CN215583133U - Air blowing device for flexibly conveying cut tobacco of cigarette making machine - Google Patents

Abstract

A blowing device for flexibly conveying cut tobacco of a cigarette making machine comprises a blowing rod, connecting pipe and air supply air-vent valve, a ventilation chamber has been seted up along its axial to the pole of blowing, the ventilation chamber runs through the pole of blowing, the one end of the pole of blowing is through a sealing bolt fixed mounting on first wall body, the other end of the pole of blowing is through a connecting bolt fixed mounting on the second wall body, a ventilation hole has been seted up along its axial to connecting bolt, ventilation hole and ventilation chamber intercommunication, the opposite side in ventilation hole is connected with an air pipe connector, the other end of air pipe connector is connected with a connecting pipe, the gas outlet intercommunication of connecting pipe and air supply air-vent valve, the external air supply of air inlet of air supply air-vent valve passes through the pipeline, the pole of blowing sets up in the one side that is close to the throwing roller, several hole of blowing has evenly been seted up on the one end side of the pole orientation throwing roller, hole and ventilation chamber intercommunication. The utility model can improve the evenness of throwing thread and reduce the loose end rate of cigarettes.

Description

Air blowing device for flexibly conveying cut tobacco of cigarette making machine

Technical Field

The utility model relates to the technical field of tobacco equipment, in particular to a blowing device for flexibly conveying cut tobacco of a cigarette making machine.

Background

In the tobacco shred supply system of the cigarette making machine, the tobacco shred throwing roller part is an important component part and has the function that the tobacco shred after primary air separation is thrown into the tobacco shred sucking channel when the tobacco shred throwing roller rotates, the tobacco shred is subjected to the double functions of positive pressure air blowing of the lower air chamber and negative pressure of the air chamber body in the tobacco shred sucking channel, and the tobacco shred is smoothly adsorbed on the tobacco shred sucking belt to prepare for the rolling and forming of cigarettes.

The spinning roller assembly has high rotating speed, the requirement of dynamic balance precision reaches G6.4 level, and the setting value of the gap between the spinning roller and the arc-shaped plate is not more than 0.6 mm; therefore, the tobacco shreds are conveyed completely by the rotation speed of the throwing roller and the friction mode of hard striking. Therefore, the degree of the fragments of the tobacco shreds is increased, and the loose end rate of the cigarettes is influenced; secondly, the mode that the tobacco shreds enter the throwing roller depends on the dead weight is adopted, the distribution uniformity of the tobacco shreds in the rotary conveying process of the throwing roller has certain influence, and even the quantity of the tobacco shreds affects the force and uniformity of the throwing roller for conveying the tobacco shreds into the vertical air channel and the shred suction channel. Therefore, the cigarette making machine cut tobacco supply system generally has unstable empty head rate, and cut tobacco blockage faults at the upper part, the lower part and the right side of a VE air duct have certain influence on the quality of products and the efficiency of equipment.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects in the prior art, provides a blowing device for flexibly conveying cut tobacco of a cigarette making machine, and solves the problems that when a throwing roller in a cut tobacco supply system of the cigarette making machine in the prior art conveys the cut tobacco, the throwing roller easily crushes the cut tobacco, so that the throwing roller is difficult to throw sufficient cut tobacco every time, the cigarette end loss rate is influenced, the cut tobacco depends on the gravity of the throwing roller when entering the throwing roller, the distribution of the cut tobacco when entering the throwing roller is not uniform enough, and the end loss rate of the cigarette is easily improved.

In order to achieve the purpose, the utility model adopts the technical scheme that:

a blowing device for flexibly conveying cut tobacco of a cigarette making machine comprises a blowing rod, a connecting pipe and an air source pressure regulating valve, wherein the blowing rod is provided with a ventilation cavity along the axial direction of the blowing rod, the ventilation cavity penetrates through the blowing rod, one end of the blowing rod is fixedly arranged on a first wall body through a sealing bolt, the other end of the blowing rod is fixedly arranged on a second wall body through a connecting bolt, the connecting bolt is provided with a ventilation hole along the axial direction of the connecting bolt, the ventilation hole is communicated with the ventilation cavity, the other side of the ventilation hole is connected with an air pipe joint, the other end of the air pipe joint is connected with a connecting pipe, the connecting pipe is communicated with an air outlet of the air source pressure regulating valve, an air inlet of the air source pressure regulating valve is externally connected with an air source through a pipeline, the blowing rod is arranged on one side close to a thread throwing roller, and a plurality of blowing holes are uniformly formed in the side surface of the blowing rod, which faces towards one end of the thread throwing roller, the blowhole is communicated with the ventilation cavity.

Furthermore, the sealing bolt and the connecting bolt are both in threaded connection with two ends of a ventilation cavity on the blowing rod, and the air pipe joint is in threaded connection with a ventilation hole in the connecting bolt.

Furthermore, a gasket is arranged between the sealing bolt and the first wall body and between the connecting bolt and the second wall body.

Further, a mounting gasket is arranged between the air pipe joint and the connecting bolt.

The cigarette throwing device is simple in structure and reasonable in design, the blowing rod is arranged on one side of the yarn throwing roller, negative pressure air can be blown into the blowing cavity on the blowing rod through the air holes in the connecting bolts and the connecting pipes, the blown negative pressure air can be blown out through the blowing holes on one side of the yarn throwing roller, and therefore cut tobaccos in the cavity are blown into the yarn throwing roller and are discharged into the yarn sucking channel through the yarn throwing roller to enter the next procedure to form cigarettes. The utility model can give a certain initial speed to the cut tobacco entering the throwing roller through the blowing rod, so that the cut tobacco has a certain initial speed in the same direction as the throwing roller when entering the throwing roller, thereby reducing the effect of the throwing roller on the cut tobacco when rotating, reducing the fragment degree of the cut tobacco, even if the fragments are generated, the generated fragments can be blown into the throwing roller by the blowing on the blowing rod and are sent into the cut tobacco suction channel along with the complete cut tobacco, and simultaneously, the amount of the cut tobacco blown into the throwing roller is also certain because the negative pressure air blown by the blowing rod is basically consistent, the amount of the cut tobacco entering the throwing roller each time can be ensured, the generation of empty cigarettes is reduced, and the product quality is improved.

Drawings

FIG. 1 is an exploded view of the apparatus of the present invention;

FIG. 2 is a schematic view of the installation structure of the blowing rod on the first wall and the second wall;

FIG. 3 is a schematic view of the installation structure of the device at the position of the wire-throwing roller;

in the figure: 1. the air blowing device comprises an air blowing rod, 2, a connecting pipe, 3, an air source pressure regulating valve, 4, a ventilation cavity, 5, a sealing bolt, 6, a first wall body, 7, a connecting bolt, 8, a second wall body, 9, a ventilation hole, 10, an air pipe joint, 11, an air outlet, 12, an air inlet, 13, a wire throwing roller, 14, a blowing hole, 15, a gasket, 16 and an installation gasket.

Detailed Description

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

As shown in fig. 1-3, the blowing device for flexibly conveying cut tobacco of a cigarette making machine comprises a blowing rod 1, a connecting pipe 2 and an air source pressure regulating valve 3, wherein the blowing rod 1 is provided with a ventilation cavity 4 along the axial direction thereof, the ventilation cavity 4 penetrates through the blowing rod 1, one end of the blowing rod 1 is fixedly mounted on a first wall 6 through a sealing bolt 5, the other end of the blowing rod 1 is fixedly mounted on a second wall 8 through a connecting bolt 7, the connecting bolt 7 is provided with a ventilation hole 9 along the axial direction thereof, the ventilation hole 9 is communicated with the ventilation cavity 4, the other side of the ventilation hole 9 is connected with an air pipe joint 10, the other end of the air pipe joint 10 is connected with the connecting pipe 2, the connecting pipe 2 is communicated with an air outlet 11 of the air source pressure regulating valve 3, an air inlet 12 of the air source pressure regulating valve 3 is externally connected with an air source through a pipeline, the blowing rod 1 is arranged at one side close to the filament throwing roller 13, a plurality of blowing holes 14 are uniformly formed in the side face of one end, facing the filament throwing roller 13, of the blowing rod 1, and the blowing holes 14 are communicated with the ventilation cavity 4; the sealing bolt 5 and the connecting bolt 7 are both in threaded connection with two ends of a ventilation cavity 4 on the blowing rod 1, and the air pipe joint 10 is in threaded connection with a ventilation hole 9 on the connecting bolt 7; gaskets 15 are arranged between the sealing bolt 5 and the first wall body 6 and between the connecting bolt 7 and the second wall body 8; a mounting gasket 16 is arranged between the air pipe joint 10 and the connecting bolt 7.

The utility model has simple structure and reasonable design, the blowing rod 1 can be arranged at one side of the thread throwing roller 13, the blowing rod 1 can blow negative pressure air into the blowing cavity 4 on the blowing rod 1 through the vent hole 9 on the connecting bolt 7 and the connecting pipe 2, and the blown negative pressure air can be blown out through the blowing hole 14 facing one side of the thread throwing roller 13, so that the tobacco shreds in the cavity are blown into the thread throwing roller 13 and are discharged into a tobacco sucking channel through the thread throwing roller 13 to enter the next procedure to form cigarettes. According to the utility model, a certain initial speed can be given to the cut tobacco entering the throwing roller 13 through the blowing rod 1, so that the cut tobacco has a certain initial speed in the same direction as the throwing roller when entering the throwing roller 13, the effect of the throwing roller 13 on the cut tobacco when rotating is further reduced, the fragment degree of the cut tobacco is reduced, even if the fragments are generated, the generated fragments can be blown into the throwing roller 13 by the blowing on the blowing rod 1 and are sent into a cut tobacco suction channel along with the complete cut tobacco, and meanwhile, because the negative pressure air blown out by the blowing rod 1 is basically consistent, the amount of the cut tobacco blown into the throwing roller 13 is also certain, the amount of the cut tobacco entering the throwing roller 13 every time can be ensured, the generation of empty-head tobacco is reduced, and the quality of products is improved.

The above-described embodiments are illustrative of the present invention and not restrictive, it being understood that various changes, modifications, substitutions and alterations can be made herein without departing from the principles and spirit of the utility model, the scope of which is defined by the appended claims and their equivalents.

Claims (4)

1. A blowing device for flexibly conveying cut tobacco of a cigarette making machine comprises a blowing rod (1), a connecting pipe (2) and an air source pressure regulating valve (3), and is characterized in that the blowing rod (1) is provided with a ventilation cavity (4) along the axial direction of the blowing rod, the ventilation cavity (4) penetrates through the blowing rod (1), one end of the blowing rod (1) is fixedly arranged on a first wall body (6) through a sealing bolt (5), the other end of the blowing rod (1) is fixedly arranged on a second wall body (8) through a connecting bolt (7), the connecting bolt (7) is provided with a ventilation hole (9) along the axial direction of the connecting bolt, the ventilation hole (9) is communicated with the ventilation cavity (4), the other side of the ventilation hole (9) is connected with an air pipe joint (10), the other end of the air pipe joint (10) is connected with the connecting pipe (2), the connecting pipe (2) is communicated with an air outlet (11) of the air source pressure regulating valve (3), an air inlet (12) of the air source pressure regulating valve (3) is externally connected with an air source through a pipeline, the air blowing rod (1) is arranged on one side close to the wire throwing roller (13), the air blowing rod (1) faces towards one end side face of the wire throwing roller (13) and is evenly provided with a plurality of air blowing holes (14), and the air blowing holes (14) are communicated with the ventilation cavity (4).

2. The blowing device for the flexible conveying of the cut tobacco of the cigarette making machine according to the claim 1 is characterized in that the sealing bolt (5) and the connecting bolt (7) are both connected with the two ends of the ventilation cavity (4) on the blowing rod (1) in a threaded manner, and the air pipe joint (10) is connected with the ventilation hole (9) on the connecting bolt (7) in a threaded manner.

3. An air blowing device for the flexible conveying of cut tobacco of a cigarette making machine according to claim 1, characterized in that a gasket (15) is arranged between the sealing bolt (5) and the first wall body (6) and between the connecting bolt (7) and the second wall body (8).

4. A blowing device for the flexible feeding of cut tobacco from cigarette making machines according to claim 1, characterized in that a mounting gasket (16) is provided between the air pipe joint (10) and the connecting bolt (7).

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