CN-122009834-A - Feeding system of injection piece for visual cavity composite filter stick

CN122009834ACN 122009834 ACN122009834 ACN 122009834ACN-122009834-A

Abstract

The invention relates to the technical field of production and manufacture of special filter sticks, and provides a feeding system of an injection piece for a visual cavity composite filter stick, which comprises an injection piece feeding unit and an injection piece intermittent feeding unit; the injection part feeding unit comprises a negative pressure conveying component for sucking injection parts, a storage box for temporarily storing the injection parts, a spiral track structure provided with a climbing section and a material dividing section, a vibrating disc for driving the spiral track structure to climb the injection parts, a plurality of conveying pipelines for receiving the climbing injection parts and conveying the injection parts to the injection part intermittent feeding unit, and the injection part intermittent feeding unit comprises an injection part feeding structure for receiving the injection parts and feeding the injection parts, an injection part bin provided with an injection part channel, a servo driving structure for driving the injection part bin to rotate, and a conveying pipeline for communicating the injection part channel and conveying the injection parts to a downstream device. The invention can effectively solve the problems of low feeding efficiency, easy damage and the like of the injection piece, can effectively ensure feeding speed and feeding efficiency, and ensures the production efficiency of the filter stick of the visual cavity injection piece.

Inventors

SUN JIYONG
LU XINGBIN
LIU YAN
XU YAN
KONG FANSHUN
XU ZEWEI
LIU JIE
CHU ZHIPENG
LI RONGMIN
LI QIZHEN
LI WENXUAN
MU KEHUI
GAO QUN

Assignees

山东将军烟草新材料科技有限公司

Dates

Publication Date: 20260512
Application Date: 20260414

Claims (18)

1. The feeding system of the injection piece for the visual cavity composite filter stick is characterized by comprising an injection piece feeding unit and an injection piece intermittent feeding unit; The injection part feeding unit comprises: A negative pressure delivery assembly for drawing the injection member provided by the upstream device; A storage box for receiving the injection piece pumped and conveyed by the negative pressure conveying assembly; the spiral track structure is used for receiving the injection piece provided by the storage box and is arranged along the vertical direction and comprises a climbing section and a material dividing section which are arranged from bottom to top; The vibration disc is supported at the bottom of the spiral track structure, drives the spiral track structure to vibrate, enables the injection piece on the spiral track structure to ascend upwards from a climbing section at the bottom to a material dividing section, divides the injection piece into multiple paths through the material dividing section and then continues climbing movement towards the top, and completes single-row arrangement and posture correction of the injection piece in each branch through limit and vibration of each branch in the climbing movement process of the material dividing section; the conveying pipelines are respectively and correspondingly connected with each spiral track in the spiral track structure, respectively receive the injection piece conveyed by each spiral track, and transfer the injection piece to the injection piece intermittent feeding unit; The injection intermittent feeding unit comprises: the injection part feeding structure is used for respectively and correspondingly receiving a plurality of injection parts conveyed by each conveying pipeline through a plurality of channels, and each channel is used for respectively conveying a proper amount of injection parts to the downstream structure in sequence; The injection material bin is arranged below the injection material feeding structure and is provided with a plurality of injection material inlets and injection material channels communicated with the injection material inlets; The servo driving structure is arranged below the injection material bin and drives the injection material bin to rotate according to a preset angle, so that an injection material in one channel is communicated and received through one injection material inlet, and the injection material is transmitted into the injection material channel after being received, and at the moment, other injection material inlets are staggered with other channels; And the transmission pipeline is communicated with the injection piece channel and is used for transmitting the injection piece in the injection piece channel to a next process device.
2. The feed system of an injection molding for a visual cavity composite filter rod of claim 1, wherein the climbing section is of a single-track structure comprising a single track and a baffle plate arranged on the side of the single track; All the injection pieces move upwards through a single track, and are limited on the single track through a baffle plate.
3. The feed system of the injection molding for the visual cavity composite filter rod of claim 2, wherein the material dividing section comprises a plurality of injection limiting rails; the injection piece limiting rails are arranged at intervals through hollowed gaps, and the width of each gap is larger than the outer diameter of the injection piece; the width of each injection part limiting track is greater than the outer diameter of a single injection part and is less than twice the outer diameter of the single injection part; each injection part limiting track comprises a single-side limiting section and a double-side limiting section which are sequentially connected; The unilateral limiting section is close to the unilateral track structure, and the bilateral limiting section is close to the conveying pipeline; A limit baffle is arranged on one side of the single-side limit section; limit baffles are arranged on two sides of the two-side limit section; the height of the limit baffle is greater than the outer diameter of the injection part.
4. The feed system of a visual cavity compound filter rod injector of claim 3 wherein each of said injector stop rails further comprises a fully enclosed section; The full-surrounding section is communicated with the double-side limiting section, receives the injection piece transmitted by the double-side limiting section, and fully surrounds and seals the injection piece; the full-surrounding section is of a cylindrical structure, and the outer diameter of the full-surrounding section is smaller than the size of the double-side limiting section.
5. The feed system of an injection molding for a composite filter rod of claim 4, wherein one end of the delivery tube is sleeved at the end of the fully enclosed section, and the delivery tube is made of a transparent material.
6. The feeding system of the injection piece for the visual cavity composite filter rod according to claim 3, wherein a plurality of arc-shaped shallow grooves are formed in the single rail, each arc-shaped shallow groove is arranged corresponding to each injection piece limiting rail, and the injection piece on the single rail is preliminarily branched through each arc-shaped shallow groove; The width of each arc shallow slot is smaller than the outer diameter of the injection part.
7. The feeding system for an injection molding for a visual cavity composite filter rod of claim 3, wherein the spiral track structure further comprises a plurality of injection molding scrapers; each injection piece scraping plate is respectively arranged at the tail end of the unilateral limiting section, which is close to the bilateral limiting section; the working end of each injection piece scraping plate is supported on the limiting baffle plate, and extends out of the limiting baffle plate to be located above the gap.
8. The feeding system of the injection piece for the visual cavity composite filter rod, which is disclosed in claim 1, is characterized in that the negative pressure conveying component comprises a negative pressure fan and a negative pressure fan pipe, wherein one end of the negative pressure fan pipe is connected with the negative pressure fan, and the other end of the negative pressure fan pipe is arranged at the top of the storage box; the negative pressure fan sucks the injection piece, and then the injection piece is conveyed into the storage box through a negative pressure fan pipe.
9. The feeding system of the injection piece for the visual cavity composite filter rod according to claim 1, wherein a photoelectric sensor for detecting the material level of the injection piece is arranged on the inner wall of the storage box, a gate is arranged at the bottom of the storage box, a detection signal is given when the photoelectric sensor detects that the injection piece reaches the material level, and the control mechanism controls the gate to open and release the injection piece to the bottom of the climbing section of the spiral track structure below according to the detection signal.
10. The feed system of a visual cavity composite filter rod injector of claim 1, wherein the vibratory pan drives the spiral track structure to elliptical micro-vibration.
11. The feeding system of the injection piece for the visual cavity composite filter rod according to claim 1, wherein the injection piece feeding structure comprises a plurality of transparent pipelines serving as the channels, a connecting shaft and a stop disc; Each transparent pipeline is correspondingly connected with each conveying pipeline; The lower end of the connecting shaft is connected with the center position of the top of the injection material bin and rotates along with the injection material bin; The stop disc is arranged on the connecting shaft, and a stop bulge is arranged on the circumference of the stop disc; the transparent pipelines are uniformly distributed around the connecting shaft along the circumferential direction, and an opening is formed in one side of each transparent pipeline facing the connecting shaft; The stop disc rotates by a preset angle under the drive of the injection material bin and the connecting shaft, the stop protrusion cuts into one of the openings of the transparent pipelines after rotating, the injection material above the opening in the corresponding transparent pipeline is stopped, at the moment, the transparent pipeline is communicated with one of the injection material inlets, and the injection material below the opening enters the injection material channel.
12. The feeding system of the injection molding for the composite filter rod with the visual cavity according to claim 11, wherein the injection molding bin is connected with a negative pressure pipeline, and the injection molding under the opening in the corresponding transparent pipeline is sucked into the injection molding channel through negative pressure.
13. The feed system of a visual cavity composite filter rod injector of claim 1, wherein the injector channel is an S-channel.
14. The feeding system of the injection molding for the visual cavity composite filter rod according to claim 11, wherein the servo driving structure comprises a servo motor, a driving turntable and a driven turntable; the driven turntable is coaxially arranged at the bottom of the injection part bin; The driving turntable is meshed with the driven turntable; The servo motor drives the driving turntable to drive the driven turntable and the injection part bin to rotate.
15. The feeding system of the injection piece for the visual cavity composite filter rod according to claim 1, wherein the transmission pipeline is made of transparent materials, an adapter is arranged on the transmission pipeline, a negative pressure pipeline is connected to the adapter, and the injection piece in the injection piece channel is sucked out through negative pressure.
16. The feed system for a visual cavity compound filter rod filler of claim 14, further comprising a controller and a plurality of outlet detection sensors; each outlet detection sensor is arranged on the outer wall of the outlet end of each transparent pipeline, and the outlet detection sensors are used for detecting whether the injection piece falls down from the transparent pipeline; and after the outlet detection sensor detects that the injection piece falls into the injection piece inlet, sending a detection signal to the controller, and controlling the servo motor to rotate according to the detection signal by the controller.
17. The feed system of a visual cavity composite filter rod filler of claim 16, wherein the exit detection sensor is an opposite-emitting photoelectric sensor or a reflective photoelectric sensor.
18. The feed system of claim 11, wherein the inner walls of the transparent tube, the injection channel, and the transfer tube are polished surfaces or have a low friction coating.

Description

Feeding system of injection piece for visual cavity composite filter stick Technical Field The invention relates to the technical field of production and manufacturing of special filter sticks for cigarettes, in particular to a feeding system of an injection piece for a composite filter stick with a visible cavity. Background At present, substances added into the cavity of the composite visual cavity filter stick are various, and inorganic clay particles, aroma carrier particles, injection pieces and the like exist, so that the filtering efficiency of the cigarette filter to harmful substances such as tar, nicotine and the like is greatly improved, the harm of cigarettes to human bodies is reduced, and in addition, the visual effect of the cigarettes is improved. The filler of the visual cavity filter stick has higher requirements on forming equipment by adopting the injection part (rubber injection part formed by an injection molding machine and playing roles of attractive appearance and smoke diversion after being inserted into the visual cavity filter stick), and has the accuracy and stability in feeding, transferring, filling and the like of the injection part. At present, the traditional visual cavity composite filter stick is mainly conveyed by adopting a rough conveyor belt or a conveying pipeline, and the problems of contact adhesion, attitude deviation, collision and the like are easily caused when the injection is conveyed, so that the feeding efficiency is low, the feeding is disordered, the damage rate is high, convenience is not provided for subsequent procedures, the overall production efficiency is reduced, moreover, the partially damaged injection is easy to cause serious filter stick quality problems in the production link, is difficult to find and remove, causes serious quality hidden trouble for the production of the visual cavity injection filter stick, greatly increases the labor intensity of operators and quality inspection staff, and reduces the production efficiency of the visual cavity injection filter stick; Moreover, the use speed of the injection piece materials cannot be followed in real time by the traditional feeding device, the feeding continuity is not strong, the injection piece is easily accumulated in a conveying pipeline to cause blockage or material shortage, equipment is stopped, and the filling of the injection piece of the visual cavity filter stick and the stability of the equipment operation are seriously influenced. In addition, the traditional device can not convey the injection piece in real time according to the molding speed of the filter stick, so that the production efficiency of the filter stick with the visual cavity injection piece is greatly reduced, and the labor intensity of operators is increased. Disclosure of Invention The invention aims to solve at least one technical problem in the background art and provides a feeding system of an injection piece for a composite filter rod with a visual cavity. In order to achieve the aim, the invention provides a feeding system of an injection piece for a visual cavity composite filter rod, which comprises an injection piece feeding unit and an injection piece intermittent feeding unit; The injection part feeding unit comprises: A negative pressure delivery assembly for drawing the injection member provided by the upstream device; A storage box for receiving the injection piece pumped and conveyed by the negative pressure conveying assembly; the spiral track structure is used for receiving the injection piece provided by the storage box and is arranged along the vertical direction and comprises a climbing section and a material dividing section which are arranged from bottom to top; The vibration disc is supported at the bottom of the spiral track structure, drives the spiral track structure to vibrate, enables the injection piece on the spiral track structure to ascend upwards from a climbing section at the bottom to a material dividing section, divides the injection piece into multiple paths through the material dividing section and then continues climbing movement towards the top, and completes single-row arrangement and posture correction of the injection piece in each branch through limit and vibration of each branch in the climbing movement process of the material dividing section; the conveying pipelines are respectively and correspondingly connected with each spiral track in the spiral track structure, respectively receive the injection piece conveyed by each spiral track, and transfer the injection piece to the injection piece intermittent feeding unit; The injection intermittent feeding unit comprises: the injection part feeding structure is used for respectively and correspondingly receiving a plurality of injection parts conveyed by each conveying pipeline through a plurality of channels, and each channel is used for respectively conveying a proper amount of injection parts to the downstream structur