CN115494073A - Sheet metal component outward appearance check out test set based on machine vision - Google Patents
Sheet metal component outward appearance check out test set based on machine vision Download PDFInfo
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- CN115494073A CN115494073A CN202211277271.2A CN202211277271A CN115494073A CN 115494073 A CN115494073 A CN 115494073A CN 202211277271 A CN202211277271 A CN 202211277271A CN 115494073 A CN115494073 A CN 115494073A
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- 238000001514 detection method Methods 0.000 claims abstract description 55
- 230000007246 mechanism Effects 0.000 claims abstract description 12
- 230000001105 regulatory effect Effects 0.000 claims abstract description 7
- 238000012216 screening Methods 0.000 claims description 33
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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
- G01N21/89—Investigating the presence of flaws or contamination in moving material, e.g. running paper or textiles
- G01N21/892—Investigating the presence of flaws or contamination in moving material, e.g. running paper or textiles characterised by the flaw, defect or object feature examined
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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
- B07C5/02—Measures preceding sorting, e.g. arranging articles in a stream orientating
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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
- B07C5/34—Sorting according to other particular properties
- B07C5/342—Sorting according to other particular properties according to optical properties, e.g. colour
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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
- B07C5/34—Sorting according to other particular properties
- B07C5/342—Sorting according to other particular properties according to optical properties, e.g. colour
- B07C5/3422—Sorting according to other particular properties according to optical properties, e.g. colour using video scanning devices, e.g. TV-cameras
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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
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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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Abstract
The invention belongs to the technical field of sheet metal process appearance detection, and particularly relates to sheet metal part appearance detection equipment based on machine vision. This sheet metal component outward appearance check out test set based on machine vision, through setting up adjustment mechanism, transport the work piece to the mount below when the conveyer belt, the clockwise rotation of first motor output shaft drives the two-way lead screw clockwise rotation in the first spout, the clockwise rotation of two-way lead screw drives two thread bush and draws close to both ends on two-way lead screw along the inner wall of first spout respectively, the removal of thread bush drives first pneumatic cylinder and removes, the piston rod stretches out when first pneumatic cylinder removes and drives the regulating plate and move down, the position placed in the middle of the conveyer belt is adjusted to the work piece on with the conveyer belt to the regulating plate, thereby reach the effect of fixing a position the work piece.
Description
Technical Field
The invention relates to the technical field of sheet metal process appearance detection, in particular to sheet metal part appearance detection equipment based on machine vision.
Background
Sheet metal is also sometimes coined, and typically some sheet metal is plastically deformed by hand or die stamping into the desired shape and size, and further welded or machined in small amounts to form more complex parts.
The existing sheet metal process still takes manual visual detection as a main part in the manufacturing process, and the sheet metal is placed under lamplight, manually overturned, and observed and detected through naked eyes. The method is time-consuming and labor-consuming, the detection precision is not high, the rhythm is slow, the labor intensity is high, a part of the method utilizes a visual detection system to replace human eyes for measurement and judgment, and the visual detection system replaces the human eyes with an industrial camera to complete the functions of identification, measurement, positioning and the like. The general visual detection system is formed by combining a camera, a lens and a light source, can replace manual work to finish detection of bar code characters, cracks, packages, complete surface layers, depressions and the like, can effectively improve the detection speed and precision of a production line by using the visual detection system, greatly improves the yield and quality, reduces the labor cost, and simultaneously prevents misjudgment caused by eye fatigue.
However, when the vision inspection system is used in the current factory building, most of the workpieces are stacked together after production is completed, and then the workpieces are manually and sequentially placed below the camera of the appearance inspection instrument one by one for inspection, so that the workpieces are easily damaged in the transportation process, and meanwhile, the workers are easily fatigued and have no concentration when being in the same working state for a long time, so that the workpieces are easily inspected for many times or unqualified products and qualified products are easily mixed, and further the production efficiency is influenced.
Disclosure of Invention
Based on the prior art, the invention provides sheet metal part appearance detection equipment based on machine vision.
The invention provides sheet metal part appearance detection equipment based on machine vision, which comprises a conveyor belt, a workbench, a screening table, an appearance detector, an adjusting mechanism, a detection and transportation device and a screening and conveying device, wherein the surface of one side of the workbench is fixedly arranged at one end of the conveyor belt, and the two sides of the lower surface of the appearance detector are fixedly arranged on the upper surface of the workbench;
the adjusting mechanism is arranged above the bracket of the conveyor belt and adjusts the position of the outer surface of the workpiece which is transported by the conveyor belt and is just produced so as to center the workpiece on the conveyor belt;
the detection and transportation device is arranged on the upper surface of the workbench, detects the workpiece transported to the workbench through the conveyor belt, and transports the workpiece to the screening table after detection;
the screening and conveying device is arranged on the screening table and screens the workpieces detected by the appearance detection machine, so that the qualified workpieces are transported away after being filled.
Preferably, a first induction type limit switch is fixedly mounted on the inner wall of the support of the conveyor belt.
Through above-mentioned technical scheme, the work piece after the production is transported through the conveyer belt, and first induction type limit switch senses the motor stall on the work piece back control conveyer belt, through the pause time that first induction type limit switch set up, and the time is arrived, and first induction type limit switch controls the conveyer belt again and continues the operation, until sensing the work piece next time, reaches the effect that prevents the work piece and pile up.
Preferably, adjustment mechanism includes the mount, the lower surface both sides fixed mounting of mount be in the support upper surface both sides of conveyer belt, first spout has been seted up to the inboard surface of mount, the inner wall of first spout has two-way lead screw through bearing fixed mounting, the outer fixed surface of mount installs first motor, the output shaft one end of first motor with the one end fixed socket joint of two-way lead screw.
Through above-mentioned technical scheme, the rotation of first motor output shaft drives the two-way lead screw rotation in the first spout.
Preferably, the outer surface both sides of two-way lead screw threaded connection respectively have the thread bush, the surface of thread bush with the inner wall slip joint of first spout, two the lower surface of thread bush is the first pneumatic cylinder of fixedly connected with respectively, two the piston rod one end of first pneumatic cylinder is fixedly connected with regulating plate respectively.
Through above-mentioned technical scheme, because two-way lead screw is the levogyration lead screw, two-way lead screw threaded part's screw is half the levogyration, half is the dextrorotation, therefore two-way lead screw is when rotatory to a direction, then two thread bush on the screw are separated or draw close to two on two-way lead screw along the inner wall of first spout, the removal of thread bush drives first pneumatic cylinder and removes, first pneumatic cylinder is at the removal in-process, thereby the piston rod one end of first pneumatic cylinder stretches out and draws back and drives the regulating plate and remove on vertical direction.
Preferably, it includes the recess to detect conveyer, the inside wall of recess has two pivots through bearing fixed mounting respectively, the surface of pivot is fixed the cover respectively and is equipped with two belt pulleys, two the surface of belt pulley transmission respectively is connected with conveyer, the inner wall fixed mounting of workstation has the second motor, the output shaft one end of second motor with the one end of pivot is fixed to be cup jointed.
Through above-mentioned technical scheme, the rotation of second motor output shaft drives the pivot and rotates, and the rotation of pivot drives the belt pulley and rotates, and the rotation of belt pulley drives conveyer and rotates, and conveyer's rotation is transported the work piece.
Preferably, the inner wall fixed mounting of recess has second induction type limit switch, the inner wall fixed mounting of workstation has the second pneumatic cylinder, the piston rod one end of second pneumatic cylinder extends to in the recess and fixedly connected with backup pad.
Through above-mentioned technical scheme, second induction type limit switch sets up unanimously with first induction type limit switch's pause time, and control second motor stall when second induction type limit switch senses the work piece on the conveyer, and the piston rod of second pneumatic cylinder stretches out and drives the backup pad and surpass conveyer and drive the work piece and shift up to the outward appearance of outward appearance detection machine to the work piece detects, and the display screen synchronous display on the testing result passes through the outward appearance detection machine comes out.
Preferably, the other side fixed surface of workstation installs the slip table, a side surface of slip table with a side fixed surface of screening platform is connected, the standing groove has been seted up to the upper surface of screening platform, the inside wall fixedly connected with blotter of standing groove.
Through above-mentioned technical scheme, the upper surface of slip table sets up to the inclined plane of downward sloping, and in the inclined plane landing to the standing groove of screening platform of work piece through the slip table along with conveyer transports the slip table, the blotter prevents that the work piece from colliding with the inner wall of standing groove.
Preferably, screening conveyor includes a supporting table, the last fixed surface of supporting table installs electric telescopic handle, electric telescopic handle's one end extends to the inner wall and the fixedly connected with push pedal of standing groove, the last fixed surface of screening platform installs the arm, the one end fixed mounting of arm has vacuum chuck.
Through above-mentioned technical scheme, brace table fixed stay electric telescopic handle, when the outward appearance detects that the machine detects unqualified work piece and falls into the standing groove, electric telescopic handle's one end stretches out and drives push pedal horizontal migration to drive the push pedal and release the standing groove with the work piece, when detecting qualified work piece and falling into the standing groove, the arm drives vacuum chuck and holds the work piece in with the standing groove and mention.
Preferably, the outer surface of the other side of the screening table is provided with two guide rails respectively, the outer surfaces of the two guide rails are respectively in sliding clamping connection with a sliding block, a fixed seat is fixedly installed between the two guide rails, a second sliding groove is formed in the upper surface of the fixed seat, a screw rod is fixedly installed on the inner wall of the second sliding groove through a bearing, a moving block is in threaded connection with the outer surface of the screw rod, the outer surface of the moving block is in sliding clamping connection with the inner wall of the second sliding groove, a third motor is fixedly installed on the inner wall of the fixed seat, and one end of an output shaft of the third motor is fixedly sleeved with one end of the screw rod.
Through the technical scheme, the rotation of the output shaft of the third motor drives the screw rod in the second sliding groove to rotate, and the rotation of the screw rod drives the moving block to move on the screw rod along the inner wall of the second sliding groove.
Preferably, the upper surfaces of the two sliding blocks are respectively provided with a clamping groove, the upper surface of the moving block is provided with a limiting groove, the upper surface of the moving block is provided with a frame, the lower surface of the frame is respectively and fixedly connected with a limiting block and a clamping block, and the outer surface of the clamping block is fixedly connected with a spring plate.
Through above-mentioned technical scheme, the lower surface of frame is fixed a position with the spacing groove through the stopper, then drives fixture block and draw-in groove joint, and the fixture block drives the shell fragment with the contact of draw-in groove and receives the extrusion and take place deformation, gets into the draw-in groove when the shell fragment, with the inner wall joint of draw-in groove under the effect of self elasticity, the removal of movable block drives the frame and removes, when needing to change the frame, mentions the frame hard, is connected with slider and movable block respectively through same mode with another frame again.
The beneficial effects of the invention are as follows:
1. through setting up adjustment mechanism, when conveyer belt transportation work piece to mount below, first motor starts, the clockwise rotation of first motor output shaft drives the clockwise rotation of two-way lead screw in the first spout, the clockwise rotation of two-way lead screw drives two thread bushings and draws close to both ends on two-way lead screw along the inner wall of first spout respectively, the removal of thread bushing drives first pneumatic cylinder and removes, the piston rod stretches out when first pneumatic cylinder removes and drives the regulating plate and move down, the position placed in the middle of conveyer belt is adjusted to the work piece position on with the conveyer belt until the regulating plate, thereby reach the effect of fixing a position the work piece.
2. Through setting up the detection conveyer, work piece on the conveyer belt is transported along with the conveyer belt, it rotates to drive the pivot under the rotation of second motor output shaft, the rotation of pivot drives the belt pulley and rotates, the rotation of belt pulley drives the conveyer belt and rotates, thereby it transports forward to drive the work piece, when second induction type limit switch senses the work piece, control second motor stall, then the piston rod of second pneumatic cylinder stretches out to drive the backup pad and crosses conveyer belt and drive the work piece and shift up, and then the outward appearance of outward appearance detection machine to the work piece detects, the result of detection shows on the display screen, after having detected, the piston rod shrink of second pneumatic cylinder resets and drives the backup pad and put back the work piece on the conveyer belt again, second induction type limit switch controls the restart of second motor after arriving time, reach the effect of being convenient for detect and transport work piece.
3. Through setting up screening conveyor, when detecting conveyer and transport the slip table after accomplishing the work piece detection, the work piece slides down along the face of slip table downward sloping to in the standing groove with the screening platform, detect unqualified work piece, electric telescopic handle's one end stretches out and drives push pedal horizontal migration, thereby drive the push pedal and release the standing groove with the work piece, detect qualified work piece, the arm drives vacuum chuck and holds the work piece in the standing groove and mentions in transporting the frame, then start the third motor, the rotation of carrying the axle of third motor drives the screw rod and rotates, the rotation of screw rod drives the movable block and moves on the screw rod along the second spout, the removal of movable block drives the frame and removes, the removal of frame drives the slider and removes along the guide rail, thereby reach the effect of autofilter work piece.
Drawings
Fig. 1 is a schematic diagram of a sheet metal part appearance detection device based on machine vision according to the present invention;
FIG. 2 is a perspective view of a bidirectional screw structure of the sheet metal part appearance detection device based on machine vision provided by the invention;
FIG. 3 is a perspective view of a workbench structure of the sheet metal part appearance detection device based on machine vision according to the present invention;
FIG. 4 is a perspective view of a conveyor belt structure of the sheet metal part appearance detection device based on machine vision according to the present invention;
FIG. 5 is a perspective view of a second hydraulic cylinder structure of the sheet metal part appearance inspection apparatus based on machine vision according to the present invention;
FIG. 6 is a perspective view of a mechanical arm structure of the sheet metal part appearance detection equipment based on machine vision provided by the invention;
FIG. 7 is a perspective view of a guide rail structure of the sheet metal part appearance detection device based on machine vision, which is provided by the invention;
fig. 8 is a perspective view of a frame structure of the sheet metal part appearance detection device based on machine vision.
In the figure: 1. a conveyor belt; 2. a work table; 3. a screening table; 4. an appearance detection machine; 5. a fixed mount; 51. a first chute; 52. a bidirectional lead screw; 53. a first motor; 54. a threaded sleeve; 55. a first hydraulic cylinder; 56. an adjusting plate; 6. a groove; 61. a rotating shaft; 62. a belt pulley; 63. a conveyor belt; 64. a second motor; 65. a second inductive limit switch; 66. a second hydraulic cylinder; 67. a support plate; 7. a support table; 701. an electric telescopic rod; 702. pushing the plate; 703. a mechanical arm; 704. a vacuum chuck; 705. a guide rail; 706. a slider; 707. a fixed seat; 708. a second chute; 709. a screw; 710. a moving block; 711. a third motor; 712. a card slot; 713. a limiting groove; 714. a frame; 715. a limiting block; 716. a clamping block; 717. a spring plate; 8. a first inductive limit switch; 9. a sliding table; 10. a placement groove; 11. a cushion pad.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-8, the sheet metal part appearance detection equipment based on machine vision comprises a conveyor belt 1, a workbench 2, a screening table 3, an appearance detector 4, an adjusting mechanism, a detection and transportation device and a screening and conveying device, wherein the surface of one side of the workbench 2 is fixedly arranged at one end of the conveyor belt 1, and the two sides of the lower surface of the appearance detector 4 are fixedly arranged on the upper surface of the workbench 2;
in order to transport the workpieces in sequence and prevent the workpieces from being stacked on the conveyor belt 1, a first induction type limit switch 8 is fixedly installed on the inner wall of a support of the conveyor belt 1, the first induction type limit switch 8 controls a motor on the conveyor belt 1 to stop running after sensing the workpieces, and after a certain time, the first induction type limit switch 8 controls the conveyor belt 1 to continue running again until the workpieces are sensed next time;
the adjusting mechanism is arranged above the bracket of the conveyor belt 1 and adjusts the position of the outer surface of a workpiece which is transported by the conveyor belt 1 and is just produced so as to center the workpiece on the conveyor belt 1, and the adjusting mechanism comprises a fixed frame 5, a first chute 51, a two-way screw 52, a first motor 53, a threaded sleeve 54, a first hydraulic cylinder 55 and an adjusting plate 56;
in order to support other structures in the adjusting mechanism, fixing frames 5 are fixedly installed on two sides of the upper surface of a support of the conveyor belt 1, a first sliding groove 51 is formed in the inner side surface of each fixing frame 5, in order to synchronously adjust two sides of the outer surface of a workpiece, a bidirectional screw 52 is fixedly installed on the inner wall of each first sliding groove 51 through a bearing, threaded sleeves 54 are respectively connected to two sides of the outer surface of the bidirectional screw 52 in a threaded mode, meanwhile, the outer surface of each threaded sleeve 54 is in sliding clamping connection with the inner wall of the corresponding first sliding groove 51, the first sliding groove 51 limits the threaded sleeves 54, the bidirectional screw 52 is a left-handed screw, half of threads of the threaded portion of the bidirectional screw 52 are right-handed screw, and half of threads of the bidirectional screw 52 are left-handed, so when the bidirectional screw 52 rotates in one direction, the two threaded sleeves 54 on the threads are separated or closed towards two ends on the bidirectional screw 52 along the inner wall of the first sliding groove 51;
in order to contact with the outer surface of a workpiece, an adjusting plate 56 is arranged below the threaded sleeve 54, the adjusting plate 56 is connected with the outer surface of the workpiece in a sliding manner, in order to prevent the adjusting plate 56 from blocking the normal operation of the conveyor belt 1, a first hydraulic cylinder 55 is arranged between the threaded sleeve 54 and the adjusting plate 56, and the adjusting plate 56 is driven to move up and down along the vertical direction through the extension and contraction in a piston of the first hydraulic cylinder 55;
the detection and transportation device is arranged on the upper surface of the workbench 2, detects the workpiece conveyed to the workbench 2 through the conveyor belt 1, and conveys the workpiece to the screening table 3 after detection is finished, and comprises a groove 6, a rotating shaft 61, a belt pulley 62, a conveyor belt 63, a second motor 64, a second induction type limit switch 65, a second hydraulic cylinder 66 and a supporting plate 67;
in order to facilitate the workpieces conveyed by the conveyor belt 1 to fall onto the workbench 2, the upper surface of the fixed table is provided with a groove 6, in order to convey the workpieces, the inner wall of the groove 6 is fixedly provided with a rotating shaft 61 through a bearing, the outer surface of the rotating shaft 61 is fixedly provided with a conveyor belt 63 through a belt pulley 62, in order to drive the conveyor belt 63 to rotate, the inner wall of the workbench 2 is fixedly provided with a second motor 64, and one end of an output shaft of the second motor 64 is fixedly connected with one end of the rotating shaft 61;
in order to facilitate the appearance detector 4 to detect the workpiece, a second inductive limit switch 65 is fixedly installed on the inner wall of the groove 6, the working frequency of the second inductive limit switch 65 is consistent with that of the first inductive limit switch 8, so that the workpiece is convenient to transport, in order to enable the appearance detector 4 to detect the workpiece more visually and clearly, a second hydraulic cylinder 66 is fixedly installed on the inner wall of the workbench 2, a supporting plate 67 is fixedly connected to one end, extending into the groove 6, of a piston rod of the second hydraulic cylinder 66, and the supporting plate 67 is driven to move upwards along with the extension of the piston rod of the second hydraulic cylinder 66, so that the workpiece is driven to leave the conveying belt 63 and approach the appearance detector 4;
in order to facilitate the transportation of the detected workpiece, a sliding table 9 is arranged on the surface of one side of the fixed table, the upper surface of the sliding table 9 is arranged to be an inclined plane inclined downwards, in order to facilitate the movement of the workpiece to a proper position of the screening table 3 along the sliding table 9, a placing groove 10 is formed in the upper surface of the screening table 3, and in order to prevent the workpiece from colliding with the inner wall of the placing groove 10, a cushion pad 11 is arranged on the inner wall of the placing groove 10;
the screening and conveying device is arranged on the screening table 3 and screens the workpieces detected by the appearance detection machine 4, so that the qualified workpieces are transported away after being filled, and the screening and conveying device comprises a supporting table 7, an electric telescopic rod 701, a push plate 702, a mechanical arm 703, a vacuum chuck 704, a guide rail 705, a sliding block 706, a fixed seat 707, a second sliding groove 708, a screw 709, a moving block 710, a third motor 711, a clamping groove 712, a limiting groove 713, a frame 714, a limiting block 715, a clamping block 716 and an elastic sheet 717;
in order to remove unqualified workpieces, a support table 7 is arranged on the surface of one side of the screening table 3, an electric telescopic rod 701 is fixedly installed on the upper surface of the support table 7, one end of the electric telescopic rod 701 extends into the placing groove 10 and is fixedly connected with a push plate 702, and the extending of one end of the electric telescopic rod 701 drives the push plate 702 to move the unqualified workpieces out of the placing groove 10;
in order to load acceptable workpieces, a frame 714 is provided on one side surface of the sieve table 3, a robot arm 703 is fixedly mounted on the upper surface side of the sieve table 3, a vacuum chuck 704 is provided at one end of the robot arm 703 in order to pick up acceptable workpieces, and the picked-up workpieces are loaded into the frame 714 along the inner wall of the frame 714;
in order to transport the frame 714, a guide rail 705 and a fixed seat 707 are respectively arranged on the lower surface of the frame 714, a sliding block 706 is slidably clamped on the outer surface of the guide rail 705, in order to drive the frame 714, a second sliding groove 708 is formed in the upper surface of the fixed seat 707, a screw 709 is fixedly installed on the inner wall of the second sliding groove 708 through a bearing, a moving block 710 is in threaded connection with the outer surface of the screw 709, in order to drive the moving block 710 to move, a third motor 711 is fixedly installed on the inner wall of the fixed seat 707, one end of an output shaft of the third motor 711 is fixedly connected with one end of the screw 709, in order to limit the moving block 710, the outer surface of the moving block 710 is slidably clamped with the inner wall of the second sliding groove 708, the screw 709 is driven to rotate by the rotation of the output shaft of the third motor 711, and the moving block 710 is driven to move on the screw 709 along the inner wall of the second sliding groove 708 by the rotation of the screw 709;
in order to connect the frame 714 and the moving block 710, a limiting groove 713 is formed in the upper surface of the moving block 710, a limiting block 715 is fixedly connected to the lower surface of the frame 714, the frame 714 is limited by the insertion of the limiting block 715 and the limiting groove 713, a clamping groove 712 is formed in the upper surface of the slider 706 in order to fix the frame 714 and the slider 706, a clamping block 716 is fixedly connected to the lower surface of the frame 714, a spring 717 is fixedly connected to the outer surface of the clamping block 716 in order to prevent the clamping block 716 from being separated from the clamping groove 712, the spring 717 is driven by the elastic force of the spring 717 to be clamped with the inner wall of the clamping groove 712, so that the moving block 710 drives the frame 714 to move, and the moving of the frame 714 drives the slider 706 to slide along the outer surface of the guide rail 705.
The working principle is as follows: the conveyor belt 1 is started, the produced workpieces are conveyed through the conveyor belt 1, when the first induction type limit switch 8 on the conveyor belt 1 senses the workpieces, the motor on the conveyor belt 1 is controlled to stop running, after a certain time, the first induction type limit switch 8 controls the conveyor belt 1 to continue running again until the workpieces are sensed next time, and therefore the workpieces are prevented from being stacked together;
when a workpiece is positioned below the fixed frame 5, a first motor 53 is started, clockwise rotation of an output shaft of the first motor 53 drives a bidirectional screw 52 in a first chute 51 to rotate clockwise, clockwise rotation of the bidirectional screw 52 drives two threaded sleeves 54 to respectively approach to two ends on the bidirectional screw 52 along the inner wall of the first chute 51, movement of the threaded sleeves 54 drives a first hydraulic cylinder 55 to move, a piston rod extends out to drive an adjusting plate 56 to move downwards while the first hydraulic cylinder 55 moves until the adjusting plates 56 on two sides enable the workpiece to be positioned at a central position on the conveyor belt 1, and then the output shaft of the first motor 53 starts to rotate anticlockwise to reset;
the conveyor belt 1 is started, the second motor 64 is started, the rotation of an output shaft of the second motor 64 drives the rotating shaft 61 to rotate, the rotation of the rotating shaft 61 drives the belt pulley 62 to rotate, the rotation of the belt pulley 62 drives the conveying belt 63 to rotate, the workpiece is conveyed by the rotation of the conveying belt 63, when the second inductive limit switch 65 in the groove 6 senses the workpiece on the conveying belt 63, the second motor 64 is controlled to stop running, then a piston rod of the second hydraulic cylinder 66 extends out to drive the supporting plate 67 to cross the conveying belt 63 to drive the workpiece to move upwards, the appearance of the workpiece is conveniently detected by the appearance detector 4, and the detection result is displayed through the display screen;
after detection, the piston rod of the second hydraulic cylinder 66 contracts to drive the supporting plate 67 to reset, the workpiece of the supporting plate 67 returns to the conveying belt 63 again, the pause time of the second inductive limit switch 65 is consistent with that of the first inductive limit switch 8, and when the time is up, the detected workpiece is conveyed to the sliding table 9 along with the conveying belt 63, slides into the placing groove 10 of the screening table 3 through the inclined surface of the sliding table 9 and collides with the cushion pad 11;
detecting unqualified workpieces, wherein one end of an electric telescopic rod 701 on a support table 7 extends out to drive a push plate 702 to horizontally move along the inner wall of the placing groove 10 to move the workpieces out of the placing groove 10;
detecting qualified workpieces, and driving the vacuum chuck 704 to suck, lift and place the workpieces in the placing groove 10 into the frame 714 by the mechanical arm 703;
after a certain number of qualified workpieces are accumulated on the frame 714, the third motor 711 is started, the rotation of the output shaft of the third motor 711 drives the screw 709 in the second sliding groove 708 to rotate, the rotation of the screw 709 drives the moving block 710 to move on the screw 709 along the inner wall of the second sliding groove 708, the movement of the moving block 710 drives the frame 714 to move, and meanwhile, the sliding block 706 is driven to slide along the outer surface of the guide rail 705;
when the frame 714 moves to a certain position, the frame 714 is lifted by force, the clamping block 716 and the limiting block 715 at the bottom of the frame 714 are driven to be separated from the clamping groove 712 and the limiting groove 713 respectively, then the limiting block 715 and the limiting groove 713 on the other frame 714 are positioned, meanwhile, the clamping block 716 contacts with the inner wall of the clamping groove 712 to drive the elastic sheet 717 to deform to generate elastic force, and when the elastic sheet 717 enters the clamping groove 712, the elastic sheet 717 is clamped with the inner wall of the clamping groove 712 through the elastic force of the elastic sheet.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (10)
1. The utility model provides a sheet metal component outward appearance check out test set based on machine vision, includes conveyer belt (1), workstation (2), sieve tray (3) and outward appearance detection machine (4), its characterized in that: the appearance detection machine is characterized by further comprising an adjusting mechanism, a detection and transportation device and a screening and conveying device, wherein one side surface of the workbench (2) is fixedly arranged at one end of the conveyor belt (1), and two sides of the lower surface of the appearance detection machine (4) are fixedly arranged on the upper surface of the workbench (2);
the adjusting mechanism is arranged above the bracket of the conveyor belt (1) and is used for adjusting the position of the outer surface of a workpiece which is transported by the conveyor belt (1) and is just produced so as to center the workpiece on the conveyor belt (1);
the detection and transportation device is arranged on the upper surface of the workbench (2), detects the workpieces transported to the workbench (2) through the conveyor belt (1), and transports the workpieces to the screening table (3) after detection is finished;
the screening and conveying device is arranged on the screening table (3) and screens the workpieces detected by the appearance detection machine (4), so that the qualified workpieces are loaded and transported away.
2. The sheet metal part appearance detection device based on machine vision according to claim 1, characterized in that: and a first induction type limit switch (8) is fixedly arranged on the inner wall of the support of the conveyor belt (1).
3. The sheet metal part appearance detection device based on machine vision according to claim 1, characterized in that: adjustment mechanism includes mount (5), the lower surface both sides fixed mounting of mount (5) be in the support upper surface both sides of conveyer belt (1), first spout (51) have been seted up to the inboard surface of mount (5), the inner wall of first spout (51) has two-way lead screw (52) through bearing fixed mounting, the outer fixed surface of mount (5) installs first motor (53), the output shaft one end of first motor (53) with the one end of two-way lead screw (52) is fixed to be cup jointed.
4. The sheet metal part appearance detection device based on machine vision according to claim 3, characterized in that: the utility model discloses a two-way lead screw, including two-way lead screw (52), the surface both sides of two-way lead screw (52) are threaded connection respectively has thread bush (54), the surface of thread bush (54) with the inner wall slip joint of first spout (51), two the lower surface of thread bush (54) is the first pneumatic cylinder of fixedly connected with (55), two piston rod one end fixedly connected with regulating plate (56) respectively of first pneumatic cylinder (55).
5. The sheet metal part appearance detection device based on machine vision according to claim 1, characterized in that: detect conveyer includes recess (6), the inside wall of recess (6) has two pivots (61) through bearing fixed mounting respectively, the fixed cover of surface difference of pivot (61) is equipped with two belt pulleys (62), two the surface difference transmission of belt pulley (62) is connected with conveyer (63), the inner wall fixed mounting of workstation (2) has second motor (64), the output shaft one end of second motor (64) with the fixed cover of one end of pivot (61) connects.
6. The sheet metal part appearance detection device based on machine vision according to claim 5, characterized in that: the inner wall fixed mounting of recess (6) has second induction type limit switch (65), the inner wall fixed mounting of workstation (2) has second pneumatic cylinder (66), the piston rod one end of second pneumatic cylinder (66) extends to in recess (6) and fixedly connected with backup pad (67).
7. The sheet metal part appearance detection device based on machine vision according to claim 1, characterized in that: the opposite side fixed surface of workstation (2) installs slip table (9), a side surface of slip table (9) with a side fixed surface of screening platform (3) is connected, standing groove (10) have been seted up to the upper surface of screening platform (3), the inside wall fixedly connected with blotter (11) of standing groove (10).
8. The sheet metal part appearance detection device based on machine vision according to claim 1, characterized in that: screening conveyor includes brace table (7), the last fixed surface of brace table (7) installs electric telescopic handle (701), the one end of electric telescopic handle (701) extends to inner wall and fixedly connected with push pedal (702) of standing groove (10), the last fixed surface of screening platform (3) installs arm (703), the one end fixed mounting of arm (703) has vacuum chuck (704).
9. The sheet metal part appearance detection device based on machine vision according to claim 1, characterized in that: the outer surface of the other side of the screening table (3) is provided with two guide rails (705), the outer surfaces of the two guide rails (705) are connected with a sliding block (706) in a sliding and clamping mode respectively, a fixed seat (707) is fixedly installed between the two guide rails (705), a second sliding groove (708) is formed in the upper surface of the fixed seat (707), a screw (709) is fixedly installed on the inner wall of the second sliding groove (708) through a bearing, a moving block (710) is connected to the outer surface of the screw (709) in a threaded mode, the outer surface of the moving block (710) is connected with the inner wall of the second sliding groove (708) in a sliding and clamping mode, a third motor (711) is fixedly installed on the inner wall of the fixed seat (707), and one end of an output shaft of the third motor (711) is fixedly connected with one end of the screw (709) in a fixing and clamping mode.
10. The sheet metal part appearance detection device based on machine vision according to claim 9, characterized in that: the upper surfaces of the two sliding blocks (706) are respectively provided with a clamping groove (712), the upper surface of the moving block (710) is provided with a limiting groove (713), the upper surface of the moving block (710) is provided with a frame (714), the lower surface of the frame (714) is respectively and fixedly connected with a limiting block (715) and a clamping block (716), and the outer surface of the clamping block (716) is fixedly connected with a spring plate (717).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211277271.2A CN115494073A (en) | 2022-10-19 | 2022-10-19 | Sheet metal component outward appearance check out test set based on machine vision |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211277271.2A CN115494073A (en) | 2022-10-19 | 2022-10-19 | Sheet metal component outward appearance check out test set based on machine vision |
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| CN115494073A true CN115494073A (en) | 2022-12-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202211277271.2A Pending CN115494073A (en) | 2022-10-19 | 2022-10-19 | Sheet metal component outward appearance check out test set based on machine vision |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118937628A (en) * | 2024-07-26 | 2024-11-12 | 昆山莱吉斯智能装备有限公司 | A kind of automobile sheet metal transmission and detection equipment based on robot push |
| CN118980692A (en) * | 2024-08-05 | 2024-11-19 | 江苏八巨药业有限公司 | A visible light imaging detection device for drug production |
-
2022
- 2022-10-19 CN CN202211277271.2A patent/CN115494073A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118937628A (en) * | 2024-07-26 | 2024-11-12 | 昆山莱吉斯智能装备有限公司 | A kind of automobile sheet metal transmission and detection equipment based on robot push |
| CN118937628B (en) * | 2024-07-26 | 2025-01-24 | 昆山莱吉斯智能装备有限公司 | A kind of automobile sheet metal transmission and detection equipment based on robot push |
| CN118980692A (en) * | 2024-08-05 | 2024-11-19 | 江苏八巨药业有限公司 | A visible light imaging detection device for drug production |
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