JPS63240768A - Continuous rod producing machine - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a continuous rod making machine, particularly for use in the manufacture of cigarettes and filter rods.

According to a first feature of the invention, a machine for manufacturing rod-shaped articles includes a continuous rod cutting device and a support assembly, the support assembly having means for supporting the rod during cutting, and a means for supporting the rod during cutting; comprising a fairly rigid beam for supporting means, drive means for reciprocating said beam, and resilient means for supporting said beam;
This elastic means is small (first means allowing movement of the part of the beam supporting the support means in a direction substantially parallel to the bar, and movement of the part substantially transversely to the support). and a second means for allowing.Preferably, the first,
The second means is arranged such that during reciprocating movement by the drive means, the support means moves substantially parallel to the bar. The first means, the second means, or both of these means are arranged so as to be able to perform rotational movement.
:stomach.

In a preferred embodiment, the first means comprises means extending parallel to the longitudinal axis of the beam and, for example, one or more leaf springs, and the second means extending transversely to said axis. means, such as one or more similar springs. Preferably, these leaf springs are made of fiberglass. Preferably, the arrangement of the beam is such that the bar support means is located at or near the upper end of the beam, effectively pivoting the beam about its lower end.

The beam may move such that its lower end is constrained by the second means in a direction parallel to the direction of movement of the rod.

The first means may extend between the upper fixed mounting location and the lower location on the beam. According to this arrangement, the beam is lifted during the reciprocating movement, and this lifting movement (allowed by the second means) can compensate for the machining movement of the support means caused by the rotational movement of the beam. , it is possible to obtain a favorable movement of the support ring in a direction parallel to the rod.Here, if the beam is rotatably mounted, it is possible to obtain a favorable movement of the supporting ring in the direction parallel to the rod. It is noted that the shaped support means will pivot about the transverse axis during reciprocating movement even when any movement transverse to the bar is compensated for as described above. Therefore, any support means in close proximity to the rod, such as a shaft or a support means surrounding it, will be affected by this rotational movement (±4°).
(on the order of ) To facilitate the initial insertion of the rod, the F-hand portion of the support means may have an outwardly flared entry opening.

According to a second feature of the invention, a machine for manufacturing bar articles includes a continuous bar cutting device and a support assembly, the support assembly having means for supporting the bar during cutting; a substantially rigid beam supporting support means; drive means for reciprocating said beam; first mounting means permitting movement of said beam such that said support means can move in a direction parallel to the bar; second attachment means for permitting movement of the beam such that the support means is movable transversely relative to the bar; said support means encircling at least six portions of the bar during reciprocating movement by said drive means; It is constrained to follow the path of Preferably, said first attachment means are pivot means, and said first,
The second means is arranged such that the pivot axis of the beam can move laterally relative to the bar during said reciprocation. thus,
The path of the rod support means, which draws a circular arc by rotating around the axis of the beam, is converted into a straight path by an appropriate corrective movement of the axis during rotation (111).

According to a third feature of the invention, a machine for manufacturing rod-shaped articles includes a continuous rod cutting device and a support assembly, the support assembly comprising means for supporting the rod during cutting, and means for supporting the rod during cutting; a drive means for moving the means; the drive means includes a bearing; means for configuring a path for supplying pressurized lubricant to the bearing; and means for configuring a return path for the lubricant; l1 in which the means forming the return path passed through the bearing (42)
comprising a housing (72) for receiving 2I lubricant and a collection means (92) movable relative to the lubricant in this housing, connected to said collection means of said return path; The lubricant is pressed along the portion (94). Preferably, the housing is rotatable with the movable part of the bearing and the collection means are stationary. Thus, the housing may include a generally cylindrical chamber, and the collection means may include a tube or scoop having an inlet portion adjacent to the inner circumference of this chamber, so that the circumference of the chamber is The lubricant that has moved onto the surface is collected by the tube or scoop, and the resulting pressure is directed outwardly along the return path 71.
)1 Move the lubricant.

Preferably the supply and return paths are on opposite sides of the bearing. The housing or chamber may be at least partially rotatably supported by a further bearing supported by the collecting means or by means defining a return path connected to the collecting means.

This bearing is particularly useful as a big end bearing for a connecting rod extending between the driven crankshaft and the support means. It has now been found that conventional arrangements for lubricating this bearing are unsatisfactory at the high speeds and loads currently encountered in continuous rod making machines. In particular, i! 'li
It operates at high temperatures and as a result requires frequent replenishment of grease. Similarly, equipment that circulates a fluid lubricant, such as oil, from the main drive shaft to the bearings and back to the drive shaft under pressure creates significant oil turbulence within the bearings, which This forces the bearings to operate at very high temperatures. In the currently proposed arrangement, the action of centrifugal force in the collection chamber or housing generates a pressure that moves the lubricant along the return path, so that lubricant can be supplied through the bearing at relatively low pressure. . The preferred arrangement requires additional parts on the side of the bearing opposite the main drive, but these parts are balanced with respect to the axis of the drive shaft and do not introduce any additional parts during constant speed rotation of the drive shaft. This can prevent heavy loads from being applied.

The first to third features of the invention can be applied to the same machine.

In principle, the bearing continuous rod of the invention l! It is also used for machines other than J-building machines.

The present invention will be further described below with reference to the accompanying drawings.

Referring to FIGS. 1 to 4, a support stand consisting of a pair of rod support tubes 10 is supported at the upper end of a rigid beam 12. As shown in FIGS. The beam 12 is made of aluminum alloy or other strong material.
The mechanical structure is such that the bending resistance is high in a plane including the longitudinal axis, and the torsion resistance around the axis is high. The beam 12 has a lower attachment portion 14 and an upper attachment portion 2o, at which the beam is connected to a fixed support attachment portion 18 by a horizontal fiberglass spring 16, and at the upper attachment portion 2o. The beam is connected to another fixed support mount 24 by a pair of vertical fiberglass springs 22.

The support attachments 18.22 are part of the frame 26 of the bar making machine and serve to hold the beam 12 so that the bar support duplex 1° is located on the bar line 28 of the machine. The position of the tubes 1o is also such that a cutting knife 30 (FIG. 2) supported by a rotating cutting drum 32 passes between the tubes 10. A deburring wheel 34 is provided on the knife 30.

The beam 12 is connected near its upper end to one end of a connecting rod 36 by a small end bearing 38. At its opposite end, the connecting rod 36 is connected to a crank drive member 40 (
Figure 3).

The drive member 40 and the cutting drum 32 are driven synchronously by the motor of the bar making machine.

The beam 12 is symmetrical about the central longitudinal axis.

Therefore, to maintain balance, a pair of dummy tubes 44 are supported at the upper end of the beam on the opposite side of the connecting rod bearing 38 from the support tube 10.

The connecting rod 36 is driven by a drive member 40, and the upper end supporting the rod support tube 10 of the beam 12 is connected to the rod line 28.
It is designed to support the rod as it is reciprocated at the top and passed through the cutting knife 3o between the rod tubes. During the angular displacement of the beam 12 by the connecting rod 36, the horizontal spring 16 holds the base of the beam in approximately the same vertical plane, so that the beam actually remains in its lower mounting s++ 14
rotate around. Vertical spring 22 deflects when beam 12 is displaced from its vertical position. Although this deflection is noticeable as it causes rotational movement about the fixed mount 24, it also prevents the spring 22 from bending. With this combination effect, the mounting part 2
0 and the entire beam 12 together.

The horizontal spring 16 deflects slightly upward to counteract this lifting action.

The effective pivoting movement about the lower mounting 14 causes the angular displacement of the beam 12 to follow the path formed by the rod support tube 10. This path is downward on each side of the beam's vertical position if the vertical position of the attachment portion 14 remains constant. However, the above-mentioned movement of the spring 22 causes the beam 12 to
, and the horizontal spring 22 allows this movement, so
The downward movement of the tube 10 is less than it would otherwise be.

The dimensions of the beam 12 and the spring 22 (and the bending properties of the spring 22 in the small range J) are such that the beam 12 is lifted during flexure and this upper stomach volume is at least within the range of the angular displacement caused by the connecting rod 36. This is sufficient to compensate for the downward movement of the duplex 10, so that the tube 10 follows a substantially straight path in equilibrium with the rod line 28. Here, the tube 10 is tilted slightly due to the angular displacement of the beam 12, and sufficient clearance must be provided to allow the rod to pass through the tube and onto the rod line 28 at the time of maximum tilt, which causes the maximum angular displacement of the beam. I would like to draw your attention to something that must be done. Furthermore, the first passage of the rod through the tube 1o is particularly facilitated when the beam 12 can be angularly displaced! In addition, it is preferable that the beam is formed with an outwardly extending recess portion and an exit portion, as shown in detail in FIG.

FIG. 4 shows the support tube 10 displaced most upstream with respect to the moving direction of the rod 28Δ on the rod line 28. The tubes 10 were separated by a gap wide enough to allow the passage of the cutting knife 30. It includes a top flow section 10A and a bottom flow section 10B. When in use, the knife 30 is
Typically, the downstream portion is in contact with the IOB and is supported by it during cutting. Upstream and downstream parts 10A, 10
Each of B is a relatively short cylindrical inner box 11A.

11B, the retraction that spread outward, the exit part 13△, 1
Turn 3B to the right. The retraction portion 13A is the exit portion 13B
considerably longer than Both these parts 13A, 13B are sufficiently inclined that at maximum displacement of the tube 1o the rod 28
Provide a gap for A.

Vertical springs 22 provide lateral strength to resist the cutting forces imparted to beam 12 as cutting knife 3o passes through the bar. The horizontal springs 16 provide lateral stiffness to the base of the beam and, in particular, resist any tendency to twist the beam about its vertical axis.

The vertical spring 22 tapers in the direction from the fixed mounting portion 24 toward the mounting portion 20 . This allows the mounting portion 20 on the beam 12 to be covered smaller and therefore
It can be made lighter, and the bending and lateral strength of the spring 22 can be maintained appropriately. The horizontal spring 16 can be tapered in the direction from the mounting part 18 to the mounting part 14.However, if the spring 16 is given a constant width less than the width of the base of the beam 12, appropriate strength can be obtained. The width of the spring 16 is smaller than the base of the beam 12.
, no benefit can be obtained by applying this to the mounting portion 14. On the contrary, there is a drawback that the lateral width is reduced. Spring 22 is symmetrical about a central longitudinal axis, reducing the possibility of imparting torsional forces on beam 12 about its longitudinal axis. For similar reasons, beam 22 is aligned with the center plane of beam 12 (as shown in FIG. 2), but the spring is offset from this plane, which makes the mounting 20 a lighter structure. be able to.

Spring 16.22 is preferably made of glass lllff. Suitable materials are available at Newcastle in Staffs.
-undOr-[ylle's l1cathcote P
Available from lastics, this one is tscotch.
ply Re1nforced plastic ty
pe 1002 crossply (13ply
) is called.

Typical major dimensions of the assembly of FIGS. 1-4 are as follows.

Beam length 160#I Beam width (base) 80m Beam width (near connecting rod 36) 45M (between long attachment parts of spring 22) 160mm Width of spring 22 20~38m (between long attachment parts of spring 16) 160m Spring 16 width 80
Thickness of shoe springs 16, 22 3. Two-layer support tube 10 (7)! L7tllt +3211I! R<+4
°) Deflection of spring 22 ±61m Deflection of spring 16■ 0 to 11M Length of connecting rod 36
168mm FIGS. 5 and 6 show the portion of the drive member 4o incorporating the bearing assembly, which is attached to the large end bearing of the connecting rod 36 of the support assembly of FIGS. 1 to 4. 42.

Bearing 42 includes a bearing shell 52 supported by a crankshaft 54 drivingly connected to a drive shaft 56 having an axis 58. This bearing shell is supported on the crank@54 by a roller bearing assembly 60. The end of the crankshaft 54 remote from the drive shaft 56 supports a generally circular base plate 62 that encloses an off-center sleeve portion 64 . This sleeve portion 64 is keyed and tightened to the crankshaft using a key 66, a tightening plate 68, and a bolt 70.

A dome-shaped cover 72 is connected to the base plate 62, and a bearing 76 rotatably supported on a hollow short shaft 78 is connected to the base plate 62.
It has an axially central, integral sleeve portion 74 that includes.

The axis of the short shaft 78 is the axis I of the drive shaft 56! Located on J58. A pipe assembly 80 is connected at right angles to the end of the short shaft 78 and is supported by a flexible mount 82 which rests on a fixed surface 84 of the machine. Pipe assembly 8
0 is connected to another pipe assembly 87 leading to an oil sump (not shown) in the machine.

The base plate 62 supports a counterweight 63 that balances additional components connected to the crankshaft 54 about the axis 58 that are not symmetrical about the @ line 58 .

These parts mainly include the tightening plate 68, the bolt 70, and the annular sleeve portion 65 of the base plate 62 that supports the oil seal 67 surrounding the end of the crankshaft 54.
There is. Crankshaft 54 has its own integral counterweight 55.

In use, oil is pumped from the oil reservoir into a passage 86 in the drive shaft 56 and through a passage 88 in the crankshaft 54 to lubricate the bearing 6o.

Excess oil 93 (FIG. 6) enters chamber 90 and then enters collection tube 92 by centrifugal force. Oil collected in tube 92 flows through passage 94 in short axis 78 and returns to the oil sump by pipe assembly 80.84. Bearing 7
6 is lubricated in part by a discharge passage 96 extending from passage 94.

A slightly modified bearing assembly is shown in FIGS. 7 and 8. The operation is similar to that of FIGS. 5 and 6, and like reference numerals are given to parts having similar functions. 7th
The differently shaped collection tube 92 of FIGS. 5 and 8 is believed to be more efficient at collecting oil within chamber 90 than that of FIGS. 5 and 6.

[Brief explanation of the drawing]

FIG. 1 is a perspective view of the support assembly. 2 is an end view of the support assembly of FIG. 1; FIG. 3 is a side view of the support assembly of FIG. 1; FIG. 4 is a partially enlarged detail view of the support assembly of FIG. 1; FIG. 5 is a cross-sectional view of a bearing assembly suitable for use with the pedestal assembly of FIG. 1; FIG. 6 is a partially detailed view of the bearing assembly of FIG. 5; FIG. 7 is a cross-sectional view of a modified bearing assembly suitable for use with the support assembly of FIG. 1; and FIG. 8 is a partially detailed view of the bearing assembly of FIG. 7. In the drawings, 10... frame support tube, 12...
・Beam, 14...Lower number A'' part, 16...Spring, 18
...Fixed support member, 2o...Upper mounting part, 22...
・Spring, 24...Fixed support attachment part, 26...Frame, 28...Bar line, 30...Bar cutting knife, 3
2... Rotating cutting drum, 34... Deburring wheel, 36... Connecting rod, 38... Small end bearing, 40...
Drive member, 42... Big end bearing, 52... Bearing shell, 54... Crankshaft, 56... Drive 1'JJ axis, 6
0... Roller bearing assembly, 62... Board, 64...
Sleeve part, 66...key, 68...tightening fJ plate, 7
0... Bolt, 72... Cover, 74... Sleeve part, 76... Bearing, 78... Short shaft, 80... Pipe assembly, 82... Flexible mounting part, 84... Fixed surface, 87... Pipe assembly, 90... Chamber, 92...
- Collection tube, 94... passage, 96... discharge passage.

Claims (21)

[Claims] (1) A machine for manufacturing rod-shaped articles, which includes a continuous rod cutting device and a support assembly, the support assembly having means for supporting the rod during cutting, and a mechanism for supporting the support means. A rigid beam, a driving means for reciprocating the beam,
resilient means supporting the beam, the resilient means resisting movement of at least the portion of the beam (12) supporting the support means (10) in a direction substantially parallel to the bar (28); A machine characterized in that it comprises first means (22) for permitting and second means (16) for permitting a substantially lateral movement of said part relative to said bar. (2) A machine according to claim 1, in which the support means (10) is moved by a rod ( 28) A machine characterized in that it is arranged so as to move substantially parallel to 28). (3) A machine according to claim 1 or 2, characterized in that the first means (22) is connected to allow reciprocating movement of the intermediate portion of the beam. (4) In the machine according to any one of claims 1 to 3, the second means (16)
is arranged so that it can reciprocate in the lateral direction. (5) The machine according to claim 3 or 4, wherein the reciprocating motion is a rotational motion. (6) Any one of claims 1 to 5.
The machine according to claim 1, wherein the first means is a beam (12
) comprising means (22) extending parallel to the longitudinal axis of the machine. (7) A machine according to any one of claims 1 to 6, in which the second means
2) A machine characterized in that it includes means (16) extending transversely to the longitudinal axis. (8) In the machine according to claim 6 or 7, the first means (22) and the second means (16)
) consists of at least one leaf spring. (9) A machine according to any one of claims 1 to 8, in which the beam (12) is arranged at each of the first
A machine characterized in that the means (22) are connected to the second means (16). (10) The machine according to claim 9, wherein each of the portions (20, 14) is connected to the first means (22).
, is restrained by the second means (16), and the beam (
12) is adapted to follow different arcuate paths when reciprocated by said drive means (36). (11) In the machine according to any one of claims 1 to 10, the support means (1
0) is supported at or near one end of a beam (12), and the second means (16) is connected to or near the opposite end of the beam. (12) In the machine according to claim 11,
characterized in that second means (16) substantially prevent movement of said opposite end of the beam (12) in a direction parallel to the longitudinal movement of the rod (28) passing through said support means (10). A machine that does. (13) In the machine according to any one of claims 1 to 12, the first means (22)
extends from the fixed attachment (24) to the connection to the beam (12) in a direction substantially away from the support means (10). (14) A machine for manufacturing rod-shaped articles, which includes a continuous rod cutting device and a support assembly, the support assembly having means for supporting the rod during cutting, and a support assembly for supporting the support means. a rigid beam, drive means for reciprocating said beam, and first attachment means allowing movement of the beam (12) so that said support means (10) can move in a direction parallel to the bar (28). (20-24) and second attachment means (14-24) allowing movement of the beam such that said support means can move laterally relative to the bar.
18), and the support means includes the drive means (36).
) is constrained to follow a substantially straight path that at least partially encircles the rod during reciprocating motion by the rod. (15) In the machine according to claim 14,
The drive means (36) is connected to the second attachment means (14-18).
) around the pivot axis defined by the beam (1
2), and the first attachment means (20 to 24)
) comprises means for moving said pivot axis transversely to the longitudinal path of the rod (28) passing through said support means (10). (16) In the machine according to claim 15,
A machine characterized in that said first attachment means (20-24) consist of rotation means. (17) A machine for manufacturing rod-shaped articles, which includes a continuous rod cutting device and a support assembly, means for supporting the rod during cutting by the support assembly, and a drive for moving the support means. The drive means includes a bearing, means for configuring a path for supplying pressurized lubricant to the bearing, and means for configuring a return path for the lubricant, and the driving means includes a bearing, and means for configuring a return path for the lubricant, and the drive means includes a bearing, and a means for configuring a path for supplying pressurized lubricant to the bearing. means comprising a housing (72) for receiving the lubricant passed through the bearing (42) and collection means (92) movable relative to the lubricant in this housing, Machine, characterized in that it is adapted to press the lubricant along another part (94) connected to the collection means. (18) In the machine according to claim 17,
Machine, characterized in that said housing (72) can rotate together with the movable part of said bearing (42), and said collecting means (92) are fixed. (19) A machine as claimed in claim 17 or 18, wherein the housing includes a chamber (90) having a generally cylindrical part, and the collection means is arranged on the inner circumferential surface of this cylindrical part. means (92) disposed adjacent to the for collecting lubricant transferred to the circumferential surface of said cylindrical part by the action of centrifugal force and forcing it along said return path (94);
). (20) In the machine according to any one of claims 17 to 19, the supply path (
86, 88) and the return path (94, 80) are connected to the bearing (4
2) A machine characterized by being on both sides. (21) In the machine according to any one of claims 17 to 20, the housing (72
) is supported by the collecting means (92, 78) or at least partially rotatably supported by a further bearing (76) connected thereto.