CN217332307U

CN217332307U - Ultrasonic flaw detection device for bar

Info

Publication number: CN217332307U
Application number: CN202221102795.3U
Authority: CN
Inventors: 江立新; 王双元
Original assignee: Xi'an Worldlink Automation Technology Co ltd
Current assignee: Xi'an Worldlink Automation Technology Co ltd
Priority date: 2022-05-09
Filing date: 2022-05-09
Publication date: 2022-08-30
Anticipated expiration: 2032-05-09

Abstract

The application provides a bar ultrasonic flaw detection device which comprises a feeding frame, a feeding mechanism, a supporting frame, a discharging mechanism, a clamping mechanism and a floating mechanism, wherein the feeding frame, the feeding mechanism, the supporting frame, the discharging mechanism, the clamping mechanism and the floating mechanism are arranged in a water tank; the feeding mechanism is connected with the feeding frame and used for transferring the bars from the feeding frame to the supporting frame, and the discharging mechanism is used for transferring the bars from the supporting frame to the discharging frame; the clamping mechanism is arranged at one end of the support frame, and the floating mechanism is arranged at the other end of the support frame; the clamping mechanism is used for clamping the bar and driving the bar to rotate on the supporting frame, and the floating mechanism is used for driving the ultrasonic probe to float on the bar, so that the water distance between the ultrasonic probe and the bar is kept consistent. Through the radial rotation of the bar and the axial movement of the probe under the mechanical control, the problems of missing detection, low efficiency, high cost and complex operation of full-automatic bar ultrasonic flaw detection equipment in manual bar ultrasonic flaw detection are solved.

Description

Ultrasonic flaw detection device for bar

Technical Field

The application relates to the technical field of ultrasonic nondestructive testing equipment, in particular to an ultrasonic flaw detection device for bars.

Background

The ultrasonic nondestructive detection technology is one of nondestructive detection methods in industry, and mainly utilizes the ultrasonic reflection principle to detect the position and the size of a defect in a workpiece. When the bar is subjected to ultrasonic detection, the flaw detection probe is required to realize the complete covering detection of the surface of the bar so as to ensure that all positions of the bar are subjected to ultrasonic detection.

The current commonly used flaw detection methods include automatic equipment flaw detection and manual flaw detection.

The automatic flaw detection equipment comprises bar rotation and probe rotation, wherein the bar rotation method comprises the steps of enabling bars to be fed in a rotating mode through a device and enabling the bars to be detected by an ultrasonic flaw detection device filled with water as a coupling agent, the probe rotation is that the probe device filled with the water coupling agent rotates, and the bars are fed in a straight line to achieve flaw detection. The two types of flaw detection equipment have high flaw detection precision and high efficiency, but the equipment purchasing cost is higher, and the adaptive specification range is narrower.

In the process of flaw detection of the artificial bars, the bars need to be placed into a water pool, the bars need to be continuously rotated, and the probe is moved by hand on the surfaces of the bars along the circumferential direction. The probe is moved manually by experience, so that the possibility that partial area is not detected is existed, the working intensity is high, and the efficiency is low.

SUMMERY OF THE UTILITY MODEL

The application provides a bar ultrasonic flaw detection device, through the radial rotation of mechanical control bar and probe axial displacement, solved the artifical bar ultrasonic flaw detection that carries out leak detection, the problem of inefficiency and the high, complicated problem of operation of full-automatic bar ultrasonic flaw detection equipment expense.

The technical scheme adopted by the application for solving the technical problems is as follows:

the embodiment of the application provides an ultrasonic bar flaw detection device which comprises a feeding frame, a feeding mechanism, a supporting frame, a discharging mechanism, a clamping mechanism and a floating mechanism, wherein the feeding frame, the feeding mechanism, the supporting frame, the discharging mechanism, the clamping mechanism and the floating mechanism are arranged in a water tank;

the water tank is internally provided with a reference frame, the feeding frame is arranged at the top of the reference frame, the feeding frame is connected with the discharging frame through the support frame, the feeding mechanism is connected with the feeding frame and used for transferring the bars from the feeding frame to the support frame, and the discharging mechanism is used for transferring the bars from the support frame to the discharging frame;

the clamping mechanism is arranged at one end of the support frame, and the floating mechanism is arranged at the other end of the support frame;

the clamping mechanism is used for clamping the bar and driving the bar to rotate on the supporting frame, and the floating mechanism is used for driving the ultrasonic probe to float on the bar, so that the water distance between the ultrasonic probe and the bar is kept consistent.

Optionally, the supporting part of the feeding frame is a structure in which a protection layer is sleeved outside a circular tube, so that the bar moves along with the circular tube at the top of the feeding frame, and the bar moves to the supporting frame;

both ends of the round pipe outer sleeve protective layer structure are provided with striker plates.

Optionally, the feeding mechanism is arranged at the bottom of the reference frame inside the water tank and is welded and fixed with the reference frame through a fixing seat, the top of the fixing seat is hinged to a feeding plate on the feeding frame, a protective layer cushion block is arranged at the top of the feeding plate, the protective layer cushion block is provided with an inclination, and the feeding mechanism drives the feeding mechanism to transmit power through a cylinder arranged at the tail end of the outer side of the water tank as a power source and a steel rope.

Optionally, the support frame is welded at the center of the reference frame, support plates in the support frame are arranged in a center of the water tank in a segmented manner, and support wheels with different diameters are arranged at the top of the support plates and used for placing bars compatible with different specifications.

Optionally, the supporting wheel is an encapsulated bearing coated with a polyurethane layer material and used for protecting the bar, and a stainless steel bearing is mounted inside the supporting wheel.

Optionally, a fixing frame of the clamping mechanism is mounted on the reference frame and is mounted at the head end in the water tank, a lifting sliding table is mounted on the fixing frame, and a bearing seat, a servo motor, a rotating head and a clamping cylinder are mounted on the lifting sliding table;

the bearing frame is fixed be used for supporting the rotation axis on the lift slip table, rotation axis one end is furnished with the rotating head, and the other end is furnished with the centre gripping cylinder, the centre gripping cylinder corresponds with rod material loading position center of rotation, servo motor passes through the hold-in range right the rotation axis transmission power, fixture is used for pressing from both sides tight rod and drives the rod rotation, and is used for putting along with the different adjustment center of rotation of rod diameter.

Optionally, the floating mechanism is installed on the long-stroke sliding table at the top of the water tank, and the long-stroke sliding table moves along the axial direction of the rod synchronously.

Optionally, the floating mechanism device is installed on a sliding table cantilever of the long-stroke sliding table, the lifting cylinder is installed at the top of the floating mechanism device, the sliding rail is installed at the bottom of the floating mechanism device and floats in the radial direction, the probe fixing plate and the ultrasonic probe are installed at the bottom of the sliding rail, and the ultrasonic probe is installed on the sliding table used for rotation and distance adjustment.

The technical scheme provided by the application comprises the following beneficial technical effects:

the application provides a bar ultrasonic flaw detection device which comprises a feeding frame, a feeding mechanism, a supporting frame, a discharging mechanism, a clamping mechanism and a floating mechanism, wherein the feeding frame, the feeding mechanism, the supporting frame, the discharging mechanism, the clamping mechanism and the floating mechanism are arranged in a water tank; the feeding mechanism is connected with the feeding frame and used for transferring the bars from the feeding frame to the supporting frame, and the discharging mechanism is used for transferring the bars from the supporting frame to the discharging frame; the clamping mechanism is arranged at one end of the support frame, and the floating mechanism is arranged at the other end of the support frame; the clamping mechanism is used for clamping the bar and driving the bar to rotate on the supporting frame, and the floating mechanism is used for driving the ultrasonic probe to float on the bar, so that the water distance between the ultrasonic probe and the bar is kept consistent. The device mechanically controls the radial rotation of the bar and the axial movement of the probe, and solves the problems of missing detection and low efficiency of manual bar ultrasonic flaw detection and the problems of high cost and complex operation of full-automatic bar ultrasonic flaw detection equipment.

Drawings

In order to more clearly explain the technical solution of the present application, the drawings needed to be used in the embodiments are briefly described below, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

FIG. 1 is a front view of a bar ultrasonic testing apparatus according to an embodiment of the present application;

FIG. 2 is a top view of a bar ultrasonic testing apparatus provided in an embodiment of the present application;

FIG. 3 is a left side view of an ultrasonic testing apparatus for bars according to an embodiment of the present application;

FIG. 4 is an isometric view of an angle of a bar ultrasonic inspection device provided in an embodiment of the present application;

FIG. 5 is an isometric view of another angle of a bar ultrasonic inspection device provided in an embodiment of the present application;

FIG. 6 is a front view of an ultrasonic testing apparatus for bar materials according to an embodiment of the present disclosure;

fig. 7 is an isometric view of an ultrasonic flaw detection apparatus for a bar according to an embodiment of the present application.

The reference numbers: 1-loading a mounting plate; 2-supporting before feeding; 3-supporting after feeding; 4-feeding a bearing; 5, feeding round pipes; 6-feeding a circular tube protective layer; 7-a material baffle plate; 8-feeding an inductive switch bracket; 9-an inductive switch; 10-side retainer plate; 11-hinged holders; 12-a hinged plate; 13-feeding a protective layer; 14-steel cord; 15-cylinder fixing plate; 16-a cylinder; 17-supporting the mounting plate; 18-large support wheel vertical plate; 19 large supporting wheel bearings; 20-large support wheel axle; 21-large rubber coating wheel; 22-large rubber-covered wheel bearing; 23-small supporting wheel vertical plate; 24-small supporting wheel bearings; 25-small support wheel axle; 26-small bag rubber wheel; 27-small rubber-covered wheel bearings; 28-supporting the inductive switch bracket; 29-support inductive switch; 30-blanking mounting plate; 31-supporting before blanking; 32-supporting after blanking; 33-a blanking bearing; 34-blanking a circular tube; 35-blanking a circular tube protective layer; 36-hinged fixed seats; 37-blanking hinged plate; 38-blanking a protective layer; 39-steel cord; 40-cylinder fixing plate; 41-cylinder; 42-clamping the mounting plate; 43-clamping the fixing seat; 44-clamping the front mounting plate; 45-servo motor; 46-a speed reducer; 47-a coupling; a 48-T shaped bearing seat; 49-synchronous pulley; 50-synchronous belt; a 51-ucp bearing; 52-a rotating head; 53-rotation axis; 54-a trachea; 55-a clamping cylinder; 56-a clamping jaw; 57-long slipway support; 58-long stroke slipway; 59-cantilever support; 60-lifting cylinder; 61-a guide shaft; 62-a guide sleeve; 63-a slide rail; 64-a spring; 65-probe fixing frame; 66-a rotating table; 67-one way shaft slip; 68-an ultrasound probe; 69-Probe protective sheath.

Detailed Description

In order to make those skilled in the art better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application; it is to be understood that the embodiments described are only a few embodiments of the present application and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

The automatic bar ultrasonic flaw detection device aims at solving the problems of missed detection and low efficiency of manual bar ultrasonic flaw detection and the problems of high cost and complex operation of full-automatic bar ultrasonic flaw detection equipment. The embodiment of the application provides a bar ultrasonic inspection device, installs among the water tank, is used for bar rotation and probe removal in order to replace artifically respectively.

In the related technology, the traditional bar flaw detection adopts an artificial flaw detection scheme, the experience of flaw detection personnel is used for moving a probe head, the probe is manually held to slide on the surface of the bar, and the sliding track is uncontrollable, so that the risk of missed detection exists. The existing automatic flaw detection equipment adopts the supporting wheels to drive the bars to be selected and transferred, so that the problem of slipping exists, and the problems of high equipment cost and high requirement on the straightness of the bars exist due to the rotation of the probe.

The embodiment of the application provides a bar ultrasonic inspection device, the centre gripping rod is rotatory according to the uniform velocity, and the probe removes along the axis directly over the rod, makes the walking orbit of probe on rod surface be the thread form, can realize that the full coverage on rod surface detects, can not have the hourglass phenomenon of examining, contains last unloading mechanism and last work or material rest in the equipment, can realize automatic feeding, detect a flaw, the action of unloading, replaces artifical the detection of detecting a flaw.

The technical solutions in the present application are described below with specific examples.

Referring to fig. 1 to 5, an ultrasonic flaw detection apparatus for bars provided in an embodiment of the present application includes a feeding frame, a feeding mechanism, a supporting frame, a discharging mechanism, a clamping mechanism, and a floating mechanism, which are disposed in a water tank;

the feeding mechanism is connected with the feeding frame and used for transferring the bars from the feeding frame to the supporting frame, and the discharging mechanism is used for transferring the bars from the supporting frame to the discharging frame; the clamping mechanism is arranged at one end of the support frame, and the floating mechanism is arranged at the other end of the support frame; the clamping mechanism is used for clamping the bar and driving the bar to rotate on the supporting frame, and the floating mechanism is used for driving the ultrasonic probe to float on the bar, so that the water distance between the ultrasonic probe and the bar is kept consistent.

Specifically, the feeding frame is used for temporarily storing a bar to be detected, and the support frame is used for supporting the bar and is used as a flaw detection work station; the feeding mechanism is used for transferring the bars to the supporting frame from the feeding frame; the blanking mechanism is used for transferring the bar material from the support frame to the blanking frame; the clamping mechanism is used for clamping the bar and driving the bar to rotate; the floating mechanism is used for driving the ultrasonic probe to float on the bar material, and the water distance between the probe and the bar material is guaranteed to be unchanged. Go up the work or material rest and install in benchmark frame top, the supporting part is pipe overcoat protective layer structure, and the rod can be controlled along with the pipe in the top and move about, to its terminal surface, the front end is equipped with the striker plate, goes up the work or material rest the left side and is equipped with the striker plate.

The feeding frame has the same principle as the feeding frame. The feeding mechanism is installed inside the water tank, and is installed below the reference frame, and fixing base and reference frame welded fastening, the articulated flitch of going up in fixing base top, it is furnished with the protective layer cushion to go up the flitch top, and the protective layer cushion has the inclination, and whole material loading drive uses steel wire transmission power at water tank outside tail end, and the cylinder is as the power supply.

The blanking mechanism is the same as the feeding mechanism in structure principle, and the hinged plate of the blanking mechanism is lower.

The support frame welding is at the benchmark frame center, and at the center of water tank, the backup pad sectional type is arranged, and the top is furnished with big or small supporting wheel, can place the rod of compatible different specifications, and the supporting wheel is rubber coating bearing, wraps polyurethane layer protection rod, internally mounted stainless steel bearing.

Fixture's mount is installed on the benchmark frame, install the head end in the water tank, mount installation lift slip table, be equipped with the bearing frame on the slip table, servo motor, the rotating head, centre gripping cylinder etc. the bearing frame is fixed to be supported the rotation axis, the rotation axis rear is furnished with the rotating head, the front end is furnished with the centre gripping cylinder, the material level center of rotation corresponds on centre gripping cylinder and the rod, servo motor passes through the hold-in range and transmits power to the rotation axis, fixture can press from both sides tight rod and drive the rod rotatory, and can be along with the different adjustment center of rotation positions of rod diameter.

The floating mechanism is installed on the long-stroke sliding table and moves synchronously along the axial direction of the bar through the sliding table, the floating mechanism device is installed on a cantilever of the sliding table, the lifting cylinder is installed above the floating mechanism device, the sliding rail is installed below the floating mechanism device and floats radially, the probe fixing plate and the ultrasonic probe are installed below the sliding rail, and the probe is installed on the rotary sliding table and the distance adjusting sliding table.

In an implementation manner, fig. 6 and 7 are shown in a light meal, and the ultrasonic flaw detection device provided in the embodiment of the present application completes a flaw detection function by constituting the set of equipment with the following parts, which refer to fig. 6 and 7, and includes a feeding frame, a feeding mechanism, a support frame, a discharging mechanism, a clamping mechanism, a floating mechanism, and the like. Wherein, contain material loading mounting panel 1, material loading fore-stock 2, material loading after-stock 3, material loading bearing 4, material loading pipe 5, material loading pipe protective layer 6, striker plate 7, material loading inductive switch support 8, inductive switch 9, side striker plate 10 in the material loading frame. The feed mechanism contains articulated fixing base 11, articulated slab 12, material loading protective layer 13, steel cable 14, cylinder fixed plate 15, cylinder 16. The support frame comprises a support mounting plate 17, a large support wheel vertical plate 18, a large support wheel bearing 19, a large support wheel shaft 20, a large rubber covered wheel 21, a large rubber covered wheel bearing 22, a small support wheel vertical plate 23, a small support wheel bearing 24, a small support wheel shaft 25, a small rubber covered wheel 26, a small rubber covered wheel bearing 27, a support induction switch support 28 and a support induction switch 29. The blanking frame comprises a blanking mounting plate 30, a blanking front support 31, a blanking rear support 32, a blanking bearing 33, a blanking circular tube 34 and a blanking circular tube protective layer 35. The blanking mechanism comprises a hinge fixing seat 36, a blanking hinge plate 37, a blanking protective layer 38, a steel rope 39, a cylinder fixing plate 40 and a cylinder 41. The clamping mechanism comprises a clamping mounting plate 42, a clamping fixing seat 43, a clamping front mounting plate 44, a servo motor 45, a speed reducer 46, a coupling 47, a T-shaped bearing seat 48, a synchronous belt wheel 49, a synchronous belt 50, a ucp bearing 51, a rotating head 52, a rotating shaft 53, an air pipe 54, a clamping cylinder 55 and a clamping jaw 56. The floating mechanism comprises a long sliding table support 57, a long stroke sliding table 58, a cantilever support 59, a lifting cylinder 60, a guide shaft 61, a guide sleeve 62, a slide rail 63, a spring 64, a probe fixing frame 65, a rotating table 66, a one-way shaft sliding table 67, an ultrasonic probe 68 and a probe protective sleeve 69.

The above components are mounted according to the architectures of fig. 6 to 7.

Specifically, when flaw detection is performed, firstly, parameters are set in a controller provided with the bar ultrasonic flaw detection device, then bars are placed on an upper material rack, a controller starting device is used, a feeding mechanism automatically lifts one bar from the upper material rack, the bar is fed onto a support frame, a cylinder of a rotary clamping mechanism automatically controls clamping of the bars, a floating device moves to a flaw detection starting position from a part, the floating device descends to enable a probe to keep a water distance with the bars, the bars start to rotate, the floating device moves backwards along an axis, when a limit switch cannot detect the bars, ultrasonic flaw detection of the bars is completed, the floating device rises and returns to a zero point position, the cylinder of the rotary clamping mechanism releases the bars, a blanking mechanism lifts the bars to blank onto a blanking mechanism, automatic completion is performed, the bars continue to be fed to perform flaw detection after blanking is completed, and flaw detection of all the bars is completed. In this embodiment, this rod ultrasonic inspection device still is connected with bee calling organ, and when detecting a flaw and finding the problem, bee calling organ can report an alarm and indicate operating personnel to can look over the detection result of every rod in the record playback of detecting a flaw, it needs to explain that, the model of every rod corresponds a record file of detecting a flaw, and the mark corresponds on with the rod.

To sum up, the rod ultrasonic inspection device that this application embodiment provided has the beneficial effect of high-efficient flaw detection, changes automatically controlled operation into by artifical mode, has improved the efficiency of detecting a flaw, and does not have the hourglass phenomenon of examining: adopt the centre gripping mode, make the rod the same with the motor rotation number of turns, avoid the phenomenon of skidding that other equipment produced, accomplish the full coverage and detect a flaw. Simultaneously, when flaw detection and positioning are carried out: the electric control flaw detection device has the working functions of bar rotation, probe forward and backward movement and lifting, and can know the position of a flaw in the flaw detection process. Further in the aspect of flaw detection protection: the manual work and equipment can be protected to rotatory centre gripping safety cover, and the damage of probe can be placed and reduced to the first protective sheath of detecting a flaw. And its coupling effect: the whole set of equipment is installed in a water tank, water between the bar and the probe is completely filled, and the problem that bubbles interfere with flaw detection effect is solved.

It is to be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that an article or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The above description is merely exemplary of the present application and is presented to enable those skilled in the art to understand and practice the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

It will be understood that the present application is not limited to what has been described above and shown in the accompanying drawings, and that various modifications and changes can be made without departing from the scope thereof. The scope of the application is limited only by the appended claims.

Claims

1. An ultrasonic flaw detection device for bars is characterized by comprising a feeding frame, a feeding mechanism, a supporting frame, a discharging mechanism, a clamping mechanism and a floating mechanism which are arranged in a water tank;

2. The bar ultrasonic testing device of claim 1, wherein the supporting portion of the feeding frame is a round tube outer protective layer structure, so that the bar moves along with the round tube at the top of the feeding frame, and the bar moves onto the supporting frame;

3. The bar ultrasonic flaw detection device of claim 1, wherein the feeding mechanism is disposed at the bottom of the reference frame inside the water tank and fixed to the reference frame by welding through a fixing seat, the top of the fixing seat is hinged to a feeding plate on the feeding frame, the top of the feeding plate is provided with a protective layer cushion block, the protective layer cushion block has a slope, and the whole feeding drive transmits power through a cylinder disposed at the outer end of the water tank as a power source and a steel rope.

4. The bar ultrasonic flaw detection device of claim 1, wherein the support frame is welded at the center of the reference frame, the support plates in the support frame are arranged in a sectional manner at the center of the water tank, and the top of each support plate is provided with support wheels with different diameters for placing bars compatible with different specifications.

5. The ultrasonic bar inspection device of claim 4, wherein the support wheel is an encapsulated bearing coated with polyurethane layer material for protecting the bar and internally mounted with a stainless steel bearing.

6. The bar ultrasonic flaw detection device according to claim 1, wherein a fixed frame of the clamping mechanism is installed on the reference frame and at the head end in the water tank, a lifting sliding table is installed on the fixed frame, and a bearing seat, a servo motor, a rotating head and a clamping cylinder are installed on the lifting sliding table;

the bearing frame is fixed be used for supporting the rotation axis on the lift slip table, rotation axis one end is furnished with the rotating head, and the other end is furnished with the centre gripping cylinder, the centre gripping cylinder corresponds with material loading position rotation center on the rod, servo motor passes through the hold-in range right the rotation axis transmission power, fixture is used for pressing from both sides tight rod and drives the rod rotatory, and is used for putting along with the different adjustment rotation center of rod diameter.

7. The bar ultrasonic testing apparatus of claim 1, wherein the floating mechanism is mounted on a long-stroke sliding table on the top of the water tank, and the long-stroke sliding table moves synchronously along the axial direction of the bar.

8. The bar ultrasonic flaw detection device according to claim 7, wherein the floating mechanism device is installed on a sliding table cantilever of the long-stroke sliding table, a lifting cylinder is installed at the top of the floating mechanism device, a sliding rail is installed at the bottom of the floating mechanism device, the sliding rail floats radially, a probe fixing plate and an ultrasonic probe are installed at the bottom of the sliding rail, and the ultrasonic probe is installed on the sliding table for rotation and distance adjustment.