CN210314413U

CN210314413U - Ultrasonic stress relief machine

Info

Publication number: CN210314413U
Application number: CN201921153318.8U
Authority: CN
Inventors: 夏仲琪
Original assignee: Wuxi Tianxia Ultrasonic Equipment Co ltd
Current assignee: Wuxi Tianxia Ultrasonic Equipment Co ltd
Priority date: 2019-07-22
Filing date: 2019-07-22
Publication date: 2020-04-14
Anticipated expiration: 2029-07-22

Abstract

The utility model discloses an ultrasonic wave stress relief machine belongs to the ultrasonic equipment field. The ultrasonic stress relief machine comprises: the vibration mechanism comprises a front shell and a rear cover which are fixedly connected through threads, an ultrasonic assembly is arranged in the rear cover and comprises an ultrasonic transducer, the ultrasonic transducer is connected with an ultrasonic tool head, and the ultrasonic tool head penetrates through the front shell and is connected with a steel needle; the nail hitting mechanism is detachably arranged at one end of the vibrating mechanism and comprises a box body and a plurality of hitting nails, a plurality of holes are formed in one end face of the box body, nail heads of the hitting nails penetrate through one end of the box body through holes, nail caps of the hitting nails are left inside the box body, and needle holes are formed in the other end of the box body. The utility model provides a pair of in ultrasonic wave stress relief machine, vibration mechanism drives hit nail mechanism, can carry out stress relief work to the surface of structure, eliminate the residual stress who remains on the structure surface, improve performance such as intensity, the corrosion resistance of structure.

Description

Ultrasonic stress relief machine

Technical Field

The utility model relates to an ultrasonic equipment technical field, in particular to ultrasonic wave stress relief machine.

Background

Welding, also known as fusion, welding, is a manufacturing process and technique for joining metals or other thermoplastic materials, such as plastics, in a heated, high temperature or high pressure manner. Welding accomplishes the purpose of joining by three ways:

fusion welding, heating the workpieces to be jointed to partially melt the workpieces to form a molten pool, and joining the workpieces after the molten pool is cooled and solidified.

Pressure welding, which is the process of processing various metal materials and partial metal materials, wherein pressure must be applied to a welding piece in the welding process.

And brazing, namely using a metal material with a melting point lower than that of the base metal as brazing filler metal, wetting the base metal by using the liquid brazing filler metal, filling a joint gap, and mutually diffusing the liquid brazing filler metal and the base metal to realize a link weldment. The welding device is suitable for welding various materials and also suitable for welding different metals or different materials.

The energy sources for modern welding are many, including gas flame, electric arc, laser, electron beam, friction, and ultrasonic, among others. In addition to use in a factory, welding can be performed in a variety of environments, such as the field, underwater, and space. Wherever welding can be dangerous for the operator, appropriate precautions must be taken while welding is being performed. The possible injuries to human body caused by welding include burn, electric shock, visual impairment, toxic gas inhalation, over-irradiation of ultraviolet rays, etc.

However, residual stress is usually present in the structural member after welding production, and has a certain influence on the strength of the structural member; particularly, when the device works in special environments, such as certain corrosive working environments, the probability of generating stress corrosion cracking is high, so that the service life of the device is obviously shortened.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an ultrasonic stress relief machine to solve the problems that the welding structural part usually has residual stress and has certain influence on the strength of the structural part; particularly, when the device works in special environments, such as certain corrosive working environments, the probability of stress corrosion cracking is high, and the service life of the device is affected.

In order to solve the technical problem, the utility model provides an ultrasonic wave stress relief machine, include:

the vibration mechanism comprises a front shell and a rear cover which are fixedly connected through threads, an ultrasonic assembly is arranged in the rear cover and comprises an ultrasonic transducer, the ultrasonic transducer is connected with an ultrasonic tool head, and the ultrasonic tool head penetrates through the front shell and is connected with a steel needle;

the nail hitting mechanism is detachably arranged at one end of the vibrating mechanism and comprises a box body and a plurality of hitting nails, a plurality of holes are formed in one end face of the box body, nail heads of the hitting nails penetrate through one end of the box body through holes, nail caps of the hitting nails are reserved inside the box body, and needle holes are formed in the other end of the box body.

Optionally, the box body comprises a first box body and a second box body which are detachably connected with each other; the nail head penetrates through the first box body.

Optionally, the pinhole is opened at one end of the second box body.

Optionally, a top block is arranged in the second box body, and a first blocking shoulder used for blocking the top block is arranged on the inner side of the second box body.

Optionally, the ultrasonic assembly further comprises an adjusting nut in threaded connection with the outer surface of the ultrasonic transducer, and a baffle ring fixedly connected to the outer surface of the ultrasonic transducer; the inner surface of the rear cover is connected with a locking nut through threads, the end face of the locking nut is provided with a plurality of connecting holes, locking screws are connected in the connecting holes, and a second retaining shoulder is further arranged in the rear cover.

Optionally, an annular groove is formed in the second retaining shoulder, and an O-ring is arranged in the annular groove.

Optionally, the rear cover is connected with a handle, and the handle is provided with a press switch.

Optionally, the end of the rear cover is connected with an end cap.

Optionally, a sealing ring is disposed between the front housing and the ultrasonic tool head.

The utility model provides a pair of ultrasonic wave stress relief machine has beneficial effect is:

(1) the vibration mechanism drives the nail hitting mechanism, so that stress eliminating work can be performed on the surface of the structural member, residual stress remained on the surface of the structural member is eliminated, and the strength, the corrosion resistance and other performances of the structural member are improved;

(2) the nail hitting mechanism is detachably arranged at one end of the vibrating mechanism and comprises a box body and a plurality of hitting nails, a plurality of holes are formed in one end face of the box body, nail heads of the hitting nails penetrate through one end of the box body through holes, nail caps of the hitting nails are reserved inside the box body, and needle holes are formed in the other end of the box body. The collision nail replaces a steel ball used by a traditional shot blasting machine, and the defects that the steel ball is not easy to collect and is easy to lose are avoided.

Drawings

Fig. 1 is a schematic structural view of an ultrasonic stress relief machine provided by the present invention;

FIG. 2 is a schematic structural view of the staple striking mechanism;

fig. 3 is a partially enlarged view of fig. 1.

Detailed Description

The ultrasonic stress relief machine provided by the present invention is further described in detail below with reference to the accompanying drawings and specific embodiments. The advantages and features of the present invention will become more fully apparent from the following description and appended claims. It should be noted that the drawings are in simplified form and are not to precise scale, and are provided for convenience and clarity in order to facilitate the description of the embodiments of the present invention.

Example one

The utility model provides an ultrasonic stress relief machine, as shown in figure 1, comprising a vibration mechanism 1 and a nail striking mechanism 2;

specifically, the vibration mechanism 1 comprises a front housing 10 and a rear housing 11 which are fixedly connected through threads, an ultrasonic assembly 12 is arranged in the rear housing 11, the ultrasonic assembly 12 comprises an ultrasonic transducer 13, the ultrasonic transducer 13 is connected with an ultrasonic tool bit 14, the ultrasonic tool bit 14 penetrates through the front housing 10 and is connected with a steel needle 15, and a sealing ring 4 is arranged between the front housing 10 and the ultrasonic tool bit 14; the rear cover 11 is connected with a handle 3, and a press switch 30 is arranged on the handle 3 and used for controlling the on/off of the ultrasonic transducer 13. The end of the rear cover 11 is connected with an end cap 26.

The ultrasonic assembly 12 further comprises an adjusting nut 16 threadedly coupled to an outer surface of the ultrasonic transducer 13 for adjusting a protruding length of the ultrasonic tool bit 14 with respect to the front housing 10, and a retainer ring 17 fixedly coupled to the outer surface of the ultrasonic transducer 13; the inner surface of the rear cover 11 is connected with a locking nut 18 through threads, the end surface of the locking nut 18 is provided with a plurality of connecting holes 19, and locking screws (not shown in the figure) are connected in the connecting holes 19, so that the locking nut 18 can be conveniently installed and detached by using a special wrench, the position of the transducer 13 can be adjusted, and the extension length of the ultrasonic tool head 14 can be adjusted; a second retaining shoulder 24 is further arranged in the rear cover 11, and the ultrasonic transducer 13 is fixed and limited in the rear cover 11 under the combined action of the second retaining shoulder 24, the adjusting nut 16 and the retaining ring 17. An annular groove is formed in the second blocking shoulder 24, and an O-ring 25 is arranged in the annular groove, please refer to fig. 3.

The nail striking mechanism 2 is detachably arranged at one end of the vibration mechanism 1, referring to fig. 2, the nail striking mechanism 2 comprises a box body and a plurality of striking nails 21, nail heads 210 of the striking nails 21 penetrate through one end of the box body through holes, nail caps 211 of the striking nails 21 are left in the box body, and needle holes 212 are formed in the other end of the box body. The box body comprises a first box body 201 and a second box body 202 which are detachably connected; the head 210 of the stud 21 passes through the first case 201. The pin hole 212 is formed at one end of the second container 202. The second box body 202 is internally provided with a top block 23, the inner side of the second box body 202 is provided with a first retaining shoulder 22 for blocking the top block 23, and the area of the end surface of the top block 23 is not less than the total area of the top caps 211. The ejector block 23 is blocked by the first retaining shoulder 22, the nail cap 211 of the impact nail 21 is blocked by the ejector block 23, the impact nail 21 is prevented from flying out during working, the problem that steel balls fly out and are not collected well when the traditional shot blasting machine is used is avoided, and the processing cost is reduced.

During the use, at first adjust adjusting nut 16 with lock nut 17, the adjustment ultrasonic wave instrument head 14's the extended position, the equipment procapsid 10 and back shroud 11 will hit nail mechanism 2 can dismantle the connection in the one end of vibration mechanism 1 to aim at the structure surface that needs the removal stress, press switch 30, ultrasonic wave stress relief machine begins work, ultrasonic wave instrument head 14's nodal plane produces the vibration shock wave, and under the effect of negative pressure, make steel needle reciprocating motion, the surface of striking structure, can accomplish and eliminate residual stress work simultaneously.

The above description is only for the preferred embodiment of the present invention and is not intended to limit the scope of the present invention, and any modification and modification made by those skilled in the art according to the above disclosure are all within the scope of the claims.

Claims

1. An ultrasonic stress relief machine, comprising:

the vibration mechanism (1) comprises a front shell (10) and a rear cover (11), the front shell and the rear cover are fixedly connected through threads, an ultrasonic assembly (12) is arranged in the rear cover (11), the ultrasonic assembly (12) comprises an ultrasonic transducer (13), the ultrasonic transducer (13) is connected with an ultrasonic tool head (14), and the ultrasonic tool head (14) penetrates through the front shell (10) and is connected with a steel needle (15);

the nail hitting mechanism (2) is detachably arranged at one end of the vibrating mechanism (1), the nail hitting mechanism (2) comprises a box body and a plurality of hitting nails (21), nail heads (210) of the hitting nails (21) penetrate through one end of the box body through holes, and nail caps (211) of the hitting nails (21) are left in the box body; the other end of the box body is provided with a pinhole (212).

2. An ultrasonic stress relief machine according to claim 1, wherein the box comprises a first box (201) and a second box (202) which are detachably connected; the nail head (210) penetrates through the first box body (201).

3. An ultrasound stress relief machine according to claim 2, characterized in that said pinhole (212) is open at one end of said second box (202).

4. An ultrasonic stress relief machine according to claim 2, characterized in that a top block (23) is arranged in the second box (202), and a first stop shoulder (22) for stopping the top block (23) is arranged inside the second box (202).

5. An ultrasonic stress relief machine according to claim 1, wherein the ultrasonic assembly (12) further comprises an adjusting nut (16) in threaded connection with the outer surface of the ultrasonic transducer (13), and a retainer ring (17) fixedly connected to the outer surface of the ultrasonic transducer (13); rear cover (11) internal surface has lock nut (18) through threaded connection, open the terminal surface of lock nut (18) has a plurality of connecting hole (19), connecting hole (19) in-connection has locking screw, still be equipped with the second in rear cover (11) and keep off shoulder (24).

6. An ultrasonic stress relief machine according to claim 5, wherein the second stop shoulder (24) is provided with an annular groove, and an O-ring (25) is arranged in the annular groove.

7. An ultrasonic stress relief machine according to claim 1, wherein a handle (3) is connected to the rear cover (11), and a push switch (30) is provided on the handle (3).

8. An ultrasound stress relief machine according to claim 1, characterized in that the end of the back cover (11) is connected with an end cap (26).

9. An ultrasonic stress relief machine according to claim 1, wherein a sealing ring (4) is provided between the front housing (10) and the ultrasonic tool head (14).