Automatic tobacco filling machine

Abstract

The present invention discloses an automatic tobacco filling machine, comprising a frame, an automatic tobacco feeding mechanism, an automatic weighing and feeding mechanism, a tobacco compacting mechanism and a filling and discharging mechanism. The automatic tobacco feeding and weighing mechanism is combined with a turning mechanism to turn the weighed tobacco through a material tray and introduce it into a pressing bin, and then the tobacco is pressed into a cylindrical shape by the compacting mechanism and pushed into an empty cigarette tube. The entire device is compact in size, and fully automated tobacco filling is achieved with high filling efficiency. By weighing the tobacco before filling, the accuracy of the cigarette weight is ensured, and waste caused by excessive tobacco is effectively avoided. At the same time, the tobacco is compacted and then pushed into the empty cigarette tube, which can greatly improve the uniformity of cigarette filling and also improve the filling efficiency.

Description

Technical Field

[0001] The invention relates to the field of tobacco experimental equipment, in particular to an automatic tobacco filling machine. Background Art

[0002] Tobacco companies need to conduct extensive experiments when developing new products, such as flavor formulation experiments, single-grade tobacco evaluation experiments, and smoke tests. These experiments sometimes require preformed cigarettes, which require a small number of cigarettes but require high weight accuracy. Currently, most cigarettes used in laboratories are weighed and filled manually, which is inefficient, results in poor filling uniformity, and easily causes tobacco contamination, affecting experimental results. Production-grade filling machines are also overly large, consume excessive amounts of tobacco, and cause significant waste. Small-batch cigarette-making machines used in the market primarily package tobacco and flavorings, then push the tobacco directly into the cigarette paper tube through a pusher mechanism. Cigarettes produced using this pusher method lack precise weight accuracy and fail to meet experimental requirements. Summary of the Invention

[0003] The purpose of the present invention is to solve the above problems and provide an automatic tobacco filling machine to solve the problems of inaccurate weight, slow filling speed and poor uniformity of current cigarette filling experimental equipment.

[0004] The technical problem solved by the present invention can be achieved by adopting the following technical solutions:

[0005] A tobacco automatic filling machine, comprising:

[0006] The frame is provided with a working platform; the working platform is provided with an automatic tobacco feeding mechanism;

[0007] An automatic weighing and feeding mechanism is installed on the working platform and includes a feed tray mechanism, a weighing device, a turning device, and a material shaking device; the feed tray mechanism is provided with a feed tray docking with the tobacco automatic feeding mechanism, the weighing device is arranged below the feed tray mechanism, the feed tray mechanism is mounted on the material shaking device, and the material shaking device is mounted on the turning device; after the weighing device performs weighing, the turning device drives the feed tray mechanism and the material shaking device to move upward and turn 90 degrees;

[0008] The top end of the pressing plate is fixedly mounted on the working platform, and the bottom end of the pressing plate is fixedly mounted on the working platform, and the bottom end of the pressing plate is fixedly mounted on the working platform, and the bottom end of the pressing plate is fixedly mounted on the working platform.

[0009] The filling and discharging mechanism is arranged at the front end of the tobacco compacting mechanism, and includes a tobacco tube placement bin, a tobacco tube pushing mechanism, a tobacco filling mechanism and a finished product pushing mechanism; empty tobacco tubes are placed in the tobacco tube placement bin, and the tobacco tube pushing mechanism is arranged on the outside of the front end of the tobacco tube placement bin, and is provided with a tobacco tube push rod inserted into the inner bottom of the tobacco tube placement bin; the tobacco filling mechanism is arranged between the tobacco compacting mechanism and the tobacco tube placement bin, and is provided with a forming cavity at the lower end; the tobacco tube push rod pushes the empty tobacco tube into the forming cavity, and the tobacco forming sleeve pushes the compacted tobacco column into the empty tobacco tube; the tobacco filling mechanism is hinged at the upper end and expandable at the lower end; a lever-type opening and closing control panel is provided on the side of the tobacco filling mechanism; the finished product pushing mechanism pushes the opening and closing control panel to control the opening or closing of the lower end of the tobacco filling mechanism.

[0010] Furthermore, the frame is also provided with an upper cover and a lower box body, the upper end surface of the upper cover is provided with a tobacco adding area, an observation area, a tobacco tube insertion area and a control area, the control area is provided with a control panel and control buttons, and the front end of the upper cover is provided with a tobacco collection area and a finished product collection area.

[0011] Furthermore, the automatic tobacco feeding mechanism includes

[0012] The blanking device is fixedly arranged on the upper cover, and includes a blanking barrel, a valve plug-in plate and a valve control cylinder. The blanking barrel is a hollow cylinder that passes through from top to bottom and is provided with a base. The upper end is fixedly mounted on the upper cover. The valve plug-in plate can be plugged into the base. There are two valve control cylinders, which are respectively arranged on the upper end surface of the base and on both sides of the blanking barrel. The top rods of the two valve control cylinders are connected to one end of the valve plug-in plate to control the opening or closing of the valve plug-in plate.

[0013] A vibration plate is arranged directly below the blanking device, and is connected to the downwardly inclined discharge chute at the outlet of the conveying track;

[0014] The blowing mechanism is arranged above the vibration disk and includes a blowing elbow, a elbow mounting block and a elbow lifting mechanism. The elbow lifting mechanism is fixedly mounted on the working platform, and the elbow mounting block can be slidably mounted on the elbow lifting mechanism. The blowing elbow is fixedly clamped on the elbow mounting block, with the lower end arranged above the vibration disk surface and the other end connected to an external air pump.

[0015] Furthermore, the tray mechanism further includes a bottom support, a bracket and a bracket mounting plate; the tray is in a concave arc shape, the bottom support is fixedly mounted on the lower end, the bottom support is arranged on the weighing device, and the bracket has two ends, which are respectively arranged on both sides of the lower end of the tray, one end is suspended in the air, and the other end is fixedly mounted on the bracket mounting plate, the bracket mounting plate is vertically arranged and connected to the shaking device;

[0016] The weighing device is provided with a supporting protrusion, a supporting plate, a weighing sensor, a lower support and a weighing base; the supporting protrusion is two raised cones, and two circular holes are provided on the bottom bracket to cooperate with the supporting protrusion; the supporting protrusion is mounted on the supporting plate, and a weighing sensor is mounted below the supporting plate, and one end of the weighing sensor is suspended and mounted on the lower support, and the lower support is fixedly mounted on the weighing base, and the weighing base is an L-block, the vertical surface of which is connected to a vertical plate, and the vertical plate is fixedly mounted on the working platform;

[0017] The turning device includes a turning and lifting module, a turning slider, a steering connecting block and a rotating guide slot, the turning and lifting module is vertically arranged and fixed on the working platform through a bracket, the turning slider is slidably mounted on the turning and lifting module, and a rotating shaft is provided on the vertical surface of the turning slider and is connected to the material shaking device; the material shaking device includes a material shaking cylinder, a material tray mounting plate and a steering base, the material tray mounting plate is mounted on the piston rod end of the material shaking cylinder and is fixedly connected to the bracket mounting plate, the cylinder body of the material shaking cylinder is fixedly mounted on the vertical surface of the steering base, and the steering base is rotatably connected to the rotating shaft through a bearing; the steering connecting block is L-shaped, one side is mounted on the upper end surface of the steering base, and the end of the other side is provided with a roller embedded in the rotating guide slot, and the rotating guide slot is fixedly arranged on one side of the turning and lifting module, is an L-shaped curved groove, and the corner is arc-shaped.

[0018] Furthermore, the pressing bin is composed of a left bin plate and a right bin plate, and the front and rear ends of the pressing bin are respectively fixedly mounted on the bracket, and the inner bottom surfaces of the left bin plate and the right bin plate are provided with an arc, which form an arc-shaped bottom support after installation; the upper part of the bin plate is provided with an oblique opening, and after the material tray is flipped over, it is located above the oblique opening; a guide sleeve mounting plate is provided above the pressing plate connecting seat, and a guide sleeve is installed on the guide sleeve mounting plate, and a guide block is provided at the front end of the bracket, and the guide block is provided with a through slot tube communicating with the arc-shaped bottom support, and the tobacco forming sleeve extends into the through slot tube of the guide block and is erected above the arc-shaped bottom support, the diameter of the tobacco forming sleeve is smaller than the diameter of the empty cigarette tube, and the two edges of the upper end of the tobacco crimping groove are serrated, and the tooth tips are inclined forward toward the direction of tobacco pushing out; the upper end face of the guide block is provided with a guide column, and the guide column cooperates with the guide sleeve.

[0019] Furthermore, a cigarette tube cavity is provided at the lower end of the cigarette tube placement bin. The cigarette tube cavity is a semicircular groove with openings at both front and rear ends. It is installed at the lower end of the cigarette tube placement bin through a cavity connecting seat. The cavity connecting seat is hingedly installed on the lower edge of one side of the cigarette tube placement bin.

[0020] Furthermore, the cigarette tube pushing mechanism also includes a cigarette tube feeding slide rail and a cigarette tube feeding slider. The cigarette tube push rod is fixedly mounted on the cigarette tube feeding slider. The cigarette tube feeding slider can be slidably mounted on the cigarette tube feeding slide rail. The cigarette tube feeding slide rail is a linear slide rail.

[0021] Furthermore, the wire filling mechanism includes a left base, a right base and a hinge, the right base is fixedly mounted on the working platform through a base bracket, the left base and the right base are movably connected by a hinge, the hinge is arranged at the upper ends of the left base and the right base, the lower part of the opening and closing control plate is fixedly mounted on the outer side of the left base, and the upper end is suspended to form a lever, and after the left base and the right base are assembled, the lower end forms the forming cavity; the finished product ejection mechanism includes an ejection cylinder and a push plate, the ejection cylinder is fixedly mounted on the base bracket, the push plate is mounted on the piston rod of the ejection cylinder and the outer side of the opening and closing control plate, and is in the same straight line with the upper end of the opening and closing control plate but not connected, a buffer wheel is installed at the lower end of the push plate, and a finished product frame is provided below the wire filling mechanism.

[0022] Furthermore, the filling and discharging mechanism is also provided with a cutting device, which is arranged between the filling mechanism and the tobacco compacting mechanism, and includes a cutting cylinder and scissors. The cutting cylinder is a double-claw cylinder, and the cylinder body is fixedly mounted on the base bracket. The two blades of the scissors are close to one end of the forming cavity and are respectively mounted on the two claws of the cutting cylinder.

[0023] Furthermore, a tobacco receiving tray is provided below the weighing device. The tobacco receiving tray is drawer-type and connected to the tobacco collecting area. A residual material outlet is provided on the working platform below the cutting device, and the residual material outlet is directly opposite to the tobacco receiving tray.

[0024] Compared with the prior art, the present invention has the following beneficial effects:

[0025] 1. The present invention sets up an automatic tobacco feeding and weighing mechanism, and combines it with a turning mechanism to turn the weighed tobacco through the material tray and introduce it into the pressing bin. The tobacco is then pressed into a cylindrical shape by a compacting mechanism and pushed into the empty tobacco tube. The entire device is compact and realizes full automation of tobacco filling with high filling efficiency.

[0026] 2. The present invention ensures the accuracy of cigarette weight by weighing the tobacco before filling, effectively avoiding waste caused by excessive tobacco; at the same time, the tobacco is compacted before being pushed into the empty cigarette tube, which can greatly improve the uniformity of cigarette filling and also improve filling efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 It is a schematic diagram of the overall structure of the present invention.

[0028] Figure 2 It is a schematic diagram of the splitting of the present invention.

[0029] Figure 3 It is a structural diagram of the blanking device.

[0030] Figure 4 It is a structural diagram of the automatic tobacco feeding mechanism.

[0031] Figure 5 This is a schematic diagram of the automatic tobacco feeding mechanism from another angle.

[0032] Figure 6 It is the overall structure of the automatic weighing feeding mechanism and the tobacco compacting mechanism.

[0033] Figure 7 It is a structural diagram of the automatic weighing and feeding mechanism.

[0034] Figure 8 It is a disassembled schematic diagram of the automatic weighing and feeding mechanism.

[0035] Figure 9 It is a structural diagram of the tobacco compacting mechanism.

[0036] Figure 10 It is a disassembled schematic diagram of the tobacco compacting mechanism.

[0037] Figure 11 It is a cross-sectional schematic diagram of the tobacco compacting mechanism.

[0038] Figure 12 It is an overall schematic diagram of the filling and discharging mechanism.

[0039] Figure 13 This is a schematic diagram of the filling and discharging mechanism from another angle.

[0040] Figure 14 It is a disassembled schematic diagram of the filling and discharging mechanism.

[0041] In the figure, 1-frame, 11-upper cover, 12-working platform, 13-lower box, 111-tobacco adding area, 112-observation area, 113-tobacco tube insertion area, 114-control area, 115-tobacco collection area, 116-finished product collection area;

[0042] 2-automatic tobacco feeding mechanism, 21-blanking device, 22-blowing mechanism, 23-vibrating plate, 24-discharging chute, 211-blanking cylinder, 212-valve plug plate, 213-valve control cylinder, 214-base, 221-blowing elbow, 222-elbow mounting block, 223-elbow lifting mechanism;

[0043] 3- automatic weighing and feeding mechanism, 31- tray mechanism, 32- weighing device, 33- flipping device, 34- shaking device, 35- tobacco receiving tray, 311- tray, 312- bottom support, 313- bracket, 314- bracket mounting plate, 321- support protrusion, 322- support plate, 323- weighing sensor, 324- lower support, 325- weighing base, 326- vertical plate, 331- flip lifting module, 332- flip slider, 333- steering connection block, 334- rotating guide groove, 335- rotating shaft, 336- roller, 341- shaking cylinder, 342- tray mounting plate, 343- steering base, 344- bearing;

[0044] 4- tobacco compacting mechanism, 41- compacting lifting slide, 42- pressing plate, 43- pressing bin, 44- forming and feeding device, 411- compacting bracket, 412- compacting slider, 421- pressing plate connecting seat, 422- guide sleeve mounting plate, 423- guide sleeve, 424- upper concave arc groove, 431- left bin plate, 432- right bin plate, 433- arc bottom support, 434- oblique mouth, 435- guide block, 436- guide column, 441- forming sleeve moving slide, 442- tobacco forming sleeve, 443- forming sleeve mounting seat, 444- tobacco crimping groove;

[0045] 5-Filling and discharging mechanism, 51-Cigarette tube placement bin, 52-Cigarette tube pushing mechanism, 53-Wire filling mechanism, 54-Cutting device, 55-Finished product pushing mechanism, 56-Finished product frame, 511-Cigarette tube chamber, 512-Cigarette chamber connecting seat, 521-Cigarette tube feeding slide rail, 522-Cigarette tube feeding slider, 523-Cigarette tube pushing rod, 531-Left base, 532-Right base, 533-Hinge, 534-Molding cavity, 535-Base bracket, 536-Opening and closing control panel, 541-Cutting cylinder, 542-Scissors, 543-Residual material outlet, 551-Pushing cylinder, 552-Pushing plate, 553-Buffer wheel, 561-Discharging inclined plate;

[0046] 6-Control box. DETAILED DESCRIPTION

[0047] The present invention will be further described in detail below with reference to the examples, but the embodiments of the present invention are not limited thereto.

[0048] In the description of the present invention, it should be noted that the terms "center," "up," "down," "left," "right," "vertical," "horizontal," "inside," and "outside" and the like, indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings and are intended only to facilitate the description of the present invention and simplify the description. They do not indicate or imply that the devices or components referred to must have a specific orientation, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limitations on the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance. The terms "first position" and "second position" refer to two different positions.

[0049] like Figures 1 to 14 This is a preferred embodiment of the present invention, comprising a frame 1, which is provided with an upper cover 11, a working platform 12 and a lower box body 13. The upper end surface of the upper cover 11 is provided with a tobacco adding area 111, an observation area 112, a tobacco tube placing area 113 and a control area 114. The control area 114 is provided with a control panel and control buttons. The front end of the upper cover 11 is provided with a tobacco collecting area 115 and a finished product collecting area 116.

[0050] The working platform 12 is provided with an automatic tobacco feeding mechanism 2 , an automatic weighing and feeding mechanism 3 , a tobacco compacting mechanism 4 , a filling and discharging mechanism 5 and a control box 6 .

[0051] Further as Figures 3-5As shown, the automatic tobacco feeding mechanism 2 includes a blanking device 21, a blowing mechanism 22, a vibration plate 23 and a discharging chute 24. The blanking device 21 is fixedly arranged on the upper cover 11, and includes a blanking barrel 211, a valve plug plate 212 and a valve control cylinder 213. The blanking barrel 211 is a hollow cylinder that passes through from top to bottom and is provided with a base 214. The upper end of the cylinder is flat and fixedly mounted on the upper cover 11. The upper end of the hollow part is the tobacco adding area 111. The valve plug plate 212 can be plugged into the base 214 to form a movable valve at the hollow bottom of the blanking barrel 211; there are two valve control cylinders 213, which are arranged on the upper end surface of the base 214 and on both sides of the blanking barrel 211. The push rods of the two valve control cylinders 213 are connected to one side end of the valve plug plate 212 to control whether the valve plug plate 212 is opened or closed.

[0052] The vibration disk 23 is arranged directly below the blanking device 21. After the tobacco falls, it is dispersed by the vibration of the vibration disk 23 to prevent the tobacco from falling directly into piles and being difficult to separate. The vibration disk 23 is fixedly mounted on the working platform 12 and has a built-in vibration motor. A conveying track (not shown in the figure) is provided in the disk. The outlet of the conveying track is connected to a downward-sloping discharge chute 24. A blowing mechanism 22 is also provided above the vibration disk 23. The blowing mechanism 22 includes a blowing elbow 221, an elbow mounting block 222 and a elbow lifting mechanism 223. The elbow lifting mechanism 223 is fixedly mounted on the working platform 12. The elbow mounting block 222 can be slidably mounted on the elbow lifting mechanism 223. The blowing elbow 221 is fixedly clamped on the elbow mounting block 222. The lower end is arranged above the disk surface of the vibration disk 23, and the other end is connected to an external air pump. The tobacco is dispersed and easily delivered by blowing air, ensuring smooth feeding of the vibration disk 23. The elbow lifting mechanism 223 can adjust the height of the blowing elbow 221, indirectly adjusting the wind force.

[0053] The lower end of the discharge chute 24 is connected to the automatic weighing and feeding mechanism 3 , which includes a material tray mechanism 31 , a weighing device 32 , a turning device 33 and a material shaking device 34 .

[0054] Further as Figures 6-8 As shown, the material tray mechanism 31 includes a material tray 311, a base 312, a bracket 313 and a bracket mounting plate 314; the material tray 311 is in a concave arc shape, and the base 312 is fixedly mounted at the lower end, and the base 312 is arranged on the weighing device 32. There are two brackets 313, which are respectively arranged on both sides of the lower end of the material tray 311, one end is suspended in the air, and the other end is fixedly mounted on the bracket mounting plate 314. The bracket mounting plate 314 is vertically arranged and connected to the material shaking device 34.

[0055] The weighing device 32 is fixedly mounted on the work platform 12 and comprises a support protrusion 321, a support plate 322, a weighing sensor 323, a lower support 324, and a weighing base 325. The support protrusion 321 is a pair of raised cones, and the base 312 has two circular holes (not shown in the figure) formed therein. The support protrusion 321 cooperates with the circular holes to provide positioning. The support protrusion 321 is mounted on the support plate 322, below which is mounted a weighing sensor 323. One end of the weighing sensor 323 is suspended on the lower support 324, which is fixedly mounted on the weighing base 325. The weighing base 325 is an L-shaped block, the vertical surface of which is connected to a vertical plate 326 fixedly mounted on the work platform 12. A tobacco receiving tray 35 is provided below the weighing device 32, into which excess tobacco falls. The tobacco receiving tray 35 is a drawer-type tray connected to the tobacco collection area 115.

[0056] The flipping device 33 includes a flipping and lifting module 331, a flipping slider 332, a steering connection block 333, and a rotating guide groove 334. The flipping and lifting module 331 is vertically fixedly mounted on the work platform 12 via a bracket. The flipping slider 332 is slidably mounted on the flipping and lifting module 331. A rotating shaft 335 is provided on the vertical surface of the flipping slider 332 and is connected to the material shaking device 34. The material shaking device 34 includes a material shaking cylinder 341, a material tray mounting plate 342, and a steering base 343. The material tray mounting plate 342 is mounted on the piston rod end of the material shaking cylinder 341. The bracket mounting plate 314 is fixedly connected to the material tray mounting plate 342. The cylinder body of the material shaking cylinder 341 is fixedly mounted on the vertical surface of the steering base 343. The steering base 343 is rotatably connected to the rotating shaft 335 via a bearing 344. The steering connecting block 333 is L-shaped, with one side mounted on the upper end surface of the steering base 343, and the other end provided with a roller 336 embedded in the rotating guide groove 334. The rotating guide groove 334 is fixedly set on the side of the flipping and lifting module 331 close to the cigarette compacting mechanism 5. It is an L-shaped curved groove with an arc-shaped corner.

[0057] During operation, the flipping and lifting module 331 drives the flipping slider 332 to rise, and the flipping slider 332 drives the shaking device 34 and the material tray mechanism 31 to rise through the rotating shaft 335. When it reaches the corner, the flipping slider 332 continues to rise, and the steering connecting block 333 is guided by the rotating guide groove 334, and the horizontal side turns upward 90 degrees, driving the shaking device 34 and the material tray mechanism 31 to rotate 90 degrees around the rotating shaft 335, so that the material tray 311 changes from a horizontal state to a vertical state. Then, after the shaking cylinder 341 reciprocates for many times (in this embodiment, the shaking cylinder 341 is set to move 3 times), the tobacco loaded in the material tray 311 will fall into the tobacco compacting mechanism 4 for compaction.

[0058] Further as Figures 9-11As shown, the tobacco compacting mechanism 4 includes a compacting lifting slide 41, a pressing plate 42, a pressing bin 43, and a forming and feeding device 44. The compacting lifting slide 41 is fixedly mounted on the work platform 12 via a compacting bracket 411 with fences on three sides (all sides are fenced except for the side facing the automatic weighing and feeding mechanism 3). A compacting slider 412 is slidably mounted on the slide rail of the compacting lifting slide 41. The upper end of the pressing plate 42 is fixedly mounted on the compacting slider 412 via a pressing plate connecting seat 421. A guide sleeve mounting plate 422 is provided above the pressing plate connecting seat 421, and a guide sleeve 423 is mounted on the guide sleeve mounting plate 422.

[0059] The lower end of the pressing plate 42 can be inserted into the pressing bin 43. The pressing bin 43 consists of a left bin plate 431 and a right bin plate 432. The front and rear ends are fixedly mounted on the compacting bracket 411. The inner bottom surfaces of the left and right bin plates 431 and 432 are provided with arcs, forming an arc-shaped base support 433 after installation. The upper part of the right bin plate 432 is provided with an oblique opening 434. After the material tray 311 is turned over, it is located above the oblique opening 434. After the shaking cylinder 341 is activated, the tobacco falls through the oblique opening 434. The front and rear fences of the compacting bracket 411 have through holes corresponding to the positions of the arc-shaped base support 433. A guide block 435 is provided at the front end. The guide block 435 is provided with a through-slot tube that communicates with the arc-shaped base support 433. A guide post 436 is provided on the upper end surface of the guide block 435 . The guide post 436 cooperates with the guide sleeve 423 . After the pressing block 42 is pressed downward, the guide post 436 is inserted into the guide sleeve 423 .

[0060] A forming and feeding device 44 is provided on the rear side of the pressing bin 43. The forming and feeding device 44 includes a forming sleeve movable slide 441, a tobacco forming sleeve 442 and a forming sleeve mounting seat 443. The forming sleeve mounting seat 443 can be slidably mounted on the slider of the forming sleeve movable slide 441. The tobacco forming sleeve 442 is fixedly mounted on the forming sleeve mounting seat 443. A concave tobacco crimping groove 444 is provided on the upper front section of the tobacco forming sleeve 442. The tobacco forming sleeve 442 passes through the through hole of the rear panel of the compacting bracket 411, and then extends into the through slot tube of the guide block 435. It is mounted above the arc-shaped bottom support 433. The length of the tobacco crimping groove 444 is greater than the length of the pressing plate 42. After the material tray 311 is flipped over, the tobacco falls into the tobacco crimping groove 444. The lower end of the pressing plate 42 is provided with an upwardly concave arcuate groove 424, which mates with the tobacco pressing groove 444. When pressed downward, the grooves 424 are combined to form a cylindrical shape, pressing the tobacco that falls into the tobacco pressing groove 444 into a column. After the tobacco is compacted, the shaping sleeve movable slide 441 drives the tobacco shaping sleeve 442 forward to the filling and discharging mechanism 5 at the front end of the tobacco compacting mechanism 4 for tobacco filling.

[0061] Further as Figures 12-14 As shown, the filling and discharging mechanism 5 includes a cigarette tube placement bin 51 , a cigarette tube pushing mechanism 52 , a wire filling mechanism 53 , a cutting device 54 and a finished product pushing mechanism 55 .

[0062] The tobacco tube storage bin 51 is fixedly mounted on the work platform 12, directly below the tobacco tube insertion area 113. Empty tobacco tubes are inserted from the tobacco tube insertion area 113 and neatly stacked within the bin 51, with one end of the filter tips of the tobacco tubes away from the tobacco compacting mechanism 4. A tobacco tube cavity 511 is located at the lower end of the bin 51. This cavity 511 is a semicircular groove with front and rear openings. It is mounted at the lower end of the bin 51 via a cavity connector 512, which is hingedly mounted to the lower edge of the bin 51. Only one empty tobacco tube can be placed in the cavity 511 at a time.

[0063] The cigarette tube pushing mechanism 52 is located outside the front end of the cigarette tube storage compartment 51 and includes a cigarette tube feeding rail 521, a cigarette tube feeding block 522, and a cigarette tube push rod 523. The cigarette tube push rod 523 is fixedly mounted on the cigarette tube feeding block 522, which is slidably mounted on the cigarette tube feeding rail 521. The cigarette tube feeding rail 521 is a linear slide. When the cigarette tube feeding rail 521 is installed, the cigarette tube push rod 523 is aligned with the cigarette tube cavity 511. When the cigarette tube feeding rail 521 is activated, the cigarette tube push rod 523 is inserted into the cigarette tube cavity 511, pushing out the empty cigarette tube inside.

[0064] The filling mechanism 53 is arranged between the tobacco compacting mechanism 4 and the tobacco tube placement bin 51, and includes a left base 531, a right base 532 and a hinge 533. The right base 532 is fixedly mounted on the work platform 12 through a base bracket 535. The left base 531 and the right base 532 are movably connected by a hinge 533. The hinge 533 is arranged at the upper ends of the left base 531 and the right base 532. An opening and closing control panel 536 is provided on the outer side of the left base 531. The lower end of the opening and closing control panel 536 is fixed and the upper end is suspended to form a lever. By applying a rightward force to the upper end of the opening and closing control panel 536, the left base 531 can be moved around the upper end splicing line (that is, the hinge center line of the hinge 533), and the lower ends of the left base 531 and the right base 532 are separated to form an opening. After the left base 531 and the right base 532 are assembled, a forming cavity 534 is formed at the lower end. The forming cavity 534 is connected to the cigarette tube cavity 511 and the tobacco crimping groove 444. The cigarette tube push rod 523 pushes the empty cigarette tube into the forming cavity 534. The tobacco forming sleeve 442 drives the compacted tobacco column into the empty cigarette tube in the forming cavity 534. Then the tobacco forming sleeve 442 withdraws from the empty cigarette tube, completing the tobacco filling operation. In this embodiment, the cigarette tube cavity 511 and the right base 532 are integrally formed, which can ensure that the empty cigarette tube can be smoothly pushed into the forming cavity 534; at the same time, the diameter of the tobacco forming sleeve 442 is smaller than the diameter of the empty cigarette tube, and the two edges of the upper end of the tobacco crimping groove 444 are serrated, and the tooth tips are inclined forward toward the direction of tobacco pushing out, so that when the tobacco forming sleeve 442 moves forward, it will hook the tobacco column and move together, and when the tobacco forming sleeve 442 withdraws, the serrations will face the opposite direction of movement and will not take away the tobacco; the compacted tobacco column will slowly expand after entering the empty cigarette tube, slowly filling the entire cigarette tube, which can greatly improve the filling uniformity.

[0065] The cutting device 54 is located between the tobacco filling mechanism 53 and the tobacco compacting mechanism 4 and includes a cutting cylinder 541 and a pair of scissors 542. The cutting cylinder 541 is a double-claw cylinder, fixedly mounted on the base bracket 535. The two blades of the scissors 542 are located near one end of the forming cavity 534 and are mounted on the two claws of the cutting cylinder 541. The opening and closing of the scissors 542 are controlled by the cutting cylinder 541. In the initial state, the scissors 542 remain open. After the tobacco column is pushed into the empty cigarette tube, the cutting cylinder 541 drives the scissors 542 to close, removing excess tobacco to ensure consistent cigarette length. A residual material outlet 543 is provided on the working platform 12 below the cutting device 54. The residual material outlet 543 faces the tobacco receiving tray 35, and the cut tobacco falls into the tobacco receiving tray 35 through the residual material outlet 543.

[0066] The cut cigarettes are ejected through the finished product ejection mechanism 55, which comprises an ejection cylinder 551 and a push plate 552. The ejection cylinder 551 is fixedly mounted on the base bracket 535, while the push plate 552 is mounted on the piston rod of the ejection cylinder 551. The push plate 552 is positioned outside the opening and closing control plate 536, aligned with, but not connected to, the upper end of the opening and closing control plate 536. During the thread filling operation, the ejection cylinder 551 remains in the ejection state. After the cutting is completed, the ejection cylinder 551 is actuated, and the piston rod drives the push plate 552 to retract. The push plate 552 contacts the opening and closing control plate 536, and the push plate 552 continues to retract. The opening and closing control plate 536 then opens the lower end of the left base 531, allowing the cigarettes to fall out. To prevent the push plate 552 from damaging the opening and closing control plate 536 over a long period of time, a buffer wheel 553 made of a soft material such as rubber or plastic is provided at its lower end. A finished product frame 56 is provided below the filler mechanism 53, into which the cigarettes fall after being dropped. To prevent the finished product frame 56 from interfering with the cigarette tube feed slide 521 during installation, a discharge ramp 561 is provided above the finished product frame 56. The upper end of the discharge ramp 561 is positioned below the forming cavity 534, and the lower end engages the finished product frame 56. After the finished cigarettes fall from the forming cavity 534, they slide through the discharge ramp 561 into the finished product frame 56.

[0067] A control system (not shown in the figure) is provided in the control box 6. The motor and weighing sensor 323 of the vibration plate 23 are connected to the control system. The flipping and lifting module 331, the compacting and lifting slide 41, the forming sleeve moving slide 441 and the smoke pipe feeding slide 521 all have their own power sources and are connected to the control system. The valve control cylinder 213, the bending pipe lifting mechanism 223, the shaking cylinder 341, the cutting cylinder 541 and the pushing cylinder 551 are all connected to the control system through the electromagnetic valve group (not shown in the figure).

[0068] The specific working steps of the present invention for automatic tobacco filling are as follows:

[0069] 1. Put the tobacco into the tobacco adding area 111 and let it fall into the vibrating plate 23 through the dropping device 21;

[0070] 2. The vibration motor starts, and the tobacco falls into the material tray 311 through the discharge chute 24. The weighing device 32 weighs the tobacco. When the weight of the tobacco reaches the required weight for the cigarette, the vibration tray 23 stops feeding.

[0071] 3. The flipping and lifting module 331 drives the material shaking device 34 and the material tray mechanism 31 to rise. After reaching the corner of the rotating guide groove 334, the material shaking device 34 and the material tray mechanism 31 rotate 90 degrees around the rotating shaft 335, and the material tray 311 changes from a horizontal state to a vertical state. The material shaking cylinder 341 reciprocates three times to shake the tobacco into the tobacco compacting mechanism 4 for compaction;

[0072] 4. The tobacco shreds fall through the oblique opening 434 into the tobacco pressing groove 444 of the tobacco shaping sleeve 442 in the pressing bin 43. The pressing lifting slide 41 drives the pressing plate 42 downward to press the tobacco shreds into a cylindrical shape.

[0073] 5. Empty cigarette tubes are placed from the cigarette tube placement area 113 into the cigarette tube placement bin 51. The bottom empty cigarette tube falls into the cigarette tube cavity 511. The cigarette tube feeding slide 521 is activated, and the cigarette tube push rod 523 pushes the empty cigarette tube from the cigarette tube cavity 511 into the forming cavity 534. The cigarette tube feeding slide 521 then stops.

[0074] 6. The shaping sleeve movable slide 441 moves, driving the tobacco shaping sleeve 442 to push the compacted tobacco out of the through hole of the guide block 435 until it is pushed into the empty tobacco tube placed in the shaping cavity 534; then the shaping sleeve movable slide 441 drives the tobacco shaping sleeve 442 to retract into the arc-shaped base 433;

[0075] 7. The cutting cylinder 541 is actuated, driving the scissors 542 to cut off the excess tobacco;

[0076] 8. The push cylinder 551 is actuated to drive the push plate 552 to retract. The push plate 552 drives the upper part of the opening and closing control plate 536 to retract, so that the lower part of the opening and closing control plate 536 drives the lower end of the left base 531 to open in the opposite direction, and the filled tobacco can fall out.

[0077] By adopting the automatic tobacco filling machine of the present invention, the whole process from weighing tobacco to sending out the finished product after filling can be completed automatically, avoiding secondary pollution of tobacco caused by manual operation; the tobacco is accurately weighed and then compacted into a cylindrical shape, which can ensure the uniformity of the tobacco after filling. At the same time, the cylindrical tobacco can be quickly filled into the empty tobacco tube, greatly improving the filling efficiency; and the compacted cylindrical tobacco is not easy to fall off during filling, effectively avoiding tobacco waste and further ensuring the accuracy of tobacco weight.

[0078] The above description is merely a preferred embodiment of the present invention and does not limit the technical scope of the present invention. Therefore, any minor modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention still fall within the scope of protection of the present invention.

Claims

1. A tobacco automatic filling machine, characterized in that: include: The frame is provided with a working platform; the working platform is provided with an automatic tobacco feeding mechanism; An automatic weighing and feeding mechanism is installed on the working platform and includes a feed tray mechanism, a weighing device, a turning device, and a material shaking device; the feed tray mechanism is provided with a feed tray docking with the tobacco automatic feeding mechanism, the weighing device is arranged below the feed tray mechanism, the feed tray mechanism is mounted on the material shaking device, and the material shaking device is mounted on the turning device; after the weighing device performs weighing, the turning device drives the feed tray mechanism and the material shaking device to move upward and turn 90 degrees; The top end of the pressing plate is fixedly mounted on the working platform, and the bottom end of the pressing plate is fixedly mounted on the working platform, and the bottom end of the pressing plate is fixedly mounted on the working platform, and the bottom end of the pressing plate is fixedly mounted on the working platform. The filling and discharging mechanism is arranged at the front end of the tobacco compacting mechanism, and includes a tobacco tube placement bin, a tobacco tube pushing mechanism, a tobacco filling mechanism and a finished product pushing mechanism; empty tobacco tubes are placed in the tobacco tube placement bin, and the tobacco tube pushing mechanism is arranged on the outside of the front end of the tobacco tube placement bin, and is provided with a tobacco tube push rod inserted into the inner bottom of the tobacco tube placement bin; the tobacco filling mechanism is arranged between the tobacco compacting mechanism and the tobacco tube placement bin, and is provided with a forming cavity at the lower end; the tobacco tube push rod pushes the empty tobacco tube into the forming cavity, and the tobacco forming sleeve pushes the compacted tobacco column into the empty tobacco tube; the tobacco filling mechanism is hinged at the upper end and expandable at the lower end; a lever-type opening and closing control panel is provided on the side of the tobacco filling mechanism; the finished product pushing mechanism pushes the opening and closing control panel to control the opening or closing of the lower end of the tobacco filling mechanism.

2. The automatic tobacco filling machine according to claim 1, characterized in that: The frame is also provided with an upper cover and a lower box body. The upper end surface of the upper cover is provided with a tobacco adding area, an observation area, a tobacco tube insertion area and a control area. The control area is provided with a control panel and control buttons. The front end of the upper cover is provided with a tobacco collecting area and a finished product collecting area.

3. The automatic tobacco filling machine according to claim 2, characterized in that: The automatic tobacco feeding mechanism comprises The blanking device is fixedly arranged on the upper cover, and includes a blanking barrel, a valve plug-in plate and a valve control cylinder. The blanking barrel is a hollow cylinder that passes through from top to bottom and is provided with a base. The upper end is fixedly mounted on the upper cover. The valve plug-in plate can be plugged into the base. There are two valve control cylinders, which are respectively arranged on the upper end surface of the base and on both sides of the blanking barrel. The top rods of the two valve control cylinders are connected to one end of the valve plug-in plate to control the opening or closing of the valve plug-in plate. A vibration plate is arranged directly below the blanking device, a conveying track is provided in the vibration plate, and a downward-sloping discharge chute is connected to the outlet of the conveying track; The blowing mechanism is arranged above the vibration disk and includes a blowing elbow, a elbow mounting block and a elbow lifting mechanism. The elbow lifting mechanism is fixedly mounted on the working platform, and the elbow mounting block can be slidably mounted on the elbow lifting mechanism. The blowing elbow is fixedly clamped on the elbow mounting block, with the lower end arranged above the vibration disk surface and the other end connected to an external air pump.

4. The automatic tobacco filling machine according to claim 3, characterized in that: The tray mechanism further includes a bottom support, a bracket and a bracket mounting plate; the tray is in a concave arc shape, with the bottom support fixedly mounted on the lower end, the bottom support being arranged on the weighing device, and the bracket having two ends, which are respectively arranged on both sides of the lower end of the tray, one end of which is suspended in the air and the other end of which is fixedly mounted on the bracket mounting plate, the bracket mounting plate being arranged vertically and connected to the material shaking device; The weighing device is provided with a supporting protrusion, a supporting plate, a weighing sensor, a lower support and a weighing base; the supporting protrusion is two raised cones, and two circular holes are provided on the bottom bracket to cooperate with the supporting protrusion; the supporting protrusion is mounted on the supporting plate, and a weighing sensor is mounted below the supporting plate, and one end of the weighing sensor is suspended and mounted on the lower support, and the lower support is fixedly mounted on the weighing base, and the weighing base is an L-block, the vertical surface of which is connected to a vertical plate, and the vertical plate is fixedly mounted on the working platform; The turning device includes a turning and lifting module, a turning slider, a steering connecting block and a rotating guide slot, the turning and lifting module is vertically arranged and fixed on the working platform through a bracket, the turning slider is slidably mounted on the turning and lifting module, and a rotating shaft is provided on the vertical surface of the turning slider and is connected to the material shaking device; the material shaking device includes a material shaking cylinder, a material tray mounting plate and a steering base, the material tray mounting plate is mounted on the piston rod end of the material shaking cylinder and is fixedly connected to the bracket mounting plate, the cylinder body of the material shaking cylinder is fixedly mounted on the vertical surface of the steering base, and the steering base is rotatably connected to the rotating shaft through a bearing; the steering connecting block is L-shaped, one side is mounted on the upper end surface of the steering base, and the end of the other side is provided with a roller embedded in the rotating guide slot, and the rotating guide slot is fixedly arranged on one side of the turning and lifting module, is an L-shaped curved groove, and the corner is arc-shaped.

5. The automatic tobacco filling machine according to claim 1, characterized in that: The pressing bin is composed of a left bin plate and a right bin plate, and the front and rear ends of the pressing bin are respectively fixedly mounted on the bracket, and the inner bottom surfaces of the left bin plate and the right bin plate are provided with an arc, which form an arc-shaped bottom support after installation; the upper part of the right bin plate is provided with an oblique opening, and after the material tray is flipped over, it is located above the oblique opening; a guide sleeve mounting plate is provided above the pressing plate connecting seat, and a guide sleeve is installed on the guide sleeve mounting plate, and a guide block is provided at the front end of the bracket, and the guide block is provided with a through slot tube communicating with the arc-shaped bottom support, and the tobacco forming sleeve extends into the through slot tube of the guide block and is erected above the arc-shaped bottom support, the diameter of the tobacco forming sleeve is smaller than the diameter of the empty cigarette tube, and the two edges of the upper end of the tobacco crimping groove are serrated, and the tooth tips are inclined forward toward the direction of tobacco pushing out; the upper end face of the guide block is provided with a guide column, and the guide column cooperates with the guide sleeve.

6. The automatic tobacco filling machine according to claim 1, characterized in that: A cigarette tube cavity is provided at the lower end of the cigarette tube placement bin. The cigarette tube cavity is a semicircular groove with openings at both ends. It is installed at the lower end of the cigarette tube placement bin through a cavity connecting seat. The cavity connecting seat is hingedly installed on the lower edge of one side of the cigarette tube placement bin.

7. The automatic tobacco filling machine according to claim 6, characterized in that: The cigarette tube pushing mechanism also includes a cigarette tube feeding slide rail and a cigarette tube feeding slider. The cigarette tube push rod is fixedly mounted on the cigarette tube feeding slider. The cigarette tube feeding slider can be slidably mounted on the cigarette tube feeding slide rail. The cigarette tube feeding slide rail is a linear slide rail.

8. The automatic tobacco filling machine according to claim 3, characterized in that: The wire filling mechanism includes a left base, a right base and a hinge, the right base is fixedly mounted on the working platform through a base bracket, the left base and the right base are movably connected by a hinge, the hinge is arranged at the upper ends of the left base and the right base, the lower part of the opening and closing control plate is fixedly mounted on the outer side of the left base, and the upper end is suspended to form a lever, and after the left base and the right base are assembled, the lower end forms the forming cavity; the finished product ejection mechanism includes an ejection cylinder and a push plate, the ejection cylinder is fixedly mounted on the base bracket, the push plate is mounted on the piston rod of the ejection cylinder and the outer side of the opening and closing control plate, and is in the same straight line with the upper end of the opening and closing control plate but not connected, a buffer wheel is installed at the lower end of the push plate, and a finished product frame is provided below the wire filling mechanism.

9. The automatic tobacco filling machine according to claim 8, characterized in that: The filling and discharging mechanism is also provided with a cutting device, which is arranged between the filling mechanism and the tobacco compacting mechanism, and includes a cutting cylinder and scissors. The cutting cylinder is a double-claw cylinder, and the cylinder body is fixedly mounted on the base bracket. The two blades of the scissors are close to one end of the forming cavity and are respectively mounted on the two claws of the cutting cylinder.

10. The automatic tobacco filling machine according to claim 9, characterized in that: A tobacco receiving tray is provided below the weighing device. The tobacco receiving tray is drawer-type and connected to the tobacco collecting area. A residual material outlet is provided on the working platform below the cutting device, and the residual material outlet is directly opposite to the tobacco receiving tray.

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