CN219682940U

CN219682940U - Uniform spraying mechanism for surface coupling agent for TOFD detection

Info

Publication number: CN219682940U
Application number: CN202320743280.XU
Authority: CN
Inventors: 韩晓耕; 田文文; 管华礼; 吴云; 黄欣
Original assignee: Tianjin Xinwei Examination & Testing Technology Co ltd
Current assignee: Tianjin Xinwei Examination & Testing Technology Co ltd
Priority date: 2023-04-07
Filing date: 2023-04-07
Publication date: 2023-09-15
Anticipated expiration: 2033-04-07

Abstract

The utility model belongs to the technical field of TOFD detection, in particular to a surface couplant uniform spraying mechanism for TOFD detection, which comprises a spraying machine with a couplant spraying function, wherein a driving device is arranged on the surface of the spraying machine. This TOFD detects with even spraying mechanism of surface couplant, through setting up at flush coater's surface mounting protector, baffle in utilizing protector shelters from the lower extreme of flush coater, when avoiding external factor to interfere flush coater use, collect the adhesion to the oversized couplant of spraying angle, and retrieve the couplant of baffle surface drip, simultaneously, utilize the design of the directional trompil of baffle surface, make not only have the effect that reduces baffle surface windage, simultaneously with the air current through the directional discharge in both ends of baffle of air outlet tank, thereby avoid influencing the use of baffle middle part flush coater, thereby make have the TOFD that detects with the surface couplant of being convenient for carry out even spraying's characteristics.

Description

Uniform spraying mechanism for surface coupling agent for TOFD detection

Technical Field

The utility model relates to the technical field of TOFD (time of flight diffraction) detection, in particular to a surface couplant uniform spraying mechanism for TOFD detection.

Background

The TimeOfFlightDiffracting ultrasonic wave diffraction time difference method is a method for detecting defects by means of diffraction energy obtained from the end angle and end point of the internal structure (mainly referred to as defects) of a test piece to be detected, and is used for detecting, quantifying and positioning the defects; before detection, the couplant needs to be sprayed on the surface of the object to be detected, so that the object to be detected can be conveniently and effectively sprayed.

The surface couplant spraying machine (publication number: CN 216936658U) for TOFD detection disclosed on Chinese patent website solves the technical problems that the traditional spraying equipment for TOFD detection can not uniformly spray the surface of a detected object, is unfavorable for the accuracy of detection data, and can not effectively fix the detected object when spraying, so that the detected object can possibly displace when spraying to cause uneven spraying, but still has the following problems:

when the spraying machine is used, in order to improve the spraying efficiency of the spraying machine, a certain interval is required to be kept between the spraying machine and an object to be detected, but the overlong interval ensures that the sprayed couplant has overlong air flight time, is further easily interfered by factors such as external air flow and the like, ensures that the spraying on the surface of the object to be detected is uneven, and the outward spraying of part of couplant can also fall on the surface of a machine base, so that a large amount of couplant is wasted, and the use is inconvenient

Disclosure of Invention

Based on the technical problem that the existing surface couplant spraying machine for TOFD detection is inconvenient to use, the utility model provides a uniform spraying mechanism for the surface couplant for TOFD detection.

The utility model provides a surface couplant uniform spraying mechanism for TOFD detection, which comprises a spraying machine with a couplant spraying function, wherein a driving device is arranged on the surface of the spraying machine, the driving device comprises a machine base and a driving motor, a protecting device is arranged on the surface of the spraying machine, and the protecting device recovers the couplant splashed at the lower end of the spraying machine and reduces the influence of external environment on the use of the spraying machine.

Preferably, the protection device comprises a baffle, the upper end of the baffle is fixedly connected with two sides of the lower surface of the spraying machine, the opposite surfaces of the two baffles are inclined outwards, and the inner side surfaces of the baffles are used for adhering the couplant.

Through above-mentioned technical scheme, utilize and be outside extension form with two baffles in the lower extreme of flush coater to the baffle is convenient for avoid the baffle to influence the use of flush coater.

Preferably, the air vent grooves are formed in the outer side surface of the baffle, the air vent grooves are distributed in a mesh shape on the surface of the baffle, the air cavity is formed in the baffle, the air outlet grooves are formed in the surfaces of the two ends of the inner side of the baffle, and the inner parts of the air outlet grooves are communicated with the inner parts of the air vent grooves through the air cavity.

Through the technical scheme, the ventilation groove is communicated with the air outlet groove, so that the air resistance of the baffle plate during operation is reduced.

Preferably, the center of the lower surface of the baffle plate is in an upward shrinkage shape, the inner side surface of the lower end of the baffle plate is fixedly connected with a guide plate, and the shape of the guide plate is matched with the lower surface of the baffle plate.

Through the technical scheme, the couplant sliding on the inner wall of the baffle is guided by the guide plate, so that the couplant collected on the surface of the baffle can slide to the two ends of the baffle conveniently.

Preferably, the upper end surface mounting of frame has the slide rail, driving motor's surface mounting has the slider, the upper end surface of slider passes through fixture block and spout sliding connection with the lower extreme surface of slide rail, the upper end rotation of slider is connected with the rotation axis, the both ends of rotation axis are all fixedly connected with gear, the surface of gear meshes with the upper surface of slide rail.

Through the technical scheme, the driving motor is utilized to provide power for sliding of the gear, so that the rotating shaft can conveniently reciprocate at the upper end of the machine base.

Preferably, one of the gears is in transmission connection with a rotating shaft of the driving motor through a transmission wheel and a belt, and opposite surfaces of the two sliding blocks are fixedly connected with two ends of the spraying machine respectively.

Through the technical scheme, the spraying machine and the sliding block are installed and connected, so that the spraying machine can be driven to reciprocate on the surface of the machine base conveniently.

Preferably, the surface of the machine base is fixedly inserted with a recovery pipe, the section of the recovery pipe is in a lower semicircle ring shape, and two ends of the baffle are positioned right above the recovery pipe.

Through above-mentioned technical scheme, utilize the recovery pipe to collect the couplant of baffle lower extreme whereabouts to be convenient for carry out recycle to the couplant.

The beneficial effects of the utility model are as follows:

through setting up at flush coater's surface mounting protector, utilize the baffle among the protector to shelter from the lower extreme of flush coater, when avoiding external factor to interfere flush coater use, collect the adhesion to the oversized couplant of spraying angle, and retrieve the couplant of baffle surface drip, simultaneously, utilize the design of the directional trompil of baffle surface, make not only have the effect that reduces baffle surface windage, simultaneously with the air current through the both ends directional discharge of baffle of air outlet tank, and then avoid influencing the use of baffle middle part flush coater, thereby make have the TOFD that is convenient for detect and carry out even spraying with the surface couplant.

Drawings

Fig. 1 is a schematic diagram of a surface couplant uniform spraying mechanism for TOFD detection according to the present utility model;

fig. 2 is a perspective view of a baffle structure of a uniform spraying mechanism of a surface couplant for TOFD detection according to the present utility model;

fig. 3 is a cross-sectional view of a baffle structure of a uniform spraying mechanism of a surface couplant for TOFD detection according to the present utility model;

fig. 4 is a perspective view of a rotating shaft structure of a uniform spraying mechanism for a surface couplant for TOFD detection according to the present utility model.

In the figure: 1. a spraying machine; 2. a base; 3. a driving motor; 4. a protective device; 41. a baffle; 42. a vent groove; 43. an air cavity; 44. an air outlet groove; 45. a deflector; 5. a slide rail; 6. a slide block; 7. a rotation shaft; 8. a gear; 9. and (5) recycling the pipe.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1-4, a surface couplant uniform spraying mechanism for TOFD detection comprises a spraying machine 1 with a couplant spraying function, wherein a driving device is arranged on the surface of the spraying machine 1 and comprises a machine base 2 and a driving motor 3, a protecting device 4 is arranged on the surface of the spraying machine 1, and the protecting device 4 recovers the couplant splashed at the lower end of the spraying machine 1 and reduces the influence of external environment on the use of the spraying machine 1.

In order to protect spraying range, set up protector 4 and include baffle 41, the upper end of baffle 41 and flush coater 1's lower surface both sides fixed connection, the opposite surfaces of two baffles 41 all are outside slope form, the inboard surface of baffle 41 carries out the adhesion to the couplant, utilize to be outside extension form with two baffles 41 at flush coater 1's lower extreme, thereby be convenient for avoid baffle 41 to influence flush coater 1's use, vent groove 42 has been seted up on baffle 41's outside surface, a plurality of vent grooves 42 are the mesh form on baffle 41's surface and distribute, air cavity 43 has been seted up to baffle 41's inside, vent groove 44 has been seted up to baffle 41's inboard both ends surface, the inside of vent groove 44 and vent groove 42's inside are through air cavity 43 intercommunication, utilize to communicate vent groove 42 and vent groove 44, thereby be convenient for reduce the air resistance that baffle 41 received when the operation.

In order to retrieve the couplant, be the shrink form that upwards is in the lower surface center department of baffle 41, the inboard fixed surface of lower extreme of baffle 41 is connected with guide plate 45, guide plate 45's shape and baffle 41's lower surface adaptation utilize guide plate 45 to carry out the water conservancy diversion to the couplant of baffle 41 inner wall landing, thereby be convenient for with the couplant landing of baffle 41 surface collection to baffle 41's both ends, the fixed surface grafting of frame 2 has recovery pipe 9, recovery pipe 9's cross-section is lower semicircle ring-shaped, baffle 41's both ends are located recovery pipe 9 directly over, utilize recovery pipe 9 to collect the couplant of baffle 41 lower extreme whereabouts, thereby be convenient for carry out recycle to the couplant.

Through setting up the surface mounting protector 4 at flush coater 1, baffle 41 in utilizing protector 4 shelters from flush coater 1's lower extreme, when avoiding external factor to interfere flush coater 1 to use, collect the adhesion to the oversized couplant of spraying angle, and retrieve the couplant of baffle 41 surface drip, simultaneously, utilize the design of the directional trompil of baffle 41 surface, make not only have the effect that reduces baffle 41 surface windage, simultaneously with the air current through the directional discharge in both ends of baffle 41 of air outlet groove 44, and then avoid influencing the use of baffle 41 middle part flush coater 1, thereby make have the characteristics that TOFD detects with the surface couplant of being convenient for carries out even spraying.

In order to drive the spraying machine 1, a sliding rail 5 is arranged on the upper end surface of the machine base 2, a sliding block 6 is arranged on the surface of the driving motor 3, the upper end surface of the sliding block 6 is in sliding connection with the lower end surface of the sliding rail 5 through a clamping block and a sliding groove, a rotating shaft 7 is rotationally connected to the upper end of the sliding block 6, two ends of the rotating shaft 7 are fixedly connected with gears 8, the surfaces of the gears 8 are meshed with the upper surface of the sliding rail 5, the driving motor 3 is utilized to provide power for sliding of the gears 8, so that the rotating shaft 7 can conveniently reciprocate on the upper end of the machine base 2, one gear 8 is connected with a rotating shaft of the driving motor 3 through a transmission wheel and a belt, the opposite surfaces of the two sliding blocks 6 are fixedly connected with the two ends of the spraying machine 1 respectively, and the spraying machine 1 and the sliding block 6 are in installation connection, so that the spraying machine 1 can be conveniently driven to reciprocate on the surface of the machine base 2.

Working principle:

when the spraying machine is used, an object to be detected is placed at the lower end of the machine base 2, the installation and the clamping are carried out, the driving motor 3 and the spraying machine 1 are started, the spraying machine 1 sprays a coupling agent on the surface of the object to be detected downwards, part of the coupling agent splashed is adhered to the surface of the baffle 41, in the process that the driving device drives the spraying machine 1 to move, the baffle 41 moves along with the spraying machine 1, when the spraying machine 1 moves, the surface of the baffle 41 positioned at the front end is subjected to wind resistance, and air flow enters the air cavity 43 from the ventilation groove 42 and is discharged outwards through the air outlet groove 44;

after a large amount of coupling agent is adhered to the surface of the baffle 41, the coupling agent on the inner side surface of the baffle 41 slides down on the surface of the deflector 45 and continuously drops down through the deflector 45, and finally falls into the recovery pipe 9 to be collected.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The utility model provides a TOFD detects with even spraying mechanism of surface couplant, includes flush coater (1) that has couplant spraying function, the surface mounting of flush coater (1) has drive arrangement, drive arrangement includes frame (2) and driving motor (3), its characterized in that: the surface mounting of flush coater (1) has protector (4), protector (4) reduce the influence that external environment used flush coater (1) when retrieving couplant that flush coater (1) lower extreme splashes, protector (4) include baffle (41), the upper end of baffle (41) and the lower surface both sides fixed connection of flush coater (1), two the opposite surfaces of baffle (41) all are outside slope form, the inboard surface of baffle (41) adheres to the couplant, ventilation groove (42) have been seted up to the outside surface of baffle (41), a plurality of ventilation groove (42) are the mesh form and distribute at the surface of baffle (41), air cavity (43) have been seted up to the inside of baffle (41), air vent (44) have been seted up on the inboard both ends surface of baffle (41), the inside of air vent (44) and the inside of ventilation groove (42) are through air cavity (43) intercommunication.

2. The uniform spraying mechanism for the surface couplant for TOFD detection according to claim 1, wherein: the center of the lower surface of the baffle plate (41) is in an upward shrinkage shape, a guide plate (45) is fixedly connected to the inner side surface of the lower end of the baffle plate (41), and the shape of the guide plate (45) is matched with the lower surface of the baffle plate (41).

3. The uniform spraying mechanism for the surface couplant for TOFD detection according to claim 1, wherein: the upper end surface mounting of frame (2) has slide rail (5), the surface mounting of driving motor (3) has slider (6), the upper end surface of slider (6) passes through fixture block and spout sliding connection with the lower extreme surface of slide rail (5), the upper end rotation of slider (6) is connected with rotation axis (7), the equal fixedly connected with gear (8) in both ends of rotation axis (7), the surface of gear (8) meshes with the upper surface of slide rail (5).

4. A surface couplant uniform spraying mechanism for TOFD detection according to claim 3 and wherein: one of the gears (8) is in transmission connection with a rotating shaft of the driving motor (3) through a transmission wheel and a belt, and the opposite surfaces of the two sliding blocks (6) are fixedly connected with two ends of the spraying machine (1) respectively.

5. The uniform spraying mechanism for the surface couplant for TOFD detection according to claim 2, wherein: the surface of the machine base (2) is fixedly inserted with a recovery pipe (9), the section of the recovery pipe (9) is in a lower semicircular shape, and two ends of the baffle plate (41) are positioned right above the recovery pipe (9).