CN113576024A

CN113576024A - Hollow filter stick forming equipment

Info

Publication number: CN113576024A
Application number: CN202110850555.5A
Authority: CN
Inventors: 张克芳; 张鸿雁; 程文; 王孔甦
Original assignee: Wuhan Fengxiang Technology Development Co ltd
Current assignee: Wuhan Fengxiang Technology Development Co ltd
Priority date: 2021-07-27
Filing date: 2021-07-27
Publication date: 2021-11-02

Abstract

The invention discloses hollow filter stick forming equipment which comprises an opener, a filter stick forming device, a drawing device and a cutting device, wherein the opener is connected with the drawing device; the opener, the filter stick forming device, the drawing device and the cutting device are sequentially connected, and the opener comprises a first roller column conveying assembly, a first glycerin adding assembly, a second roller column conveying assembly and a second glycerin adding assembly; the first roller column conveying assembly and the first glycerin adding assembly are arranged at intervals; the second roller conveying assembly and the second glycerin adding assembly are arranged at intervals, the filter rod forming device processes and forms the acetate fiber tows of the first glycerin adding assembly and the second glycerin adding assembly into filter rods, the drawing device draws the filter rods to move to the cutting device, and the cutting device cuts and segments the filter rods.

Description

Hollow filter stick forming equipment

Technical Field

The invention relates to the technical field of tobacco manufacturing equipment, in particular to hollow filter stick forming equipment.

Background

The hollow filter stick forming technology is a key link for producing hollow filter sticks in the field of tobacco novel cigarette production, and as the brands (6.0Y17000, 7.3Y36000 and the like) of the acetate fiber tows for producing the filter sticks are various, the acetate fiber tows with different brands can be selected when the filter sticks with different specifications are produced, but the two acetate fiber tows with different brands are needed to be matched for use when the filter sticks with thick branches are produced. However, the existing hollow filter stick processing equipment can only use a single acetate fiber tow to manufacture the filter stick, so that the requirement for manufacturing thick-branch filter sticks cannot be met.

In view of the above, there is a need for a new type of hollow filter rod making apparatus that overcomes the above-mentioned drawbacks.

Disclosure of Invention

The invention aims to provide hollow filter stick forming equipment which can be used for manufacturing filter sticks with various specifications so as to meet the requirement that filter sticks with different specifications are used for manufacturing tobacco.

In order to achieve the purpose, the invention provides hollow filter stick forming equipment which comprises an opener, a filter stick forming device, a drawing device and a cutting device, wherein the opener is connected with the drawing device; the opener, the filter stick forming device, the drawing device and the cutting device are sequentially connected, and the opener comprises a first roller column conveying assembly, a first glycerin adding assembly, a second roller column conveying assembly and a second glycerin adding assembly;

the first roller column conveying assembly and the first glycerin adding assembly are arranged at intervals; the second roller transmission assembly and the second glycerin adding assembly are arranged at intervals, the first roller transmission assembly is used for unreeling and conducting acetate fiber tows, the first glycerin adding assembly is used for adding glycerin to the acetate fiber tows unreeled and conducted by the first roller transmission assembly, the second roller transmission assembly is used for unreeling and conducting the acetate fiber tows, the second glycerin adding assembly is used for adding glycerin to the acetate fiber tows unreeled and conducted by the second roller transmission assembly,

The filter stick forming device is used for processing and forming the acetate fiber tows of the first glycerin adding component and the second glycerin adding component into filter sticks, the drawing device is used for drawing the filter sticks to move to the cutting device, and the cutting device is used for cutting and segmenting the filter sticks.

Preferably, the first roller conveying assembly comprises a first conducting roller and a second conducting roller, the first conducting roller and the second conducting roller are arranged adjacently, and a gap is formed between the first conducting roller and the second conducting roller; the second roller transmission assembly comprises a third conduction roller and a fourth conduction roller, the first conduction roller and the second conduction roller are arranged adjacently, and a gap is formed between the first conduction roller and the second conduction roller.

Preferably, the first glycerin adding assembly comprises a first guide table and two first guide rollers, the first guide table is arranged between the first roller conveying assembly and the two first guide rollers at intervals, the two first guide rollers are arranged adjacently, a gap is formed between the two first guide rollers, and a first glycerin shower box is arranged above the first guide table; the second glycerin adding assembly comprises a second guide table and two second guide rollers, the second guide table is arranged between the second roller conveying assembly and the two second guide rollers at intervals, the two second guide rollers are arranged adjacently, a gap is formed between the two second guide rollers, and a second glycerin shower coating box is arranged above the second guide table.

Preferably, the filter rod forming device comprises a first sizing component and a second sizing component; the first shaping assembly comprises a bundling rod piece and a heat supply shaping block, the second shaping assembly comprises a primary cooling shaping block and a secondary cooling shaping block, the heat supply shaping block, the primary cooling shaping block and the secondary cooling shaping block are sequentially arranged at intervals in a straight line, the bundling rod piece is arranged on the heat supply shaping block, and the heat supply shaping block is arranged in a direction close to the first glycerin adding assembly and the second glycerin adding assembly.

Preferably, the heat supply shaping block is provided with a first air hole communicated with the first passing groove and a first passing groove, the primary cooling shaping block and the secondary cooling shaping block are provided with a second passing groove and a second air hole communicated with the second passing groove, the first air hole is connected with a hot air flow heat supply device, and the second air hole is connected with a cold air flow cold supply device.

Preferably, a first flow regulating valve is connected between the first air hole and the hot air flow heating device, and a second flow regulating valve is connected between the second air hole and the cold air flow cooling device.

Preferably, the drawing device comprises a material guide strip assembly and a guide wheel, the material guide strip assembly comprises a first material guide strip and a second material guide strip, one sides of the first material guide strip and the second material guide strip, which are close to each other, are abutted, and a material passing groove is formed at the abutted part of the first material guide strip and the second material guide strip; the guide wheel is arranged at one end of the material guide strip assembly and is arranged towards the direction close to the filter stick forming device.

Preferably, the drawing device further comprises an installation clamping strip assembly, the installation clamping strip assembly comprises a first clamping strip and a second clamping strip, the first clamping strip and the second clamping strip are respectively clamped on two sides of the material guide strip assembly, the first clamping strip is connected with the first material guide strip, and the second clamping strip is connected with the second material guide strip.

Preferably, the cutting device comprises a feeding conveying roller, a cutter unit and a rack, the rack is arranged adjacent to the drawing device, and the feeding conveying roller is fixedly arranged in the rack; the feeding conveying roller is provided with a storage tank and a cutter groove, the storage tank is arranged on the side wall of the feeding conveying roller along the axis direction of the feeding conveying roller, the cutter groove is arranged on the side wall of the feeding conveying roller along the circumferential direction of the feeding conveying roller, and the cutter unit is clamped in the cutter groove.

Preferably, the cutter unit includes cutter pivot and section, the axis direction of cutter pivot is the same with the axial direction of feeding conveying roller, the cutter pivot rotates and sets up in the frame, the section cover is located in the cutter pivot, just the section card is held in the cutter groove.

Compared with the prior art, the hollow filter stick forming equipment provided by the invention has the beneficial effects that: 1) the opening machine is provided with a first roller column conveying assembly, a first glycerin adding assembly, a second roller column conveying assembly and a second glycerin adding assembly, and a plurality of acetate fiber tows of different brands are matched for use, so that filter sticks of various specifications can be manufactured, and the requirements of filter sticks of different specifications for manufacturing tobacco are met.

2) A first flow regulating valve is connected between a first air hole of the heat supply shaping block and the hot air flow heating device; and a second flow regulating valve is connected between the second air holes of the primary cooling shaping block and the secondary cooling shaping block and the cold air flow cooling device, so that the optimal heat supply parameter and cold supply parameter can be regulated in the manufacturing process, and the quality of the filter stick is improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a perspective view of a hollow filter rod forming apparatus provided by the present invention.

Fig. 2 is a partial schematic structural view of an opener of the hollow filter rod making apparatus shown in fig. 1.

Fig. 3 is a perspective view of a drawing device of the hollow filter rod making apparatus shown in fig. 1.

Fig. 4 is a partial structural schematic view of the drawing apparatus shown in fig. 3.

Figure 5 is a schematic diagram of part of the plugmaker of the hollow plugmaker apparatus of figure 1.

Fig. 6 is a schematic view of a portion of the filter plug forming apparatus shown in fig. 5.

Figure 7 is a schematic diagram of a portion of the plugmaker apparatus of figure 5.

Figure 8 is a schematic diagram of the plug wrap shown in figure 5.

Fig. 9 is a perspective view of the feed conveyor rollers of the cutting device.

Fig. 10 is a perspective view of a cutter unit of the cutting device.

Reference numerals: 1. an opener; 2. a filter rod forming device; 3. a drawing device; 4. a cutting device; 11. A first roller conveying assembly; 111. a first conductive roller; 112. a second conductive roller; 12. a first glycerol addition component; 121. a first guide table; 122. a first guide roller; 123. a first glycerin curtain coating box; 13. A second roller transfer assembly; 131. a third conductive roller; 132. a fourth conductive roller; 14. a second glycerol addition component; 141. a second guide table; 142. a second guide roller; 143. a second glycerol shower coating box; 21. A first patterning assembly; 22. a second sizing assembly; 211. a cluster bar; 212. a heat supply shaping block; 221. primary cooling the shaping block; 222. secondarily cooling the molding block; 2121. a first through groove; 2122. a first air hole; 2221. A second passing groove; 2222. a second air hole; 31. a material guide bar assembly; 32. a guide wheel; 311. a first conducting bar; 3111. a first abutting section; 3112. a first intermediate abutment section; 3113. a first trailing abutment section; 312. a second conducting strip; 3121. a second first abutting section; 3122. a second intermediate abutment section; 3123. a second trailing abutment section; 313. a material passing groove; 3131. a tapered mouth; 33. installing a clamping bar assembly; 331. a first holding strip; 332. a second holding strip; 34. a conductive block; 41. a feed conveyor roller; 411. a storage tank; 412. a cutter slot; 42. a cutter unit; 421. a cutter shaft; 422. slicing; 43. a frame; 5. a first flow regulating valve; 6. a second flow regulating valve.

Detailed Description

In order to make the objects, technical solutions and advantageous effects of the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and the detailed description. It should be understood that the detailed description and specific examples, while indicating the preferred embodiment of the invention, are intended for purposes of illustration only and are not intended to limit the scope of the invention.

It will be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for ease of description and simplicity of description, and do not indicate or imply that the referenced devices or elements must be in a particular orientation, constructed and operated in a particular orientation, and are therefore not to be considered limiting.

It is also noted that, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," "disposed," and the like are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. To those of ordinary skill in the art, the above terms may be specifically defined in the present invention according to the specific circumstances.

Furthermore, the terms "first", "second", and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first", "second", may explicitly or implicitly include one or more of that feature. Further, the meaning of "a plurality" or "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1, the present invention provides a hollow filter stick forming apparatus, which includes an opener 1, a filter stick forming device 2, a drawing device 3 and a cutting device 4; the opener 1, the filter stick forming device 2, the drawing device 3 and the cutting device 4 are sequentially connected, and the opener 1 comprises a first roller column conveying assembly 11, a first glycerin adding assembly 12, a second roller column conveying assembly 13 and a second glycerin adding assembly 14;

the first roller column conveying assembly 11 and the first glycerin adding assembly 12 are arranged at intervals; the second roller conveying assembly 13 and the second glycerin adding assembly 14 are arranged at intervals and are located below the first roller conveying assembly 11 and the first glycerin adding assembly 12, the first roller conveying assembly 11 is used for unreeling and conducting acetate fiber tows (such as acetate fiber tows with the trade name of 6.0Y 17000), the first glycerin adding assembly 12 is used for adding glycerin to the acetate fiber tows unreeled and conducted by the first roller conveying assembly 11, the second roller conveying assembly 13 is used for unreeling and conducting acetate fiber tows (such as acetate fiber tows with the trade name of 7.3Y 36000), the second glycerin adding assembly 14 is used for adding glycerin to the acetate fiber tows unreeled and conducted by the second roller conveying assembly 13,

The filter stick forming device 2 is used for processing and forming the acetate fiber tows after the glycerol is added into the first glycerol adding assembly 12 and the second glycerol adding assembly 14 into hollow cylindrical filter sticks, the drawing device 3 is used for drawing the filter sticks to move to the cutting device 4, and the cutting device 4 is used for cutting and segmenting the filter sticks.

Referring to fig. 2 to 9, further, the first roller transferring assembly 11 includes a first conductive roller 111 and a second conductive roller 112, the first conductive roller 111 and the second conductive roller 112 are disposed adjacent to each other, and a gap is formed between the first conductive roller 111 and the second conductive roller 112; the second roller transmission assembly 13 includes a third conductive roller 131 and a fourth conductive roller 132, the first conductive roller 131 and the second conductive roller 132 are disposed adjacently, and a gap is formed between the first conductive roller 131 and the second conductive roller 132.

When the acetate tow passes through the gap between the first conducting roller 111 and the second conducting roller 112, the first conducting roller 111 and the second conducting roller 112 unreel the acetate tow and conduct the acetate tow to the first glycerol adding assembly 12, and when the acetate tow passes through the gap between the third conducting roller 131 and the fourth conducting roller 132, the third conducting roller 131 and the fourth conducting roller 132 unreel the acetate tow and conduct the acetate tow to the second glycerol adding assembly 14.

Further, the first glycerin adding assembly 12 includes a first guiding table 121 and two first guiding rollers 122, the first guiding table 121 is disposed between the first roller conveying assembly 11 and the two first guiding rollers 122 at intervals, the two first guiding rollers 122 are disposed adjacently, a gap is formed between the two first guiding rollers 122, and a first glycerin shower box 123 is disposed above the first guiding table 121; the second glycerin adding assembly 14 includes a second guiding table 141 and two second guiding rollers 142, the second guiding table 141 is disposed between the second roller conveying assembly 13 and the two second guiding rollers 142 at intervals, the two second guiding rollers 142 are disposed adjacently, a gap is formed between the two second guiding rollers 142, and a second glycerin shower box 143 is disposed above the second guiding table 141.

Thus, when the first and second conducting

rollers

111 and 112 unreel the acetate tow and conduct the acetate tow to the first guide table 121 of the first glycerin adding assembly 12, the first glycerin shower coating box 123 sprays glycerin on the acetate tow, and the acetate tow is guided to the filter rod forming device through the two first guiding rollers 122;

When the third conducting roller 131 and the fourth conducting roller 132 unreel the acetate tow and conduct the acetate tow to the second guiding table 141 of the second glycerin adding assembly 14, the second glycerin curtain coating box 143 sprays glycerin on the acetate tow, and the acetate tow is guided to the filter rod forming device through the two second guiding rollers 142.

Further, the first glycerin adding unit 12 further includes a first oil receiving box 124, the first oil receiving box 124 is installed below the first guide table 121 and the two first guide rollers 122 of the first glycerin adding unit 12, and the second glycerin adding unit 14 further includes a second oil receiving box 144, and the second oil receiving box 144 is installed below the second guide table 141 and the two second guide rollers 142 of the second glycerin adding unit 14.

Further, the first glycerin adding component 12 further comprises a first brush roller 125, the first brush roller 125 abuts against one of the first guide roller columns 122, and the second glycerin adding component 14 further comprises a second brush roller 145, and the second brush roller 145 abuts against one of the second guide roller columns 142.

As such, the first brush roller 125 evenly spreads the glycerin on the acetate tow as it passes between the first brush roller 125 and the one of the first guide roller columns 122; when the acetate tow passes between the second brush roller 145 and the one of the second guide roller 142, the first brush roller 122 uniformly applies glycerin on the acetate tow.

Further, the opener 1 further comprises a box body 15, wherein the box body 15 is provided with a first mounting bin 151, a second mounting bin 152 and a carrying bin 153 which are separated from each other; the second installation bin 152 is located between the first installation bin 151 and the loading bin 153, the first glycerol adding component 12 is installed in the first installation bin 151, and the second glycerol adding component 14 is installed in the second installation bin 152.

Further, the filter rod forming device 2 comprises a first sizing assembly 21 and a second sizing assembly 22; first design subassembly 21 is including being hourglass hopper-shaped beam rod piece 211 and heat supply design piece 212, second design subassembly 22 is including once cooling design piece 221 and secondary cooling design piece 222, heat supply design piece 212, once cooling design piece 221 and secondary cooling design piece 222 are the sharp interval setting in proper order, beam rod piece 211 install in heat supply design piece 212 is last, just heat supply design piece 212 is towards being close to the direction setting that first glycerine adds subassembly 12 and second glycerine and adds subassembly 14.

Specifically, the heat supply shaping block 212 is provided with a first passing groove 2121 and a first air hole 2122 communicated with the first passing groove 2121, the primary cooling shaping block 221 and the secondary cooling shaping block 222 are both provided with a second passing groove 2221 and a second air hole 2222 communicated with the second passing groove 2221, the first air hole 2122 is connected with a hot air flow heat supply device, the second air hole 2222 is connected with a cold air flow cold supply device, and the acetate fiber bundles pass through the first passing groove 2121 and the second passing groove 2221.

It should be noted that a first flow regulating valve 5 is connected between the first air hole 2122 and the hot air flow heating device, and a second flow regulating valve 6 is connected between the second air hole 2222 and the cold air flow cooling device, so that the optimal heating parameters and cooling parameters can be adjusted in the manufacturing process, and the quality of the filter stick can be improved.

Further, a first heat conducting pipe 2123 is arranged inside the heat supply shaping block 212, second heat conducting pipes 2223 are arranged inside the primary cooling shaping block 221 and the secondary cooling shaping block 222, the bundle rod 211 is connected with the first heat conducting pipe 2123, and a central axis of the second heat conducting pipe 2223 is coaxial with a central axis of the first heat conducting pipe 2123.

It should be noted that the hot air provided by the hot air supply device contacts the outer wall of the first heat conducting pipe 2123 through the first air holes 2122, and the first heat conducting pipe 2123 uniformly conducts heat to the formed filter stick, so that the outer surface of the filter stick is bonded smoothly and uniformly.

Further, the first passing groove 2121 is formed on the first heat conduction pipe 2123 and is arranged along a central axis of the first heat conduction pipe 2123; the second through groove 2221 is formed in the second heat conducting tube 2223, and is disposed along the central axis of the second heat conducting tube 2223.

It should be noted that the cold air provided by the cold air flow supply device contacts with the outer wall of the second heat conduction pipe 2223 through the second air holes 2222, and the second heat conduction pipe 2223 uniformly conducts the cold energy to the formed filter stick, so that the outer surface of the bonded filter stick is flat and uniformly shaped.

Thus, when the acetate fiber tows after the glycerol is added by the first glycerol adding component 12 and the second glycerol adding component 14 are gathered into a rope shape through the bundle rod 211 and then sequentially pass through the first passing groove 2121 of the heat supply shaping block 212, the primary cooling shaping block 221 and the second passing groove 2221 of the secondary cooling shaping block 222, the hot air flow heat supply device supplies hot air flow into the first passing groove 2121 through the first air holes 2122 to bond the glycerol and the acetate fiber tows into a rope shape, and the cold air flow cold supply device supplies cold air flow into the second passing groove 2221 to coagulate and shape the long rope-shaped acetate fiber tows into the hollow cylindrical filter stick.

In addition, the filter stick forming device 2 is in a modularized design, and the modularized filter stick forming device 2 is only required to be integrally exchanged on the filter stick processing and forming equipment, so that the installation is simple, and errors are not easy to generate.

Further, the drawing device 3 includes a material guiding bar assembly 31 and a guiding wheel 32, the material guiding bar assembly 31 includes a first material guiding bar 311 and a second material guiding bar 312, one side of the first material guiding bar 311 and one side of the second material guiding bar 312, which are close to each other, are abutted, and a material passing groove 313 in a hollow cylindrical shape is formed at the abutted position of the first material guiding bar 311 and the second material guiding bar 312; the material passing groove 313 is provided with a tapered opening 3131 at one end close to the filter stick forming device 2, and the guide wheel 32 is rotatably arranged at one end of the material guide assembly 31 and arranged towards the direction close to the filter stick forming device 2.

Further, the first guide strip 311 includes a first head abutting section 3111, a first middle abutting section 3112 and a first tail abutting section 3113, the second guide strip 312 includes a second head abutting section 3121, a second middle abutting section 3122 and a second tail abutting section 3123, the first head abutting section 3111 abuts against one side of the second head abutting section 3121 close to each other, the first middle abutting section 3112 abuts against one side of the second middle abutting section 3122 close to each other, the first tail abutting section 3113 abuts against one side of the second tail abutting section 3123 close to each other, the material passing groove 313 passes through an abutting position of the first head abutting section 3111 and the second head abutting section 3121, an abutting position of the first middle abutting section 3112 and the second middle abutting section 3122, and an abutting position of the first tail abutting section 3113 abuts against a position of the second tail abutting section 3123.

Further, the drawing device 3 further includes an installation clamping bar assembly 33, the installation clamping bar assembly 33 includes a first clamping bar 331 and a second clamping bar 332, the first clamping bar 331 and the second clamping bar 332 are respectively clamped on two sides of the material guiding bar assembly 31, the first clamping bar 331 is connected with the first material guiding bar 311, and the second clamping bar 332 is connected with the second material guiding bar 312.

Thus, when the formed filter stick enters the material passing groove 313, the unreeled strip-shaped cloth tape enters the material passing groove 313 through the taper port 3131 under the guidance of the guide wheel 32, and the cloth tape is coiled into a hollow cylindrical shape and wraps the outer surface of the filter stick.

Through being the modularized design with draw gear 3, only need with modularized draw gear 3 on filter rod machine-shaping equipment whole change can satisfy the production demand of different specification tobacco (for example ramuscule, well zhi, thick zhi) filter rods, the installation is simple, and is difficult for producing the error.

Further, the drawing device 3 further comprises a conducting block 34, the conducting block 34 is connected to the first tail abutting section 3113 and the second tail abutting section 3123, and is located at an end of the first tail abutting section 3113 far from the first middle abutting section 3112, and the second tail abutting section 3123 is located at an end of the second middle abutting section 3122.

Further, a tapered groove 341 for conducting the filter rod is formed in the conducting block 34.

Further, the cutting device 4 comprises a feeding conveying roller 41, a cutter unit 42 and a frame 43, the frame 43 is arranged adjacent to the drawing device 3, and the feeding conveying roller 41 is fixedly arranged in the frame 43; the feeding conveying roller 41 is provided with a stock tank 411 and a cutter tank 412, the stock tank 411 is arranged on the side wall of the feeding conveying roller 41 along the axial direction of the feeding conveying roller 41, the cutter tank 412 is arranged on the side wall of the feeding conveying roller 41 along the circumferential direction of the feeding conveying roller 41, and the cutter unit 42 is clamped in the cutter tank 412;

The cutter unit 42 includes a cutter rotating shaft 421 and a cutting blade 422, the axial direction of the cutter rotating shaft 421 is the same as the axial direction of the feeding and conveying roller 41, the cutter rotating shaft 421 is rotatably disposed on the frame 43 through a bearing, the cutting blade 422 is sleeved on the cutter rotating shaft 421, and the cutting blade 422 is correspondingly clamped in the cutter groove 412.

When the drawing device 3 passes through the filter stick from the storage tank 411, the motor drives the cutter rotating shaft 421, and at this time, the slice 422 on the cutter rotating shaft 421 rotates along with the cutter rotating shaft 421 to cut the filter stick in the storage tank 411.

The invention is not limited solely to that described in the specification and embodiments, and additional advantages and modifications will readily occur to those skilled in the art, so that the invention is not limited to the specific details, representative apparatus, and examples shown and described herein, without departing from the spirit and scope of the general concept as defined by the appended claims and their equivalents.

Claims

1. The hollow filter stick forming equipment is characterized by comprising an opener (1), a filter stick forming device (2), a drawing device (3) and a cutting device (4); the opener (1), the filter stick forming device (2), the drawing device (3) and the cutting device (4) are sequentially connected, and the opener (1) comprises a first roller column conveying assembly (11), a first glycerin adding assembly (12), a second roller column conveying assembly (13) and a second glycerin adding assembly (14);

The first roller column conveying assembly (11) and the first glycerin adding assembly (12) are arranged at intervals; the second roller transmission assembly (13) and the second glycerin adding assembly (14) are arranged at intervals, the first roller transmission assembly (11) is used for unreeling and conducting acetate fiber tows, the first glycerin adding assembly (12) is used for adding glycerin to the acetate fiber tows unreeled and conducted by the first roller transmission assembly (11), the second roller transmission assembly (13) is used for unreeling and conducting acetate fiber tows, the second glycerin adding assembly (14) is used for adding glycerin to the acetate fiber tows unreeled and conducted by the second roller transmission assembly (13),

the filter stick forming device (2) is used for processing and forming the acetate fiber tows of the first glycerin adding component (12) and the second glycerin adding component (14) into filter sticks, the drawing device (3) draws the filter sticks to move to the cutting device (4), and the cutting device (4) cuts and segments the filter sticks.

2. A hollow filter rod making apparatus according to claim 1, wherein said first roller transport assembly (11) comprises a first conductive roller (111) and a second conductive roller (112), said first conductive roller (111) being disposed adjacent to said second conductive roller (112) with a gap formed between said first conductive roller (111) and said second conductive roller (112); the second roller transmission assembly (13) comprises a third conduction roller (131) and a fourth conduction roller (132), the first conduction roller (131) and the second conduction roller (132) are adjacently arranged, and a gap is formed between the first conduction roller (131) and the second conduction roller (132).

3. A hollow filter rod forming apparatus according to claim 1, wherein the first glycerol adding assembly (12) comprises a first guide table (121) and two first guide rollers (122), the first guide table (121) is arranged between the first roller conveying assembly (11) and the two first guide rollers (122) at intervals, the two first guide rollers (122) are arranged adjacently, a gap is formed between the two first guide rollers (122), and a first glycerol coating box (123) is arranged above the first guide table (121); the second glycerin adding assembly (14) comprises a second guide table (141) and two second guide rollers (142), the second guide table (141) is arranged between the second roller conveying assembly (13) and the two second guide rollers (142) at intervals, the two second guide rollers (142) are arranged adjacently, a gap is formed between the two second guide rollers (142), and a second glycerin curtain coating box (143) is arranged above the second guide table (141).

4. A hollow filter rod making apparatus according to claim 1, wherein the filter rod making device (2) comprises a first styling component (21) and a second styling component (22); the first shaping assembly (21) comprises a beam piece (211) and a heat supply shaping block (212), the second shaping assembly (22) comprises a primary cooling shaping block (221) and a secondary cooling shaping block (222), the heat supply shaping block (212), the primary cooling shaping block (221) and the secondary cooling shaping block (222) are sequentially arranged at intervals in a straight line, the beam piece (211) is arranged on the heat supply shaping block (212), and the heat supply shaping block (212) is arranged in a direction close to the first glycerol adding assembly (12) and the second glycerol adding assembly (14).

5. The hollow filter stick forming device according to claim 4, wherein the heat supply shaping block (212) is provided with a first through groove (2121) and a first air hole (2122) communicated with the first through groove (2121), the primary cooling shaping block (221) and the secondary cooling shaping block (222) are provided with a second through groove (2221) and a second air hole (2222) communicated with the second through groove (2221), the first air hole (2122) is connected with a hot air supply device, and the second air hole (2222) is connected with a cold air supply device (2222).

6. A hollow filter rod making apparatus according to claim 5, wherein a first flow regulating valve (5) is connected between the first air hole (2122) and the hot air supply device, and a second flow regulating valve (6) is connected between the second air hole (2222) and the cold air supply device.

7. A hollow filter rod forming device according to claim 1, wherein the drawing device (3) comprises a guide strip assembly (31) and a guide wheel (32), the guide strip assembly (31) comprises a first guide strip (311) and a second guide strip (312), one sides of the first guide strip (311) and the second guide strip (312) close to each other are abutted, and a material passing groove (313) is formed at the abutted part of the first guide strip (311) and the second guide strip (312); the material passing groove (313) is provided with a tapered opening (3131) at one end close to the filter stick forming device (2), and the guide wheel (32) is arranged at one end of the material guide strip assembly (31) and is arranged towards the direction close to the filter stick forming device (2).

8. A hollow filter rod forming device according to claim 7, wherein the drawing device (3) further comprises a mounting clamping strip assembly (33), the mounting clamping strip assembly (33) comprises a first clamping strip (331) and a second clamping strip (332), the first clamping strip (331) and the second clamping strip (332) are respectively clamped at two sides of the material guide strip assembly (31), the first clamping strip (331) is connected with the first material guide strip (311), and the second clamping strip (332) is connected with the second material guide strip (312).

9. A hollow filter rod making apparatus according to claim 1, wherein said cutting device (4) comprises a feed conveyor roller (41), a cutter unit (42) and a frame (43), said frame (43) being disposed adjacent to said drawing device (3), said feed conveyor roller (41) being fixedly disposed within said frame (43); the feeding conveying roller (41) is provided with a storage tank (411) and a cutter tank (412), the storage tank (411) is arranged on the side wall of the feeding conveying roller (41) along the axial direction of the feeding conveying roller (41), the cutter tank (412) is arranged on the side wall of the feeding conveying roller (41) along the circumferential direction of the feeding conveying roller (41), and the cutter unit (42) is clamped in the cutter tank (412).

10. The hollow filter stick forming device according to claim 9, wherein the cutter unit (42) comprises a cutter rotating shaft (421) and a cut piece (422), the axial direction of the cutter rotating shaft (421) is the same as the axial direction of the feeding conveying roller (41), the cutter rotating shaft (421) is rotatably arranged on the frame (43), the cut piece (422) is sleeved on the cutter rotating shaft (421), and the cut piece (422) is clamped in the cutter groove (412).