Filter stick sectioning device

By incorporating a sliding cutting blade and a fixing device into the filter rod cutting device, the compatibility issue of different filter rod sizes is resolved, achieving flexible adaptation and a safe and reliable cutting effect.

CN223958319UActive Publication Date: 2026-03-03CHINA TOBACCO YISHENGSHENG (XIAMEN) FILTER ROD CO LTD
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Patent Information

Application Number
CN202423304488.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-31
Publication Date
2026-03-03
Estimated Expiration
2034-12-31

AI Technical Summary

Technical Problem

Existing filter rod cutting devices are inadequate in terms of compatibility with different filter rod sizes. In particular, when the blade position is fixed, smaller filter rods may not be able to be cut, while larger filter rods may not be able to be inserted, resulting in poor compatibility.

Method used

A filter rod slicing device was designed. By setting a slicing channel and a slide rail connected to it on the base, the slicing blade can be slidably adjusted on the slide rail. Combined with the fixing device, it can achieve a locked or unlocked state to adapt to the needs of different filter rod sizes.

Benefits of technology

It achieves flexible adaptation to different filter rod sizes, adjusts the cutting blade insertion length, has better compatibility, and provides smoother, safer, and more reliable sliding.

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Abstract

The utility model discloses a filter stick sectioning device, which comprises a base, the at least one sectioning component comprises a sectioning channel which is arranged on the base and is used for inserting a filter stick; the slide way is arranged on the base, is communicated with the sectioning channel and extends in the direction perpendicular to the axis of the sectioning channel; the cutting device can slide relative to the slide way and comprises a cutter holder and a sectioning cutter, the cutter holder is in sliding fit with the slide way, the sectioning cutter is arranged on the cutter holder, and the sectioning cutter is used for stretching into the sectioning channel so as to sectioning the filter stick inserted into the sectioning channel; wherein the cutting device slides relative to the slide way through the tool apron so as to adjust the length of the part, extending into the sectioning channel, of the sectioning knife, and the filter stick sectioning device further comprises a fixing device; and the fixing device has a locking state for locking the relative position of the cutting device and the slide way and an unlocking state for unlocking the relative position of the cutting device and the slide way.
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Description

Technical Field

[0001] This utility model relates to the technical field of filter rod testing equipment, and in particular to a filter rod cutting device. Background Technology

[0002] During the production and quality inspection of cigarette filter rods, it is necessary to check various indicators such as the accuracy of the dimensions of each filter rod segment and the quality of bonding. This requires shallowly cutting the finished filter rod along its length to cut open the outer forming paper, exposing the underlying fiber bundles or other basic filter rod segments for measurement. During cutting, the filter rod is inserted into a circular hole with a blade. The blade cuts the filter rod's forming paper upon insertion. Since the filter rod diameter must be smaller than the corresponding circular hole diameter (which is fixed), setting it too small will prevent the filter rod from being inserted. Therefore, the circular hole size of existing filter rod cutting devices is generally slightly larger than the common filter rod diameter to accommodate various filter rod diameter specifications. However, when cutting relatively small filter rods, the fixed blade position may prevent the blade from effectively cutting the filter rod. Choosing a smaller circular hole results in a filter rod that is too large to fit, indicating poor compatibility with different filter rod sizes. Summary of the Invention

[0003] The purpose of this invention is to provide a filter rod cutting device that can better accommodate filter rod sizes.

[0004] This utility model discloses a filter rod cutting device, comprising:

[0005] Base;

[0006] At least one slitting component, including:

[0007] A slit channel is provided on the base for inserting filter rods;

[0008] A slide rail is provided on the base, communicates with the cutting channel, and extends in a direction perpendicular to the axis of the cutting channel;

[0009] A cutting device, which is slidable relative to the slide, includes a knife holder and a cutting blade. The knife holder is slidably engaged with the slide, and the cutting blade is disposed on the knife holder. The cutting blade is used to extend into the cutting channel to cut the filter rod inserted into the cutting channel.

[0010] The cutting device adjusts the length of the cutting blade extending into the cutting channel by sliding the blade holder relative to the slide. The filter rod cutting device also includes a fixing device, which has a locked state for locking the relative position of the cutting device and the slide and an unlocked state for unlocking.

[0011] In some embodiments, two or more cutting components are included, and the diameters of the cutting channels of the two or more cutting components are different.

[0012] In some embodiments, the blade holder includes a linear base and a linear mounting groove provided on the linear base for mounting a slitting blade.

[0013] In some embodiments, the slide is a straight slide extending radially along the cut channel, and the extending direction of the straight seat is the same as the extending direction of the straight mounting groove.

[0014] In some embodiments, the slide is a racetrack-shaped slide, and the cross-sectional profile of the racetrack-shaped slide includes a first line segment and a second line segment that are parallel to each other, as well as a first arc and a second arc located at both ends of the first line segment.

[0015] In some embodiments, the inlet end of the slitting channel includes a tapered inlet, the cross-sectional area of ​​which gradually decreases along the direction in which the filter rod is inserted into the slitting channel.

[0016] In some embodiments, the fixing device includes a fixing block and a threaded hole disposed on the base and communicating with the slide. The fixing block includes a bolt head that is threadedly engaged with the threaded hole. In the locked state, the bolt head presses the cutting device onto the slide through the threaded engagement. In the unlocked state, the bolt head releases the pressure on the cutting device through the threaded engagement.

[0017] In some embodiments, in the locked state, the bolt head presses the cutting device onto the slide by directly clamping the cutting blade.

[0018] In some embodiments, the fixing block includes a tightening device for manual tightening by an operator, which is fixedly connected to one end of the bolt head.

[0019] In some embodiments, the screwing device includes a cylindrical block coaxial with the bolt head and a strip block disposed on the side of the cylindrical block away from the bolt head, wherein the width of the strip block is smaller than the diameter of the cylindrical block.

[0020] Based on the filter rod slicing device provided by this utility model, a slide rail communicating with the slicing channel is provided, and a blade holder that slides with the slide rail is provided. A slicing blade is provided on the blade holder, and a fixing device is provided to fix the relative position of the cutting device and the slide rail. The length of the slicing blade extending into the slicing channel can be adjusted by sliding the blade holder relative to the slide rail. This allows for better adjustment of the length of the slicing blade extending into the slicing channel according to different filter rod sizes, resulting in better compatibility. At the same time, adjusting the slicing blade by sliding the blade holder reduces the friction between the blade holder and the slide rail, making the sliding smoother and safer.

[0021] Other features and advantages of the present invention will become clear from the following detailed description of exemplary embodiments of the present invention with reference to the accompanying drawings. Attached Figure Description

[0022] The accompanying drawings, which are included to provide a further understanding of the present invention and form part of this application, illustrate exemplary embodiments of the present invention and, together with the description thereof, serve to explain the present invention and do not constitute an undue limitation thereof. In the drawings:

[0023] Figure 1 This is a schematic diagram of the base of the filter rod cutting device according to an embodiment of the present invention;

[0024] Figure 2 for Figure 1 A structural schematic diagram of the base from another angle is shown;

[0025] Figure 3 for Figure 1 A structural schematic diagram of the base at another angle;

[0026] Figure 4 for Figure 1 A structural schematic diagram of the base at another angle;

[0027] Figure 5 This is a schematic diagram of the blade holder of the filter rod cutting device according to another embodiment of the present invention;

[0028] Figure 6 for Figure 5 A structural schematic diagram of the base from another angle is shown;

[0029] Figure 7 This is a schematic diagram of a portion of the structure of the fixing device of the filter rod cutting device according to another embodiment of the present invention;

[0030] Figure 8 for Figure 7 A schematic diagram of the structure shown from another angle. Detailed Implementation

[0031] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. The following description of at least one exemplary embodiment is merely illustrative and is in no way intended to limit the present utility model or its application or use. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the scope of protection of the present utility model.

[0032] Unless otherwise specifically stated, the relative arrangement, numerical expressions, and values ​​of the components and steps described in these embodiments do not limit the scope of this invention. It should also be understood that, for ease of description, the dimensions of the various parts shown in the drawings are not drawn to actual scale. Techniques, methods, and devices known to those skilled in the art may not be discussed in detail, but where appropriate, such techniques, methods, and devices should be considered part of the specification. In all examples shown and discussed herein, any specific values ​​should be interpreted as merely exemplary and not as limitations. Therefore, other examples of exemplary embodiments may have different values. It should be noted that similar reference numerals and letters in the following drawings denote similar items; therefore, once an item is defined in one drawing, it need not be further discussed in subsequent drawings.

[0033] In the description of this utility model, it should be understood that the use of terms such as "first" and "second" to define the components is merely for the purpose of distinguishing the corresponding components. Unless otherwise stated, the above terms have no special meaning and therefore should not be construed as limiting the scope of protection of this utility model.

[0034] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a direct connection or an indirect connection through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0035] For ease of description, spatial relative terms such as "above," "on top of," "on the upper surface of," "above," etc., are used herein to describe the spatial positional relationship of a device or feature as shown in the figures to other devices or features. It should be understood that spatial relative terms are intended to encompass different orientations in use or operation beyond the orientation of the device as described in the figures. For example, if the device in the figures were inverted, a device described as "above" or "on top of" other devices or structures would subsequently be positioned as "below" or "under" other devices or structures. Thus, the exemplary term "above" can include both "above" and "below." The device may also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatial relative descriptions used herein will be interpreted accordingly.

[0036] As shown in the figure, the filter rod cutting device of this embodiment includes a base 1 and at least one cutting component.

[0037] The base 1 is also the base of the filter rod cutting device. The cutting components include a cutting channel 2, a slide 3, and a cutting device. The cutting channel 2 is located on the base 1 and is used to insert the filter rod. The cutting channel can be a blind hole type channel with one end closed, or a through hole type channel that is fully open, such as... Figures 1 to 4 In the embodiment shown, the cut channel is a cylindrical channel and a through-hole type channel.

[0038] The slide 3 is located on the base 1 and is connected to the cutting channel 2. The slide 3 extends in a direction perpendicular to the axis of the cutting channel 2. As shown in the figure, the axis of the cutting channel is a straight line, and the extension direction of the slide 3 is perpendicular to this straight line, that is, the slide 3 also extends along a straight line.

[0039] The cutting device is slidable relative to the slide rail 3. The cutting device includes a blade holder and a sliding blade. The blade holder is slidably engaged with the slide rail 3. The sliding blade is mounted on the blade holder and is used to extend into the sliding channel 2 to cut the filter rod inserted into the sliding channel 2. During operation, the filter rod is inserted into the sliding channel 2 and cut by the sliding blade, slicing through the forming paper, thereby enabling internal inspection of the filter rod. The cutting device adjusts the length of the sliding blade extending into the sliding channel 2 by sliding the blade holder relative to the slide rail 3.

[0040] The filter rod cutting device also includes a fixing device, which has a locked state for locking the relative position of the cutting device and the slide 3, and an unlocked state for unlocking. In the locked state, the relative position of the cutting device and the slide is fixed and cannot be adjusted. In the unlocked state, the relative position of the cutting device and the slide is unlocked and can be adjusted.

[0041] The filter rod slicing device of this embodiment features a slide 3 connected to the slicing channel 2, a blade holder that slides within the slide 3, a slicing blade mounted on the blade holder, and a fixing device to maintain the relative position of the cutting device and the slide 3. The length of the slicing blade extending into the slicing channel 2 can be adjusted by sliding the blade holder relative to the slide 3, allowing for better adjustment of the blade's extension length to accommodate different filter rod sizes and improving compatibility. Furthermore, adjusting the slicing blade by sliding the blade holder allows for the use of a low-friction material, reducing friction between the blade holder and the slide 3 and resulting in smoother sliding. Additionally, the shape of the contact surface between the blade holder and the slide 3 can be designed to better match the surface shape of the slide 3, making the sliding of the blade holder and slide 3 more stable and reliable. Moreover, since the slicing blade is moved using the blade holder, the operator does not need to directly contact the blade, making the adjustment process safer and more reliable.

[0042] In some embodiments, such as Figure 1 , Figure 2 and Figure 4As shown, the filter rod cutting device includes two or more cutting components, and the diameters of the cutting channels 2 of the two or more cutting components are different, such as... Figure 2 In the illustrated embodiment, the filter rod cutting device includes two cutting channels with different diameters. One of the cutting channels, D2, has a diameter of 6 mm, and the other, D4, has a diameter of 7.9 mm. In this embodiment, by providing multiple cutting components and setting different diameters for the cutting channels 2 of each component, different filter rods can be placed into different cutting channels when cutting filter rods of different diameters, making the cutting channels more suitable for the filter rods. The filter rod cutting device of this embodiment has multiple different cutting channels, thus broadening the adaptability of the filter rods.

[0043] In some embodiments, such as Figure 5 and Figure 6 As shown, the tool holder includes a linear base 41 and a linear mounting groove 42 provided on the linear base 41 for mounting a sliding blade. The linear base is a base whose extension direction is a straight line, and the linear mounting groove is a mounting groove whose extension direction is a straight line. The linear base helps the tool holder to move in a straight line when sliding relative to the slide rail, and the linear mounting groove helps to mount a straight sliding blade, such as a utility knife.

[0044] In some embodiments, such as Figures 2 to 6 As shown, slide 3 is a straight slide extending radially along the cutting channel 2, and the extending direction of the straight seat 41 is the same as the extending direction of the straight mounting groove 42. In this embodiment, slide 3 is a straight slide, and the extending direction of the straight seat and the straight groove is the same. Therefore, when the straight seat slides, the cutting blade set in the straight groove can quickly and effectively extend into it, realizing rapid adjustment of the length extended into the cutting channel.

[0045] In some embodiments, such as Figures 2 to 4 As shown, slide 3 is a racetrack-shaped slide. The cross-sectional outline of the racetrack-shaped slide includes a first line segment 31 and a second line segment 32 that are parallel to each other, and a first arc 33 and a second arc 34 located at both ends of the first line segment 31. In this embodiment, the cross-sectional shape of slide 3 is racetrack-shaped. When the outer contour of the tool holder is set to match the cross-sectional shape of the racetrack-shaped slide, that is, when the tool holder and the racetrack-shaped slide are in clearance fit, the relative sliding between the tool holder and the slide can be more stable and reliable. In the embodiment shown in the figure, the radius R1 of the first arc 33 and the second arc 34 of the cross-section of the racetrack-shaped slide is 2mm, and the distance A1 between the first line segment 31 and the second line segment 32 is 4mm. This dimensional setting can make the sliding fit with the tool holder more stable and reliable.

[0046] In some embodiments, such as Figure 1and Figure 2 As shown, the inlet end of the cutting channel 2 includes a tapered inlet, the cross-sectional area of ​​which gradually decreases along the direction in which the filter rod is inserted into the cutting channel 2. In the embodiment shown, the filter rod cutting device includes two cutting channels with different diameters. The inlet diameters of the two cutting channels are D1 (10 mm) and D3 (10.9 mm). This embodiment, by setting a tapered inlet, can guide the insertion of the filter rod, making the insertion of the filter rod into the cutting channel more convenient and accurate.

[0047] In some embodiments, such as Figure 1 , Figure 4 and Figure 7 , Figure 8 As shown, the fixing device includes a fixing block and a threaded hole 54 located on the base 1 and communicating with the slide rail 3. The fixing block includes a bolt head 51 that is threaded into the threaded hole 54. In the locked state, the bolt head 51 presses the cutting device onto the slide rail 3 through the threaded engagement. In the unlocked state, the bolt head 51 loosens the pressure on the cutting device through the threaded engagement. In the locked state, the bolt head 51 spirals into the threaded hole, then contacts the cutting device and presses it onto the slide rail 3, thereby locking the relative position of the cutting device and the slide rail. Preferably, the bolt head directly contacts the cutting blade, pressing the cutting device onto the slide rail 3 by pressing the cutting blade, thus fixing the relative position between the cutting blade and the blade holder and reducing requirements. Unlocking is achieved by the bolt head leaving contact with the cutting device, allowing the cutting device to slide flexibly with the slide rail.

[0048] In some embodiments, the fixing block includes a tightening device fixedly connected to one end of the bolt head 51 for manual tightening by an operator. This embodiment, by providing a tightening device, enables manual tightening and allows for manual switching between unlocked and locked states, which is convenient and reliable.

[0049] In some embodiments, such as Figure 7 and Figure 8 As shown, the tightening device includes a cylindrical block 52 coaxial with the bolt head 51 and a strip block 53 disposed on the side of the cylindrical block 52 away from the bolt head 51. The width of the strip block 53 is smaller than the diameter of the cylindrical block 52. This embodiment uses a cylindrical block and a strip block, and the width of the strip block is smaller than the diameter of the cylindrical block. This facilitates manual tightening and also helps to apply force more accurately to the bolt head during tightening, allowing the bolt head to enter the bolt hole more precisely.

[0050] In some embodiments, as shown in the figure, the diameter of the cylindrical block 52 is 16 mm, and the length A3 and width A2 of the strip block 53 are 25 mm and 8 mm, respectively.

[0051] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of this utility model and not to limit it; although the utility model has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications can still be made to the specific implementation of this utility model or equivalent substitutions can be made to some technical features without departing from the spirit of the technical solution of this utility model, and all such modifications and substitutions should be covered within the scope of the technical solution claimed by this utility model.

Claims

1. A filter rod slicing device, characterized in that, The application relates to a filter rod cutting device. The device comprises a base, at least one cutting component, a sliding channel and a cutting device. The cutting component comprises a cutting channel and a sliding channel. The cutting device is slidably connected to the sliding channel and comprises a seat and a cutting knife. The seat is slidably connected to the sliding channel. The cutting knife is arranged on the seat and is used to cut the filter rod inserted into the cutting channel. The cutting device is slidably connected to the sliding channel through the seat.

2. A filter rod slicing device as claimed in claim 1, characterised in that The cutting device is locked or unlocked relative to the sliding channel through the fixing device.

3. A filter rod slicing device as claimed in claim 1 wherein, The cutting channel of the cutting component has different diameters.

4. A filter rod slicing device as claimed in claim 3 wherein, The seat comprises a linear seat body and a linear mounting groove arranged on the linear seat body.

5. A filter rod slicing apparatus as claimed in any one of claims 1 to 4 wherein, The sliding channel is a linear sliding channel extending along the radial direction of the cutting channel.

6. A filter rod slicing device as claimed in any one of claims 1 to 4 wherein, The extending direction of the linear seat body is the same as the extending direction of the linear mounting groove.

7. A filter rod slicing device as claimed in claim 1 wherein, The sliding channel is a running track-shaped sliding channel.

8. A filter rod slicing device as claimed in claim 7, characterised in that The cross section of the running track-shaped sliding channel comprises a first linear segment and a second linear segment which are parallel to each other, and a first circular arc and a second circular arc arranged at the two ends of the first linear segment.

9. A filter rod slicing device as claimed in claim 7, characterised in that The inlet end of the cutting channel comprises a tapered inlet.

10. A filter rod slicing device as claimed in claim 9 wherein, The fixing device comprises a fixing block and a threaded hole arranged on the base and communicated with the sliding channel. The fixing block comprises a bolt head which is threadedly connected to the threaded hole. In the locking state, the bolt head is threadedly connected to the threaded hole to press the cutting device on the sliding channel. In the unlocking state, the bolt head is threadedly connected to the threaded hole to release the pressing of the cutting device. In the locking state, the bolt head directly presses the cutting knife to press the cutting device on the sliding channel. The fixing block comprises a rotating device which is fixedly connected to one end of the bolt head and is used for manual rotation by an operator. The rotating device comprises a cylindrical block coaxial with the bolt head and a strip-shaped block arranged on the side of the cylindrical block away from the bolt head. The width of the strip-shaped block is smaller than the diameter of the cylindrical block.