CN210755811U

CN210755811U - Vertical ultrasonic welding machine

Info

Publication number: CN210755811U
Application number: CN201921554031.6U
Authority: CN
Inventors: 张雯; 林雪松; 徐红军
Original assignee: Jiangsu Solvay Electric Technology Co ltd
Current assignee: Wuxi Haisong Technology Co ltd
Priority date: 2019-09-18
Filing date: 2019-09-18
Publication date: 2020-06-16
Anticipated expiration: 2029-09-18

Abstract

The utility model discloses a vertical ultrasonic welding machine. Comprises a frame, an ultrasonic generator, a low-resistance lead, an energy converter, an amplitude transformer, an air cylinder, a coupler, a welding head and a clamp; the upper part of the rack is provided with an air cylinder, the output end of the air cylinder is connected with a coupler, and the coupler is of a rod-shaped structure; the ultrasonic generator is arranged in the middle of the rack, the output end of the ultrasonic generator is connected with the low-resistance lead, the low-resistance lead is connected with the transducer, and the output end of the transducer is provided with the amplitude transformer. The down force of the vertical ultrasonic welding machine directly acts on the welded object, and the energy loss is far less than that of the horizontal welding machine. The vibration mechanism formed by the coupler, the welding head and the amplitude transformer is integrally formed, so that the loss generated by bolt connection is reduced. The high-power transducer of the horizontal welding machine is not needed, and the heating is reduced.

Description

Vertical ultrasonic welding machine

The technical field is as follows:

the utility model belongs to the technical field of ultrasonic welding, in particular to vertical ultrasonic welding machine.

Background art:

the down force of the traditional horizontal ultrasonic welding machine is transmitted to the welded object through a bent arm structure, a horizontally vibrating object is restrained by the down force, energy loss is inevitable, and the pressure transmitted to the welded object is only one third of the initial down force.

The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information constitutes prior art already known to a person skilled in the art.

The utility model has the following contents:

an object of the utility model is to provide a vertical ultrasonic welding machine to overcome the defect among the above-mentioned prior art.

In order to achieve the above object, the utility model provides a vertical ultrasonic welding machine, include: the device comprises a frame, an ultrasonic generator, a low-resistance lead, an energy converter, an amplitude transformer, an air cylinder, a coupler, a welding head and a clamp; the upper part of the rack is provided with an air cylinder, the output end of the air cylinder is connected with a coupler, and the coupler is of a rod-shaped structure; the ultrasonic generator is arranged in the middle of the rack, the output end of the ultrasonic generator is connected with the low-resistance lead, the low-resistance lead is connected with the transducer, the output end of the transducer is provided with an amplitude transformer, the amplitude transformer is connected with the rod-shaped coupler, the tail end of the coupler is provided with a welding head, and the coupler, the welding head and the amplitude transformer are integrally formed; a clamp is arranged at the lower part of the rack, a welding station is arranged on the clamp, and a welding head is positioned above the welding station of the clamp; the output end of the air cylinder and the welding head are positioned on the same straight line.

Compared with the prior art, the utility model discloses following beneficial effect has:

the down force of the vertical ultrasonic welding machine directly acts on the welded object, and the energy loss is far less than that of the horizontal welding machine. The vibration mechanism formed by the coupler, the welding head and the amplitude transformer is integrally formed, so that the loss generated by bolt connection is reduced. The high-power transducer of the horizontal welding machine is not needed, and the heating is reduced.

Description of the drawings:

fig. 1 is a schematic structural view of the vertical ultrasonic welding machine of the present invention;

the reference signs are: 1-a frame, 2-an ultrasonic generator, 3-a low-resistance wire, 4-an energy converter, 5-an amplitude transformer, 6-an air cylinder, 7-a coupler, 8-a welding head and 9-a clamp.

The specific implementation mode is as follows:

the following detailed description of the embodiments of the present invention is provided, but it should be understood that the scope of the present invention is not limited by the embodiments.

Throughout the specification and claims, unless explicitly stated otherwise, the word "comprise", or variations such as "comprises" or "comprising", will be understood to imply the inclusion of a stated element or component but not the exclusion of any other element or component.

Example 1

As shown in fig. 1, a vertical ultrasonic welding machine comprises a frame 1, an ultrasonic generator 2, a low-resistance lead 3, a transducer 4, a horn 5, a cylinder 6, a coupler 7, a welding head 8 and a clamp 9; an air cylinder seat is arranged at the upper part of the rack 1, an air cylinder 6 is arranged on the air cylinder seat, the output end of the air cylinder 6 is connected with a coupler 7, and the coupler 7 is of a rod-shaped structure; the generator is characterized in that a generator seat is arranged in the middle of the rack 1, an ultrasonic generator 2 is arranged on the generator seat, the output end of the ultrasonic generator 2 is connected with a low-resistance wire 3, the low-resistance wire 3 is connected with a transducer 4, piezoelectric ceramics are arranged in the transducer 4, an amplitude transformer 5 is arranged at the output end of the transducer 4, the amplitude transformer 5 is of a reducing structure, the amplitude transformer 5 is connected with a rod-shaped coupler 7, a welding head 8 is arranged at the tail end of the coupler 7, and the coupler 7, the welding head 8 and the amplitude transformer 5 are integrally formed; a clamp 9 is arranged at the lower part of the rack 1, a welding station is arranged on the clamp 9, and a welding head 8 is positioned above the welding station of the clamp 9; the output end of the cylinder 6 is in the same line with the welding head 8.

Starting the ultrasonic generator, the ultrasonic generator rectifies, transforms and amplifies the electric energy into a 20KHz high-voltage power supply through the inside. The piezoelectric ceramic piece in the energy converter generates radial vibration under the electric shock of a high-voltage power supply, the vibration is transmitted to the amplitude transformer through the output end of the energy converter, the amplitude transformer drives the coupler to do transverse vibration, the coupler drives the welding head to do transverse vibration, the air cylinder is started, the pressure is transmitted to the welding head through the coupler, the pressure direction of the welding head is perpendicular to the vibration direction, and the welding head is in friction welding with a workpiece on the fixture.

Welding 70mm²The vertical ultrasonic welding machine only needs 3.5KW, and the traditional horizontal welding machine needs 9KW, so that energy loss is greatly reduced.

The foregoing descriptions of specific exemplary embodiments of the present invention have been presented for purposes of illustration and description. It is not intended to limit the invention to the precise form disclosed, and obviously many modifications and variations are possible in light of the above teaching. The exemplary embodiments were chosen and described in order to explain certain principles of the invention and its practical application to enable one skilled in the art to make and use various exemplary embodiments of the invention and various alternatives and modifications as are suited to the particular use contemplated. It is intended that the scope of the invention be defined by the claims and their equivalents.

Claims

1. The utility model provides a vertical ultrasonic welding machine which characterized in that: comprises a frame, an ultrasonic generator, a low-resistance lead, an energy converter, an amplitude transformer, an air cylinder, a coupler, a welding head and a clamp; the upper part of the rack is provided with an air cylinder, the output end of the air cylinder is connected with a coupler, and the coupler is of a rod-shaped structure; the ultrasonic generator is arranged in the middle of the rack, the output end of the ultrasonic generator is connected with the low-resistance lead, the low-resistance lead is connected with the transducer, the output end of the transducer is provided with an amplitude transformer, the amplitude transformer is connected with the rod-shaped coupler, the tail end of the coupler is provided with a welding head, and the coupler, the welding head and the amplitude transformer are integrally formed; a clamp is arranged at the lower part of the rack, a welding station is arranged on the clamp, and a welding head is positioned above the welding station of the clamp; the output end of the air cylinder and the welding head are positioned on the same straight line.

2. The vertical ultrasonic welder according to claim 1, characterized in that: and the transducer is internally provided with a piezoelectric ceramic piece.

3. The vertical ultrasonic welder according to claim 1, characterized in that: the amplitude transformer is of a variable diameter structure.