CN221163529U

CN221163529U - Cigarette segmentation physical parameter detection device based on machine vision

Info

Publication number: CN221163529U
Application number: CN202321485335.8U
Authority: CN
Inventors: 张海平
Original assignee: ZHENGZHOU HAIYI TECHNOLOGY CO LTD
Current assignee: ZHENGZHOU HAIYI TECHNOLOGY CO LTD
Priority date: 2023-06-12
Filing date: 2023-06-12
Publication date: 2024-06-18
Anticipated expiration: 2033-06-12

Abstract

The utility model discloses a cigarette segmentation physical parameter detection device based on machine vision, which comprises a frame box, a cigarette distributor mechanism for cigarette input, a blanking control mechanism for controlling the output of the cigarette by the cigarette distributor mechanism, a cigarette conveying mechanism for conveying cigarettes, a circumferential conveying mechanism for conveying the cigarettes of the cigarette conveying mechanism to a measuring mechanism, a measuring mechanism for bearing the cigarettes to be detected and a sampling mechanism for sampling images of the cigarettes to be detected.

Description

Cigarette segmentation physical parameter detection device based on machine vision

Technical Field

The utility model relates to the technical field of cigarette detection, in particular to a cigarette segmentation physical parameter detection device based on machine vision.

Background

The cigarette detection technology based on machine vision in the prior art comprises cigarette appearance package detection, cigarette length and circumference detection, wherein the cigarette appearance package detection, the cigarette length and circumference detection are carried out by photographing the outside of a cigarette, defect detection is carried out on the cigarette package by using photographed images, detection contents comprise defects and folds on packaging paper, the cigarette circumference and length can be calculated by using image resolution, and physical values of the cigarette circumference and length are detected.

The existing cigarette detection device is used for manually placing cigarettes into a measurement mechanism, photographing the outside of the cigarettes through a camera, and sending photographed images into a computer for image processing, so that physical parameters of the cigarettes are obtained, the cigarettes are manually taken down after detection, and a new cigarette is replaced for a new detection process. The existing detection device is suitable for single small-batch cigarette detection, manual participation is needed in the detection process, an automatic cigarette detection process cannot be realized, and the detection efficiency is low. To this end, we will provide a new device for detecting physical parameters of segments of cigarettes to solve the above-mentioned problems.

Disclosure of utility model

The utility model aims to solve the technical problem of providing a cigarette segmentation physical parameter detection device based on machine vision, which solves the problems of low automation degree and low detection efficiency of the existing cigarette detection device, thereby overcoming the defects of the prior art.

In order to solve the technical problems, the utility model provides a cigarette subsection physical parameter detection device based on machine vision, which comprises a frame box, a cigarette separator mechanism used for inputting cigarettes, a blanking control mechanism used for controlling the cigarettes to be output by the cigarette separator mechanism, a cigarette conveying mechanism used for conveying the cigarettes, a circumference conveying mechanism used for conveying the cigarettes of the cigarette conveying mechanism to a measuring mechanism, a measuring mechanism used for bearing the cigarettes to be detected and a sampling mechanism used for sampling images of the cigarettes to be detected;

The machine frame box is of a rectangular hollow box body structure, an installation bottom plate is arranged in the machine frame box, the cigarette separator mechanism is arranged above the installation bottom plate, cigarettes are changed from a transverse state to a vertical state through the cigarette separator mechanism, and the cigarettes enter the blanking control mechanism; the blanking control mechanism is positioned on the lower surface of the mounting bottom plate, and the intermittent falling of cigarettes into the cigarette conveying mechanism is controlled by the blanking control mechanism; the cigarette conveying mechanism is positioned below the blanking control mechanism, and is used for conveying cigarettes downwards through the cigarette conveying mechanism and conveying the cigarettes to the measuring mechanism through the circumference conveying mechanism; the measuring mechanism is arranged on the bottom surface in the frame box, the sampling mechanism is arranged above the measuring mechanism, and the image of cigarettes in the measuring mechanism is sampled through the sampling mechanism.

As an improvement of the utility model, the tobacco separator mechanism comprises a tobacco collecting pipe, a tobacco separating partition plate, a rear cover plate, a feeding driving disk and a feeding motor, wherein a feed bin is arranged at the upper part of the tobacco collecting pipe, the feed bin is fixed on a mounting bottom plate through two groups of supporting vertical plates which are oppositely arranged, guide grooves are respectively arranged on opposite side surfaces of the two groups of supporting vertical plates in the tobacco collecting pipe, two side edges of the feeding plate are respectively arranged in the guide grooves, and the feeding plate freely slides along the length direction of the guide grooves; the feeding plate is closely attached to the rear side opening of the storage bin, and a strip-shaped feeding hole is formed in the surface of the feeding plate; the cigarette separating partition plate is arranged at the rear side of the feeding plate, the rear cover plate is closely connected to the rear side of the cigarette separating partition plate, and a cigarette guiding chute for changing cigarettes from transverse to vertical is arranged in the middle of the cigarette separating partition plate and the rear cover plate; the front side of the smoke separation baffle is provided with a driving disc mounting groove, the feeding driving disc is rotatably arranged in the driving disc mounting groove, the feeding motor is fixed on the rear side surface of the smoke separation baffle, a driving shaft of the feeding motor penetrates through the smoke separation baffle, the end part of the driving shaft is fixedly connected with the center of the feeding driving disc, and the edge of the feeding driving disc is provided with a bearing bulge for abutting against the lower edge of the feeding plate; the side position of divide cigarette baffle is equipped with the cigarette body that includes vertical smoke guide groove, the cigarette body is fixed to be installed on mounting plate, just the last position that corresponds vertical smoke guide groove of mounting plate is equipped with the blanking hole, when the cigarette falls into vertical smoke guide groove by the smoke guide spout, the cigarette changes to vertical state by horizontal state, and the cigarette gets into blanking control mechanism via the blanking hole.

As a further improvement of the utility model, the blanking control mechanism comprises a blanking cylinder, a blanking block, a blanking fixing plate and a material guiding pipe, wherein the blanking fixing plate is positioned below the mounting bottom plate and is fixedly connected relative to the mounting bottom plate; the material guide pipe is vertically arranged on the lower surface of the blanking fixing plate, and the material guide pipe and the blanking hole of the mounting bottom plate are coaxially arranged; the blanking block is arranged at the middle position of the blanking fixed plate and the mounting bottom plate, a through hole is formed in the middle of the blanking block, the blanking cylinder is arranged on one side of the blanking block, the end part of a driving rod of the blanking cylinder is fixedly connected with the blanking block, the blanking block is driven to transversely slide in a reciprocating manner through the telescopic action of the blanking cylinder, and then the through hole of the blanking block and the blanking hole of the mounting bottom plate are driven to be switched in a coaxial or dislocation state.

As an improvement of the utility model, a vertical plate for fixedly supporting a cigarette conveying mechanism is arranged in the frame box, the cigarette conveying mechanism comprises a receiving component and a push rod component, the receiving component is used for receiving cigarettes falling from the material guide pipe, the push rod component is used for pushing out the cigarettes in the receiving component to the circumferential conveying mechanism, and the receiving component and the push rod component are connected to the vertical plate.

According to the utility model, the material receiving assembly comprises a material receiving motor, a blanking connecting piece and a blanking pipe, wherein the material receiving motor is fixed on the rear side surface of the vertical plate, a driving shaft of the material receiving motor penetrates through the vertical plate, the end part of the driving shaft of the material receiving motor is fixedly connected with the blanking connecting piece, the blanking pipe is fixedly connected with the blanking connecting piece, a hollow cavity structure with one open end is arranged in the blanking pipe, a slit with an opening penetrating up and down is formed in the side surface of the blanking pipe along the length direction, the blanking pipe is driven to swing within a 90-degree rotation angle range through rotation of the material receiving motor, when the blanking pipe rotates below the material guiding pipe, cigarettes falling through the material guiding pipe enter the hollow cavity of the blanking pipe through the opening of the blanking pipe, then the blanking pipe is driven to swing and rotate by 90 degrees through the material receiving motor until the blanking pipe is horizontally arranged, and the cigarettes in the blanking pipe are in a waiting pushing state.

As a further improvement of the utility model, the push rod assembly comprises a push rod, a push rod sliding block, a push rod guide rail, a push rod motor and a push rod synchronous belt assembly, wherein the push rod is used for being matched with the blanking pipe to realize the pushing action of cigarettes, the lower end part of the push rod is provided with a pushing part matched with an opening gap, the push rod guide rail is transversely fixed on the front side surface of the vertical riser, the push rod sliding block is connected on the push rod guide rail in a sliding way, and the push rod sliding block is fixedly connected with the upper end part of the push rod; the push rod synchronous belt assembly comprises two groups of synchronous wheels and a synchronous belt, wherein the two groups of synchronous wheels are positioned at the same horizontal position, one group of synchronous wheels are arranged on the rear side surface of the vertical plate, the synchronous wheels keep a free rotation state, the other group of synchronous wheels are fixedly connected with a driving shaft of a push rod motor, the push rod motor is fixed on the rear side surface of the vertical plate, and the synchronous belt is in transmission connection with the two groups of synchronous wheels; the push rod sliding block is connected to one side edge of the synchronous belt connecting plate, the opposite side edge of the synchronous belt connecting plate is fixedly connected to the synchronous belt, the synchronous belt is driven to rotate through the push rod motor, the push rod sliding block is driven to linearly displace along the push rod guide rail, and then the push rod connected with the push rod sliding block is driven to move in the horizontal direction.

As a further improvement of the utility model, the circumference carrying mechanism comprises a carrying motor and a rotary carrying arm, wherein the carrying motor is fixed on the bottom surface of the inner side of the frame box through a motor mounting plate, the two ends of the rotary carrying arm are respectively provided with a connecting part and a carrying part, the connecting part of the rotary carrying arm is fixed on the end part of a driving shaft of the carrying motor, the carrying part of the rotary carrying arm is provided with an arc bearing surface, the arc bearing surface is provided with an air hole, the middle part of the rotary carrying arm is provided with an air passage communicated with the air hole, the central end surface of the connecting part is provided with an installation air hole connected with an external air source, and the installation air hole is communicated with the air passage.

As a further improvement of the utility model, the measuring mechanism comprises a fixed platform, rollers, a measuring motor and a parallel light source, wherein the fixed platform comprises a fixed bottom plate and two groups of supporting side plates which are oppositely arranged, the two groups of supporting side plates are fixedly connected to the fixed bottom plate, the two groups of rollers are arranged at the middle positions of the two groups of supporting side plates, and the two groups of rollers are arranged in parallel; the outer side surface of one group of supporting side plates is provided with a first synchronous wheel and a second synchronous wheel, the first synchronous wheel is connected to the end part of one group of rolling shafts, the second synchronous wheel is connected to the supporting side plates, the measuring motor is positioned at the side of the rolling shafts and fixed on the fixed bottom plate, the driving shaft of the measuring motor is provided with a third synchronous wheel, and the first synchronous wheel, the second synchronous wheel and the third synchronous wheel are driven by the same synchronous belt; the outer side surface of the opposite side supporting side plate is provided with a fourth synchronous wheel and a fifth synchronous wheel, wherein the fourth synchronous wheel is connected with the end part of the other group of rolling shafts, the fifth synchronous wheel is connected to the opposite side supporting side plate, the opposite side supporting side plate is provided with a tensioning belt wheel, and the fourth synchronous wheel, the fifth synchronous wheel and the tensioning belt wheel are driven by the same synchronous belt; the parallel light source is positioned right below the middle gap of the two groups of rollers, and the illumination direction of the parallel light source faces to the gap position of the two groups of rollers.

As a further improvement of the utility model, the measuring mechanism comprises a shield assembly, wherein the shield assembly is arranged on a fixed bottom plate, the shield assembly comprises a shield, a shield mounting seat, a shield connecting slide block, a shield guide rail, a shield fixing block and a shield lead screw motor, the shield lead screw motor adopts a through linear stepping motor, the shield lead screw motor is fixed on the fixed bottom plate through the shield mounting seat, the shield fixing block is of an L-shaped structure, the shorter part of the shield fixing block is fixedly connected with the shield lead screw motor, the longer part surface of the shield fixing block is fixedly connected with the shield guide rail, the sliding direction of the shield guide rail is parallel to the axis of a roller, the shield connecting slide block is connected onto the shield guide rail in a sliding manner, the shield connecting slide block is connected with the end part of a lead screw of the shield lead screw motor, and the shield connecting slide block is driven by the shield lead screw motor to slide along the shield guide rail; the shielding plate is positioned above the two groups of rollers, and one side of the shielding plate is fixedly connected with the shielding plate connecting sliding block.

As a further improvement of the utility model, a fixed laminate for fixing the sampling mechanism is arranged above the measuring mechanism in the frame box, the sampling mechanism comprises a camera, a lens, clamping blocks, a lens fixing vertical plate and an annular light source, the lens fixing vertical plate is fixedly connected to the fixed laminate, the lens is clamped and fixedly connected to the lens fixing vertical plate through a pair of clamping blocks, the upper end of the lens is connected with the camera, the lower end of the lens penetrates through the fixed laminate and extends to the lower surface of the fixed laminate, the annular light source is coaxially arranged at the lower end position of the lens, and the annular light source is fixedly connected to the lower surface of the fixed laminate through a light source connecting plate.

With such a design, the utility model has at least the following advantages:

(1) According to the cigarette segmentation physical parameter detection device, automatic input and sorting of cigarettes are achieved through the cigarette separator mechanism, the cigarette conveying state is changed, the cigarettes vertically fall into the cigarette conveying mechanism, and are conveyed to the measuring mechanism through automatic conveying of the cigarette conveying mechanism and the circumference conveying mechanism, so that photographing is completed through the sampling mechanism, and after photographing is completed, the cigarettes can be automatically taken down and collected to the cigarette recovery box through the circumference conveying mechanism.

(2) According to the cigarette segmentation physical parameter detection device, the intermittent falling of cigarettes can be ensured through the blanking control mechanism, so that cigarettes are ensured to be transported through the cigarette conveying mechanism and the circumference carrying mechanism in sequence in the cigarette detection process, the cigarettes are ensured to be intermittently placed in the measuring mechanism according to a certain frequency in the detection process, and the continuous and uninterrupted detection process can be ensured.

Drawings

The foregoing is merely an overview of the present utility model, and the present utility model is further described in detail below with reference to the accompanying drawings and detailed description.

Fig. 1 is a schematic diagram of the overall structure of a device for detecting physical parameters of a cigarette segment in an embodiment of the utility model.

Fig. 2 is a schematic side view of a physical parameter detecting device for a cigarette segment in an embodiment of the utility model.

Fig. 3 is a schematic diagram of assembly positions of structures inside a device for detecting physical parameters of a cigarette segment in an embodiment of the present utility model.

Fig. 4 is a schematic view of the overall structure of the smoke separator mechanism in an embodiment of the utility model.

Fig. 5 is a schematic rear view of a smoke dispenser mechanism according to an embodiment of the utility model.

Fig. 6 is a schematic view of an exploded construction of a smoke separator mechanism in an embodiment of the utility model.

Fig. 7 is a schematic view of the structure of the smoke separator plate in the smoke separator mechanism according to the embodiment of the utility model.

Fig. 8 is a schematic diagram of the overall structure of the blanking control mechanism in the embodiment of the present utility model.

Fig. 9 is a schematic view of a front side axial structure of a cigarette conveying mechanism according to an embodiment of the present utility model.

Fig. 10 is a schematic view of a rear side axial structure of the cigarette conveying mechanism in the embodiment of the present utility model.

Fig. 11 is a schematic view of a receiving assembly under a blanking control mechanism according to an embodiment of the present utility model.

Fig. 12 is a schematic structural view of a circumferential handling mechanism according to an embodiment of the present utility model.

Fig. 13 is a schematic view of an internal cross-section of a rotary arm in accordance with an embodiment of the utility model.

Fig. 14 is a schematic view showing the overall structure of the measuring mechanism in the embodiment of the present utility model.

Fig. 15 is a schematic view of the structure of the measuring mechanism according to the embodiment of the present utility model in a state where the measuring motor is not included.

Fig. 16 is a schematic view of a shutter assembly in a measurement mechanism according to an embodiment of the present utility model.

Fig. 17 is a schematic diagram of the overall structure of a sampling mechanism according to an embodiment of the present utility model.

Fig. 18 is a schematic front view of a sampling mechanism according to an embodiment of the present utility model.

Meaning of reference numerals in the drawings:

1. A housing case; 2. a smoke separator structure; 201. a supporting vertical plate; 2011. a guide groove; 202. a smoke separating baffle; 2021. a smoke guide chute; 203. a loading plate; 2031. a feeding hole; 204. a back cover plate; 205. a feeding motor; 206. a feeding driving disc; 207. a bearing boss; 208. a smoke guide body; 2081. a vertical smoke guiding groove; 209. a storage bin; 3. a blanking control mechanism; 301. a blanking fixing plate; 302. a blanking block; 303. a blanking cylinder; 304. a material guiding pipe; 4. an optical fiber switch module; 5. a cigarette conveying mechanism; 5A, a push rod assembly; 5B, a material receiving assembly; 501. a push rod motor; 502. a synchronizing wheel; 503. a synchronous belt connecting plate; 504. a push rod sliding block; 505. a push rod guide rail; 506. a push rod; 507. a pushing part; 508. a material receiving motor; 509. blanking connecting pieces; 510. a blanking pipe; 511. an opening slit; 6. a circumference carrying mechanism; 601. a carrying motor; 602. a motor mounting plate; 603. rotating the carrying arm; 6031. a connection part; 6032. a carrying section; 604. installing an air hole; 605. an air passage; 606. air holes; 7. a measuring mechanism; 701. supporting the side plates; 702. a fixed bottom plate; 703. a roller; 704. a first synchronizing wheel; 705. a second synchronizing wheel; 706. a third synchronizing wheel; 707. measuring a motor; 708. a shutter assembly; 7081. a shutter lead screw motor; 7082. a shutter mounting seat; 7083. a shutter fixing block; 7084. the shielding plate is connected with the sliding block; 7085. a shutter rail; 7086. a shutter; 709. a fourth synchronizing wheel; 710. tensioning the belt pulley; 711. a fifth synchronizing wheel; 712. a parallel light source; 8. a sampling mechanism; 801. fixing the laminate; 802. a lens fixing vertical plate; 803. clamping blocks; 804. a lens; 805. a camera; 806. an annular light source; 9. a cigarette recovery box; 10. a vertical riser; 11. a computer device; 12. a mounting base plate; 1201. a blanking hole; 13. and recovering the mouth.

Detailed Description

Examples of embodiments of the utility model are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements throughout, or elements having like or similar functionality. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of the two parts. It will be understood by those of ordinary skill in the art that the terms described above are in the specific sense of the present utility model.

As shown in fig. 1 to 3, this embodiment provides a device for detecting physical parameters of a cigarette filter stick based on machine vision, which includes a frame box 1, a cigarette separator mechanism 2 for inputting cigarettes, a blanking control mechanism 3 for controlling the output of the cigarettes by the cigarette separator mechanism 2, a cigarette conveying mechanism 5 for conveying the cigarettes, a circumference conveying mechanism 6 for conveying the cigarettes of the cigarette conveying mechanism 5 to a measuring mechanism 7, a measuring mechanism 7 for carrying the cigarettes to be detected, and a sampling mechanism 8 for sampling images of the cigarettes to be detected.

Specifically, in this embodiment, the rack box 1 is a rectangular hollow box structure, an installation bottom plate 12 is provided in the rack box 1, the smoke separator mechanism 2 is installed above the installation bottom plate 12, as shown in fig. 4-7, the smoke separator mechanism 2 includes an installation bottom plate 12, a smoke collecting pipe, a smoke separating partition 202, a back cover plate 204, a feeding plate 203, a feeding driving plate 206 and a feeding motor 205, a bin 209 is provided at the upper part of the smoke collecting pipe, the bin 209 is fixed on the installation bottom plate 12 through two sets of support vertical plates 201 which are oppositely arranged, guide slots 2011 are respectively provided on opposite sides of the two sets of support vertical plates 201 in the smoke collecting pipe, two sides of the feeding plate 203 are respectively installed in the guide slots 2011, and the feeding plate 203 freely slides along the length direction of the guide slots 2011; the feeding plate 203 is tightly attached to the rear side opening of the bin 209, and a strip-shaped feeding hole 2031 is formed in the surface of the feeding plate 203; the cigarette separating partition plate 202 is arranged at the rear side of the feeding plate 203, the rear cover plate 204 is closely connected to the rear side of the cigarette separating partition plate 202, and a cigarette guiding chute 2021 for changing cigarettes from transverse to vertical is arranged in the middle of the cigarette separating partition plate 202 and the rear cover plate 204; in order to drive the feeding plate 203 to slide reciprocally, a driving plate mounting groove is provided on the front side of the smoke separation plate 202, the feeding driving plate 206 is rotatably mounted in the driving plate mounting groove, the feeding motor 205 is fixed on the rear side of the smoke separation plate 202, the driving shaft of the feeding motor 205 penetrates through the smoke separation plate 202, the end of the driving shaft is fixedly connected with the center of the feeding driving plate 206, a bearing protrusion 207 for abutting against the lower edge of the feeding plate 203 is provided on the edge of the feeding driving plate 206, when the feeding motor 205 drives the feeding driving plate 206 to rotate, the bearing protrusion 207 moves upwards to jack up the feeding plate 203, when the bearing protrusion 207 moves downwards, the feeding plate 203 slides downwards under the action of dead weight, when the feeding plate 203 is in the lower limit position of displacement, cigarettes in the hopper enter the feeding holes 2031, the feeding holes 2031 drive the cigarettes to move upwards along with the feeding plate 203, and when the feeding plate 203 reaches the upper limit position of displacement, the cigarettes in the feeding holes 2031 fall into the guide chute between the smoke separation plate 202 and the rear cover plate 2021. Still further, in this embodiment, a smoke guiding body 208 including a vertical smoke guiding groove 2081 is further disposed at a side position of the smoke separating plate 202, the smoke guiding body 208 is fixedly disposed on the mounting base plate 12, and a blanking hole 1201 is disposed on the mounting base plate 12 corresponding to the vertical smoke guiding groove 2081, when a cigarette falls into the vertical smoke guiding groove 2081 from the smoke guiding groove 2021, the cigarette is changed from a horizontal state to a vertical state, and the cigarette enters the blanking control mechanism 3 below through the blanking hole 1201.

Further, referring to fig. 8, in this embodiment, the blanking control mechanism 3 includes a blanking cylinder 303, a blanking block 302, a blanking fixing plate 301, and a material guiding pipe 304, where the blanking fixing plate 301 is located below the mounting base plate 12, and the blanking fixing plate 301 is fixedly connected with respect to the mounting base plate 12; the material guiding pipe 304 is vertically arranged on the lower surface of the blanking fixing plate 301, and the material guiding pipe 304 and the blanking hole 1201 of the mounting bottom plate 12 are coaxially arranged; the blanking block 302 is arranged at the middle position of the blanking fixed plate 301 and the mounting bottom plate 12, a through hole is formed in the middle of the blanking block 302, the blanking cylinder 303 is arranged at one side of the blanking block 302, the end portion of a driving rod of the blanking cylinder 303 is fixedly connected with the blanking block 302, the blanking block 302 is driven to transversely slide in a reciprocating mode through the telescopic action of the blanking cylinder 303, and then the through hole of the blanking block 302 and the blanking hole 1201 of the mounting bottom plate 12 are driven to be switched in a coaxial or dislocation state, so that cigarette blanking control is achieved.

Further, after the blanking control mechanism 3 controls the cigarettes to fall through the material guiding pipe 304, the cigarette conveying mechanism 5 is further arranged below the material guiding pipe 304, and in this embodiment, the vertical plate 10 for fixedly supporting the cigarette conveying mechanism 5 is arranged inside the frame box 1, so that the cigarettes can be conveyed downwards further through the cigarette conveying mechanism 5. Referring to fig. 9-11, in this embodiment, the cigarette conveying mechanism 5 includes a receiving component 5B and a pushing rod component 5A, where the receiving component 5B is used to receive a cigarette dropped from the material guiding pipe 304, and the pushing rod component 5A is used to push out the cigarette in the receiving component 5B to the circumferential conveying mechanism 6.

Referring to fig. 9-11, the receiving assembly 5B includes a receiving motor 508, a blanking connector 509, and a blanking tube 510, where the receiving motor 508 is fixed on a rear side of the vertical riser 10, and a driving shaft of the receiving motor 508 penetrates through the vertical riser 10, and a driving shaft end of the receiving motor 508 is fixedly connected with the blanking connector 509, the blanking tube 510 is fixedly connected to the blanking connector 509, a hollow cavity structure with an open end is disposed inside the blanking tube 510, and a slit 511 with an opening penetrating up and down is disposed on a side surface of the blanking tube 510 along a length direction, the blanking tube 510 is driven to swing within a rotation angle range of 90 ° by rotation of the receiving motor 508, when the blanking tube 510 rotates below the guide tube 304, cigarettes falling down via the guide tube 304 can enter the hollow cavity of the blanking tube 510, and then the blanking tube 510 is driven to swing by 90 ° under the driving of the receiving motor 508 until the blanking tube 510 is horizontally placed, and at this time, the cigarettes in the blanking tube 510 are in a waiting pushing state.

Referring to fig. 9-11, the push rod assembly 5A includes a push rod 506, a push rod slider 504, a push rod guide rail 505, a push rod motor 501, and a push rod timing belt assembly, where the push rod 506 is used to cooperate with the blanking pipe 510 to realize a pushing action of cigarettes, a pushing portion 507 cooperating with an opening gap 511 is provided at a lower end of the push rod 506, the push rod guide rail 505 is transversely fixed on a front side of the vertical riser 10, the push rod slider 504 is slidably connected to the push rod guide rail 505, and the push rod slider 504 is fixedly connected to an upper end of the push rod 506; the push rod synchronous belt assembly comprises two groups of synchronous wheels 502 and a synchronous belt, the two groups of synchronous wheels 502 are positioned at the same horizontal position, one group of synchronous wheels 502 is arranged on the rear side surface of the vertical plate 10, the synchronous wheels 502 keep a free rotation state, the other group of synchronous wheels 502 are fixedly connected with a driving shaft of a push rod motor 501, the push rod motor 501 is fixed on the rear side surface of the vertical plate 10, and the synchronous belt is connected with the two groups of synchronous wheels 502; meanwhile, the push rod slide block 504 is connected with one side edge of the synchronous belt connecting plate 503, the opposite side edge of the synchronous belt connecting plate 503 is fixedly connected to the synchronous belt, and the synchronous belt is driven to rotate by the push rod motor 501, so that the push rod slide block 504 can be driven to linearly displace along the push rod guide rail 505, and the push rod 506 connected with the push rod slide block 504 is driven to move in the horizontal direction.

In this embodiment, in order to avoid the vertical plate 10 interfering with the displacement of the synchronous belt connecting plate 503, a bar-shaped displacement hole is provided on the vertical plate 10, and when the synchronous belt connecting plate 503 moves laterally, the synchronous belt connecting plate 503 can move in the bar-shaped displacement hole.

It should be noted that, in this embodiment, an optical fiber switch module 4 is further disposed below the material guiding tube 304, as shown in fig. 9, the optical fiber switch module 4 may detect a state of a falling cigarette in the material guiding tube 304, and when the cigarette passes through the optical fiber switch module 4, a control signal is triggered once, and the control signal may be used to control the material guiding cylinder 303 of the material guiding mechanism 3 to stretch and retract, so as to control the cigarette in the material guiding tube 304 to fall intermittently.

In more detail, as shown in fig. 12 and 13, the circumferential handling mechanism 6 in this embodiment includes a handling motor 601 and a rotating handling arm 603, the handling motor 601 is fixed to the inner bottom surface of the rack box 1 through a motor mounting plate 602, two ends of the rotating handling arm 603 are respectively provided with a connecting portion 6031 and a handling portion 6032, the connecting portion 6031 of the rotating handling arm 603 is fixed to the end portion of the driving shaft of the handling motor 601, the handling portion 6032 of the rotating handling arm 603 is provided with an arc bearing surface, an air hole 606 is formed in the arc bearing surface, an air passage 605 communicating with the air hole 606 is formed in the middle of the rotating handling arm 603, a mounting air hole 604 connected with an external air source is formed in the central end surface of the connecting portion 6031, the mounting air hole 604 is communicated with the air passage 605, and the air hole 606 of the circular arc bearing surface in the rotating handling arm 603 is blown or sucked through the external air source, when the cigarette is placed on the circular arc bearing surface of the handling portion 6032, and the cigarette can be fixed to or separated from the circular arc bearing surface through the air hole 606 or sucked in order to realize stable handling.

Further, in this embodiment, the measuring mechanism 7 is used as a main body detecting device of the physical parameter detecting device for a cigarette filter rod, as shown in fig. 14 and 15, and specifically includes a fixed platform, rollers 703, a measuring motor 707 and a parallel light source 712, where the fixed platform includes a fixed bottom plate 702 and two sets of oppositely arranged supporting side plates 701, the two sets of supporting side plates 701 are fixedly connected to the fixed bottom plate 702, the two sets of rollers 703 are installed in the middle positions of the two sets of supporting side plates 701, and the two sets of rollers 703 are parallel; the outer side surface of one group of supporting side plates 701 is provided with a first synchronous wheel 704 and a second synchronous wheel 705, the first synchronous wheel 704 is connected to the end part of one group of rolling shafts 703, the second synchronous wheel 705 is connected to the supporting side plates 701, the measuring motor 707 is positioned at the side of the rolling shafts 703, the measuring motor 707 is fixed on the fixed bottom plate 702, a driving shaft of the measuring motor 707 is provided with a third synchronous wheel 706, and the first synchronous wheel 704, the second synchronous wheel 705 and the third synchronous wheel 706 are driven by the same synchronous belt; the outer side surface of the opposite side supporting side plate 701 is provided with a fourth synchronizing wheel 709 and a fifth synchronizing wheel 711, wherein the fourth synchronizing wheel 709 is connected to the end part of the other group of rollers 703, the fifth synchronizing wheel 711 is connected to the opposite side supporting side plate 701, meanwhile, the opposite side supporting side plate 701 is also provided with a tensioning belt wheel 710, and the fourth synchronizing wheel 709, the fifth synchronizing wheel 711 and the tensioning belt wheel 710 adopt the same synchronous belt transmission. The parallel light source 712 is located right below the middle gap of the two sets of rollers 703, and the illumination direction of the parallel light source 712 faces the gap position of the two sets of rollers 703.

Further, in this embodiment, the measuring mechanism 7 further includes a shutter assembly 708, as shown in fig. 16, where the shutter assembly 708 is mounted on the fixed bottom plate 702, and the shutter assembly 708 includes a shutter 7086, a shutter mounting seat 7082, a shutter connecting slider 7084, a shutter guide rail 7085, a shutter fixing block 7083, and a shutter screw motor 7081, where the shutter screw motor 7081 employs a through linear stepping motor, the shutter screw motor 7081 is fixed on the fixed bottom plate 702 through the shutter mounting seat 7082, the shutter fixing block 7083 has an L-shaped structure, and a shorter portion of the shutter fixing block 7083 is fixedly connected with the shutter screw motor 7081, a longer portion surface of the shutter fixing block 7083 is fixedly connected with the shutter guide rail 7085, a sliding direction of the shutter guide rail 7085 is parallel to an axis of the roller 703, the shutter connecting slider 7084 is slidably connected with the shutter guide rail 7085, and the shutter connecting slider 7084 is connected with an end portion of the shutter screw motor 7081, and the shutter guide rail 7081 can be driven by the screw motor 7081 to slide along the shutter guide rail 7085; the shielding plate 7086 is located above the two sets of rollers 703, and one side of the shielding plate 7086 is fixedly connected with the shielding plate connecting sliding block 7084. In this embodiment, the parallel light source 712 can be shielded in the cigarette detection process by the shielding plate 7086, and the shielding plate 7086 is driven to move laterally by the shielding plate connecting sliding block 7084 driven by the shielding plate lead screw motor 7081, so that the shielding plate 7086 can adapt to cigarette measurement with different lengths.

The sampling mechanism 8 for sampling images is disposed right above the measuring mechanism 7, as shown in fig. 17 and 18, a fixed laminate 801 for fixing the sampling mechanism 8 is disposed above the measuring mechanism 7 in the chassis box 1, in this embodiment, the sampling mechanism 8 includes a camera 805, a lens 804, a clamp block 803, a lens fixing riser 802, and a ring-shaped light source 806, the lens fixing riser 802 is fixedly connected to the fixed laminate 801, the lens 804 is clamped and fixedly connected to the lens fixing riser 802 by a pair of clamp blocks 803, the upper end of the lens 804 is connected to the camera 805, the lower end of the lens 804 penetrates through the fixed laminate 801 and extends to the lower surface of the fixed laminate 801, the ring-shaped light source 806 is coaxially disposed at the lower end of the lens 804, and the ring-shaped light source 806 is fixedly connected to the lower surface of the fixed laminate 801 by a light source connecting plate.

To be more specific, in this embodiment, in order to ensure that the circumferential conveying mechanism 6 can continuously convey cigarettes between the cigarette conveying mechanism 5 and the measuring mechanism 7, when the rotating conveying arm 603 of the circumferential conveying mechanism 6 conveys cigarettes between the two, it is necessary to ensure that when the conveying portion 6032 of the rotating conveying arm 603 is positioned at the position of the cigarette conveying mechanism 5, the circular arc bearing surface of the conveying portion 6032 is flush with the blanking tube 510, so that the conveying portion 6032 can stably receive cigarettes in the blanking tube 510; when the carrying portion 6032 of the rotary carrying arm 603 is located at the position of the measuring mechanism 7, it is necessary to ensure that the carrying portion 6032 is located directly above the gap between the two sets of rollers 703, so as to ensure that the cigarettes on the carrying portion 6032 fall between the two sets of rollers 703.

Specifically, the device for detecting the physical parameters of the cigarette segments in the embodiment comprises the following working steps: when the cigarette feeding device is used, cigarettes are firstly put in the storage hopper 209, the cigarettes are changed into a vertical standing state from a horizontal placement state under the operation of the cigarette separator mechanism 2 and pass through the blanking hole 1201 of the mounting bottom plate 12, at the moment, the blanking pipe 510 in the cigarette feeding mechanism 5 is in a vertical state under the driving of the receiving motor 508, namely, at the moment, the blanking pipe 510 is positioned under the material guiding pipe 304, and meanwhile, all parts of the push rod assembly 5A are positioned at the left limit position of the push rod guide rail 505; when the cigarettes fall into the blanking tube 510 from the material guiding tube 304, the material receiving motor 508 drives the blanking tube 510 to rotate 90 degrees, at this time, the blanking tube 510 becomes a horizontal state, then the push rod motor 501 in the push rod assembly 5A drives the synchronous belt to rotate and drives the push rod sliding block 504 to linearly displace along the push rod guide rail 505, and further drives the push rod 506 connected with the push rod sliding block 504 to translate rightwards, in this process, the pushing part 507 of the push rod 506 enters the opening gap 511 of the blanking tube 510 and pushes out the cigarettes in the blanking tube 510; at this time, the rotating carrying arm 603 of the circumferential carrying mechanism 6 will rotate to the position of the blanking tube 510 in advance, when the pushing portion 507 of the push rod 506 pushes the cigarettes in the blanking tube 510 out to the arc carrying surface of the carrying portion 6032 completely, the external air source sucks air, so that the cigarettes are adsorbed on the arc carrying surface, then the carrying motor 601 drives the rotating carrying arm 603 to rotate 180 degrees, so that the carrying portion 6032 of the rotating carrying arm 603 is located right above the two groups of rollers 703, the external air source stops sucking air or blowing air, so that the cigarettes are separated from the arc carrying surface and fall to the intermittent positions of the two groups of rollers 703, and at this time, the cigarettes complete the conveying process.

When the cigarette is conveyed, the cigarette is positioned in the gap between the two rollers 703 in the measuring mechanism 7, the rollers 703 are driven to rotate by the measuring motor 707 to drive the cigarette to rotate slowly, the camera 805 can shoot an image of the cigarette, and meanwhile, the parallel light source 712 and the annular light source 806 are utilized to irradiate light on the cigarette so as to shoot a picture meeting the definition requirement, and the picture is sent into the computer equipment 11 at the top of the frame box 1 for image processing, so that cigarette parameters such as the length, the diameter, the internal sectional length and the like of the current cigarette are obtained.

When the detection is completed, the rotary carrying arm 603 of the circumferential carrying mechanism 6 rotates to the position right above the two groups of rollers 703 again, cigarettes carried on the two groups of rollers 703 are adsorbed to the arc carrying surface, and then rotate anticlockwise to the position below the cigarette conveying mechanism 5, and as the recovery port 13 is arranged at the bottom of the frame box 1 and the cigarette recovery box 9 is arranged below the recovery port 13, at the moment, cigarettes on the arc carrying surface are blown through the air holes 606, so that the cigarettes are separated from the arc carrying surface and fall into the cigarette recovery box 9, and the cigarette recovery is completed; then the rotary carrying arm 603 is reset to the position flush with the cigarette conveying mechanism 5 to receive the next cigarette, and the next detection process is started.

The above description is only of the preferred embodiments of the present utility model, and is not intended to limit the utility model in any way, and some simple modifications, equivalent variations or modifications can be made by those skilled in the art using the teachings disclosed herein, which fall within the scope of the present utility model.

Claims

1. The cigarette segmentation physical parameter detection device based on machine vision is characterized by comprising a frame box, a cigarette distributor mechanism for cigarette input, a blanking control mechanism for controlling cigarettes to be output by the cigarette distributor mechanism, a cigarette conveying mechanism for conveying cigarettes, a circumference conveying mechanism for conveying cigarettes of the cigarette conveying mechanism to a measuring mechanism, a measuring mechanism for bearing cigarettes to be detected and a sampling mechanism for sampling images of the cigarettes to be detected;

2. The device for detecting the physical parameters of the segments of cigarettes according to claim 1, wherein the cigarette divider mechanism comprises a tobacco collecting pipe, a cigarette dividing partition plate, a rear cover plate, a feeding driving disc and a feeding motor, wherein a storage bin is arranged at the upper part of the tobacco collecting pipe and is fixed on a mounting bottom plate through two groups of supporting vertical plates which are oppositely arranged, guide grooves are respectively arranged on opposite side surfaces of the two groups of supporting vertical plates in the tobacco collecting pipe, two side edges of the feeding plate are respectively arranged in the guide grooves, and the feeding plate freely slides along the length direction of the guide grooves; the feeding plate is closely attached to the rear side opening of the storage bin, and a strip-shaped feeding hole is formed in the surface of the feeding plate; the cigarette separating partition plate is arranged at the rear side of the feeding plate, the rear cover plate is closely connected to the rear side of the cigarette separating partition plate, and a cigarette guiding chute for changing cigarettes from transverse to vertical is arranged in the middle of the cigarette separating partition plate and the rear cover plate; the front side of the smoke separation baffle is provided with a driving disc mounting groove, the feeding driving disc is rotatably arranged in the driving disc mounting groove, the feeding motor is fixed on the rear side surface of the smoke separation baffle, a driving shaft of the feeding motor penetrates through the smoke separation baffle, the end part of the driving shaft is fixedly connected with the center of the feeding driving disc, and the edge of the feeding driving disc is provided with a bearing bulge for abutting against the lower edge of the feeding plate; the side position of divide cigarette baffle is equipped with the cigarette body that includes vertical smoke guide groove, the cigarette body is fixed to be installed on mounting plate, just the last position that corresponds vertical smoke guide groove of mounting plate is equipped with the blanking hole, when the cigarette falls into vertical smoke guide groove by the smoke guide spout, the cigarette changes to vertical state by horizontal state, and the cigarette gets into blanking control mechanism via the blanking hole.

3. The device for detecting physical parameters of a cigarette segment according to claim 2, wherein the blanking control mechanism comprises a blanking cylinder, a blanking block, a blanking fixing plate and a material guiding pipe, wherein the blanking fixing plate is positioned below the mounting bottom plate and is fixedly connected relative to the mounting bottom plate; the material guide pipe is vertically arranged on the lower surface of the blanking fixing plate, and the material guide pipe and the blanking hole of the mounting bottom plate are coaxially arranged; the blanking block is arranged at the middle position of the blanking fixed plate and the mounting bottom plate, a through hole is formed in the middle of the blanking block, the blanking cylinder is arranged on one side of the blanking block, the end part of a driving rod of the blanking cylinder is fixedly connected with the blanking block, the blanking block is driven to transversely slide in a reciprocating manner through the telescopic action of the blanking cylinder, and then the through hole of the blanking block and the blanking hole of the mounting bottom plate are driven to be switched in a coaxial or dislocation state.

4. The device for detecting the physical parameters of the segments of cigarettes according to claim 3, wherein a vertical plate for fixedly supporting the cigarette conveying mechanism is arranged inside the frame box, the cigarette conveying mechanism comprises a receiving assembly and a pushing rod assembly, the receiving assembly is used for receiving cigarettes falling from the material guiding pipe, the pushing rod assembly is used for pushing out the cigarettes in the receiving assembly to the circumference conveying mechanism, and the receiving assembly and the pushing rod assembly are connected to the vertical plate.

5. The device for detecting the physical parameters of the segments of cigarettes according to claim 4, wherein the receiving assembly comprises a receiving motor, a blanking connecting piece and a blanking pipe, wherein the receiving motor is fixed on the rear side face of the vertical plate, a driving shaft of the receiving motor penetrates through the vertical plate, the end part of the driving shaft of the receiving motor is fixedly connected with the blanking connecting piece, the blanking pipe is fixedly connected to the blanking connecting piece, a hollow cavity structure with one open end is arranged in the blanking pipe, a slit which penetrates vertically and is long and narrow is formed in the side surface of the blanking pipe along the length direction, the blanking pipe is driven to swing within a 90-degree rotation angle range through rotation of the receiving motor, cigarettes falling down through the blanking pipe enter the hollow cavity of the blanking pipe through the opening of the blanking pipe when the blanking pipe rotates below the guiding pipe, and then the blanking pipe swings by 90 degrees under the driving of the receiving motor until the blanking pipe is horizontally arranged, and the cigarettes in the blanking pipe are in a waiting state when the blanking pipe is pushed out.

6. The device for detecting the physical parameters of the cigarette segment according to claim 5, wherein the push rod assembly comprises a push rod, a push rod sliding block, a push rod guide rail, a push rod motor and a push rod synchronous belt assembly, the push rod is used for being matched with the blanking pipe to realize the pushing action of the cigarette, the lower end part of the push rod is provided with a pushing part matched with an opening gap, the push rod guide rail is transversely fixed on the front side surface of the vertical plate, the push rod sliding block is slidingly connected on the push rod guide rail, and the push rod sliding block is fixedly connected with the upper end part of the push rod; the push rod synchronous belt assembly comprises two groups of synchronous wheels and a synchronous belt, wherein the two groups of synchronous wheels are positioned at the same horizontal position, one group of synchronous wheels are arranged on the rear side surface of the vertical plate, the synchronous wheels keep a free rotation state, the other group of synchronous wheels are fixedly connected with a driving shaft of a push rod motor, the push rod motor is fixed on the rear side surface of the vertical plate, and the synchronous belt is connected with the two groups of synchronous wheels; the push rod sliding block is connected to one side edge of the synchronous belt connecting plate, the opposite side edge of the synchronous belt connecting plate is fixedly connected to the synchronous belt, the synchronous belt is driven to rotate through the push rod motor, the push rod sliding block is driven to linearly displace along the push rod guide rail, and then the push rod connected with the push rod sliding block is driven to move in the horizontal direction.

7. The cigarette segment physical parameter detecting device according to any one of claims 1 to 6, wherein the circumferential handling mechanism comprises a handling motor and a rotary handling arm, the handling motor is fixed on the bottom surface of the inner side of the frame box through a motor mounting plate, two ends of the rotary handling arm are respectively provided with a connecting portion and a handling portion, the connecting portion of the rotary handling arm is fixed on the end portion of a driving shaft of the handling motor, the handling portion of the rotary handling arm is provided with an arc bearing surface, an air hole is formed in the arc bearing surface, an air passage communicated with the air hole is formed in the middle of the rotary handling arm, an installation air hole connected with an external air source is formed in the center end face position of the connecting portion, and the installation air hole is communicated with the air passage.

8. The device for detecting physical parameters of a cigarette segment according to any one of claims 1 to 6, wherein the measuring mechanism comprises a fixed platform, rollers, a measuring motor and a parallel light source, wherein the fixed platform comprises a fixed bottom plate and two sets of oppositely arranged supporting side plates, the two sets of supporting side plates are fixedly connected to the fixed bottom plate, the two sets of rollers are arranged at the middle positions of the two sets of supporting side plates, and the two sets of rollers are arranged in parallel; the outer side surface of one group of supporting side plates is provided with a first synchronous wheel and a second synchronous wheel, the first synchronous wheel is connected to the end part of one group of rolling shafts, the second synchronous wheel is connected to the supporting side plates, the measuring motor is positioned at the side of the rolling shafts and fixed on the fixed bottom plate, the driving shaft of the measuring motor is provided with a third synchronous wheel, and the first synchronous wheel, the second synchronous wheel and the third synchronous wheel are driven by the same synchronous belt; the outer side surface of the opposite side supporting side plate is provided with a fourth synchronous wheel and a fifth synchronous wheel, wherein the fourth synchronous wheel is connected with the end part of the other group of rolling shafts, the fifth synchronous wheel is connected to the opposite side supporting side plate, the opposite side supporting side plate is provided with a tensioning belt wheel, and the fourth synchronous wheel, the fifth synchronous wheel and the tensioning belt wheel are driven by the same synchronous belt; the parallel light source is positioned right below the middle gap of the two groups of rollers, and the illumination direction of the parallel light source faces to the gap position of the two groups of rollers.

9. The device for detecting physical parameters of a cigarette segment according to any one of claims 1 to 6, wherein the measuring mechanism comprises a shutter assembly, the shutter assembly is arranged on a fixed bottom plate, the shutter assembly comprises a shutter, a shutter mounting seat, a shutter connecting sliding block, a shutter guide rail, a shutter fixing block and a shutter screw motor, the shutter screw motor adopts a through linear stepping motor, the shutter screw motor is fixed on the fixed bottom plate through the shutter mounting seat, the shutter fixing block is of an L-shaped structure, a shorter part of the shutter fixing block is fixedly connected with the shutter screw motor, a longer part surface of the shutter fixing block is fixedly connected with the shutter guide rail, a sliding direction of the shutter guide rail is parallel to a roller axis, the shutter connecting sliding block is connected to the shutter guide rail in a sliding manner, and is connected with a screw end of the shutter screw motor, and the shutter connecting sliding block is driven by the shutter screw motor to slide along the guide rail; the shielding plate is positioned above the two groups of rollers, and one side of the shielding plate is fixedly connected with the shielding plate connecting sliding block.

10. The device for detecting physical parameters of a cigarette segment according to any one of claims 1 to 6, wherein a fixed laminate for fixing a sampling mechanism is arranged above the measuring mechanism in the frame box, the sampling mechanism comprises a camera, a lens, a clamping block, a lens fixing vertical plate and an annular light source, the lens fixing vertical plate is fixedly connected to the fixed laminate, the lens is clamped by the pair of clamping blocks and fixedly connected to the lens fixing vertical plate, the upper end of the lens is connected with the camera, the lower end of the lens penetrates through the fixed laminate and extends to the lower surface of the fixed laminate, the annular light source is coaxially arranged at the lower end of the lens, and the annular light source is fixedly connected to the lower surface of the fixed laminate through a light source connecting plate.