0035] To make the above-mentioned objectives, features, and advantages of this application more apparent and understandable, the specific embodiments of this application are described in detail below with reference to the accompanying drawings. Many specific details are set forth in the following description to provide a thorough understanding of this application. However, this application can be implemented in many other ways different from those described herein, and those skilled in the art can make similar modifications without departing from the spirit of this application. Therefore, this application is not limited to the specific embodiments disclosed below.

[0036] In the description of this application, it should be understood that if terms such as "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" appear, these terms indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this application.

[0037] Furthermore, where the terms "first" and "second" appear, these terms are for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined with "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this application, where the term "multiple" appears, "multiple" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0038] In this application, unless otherwise expressly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise expressly limited. Those skilled in the art can understand the specific meaning of the above terms in this application based on the specific circumstances.

[0039] In this application, unless otherwise expressly specified and limited, the use of descriptions such as "above" or "below" the second feature indicates that the first and second features are in direct contact or indirect contact via an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. Similarly, "below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.

[0040] It should be noted that if an element is referred to as being "fixed to" or "set on" another element, it can be directly on the other element or there may be an intervening element. If an element is considered to be "connected to" another element, it can be directly connected to the other element or there may be an intervening element. If so, the terms "vertical," "horizontal," "upper," "lower," "left," "right," and similar expressions used in this application are for illustrative purposes only and do not represent the only possible implementation.

[0041] Please see Figure 1 and Figure 2 , Figure 1A guiding device according to an embodiment of this application is shown. An embodiment of this application provides a guiding device 1, comprising: a base 10, a guide roller assembly 20, and a positioning assembly 30. The guide roller assembly 20 includes two guide rollers 210 spaced apart along a first direction. Each guide roller 210 includes a guide shaft 211 and two stops 212 spaced apart along a second direction. The first and second directions intersect. The guide shaft 211 extends along the second direction, passes through the base 10, and is configured to rotate about its own axis. The two stops 212 are located on the same side of the base 10 along the second direction and are both sleeved around the outer periphery of the guide shaft 211. The positioning assembly 30 includes two positioning members 310, which are correspondingly arranged with two guide rollers 210. Each positioning member 310 includes a positioning part 311, which is connected to the base 10. Each positioning part 311 is located on the side of the corresponding guide shaft 211 away from the other guide shaft 211 along a first direction, and is engaged between two stops 212 on the corresponding guide shaft 211.

[0042] In this embodiment, the guiding device 1 has a paper disc (not shown) located between two guide shafts 211 and engaged between two stops 212 on each guide shaft 211. When the guiding device 1 operates, one guide shaft 211 rotates clockwise around its own axis, and the other guide shaft 211 rotates counterclockwise around its own axis. During this process, the outer periphery of each guide shaft 211 is in frictional contact with the side of the paper disc closest to that guide shaft 211. Each guide shaft 211 applies a tangential frictional force along its outer periphery to the paper disc, pushing it to move along the direction of the frictional force. As the paper disc moves, the two stops 212 on the guide shafts 211 guide the paper disc, preventing it from sliding along the second direction on the outer periphery of the guide shafts 211, ensuring that the paper disc slides stably along the outer periphery of the guide shafts 211 in a direction perpendicular to both the first and second directions.

[0043] When repairing the guide roller 210, the operator will loosen the connection between the positioning part 311 in each positioning component 310 and the base 10, remove the positioning part 311 from between the two stops 212 on the corresponding guide shaft 211, and then remove the guide shaft 211 from the base 10. The guide shaft 211 and the stops 212 on the guide shaft 211 will then be repaired. After the repair is completed, when reassembling the guide device 1, the operator will first pass the guide shaft 211 through the base in the second direction, and then reconnect the positioning part 311 to the base 10. The process involves connecting the guide rollers 211 and then fitting a first stop 212 around the outer periphery of the portion of the guide shaft 211 located outside the base 10. The position of the base 10 on the guide shaft 211 is adjusted along the second direction so that the side of the positioning part 311 closest to the base 10 in the second direction contacts the side of the first stop 212 furthest from the base 10 in the second direction. Subsequently, a second stop 212 is fitted onto the guide shaft 211, so that the side of the second stop 212 closest to the base 10 in the second direction contacts the side of the positioning part 311 furthest from the base 10 in the second direction. Throughout this process, the position of the stop 212 is determined by the positioning part 311, and the position of the positioning part 311 relative to the base 10 remains constant. Each time the guide roller 210 is reinstalled, the operator can quickly determine the position of the base 10 on the guide shaft 211 by installing the positioning part 311, and then quickly adjust the two stops 212 in the guide roller 210 to the target position of the base 10 in the second direction. The entire process requires relatively little time and manpower.

[0044] In summary, the guide device 1 in this embodiment, by setting a positioning component 310, which includes a positioning part 311 connected to the base 10, and the positioning part 311 engaging between two stops 212 on the corresponding guide shaft 211, can achieve rapid installation of the guide device 1.

[0045] Please see Figure 1 and Figure 2 In some embodiments, the positioning part 311 contacts the two stops 212 on the corresponding guide shaft 211 on opposite sides along the second direction.

[0046] In this embodiment, since the relative positional relationship between the positioning part 311 and the base 10 is fixed, and the two stops 212 are in contact with the positioning part 311 on opposite sides in the second direction, the stops 212 can be quickly adjusted to the target position of the base 10 in the second direction.

[0047] Please see Figure 1 and Figure 2In some embodiments, the positioning part 311 is provided with a groove 312 on one side of the corresponding guide shaft 211 along the first direction, and the groove wall of the groove 312 matches the outer periphery of the guide shaft 211 portion located between the two stops 212.

[0048] In this embodiment, when the guide shaft 211 rotates, the groove wall of the groove 312 matches the outer periphery of the guide shaft 211 portion located between the two stops 212, thereby restricting the movement of the guide shaft 211 and preventing the guide shaft 211 from swinging relative to the base 10 in a direction intersecting the first and second directions.

[0049] Please see Figure 1 and Figure 2 In some embodiments, the groove 312 contacts the guide shaft 211 on opposite sides of the third direction along the groove walls on opposite sides of the third direction, and both the first direction and the second direction intersect with the third direction.

[0050] In this embodiment, the groove wall of the groove 312 restricts the movement of the guide shaft 211, preventing the guide shaft 211 from swinging relative to the base 10 in a third direction when it rotates.

[0051] Please see Figure 1 and Figure 2 In some embodiments, the groove 312 extends along a second direction.

[0052] In this embodiment, by setting the groove 312 to extend along the second direction, the contact surface between the groove wall of the groove 312 and the outer periphery of the guide shaft 211 can be increased, which makes it easier for the groove 312 to better restrict the movement of the guide shaft 211 and more stably restrict the swing of the guide shaft 211.

[0053] Please see Figure 1 and Figure 2 In some embodiments, the positioning member 310 includes a connecting portion 313 that extends along a second direction and is located on the side of the positioning member 311 away from the corresponding guide shaft 211 along a first direction. One end of the connecting portion 313 is connected to the base 10.

[0054] In this embodiment, the positioning part 311 is connected to the base 10 through the connecting part 313. Since the connecting part 313 extends along the second direction, the distance between the connecting part 313 and the base 10 in the second direction can also remain unchanged by means of the connecting part 313.

[0055] Please see Figure 1 and Figure 2In some embodiments, the distance between the side of the stop block 212 away from the guide shaft 211 along the first direction and the axis of the guide shaft 211 is a first value; the distance between the side of the positioning part 311 away from the guide shaft 211 along the first direction and the axis of the guide shaft 211 is a second value, and the second value is greater than or equal to the first value.

[0056] In this embodiment, the distance between the side of the positioning part 311 away from the guide shaft 211 along the first direction and the axis of the guide shaft 211 is greater than or equal to the distance between the side of the stop block 212 away from the guide shaft 211 along the first direction and the axis of the guide shaft 211; this can prevent interference between the connecting part 313 and the stop block 212.

[0057] Please see Figure 1 In some embodiments, the dimension of the connecting portion 313 in the second direction is a third value, which is equal to the sum of the fourth and fifth values; the fourth value is greater than or equal to 80 mm, and the fifth value is half the dimension of the gap between the two stops 212 in the second direction.

[0058] Please see Figure 1 and Figure 2 In some embodiments, the guide shaft 211 is provided with two first threaded holes (not shown in the figure) arranged along the second direction, and the first threaded holes extend radially along the guide shaft 211; the two stops 212 on the guide shaft 211 are provided with second threaded holes 213, the two second threaded holes 213 are correspondingly provided with the two first threaded holes, each second threaded hole 213 is coaxially provided with the corresponding first threaded hole and communicates with each other; each second threaded hole 213 is internally threaded with a fastener (not shown in the figure), one end of each fastener extends into the corresponding first threaded hole and is threadedly connected to the first threaded hole.

[0059] In this embodiment, the stop block 212 is detachably connected to the guide shaft 211 by fasteners.

[0060] This application also proposes a filter rod forming apparatus (not shown in the figure), including the guiding device 1 described in any of the above claims.

[0061] In this embodiment, the filter rod forming device has a paper disc located between two guide shafts 211 and engaged between two stops 212 on each guide shaft 211. When the guiding device 1 is working, one guide shaft 211 rotates clockwise around its own axis, and the other guide shaft 211 rotates counterclockwise around its own axis. During this process, the outer periphery of each guide shaft 211 is in frictional contact with the side of the paper disc closest to that guide shaft 211. Each guide shaft 211 applies a tangential frictional force along its own outer periphery to the paper disc, pushing it to move along the direction of the frictional force. As the paper disc moves, the two stops 212 on the guide shafts 211 guide the paper disc, preventing it from sliding along the second direction on the outer periphery of the guide shafts 211, ensuring that the paper disc slides stably along the outer periphery of the guide shafts 211 in a direction perpendicular to both the first and second directions.

[0062] When repairing the guide roller 210, the operator will loosen the connection between the positioning part 311 in each positioning component 310 and the base 10, remove the positioning part 311 from between the two stops 212 on the corresponding guide shaft 211, and then remove the guide shaft 211 from the base 10. The guide shaft 211 and the stops 212 on it will then be repaired. After the repair is completed, when reassembling the guiding device 1, the operator will first pass the guide shaft 211 through the base 10 in the second direction, and then reposition the positioning part 311. 1. Connect the guide roller 211 to the base 10. Then, a first stop 212 is fitted onto the outer periphery of the portion of the guide roller 211 located outside the base 10. The position of the base 10 on the guide roller 211 is adjusted along the second direction so that the side of the positioning part closer to the base along the second direction contacts the side of the first stop away from the base along the second direction. Subsequently, a second stop 212 is fitted onto the guide roller 211 so that the side of the second stop 212 closer to the base 10 along the second direction contacts the side of the positioning part 311 away from the base 10 along the second direction. Throughout the entire process, the position of the stop 212 is determined by the positioning part 311, and the position of the positioning part 311 and the base 10 remains unchanged. Each time the guide roller 210 is reinstalled, the operator can quickly determine the position of the base 10 on the guide roller 211 by installing the positioning part 311, and then quickly adjust the two stops 212 in the guide roller 210 to the target position of the base 10 in the second direction. The entire process requires relatively little time and manpower.

[0063] In summary, the filter rod forming device in this embodiment, by setting a positioning member 310, which includes a positioning part 311 connected to the base 10, and the positioning part 311 engaging between two stops 212 on the corresponding guide shaft 211, can achieve rapid installation of the guiding device 1.

[0064] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0065] The embodiments described above are merely illustrative of several implementation methods of this application, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the patent application. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this application, and these all fall within the protection scope of this application. Therefore, the protection scope of this patent application should be determined by the appended claims.

Claims

1. A guiding device, characterized in that The guiding device comprises: a base; a guiding roller assembly comprising two guiding rollers arranged in a spaced manner along a first direction, the guiding rollers comprising a guiding shaft extending along a second direction and two blocks arranged in a spaced manner along the second direction, the first direction and the second direction being arranged in an intersecting manner, the guiding shaft being arranged in the base and configured to rotate around its axis, the two blocks being located on the same side of the base along the second direction and being sleeved on the outer periphery of the guiding shaft; a positioning assembly comprising two positioning members arranged in correspondence with the two guiding rollers, the positioning member comprising a positioning portion connected with the base, each positioning portion being located on the side of the corresponding guiding shaft away from the other guiding shaft along the first direction and being clamped between the two blocks on the corresponding guiding shaft.

2. The guide device of claim 1, wherein, The positioning portion is in contact with the two blocks on the corresponding guiding shaft on opposite sides along the second direction.

3. The guide device of claim 2, wherein, The positioning portion is provided with a groove on the side close to the corresponding guiding shaft along the first direction, and the groove wall of the groove matches the outer periphery of the guiding shaft portion between the two blocks.

4. The guide device of claim 3, wherein, The groove walls on opposite sides along a third direction are in contact with the opposite sides of the guiding shaft in the third direction, and the first direction and the second direction are both intersected with the third direction.

5. The guide device of claim 3, wherein, The groove extends along the second direction.

6. The guide device of claim 1, wherein, The positioning member comprises a connecting portion extending along the second direction, the connecting portion being located on the side of the positioning portion away from the corresponding guiding shaft along the first direction, and one end of the connecting portion being connected with the base.

7. The guide device of claim 6, wherein, The distance between the side of the block away from the guiding shaft along the first direction and the axis of the guiding shaft is a first value; The distance between the side of the positioning portion away from the guiding shaft along the first direction and the axis of the guiding shaft is a second value, and the second value is greater than or equal to the first value.

8. The guide device of claim 6, wherein, The size of the connecting portion in the second direction is a third value, and the third value is equal to the sum of a fourth value and a fifth value; The fourth value is greater than or equal to 80 mm, and the fifth value is half of the size of the gap between the two blocks in the second direction.

9. The guide device of claim 1, wherein, The guiding shaft is provided with two first threaded holes arranged along the second direction, and the first threaded holes extend along the radial direction of the guiding shaft; The two blocks on the guiding shaft are provided with second threaded holes, and the two second threaded holes are arranged in correspondence with the two first threaded holes, each second threaded hole is coaxially arranged with the corresponding first threaded hole, and the second threaded holes are in communication with each other; Each second threaded hole is threadedly connected with a fastener, and one end of each fastener extends into the corresponding first threaded hole and is threadedly connected with the first threaded hole.

10. A filter rod forming apparatus, characterised in that, The guiding device comprises any one of the guiding devices in claims 1-9.

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