KR100263505B1 - Continuous belt - Google Patents

Abstract

A continuous belt (10) moves in synchrony with and in part parallel to a garniture tape (54) conveying filter plugs in axial alignment during the construction of cigarette filters. The belt has channels (22) therethrough allowing free flowing material to be channelled into spaces (24) between the filter plugs in the garniture tape (54), when the channels (22) are in registration with the spaces (24). The surface of the belt which opposes the garniture tape (54) has a groove (53) to accommodate the filter plugs (26) such that the filter plugs (26) are urged against the garniture tape (54). In one embodiment, the continuous belt comprises a metal band (20) and a composition strap (21) laminated on to one side of the metal band (20). In use, the composition strap (21) opposes the garniture tape (54). <IMAGE>

Description

Continuous belt for tobacco filter manufacturing device

1 is a plan view schematically showing a basic fastening relationship between a thin belt and a wheel and a motor.

2 a front view of the device according to FIG.

3 is a cross-sectional view taken along line 3-3 of FIG.

4 is a partial cross sectional view of the thin belt shown in FIGS. 1 and 2;

5 is a partial perspective view showing the basic fastening relationship between the thin belt and the wheel.

FIG. 6 is a cross-sectional view taken along line 6-6 of FIG. 4 showing the basic fastening relationship between the thin belt and the track and the package tape and the package.

7 is a perspective view showing another embodiment of the belt and wheel of FIG.

8 is a perspective view showing another embodiment of the belt and wheel of FIG.

9 is a partial front view according to another embodiment of the belt shown in FIGS. 1 and 2;

10 is a sectional view taken along line 10-10 of FIG.

11 is a top plan view of the belt shown in FIG.

12 is a partial perspective view of the second embodiment of the present invention schematically showing the basic fastening relationship of the belt parallel to the wheel and the pocket.

FIG. 13 is a side cross-sectional view of the pocket schematically showing the basic engagement relationship between the wheel and the pocket shown in FIG.

14 is a partial perspective view of the belt shown in FIG.

FIG. 15 is a partial perspective view of FIG. 12. FIG.

FIG. 16 is a partial side view of FIG.

FIG. 17 is a partial top plan view of FIG.

18 is a perspective view of the pocket shown in FIGS. 12, 13, 15, 16-17.

* Explanation of symbols for main parts of the drawings

610: belt 12: idle wheel

615: motor 20: metal band

621: composite strip 22: through hole

823: Gannery 24: receiving space

: 26: Filter Plug 27: Positioning Track

536 through hole 37 suction port

238: Sprocket 40: Band

641: pocket 42: guide hole

243 steel pin 45 bushing

46: roller 50: wheel

251: wheel 52: cogs

53: concave groove 54: garnish tape

The present invention relates to a continuous belt used in an apparatus for conveying free flowing material at high speed.

The continuous belt according to the first embodiment of the present invention is freed into the receiving space by separating these filter plugs in the process of transporting the filter plugs on the conveyor (in the manufacture of cigarettes, such conveyors are called garniture tape). It is for a thin belt used in a device for supplying a fluid.

The continuous belt according to the second embodiment of the present invention is a pair of parallel continuous belts having a structure in which a series of units called pockets are suspended between these belts, which is very useful as a supply device of free flow material in the tobacco manufacturing field. It is very useful for a device for supplying a free flowing material such as a bar, ie charcoal, into a receiving space separating the filter plug to be transported on the conveyor.

Conventional devices for supplying free flowing material between filter plugs using belts are described in U.S. Patent No. 4,285,678, which has a belt that rotates around a plurality of wheels so that the belt is placed on top of the fixture tape. It is arranged to be moved in parallel, and the taper tape carries the filter plug rows axially separated and aligned by the receiving space, in which case the filter plug rows are moved between the belt tape and the belt. The belt is provided with a plurality of through holes in accordance with the receiving space for separating the filter plug, through which the free flow material is supplied into the receiving space, the blank portion of the belt shields the filter plug to free It is to prevent mixing with the fluid.

U.S. Patent No. 3,464,324, on the other hand, describes a belt moving above a row of filter plugs to be transported on a gage tape (the patent is called a foldable moving tape), and the grains of the filter are filtered through a through hole formed in the belt. It is fed into the receiving space between the plugs, and the through hole is always aligned with the receiving space between the filter plugs.

Another embodiment described in U. S. Patent No. 3,464, 324 is designed to use a linked link chain, which is provided with a grooved web portion for receiving particulate matter into the space separating the filter plug.

In addition, US Patent No. 3,623, 404 describes belts or chains constituting a continuous link, in which each link is connected with the front and rear links to form a continuous chain, the chain being connected around a plurality of drive wheels or drive sprockets. As it rotates, the wheels and sprockets impart proper tension and position to the chain, and the chain moves in parallel with the taper tape carrying the filter plug rows axially separated by the space. It is.

The singer link has a chain having a through hole formed therein for guiding particulate matter, and the link moves adjacent to the axially aligned filter plug as the chain and the fixture tape move parallel to each other. During the movement, the through hole of the link is aligned with the receiving space between the filter plugs so that the particulate material is supplied into the link through the through hole by the feeding device.

However, in the above-described apparatus according to the related art, although the belt shields the filter plug and prevents it from mixing with the free flowing material, such a belt has a problem in that the belt does not stably support the filter plug on the rotating tape. .

In the apparatus using the chain, the distance between the holes in the links is changed as the connection portions between the links are loosened and the lengths of the links are changed, and thus the through holes move in parallel with the receiving space. There was a problem in that the particle material could not be accurately supplied into the containing space part because it was not located coincident with this containing space part.

Therefore, the present invention has been invented to solve the above problems, and can accurately supply the free flowing material into the receiving space between the filter plugs transported at high speed on the tape, and the filter plug is exposed from the free flowing material. It is an object of the present invention to provide a continuous belt for a cigarette filter manufacturing apparatus that can be prevented.

The continuous belt according to the first embodiment of the present invention for achieving the object described above is made of a thin metal band and a composite band and a parallel path adjacent to the movement path of the taper tape carrying the axially aligned filter plugs. The composite strip is rotated around a plurality of wheels, and the composite strip is formed to correspond to the rounded shape of the filter plug to be transported by the taper tape. It is pressurized to hold the filter plug in a stable manner.

A plurality of through holes are formed in the belt, and an independent drive unit synchronizes the belt and the fixture tape so that the through holes are aligned with the accommodating spaces between the pulp plugs, and the blank portion of the belt is filtered. The plug is aligned with the filter plug, shielding the plug to prevent exposure from free flowing material.

As the filter plug is pressurized toward the fixture tape as described above, the belt grasps and supports the filter plug stably, and a known charcoal transportation device supplies the free flowing material into the receiving space between the filter plugs through the through hole. .

In addition, as the filter plug is pressed toward the taper tape, the through hole of the belt and the receiving space portion are accurately aligned while the taper tape transports the filter plug at high speed, so that the free flowing material can be supplied into the belt accurately and at high speed. In addition, the filter plug is shielded to prevent exposure from free flowing material.

In addition, it is possible to accurately supply the free flowing material into the receiving space that separates the axially aligned filter plugs while the filter plug is transported at high speed on the taper tape, and the free flowing material into the receiving space between the filter plugs. It is installed in such a way that the pocket is suspended between the parallel bands for feeding.

In another embodiment of the present invention, a unit called a pocket is suspended between two parallel continuous belts, and the pocket is formed with a through hole for guiding free flowing material.

In the first aspect of the present invention, the cigarette filter is synchronously driven in parallel with the taper tape carrying the axially aligned filter plugs, and has a through hole for guiding the free flow material into the receiving space between the filter plugs. A continuous belt for a manufacturing apparatus, wherein the belt surface opposite to the taper tape is formed to correspond to the shape of the filter plug housed in the taper tape such that the filter plug is pressed against the taper tape by the belt surface. It is done.

Preferably, in the first embodiment of the first aspect, the continuous belt has a metal band and a composite band coated on one side of the metal band to face the taper tape, preferably the second embodiment of the first aspect. In the example, a plurality of pockets are attached to the continuous belt and the bottom surface of the pockets is provided to face the taper tape.

On the other hand, according to the second aspect of the present invention, there is provided a device for supplying a free flowing material into a receiving space portion between filter plugs for a cigarette filter manufacturing device, the device being a composite coated on one side of the metal band and the metal band. It has a thin belt made of a belt, which has a through hole moving in parallel with the taper tape carrying the filter plug, so that free flowing material is introduced into the receiving space between the filter plugs by the through hole of the belt. The area where the hole of the belt is not formed while being guided is shielding the filter plug to prevent the inflow of free flow material.

Preferably, the metal band is rotated around a wheel so that a thin belt is in contact with the plurality of wheels, and the composite strip is thinly coated on one side of the belt away from the wheel, and in such a configuration the thin belt is connected to the tapered tape. In the process of being moved in parallel and adjacent to the composite strip is in contact with the filter plug, in which case the composite strip is formed to match the outer shape of the filter plug so that a thin belt presses the filter plug toward the gigantic tape.

On the other hand, according to the third aspect of the present invention, there is provided a device for supplying a free flowing material into a receiving space between filter plugs for a cigarette filter manufacturing device, the device being rotated around a sprocket between a plurality of sprockets. A parallel continuous belt is provided, and the pockets supported between the belts are formed with through holes for receiving and guiding free flowing material, and are guided through the through holes to supply free flowing material into the receiving space between the filter plugs. do.

Preferably, the lower surface of the pocket is in contact with the filter plug while the belt transports the pocket in parallel with the taper tape, the lower surface of the pocket being formed correspondingly curved with the lower surface of the filter plug, more preferably. In the following, the parallel belt is synchronously driven with the taper tape such that the through-holes formed in the pocket are aligned with the receiving space between the filter plugs carried by the taper tape.

Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

1 to 6 show a thin belt 10 that moves along a plurality of wheels with drive wheels 11 and idle wheels 12, which are motors 15. The driving wheel 11 is rotated by applying power, and the idle wheel 12 sets the position while applying tension to the thin belt 10.

Here, the thin belt 10 is a thin metal band 20 that directly abuts the wheels 11 and 12, as shown in FIG. 3, and a composite band coated on the side opposite the wheel of the metal band 20. 21), the composite strip 21 may be made of neoprene or other suitable compound, and when molded into neoprene, the liquid neoprene can be addressed and attached directly onto the metal band 20 without using an adhesive. It becomes possible.

The composite strip 21 is formed with a concave groove 53 so as to be in close contact with the rounded shape of the filter plug 26 of the cigarette filter partially manufactured, and the through hole 22 has the composite strip 21. And penetrate through the metal band 20, as shown in FIG.

On the other hand, the flexible tape of the conveyor belt 54 carries the filter plug 26 separated by the receiving space 24 along a parallel path under the belt 10. The tapen tape 54 ) Is moved along the recessed groove called the fixture 23, while the taper tape 54 is moved along the fixture 23, the taper tape 54 is concave, and is axially aligned. To fit the round shape of the filter plug 26 to be conveyed.

In addition, the composite tape 21 of the belt 10 is in contact with the filter plug 26 in the process in which the garnish tape 54 and the thin belt 10 are moved in parallel, and thus the filter tape 26 is applied to the garnish tape. By pushing toward 54, the filter plug 26 is supported in a stable state.

Meanwhile, the conventionally separated and synchronized driving device is operated at the same time so that the through hole 22 of the belt 10 coincides with the receiving space 24 between the filter plugs 26. As the conventional independent driving device, The charcoal feeder transfers the free flowing material into the receiving space 24 through the through hole 22, and filters the free flowing material and the filter plug 26 so that the hole of the belt 10 is not perforated. The plug 26 is shielded.

Then, in the process of the filter plug 26 being conveyed at high speed on the taper tape 54, the composite strip 21 of the belt 10 presses the filter plug 26 toward the taper tape 50 so that the filter plug ( 26 is firmly held, so that the filter plug 26 is supported by the composite strip 21 to maintain a stable state, so that the through-hole 22 and the receiving space portion 24 of the belt 10 are maintained. Is precisely aligned so that the free flowing material is accurately transferred into the receiving space 24 between the filter plugs 26 even while the filter plug 26 is moving at high speed on the taper tape 54.

On the other hand, in the other embodiment shown in FIG. 7, the thin belt 10, in which a plurality of through holes 36 are formed along the longitudinal direction between both side ends, is rotated around the plurality of wheels 50. On both circumferential surfaces of each of these wheels 50, a row of teeth 52 are radially extended to engage with the through-holes 36 of the thin belt 10, which is further illustrated in FIG. Similarly, in the embodiment, a toothed belt is formed to be parallel to each other at both ends of the thin belt 10 having a plurality of through-holes 36 formed in the longitudinal direction between the both side ends, and to extend radially around the circumferential surface. It is supposed to rotate around the wheel 51 with 51.

In addition, in the embodiments shown in FIGS. 7 and 8, a free flowing material is introduced into the other receiving space 24 through the belt 10 between the side sprocket rows fitted into the through holes 36. It is intended to be transported by the device. In the above-described embodiment, the suction port 37 for trapping the fine particles like the scoop may be provided to face forward on the through hole 22 of the belt 10 as shown in FIGS. 9 to 11.

On the other hand, in the second embodiment shown in FIG. 12 and FIG. 13, the band 41 and the pocket 41 are suspended and supported between the bands 40 parallel to each other, and in FIG. 15 to 17, the coupling relationship between the tip sprocket 38 and the pocket 41 is shown, while the pocket 41 is shown in FIG.

Here, each of the bands 40 rotates around the sprockets 38 disposed at both ends. In this process, the sprockets 38 set the position as well as impart proper tension while rotating the bands 40. . As the band 40, Tie. B. Industry standard grade belts, such as high torque drive belts 1890 14 M 45 manufactured by TB Wood's Sons CO. 1890 14 M 45, are commonly available on the market and do not need to be specially manufactured. And, such two identical bands 40 can be easily made by cutting one high horsepower drive belt to the same length along the longitudinal direction.

In addition, a semicircular protrusion 57 is formed on the inner surface 58 of the high horsepower drive band 40 at a predetermined interval as shown in FIG. 14, and an outer circumferential surface of the sprocket 38 is shown in FIG. 15. As described above, a series of concave grooves 59 are formed at equal intervals so that the concave groove 59 of the band 40 is rotated while the band 40 is rotated around the sprocket 38 between the sprockets 38. The protrusion 57 is fitted.

The free flowing material conveying device called the pocket 41 is supported by being suspended between two bands 40, and as the sprocket 38 is driven, a parallel band 40 is rotated to hang on the band 40. The supported pocket 41 is conveyed. However, as shown in detail in FIG. 18, each pocket 41 is provided with one or more guide holes 42 serving as guide channels for free flow material, and steel pins 43 between the bands 40. The steel pin 43 is inserted through the band 40 and the pocket 41 at each of four corners 44 of the pocket 41 so that the pocket 41 is inserted into the band 40. Attached, the pins 43 pass through the band 40 surrounded by the bushing 45 and pass through the roller 46 opposite the band 40.

As the belt 10 rotates around the tip sprocket, the roller 46 is moved in the groove-shaped track 52, and as the roller 46 is inserted and moved in the track 52, the belt 10 is moved. The pocket 41 attached thereto is reliably positioned, and the pocket 41 is accurately guided and moved by the positioning track 27. This positioning track 27 is formed below the movement path of the pocket 41 in a round groove called the fixture 23, and the flexible garnish tape 54 is formed through the round shape contour 23. Moved, the fixture 23 is formed to correspond to the rounded shape of the filter plug 26 to be conveyed through the fixture 23 on the signature tape 54.

The taper tape 54 conveys the filter plugs 26 arranged at predetermined intervals in the axial direction by the receiving space 24, and the parallel band 40 moves the taper tape 54. The pocket 41 is moved in parallel with the path so that the pocket 41 is moved adjacent the filter plug 26 to be transported on the tapered tape 54. The pocket 41 is in contact with the filter plug 26 during the movement of the pocket 41, and the bottom surface 55 of the pocket 41 is curved to closely contact the round shape of the filter plug 26.

The known synchronous starting device (not shown) is configured to simultaneously move the fixture tape 54 and the band 40 such that the guide hole 42 of the pocket 41 receives between the filter plugs 46. In addition to being aligned with the space 24, the pocket 41 and the taper tape 54 are transported in parallel to each other. Thus, the guide hole 42 and the accommodation space 24 are coincident with each other. The charcoal transportation device (not shown), which is known in the art, can supply free flowing material into the receiving space 24 through the guide hole 42, and the guide hole of the pocket 41 is not formed. (56) The filter plug is shielded to prevent incorporation of free flow material into the filter plug.

In addition, the band 40 transfers the pockets 41 supported to be suspended and matched with the accommodation space 24 at a predetermined interval which cannot be changed. As such, the pocket 41 and the accommodation space 24 are As it is accurately positioned and moved, it is possible to accurately supply the free flowing material into the receiving space portion 24 between the filter plugs 26 while the filter plug is moving at high speed on the taper tape 54.

Meanwhile, those skilled in the art may implement the present invention differently from the above-described embodiments. The above-described embodiments are merely for explaining the present invention and do not limit the scope of the present invention. It is limited only by the claims.

Claims (12)

A guide hole 22 for guiding the free flowing material into the receiving space 24 between the filter plugs 26 axially aligned in the taper tape 54 is provided in parallel with the taper tape 54. In the continuous belt 10 used in the cigarette filter manufacturing apparatus which is synchronously driven, the belt surface opposite to the taper tape 54 is formed to correspond to the shape of the filter plug 26 accommodated in the taper tape 54. And the filter plug (26) is pressed by the belt surface toward the taper tape (54). According to claim 1, wherein the through hole 36 is formed at predetermined intervals along the longitudinal direction at the portions adjacent to both front end portions of the belt, the tooth formed on the circumferential surface of the wheel 50 in the through hole 36 52, characterized in that the belt is rotated by the wheel 50, characterized in that the continuous belt. 3. A belt according to claim 1 or 2, characterized in that the belt has a metal band (20) and a compound band (21) coated on one side of the metal band (20) to face the taper tape (54). Continuous belt. 4. The continuous belt as claimed in claim 3, wherein a concave groove (53) is formed in the composite strip (21) so as to match the shape of the filter plug (26) to be conveyed on the tapered tape (54). 4. The continuous belt as claimed in claim 3, wherein a suction port (37) for guiding free flow material into the through hole (22) is formed on the through hole (22) formed in the metal band (20). 2. A continuous belt as claimed in claim 1, characterized in that it has a continuous band (40) to which a plurality of pockets (41) are attached so that the lower surface of the pocket (41) faces the garnish tape (54). 7. The continuous belt as claimed in claim 6, wherein the continuous band (40) consists of two parallel bands, with pockets (41) attached therebetween. 8. Continuous belt according to claim 6 or 7, characterized in that each pocket (41) has a guide hole (42) for guiding free flowing material. The method according to claim 6 or 7, characterized in that the lower surface 55 of each pocket 41 is formed in a concave groove shape appropriately with the shape of the filter plug 26 to be transported on the taper tape 54. Continuous belt. 8. The roller (46) according to claim 6 or 7, wherein the pocket (41) is attached to the band (40) via a pin (43), and the pin (43) has a roller (46) on one side of the continuous band (40). Continuous belt, characterized in that attached. 8. The pocket (41) according to claim 6 or 7, wherein the pocket (41) is attached to the band (40) via at least one pin (43), the pin (43) across the band (40). Continuous belt, characterized in that installed to extend from the roller (46) disposed on one side of the band (40). 11. Continuous belt according to claim 10, characterized in that the roller (46) is adapted to be moved in the track (52) for positioning the pocket (41) with respect to the garnish tape (54).