CN218193111U - Ultrasonic welding head - Google Patents
Ultrasonic welding head Download PDFInfo
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- CN218193111U CN218193111U CN202222496545.9U CN202222496545U CN218193111U CN 218193111 U CN218193111 U CN 218193111U CN 202222496545 U CN202222496545 U CN 202222496545U CN 218193111 U CN218193111 U CN 218193111U
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- seat body
- screw
- ultrasonic welding
- screw rod
- welding head
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Abstract
The utility model belongs to the technical field of ultrasonic welding device, a ultrasonic welding head is provided, which comprises a body, wherein the body is respectively and fixedly provided with a first connecting shaft part and a second connecting shaft part along the two axial ends of the body, and the ultrasonic welding head also comprises a seat body and a plurality of welding spots fixedly arranged on the seat body, the lower end of the seat body is fixedly provided with a first screw rod, the body is provided with a through threaded hole along the radial direction, the first screw rod is in threaded connection with the threaded hole, and the length of the first screw rod is less than that of the threaded hole; the left side surface and the right side surface of the seat body are symmetrically arranged, the distance between the left side surface and the right side surface of the seat body gradually decreases towards the direction of the lower end of the seat body, the front side surface and the rear side surface of the seat body are symmetrically arranged, and the distance between the front side surface and the rear side surface of the seat body gradually increases towards the direction of the lower end of the seat body. The utility model discloses can set up a plurality of solder joints simultaneously to the uniformity of each solder joint amplitude has been promoted effectively.
Description
Technical Field
The utility model belongs to the technical field of ultrasonic welding device, especially, relate to an ultrasonic bonding head.
Background
Ultrasonic welding is a processing mode that a generator generates high-voltage and high-frequency signals, the signals are converted into high-frequency mechanical vibration through a transducer system, and the vibration energy is converted into heat energy through friction so as to weld workpieces. An original ultrasonic welding machine is often provided with only one welding point, and when a welding workpiece is large in size, the welding requirement cannot be met by the single welding point.
Based on this, the prior art ZL202120995416.7 discloses an ultrasonic welding head with an arc structure, which can simultaneously set a plurality of welding blocks, and meet the welding requirements of large-sized workpieces, but the base body of the welding head is strip-shaped, ultrasonic waves are transmitted into the base body through a connecting column at the central position of the bottom of the base body, and are uniformly transmitted in all directions in the base body, and are finally transmitted to the welding blocks at the top end of the base body, because the distance between the welding block at the middle position and a wave transmission position (i.e. the connecting position between the connecting column and the base body) is relatively short, more energy can be received, and the amplitude is relatively large, and the distance between the welding points at both ends and the wave transmission position (i.e. the connecting position between the connecting column and the base body) is relatively long, the attenuation of the energy in the transmission is relatively large, and the energy received by the welding points at both ends is relatively small, and the amplitude is relatively small, so that it is difficult to ensure the consistency of the amplitudes of each welding point when the welding head is used for welding.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome above-mentioned prior art not enough, provide an ultrasonic bonding head who promotes each solder joint amplitude of vibration uniformity.
The utility model discloses a realize like this, an ultrasonic welding connects, including a body, the body sets firmly a first connecting shaft portion and a second connecting shaft portion respectively along its axial both ends, still includes a pedestal and a plurality of solder joints that set firmly on the pedestal, the lower extreme of pedestal sets firmly a first screw rod, the body sets up a screw hole that link up along its radial, first screw rod and screw hole spiro union, the length of first screw rod is less than the length of screw hole;
the left side surface and the right side surface of the seat body are symmetrically arranged, the distance between the left side surface and the right side surface of the seat body gradually decreases towards the direction of the lower end of the seat body, the front side surface and the rear side surface of the seat body are symmetrically arranged, and the distance between the front side surface and the rear side surface of the seat body gradually increases towards the direction of the lower end of the seat body.
Further, the threaded hole is not connected with a second screw rod in a threaded manner inside one end of the first screw rod in a threaded manner, the second screw rod is abutted against the first screw rod, a hexagonal socket is formed in one end of the second screw rod, which is not abutted against the first screw rod, or a nut is fixedly arranged at one end of the second screw rod, which is not abutted against the first screw rod, and the nut is arranged outside the threaded hole.
Specifically, the left side surface and the right side surface of the seat body are both arc surfaces or planes, and the front side surface and the rear side surface of the seat body are both arc surfaces or planes.
Furthermore, an annular gasket is fixedly arranged at the lower end of the seat body and sleeved on the first screw rod.
The utility model discloses set the left and right sides face of pedestal to the inclined plane, after the ultrasonic wave transmitted the pedestal from the screw rod, will carry out the energy guide of horizontal conduction to the left and right sides originally to being located the solder joint of pedestal upper end left and right sides, reduced the loss of energy, compensatied the energy attenuation that the solder joint is far away and produce apart from the screw rod, and then promoted the amplitude of the solder joint that is located both ends about, promoted the uniformity of different position solder joint amplitudes effectively.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings required for the embodiments will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a perspective view of an ultrasonic bonding head according to an embodiment of the present invention.
Fig. 2 is a projection view in the direction a in fig. 1.
Fig. 3 is a sectional view taken along the direction B-B in fig. 2.
Fig. 4 is a perspective view of the housing of fig. 1.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention.
As shown in fig. 1-4, an embodiment of the present invention provides an ultrasonic welding head, which includes a body 1, the body 1 has a first connecting shaft 11 and a second connecting shaft 12 fixed along its axial two ends, and further includes a base 2 and a plurality of welding spots 21 fixed on the base, the lower end of the base 2 has a first screw 22 fixed thereon, the body has a through threaded hole (not shown) along its radial direction, the first screw 22 is in threaded connection with the threaded hole, the length of the first screw 22 is less than the length of the threaded hole;
the left side 23 and the right side 24 of the seat body 2 are symmetrically arranged, the distance between the left side 23 and the right side 24 of the seat body gradually decreases towards the lower end of the seat body 2, the front side 25 and the rear side 26 of the seat body are symmetrically arranged, and the distance between the front side 25 and the rear side 26 of the seat body gradually increases towards the lower end of the seat body 2.
When a welding head with an arc-shaped structure disclosed in the prior art ZL202120995416.7 is welded, ultrasonic waves are conducted from the welding body to the connecting column located in the first positioning hole, then conducted to the base body through the connecting column, and then evenly propagated in all directions after being conducted to the base body.
And the embodiment of the utility model provides a during welding, the ultrasonic wave is conducted to first screw rod 22 from body 1, conduct to pedestal 2 by first screw rod 22 again, after the ultrasonic wave is conducted to pedestal 2 by first screw rod 22, because the left surface 23 and the right flank 24 of pedestal 2 all are the inclined plane, can lead to the solder joint that is located 2 upper end left and right sides of pedestal to the ultrasonic wave of the horizontal conduction of left and right sides originally, avoided among the prior art ultrasonic wave to the horizontal conduction of left and right sides and cause energy loss, compensate the solder joint apart from first screw rod 22 far away and the energy attenuation that produces, and then promoted the amplitude that is located left and right sides both ends solder joint, the uniformity of different position solder joint amplitudes has been promoted effectively.
As shown in fig. 3 and 4, a second screw 3 is screwed into an end of the threaded hole, which is not screwed with the first screw 22, the second screw 3 abuts against the first screw 22, and a hexagon socket 31 is formed in an end of the second screw 3, which is not abutted against the first screw 22, or a nut (not shown) is fixedly arranged at an end of the second screw 3, which is not abutted against the first screw 22, and the nut is arranged outside the threaded hole.
When welding nonstandard part, often need adjust welding angle, because pedestal and body fixed connection among the prior art, when needs adjustment welding angle, can only adjust the position and the angle of body in order to adapt to the welding demand, lead to consuming time and power work efficiency low. And the embodiment of the utility model provides an ultrasonic bonding head need adjust when welding angle, only need loosen second screw rod 3, then rotatory pedestal 2 to suitable angle, screw up second screw rod 3 after that, second screw rod 3 makes first screw rod 22 can not produce the removal with first screw rod 22 butt this moment to fix pedestal 2 in the position that needs. By matching the second screw 3 with the first screw 22, the base can rotate 360 degrees and can be fixed at any angle, which can meet the welding requirements of non-standard components and improve the welding efficiency.
As shown in fig. 1, specifically, both the left side 23 and the right side 24 of the seat body 2 are arc surfaces or planes, and both the front side 25 and the rear side 26 of the seat body 2 are arc surfaces or planes.
As shown in fig. 4, further, an annular gasket 27 is fixedly disposed at the lower end of the seat body 2, and the annular gasket 27 is sleeved on the first screw 22.
The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, without departing from the principle of the present invention, several improvements and decorations can be made, which are also considered as the protection scope of the present invention.
Claims (4)
1. An ultrasonic welding joint comprises a body, wherein a first connecting shaft part and a second connecting shaft part are fixedly arranged at two axial ends of the body respectively;
the left side surface and the right side surface of the seat body are symmetrically arranged, the distance between the left side surface and the right side surface of the seat body gradually decreases towards the direction of the lower end of the seat body, the front side surface and the rear side surface of the seat body are symmetrically arranged, and the distance between the front side surface and the rear side surface of the seat body gradually increases towards the direction of the lower end of the seat body.
2. An ultrasonic welding head according to claim 1 wherein a second screw is screwed into an end of the threaded hole not screwed to the first screw, the second screw abuts against the first screw, a hexagonal socket is formed in an end of the second screw not abutting against the first screw, or a nut is fixedly arranged at an end of the second screw not abutting against the first screw and is arranged outside the threaded hole.
3. An ultrasonic welding head according to claim 1 wherein the left and right side faces of the base are both curved or planar, and the front and rear side faces of the base are both curved or planar.
4. An ultrasonic welding head according to claim 1, wherein an annular gasket is fixedly arranged at the lower end of the seat body, and the annular gasket is sleeved on the first screw rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222496545.9U CN218193111U (en) | 2022-09-20 | 2022-09-20 | Ultrasonic welding head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222496545.9U CN218193111U (en) | 2022-09-20 | 2022-09-20 | Ultrasonic welding head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218193111U true CN218193111U (en) | 2023-01-03 |
Family
ID=84636242
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222496545.9U Active CN218193111U (en) | 2022-09-20 | 2022-09-20 | Ultrasonic welding head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218193111U (en) |
-
2022
- 2022-09-20 CN CN202222496545.9U patent/CN218193111U/en active Active
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