Cigarette cross section perimeter detection device

Abstract

The utility model relates to the technical field of cigarette detection, and discloses a cigarette cross section perimeter detection device which comprises a sample introduction mechanism for inputting cigarettes to be detected, a material uniformizing mechanism for controlling the cigarettes to be discharged from the sample introduction mechanism, a rotating mechanism for rotating the cigarettes, and a laser diameter measuring mechanism for detecting the circumferences of the cigarettes, the sample feeding mechanism comprises a cigarette groove which is used for containing cigarettes to be detected and is obliquely arranged, a discharging opening is formed in the bottom end of the cigarette groove, a material guide plate is obliquely arranged at the end, at the discharging opening, of the cigarette groove, and the rotating mechanism is located at the tail end of the material guide plate; one end of the cigarette protrudes out of the rotating mechanism, and the laser diameter measuring mechanisms are located at the end, protruding out of the rotating mechanism, of the cigarette and distributed on the two sides of the cigarette. The problem that the cigarette circumference detection efficiency is low in the prior art is solved.

Description

Technical Field

[0001] This utility model relates to the field of cigarette detection technology, and in particular to a device for detecting the perimeter of a cigarette cross section. Background Technology

[0002] The circumference of a cigarette is a crucial technical indicator. Besides determining the product's aesthetic appearance, it indirectly affects the draw resistance, ventilation, and other aspects of the smoking experience. Therefore, during cigarette production, it is necessary to monitor and control fluctuations in the circumference to ensure it remains within a reasonable range.

[0003] A Chinese invention patent with patent application number 202311610323.8 discloses a multi-point cigarette circumference detection device. Its main solution involves a drive mechanism connected to multiple robotic grippers within a transmission box, providing the necessary power for the robotic grippers to synchronously rotate multiple cigarettes. Multiple detectors are mounted on a base plate, and the robotic grippers hold and fix the cigarettes to be tested. The drive mechanism rotates the robotic grippers and the cigarettes together for one revolution, allowing the detection device to measure their circumference. However, this device requires operators to place cigarettes one by one into the detection device, resulting in low efficiency. Utility Model Content

[0004] The purpose of this invention is to provide a device for detecting the perimeter of a cigarette cross section, so as to solve the problem of low efficiency in the detection of cigarette circumference in the prior art.

[0005] This utility model solves the above-mentioned technical problems through the following technical means: a cigarette cross-sectional perimeter detection device, including a sample feeding mechanism for inputting the cigarette to be tested, a uniform feeding mechanism for controlling the cigarette to be discharged from the sample feeding mechanism, a rotating mechanism for rotating the cigarette, and a laser diameter measuring mechanism for detecting the circumference of the cigarette.

[0006] The sample feeding mechanism includes a cigarette trough for holding the cigarettes to be tested and is inclined. The bottom end of the cigarette trough is provided with a discharge port. A guide plate is inclinedly provided at one end of the cigarette trough at the discharge port. The rotating mechanism is located at the end of the guide plate.

[0007] One end of the cigarette stick protrudes outside the rotating mechanism, and the laser diameter measuring mechanism is located at the end of the cigarette stick that protrudes outside the rotating mechanism and is distributed on both sides of the cigarette stick;

[0008] The material leveling mechanism includes a U-shaped plate, the middle of which is rotatably mounted on the outer wall of the material trough. The opening of the U-shaped plate faces the discharge port. The length of the upper wing of the U-shaped plate is greater than the length of the lower wing. A first transverse extension plate is provided at the free end of the upper wing, and a second transverse extension plate is provided at the free end of the lower wing. Both the first and second transverse extension plates are parallel to the axis of the cigarette to be inspected. A first baffle is provided at the bottom of the first transverse extension plate, and a second baffle is provided at the top of the second transverse extension plate.

[0009] Furthermore, the cigarette at the lowest end of the cigarette holder is located in the space between the two baffles, and the bottom wall of the cigarette holder has a through groove for the second baffle to pass through; it also includes a driving assembly, which is used to drive the U-shaped plate to swing up and down, so that the two baffles alternately block the cigarette.

[0010] Furthermore, the drive assembly includes a first motor, a rotating shaft, and a cam. One end of the rotating shaft is fixedly connected to the output end of the first motor, and the cam is fixedly sleeved on the rotating shaft. The edge of the cam contacts the bottom of the lower wing plate of the U-shaped frame.

[0011] Furthermore, the rotating mechanism includes two mounting plates located on both sides of the guide plate, two rotating rollers arranged side by side in the horizontal direction between the two mounting plates, and a second motor for driving the two rotating rollers to rotate. The cigarette to be inspected is supported on the rotating rollers, and the length of the cigarette to be inspected is greater than the length of the rotating rollers.

[0012] Furthermore, a pressing cylinder is provided above the rotating roller, and a pressing roller is provided at the telescopic end of the pressing cylinder.

[0013] Furthermore, an arc-shaped baffle is provided on the side of the mounting plate away from the guide plate.

[0014] Furthermore, the detection device also includes a unloading mechanism, which includes an unloading cylinder and a push plate. The axis of the unloading cylinder is collinear with the axis of the cigarette to be inspected located on the rotating roller. The push plate is fixedly installed at the telescopic end of the unloading cylinder and is used to push the cigarette to be inspected.

[0015] Furthermore, the detection device also includes a material collection mechanism, which is located at the end of the rotating roller away from the unloading mechanism. The material collection mechanism includes a collection box, and the collection box is provided with a guide chute below the cigarette to be inspected.

[0016] Furthermore, a hopper is provided above the end of the flue away from the discharge port, and a conveying channel is provided vertically between the flue and the hopper.

[0017] The beneficial effects of this utility model are as follows:

[0018] This application utilizes an inclined tobacco trough, allowing workers to place multiple cigarettes within it at once. A material distribution mechanism controls the release of one cigarette at a time, which rolls down onto a rotating mechanism via a guide plate. The rotating mechanism causes the cigarette to rotate once, and a laser diameter measuring mechanism measures the circumference of the cigarette to be inspected. The cigarette is then removed, and the material distribution mechanism releases another cigarette, which rolls down onto the rotating mechanism, allowing the above inspection operation to be repeated. This results in higher efficiency for cigarette circumference inspection. Attached Figure Description

[0019] This utility model can be further illustrated by the non-limiting embodiments given in the accompanying drawings;

[0020] Figure 1 This is a schematic diagram of the structure of a cigarette cross-section perimeter detection device according to the present invention.

[0021] Figure 2 yes Figure 1 A magnified structural diagram of point A in the middle.

[0022] Figure 3 This is a three-dimensional structural diagram of a cigarette cross-sectional perimeter detection device according to the present invention.

[0023] Figure 4 yes Figure 3 A structural diagram from another perspective.

[0024] Figure 5 yes Figure 4 A magnified structural diagram at point B in the middle.

[0025] Figure 6 This is a partial structural schematic diagram of a cigarette cross-sectional perimeter detection device according to the present invention.

[0026] Figure 7 yes Figure 6 A magnified structural diagram at point C.

[0027] Figure 8 This is a schematic diagram of the collection box in a cigarette cross-sectional perimeter detection device of this utility model.

[0028] In the above attached figures: 1. Feeding hopper; 2. Smoke trough; 3. Conveying channel; 4. U-shaped plate; 5. First transverse extension plate; 6. Second transverse extension plate; 7. First baffle; 8. Second baffle; 9. Through groove; 10. Cigarette; 11. Cam; 12. Rotating shaft; 13. First motor; 14. Discharge port; 15. Guide plate; 16. Arc-shaped baffle; 17. Rotating roller; 18. Mounting plate; 19. Pressing cylinder; 20. Fixing plate; 21. Pressing roller; 22. Second motor; 23. Unloading cylinder; 24. Push plate; 25. Laser diameter measuring module; 26. Guide chute; 27. Collection box. Detailed Implementation

[0029] The following specific embodiments illustrate the implementation of this utility model. Those skilled in the art can understand the advantages and effects of this utility model from the content disclosed in this specification. It should be noted that the illustrations provided in the following embodiments are for illustrative purposes only and represent schematic diagrams, not actual pictures. They should not be construed as limiting the utility model. To better illustrate the embodiments of this utility model, some components in the figures may be omitted, enlarged, or reduced, and do not represent the actual product dimensions. It is understandable for those skilled in the art that some well-known mechanisms and their descriptions may be omitted in the figures.

[0030] In the figures of this utility model embodiment, the same or similar reference numerals correspond to the same or similar components. In the description of this utility model, it should be understood that if terms such as "upper", "lower", "left", "right", "front", "rear", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the figure, they are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or component referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, the terms used to describe positional relationships in the figures are only for illustrative purposes and should not be construed as limiting this utility model. For those skilled in the art, the specific meaning of the above terms can be understood according to the specific circumstances. In the description of this application, terms such as "first", "second", etc. are only used to distinguish descriptions and should not be construed as indicating or implying relative importance.

[0031] like Figure 1-8As shown, this utility model embodiment proposes a cigarette cross-sectional perimeter detection device, which includes a sample feeding mechanism for inputting the cigarette 10 to be inspected, a material equalization mechanism for controlling the cigarette 10 to be discharged from the sample feeding mechanism, a rotation mechanism for rotating the cigarette 10, and a laser diameter measuring mechanism for detecting the circumference of the cigarette 10. The sample feeding mechanism includes a cigarette trough 2 for holding the cigarette 10 to be inspected and is inclined. The cigarette trough 2 has a discharge port 14 at its lower end. A hopper 1 is provided above the end of the cigarette trough 2 away from the discharge port 14. The cross-section of the hopper 1 is a cone shape with a larger upper part and a smaller lower part, which facilitates the stacking of the cigarette 10 to be inspected by the staff. A conveying channel 3 is provided vertically between the cigarette trough 2 and the hopper 1. The conveying channel 3 can only allow one cigarette 10 to pass through the hopper 1. A guide plate 15 is inclinedly provided at the discharge port 14 end of the cigarette trough 2. The rotation mechanism is located at the end of the guide plate 15. The cigarette 10 can roll from the discharge port 14 of the cigarette trough 2 onto the rotation mechanism for inspection through the guide plate 15. One end of the cigarette 10 protrudes from the rotating mechanism. The laser diameter measuring mechanism includes two laser diameter measuring modules 25, which are located at the end of the cigarette 10 that protrudes from the rotating mechanism and are distributed on both sides of the cigarette 10. It also includes a controller. The laser diameter measuring modules and the rotating mechanism are electrically connected to the controller. In this embodiment, the laser diameter measuring module 25 transmits the measured data to the controller. The controller calculates the circumference of the cigarette 10 based on the received measurement data according to the set algorithm and displays it on the display screen. For detailed steps, please refer to Chinese invention patent with patent publication number CN117433428A.

[0032] The material leveling mechanism includes a U-shaped plate 4, the middle of which is rotatably mounted on the outer wall of the material trough. The opening of the U-shaped plate 4 faces the discharge port 14. The length of the upper wing of the U-shaped plate 4 is greater than the length of the lower wing. A first transverse extension plate 5 is provided at the free end of the upper wing of the U-shaped plate 4, and a second transverse extension plate 6 is provided at the free end of the lower wing. Both the first transverse extension plate 5 and the second transverse extension plate 6 are parallel to the axis of the cigarette stick 10 to be inspected (i.e., the width direction of the tobacco trough 2). A first baffle 7 is provided at the bottom of the first transverse extension plate 5, and a second baffle 8 is provided at the top of the second transverse extension plate 6. The cigarette stick 10 at the bottom of the tobacco trough 2 is located in the space between the two baffles. A through groove 9 is provided on the bottom wall of the tobacco trough 2 for the second baffle 8 to pass through. The material leveling mechanism also includes a driving assembly, which is used to drive the U-shaped plate 4 to swing up and down, so that the two baffles alternately block the cigarette stick 10. In this embodiment, there are two first baffles 7 and two baffles 8, which are distributed at intervals.

[0033] The drive assembly includes a first motor 13, a rotating shaft 12, and a cam 11. One end of the rotating shaft 12 is fixedly connected to the output end of the first motor 13. The cam 11 is fixedly sleeved on the rotating shaft 12, and the edge of the cam 11 contacts the bottom of the lower wing plate of the U-shaped frame.

[0034] In this embodiment, the first motor 13 rotates, driving the rotating shaft 12 and cam 11 to rotate. Cam 11 causes the U-shaped plate 4 to swing. When the U-shaped plate 4 swings upward, the first stop 7 lifts up and no longer blocks the cigarette 10. The cigarette 10 to be inspected between the first stop 7 and the second stop 8 is released and rolls down onto the rotating mechanism through the guide plate 15 under its own gravity. The second stop 8 lifts up, passes through the through groove 9, and blocks the remaining cigarette 10. Cam 11 continues to rotate, and the U-shaped plate 4 swings downward under its own gravity. The second stop 8 moves down, passes through the through groove 9, and moves to the bottom outside of the cigarette trough 2. The blocking effect of the second stop 8 on the cigarette 10 in the cigarette trough 2 disappears. The first stop 7 rotates and moves downward. The cigarette 10 in the cigarette trough 2 rolls down in sequence and is blocked by the first stop 7 again. With this structural design, each rotation of the cam 11 releases a cigarette 10 to be inspected from the discharge port 14 in the tobacco trough 2. The structure is simple, the control is precise, the human intervention is minimal, and the degree of automation is high.

[0035] The rotating mechanism includes two mounting plates 18 located on both sides of the guide plate 15. Two rotating rollers 17 are arranged side by side in the horizontal direction between the two mounting plates 18, and a second motor 22 is used to drive the two rotating rollers 17 to rotate. The cigarette stick 10 to be inspected rolls down from the cigarette trough 2 and is supported on the two rotating rollers 17. The length of the cigarette stick 10 to be inspected is greater than the length of the rotating roller 17. In this embodiment, one end of the cigarette stick 10 to be inspected is aligned with one end of the rotating roller 17, and the other end protrudes from the rotating roller 17. Two laser diameter measuring modules 25 are located on both sides of the end of the cigarette stick 10 that protrudes from the rotating roller 17.

[0036] A pressing cylinder 19 is provided above the rotating roller 17. A fixing plate 20 is fixedly provided at the telescopic end of the pressing cylinder 19. A pressing roller 21 is rotatably mounted on the fixing plate 20. The pressing roller 21 has the same length as the rotating roller 17 and their axes are parallel. By extending and retracting the pressing cylinder 19, the pressing roller 21 can be pressed or released on the upper surface of the cigarette stick 10 to be inspected.

[0037] In the above embodiment, the pressing cylinder 19 extends, so that the pressing roller 21 abuts against the top of the cigarette stick 10 to be inspected on the rotating roller 17. The two second motors 22 drive the two rotating rollers 17 to rotate simultaneously, and the two rotating rollers 17 rotate in the same direction, thereby driving the cigarette stick 10 to rotate.

[0038] An arc-shaped baffle 16 is provided on the side of the mounting plate 18 away from the guide plate 15. The arc-shaped baffle 16 positions the cigarette sticks 10 released from the discharge port 14 of the smoke trough 2, while preventing them from rolling out of the rotating roller 17.

[0039] The testing device also includes a unloading mechanism, which includes an unloading cylinder 23 and a push plate 24. The axis of the unloading cylinder 23 is collinear with the axis of the cigarette stick 10 to be tested located on the rotating roller 17. The push plate 24 is fixedly installed at the telescopic end of the unloading cylinder 23 and is used to push the cigarette stick 10 to be tested.

[0040] The testing device also includes a material collection mechanism, which is located at the end of the rotating roller 17 away from the unloading mechanism. The material collection mechanism includes a collection box 27, which has a guide chute 26 located diagonally below the cigarette stick 10 to be tested, and a collection groove is provided on the collection box 27.

[0041] In the above embodiment, after the cigarette 10 on the rotating roller 17 has rotated one revolution and completed the inspection, the unloading cylinder 23 extends, causing the push plate 24 to push the cigarette 10 to move axially along the rotating roller 17. The cigarette 10 falls onto the guide chute 26 and, after sliding and rolling due to its own gravity, is preferably collected in the collection trough of the collection box 27, without the need for manual unloading by the staff.

[0042] In the above embodiments, the unloading cylinder 23, the arc-shaped baffle 16, and the clamping cylinder 19 are all mounted on the mounting plate 18 or the bracket (not shown in the figure) to provide support for these structures.

[0043] In the above embodiments, the first motor 13, the second motor 22, the clamping cylinder 19, and the unloading cylinder 23 are all electrically connected to the controller.

[0044] Working principle:

[0045] In use, multiple cigarettes 10 are stacked neatly in the holding hopper 1. The cigarettes 10 in the holding hopper 1 slide down into the cigarette trough 2 through the conveying channel 3 and are finally blocked by the first baffle 7. The first motor 13 drives the cam 11 to rotate one revolution, and the discharge port 14 of the cigarette trough 2 releases a cigarette 10. Under the blocking and positioning action of the arc baffle 16, the cigarette 10 rolls smoothly onto the rotating roller 17 through the guide plate 15. The pressing cylinder 19 extends so that the pressing roller 21 presses against the top of the cigarette 10. The two second motors 22 drive the two rotating rollers 17 to rotate simultaneously in the same direction, causing the cigarette 10 to rotate one revolution. The laser diameter measuring module 25 transmits the measured data to the controller. The controller calculates the circumference of the cigarette 10 according to the set algorithm and displays it on the display screen. The unloading cylinder 23 pushes the cigarette 10 to fall into the collection box 27. The above steps are repeated to sequentially detect the circumference of all cigarettes 10 to be inspected, resulting in high detection efficiency.

[0046] The above embodiments are only used to illustrate the technical solutions of this utility model and are not intended to limit it. Although this utility model has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solutions of this utility model without departing from the spirit and scope of the technical solutions of this utility model, and all such modifications and substitutions should be covered within the scope of the claims of this utility model. Technologies, shapes, and structural parts not described in detail in this utility model are all known technologies.

Claims

1. A device for detecting the perimeter of a cigarette cross-section, characterized in that: It includes a sample feeding mechanism for inputting the cigarettes to be tested, a material equalization mechanism for controlling the cigarettes to be discharged from the sample feeding mechanism, a rotation mechanism for rotating the cigarettes, and a laser diameter measuring mechanism for detecting the circumference of the cigarettes. The sample feeding mechanism includes a cigarette trough for holding the cigarettes to be tested and is inclined. The bottom end of the cigarette trough is provided with a discharge port. A guide plate is inclinedly provided at one end of the cigarette trough at the discharge port. The rotating mechanism is located at the end of the guide plate. One end of the cigarette stick protrudes outside the rotating mechanism, and the laser diameter measuring mechanism is located at the end of the cigarette stick that protrudes outside the rotating mechanism and is distributed on both sides of the cigarette stick; The material leveling mechanism includes a U-shaped plate, the middle of the web of the U-shaped plate is rotatably mounted on the outer wall of the material trough, the opening of the U-shaped plate faces the discharge port, the length of the upper wing of the U-shaped plate is greater than the length of the lower wing, a first transverse extension plate is provided at the free end of the upper wing of the U-shaped plate, and a second transverse extension plate is provided at the free end of the lower wing, both the first and second transverse extension plates are parallel to the axis of the cigarette to be inspected, a first baffle is provided at the bottom of the first transverse extension plate, and a second baffle is provided at the top of the second transverse extension plate; It also includes a controller, and the laser diameter measuring mechanism and the rotating mechanism are both electrically connected to the controller.

2. The cigarette cross-sectional perimeter detection device according to claim 1, characterized in that: The cigarette at the bottom of the cigarette holder is located in the space between the two baffles. The bottom wall of the cigarette holder has a through groove for the second baffle to pass through. It also includes a drive assembly for driving the U-shaped plate to swing up and down, so that the two baffles alternately block the cigarette.

3. The cigarette cross-sectional perimeter detection device according to claim 2, characterized in that: The drive assembly includes a first motor, a rotating shaft, and a cam. One end of the rotating shaft is fixedly connected to the output end of the first motor. The cam is fixedly sleeved on the rotating shaft, and the edge of the cam contacts the bottom of the lower wing plate of the U-shaped frame. The first motor is electrically connected to the controller.

4. The cigarette cross-sectional perimeter detection device according to claim 1, characterized in that: The rotating mechanism includes two mounting plates located on both sides of the guide plate. Two rotating rollers are arranged side by side and spaced apart in the horizontal direction between the two mounting plates, and a second motor is used to drive the two rotating rollers to rotate. The cigarette to be inspected is supported on the rotating rollers. The length of the cigarette to be inspected is greater than the length of the rotating rollers. The second motor is electrically connected to the controller.

5. The cigarette cross-sectional perimeter detection device according to claim 4, characterized in that: A clamping cylinder is provided above the rotating roller, and a clamping roller is provided at the telescopic end of the clamping cylinder; the clamping cylinder is electrically connected to the controller.

6. The cigarette cross-sectional perimeter detection device according to claim 4, characterized in that: An arc-shaped baffle is provided on the side of the mounting plate away from the guide plate.

7. The cigarette cross-sectional perimeter detection device according to claim 4, characterized in that: The detection device also includes a unloading mechanism, which includes an unloading cylinder and a push plate. The axis of the unloading cylinder is collinear with the axis of the cigarette to be inspected located on the rotating roller. The push plate is fixedly installed at the telescopic end of the unloading cylinder and is used to push the cigarette to be inspected. The unloading cylinder is electrically connected to the controller.

8. The cigarette cross-sectional perimeter detection device according to claim 7, characterized in that: The detection device also includes a material collection mechanism, which is located at the end of the rotating roller away from the unloading mechanism. The material collection mechanism includes a collection box, and the collection box is provided with a guide chute below the cigarette to be inspected.

9. The cigarette cross-sectional perimeter detection device according to claim 1, characterized in that: A hopper is provided above the end of the flue away from the discharge port, and a conveying channel is provided vertically between the flue and the hopper.

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