CN210834773U

CN210834773U - Quick flaw detection device for workpiece

Info

Publication number: CN210834773U
Application number: CN201921287305.XU
Authority: CN
Inventors: 钱浩淼
Original assignee: Wuxi Xixi Die Forging Co ltd
Current assignee: Wuxi Xixi Die Forging Co ltd
Priority date: 2019-08-09
Filing date: 2019-08-09
Publication date: 2020-06-23
Anticipated expiration: 2029-08-09

Abstract

The utility model discloses a rapid flaw detection device for workpieces, which comprises a linear displacement module, a lifting mechanism, a detection probe, a rotary driving mechanism and an oil groove, wherein the linear displacement module is horizontally arranged, the reciprocating displacement direction of the linear displacement module is the same as the length direction of the workpiece to be measured, the lifting mechanism is arranged at the driven end of the linear displacement module, the detection probe is arranged at the driven end of the lifting mechanism, the rotary driving mechanism is arranged below the detection probe at intervals, the rotary driving mechanism supports and drives the workpiece to be measured to rotate, the direction of the rotating axis is the same as the moving direction of the linear displacement module, the oil groove is arranged corresponding to a workpiece to be detected, the rotary driving mechanism drives the workpiece to be detected to rotate and adhere oil in the oil groove, the workpiece can be rapidly detected, and abrasion of the detection probe is reduced.

Description

Quick flaw detection device for workpiece

Technical Field

The utility model belongs to the detection area of detecting a flaw, in particular to quick flaw detection device of work piece.

Background

The ultrasonic flaw detection method for steel pipe generally adopts direct contact method to detect flaw, and contact method steel pipe is detected flaw, must grind the probe into the circular arc the same as curved surface of steel pipe at first, place the probe on the surface of steel pipe when detecting flaw, scribble machine oil as couplant between steel pipe and probe, move the general hand-operated steel pipe of probe while moving, look for the defect, position the defect in the steel pipe, because the contact method is detected flaw, probe and steel pipe need direct contact, the probe is extremely apt to abrade, cause the probe refraction angle change, detect a flaw the displacement is inaccurate, but it is time-consuming and laborious to scribble machine oil when detecting a flaw, labour intensity is big, the inefficiency.

Disclosure of Invention

The purpose of the invention is as follows: in order to overcome the not enough of existence among the prior art, the utility model provides a quick flaw detection device of work piece can be quick detect a flaw to the work piece.

The technical scheme is as follows: in order to achieve the above purpose, the technical scheme of the utility model is as follows:

the utility model provides a quick flaw detection device of work piece, includes linear displacement module, elevating system, test probe, rotary driving mechanism and oil groove, linear displacement module level sets up, just the reciprocal displacement direction of linear displacement module is the same with the work piece length direction that awaits measuring, elevating system sets up at the linear displacement module by the drive end, test probe sets up at elevating system by the drive end, the rotary driving mechanism interval sets up in test probe's below, just rotary driving mechanism supports and drives the work piece that awaits measuring and rotates, and the axis of rotation direction is the same with linear displacement module moving direction, the oil groove sets up corresponding to the work piece that awaits measuring, the work piece that the rotary driving mechanism drive awaits measuring rotates and the oil in the adhesion oil groove.

Further, the rotary driving mechanism comprises two sets of rotating rollers arranged at a parallel interval, the end part of at least one of the rotating rollers is provided with a driving mechanism, the axis of the rotating roller is parallel to a workpiece to be measured, and the workpiece support frame to be measured is arranged between the two sets of rotating rollers.

Furthermore, the oil grooves are of groove-shaped structures with open top ends, the two rotating rollers are respectively and correspondingly arranged in the two oil grooves, the two ends of each rotating roller rotate at the two ends of the length direction of the oil grooves, and at least one oil groove is filled with liquid oil capable of infiltrating the rotating rollers; and the liquid oil is smeared on the outer wall of the workpiece to be measured through the rotating roller in a rotating state.

Furthermore, the outer wall surface of the roller comprises an oil absorption layer.

Furthermore, at least one oil groove is provided with a limiting mechanism, and the limiting mechanism limits the displacement of the workpiece to be measured in the axial direction.

Further, stop gear includes two sets of limiting plates that set up along oil groove length direction interval, and two sets of limiting plates pass through the slip adjustment structure and set up on the oil groove, the limiting plate is located and changes the roller directly over, and two sets of limiting plates are in the both ends of the work piece that awaits measuring respectively in the clearance.

Further, adjustment mechanism includes guide rail and lock annex, and two guide rails set up respectively on the both sides wall of oil groove along oil groove length direction, the bottom of limiting plate slides and sets up on the guide rail, the lock annex sets up on the limiting plate, just the limiting plate passes through lock annex lock and attaches on the oil groove.

Has the advantages that: the utility model discloses a linear displacement module and elevating system carry out the ascending displacement of horizontal direction and vertical side to test probe, contact the steel pipe surface and slide and detect a flaw to the steel pipe full length on the horizontal direction through test probe, and carry out rotary drive around the axis to the steel pipe through rotary drive mechanism, make test probe can be more comprehensive detect a flaw to the steel pipe everywhere, and in the pivoted, carry out the fat liquoring operation to the steel pipe lateral surface through the oil groove, can reduce test probe and steel pipe surperficial friction, when protecting workpiece surface, also reduce the wearing and tearing to test probe.

Drawings

FIG. 1 is a front view of the overall structure of the present invention;

FIG. 2 is a side view of the overall structure of the present invention;

FIG. 3 is a perspective view of the overall structure of the present invention;

fig. 4 is the structure diagram of the rotary driving mechanism and the oil groove of the present invention.

Detailed Description

The present invention will be further described with reference to the accompanying drawings.

As shown in fig. 1 to fig. 3, a fast flaw detection device for a workpiece comprises a linear displacement module 1, a lifting mechanism 2, a detection probe 4, a rotary driving mechanism 6 and an oil tank 7, wherein the linear displacement module 1 is horizontally arranged, the reciprocating displacement direction of the linear displacement module 1 is the same as the length direction of a workpiece 5 to be detected, the lifting mechanism 2 is arranged at the driven end of the linear displacement module 1, the detection probe 4 is arranged at the driven end of the lifting mechanism 2 through a supporting bracket 3, an ultrasonic flaw detector 15 is also arranged on the supporting bracket 3,

make the test probe contact or keep away from in the steel pipe surface through lifting operation, 6 intervals of rotary drive mechanism set up in the below of test probe 4, just rotary drive mechanism 6 supports and drives workpiece 5 that awaits measuring and rotates, and the axis of rotation direction is the same with the 1 moving direction of linear displacement module, also the steel pipe level erects on rotary drive mechanism, and rotates through 6 axes of rotary drive mechanism to make test probe 4 can detect a flaw everywhere to the steel pipe more comprehensively, oil groove 7 corresponds the rotatory profile of workpiece 5 that awaits measuring and sets up, the workpiece that awaits measuring of rotary drive mechanism 6 drive rotates and the oil in direct or indirect adhesion oil groove 7. Carry out the ascending displacement of horizontal direction and vertical side through linear displacement module and elevating system to test probe, contact steel pipe surface and slide and detect a flaw to the steel pipe full length on the horizontal direction through test probe, and carry out rotary drive to the steel pipe around the axis through rotary drive mechanism, make test probe can be more comprehensive detect a flaw everywhere to the steel pipe, and in the pivoted, carry out the fat liquoring operation to the steel pipe lateral surface through the oil groove, can reduce test probe and steel pipe surperficial friction, when protecting workpiece surface, also reduce the wearing and tearing to test probe.

The rotary driving mechanism 6 comprises two sets of parallel rollers 10 arranged at intervals, the end part of at least one of the rollers 10 is provided with a driving mechanism 11, the axis of the roller 10 is parallel to a workpiece to be tested, the support frame of the workpiece to be tested 5 is arranged between the two sets of rollers 10, and the two sets of rollers 10 are supported and driven to rotate through two steel pipes.

Wherein, the direct mode of smearing the grease is as follows: oil groove 7 sets up under supporting workpiece 5 that awaits measuring on rotary drive mechanism, it is also that oil groove 7 is located two and changes between the roller 10, and workpiece 5's that awaits measuring bottom stretches into in the oil groove, and the oil in the direct contact oil groove, then at the rotation drive mechanism 6 drive workpiece 5 that awaits measuring rotation, also when the steel pipe rotates, rotatory steel pipe outer contour face loops through the oil groove and the liquid oil of adhesion, so that there is lubricating oil film between 4 and the steel pipe of test probe, in order to reduce the wearing and tearing to test probe 4, and simultaneously, its automatic fat liquoring operation to the steel pipe, can alleviate workman intensity of labour, promote detection efficiency by a wide margin.

Wherein, the indirect mode of smearing the grease is as follows: as shown in fig. 4, the oil grooves 7 are of a groove-shaped structure with an open top end, the two rotating rollers 10 are respectively and correspondingly arranged in the two oil grooves 7, two ends of each rotating roller 10 rotate at two ends of the oil groove 7 in the length direction, and at least one oil groove 7 is filled with liquid oil capable of infiltrating the rotating rollers 10; one of them changes the roller and rotates, can drive the steel pipe and rotate, then the indirect another roller that changes that drives rotates, then changes the grease that the roller contacted in the oil groove to on rotating the indirect work piece of paining of in-process, liquid oil scribbles to the outer wall of work piece 5 that awaits measuring through commentaries on classics roller 10 under the rotation state. This mode can avoid too much grease adhesion at the steel pipe surface, saves the grease, also can prevent that the grease from dripping everywhere, simultaneously, after detecting a flaw, can effectually prevent the oxidation on steel pipe surface to the fat liquoring on workpiece surface to can be further protect the steel pipe. The outer wall of the roller 10 includes an oil absorption layer, such as a sponge sleeve, to increase the friction between the roller 1 and the steel pipe, and at the same time, to absorb grease.

At least one be provided with stop gear on the oil groove 7, stop gear restriction workpiece 5 that awaits measuring is at the ascending displacement of axial direction, when the steel pipe rotates, can effectually prevent the work piece at the ascending drunkenness of length direction, guarantees the accuracy of detection, stop gear includes two sets of limiting plates 12 that set up along oil groove length direction interval, limiting plate 12 roughly is h type structure, and its two bottoms are corresponding to the both sides wall setting of oil groove 7, also the limiting plate 12 spanes the setting in oil groove 7 top, contains on the limiting plate 12 and keeps away sky portion 13, and the roller 10 is through keeping away sky portion, and two sets of limiting plates 12 slide along oil groove length direction through the slip regulation structure and set up on oil groove 7 to the interval of two limiting plates of length adjustment according to the work piece. The limiting plates 12 are located right above the rotating roller 10, and the two groups of limiting plates 12 are respectively arranged at two ends of the workpiece 5 to be measured in a clearance mode, so that the normal rotation of the workpiece 5 to be measured is guaranteed.

Adjustment mechanism includes guide rail 13 and lock annex 14, and two guide rails 13 set up respectively on the both sides wall of oil groove 7 along oil groove length direction, the bottom of limiting plate 12 is slided and is set up on guide rail 13, just two bottoms of limiting plate 12 all correspond and have seted up spout 20, the lock annex sets up on limiting plate 12, lock annex 14 is the bolt, just limiting plate 12 attaches on the oil groove through the lock annex 14 lock, through adjusting lock annex 14 in order to adjust the elasticity of limiting plate 12 on oil groove 7.

The above description is only a preferred embodiment of the present invention, and it should be noted that: for those skilled in the art, without departing from the principle of the present invention, several improvements and modifications can be made, and these improvements and modifications should also be considered as the protection scope of the present invention.

Claims

1. The utility model provides a quick detection device of work piece which characterized in that: comprises a linear displacement module (1), a lifting mechanism (2), a detection probe (4), a rotary driving mechanism (6) and an oil groove (7), wherein the linear displacement module (1) is horizontally arranged, the reciprocating displacement direction of the linear displacement module (1) is the same as the length direction of the workpiece (5) to be measured, the lifting mechanism (2) is arranged at the driven end of the linear displacement module (1), the detection probe (4) is arranged at the driven end of the lifting mechanism (2), the rotary driving mechanism (6) is arranged below the detection probe (4) at a certain interval, and the rotary driving mechanism (6) supports and drives the workpiece (5) to be measured to rotate, the direction of the rotation axis is the same as the moving direction of the linear displacement module (1), the oil groove (7) is arranged corresponding to the workpiece (5) to be measured, the rotary driving mechanism (6) drives the workpiece to be detected to rotate and adhere oil in the oil groove (7).

2. The apparatus for rapid flaw detection of a workpiece according to claim 1, wherein: the rotary driving mechanism (6) comprises two sets of rotating rollers (10) arranged at a parallel interval, the end part of at least one of the rotating rollers (10) is provided with a driving mechanism (11), the axis of the rotating roller (10) is parallel to a workpiece to be tested, and the workpiece to be tested (5) is supported between the two sets of rotating rollers (10).

3. The apparatus for rapid flaw detection of a workpiece according to claim 2, wherein: the oil grooves (7) are of groove-shaped structures with open top ends, the two rotary rollers (10) are respectively and correspondingly arranged in the two oil grooves (7), two ends of each rotary roller (10) rotate at two ends of the oil grooves (7) in the length direction, and at least one oil groove (7) is filled with liquid oil capable of infiltrating the rotary rollers (10); the liquid oil is smeared on the outer wall of the workpiece (5) to be measured through the rotating roller (10) in a rotating state.

4. A rapid flaw detection apparatus for a workpiece according to claim 3, wherein: the outer wall surface of the roller (10) comprises an oil absorption layer.

5. A rapid flaw detection apparatus for a workpiece according to claim 3, wherein: and at least one oil groove (7) is provided with a limiting mechanism which limits the displacement of the workpiece (5) to be measured in the axial direction.

6. The apparatus for rapid flaw detection of a workpiece according to claim 5, wherein: stop gear includes two sets of limiting plate (12) that set up along oil groove length direction interval, and two sets of limiting plate (12) adjust the structure through sliding and set up on oil groove (7), limiting plate (12) are located and change roller (10) directly over, and two sets of limiting plate (12) are in the both ends of work piece (5) that awaits measuring respectively in the clearance.

7. The apparatus for rapid flaw detection of a workpiece according to claim 6, wherein: the slide adjusting structure comprises guide rails (13) and locking accessories (14), the two guide rails (13) are respectively arranged on two side walls of the oil groove (7) along the length direction of the oil groove, the bottom end of the limiting plate (12) is arranged on the guide rails (13) in a sliding mode, the locking accessories are arranged on the limiting plate (12), and the limiting plate (12) is locked on the oil groove through the locking accessories (14).