WO2018053865A1

WO2018053865A1 - Ultrasonic seamless welding device

Info

Publication number: WO2018053865A1
Application number: PCT/CN2016/100194
Authority: WO
Inventors: 李永华
Original assignee: 深圳市必利超音波自动化机械有限公司
Priority date: 2016-09-26
Filing date: 2016-09-26
Publication date: 2018-03-29
Also published as: CN107690383A

Abstract

An ultrasonic seamless welding device comprises a plurality of welding heads (2). The welding heads (2) are adjacently disposed on a welding platform in a straight line. Welding surfaces of the welding heads (2) are opposite to a welding drum (1). The welding heads (2) are adjacently disposed on the welding platform in a straight line, so that a mounting space for the welding heads (2) can be greatly reduced compared with a traditional staggered mounting manner. In addition, the welding is performed in a manner in which the welding surfaces of the welding heads (2) are in tangential contact with the surface of the welding drum (1), and the contact area between the welding surfaces and a welded object is increased, thereby greatly improving the welding efficiency.

Description

Ultrasonic seamless welding equipment

[0001] The present invention relates to the field of ultrasonic seamless fusion splicing equipment, and more particularly to an ultrasonic seamless fusion splicing apparatus.

Background technique

[0002] Ultrasonic welding uses a generator to generate high-voltage, high-frequency signals. By transducing the system, the signal is converted into high-frequency mechanical vibration, which is applied to the plastic workpiece, and the welding port is made by the friction between the surface of the workpiece and the intrinsic molecules. The temperature rises, when the temperature reaches the melting point of the workpiece itself, the workpiece interface melts rapidly, and then fills the gap between the interfaces. When the vibration stops, the workpiece is cooled and shaped under a certain pressure, and the welding is completed.

[0003] Existing ultrasonic seamless welding equipment, the adjacent welding heads on the lathe platform are arranged at intervals, and the welding heads arranged at the front and rear intervals have a relatively large installation space in the front and rear direction, which affects the equipment volume. . technical problem

[0004] A primary object of the present invention is to provide an ultrasonic seamless welding apparatus that increases the welding speed and greatly reduces the installation space of the welding horn.

Problem solution

Technical solution

The present invention provides an ultrasonic seamless fusion welding apparatus comprising a plurality of welding heads which are disposed in a straight line immediately adjacent to a welding platform, the welding of which faces the welding drum.

[0006] Further, the welding surface of the welding head is a flat surface.

[0007] Further, the plane of the welding surface is tangent to the surface of the welding drum.

[0008] Further, the welding head is in a vertical direction, and the welding surface of the welding head is at the bottom of the welding head.

[0009] Further, the adjacent welding heads are disposed on the welding platform in a straight line through the male and female limiting structures.

[0010] Further, a common limit portion and a female limit portion are respectively disposed on the two side faces of the welding head and the adjacent welding heads. [0011] Further, the male limiting portion is a limiting protrusion, and the female limiting portion is a limiting groove, and the limiting protrusion and the limiting groove have a clearance fit.

[0012] Further, the tip of the welding head is sequentially fixed with an amplitude device and a transducer, the amplifier and the welding head, and the screw and the inner screw hole are passed between the transducer and the amplifier. Matching and fixing.

Advantageous effects of the invention

Beneficial effect

[0013] The beneficial effects of the invention are: the welding head is arranged on the welding platform by linear installation, and the installation space of the welding horn is greatly reduced compared with the conventional dislocation mounting manner; in addition, the welding surface of the welding head and the surface of the welding drum are The method of cutting contact is performed to increase the contact area between the welded surface and the object to be welded, and the welding efficiency is greatly improved.

Brief description of the drawing

DRAWINGS

1 is a schematic structural view of an ultrasonic seamless welding device according to an embodiment of the present invention;

2 is a schematic view showing a contact manner between a surface of a welding head and a welding drum according to an embodiment of the present invention.

[0016]

[0017] The implementation, functional features, and advantages of the present invention will be further described with reference to the accompanying drawings.

BEST MODE FOR CARRYING OUT THE INVENTION

The specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

[0019] Please refer to FIGS. 1 and 2. It should be understood that the structures, the scales, and the like, which are drawn in the drawings of the present specification, are only used to clarify the disclosure of the specification for understanding and reading by those skilled in the art, and are not intended to limit the implementation of the invention. Conditions, therefore, do not have technical significance, any modification of the institution, change of proportional relationship or adjustment of size, should not fall under the effect of the invention and the purpose that can be achieved, should fall within the scope of the present invention The technical content disclosed can be covered. Similarly, the terms "upper", "lower", "left", "right", "intermediate" and "one" as used in this specification are also for convenience of description, and are not intended to limit the present. The scope of the invention that can be implemented, the relative relationship changes and adjustments, Without prejudice to the technical content, it is considered to be an area in which the invention can be implemented.

[0020]

[0021] Referring to FIG. 1, an embodiment of the present invention is provided. An ultrasonic seamless welding apparatus includes a plurality of welding heads 2, and the welding head 2 is disposed in a straight line immediately adjacent to the welding platform, and the welding surface of the welding head 2 Facing the welding drum 1.

[0022] As shown in FIG. 1 , the two welding heads 2 are arranged in a straight line on the welding platform of the welding device, and the installation space of the welding horn 2 is greatly reduced compared with the conventional dislocation mounting method, thereby reducing the overall size of the device. , reducing equipment space and processing consumables.

[0023]

[0024] Referring to FIG. 1, another embodiment of the present invention is provided. An ultrasonic seamless welding apparatus includes a plurality of welding heads 2, and the welding head 2 is disposed in a straight line immediately adjacent to the welding platform, and the welding head 2 is welded. Facing the welding roller 1

[0025] The welding head 2 arranged in a straight line, between the two adjacent welding heads 2, is arranged in a straight line on the welding platform by the male and female limiting structures, and the phase is restricted by the male and female limiting structures. The position of the two adjacent welding heads 2 in the front-rear direction ensures that all the welding heads 2 are arranged in a straight line on the welding platform, and the installation space of the welding head 2 is greatly reduced.

In the present embodiment, the finite head portion and the female limiting portion are respectively disposed on the two sides of the horn 2 and the adjacent horns 2, wherein the common limiting portion is the limiting bump 202. The female limiting portion is a limiting groove 201, and the gap between the limiting protrusion 202 and the limiting groove 201 is matched.

[0027] As shown in FIG. 1, a limit bump 202 is disposed at a low end of the left side surface of the horn 2, and the limit bump 202 protrudes with respect to the plane of the left side surface of the horn 2, on the right side of the horn 2. The finite stop groove 201 is formed on the surface, and the concave hole is concave inward with respect to the plane of the right side surface of the horn 2. When the two horns 2 are adjacently disposed, the limit protrusion 202 of the right horn 2 is stuck into the left side. The limiting groove 201 of the head 2, the two adjacent welding heads 2 serve to position each other in a positional manner, ensuring that all adjacent welding heads 2 can be arranged in a straight line on the welding plane.

[0028] As shown in FIG. 1 , the two welding heads 2 are arranged in a straight line on the welding platform of the welding device, and the installation space of the welding horn 2 is greatly reduced compared with the conventional dislocation mounting method, thereby reducing the overall size of the device. , reducing equipment space and processing consumables.

[0029] As shown in FIG. 2, the welding surface of the welding head 2 is flat, the plane of the welding surface is tangent to the surface of the welding drum 1, and the plane of the welding surface is tangent to the surface of the welding drum 1, so that the welding surface and the welding drum 1 can be ensured. Between surfaces The contact surface is the largest, which improves the welding efficiency of the welding head 2.

[0030] As shown in FIG. 2, the welding head 2 is in the vertical direction, the welding surface of the welding head 2 is at the bottom of the welding head 2, and the welding surface is tangent to the portion having the highest surface curve of the welding drum 1, and the welding head 2 is directly opposite. The rotating shaft of the welding drum 1.

[0031] As shown in FIG. 1, the top end of the horn 2 is sequentially fixed with an amplitude device and a transducer 4. Wherein, the booster 3 and the welding head 2

The transducer 4 and the amp 3 are fixed by screw and internal screw hole, and the stable connection between the transducer 4 and the horn 2 is ensured by the cooperation of the internal screw hole and the screw.

[0032]

In another embodiment of the invention, the horn 2 is at an angle of 45° to the welding platform, and the welding surface is tangent to the outer surface of the welding drum 1. Of course, the horn 2 can also be at an angle of 30°, 60° or other suitable angle to the welding platform.

[0034] In another embodiment of the present invention, in the male-female limiting structure, the left and right sides of the partial welding head 2 may be provided with the limiting groove 201, and the left and right sides of the partial welding head 2 may be The finite-position bumps 202 are disposed, and the horns 2 provided with the limiting recesses 201 and the horns 2 provided with the limiting bumps 202 are spaced apart to achieve the positioning of the adjacent horns 2 to each other.

[0035]

The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the invention, and the equivalent structure or equivalent process transformations made by the description of the present invention and the drawings are used directly or indirectly. Other related technical fields are equally included in the scope of patent protection of the present invention.

Claims

Claim

[Attachment 1] An ultrasonic seamless welding apparatus comprising a plurality of welding heads, wherein the welding head is disposed in a straight line immediately adjacent to a welding platform, and the welding surface of the welding head is directly opposite to the welding Roll

[Claim 2] The ultrasonic seamless welding apparatus according to claim 1, wherein the welding surface of the horn is a flat surface.

[Attachment 3] The ultrasonic seamless fusion bonding apparatus according to claim 2, wherein a plane of the welding surface is tangent to a surface of the welding drum.

[Attachment 4] The ultrasonic seamless welding apparatus according to claim 3, wherein the welding head is in a vertical direction, and a welding surface of the welding head is at a bottom of the welding head.

[Claim 5] The ultrasonic seamless fusion splicing apparatus according to claim 1, wherein the adjacent welding heads are disposed on the welding platform in a straight line by a male-female limiting structure.

[Attachment 6] The ultrasonic seamless fusion welding apparatus according to claim 5, wherein the welding head and the adjacent welding head are respectively provided with a male limit portion and a female limit portion unit.

The ultrasonic seamless welding device according to claim 6, wherein the male limiting portion is a limiting protrusion, and the female limiting portion is a limiting groove, the limit The gap between the bit bump and the limit groove is matched.

[Attachment 8] The ultrasonic seamless welding apparatus according to claim 1, wherein the tip of the welding head is sequentially fixed with an amplitude device and a transducer, the amplifier and the welding head, The transducer and the amplifier are fixedly coupled by a screw and an inner screw hole.