CN104799431A - Hollow filter stick molding device - Google Patents

Abstract

The invention provides a hollow filter rod forming device, comprising a forming inner core, a filter material feeding nozzle, a forming outer cover and a forming inner cover, the forming inner cover is fixedly socketed inside the forming outer cover, the filter material feeding nozzle is funnel-shaped and Its output end is fixedly connected with the forming outer sleeve and communicated with the forming inner sleeve. The forming inner sleeve, the forming outer sleeve and the filter material feeding nozzle are coaxially arranged, and the forming inner core passes through the axis line of the filtering material feeding nozzle and the forming inner sleeve in turn. , the forming inner sleeve is provided with a plurality of ventilation holes, the forming outer sleeve is provided with air inlet holes, and the air inlet holes are connected with a hot steam output mechanism, and the output end of the hot steam output mechanism is connected to the inner mold through the air inlet holes and the air holes. The sets are connected internally. The invention has simple structure and convenient use, can greatly shorten the forming time of the hollow filter rod, save the technological process, and effectively improve the efficiency of the filter rod production line.

Description

Hollow filter rod forming device

technical field

The invention relates to the field of cigarette processing, in particular to a hollow filter rod forming device.

Background technique

With the development of cigarette production technology, the types and appearance of cigarettes are more diversified. Cigarettes with unique shapes are more popular with people, so a new type of filter rod, the hollow filter rod, is born. The production process is firstly made of ordinary filter material The tow is stretched through the opening device, which is beneficial to add plasticizer, and then the plasticizer is added. At room temperature, it enters the crawler conveyor mechanism, wrapped with molding paper, and cut. The filter rods produced in this way need to stand for 12 hours to increase The plasticizer can only be used after it is fully solidified, and its production process is complicated and time-consuming.

Contents of the invention

In view of the above technical problems, the present invention provides a hollow filter rod forming device, which has a simple structure and is easy to use, can greatly shorten the forming time of the hollow filter rod, save the process flow, and effectively improve the efficiency of the filter rod production line.

The invention provides a hollow filter rod forming device, comprising a forming inner core, a filter material feeding nozzle, a forming outer cover and a forming inner cover, the forming inner cover is fixedly socketed inside the forming outer cover, the filter material feeding nozzle is funnel-shaped and Its output end is fixedly connected with the forming outer sleeve and communicated with the forming inner sleeve. The forming inner sleeve, the forming outer sleeve and the filter material feeding nozzle are coaxially arranged, and the forming inner core passes through the axis line of the filtering material feeding nozzle and the forming inner sleeve in turn. , the forming inner sleeve is provided with a plurality of ventilation holes, the forming outer sleeve is provided with air inlet holes, and the air inlet holes are connected with a hot steam output mechanism, and the output end of the hot steam output mechanism is connected to the inner mold through the air inlet holes and the air holes. The sets are connected internally.

The filter material feeding nozzle is connected with the inner wall of the forming inner sleeve to form a smooth feeding channel, and the end of the filter material feeding nozzle with a larger diameter is used as the input end of the feeding channel, and the forming inner sleeve is not connected with the filtering material feeding nozzle One end is the output end of the feed channel.

The filter material feeding nozzle includes a funnel mouth and an installation platform, the installation platform is coaxially arranged at one end of the funnel mouth with a smaller diameter, and the installation platform is provided with a matching installation hole for the inner sleeve.

The outside of one end of the forming inner sleeve is provided with a connecting platform matched with the installation hole, the end of the forming inner sleeve is inserted into the installation hole, the connecting platform is fixed inside the installation platform by screws, and the other end of the forming inner sleeve A boss is arranged coaxially, and a material guide hole communicating with the feeding channel is arranged on the boss along the axial direction, and the end surface of the boss is used as an output end of the feeding channel.

The molded inner sleeve is divided into a ventilation section with ventilation holes on the surface and a fixed section with a closed structure on the surface. A sealing structure is arranged between the fixed section and the ventilation section, and the edge of the sealing structure is closely attached to the inner wall of the molding jacket.

A fixed platform matching the installation platform is provided on the outer side of one end edge of the molding jacket, and the fixing platform is fixed to the edge of the installation hole by screws, and the other end of the molding jacket is a closed structure and is provided with a through hole matching the boss , the boss is located on the outside of the molding jacket.

A plurality of sealing structures are evenly spaced on the ventilation section, and the air inlet is located between two adjacent sealing structures or between the sealing structure and the end of the molded outer casing as a closed structure.

The part of the feed channel located in the fixed section and the funnel mouth is in a smooth cone shape, and the part of the feed channel located in the ventilation section is in a cylindrical shape.

The cross-section of the forming inner core is circular, five-pointed star, heart-shaped, quincunx or other regular or irregular shapes.

The outer surface of the feed nozzle is provided with a mounting bracket matched with the machine platform, and the mounting bracket is provided with a threaded hole for connecting the machine platform.

The invention has simple structure and convenient installation, and only includes four parts: a forming inner core, a feeding nozzle, a forming inner sleeve and a forming outer cover, each part is fixedly connected by screws, and the assembly and disassembly are convenient. The feed nozzle is funnel-shaped, and its inner wall cooperates with the fixed section of the formed inner sleeve to form the tapered part of the feed channel, which can effectively collect and compress the loose filter material initially, and the formed inner core is not filled with filter material, thus forming a filter. The hollow part of the rod. The external hot steam output structure sends hot air to the ventilation section of the formed inner sleeve through the air intake hole and the vent hole, so that the filter material is compressed and molded instantly by high temperature heating, and the operation is simple and convenient. The forming inner sleeve is provided with a ring-shaped sealing structure on both sides of the corresponding position of the air inlet, and the sealing structure can maintain the pressure of the hot gas, which is conducive to compressing the filter material and forming the filter material. At the same time, the present invention can replace different molding inner cores according to different hollow structures to be formed, so as to adapt to different production requirements.

Description of drawings

Fig. 1 is a structural representation of the present invention

Fig. 2 is a partial schematic view of the present invention

Fig. 3 is the schematic diagram of assembly of the present invention

Among them, 1-filter material feed nozzle, 11-installation hole, 12-installation platform, 13-funnel mouth, 14-installation bracket, 2-forming inner sleeve, 21-fixed section, 22-ventilating section, 23-sealing structure , 24-connecting platform, 25-air vent, 3-molding jacket, 31-fixed platform, 32-air intake hole, 33-through hole, 4-molding inner core, 5-feeding channel.

Detailed ways

The present invention will be further described below in conjunction with accompanying drawing of description and specific embodiment:

As shown in Fig. 1, the present invention provides a kind of hollow filter rod forming device, comprises forming inner core 4, filter material feeding nozzle 1, forming outer cover 3 and forming inner cover 2, four are arranged coaxially, forming inner core 4 The axis passes through the filter material feed nozzle 1, the forming inner sleeve 2 and the forming outer sleeve 3. Forming inner sleeve 2 is provided with a plurality of ventilation holes 25, and forming outer cover 3 is provided with air inlet 32, and described air inlet 32 is connected with hot steam output mechanism, and the output end of hot steam output mechanism passes air inlet 32 and The air hole 25 communicates with the inside of the forming inner sleeve 2 . The filter material feeding nozzle 1 and the inner wall of the forming inner sleeve 2 are connected and cooperated to form a smooth feeding channel 5, and the end with a larger diameter of the filtering material feeding nozzle 1 is used as the input end of the feeding channel 5, and the forming inner sleeve 2 is not connected with the inner wall of the forming inner sleeve 2. One end connected to the filter material feeding nozzle 1 is the output end of the feeding channel 5 .

As shown in Figure 2, the filter material feed nozzle 1 includes a funnel mouth 13 and an installation platform 12, the installation platform 12 is coaxially arranged at the end of the smaller diameter of the funnel mouth 13, and the installation platform 12 is provided with a forming inner sleeve 2 matching mounting holes 11. The inner wall of the funnel mouth 13 is conical, and the inner wall of the installation hole 11 is cylindrical. The outer surface of the feed nozzle is provided with a mounting bracket 14 matched with the machine platform, and the mounting bracket 14 is provided with a threaded hole for connecting the machine platform. The mounting bracket 14 is L-shaped, and one end is fixed to match the outside of the feed nozzle. The mounting bracket 14 is integrated and fixedly connected with the feeding nozzle, and the threaded hole is arranged on the mounting bracket 14 perpendicular to the outer plane of the feeding nozzle.

As shown in FIG. 3 , a cylindrical connection platform 24 matching the installation hole 11 is provided on the outside of one end of the forming inner sleeve 2 , and the diameter of the connection platform 24 is the same as that of the installation hole 11 . The other end of the forming inner sleeve is coaxially provided with a boss 26, and the boss 26 is provided with a material guide hole in the axial direction that communicates with the feed channel, and the end surface of the boss is the port of the material guide hole as the feed channel output terminal. The end of the forming inner sleeve 2 provided with the connection platform 24 is inserted into the installation hole 11, and the end surface of the installation platform 12 is attached to the bottom surface of the installation hole 11 (ie, the edge of the outlet of the funnel mouth 13). The connection platform 24 is fixed inside the installation platform 12 by screws. The molded inner sleeve 2 is divided into a ventilation section 22 with ventilation holes 25 on the surface and a fixed section 21 with a closed structure on the surface. The ventilation holes 25 are rectangular and evenly distributed on the surface of the inner casing 2 . The ventilation section 22 is provided with two sealing structures 23 , one is located between the ventilation section 22 and the fixed section 21 , and the other is located in the middle of the ventilation section 22 . The sealing structure 23 is composed of two parallel ring-shaped sheet structures, which is convenient for effectively sealing gas during installation. The edge of the sealing structure 23 is closely attached to the inner wall of the forming outer cover 3 to ensure that the hot steam entering through the air inlet 32 directly enters the vent hole 25 instead of wandering in the gap between the forming inner cover 2 and the forming outer cover 3 . The part of the feed channel 5 located at the fixed section 21 and the funnel mouth 13 is in the shape of a smooth cone, and the part of the feed channel 5 located in the ventilation section 22 is in the shape of a cylinder. The feed channel 5 of the conical part is used for compression molding, and the feed channel 5 of the cylindrical part realizes high heat heating.

As shown in FIGS. 1 and 3 , a fixing platform 31 matching with the installation platform 12 is provided on the outer side of one end edge of the molding jacket 3 , and the fixing platform 31 is the same in size and shape as the installation platform 12 . The fixed platform 31 is fixed on the edge of the mounting hole 11 by screws, and the other end of the forming jacket 3 is a closed structure and is provided with a through hole 33 matching with the outlet end of the feeding channel 5 , that is, the boss 26 . The boss is located on the outside of the forming jacket. The output end of the feeding channel is arranged on the outer side of the forming jacket 3 through the boss, which is convenient for installation and ensures production safety at the same time. The molding jacket 3 is provided with two groups of air inlet holes 32 , and each group of air inlet holes 32 includes two symmetrically arranged air inlet holes 32 . Two groups of air intake holes 32 are not on the same plane. Two sealing structures 23 are evenly spaced on the ventilation section 22, one set of air intake holes 32 is located between two adjacent sealing structures 23, and the other set of air intake holes 32 is closed between the sealing structure 23 and the molding jacket 3. between the ends of the structure.

When installing and using, first place the connecting platform 24 of the forming inner sleeve 2 in the installation hole 11 of the feed nozzle, and fix it with screws, so that the end of the inner wall of the forming inner sleeve 2 and the end of the inner wall of the funnel mouth 13 are docked to form a Smooth feed channel5. Then the forming overcoat 3 is fixedly connected to the outside of the forming inner cover 2, and the fixed connection between the fixed platform 31 and the end face of the installation platform 12 is realized by screws, so that the boss is passed through the through hole 33 to ensure that the through hole 33 of the forming overcoat 3 is in contact with the end surface of the mounting platform 12. The output end of the feed channel 5 corresponds. The section of the forming inner core 4 is circular, pentagram, heart-shaped, quincunx or other regular or irregular shapes. The forming inner core 4 is installed with an external support to ensure that it is located at the axis of the filter material feeding nozzle 1 and the forming inner sleeve 2 . When the production line is working, firstly, the filter material feeding mechanism will feed the loose filter material to be processed into the filter material feed nozzle 1, and the funnel-shaped mouth will initially collect and compress the loose filter material, and at this time, the filter material is filled with the filter material and fed into the filter material. Nozzle 1, but the filter material is not filled in the forming inner core 4, thereby forming the hollow part of the filter rod, the shape of the forming inner core 4 is the shape of the hollow structure, after the initial collection and compression, the filter material enters the forming In the cover 2, the hot steam output mechanism is opened at this time, and enters the inside of the filter rod forming inner cover 2 through the air inlet 32 on the filter rod forming outer cover 3 and the vent hole 25 on the filter rod forming inner cover 2, causing the filter material to pass through High temperature heating instant compression molding.

Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalent technologies, the present invention also intends to include these modifications and variations.

The content not described in detail in this specification belongs to the prior art known to those skilled in the art.

Claims (10)

1. a hollow filter stick formation device, it is characterized in that comprising shaping inner core (4), filter material feed nozzle (1), forming sleeve (3) and shaping inner sleeve (2), shaping inner sleeve (2) is fixedly sleeved inner in forming sleeve (3), filter material feed nozzle (1) in funnel-form and its output be fixedly connected with forming sleeve (3) and be connected with shaping inner sleeve (2), shaping inner sleeve (2), forming sleeve (3) and filter material feed nozzle (1) are coaxially arranged, shaping inner core (4) passes the axial line of filter material feed nozzle (1) and shaping inner sleeve (2) successively, shaping inner sleeve (2) is provided with multiple passage (25), forming sleeve (3) is provided with air admission hole (32), described air admission hole (32) is connected with vapours output mechanism, the output of vapours output mechanism is connected with shaping inner sleeve (2) inside with passage (25) by air admission hole (32).

2. hollow filter stick formation device according to claim 1, it is characterized in that filter material feed nozzle (1) is connected with shaping inner sleeve (2) inwall to coordinate and form level and smooth feeding-passage (5), the larger one end of filter material feed nozzle (1) diameter is as feeding-passage (5) input, and one end that shaping inner sleeve (2) is not connected with filter material feed nozzle (1) is feeding-passage (5) output.

3. hollow filter stick formation device according to claim 2, it is characterized in that filter material feed nozzle (1) comprises spout of funnel (13) and mounting platform (12), mounting platform (12) is coaxially arranged at the less end, one end of spout of funnel (13) diameter, mounting platform (12) is provided with the installing hole (11) that shaping inner sleeve 2 matches.

4. hollow filter stick formation device according to claim 3, it is characterized in that the connecting platform (24) that end, one end arranged outside of shaping inner sleeve (2) has installing hole (11) to match, the end of described shaping inner sleeve 2 is inserted in installing hole (11), it is inner that connecting platform (24) is fixed on mounting platform (12) by screw, shaping inner sleeve other end end is coaxially arranged with boss (26), boss (26) be provided with vertically be connected with feeding-passage material guide hole, described boss (26) end face is as the output of feeding-passage, boss (26) is positioned at the outside of forming sleeve (3).

5. hollow filter stick formation device according to claim 4, it is characterized in that shaping inner sleeve (2) is divided into surface to offer the ventilation section (22) of passage (25) and the surperficial canned paragraph (21) for enclosed construction, be provided with hermetically-sealed construction (23) between canned paragraph (21) and ventilation section (22), the edge of hermetically-sealed construction (23) and the inwall of forming sleeve (3) fit tightly.

6. hollow filter stick formation device according to claim 5, it is characterized in that forming sleeve (3) end margin arranged outside has the fixed platform (31) matched with mounting platform (12), described fixed platform (31) is fixed on the edge of installing hole (11) by screw, the other end of forming sleeve (3) is enclosed construction and is provided with the through hole (33) matched with boss (26).

7. hollow filter stick formation device according to claim 5, it is characterized in that the upper uniform intervals of ventilation section (22) is provided with multiple hermetically-sealed construction (23), between the end that air admission hole (32) is positioned between two adjacent hermetically-sealed constructions (23) or hermetically-sealed construction (23) and forming sleeve (3) are enclosed construction.

8. hollow filter stick formation device according to claim 7, it is characterized in that the part that feeding-passage (5) is positioned at canned paragraph (21) and spout of funnel (13) is level and smooth cone-shaped, the part that feeding-passage (5) is positioned at ventilation section (22) is cylindric.

9. hollow filter stick formation device according to claim 8, is characterized in that shaping inner core (4) cross section is circle, pentalpha, heart, quincunx or other are regular or irregular shape.

10. hollow filter stick formation device according to claim 8, it is characterized in that the outer surface of filter material feed nozzle is provided with the mounting bracket (14) matched with board, mounting bracket (14) being provided with the screwed hole for connecting board.