CN117309880B - Detection mechanism and detection method for sewing machine workpiece - Google Patents
Detection mechanism and detection method for sewing machine workpiece Download PDFInfo
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- CN117309880B CN117309880B CN202311280315.1A CN202311280315A CN117309880B CN 117309880 B CN117309880 B CN 117309880B CN 202311280315 A CN202311280315 A CN 202311280315A CN 117309880 B CN117309880 B CN 117309880B
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- 230000007246 mechanism Effects 0.000 title claims abstract description 92
- 238000001514 detection method Methods 0.000 title claims abstract description 79
- 238000009958 sewing Methods 0.000 title claims abstract description 61
- 230000000007 visual effect Effects 0.000 claims abstract description 10
- 230000005540 biological transmission Effects 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 11
- 230000002950 deficient Effects 0.000 claims description 8
- 230000008569 process Effects 0.000 claims description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 15
- 229910052802 copper Inorganic materials 0.000 description 15
- 239000010949 copper Substances 0.000 description 15
- 238000007599 discharging Methods 0.000 description 5
- 238000007689 inspection Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000005286 illumination Methods 0.000 description 3
- 238000011179 visual inspection Methods 0.000 description 3
- 241001465382 Physalis alkekengi Species 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 208000003464 asthenopia Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
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- Life Sciences & Earth Sciences (AREA)
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- Analytical Chemistry (AREA)
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- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Sewing Machines And Sewing (AREA)
Abstract
The invention relates to the technical field of workpiece detection of sewing machines and discloses a detection mechanism and a detection method for workpieces of the sewing machines, wherein the detection mechanism comprises a machine base and a workpiece detection mechanism, the workpiece detection mechanism is arranged at the top end of the machine base and is used for realizing appearance detection of the workpieces of the sewing machines, the workpiece detection mechanism comprises a bottom plate and a visual detection assembly, the bottom plate is fixedly arranged at the top end of the machine base, and the top end of the bottom plate is provided with a workpiece clamping assembly used for clamping and fixing the workpieces of the sewing machines.
Description
Technical Field
The invention relates to the technical field of detection of sewing machine workpieces, in particular to a detection mechanism and a detection method of a sewing machine workpiece.
Background
The sewing machine is a machine which uses one or more sewing threads to form one or more stitch on the sewing material, so that one or more layers of sewing material are interwoven or sewn together, the copper connecting rod is used as a main structural workpiece of the sewing machine, and the copper connecting rod needs to bear larger force during working and has longer working time, so that the quality of the copper connecting rod is important, and whether the surface of the copper connecting rod has damage marks such as cracks or scratches or the like during production of the copper connecting rod is needed to be detected.
At present, a manual inspection method is adopted to detect the copper connecting rod, and the manual inspection has a plurality of defects, such as long-time inspection of a single product, easy eye fatigue of inspection workers, high labor intensity and low manual detection precision, so that CCD detection equipment is adopted to detect the copper connecting rod.
However, when the traditional CCD detection device in the market is used, as the position of the CCD camera is fixed, one CCD camera can only shoot an image of one surface of the copper connecting rod, if the image of each surface of the copper connecting rod is needed to be shot, the copper connecting rod is also needed to be rotated manually, the operation is time-consuming and labor-consuming, the accuracy is reduced, and if a plurality of CCD cameras are installed in different directions of the copper connecting rod, the cost is increased. Therefore, we propose a detection mechanism and a detection method for a sewing machine workpiece.
Disclosure of Invention
The invention aims to provide a detection mechanism and a detection method for a sewing machine workpiece, which are used for solving the problems that when a traditional CCD detection device is used, as the position of a CCD camera is fixed, one CCD camera only can shoot images of one surface of a copper connecting rod, if the images of each surface of the copper connecting rod are needed to be shot, the copper connecting rod also needs to be manually rotated, the operation is time-consuming and labor-consuming, the accuracy is reduced, and if a plurality of CCD cameras are arranged in different directions of the copper connecting rod, the cost is increased.
In order to achieve the above purpose, the present invention provides the following technical solutions: a mechanism for detecting a workpiece of a sewing machine, comprising:
A base;
The workpiece detection mechanism is arranged at the top end of the machine seat and is used for detecting the appearance of a workpiece of the sewing machine, the workpiece detection mechanism comprises a bottom plate and a visual detection assembly, the bottom plate is fixedly arranged at the top end of the machine seat, the top end of the bottom plate is provided with a workpiece clamping assembly for clamping and fixing the workpiece of the sewing machine, and the visual detection assembly is used for detecting the appearance of different surfaces of the workpiece of the sewing machine;
the feeding mechanism is arranged at one side of the top end of the machine seat and is used for conveying a sewing machine workpiece into the workpiece detection mechanism for detection;
The blanking mechanism is arranged on the other side of the top end of the machine seat and is used for taking out the detected sewing machine workpiece from the workpiece detection mechanism;
The PLC is fixedly arranged at the top end of the machine seat close to the corner.
Preferably, the workpiece clamping assembly comprises a fourth air cylinder and a third clamping jaw air cylinder, the fourth air cylinder is fixedly arranged at the top end of the bottom plate, the third clamping jaw air cylinder is fixedly arranged at the top end of the bottom plate through a vertical plate, a movable support is fixedly arranged at the output end of the fourth air cylinder, a detection chuck is fixedly arranged at one end of the movable support, and the center point of the third clamping jaw air cylinder and the center point of the detection chuck are located on the same axis.
Preferably, the visual inspection assembly comprises two vertical plates and a camera assembly which are symmetrically arranged, a third motor is fixedly arranged on one side of the vertical plates, rotating rods are arranged at two ends of one side, away from the third motor, of the vertical plates, one rotating rod is connected with the vertical plates in a rotating mode through bearing seats, the other rotating rod is fixedly connected with a power output end of the third motor, one end, away from the vertical plates, of each rotating rod is fixedly provided with a rotating wheel, a limiting groove is formed in the outer wall surface of each rotating wheel, a rotating ring is rotatably arranged between the rotating wheels, a notch is formed in the outer wall surface of each rotating ring, a limiting ring matched with the limiting groove is fixedly arranged on one side of the outer wall surface of each rotating ring, a control box is fixedly arranged on one side of the outer wall of each rotating ring, and a camera moving assembly used for driving the camera assembly to move is fixedly arranged at the bottom end of each rotating ring.
Preferably, the camera moving assembly comprises a shell and an inner gear ring, wherein the shell is fixedly connected with the rotating ring, the inner gear ring is fixedly arranged on one side of the blanking mechanism, a third screw rod is rotatably arranged in the shell, one end of the third screw rod extends to the outside of the shell and is fixedly provided with a gear, the gear is in meshed connection with the inner gear ring, a third nut is arranged on the outer thread of the third screw rod, a connecting rod is fixedly arranged at the top end of the third nut, and the top end of the connecting rod penetrates through a groove formed in the surface of the shell and is fixedly provided with a moving seat.
Preferably, the camera assembly comprises a camera support, the camera support is fixedly arranged at the top end of the movable seat, a CCD camera is fixedly arranged at one end of the camera support, a side plate is fixedly arranged at one side of the camera support, a lens and a lamp support are fixedly arranged at one side of the side plate, and an illuminating lamp is fixedly arranged at one end of the lamp support.
Preferably, guide plates are fixedly arranged on two sides of the top end of the shell, guide seats are slidably arranged outside the guide plates, and the guide seats are fixedly arranged at the bottom ends of the movable seats.
Preferably, the feeding mechanism comprises a feeding portal fixedly mounted at the top end of the machine base, a first sliding rail and a first motor support are fixedly mounted at the top end of the feeding portal, the first motor support is located at one end of the first sliding rail, a first motor is fixedly mounted at one end of the first motor support, a first screw rod is fixedly connected with a power output end of the first motor, a first nut is slidably mounted outside the first screw rod, a first sliding seat is fixedly mounted at the top end of the first nut, the first sliding seat is slidably mounted outside the first sliding rail, a second motor support and a second sliding rail are fixedly mounted at the top end of the first sliding seat, the second sliding rail is located at one end of the second motor support, a second motor is fixedly mounted at one end of the second motor support, which is far away from the second sliding rail, a second screw rod is fixedly connected with a power output end of the second motor, a second nut is slidably mounted at the outer side of the second screw rod, a second sliding seat is fixedly mounted at the outer side of the second sliding rail, a first sliding seat is fixedly mounted at the first sliding seat, and a clamping jaw is fixedly mounted at the first sliding seat is fixedly mounted at the first end of the first sliding seat.
Preferably, the discharging mechanism comprises a discharging portal fixedly arranged at the top end of the machine base, an electric sliding rail is fixedly arranged at the top end of the discharging portal, an electric sliding block is slidably arranged outside the electric sliding rail, a second air cylinder is fixedly arranged at the top end of the electric sliding block, a third air cylinder is fixedly arranged at the output end of the second air cylinder, and a second clamping jaw air cylinder is fixedly arranged at the output end of the third air cylinder.
Preferably, the top end of the machine base is fixedly provided with a feeding conveyor, a finished product conveyor and a residual product conveyor respectively, the feeding conveyor is positioned on one side of the top end of the machine base, the finished product conveyor and the residual product conveyor are positioned on the other side of the top end of the machine base, and the finished product conveyor and the residual product conveyor are arranged side by side.
The invention provides the following technical scheme: a method for detecting a detection mechanism of a sewing machine workpiece, comprising the steps of:
S1, firstly, placing a sewing machine workpiece to be detected on a feeding conveyor by a worker, then conveying the workpiece to the vicinity of a feeding mechanism by the feeding conveyor, clamping the workpiece from the feeding conveyor by the feeding mechanism, and then conveying the workpiece between a third clamping jaw cylinder and a detection chuck;
S2, inserting one end of a workpiece into the third clamping jaw cylinder, clamping and fixing the workpiece by the third clamping jaw cylinder, and then driving the movable support to move by the fourth cylinder, so that the detection chuck can be driven to move towards the end of the workpiece, and the workpiece can be fixed on the third clamping jaw cylinder through the detection chuck;
s3, after the workpiece is fixed, the workpiece is positioned at the center of the rotating ring, the third motor works to drive one rotating rod to rotate, and through transmission of the belt, the other rotating rod can be driven to rotate in the same direction, the limiting ring outside the rotating ring is clamped in the limiting groove on the outer wall of the rotating wheel, meanwhile, the rotating wheel can rotate to drive the rotating ring to rotate, the rotating speed is low, and therefore the camera component can be driven to rotate in a degree along the periphery of the workpiece, and images of different surfaces of the workpiece are shot;
S4, when the rotating ring rotates, the shell is driven to rotate together, meanwhile, the gear at the end part of the third screw rod also rotates in the inner gear ring, and because the gear is meshed and connected with the inner gear ring, the gear rotates while rotating, the third screw rod can be driven to rotate along with the gear, the third nut can move on the third screw rod, and the movable seat can be driven to move through the connecting rod, so that the camera component can be moved from one end of the shell to the other end of the shell, and the CCD camera can be enabled to translate along the direction of a workpiece while rotating around the periphery of the workpiece for shooting;
S5, finally, the CCD camera can shoot the workpiece through the lens, the shot image is transmitted into the PLC through the wireless transmission module and then displayed by the display screen, meanwhile, the PLC processes and analyzes the shot image, and then the blanking mechanism is controlled to respectively put the finished workpiece and the defective workpiece on the finished conveyor or the defective conveyor, so that the detection of the sewing machine workpiece can be completed.
Compared with the prior art, the invention has the beneficial effects that:
According to the invention, through the workpiece detection mechanism, when the workpiece is actually used, after the workpiece is fixed by the workpiece clamping assembly, the workpiece is positioned at the center of the rotating ring, the third motor works to drive one rotating rod to rotate, the other rotating rod can be driven to rotate in the same direction through the transmission of the belt, and the limiting ring outside the rotating ring can be clamped in the limiting groove on the outer wall of the rotating wheel, so that the rotating ring can be prevented from falling, the rotating wheel can rotate to drive the rotating ring to rotate, the rotating speed is slower, the camera assembly can be driven to rotate along the periphery of the workpiece, images of different surfaces of the workpiece can be shot, the trouble of manually rotating the workpiece is replaced, the installation quantity of the CCD camera can be reduced, the cost is saved, the CCD camera can be enabled to translate along the direction of the workpiece while the CCD camera rotates around the periphery of the workpiece, and the situation that the CCD camera cannot shoot comprehensively due to overlong length of the workpiece is avoided.
Drawings
FIG. 1 is a schematic view of the whole structure of a detection mechanism for a sewing machine workpiece according to the present invention;
FIG. 2 is a front view of a detection mechanism for a sewing machine workpiece according to the present invention;
FIG. 3 is a schematic diagram of a feeding mechanism of a detection mechanism for a sewing machine workpiece according to the present invention;
FIG. 4 is a schematic diagram of a blanking mechanism of a detection mechanism for sewing machine workpieces;
FIG. 5 is a schematic view of a work piece detecting mechanism of a detecting mechanism for a work piece of a sewing machine according to the present invention;
FIG. 6 is a schematic view of a workpiece clamping assembly of a mechanism for detecting a workpiece of a sewing machine according to the present invention;
FIG. 7 is a schematic view of a visual inspection assembly of a mechanism for inspecting a workpiece of a sewing machine according to the present invention;
FIG. 8 is a schematic view of a camera moving assembly of a mechanism for detecting a workpiece of a sewing machine according to the present invention;
FIG. 9 is a half cross-sectional view of a camera movement assembly of a detection mechanism for a sewing machine workpiece according to the present invention;
FIG. 10 is a schematic view of a camera assembly of a mechanism for detecting a workpiece of a sewing machine according to the present invention.
In the figure: 10-a stand; 20-a feeding mechanism; 21-a feeding portal; 22-a first slide rail; 221-a first slide; 23-a first motor mount; 24-a first motor; 241-a first screw; 242-a first nut; 25-a second motor mount; 26-a second motor; 261-a second screw rod; 262-a second nut; 27-a second slide rail; 271-a second carriage; 28-a first cylinder; 29-a first jaw cylinder; 30-a blanking mechanism; 31-blanking door frames; 32-an electric slide rail; 33-an electric slider; 34-a second cylinder; 35-a third cylinder; 36-a second jaw cylinder; 40-a workpiece detection mechanism; 41-a bottom plate; 42-a workpiece clamping assembly; 421-fourth cylinder; 422-moving the support; 423-detecting a chuck; 424-third jaw cylinder; 43-visual inspection component; 431-vertical plate; 432-a third motor; 433-a rotating ring; 4331-a stop collar; 434-control box; 435-rotating the lever; 436-a wheel; 4361-limit grooves; 437-pulleys; 438-belt; 44-a camera movement assembly; 441-a housing; 442-gear; 443-slotting; 444-guide plates; 445-guide holder; 446-a mobile seat; 447-a third screw rod; 448-third nut; 449-connecting rod; a 45-camera assembly; 451-camera mount; 452-CCD camera; 453-lenses; 454-side plates; 455-a luminaire mount; 456-an illumination lamp; 46-an inner gear ring; 50-a feeding conveyor; 60-a finished product conveyor; 70-a residue conveyor; 80-PLC controller.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
Referring to fig. 1 to 10, the present invention provides a technical solution: a mechanism for detecting a workpiece of a sewing machine, comprising: the device comprises a machine base 10, a workpiece detection mechanism 40, a feeding mechanism 20, a discharging mechanism 30 and a PLC (programmable logic controller) 80.
The PLC controller 80 is fixedly mounted on the top end of the stand 10 near the corner, and the PLC controller 80 is used for controlling the device.
In this embodiment, the top end of the stand 10 is fixedly provided with the feeding conveyor 50, the finished product conveyor 60 and the residual product conveyor 70, the feeding conveyor 50 is located at one side of the top end of the stand 10, the finished product conveyor 60 and the residual product conveyor 70 are located at the other side of the top end of the stand 10, the finished product conveyor 60 and the residual product conveyor 70 are arranged side by side, the conveyor belts of the feeding conveyor 50, the finished product conveyor 60 and the residual product conveyor 70 are respectively provided with a plurality of storage racks for placing workpieces, the feeding conveyor 50, the finished product conveyor 60 and the residual product conveyor 70 are located at a certain distance from the top end of the stand 10, the storage racks on the conveyor belts are not affected, the feeding conveyor 50 is used for conveying undetected workpieces to the feeding mechanism 20, the finished product conveyor 60 is used for conveying detected finished product workpieces away, the residual product conveyor 70 is used for conveying detected defective workpieces away, and the feeding conveyor 50, the finished product conveyor 60 and the residual product conveyor 70 are matched with the feeding mechanism 20 and the discharging mechanism 30, automatic detection is achieved, and high manual operation is not needed.
It should be noted that, the feeding conveyor 50, the finished product conveyor 60 and the residual product conveyor 70 are all conveyors on the market, and belong to the prior art structure, and are not described herein again.
In this embodiment, the feeding mechanism 20 is disposed at a top end side of the stand 10, and the feeding mechanism 20 is used for feeding a sewing machine workpiece into the workpiece detecting mechanism 40 for detection.
In this embodiment, the blanking mechanism 30 is disposed on the other side of the top end of the stand 10, and the blanking mechanism 30 is used for taking out the detected sewing machine workpiece from the workpiece detecting mechanism 40.
In this embodiment, the workpiece detection mechanism 40 is disposed at the top end of the stand 10, and the workpiece detection mechanism 40 is used for detecting the appearance of a workpiece of the sewing machine, the workpiece detection mechanism 40 includes a bottom plate 41 and a visual detection assembly 43, the bottom plate 41 is fixedly mounted at the top end of the stand 10, the top end of the bottom plate 41 is provided with a workpiece clamping assembly 42 for clamping and fixing the workpiece of the sewing machine, and the visual detection assembly 43 is used for detecting the appearance of different surfaces of the workpiece of the sewing machine.
In the preferred technical solution of this embodiment, the workpiece clamping assembly 42 includes a fourth cylinder 421 and a third clamping jaw cylinder 424, the fourth cylinder 421 is fixedly mounted at the top end of the bottom plate 41, the third clamping jaw cylinder 424 is fixedly mounted at the top end of the bottom plate 41 through a vertical plate, a moving support 422 is fixedly mounted at the output end of the fourth cylinder 421, a detecting chuck 423 is fixedly mounted at one end of the moving support 422, the center point of the third clamping jaw cylinder 424 and the center point of the detecting chuck 423 are located on the same axis, the feeding mechanism 20 sends a sewing machine workpiece on the feeding conveyor 50 between the third clamping jaw cylinder 424 and the detecting chuck 423, then inserts one end of the workpiece into the third clamping jaw cylinder 424, and simultaneously, the third clamping jaw cylinder 424 clamps and fixes the workpiece, and then the fourth cylinder 421 drives the moving support 422 to move towards the end of the workpiece, so that the detecting chuck 423 can fix the workpiece on the third clamping jaw cylinder 424 through the detecting chuck 423, thereby realizing the fixation of the sewing machine workpiece, and preventing the occurrence of shaking or shifting during the detection.
In the preferred technical solution of this embodiment, the visual detection assembly 43 includes two symmetrically disposed risers 431 and a camera assembly 45, the risers 431 are fixedly mounted at the top end of the stand 10, two sides of the risers 431 are fixedly mounted with a third motor 432, two ends of one side of the risers 431 far away from the third motor 432 are provided with rotating rods 435, one of the rotating rods 435 is rotationally connected with the risers 431 through a bearing seat, the other rotating rod 435 is fixedly connected with a power output end of the third motor 432, one end of the rotating rod 435 far away from the risers 431 is fixedly mounted with a rotating wheel 436, the outer wall surface of the rotating wheel 436 is provided with a limiting groove 4361, a rotating ring 433 is rotatably mounted between the rotating wheels 436, a notch is formed on the outer wall surface of the rotating ring 433, one side of the outer wall surface of the rotating ring 433 is fixedly mounted with a control box 434, and the inner wall of the rotating ring 433 is fixedly mounted with a camera moving assembly 44 for driving the camera assembly 45 to move.
Further, after the workpiece is fixed by the workpiece clamping assembly 42, the workpiece is located at the center of the rotating ring 433 at this time, the third motor 432 works to drive one of the rotating rods 435 to rotate, and through the transmission of the belt 438, the other rotating rod 435 can be driven to rotate in the same direction, and the limiting ring 4331 outside the rotating ring 433 can be clamped in the limiting groove 4361 on the outer wall of the rotating wheel 436, so that the rotating ring 433 can be prevented from falling, and meanwhile, the rotating wheel 436 can also drive the rotating ring 433 to rotate, and the rotating speed is slower, so that the camera assembly 45 can be driven to rotate 360 degrees along the periphery of the workpiece, images of different surfaces of the workpiece can be shot, the trouble of manually rotating the workpiece can be replaced, the installation quantity of the CCD camera can be reduced, the cost is saved, and the detection accuracy can be improved.
It should be noted that, the outer wall of the rotating ring 433 is provided with a gap, the workpiece can be placed on the workpiece clamping assembly 42 through the gap, and after the detection is completed, the gap of the rotating ring 433 is always upward, so that the unloading mechanism 30 is convenient for taking out the workpiece from the gap, and meanwhile, the loading mechanism 20 is also convenient for loading the workpiece through the gap.
In the preferred technical solution of this embodiment, the camera moving assembly 44 includes a housing 441 and an inner gear ring 46, the housing 441 is fixedly connected with the rotating ring 433, the inner gear ring 46 is fixedly mounted on one side of the blanking mechanism 30, a third screw rod 447 is rotatably mounted inside the housing 441, one end of the third screw rod 447 extends to the outside of the housing 441 and is fixedly mounted with a gear 442, the gear 442 is engaged with the inner gear ring 46, a third nut 448 is mounted on the outer thread of the third screw rod 447, a connecting rod 449 is fixedly mounted on the top end of the third nut 448, and the top end of the connecting rod 449 penetrates through a slot 443 formed in the surface of the housing 441 and is fixedly mounted with a moving seat 446.
Further, when the rotating ring 433 rotates, the housing 441 is also driven to rotate together, meanwhile, the gear 442 at the end of the third screw rod 447 also rotates in the inner gear ring 46, and because the gear 442 is meshed with the inner gear ring 46, the gear 442 rotates while rotating, so that the third screw rod 447 can be driven to rotate along with the gear 442, the third nut 448 can move on the third screw rod 447, and the moving seat 446 can be driven to move through the connecting rod 449, so that the camera assembly 45 can be moved from one end of the housing 441 to the other end of the housing 441 (the camera assembly 45 can be moved from one end of the workpiece to the other end of the workpiece), and therefore, the CCD camera 452 can translate along the direction of the workpiece while the CCD camera 452 rotates around the periphery of the workpiece, so that images of each place on the workpiece can be ensured to be shot, and the condition that the CCD camera is not comprehensive due to overlong length of the workpiece can be avoided.
In the preferred technical scheme of this embodiment, camera assembly 45 includes camera support 451, camera support 451 fixed mounting is in the removal seat 446 top, camera support 451 one end fixed mounting has CCD camera 452, camera support 451 one side fixed mounting has curb plate 454, curb plate 454 one side fixed mounting has lens 453 and lamps and lanterns support 455, lamps and lanterns support 455 one end fixed mounting has illumination lamp 456, and CCD camera 452 can take a picture the work piece through lens 453, and the image of taking can pass through wireless transmission module and transmit to PLC controller 80 in, then show by the display screen again, and PLC controller 80 can carry out the processing analysis with the image of taking simultaneously, then control unloading mechanism 30 and distinguish the work piece of finished product and the work piece of defective goods.
It should be noted that, the control box 434 is internally provided with a chip, a wireless transmission module and a battery, the CCD camera 452 is electrically connected with the wireless transmission module, the battery is used for supplying power to the chip, the wireless transmission module, the CCD camera 452 and the illumination lamp 456, and no external connection wire is needed, so that the rotation of the camera assembly 45 is not affected.
In the preferred technical solution of this embodiment, the two sides of the top end of the housing 441 are fixedly provided with the guide plates 444, the guide holders 445 are slidably mounted outside the guide plates 444, and the guide holders 445 are fixedly mounted at the bottom ends of the moving holders 446, so that when the moving holders 446 move, the guide holders 445 are also driven to move outside the guide plates 444, and the moving stability of the moving holders 446 can be improved.
In the preferred technical solution of this embodiment, the feeding mechanism 20 includes a feeding gantry 21 fixedly mounted on the top end of the machine base 10, a first slide rail 22 and a first motor support 23 are fixedly mounted on the top end of the feeding gantry 21, the first motor support 23 is located at one end of the first slide rail 22, a first motor 24 is fixedly mounted at one end of the first motor support 23, a first screw rod 241 is fixedly connected to a power output end of the first motor 24, a first nut 242 is slidably mounted on the outside of the first screw rod 241, a first slide carriage 221 is fixedly mounted on the top end of the first nut 242, the first slide carriage 221 is slidably mounted on the outside of the first slide rail 22, a second motor support 25 and a second slide rail 27 are fixedly mounted on the top end of the first slide carriage 221, the second slide rail 27 is located at one end of the second motor support 25, a second motor 26 is fixedly mounted at one end of the second motor support 25 far away from the second slide rail 27, a second screw rod 261 is fixedly connected to a power output end of the second motor 26, a second screw rod 261 is slidably mounted on the outside of the second screw rod 261, a second nut 262 is slidably mounted on the outside of the second screw rod 262, a second cylinder 271 is fixedly mounted at the outside of the second slide carriage 29, a second cylinder 271 is fixedly mounted at the second end of the second slide carriage 29, and a cylinder 271 is fixedly mounted on the outside of the first cylinder.
Further, the first motor 24 works to drive the first screw rod 241 to rotate, the first nut 242 drives the first sliding seat 221 to slide on the first sliding rail 22, so that the first clamping jaw cylinder 29 can be driven to move in the X-axis direction, the second motor 26 works to drive the second screw rod 261 to rotate, the second nut 262 drives the second sliding seat 271 to slide on the second sliding rail 27, so that the first clamping jaw cylinder 29 can be driven to move in the Z-axis direction, the first cylinder 28 can drive the first clamping jaw cylinder 29 to move in the Y-axis direction, and therefore the omnibearing movement of the first clamping jaw cylinder 29 can be realized, the operation is flexible, and a workpiece can be clamped from the feeding conveyor 50 through the first clamping jaw cylinder 29 and then put into the workpiece clamping assembly 42.
In the preferred technical solution of this embodiment, the blanking mechanism 30 includes a blanking portal 31 fixedly mounted on the top end of the stand 10, an electric slide rail 32 is fixedly mounted on the top end of the blanking portal 31, an electric slide block 33 is slidably mounted outside the electric slide rail 32, a second air cylinder 34 is fixedly mounted on the top end of the electric slide block 33, a third air cylinder 35 is fixedly mounted on the output end of the second air cylinder 34, a second clamping jaw air cylinder 36 is fixedly mounted on the output end of the third air cylinder 35, the electric slide rail 32 works to drive the electric slide block 33 to move, then the second air cylinder 34 can be driven to move in the X-axis direction, meanwhile, the second air cylinder 34 can also drive the third air cylinder 35 to move in the Z-axis direction, the third air cylinder 35 can simultaneously drive the second clamping jaw air cylinder 36 to move in the Y-axis direction, the second clamping jaw air cylinder 36 can be sent to the vicinity of a workpiece, and then the second air cylinder 36 clamps the workpiece, so that the workpiece detected on the workpiece clamping assembly 42 can be sent to the finished product conveyor 60 or the residual conveyor 70 respectively.
Example two
Referring to fig. 1 to 10, the present invention provides a technical solution: a method for detecting a detection mechanism of a sewing machine workpiece, comprising the steps of:
S1, firstly, placing a sewing machine workpiece to be detected on a feeding conveyor 50 by a worker, then conveying the workpiece to the vicinity of a feeding mechanism 20 by the feeding conveyor 50, and then clamping the workpiece from the feeding conveyor 50 by the feeding mechanism 20 and then conveying the workpiece between a third clamping jaw cylinder 424 and a detection chuck 423;
S2, inserting one end of a workpiece into the third clamping jaw cylinder 424, clamping and fixing the workpiece by the third clamping jaw cylinder 424, and then driving the movable support 422 to move by the fourth cylinder 421, so that the detection chuck 423 can be driven to move towards the end of the workpiece, and the workpiece can be fixed on the third clamping jaw cylinder 424 by the detection chuck 423;
S3, after the workpiece is fixed, the workpiece is positioned at the center of the rotating ring 433, the third motor 432 works to drive one rotating rod 435 to rotate, and the other rotating rod 435 can be driven to rotate in the same direction through the transmission of the belt 438, the limiting ring 4331 outside the rotating ring 433 is clamped in the limiting groove 4361 on the outer wall of the rotating wheel 436, and meanwhile, the rotating wheel 436 rotates to drive the rotating ring 433 to rotate, and the rotating speed is slower, so that the camera assembly 45 can be driven to rotate 360 degrees along the periphery of the workpiece, and images of different surfaces of the workpiece are shot;
S4, when the rotary ring 433 rotates, the shell 441 is driven to rotate together, meanwhile, the gear 442 at the end part of the third screw rod 447 also rotates in the inner toothed ring 46, and because the gear 442 is meshed with the inner toothed ring 46, the gear 442 rotates while rotating, the third screw rod 447 can be driven to rotate along with the gear 442, the third nut 448 can move on the third screw rod 447, and the movable seat 446 can be driven to move through the connecting rod 449, so that the camera assembly 45 can be moved from one end of the shell 441 to the other end of the shell 441, and the CCD camera 452 can translate along the direction of a workpiece while the CCD camera 452 rotates around the periphery of the workpiece to shoot;
S5, finally, the CCD camera 452 can shoot the workpiece through the lens 453, the shot image is transmitted into the PLC 80 through the wireless transmission module and then displayed by the display screen, meanwhile, the PLC 80 processes and analyzes the shot image, and then controls the blanking mechanism 30 to put the finished workpiece and the defective workpiece on the finished product conveyor 60 or the defective conveyor 70 respectively, so that the detection of the sewing machine workpiece can be completed.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. A mechanism for detecting a workpiece of a sewing machine, comprising:
A stand (10);
The sewing machine comprises a machine base (10), a workpiece detection mechanism (40) and a visual detection assembly (43), wherein the workpiece detection mechanism (40) is arranged at the top end of the machine base (10), the workpiece detection mechanism (40) is used for detecting the appearance of a sewing machine workpiece, the workpiece detection mechanism (40) comprises a bottom plate (41) and the visual detection assembly (43), the bottom plate (41) is fixedly arranged at the top end of the machine base (10), the top end of the bottom plate (41) is provided with a workpiece clamping assembly (42) for clamping and fixing the sewing machine workpiece, and the visual detection assembly (43) is used for detecting the appearance of different surfaces of the sewing machine workpiece;
the feeding mechanism (20) is arranged on one side of the top end of the machine base (10), and the feeding mechanism (20) is used for feeding a sewing machine workpiece into the workpiece detection mechanism (40) for detection;
The blanking mechanism (30) is arranged on the other side of the top end of the machine seat (10), and the blanking mechanism (30) is used for taking out the detected sewing machine workpiece from the workpiece detection mechanism (40);
The PLC (80) is fixedly arranged at the top end of the machine base (10) and close to the corners;
The visual detection assembly (43) comprises two symmetrically arranged vertical plates (431) and a camera assembly (45), a third motor (432) is fixedly arranged on one side of each vertical plate (431), rotating rods (435) are arranged at two ends of one side, far away from each third motor (432), of each vertical plate (431), one rotating rod (435) is rotationally connected with each vertical plate (431) through a bearing seat, the other rotating rod (435) is fixedly connected with a power output end of each third motor (432), one end, far away from each vertical plate (431), of each rotating rod (435) is fixedly provided with a rotating wheel (436), limiting grooves (4361) are formed in the outer wall surfaces of the rotating wheels (436), rotating rings (433) are rotationally arranged between the rotating wheels (436), gaps are formed in the outer wall surfaces of the rotating rings (433), limiting rings (4331) matched with the limiting grooves (4361) are fixedly arranged on the outer wall surfaces of the rotating rings (433), a control box (434) is fixedly arranged on one side of the outer wall of each rotating ring (433), and the inner wall of each rotating ring (433) is fixedly provided with a camera assembly (45) which is used for driving the camera assembly to move;
The camera moving assembly (44) comprises a shell (441) and an inner gear ring (46), wherein the shell (441) is fixedly connected with the rotating ring (433), the inner gear ring (46) is fixedly arranged on one side of the blanking mechanism (30), a third screw rod (447) is rotatably arranged inside the shell (441), one end of the third screw rod (447) extends to the outside of the shell (441) and is fixedly provided with a gear (442), the gear (442) is meshed with the inner gear ring (46), a third nut (448) is arranged on the outer thread of the third screw rod (447), a connecting rod (449) is fixedly arranged at the top end of the third nut (448), and a movable seat (446) is fixedly arranged through a groove (443) formed in the surface of the shell (441).
2. The mechanism for detecting a workpiece of a sewing machine of claim 1, wherein: the workpiece clamping assembly (42) comprises a fourth air cylinder (421) and a third clamping jaw air cylinder (424), the fourth air cylinder (421) is fixedly arranged at the top end of the bottom plate (41), the third clamping jaw air cylinder (424) is fixedly arranged at the top end of the bottom plate (41) through a vertical plate, a movable support (422) is fixedly arranged at the output end of the fourth air cylinder (421), a detection chuck (423) is fixedly arranged at one end of the movable support (422), and the center point of the third clamping jaw air cylinder (424) and the center point of the detection chuck (423) are located on the same axis.
3. The mechanism for detecting a workpiece of a sewing machine of claim 1, wherein: the camera assembly (45) comprises a camera support (451), the camera support (451) is fixedly arranged at the top end of the movable seat (446), a CCD camera (452) is fixedly arranged at one end of the camera support (451), a side plate (454) is fixedly arranged on one side of the camera support (451), a lens (453) and a lamp support (455) are fixedly arranged on one side of the side plate (454), and an illuminating lamp (456) is fixedly arranged at one end of the lamp support (455).
4. The mechanism for detecting a workpiece of a sewing machine of claim 1, wherein: guide plates (444) are fixedly arranged on two sides of the top end of the shell (441), guide seats (445) are slidably arranged outside the guide plates (444), and the guide seats (445) are fixedly arranged at the bottom ends of the movable seats (446).
5. The mechanism for detecting a workpiece of a sewing machine of claim 1, wherein: the feeding mechanism (20) comprises a feeding portal (21) fixedly mounted at the top end of the machine base (10), a first sliding rail (22) and a first motor support (23) are fixedly mounted at the top end of the feeding portal (21), the first motor support (23) is located at one end of the first sliding rail (22), a first motor (24) is fixedly mounted at one end of the first motor support (23), a first screw rod (241) is fixedly connected with the power output end of the first motor (24), a first nut (242) is slidably mounted at the outer part of the first screw rod (241), a first sliding seat (221) is fixedly mounted at the top end of the first nut (242), the first sliding seat (221) is slidably mounted at the outer part of the first sliding rail (22), a second motor support (25) and a second sliding rail (27) are fixedly mounted at the top end of the first sliding seat (221), a second motor (26) is fixedly mounted at one end of the second motor support (25) far away from the second sliding rail (27), a second screw rod (262) is fixedly mounted at the second end of the second motor support (25), a second screw rod (262) is fixedly mounted at the second end of the second sliding seat (261), and second slide (271) slidable mounting is outside in second slide rail (27), second slide (271) one end fixed mounting has first cylinder (28), first cylinder (28) output has first clamping jaw cylinder (29).
6. The mechanism for detecting a workpiece of a sewing machine of claim 1, wherein: the blanking mechanism (30) comprises a blanking portal (31) fixedly mounted at the top end of the machine base (10), an electric sliding rail (32) is fixedly mounted at the top end of the blanking portal (31), an electric sliding block (33) is mounted outside the electric sliding rail (32) in a sliding mode, a second air cylinder (34) is fixedly mounted at the top end of the electric sliding block (33), a third air cylinder (35) is fixedly mounted at the output end of the second air cylinder (34), and a second clamping jaw air cylinder (36) is fixedly mounted at the output end of the third air cylinder (35).
7. The mechanism for detecting a workpiece of a sewing machine of claim 1, wherein: the automatic feeding machine is characterized in that a feeding conveyor (50), a finished product conveyor (60) and a residual product conveyor (70) are fixedly arranged at the top end of the machine base (10), the feeding conveyor (50) is located at one side of the top end of the machine base (10), the finished product conveyor (60) and the residual product conveyor (70) are located at the other side of the top end of the machine base (10), and the finished product conveyor (60) and the residual product conveyor (70) are arranged side by side.
8. A method for detecting by a detecting mechanism for a sewing machine workpiece according to any one of claims 1 to 7, comprising the steps of:
S1, firstly, placing a sewing machine workpiece to be detected on a feeding conveyor (50), then conveying the workpiece to the vicinity of a feeding mechanism (20) by the feeding conveyor (50), and then clamping the workpiece from the feeding conveyor (50) by the feeding mechanism (20) and then conveying the workpiece between a third clamping jaw cylinder (424) and a detection chuck (423);
S2, inserting one end of a workpiece into the third clamping jaw cylinder (424), clamping and fixing the workpiece by the third clamping jaw cylinder (424), and then driving the movable support (422) to move by the fourth cylinder (421), so that the detection chuck (423) can be driven to move towards the end of the workpiece, and the workpiece can be fixed on the third clamping jaw cylinder (424) through the detection chuck (423);
S3, after the workpiece is fixed, the workpiece is positioned at the center of the rotating ring (433), the third motor (432) works to drive one rotating rod (435) to rotate, and through the transmission of the belt (438), the other rotating rod (435) can be driven to rotate in the same direction, the limiting ring (4331) outside the rotating ring (433) can be clamped in the limiting groove (4361) on the outer wall of the rotating wheel (436), meanwhile, the rotating wheel (436) can also drive the rotating ring (433) to rotate, the rotating speed is lower, and the camera assembly (45) can be driven to rotate 360 degrees along the periphery of the workpiece to shoot images of different surfaces of the workpiece;
S4, when the rotary ring (433) rotates, the shell (441) is driven to rotate together, meanwhile, the gear (442) at the end part of the third screw rod (447) also rotates in the inner toothed ring (46), and because the gear (442) is meshed and connected with the inner toothed ring (46), the gear (442) rotates while rotating, the third screw rod (447) can be driven to rotate along with the gear (442), the third nut (448) moves on the third screw rod (447), and the movable seat (446) can be driven to move through the connecting rod (449), so that the camera assembly (45) can be moved from one end of the shell (441) to the other end of the shell (441), and the CCD camera (452) can be rotated around the periphery of a workpiece to shoot, and meanwhile, the CCD camera (452) can be translated along the direction of the workpiece;
S5, finally, the CCD camera (452) can shoot the workpiece through the lens (453), the shot image is transmitted into the PLC (80) through the wireless transmission module and then displayed by the display screen, meanwhile, the PLC (80) can process and analyze the shot image, and then the blanking mechanism (30) is controlled to put the finished workpiece and the defective workpiece on the finished product conveyor (60) or the defective workpiece conveyor (70) respectively, so that the detection of the sewing machine workpiece can be completed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311280315.1A CN117309880B (en) | 2023-10-07 | 2023-10-07 | Detection mechanism and detection method for sewing machine workpiece |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311280315.1A CN117309880B (en) | 2023-10-07 | 2023-10-07 | Detection mechanism and detection method for sewing machine workpiece |
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| CN117309880B true CN117309880B (en) | 2024-05-10 |
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| CN210763135U (en) * | 2019-10-31 | 2020-06-16 | 广东利元亨智能装备股份有限公司 | Feeding equipment |
| CN216594741U (en) * | 2021-12-10 | 2022-05-24 | 广州捷佳金属制品有限公司 | Metal product quality detection device |
| CN115393565A (en) * | 2022-08-22 | 2022-11-25 | 黄河科技学院 | Omnibearing depth image acquisition device and use method thereof |
| CN218584680U (en) * | 2022-09-15 | 2023-03-07 | 洛阳创想自动化设备有限公司 | Quality inspection equipment based on machine vision |
| CN116000495A (en) * | 2023-02-15 | 2023-04-25 | 江西吉为科技有限公司 | Machine vision detection device |
| CN219335013U (en) * | 2023-02-28 | 2023-07-14 | 安徽思普泰克智能制造科技有限公司 | Blade size detection machine based on CCD visual detection |
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2023
- 2023-10-07 CN CN202311280315.1A patent/CN117309880B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN210763135U (en) * | 2019-10-31 | 2020-06-16 | 广东利元亨智能装备股份有限公司 | Feeding equipment |
| CN216594741U (en) * | 2021-12-10 | 2022-05-24 | 广州捷佳金属制品有限公司 | Metal product quality detection device |
| CN115393565A (en) * | 2022-08-22 | 2022-11-25 | 黄河科技学院 | Omnibearing depth image acquisition device and use method thereof |
| CN218584680U (en) * | 2022-09-15 | 2023-03-07 | 洛阳创想自动化设备有限公司 | Quality inspection equipment based on machine vision |
| CN116000495A (en) * | 2023-02-15 | 2023-04-25 | 江西吉为科技有限公司 | Machine vision detection device |
| CN219335013U (en) * | 2023-02-28 | 2023-07-14 | 安徽思普泰克智能制造科技有限公司 | Blade size detection machine based on CCD visual detection |
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