CN217830843U - Defective cigarette detecting and rejecting equipment - Google Patents
Defective cigarette detecting and rejecting equipment Download PDFInfo
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- CN217830843U CN217830843U CN202221356723.1U CN202221356723U CN217830843U CN 217830843 U CN217830843 U CN 217830843U CN 202221356723 U CN202221356723 U CN 202221356723U CN 217830843 U CN217830843 U CN 217830843U
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Abstract
A defective cigarette detection and rejection device comprises a conveying track for conveying cigarettes, a video cabinet for photographing a plurality of faces of the cigarettes and a rejection mechanism for rejecting the defective cigarettes from the conveying track, wherein the video cabinet and the rejection mechanism are sequentially arranged on the conveying track along the conveying direction of the conveying track; the video cabinet comprises a supporting frame and a supporting base; the supporting frame and the supporting base are covered with a shell together, and an avoiding opening for avoiding the conveying track is formed in the shell; the camera module is arranged on the support frame and the support base; the rejecting mechanism comprises a first optical fiber sensor and a rejecting device which are arranged on the bracket; the removing device comprises an air cylinder and a push rod, and the push rod stretches under the driving of the air cylinder to push the defective cigarettes on the conveying track out of the conveying track. The utility model discloses realize the accurate location of strip cigarette appearance quality defect detection and reject, not receive the influence that the line was stopped and remains strip cigarette and strip cigarette functioning speed change, reach the requirement of accurate rejection defect strip cigarette.
Description
Technical Field
The utility model relates to a defect strip cigarette detects rejection equipment.
Background
The defect of appearance quality of cigarette carton packaging is a quality problem troubling cigarette manufacturing enterprises. Because the equipment runs at a high speed, the detection speed of the cigarette detection equipment at the outlet of the packing machine reaches 100 cigarettes/minute, the appearance defects of the cigarettes are not obvious, and the defective cigarettes cannot be sorted in real time by means of manual visual observation.
The machine vision detection is adopted, and the accurate positioning and elimination are a big problem; in addition, equipment can be started and stopped sometimes, the conveying track stops running, residual cigarettes stop between the photographing position and the removing position, the running speed of the cigarettes also changes, removing errors often occur, and missing and wrong removing often occur.
Disclosure of Invention
In order to overcome the problems, the utility model provides a defective cigarette detecting and rejecting device.
The utility model adopts the technical proposal that: a defective cigarette detection and rejection device comprises a conveying track for conveying cigarettes, a video cabinet for photographing a plurality of faces of the cigarettes and a rejection mechanism for rejecting the defective cigarettes from the conveying track, wherein the video cabinet and the rejection mechanism are sequentially arranged on the conveying track along the conveying direction of the conveying track; taking the transmission direction of the conveying track as the front-back direction;
the video cabinet comprises a support frame erected on the conveying track and support bases fixedly connected to two sides of the conveying track; the supporting frame comprises a rectangular frame, four support legs which are vertically downward are arranged on the bottom surface of the rectangular frame, every two support legs are respectively supported on the supporting bases on the two sides of the conveying track in a group, and a camera mounting bracket is erected on the top surface of the rectangular frame; the supporting frame and the supporting base are covered with a shell together, avoidance openings for avoiding the conveying rails are formed in the front wall surface and the rear wall surface of the shell, and the conveying rails penetrate out of the avoidance openings; the support frame and the support base are provided with camera modules, each camera module comprises a first camera, a second camera, a third camera and a fourth camera, the number of the first cameras is two, the two first cameras are respectively arranged on the two support bases, and the two first cameras are respectively aligned to the left side surface and the right side surface of the cigarette carton; the second camera is arranged on the camera mounting bracket and is aligned with the top surface of the cigarette; the third camera is arranged on the camera mounting bracket and is aligned with the rear end face of the cigarette carton; the fourth camera is arranged on the camera mounting bracket and is aligned with the front end surface of the cigarette carton;
the removing mechanism comprises a support arranged on one side of the conveying track, a first optical fiber sensor and a removing device, wherein the first optical fiber sensor and the removing device are arranged on the support; the first optical fiber sensor is arranged close to the rear side of the removing device and used for detecting the position information of the cigarette carton; the removing device comprises an air cylinder and a push rod, the air cylinder is arranged on the bracket, an output shaft of the air cylinder is connected with the push rod, and the tail end of the push rod is provided with a push head; the axes of the cylinder and the push rod are vertical to the front and back direction, and the push rod is driven by the cylinder to stretch;
the camera module is electrically connected with the industrial control host, the first camera, the second camera, the third camera and the fourth camera transmit the shot cigarette carton image to the industrial control host, and the industrial control host detects cigarette carton defects of the cigarette carton image and judges whether the cigarette carton has surface appearance defects;
the industrial control host is respectively and electrically connected with the first optical fiber sensor and the removing device, and if the industrial control host judges that the strip cigarette has surface appearance defects and the first optical fiber sensor senses that the strip cigarette exists, a removing instruction is sent to the air cylinder; and the air cylinder pushes the defective cigarette carton on the conveying track out of the conveying track after receiving the removing instruction.
Furthermore, a second optical fiber sensor is also arranged in the video cabinet, and the second optical fiber sensor is arranged on the supporting base and is positioned at the rear side of the first camera; the second optical fiber sensor is electrically connected with the industrial control host, and the second optical fiber sensor is used for triggering the camera module to carry out positioning detection of strip cigarette photographing.
Furthermore, a third optical fiber sensor is also arranged in the video cabinet, and the third optical fiber sensor is arranged on the supporting base and is positioned on the inner side of the front side wall of the shell; and the third optical fiber sensor is electrically connected with the industrial control host, and is used for positioning and detecting that the cigarette carton leaves the video cabinet.
Further, the pushing head is a plate body with a soft cushion so as to increase the contact area and the friction force between the pushing rod and the cigarette carton.
Further, the distance between the first optical fiber sensor and the video cabinet is at least one cigarette width.
The video cabinet is characterized by further comprising a cigarette separating device arranged on the conveying track, the cigarette separating device is located on the rear side of the video cabinet, and the cigarette separating device enables cigarettes on the conveying track to enter the video cabinet after being separated at certain intervals.
The utility model has the advantages that:
(1) A plurality of optical fiber sensor triggering devices are designed, so that the problem that cigarettes are frequently missed and mistakenly picked is effectively solved, the picking stability is greatly improved, and the quality of cigarette products is improved.
(2) The method realizes the accurate positioning and elimination of the appearance quality defect detection of the cigarettes, is not influenced by the residual cigarettes in the stop line and the change of the running speed of the cigarettes, and meets the requirement of accurately eliminating the defective cigarettes.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Description of reference numerals: 1 is a conveying track; 2, a video cabinet, 21, a support frame, 22, a support base, 23, a camera module, 231, a first camera, 232, a second camera, 233, a fourth camera, 234, a second optical fiber sensor, 25, a third optical fiber sensor, 3, a removing mechanism, 31, a support, 32, a first optical fiber sensor, 33, a removing device, 331, an air cylinder, 332, a push rod and 333, wherein the support frame is a support frame, the fourth camera is a fourth camera, the second optical fiber sensor is a second optical fiber sensor, the third optical fiber sensor is a third optical fiber sensor, the removing mechanism is a removing mechanism, the support frame is a support frame, the first optical fiber sensor is a removing device, the air cylinder is a 331, the push rod is 332, and the push head is 333; and 4, a cigarette separating device.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the directions or positional relationships indicated as the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., appear based on the directions or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" as appearing herein are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" should be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to the attached drawings, the defective cigarette detection and rejection equipment comprises a conveying track 1 for conveying cigarettes, wherein in the embodiment, the conveying track 1 is realized by a conveying belt driven by a power mechanism. The conveying belt is driven and transmitted by a power mechanism, so that the cigarette carton placed on the conveying belt is driven to convey the cigarette carton. Still include the video cabinet 2 that shoots a plurality of faces of strip cigarette and the mechanism 3 of rejecting that rejects defective strip cigarette from transfer track 1, video cabinet 2, rejection mechanism 3 set gradually on transfer track 1 along transfer track 1's direction of transmission, and from this, the strip cigarette on the transfer track 1 passes through video cabinet 2 and rejects mechanism 3 in proper order. The conveying direction of the conveying track 1 is taken as the front-back direction;
the video cabinet 2 comprises a support frame 21 erected on the conveying track 1 and support bases 22 fixedly connected to two sides of the conveying track 1; the supporting frame 21 comprises a rectangular frame, four vertically downward supporting legs are arranged on the bottom surface of the rectangular frame, the four supporting legs are supported on the supporting bases 22 on the two sides of the conveying track 1 in a group two by two, and a camera mounting bracket is erected on the top surface of the rectangular frame; the supporting frame 21 and the supporting base 22 are covered with a shell together, the front wall surface and the rear wall surface of the shell are provided with avoidance openings for avoiding the conveying track 1, and the conveying track 1 penetrates out of the avoidance openings; the camera module 23 is arranged on the support frame 21 and the support base 22, the camera module 23 comprises two first cameras 231, two second cameras 232, two third cameras 233 and two fourth cameras 234, the two first cameras 231 are respectively arranged on the two support bases 22, and the two first cameras 231 are respectively aligned with the left side surface and the right side surface of the cigarette; the second camera 232 is disposed on the camera mounting bracket, the second camera 232 being directed at the top surface of the cigarette carton; the third camera 233 is arranged on the camera mounting bracket, and the third camera 233 is aligned with the rear end face of the cigarette; the fourth camera 234 is arranged on the camera mounting bracket, and the fourth camera 234 is aligned with the front end face of the cigarette; therefore, when the cigarette carton on the conveying track 1 passes through the video cabinet 2, the camera module 23 can shoot the image of the face 5 of the cigarette carton. The industrial control host computer carries out artificial intelligence analysis after receiving 5 face images of the strip cigarette shot by the camera module 23, and judges whether a certain face of the strip cigarette has the defect of surface appearance. It should be noted that although the housing of the supporting frame 21 is not illustrated in the drawings, it does not hinder the understanding of the skilled person.
The rejecting mechanism 3 comprises a bracket 31 arranged on one side of the conveying track 1, a first optical fiber sensor 32 arranged on the bracket 31 and a rejecting device 33; the first optical fiber sensor 32 is arranged close to the rear side of the removing device 33, and the first optical fiber sensor 32 is used for detecting the position information of the cigarette carton; the removing device 33 comprises an air cylinder 331 and a push rod 332, the air cylinder 331 is mounted on the support 31, an output shaft of the air cylinder 331 is connected with the push rod 332, and a push head 333 is arranged at the tail end of the push rod 332; the axes of the air cylinder 331 and the push rod 332 are perpendicular to the front-back direction, and the push rod 332 is driven by the air cylinder 331 to extend and retract; in addition, to increase the contact area and friction between the push rod 332 and the cigarette carton. In this embodiment, the end of the push rod 332 is further provided with a push head 333. The pusher head 333 is a plate with a cushion.
Specifically, the defective cigarette detection and rejection device of the present embodiment is a part of firmware of the cigarette defect detection and rejection system. The cigarette carton defect detecting and rejecting system also comprises an industrial control host. The camera module 23 and the rejecting mechanism 3 are connected with the industrial control host. Therefore, each face of a cigarette on the conveying track 1 is photographed by the cigarette defect detecting and removing system through the video cabinet 2, an image photographed by the video cabinet 2 is uploaded to the industrial control host, then the industrial control host carries out artificial intelligence analysis on the photographed image through the convolutional neural network, and whether the cigarette has the defect of surface appearance or not is judged (the application does not relate to improvement of software or a method, and the analysis and judgment method can adopt a single cigarette empty head detection method based on machine vision disclosed by a patent CN103385539B or an appearance detection system and method disclosed by CN108072664A or a machine vision algorithm for appearance detection disclosed by CN 111739003A); if the cigarette has the defect of surface appearance, an operation instruction is sent to the removing mechanism 3 through the industrial control host, and the cigarette with the surface appearance defect is removed on the conveying track 1 through the removing mechanism 3, so that the defective cigarette is separated.
The first optical fiber sensor 32 and the rejecting device 33 are connected with the industrial control host. When the first optical fiber sensor 32 detects that a cigarette passes through the rejecting mechanism 3, corresponding information is sent to the industrial control host, the industrial control host judges whether the cigarette passing through the rejecting mechanism 3 right ahead currently belongs to a defective cigarette or not according to the artificial intelligence detection result and the time sequence relation of the cigarette feeding transmission of the conveying track 1, if the defective cigarette, the driving cylinder 331 acts, and the defective cigarette is pushed out of the conveying track 1 through the extending push rod 332. Furthermore, it should be noted that when pushing the defective cigarette out of the conveying track 1, the defective cigarette needs to be completely detached from the video cabinet 2. Thus, the spacing between the rejection mechanism 3 and the video cabinet 2 is at least the width of one cigarette, i.e., the distance between the first fiber optic sensor 32 and the video cabinet 2 is at least the width of one cigarette.
In addition, in order to avoid the situation that the cigarettes on the conveying track 1 are too dense, the photographed cigarette end faces are shielded by the cigarettes after the cigarettes enter the video cabinet 2. In this embodiment, a cigarette separating device 4 disposed on the conveying track 1 is further included before the video cabinet 2. The cigarette separating device 4 is used for enabling cigarettes on the conveying track 1 to enter the video cabinet 2 after being separated according to a certain interval, so that the situation that the end face of the cigarette is shielded due to shooting is avoided. Here, "before the video cabinet 2" means that the cigarette separating device 4 is before the conveying track 1 in the conveying direction. In particular, the cigarette separating device 4 and the video cabinet 2 are arranged in the transport direction of the transport path 1. In this embodiment, the cigarette separating device 2 specifically adopts a differential cigarette separating device disclosed in patent document CN201501551U, and the specific structure thereof can be referred to the corresponding patent document, which is not described in detail in this specification.
Furthermore, the control of the video cabinet 2 and the rejection mechanism 3 is facilitated for the industrial control host. In this embodiment, a second optical fiber sensor 24 and a third optical fiber sensor 25 are further disposed in the video cabinet 2. The second optical fiber sensor 24 and the third optical fiber sensor 25 are both arranged on the side of the conveying track 1 and are positioned on the supporting base 22 below the middle part of the video cabinet. The second optical fiber sensor 24 is used for triggering the camera module 23 to perform positioning detection of the photographing of the cigarette, and the position of the second optical fiber sensor is the position of the photographing of the camera module 23 of the cigarette. Therefore, when the second optical fiber sensor 24 detects a cigarette in front, the corresponding information is sent to the industrial personal computer, and the industrial personal computer sends a photographing instruction to each camera of the camera module 23 according to the received information. After receiving the photographing instruction, each camera simultaneously photographs 5 surfaces of the cigarettes on the conveying track 1. The third fiber optic sensor 25 is used for positioning detection of the cigarette leaving the video cabinet 2 at the side of the cabinet exit at the rear end of the video cabinet. The industrial control host analyzes whether the cigarette currently arriving at the rejecting mechanism 3 is the detected defective cigarette according to the time sequence relation of the signals detected by the third optical fiber sensor 25, the first optical fiber sensor 32 and the second optical fiber sensor 24, so that the rejecting mechanism 3 can be prevented from rejecting non-defective cigarettes by mistake.
Furthermore, those skilled in the art will appreciate that in order to provide lighting conditions for the individual cameras of the camera module 23 when taking pictures, the video cabinet 2 should typically be equipped with a lighting system that matches the camera position.
In addition, it should be noted that, in this embodiment, the removing device 33 is implemented by using a cylinder to drive the push rod to extend and retract. Those skilled in the art will appreciate that there are many embodiments of such a removing device 33, such as a motor that extends and retracts a push rod via a rack and pinion. The above-mentioned structure of the removing device 33 in this embodiment is only a specific embodiment.
The embodiments described in this specification are merely illustrative of implementations of the present invention, and the scope of the present invention should not be considered limited to the specific embodiments described in the embodiments, but also includes equivalent technical means which can be conceived by those skilled in the art based on the present invention.
Claims (6)
1. The utility model provides a defect strip cigarette detects rejection equipment which characterized in that: the cigarette carton removing machine comprises a conveying track (1) for conveying cigarettes, a video cabinet (2) for photographing a plurality of faces of the cigarettes and a removing mechanism (3) for removing defective cigarettes from the conveying track (1), wherein the video cabinet (2) and the removing mechanism (3) are sequentially arranged on the conveying track (1) along the conveying direction of the conveying track (1); the conveying direction of the conveying track (1) is taken as the front-back direction;
the video cabinet (2) comprises a support frame (21) erected on the conveying track (1) and support bases (22) fixedly connected to two sides of the conveying track (1); the supporting frame (21) comprises a rectangular frame, the bottom surface of the rectangular frame is provided with four vertically downward supporting legs, every two four supporting legs are respectively supported on the supporting bases (22) on the two sides of the conveying track (1), and a camera mounting support is erected on the top surface of the rectangular frame; the supporting frame (21) and the supporting base (22) are jointly covered with a shell, the front wall surface and the rear wall surface of the shell are provided with avoidance openings for avoiding the conveying track (1), and the conveying track (1) penetrates out of the avoidance openings; the cigarette carton support is characterized in that camera modules (23) are arranged on the support frame (21) and the support base (22), each camera module (23) comprises a first camera (231), a second camera (232), a third camera (233) and a fourth camera (234), the number of the first cameras (231) is two, the two first cameras (231) are respectively arranged on the two support bases (22), and the two first cameras (231) are respectively aligned to the left side face and the right side face of the cigarette carton; the second camera (232) is arranged on the camera mounting bracket, and the second camera (232) is aligned with the top surface of the cigarette; the third camera (233) is arranged on the camera mounting bracket, and the third camera (233) is aligned with the rear end face of the cigarette; the fourth camera (234) is arranged on the camera mounting bracket, and the fourth camera (234) is aligned with the front end face of the cigarette;
the rejecting mechanism (3) comprises a support (31) arranged on one side of the conveying track (1), a first optical fiber sensor (32) arranged on the support (31) and a rejecting device (33); the first optical fiber sensor (32) is arranged close to the rear side of the removing device (33), and the first optical fiber sensor (32) is used for detecting the position information of the cigarette carton; the removing device (33) comprises an air cylinder (331) and a push rod (332), the air cylinder (331) is installed on the support (31), an output shaft of the air cylinder (331) is connected with the push rod (332), and the tail end of the push rod (332) is provided with a push head (333); the axes of the air cylinder (331) and the push rod (332) are vertical to the front-back direction, and the push rod (332) is driven by the air cylinder (331) to stretch and retract;
the camera module is electrically connected with the industrial control host, the first camera (231), the second camera (232), the third camera (233) and the fourth camera (234) transmit the shot cigarette carton image to the industrial control host, and the industrial control host detects the cigarette carton defect of the cigarette carton image and judges whether the cigarette carton has surface appearance defects;
the industrial control host is respectively electrically connected with the first optical fiber sensor (32) and the removing device (33), and if the industrial control host judges that the strip cigarette has surface appearance defects and the first optical fiber sensor (32) senses that the strip cigarette exists, a removing instruction is sent to the air cylinder (331); the air cylinder (331) pushes the defective cigarette carton on the conveying track (1) out of the conveying track (1) after receiving the rejecting instruction.
2. The defective cigarette detection and removal device as claimed in claim 1, wherein: a second optical fiber sensor (24) is further arranged in the video cabinet (2), and the second optical fiber sensor (24) is arranged on the supporting base (22) and is positioned at the rear side of the first camera (231); the second optical fiber sensor (24) is electrically connected with the industrial control host, and the second optical fiber sensor (24) is used for triggering the camera module to carry out positioning detection of strip cigarette photographing.
3. The defective cigarette detection and removal device as claimed in claim 1, wherein: a third optical fiber sensor (25) is further arranged in the video cabinet (2), and the third optical fiber sensor (25) is arranged on the supporting base (22) and is positioned on the inner side of the front side wall of the shell; the third optical fiber sensor (25) is electrically connected with the industrial control host, and the third optical fiber sensor (25) is used for positioning and detecting that the cigarette carton leaves the video cabinet.
4. The defective cigarette detection and removal device as claimed in claim 1, wherein: the push head (333) is a plate with a cushion to increase the contact area and friction between the push rod (332) and the cigarette carton.
5. The defective cigarette detection and removal device as claimed in claim 1, wherein: the distance between the first optical fiber sensor (32) and the video cabinet (2) is at least one cigarette width.
6. The defective cigarette detection and removal device as claimed in any one of claims 1 to 5, wherein: the cigarette conveying device is characterized by further comprising a cigarette separating device (4) arranged on the conveying track, the cigarette separating device (4) is located on the rear side of the video cabinet (2), and the cigarette separating device (4) enables cigarettes on the conveying track (1) to enter the video cabinet (2) after being separated at certain intervals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221356723.1U CN217830843U (en) | 2022-06-01 | 2022-06-01 | Defective cigarette detecting and rejecting equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221356723.1U CN217830843U (en) | 2022-06-01 | 2022-06-01 | Defective cigarette detecting and rejecting equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217830843U true CN217830843U (en) | 2022-11-18 |
Family
ID=84022929
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221356723.1U Active CN217830843U (en) | 2022-06-01 | 2022-06-01 | Defective cigarette detecting and rejecting equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217830843U (en) |
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2022
- 2022-06-01 CN CN202221356723.1U patent/CN217830843U/en active Active
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