CN110802095A - Cigarette filter rod forming machine dust removal device, dust removal method and cigarette filter rod forming machine - Google Patents

Abstract

The invention relates to a dust removal device for a cigarette filter rod forming machine, a dust removal method and a cigarette filter rod forming machine, wherein the dust removal device comprises a plurality of areas to be dedusted, a plurality of dust covers (10), a plurality of dust suction devices (20) and A collection device (30), a plurality of dust covers (10) are provided on the outer periphery of the plurality of dust-removing areas, and a plurality of dust suction devices (20) are correspondingly arranged with the plurality of dust covers (10) to absorb The dust device (20) is used for absorbing and storing the dust generated in the dust cover (10), the collecting device (30) is connected with a plurality of the dust collecting devices (20), and the collecting device (30) is used for collecting a plurality of dust collecting devices (20). the dust stored in each of the dust collection devices (20). The cigarette filter rod forming machine includes the above-mentioned dust removal device. The present invention improves the existing dust removal method, is beneficial to reduce the overall floor space of the dust removal device, and is also beneficial to reduce the equipment configuration and save the input cost.

Description

Cigarette filter rod forming machine dust removal device, dust removal method and cigarette filter rod forming machine

technical field

The invention relates to the technical field of tobacco machinery, in particular to a dust removal device for a cigarette filter rod forming machine, a dust removal method and a cigarette filter rod forming machine.

Background technique

At present, the forming workshops of tobacco manufacturers are usually equipped with multiple sets of filter rod forming units, which are used to process the acetate tow into cigarette filter rods. In the production process of filter rods, especially in the process of tow feeding and opening, broken filaments, short fibers and fibrous flakes will be produced. The stability of the molding unit equipment will also affect the health of the operators.

In order to achieve the purpose of dust removal, there are currently two solutions in the existing technology. One is single-machine dust removal. One molding unit needs to correspond to a set of dust removal equipment, which covers a large area, requires a lot of equipment, and requires a large investment; the other is centralized dust removal. , but multiple units perform unified dust removal at the same time, the fan power is large, and the noise is large, so it cannot be placed outdoors, and the air conditioner needs to consume more electric energy when placed indoors. In addition, due to production scheduling, the air volume and speed of this dust removal system are easily affected without constant, which in turn affects the swing range of the tow band, resulting in unstable opening effect, and finally affects the stability of the suction resistance of the filter rod.

It should be noted that the information disclosed in the Background of the Invention section is only intended to increase understanding of the general background of the invention, and should not be taken as an acknowledgement or any form of suggestion that the information constitutes already known to those skilled in the art current technology.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a dust removal device, a dust removal method and a cigarette filter rod forming machine for a cigarette filter rod forming machine, which can improve the existing dust removal method and help reduce the floor space of the dust removal device.

In order to achieve the above purpose, the present invention provides a dust removal device for a cigarette filter rod forming machine, comprising:

Multiple areas to be dedusted;

a plurality of dust covers, which are arranged on the outer periphery of the plurality of areas to be dust-removed;

a plurality of dust collection devices, corresponding to the plurality of dust covers, for absorbing and storing dust generated in the dust covers; and

The collecting device is connected to the plurality of vacuum cleaners and is used for collecting dust stored in the plurality of vacuum cleaners.

In some embodiments, the number of dust collectors and dust covers are equal and arranged in a one-to-one correspondence.

In some embodiments, the dust removal device further includes a control device, the control device is in signal connection with the dust suction device and the collection device, and the control device is used for controlling the collection device to collect the dust stored in the plurality of dust collection devices one by one.

In some embodiments, the dust extraction device is provided above the dust cover.

In some embodiments, the dust collecting device includes a fan and a filter screen, the filter screen is arranged upstream of the fan, and the dust adheres to the filter screen.

In some embodiments, the dust removal device further includes a driving device and a wiper, and the driving device is used for driving the wiper to move to remove the dust adhering to the filter screen.

In some embodiments, the dust suction device includes a casing, the casing includes an outer wall and an inner wall disposed inside the outer wall, an end of the inner wall close to the dust cover is connected to the outer wall, and the filter screen is installed The inner wall is provided with a plurality of ventilation holes at one end of the inner wall away from the dust cover.

In some embodiments, the dust removal device further includes a connecting pipe, the collecting device communicates with the dust suction device through the connecting pipe, and an on-off valve is arranged on the connecting pipe.

In some embodiments, the side of the dust cover is provided with an openable and closable door.

In some embodiments, the dust removal device further includes a plurality of feeding devices and a plurality of unpacking devices, the feeding devices and the unpacking devices are arranged in the dust cover, and the feeding device is used to make the bundle of tow enter the dust cover , the unpacking device is used to unpack the tow package, and the tow package includes a plurality of tows used for making cigarette filter rods.

In order to achieve the above purpose, the present invention also provides a cigarette filter rod forming machine, including the above-mentioned dust removal device for the cigarette filter rod forming machine.

In order to achieve the above purpose, the present invention also provides a dust removal method based on the above-mentioned dust removal device of the cigarette filter rod forming machine, comprising:

Activate multiple vacuuming devices to absorb and store the dust generated in the dust cover;

After the first preset time has elapsed, the dust collector is turned off, the collecting device is activated, and the dust stored in the dust collector is collected.

In some embodiments, collecting dust stored in the vacuuming device includes:

Collect the dust stored in a plurality of dust collectors one by one.

In some embodiments, while the dust stored in one of the vacuuming devices is being collected, the other vacuuming devices are still on.

In some embodiments, the dust removal method further includes:

After the dust stored in one of the vacuum cleaners is collected, the dust stored in the other vacuum cleaner is collected after a second preset time interval.

Based on the above technical solutions, in the embodiment of the present invention, the dust stored in the plurality of dust collection devices is collected by the collection device. For the purpose of dust removal in the inner space, compared with the scheme of configuring a complete dust removal device for each dust cover, it is beneficial to reduce the overall footprint of the dust removal device, as well as to reduce equipment configuration and save investment. cost.

Description of drawings

The accompanying drawings described herein are used to provide a further understanding of the present invention and constitute a part of the present application. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation of the present invention. In the attached image:

FIG. 1 is a schematic structural diagram of an embodiment of a dust removal device for a cigarette filter rod forming machine according to the present invention.

2 is a schematic structural diagram of a dust cover and a dust suction device in an embodiment of the dust removal device of the cigarette filter rod forming machine according to the present invention.

FIG. 3 is a schematic structural diagram of a dust suction device in an embodiment of the dust removal device of the cigarette filter rod forming machine according to the present invention.

In the picture:

10. Dust cover; 11. Cover body; 12. Top cover; 20. Dust collection device; 21. Outer wall; 22. Inner wall; 23. Ventilation hole; 24. Air outlet; 30. Collection device; 40 , control device; 50, connecting pipe; 60, switch valve; 70, wiper.

Detailed ways

The technical solutions in the embodiments will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, but not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

In the description of the present invention, it should be understood that the terms "center", "horizontal", "portrait", "front", "rear", "left", "right", "top", "bottom", " The orientation or positional relationship indicated by vertical, horizontal, top, bottom, inner, outer, etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and The description is simplified rather than indicating or implying that the device or element referred to must have a particular orientation, be constructed and operate in a particular orientation, and therefore should not be construed as limiting the scope of protection of the present invention.

As shown in FIG. 1 , in one embodiment of the dust removal device for a cigarette filter rod forming machine provided by the present invention, the dust removal device includes a plurality of areas to be dedusted, a plurality of dust covers 10 , a plurality of dust suction devices 20 and a collection device 30. A plurality of dust covers 10 are arranged on the outer periphery of the plurality of areas to be dedusted, so that the areas to be dedusted are in a substantially closed state, so as to facilitate dust removal in the areas to be dedusted. A plurality of dust collectors 20 are provided corresponding to the plurality of dust covers 10, the dust collectors 20 are used to absorb and store the dust generated in the dust cover 10, and the collection device 30 is connected to the plurality of dust collectors 20, and the collection device 30 is used for For collecting the dust stored in the plurality of vacuum cleaners 20 .

In the above-mentioned embodiment, the dust stored in the plurality of dust collectors 20 is collected by the collection device 30 , the dust cover 10 is arranged corresponding to the dust collector 20 , and the dust collector 20 and the collector 30 cooperate to realize the dust collection The purpose of removing dust in the space inside the dust cover 10 is beneficial to reducing the overall footprint of the dust removal device, as well as reducing Equipment configuration, saving investment costs.

For a scenario with multiple areas to be dedusted, the number of collection devices 30 may be one, and one collection device 30 realizes simultaneous collection or time-sharing collection of the dust stored in the multiple dust collection devices 20, compared to each For the solution in which the dust collecting device 20 corresponds to one collecting device 30, the equipment configuration can be greatly reduced, and the total number of equipment can be reduced, which can not only reduce the floor space but also save the input cost.

The dust removal device also includes a plurality of feeding devices and a plurality of unpacking devices. The feeding devices and the unpacking devices are arranged in the dust cover 10. The feeding device is used to make the tow package enter the dust cover 10. The unpacking device It is used to disassemble tow packs, which include a plurality of tows used to make cigarette filter rods.

The debris and dust generated during the dismantling process of the tow package can be absorbed and stored by the dust collection device 20, and then the dust can be collected by the collection device 30 to achieve the purpose of dust removal.

In the above embodiment, the number of dust collectors 20 may be more than the number of dust covers 10, and one dust cover 10 is equipped with at least one dust collector 20, so that all dust in the dust cover 10 can be absorbed and cleaned. storage.

In some optional embodiments, the number of dust collectors 20 is equal to the number of dust covers 10 and they are arranged in a one-to-one correspondence, that is, one dust collector 20 corresponds to one dust cover 10 .

The number of the dust cover 10 is more than the number of the areas to be dedusted, so that all the areas to be dedusted can be covered by the dust cover 10 .

The dust cover 10 includes a cover body 11 and a top cover 12 . The top cover 12 is disposed on the top of the cover body 11 and is used to close the top opening of the cover body 11 .

In the embodiment shown in FIG. 1 and FIG. 2 , the cover body 11 has a cylindrical shape, and can also have other shapes such as a square. The top cover 12 is in the shape of a cone, the upper surface area of the top cover 12 is smaller than the lower surface area, and the four side surfaces of the top cover 12 are in the shape of a trapezoid.

The side of the cover body 11 is provided with an openable and closable door. When the door is opened, the tow package can enter the cover body 11;

The door can be a side door, a double door or a rolling door.

The dust collector 20 is arranged above the dust cover 10 , for example, the dust collector 20 is mounted on the top cover 12 . The air inlet of the dust collector 20 communicates with the inner space of the dust cover 10 .

The dust collecting device 20 includes a fan and a filter screen, the filter screen is arranged upstream of the fan, and the dust adheres to the filter screen.

The filter screen can be arranged upstream of the air inlet of the fan or upstream of the air outlet of the fan, as long as the dust in the air is filtered through the filter screen before the air is discharged.

As shown in FIG. 3 , the dust removal device further includes a driving device and a wiper 70 , and the driving device is used for driving the wiper 70 to move to remove the dust adhering to the filter screen.

By setting the scraping brush 70, the dust adhering to the filter screen can be removed more conveniently and thoroughly. The driving device may use a driving member such as a motor.

The dust suction device 20 includes a housing, the fan and the filter screen are arranged in the housing, the driving device can also be arranged in the housing, and the wiper 70 is arranged below the filter screen.

The shell includes an outer wall 21 and an inner wall 22 arranged inside the outer wall 21. The end of the inner wall 22 close to the dust cover 10 is connected to the outer wall 21, and the filter screen is installed away from the inner wall 22. At one end of the dust cover 10 , the inner wall 22 is provided with a plurality of ventilation holes 23 .

The shell is set as a double-layer structure, there is a gap between the inner wall 22 and the outer wall 21, the length of the inner wall 22 is shorter than the length of the outer wall 21, and the inner wall 22, the filter screen and the outer wall 21 are separated. The formed space communicates with the space inside the dust cover 10 through the plurality of ventilation holes 23 and the plurality of filter holes on the filter screen.

The ventilation hole 23 is located below the filter screen, and the dust scraped by the scraping brush 70 is collected by the collecting device 30 through the ventilation hole 23 under the action of negative pressure.

The dust removal device further includes a connecting pipe 50 through which the collecting device 30 communicates with the dust collecting device 20 . When the collecting device is working, the dust stored in the dust collecting device 20 can enter the collecting device through the connecting pipe 50 .

To accommodate free space in the arrangement space, the connecting pipe 50 may include multiple sections. For example, in the embodiment shown in FIG. 1 , the connecting pipe 50 includes a first vertical section, a horizontal section and a second vertical section. The dust in the dust device 20 enters the connecting pipe 50 under the action of side suction, one end of the horizontal section is connected with the first vertical section, and the middle can be connected to the second vertical section by bending, and the second vertical section is connected with the collecting device Connected.

The number of the connecting pipes 50 is equal to the number of the vacuum cleaners 20 , and each of the vacuum cleaners 20 is respectively connected to the collecting device 30 through its corresponding connecting pipe 50 . Each connecting pipe 50 can be connected to the same point and then connected to the collecting device 30 through the connecting manifold.

An on-off valve 60 is provided on the connecting pipe 50 . By setting the on-off valve 60 , it can be controlled whether the dust stored in the dust collecting device 20 can enter the collecting device 30 through the connecting pipe 50 .

The collecting device 30 may include a fan and a dust collecting box. The fan generates suction, and the dust in the multiple dust collecting devices 20 is uniformly collected in the dust collecting box through the connecting pipe 50. When the dust in the dust collecting box reaches the preset storage amount. , you can take out the dust box to dispose of the dust.

The dust removal device further includes a control device 40, the control device 40 is signally connected to the dust suction device 20 and the collection device 30, and the control device 40 is used to control the collection device 30 to collect the dust stored in the plurality of dust collection devices 20 one by one.

By setting the control device 40, the vacuum cleaner 20 and the collection device 30 can be automatically controlled to realize automatic dust collection and dust collection.

The control device 40 is used to control the collection device 30 to collect the dust stored in the plurality of dust collection devices 20 one by one, that is, the collection device 30 collects the dust in one dust collection device 20 at a time, which can reduce the dust collected by the collection device 30 . Energy consumption and noise are also low, and it is also beneficial to improve the stability of the air volume and speed in the entire dust removal device, avoid the tow belt swinging, and ensure the stability of the opening effect.

The control device 40 can also be connected to the on-off valve 60 by a signal to control the opening and closing of the on-off valve 60 . After the switch valve 60 is opened, the connecting pipe 50 is in a conducting state, and the dust in the dust suction device 20 can enter the collecting device 30 through the connecting pipe 50; when the switching valve 60 is closed, the connecting pipe 50 is in a non-conducting state, even if When the collecting device 30 is in working state, the dust in the dust collecting device 20 cannot enter the collecting device 30 through the connecting pipe 50 .

The control device 40 can also be signally connected to the drive device to control the movement of the wiper 70 by the control device 40 .

The working process of an embodiment of the dust removal device of the present invention will be described below in conjunction with accompanying drawings 1 to 3:

In this embodiment, there are 6 cigarette filter rod forming units in the forming workshop of a tobacco production enterprise, as shown in FIG. 1 . The entire dust removal device includes 6 areas to be vacuumed, 6 dust covers 10, 6 dust collection devices 20 and a collection device 30. Assuming that a working cycle of 80 minutes is set in the control device 40 of the dust removal device first, The time for centralized dedusting of each unit is set to 3 minutes, and the interval between the two units is 1 minute.

During production, the control device 40 first collects the start and stop data of each vacuuming device 20 in the cigarette filter rod forming unit. Suppose production starts at 8:00 on a certain day, 1# to 5# cigarette filter rod forming units are in normal production, and 6# cigarette filter rods are in normal production. The forming machine is scheduled to stop. From this data, the dust removal device will process the dust in the 1# to 5# units.

In the first stage, the dust collectors 20 in the 1# to 5# units are activated to absorb the filter rod dust generated in the dust cover 10 of the respective units, and the absorbed filter rod dust adheres to the filter screen. In the first stage, the on-off valves 60 on the connecting pipes 50 in the 1# to 5# units are all in a closed state, and the wiper 70 is in a state of stopping rotation.

In the second stage, the specific operation steps are as follows:

1. At 9:20, stop the vacuuming device 20 in the 1# unit;

2. Open the switch valve 60 in the 1# unit;

3. Start the collecting device 30;

4. Start the scraping brush 70 in the 1# unit to scrape the dust attached to the filter screen back and forth. After the dust falls off, the side suction air generated by the collecting device 30 is sucked into the connecting pipe 50 through the ventilation hole 23 on the inner side of the dust suction device 20. , and then reach the collecting device 30 through the connecting main pipe;

5. After 3 minutes, that is, at 9:23, stop the scraper 70 in the 1# unit;

6. Stop the collecting device 30;

7. Close the switch valve 60 in the 1# unit;

8. Turn on the dust collector 20 in the 1# unit, and the 1# unit re-enters the first stage;

After an interval of 1 minute, that is, at 9:24, the dust removal device will collect the dust stored in the 2# unit, and so on. By 9:40, the sequence cycle will complete the first cycle of the molding units in the whole workshop on a certain day. Dust collection.

At 10:40, the second dust collection of each molding unit in the whole workshop began on a certain day. And so on, the sequence loops to the end of the day's production.

In this embodiment of the dust removal device, the dust of each unit is initially collected by a single machine and stored in the respective dust collection devices 20, and then collected by the collection device 30 in a unified manner at regular intervals. In this embodiment of the dust removal device, the dust collection device 20 is located above the dust cover 10 and occupies a small area; the collection device 30 collects the dust in the plurality of dust collection devices 20 one by one, which can be realized by using a low-power fan, Low energy consumption and low noise; two-stage suction method is adopted, and wheel suction method is adopted in the second stage. For a single unit, the air volume and wind speed in the dust removal device are constant, and will not be affected by the change of the number of starting units. The change can prevent the unbalanced wind from affecting the swing range of the tow belt, resulting in unstable opening effect, and finally affecting the stability of the suction resistance of the filter rod; the collecting device 30 has low noise and can be placed indoors, avoiding the need to be placed in Energy loss caused by outdoor.

Based on the above-mentioned dedusting device for the cigarette filter rod forming machine, the present invention also provides a cigarette filter rod forming machine, which includes the above-mentioned dedusting device for the cigarette filter rod forming machine.

Based on the above-mentioned dedusting device of the cigarette filter rod forming machine, the present invention also provides a dedusting method, comprising:

Activate a plurality of dust collectors 20 to absorb and store the dust generated in the dust cover 10;

After the first preset time has elapsed, the dust collecting device 20 is turned off, the collecting device 30 is activated, and the dust stored in the dust collecting device 20 is collected.

In some embodiments, collecting dust stored in the dust collection device 20 includes:

The dusts stored in the plurality of dust collectors 20 are collected one by one.

In some embodiments, while the dust stored in one of the vacuum cleaners 20 is being collected, the other vacuum cleaners 20 are still turned on. In this way, the multiple vacuum cleaners 20 can be vacuumed in turn, and at the same time, when the dust of one of the vacuum cleaners 20 is collected, the normal dust collection of the other vacuum cleaners 20 can be avoided.

In some embodiments, the dust removal method further includes:

After the dust stored in one of the cleaning devices 20 is collected, the dust stored in the other cleaning device 20 is collected after a second preset time interval. In this way, the dust in the connecting pipe 50 can be absorbed cleanly, and at the same time, the stable operation of the unit can be ensured.

The positive technical effects of the dust removal device of the cigarette filter rod forming machine in each of the above embodiments are also applicable to the dust removal method and the cigarette filter rod forming machine, which will not be repeated here.

Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and not to limit them; although the present invention has been described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that: without departing from the Under the premise of the principle of the present invention, it is still possible to modify the specific embodiments of the present invention or perform equivalent replacements to some technical features, and these modifications and equivalent replacements should be included in the scope of the technical solutions claimed in the present invention.

Claims (15)

1. A dust collector of a cigarette filter stick forming machine is characterized by comprising:

a plurality of zones to be dedusted;

a plurality of dust covers (10) covering the periphery of the plurality of areas to be subjected to dust removal;

a plurality of dust suction devices (20) which are arranged corresponding to the dust covers (10) and are used for absorbing and storing dust generated in the dust covers (10); and

a collecting device (30) connected to the plurality of dust suction devices (20) for collecting the dust stored in the plurality of dust suction devices (20).

2. The dedusting apparatus of a cigarette filter maker according to claim 1, wherein the dust suction devices (20) are equal in number and are arranged in one-to-one correspondence with the dust covers (10).

3. The dedusting apparatus of a cigarette filter maker according to claim 1, further comprising a control device (40), wherein the control device (40) is in signal connection with the dust suction device (20) and the collecting device (30), and the control device (40) is used for controlling the collecting device (30) to collect the dust stored in the plurality of dust suction devices (20) one by one.

4. The cigarette filter rod maker dust removing device according to claim 1, wherein the dust suction device (20) is provided above the dust cover (10).

5. The dedusting apparatus of a cigarette filter maker according to claim 1, wherein the dust suction device (20) includes a blower and a filter screen disposed upstream of the blower, the dust adhering to the filter screen.

6. The cigarette filter rod making machine dedusting apparatus according to claim 5, further comprising a driving device and a scraping brush (70), wherein the driving device is used for driving the scraping brush (70) to move so as to remove dust adhered to the filter screen.

7. The cigarette filter rod making machine dust collector according to claim 5, wherein the dust collector (20) comprises a housing, the housing comprises an outer layer wall (21) and an inner layer wall (22) arranged inside the outer layer wall (21), one end of the inner layer wall (22) close to the dust cover (10) is connected with the outer layer wall (21), the filter screen is arranged at one end of the inner layer wall (22) far away from the dust cover (10), and the inner layer wall (22) is provided with a plurality of vent holes (23).

8. The dedusting apparatus of a cigarette filter maker according to claim 1, further comprising a connecting pipe (50), wherein the collecting device (30) is communicated with the dust suction device (20) through the connecting pipe (50), and a switch valve (60) is arranged on the connecting pipe (50).

9. The cigarette filter rod making machine dusting device according to claim 1, whereby the dust cover (10) is provided with a door on its side that can be opened and closed.

10. The dust removal device of a cigarette filter making machine according to claim 1, further comprising a plurality of feeding devices and a plurality of unpacking devices, wherein the feeding devices and the unpacking devices are arranged in the dust cover (10), the feeding devices are used for enabling tows to be packed into the dust cover (10), the unpacking devices are used for disassembling the tows, and the tows are packed by a plurality of tows for making cigarette filters.

11. A cigarette filter maker, comprising the dust removing device of the cigarette filter maker according to any one of claims 1 to 10.

12. A dust removal method based on the dust removal device of the cigarette filter rod making machine according to any one of claims 1 to 10, comprising:

starting a plurality of dust suction devices (20) to absorb and store dust generated in the dust cover (10);

after a first preset time, the dust suction device (20) is closed, the collecting device (30) is started, and the dust stored in the dust suction device (20) is collected.

13. A dust removing method as defined in claim 12, wherein the operation of collecting the dust stored in the dust suction device (20) includes:

the dust stored in the plurality of dust suction devices (20) is collected one by one.

14. A dust removing method according to claim 13, wherein when the dust stored in one of the dust suction devices (20) is collected, the other dust suction devices (20) are still in an open state.

15. The dust removal method according to claim 13, further comprising:

after the dust stored in one of the dust suction devices (20) is collected, the dust stored in the other dust suction device (20) is collected after a second preset time interval.

Images