CN205290057U

CN205290057U - Ultrasonic transducer fixed establishment

Info

Publication number: CN205290057U
Application number: CN201521081001.XU
Authority: CN
Inventors: 程振峰
Original assignee: Suzhou Recen Precision Machinery Co Ltd
Current assignee: Suzhou Recen Precision Machinery Co Ltd
Priority date: 2015-12-23
Filing date: 2015-12-23
Publication date: 2016-06-08
Anticipated expiration: 2025-12-23

Abstract

The utility model provides an ultrasonic transducer fixed establishment, including supersonic generator and transducer, supersonic generator with the transducer is connected, and it still includes a fixing base, be equipped with a through -hole in the fixing base, the transducer is located in the through -hole, be equipped with a retainer ring in the fixing base, the centre gripping ring grip is in the amplitude is zero node position during the transducer vibration. This ultrasonic transducer fixed establishment sets up the retainer ring in the fixing base to position centre gripping amplitude when the transducer vibrates of retainer ring is zero node position, and when the transducer vibrated, the position of retainer ring centre gripping can produce any vibration hardly like this, just so can effectively reduce the energy loss of transducer, improves the work efficiency of welding machine.

Description

Ultrasonic transducer fixed mechanism

Technical field

This utility model relates to ultrasonic metal welding field, particularly to a kind of transducer fixed mechanism on ultrasonic metal bonding machine.

Background technology

Ultrasonic bonding is a kind of body surface utilizing dither wave loops to two need to weld, when pressurization, and the fusion method making two body surface phase mutual friction and being formed between molecular layer. 50/60 hertz of electric current is operationally converted to 15,20,30 or 40KHz electric energy by supersonic generator by ultrasonic welding machine. The high-frequency electrical energy being converted is again converted to the mechanical movement into equal frequencies by transducer, and mechanical movement subsequently is delivered on soldering tip by the amplitude rod devices on transducer. The vibrational energy received is delivered to the junction surface of workpiece to be welded by soldering tip, and in this region, vibrational energy is converted to heat energy by friction mode, the surface of the work fusing that will weld, and then two workpiece can be made to weld together.

The primary clustering of a set of ultrasonic welding system includes supersonic generator, transducer, soldering tip three part, and supersonic generator, transducer, soldering tip are sequentially connected with, wave producer, and transducer, soldering tip are fixed by frame. In order to by wave producer, transducer, soldering tip are fixed in frame, a snap ring would generally be respectively provided with at the forward and backward two ends of transducer in the prior art, by snap ring, transducer is fixed in frame. Transducer is for converting electrical energy into the mechanical movement doing rectilinear motion, while transducer drives soldering tip to do mechanical vibration, the snap ring inevitably driving its two ends vibrates together, although snap ring has elasticity, but still energy can be absorbed and cause energy loss, the efficiency of whole welding system thus can be made to reduce.

Utility model content

The shortcoming of prior art in view of the above, the purpose of this utility model is in that to provide a kind of ultrasonic transducer fixed mechanism that can effectively reduce transducer energy loss.

For achieving the above object and other relevant purposes, this utility model provides a kind of ultrasonic transducer fixed mechanism, including supersonic generator and transducer, described supersonic generator is connected with described transducer, it also includes a fixing seat, is provided with a through hole in described fixing seat, and described transducer is positioned at described through hole, being provided with a holding ring in described fixing seat, it is the node location of zero that described holding ring is clipped in amplitude during described transducer vibrations.

Preferably, described fixing seat be divided into semifixed seat and under semifixed seat two parts, described semifixed seat with described under semifixed seat be connected by screw.

Preferably, described semifixed seat, under semifixed seat inner peripheral surface on be equipped with an arc convex tendon, described semifixed seat, under after semifixed seat connects, described semifixed seat, under arc convex tendon combination on semifixed seat form described holding ring.

Preferably, the inner peripheral surface of described fixing seat is provided with groove, and described holding ring is stuck in described groove.

Preferably, it is provided with vibration isolation rubber between described holding ring and described transducer.

As mentioned above, ultrasonic transducer fixed mechanism of the present utility model has the advantages that this ultrasonic transducer fixed mechanism arranges holding ring in fixing seat, and it is the node location of zero that the position of holding ring is clamped in amplitude during transducer vibrations, so when transducer vibrations, the position of holding ring clamping produces any vibration hardly, thus can effectively reduce the energy loss of transducer, improve the work efficiency of bonding machine.

Accompanying drawing explanation

Fig. 1 is the structural representation of this utility model embodiment.

Element numbers explanation

1, supersonic generator 2, transducer 3, fixing seat 4, holding ring.

Detailed description of the invention

By particular specific embodiment, embodiment of the present utility model being described below, those skilled in the art the content disclosed by this specification can understand other advantages of the present utility model and effect easily.

Refer to Fig. 1. Notice, the structure of this specification institute accompanying drawings depicted, ratio, size etc., all only in order to coordinate the disclosed content of description, understand for those skilled in the art and read, it is not limited to the enforceable qualifications of this utility model, therefore do not have technical essential meaning, the adjustment of the modification of any structure, the change of proportionate relationship or size, under not affecting effect that this utility model can be generated by and the purpose that can reach, all should still drop on the disclosed technology contents of this utility model and obtain in the scope that can contain. Simultaneously, in this specification cited as " on ", D score, "left", "right", " centre " and " one " etc. term, it is merely convenient to understanding of narration, and it is not used to limit the enforceable scope of this utility model, the change of its relativeness or adjustment, changing under technology contents without essence, when being also considered as the enforceable category of this utility model.

As shown in Figure 1, this utility model provides a kind of ultrasonic transducer fixed mechanism, this rack construction includes supersonic generator 1 and transducer 2, supersonic generator 1 is connected with transducer 2, supersonic generator 1 is for converting 50/60 hertz of electric current to 15,20,30 or 40KHz electric energy, and transducer 2 can convert electrical energy into the mechanical movement becoming equal frequencies. Transducer 2 realizes the electric energy conversion to mechanical energy mainly by the piezoelectric effect of some single crystal material and the electrostriction effect of some polycrystalline material. Transducer 2 is positioned at a fixing seat 3, and fixing seat 3 is provided with a through hole, and transducer 2 is positioned at this through hole. Being additionally provided with a holding ring 4 in through hole, holding ring 4 is used for clamping transducer 2, and it is the node location of zero that the position of holding ring 4 clamping is positioned at amplitude during transducer vibrations. Holding ring is clamped in the node location that transducer vibrational amplitude is zero, and such transducer would not drive holding ring together to vibrate in vibration processes, thus can effectively reduce the energy loss of bonding machine.

As a kind of optimal way, fixing seat 3 can be divided into upper semifixed seat and under semifixed seat two parts, upper semifixed seat with under semifixed seat be connected by screw, so can facilitate the installation of holding ring and transducer, particularly be easy to holding ring position adjustments on the transducer.

As a kind of detailed description of the invention, groove can be provided with on the inner peripheral surface of fixing seat 3, holding ring 4 is stuck in groove holding ring is positioned. Another kind of embodiment as this patent, can upper semifixed seat and under semifixed seat inner peripheral surface on be respectively provided with an arc convex tendon, upper semifixed seat with under arc convex tendon position on semifixed seat corresponding, when upper semifixed seat and under semifixed seat link together time, two arc convex tendons can form a loop configuration, this loop configuration also as holding ring 4, can adopt the dynamics of this structural clamp bigger, can lower node location subjected to stress on transducer so to a certain extent. Owing to arc convex tendon can exist certain thickness, therefore the transducer of holding ring clamping is it is possible to there will be some vibrations, such bonding machine will make a noise in the course of the work, therefore can be provided with vibration isolation rubber between holding ring and described transducer, so can reduce noise during bonding machine work.

This ultrasonic transducer fixed mechanism arranges holding ring in fixing seat, and it is the node location of zero that the position of holding ring is clamped in amplitude during transducer vibrations, so when transducer vibrations, the position of holding ring clamping produces any vibration hardly, thus can effectively reduce the energy loss of transducer, improve the work efficiency of bonding machine. So, this utility model effectively overcomes various shortcoming of the prior art and has high industrial utilization.

Above-described embodiment only illustrative principle of the present utility model and effect thereof, not for restriction this utility model. Above-described embodiment all under spirit of the present utility model and category, can be modified or change by any those skilled in the art. Therefore, art has all equivalence modification or changes that usually intellectual completes under the spirit disclosed without departing from this utility model with technological thought such as, must be contained by claim of the present utility model.

Claims

1. a ultrasonic transducer fixed mechanism, including supersonic generator and transducer, described supersonic generator is connected with described transducer, it is characterized in that: it also includes a fixing seat, it is provided with a through hole in described fixing seat, described transducer is positioned at described through hole, is provided with a holding ring in described fixing seat, and it is the node location of zero that described holding ring is clipped in amplitude during described transducer vibrations.

2. ultrasonic transducer fixed mechanism according to claim 1, it is characterised in that: described fixing seat be divided into semifixed seat and under semifixed seat two parts, described semifixed seat with described under semifixed seat be connected by screw.

3. ultrasonic transducer fixed mechanism according to claim 2, it is characterized in that: described semifixed seat, under semifixed seat inner peripheral surface on be equipped with an arc convex tendon, described semifixed seat, under after semifixed seat connects, described semifixed seat, under arc convex tendon combination on semifixed seat form described holding ring.

4. ultrasonic transducer fixed mechanism according to claim 1, it is characterised in that: the inner peripheral surface of described fixing seat is provided with groove, and described holding ring is stuck in described groove.

5. ultrasonic transducer fixed mechanism according to claim 1, it is characterised in that: it is provided with vibration isolation rubber between described holding ring and described transducer.