SUMMERY OF THE UTILITY MODEL
The utility model provides a steel pipe detection device, which comprises a conveying mechanism, a detection mechanism and a screening mechanism, wherein the conveying mechanism is arranged on the steel pipe; the steel pipe to be detected is conveyed to the detection mechanism by the conveying mechanism, the steel pipe is fixed by the detection mechanism and is detected, and the steel pipe which is detected is sorted by the screening mechanism.
Preferably, the conveying mechanism comprises a support, a conveying belt rotatably arranged on the support and a driving device for driving the conveying belt to move towards the detection mechanism, a plurality of separation strips are uniformly arranged on the surface of the conveying belt, and the steel pipe is positioned between every two adjacent separation strips. In order to prevent the steel pipes from rolling on the conveyor belt, the steel pipes are arranged between the separation strips, and the stability of the conveying mechanism is improved.
Furthermore, the driving mechanism is a motor I, a plurality of rotating shafts are arranged on the support in a rotating mode, the rotating shafts are in transmission connection with the motor, the rotating direction of the rotating shafts is consistent with the moving direction of the conveyor belt, and the conveyor belt is arranged on the support through the rotating shafts. The first motor drives the rotating shaft to rotate on the support, and the rotating shaft drives the conveying belt to rotate, so that the steel pipe is conveyed to the detection mechanism.
Preferably, the detection mechanism comprises a bottom plate, three-jaw chucks arranged at two ends of the bottom plate in a sliding manner, a lifting platform arranged on the bottom plate, a supporting roller rotatably arranged on the lifting platform, a supporting frame arranged on the bottom plate and a detection device arranged on the supporting frame in a sliding manner, the supporting roller comprises a rotating shaft and a plurality of supporting rods arranged in the circumferential direction of the rotating shaft, the supporting rods are distributed in rows along the length direction of the rotating shaft, the angle between two adjacent rows of the supporting rods is 90 degrees, an installation cavity is formed between the two adjacent rows of the supporting rods, the conveying mechanism conveys the steel pipe into the installation cavity, the axis position of the rotating shaft and the axis of the three-jaw chucks are positioned in the same plane perpendicular to the bottom plate, and the axis position of the rotating shaft and the axis of the three-jaw chucks are parallel to the bottom plate, the three-jaw chuck at the two ends of the bottom plate moves relatively and is used for clamping the steel pipe in the installation cavity, the detection device is used for detecting the clamped steel pipe, and the sliding direction of the detection device is parallel to the length direction of the steel pipe. The axis position of pivot with the axis of three-jaw chuck is located same perpendicular to in the plane of bottom plate, just the axis position of pivot with the axis of three-jaw chuck all is on a parallel with the bottom plate, the axis direction of pivot is parallel with the length direction of steel pipe with the axis direction of three-jaw chuck, the support roller bearing is formed by a plurality of bracing pieces and pivot, and a plurality of bracing pieces are distributed in rows along pivot length direction, and the angle is 90 degrees between two adjacent rows of bracing pieces, adjacent two rows the bracing piece forms the installation cavity, has four installation cavities on one support roller bearing promptly. The pivot rotates to detection mechanism direction ceaselessly, and conveying mechanism carries the steel pipe in the installation cavity on the supporting roller bearing, then the pivot rotates, rotates the steel pipe the top of pivot, and the next installation cavity has aimed at conveying mechanism this moment, waits for conveying mechanism to transport the steel pipe in the installation cavity. Then the three-jaw chucks on the two sides of the bottom plate fix the two ends of the steel pipe, the detection mechanism starts to detect the straightness and the like of the steel pipe, and the detected steel pipe is conveyed to the screening mechanism for sorting.
Further, the bottom plate both ends are equipped with fixed chamber respectively, fixed intracavity all rotates there is the lead screw, all be equipped with on the lead screw with the nut that screw drive connects, the nut with three-jaw chuck fixed connection, fixed intracavity still fixedly is equipped with the guide post, the guide post with lead screw parallel arrangement, the nut slides and sets up on the guide post, still including the drive lead screw pivoted servo motor and drive three-jaw chuck pivoted motor two. The second motor is fixed on the nut and moves along with the nut. The servo motor drives the screw rod to rotate, the nut passes through the guide post, the nut cannot rotate along with the screw rod, the screw rod drives the nut to only do linear motion, and the nut relative motion at the two ends of the bottom enables the three-jaw chuck relative motion on the nut to fix the steel pipe, the three-jaw chuck stretches into the inner wall of the steel pipe, the sliding block on the three-jaw chuck is spread, and the steel pipe is fixed to be attached to the inner wall of the steel pipe. Then the second motor drives the three-jaw chuck to rotate, so that the detection mechanism can detect the roundness, the surface roughness and the like of the steel pipe.
Preferably, the detection device is a laser sensor, a photoelectric sensor is fixedly arranged on the nut, and the laser sensor and the photoelectric sensor are in signal connection with the servo motor, the second motor, the screening mechanism and the lifting platform through a controller. In order to better perform fixed detection on the steel pipe, the laser sensor can detect the diameter of the steel pipe, the photoelectric sensor on the nut can detect the length of the steel pipe, the total length of the bottom plate can be measured, then the distances from the two ends of the bottom plate to the nearest steel pipe are calculated through the photoelectric sensor, and the distance calculated by subtracting the photoelectric sensor from the total length is the length of the steel pipe. After the laser sensor and the photoelectric sensor detect the diameter and the length of the steel pipe, the position of the steel pipe can be calculated, the laser sensor and the photoelectric sensor control the servo motor and the lifting platform to move, so that the height of the supporting roller and the distance between the two three-jaw chucks are controlled, the steel pipe is finally fixed, and the steel pipe is fixed more automatically. When the detection is carried out, the laser sensor controls the second motor, so that the second motor drives the three-jaw chuck to rotate, the three-jaw chuck drives the steel pipe to rotate, and the laser sensor slides on the support frame to detect all parts of the steel pipe.
Furthermore, the detection device is a linear array camera, and the linear array camera is in signal connection with the servo motor, the motor II, the screening mechanism and the lifting platform through a controller. After the steel pipe arrives on the supporting roller, the linear array camera is started to collect the surface of the steel pipe, the diameter and the length of the steel pipe are determined after image processing, and then the linear array camera controls the lifting platform to lift and the three-jaw chuck to move, so that the steel pipe is fixed. When detection is carried out, the second motor drives the three-jaw chuck to rotate, so that the three-jaw chuck drives the steel pipe to rotate, and the linear array camera acquires the surface data of the steel pipe to carry out detection and analysis.
Preferably, a lifting cylinder is fixed on the bottom plate, a piston of the lifting cylinder is fixedly connected with the lifting table, and the lifting cylinder drives the lifting table to move up and down. In order to improve the lifting stability, guide pillars are arranged around the lifting platform, the lifting platform is arranged on the guide pillars in a sliding mode, and meanwhile the lifting platform is driven to move up and down through a piston of the lifting cylinder.
Further, screening mechanism includes the box and rotates the setting and is in sorting plate on the box, be equipped with the baffle in the middle of the box, the baffle will the box evenly separated is waste product case and qualified case, the width of sorting plate with the width of qualified case is unanimous, the sorting plate rotates to be set up on the baffle, and be used for with what detection mechanism detected to accomplish the steel pipe is categorised and is put into corresponding waste product case or qualified incasement. The sorting plate is connected with the supporting roller of the detection mechanism, when the steel pipe is detected, the supporting roller rotates, the steel pipe falls into the box body due to dead weight, the sorting plate sorts the steel pipe, when the steel pipe needs to fall into the box body close to the detection mechanism, the sorting plate rotates towards the box body far away from the detection mechanism, so that the steel pipe directly falls into the box body close to the detection mechanism from the supporting roller, if the steel pipe needs to fall into the box body far away from the detection mechanism, the sorting plate rotates towards the box body close to the detection mechanism, namely the sorting plate covers the box body close to the detection mechanism (since the width of the sorting plate is consistent with that of the qualified box, the sizes of the qualified box and the waste box are consistent, when the sorting plate covers the box body close to the detection mechanism, the steel pipe cannot fall into the box body close to the detection mechanism), at the moment, the sorting plate is connected with the supporting, and then from the sorting plate to a housing remote from the detection mechanism.
Preferably, the reject bin is located adjacent to the detection mechanism.
Has the advantages that: the utility model discloses can be used for the detection of various tubulose products, not only confine the product that this equipment detected to, the rate of accuracy that this equipment detected is high, and is fast, convenient and fast.
Detailed Description
Example one
As shown in fig. 1, a cold-rolled seamless steel tube device for rapid positioning detection and sorting comprises a conveying mechanism, a detection mechanism and a screening mechanism; the steel pipe to be detected is conveyed to the detection mechanism by the conveying mechanism, the steel pipe is fixed by the detection mechanism and is detected, and the steel pipe which is detected is sorted by the screening mechanism.
As shown in fig. 2, the conveying mechanism includes a support 1, a conveyor belt 2 rotatably disposed on the support 1, and a motor i 4 for driving the conveyor belt 2 to move toward the detection mechanism, a plurality of separation strips 3 are uniformly disposed on the surface of the conveyor belt 2, the steel pipe is located between two adjacent separation strips 3, a plurality of rotating shafts 5 are rotatably disposed on the support 1, the rotating shafts 5 are in transmission connection with the motor i 4, the rotating direction of the rotating shafts 5 is the same as the moving direction of the conveyor belt 2, and the conveyor belt 2 is disposed on the support 1 through the rotating shafts 5.
As shown in fig. 3, the detecting mechanism includes a bottom plate 6, three-jaw chucks 10 slidably disposed at two ends of the bottom plate 6, a lifting platform 13 disposed on the bottom plate 6, supporting rollers 14 rotatably disposed on the lifting platform 13, a supporting frame 16 disposed on the bottom plate 6, and a detecting device 17 slidably disposed on the supporting frame 16, as shown in fig. 5, the supporting rollers 14 include a rotating shaft 24 and a plurality of supporting rods 25 disposed on a circumferential direction of the rotating shaft 24, the plurality of supporting rods 25 are distributed in rows along a length direction of the rotating shaft 24, an angle between two adjacent rows of the supporting rods 25 is 90 °, an installation cavity 26 is formed between two adjacent rows of the supporting rods 25, the conveying mechanism conveys the steel pipe into the installation cavity 26, an axial position of the rotating shaft 24 and an axial position of the three-jaw chucks 10 are located in a same plane perpendicular to the bottom plate 6, the axis position of the rotating shaft 24 and the axis of the three-jaw chuck 10 are parallel to the bottom plate 6, the three-jaw chucks 10 at the two ends of the bottom plate 6 move relatively and are used for clamping the steel pipe in the installation cavity 26, the detection device 17 is used for detecting the clamped steel pipe, and the sliding direction of the detection device 17 is parallel to the length direction of the steel pipe. In this embodiment, the detection mechanism is slidably disposed on the support frame 16 through the structure of the screw 8 and the nut 9.
The utility model discloses a three-jaw chuck, including bottom plate 6, bottom plate, nut 9, three-jaw chuck 10, guide post 7, base plate 6 both ends are equipped with fixed chamber 18 respectively, it has lead screw 8 all to rotate in the fixed chamber 18, all be equipped with on the lead screw 8 with nut 9 that the transmission of lead screw 8 is connected, nut 9 with three-jaw chuck 10 fixed connection, it is fixed to be equipped with in the fixed chamber 18 still, guide post 7 with lead screw 8 parallel arrangement, nut 9 slides and sets up on the guide post 7, still including the drive 8 pivoted servo motor 15 of lead screw and drive three-jaw chuck 10 pivoted motor two 11. A lifting cylinder 27 is fixed on the bottom plate 6, a piston of the lifting cylinder 27 is fixedly connected with the lifting platform 13, and the lifting cylinder 27 drives the lifting platform 13 to move up and down.
The detection device 17 is a laser sensor, a photoelectric sensor 12 is fixedly arranged on the nut 9, and the laser sensor and the photoelectric sensor 12 are connected with the servo motor 15, the motor II 11, the screening mechanism and the lifting air pipe through signals. The laser sensor can detect the diameter of the steel pipe, the photoelectric sensor 12 on the nut 9 can detect the length of the steel pipe, the total length of the bottom plate 6 can be measured, then the distances from two ends of the bottom plate 6 to the nearest steel pipe are calculated through the photoelectric sensor 12, and the distance calculated by subtracting the photoelectric sensor 12 from the total length is the length of the steel pipe. After the laser sensor and the photoelectric sensor 12 detect the diameter and the length of the steel pipe, the position of the steel pipe can be calculated, the laser sensor and the photoelectric sensor 12 control the servo motor 15 and the lifting platform 13 to move, so that the height of the supporting roller 14 and the distance between the two three-jaw chucks 10 are controlled, the steel pipe is finally fixed, and the steel pipe is fixed more automatically. When the detection is carried out, the laser sensor controls the second motor 11, so that the second motor 11 drives the three-jaw chuck 10 to rotate, the three-jaw chuck 10 drives the steel pipe to rotate, and the laser sensor slides on the support frame 16 to detect all parts of the steel pipe.
As shown in fig. 4, the screening mechanism includes a box 19 and a sorting plate 20 rotatably disposed on the box 19, a partition 21 is disposed in the middle of the box 19, the partition 21 uniformly divides the box 19 into a waste box 22 and a qualified box 23, the width of the sorting plate 20 is the same as the width of the qualified box 23, the sorting plate 20 is rotatably disposed on the partition 21 and is used for classifying the steel pipes detected by the detecting mechanism into the corresponding waste box 22 or qualified box 23, the waste box 22 is disposed close to the detecting mechanism, and in this embodiment, the qualified box 23 is disposed away from the detecting device 17. After the steel pipes are detected, the supporting rollers 14 rotate, the steel pipes roll down into the box body 19 due to self weight, the sorting plate 20 sorts the steel pipes, when the detection is unqualified, the sorting plate 20 rotates towards the qualified box 23, the waste box 22 is not shielded, the supporting rods on the supporting rollers 14 are aligned to the waste box 22, and the steel pipes directly fall into the waste box 22 from the supporting rollers 14; if the steel pipe is qualified, the sorting plate 20 rotates towards the waste box 22, namely the sorting plate 20 covers the waste box 22, the steel pipe cannot fall into the waste box 22, at the moment, the sorting plate 20 corresponds to the supporting roller 14, the sorting plate 20 is connected with the supporting rod 25 on the supporting roller 14, the steel pipe falls onto the sorting plate 20 from the mounting cavity 26 of the supporting roller 14, and then the steel pipe rolls from the sorting plate 20 into the qualified box 23.
The working principle is as follows: the steel pipe is placed on the conveying belt 2 of the conveying mechanism, the conveying belt 2 drives the steel pipe to be conveyed to the detection mechanism, the
installation cavity 26 of the supporting
roller 14 on the detection mechanism is aligned to the conveying belt 2, the steel pipe rolls from the conveying belt 2 to the supporting
roller 14, and the steel pipe is
supportedThe roller 14 is driven by the motor to rotate until the steel pipe is positioned at the uppermost end of the supporting
roller 14, then the laser sensor and the
photoelectric sensor 12 work, the laser sensor detects the diameter of the steel pipe, the reading on the laser sensor is B, and if the vertical distance between the axis of the supporting
roller 14 and the position of the laser sensor is M, the diameter of the steel pipe can be calculated to be
The
photoelectric sensor 12 detects the length of the steel pipe, the total length of the bottom plate 6 can be measured, then the distances from two ends of the bottom plate 6 to the nearest steel pipe are calculated through the
photoelectric sensor 12, and the distance calculated by the
photoelectric sensor 12 subtracted from the total length is the length of the steel pipe. At this time, the position of the steel pipe can be calculated, and since the axis of the
rotating shaft 24 on the supporting
roller 14 corresponds to the axis of the three-
jaw chuck 10, that is, is on the same plane perpendicular to the bottom plate 6, and the axis of the
rotating shaft 24 on the supporting
roller 14 is parallel to the axis of the three-
jaw chuck 10, only the horizontal position of the three-
jaw chuck 10 and the height position of the lifting table 13 need to be adjusted, and the lifting table 13 and the three-
jaw chuck 10 are matched to fix the steel pipe. Because the steel pipe is tangent to the
support rods 25 on the
support rollers 14, and the angle between the two
support rods 25 is 90 degrees, the distance from the center of the steel pipe to the lifting table 13 can be calculated, the lifting
cylinder 27 is controlled, the lifting
cylinder 27 lifts the lifting table 13, the height of the lifting table 13 is controlled, the axis of the steel pipe on the
support rollers 14 on the lifting table 13 is aligned to the axis of the three-
jaw chuck 10, the positioning in the height direction is completed, the
servo motor 15 rotates to drive the screw rod 8 to rotate, so that the
nut 9 drives the three-
jaw chuck 10 to move relatively, the three-
jaw chuck 10 extends into the steel pipe, the sliding block on the three-
jaw chuck 10 slides to support the inner wall of the steel pipe, and the positioning in the horizontal direction is completed.
Then the second motor 11 starts to rotate, the second motor 11 drives the three-jaw chuck 10 to rotate, the laser sensor slides on the support frame 16 to detect all parts of the steel pipe, after the steel pipe is detected, the three-jaw chuck 10 retreats and resets, the laser sensor controls the motor to drive the supporting roller 14 to rotate through the controller, the steel pipe falls into the box body 19 through self-weight, the sorting plate 20 sorts the steel pipe, when the detection result is waste, the sorting plate 20 rotates to the qualified box 23, so that the steel pipe directly falls into the waste box 22 from the supporting roller 14, if the detection result is qualified, the sorting plate 20 rotates to the waste box 22 under the driving of the motor, namely the sorting plate 20 covers the waste box 22, at the moment, the sorting plate 20 corresponds to the position of the supporting roller 14, the steel pipe falls to the sorting plate 20 from the supporting roller 14, and then rolls from the sorting plate 20 to the qualified box 23.
Example two
The difference from the above embodiment is that: the detection device 17 is a linear array camera, and the linear array camera is in signal connection with the servo motor 15, the motor II 11, the screening mechanism and the lifting platform 13 through a controller. After the steel pipe reaches the supporting roller 14, the linear array camera is started to collect the surface of the steel pipe, the diameter and the length of the steel pipe are determined after image processing, and then the linear array camera controls the lifting platform 13 to lift and the three-jaw chuck 10 to move so as to fix the steel pipe. When detection is carried out, the second motor 11 drives the three-jaw chuck 10 to rotate, so that the three-jaw chuck 10 drives the steel pipe to rotate, the linear array camera collects the surface data of the steel pipe to carry out detection and analysis, and after the detection is finished, the screening mechanism carries out classification collection on the steel pipe.