A cigarette length and diameter detection device

Abstract

The present invention belongs to the technical field of cigarette detection, and discloses a cigarette length and diameter detection device, comprising a base plate, a first curved plate and a second curved plate are provided on the base plate, the first curved plate is fixedly connected to the base plate, a connecting plate is fixedly connected to the lower part of the second curved plate, a spring is fixedly connected to the other end of the connecting plate, a diameter limit block is fixedly connected to the other end of the spring, through grooves are provided at corresponding positions at the lower parts of the first curved plate and the second curved plate, a first pressure sensor and a second pressure sensor are provided on opposite sides of the middle parts of the first curved plate and the second curved plate, a diameter limit plate is provided on the base plate, a locking groove with different gears is provided on the diameter limit plate, and a length limit plate that can slide horizontally is provided on the base plate. The present invention can solve the problems in the prior art that only the diameter or length of cigarettes can be detected separately, the detection is time-consuming and labor-intensive, and the operation is inconvenient.

Description

Technical Field

[0001] The present invention relates to the technical field of cigarette detection, and in particular to a cigarette length and diameter detection device. Background Art

[0002] Cigarettes, also known as paper cigarettes, rolled cigarettes, or cigarette rolls, refer to tobacco products made by rolling tobacco into strips with cigarette paper. Currently, due to the varying product offerings from various cigarette manufacturers, regular testing of the diameter and length of cigarette sticks is required during production. The main lengths available on the domestic market are 70 mm, 84 mm, 90 mm, and 100 mm, with the majority of diameters being 7.7 mm. Imported cigarettes are 7.8 mm in diameter. Existing testing methods and devices are not compatible with cigarettes of varying diameters and lengths, and therefore cannot meet the growing production demands of cigarette manufacturers.

[0003] Prior art includes technology for detecting cigarette diameters. For example, patent document CN201711236685.X discloses a device for detecting and rejecting cigarette diameters. The device comprises a frame equipped with a vibrator, a primary conveyor belt, and a secondary conveyor belt connected to each other. The input end of the secondary conveyor belt is located directly below the output end of the primary conveyor belt. A small-diameter collection box is provided in the middle of the primary conveyor belt, a qualified collection box is provided in the middle of the secondary conveyor belt, and a large-diameter collection box is provided at the output end of the secondary conveyor belt. The primary conveyor belt is provided with a first screening hole, which is a rectangular through-hole that allows cigarettes with a diameter smaller than the qualified diameter to fall into the small-diameter collection box. The secondary conveyor belt is provided with a second screening hole, also a rectangular through-hole, that allows cigarettes with a diameter equal to the qualified diameter to fall into the qualified collection box. This invention not only automatically detects whether the cigarette diameter is qualified, but also rejects cigarettes with a diameter larger or smaller than the qualified diameter.

[0004] The prior art also has technology for detecting the length of cigarettes. For example, the patent document with publication number CN201420126624.3 discloses a filter rod / cigarette length detection benchmark and a length detection device containing the same, which includes an upper reference part and a lower measurement reference platform. The entire detection benchmark can slide in the horizontal direction; the lower measurement reference platform includes multiple horizontally arranged measurement reference platforms of different heights, and the relative positions of the multiple measurement reference platforms and the upper reference part are fixed. The measurement reference positions of the multiple measurement reference platforms are located in the same vertical plane, which is a plane composed of the horizontal sliding direction and the vertical direction, and from top to bottom, the lengths of the multiple measurement reference platforms along the horizontal sliding direction gradually increase.

[0005] Both of the above existing technologies can only detect one of the diameter or length of a cigarette separately. In actual use, it is necessary to detect the diameter or length first and then the other, which is time-consuming and labor-intensive. In addition, the two devices will also increase the cost. Therefore, it can be seen that there is a need for a detection device that can detect both the diameter and length of a cigarette, and the structure must be simple and easy to operate. Summary of the Invention

[0006] In view of this, the purpose of the present invention is to provide a cigarette length and diameter detection device to solve the problem that the prior art can only detect the diameter or length of cigarettes separately, which is time-consuming and labor-intensive and inconvenient to operate.

[0007] The present invention solves the above technical problems through the following technical means: a cigarette length and diameter detection device, comprising a bottom plate, a first curved plate and a second curved plate are arranged on the bottom plate, the first curved plate and the second curved plate can form a cylinder, the first curved plate is fixedly connected to the bottom plate, the lower part of the second curved plate is fixedly connected to a connecting plate, the other end of the connecting plate is fixedly connected to a spring, the other end of the spring is fixedly connected to a diameter limiting block, the lower corresponding positions of the first curved plate and the second curved plate are both provided with through grooves, the opposite sides of the middle parts of the first curved plate and the second curved plate are respectively provided with a first pressure sensor and a second pressure sensor, a diameter limiting plate is provided on the bottom plate, the diameter limiting plate is provided with a card slot of different gears, and the bottom plate A horizontally sliding length limit plate is provided, one end of the length limit plate passes through the through slot on the first curved plate and is placed in the through slot of the second curved plate; a rotating shaft is provided on the side of the second curved plate away from the first curved plate, the lower end of the rotating shaft is rotatably mounted on the base plate, and a rotating rod is fixedly mounted on the upper end, and a third pressure sensor is provided on the rotating rod; a diameter indication light, a length indication light and a controller are provided on the base plate, and the first pressure sensor, the second pressure sensor, the third pressure sensor, the diameter indication light and the length indication light are all electrically connected to the controller; the vertical distance between the third pressure sensor and the upper end face of the length limit plate is the length of a qualified cigarette, and the horizontal distance between the first pressure sensor and the second pressure sensor is the diameter of a qualified cigarette.

[0008] Furthermore, a slider is fixedly connected to the lower end surface of the second arc-shaped plate.

[0009] Furthermore, a sliding groove is provided on the bottom plate, and the slider is slidably arranged in the sliding groove, so that the slider can drive the second curved plate to move forward and backward in the sliding groove without shifting left and right.

[0010] Furthermore, a first fan-shaped plate is integrally formed at the upper end of the first curved plate, and a second fan-shaped plate is integrally formed at the upper end of the second curved plate. The upper opening radius of the first fan-shaped plate and the second fan-shaped plate is larger than the lower opening radius, and the lower opening radius is equal to the radius of the first curved plate and the second curved plate, so that there is a transition when the cigarette is put in, reducing damage to the cigarette during operation.

[0011] Furthermore, the length limiting plate includes a plurality of length limiting plates of different heights, and the through grooves on the first arc plate and the second arc plate are through grooves of multiple different heights, and the height of the through grooves matches the height of the length limiting plate, so that the two ends of the length limiting plate can be inserted into the through grooves and remain stable.

[0012] Furthermore, the widths of the multiple length limit plates of different heights increase from top to bottom, and the lengths decrease from top to bottom, so that when the length limit plate is pushed before detection, the length limit plate of the corresponding height can be touched quickly and accurately.

[0013] Beneficial effects of the present invention:

[0014] 1. The present invention uses the cooperation of the first curved plate and the second curved plate, and the cooperation of the length limiting plate and the rotating rod to enable the device to detect both the length and diameter of the cigarette, which is convenient and fast.

[0015] 2. Through the different gears of the diameter limit plate, cigarettes of different diameters can be detected. By setting the length limit plate at different heights, cigarettes of different lengths can be detected.

[0016] 3. Through the setting of diameter indicator light and length indicator light, the staff can intuitively and quickly see whether the tested cigarettes are qualified. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a structural schematic diagram of a cigarette length and diameter detection device of the present invention;

[0018] Figure 2 It is a schematic diagram of the rear structure of the present invention;

[0019] Figure 3 It is a left side view of the present invention;

[0020] Figure 4 yes Figure 1 Enlarged view of the mid-length limit plate;

[0021] Figure 5 It is a usage state diagram of the present invention;

[0022] Figure 6 It is a circuit control schematic diagram of the present invention;

[0023] Among them, 1-bottom plate, 101-slide groove, 201-first arc plate, 202-second arc plate, 301-first fan-shaped plate, 302-second fan-shaped plate, 4-through groove, 5-length limit plate, 501-first length limit plate, 502-second length limit plate, 503-third length limit plate, 504-fourth length limit plate, 6-slider, 7-diameter limit plate, 8-locking groove, 9-connecting plate, 10-spring, 11-diameter limit block, 12-rotating shaft, 13-rotating rod, 141-first pressure sensor, 142-second pressure sensor, 143-third pressure sensor, 151-diameter prompt light, 152-length prompt light, 16-controller. DETAILED DESCRIPTION

[0024] The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments:

[0025] like Figure 1-Figure 5 As shown, a cigarette length and diameter detection device of the present invention includes a base plate 1, a slide groove 101 is opened on the base plate 1, a first curved plate 201 and a second curved plate 202 are provided on the base plate 1, the first curved plate 201 and the second curved plate 202 can form a cylinder, the first curved plate 201 is welded to the base plate 1, the upper end of the first curved plate 201 is integrally formed with a first fan-shaped plate 301, and the upper end of the second curved plate 202 is integrally formed with a second fan-shaped plate 302, the upper end opening radius of the first fan-shaped plate 301 and the second fan-shaped plate 302 is larger than the lower end opening radius, and the lower end opening radius is equal to the radius of the first curved plate 201 and the second curved plate 202. Four through slots 4 of different heights are provided at the lower portions of the first curved plate 201 and the second curved plate 202 at corresponding elevated positions. A first pressure sensor 141 and a second pressure sensor 142 are provided on opposite sides of the middle portions of the first curved plate 201 and the second curved plate 202, respectively.

[0026] The lower end surface of the second curved plate 202 is fixedly connected with a slider 6, which is slidably arranged in the slide groove 101. The lower part of the second curved plate 202 is fixedly connected with a connecting plate 9, and the other end of the connecting plate 9 is fixedly connected with a spring 10, and the other end of the spring 10 is fixedly connected with a diameter limit block 11. A diameter limit plate 7 is provided on the bottom plate 1, and a four-position locking groove 8 is opened on the diameter limit plate 7.

[0027] A horizontally slidable length limiting plate 5 is provided on the base plate 1, and one end of the length limiting plate 5 is slidably inserted into the through groove 4. The length limiting plates include, from top to bottom, a first length limiting plate 501, a second length limiting plate 502, a third length limiting plate 503, and a fourth length limiting plate 504. The widths of the four length limiting plates increase from top to bottom, and the lengths decrease from top to bottom.

[0028] A rotating shaft 12 is provided on the side of the second curved plate 202 away from the first curved plate 201. The lower end of the rotating shaft 12 is rotatably mounted on the base plate 1, and a rotating rod 13 is welded to the upper end. When the rotating rod 13 rotates driven by the rotating shaft 12, the lower end surface of the rotating rod 13 contacts the upper end surfaces of the first fan plate 301 and the second fan plate 302. A third pressure sensor 143 is provided on the lower end surface of the rotating rod 13. When the third pressure sensor 143 is in working state, the third pressure sensor 143 is directly above the middle position between the first curved plate 201 and the second curved plate 202. The vertical distance between the third pressure sensor 143 and the upper end surface of the length limiting plate 5 is the length of a qualified cigarette, and the horizontal distance between the first pressure sensor and the second pressure sensor is the diameter of a qualified cigarette.

[0029] A diameter indicator light 151 , a length indicator light 152 , and a controller 16 are provided on the base plate 1 , wherein the first pressure sensor 141 , the second pressure sensor 142 , the third pressure sensor 143 , the diameter indicator light 151 , and the length indicator light 152 are all electrically connected to the controller 16 .

[0030] The method of use of the present invention is as follows:

[0031] The staff adjusts the diameter and length of the qualified cigarette. During the specific adjustment, press the diameter limit block 11 to compress the spring 10, and the diameter limit block 11 exits the positioning slot 8. Move the diameter limit block 11 to the determined positioning slot 8, and the second curved plate 202 also moves to the corresponding position. Release the diameter limit block 11 so that the diameter limit block 11 is stuck in the positioning slot 8, fixing the second curved plate 202; then select the length limit plate 5 of the corresponding height, the vertical distance between the upper end face of the length limit plate 5 and the third pressure sensor is equal to the length of the qualified cigarette, and push the selected length limit plate 5 by hand so that the other end of the length limit plate 5 is inserted into the through slot 4 at the corresponding position on the second curved plate 202. At this time, the diameter and length have been determined.

[0032] The above steps only need to be set up once. During daily testing, the cigarette to be tested is placed vertically between the first sector plate 301 and the second sector plate 302, with the cigarette holder facing upward. The rotating rod 13 is then rotated from the side to the top of the cigarette to be tested. The first pressure sensor 141, the second pressure sensor 142, and the third pressure sensor 143 detect whether the cigarette to be tested is qualified. The signal is then transmitted to the controller 16, which then controls the lighting of the diameter indicator light 151 and the length indicator light 152.

[0033] The diameter detection results have the following three situations:

[0034] In the first case, the cigarette is too large in diameter and cannot be inserted between the first curved plate 201 and the second curved plate 202. The first pressure sensor 141 and the second pressure sensor 142 cannot sense the cigarette, and the controller will control the diameter indicator light 151 to light red, indicating that the diameter is unqualified.

[0035] In the second case, the cigarette diameter is too small. When placed between the first curved plate 201 and the second curved plate 202, the cigarette will become loose. The first pressure sensor 141 and the second pressure sensor 142 cannot sense the cigarette at the same time. The controller will control the diameter indicator light 151 to light red, indicating that the diameter is unqualified.

[0036] In the third case, the cigarette has a suitable diameter. The cigarette is placed between the first curved plate 201 and the second curved plate 202. The first pressure sensor 141 and the second pressure sensor 142 sense the cigarette at the same time. The controller controls the diameter indicator light 151 to light up green, indicating that the diameter is acceptable.

[0037] There are three types of length detection results:

[0038] The first is that the cigarette is too long. When the rotating rod 13 rotates between the first curved plate 201 and the second curved plate 202, it is blocked by the cigarette and cannot rotate. The third pressure sensor 143 cannot sense the cigarette, and the length indicator light 152 turns red, indicating that the length is unqualified.

[0039] The second type is that the cigarette is too short. The rotating rod 13 rotates between the first curved plate 201 and the second curved plate 202. The third pressure sensor 143 cannot sense the cigarette, and the length indicator light 152 turns red, indicating that the length is unqualified.

[0040] The third type is that the cigarette is of the right length. The rotating rod 13 rotates between the first curved plate 201 and the second curved plate 202. The third pressure sensor 143 senses the cigarette and the length indicator light 152 lights up green, indicating that the length is acceptable.

[0041] Only when the diameter indicator light 151 and the length indicator light 152 are both green at the same time, the diameter and length of the cigarette are qualified.

[0042] The above embodiments are intended only to illustrate the technical solutions of the present invention and are not intended to limit the scope of the present invention. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art will appreciate that the technical solutions of the present invention may be modified or replaced with equivalents without departing from the spirit and scope of the technical solutions of the present invention, and such modifications or equivalents shall be encompassed by the claims of the present invention. Any techniques, shapes, and structures not described in detail herein are well known.

Claims

1. A cigarette length and diameter detection device, characterized by: The invention comprises a bottom plate, wherein a first curved plate and a second curved plate are provided on the bottom plate, the first curved plate is fixedly connected to the bottom plate, a connecting plate is fixedly connected to the lower portion of the second curved plate, the other end of the connecting plate is fixedly connected to a spring, the other end of the spring is fixedly connected to a diameter limiting block, through grooves are provided at corresponding positions of the lower portions of the first curved plate and the second curved plate, a first pressure sensor and a second pressure sensor are provided on opposite sides of the middle portions of the first curved plate and the second curved plate respectively, a diameter limiting plate is provided on the bottom plate, a plurality of positioning grooves of different gears are opened on the diameter limiting plate, a horizontally slidable length limiting plate is provided on the bottom plate, one end of the length limiting plate passes through the through groove on the first curved plate and is placed in the through groove of the second curved plate; A rotating shaft is provided on a side of the second curved plate away from the first curved plate, the lower end of the rotating shaft is rotatably mounted on the base plate, and a rotating rod is fixedly mounted on the upper end, and a third pressure sensor is provided on the rotating rod; a diameter indicator light, a length indicator light, and a controller are provided on the base plate, and the first pressure sensor, the second pressure sensor, the third pressure sensor, the diameter indicator light, and the length indicator light are all electrically connected to the controller; The vertical distance between the third pressure sensor and the upper end surface of the length limit plate is the length of a qualified cigarette, and the horizontal distance between the first pressure sensor and the second pressure sensor is the diameter of a qualified cigarette; the length limit plate includes multiple length limit plates of different heights, and the through grooves on the first curved plate and the second curved plate are through grooves of multiple heights, and the heights of the through grooves match the heights of the length limit plates; the widths of the multiple length limit plates of different heights increase from top to bottom, and the lengths decrease from top to bottom.

2. The cigarette length and diameter detection device according to claim 1, characterized in that: The lower end surface of the second arc-shaped plate is fixedly connected with a slider.

3. The cigarette length and diameter detection device according to claim 2, characterized in that: A sliding groove is provided on the bottom plate, and the slider is slidably arranged in the sliding groove.

4. The cigarette length and diameter detection device according to claim 1, characterized in that: The upper end of the first curved plate is integrally formed with a first fan-shaped plate, and the upper end of the second curved plate is integrally formed with a second fan-shaped plate. The upper end opening radius of the first fan-shaped plate and the second fan-shaped plate is larger than the lower end opening radius, and the lower end opening radius is equal to the radius of the first curved plate and the second curved plate.

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