Novel sheet ultrasonic welding head
By designing a detachable connection between the sheet-like welding head and the amplitude modulator, the problems of frequent welding head replacement and insufficient clearance height were solved, achieving efficient welding head replacement and improved production efficiency.
Patent Information
- Application Number
- CN202423100799.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-16
- Publication Date
- 2025-11-28
- Estimated Expiration
- 2034-12-16
AI Technical Summary
In existing ultrasonic welding processes, welding heads are frequently consumed and need to be replaced, adjusting the horizontal state of the triple welding unit affects production efficiency, and the clearance height is difficult to achieve to the maximum, thus limiting welding applications.
A novel sheet-shaped ultrasonic welding head is designed, which is fixedly connected to the amplitude modulator using a sheet-shaped welding head. The detachable connection is achieved through positioning parts and fasteners, which increases the clearance height, simplifies the replacement process, and avoids the need to readjust the state of the triple unit.
It improves the service life of welding heads, simplifies the replacement process, reduces debugging difficulty, and enhances welding flexibility and production efficiency.
Smart Images

Figure CN223603639U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to ultrasonic welding technical field, concretely is a novel sheet ultrasonic welding head. BACKGROUND
[0002] Ultrasonic welding is to utilize high frequency vibration wave transmission to the surface of two objects to be welded, under the condition of pressurization, make two object surfaces rub each other and form the fusion between molecular layer, it is a kind of quick, clean, effective welding process.
[0003] At present, in the ultrasonic welding process, the welding head will be consumed with the use frequency, needs to be frequently replaced, the horizontal state of triad group needs to be re-adjusted after welding head installation each time, and the frequent adjustment of the horizontal state of triad group affects production efficiency and increases debugging difficulty;Secondly, when avoiding position welding is needed, the height of welding head and amplitude modulator, transducer cannot be made to the extreme in extreme state, leading to some welding applications cannot be realized.
[0004] Therefore, the present application inventors propose a novel sheet ultrasonic welding head. CONTENT OF THE UTILITY MODEL
[0005] In view of the deficiencies of the prior art, the utility model provides a novel sheet ultrasonic welding head, to solve the technical problems existing in the background art.
[0006] To achieve the above object, the utility model is realized by the following technical scheme: a novel sheet ultrasonic welding head, including sheet welding head, amplitude modulator and transducer, the front end of the transducer is provided with amplitude modulator, the front end of the amplitude modulator is provided with sheet welding head only, the sheet welding head is fixedly connected with one end of amplitude modulator, the sheet welding head is thin sheet shape, and both ends are conical surface.
[0007] Preferably, the front end of the amplitude modulator is provided with a connecting fixing seat, a plurality of screw holes are formed on one side surface of the connecting fixing seat, and two of the plurality of screw holes are fixedly connected with positioning pins.
[0008] Preferably, the middle part of the sheet welding head is provided with a plurality of hole positions, two of the plurality of hole positions are positioning through holes, and the other two are fixed through holes.
[0009] Preferably, the positioning pin is matched with the positioning through hole, and the sheet welding head is fixed in position through the positioning through hole.
[0010] Preferably, the sheet welding head is provided with a fastener in the fixed through hole, and the fastener is fixedly connected with the screw hole by penetrating the fixed through hole.
[0011] Preferably, one side surface of the transducer is provided with an electrode conductor, and the electrode conductor is connected with an ultrasonic wave controller.
[0012] Preferably, the sheet welding head is in contact with the welded object through the tapered surface at both ends, so as to realize ultrasonic welding of the welded object.
[0013] Compared with the prior art, the sheet welding head has the following beneficial effects:
[0014] The sheet welding head is of a sheet structure, and the sheet welding head is simple in structure and low in processing difficulty, and can be designed to have different lengths, thereby increasing the avoidance height of the three-union group. The sheet welding head and the amplitude modulator are connected with the positioning member and the fastener, the welding head and the amplitude modulator are detachably connected through the positioning member and the fastener, the sheet welding head is convenient to replace, and the positioning member is arranged between the sheet welding head and the amplitude modulator, so that the horizontal state of the three-union group does not need to be adjusted again during replacement. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 Fig. 1 is a schematic diagram of the three-dimensional structure of the present application;
[0016] Figure 2 Fig. 2 is a schematic diagram of the exploded structure of the present application;
[0017] Figure 3 Fig. 3 is a schematic diagram of the structure of the sheet welding head;
[0018] Figure 4 Fig. 4 is a schematic diagram of the structure of the amplitude modulator.
[0019] Figure 5 Fig. 5 is a rear view of the present application.
[0020] In the figure: 1, sheet welding head; 2, amplitude modulator; 3, transducer; 4, positioning pin; 5, fastener; 11, positioning through hole; 12, fixing through hole; 21, connecting fixing seat; 22, threaded hole. DETAILED DESCRIPTION
[0021] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.
[0022] Please refer to Figures 1-2As shown, the utility model provides a technical scheme: a novel sheet ultrasonic welding head, including sheet welding head 1, amplitude modulator 2 and transducer 3, the front end of transducer 3 is provided with amplitude modulator 2, the front end of amplitude modulator 2 is equipped with only sheet welding head 1, sheet welding head 1 is fixedly connected with one end of amplitude modulator 2, sheet welding head 1 is sheet shape, and both ends are conical surface, the front end of amplitude modulator 2 is provided with connecting fixed base 21, the side surface of connecting fixed base 21 starts to have several screw holes 22, two of the several screw holes 22 are fixedly connected with positioning pin 4,
[0023] Please read Figure 4 As shown, the middle part of sheet welding head 1 is provided with several hole positions, two of the several hole positions are positioning through holes 11, and the other two are fixed through holes 12, the positioning pin 4 is matched with the positioning through hole 11, the sheet welding head 1 is fixed in position through the positioning through hole 11, the sheet welding head 1 is provided with fastener 5 in the inside of fixed through hole 12, and is fixedly connected with screw hole 22 through fastener 5, one side surface of transducer 3 is provided with electrode conductor, and is connected with ultrasonic controller through electrode conductor, the sheet welding head 1 is contacted with the welded object through both ends of conical surface, and the ultrasonic welding work of the welded object is realized.
[0024] The sheet welding head 1 of the embodiment is a long strip sheet structure, the sheet welding head 1 can be designed into different lengths according to actual use requirements, so that the avoidance height of the three-ply group is increased, the positioning member 4 of the embodiment is a positioning pin, the fastener 5 is a bolt, the sheet welding head 1 of the embodiment is a hard alloy material, can be processed by using tungsten steel with a hardness of 80-90HRC, increases the service life of the welding head, and is improved by 30% compared with the service life of the welding head of the traditional material, it should be noted that the transducer 3 of the patent also needs to be connected with the ultrasonic wave control, this part is prior art, therefore, the prior art scheme is not elaborated in detail, the both ends of the sheet welding head 1 of the patent are conical, and the end part is relatively blunt, so that the welding speed of some spot welding materials is very fast, and in the technical scheme of the patent, different welding heads can also be replaced, as long as the hole position is matched, the sheet welding head 1 can be quickly installed, and the user is convenient.
Claims
1. A new type of sheet ultrasonic welding head, comprising a sheet welding head (1), an amplitude modulator (2) and a transducer (3), characterized in that, The front end of the transducer (3) is provided with an amplitude modulator (2), the front end of the amplitude modulator (2) is provided with a sheet welding head (1), the sheet welding head (1) is fixedly connected with one end of the amplitude modulator (2), the sheet welding head (1) is in the shape of a sheet, and both ends are in the shape of a tapered surface.
2. A novel sonotrode for sheet ultrasonic welding according to claim 1, characterized in that, The front end of the amplitude modulator (2) is provided with a connecting fixing seat (21), a plurality of screw holes (22) are formed in one side surface of the connecting fixing seat (21), and two of the plurality of screw holes (22) are fixedly connected with a positioning pin (4).
3. A novel sonotrode for sheet ultrasonic welding according to claim 2, characterized in that, The middle part of the sheet welding head (1) is provided with a plurality of hole positions, two of the plurality of hole positions are positioning through holes (11), and the other two are fixing through holes (12).
4. A novel sonotrode for sheet ultrasonic welding according to claim 3, characterized in that, The positioning pin (4) is matched with the positioning through hole (11), and the sheet welding head (1) is fixed in position through the positioning through hole (11).
5. A novel sonotrode for sheet ultrasonic welding according to claim 3, characterized in that, The sheet welding head (1) is provided with a fastener (5) in the fixing through hole (12), and the fastener (5) penetrates the fixing through hole (12) and is fixedly connected with the screw hole (22).
6. A novel sonotrode for sheet ultrasonic welding according to claim 1, characterized in that, One side surface of the transducer (3) is provided with an electrode conductor, and the electrode conductor is connected with an ultrasonic wave controller.
7. A novel ultrasonic horn for sheet metal welding as claimed in claim 1, wherein, The sheet welding head (1) is in contact with the object to be welded through the tapered surfaces at both ends, so that the ultrasonic welding work of the object to be welded is realized.