CN117554476A - Hub bearing inner race burn vortex detection equipment - Google Patents

Abstract

The application discloses a hub bearing inner race burn vortex detection device, belongs to the field of vortex detection, and comprises a frame, wherein a movable first station, a second station and a third station are linearly arranged in the frame; the clamping jaw can be turned over, and the clamping jaw can move along the arrangement direction of the first station, the second station and the third station; the rotatable positioning mechanism is arranged at the upper part of the frame, and the second station moves the positioning mechanism and enables the positioning mechanism to synchronously and axially rotate; the two probes are movably arranged between the second station and the positioning mechanism up and down, a cross moving mechanism is also arranged on the rack, and each probe is fixed on the corresponding cross moving mechanism; when the device is used, the cylinder lifts the workpiece to be abutted by the positioning mechanism at the upper part and axially rotates, and at the moment, the probe is driven by the cross moving mechanism to carry out omnibearing detection on the workpiece, so that a high-quality detection result is ensured, and the defects that the traditional device is difficult to detect the curved surface of the bearing and has large error are overcome.

Description

Hub bearing inner race burn vortex detection equipment

Technical Field

The application relates to the technical field of eddy current testing, in particular to hub bearing inner ring burn eddy current testing equipment.

Background

In the processing and manufacturing process of the bearing, a plurality of parameters of the finished bearing are detected, and only if each parameter meets the standard, the produced bearing is a genuine product, otherwise, the bearing is a defective product and needs to be reprocessed. Bearing detection is of great importance, and is the guarantee of bearing quality. Therefore, before shipment, the detection of the bearing is an indispensable loop. And for the precision bearing, the flaw detection of the bearing inner ring is also a necessary item.

At present, flaw detection of the bearing inner ring mainly depends on manual handheld flaw detector detection, and due to the lack of a specific tool, the detection efficiency is low, the detection is incomplete, the damage position cannot be accurately determined in the manual detection and detection process, repeated detection is easy to cause, and the difficulty of detection work is increased; moreover, the operator wears the handheld device for a long time and is easy to fatigue, so that the magnetizing time of the magnetizing core rod to the bearing ring is insufficient, and the bearing inner ring is provided with a curved surface, so that the detection difficulty is high, the detection accuracy is not high, and the quality of the whole bearing product is not up to standard.

Content of the application

An object of the application is to provide a hub bearing inner race burn vortex detection equipment to solve prior art manual detection inefficiency, the curved surface degree of difficulty of manual detection bearing inner race is big, finally leads to detection precision not high.

In order to achieve the above purpose, the present application is implemented by adopting the following technical scheme: a hub bearing inner ring burn eddy current testing device comprises

The machine frame is internally provided with a movable first station, a second station and a third station in a linear manner;

the clamping jaw can be turned over, and the clamping jaw can move along the arrangement direction of the first station, the second station and the third station;

the rotatable positioning mechanism is arranged at the upper part of the frame, and the second station is movably used for acting on the positioning mechanism and enabling the positioning mechanism to synchronously and axially rotate;

the two probes are movably arranged between the second station and the positioning mechanism up and down, a cross moving mechanism is also arranged on the rack, and each probe is fixed on the corresponding cross moving mechanism;

the cross moving mechanism drives the probe to move so as to detect the workpiece rotating between the second station and the positioning mechanism.

According to a further scheme, a partition plate is horizontally arranged in the middle of the frame, three through holes are linearly formed in the partition plate, and a receiving plate is arranged in each through hole; the utility model discloses a rotary drive box, including first station, third station, cylinder, rotary drive box, motor output shaft fixed connection of bottom half is one of them gear, and another gear passes through branch connection and is located the outside board of accepting of box, and rotary drive box passes through the cylinder and goes up and down.

The partition board provided with the partition board in the scheme divides the frame into an upper installation area and a lower installation area, and parts of the scheme are installed, wherein reasonable distribution of all stations is not interfered with each other, so that stable corona make-up of the device is facilitated.

According to the scheme of the further step, a base is fixed on a bottom plate of the frame, a sliding rail is arranged on the base, a double-head air cylinder is fixed on the sliding rail through a sliding block, a reciprocating air cylinder is arranged on the base, a telescopic rod of the reciprocating air cylinder is connected with the sliding block through an L-shaped plate, and the clamping jaw comprises a first clamping plate and a second clamping plate; the long shaft is arranged on the partition board in a rotating mode, two connecting pieces are slidably mounted on the long shaft, one ends of the connecting pieces are correspondingly fixedly connected with the clamping plates, the other ends of the connecting pieces are correspondingly connected with telescopic rods of the double-head air cylinders, the overturning air cylinders are obliquely mounted at one ends of the long shaft, U-shaped plates are hinged to the telescopic rods of the overturning air cylinders, and the U-shaped plates are fixedly connected with the long shaft.

The first clamping plate and the second clamping plate move in opposite directions to stably clamp hub bearing workpieces on each station and carry out accurate carrying work, and when the probe works, the overturning cylinder drives the clamping jaw to carry out overturning movement, so that a safe operation area is provided for the probe, and mutual interference among parts is avoided, and the measuring result of the probe is influenced.

Preferably, the first splint, the crisscross arrangement of second splint, and first splint, second splint are equipped with the U type mouth towards baffle one side, all install the clamp splice on the crisscross outside difference opposite side wall of U type mouth, and two work pieces can be simultaneously, synchronous transfer to the design clamping jaw of this scheme, improve the operating efficiency, reduce detection cost.

According to a further scheme, a sorting mechanism is arranged on a bottom plate of the rack; the sorting mechanism comprises a conveying groove fixed on a bottom plate of the frame, one end of the conveying groove is correspondingly arranged with the first station, a poking cylinder is arranged on the bottom plate on one side of the conveying groove, and a poking block is arranged on a telescopic rod of the poking cylinder.

Install sorting mechanism in the above-mentioned scheme, the probe detects the unqualified work piece and directly cooperates the loading board on the first station of decline, stirs through stirring the cylinder, and the unqualified product work piece of collection that can concentrate fast, unified arrangement, customer experience feels more.

In a further scheme, a verification assembly is further arranged on the bottom plate of the rack; the verification assembly comprises a fixed plate arranged on a bottom plate, a pair of rails are arranged on the fixed plate in parallel, a rotary cylinder is arranged on the rails in a sliding mode through a sliding block, a standard part material table is fixedly connected to a rotary cylinder rotating shaft, two counter bores are symmetrically arranged on the standard part material table, the position of the standard part material table is higher than that of a cylinder at a third station, the counter bores movably pass through the vertical projection position of the third station on the bottom plate, a push-pull cylinder is further arranged on the edge of the fixed plate, and a telescopic rod of the push-pull cylinder is connected with the sliding block through an L plate.

The device detects after carrying out long-time operation and probably takes place the error, prevents the emergence of this kind of phenomenon, or in time discovers the change of equipment detection precision, has installed and has checked the subassembly, and the equipment pauses the detection to the work piece after long-time work, rises the standard part on the baffle lower part standard part material platform, and the transfer through the clamping jaw is awakened to check the test, whether debate to the equipment according to actual conditions, reduces unqualified product rate.

In a further scheme, the two cross moving mechanisms are a first cross moving mechanism and a second cross moving mechanism, and the position of the first cross moving mechanism is higher than that of the second cross moving mechanism;

the two cross moving mechanisms comprise X groove plates and Y groove plates which are arranged in a cross manner, the inner structures of the X groove plates and the Y groove plates are the same, an X-axis motor is installed at one end of each X groove plate, an X-axis screw rod is rotatably installed in the middle of each X groove plate, an output shaft of each X-axis motor is connected with each X-axis screw rod through a coupling, an X sliding block is installed on each X-axis screw rod in a threaded fit manner, two sides of each X sliding block are abutted against side plates of each X groove plate, and a bottom plate of each Y groove plate is fixedly connected with each X sliding block;

an L plate is fixed on a Y groove plate Y sliding block in the first cross moving mechanism, a servo motor is arranged on one side of the L plate away from the positioning mechanism, and an output shaft of the servo motor is fixedly connected with a probe;

and a driving air cylinder is arranged on the partition plate, and a telescopic rod of the driving air cylinder is connected with an X groove plate in the second cross moving mechanism through an L plate.

The cross moving mechanism is stable in position condition on the probe, and can be matched with a rotating workpiece after positioning, so that the workpiece can be efficiently and rapidly detected, curved surfaces are distributed on the surface of the workpiece, the distance between the probe and the workpiece is difficult to control when the probe is moved by the curves, and the design can effectively ensure the detection precision of the probe and improve the error of the detection result.

According to a further scheme, the positioning mechanism comprises a positioning plate with a perforation, the positioning plate is supported on the frame through a vertical rod, a positioning sleeve is fixed on the side surface of the bottom of the perforation, a connecting shaft is installed in the positioning sleeve in a clearance fit manner, a positioning head is rotatably installed at the bottom of the connecting shaft, and the top of the positioning plate penetrates through the perforation to be limited by a limiting piece; the locating piece comprises a locating plate, a locating shaft and a locating plate, wherein the locating plate is fixedly arranged at one end of the locating plate, the locating plate penetrates out of the through hole, a pair of supporting rods are symmetrically arranged on the locating plate, a transverse plate is arranged at the top of each supporting rod, the equal-height locating plate is arranged on each supporting rod, and the locating plate is arranged in an area between the transverse plate and the locating plate.

Based on above-mentioned scheme, the locating head can carry out the self-adaptation according to the height of work piece with the connecting axle on upper portion and adjust, and the connecting plate reciprocates and is spacing by the limiting plate of both sides, simple structure, and the practicality is strong, and during the detection, it is fixed to the work piece through the weight of locating head and connecting axle, avoids using unnecessary equipment to carry out spacing work piece, reduces manufacturing cost.

In addition, truss manipulators are arranged on two sides of the partition board; the truss manipulator comprises a vertical cylinder and a horizontal cylinder which are arranged in a cross manner, the vertical cylinder is fixed on a sliding block of the horizontal cylinder through a mounting plate, a clamping jaw cylinder is fixed at the end part of a telescopic rod of the vertical cylinder, at least three clamping jaw rods are mounted on the clamping jaw cylinder in a circumferential array manner, and when the device is used, the truss manipulator is started to automatically carry a workpiece to be detected, so that labor cost is reduced.

This application further scheme, the frame is close to third station one side and has been arranged first conveyer belt, and the one end that is close to first station has been arranged the second conveyer belt, and the arrangement installation of conveyer belt realizes the orderly feeding of one end, and the other end ejection of compact realizes complete industrialization, automated inspection.

According to the technical scheme, the application has the following effects:

when the equipment is used, a workpiece on the third station is conveyed to the second station by the clamping jaw, the cylinder lifts the workpiece to be abutted by the positioning mechanism at the upper part and generates axial rotation, the probe arranged up and down at the moment is driven by the cross moving mechanism to carry out omnibearing detection on the workpiece, during detection, the rotation of the workpiece avoids the curve rotation of the probe, the distance between the probe and the workpiece can be accurately controlled, the high-quality detection result is ensured, the mechanical operation accelerates the detection speed, and the defects that the traditional equipment is difficult to detect the curved surface of the bearing and has large error are overcome;

in addition, the equipment is also provided with a verification assembly and a sorting mechanism, the machine can float with detection precision after long-time use, the standard parts in the verification assembly are continuously sent to a second station to calibrate the equipment, so that the false detection of a large number of products is prevented, the qualification rate is improved, the sorting mechanism can quickly transfer and classify the defective products after detecting the defective products, the final unified management is convenient, the division operation is clear, and the concept of efficient production is satisfied;

the U-shaped grooves on the surfaces of the first clamping plate and the second clamping plate are matched with the height dislocation design of the first clamping plate and the second clamping plate, so that the first clamping plate and the second clamping plate can be released or clamped once in staggered movement, the design is novel, the detection efficiency can be accelerated, and the benefit is maximized.

Drawings

FIG. 1 is a schematic diagram of the front structure of an embodiment of the present application;

FIG. 2 is a schematic diagram of a portion of a device according to an embodiment of the present application;

FIG. 3 is a front view of a structure with a separator removed in an embodiment of the present application;

FIG. 4 is an enlarged view of FIG. 2 at A;

FIG. 5 is an enlarged view of FIG. 3 at B;

FIG. 6 is a front view of an embodiment of the application;

FIG. 7 is an enlarged view of FIG. 6 at C

FIG. 8 is a schematic view of a rear structure of an embodiment of the present application with a spacer removed;

FIG. 9 is an enlarged view of FIG. 8 at D;

FIG. 10 is an enlarged view of FIG. 8 at E;

FIG. 11 is a diagram of the internal structure of a rotary drive housing in an embodiment of the present application;

FIG. 12 is a block diagram of a workpiece to be measured in an embodiment of the present application;

wherein:

1 frame, 11 partition boards, 101 first station, 102 second station, 103 third station, 1001 bearing board

21 first conveyor belt, 22 second conveyor belt, 201 micro cylinder

31 horizontal cylinder, 32 vertical cylinder, 33 clamping jaw cylinder

40 efficiency components, 41 fixing plates, 42 tracks, 43 push-pull cylinders, 44 standard component material tables, 45 rotary cylinders and 46 sliding seats

50 sorting mechanism, 51 conveying groove, 52 poking cylinder, 53 poking block and 54 lifting cylinder

60 clamping jaws, 601 a base, 602 a slide rail, 603 a slide block, 61 a reciprocating cylinder, 62 a double-head cylinder, 63 a long shaft, 631 a bearing with a seat,

64 turnover air cylinders, 65 first clamping plates, 66 second clamping plates, 67U-shaped plates, 68 first L-shaped plates, 69 connecting pieces, 691 second L-shaped connecting plates, 692 limiting cylinders and 693 limiting rings

70 cross moving part, 71X-axis motor, 72X slot plate, 73Y-axis motor, 74Y slot plate, 75 probe, 76 servo motor and 77 driving cylinder

80 positioning mechanism, 81 positioning sleeve, 82 positioning head, 83 positioning plate, 84 rotary driving box, 841 box body, 842 motor, 843 gear, 844 short shaft, 85 connecting shaft,

91 connecting plate, 92 limiting plate, 93 supporting rod and 94 cross rod

Detailed Description

In order to make the technical means, the creation features, the achievement of the purpose and the effect achieved in the present application easy to understand, the present application is further described below in connection with the specific embodiments.

It should be noted that, in the description of the present application, the terms "front", "rear", "left", "right", "upper", "lower", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are merely for convenience in describing the present application and do not require that the present application must be constructed and operated in a specific orientation, and thus are not to be construed as limiting the present application. The terms "front", "back", "left", "right", "upper", "lower" as used in the description of this application refer to directions in the drawings, and the terms "inner", "outer" refer to directions toward or away from the geometric center of a particular component, respectively.

As shown in fig. 1 and 2, the application discloses a hub bearing inner ring burn eddy current testing device, which comprises a frame 1, wherein a movable first station 101, a second station 102 and a third station 103 are linearly arranged in the frame 1; a reversible clamping jaw 60, wherein the clamping jaw 60 can move along the arrangement direction of a first station 101, a second station 102 and a third station 103; the rotatable positioning mechanism 80, the positioning mechanism 80 is arranged at the upper part of the frame 1, and the second station 102 is movably used for acting on the positioning mechanism 80 and enabling the positioning mechanism 80 to synchronously and axially rotate; the two probes 75 are movably arranged between the second station 102 and the positioning mechanism 80 up and down, the frame 1 is also provided with a cross moving part 70, and each probe 75 is fixed on the corresponding cross moving part 70; the cross moving part 70 drives the probe 75 to move so as to detect the bearing inner ring rotating between the second station 102 and the positioning mechanism 80.

When viewing the figures 1, 3 and 4, the layout of each station can be seen, the middle part of the frame 1 is horizontally provided with a baffle plate 11, the baffle plate 11 divides the frame 1 into an upper area and a lower area, three through holes are linearly formed in the baffle plate 11, and a bearing plate 1001 is arranged in each through hole; the first station 101 and the third station 103 are provided with air cylinders, the air cylinders are located on the bottom plate of the frame 1 corresponding to the respective stations, telescopic rods of the air cylinders are connected with a bearing plate 1001, the second station 102 is provided with a rotary driving box 84, the driving box 84 is structurally observed in fig. 2 and 11, the rotary driving box 84 comprises a box 841, two gears 843 meshed with each other are rotatably arranged in the box 841 through rotating shafts, a motor 842 is arranged on the bottom wall of the box 841, an output shaft of the motor 842 is fixedly connected with one of the gears 843, the other gear 843 is connected with the bearing plate 1001 located outside the box 841 through a short shaft 844, the rotary driving box 84 is lifted through the air cylinders at the second station 102, and the motor 842 drives the two gears 843 to rotate so as to control the bearing plate 1001 at the second station 102 to rotate.

When the device is used, the cylinder in the middle moves up the workpiece on the second station 102 and enables the workpiece to be abutted against the positioning mechanism 80 at the upper part, the motor in the rotary driving box 84 is started to drive the positioning mechanism 80 and the workpiece to axially rotate, and during detection, the probe 75 only needs to control the distance between the probe and the workpiece, and the detection can be carried out in all directions along with the rotation of the workpiece, so that the problem that the curved surface of the hub bearing is difficult to detect is solved, and the detection stability of the device is greatly improved.

In this embodiment, the movably installed clamping jaw 60 is also involved, the clamping jaw 60 is used for conveniently transferring the workpiece on each station, but the workpiece can not be interfered by the clamping jaw 60 when the probe 75 detects, referring to fig. 1 and 5, the clamping jaw 60 is integrally arranged at the side part of the frame 1, the bottom plate of the frame 1 is fixed with a base 601, the base 601 is provided with a sliding rail 602 in a sliding manner, the sliding rail 602 is fixed with a double-headed cylinder 62 through a sliding block 603, the base 601 is provided with a reciprocating cylinder 61, a telescopic rod of the reciprocating cylinder 61 is connected with the sliding block 603 through a first L-shaped plate 68, and the clamping jaw 60 comprises a first clamping plate 65 and a second clamping plate 66 which are arranged in a staggered manner;

the baffle 11 is rotationally provided with a long shaft 63 through a bearing 631 with a seat, the long shaft 63 is provided with two connecting pieces 69 in a sliding manner, the connecting pieces 69 comprise L-shaped connecting plates 691, a limiting cylinder 692 and a limiting ring 693, the limiting cylinder 692 and the limiting ring 693 are sleeved on the long shaft 63, the tops of the limiting plates and the limiting rings are welded through a supporting rod, the inner wall of the limiting cylinder 692 is axially fixed with a limiting block, the long shaft 63 is axially provided with a limiting groove, the limiting block is arranged in the limiting groove, one end of the L-shaped connecting plate 69 is provided with a U-shaped opening, the U-shaped opening is arranged between the limiting cylinder 692 and the limiting ring 693 and is abutted to the long shaft 63, the other end of the L-shaped connecting plate is connected with a telescopic rod of the double-end air cylinder 62, one end of the long shaft 63 is obliquely provided with a turnover air cylinder 64, the telescopic rod of the turnover air cylinder 64 is provided with a U-shaped plate 67, and one end of the U-shaped plate is fixedly connected with the long shaft 63. The other end rotates a telescopic rod connected with the overturning cylinder 64.

The double-headed cylinder 62 controls the first clamping plate 65 and the second clamping plate 66 to move apart or close, clamping or releasing the workpiece,

after the clamping jaw 60 clamps the workpiece on the third station 103, the workpiece is pulled to the second station 102 through the reciprocating cylinder 61, the turnover cylinder 64 is pulled down after the workpiece is loosened, the U-shaped plate 67 drives the long shaft 63 to rotate, the clamping jaw 60 is forced to perform turning-up movement, and the cylinder at the second station 102 lifts the workpiece and is abutted with the positioning mechanism 80.

Continuing to observe fig. 5, further, carry out special design to the structure of first splint 65, second splint 66 at the designer, consider the station more, set up a plurality of clamping jaws 60 and not only increase the cost and still influence the pleasing to the eye of equipment, first splint 65, second splint 66 staggered arrangement, and first splint 65, second splint 66 are equipped with the U type mouth towards baffle 11 one side, all install the clamp splice on the crisscross outside difference opposite side wall of U type mouth, simple design, it is all good that the effect is used, realize the appearance of many clamp positions through the motion of two splint, improve work piece transfer efficiency greatly.

The positioning mechanism 80 in this embodiment, the specific structure of which is shown in fig. 4, 6 and 7, the positioning mechanism 80 comprises a positioning plate 83 with a perforation, the positioning plate 83 is supported on the frame 1 by a vertical rod, a positioning sleeve 81 is fixed on the edge surface of the bottom of the perforation, a connecting shaft 85 is installed in the positioning sleeve 81 in a clearance fit manner, a positioning head 82 is rotatably installed at the bottom of the connecting shaft 85, and the top penetrating out of the perforation is limited by a limiting piece; the limiting piece comprises a connecting plate 91, the connecting plate 91 is fixed at one end of the connecting shaft 85 penetrating out of the through hole, a pair of supporting rods 93 are symmetrically arranged on the positioning plate 83, a transverse plate 94 is arranged at the top of each supporting rod 93, limiting plates 92 are arranged on each supporting rod 93, and the connecting plate 91 is arranged in an area between the transverse plate 94 and the limiting plates 92.

There is the surplus between limiting plate 92 and the diaphragm 94 that set up in positioning mechanism 80, and connecting plate 91 and the locating head 82 of lower extreme down move under the effect of gravity under the normal condition, and connecting plate 91 is accepted by limiting plate 92 this moment, during actual production, set up the screw thread through-hole in the position department that diaphragm 94 corresponds connecting axle 85, screw thread through-hole internal thread cooperation installation limit bolt, the biggest spacing height of adjusting locating head 82 according to limit bolt outgoing screw thread through-hole's length.

Referring to fig. 1, 8 and 10, in order to achieve rapid and reasonable removal of defective products, a technician installs a sorting mechanism 50 on a frame 1, the sorting mechanism is installed in a region below a partition 11, and is installed on a bottom plate of the frame 1, the sorting mechanism 50 includes a transfer slot 51 fixed on the bottom plate of the frame 1, one end of the transfer slot 51 is arranged corresponding to a first station 101, and a toggle cylinder 52 is installed on the bottom plate on one side of the transfer slot 51, and a toggle block 53 is installed on a telescopic rod of the toggle cylinder 52.

When the device detects the defective products, the clamping jaw carries defective products on the second station 102 to the first station 101, the cylinder of the first station 101 moves the products downwards to the area below the partition plate 11, then the cylinder 52 is stirred to drive the shifting block 53 to move towards the inlet of the conveying groove 51 until the defective products enter the conveying groove 51, the conveying groove 51 conveys the defective products to the fixed point area for centralized treatment, the bearing plate 1001 is a circular plate, a crescent plate is arranged at the inlet of the conveying groove 51 in actual production, the radian of the crescent plate is matched with the radian of the edge of the bearing plate 1001, the conveying groove 51 is formed by a groove body and a conveying belt, a plurality of rotary rollers are arranged between the side plates of the groove body, the conveying belt is arranged on the rotary rollers in a conveying mode, and the motor drives the rotary rollers to rotate.

In still other embodiments, the verification assembly 40 is installed, the device may have an enlarged detection accuracy error when running for a long time, the device needs to be tested by using a standard component, the calibration is performed according to the obtained data, an automatic processing design is used herein, referring to fig. 2, 8 and 9, the verification assembly 40 comprises a fixed plate 41 installed on a bottom plate, a pair of rails 42 are installed on the fixed plate 41 in parallel, a rotary cylinder 45 is slidably installed on the rails 42 through a sliding seat 46, a standard component material table 44 is fixedly connected to a rotating shaft of the rotary cylinder 45, two counter bores are symmetrically arranged on the standard component material table 44, the standard component material table 44 is higher than a cylinder at the third station 103, the counter bores move through a vertical projection position of the third station 103 on the bottom plate, a push-pull cylinder 43 is installed at the edge of the fixed plate 41, and a telescopic rod of the push-pull cylinder 43 is fixedly connected with the sliding seat 46 through a connecting plate.

The process is verified by the clamping jaws removing the workpiece at the third station 103 and moving the carrier plate 1001 of the third station 103 downward, then actuating the rotary cylinder 45 to rotate one of the standard components on the standard component table 44 to the projection surface of the third station 103, transferring the standard component on the third station 103 to the second workpiece 102 by using the clamping jaws 60, moving the carrier plate 1001 of the second station 102 upward to eject the standard component out of the standard component table 44 until contacting the positioning head 82 of the positioning mechanism 80, and then testing the probe 75.

Referring to fig. 4, a specific structure of the cross moving part 70 can be seen, where the cross moving part 70 includes a first cross moving mechanism and a second cross moving mechanism, the first cross moving mechanism is higher than the second cross moving mechanism, a probe 75 on the first cross moving mechanism detects an upper end surface of the hub bearing, and a probe 75 on the second cross moving mechanism detects a lower end surface of the hub bearing.

Specifically, the two cross moving mechanisms comprise X groove plates 72 and Y groove plates 74 which are arranged in a cross manner, the inner structures of the X groove plates 72 and the Y groove plates 74 are the same, an X-axis motor 71 is installed at one end of each X groove plate 72, an X-axis screw rod is rotatably installed in the middle of each X groove plate 72, an output shaft of each X-axis motor 71 is connected with each X-axis screw rod through a coupler, X sliding blocks are installed on the X-axis screw rods in a threaded fit manner, two sides of each X sliding block are abutted against side plates of each X groove plate 72, and a bottom plate of each Y groove plate 74 is fixedly connected with each X sliding block;

a motor mounting plate is fixed on a Y sliding block of a Y groove plate 74 in the first cross moving mechanism, a servo motor 76 is arranged on one side of the motor mounting plate, which is away from the positioning mechanism 80, and an output shaft of the servo motor 76 passes through the motor mounting plate to be fixedly connected with one probe 75; the servo motor 76 rotates the probe 75.

A driving air cylinder 77 is arranged on the partition plate 11, and a telescopic rod of the driving air cylinder 77 is connected with an X groove plate 72 in a second cross moving mechanism through an L plate; the other probe 75 is fixed on a Y slide block in a Y slot plate 74 in the second cross moving mechanism, and the Y-axis motor 73 drives the probe 75 to move up and down; the driving cylinder 77 drives the second cross moving mechanism to move back and forth, so that the workpiece moving on the second station 102 can be avoided conveniently.

In order to realize automatic detection, observing the attached figures 1 and 6, truss manipulators are arranged on two sides of a partition plate 11; the truss manipulator comprises a vertical cylinder 32 and a horizontal cylinder 31 which are arranged in a cross manner, wherein the vertical cylinder 32 is fixed on a sliding block of the horizontal cylinder 31 through a mounting plate, a clamping jaw cylinder 33 is fixed at the end part of a telescopic rod of the vertical cylinder 32, and at least three clamping jaw rods are arranged on the clamping jaw cylinder 33 in a circumferential array; in this embodiment, the object to be gripped by the gripping jaw cylinder 33 is a hub bearing, the middle part of the body surface of the hub bearing is the center of a circle, and three gripping bars are arranged on the gripping jaw cylinder 33 to meet the gripping requirement.

In addition, a first conveyor belt 21 is arranged on one side of the frame 1 close to the third station 103, and a second conveyor belt 22 is arranged on one end close to the first station 101; the first conveyor belt 21, wherein two micro-cylinders 201 are installed on the side frame of the first conveyor belt 21 in parallel, the telescopic rods of the micro-cylinders 201 point to the inner side of the first conveyor belt 2, and one end of the first conveyor belt 21, which is close to the frame 1, is also provided with a baffle plate. In use, only one workpiece is allowed to pass through the micro cylinder 201 at a time, and one workpiece stays between the micro cylinder 201 and the striker plate.

The specific application is as follows:

1) The worker continuously places the workpiece to be tested (hub bearing) on the first conveyor belt 21 for conveying until the workpiece is stopped at the position of the baffle plate;

2) Starting a truss manipulator on the right side to convey the workpiece at the striker plate to the third station 103, and moving the first clamping plate 65 and the second clamping plate 66 to convey the workpiece at the third station 103 to the second station 102;

3) At this time, the cylinder at the second station 102 is started to move the workpiece up until the workpiece abuts against the positioning head 82, the motor on the rotary driving box 84 is started to drive the workpiece and the positioning head 82 to synchronously rotate,

4) At this time, two cross moving mechanisms are started, the first cross moving mechanism controls the upper probe 75 to rotate and move to the upper half part of the workpiece in a cross manner, the second cross moving mechanism controls the lower probe 75 to move to the lower half part of the workpiece, the two probes 75 simultaneously detect the workpiece, wherein the workpiece can axially rotate, the probe 75 can detect the whole area of the workpiece only by moving in one plane,

5) After the detection is finished, the workpiece on the second station 102 is conveyed to the first station 101 by the first clamping plate 65 and the second clamping plate 66;

if the conveying belt is qualified, the conveying belt is conveyed to the second conveying belt 22 by using a truss manipulator of the frame 1;

if the workpiece is not qualified, the first station 101 is lowered, the toggle cylinder 52 is started to wave the workpiece on the first station 101 to the conveying groove 51 and then the workpiece is intensively processed;

6) When the equipment is required to be checked, the height of the first station 101 is lowered, the standard component material platform 44 is translated to place a standard component on the projection surface of the first station 101, the first station 101 is moved upwards until the standard component is ejected out of the standard component material platform 44, the standard component is conveyed to the second station 102 by using the first clamping plate 65 and the second clamping plate 66, then the operation of the steps 3) and 4) is carried out, and the standard component is replaced by the opposite operation after the detection is finished;

the standard part material table 44 is rotated to place another standard part on the projection surface of the first station 101, and the subsequent detection step is the same as the previous standard part, so that the subsequent detection step is omitted.

In order to realize numerical control in production, a main control screen and operation keys are arranged on a top plate of a rack, and parts in the equipment are electrically connected with the main control screen.

It will be appreciated by those skilled in the art that the present application may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. Accordingly, the above disclosed embodiments are illustrative in all respects, and not exclusive. All changes that come within the scope of the application or the range of equivalents thereto are intended to be embraced therein.

Claims (10)

1. The utility model provides a hub bearing inner race burn vortex detection equipment which characterized in that includes

The machine frame (1) is internally provided with a movable first station (101), a second station (102) and a third station (103) in a linear manner;

the clamping jaw can be turned over, and the clamping jaw can move along the arrangement direction of the first station (101), the second station (102) and the third station (103);

the rotatable positioning mechanism (80), the positioning mechanism (80) is arranged at the upper part of the frame (1), and the second station (102) moves the positioning mechanism (80) and enables the positioning mechanism to synchronously and axially rotate;

two probes (75) which are movably arranged between the second station (102) and the positioning mechanism (80) up and down, wherein two groups of cross moving mechanisms are also arranged on the frame (1), and each probe (75) is fixed on the corresponding cross moving mechanism;

the cross moving mechanism drives the probe (75) to move so as to detect the rotating workpiece between the second station (102) and the positioning mechanism (80).

2. The hub bearing inner ring burn eddy current testing equipment according to claim 1, wherein a partition plate (11) is horizontally arranged in the middle of the frame (1), three through holes are linearly formed in the partition plate (11), and a bearing plate is arranged in each through hole;

the automatic lifting device is characterized in that an air cylinder is arranged on the first station (101) and the third station (103), a telescopic rod of the air cylinder is connected with a bearing plate, a rotary driving box (84) is arranged on the second station (102), the rotary driving box (84) comprises a box body, two gears meshed with each other are rotatably arranged on the box body, one gear is fixedly connected with an output shaft of a motor at the bottom of the box body, the other gear is connected with the bearing plate outside the box body through a supporting rod, and the rotary driving box (84) is lifted through the air cylinder.

3. The hub bearing inner ring burn eddy current testing equipment according to claim 2, wherein a base is fixed on a bottom plate of the frame (1), a sliding rail is mounted on the base, a double-head cylinder (62) is fixed on the sliding rail through a sliding block, a reciprocating cylinder (61) is mounted on the base, a telescopic rod of the reciprocating cylinder (61) is connected with the sliding block through a first L-shaped plate (68), and the clamping jaw comprises a first clamping plate (65) and a second clamping plate (66);

the long shaft (63) that still rotates the setting on baffle (11), slidable mounting has two connecting pieces (69) on long shaft (63), and the one end of connecting piece (69) corresponds the fixed splint that connects, and the telescopic link of double-end cylinder (62) is connected to the other end correspondence, upset cylinder (64) are installed to long shaft (63) one end slope, articulate on the telescopic link of upset cylinder (64) have U template, U template fixed connection long shaft (63).

4. A hub bearing inner ring burn eddy current testing device according to claim 3, wherein the first clamping plates (65) and the second clamping plates (66) are arranged in a staggered manner, and a U-shaped opening is arranged on one side of the first clamping plates (65) and one side of the second clamping plates (66) facing the partition plate (11), and clamping blocks are arranged on opposite side walls of the staggered outer sides of the U-shaped opening.

5. A hub bearing inner race burn eddy current inspection apparatus according to claim 1, characterized in that a sorting mechanism is mounted on the bottom plate of the frame (1);

the sorting mechanism comprises a conveying groove (51) fixed on a bottom plate of the frame (1), one end of the conveying groove (51) is correspondingly arranged with the first station (101), a stirring cylinder (52) is arranged on the bottom plate on one side of the conveying groove (51), and a poking block (53) is arranged on a telescopic rod of the stirring cylinder (52).

6. A hub bearing inner race burn eddy current inspection apparatus according to claim 2, wherein a verification assembly is further mounted on the bottom plate of the frame (1);

the utility model provides a test subassembly is including installing fixed plate (41) on the bottom plate, parallel mount has a pair of track (42) on fixed plate (41), has revolving cylinder (45) through slider slidable mounting on track (42), revolving cylinder (45) pivot fixedly connected with standard component material platform (44), the symmetry is equipped with two counter bores on standard component material platform (44), and standard component material platform (44) position is higher than the cylinder of third station (103) department, the counter bore activity is passed through the perpendicular projection department of third station (103) on the bottom plate, push-and-pull cylinder (43) are still installed to fixed plate (41) limit portion, and the telescopic link of push-and-pull cylinder (43) passes through L board connection slider.

7. The hub bearing inner ring burn eddy current testing apparatus according to claim 2, wherein the two cross moving mechanisms are a first cross moving mechanism and a second cross moving mechanism, and the first cross moving mechanism is higher than the second cross moving mechanism;

the two cross moving mechanisms comprise X groove plates (72) and Y groove plates (74) which are arranged in a cross manner, the inner structures of the X groove plates (72) and the Y groove plates (74) are the same, an X-axis motor (71) is arranged at one end of each X groove plate (72), an X-axis screw rod is rotatably arranged in the middle of each X groove plate (72), an output shaft of each X-axis motor (71) is connected with the X-axis screw rod through a coupling, an X sliding block is arranged on each X-axis screw rod in a threaded fit manner, two sides of each X sliding block are abutted against side plates of the X groove plates (72), and a bottom plate of each Y groove plate (74) is fixedly connected with each X sliding block;

an L plate is fixed on a Y sliding block of a Y groove plate (74) in the first cross moving mechanism, a servo motor (76) is arranged on one side of the L plate, which is away from the positioning mechanism (80), and an output shaft of the servo motor (76) is fixedly connected with a probe (75);

a driving air cylinder is arranged on the partition plate (11), and a telescopic rod of the driving air cylinder is connected with an X groove plate (72) in the first cross moving mechanism through an L plate.

8. The hub bearing inner ring burn eddy current testing equipment according to claim 1, wherein the positioning mechanism (80) comprises a positioning plate (83) with a perforation, the positioning plate (83) is supported on the frame (1) through a vertical rod, a positioning sleeve (81) is fixed on the side surface of the bottom of the perforation, a connecting shaft is installed in the positioning sleeve (81) in a clearance fit manner, a positioning head (82) is rotatably installed at the bottom of the connecting shaft, and the top penetrating out of the perforation is limited by a limiting piece;

the limiting piece comprises a connecting plate (91), the connecting plate (91) is fixed at one end of the connecting shaft penetrating out of the through hole, a pair of supporting rods are symmetrically arranged on the positioning plate (83), a transverse plate is arranged between the tops of the two supporting rods, limiting plates (92) with the same height are arranged on each supporting rod, and the connecting plate (91) is arranged in an area between the transverse plate and the limiting plates (92).

9. The hub bearing inner ring burn eddy current testing equipment according to claim 1, wherein truss manipulators are arranged on two sides of the partition plate (11);

the truss manipulator comprises a vertical cylinder (32) and a horizontal cylinder (31) which are arranged in a cross manner, the vertical cylinder (32) is fixed on a sliding block of the horizontal cylinder (31) through a mounting plate, a clamping jaw cylinder (33) is fixed at the end part of a telescopic rod of the vertical cylinder (32), and at least three clamping jaw rods are mounted on a circumferential array on the clamping jaw cylinder (33).

10. A hub bearing inner race burn eddy current testing apparatus according to claim 1, wherein a first conveyor belt (21) is arranged on the side of the frame (1) near the third station (103), and a second conveyor belt (22) is arranged on the side of the frame near the first station (101).