CN114705823A - Flaw detection system for metal bar - Google Patents

Abstract

The utility model relates to a flaw detection system for metal rod, it relates to the field of detecting a flaw, it includes two sets of conveyor that are used for transmitting metal rod and is located the flaw detection device between two sets of conveyor, the flaw detection device includes the slide, regulation platform and a plurality of flaw detection equipment, the regulation platform slides and sets up on the slide, a plurality of flaw detection equipment all set up on the regulation platform through installation mechanism, be equipped with the adjustment mechanism that the drive adjustment platform slided along the direction of transmission of perpendicular to metal rod on the slide, be equipped with the inspection hole that is used for supplying metal rod to pass on the flaw detection equipment, be equipped with the automatic alignment mechanism that is used for the central axis with the inspection hole to aim at the central axis of metal rod on the regulation platform. This application has the effect of automatic change flaw detection equipment in order to realize the all-round detection to metal bar, has improved the detection efficiency of detecting a flaw to metal bar.

Description

Flaw detection system for metal bar

Technical Field

The application relates to the field of flaw detection, in particular to a flaw detection system for metal bars.

Background

Flaw detection refers to the detection of cracks or defects within a metallic material. At present, the commonly used flaw detection methods include X-ray flaw detection, ultrasonic flaw detection, magnetic particle flaw detection, eddy current flaw detection, penetrant flaw detection (dye flaw detection), flaw detection, fluorescent flaw detection and the like; different flaw detection methods have different purposes, and at present, in order to realize the omnibearing detection of metal bars, various flaw detection devices are generally used for carrying out flaw detection on metal equipment.

In the related art, after the metal bar is cast, flaw detection is generally performed on the metal bar by using flaw detection equipment. Because metal bar's weight is heavier, for convenient to detect metal bar, consequently in the workshop, generally be provided with metal bar in the both sides of the equipment of detecting a flaw and support conveying equipment to the equipment of detecting a flaw detects metal bar.

With respect to the related art among the above, the inventors consider that the following drawbacks exist: due to the fact that different flaw detection methods are different in purpose, when metal bars need to be detected in all directions, flaw detection equipment between two metal bar supporting and conveying devices needs to be carried and replaced manually, time and labor are consumed, and flaw detection efficiency of the metal bars is greatly reduced.

Disclosure of Invention

In order to contribute to improving the efficiency of detecting a flaw on a metal bar, the present application provides a flaw detection system for a metal bar.

The application provides a flaw detection system for metal rod adopts following technical scheme:

the utility model provides a flaw detection system for metal rod, includes two sets of conveyor who is used for transmitting metal rod, still including being located two sets ofly flaw detection device between the conveyor, flaw detection device includes slide, regulation station and a plurality of inspection equipment, the regulation station slides and sets up on the slide, and is a plurality of inspection equipment all sets up through installation mechanism on the regulation station, be equipped with the drive on the slide the adjustment mechanism that the transmission direction of regulation station edge perpendicular to metal rod slided, be equipped with the inspection hole that is used for supplying metal rod to pass on the inspection equipment, be equipped with on the regulation station and be used for with the central axis of inspection hole aims at the automatic counterpoint mechanism of the central axis of metal rod.

By adopting the technical scheme, the mounting mechanism is used for mounting a plurality of flaw detection devices on the adjusting table, then the proper flaw detection devices are selected according to requirements, so that the adjusting table is driven by the adjusting mechanism to slide to a proper position along the central axis perpendicular to the metal bar, and finally the automatic aligning mechanism is used for aligning the central axis of the detection hole on the flaw detection device to the central axis of the metal bar so as to perform flaw detection on the metal bar; the flaw detection system with the structure can automatically move required flaw detection equipment to a proper position as required, facilitates the realization of all-dimensional detection of the flaw detection equipment, replaces manual carrying of the flaw detection equipment, is time-saving and labor-saving, and improves the flaw detection efficiency of metal bars.

In a specific can embodiment, installation mechanism includes a plurality of mount pads, and is a plurality of the mount pad respectively with a plurality of the inspection equipment one-to-one, be equipped with the mounting panel on the inspection equipment, the mounting panel passes through the bolt fastening and is in on the mount pad, be equipped with two relative guide rails on the regulation platform, be equipped with on the mount pad the leading wheel that slides on the guide rail, the mount pad pass through locking Assembly with the regulation platform links to each other.

By adopting the technical scheme, when the mounting device is mounted, the flaw detection device is firstly placed on the mounting seat, the mounting plate is fixed on the mounting seat by using the bolt, and then the flaw detection device is fixed on the mounting seat; then personnel can place the mount pad on the adjustment table with the help of fork truck to with leading wheel and guide rail sliding fit, personnel promote the mount pad this moment, so that place the suitable position on the adjustment table with the mount pad, personnel fix the mount pad on the adjustment table through locking Assembly at last, have realized promptly that the equipment of detecting a flaw is located the location on the adjustment table.

In a specific can embodiment, the locking subassembly includes electric cylinder, locking piece and gasbag ring, be equipped with the cavity that is used for holding the electric cylinder in the mount pad, the mount pad towards the lateral wall of regulation platform be equipped with the telescopic hole of cavity intercommunication, the piston rod of electric cylinder passes telescopic hole and with the locking piece links to each other, be equipped with the confession on the regulation platform locking piece male locking groove, the gasbag ring spirals to set up on the lateral wall of locking piece, the cell wall of locking groove is equipped with the confession gasbag ring male annular, be equipped with in the cavity and be used for doing the gasbag ring provides the air supply spare of air supply.

By adopting the technical scheme, the electric cylinder is started, the piston rod of the electric cylinder extends out, the electric cylinder drives the locking block to be inserted into the locking groove, the installation seat is positioned on the adjusting platform, then the air supply piece is utilized to provide an air source for the air bag ring, and the air bag ring gradually expands until the side wall of the air bag ring is tightly abutted against the groove wall of the annular groove, so that the locking block is fixed in the locking groove; and the gasbag ring spirals and sets up on the locking piece, has increased the frictional force between locking piece and the locking groove cell wall, has improved the stability that the locking piece is located locking inslot.

In a specific can implement embodiment, the air feed spare includes reservoir bag and air supply pipe, be equipped with the clamp plate in the cavity, the lateral wall of clamp plate is equipped with the elevator, be equipped with the confession on the chamber wall of cavity the elevator groove that the elevator slided, the elevator pass through the spring with the cell wall of elevator groove links to each other, the elevator is kept away from the lateral wall of spring is equipped with the permanent magnet, the cell wall of elevator groove is equipped with the electro-magnet, the permanent magnet with electro-magnet magnetic adsorption connects, the reservoir bag is sticky to be set up the clamp plate with between the relative lateral wall of cavity, the one end of air supply pipe with reservoir bag intercommunication, the other end of air supply pipe passes locking block and with gasbag ring intercommunication.

By adopting the technical scheme, when the electromagnet is powered on, the electromagnet generates an electromagnetic field, and then the permanent magnet is connected to the electromagnet in a magnetic adsorption manner, and at the moment, the spring is in a stretching state; when the electromagnet is powered off, the electromagnetic field of the electromagnet disappears, the lifting block is driven to move downwards in the lifting groove by the elastic resetting force of the spring, and then the air storage bag is extruded by the pressing plate, so that an air source in the air storage bag enters the air bag ring through the air supply pipe, and air supply to the air bag ring is realized.

In a specific embodiment, be equipped with a plurality of prepositioning subassemblies on the regulation platform, it is a plurality of prepositioning subassembly respectively with a plurality of mount pad one-to-one, the prepositioning subassembly is used for right the locking block is spacing, the prepositioning subassembly includes two stoppers, two the stopper is followed the length direction of guide rail sets up relatively, be equipped with the confession on the regulation platform the spacing groove that the stopper slided, inside being equipped with of regulation platform with the cavity of spacing groove intercommunication, be equipped with in the cavity and be used for the drive the altitude mixture control spare that the stopper goes up and down.

Through adopting above-mentioned technical scheme, utilize altitude mixture control piece drive stopper to go up and down for the locking piece is located between two stoppers, and then plays the effect of location to the locking piece through the stopper, so that aim at the locking piece and lock the inslot, be convenient for insert the locking piece and lock the inslot.

In a specific implementation scheme, the height adjusting part comprises a first motor, a first gear and two racks, the body of the first motor is arranged in the cavity, a driving shaft of the first motor is coaxially and fixedly connected with the first gear, the two racks are all meshed with the first gear, the two racks are respectively in one-to-one correspondence with the two limiting blocks, and the racks are connected with the limiting blocks.

Through adopting above-mentioned technical scheme, start first motor, the first gear of first motor drive rotates, along with the rotation of first gear, one of them stopper shifts up, another stopper moves down, so that the locking piece removes to between two stoppers, and carry out the prepositioning to the position of locking piece earlier through the stopper that one of them shifted up this moment, when the lateral wall butt of locking piece and one of them stopper, the first gear of first motor drive rotates, so that drive the equal butt of two stoppers on the lateral wall of locking piece, the location to the locking piece has finally been realized.

In a specific implementation scheme, two the lateral wall that is back to the back of stopper all is equipped with laser range finding sensor, works as laser range finding sensor detects the locking block with when the spacing value between the stopper is less than preset standard value, first motor circular telegram starts.

Through adopting above-mentioned technical scheme, utilize laser rangefinder sensor to detect the interval between locking piece and the stopper to send the interval that detects to PLC control circuit, PLC control circuit compares the interval value that detects with the preset standard value, if the interval value between locking piece and the stopper is less than when presetting the standard value, first motor circular telegram starts, and the first gear of first motor drive moves for one of them stopper moves down, so that move the locking piece to between two stoppers.

In a specific possible implementation scheme, the adjusting mechanism comprises a second motor, a screw rod and an adjusting block, the second motor is arranged on the side wall of the sliding seat, an adjusting groove is formed in the sliding seat, the screw rod is rotatably arranged in the adjusting groove, a driving shaft of the second motor is fixedly connected with the screw rod in a coaxial mode, the adjusting block is arranged on the groove wall of the adjusting groove in a sliding mode, the adjusting block is connected with the screw rod in a threaded mode, and the adjusting table is arranged on the adjusting block.

Through adopting above-mentioned technical scheme, start the second motor, the second motor drive lead screw rotates, and the lead screw drives the regulating block and slides in the adjustment tank, and then the adjustment table slides along with the regulating block is synchronous to move suitable position along the axial of perpendicular to metal rod with the equipment of detecting a flaw, the metal rod of being convenient for passes the inspection hole of the equipment of detecting a flaw and detects a flaw.

In a specific implementation scheme, the automatic aligning mechanism comprises a positioning seat, two positioning plates and two aligning plates, the positioning seat is arranged between the sliding seat and one of the groups of conveying devices, the two positioning plates are both rotatably connected to the positioning seat and oppositely arranged, the opposite side walls of the two positioning plates are respectively provided with an infrared distance measuring sensor, the distance between the two positioning plates and the metal bar is consistent, the two aligning plates are oppositely arranged on the flaw detection equipment, the detection hole is positioned between the two aligning plates, the distance between the two aligning plates and the central axis of the detection hole is consistent, and the positioning seat is provided with a rotating assembly for driving the two positioning plates to rotate to the distance between the two aligning plates; and when the distance between the two groups of alignment plates and the positioning plate measured by the infrared distance measuring sensor is inconsistent, the second motor is electrified and started.

By adopting the technical scheme, the two positioning plates are driven to rotate by the rotating assembly, so that the two positioning plates rotate to a position between the two alignment plates, at the moment, the distance between the alignment plates and the positioning plates is measured by the infrared distance measuring sensor and is sent to the PLC controller, the PLC controller compares the distances between the two groups of alignment plates and the positioning plates respectively, if the distances between the two groups of positioning plates and the alignment plates are inconsistent, the PLC controller sends a command for electrifying and starting the second motor, and then the second motor drives the screw rod to rotate, so that the adjusting table is driven by the adjusting block to move to a proper position until the space between the two groups of positioning plates and the aligning plate is consistent, the second motor outage is closed, has finally realized the automatic alignment to the central axis of inspection hole and metal bar's the central axis to detect a flaw to metal bar, detection efficiency is high.

In a specific can embodiment, rotating assembly includes third motor, second gear and arc serration plate, the inside of positioning seat is equipped with holds the chamber, the organism setting of third motor is in hold the intracavity, the drive shaft of third motor with the coaxial fixed connection of second gear, the inner arc wall of arc serration plate be equipped with a plurality of with the sawtooth of second gear engagement, two the locating plate sets up relatively the outer arc wall of arc serration plate, be equipped with the confession on the positioning seat locating plate pivoted direction mouth.

Through adopting above-mentioned technical scheme, start the third motor, third motor drive second gear revolve, and then the second gear drives arc serration plate and rotates to arc serration plate drives two locating plates and rotates in the guide opening, finally rotates two locating plates to between two counterpoint boards.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the required flaw detection equipment is moved to a proper position through the adjusting mechanism, so that the all-dimensional detection of the flaw detection equipment is facilitated, manual carrying of the flaw detection equipment is replaced, time and labor are saved, and the flaw detection efficiency of the metal bar is improved;

2. the position of the locking block is pre-positioned by utilizing one of the upward-moving limiting blocks until the locking block abuts against the side wall of one of the limiting blocks, the first motor drives the first gear to rotate so as to drive the two limiting blocks to abut against the side wall of the locking block, and finally the positioning of the locking block is realized;

3. if the interval between two sets of locating plates and the counterpoint board is inconsistent, then the second motor drive lead screw rotates to drive the regulation platform through the regulating block and remove to suitable position, so that adjust the position of device of detecting a flaw, when interval between two sets of locating plates and the counterpoint board is unanimous, the second motor outage is closed, finally realized the central axis to the inspection hole and the automatic alignment of the central axis of metal rod, so that detect a flaw to metal rod, detection efficiency is high.

Drawings

Fig. 1 is a schematic view of the overall configuration of a flaw detection system for a metal bar in an example of the present application.

Fig. 2 is a schematic view of the overall configuration of a flaw detection apparatus in the embodiment of the present application.

Fig. 3 is a sectional view taken along the plane a-a in fig. 2.

Fig. 4 is an enlarged view of a portion a in fig. 3.

Fig. 5 is an enlarged view of fig. 2 at B.

Fig. 6 is a sectional view taken along the plane B-B in fig. 2.

Fig. 7 is an enlarged view at C in fig. 6.

Description of reference numerals: 1. a conveying device; 2. a flaw detection device; 21. a slide base; 22. an adjusting table; 23. flaw detection equipment; 24. a detection hole; 3. a defect marking device; 4. a drying device; 5. a demagnetizing device; 6. an installation mechanism; 61. a mounting seat; 611. a slot; 62. mounting a plate; 63. a bolt; 64. a guide rail; 65. a guide wheel; 7. a locking assembly; 71. an electric cylinder; 72. a locking block; 73. a balloon ring; 74. a telescopic hole; 75. a locking groove; 76. a ring groove; 8. a gas supply member; 81. a gas storage bag; 82. a gas supply pipe; 83. pressing a plate; 84. a lifting block; 85. a lifting groove; 86. a spring; 87. a permanent magnet; 88. an electromagnet; 9. a pre-positioning assembly; 91. a limiting block; 92. a limiting groove; 93. a cavity; 10. a height adjustment member; 101. a first motor; 102. a first gear; 103. a rack; 104. a laser ranging sensor; 11. an adjustment mechanism; 111. a second motor; 112. a screw rod; 113. an adjusting block; 114. an adjustment groove; 12. an automatic alignment mechanism; 121. positioning seats; 122. positioning a plate; 123. a positioning plate; 124. an infrared ranging sensor; 13. a rotating assembly; 131. a third motor; 132. a second gear; 133. an arc-shaped serrated plate; 134. an accommodating chamber; 135. a guide port.

Detailed Description

The present application is described in further detail below with reference to figures 1-7.

The embodiment of the application discloses a flaw detection system for metal bars. Referring to fig. 1, the flaw detection system for metal bars comprises two groups of conveying devices 1 for conveying the metal bars, a flaw detection device 2, a flaw marking device 3, a drying device 4 and a demagnetizing device 5 are sequentially arranged between the two groups of conveying devices 1, the metal bars are sequentially conveyed to the flaw detection device 2, the flaw marking device 3, the drying device 4 and the demagnetizing device 5 by the conveying devices 1, then the flaw detection device 2 is used for carrying out flaw detection on the metal bars in the moving process of the metal bars, the detected metal bars enter the flaw detection device 3, the flaw detection device 3 carries out paint spraying and marking on the flaws of the metal bars after flaw detection, then the drying device 4 is used for air-drying and solidifying paint on the metal bars, so that workers can quickly find accurate flaws, and finally the demagnetizing device 5 is used for carrying out demagnetizing operation on the metal bars, finally, flaw detection of the metal bar is realized.

Referring to fig. 1 and 2, when the metal bar needs to be detected in all directions, different flaw detection equipment 23 is needed to detect the flaw of the metal bar, and the flaw detection instrument is replaced for the transportation of workers to improve the flaw detection efficiency of the metal bar. The flaw detection device 2 in this embodiment includes a slide base 21, an adjusting table 22 and a plurality of flaw detection devices 23, the slide base 21 is disposed between one of the conveying devices 1 and the flaw marking device 3, the adjusting table 22 is disposed on the slide base 21 in a sliding manner, the slide base 21 is provided with an adjusting mechanism 11 for driving the adjusting table 22 to slide along a direction perpendicular to a conveying direction of the metal bar, the plurality of flaw detection devices 23 are disposed on the adjusting table 22 through an installation mechanism 6, the plurality of flaw detection devices 23 in this embodiment take two as an example, the two flaw detection devices 23 are a laser flaw detector and an eddy current flaw detector, the two flaw detection devices 23 are provided with detection holes 24 through which the metal bar passes, and the adjusting table 22 is provided with an automatic aligning mechanism 12 for aligning a central axis of the detection holes 24 with a central axis of the metal bar.

Before the detection, good required inspection equipment 23 of selection earlier, then utilize adjustment mechanism 11 drive adjusting station 22 to slide to suitable position along the direction of perpendicular to metal bar, automatic alignment mechanism 12 aligns the central axis of metal bar with inspection hole 24 of inspection equipment 23 again, so that detect a flaw to metal bar, adopt above-mentioned structure, slide along the central axis direction of perpendicular to metal bar through driving a plurality of inspection equipment 23, so that move suitable inspection equipment 23 to suitable position as required, in order to realize the all-round detection to metal bar, the detection efficiency of detecting a flaw to metal bar has been improved.

Referring to fig. 2 and 3, the mounting mechanism 6 includes mounting seats 61 corresponding to the two flaw detection devices 23 one by one, mounting plates 62 are fixedly disposed on both side walls of the flaw detection devices 23, the mounting plates 62 are fixedly connected to the mounting seats 61 through bolts 63, the adjusting table 22 is provided with two opposite guide rails 64, the length direction of the guide rails 64 is perpendicular to the axial direction of the metal bar, the mounting seats 61 are provided with a plurality of guide wheels 65 sliding on the guide rails 64, and each guide rail 64 is provided with two guide wheels 65 sliding thereon; the cooperation of guide rail 64 and leading wheel 65 is convenient for place inspection equipment 23 in the suitable position on adjustment stage 22, and in this embodiment, mount pad 61 links to each other with adjustment stage 22 through locking Assembly 7, after adjusting inspection equipment 23 to the suitable position, utilizes locking Assembly 7 to link to each other mount pad 61 with adjustment stage 22, has realized that inspection equipment 23 is located the location on adjustment stage 22 to with inspection equipment 23 temperature fixed connection on adjustment stage 22.

In this embodiment, the side wall of the mounting seat 61 is provided with a slot 611, and the slot 611 is used for matching with a fork plate of a forklift; after the flaw detection equipment 23 is installed on the installation base 61, the fork plates of the forklift are inserted into the slots 611, and then the installation base 61 is placed on the adjusting table 22 by the forklift, so that manual carrying of the flaw detection equipment 23 is replaced, and time and labor are saved.

Referring to fig. 3 and 4, the locking assembly 7 includes an electric cylinder 71, a locking block 72 and an air bag ring 73, a cavity for accommodating the electric cylinder 71 is provided in the mounting seat 61, a telescopic hole 74 communicated with the cavity is provided on a side wall of the mounting seat 61 facing the adjusting table 22, the telescopic hole 74 is matched with a piston rod of the electric cylinder 71, the piston rod of the electric cylinder 71 is vertically disposed, the piston rod of the electric cylinder 71 passes through the telescopic hole 74 and is connected with the locking block 72, a locking groove 75 for inserting the locking block 72 is provided on a top wall of the adjusting table 22, the air bag ring 73 is spirally disposed on a side wall of the locking block 72, an annular groove 76 for inserting the air bag ring 73 is provided on a wall of the locking groove 75, and an air supply part 8 for providing an air source for the air bag ring 73 is provided in the cavity.

During the installation, start electric jar 71, the piston rod of electric jar 71 stretches out to insert locking piece 72 in the locking groove 75, then utilize air feed spare 8 to provide the air supply for gasbag ring 73, and then gasbag ring 73 takes place the inflation gradually, when the lateral wall butt of gasbag ring 73 is on the cell wall of annular groove 76, fix locking piece 72 in locking groove 75, and then realized being located the location on adjusting station 22 to mount pad 61, help preventing that leading wheel 65 from sliding on guide rail 64, improved the stability that inspection equipment 23 fixed on adjusting station 22.

Referring to fig. 4, the air supply unit 8 includes an air storage bag 81 and an air supply pipe 82, a pressure plate 83 is slidably connected to a cavity wall of the cavity, the pressure plate 83 is horizontally disposed, the air storage bag 81 is adhesively disposed between a bottom wall of the pressure plate 83 and an inner bottom wall of the cavity, one end of the air supply pipe 82 is communicated with the air storage bag 81, the other end of the air supply pipe 82 passes through the locking block 72 and is communicated with the air bag ring 73, and a through hole for the air supply pipe 82 to pass through is disposed on a side wall of the locking block 72.

The side wall of the pressing plate 83 is integrally provided with a lifting block 84, the cavity wall of the cavity is provided with a lifting groove 85 for the lifting block 84 to slide along the vertical direction, the lifting block 84 slides in the lifting groove 85, the bottom wall of the lifting block 84 is connected with the groove wall of the lifting groove 85 through a spring 86, the elastic force of the spring 86 is utilized to provide the lifting block 84 with the force of moving downwards in the lifting groove 85, the top wall of the lifting block 84 is fixedly provided with a permanent magnet 87, the groove wall of the lifting groove 85 is provided with an electromagnet 88, and the electromagnet 88 is arranged opposite to the permanent magnet 87; the electromagnet 88 is powered on, and then the electromagnet 88 generates an electromagnetic field to drive the permanent magnet 87 to approach the electromagnet 88, at the moment, the pressing plate 83 moves upwards, and the spring 86 is stretched; when the electromagnet 88 is powered off, the magnetic field of the electromagnet 88 disappears, the lifting block 84 is pulled to move downwards in the lifting groove 85 by the elastic restoring force of the spring 86, the pressing plate 83 moves downwards at the moment, and the air storage bag 81 is extruded by the pressing plate 83, so that the air source in the air storage bag 81 enters the air bag ring 73 through the air supply pipe 82, and the air bag ring 73 gradually expands and tightly abuts against the groove wall of the ring groove 76, and the locking block 72 is limited in the locking groove 75.

Referring to fig. 2 and 4, after placing mount pad 61 on adjusting station 22, in order to move mount pad 61 to suitable position fast, adjusting station 22 is equipped with a plurality of prepositioning subassemblies 9, in this embodiment, the quantity of a plurality of prepositioning subassemblies 9 takes two sets as an example, two sets of prepositioning subassemblies 9 respectively with two mount pads 61 one-to-one, prepositioning subassembly 9 is used for spacing locking piece 72 to fast slide mount pad 61 to suitable position.

Wherein a set of pre-positioning assembly 9 includes two stopper 91, and two stopper 91 set up along the length direction of guide rail 64 relatively, are equipped with the spacing groove 92 that supplies stopper 91 to slide on the regulation platform 22, and the inside of regulation platform 22 is equipped with the cavity 93 with two spacing groove 92 intercommunications, is equipped with the height control spare 10 that is used for driving stopper 91 to go up and down in the cavity 93. After placing mount pad 61 on adjustment table 22, utilize height-adjusting part 10 drive stopper 91 to shift up, and then play limiting displacement to the position of locking piece 72 through stopper 91, realized that mount pad 61 is located the location on adjustment table 22, be convenient for insert locking piece 72 fast locking groove 75 in.

Referring to fig. 4, the height adjusting member 10 includes a first motor 101, a first gear 102 and two racks 103, a body of the first motor 101 is disposed in the cavity 93, a driving shaft of the first motor 101 is coaxially and fixedly connected with the first gear 102, the two racks 103 are respectively in one-to-one correspondence with the two limiting blocks 91, the racks 103 are fixedly connected with bottom walls of the limiting blocks 91, the first gear 102 is located between the two racks 103, and both the two racks 103 are engaged with the gears; starting first motor 101, first motor 101 drives first gear 102 to rotate, and then first gear 102 drives two racks 103 to go up and down to carry out spacing to locking piece 72 through two stopper 91.

When the first gear 102 rotates, one of the racks 103 moves downwards, and the other rack 103 moves upwards; when one of the racks 103 moves downwards, the guide wheel 65 on the mounting base 61 slides on the guide rail 64, so that the locking block 72 slides and abuts against the side wall of one of the limit blocks 91, the locking block 72 is conveniently and quickly inserted into the locking groove 75, then the first gear 102 is driven to rotate, and the two racks 103 move until the two limit blocks 91 abut against the side wall of the locking block 72, so that the locking block 72 is positioned.

In this embodiment, rubber pads are disposed on opposite sidewalls of the two limiting blocks 91, and the limiting blocks 91 are abutted to the sidewalls of the locking blocks 72 through the rubber pads; the rubber pad is used to increase the friction force between the stopper 91 and the locking block 72, which helps to prevent the locking block 72 from displacing in the locking groove 75 in the vertical direction, and improves the stability of the locking block 72 in the locking groove 75.

Referring to fig. 4, the opposite side walls of the two limit blocks 91 are both provided with a laser ranging sensor 104; after the mounting seat 61 is placed on the adjusting table 22, the limiting blocks 91 and the locking blocks 72 are arranged oppositely, the laser ranging sensor 104 is used for detecting the distance between the locking blocks 72 and the limiting blocks 91 in real time at the moment, the detected distance signals are sent to the PLC control circuit, the PLC control circuit carries out data processing on the distance signals to obtain the distance value between the limiting blocks 91 and the locking blocks 72, when the laser ranging sensor 104 detects that the distance value between the locking blocks 72 and one of the limiting blocks 91 is smaller than a preset standard value, a signal for electrifying and starting the first motor 101 is sent out, so that the first motor 101 sends out a stepping signal, the heights of the two limiting blocks 91 are adjusted to proper positions, the locking blocks 72 are moved between the two limiting blocks 91, and finally automatic adjustment of the heights of the limiting blocks 91 is achieved.

Referring to fig. 3, the adjusting mechanism 11 includes a second motor 111, a screw rod 112 and an adjusting block 113, a body of the second motor 111 is disposed on a side wall of the sliding base 21, an adjusting groove 114 is disposed on the sliding base 21, the screw rod 112 is rotatably disposed in the adjusting groove 114, a length direction of the screw rod 112 and the adjusting groove 114 is perpendicular to an axial direction of the metal bar, a driving shaft of the second motor 111 is coaxially and fixedly connected with one end of the screw rod 112, the other end of the screw rod 112 is rotatably connected with a groove wall of the adjusting groove 114, the adjusting block 113 is in threaded connection with the screw rod 112, the adjusting block 113 slides in the adjusting groove 114, and the adjusting table 22 is fixedly disposed on the adjusting block 113; the second motor 111 is started, the second motor 111 drives the screw rod 112 to rotate, the adjusting block 113 slides in the adjusting groove 114 along with the rotation of the screw rod 112, and then the adjusting block 113 drives the adjusting table 22 to slide along the axial direction perpendicular to the metal bar, so that the flaw detection equipment 23 is moved to the set position.

Referring to fig. 3, 5 and 6, the automatic aligning mechanism 12 includes a positioning seat 121, two positioning plates 122 and two aligning plates 123, the positioning seat 121 is disposed between the sliding seat 21 and one of the groups of conveying devices 1, the positioning seat 121 is disposed on one side of the sliding seat 21 away from the defect marking device 3, the two positioning plates 122 are both rotatably connected to the positioning seat 121, the two positioning plates 122 are disposed oppositely, the opposite side walls of the two positioning plates 122 are both provided with infrared distance measuring sensors 124, and the distance between the two positioning plates 122 and the metal bar is consistent; two counterpoint boards 123 set up relatively on the lateral wall of inspection equipment 23, inspection hole 24 is located between two counterpoint boards 123, and the interval between two counterpoint boards 123 and the central axis of inspection hole 24 is unanimous, is equipped with on the positioning seat 121 to be used for driving two locating plates 122 to rotate to the autogiration subassembly 13 between two counterpoint boards 123.

After the flaw detection equipment 23 is moved to a proper position, the two positioning plates 122 are driven to rotate by the rotating assembly 13, so that the two positioning plates 122 rotate to a position between the two aligning plates 123, at the moment, the distance between the aligning plates 123 and the positioning plates 122 is measured by the infrared distance measuring sensor 124 and is sent to the PLC controller, the PLC controller compares the distances between the two aligning plates 123 and the positioning plates 122, if the distances between the two positioning plates 122 and the aligning plates 123 are inconsistent, the PLC controller sends out an instruction for electrifying and starting the second motor 111, the second motor 111 drives the screw rod 112 to rotate, so that the adjusting table 22 is driven by the adjusting block 113 to move to a proper position, when the distances between the two positioning plates 122 and the aligning plates 123 are consistent, the second motor 111 is powered off and closed, and finally, the automatic alignment of the central axis of the detection hole 24 and the central axis of the metal bar is realized, so as to detect the flaw of the metal bar and have high detection efficiency.

Referring to fig. 6 and 7, the rotating assembly 13 includes a third motor 131, a second gear 132 and an arc-shaped serrated plate 133, a containing cavity 134 is provided inside the positioning seat 121, a body of the third motor 131 is disposed in the containing cavity 134, a driving shaft of the third motor 131 is coaxially and fixedly connected with the second gear 132, a plurality of serrations meshed with the second gear 132 are provided on an inner arc wall of the arc-shaped serrated plate 133, the two positioning plates 122 are oppositely disposed on an outer arc wall of the arc-shaped serrated plate 133, and a guide opening 135 for the positioning plate 122 to rotate is provided on a top wall of the positioning seat 121; the third motor 131 is started, the third motor 131 drives the second gear 132 to rotate, and then the second gear 132 drives the arc-shaped sawtooth plates 133 to rotate, so that the arc-shaped sawtooth plates 133 drive the two positioning plates 122 to rotate in the guide openings 135, and finally the two positioning plates 122 are rotated to a position between the two alignment plates 123.

The implementation principle of the flaw detection system for the metal bar in the embodiment of the application is as follows: when flaw detection is carried out on the metal bar, the required flaw detection equipment 23 is selected according to the requirement, the second motor 111 is started, the second motor 111 drives the screw rod 112 to rotate, the screw rod 112 drives the adjusting block 113 to slide in the adjusting groove 114, and then the adjusting block 113 drives the adjusting table 22 to slide so as to adjust the flaw detection equipment 23 to a proper position; then the third motor 131 is started, the third motor 131 drives the second gear 132 to rotate, the second gear 132 drives the arc-shaped serrated plate 133 to rotate, so that the two positioning plates 122 are rotated between the two aligning plates 123, at the moment, the infrared distance measuring sensor 124 is used for measuring the distance between the aligning plates 123 and the positioning plates 122, if the distances between the two groups of aligning plates 123 and the positioning plates 122 are inconsistent, the second motor 111 is started, the adjusting table 22 is driven to move along with the rotation of the screw rod 112, the fine adjustment of the flaw detection equipment 23 is realized, and when the distances between the two groups of aligning plates 123 and the positioning plates 122 are consistent, the central axis of the detection hole 24 is automatically aligned with the central axis of the metal bar so as to perform flaw detection on the metal bar; finally, replacement of flaw detection equipment 23 by manual carrying is replaced, so that the flaw detection equipment 23 is automatically moved to a proper position according to needs, all-dimensional detection is conveniently carried out on the metal bar, and the flaw detection efficiency of the metal bar is improved.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (10)

1. A flaw detection system for metal bars, comprising two sets of conveying devices (1) for conveying the metal bars, characterized in that: still including being located two sets ofly detection device (2) between conveyor (1), detection device (2) include slide (21), regulation platform (22) and a plurality of inspection equipment (23), regulation platform (22) slide and set up on slide (21), and is a plurality of inspection equipment (23) all set up through installation mechanism (6) on regulation platform (22), be equipped with the drive on slide (21) regulation mechanism (11) that transmission direction that perpendicular to metal rod slided are followed in regulation platform (22), be equipped with on inspection equipment (23) and be used for supplying inspection hole (24) that metal rod passed, be equipped with on regulation platform (22) and be used for with the central axis of inspection hole (24) aims at automatic counterpoint mechanism (12) of the central axis of metal rod.

2. The flaw detection system for metal rods according to claim 1, wherein: installation mechanism (6) include a plurality of mount pads (61), and are a plurality of mount pad (61) respectively with a plurality of inspection equipment (23) one-to-one, be equipped with mounting panel (62) on inspection equipment (23), mounting panel (62) are fixed through bolt (63) on mount pad (61), be equipped with two relative guide rail (64) on regulation platform (22), be equipped with on mount pad (61) leading wheel (65) that slide on guide rail (64), mount pad (61) through locking Assembly (7) with regulation platform (22) link to each other.

3. The flaw detection system for metal rods according to claim 2, wherein: locking subassembly (7) include electric jar (71), locking piece (72) and gasbag ring (73), be equipped with the cavity that is used for holding electric jar (71) in mount pad (61), mount pad (61) towards the lateral wall of regulation platform (22) be equipped with telescopic hole (74) of cavity intercommunication, the piston rod of electric jar (71) passes telescopic hole (74) and with locking piece (72) link to each other, be equipped with the confession on regulation platform (22) locking piece (72) male locking groove (75), gasbag ring (73) spiral set up on the lateral wall of locking piece (72), the cell wall of locking groove (75) is equipped with the confession gasbag ring (73) male ring groove (76), be equipped with in the cavity and be used for doing gasbag ring (73) provide air supply's air supply spare (8).

4. The flaw detection system for metal rods according to claim 3, wherein: the air supply part (8) comprises an air storage bag (81) and an air supply pipe (82), a pressure plate (83) is arranged in the cavity, the side wall of the pressure plate (83) is provided with a lifting block (84), the cavity wall of the cavity is provided with a lifting groove (85) for the sliding of the lifting block (84), the lifting block (84) is connected with the groove wall of the lifting groove (85) through a spring (86), a permanent magnet (87) is arranged on the side wall of the lifting block (84) far away from the spring (86), an electromagnet (88) is arranged on the wall of the lifting groove (85), the permanent magnet (87) is connected with the electromagnet (88) in a magnetic adsorption manner, the air storage bag (81) is arranged between the pressure plate (83) and the opposite side wall of the cavity in a gluing mode, one end of the air supply pipe (82) is communicated with the air storage bag (81), and the other end of the air supply pipe (82) penetrates through the locking block (72) and is communicated with the air bag ring (73).

5. The flaw detection system for metal rods according to claim 3, wherein: be equipped with a plurality of pre-positioning subassembly (9) on regulation platform (22), it is a plurality of pre-positioning subassembly (9) respectively with a plurality of mount pad (61) one-to-one, pre-positioning subassembly (9) are used for right locking piece (72) are spacing, pre-positioning subassembly (9) include two stopper (91), two stopper (91) are followed the length direction of guide rail (64) sets up relatively, be equipped with the confession on regulation platform (22) spacing groove (92) that stopper (91) slided, regulation platform (22) inside be equipped with cavity (93) of spacing groove (92) intercommunication, be equipped with in cavity (93) and be used for the drive highly regulated piece (10) that stopper (91) go up and down.

6. The flaw detection system for metal rods according to claim 5, wherein: the height adjusting piece (10) comprises a first motor (101), a first gear (102) and two racks (103), a machine body of the first motor (101) is arranged in the cavity (93), a driving shaft of the first motor (101) is fixedly connected with the first gear (102) in a coaxial mode, the racks (103) are meshed with the first gear (102), the racks (103) are respectively in one-to-one correspondence with the limiting blocks (91), and the racks (103) are connected with the limiting blocks (91).

7. The flaw detection system for metal rods according to claim 6, wherein: two the lateral wall that keeps away from of stopper (91) all is equipped with laser range finding sensor (104), works as laser range finding sensor (104) detect locking block (72) with when the interval value between stopper (91) is less than preset standard value, first motor (101) circular telegram starts.

8. The flaw detection system for metal rods according to claim 1, wherein: adjustment mechanism (11) include second motor (111), lead screw (112) and regulating block (113), second motor (111) sets up on the lateral wall of slide (21), be equipped with adjustment tank (114) on slide (21), lead screw (112) rotate to set up in adjustment tank (114), the drive shaft of second motor (111) with the coaxial fixed connection of lead screw (112), regulating block (113) slide and set up on the cell wall of adjustment tank (114), regulating block (113) with lead screw (112) threaded connection, regulation platform (22) set up on regulating block (113).

9. The flaw detection system for metal rods according to claim 8, wherein: automatic counterpoint mechanism (12) include positioning seat (121), two locating plates (122) and two counterpoint boards (123), positioning seat (121) set up slide (21) and wherein a set of between conveyor (1), two locating plate (122) all rotate to be connected on positioning seat (121), two locating plate (122) set up relatively, two the lateral wall that is kept away from of locating plate (122) all is equipped with infrared distance measuring sensor (124), and the interval between two locating plates (122) and the metal rod is unanimous, two counterpoint board (123) set up relatively on flaw detection equipment (23), inspection hole (24) are located two between counterpoint board (123), two counterpoint board (123) with the interval between the central axis of inspection hole (24) is unanimous, be equipped with on positioning seat (121) and be used for driving two locating plates (122) to rotate to the rotating assembly(s) (123) between two counterpoint boards 13) (ii) a When the distance between the two groups of alignment plates (123) and the positioning plate (122) measured by the infrared distance measuring sensor (124) is inconsistent, the second motor (111) is electrified and started.

10. The flaw detection system for metal rods according to claim 9, wherein: rotating assembly (13) include third motor (131), second gear (132) and arc serration plate (133), the inside of positioning seat (121) is equipped with holds chamber (134), the organism setting of third motor (131) is in hold in chamber (134), the drive shaft of third motor (131) with the coaxial fixed connection of second gear (132), the inner arc wall of arc serration plate (133) be equipped with a plurality of with the sawtooth of second gear (132) meshing, two locating plate (122) set up relatively the outer arc wall of arc serration plate (133), be equipped with the confession on positioning seat (121) locating plate (122) pivoted direction mouth (135).

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