Photoelectric detection device for cigarette making machine

Abstract

The present invention relates to the field of photoelectric detection technology, and discloses a photoelectric detection device of a cigarette making machine, comprising a supporting mechanism, wherein the supporting mechanism comprises a detection frame, the outer wall of the detection frame is rotatably connected to a box door through a hinge, a feeding port is provided at the top of the detection frame, a universal wheel is fixedly connected to the bottom outer wall of the detection frame, a material receiving bin is arranged inside the detection frame, a display screen is fixedly connected to the outer wall of the detection frame on one side close to the box door, a first detection light source is fixedly connected to the inner wall of the detection frame on one side close to the feeding port, an inclined plate is fixedly connected to the inner wall of the detection frame on one side, a sensing component is arranged at the bottom of the inclined plate, when it is necessary to detect the processed cigarettes, the cigarettes are detected by the detection mechanism, and the detected cigarettes are classified by the auxiliary component, so as to avoid mixed packaging of some bad cigarettes with good cigarettes, thereby improving the production quality of cigarettes.

Description

Technical Field

[0001] The invention relates to the technical field of photoelectric detection, in particular to a photoelectric detection device of a cigarette making machine. Background Art

[0002] Cigarette-making machines are crucial in tobacco production, and photoelectric detection technology plays a key role in cigarette-making machines. It utilizes photoelectric principles to accurately detect various parameters in the cigarette production process, such as cigarette length, diameter, and packaging integrity. The application of this technology has greatly improved the quality and efficiency of cigarette production, reduced the defective rate, ensured product consistency and stability, and provided strong support for the high-quality development of the cigarette industry.

[0003] Patent application with application number CN202021560166.6 discloses a tobacco metering slot detection device for a YJ118 type cigarette making machine, including a photoelectric sensor matrix, dust-proof cotton wool, a metering slot body, a reflector, a nozzle, a mounting back plate, and a PLC controller.

[0004] To sum up, when testing the finished cigarettes, it is necessary to check whether there is any tobacco missing, whether the cigarette holder is installed in place, and whether the cigarette holder is installed. At the same time, it is necessary to distinguish between good cigarettes and bad cigarettes to avoid mixing some bad cigarettes with good cigarettes in packaging, thereby preventing possible impact on the quality of cigarettes.

[0005] Therefore, we proposed a photoelectric detection device for cigarette making machines. Summary of the invention

[0006] In view of the deficiencies of the prior art, the present invention provides a photoelectric detection device for a cigarette making machine to solve the problems raised in the above background technology.

[0007] To achieve the above-mentioned object, the present invention provides the following technical solutions: a photoelectric detection device for a cigarette making machine, comprising a supporting mechanism, the supporting mechanism comprising a detection frame, the outer wall of the detection frame is rotatably connected to a box door through a hinge, a feeding port is provided on the top of the detection frame, a universal wheel is fixedly connected to the bottom outer wall of the detection frame, a receiving bin is arranged inside the detection frame, a display screen is fixedly connected to the outer wall of the detection frame on one side close to the box door, a first detection light source is fixedly connected to the inner wall of the detection frame, an inclined plate is fixedly connected to the inner wall of the detection frame on one side close to the feeding port, a sensing component is arranged at the bottom of the inclined plate, and also includes:

[0008] The detection mechanism includes a first connecting frame fixedly connected to the inner wall of the detection frame, the top inner wall of the first connecting frame is fixedly connected to a support rod, the inner wall of the support rod is fixedly connected to a driving motor, the bottom outer wall of the first connecting frame is fixedly connected to a first servo motor, the output end of the first servo motor is provided with an auxiliary component, the auxiliary component classifies the cigarettes that have completed the detection according to the quality of the cigarettes, the left and right outer walls of the first connecting frame are fixedly connected to the second connecting frame, and the outer wall of the first connecting frame on one side close to the second connecting frame is fixedly connected to a first hydraulic rod.

[0009] According to the above technical solution, the output end of the driving motor is fixedly connected to the first connecting block, the inner wall of the first connecting block is fixedly connected to the dual-axis motor, the output end of the dual-axis motor is fixedly connected to the force-bearing plate, the left and right sides of the force-bearing plate are fixedly connected to the clamping plate through the rotating shaft, and the dual-axis motor can flip the force-bearing plate, so that the smoke falls from the force-bearing plate into the first connecting frame.

[0010] According to the above technical solution, a second connecting block is fixedly connected to the outer wall of the second connecting frame on a side away from the first connecting frame, a second detection light source is fixedly connected to the side of the second connecting block close to the first connecting frame, a first connecting rod is fixedly connected to the side of the second connecting block away from the second connecting frame, an end of the first connecting rod away from the second connecting block is fixedly connected to a third connecting block, a side of the third connecting block close to the first connecting frame is fixedly connected to a third detection light source, and the second detection light source and the third detection light source are used to detect cigarette butts and tobacco areas.

[0011] According to the above technical solution, a second connecting rod is fixedly sleeved on an outer wall of the first hydraulic rod, an outer wall of the second connecting rod on a side away from the first hydraulic rod is fixedly connected to the first connecting frame, an output end of the first hydraulic rod is fixedly connected to a fixed block, an outer wall of the fixed block on a side away from the first hydraulic rod is fixedly connected to a first sliding frame, an outer wall of the first sliding frame on a side away from the box door is fixedly connected to a second servo motor, an output end of the second servo motor passes through the first sliding frame and is fixedly connected to a driving roller, an outer surface of the driving roller is slidably connected to the first connecting frame, and the driving roller can enable the smoke to rotate as a whole, thereby reducing a visual blind spot when detecting smoke.

[0012] According to the above technical solution, the auxiliary component includes a rotating frame fixedly connected to the output end of the first servo motor, a second hydraulic rod is fixedly connected to the inner wall of the rotating frame, the output end of the second hydraulic rod is fixedly connected to the second sliding frame, an elastic cloth is fixedly connected to the inner wall of the second sliding frame, one end of the elastic cloth away from the second sliding frame is fixedly connected to the first connecting frame, the number of the second hydraulic rods is two, and the two second hydraulic rods are symmetrically arranged with the central axis of the second sliding frame as the center.

[0013] According to the above technical solution, the outer wall of the second sliding frame is rotatably connected to the first rotating rod via a rotating shaft, the end of the first rotating rod away from the second sliding frame is rotatably connected to the second rotating rod via a rotating shaft, the end of the second rotating rod away from the first rotating rod is rotatably connected to the first connecting frame, and the first rotating rod and the second rotating rod are used to improve the stability of the second sliding frame during movement.

[0014] According to the above technical solution, the sensing component includes a force-bearing frame fixedly connected to the inclined plate, the end of the force-bearing frame away from the inclined plate is fixedly connected to the detection frame, the inner wall of the force-bearing frame close to the inclined plate is provided with a groove, the inner wall of the groove is slidably connected with a sliding block, the force-bearing frame has a certain elasticity, and when the smoke falls on the inclined plate, the inclined plate exerts a certain pressure on the force-bearing frame.

[0015] According to the above technical solution, one end of the sliding block away from the inclined plate is fixedly connected to a connecting shaft, one end of the connecting shaft away from the sliding block passes through the force frame and is fixedly connected to a spring, one end of the spring close to the sliding block is fixedly connected to the force frame, and the spring is used for resetting the sliding block.

[0016] Compared with the prior art, the present invention provides a photoelectric detection device for a cigarette making machine, which has the following beneficial effects:

[0017] 1. The present invention provides a photoelectric detection device for the cigarette making machine. When the processed cigarettes need to be detected, the detection mechanism detects the cigarettes, and the auxiliary components classify the detected cigarettes, thereby avoiding the mixed packaging of some bad cigarettes with good cigarettes, thereby improving the production quality of cigarettes.

[0018] 2. The present invention sets a driving motor and a dual-axis motor. When the cigarette falls on the force plate through the inclined plate, the cigarette paper and the filter tip of the cigarette are distinguished by the visual equipment inside the detection frame, and the cigarette is adjusted by the driving motor to ensure that the position of the cigarette butt remains consistent after the cigarette falls into the first connecting frame, thereby improving the accuracy of the photoelectric detection of the cigarette.

[0019] 3. The present invention sets a first detection light source and a detection mechanism, performs illumination detection on the tobacco shred area through the first detection light source, detects the cigarette paper and filter tip area through the second detection light source and the third detection light source, and rotates the cigarette inside the first connecting frame through the driving roller, thereby reducing the blind spot area during cigarette detection.

[0020] 4. The present invention sets up auxiliary components. When the cigarettes are inspected, they are distinguished according to their quality. The rotating frame is rotated by the first servo motor. After the second sliding frame is rotated to a suitable position, the second sliding frame is pushed downward by the second hydraulic rod, thereby ensuring that the cigarettes can fall into the designated area of ​​the receiving bin. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the overall structure of the device of the present invention;

[0022] Figure 2 It is a schematic diagram of the overall cross-sectional structure of the device of the present invention;

[0023] Figure 3 It is a schematic diagram of the support mechanism structure of the present invention;

[0024] Figure 4 It is a schematic diagram of the structure of the sensing component of the present invention;

[0025] Figure 5 It is a schematic diagram of the structure of the detection mechanism of the present invention;

[0026] Figure 6 It is a schematic diagram of the structure of the detection mechanism of the present invention;

[0027] Figure 7 For the present invention Figure 2 A is a schematic diagram of the enlarged structure of the middle part;

[0028] Figure 8 It is a schematic diagram of the auxiliary mechanism structure of the present invention.

[0029] In the figure: 1. Support mechanism; 101. Detection frame; 102. Box door; 103. Universal wheel; 104. Material collection bin; 105. Display screen; 106. Feed inlet; 107. Inclined plate; 108. First detection light source; 109. Induction component; 1091. Force frame; 1092. Groove; 1093. Connecting shaft; 1094. Sliding block; 1095. Spring; 2. Detection mechanism; 201. First connecting frame; 202. Support rod; 203. Driving motor; 204. First connecting block; 205. Dual-axis motor; 206. Force plate; 207. Clamping plate; 208. 8. Second connecting frame; 209. Second connecting block; 210. Second detection light source; 211. First connecting rod; 212. Third connecting block; 213. Third detection light source; 214. First servo motor; 215. First hydraulic rod; 216. Second connecting rod; 217. Fixed block; 218. First sliding frame; 219. Driving roller; 220. Second servo motor; 221. Auxiliary component; 2211. Rotating frame; 2212. Second hydraulic rod; 2213. Second sliding frame; 2214. Elastic cloth; 2215. First rotating rod; 2216. Second rotating rod. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0031] Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention.

[0032] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0033] Example 1: See Figure 1-Figure 4 The present invention provides a technical solution: a photoelectric detection device for a cigarette making machine, comprising a support mechanism 1, the support mechanism 1 comprising a detection frame 101, the outer wall of the detection frame 101 is rotatably connected to a box door 102 through a hinge, a feeding port 106 is provided on the top of the detection frame 101, the feeding port 106 is used to place cigarettes into the detection frame 101, a universal wheel 103 is fixedly connected to the bottom outer wall of the detection frame 101, a receiving bin 104 is provided inside the detection frame 101, and the receiving bin 104 is provided with a partition for classifying good cigarettes, cigarettes with missing tobacco shreds and cigarettes with missing cigarette butts, and a side of the detection frame 101 close to the box door 102 is provided with a partition for classifying good cigarettes, cigarettes with missing tobacco shreds and cigarette butts. A display screen 105 is fixedly connected to the side outer wall, a visual device is arranged on the top inner wall of the detection frame 101, and display can be displayed through the display screen 105, a first detection light source 108 is fixedly connected to the inner wall of the detection frame 101, and an inclined plate 107 is fixedly connected to the inner wall of one side of the detection frame 101 close to the feed port 106, and the inclined plate 107 has a certain elasticity. When the cigarette passes through the feed port 106 and falls on the inclined plate 107, the inclined plate 107 exerts a certain pressure downward on the force frame 1091, and plays a certain guiding role on the cigarette, and a sensing component 109 is arranged at the bottom of the inclined plate 107, which also includes:

[0034] The detection mechanism 2 includes a first connecting frame 201 fixedly connected to the inner wall of the detection frame 101, and the inner wall of the first connecting frame 201 is fixedly connected with transparent glass to facilitate the detection of cigarettes. The top inner wall of the first connecting frame 201 is fixedly connected with a support rod 202, and the inner wall of the support rod 202 is fixedly connected with a driving motor 203. The bottom outer wall of the first connecting frame 201 is fixedly connected with a first servo motor 214, and the output end of the first servo motor 214 is provided with an auxiliary component 221. The auxiliary component 221 classifies the cigarettes that have completed the detection according to the quality of the cigarettes. The left and right outer walls of the first connecting frame 201 are fixedly connected with the second connecting frame 208, and the outer wall of the first connecting frame 201 on one side close to the second connecting frame 208 is fixedly connected with a first hydraulic rod 215.

[0035] The sensing component 109 includes a force-bearing frame 1091 fixedly connected to the inclined plate 107. The end of the force-bearing frame 1091 away from the inclined plate 107 is fixedly connected to the detection frame 101. The force-bearing frame 1091 has a certain elasticity. When smoke falls on the inclined plate 107, the inclined plate 107 exerts a certain pressure on the force-bearing frame 1091. A groove 1092 is provided on the inner wall of the force-bearing frame 1091 close to the inclined plate 107, and a sliding block 1094 is slidably connected to the inner wall of the groove 1092.

[0036] One end of the sliding block 1094 away from the inclined plate 107 is fixedly connected to the connecting shaft 1093, and the end of the connecting shaft 1093 away from the sliding block 1094 passes through the force frame 1091 and is fixedly connected to a spring 1095. The spring 1095 is used for resetting the sliding block 1094, and the end of the spring 1095 close to the sliding block 1094 is fixedly connected to the force frame 1091.

[0037] The output end of the driving motor 203 is fixedly connected to the first connecting block 204, and the inner wall of the first connecting block 204 is fixedly connected to the dual-axis motor 205. The dual-axis motor 205 can flip the force-bearing plate 206, so that the cigarette falls from the force-bearing plate 206 into the first connecting frame 201. The output end of the dual-axis motor 205 is fixedly connected to the force-bearing plate 206, and the left and right sides of the force-bearing plate 206 are fixedly connected to the clamping plate 207 through a rotating shaft.

[0038] The working principle of this embodiment is as follows: when there is a need to inspect cigarettes, the cigarettes are placed in the inspection frame 101 from the feed port 106, and the cigarettes will fall onto the force-bearing frame 1091 via the inclined plate 107. When the cigarettes pass through the inclined plate 107, the inclined plate 107 exerts pressure on the force-bearing frame 1091 due to the gravity of the cigarettes, so as to detect whether there is a lack of cigarettes inside the inspection frame 101. The cigarette paper and filter tip of the cigarette are distinguished by using the visual equipment configured inside the inspection frame 101. The cigarettes are adjusted with the help of the driving motor 203 to ensure that the position of the cigarette butts remains consistent after the cigarettes fall into the first connecting frame 201, and then the force-bearing frame 1091 is flipped by the dual-axis motor 205, so that the adjusted cigarettes fall into the first connecting frame 201, thereby improving the accuracy of the photoelectric detection of cigarettes.

[0039] Example 2: Please refer to Figure 5-Figure 7 On the basis of the first embodiment, the present invention provides a technical solution: a second connecting block 209 is fixedly connected to the outer wall of the second connecting frame 208 on the side away from the first connecting frame 201, a second detection light source 210 is fixedly connected to the side of the second connecting block 209 close to the first connecting frame 201, a first connecting rod 211 is fixedly connected to the side of the second connecting block 209 away from the second connecting frame 1091, a third connecting block 212 is fixedly connected to the end of the first connecting rod 211 away from the second connecting block 209, a third detection light source 213 is fixedly connected to the side of the third connecting block 212 close to the first connecting frame 201, and the second detection light source 210 and the third detection light source 213 are used to detect cigarette butts and tobacco areas of cigarettes.

[0040] The outer wall of the first hydraulic rod 215 is fixedly sleeved with a second connecting rod 216, and the outer wall of the second connecting rod 216 on a side away from the first hydraulic rod 215 is fixedly connected to the first connecting frame 201, and the output end of the first hydraulic rod 215 is fixedly connected to a fixed block 217, and the outer wall of the fixed block 217 on a side away from the first hydraulic rod 215 is fixedly connected to a first sliding frame 218, and the outer wall of the first sliding frame 218 on a side away from the box door 102 is fixedly connected to a second servo motor 220, and the output end of the second servo motor 220 passes through the first sliding frame 218 and is fixedly connected to a driving roller 219, and the outer surface of the driving roller 219 is slidably connected to the first connecting frame 201, and the driving roller 219 can make the cigarette rotate as a whole, thereby reducing the visual blind spot when detecting the cigarette.

[0041] The working principle of this embodiment is as follows: during the cigarette detection process, the first detection light source 108 is used to perform light detection on the tobacco area, and then the second detection light source 210 is used to perform preliminary detection on the cigarette paper and filter tip area. Subsequently, the first hydraulic rod 215 pushes the driving roller 219 to the side of the first connecting frame 201, and the second servo motor 220 relies on the driving roller 219 to rotate the cigarette inside the first connecting frame 201. Finally, the third detection light source 213 is used to perform secondary detection on the cigarette paper and filter tip area, thereby reducing the blind spot area during cigarette detection.

[0042] Example 3: Please refer to Figure 8 On the basis of the second embodiment, the present invention provides a technical solution: the auxiliary component 221 includes a rotating frame 2211 fixedly connected to the output end of the first servo motor 214, the inner wall of the rotating frame 2211 is fixedly connected with a second hydraulic rod 2212, the number of the second hydraulic rods 2212 is two, and the two second hydraulic rods 2212 are symmetrically arranged around the central axis of the second sliding frame 2213, the output end of the second hydraulic rod 2212 is fixedly connected to the second sliding frame 2213, the inner wall of the second sliding frame 2213 is fixedly connected with an elastic cloth 2214, and the end of the elastic cloth 2214 away from the second sliding frame 2213 is fixedly connected to the first connecting frame 201.

[0043] The outer wall of the second sliding frame 2213 is rotatably connected to the first rotating rod 2215 via a rotating shaft, and the end of the first rotating rod 2215 away from the second sliding frame 2213 is rotatably connected to the second rotating rod 2216 via a rotating shaft, and the end of the second rotating rod 2216 away from the first rotating rod 2215 is rotatably connected to the first connecting frame 201, and the first rotating rod 2215 and the second rotating rod 2216 are used to improve the stability of the second sliding frame 2213 when moving.

[0044] The working principle of this embodiment is as follows: after the cigarette inspection is completed, the cigarettes are distinguished according to their quality, and the rotating frame 2211 is driven to rotate by the first servo motor 214. When the second sliding frame 2213 rotates to the appropriate position, the second sliding frame 2213 is pushed toward the side of the receiving bin 104 with the help of the second hydraulic rod 2212 to ensure that the cigarettes can fall into the designated area of ​​the receiving bin 104, and the first rotating rod 2215 and the second rotating rod 2216 can enhance the stability of the second sliding frame 2213 during the movement.

[0045] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0046] Finally, it should be noted that the above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A photoelectric detection device for a cigarette making machine, comprising a support mechanism (1), the support mechanism (1) comprising a detection frame (101), the outer wall of the detection frame (101) being rotatably connected to a box door (102) via a hinge, a feeding port (106) being provided at the top of the detection frame (101), a universal wheel (103) being fixedly connected to the bottom outer wall of the detection frame (101), a material receiving bin (104) being arranged inside the detection frame (101), a display screen (105) being fixedly connected to the outer wall of the detection frame (101) on one side close to the box door (102), a first detection light source (108) being fixedly connected to the inner wall of the detection frame (101), an inclined plate (107) being fixedly connected to the inner wall of the detection frame (101) on one side close to the feeding port (106), a sensing component (109) being arranged at the bottom of the inclined plate (107), characterized in that: Also included are: The detection mechanism (2) comprises a first connection frame (201) fixedly connected to the inner wall of the detection frame (101), a support rod (202) fixedly connected to the top inner wall of the first connection frame (201), a drive motor (203) fixedly connected to the inner wall of the support rod (202), a first servo motor (214) fixedly connected to the bottom outer wall of the first connection frame (201), an auxiliary component (221) provided at the output end of the first servo motor (214), the auxiliary component (221) classifying the cigarettes that have completed the detection according to the quality of the cigarettes, the left and right outer walls of the first connection frame (201) are both fixedly connected to the second connection frame (208), and a first hydraulic rod (215) is fixedly connected to the outer wall of the first connection frame (201) on one side close to the second connection frame (208); The output end of the driving motor (203) is fixedly connected to a first connecting block (204), the inner wall of the first connecting block (204) is fixedly connected to a dual-axis motor (205), the output end of the dual-axis motor (205) is fixedly connected to a force-bearing plate (206), and the left and right sides of the force-bearing plate (206) are fixedly connected to clamping plates (207) via a rotating shaft; A second connecting block (209) is fixedly connected to an outer wall of a side of the second connecting frame (208) away from the first connecting frame (201); a second detection light source (210) is fixedly connected to a side of the second connecting block (209) close to the first connecting frame (201); a first connecting rod (211) is fixedly connected to a side of the second connecting block (209) away from the second connecting frame (208); a third connecting block (212) is fixedly connected to an end of the first connecting rod (211) away from the second connecting block (209); and a third detection light source (213) is fixedly connected to a side of the third connecting block (212) close to the first connecting frame (201); The sensing component (109) comprises a force-bearing frame (1091) fixedly connected to the inclined plate (107); one end of the force-bearing frame (1091) away from the inclined plate (107) is fixedly connected to the detection frame (101); a groove (1092) is formed on the inner wall of the force-bearing frame (1091) on a side close to the inclined plate (107); a sliding block (1094) is slidably connected to the inner wall of the groove (1092); One end of the sliding block (1094) away from the inclined plate (107) is fixedly connected to a connecting shaft (1093); one end of the connecting shaft (1093) away from the sliding block (1094) passes through the force-bearing frame (1091) and is fixedly connected to a spring (1095); one end of the spring (1095) close to the sliding block (1094) is fixedly connected to the force-bearing frame (1091).

2. The photoelectric detection device for a cigarette making machine according to claim 1, characterized in that: A second connecting rod (216) is fixedly sleeved on an outer wall of the first hydraulic rod (215); an outer wall of the second connecting rod (216) on a side away from the first hydraulic rod (215) is fixedly connected to the first connecting frame (201); an output end of the first hydraulic rod (215) is fixedly connected to a fixed block (217); an outer wall of the fixed block (217) on a side away from the first hydraulic rod (215) is fixedly connected to a first sliding frame (218); an outer wall of the first sliding frame (218) on a side away from the box door (102) is fixedly connected to a second servo motor (220); an output end of the second servo motor (220) passes through the first sliding frame (218) and is fixedly connected to a driving roller (219).

3. The photoelectric detection device for a cigarette making machine according to claim 1, characterized in that: The auxiliary component (221) comprises a rotating frame (2211) fixedly connected to the output end of the first servo motor (214); a second hydraulic rod (2212) is fixedly connected to the inner wall of the rotating frame (2211); the output end of the second hydraulic rod (2212) is fixedly connected to the second sliding frame (2213); an elastic cloth (2214) is fixedly connected to the inner wall of the second sliding frame (2213); and one end of the elastic cloth (2214) away from the second sliding frame (2213) is fixedly connected to the first connecting frame (201).

4. The photoelectric detection device for a cigarette making machine according to claim 3, characterized in that: The outer wall of the second sliding frame (2213) is rotatably connected to a first rotating rod (2215) via a rotating shaft; one end of the first rotating rod (2215) away from the second sliding frame (2213) is rotatably connected to a second rotating rod (2216) via a rotating shaft; and one end of the second rotating rod (2216) away from the first rotating rod (2215) is rotatably connected to the first connecting frame (201).

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