CN217618359U - Novel ultrasonic welding head - Google Patents

Abstract

The utility model relates to an ultrasonic welding technical field discloses a novel ultrasonic bonding tool. It includes: the welding head comprises a welding head body, a through hole, a base, a notch, a top platform, a transmission ring and an annular groove, wherein the top of the welding head body is connected with the top platform, the upper surface of the top platform is connected with the transmission ring, the annular groove is arranged on the inner side of the transmission ring, the base is connected to the bottom of the welding head body, the lower portion of the base is provided with the notch, the through hole is arranged on the welding head body, and the through hole penetrates through the opposite surface of the welding head body. By adopting the welding head main body, the through hole, the base, the notch, the top platform, the conduction ring and the annular groove, the improvement of the conduction rate, the reduction of the conduction loss, the uniform conduction, the complete welding and the like can be effectively realized. The square welding head is adopted, so that a large-size welding head can be realized, and the ultrasonic waves can be received in a large area and uniformly sent out in a large area; by adopting the conductive rings and the ring grooves, the interference between the conductive rings can be prevented; with the concentric arrangement of the respective centers, the conduction of the ultrasonic waves and the uniformity of the ultrasonic waves can be matched.

Description

Novel ultrasonic welding head

Technical Field

The utility model relates to an ultrasonic welding technical field, concretely relates to novel ultrasonic bonding tool.

Background

At present, along with the rapid development of science and technology, products full of precious minerals are increasingly applied to the lives of people. In many products, it is often necessary to connect some product components, and the conventional connection method adopts strong glue for bonding, or adopts metal material for welding, or adopts other connecting pieces for connection, and the connection methods all have defects of different degrees, so that an ultrasonic welding technology appears. Ultrasonic welding is a process in which a high-frequency vibration wave is transmitted to the surfaces of two objects to be welded, and the surfaces of the two objects are rubbed against each other under pressure to form a fusion between molecular layers. The ultrasonic welding has the advantages of high welding speed, high welding strength, good sealing performance and the like. In ultrasonic welding, a medium object is needed to be used for conducting ultrasonic waves, however, existing medium substances for conducting ultrasonic waves have some defects, ultrasonic generators transmit ultrasonic waves to the medium substances, the medium substances can absorb some ultrasonic waves, so that the energy of the ultrasonic waves reaching the surface of the welded object is insufficient, the conduction rate of the ultrasonic waves in the medium substances is reduced, or uneven conduction exists in the medium substances, so that the surface of the welded object receives uneven ultrasonic waves, and the like.

Therefore, in view of the above problems, the existing ultrasonic horn is yet to be further improved.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming some problems that current ultrasonic bonding tool exists: slow conduction rate, large conduction loss, uneven conduction, incomplete welding, and the like. By reasonably designing the ultrasonic welding head and adopting the welding head main body, the through hole, the base, the notch, the top platform, the conduction ring and the annular groove, the conduction speed can be effectively improved, the conduction loss can be reduced, the conduction can be uniformly conducted, the welding can be completely completed, and the like. The square welding head is adopted, so that the large-size welding head can be effectively realized, and the ultrasonic waves can be received in a large area and uniformly transmitted out in a large area; by adopting the conductive rings and the ring grooves, the interference between the conductive rings can be effectively prevented; the centers are concentrically arranged, so that the conduction of ultrasonic waves and the uniformity of the ultrasonic waves can be effectively matched; the through hole structure is adopted, the ultrasonic wave transmitted by the ultrasonic welding head can be effectively enhanced, and the ultrasonic loss in the middle can be avoided.

The technical scheme of the utility model is specifically as follows:

a novel ultrasonic horn, said ultrasonic horn comprising: welding head main part, through hole, base, notch, top platform, conduction ring and annular, the top of welding head main part is connected with the top platform, the last surface connection of top platform has the conduction ring, the inboard of conduction ring is equipped with the annular, the bottom of welding head main part is connected with the base, the lower part of base is equipped with the notch, the through hole sets up in the welding head main part, the through hole runs through the opposite face of welding head main part.

Further, the conduction ring includes first conduction ring, second conduction ring and third conduction ring, first conduction ring, second conduction ring and third conduction ring are concentric setting, the inboard of first conduction ring with the outside interval of second conduction ring, the inboard of second conduction ring with the outside interval of third conduction ring, the inboard of third conduction ring is equipped with the annular.

Furthermore, the welding head body is a square cylinder.

Furthermore, the top platform is a square column.

Further, the first conductive ring is a square ring.

Further, the second conductive ring is a square ring.

Further, the third conduction ring is a square ring, and the ring groove on the inner side of the third conduction ring is a circular groove.

Further, the through-holes are provided on 4 sides of the horn body.

Further, the through holes are uniformly arranged on the opposite surface of the welding head body, two through holes are arranged on the opposite surface of the welding head body, and the uniform arrangement of the through holes means that the distances between the through holes and the distances from the through holes to the adjacent side surfaces are equal.

Further, the number of the notches is at least four, and the notches are equally arranged on the base.

Further, the side length of the top table is smaller than that of the welding head main body.

Further, a side length of the first conductive ring is smaller than a side length of the horn body.

Further, the welding head main body, the base, the notch, the top platform, the transmission ring and the ring groove are integrally formed.

Further, the widths of the first conductive ring and the second conductive ring are equal, the width being the distance between the inner circle and the outer circle of the rings.

Further, the widths of the first and second conductive rings are less than the width of the third conductive ring.

Further, the cross section of the through hole is rectangular and is composed of equal arcs at both ends thereof.

Further, the heights of the first conductive ring, the second conductive ring and the third conductive ring are all equal.

Further, the height of the top table is less than the height of the horn body.

Furthermore, the welding head main body, the base, the top platform and the conduction ring are all made of aluminum alloy materials.

Advantageous effects

The utility model discloses a carry out rationalization design to the ultrasonic bonding tool, adopt bonding tool main part, through hole, base, notch, top platform, conduction ring and annular, can realize improving conduction rate, reduce conduction loss, even conduction and welding complete etc. effectively. The square welding head is adopted, so that the large-size welding head can be effectively realized, and the ultrasonic waves can be received in a large area and uniformly transmitted in a large area; by adopting the transmission rings and the ring grooves, the interference between the transmission rings can be effectively prevented; the centers are concentrically arranged, so that the conduction of ultrasonic waves and the uniformity of the ultrasonic waves can be effectively matched; by adopting the through hole structure, the ultrasonic wave transmitted by the ultrasonic welding head can be effectively enhanced, and the ultrasonic wave loss in the middle can be avoided. The ultrasonic welding head can be widely applied to ultrasonic welding, and the output ratio of the contact surface can be more than 80%.

Drawings

Fig. 1 is a schematic view of a novel ultrasonic welding head structure of the present invention.

Fig. 2 is a schematic view of a section structure of the ultrasonic welding head of the present invention.

Reference numerals: 1. a weld head body; 2. a top stage; 3. a first conductive ring; 4. a second conductive ring; 5. a third conductive ring; 6. a through hole; 7. a notch; 8. a base; 9. a first ring groove; 10. a second ring groove; 11. and a ring groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Referring to fig. 1 and 2, the present invention provides a novel ultrasonic welding head, which includes: welding head main part 1, through hole 6, base 8, notch 7, top platform 2, conduction ring and annular 11, welding head main part 1 chooses for use square cylinder, welding head main part 1's top is connected with top platform 2, top platform 2 chooses for use square cylinder, the last surface connection of top platform has the conduction ring, the inboard of conduction ring is equipped with annular 11, notch 7 is four, and notch 7 equally sets up on the base, welding head main part 1's bottom is connected with base 8, base 8's lower part is equipped with notch 7, through hole 6 sets up on welding head main part 1, through hole 6 runs through welding head main part 1's opposite face, through hole 6 sets up on 4 sides of welding head main part 1.

Wherein, the conducting ring includes first conducting ring 3, second conducting ring 4 and third conducting ring 5, first conducting ring 3, second conducting ring 4 and third conducting ring 5 are the concentric setting, square ring is chooseed for use to first conducting ring 3, square ring is chooseed for use to second conducting ring 4, square ring is chooseed for use to third conducting ring 5, the inboard of first conducting ring 3 and the outside interval of second conducting ring 4, its interval department is equipped with first annular 9, the inboard of second conducting ring 4 and the outside interval of third conducting ring 5, its interval department is equipped with second annular 10, the inboard of third conducting ring 5 is equipped with annular 11, annular 11 is the circular recess.

The through holes 6 are uniformly arranged on the opposite surface of the welding head body 1, two through holes 6 are arranged on the opposite surface of the welding head body 1, and the uniform arrangement of the through holes 6 means that the distances between the through holes and the distances from the through holes to the adjacent side surfaces are equal.

The side length of the top platform 2 is smaller than that of the welding head body 1, the side length of the first conducting ring 3 is smaller than that of the welding head body 1, the widths of the first conducting ring 3 and the second conducting ring 4 are equal, the width is the distance between the inner circle and the outer circle of the ring, the widths of the first conducting ring 3 and the second conducting ring 4 are smaller than that of the third conducting ring 5, the cross section of the through hole 6 is rectangular and is formed by equal arcs at the two ends of the through hole, the heights of the first conducting ring 3, the second conducting ring 4 and the third conducting ring 5 are equal, and the height of the top platform 2 is smaller than that of the welding head body 1.

Wherein, the welding head main body 1, the base 8, the notch 7, the top platform 2, the transmission ring and the ring groove 11 are integrally formed. The welding head body 1, the base 8, the top platform 2 and the conduction ring are all made of aluminum alloy materials.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (10)

1. A novel ultrasonic horn, comprising: welding head main part, through hole, base, notch, top platform, conduction ring and annular, the top of welding head main part is connected with the top platform, the upper surface of top platform is connected with the conduction ring, the inboard of conduction ring is equipped with the annular, the bottom of welding head main part is connected with the base, the lower part of base is equipped with the notch, the through hole sets up in the welding head main part, the through hole runs through the opposite face of welding head main part.

2. The novel ultrasonic horn of claim 1 wherein the conductive rings comprise a first conductive ring, a second conductive ring, and a third conductive ring, the first conductive ring, the second conductive ring, and the third conductive ring all being concentrically disposed, an inner side of the first conductive ring being spaced from an outer side of the second conductive ring, an inner side of the second conductive ring being spaced from an outer side of the third conductive ring, the inner side of the third conductive ring being provided with the annular groove.

3. A novel ultrasonic horn of claim 1 wherein the horn body is a square cylinder.

4. A novel ultrasonic horn of claim 2 wherein said first conductive ring is square.

5. A novel ultrasonic horn of claim 4 wherein said second conductive ring is square.

6. The ultrasonic horn of claim 5 wherein the third conductive ring is square and the annular groove on the inside of the third conductive ring is circular.

7. A novel ultrasonic horn according to claim 3 wherein said through-holes are provided on 4 sides of said horn body.

8. The novel ultrasonic horn of claim 7 wherein the through holes are equally spaced on opposite sides of the horn body, and wherein two of the through holes are equally spaced on opposite sides of the horn body, the equal spacing of the through holes being equal between through holes and the distance from a through hole to an adjacent side.

9. A novel ultrasonic horn of claim 3 wherein the number of notches is at least four and the notches are equally disposed on the base.

10. A novel ultrasonic horn according to claim 2 wherein the first conductive ring has a side length less than the side length of the horn body.

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