CN212989237U

CN212989237U - Magnetic particle testing clamping instrument

Info

Publication number: CN212989237U
Application number: CN202021870931.4U
Authority: CN
Inventors: 贾震; 赵明; 徐兵; 徐健钊; 高健
Original assignee: Zhenjiang Xinhuadian Construction Quality Testing Co ltd
Current assignee: Zhenjiang Xinhuadian Construction Quality Testing Co ltd
Priority date: 2020-08-31
Filing date: 2020-08-31
Publication date: 2021-04-16
Anticipated expiration: 2030-08-31

Abstract

The application relates to a magnetic particle testing clamping instrument, which relates to the field of magnetic particle testing and comprises an operating platform, wherein a driving device is arranged at one end of the operating platform along the length direction of the operating platform; sliding connection has support piece in the spout, the V-arrangement groove of placing the work piece is seted up at support piece's top, support piece is equipped with a plurality ofly along the length direction of spout. This application has the axle center of being convenient for with the size work piece and drive arrangement's rotation center coincidence, promotes the effect of the precision that the magnetic detected.

Description

Magnetic particle testing clamping instrument

Technical Field

The application relates to the field of magnetic particle testing, in particular to a magnetic particle testing clamping instrument.

Background

Magnetic particle inspection testing is a non-destructive testing technique that can detect defects in the surface of a part made of ferromagnetic material, or can detect defects within the ferromagnetic material. This technique is characterized in that a substance containing dyed particles or ferromagnetic particles coated with fluorescent pigments is sprayed onto the surface of a part to be tested, and then the part is subjected to a magnetic field while the surface treated with the substance is observed endoscopically under the influence of white light or ultraviolet light.

Chinese patent No. CN206583850U discloses a simple magnetic particle testing clamping device, which aims to provide a clamping device for rotary testing of small shafts, bolts, nuts and rods, and the key point of the technical scheme is that the clamping device comprises an operating platform, a chute is arranged on the operating platform, an insulating clamp and a sliding clamp are arranged on the chute, the insulating clamp comprises a connecting shaft, an insulating head is arranged at one end of the connecting shaft facing a workpiece, and a transmission device for driving the insulating head to rotate is arranged at one side of the connecting shaft, which is back to the workpiece; the sliding clamp comprises a threaded rod, and one end of the threaded rod, facing the workpiece, is provided with a rotating part with an insulating head matched with the workpiece to clamp the workpiece. An insulating head on the insulating clamp and a rotating piece on the sliding clamp are matched to clamp a fixed workpiece, the transmission device drives the connecting shaft to rotate, the connecting shaft drives the insulating head to rotate, the insulating head and the rotating piece are matched to rotate the workpiece, then magnetic powder detection is carried out on the rotating workpiece, and whether defects exist on the surface of the workpiece is observed.

The inventor finds that when the workpiece is installed, one hand is needed to hold the workpiece, the other hand controls the sliding clamping piece to clamp the workpiece, the workpiece and the rotating center of the rotating piece are difficult to be concentric, so that the workpiece and the rotating center deviate when rotating, and the detection precision is affected.

Disclosure of Invention

In order to promote and detect the precision, this application provides a magnetic particle testing centre gripping instrument.

The application provides a pair of magnetic particle testing centre gripping instrument adopts following technical scheme:

a magnetic powder detection clamping instrument comprises an operating platform, wherein a driving device is arranged at one end of the operating platform along the length direction of the operating platform, a sliding groove is formed in the operating platform along the length direction of the operating platform, and a clamping assembly is connected in the sliding groove in a sliding manner;

sliding connection has support piece in the spout, the V-arrangement groove of placing the work piece is seted up at support piece's top, support piece is equipped with a plurality ofly along the length direction of spout.

By adopting the technical scheme, when a workpiece is clamped, the workpiece is firstly placed in the V-shaped groove, and the workpiece is generally a rod-type workpiece, so that the axis of the workpiece with the same size is overlapped with the rotation center of the driving device easily by arranging the V-shaped groove, the magnetic powder detection precision is improved, finally the workpiece is clamped by the clamping assembly, the driving assembly drives the workpiece to rotate, the detection is convenient, and the detection efficiency is improved; meanwhile, the workpiece can be clamped by being placed on the V-shaped groove, and the clamping is convenient.

Preferably, the supporting piece comprises a supporting sleeve and a supporting block, a sliding groove is formed in the top surface of the supporting sleeve in the vertical direction, the supporting block is connected in the sliding groove in a sliding mode, the V-shaped groove is formed in the top wall of the supporting block, and a compression spring is arranged between the supporting block and the bottom of the sliding groove.

By adopting the technical scheme, the compression spring enables the height of the V-shaped groove to be changed, the V-shaped groove can adapt to workpieces with different sizes, and the universality of the V-shaped groove is improved.

Preferably, the side wall of the support sleeve is in threaded connection with a locking bolt, and the locking bolt is located at one end, facing the V-shaped groove, of the support sleeve.

Through adopting above-mentioned technical scheme, the locking bolt is convenient for lock the supporting shoe after the work piece reachs suitable position, need not the manual work and presses the work piece, and is comparatively convenient.

Preferably, the side wall of the supporting sleeve is provided with a clamping block, the clamping block is arranged at one end, far away from the V-shaped groove, of the supporting sleeve, the clamping block is arranged oppositely along the width direction of the sliding groove, the side wall of the sliding groove is provided with a clamping groove for the clamping groove to slide, and the clamping groove is arranged along the length direction of the sliding groove.

Through adopting above-mentioned technical scheme, the cooperation of fixture block and draw-in groove is convenient for support the cover and slides along the spout, promotes to support the gliding stability of cover.

Preferably, the centre gripping subassembly includes the grip block, grip block sliding connection is in the spout, be equipped with the screw rod along its length direction in the spout, the screw rod rotates with the lateral wall of operation panel to be connected, screw rod and grip block threaded connection, install first motor on the lateral wall of operation panel, the output shaft and the coaxial fixed of screw rod of first motor.

Through adopting above-mentioned technical scheme, first motor starts, drives the screw rod and rotates, and the screw rod drives the grip block through threaded connection again and moves back and forth along the length direction of spout, realizes pressing from both sides tightly and unclamping the work piece.

Preferably, the clamping block is rotatably connected with a rotating shaft, the rotating shaft is arranged along the length direction of the sliding groove, and the rotating shaft is provided with a first rubber pad used for being abutted against a workpiece towards the driving device.

Through adopting above-mentioned technical scheme, first rubber pad is convenient for support the work piece, and cooperation drive arrangement drives the work piece and rotates, and the difficult work piece that causes of first rubber pad damages simultaneously, and frictional force is also high, and the work piece is difficult for skidding.

Preferably, the driving device comprises support plates fixed on the top surface of the operating platform, the support plates are arranged oppositely along the width direction of the sliding groove, a worm is connected between the two support plates in a rotating mode, one of the support plates is provided with a second motor, an output shaft of the second motor is coaxially fixed with the worm, the driving device further comprises a fixing plate fixed on the operating platform, a rotating rod is connected on the fixing plate in a rotating mode along the length direction of the sliding groove, a second rubber pad abutted against a workpiece is fixed on the surface of the rotating rod, facing the clamping assembly, and a worm wheel meshed with the worm is fixed on the rotating rod.

By adopting the technical scheme, the second motor is started to drive the worm to rotate, the worm drives the worm wheel to rotate, the worm wheel drives the rotating rod to rotate, the workpiece is driven to rotate, and magnetic powder detection is facilitated.

Preferably, the driving device comprises a driving plate, a rotating shaft is rotatably connected to the driving plate along the length direction of the sliding groove, a third rubber pad abutted against the workpiece is fixed on the surface of the rotating shaft facing the clamping assembly, and a hand wheel is fixed at one end of the rotating shaft, which is far away from the clamping assembly.

Through adopting above-mentioned technical scheme, the hand wheel rotates, drives the rotation of the spiral shaft, and then drives the work piece and rotate, because manual control, when some position probably appears the defect, can in time slow down speed or gyration, is convenient for promote and detects the precision.

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

1. through the arrangement of the operating table, the driving device, the clamping assembly, the supporting piece and the V-shaped groove, the magnetic particle detection device has the effects that the axes of workpieces with the same size are conveniently superposed with the rotation center of the driving device, and the magnetic particle detection precision is improved;

2. through the setting of supporting sleeve, supporting shoe, compression spring and locking bolt, the V-arrangement groove height-adjusting of being convenient for adapts to different work piece sizes.

Drawings

Fig. 1 is a schematic structural view of the whole of embodiment 1 of the present application.

Fig. 2 is a schematic structural view of a drive device according to embodiment 1 of the present application.

Fig. 3 is a partially enlarged view of a portion B in fig. 2.

Fig. 4 is a partially enlarged view of a portion C in fig. 2.

Fig. 5 is a partially enlarged view of a portion a in fig. 1.

Fig. 6 is a schematic structural view of the whole body in embodiment 2 of the present application.

Fig. 7 is a partially enlarged view of a portion D in fig. 6.

Description of reference numerals: 1. an operation table; 11. a chute; 111. a card slot; 12. a first motor; 2. a drive device; 21. a support plate; 211. a worm; 212. a second motor; 22. a fixing plate; 221. a rotating rod; 222. a second rubber pad; 223. a worm gear; 23. a drive plate; 231. rotating the shaft; 232. a third rubber pad; 233. a hand wheel; 3. a clamping assembly; 31. a clamping block; 32. a rotating shaft; 321. a first rubber pad; 33. a screw; 34. a handle; 4. a support member; 41. a support sleeve; 411. a clamping block; 413. a compression spring; 414. locking the bolt; 42. a support block; 421. and a V-shaped groove.

Detailed Description

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

Example 1:

the embodiment of the application discloses magnetic particle testing centre gripping instrument.

Referring to fig. 1, the magnetic powder testing clamping instrument comprises an operating table 1, wherein a driving device 2 is arranged at one end of the operating table 1 along the length direction of the operating table, a sliding groove 11 is formed in the top surface of the operating table 1 along the length direction of the operating table, and a clamping assembly 3 is connected in the sliding groove 11 in a sliding mode and used for being matched with the driving device 2 to clamp a workpiece. A support 4 is slidably connected in the chute 11 for supporting the workpiece.

Referring to fig. 2 and 3, the driving device 2 includes support plates 21 fixed on the top surface of the operation table 1, the support plates 21 are disposed opposite to each other in the width direction of the chute 11, a worm 211 is rotatably connected between the two support plates 21, one of the support plates 21 is mounted with a second motor 212, and an output shaft of the second motor 212 is coaxially fixed with the worm 211. The driving device 2 further includes a fixed plate 22 fixed to the operation table 1, a rotating rod 221 is rotatably connected to the fixed plate 22 along the longitudinal direction of the slide groove 11, a second rubber pad 222 abutting against the workpiece is fixed to a surface of the rotating rod 221 facing the clamping unit 3, and a worm wheel 223 engaged with the worm 211 is fixed to the rotating rod 221.

Referring to fig. 2 and 4, the clamping assembly 3 includes a clamping block 31 and a rotating shaft 32, the clamping block 31 is slidably connected in the sliding groove 11, a screw 33 is rotatably connected to a side wall of the operating platform 1, and the screw 33 is closely located in the sliding groove 11 along a length direction of the sliding groove 11. The screw 33 is in threaded connection with the clamping block 31, the first motor 12 is mounted on the side wall of the operating platform 1, and an output shaft of the first motor 12 is coaxially fixed with the screw 33. A handle 34 is further fixed to an end of the screw 33 away from the first motor 12, so as to facilitate manual adjustment of the clamping block 31. The rotating shaft 32 is rotatably connected to the holding block 31, the rotating shaft 32 is disposed along the longitudinal direction of the chute 11, and the rotating shaft 32 is fixedly connected to the first rubber pad 321 for abutting against the workpiece toward the driving device 2.

Referring to fig. 1 and 5, a plurality of supporting members 4 are arranged along the length direction of the sliding chute 11, each supporting member 4 includes a supporting sleeve 41 and a supporting block 42, a clamping block 411 is integrally formed on the side wall of the supporting sleeve 41, the clamping block 411 is arranged at one end of the supporting sleeve 41 far away from the V-shaped groove 421, the clamping blocks 411 are arranged oppositely along the width direction of the sliding chute 11, a clamping groove 111 for the clamping groove 111 to slide is formed on the side wall of the sliding chute 11, and the clamping groove 111 is formed along the length direction of the sliding chute 11. The top wall of the supporting block 42 is provided with a V-shaped groove 421 for the workpiece to be clamped in, the top surface of the supporting sleeve 41 is provided with a sliding groove 11 along the vertical direction, the supporting block 42 is slidably connected in the sliding groove 11, and a compression spring (not shown in the figure) is arranged between the supporting block 42 and the bottom of the sliding groove 11. A locking bolt 414 is threadedly coupled to a side wall of the support sleeve 41, and the locking bolt 414 is located at one end of the support sleeve 41 facing the V-shaped groove 421.

The implementation process of the embodiment 1 of the application is as follows: the support sleeve 41 is slid to a proper position, the workpiece is placed on the V-shaped groove 421, the locking bolt 414 is released, the support block 42 jacks up the workpiece under the action of the compression spring, the operator presses the workpiece to align the center of the workpiece with the center of the second rubber pad 222, and then the locking bolt 414 is tightened.

Then, the first motor 12 is started to drive the screw 33 to rotate, and the screw 33 drives the clamping block 31 to move along the length direction of the chute 11 through threaded connection, so that the workpiece is clamped. Then the second motor 212 is started to drive the worm 211 to rotate, the worm 211 drives the worm wheel 223 to rotate, the worm wheel 223 drives the rotating rod 221 to rotate again, the workpiece is driven to rotate, and magnetic powder detection is facilitated.

Example 2:

Referring to fig. 6 and 7, the difference from embodiment 1 is that the driving device 2 is changed. The driving device 2 comprises a driving plate 23, a rotating shaft 231 is rotatably connected to the driving plate 23 along the length direction of the sliding chute 11, a third rubber pad 232 abutted against a workpiece is fixed on the surface of the rotating shaft 231 facing the clamping assembly 3, and a hand wheel 233 is fixed at one end, far away from the clamping assembly 3, of the rotating shaft 231.

The implementation process of the embodiment 2 of the application is as follows: after the workpiece is clamped, an operator rotates the hand wheel 233, and the hand wheel 233 drives the rotating shaft 231 to rotate, so that the workpiece is driven to rotate, and magnetic powder detection is facilitated.

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

Claims

1. The utility model provides a magnetic particle testing centre gripping instrument which characterized in that: the device comprises an operating platform (1), wherein a driving device (2) is arranged at one end of the operating platform (1) along the length direction of the operating platform, a sliding chute (11) is arranged on the operating platform (1) along the length direction of the operating platform, and a clamping assembly (3) is connected in the sliding chute (11) in a sliding manner;

sliding connection has support piece (4) in spout (11), V-arrangement groove (421) of placing the work piece are seted up at the top of support piece (4), support piece (4) are equipped with a plurality ofly along the length direction of spout (11).

2. The magnetic particle testing and clamping instrument of claim 1, wherein: the supporting piece (4) comprises a supporting sleeve (41) and a supporting block (42), a sliding groove (11) is formed in the top surface of the supporting sleeve (41) in the vertical direction, the supporting block (42) is connected in the sliding groove (11) in a sliding mode, a V-shaped groove (421) is formed in the top wall of the supporting block (42), and a compression spring (413) is arranged between the supporting block (42) and the bottom of the sliding groove (11).

3. The magnetic particle testing and clamping instrument of claim 2, wherein: the side wall of the support sleeve (41) is in threaded connection with a locking bolt (414), and the locking bolt (414) is located at one end, facing the V-shaped groove (421), of the support sleeve (41).

4. The magnetic particle testing and clamping instrument of claim 3, wherein: the side wall of the support sleeve (41) is provided with a fixture block (411), the fixture block (411) is arranged at one end, far away from the V-shaped groove (421), of the support sleeve (41), the fixture block (411) is oppositely arranged along the width direction of the sliding groove (11), the side wall of the sliding groove (11) is provided with a clamping groove (111) for the clamping groove (111) to slide, and the clamping groove (111) is arranged along the length direction of the sliding groove (11).

5. The magnetic particle testing and clamping instrument of claim 1, wherein: centre gripping subassembly (3) include grip block (31), grip block (31) sliding connection is in spout (11), be equipped with screw rod (33) along its length direction in spout (11), screw rod (33) rotate with the lateral wall of operation panel (1) and be connected, screw rod (33) and grip block (31) threaded connection, install first motor (12) on the lateral wall of operation panel (1), the output shaft and the coaxial fixed of screw rod (33) of first motor (12).

6. The magnetic particle testing and clamping instrument of claim 5, wherein: the last rotation of grip block (31) is connected with pivot (32), the length direction setting of spout (11) is followed in pivot (32), pivot (32) are equipped with towards drive arrangement (2) and are used for with first rubber pad (321) of work piece butt.

7. The magnetic particle testing and clamping instrument of claim 1, wherein: drive arrangement (2) are including being fixed in extension board (21) on operation panel (1) top surface, extension board (21) set up along the width direction of spout (11) relatively, two it is connected with worm (211) to rotate between extension board (21), one of them install second motor (212) on extension board (21), the output shaft and the worm (211) coaxial fixed of second motor (212), drive arrangement (2) still including being fixed in fixed plate (22) on operation panel (1), it is connected with bull stick (221) to rotate along the length direction of spout (11) on fixed plate (22), bull stick (221) towards the fixed surface of centre gripping subassembly (3) have with the second rubber pad (222) of work piece butt, be fixed with worm wheel (223) with worm (211) meshing on bull stick (221).

8. The magnetic particle testing and clamping instrument of claim 1, wherein: drive arrangement (2) include drive plate (23), the length direction rotation along spout (11) is connected with swivel axis (231) on drive plate (23), swivel axis (231) are fixed with third rubber pad (232) with the work piece butt on the surface towards centre gripping subassembly (3), the one end that centre gripping subassembly (3) was kept away from in swivel axis (231) is fixed with hand wheel (233).