A cigarette packaging filling line

Abstract

A cigarette pack filling line includes a strip box supply bin, a cigarette pack supply system and a strip box transmission line, wherein a coating paper pulling-out mechanism is arranged at a box entry station of the strip box transmission line, and the cigarette pack entry mechanism of the cigarette pack supply system is located directly above the box entry station and above the coating paper pulling-out mechanism; a strip box transfer line is arranged between the discharge port of the strip box supply bin and the strip box transmission line, the strip box transfer line and the strip box transmission line are both linear structures and are arranged perpendicular to each other, an opening station and a strip box pushing mechanism for pushing the strip boxes out are arranged at the exit of the strip box transfer line, and a strip box opening mechanism is arranged at the opening station. By arranging the strip box transfer line and the strip box transmission line vertically, and arranging the strip box supply system and the strip box transmission line at both ends of the strip box transfer line respectively, the overall length of the cigarette pack filling line is shortened, and the layout of each functional mechanism in the cigarette pack filling line is made more compact, so that the cigarette pack filling line can be adapted to a smaller installation space.

Description

Technical Field

[0001] The invention relates to the technical field of automatic cigarette packing, and in particular to a cigarette pack filling line. Background Art

[0002] When packing, cigarette packs generally need to be filled in cartons before being sold. In the process of filling cigarette packs into cartons, the filling procedures for different cartons are also different. For an open-lid double-layer carton, the lid of the carton must be opened first and the coating paper in the carton must be pulled out. Then, after the double-layer cigarette packs are filled into the carton, the coating paper is put back into the carton and covered on the upper cigarette packs. Finally, the lid of the carton is closed and sent to the downstream equipment for coating with transparent paper film to complete the shipment.

[0003] At present, the carton opening process, the coating paper pulling out process, the cigarette pack putting into the box process, the coating paper putting into the box process and the carton closing process are generally arranged in sequence on a linear carton conveyor line. After the carton enters one end of the carton conveyor line from the carton supply bin, the cigarette pack filling work is completed after the above processes in sequence. However, this makes the carton conveyor line occupy a longer length, and some compact production workshops cannot install such a carton conveyor line. Summary of the invention

[0004] In view of the problems in the prior art, the present invention provides a cigarette pack filling line, which aims to change the transmission path of the carton transmission line, so that each process of the cigarette pack filling line is more compact and the length occupied by the carton transmission line is shortened, thereby adapting to a smaller installation space.

[0005] A cigarette pack filling line comprises a carton supply bin, a cigarette pack supply system and a carton transmission line, wherein a coated paper pulling-out mechanism is arranged at a carton entry station of the carton transmission line, wherein the coated paper pulling-out mechanism is used to absorb the coated paper in the carton and turn it out along the transmission direction of the carton and keep the coated paper above one side of the carton, wherein the cigarette pack entry mechanism of the cigarette pack supply system is located directly above the carton entry station and above the coated paper pulling-out mechanism; a carton transfer line is arranged between the discharge port of the carton supply bin and the carton transmission line, wherein the carton transfer line and the carton transmission line are both straight structures and are arranged perpendicular to each other, The inlet of the line is connected with the outlet of the strip box supply bin, the outlet of the strip box transfer line is connected with the box entry station, a cover opening station and a strip box pushing mechanism for pushing the strip box out are arranged at the outlet of the strip box transfer line, a strip box cover opening mechanism for flipping the strip box cover in the opposite direction of the strip box moving direction is arranged at the cover opening station, a first guide rod for stopping the box cover from closing is arranged on the inlet side of the box entry station, a second guide rod for guiding the box cover to close is arranged on one side of the strip box transfer line, and a gap for closing the cover is arranged between the front end end of the second guide rod and the rear end end of the first guide rod.

[0006] To facilitate the discharging of the strip box supply bin, it is further provided that: the strip box supply bin includes a vertical discharging channel, the lower end port of the discharging channel is the discharging port of the strip box supply bin, the strip box transfer line includes two conveyor belts arranged in parallel, and a first baffle is distributed on the conveying surface of the conveyor belt, and the discharging port of the strip box supply bin is located directly above the conveyor belt at the entrance of the strip box transfer line, and a first clamping plate and a second clamping plate are respectively arranged on two opposite sides of the lower end port of the discharging channel, the first clamping plate is fixedly connected to the discharging channel, and the second clamping plate is connected to a driving mechanism for driving it to approach or move away from the first clamping plate; two vertical support plates are arranged between the two conveyor belts and directly below the discharging channel, and the two vertical support plates are arranged in parallel and lifted; a pallet is arranged between the strip box transfer line and the box-entering station, one end of the pallet extends between the two conveyor belts, and the other end of the pallet extends to the box-entering station, and the top surface of the pallet is flush with the conveying surface of the conveyor belt.

[0007] To facilitate the setting of the strip box cover opening mechanism, it is further provided that: the strip box cover opening mechanism includes a swing arm and a flap that are interconnected and form an L-shaped structure, the flap spans across the strip box transfer line, suction cups are distributed on the flap, and the swing arm is located on one side of the strip box transfer line.

[0008] When the strip box is opened, in order to improve the stability of the strip box body, it is further provided that: the conveyor belts are located between two parallel limit plates, the limit plates are arranged parallel to the conveyor belts, the limit plates extend from the strip box supply bin to the cover opening station, and clamping rollers are rotatably installed on the limit plates at positions corresponding to those located in the cover opening station, the clamping rollers on the two limit plates are used to clamp the corresponding strip boxes and roll along the conveying direction of the strip boxes; a positioning plate for positioning the strip box is installed on the limit plates at the clamping rollers, and the positioning plate is connected to the limit plates via a transverse telescopic cylinder.

[0009] When the strip box pushing mechanism pushes the strip box, the suction cup needs to loosen the box cover. To prevent the box cover from rebounding, further steps are as follows: a bracket is fixedly provided directly above the limit plate, a limit bar is hinged on the bracket, and the limit bar is arranged from the free end to the hinged end along the transmission direction of the strip box. A first compression spring is arranged between the free end of the limit bar and the bracket, and the two ends of the first compression spring are respectively connected to the limit bar and the bracket and make the free end of the limit bar tilt toward the direction of the suction cup.

[0010] Since the movement rhythm of the box transfer line is slow, the driving mechanism of the box pushing mechanism can be set as an independent driving mechanism, further as follows: the box pushing mechanism includes a slide and a linear module for driving the slide to move back and forth along the transmission direction of the box, the slide is located between the two conveyor belts and lower than the support plate, and two parallel push rods are arranged on the top surface of the slide, and the long direction of the push rod is arranged along the transmission direction of the box, one end of the push rod is hinged on the slide, and a second compression spring is arranged between the middle part of the push rod and the slide, and the two ends of the second compression spring are respectively connected to the push rod and the slide and make the free end of the push rod tilt upward, the free end of the push rod is higher than the transmission surface of the conveyor belt, and the upper end of the push rod extends to the outside of the slide toward the box entering station, and the support plate is located between the two push rods.

[0011] By controlling the upward tilt height of the push rod, the distance between the barrel and the slide seat is controlled when the push rod contacts the barrel, and further: a limit block is fixed on the top surface of the slide seat, and one end of the limit block abuts against the top surface of the lower end of the push rod.

[0012] Due to the layout of other structures below the strip box transfer line and the strip box transmission line, a certain gap needs to be left between the strip box transfer line and the strip box transmission line. To make up for this gap, a transition channel is provided between the strip box transfer line and the strip box transmission line, the transition channel connects the box opening station and the box inserting station, the clamping rollers are distributed on both side walls of the transition channel, and a clearance gap is provided on the bottom surface of the transition channel, and the clearance gap faces the pallet.

[0013] The beneficial effects of the present invention are as follows: by vertically arranging the carton transfer line and the carton transmission line, and respectively arranging the carton supply system and the carton transmission line at the two ends of the carton transfer line, the overall length of the cigarette package filling line is shortened, and the layout of each functional mechanism in the cigarette package filling line is more compact, thereby enabling the cigarette package filling line to fit into a smaller installation space. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a structural schematic diagram of the present invention;

[0015] Figure 2 It is a schematic diagram of the local structure of the box-entering station in the present invention;

[0016] Figure 3 It is a schematic diagram of the local structure of the junction of the strip box supply bin and the strip box transfer line in the present invention;

[0017] Figure 4 It is a schematic diagram of the local structure of the box opening station in the present invention;

[0018] Figure 5 It is a structural schematic diagram of the box pushing mechanism in the present invention.

[0019] In the figure, 1, strip box supply bin; 11, first clamping plate; 12, second clamping plate; 13, driving mechanism; 14, discharging channel; 15, vertical support plate; 16, vertical telescopic cylinder; 2, strip box transfer line; 21, support plate; 22, conveyor belt; 23, first baffle; 24, limit plate; 3, strip box cover opening mechanism; 31, bracket; 32, limit strip; 33, flap; 34, swing arm; 35, suction cup; 36, clamping roller; 37, Transverse telescopic cylinder; 38, positioning plate; 39, first compression spring; 4, strip box transmission line; 41, first guide rod; 42, second guide rod; 5, laminating paper pulling out mechanism; 6, cigarette pack supply system; 61, cigarette pack box feeding mechanism; 62, cigarette pack pushing mechanism; 7, strip box pushing mechanism; 71, slide seat; 72, push rod; 73, limit block; 74, second compression spring; 75, linear module; 8, transition channel; 81, clearance gap. DETAILED DESCRIPTION

[0020] The present invention is described in detail below in conjunction with the accompanying drawings. The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements with the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be interpreted as limiting the present invention. The directional terms such as left, middle, right, top, and bottom in the examples of the present invention are only relative concepts or are based on the normal use state of the product, and should not be considered as restrictive.

[0021] A cigarette pack filling line, such as Figure 1 and Figure 2As shown, it includes a strip box supply warehouse 1, a cigarette pack supply system 6 and a strip box transmission line 4, a coated paper pulling out mechanism 5 is arranged at the box entry station of the strip box transmission line 4, the coated paper pulling out mechanism 5 is used to absorb the coated paper in the strip box and turn it out along the transmission direction of the strip box and keep the coated paper above one side of the strip box, the cigarette pack box entry mechanism 61 of the cigarette pack supply system 6 is located directly above the box entry station and above the coated paper pulling out mechanism 5; a strip box transfer line 2 is arranged between the discharge port of the strip box supply warehouse 1 and the strip box transmission line 4, the strip box transfer line 2 and the strip box transmission line 4 are both linear structures and are arranged perpendicular to each other, the inlet of the strip box transfer line 2 is connected to the outlet of the strip box supply warehouse 1, the outlet of the strip box transfer line 2 is connected to the box entry station, and a strip box transfer line 2 is arranged at the outlet of the strip box transfer line 2 A cover opening station and a strip box pushing mechanism 7 for pushing the strip box out are provided, a strip box cover opening mechanism 3 for flipping the strip box cover in the opposite direction of the strip box moving direction is provided at the cover opening station, a first guide rod 41 for stopping the box cover from closing is provided on the entrance side of the box entry station, a second guide rod 42 for guiding the box cover to close is provided on one side of the strip box transmission line 4, the second guide rod 42 and the first guide rod 41 are located on the same side of the strip box transmission line 4, the second guide rod 42 is located at a rear position in the strip box transmission direction relative to the first guide rod 41, the front end end of the second guide and the strip box transmission line 4 are respectively located on both sides of the rear end end of the first guide rod 41, and a gap for closing the cover is provided between the front end end of the second guide rod 42 and the rear end end of the first guide rod 41.

[0022] Among them, combined Figure 3As shown, the strip box supply bin 1 includes a vertical discharge channel 14, the lower end port of the discharge channel 14 is the discharge port of the strip box supply bin 1, the strip box transfer line 2 includes two conveyor belts 22 arranged in parallel, and a first baffle 23 is distributed on the conveying surface of the conveyor belt 22, the discharge port of the strip box supply bin 1 is located directly above the conveyor belt 22 at the entrance of the strip box transfer line 2, and a first clamping plate 11 and a second clamping plate 12 are respectively arranged on the opposite sides of the lower end port of the discharge channel 14, the first clamping plate 11 is fixedly connected to the discharge channel 14, and the second clamping plate 12 is connected to a driving mechanism 13 for driving it to approach or move away from the first clamping plate 11; between the two conveyor belts 22 and located in the discharge channel 14 Two vertical support plates 15 are arranged directly below, and the two vertical support plates 15 are arranged in parallel and can be lifted and lowered synchronously by a vertical telescopic cylinder 16. Due to the existence of the first baffle 23, a gap is left between the end of the conveyor belt 22 and the strip box transmission line 4 to make way for the first baffle 23. In order to prevent the strip box from falling when passing through the gap, a pallet 21 is arranged between the strip box transfer line 2 and the box entry station. One end of the pallet 21 extends between the two conveyor belts 22 and is located directly below the lower end port of the discharge channel 14. The other end of the pallet 21 extends to the box entry station. The top surface of the pallet 21 is flush with the transmission surface of the conveyor belt 22, so that when the strip box passes through the pallet 21, the pallet 21 drags the strip box. The strip boxes are stacked in the discharge channel 14 and supported by the vertical support plate 15 to fall. When the strip boxes are close to the conveyor belt 22, the vertical support plate 15 stops descending. The strip boxes of the second layer above the conveyor belt 22 are just located between the first clamping plate 11 and the second clamping plate 12. The second clamping plate 12 moves toward the first clamping plate 11 and clamps and holds the corresponding strip boxes. Then the vertical support plate 15 continues to descend and makes the strip boxes of the first layer above the conveyor belt 22 fall on the conveyor belt 22. The conveyor belt 22 drives the first baffle plate 23 to move and the strip boxes of the first layer on the conveyor belt 22 are The strip box moves out from under the strip box of the second layer, and then the vertical support plate 15 rises and holds up the above-mentioned second-layer strip boxes, and then the second clamping plate 12 returns to its position. When the strip boxes of the first layer move to the cover opening station, the conveyor belt 22 stops, and the vertical support plate 15 descends and pauses when the above-mentioned second-layer strip boxes are close to the conveyor belt 22. The second clamp and the first clamping plate 11 clamp the strip boxes adjacent to the above-mentioned second-layer strip boxes, and then the vertical support plate 15 continues to descend to make the above-mentioned second-layer strip boxes fall onto the conveyor belt 22, and this cycle is repeated to realize the unloading and transfer of the strip boxes.

[0023] Combination Figure 4As shown, the bar box cover opening mechanism 3 includes a swing arm 34 and a flap 33 which are interconnected to form an L-shaped structure, the flap 33 spans across the bar box transfer line 2, and suction cups 35 are distributed on the flap 33. The swing arm 34 is located on one side of the bar box transfer line 2, and the free end of the swing arm 34 is fixedly connected to the driving shaft of the servo motor. When it is necessary to open the cover of the strip box, the swing arm 34 swings to drive the flip to move toward the cover, and when the suction cup 35 is sucked on the cover, the swing arm 34 rotates in the opposite direction and causes the flap 33 to drive the suction cup 35 to move and open the cover of the strip box; the conveyor belt 22 is located between two parallel limit plates 24, and the limit plates 24 are arranged parallel to the conveyor belt 22. The limit plates 24 extend from the strip box supply bin 1 to the cover opening station, and the clamping rollers 36 are rotatably installed on the limit plates 24 corresponding to the positions located in the cover opening station, and the clamping rollers 36 located on the two limit plates 24 are used to The clamping roller 36 is used to clamp the corresponding strip box and roll along the conveying direction of the strip box. When the clamping roller 36 contacts the end face of the strip box, the generatrix on the circumferential surface of the clamping roller 36 is in contact with the end face of the strip box. A positioning plate 38 for positioning the strip box is installed on the limit plate 24 at the clamping roller 36. The positioning plate 38 is connected to the limit plate 24 through a transverse telescopic cylinder 37. The cylinder body of the transverse telescopic cylinder 37 is fixedly connected to the outer side of the limit plate 24. The telescopic rod of the transverse telescopic cylinder 37 passes through the limit plate 24 and is fixedly connected to the middle part of the limit plate 24. When the strip box passes through the clamping roller 36, the clamping roller 36 is clamped on the end faces of both ends of the strip box, and then the telescopic rod of the transverse telescopic cylinder 37 extends and drives the positioning plate 38 to abut against the side of the strip box, thereby positioning the strip box, which is convenient for the subsequent strip box cover opening mechanism 3 to open the box cover of the strip box. A bracket 31 is fixedly provided just above the limit plate 24, and a limit strip 32 is hingedly connected to the bracket 31. The free end of the limit strip 32 to the hinged end is arranged along the transmission direction of the box, and a first compression spring 39 is arranged between the free end of the limit strip 32 and the bracket 31. The two ends of the first compression spring 39 are respectively connected to the limit strip 32 and the bracket 31 to make the free end of the limit strip 32 tilt in the direction of the suction cup 35. When the box cover of the box is opened, the side of the box cover sweeps over the limit strip 32, and the limit strip 32 compresses the first compression spring 39 and makes way for the side of the box cover, and then the free end of the limit strip 32 rebounds and stops on the side of the box cover; when the suction cup 35 is separated from the box cover, the box pushing mechanism 7 pushes the box to move to the box entry station, and the side of the box cover slides over the free end of the limit strip 32 and is stopped on the first guide rod 41.

[0024] Combination Figure 5As shown, the strip box pushing mechanism 7 includes a slide 71 and a linear module 75 for driving the slide 71 to move back and forth along the conveying direction of the strip box. The slide 71 is located between the two conveyor belts 22 and lower than the support plate 21. Two parallel push rods 72 are arranged on the top surface of the slide 71. The long direction of the push rod 72 is arranged along the conveying direction of the strip box. One end of the push rod 72 is hinged on the slide 71. A second compression spring 74 is arranged between the middle part of the push rod 72 and the slide 71. The two ends of the second compression spring 74 are respectively connected to the push rod 72 and the slide 71 to tilt the free end of the push rod 72 upwards. The free end of the push rod 72 is higher than the conveying surface of the conveyor belt 22. The upper end of the push rod 72 extends to the outer side of the slide 71 toward the box-entering station. The pallet 21 is located between the two push rods 72, so that when the slide 71 and the push rod 72 pass the pallet 21, the slide 71 moves under the pallet 21, and the push rod 72 moves on both sides of the pallet 21. When the box cover of the strip box is opened, the linear module 75 drives the push rod 72 to move toward the strip box, and the push rod 72 pushes the strip box into the box station; when the slide 71 returns to its original position, if the push rod 72 interferes with the newly moved strip box, the push rod 72 compresses the second compression spring 74 and then swings downward, thereby bypassing the strip box from below and preparing to push the strip box. By controlling the upward height of the push rod 72, the distance between the box and the slide 71 is controlled when the push rod 72 contacts the box. A stop block 73 is fixed on the top surface of the slide 71, and one end of the stop block 73 abuts against the top surface of the lower end of the push rod 72. Due to the layout of other structures below the box transfer line 2 and the box transmission line 4, a certain gap needs to be left between the box transfer line 2 and the box transmission line 4. To make up for this gap, a transition channel 8 is provided between the box transfer line 2 and the box transmission line 4. The transition channel 8 connects the box opening station and the box entry station. The clamping rollers 36 are distributed on both side walls of the transition channel 8. A clearance gap 81 is provided on the bottom surface of the transition channel 8. The clearance gap 81 faces the support plate 21. The slide 71 moves along the linear module 75 to the clearance gap 81, so that the push rod 72 can push the box from the box opening station to the box entry station.

[0025] In addition, the cigarette pack supply system 6 includes a cigarette pack supply line, a cigarette pack pushing mechanism 62 and a cigarette pack boxing mechanism 61, wherein the cigarette pack pushing mechanism 62 is used to push two layers of cigarette packs consisting of ten cigarette packs on the cigarette pack supply line into the cigarette pack boxing mechanism 61 at one time, and the cigarette pack boxing mechanism 61 presses the two layers of cigarette packs into the strip box after the cover is opened; wherein, the cigarette pack pushing mechanism 62, the cigarette pack boxing mechanism 61 and the coating paper pulling out mechanism 5 respectively adopt the cigarette pack pushing mechanism 62, the cigarette pack boxing mechanism 61 and the coating paper opening mechanism in the double linear transmission packaging system of a double-layer strip box and cigarette packs disclosed in publication number CN113264238B, and the linear transmission structure of the coating paper pulling out mechanism 5 and the strip box transfer line 2 are respectively located on both sides of the strip box transmission line 4.

[0026] The above shows and describes the basic principles, main features and advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments. The above embodiments and descriptions are only for explaining the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. A cigarette pack filling line, comprising a carton supply bin, a cigarette pack supply system and a carton transmission line, characterized in that: A coated paper pulling mechanism is provided at the box entry station of the strip box transmission line, and the coated paper pulling mechanism is used to absorb the coated paper in the strip box and turn it out along the transmission direction of the strip box and keep the coated paper above one side of the strip box. The cigarette pack box entry mechanism of the cigarette pack supply system is located directly above the box entry station and above the coated paper pulling mechanism; a strip box transfer line is provided between the discharge port of the strip box supply bin and the strip box transmission line, and the strip box transfer line and the strip box transmission line are both linear structures and are arranged perpendicular to each other, and the inlet of the strip box transfer line is connected to the outlet of the strip box supply bin. The outlet of the strip box transfer line is connected with the box entry station, a cover opening station and a strip box pushing mechanism for pushing the strip box out are arranged at the outlet of the strip box transfer line, a strip box cover opening mechanism for flipping the strip box cover in the opposite direction of the strip box moving direction is arranged at the cover opening station, a first guide rod for stopping the box cover from closing is arranged at the inlet side of the box entry station, a second guide rod for guiding the box cover to close is arranged at one side of the strip box transfer line, and a gap for closing the cover is arranged between the front end end of the second guide rod and the rear end end of the first guide rod; The strip box supply bin includes a vertical discharge channel, the lower end port of the discharge channel is the discharge port of the strip box supply bin, the strip box transfer line includes two conveyor belts arranged in parallel, a first baffle is distributed on the conveying surface of the conveyor belt, the discharge port of the strip box supply bin is located directly above the conveyor belt at the entrance of the strip box transfer line, and a first clamping plate and a second clamping plate are respectively arranged on the opposite sides of the lower end port of the discharge channel, the first clamping plate is fixedly connected to the discharge channel, and the second clamping plate is used to drive it to approach or move away from the first The driving mechanism of the clamping plate is connected; two vertical support plates are arranged between the two conveyor belts and directly below the discharge channel, and the two vertical support plates are arranged in parallel and lifted; a pallet is arranged between the strip box transfer line and the box entry station, one end of the pallet extends between the two conveyor belts, and the other end of the pallet extends to the box entry station, and the top surface of the pallet is flush with the conveying surface of the conveyor belt; the conveyor belts are located between two limit plates arranged in parallel, and the limit plates are arranged parallel to the conveyor belts; A bracket is fixedly provided just above the limit plate, a limit strip is hinged on the bracket, the free end of the limit strip to the hinged end is arranged along the transmission direction of the strip box, a first compression spring is arranged between the free end of the limit strip and the bracket, the two ends of the first compression spring are respectively connected to the limit strip and the bracket and make the free end of the limit strip tilt toward the direction of the suction cup; The strip box pushing mechanism includes a slide and a linear module for driving the slide to move back and forth along the transmission direction of the strip box, the slide is located between the two conveyor belts and lower than the support plate, two parallel push rods are arranged on the top surface of the slide, the long direction of the push rod is arranged along the transmission direction of the strip box, one end of the push rod is hinged on the slide, and a second compression spring is arranged between the middle part of the push rod and the slide, the two ends of the second compression spring are respectively connected to the push rod and the slide and make the free end of the push rod tilt upward, the free end of the push rod is higher than the transmission surface of the conveyor belt, the upper end of the push rod extends to the outside of the slide toward the box-entering station, and the support plate is located between the two push rods.

2. A cigarette pack filling line according to claim 1, characterized in that: The strip box cover opening mechanism includes a swing arm and a flap which are connected to each other and form an L-shaped structure. The flap spans across the strip box transfer line, suction cups are distributed on the flap, and the swing arm is located on one side of the strip box transfer line.

3. A cigarette pack filling line according to claim 2, characterized in that: The limit plate extends from the strip box supply bin to the cover opening station, and clamping rollers are rotatably installed on the limit plates at positions corresponding to those in the cover opening station. The clamping rollers on the two limit plates are used to clamp the corresponding strip boxes and roll along the conveying direction of the strip boxes; a positioning plate for positioning the strip boxes is installed at the clamping rollers on the limit plates, and the positioning plate is connected to the limit plates via a transverse telescopic cylinder.

4. A cigarette pack filling line according to claim 3, characterized in that: A limit block is fixedly arranged on the top surface of the slide seat, and one end of the limit block abuts against the top surface of the lower end of the push rod.

5. The cigarette package filling line according to claim 3, characterized in that: A transition channel is arranged between the strip box transfer line and the strip box transmission line, the transition channel connects the cover opening station and the box insertion station, the clamping rollers are distributed on both side walls of the transition channel, and a clearance gap is arranged on the bottom surface of the transition channel, and the clearance gap faces the support plate.

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