CN111649674A - System and method for detecting appearance size of connecting rod - Google Patents
System and method for detecting appearance size of connecting rod Download PDFInfo
- Publication number
- CN111649674A CN111649674A CN202010667820.1A CN202010667820A CN111649674A CN 111649674 A CN111649674 A CN 111649674A CN 202010667820 A CN202010667820 A CN 202010667820A CN 111649674 A CN111649674 A CN 111649674A
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- China
- Prior art keywords
- connecting rod
- placing table
- clamping jaw
- moving mechanism
- block
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
- B65G47/74—Feeding, transfer, or discharging devices of particular kinds or types
- B65G47/82—Rotary or reciprocating members for direct action on articles or materials, e.g. pushers, rakes, shovels
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
- B65G47/74—Feeding, transfer, or discharging devices of particular kinds or types
- B65G47/90—Devices for picking-up and depositing articles or materials
-
- 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
- G01N21/84—Systems specially adapted for particular applications
- G01N2021/845—Objects on a conveyor
- G01N2021/8455—Objects on a conveyor and using position detectors
Abstract
The invention provides an appearance dimension detection system of a connecting rod, which comprises a feeding mechanism, a carrying mechanism, a moving mechanism and a laser detection system, wherein the feeding mechanism is arranged on the feeding mechanism; the feeding mechanism is connected with the moving mechanism through the carrying mechanism, and the laser detection system is arranged on the moving mechanism; the invention also provides a detection method of the connecting rod appearance size detection system, and the detection method can efficiently and accurately detect the connecting rod size, flaw detection and character recognition through the matching use of the moving mechanism and the laser detection system. The invention inserts a plurality of support sheets into two symmetrical clamping grooves. The number and the installation position of the supporting pieces can be freely adjusted to adapt to connecting rods with different sizes, and the connecting rods are placed on the supporting pieces. The number of the supporting pieces is only required to stably support the connecting rod, and the supporting pieces do not need to be laid in a large area, so that the material cost is saved, and the detection of a subsequent laser detection system is not influenced.
Description
Technical Field
The invention relates to a detection system of a connecting rod, in particular to a detection system and a detection method of the appearance size of the connecting rod.
Background
The connecting rod is one of the main moving parts of the diesel engine, and has the functions of converting the linear reciprocating motion of the piston into the rotary motion of the crankshaft and transmitting the acting force generated by burning fuel between the piston and the crankshaft. The connecting rod bears the gas pressure of the cylinder, the reciprocating motion inertia force of the piston and the inertia force of the moving mass of the connecting rod group when in work. The magnitude and direction of these forces are periodically changed, causing the various portions of the connecting rod to compress, stretch, and bend, resulting in fatigue and deformation. When fatigue and deformation exceed a certain range, the connecting rod can generate fatigue cracks and cause excessive abrasion of the connecting rod shoe, and the serious consequence of the fatigue cracks can cause serious failure of the diesel engine. Therefore, when leaving the factory, various parameters of the connecting rod need to be fully monitored, and the quality of the connecting rod is ensured.
The existing connecting rod detection system has the problems of low detection efficiency, low detection accuracy on the appearance size of a connecting rod and the like.
Accordingly, there is a need for improvements in the art.
Disclosure of Invention
The invention aims to provide an efficient detection system and a detection method for the appearance size of a connecting rod.
In order to solve the technical problem, the invention provides a connecting rod appearance dimension detection system, which comprises a feeding mechanism, a carrying mechanism, a moving mechanism and a laser detection system, wherein the feeding mechanism is arranged on the feeding mechanism;
the feeding mechanism is connected with the moving mechanism through the carrying mechanism, and the laser detection system is arranged on the moving mechanism;
the feeding mechanism comprises a material poking structure, a feeding guide rail and a placing table;
two placing table limiting blocks I, two placing table limiting blocks II and a placing table stop block are arranged above the placing table; the first placing table limiting block, the second placing table limiting block and the placing table stopping block are sequentially arranged along the direction from the head end to the tail end of the feeding mechanism, and the two first placing table limiting blocks and the two second placing table limiting blocks are symmetrically arranged on two sides of the placing table;
the placing table is provided with a first through hole between two first placing table limiting blocks, and a second through hole between two second placing table limiting blocks;
the placing table stop block is positioned at the tail end of the placing table limiting block II, a gap is formed between the placing table stop block and the placing table limiting block II, and the placing table stop block is used for blocking the connecting rod;
the feeding guide rail is positioned right above the placing table;
the material poking structure is arranged on the feeding guide rail in a sliding mode and is driven by the feeding cylinder;
the material shifting structure comprises a material shifting structure sliding block which is arranged on the feeding guide rail in a sliding mode, and a blocking block and a material shifting assembly are sequentially arranged on the material shifting structure sliding block along the direction from the head end to the tail end;
the material shifting assembly comprises a rotating block hinged with the sliding block of the material shifting structure and a material shifting rod fixedly connected with the rotating block, and the rotating block and the material shifting rod can rotate along the vertical direction; the blocking block is used for limiting the rotation amplitude of the kick-out lever towards the head end direction, so that the kick-out lever can only deflect towards the tail end direction from the vertical direction in the using process;
the carrying mechanism comprises an X-axis module, a Y-axis module and a clamping jaw; the clamping jaw is arranged on the Y-axis module, and the Y-axis module is arranged on the X-axis module;
the Y-axis module comprises a Y-axis sliding rail and a Y-axis connecting block, and the Y-axis sliding rail is fixedly connected with the Y-axis connecting block;
the X-axis module comprises an X-axis slide rail, and the Y-axis connecting block is arranged on the X-axis slide rail in a sliding manner;
the clamping jaw comprises a clamping jaw body, a clamping jaw moving plate I and a clamping jaw moving plate II;
the clamping jaw main body is arranged on a Y-axis slide rail of the Y-axis module in a sliding manner;
the first clamping jaw moving plate and the second clamping jaw moving plate are both arranged at the bottom of the clamping jaw main body in a sliding mode;
the first clamping jaw moving plate and the second clamping jaw moving plate are both vertically arranged;
the first clamping jaw moving plate and the second clamping jaw moving plate are sequentially arranged along the direction from the head end to the tail end of the carrying mechanism and are positioned on the same straight line, transverse bulges are arranged at the bottoms of the first clamping jaw moving plate and the second clamping jaw moving plate, the two transverse bulges face to the outer side, and the transverse bulges are used for preventing the connecting rod from falling off during clamping;
the transverse bulge of the claw hand at the first end of the clamping jaw moving plate is a bulge horizontally arranged towards one side of the first end of the carrying mechanism;
the transverse bulge of the claw hand at the two tail ends of the clamping jaw moving plate is a bulge horizontally arranged towards one side of the tail end of the carrying mechanism;
the moving mechanism comprises a moving mechanism slide rail and a support plate, and the support plate is arranged on the moving mechanism slide rail in a sliding manner and driven by a support plate cylinder; the left side and the right side above the supporting plate are symmetrically provided with two moving mechanism clamping jaws, and the two moving mechanism clamping jaws are connected with the same air cylinder and can move relatively;
the moving mechanism clamping jaw comprises a moving mechanism clamping jaw connecting rod I and a moving mechanism clamping jaw connecting rod II, wherein the moving mechanism clamping jaw connecting rod I is arranged along the direction from the head end to the tail end of the moving mechanism, the moving mechanism clamping jaw connecting rod II is vertically connected with the moving mechanism clamping jaw connecting rod I, and the moving mechanism clamping jaw connecting rods of the two moving mechanism clamping jaws are arranged in a mutually facing manner;
the middle part of the supporting plate is provided with a supporting plate groove, the left side and the right side of the supporting plate groove are symmetrically provided with a plurality of clamping grooves, and the clamping grooves on any side are uniformly arranged at equal intervals;
inserting a plurality of supporting sheets into the two symmetrical clamping grooves;
a moving mechanism blocking block is arranged at the tail end of the top of the supporting plate;
the moving mechanism blocking block is matched with the moving mechanism clamping jaw for use;
the laser detection system is arranged at the tail end of the moving mechanism and comprises an upper laser sensor and a lower laser sensor,
the upper laser sensor is positioned right above the moving mechanism, and a lens of the upper laser sensor is vertically downward;
the lower laser sensor is positioned right below the moving mechanism, and a lens of the lower laser sensor is vertically upward.
As an improvement to the apparent dimension detection system of the connecting rod of the present invention:
a plurality of laser holes which are communicated from left to right are arranged at equal distance on the two placing table limiting blocks;
the placing table is provided with a feeding mechanism head end correlation laser and a feeding mechanism tail end correlation laser;
the laser emitted by the head end correlation laser of the feeding mechanism penetrates through the laser holes of the first two placing platform limiting blocks, the position of the head end correlation laser of the feeding mechanism can be adjusted according to the type of the connecting rod, and the head end correlation laser of the feeding mechanism can not just detect the connecting rod when the head end of the connecting rod is abutted to the stop block of the placing platform;
laser emitted by the feed mechanism tail end correlation laser device penetrates through a gap between the placing table stop block and the placing table stop block II, and when the connecting rod head end abuts against the placing table stop block, the feed mechanism tail end correlation laser device can detect the connecting rod.
As a further improvement to the apparent dimension detection system of the connecting rod of the present invention:
the distance between the inner sides of the two symmetrically arranged placing table limiting blocks is gradually reduced and gradually transits to be slightly larger than the width of the connecting rod;
the distance between the inner sides of the two symmetrically arranged placing table limiting blocks is reduced from large to small, and the two symmetrically arranged placing table limiting blocks are gradually transited to be approximately equal to the width of the connecting rod.
As a further improvement to the apparent dimension detection system of the connecting rod of the present invention:
the upper laser sensor is arranged on the upper adjustable base in a sliding mode and can move up and down; the lower laser sensor is arranged on the lower adjustable base in a sliding mode and can move up and down.
As a further improvement to the apparent dimension detection system of the connecting rod of the present invention:
the first clamping jaw moving plate and the second clamping jaw moving plate are connected with the same claw driving device, and when the clamping jaw moving plate is used, the first clamping jaw moving plate and the second clamping jaw moving plate move towards opposite directions.
As a further improvement to the apparent dimension detection system of the connecting rod of the present invention:
the distance between the inner sides of the two placing table limiting blocks with the largest distance is equal to the minimum distance between the two placing table limiting blocks.
As a further improvement to the apparent dimension detection system of the connecting rod of the present invention:
and two sides of the supporting plate are also provided with a moving mechanism correlation pipeline sensor.
The invention also provides a detection method of the connecting rod appearance size detection system, which comprises the following steps: the method comprises the following steps:
1) the connecting rod is driven by the conveyor belt to push the material poking rod to rotate towards the tail end of the material feeding mechanism, then the connecting rod enters the placing table, at the moment, the material poking rod falls into the large hole of the connecting rod,
2) then starting the feeding cylinder, driving the material shifting structure sliding block to slide towards the tail end of the placing table by the feeding cylinder, enabling the material shifting rod to be abutted against the inner wall of a large hole of the connecting rod, driving the connecting rod to slide towards the tail end of the placing table by the blocking block and the material shifting rod together, and enabling the material shifting structure sliding block to abut against a stop block of the placing table through the limiting effects of two stop blocks of the placing table I and two stop blocks of the placing table II until the material shifting structure sliding block abuts; at the moment, the small hole of the connecting rod faces the first through hole, and the large hole of the connecting rod faces the second through hole;
3) moving the clamping jaw through the cylinders of the X-axis module and the Y-axis module to enable the first clamping jaw moving plate to penetrate through the small hole and the first through hole of the connecting rod and the second clamping jaw moving plate to penetrate through the large hole and the second through hole of the connecting rod,
4) then starting the claw driving device to make the clamping jaw moving plate move towards one side of the head end of the carrying mechanism and the clamping jaw moving plate move towards one side of the tail end of the carrying mechanism until the clamping jaw moving plate is respectively abutted against the inner walls of the small hole and the large hole of the connecting rod, then moving the clamping jaw through the X-axis module and the Y-axis module to make the connecting rod be positioned right above the moving mechanism,
5) then starting the claw hand driving device to restore the positions of the first clamping jaw moving plate and the second clamping jaw moving plate, enabling the connecting rod to fall on the moving mechanism, enabling the connecting rod to be located between the clamping jaws of the two moving mechanisms, and enabling the connecting rod of the second moving mechanism clamping jaw to face to the middle position of the connecting rod; (ii) a
6) Starting the air cylinders of the moving mechanism clamping jaws to enable the two moving mechanism clamping jaws to move relatively, wherein the two moving mechanism clamping jaw connecting rods II are abutted against the two side walls of the connecting rod; because the side wall of the connecting rod is a cambered surface with two high sides and a low middle part, and the lowest point is positioned at one side of the small head end, the moving mechanism clamping jaw connecting rod II is gradually extruded to enable the connecting rod to move towards the tail end of the supporting plate until the connecting rod is abutted against the stop block, and at the moment, the connecting rod is positioned;
7) then the supporting plate slides on the slide rail of the moving mechanism and moves from the head end to the tail end;
8) and the upper laser sensor and the lower laser sensor detect the connecting rod.
The appearance size detection system and the detection method of the connecting rod have the technical advantages that:
the appearance size detection system of the connecting rod detects the appearance size of the connecting rod through the matching use of the feeding mechanism, the carrying mechanism, the moving mechanism and the laser detection system.
The connecting rod is conveyed to the feeding mechanism of the connecting rod detection system by the conveyor belt of the upper-level device (such as a detection device for quality, hardness and the like) of the connecting rod detection system, and the feeding mechanism of the connecting rod detection system can easily move the connecting rod to a designated position and position the connecting rod through the matched use of the material poking structure, the feeding guide rail and the placing table, so that the subsequent clamping jaw can conveniently take materials.
The distance between the inner sides of the two symmetrically arranged placing table limiting blocks is gradually reduced and gradually transits to be slightly larger than the width of the connecting rod; the distance between the inner sides of the two symmetrically arranged placing table limiting blocks is gradually reduced and gradually transits to be approximately equal to the width of the connecting rod; the placing table limiting block I and the placing table limiting block II are matched for use, and the position of the connecting rod can be limited when the material shifting structure pushes the connecting rod.
The invention can efficiently and accurately detect the size of the connecting rod, detect flaws and recognize characters by matching the moving mechanism with the laser detection system. The invention inserts a plurality of support sheets into two symmetrical clamping grooves. The number and the installation position of the supporting pieces can be freely adjusted to adapt to connecting rods with different sizes, and the connecting rods are placed on the supporting pieces. The quantity of the supporting pieces only needs to stably support the connecting rod, and the supporting pieces do not need to be laid in a large area, so that the material cost is saved, the detection of a subsequent laser detection system cannot be influenced, and the clamping jaw of the moving device of the subsequent connecting rod detection system is more convenient and faster to grab the connecting rod and cannot cause interference.
Drawings
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.
FIG. 1 is a schematic structural view of an external dimension detecting system of a connecting rod according to the present invention;
FIG. 2 is a schematic structural diagram of the feeding mechanism 6 in FIG. 1;
fig. 3 is a schematic structural view of the carrying mechanism 7 in fig. 1;
fig. 4 is a schematic structural view of the moving mechanism 8 in fig. 1;
FIG. 5 is a schematic diagram of the laser inspection system 9 of FIG. 1;
Detailed Description
The invention will be further described with reference to specific examples, but the scope of the invention is not limited thereto.
(please answer each question described below with a revision mode or a different color font. if there is a question, the question can be contacted by telephone, contact telephone: 18358588593)
Embodiment 1, a system for detecting an external dimension of a link, as shown in fig. 1 to 5, includes a feeding mechanism 6, a carrying mechanism 7, a moving mechanism 8, and a laser detection system 9.
The feeding mechanism 6 is connected with a moving mechanism 8 through a carrying mechanism 7, and a laser detection system 9 is arranged on the moving mechanism 8.
The feeding mechanism 6 comprises a material poking structure, a feeding guide rail 601 and a placing table 614;
two placing table limiting blocks 605, two placing table limiting blocks 606 and a placing table stopper 607 are arranged above the placing table 614. The first placing table limiting block 605, the second placing table limiting block 606 and the placing table stopper 607 are sequentially arranged along the direction from the head end to the tail end of the feeding mechanism 6, and the two first placing table limiting blocks 605 and the two second placing table limiting blocks 606 are symmetrically arranged on two sides of the placing table 614.
The distance between the inner sides of the two symmetrically arranged placing table limiting blocks I605 is reduced from large to small, and gradually transits to a position slightly larger than the width of the connecting rod;
the inner side distance of the two symmetrically arranged placing table limiting blocks II 606 is gradually reduced and gradually transited to be approximately equal to the width of the connecting rod;
the largest distance between the inner sides of the two placing table limiting blocks II 606 is equal to the smallest distance between the two placing table limiting blocks I605.
The placing table 614 is provided with a first through hole 613 between the two first placing table stoppers 605, and the placing table 614 is provided with a second through hole 612 between the two second placing table stoppers 602.
The placing table stopper 607 is positioned at the tail end of the placing table stopper II 606, a gap is arranged between the placing table stopper 607 and the placing table stopper II 606, and the placing table stopper 607 is provided with a stopping connecting rod.
The feeding guide rail 601 is positioned right above the placing table 614;
the material pulling structure is arranged on the feeding guide rail 601 in a sliding mode and is driven by a feeding cylinder.
The material shifting structure comprises a material shifting structure sliding block 602 which is arranged on the feeding guide rail 601 in a sliding manner, and a stop block 605 and a material shifting component are sequentially arranged on the material shifting structure sliding block 602 along the direction from the head end to the tail end;
the material shifting assembly comprises a rotating block 603 hinged with the material shifting structure sliding block 602 and a material shifting rod 604 fixedly connected with the rotating block 603, and the rotating block 603 and the material shifting rod 604 can rotate along the vertical direction. The stop block 605 serves to limit the extent of rotation of the kick-off lever 604 in the direction of the leading end so that the kick-off lever can only deflect in the direction perpendicular to the trailing end during use.
A plurality of laser holes 608 which are communicated from left to right are arranged at equal distance on the two placing table limiting blocks 605,
the placement stage 614 is provided with a feed mechanism 6 head end correlation laser 609 and a feed mechanism 6 tail end correlation laser 610.
The air blowing structure 611 is further arranged on one side of the placing table 614, the direction of the air blowing port can be freely adjusted through the air outlet pipe of the air blowing structure 611, the air blowing port of the air blowing structure 611 can be aligned to the connecting rod, dust on the surface of the connecting rod is removed, and the effect of cooling can be achieved.
The laser that feed mechanism 6 head end correlation laser 609 jetted out passes two laser holes 608 of placing a stopper 605, can adjust the position of feed mechanism 6 head end correlation laser 609 according to the model of connecting rod, when guaranteeing the connecting rod head end and placing a dog 607 butt joint, feed mechanism 6 head end correlation laser 609 just can not detect the connecting rod.
The laser emitted by the butt-firing laser 610 at the tail end of the feeding mechanism 6 passes through a gap between the placing table stopper 607 and the placing table stopper two 606, and when the head end of the connecting rod abuts against the placing table stopper 607, the butt-firing laser 610 at the tail end of the feeding mechanism 6 can detect the connecting rod.
And judging whether the connecting rod reaches a preset position or not according to signals detected by the head end correlation laser 609 of the feeding mechanism 6 and the tail end correlation laser 610 of the feeding mechanism 6. When the head end correlation laser 609 of the feeding mechanism 6 cannot detect the connecting rod and the tail end correlation laser 610 of the feeding mechanism 6 can detect the connecting rod, the connecting rod is judged to reach the preset position. The link is now moved by the jaws of the handling device 711.
The feeding method of the feeding mechanism 6 of the connecting rod detection system comprises the following steps:
the connecting rod can push the material stirring rod 604 to rotate towards the tail end of the feeding mechanism 6 under the driving of a conveying belt (as long as the material stirring rod can be conveyed to the feeding mechanism 6 of the connecting rod detection system) of a previous-stage device of the connecting rod detection system, then the connecting rod enters the placing table 614, the material stirring rod 604 falls into a large hole of the connecting rod at the moment, then the feeding air cylinder is started, the feeding air cylinder drives the material stirring structure sliding block 602 to slide towards the tail end of the placing table 614, the material stirring rod 604 is abutted against the inner wall of the large hole of the connecting rod, the blocking block 605 and the material stirring rod 604 drive the connecting rod to slide towards the tail end of the placing table together, and the material stirring rod is abutted against the blocking block of the placing table 614 through the limiting effects of the two placing table. The small hole of the connecting rod is opposite to the first through hole 613, and the large hole of the connecting rod is opposite to the second through hole 612.
The carrying mechanism 7 comprises an X-axis module, a Y-axis module and a clamping jaw;
the clamping jaw is arranged on the Y-axis module, and the Y-axis module is arranged on the X-axis module;
the Y-axis module comprises a Y-axis slide rail 702 and a Y-axis connecting block 703, and the Y-axis slide rail 702 is fixedly connected with the Y-axis connecting block 703.
The X-axis module comprises an X-axis slide rail 701, and the Y-axis connecting block 703 is arranged on the X-axis slide rail 701 in a sliding mode.
The jaw comprises a jaw body 704, a jaw moving plate one 705 and a jaw moving plate two 706.
The clamping jaw body 704 is slidably disposed on a Y-axis slide rail 702 of the Y-axis module.
The first jaw moving plate 705 and the second jaw moving plate 706 are both arranged at the bottom of the jaw body 704 in a sliding manner (sliding rails are arranged at the bottom of the jaw body 704).
The first clamping jaw moving plate 705 and the second clamping jaw moving plate 706 are both vertically arranged.
The first clamping jaw moving plate 705 and the second clamping jaw moving plate 706 are sequentially arranged along the direction from the head end to the tail end of the carrying mechanism 7 and are located on the same straight line, the bottoms of the first clamping jaw moving plate 705 and the second clamping jaw moving plate 706 are respectively provided with a transverse protrusion 707, the two transverse protrusions 707 face the outer side, and the transverse protrusions 707 are used for preventing the connecting rod from falling off during clamping.
The transverse bulge 707 of the claw hand at the head end of the clamping jaw moving plate I705 is a bulge horizontally arranged towards one side of the head end of the carrying mechanism 7;
the lateral protrusion 707 of the gripper at the rear end of the second gripper moving plate 706 is a protrusion horizontally disposed toward the rear end side of the carrying mechanism 7.
The first jaw moving plate 705 and the second jaw moving plate 706 are connected to the same gripper driving device, and when the device is used, the jaw moving plates move towards opposite directions.
Method for using the conveyance mechanism 7: the clamping jaw is moved through the cylinders of the X-axis module and the Y-axis module, so that the first clamping jaw moving plate 705 penetrates through the small hole and the first through hole 613 of the connecting rod, the second clamping jaw moving plate 706 penetrates through the large hole and the second through hole 612 of the connecting rod, then the claw driving device is started, the first clamping jaw moving plate 705 moves towards the front end side of the carrying mechanism 7, the second clamping jaw moving plate 706 moves towards the tail end side of the carrying mechanism 7 until the first clamping jaw moving plate abuts against the inner walls of the small hole and the large hole of the connecting rod respectively, then the clamping jaw is moved through the X-axis module and the Y-axis module, so that the connecting rod is located right above the moving mechanism 8, then the claw driving device is started, the positions of the first clamping jaw.
The moving mechanism 8 comprises a moving mechanism slide rail 809 and a support plate 801, wherein the support plate 801 is slidably arranged on the moving mechanism slide rail 809 and is driven by a support plate cylinder. Two moving mechanism clamping jaws 805 are symmetrically arranged on the left side and the right side above the supporting plate 801, and the two moving mechanism clamping jaws 805 are connected with the same cylinder and can move relatively.
The moving mechanism clamping jaw 805 includes a moving mechanism clamping jaw connecting rod I806 arranged along the direction from the head end to the tail end of the moving mechanism 8 and a moving mechanism clamping jaw connecting rod II 807 vertically connected with the moving mechanism clamping jaw connecting rod I806, and the moving mechanism clamping jaw connecting rods II 807 of the two moving mechanism clamping jaws 805 are arranged facing each other.
The middle part of the supporting plate 801 is provided with a supporting plate groove 802, the left side and the right side of the supporting plate groove 802 are symmetrically provided with a plurality of clamping grooves 803, and the clamping grooves 803 on any side are uniformly arranged at equal intervals.
The tail end of the top of the supporting plate 801 is provided with a moving mechanism block 808, and the moving mechanism block 808 is used for blocking the connecting rod.
The support plate 801 is also provided with a movement mechanism correlation line sensor 810 on both sides thereof for detecting whether a link is placed on the support plate 801, thereby determining whether to actuate the movement mechanism jaw 805.
The movement mechanism stop 808 and movement mechanism jaw 805 cooperate to secure the link.
In use, the link is placed between the two moving mechanism jaws 805 by the first stage of the link detection system, and the moving mechanism jaw connecting rod two 807 faces the middle position of the link. The connecting rod falls onto the supporting sheet 804 through the carrying mechanism 7, is positioned between the two moving mechanism clamping jaws 805, and starts the air cylinders of the moving mechanism clamping jaws 805 to enable the two moving mechanism clamping jaws 805 to move relatively, so that the two moving mechanism clamping jaw connecting rods 807 are abutted against two side walls of the connecting rod; because the side wall of the connecting rod is a cambered surface with two high sides and a low middle part, and the lowest point is positioned at one side of the small head end, the second moving mechanism clamping jaw connecting rod 807 is gradually extruded to enable the connecting rod to move towards the tail end of the supporting plate 801 until the connecting rod is abutted against the blocking block 808, and at the moment, the connecting rod is positioned. The support plate 801 then slides on the moving mechanism slide rail 809 to move from the head end to the tail end.
The laser detection system 9 is arranged at the tail end of the moving mechanism 8, the laser detection system 9 comprises an upper laser sensor 903 and a lower laser sensor 902, and the upper laser sensor 903 is arranged on an upper adjustable base 901 in a sliding mode and can move up and down; lower laser sensor 902 is slidably disposed on lower adjustable base 904 and can move up and down.
The upper laser sensor 903 is positioned right above the moving mechanism 8, and a lens of the upper laser sensor 903 is vertically downward;
the lower laser sensor 902 is located right below the moving mechanism 8, and the lens of the lower laser sensor 902 is vertically upward.
The upper laser sensor 903 and the lower laser sensor 902 are two upper and lower Keynes laser sensors, and the laser sensor model is LJ-V7300. The method can be used for finishing the detection of the size and the flaw of the workpiece and the character recognition.
The detection method comprises the following steps:
1) the connecting rod is placed between the two moving mechanism clamping jaws, and the moving mechanism clamping jaw connecting rod II faces to the middle position of the connecting rod;
2) starting the air cylinders of the moving mechanism clamping jaws to enable the two moving mechanism clamping jaws to move relatively, wherein the two moving mechanism clamping jaw connecting rods II are abutted against the two side walls of the connecting rod; because the side wall of the connecting rod is a cambered surface with two high sides and a low middle part, and the lowest point is positioned at one side of the small head end, the moving mechanism clamping jaw connecting rod II is gradually extruded to enable the connecting rod to move towards the tail end of the supporting plate until the connecting rod is abutted against the stop block, and at the moment, the connecting rod is positioned;
3) then the supporting plate slides on the slide rail of the moving mechanism and moves from the head end to the tail end;
4) and the upper laser sensor and the lower laser sensor detect the connecting rod.
Finally, it is also noted that the above-mentioned lists merely illustrate a few specific embodiments of the invention. It is obvious that the invention is not limited to the above embodiments, but that many variations are possible. All modifications which can be derived or suggested by a person skilled in the art from the disclosure of the present invention are to be considered within the scope of the invention.
Claims (8)
1. Appearance size detecting system of connecting rod, its characterized in that: comprises a feeding mechanism (6), a carrying mechanism (7), a moving mechanism (8) and a laser detection system (9);
the feeding mechanism (6) is connected with the moving mechanism (8) through the carrying mechanism (7), and the laser detection system (9) is arranged on the moving mechanism (8);
the feeding mechanism (6) comprises a material poking structure, a feeding guide rail (601) and a placing table (614);
two placing table limiting blocks (605), two placing table limiting blocks (606) and a placing table stop block (607) are arranged above the placing table (614); the first placing table limiting block (605), the second placing table limiting block (606) and the second placing table limiting block (607) are sequentially arranged along the direction from the head end to the tail end of the feeding mechanism (6), and the two first placing table limiting blocks (605) and the two second placing table limiting blocks (606) are symmetrically arranged at two sides of the placing table (614);
a first through hole (613) is formed in the placing table (614) between the first placing table limiting blocks (605), and a second through hole (612) is formed in the placing table (614) between the second placing table limiting blocks (606);
the placing table stopper (607) is positioned at the tail end of the placing table limiting block II (606), a gap is formed between the placing table stopper (607) and the placing table limiting block II (606), and the placing table stopper (607) is used for stopping a connecting rod;
the feeding guide rail (601) is positioned right above the placing table (614);
the material poking structure is arranged on the feeding guide rail (601) in a sliding manner and is driven by the feeding cylinder;
the material shifting structure comprises a material shifting structure sliding block (602) which is arranged on the feeding guide rail (601) in a sliding mode, and a blocking block (605) and a material shifting assembly are sequentially arranged on the material shifting structure sliding block (602) along the direction from the head end to the tail end;
the material shifting assembly comprises a rotating block (603) hinged with a material shifting structure sliding block (602) and a material shifting rod (604) fixedly connected with the rotating block (603), and the rotating block (603) and the material shifting rod (604) can rotate along the vertical direction; the blocking block (605) is used for limiting the rotation amplitude of the kick-out lever (604) towards the head end direction, so that the kick-out lever can only deflect towards the tail end direction from the vertical direction in the use process;
the carrying mechanism (7) comprises an X-axis module, a Y-axis module and a clamping jaw; the clamping jaw is arranged on the Y-axis module, and the Y-axis module is arranged on the X-axis module;
the Y-axis module comprises a Y-axis sliding rail (702) and a Y-axis connecting block (703), and the Y-axis sliding rail (702) is fixedly connected with the Y-axis connecting block (703);
the X-axis module comprises an X-axis sliding rail (701), and the Y-axis connecting block (703) is arranged on the X-axis sliding rail (701) in a sliding manner;
the clamping jaw comprises a clamping jaw body (704), a clamping jaw moving plate I (705) and a clamping jaw moving plate II (706);
the clamping jaw main body (704) is arranged on a Y-axis sliding rail (702) of the Y-axis module in a sliding mode;
the first clamping jaw moving plate (705) and the second clamping jaw moving plate (706) are arranged at the bottom of the clamping jaw body (704) in a sliding mode;
the first clamping jaw moving plate (705) and the second clamping jaw moving plate (706) are both vertically arranged;
the first clamping jaw moving plate (705) and the second clamping jaw moving plate (706) are sequentially arranged along the direction from the head end to the tail end of the carrying mechanism (7) and are positioned on the same straight line, transverse protrusions (707) are arranged at the bottoms of the first clamping jaw moving plate (705) and the second clamping jaw moving plate (706), the two transverse protrusions (707) face towards the outer side, and the transverse protrusions (707) are used for preventing the connecting rod from falling off during clamping;
the transverse bulge (707) of the claw hand at the head end of the first clamping jaw moving plate (705) is a bulge horizontally arranged towards one side of the head end of the carrying mechanism (7);
the transverse bulge (707) of the claw at the tail end of the second clamping jaw moving plate (706) is a bulge horizontally arranged towards one side of the tail end of the carrying mechanism (7);
the moving mechanism (8) comprises a moving mechanism slide rail (809) and a support plate (801), and the support plate (801) is arranged on the moving mechanism slide rail (809) in a sliding manner and driven by a support plate cylinder; two moving mechanism clamping jaws (805) are symmetrically arranged on the left side and the right side above the supporting plate (801), and the two moving mechanism clamping jaws (805) are connected with the same cylinder and can move relatively;
the moving mechanism clamping jaw (805) comprises a moving mechanism clamping jaw connecting rod I (806) arranged along the direction from the head end to the tail end of the moving mechanism (8) and a moving mechanism clamping jaw connecting rod II (807) vertically connected with the moving mechanism clamping jaw connecting rod I, and the moving mechanism clamping jaw connecting rods II (807) of the two moving mechanism clamping jaws (805) are arranged in a mutually facing mode;
a support plate groove (802) is formed in the middle of the support plate (801), a plurality of clamping grooves (803) are symmetrically formed in the left side and the right side of the support plate groove (802), and the clamping grooves (803) on any side are uniformly arranged at equal intervals;
a plurality of supporting sheets (804) are inserted into two symmetrical clamping grooves (803);
a moving mechanism block (808) is arranged at the tail end of the top of the supporting plate (801);
the moving mechanism block (808) is matched with the moving mechanism clamping jaw (805);
the laser detection system (9) is arranged at the tail end of the moving mechanism (8), the laser detection system (9) comprises an upper laser sensor (903) and a lower laser sensor (902),
the upper laser sensor (903) is positioned right above the moving mechanism (8), and a lens of the upper laser sensor (903) is vertically downward;
the lower laser sensor (902) is positioned right below the moving mechanism (8), and a lens of the lower laser sensor (902) is vertically upward.
2. The physical dimension detecting system of a connecting rod according to claim 1, wherein:
a plurality of laser holes (608) which are communicated from left to right are arranged at equal intervals on the two placing table limiting blocks (605);
the placing table (614) is provided with a feeding mechanism (6), a head end correlation laser (609) and a tail end correlation laser (610) of the feeding mechanism (6);
laser emitted by the head end correlation laser (609) of the feeding mechanism (6) penetrates through laser holes (608) of two placing table limiting blocks (605), the position of the head end correlation laser (609) of the feeding mechanism (6) can be adjusted according to the type of the connecting rod, and the head end correlation laser (609) of the feeding mechanism (6) can not just detect the connecting rod when the head end of the connecting rod is abutted to a placing table stop block (607);
the laser emitted by the tail end correlation laser (610) of the feeding mechanism (6) penetrates through a gap between the placing table stop block (607) and the placing table limiting block II (606), and when the head end of the connecting rod is abutted to the placing table stop block (607), the tail end correlation laser (610) of the feeding mechanism (6) can detect the connecting rod.
3. The physical dimension detecting system of a connecting rod according to claim 2, wherein:
the distance between the inner sides of the two symmetrically arranged placing table limiting blocks I (605) is gradually reduced and gradually transits to be slightly larger than the width of the connecting rod;
the inner side distance of the two symmetrically arranged placing table limiting blocks (606) is gradually reduced and gradually transits to be approximately equal to the width of the connecting rod.
4. The physical dimension detecting system of a connecting rod according to claim 3, wherein:
the upper laser sensor (903) is arranged on the upper adjustable base (901) in a sliding mode and can move up and down; the lower laser sensor (902) is arranged on the lower adjustable base (904) in a sliding mode and can move up and down.
5. The physical dimension detecting system of a connecting rod according to claim 4, wherein:
the first clamping jaw moving plate (705) and the second clamping jaw moving plate (706) are connected with the same claw driving device, and when the clamping jaw moving plate is used, the first clamping jaw moving plate and the second clamping jaw moving plate move towards opposite directions.
6. The physical dimension detecting system of a connecting rod according to claim 5, wherein:
the largest distance between the inner sides of the two placing table limiting blocks II (606) is equal to the smallest distance between the two placing table limiting blocks I (605).
7. The physical dimension detecting system of a connecting rod according to claim 6, wherein:
and two sides of the supporting plate (801) are also provided with a moving mechanism correlation pipeline sensor (810).
8. The physical dimension detecting system using the connecting rod according to any one of claims 1 to 7, wherein: the method comprises the following steps:
1) the connecting rod pushes the material stirring rod (604) to rotate towards the tail end of the feeding mechanism (6) under the driving of the conveyor belt, then the connecting rod enters the placing table (614), at the moment, the material stirring rod (604) falls into a large hole of the connecting rod,
2) then starting a feeding cylinder, driving a material shifting structure sliding block (602) to slide towards the tail end of the placing table (614) by the feeding cylinder, enabling a material shifting rod (604) to be abutted against the inner wall of a large hole of a connecting rod, enabling a blocking block (605) and the material shifting rod (604) to jointly drive the connecting rod to slide towards the tail end of the placing table, and enabling the material shifting structure sliding block to be abutted against a stop block of the placing table (614) through the limiting action of two placing table limiting blocks I (605) and two placing table limiting blocks II (606); the small hole of the connecting rod faces to the first through hole (613), and the large hole of the connecting rod faces to the second through hole (612);
3) moving the clamping jaws through the cylinders of the X-axis module and the Y-axis module, enabling the clamping jaw moving plate I (705) to penetrate through the small hole of the connecting rod and the through hole I (613), enabling the clamping jaw moving plate II (706) to penetrate through the large hole of the connecting rod and the through hole II (612),
4) then, the claw hand driving device is started, so that the first clamping jaw moving plate (705) moves towards the front end side of the carrying mechanism (7), the second clamping jaw moving plate (706) moves towards the tail end side of the carrying mechanism (7) until the first clamping jaw moving plate and the second clamping jaw moving plate are respectively abutted against the inner walls of the small hole and the large hole of the connecting rod, then the clamping jaws are moved through the X-axis module and the Y-axis module, so that the connecting rod is positioned right above the moving mechanism (8),
5) then starting a claw hand driving device to restore the positions of a clamping jaw moving plate I (705) and a clamping jaw moving plate II (706), enabling a connecting rod to fall on a moving mechanism (8), enabling the connecting rod to be located between the clamping jaws of the two moving mechanisms, and enabling a connecting rod II of the clamping jaws of the moving mechanisms to face to the middle position of the connecting rod; (ii) a
6) Starting the air cylinders of the moving mechanism clamping jaws to enable the two moving mechanism clamping jaws to move relatively, wherein the two moving mechanism clamping jaw connecting rods II are abutted against the two side walls of the connecting rod; because the side wall of the connecting rod is a cambered surface with two high sides and a low middle part, and the lowest point is positioned at one side of the small head end, the moving mechanism clamping jaw connecting rod II is gradually extruded to enable the connecting rod to move towards the tail end of the supporting plate until the connecting rod is abutted against the stop block, and at the moment, the connecting rod is positioned;
7) then the supporting plate slides on the slide rail of the moving mechanism and moves from the head end to the tail end;
8) and the upper laser sensor and the lower laser sensor detect the connecting rod.
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| CN202010667820.1A CN111649674B (en) | 2020-07-13 | 2020-07-13 | System and method for detecting appearance size of connecting rod |
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| CN202010667820.1A CN111649674B (en) | 2020-07-13 | 2020-07-13 | System and method for detecting appearance size of connecting rod |
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| CN112345544A (en) * | 2020-09-24 | 2021-02-09 | 海克斯康制造智能技术(青岛)有限公司 | Multifunctional connecting rod automatic detection line |
| WO2022012115A1 (en) * | 2020-07-13 | 2022-01-20 | 浙江跃进机械有限公司 | Detection device of connecting rod detection system and detection method therefor |
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