CN110523649B - Product identification device on conveying line - Google Patents
Product identification device on conveying line Download PDFInfo
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- CN110523649B CN110523649B CN201910907279.4A CN201910907279A CN110523649B CN 110523649 B CN110523649 B CN 110523649B CN 201910907279 A CN201910907279 A CN 201910907279A CN 110523649 B CN110523649 B CN 110523649B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/04—Sorting according to size
- B07C5/08—Sorting according to size measured electrically or electronically
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/36—Sorting apparatus characterised by the means used for distribution
- B07C5/361—Processing or control devices therefor, e.g. escort memory
- B07C5/362—Separating or distributor mechanisms
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Abstract
The invention provides a product identification device on a conveying line, which comprises a conveying roller bed, an image identification mechanism, a product distribution mechanism and a size measurement mechanism, wherein the image identification mechanism is arranged on the conveying roller bed; the image recognition mechanism comprises a control box body, a recognition mounting bracket and an area array camera; the product distribution mechanism is arranged on the conveying roller bed and used for distributing the two types of packaging products on the conveying roller bed left and right according to the recognition result of the image recognition mechanism; the size measuring mechanism is arranged on the left side and the right side of the conveying roller bed and used for measuring the sizes of the packaged products conveyed by the left side and the right side of the conveying roller bed. This product recognition device on conveyer line utilizes image recognition mechanism to carry out specification discernment to the packing product of transporting on the backing roll to the mechanism is allocated to the packing product of two kinds of specifications about to the product of being convenient for is allocated, has realized allocating simultaneously in the transportation, need not follow-up independent identification and allocates, has reduced follow-up flow, has effectively improved work efficiency.
Description
Technical Field
The invention relates to an identification device, in particular to a product identification device on a conveying line.
Background
At present, the existing product conveying lines only have a simple conveying function and cannot identify and distribute products on the conveying lines. When carrying two kinds of different packing specifications of product simultaneously on same transfer chain, if can just carry out packing specification discernment and allocation in transportation process, just so can remove follow-up doing discernment and allocation alone from, can improve work efficiency. Therefore, there is a need for a product identification device on a conveyor line, which can identify and distribute packaged products while transporting, thereby improving the working efficiency.
Disclosure of Invention
The invention aims to: the utility model provides a product identification device on conveying line can carry out the discernment and the allocation of packing product when the transportation to improve work efficiency.
In order to achieve the purpose, the invention provides a product identification device on a conveying line, which comprises a conveying roller bed, an image identification mechanism, a product distribution mechanism and a size measurement mechanism, wherein the image identification mechanism is arranged on the conveying roller bed;
the image recognition mechanism comprises a control box body, a recognition mounting bracket and an area array camera; the control box body is arranged above the feeding side of the conveying roller bed through the identification mounting bracket; a power supply module, a controller and a memory are arranged in the control box body; the area array camera is arranged on the lower side surface of the control box body;
the product distribution mechanism is arranged on the conveying roller bed and used for distributing two specifications of packaged products on the conveying roller bed left and right according to the recognition result of the image recognition mechanism; the size measuring mechanisms are arranged on the left side and the right side of the conveying roller bed and used for measuring the sizes of the packaged products conveyed by the left side and the right side of the conveying roller bed;
the controller is respectively and electrically connected with the memory, the area array camera, the product allocation mechanism and the size measuring mechanism; the power supply module is used for supplying power for the controller, the memory, the area array camera, the product distribution mechanism and the size measuring mechanism respectively.
Further, the conveying roller bed comprises two strip-shaped side edge plates, a roller bed bottom plate, a conveying motor and two side edge strip-shaped baffle plates; two strip-shaped side plates are respectively arranged on the length edges of the left side and the right side of the roller bed bottom plate; each supporting roller is rotatably arranged between the two strip-shaped side plates and is arranged in parallel at equal intervals; the end part of one of the supporting rollers positioned in the middle of the conveying roller bed extends out of the strip-shaped side edge plate, and a driving gear is fixedly arranged on the extending end part; the conveying motor drives the driving gear to rotate through the driving chain; the end parts of the supporting rollers are fixedly provided with synchronous gears, and synchronous chains are arranged on the synchronous gears of the adjacent supporting rollers for synchronous transmission; supporting feet are arranged on the side edges of the bottom of the roller bed bottom plate; two side strip baffles are respectively arranged above the two strip side plates through each side adjusting frame.
Further, the side adjusting frame comprises a vertical adjusting screw and two clamping nuts; the vertical adjusting screw is vertically arranged on the outer side surface of the side strip-shaped baffle through a screw fixing seat; positioning side lugs are arranged on the outer side surface of the strip-shaped side plate and below the screw fixing seat, and positioning holes are formed in the positioning side lugs; the vertical locating hole that runs through of vertical adjusting screw, two equal screw threads of centre gripping nut are closed soon and are installed on vertical adjusting screw, and two centre gripping nuts centre gripping are in the upper and lower both sides of location side ear.
Furthermore, the identification mounting bracket comprises two height adjusting brackets, and each height adjusting bracket consists of a sleeve mounting bottom plate, a vertical sleeve, a vertical support rod and a positioning bolt; the vertical sleeve is vertically arranged on the sleeve mounting bottom plate, and the vertical stay bar is vertically inserted on the vertical sleeve; the vertical support rod is provided with positioning holes at intervals, the positioning bolt is screwed on the pipe wall of the vertical sleeve, and the end part of the screw rod of the positioning bolt extends into one positioning hole; the bottom of the control box body is provided with the top ends of the vertical support rods of the two height adjusting frames.
Further, the product distribution mechanism comprises a left distribution mechanism and a right distribution mechanism; each distributing mechanism consists of a position sensor, an electric push rod, an elastic buffer, a driving swing rod, a swing driving rotating shaft, two strip-shaped distributing rods and each pushing roller; the position sensor is fixedly arranged on the side edge strip-shaped baffle plate corresponding to the side edge of the distribution mechanism through a sensor mounting plate and is used for detecting the position of a packaged product on the conveying roller bed; the swing driving rotating shaft is rotatably arranged on the bottom plate of the roller bed through a rotating shaft support and is vertical to the supporting roller; the driving swing rod and the two strip-shaped driving levers are vertically and fixedly arranged on the swing driving rotating shaft, and the installation position of the driving swing rod is positioned between the two parallel strip-shaped driving levers; the pushing rollers are rotatably arranged on the two strip-shaped deflector rods at intervals; one end of the electric push rod is hinged to the roller bed bottom plate through a hinge seat, one end of the elastic buffer is fixedly arranged at the other end of the electric push rod, and the other end of the elastic buffer is hinged to the swinging end of the driving swing rod; the bar-shaped deflector rod extends out of the gap between two adjacent supporting rollers after swinging, the bar-shaped deflector rod of the left-distributed distributing mechanism swings from the right side to the left side, and the bar-shaped deflector rod of the right-distributed distributing mechanism swings from the left side to the right side; the controller is respectively electrically connected with the position sensor and the electric push rod, and the power module respectively supplies power to the position sensor and the electric push rod.
Furthermore, the elastic buffer consists of a telescopic cylinder, a buffering telescopic rod and two buffering pressure springs; one end face of the telescopic cylinder is fixedly arranged on the end part of the electric push rod, and a rod end through hole is formed in the other end face of the telescopic cylinder; one end of the buffer telescopic rod extends into the telescopic cylinder from the rod end through hole, and an inner disc is arranged at the extending end part; the two buffer compression springs are arranged in the telescopic cylinder and are respectively and elastically supported on two sides of the inner disc; the other end of the buffer telescopic rod is provided with a hinge joint; the elastic buffer is hinged to the swing end of the driving swing rod through a hinge joint.
Furthermore, an annular shaft is annularly arranged on the periphery of the wheel surface of the pushing roller through each supporting block; each transverse roller is rotationally arranged on the annular shaft at intervals, and each transverse roller is arranged between two adjacent supporting bar blocks; the pushing roller is rotatably arranged on the bar-shaped deflector rod through a roller rotating shaft, and the roller rotating shaft is parallel to the supporting roller.
Further, the size measuring mechanism comprises a left side and a right side two identification unit structures; each identification unit structure consists of a push plate, two T-shaped sliding blocks, a longitudinal linkage rod, a width detection assembly, a length detection assembly and a height detection assembly; the left side and the right side of the roller bed bottom plate at the discharging side of the conveying roller bed are respectively provided with at least two T-shaped sliding grooves parallel to the supporting roller; two T-shaped sliding blocks of the identification unit structure are slidably arranged on two T-shaped sliding grooves on the same side, and a longitudinal linkage rod is simultaneously arranged on the upper side surfaces of the two T-shaped sliding blocks on the same side; the longitudinal linkage rod is parallel to the strip-shaped side plates, and vertical upright posts extending out of gaps between adjacent supporting rollers are vertically arranged on the longitudinal linkage rod; the pushing plate is fixedly arranged on the upper end part of the vertical upright post and is parallel to the side strip-shaped baffle; two ends in the T-shaped sliding groove are respectively provided with a rebound pressure spring which is used for elastically pressing two ends of the T-shaped sliding block respectively; the front side edge of the pushing plate is bent and inclined towards the middle part of the conveying roller bed to form an inclined guide plate, and a triangular rib plate is arranged on the inner side of the bent part; the height detection assembly comprises two L-shaped side frames and two height detection sensors; the two L-shaped side frames are respectively arranged on the side strip-shaped baffle plates on the left side and the right side, the height detection sensor is arranged on the L-shaped side frame on the corresponding side, and the height detection sensor is positioned above the interval between the corresponding side pushing plate and the side strip-shaped baffle plate; the width detection assembly comprises a lower end base plate, a middle sensing rod and two width detection sensors; the lower end base plate is arranged on the roller bed bottom plate, and the middle sensing rod is vertically arranged on the lower end base plate; the two width detection sensors are both arranged on the middle sensing rod and respectively point to the left and right push plates; the length detection assembly comprises two length detection units; the two length detection units are respectively arranged on the pushing plates on the left side and the right side, and the incremental encoders of the two length detection units are used for respectively detecting the lengths of the packaged products which horizontally move on the left side and the right side and pass through the space between the pushing plates and the side strip-shaped baffle plates; the controller is respectively connected with the two height detection sensors, the two width detection sensors and the two incremental encoders, and the power module respectively supplies power to the two height detection sensors, the two width detection sensors and the two incremental encoders.
Furthermore, the two incremental encoders are respectively arranged on the opposite side surfaces of the two pushing plates through two elastic supports; the elastic support comprises a rotary rod, two swing arms, a measuring wheel, a wheel rotating shaft, a strip-shaped rebound plate and an elastic support spring; a strip-shaped detection hole is longitudinally formed in the push plate; the rotating rod is rotatably arranged on the pushing plate through two rotating supports; the two swing arms are vertically arranged on two end parts of the rotating rod, and the strip-shaped rebound plate is vertically arranged in the middle of the rotating rod; the measuring wheel is fixedly arranged on a wheel rotating shaft, and two ends of the wheel rotating shaft are respectively and rotatably arranged on the two swing arms; the incremental encoder is arranged on the swing arm, and a sensing rod of the incremental encoder is butted with the rotary shaft; the elastic support spring is elastically supported between the strip-shaped rebound plate and the pushing plate and is used for elastically pushing the measuring wheel to partially penetrate through the strip-shaped detection hole; a side edge seat is arranged on the side edge of the strip-shaped detection hole, and a support arc-shaped notch for supporting a wheel rotating shaft is arranged on the side edge seat; a friction convex edge is arranged on the wheel rotating shaft and close to the support arc-shaped notch; the wheel surface of the measuring wheel is provided with anti-skid convex edges at intervals.
Furthermore, a wireless communication module and a motor driving circuit which are electrically connected with the controller are arranged in the control box body; the radio frequency antenna of the wireless communication module is arranged at the top of the control box body; the motor driving circuit is electrically connected with the conveying motor, and the controller drives the conveying motor to rotate through the motor driving circuit; the power module supplies power for the wireless communication module and the motor driving circuit respectively.
The invention has the beneficial effects that: the image recognition mechanism is used for recognizing the specifications of the packaged products transported on the supporting roller, so that the product distribution mechanism can conveniently distribute the packaged products of two specifications left and right, the simultaneous distribution in the transportation process is realized, the subsequent independent recognition distribution is not needed, the subsequent flow is reduced, and the working efficiency is effectively improved; the size measuring mechanism can be used for accurately measuring the size of a packaged product, so that the phenomenon that software of the image recognition mechanism is incorrectly recognized to cause wrong distribution is prevented, and accurate and reliable distribution of the blanking side of the conveying roller bed is ensured.
Drawings
FIG. 1 is a schematic top view of the present invention;
FIG. 2 is a schematic diagram of the right view structure of the present invention;
FIG. 3 is a schematic view of the mounting structure of the elastic bracket of the present invention;
FIG. 4 is a schematic view of a partial cross-sectional structure of the product dispensing mechanism of the present invention;
FIG. 5 is a schematic view of a push roller mounting structure according to the present invention;
fig. 6 is a schematic circuit structure of the present invention.
Detailed Description
The technical solution of the present invention is described in detail below with reference to the accompanying drawings, but the scope of the present invention is not limited to the embodiments.
Example 1:
as shown in fig. 1 to 6, the product identification device on a conveying line disclosed by the present invention includes: the device comprises a conveying roller bed, an image recognition mechanism, a product distribution mechanism and a size measurement mechanism;
the image recognition mechanism comprises a control box body 10, a recognition mounting bracket and an area array camera 12; the control box body 10 is arranged above the feeding side of the conveying roller bed through an identification mounting bracket; a power module, a controller and a memory are arranged in the control box body 10; the area array camera 12 is installed on the lower side of the control box 10;
the product distribution mechanism is arranged on the conveying roller bed and is used for distributing the two specifications of packaged products 64 on the conveying roller bed left and right according to the recognition result of the image recognition mechanism; the size measuring mechanisms are arranged on the left side and the right side of the conveying roller bed and are used for measuring the sizes of the packaged products 64 conveyed by the left side and the right side of the conveying roller bed;
the controller is respectively electrically connected with the memory, the area array camera 12, the product distribution mechanism and the size measuring mechanism and is used for carrying out coordination control on the product distribution mechanism and the size measuring mechanism; the power module supplies power to the controller, the memory, the area array camera 12, the product distribution mechanism and the size measuring mechanism respectively.
The image recognition mechanism is used for carrying out specification recognition on the packaged products 64 transported on the supporting roller 20, so that the product distribution mechanism can conveniently carry out left and right distribution on the packaged products 64 with two specifications, the simultaneous distribution in the transportation process is realized, the subsequent independent recognition distribution is not needed, the subsequent flow is reduced, and the working efficiency is effectively improved; the dimension measuring mechanism can be used for accurately measuring the dimension of the packaged product 64, so that the phenomenon that software of the image recognition mechanism is incorrectly recognized to cause wrong distribution is prevented, and accurate and reliable distribution of the blanking side of the conveying roller bed is ensured.
Further, the conveying roller bed comprises two strip-shaped side edge plates 1, a roller bed bottom plate 2, a conveying motor 18 and two side edge strip-shaped baffle plates 3; two strip-shaped side plates 1 are respectively arranged on the length edges of the left side and the right side of the roller bed bottom plate 2; each supporting roller 20 is rotatably arranged between the two strip-shaped side plates 1, and the supporting rollers 20 are arranged in parallel at equal intervals; the end part of one of the supporting rollers 20 positioned in the middle of the conveying roller bed extends out of the strip-shaped side edge plate 1, and a driving gear 22 is fixedly arranged on the extending end part; the conveying motor 18 drives the driving gear 22 to rotate through the driving chain 21; the end part of each supporting roller 20 is also fixedly provided with a synchronous gear 19, and a synchronous chain 23 is arranged on the synchronous gear 19 of the adjacent supporting roller 20 for synchronous transmission; a supporting foot 9 is arranged on the side edge of the bottom of the roller bed bottom plate 2; two side strip baffles 3 are respectively arranged above the two strip side plates 1 through each side adjusting frame. Synchronous transmission is carried out by utilizing the synchronous chain 23, so that the rotating speeds of the supporting rollers 20 can be ensured to be consistent; the packaged product 64 is transported using the support rollers 20, so that the packaged product 64 is easily pushed left and right.
Further, the side adjusting frame comprises a vertical adjusting screw 16 and two clamping nuts 17; the vertical adjusting screw 16 is vertically arranged on the outer side surface of the side strip-shaped baffle 3 through a screw fixing seat 15; a positioning side lug 68 is arranged on the outer side surface of the strip-shaped side plate 1 and below the screw fixing seat 15, and a positioning hole is arranged on the positioning side lug 68; the vertical adjusting screw 16 vertically penetrates through the positioning hole, the two clamping nuts 17 are screwed on the vertical adjusting screw 16, and the two clamping nuts 17 are clamped at the upper side and the lower side of the positioning side lug 68. Utilize the side alignment jig to adjust the height of side bar baffle 3 to adjust according to the height of packing product 64 before the use, ensure to block effectively to controlling the packing product 64 of propelling movement.
Further, the identification mounting bracket comprises two height adjusting brackets, and each height adjusting bracket is composed of a sleeve mounting bottom plate 8, a vertical sleeve 5, a vertical support rod 4 and a positioning bolt 6; the vertical sleeve 5 is vertically arranged on the sleeve mounting bottom plate 8, and the vertical stay bar 4 is vertically inserted on the vertical sleeve 5; each positioning hole 7 is arranged on the vertical stay bar 4 at intervals, the positioning bolt 6 is screwed on the pipe wall of the vertical sleeve 5, and the end part of the screw rod of the positioning bolt 6 extends into one positioning hole 7; the bottom of the control box body 10 is arranged on the top ends of the vertical support rods 4 of the two height adjusting frames. The height adjusting frame composed of the vertical sleeve 5, the vertical stay bar 4 and the positioning bolt 6 can facilitate the height adjustment of the control box body 10, so that the vertical distance between the area array camera 12 and the supporting roll 20 can be adjusted as required during use.
Further, the product distribution mechanism comprises a left distribution mechanism and a right distribution mechanism; each distributing mechanism consists of a position sensor 14, an electric push rod 54, an elastic buffer, a driving swing rod 50, a swing driving rotating shaft 52, two strip-shaped distributing rods 49 and pushing rollers 60; the position sensor 14 is fixedly arranged on the side edge strip-shaped baffle 3 corresponding to the side edge of the distribution mechanism through a sensor mounting plate 13 and is used for detecting the position of a packaged product 64 on the conveying roller bed; the swing driving rotating shaft 52 is rotatably arranged on the roller bed bottom plate 2 through the rotating shaft support 48, and the swing driving rotating shaft 52 is vertical to the supporting roller 20; the driving swing rod 50 and the two bar-shaped deflector rods 49 are vertically and fixedly arranged on the swing driving rotating shaft 52, and the installation position of the driving swing rod 50 is positioned between the two parallel bar-shaped deflector rods 49; the pushing rollers 60 are arranged on the two strip-shaped deflector rods 49 at intervals in a rotating manner; one end of the electric push rod 54 is hinged on the roller bed bottom plate 2 through a hinge seat 47, one end of an elastic buffer is fixedly arranged on the other end of the electric push rod 54, and the other end of the elastic buffer is hinged on the swinging end of the driving swing rod 50; the strip-shaped deflector rod 49 swings and then extends out of the gap between two adjacent supporting rollers 20, the strip-shaped deflector rod 49 of the left-distributed distributing mechanism swings from the right side to the left side, and the strip-shaped deflector rod 49 of the right-distributed distributing mechanism swings from the left side to the right side; the controller is electrically connected with the position sensor 14 and the electric push rod 54 respectively, and the power supply module supplies power to the position sensor 14 and the electric push rod 54 respectively. Two strip-shaped deflector rods 49 arranged in parallel can synchronously swing, so that the side surface of a packaged product 64 is stably pushed and pressed, and deflection caused by pushing and pressing is prevented; the position sensor 14 can measure the moving position of the packaged product 64 in real time, so that the starting time of the electric push rod 54 is accurately controlled, the push rollers 60 on the two bar-shaped shift levers 49 can synchronously push and press the side surfaces of the packaged product 64, and the packaged product 64 cannot be pushed askew when being distributed; the use of the elastic buffer enables elastic pushing when pushing the packaged product 64, preventing damage to the side of the packaged product 64.
Furthermore, the elastic buffer is composed of a telescopic cylinder 55, a buffer telescopic rod 53 and two buffer compressed springs 57; one end face of the telescopic cylinder 55 is fixedly arranged on the end part of the electric push rod 54, and a rod end through hole 58 is arranged on the other end face of the telescopic cylinder 55; one end of the buffer telescopic rod 53 extends into the telescopic cylinder 55 through a rod end through hole 58, and an inner disc 56 is arranged at the extending end part; two buffer compression springs 57 are arranged in the telescopic cylinder 55 and are respectively and elastically supported on two sides of the inner disc 56; the other end of the buffer telescopic rod 53 is provided with a hinge joint 51; the elastic buffer is mounted on the swing end of the driving swing link 50 by a hinge joint 51. Utilize two buffering pressure springs 57 can provide flexible elastic support for buffering telescopic link 53 to realize that bar driving lever 49's elasticity is stirred, avoid causing the rigidity damage promoting package product 64.
Further, an annular shaft 62 is annularly installed on the periphery of the wheel surface of the push roller 60 through each support bar block 63; each transverse roller 61 is rotatably arranged on the annular shaft 62 at intervals, and each transverse roller 61 is arranged between two adjacent supporting bar-shaped blocks 63; the pushing roller 60 is rotatably mounted on the bar-shaped deflector 49 through a roller rotating shaft 59, and the roller rotating shaft 59 is parallel to the support roller 20. The use of the respective transverse rollers 61 mounted at intervals on the annular shaft 62 enables the packaged products 64 to be pushed leftward or rightward without affecting the downward conveyance of the packaged products 64 by the conveyor roller beds.
Further, the size measuring mechanism comprises a left side and a right side two identification unit structures; each identification unit structure consists of a push plate 29, two T-shaped sliders 26, a longitudinal linkage rod 27, a width detection assembly, a length detection assembly and a height detection assembly; at least two T-shaped sliding grooves 24 parallel to the supporting roller 20 are arranged on the left side edge and the right side edge of the roller bed bottom plate 2 on the discharging side of the conveying roller bed; two T-shaped sliding blocks 26 of the identification unit structure are slidably mounted on the two T-shaped sliding grooves 24 on the same side, and a longitudinal linkage rod 27 is simultaneously mounted on the upper side surfaces of the two T-shaped sliding blocks 26 on the same side; the longitudinal linkage rod 27 is parallel to the strip-shaped side plate 1, and a vertical upright post 28 extending out of a gap between adjacent supporting rollers 20 is vertically arranged on the longitudinal linkage rod 27; the push plate 29 is fixedly arranged on the upper end part of the vertical upright post 28, and the push plate 29 is parallel to the side strip-shaped baffle 3; two ends in the T-shaped sliding groove 24 are respectively provided with a rebound pressure spring 25 which is used for elastically pressing two ends of a T-shaped sliding block 26; the front side edge of the pushing plate 29 is bent and inclined towards the middle part of the conveying roller bed to form an inclined guide plate 30, and a triangular rib plate 67 is arranged on the inner side of the bent part; the height detection assembly comprises two L-shaped side frames 65 and two height detection sensors 66; the two L-shaped side frames 65 are respectively arranged on the side strip-shaped baffle plates 3 at the left side and the right side, the height detection sensor 66 is arranged on the L-shaped side frame 65 at the corresponding side, and the height detection sensor 66 is positioned above the interval between the corresponding side push-press plate 29 and the side strip-shaped baffle plates 3; the width detection assembly comprises a lower base plate 31, a middle sensing bar 32 and two width detection sensors 33; the lower end base plate 31 is arranged on the roller bed bottom plate 2, and the middle sensing rod 32 is vertically arranged on the lower end base plate 31; two width detection sensors 33 are mounted on the middle sensor rod 32 and are directed to the left and right push plates 29, respectively; the length detection assembly comprises two length detection units; the two length detection units are respectively arranged on the pushing plates 29 at the left side and the right side, and the incremental encoders 42 of the two length detection units respectively detect the lengths of the packaged products 64 which horizontally move at the left side and the right side and pass through the pushing plates 29 and the side strip-shaped baffle plates 3; the controller is electrically connected with the two height detection sensors 66, the two width detection sensors 33 and the two incremental encoders 42 respectively, and the power supply module supplies power to the two height detection sensors 66, the two width detection sensors 33 and the two incremental encoders 42 respectively. The two ends of the T-shaped sliding block 26 are elastically pressed by the rebound compression spring 25, so that the pushing plate 29 keeps elastic pressing when the packaged product 64 moves and passes, the reliability of width measurement can be ensured, and the pushing plate 29 can return in time after passing; the inclined guide plate 30 can slowly push the push plate 29 away when the packaged products 64 move past, so that the packaged products 64 meeting the specifications can be used; the two T-shaped sliders 26 can be ensured to slide synchronously by using the longitudinal linkage rod 27, so that the push plate 29 is kept parallel to the side strip-shaped baffle 3 when moving; the triangular rib plate 67 can enhance the structural strength of the bent portion of the pushing plate 29 and the inclined guide plate 30.
Further, two incremental encoders 42 are respectively mounted on the opposite side surfaces of the two pushing plates 29 through two elastic brackets; the elastic support comprises a rotating rod 36, two swing arms 37, a measuring wheel 45, a wheel rotating shaft 40, a strip-shaped rebound plate 44 and an elastic support spring 43; a strip-shaped detection hole 34 is longitudinally arranged on the pushing plate 29; the rotating rod 36 is rotatably mounted on the pushing plate 29 through two rotating supports 35; two swing arms 37 are vertically arranged on two end parts of the rotating rod 36, and a strip-shaped rebound plate 44 is vertically arranged in the middle of the rotating rod 36; the measuring wheel 45 is fixedly arranged on the wheel rotating shaft 40, and two ends of the wheel rotating shaft 40 are respectively and rotatably arranged on the two swing arms 37; an incremental encoder 42 is mounted on the swing arm 37, and a sensing rod of the incremental encoder 42 is butted with the wheel rotating shaft 40; the elastic supporting spring 43 is elastically supported between the strip-shaped rebound plate 44 and the pushing plate 29 and is used for elastically pushing the measuring wheel 45 to partially penetrate through the strip-shaped detection hole 34; a side edge seat 38 is arranged at the side edge of the strip-shaped detection hole 34, and a supporting arc-shaped notch 39 for supporting a wheel rotating shaft 40 is arranged on the side edge seat 38; a friction rib 41 is arranged on the wheel rotating shaft 40 and close to the support arc-shaped notch 39; anti-slip ribs 46 are provided at intervals on the tread of the measuring wheel 45. The elastic support spring 43 can elastically press the measuring wheel 45, so that the packaged product 64 can be well contacted with the wheel surface of the measuring wheel 45 when passing through, and the reliability of length measurement is ensured; by matching the supporting arc-shaped notch 39 with the friction convex rib 41 arranged on the wheel rotating shaft 40, the wheel rotating shaft 40 can be timely pressed on the supporting arc-shaped notch 39 under the action of the elastic supporting spring 43 after the packaged product 64 is removed, so that the wheel rotating shaft 40 is quickly braked, the inertial rotation of the measuring wheel 45 is prevented, and the reliability of length measurement is ensured; the measurement wheel 45 can be prevented from slipping at the time of measurement by the anti-slip ribs 46.
Further, a wireless communication module and a motor driving circuit electrically connected with the controller are arranged in the control box body 10; a radio frequency antenna 11 of the wireless communication module is arranged at the top of the control box body 10; the motor driving circuit is electrically connected with the conveying motor 18, and the controller drives the conveying motor 18 to rotate through the motor driving circuit; the power module supplies power for the wireless communication module and the motor driving circuit respectively. The wireless communication module can be used for remotely and wirelessly transmitting the acquired identification image and the length, width, height and size to an upper computer; the use of motor drive facilitates control of the conveyor motor 18 to stop the conveyor roller bed in time after a fault is identified with high accuracy in length and width.
The invention discloses a product identification device on a conveying line, which comprises: the controller adopts the existing FPGA controller, and can realize image recognition processing and signal receiving and processing of each sensor; the memory is composed of the existing memory chip and the peripheral circuit thereof; the wireless communication module adopts the existing WiFi module, ZigBee wireless module or 4G communication module, can realize remote wireless communication with the wireless module of the upper computer, transmits the identification image shot by the area array camera 12 to the upper computer for storage, and can receive the control command of the upper computer, so that the upper computer can remotely control the start and stop of the conveying motor 18; the conveying motor 18 adopts an existing stepping motor with a speed reducer, and the motor driving circuit adopts an existing stepping motor driving circuit and is used for rotationally driving the conveying motor 18; the left height detection sensor 66, the right height detection sensor 66, the left width detection sensor 33, and the right width detection sensor 33 are all conventional infrared distance measurement sensors; the incremental encoder 42 on the left side and the incremental encoder 42 on the right side adopt the existing incremental encoders, and the length of the packaged product 64 is obtained by calculating the rotation of the measuring wheel 45; the left position sensor 14 and the right position sensor 14 each employ an existing infrared position sensor for detecting whether the packaged product 64 is in place; the electric push rod on the left side and the electric push rod on the right side both adopt the existing electric telescopic rods, and the telescopic control of the rod length can be realized according to the control of the controller; the area array camera 12 adopts an existing area array camera and is used for acquiring an upper side image of the packaged product 64 transported on the supporting roller 20, so that the controller calculates the upper side area of the packaged product 64 according to the acquired image, and judges whether the packaged product belongs to a first specification package or a second specification package; the two-size packaged product 64 is in the shape of a rectangular parallelepiped.
When the product identification device on the conveying line disclosed by the invention is used, the supporting height of the side adjusting frame and the height of the side strip-shaped baffle 3 are preferably adjusted according to the transported and packaged products 64; when the packaged products 64 with two packaging specifications are transported on the supporting rollers 20, the area array camera 12 shoots the lower part in real time, and the controller processes and identifies the shot images in real time; if the controller judges that the packaged product 64 is in the first specification, when the position sensor 14 on the left side detects the packaged product 64, the controller controls the electric push rod 54 on the left side, so that the packaged product 64 is pushed to the right side to be close to the side strip-shaped baffle plate 3; if the controller determines that the packaged product 64 is of the second specification, when the position sensor 14 on the right side detects the packaged product 64, the controller controls the electric push rod 54 on the right side, so that the packaged product 64 is pushed to the left side to be close to the side strip-shaped baffle plate 3; when the packaged product 64 of the first specification moves along the right side edge and the packaged product 64 of the second specification moves along the left side edge, the packaged product enters the area between the right side push plate 29 and the side strip-shaped baffle plate 3 and the area between the left side push plate 29 and the side strip-shaped baffle plate 3 respectively; the height detection sensors 66 on the left and right sides respectively measure the height of the packaged products 64 of the first and second specifications; the positions of the two pushing plates 29 are measured by the two width detecting sensors 33, so that the width of the packaged product 64 of the first specification and the second specification is indirectly calculated by the controller; the measuring wheels 45 on two sides walk on the length side of the packaged product 64, the increment encoder 42 calculates the rotation angle of the measuring wheels 45, and therefore the controller calculates the length of the packaged product 64 by combining the wheel surface circumference of the measuring wheels 45; the controller carries out accurate identification according to the measured length, width and height, so as to judge whether the identification result of the image identification mechanism is accurate or not, avoid wrong distribution of the packaged products 64 with two specifications, and timely stop the conveying motor 18 when the distribution error is determined, so as to avoid conveying the packaged products 64 with wrong specifications to the next procedure; the controller transmits the image collected by the area array camera 12 and the precisely measured length, width, height and size of the packaged product 64 of the first specification and the second specification to the upper computer for storage through a wireless communication module.
As noted above, while the present invention has been shown and described with reference to certain preferred embodiments, it is not to be construed as limited thereto. Various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (8)
1. The utility model provides a product identification device on transfer line which characterized in that: comprises a conveying roller bed, an image recognition mechanism, a product distribution mechanism and a size measurement mechanism;
the image recognition mechanism comprises a control box body (10), a recognition mounting bracket and an area array camera (12); the control box body (10) is arranged above the feeding side of the conveying roller bed through an identification mounting bracket; a power supply module, a controller and a memory are arranged in the control box body (10); the area array camera (12) is arranged on the lower side surface of the control box body (10);
the product distribution mechanism is arranged on the conveying roller bed and is used for distributing two types of packaged products (64) of different specifications on the conveying roller bed left and right according to the recognition result of the image recognition mechanism; the size measuring mechanisms are arranged on the left side and the right side of the conveying roller bed and are used for measuring the sizes of the packaged products (64) conveyed by the left side and the right side of the conveying roller bed;
the controller is respectively and electrically connected with the memory, the area array camera (12), the product distribution mechanism and the size measuring mechanism; the power supply module is used for supplying power to the controller, the memory, the area array camera (12), the product distribution mechanism and the size measuring mechanism respectively;
the conveying roller bed comprises two strip-shaped side plates (1), a roller bed bottom plate (2), a conveying motor (18) and two side strip-shaped baffle plates (3); two strip-shaped side plates (1) are respectively arranged on the length edges of the left side and the right side of the roller bed bottom plate (2); each supporting roller (20) is rotatably arranged between the two strip-shaped side plates (1), and the supporting rollers (20) are arranged in parallel at equal intervals; the end part of one of the supporting rollers (20) positioned in the middle of the conveying roller bed extends out of the strip-shaped side edge plate (1), and a driving gear (22) is fixedly arranged on the extending end part; the conveying motor (18) drives the driving gear (22) to rotate through the driving chain (21); the end parts of the supporting rollers (20) are fixedly provided with synchronous gears (19), and synchronous chains (23) are arranged on the synchronous gears (19) of the adjacent supporting rollers (20) for synchronous transmission; a supporting bottom foot (9) is arranged on the side edge of the bottom of the roller bed bottom plate (2); the two side edge strip-shaped baffle plates (3) are respectively arranged above the two strip-shaped side edge plates (1) through the side edge adjusting frames;
the product distributing mechanism comprises a left distributing mechanism and a right distributing mechanism; each distributing mechanism consists of a position sensor (14), an electric push rod (54), an elastic buffer, a driving swing rod (50), a swing driving rotating shaft (52), two strip-shaped distributing rods (49) and pushing rollers (60); the position sensor (14) is fixedly arranged on the side edge strip-shaped baffle (3) corresponding to the side edge of the distribution mechanism through a sensor mounting plate (13) and is used for detecting the position of a packaged product (64) on the conveying roller bed; the swing driving rotating shaft (52) is rotatably arranged on the roller bed bottom plate (2) through a rotating shaft support (48), and the swing driving rotating shaft (52) is vertical to the supporting roller (20); the driving swing rod (50) and the two bar-shaped deflector rods (49) are vertically and fixedly arranged on the swing driving rotating shaft (52), and the installation position of the driving swing rod (50) is positioned between the two parallel bar-shaped deflector rods (49); the pushing rollers (60) are rotatably arranged on the two strip-shaped deflector rods (49) at intervals; one end of an electric push rod (54) is hinged on the roller bed bottom plate (2) through a hinge seat (47), one end of an elastic buffer is fixedly arranged on the other end of the electric push rod (54), and the other end of the elastic buffer is hinged on the swinging end of a driving swing rod (50); the strip-shaped deflector rod (49) is extended out of the gap between two adjacent supporting rollers (20) after swinging, the strip-shaped deflector rod (49) of the left-distributed distributing mechanism swings from the right side to the left side, and the strip-shaped deflector rod (49) of the right-distributed distributing mechanism swings from the left side to the right side; the controller is respectively and electrically connected with the position sensor (14) and the electric push rod (54), and the power supply module respectively supplies power to the position sensor (14) and the electric push rod (54).
2. The on-conveyor-line product identification device of claim 1, wherein: the side adjusting frame comprises a vertical adjusting screw rod (16) and two clamping nuts (17); the vertical adjusting screw (16) is vertically arranged on the outer side surface of the side strip-shaped baffle (3) through a screw fixing seat (15); a positioning side lug (68) is arranged on the outer side surface of the strip-shaped side plate (1) and below the screw fixing seat (15), and a positioning hole is formed in the positioning side lug (68); the vertical adjusting screw (16) vertically penetrates through the positioning hole, the two clamping nuts (17) are installed on the vertical adjusting screw (16) in a threaded screwing mode, and the two clamping nuts (17) are clamped on the upper side and the lower side of the positioning side lug (68).
3. The on-conveyor-line product identification device of claim 1, wherein: the identification mounting bracket comprises two height adjusting brackets, and each height adjusting bracket consists of a sleeve mounting bottom plate (8), a vertical sleeve (5), a vertical stay bar (4) and a positioning bolt (6); the vertical sleeve (5) is vertically arranged on the sleeve mounting bottom plate (8), and the vertical stay bar (4) is vertically inserted on the vertical sleeve (5); positioning holes (7) are arranged on the vertical support rod (4) at intervals, a positioning bolt (6) is installed on the pipe wall of the vertical sleeve (5) in a threaded manner, and the end part of the screw rod of the positioning bolt (6) extends into one positioning hole (7); the bottom of the control box body (10) is provided with the top ends of the vertical support rods (4) of the two height adjusting frames.
4. The on-conveyor-line product identification device of claim 1, wherein: the elastic buffer consists of a telescopic cylinder (55), a buffer telescopic rod (53) and two buffer compression springs (57); one end face of the telescopic cylinder (55) is fixedly arranged on the end part of the electric push rod (54), and a rod end through hole (58) is formed in the other end face of the telescopic cylinder (55); one end of the buffer telescopic rod (53) extends into the telescopic cylinder (55) through a rod end through hole (58), and an inner disc (56) is arranged at the extending end part; the two buffer compression springs (57) are arranged in the telescopic cylinder (55) and are respectively and elastically supported on two sides of the inner disc (56); the other end of the buffer telescopic rod (53) is provided with a hinge joint (51); the elastic buffer is hinged and installed on the swinging end of the driving swing rod (50) through a hinge joint (51).
5. The on-conveyor-line product identification device of claim 1, wherein: an annular shaft (62) is annularly arranged on the periphery of the wheel surface of the pushing roller (60) through various supporting bar blocks (63); each transverse roller (61) is rotationally arranged on the annular shaft (62) at intervals, and each transverse roller (61) is arranged between two adjacent supporting bar blocks (63); the pushing roller (60) is rotatably arranged on the bar-shaped deflector rod (49) through a roller rotating shaft (59), and the roller rotating shaft (59) is parallel to the supporting roller (20).
6. The on-conveyor-line product identification device of claim 1, wherein: the size measuring mechanism comprises a left side identification unit structure and a right side identification unit structure; each identification unit structure consists of a pushing plate (29), two T-shaped sliding blocks (26), a longitudinal linkage rod (27), a width detection assembly, a length detection assembly and a height detection assembly; at least two T-shaped sliding grooves (24) which are parallel to the supporting roller (20) are respectively arranged on the left side edge and the right side edge of the roller bed bottom plate (2) on the discharging side of the conveying roller bed; two T-shaped sliding blocks (26) of the identification unit structure are arranged on two T-shaped sliding grooves (24) on the same side in a sliding mode, and a longitudinal linkage rod (27) is arranged on the upper side faces of the two T-shaped sliding blocks (26) on the same side at the same time; the longitudinal linkage rod (27) is parallel to the strip-shaped side plate (1), and a vertical upright post (28) extending out of a gap between adjacent supporting rollers (20) is vertically arranged on the longitudinal linkage rod (27); the push plate (29) is fixedly arranged on the upper end part of the vertical upright post (28), and the push plate (29) is parallel to the side strip-shaped baffle (3); two ends in the T-shaped sliding groove (24) are respectively provided with a rebound compression spring (25) which is used for elastically pressing two ends of the T-shaped sliding block (26); the front side edge of the pushing plate (29) is bent and inclined towards the middle part of the conveying roller bed to form an inclined guide plate (30), and a triangular rib plate (67) is arranged on the inner side of the bent part; the height detection assembly comprises two L-shaped side frames (65) and two height detection sensors (66); two L-shaped side frames (65) are respectively arranged on the side strip-shaped baffle plates (3) at the left side and the right side, a height detection sensor (66) is arranged on the L-shaped side frame (65) at the corresponding side, and the height detection sensor (66) is positioned above the interval between the corresponding side push plate (29) and the side strip-shaped baffle plate (3); the width detection assembly comprises a lower end base plate (31), a middle sensing rod (32) and two width detection sensors (33); the lower end base plate (31) is arranged on the roller bed bottom plate (2), and the middle sensing rod (32) is vertically arranged on the lower end base plate (31); two width detection sensors (33) are mounted on the middle sensing rod (32) and respectively point to the left and right push plates (29); the length detection assembly comprises two length detection units; the two length detection units are respectively arranged on the pushing plates (29) at the left side and the right side, and the incremental encoders (42) of the two length detection units are used for respectively detecting the lengths of the packaged products (64) which horizontally move at the left side and the right side and pass through the space between the pushing plates (29) and the side strip-shaped baffle plates (3); the controller is respectively electrically connected with the two height detection sensors (66), the two width detection sensors (33) and the two incremental encoders (42), and the power supply module respectively supplies power to the two height detection sensors (66), the two width detection sensors (33) and the two incremental encoders (42).
7. The product identification device on a conveyor line according to claim 6, characterized in that: the two incremental encoders (42) are respectively arranged on the opposite side surfaces of the two pushing plates (29) through two elastic supports; the elastic support comprises a rotating rod (36), two swing arms (37), a measuring wheel (45), a wheel rotating shaft (40), a strip-shaped rebound plate (44) and an elastic support spring (43); a strip-shaped detection hole (34) is longitudinally arranged on the push plate (29); the rotating rod (36) is rotatably arranged on the pushing plate (29) through two rotating supports (35); two swing arms (37) are vertically arranged on two end parts of the rotating rod (36), and a strip-shaped rebound plate (44) is vertically arranged in the middle of the rotating rod (36); the measuring wheel (45) is fixedly arranged on the wheel rotating shaft (40), and two ends of the wheel rotating shaft (40) are respectively and rotatably arranged on the two swing arms (37); the incremental encoder (42) is installed on the swing arm (37), and a sensing rod of the incremental encoder (42) is butted with the rotary shaft (40); the elastic supporting spring (43) is elastically supported between the strip-shaped rebound plate (44) and the pushing plate (29) and is used for elastically pushing the measuring wheel (45) to partially penetrate through the strip-shaped detection hole (34); a side edge seat (38) is arranged on the side edge of the strip-shaped detection hole (34), and a support arc-shaped notch (39) for supporting a wheel rotating shaft (40) is arranged on the side edge seat (38); a friction rib (41) is arranged on the rotary shaft (40) and close to the support arc-shaped notch (39); anti-skid convex ribs (46) are arranged on the wheel surface of the measuring wheel (45) at intervals.
8. The on-conveyor-line product identification device of claim 1, wherein: a wireless communication module and a motor driving circuit which are electrically connected with the controller are arranged in the control box body (10); a radio frequency antenna (11) of the wireless communication module is arranged at the top of the control box body (10); the motor driving circuit is electrically connected with the conveying motor (18), and the controller drives the conveying motor (18) to rotate through the motor driving circuit; the power module supplies power for the wireless communication module and the motor driving circuit respectively.
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| CN110523649B true CN110523649B (en) | 2021-03-19 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111632853A (en) * | 2020-06-03 | 2020-09-08 | 张家港市欧微自动化研发有限公司 | Food sorting device |
| CN112407842A (en) * | 2020-11-05 | 2021-02-26 | 苏州南师大科技园投资管理有限公司 | Workpiece recognition transfer equipment for automatic production line |
| CN112371527A (en) * | 2020-11-05 | 2021-02-19 | 苏州南师大科技园投资管理有限公司 | Workpiece identification and sorting system of industrial automation production line |
| CN112374020A (en) * | 2020-11-05 | 2021-02-19 | 苏州南师大科技园投资管理有限公司 | A work piece transfer device for line is produced to wisdom |
| CN112387609A (en) * | 2020-11-05 | 2021-02-23 | 苏州南师大科技园投资管理有限公司 | Automatic intermediate device distribution system of industrial production line |
| CN112407866A (en) * | 2020-11-05 | 2021-02-26 | 苏州南师大科技园投资管理有限公司 | A work piece transfer device for automatic production line |
| CN112407867A (en) * | 2020-11-05 | 2021-02-26 | 苏州南师大科技园投资管理有限公司 | A work piece transfer device for automatic production line |
| CN112407749A (en) * | 2020-11-05 | 2021-02-26 | 苏州南师大科技园投资管理有限公司 | Workpiece allocation system based on image recognition |
| CN112547531A (en) * | 2020-11-05 | 2021-03-26 | 苏州南师大科技园投资管理有限公司 | Automatic product sorting and transferring system based on machine vision |
| CN112407748A (en) * | 2020-11-05 | 2021-02-26 | 苏州南师大科技园投资管理有限公司 | Work piece of line is produced to wisdom divides group system |
| CN112547552A (en) * | 2020-11-05 | 2021-03-26 | 苏州南师大科技园投资管理有限公司 | Product sorting system based on machine vision |
| CN112389991A (en) * | 2020-11-05 | 2021-02-23 | 苏州南师大科技园投资管理有限公司 | Product sorting and discharging system for automatic production line |
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