A double-station air-blowing heated cigarette paper tube feeding device and method

Abstract

The present invention relates to the technical field of cigarette production equipment, and in particular to a double-station air-blown heated cigarette paper tube feeding device and method, comprising two feeding units to form a double station; each feeding unit comprises an upper cigarette tray assembly, a lowering assembly and an ejection assembly arranged in sequence from top to bottom; the lowering assembly comprises a cigarette drop trough for orderly arranging paper tubes up and down, and a push plate provided on the ejection assembly is internally provided with a row of vent holes for passing compressed gas, corresponding to the cigarette drop trough, and as the push plate is pushed toward one side of a feeding hose, the paper tubes are completely ejected by the compressed air; the double-station air-blown heated cigarette paper tube feeding device provided by the present invention can realize that the paper tube feeding can meet the filling and injection of one mold box at a time, without the need for a channel dividing device, thereby reducing the paper tube injection time.

Description

Technical Field

[0001] The present invention relates to the technical field of cigarette production equipment, in particular to a double-station air-blowing heating cigarette paper tube feeding device and method. Background Art

[0002] During the filling process of granular heat-not-burn cigarettes, paper tubes need to be supplied first. After the paper tubes delivered by a set of paper tube feeders reach the downstream filling machine, they must pass through a dividing device to inject a row of paper tubes into the filling machine mold box. The dividing device must be operated multiple times to fill a mold box, and it takes a long time to inject the paper tubes.

[0003] In addition, an axial push rod is usually used to push the paper tube into the conveying pipe and send it to the downstream filling machine for filling operations. The axial push rod has hard contact with the paper tube, which will cause damage to the paper tube. If the outer edge of the paper tube is dented, it will directly affect the smooth injection of firmware, filter tips, etc. by the downstream filling machine, resulting in an increase in defective products, and in severe cases, it will cause equipment jamming and shutdown.

[0004] The paper tubes are pushed into the conveying hose and are generally arranged tightly together. When the push rod is pushed out, it will squeeze the paper tubes close to the paper tube supply device. If the paper tubes are unevenly stressed during the ejection process, they may get stuck in the hose, causing frequent equipment shutdowns. Summary of the Invention

[0005] In response to the shortcomings of the existing technology, the present invention aims to provide a dual-station air-blowing heated cigarette paper tube feeding device and method. By setting up two stations, the paper tube can be fed once to meet the filling and injection of a mold box, eliminating the need for a channel device and reducing the paper tube injection time. Compressed air is passed through the inner cavity of the push plate to blow the paper tube out to the rear conveying hose without causing hard contact with the paper tube, thus avoiding damage to the paper tube. To achieve the above objectives, the present invention is implemented through the following technical solutions:

[0006] In the first aspect, the present invention provides a double-station air-blown heated cigarette paper tube feeding device, comprising two feeding units to form a double station; each of the feeding units comprises an upper cigarette tray assembly, a lower feeding assembly and an ejection assembly arranged in sequence from top to bottom; the lower feeding assembly comprises a cigarette drop trough for arranging paper tubes in an orderly manner up and down, and a push plate provided on the ejection assembly is provided with a row of air vents with compressed gas inside, corresponding to the cigarette drop trough, and as the push plate is pushed toward one side of the feeding hose, the paper tubes are completely ejected by the compressed air.

[0007] As a further implementation method, the upper smoke tray assembly includes a front smoke tray, a rear baffle and a movable baffle, the rear baffle is vertically arranged, the front smoke tray is located outside the rear baffle, and the movable baffle is installed below the front smoke tray.

[0008] As a further implementation, a spring is provided between the front cigarette tray and the movable baffle. When the front cigarette tray is flipped to a vertical position, the movable baffle is pushed outward by the spring to open the bottom of the front cigarette tray.

[0009] As a further implementation method, the unloading assembly includes a beater, two side guide plates and a swing roller arranged in the order of the paper tubes passing through. The beater is used to beat the paper tubes neatly, the guide plate is used to guide the paper tubes to close, and the swing roller is used to divert the paper tubes.

[0010] As a further implementation, the blanking assembly further includes a smoke trough baffle, which forms the smoke drop trough.

[0011] As a further implementation method, the blanking component also includes a stirring shaft for stirring the paper tube in the blanking component and ensuring that the paper tube falls into the smoke drop chute.

[0012] As a further implementation, the ejection assembly further includes a moving seat to drive the push plate to move, and the push plate is provided with a groove cavity communicating with the inner cavity of the moving seat.

[0013] As a further implementation, the movable seat is provided with a movable cylinder, and the movable cylinder is provided with a limit switch.

[0014] As a further implementation, it further includes a frame assembly, and the feeding unit is arranged on the frame assembly.

[0015] In a second aspect, the present invention provides a method for operating the dual-station air-blowing heated cigarette paper tube feeding device according to the first aspect, comprising the following steps:

[0016] The whole tray of paper tubes is loaded into the upper cigarette tray assembly, the bottom is opened, and the paper tubes fall into the lowering assembly under gravity;

[0017] After entering the unloading assembly, the paper tubes pass through the clapper, the guide plates on both sides and the swing roller in sequence, and are stirred by the stirring shaft, and then fall into the cigarette drop chute in sequence. The cigarette drop chute is filled with a row of paper tubes in an orderly manner from top to bottom.

[0018] The movable seat is driven to push the inner side of the lower material assembly. During the movement of the push plate, the compressed air from the vent blows the paper tube in the cigarette drop trough into the feeding hose and falls into the downstream storage area. When the movable seat starts to retreat, the air supply is stopped.

[0019] The beneficial effects of the present invention are as follows:

[0020] 1. The dual-station air-blown heated cigarette paper tube feeding device provided by the present invention has two feeding units, each of which can work independently to form a dual-station, and each feeding unit has a cigarette tray assembly, a discharge assembly and an ejection assembly; it can realize that a single feeding of paper tubes can meet the filling and injection of a mold box, without the need for a channel separation device, thereby reducing the paper tube injection time.

[0021] 2. The push plate of the present invention's ejector assembly is internally equipped with a row of compressed air vents corresponding to the cigarette dropout troughs. As the push plate pushes toward the feed hose, the compressed air ejects the paper tubes completely. Compressed air is introduced into the push plate's cavity, blowing the paper tubes out onto the rear feed hose without causing physical contact and thus preventing damage to the paper tubes.

[0022] 3. The present invention adopts a single emptying method, using compressed air to blow a single paper tube to the rear conveying hose and slide it down to the storage area of ​​the downstream filling machine, avoiding extrusion and deformation when the paper tube is ejected. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] The accompanying drawings, which constitute a part of the present invention, are used to provide a further understanding of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute improper limitations on the present invention.

[0024] Figure 1 This is a schematic diagram of the overall structure of a double-station air-blowing heated cigarette paper tube feeding device provided in an embodiment of the present invention;

[0025] Figure 2 This is a schematic structural diagram of a cigarette tray assembly provided in an embodiment of the present invention;

[0026] Figure 3 This is a schematic structural diagram of a blanking assembly provided in an embodiment of the present invention;

[0027] Figure 4 A schematic diagram of the structure of an ejection assembly provided in an embodiment of the present invention;

[0028] Figure 5 This is a schematic diagram of the top plate structure provided in an embodiment of the present invention.

[0029] Figure 6 The figure is a schematic diagram of the structure of the rack assembly provided in an embodiment of the present invention.

[0030] In the figure: the distances or sizes between parts are exaggerated to show the positions of various parts, and the schematic diagram is for reference only.

[0031] in:

[0032] 1. Upper smoke tray assembly; 101. Rear baffle; 102. Front smoke tray; 103. Movable baffle; 104. Spring; 105. Fixed seat; 2. Unloading assembly; 201. Wall panel; 202. Clapper; 203. Organic glass door; 204. Stirring motor; 205. Guide plate; 206. Stirring shaft; 207. Smoke chute baffle; 208. Swing roller; 209. Feed hose; 3. Ejector assembly; 301. Guide shaft; 302. Linear bearing; 303. Detection bracket ; 304, first limit switch; 305, second limit switch; 306, left fixed bracket; 307, mounting plate; 308, movable seat; 309, push plate; 310, detection plate; 311, quick connector; 312, right fixed bracket; 313, connecting seat; 314, connecting connector; 315, movable cylinder; 316, plug; 4, rack assembly; 401, rack body; 402, rack connecting plate; 403, protective cover; 404, movable caster; 5, connecting plate. DETAILED DESCRIPTION

[0033] It should be noted that the following detailed description is illustrative and is intended to provide further explanation of the present invention. Unless otherwise specified, all technical and scientific terms used in the present invention have the same meaning as commonly understood by those skilled in the art to which the present invention belongs.

[0034] Example 1

[0035] In a typical embodiment of the present invention, referring to Figure 1 As shown, a double-station air-blown heated cigarette paper tube feeding device includes two feeding units to form a double station; each feeding unit includes an upper cigarette tray assembly 1, a discharge assembly 2 and an ejection assembly 3 arranged in sequence from top to bottom; the feeding unit is installed on a frame assembly 4. Specifically, the feeding device has two sets of discharge assemblies 2, two sets of ejection assemblies 3, two sets of upper cigarette tray assemblies 1 and two connecting plates 5 connecting the discharge assemblies 2 on both sides.

[0036] The double-station air-blown heated cigarette paper tube feeding device provided in this embodiment has two feeding units, each of which can work independently to form a double station, and each feeding unit has an upper cigarette tray assembly 1, a lower material assembly 2 and an ejection assembly 3; it can realize that the paper tube can be fed once to meet the filling and injection of one mold box, without the need for a dividing device, thereby reducing the paper tube injection time.

[0037] like Figure 1 As shown, two sets of blanking assemblies 2 are bolted to the top of the frame assembly 4. Two sets of ejector assemblies 3 are fixed to the two sides of the frame assembly 4 and are located below the blanking assemblies 2. The upper cigarette tray assembly 1 is bolted to the top of the blanking assembly 2, and two connecting plates 5 connect and secure the two blanking assemblies 2 together.

[0038] like Figure 2 As shown, the upper smoke tray assembly 1 includes a rear baffle 101, a front smoke tray 102, a movable baffle 103, and a fixed seat 105. Specifically, the front smoke tray 102 is connected to the fixed seat 105 and is located outside the rear baffle 101. The spring 104 is installed on the front smoke tray 102, and the movable baffle 103 is installed below the front smoke tray 102.

[0039] The front cigarette tray 102 of the upper cigarette tray assembly 1 is used to hold a whole tray of paper tubes. The front cigarette tray 102 can be manually flipped to a vertical position, and the movable baffle 103 is pushed to the outside under the drive of the spring 104 to open the bottom of the front cigarette tray 102, and then the paper tubes fall into the blanking assembly 2 below.

[0040] like Figure 3 As shown, the unloading assembly 2 includes a wall panel 201, a clapper board 202, a plexiglass door 203, a stirring motor 204, a guide plate 205, a stirring shaft 206, a smoke trough baffle 207, a swing roller 208, and a feeding hose 209.

[0041] Specifically, the wall panel 201 is vertically arranged, with a clapper 202 mounted on its upper portion. Paper tubes enter the discharge assembly 2 from the upper cigarette tray assembly 1, where they are struck and aligned by the clapper 202. Guide plates 205 are mounted on the outside of the wall panel 201, guiding the paper tubes to close. A chute baffle 207 is mounted on the lower portion of the wall panel 201, while an oscillating roller 208 is mounted on the wall panel 201, above the baffle 207. A feed hose 209 is mounted on the inner portion of the wall panel 201, with the oscillating roller 208 used to divert the paper tubes. A plexiglass door 203 is mounted on the outer side of the wall panel 201, while a stirring motor 204 is mounted on the inner side of the wall panel 201. A stirring shaft 206 is mounted on the lower portion of the wall panel 201.

[0042] In this embodiment, the stirring motor 204 and stirring shaft 206 are driven in an oscillating manner, driving the stirring shaft 206 to oscillate back and forth to achieve the stirring function. The stirring motor 204 drives the stirring shaft 206 to continuously rotate back and forth to stir the paper tubes within the discharge assembly 2, causing the paper tubes to fall smoothly into the smoke chute formed by the smoke chute baffle 207. The smoke chute is filled with a row of paper tubes in an orderly manner, with the organic glass door 203 blocking approximately one-third of the upper portion of the bottom layer of paper tubes.

[0043] like Figure 4The figure shows the specific structure of the ejection assembly 3. The mounting plate 307 is fixed on the left fixing frame 306 and the right fixing frame 312, and the linear bearing 302, the moving cylinder 315 and the detection bracket 303 are installed on the mounting plate 307. The first limit switch 304 and the second limit switch 305 are installed on the detection bracket 303, and the first limit switch 304 and the second limit switch 305 are set at the same height, and the distance between the two is the stroke of the push plate 309. The moving cylinder 315 moves until the detection plate 310 contacts the first limit switch 304, and then the moving cylinder 315 stops and retreats, and stops after the second limit switch 305 contacts the detection plate 310. The front end of the piston rod of the moving cylinder 315 is installed with a connecting joint 314, which cooperates with the connecting seat 313 installed on the moving seat 308. The guide shaft 301 is installed on the moving seat 308 and cooperates with the linear bearing 302. A push plate 309 is installed above the moving seat 308, and a quick-connect connector 311 is installed below the moving seat 308.

[0044] The push plate 309 is fixed to the movable seat 308 by bolts. The push plate 309 is provided with a groove cavity which is communicated with the inner cavity of the movable seat 308. The push plate 309 is provided with a plurality of through holes, and the rear side of the through holes is blocked by a plug.

[0045] The push plate of the ejector assembly 3 is equipped with a row of vents for compressed air, corresponding to the smoke dropout troughs. As the push plate 309 pushes toward the feed hose, the compressed air ejects the paper tubes completely. Compressed air is passed through the push plate's cavity, blowing the paper tubes out into the rear feed hose without any hard contact, thus preventing damage to the paper tubes.

[0046] When the smoke chute is filled with a row of paper tubes in an orderly fashion, the moving cylinder 315 is activated. Simultaneously, compressed air is connected to the quick-connector 311 through the inner cavity of the moving seat 308 and the air holes in the push plate 309. Driven by the moving cylinder 315, the moving seat 308 is pushed toward the side of the wall panel 201 of the downfeed assembly 2. During the movement of the push plate 309, compressed air from the air holes blows the paper tubes between the smoke chute baffles 207 into the rear feed hose 209, where they fall into the downstream storage area. When the moving cylinder 315 retracts, the air supply to the quick-connector 311 is stopped. This reciprocating process continuously feeds the paper tubes.

[0047] A single emptying method is adopted, that is, one row of paper tubes is emptied at a time. The single paper tube is blown to the rear conveying hose through compressed air and slides down to the storage area of ​​the downstream filling machine to avoid extrusion and deformation when the paper tube is ejected.

[0048] like Figure 5 As shown, the push plate 309 is fixed to the movable seat 308 by bolts, and the plug 316 is installed at the threaded hole on the rear side of the push plate 309.

[0049] In this embodiment, a plurality of through holes are provided in the push plate 309 for connecting compressed air. A groove is provided at the bottom of the rear side of the push plate 309 to communicate with the inner cavity of the movable seat 308. The push plate 309 and the movable seat 308 are fixed with a sealing gasket or a sealant to prevent air leakage.

[0050] like Figure 6 As shown, the rack connecting plate 402 connects the rack bodies 401 on both sides together, the protective cover 403 is installed on the rack body 401, and four movable casters 404 are respectively installed at the bottom of the rack body 401.

[0051] Example 2

[0052] This embodiment provides a method for operating the dual-station air-blowing heated cigarette paper tube feeding device according to the first embodiment, comprising the following steps:

[0053] A tray of paper tubes is manually loaded into the front cigarette tray 102 of the upper cigarette tray assembly 1. The tray 102 is then manually tilted to a vertical position. The movable baffle 103, driven outward by the spring 104, opens the front cigarette tray 102, and the paper tubes fall by gravity into the discharge assembly 2. Once in the discharge assembly 2, the paper tubes are struck by a clapper 202 to align them. Side guides 205 close and guide the tubes. The tubes are then diverted by an oscillating roller 208. A stirring motor 204 drives a stirring shaft 206 in a continuous reciprocating motion, stirring the tubes within the discharge assembly 2. The tubes then smoothly fall into the drop chute formed by the baffles 207. The drop chute is then filled with an orderly row of paper tubes, with the plexiglass door 203 blocking approximately one-third of the top of the bottom layer of tubes. At this time, the moving cylinder 315 is in motion, and at the same time, the quick-connect connector 311 is connected to the compressed air through the inner cavity of the moving seat 308 and the air hole provided in the push plate 309. The moving seat 308 is pushed to the side of the wall panel 201 of the lower material component 2 by the drive of the moving cylinder 315. During the movement of the push plate 309, the compressed air from the air hole blows the paper tube between the smoke trough baffle 207 into the rear feeding hose 209 and falls into the downstream storage area. The moving cylinder 315 is in motion until the detection plate 310 contacts the first limit switch 304, and the moving cylinder 315 stops moving and retreats, and stops after the second limit switch 305 contacts the detection plate 310. When the moving cylinder 315 starts to retreat, the air supply at the quick-connect connector 311 is stopped.

[0054] The foregoing description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Those skilled in the art will readily appreciate that various modifications and variations of the present invention are possible. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of the present invention are intended to be within the scope of protection of the present invention.

Claims

1. A double-station air-blowing heated cigarette paper tube feeding device, characterized in that: The invention comprises two feeding units, forming a double workstation; each feeding unit comprises an upper cigarette tray assembly, a lowering assembly and an ejecting assembly arranged in sequence from top to bottom; the lowering assembly comprises a cigarette drop chute for arranging paper tubes in an orderly manner up and down, and a push plate provided in the ejecting assembly is internally provided with a row of vents for compressed gas, corresponding to the cigarette drop chute, and as the push plate is pushed toward one side of the feeding hose, the paper tubes are all ejected by the compressed air; the ejecting assembly further comprises a movable seat, a detection plate, a first limit switch and a second limit switch, the movable seat drives the push plate to move, and the distance between the first limit switch and the second limit switch is the stroke of the push plate; the movable seat of the ejecting assembly is driven to push toward the inner side of the lowering assembly, and during the movement of the push plate, the compressed air in the vents blows the paper tubes in the cigarette drop chute into the feeding hose and falls into the downstream storage area, the movable cylinder moves until the detection plate contacts the first limit switch, the movable cylinder stops and retreats, and stops when the second limit switch contacts the detection plate, and the air supply stops when the movable seat begins to retreat.

2. A double-station air-blowing heated cigarette paper tube feeding device according to claim 1, characterized in that: The upper smoke tray assembly includes a front smoke tray, a rear baffle and a movable baffle. The rear baffle is vertically arranged, the front smoke tray is located outside the rear baffle, and the movable baffle is installed below the front smoke tray.

3. The double-station air-blowing heated cigarette paper tube feeding device according to claim 2, characterized in that: A spring is provided between the front cigarette tray and the movable baffle. When the front cigarette tray is flipped to a vertical position, the movable baffle is pushed outwards driven by the spring to open the bottom of the front cigarette tray.

4. A double-station air-blowing heated cigarette paper tube feeding device according to claim 1, characterized in that: The unloading assembly includes a patter, two side guide plates and a swing roller arranged in the order of the paper tubes passing through. The patter is used to hit the paper tubes neatly, the guide plate is used to guide the paper tubes to close, and the swing roller is used to divert the paper tubes.

5. The double-station air-blowing heated cigarette paper tube feeding device according to claim 4, characterized in that: The blanking assembly further comprises a smoke trough baffle, which forms the smoke drop trough.

6. A double-station air-blowing heated cigarette paper tube feeding device according to claim 4, characterized in that: The blanking assembly further includes a stirring shaft for stirring the paper tubes in the blanking assembly and ensuring that the paper tubes fall into the smoke drop chute.

7. The double-station air-blowing heated cigarette paper tube feeding device according to claim 1, characterized in that: The push plate is provided with a groove cavity which is communicated with the inner cavity of the moving seat.

8. The double-station air-blowing heated cigarette paper tube feeding device according to claim 7, characterized in that: The moving seat is equipped with a moving cylinder.

9. The double-station air-blowing heated cigarette paper tube feeding device according to claim 1, characterized in that: It also includes a frame assembly, and the feeding unit is arranged on the frame assembly.

10. The operating method of the double-station air-blowing heated cigarette paper tube feeding device according to any one of claims 1 to 9, characterized in that: The following steps are involved: Load the entire tray of paper tubes into the upper cigarette tray assembly, open the front bottom of the upper cigarette tray assembly, and the paper tubes fall into the unloading assembly under gravity; After entering the discharge assembly, the paper tubes pass through the clapper, guide plates on both sides and swing rollers of the discharge assembly in sequence, and are stirred by the stirring shaft of the discharge assembly, and then fall into the cigarette drop chute in sequence. The cigarette drop chute is filled with a row of paper tubes in an orderly manner from top to bottom. The movable seat of the ejection assembly is driven to push toward the inner side of the lower material assembly. During the movement of the push plate, the compressed air from the vent hole blows the paper tube in the cigarette drop trough into the feeding hose and falls into the downstream storage area. When the movable seat starts to retreat, the air supply is stopped.

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