CN112692423B

CN112692423B - Ultrasonic welder

Info

Publication number: CN112692423B
Application number: CN202011486883.3A
Authority: CN
Inventors: 周宏建; 何相平
Original assignee: Shanghai Jiaocheng Ultrasonic Technology Co ltd
Current assignee: Shanghai Jiaocheng Ultrasonic Technology Co ltd
Priority date: 2020-12-16
Filing date: 2020-12-16
Publication date: 2023-05-30
Anticipated expiration: 2040-12-16
Also published as: CN112692423A

Abstract

The invention belongs to the technical field of welding machines, and discloses an ultrasonic welding machine, which comprises: a housing having two openings opposed in the X-axis direction; the housing is arranged in the shell, is provided with a clamping hole extending along the X-axis direction, and is provided with a limit groove on the outer peripheral surface along the Z-axis direction; the crossed roller guide rail comprises two groups of guide rail monomers, wherein one group of guide rail monomers are fixed in the limiting groove, the other group of guide rail monomers are arranged on the inner wall of the shell, and the two groups of guide rail monomers are in sliding connection; the ultrasonic triple set is arranged in the clamping hole and can rotate around the X axis; and the lifting mechanism is connected to the shell and drives the housing to move along the Z-axis direction. The beneficial effects are that: the width dimension of the device is reduced; and the ultrasonic triple can rotate around the X axis, so that multi-angle welding is realized.

Description

Ultrasonic welder

Technical Field

The invention relates to the technical field of battery welding devices, in particular to an ultrasonic welding machine.

Background

Ultrasonic welding is one of many welding modes, and is to convert 50/60 Hz current into 15KHz, 20KHz, 30KHz or 40KHz electric energy by an ultrasonic generator. The converted high frequency electrical energy is again converted by the transducer into an equally frequent mechanical motion, which is then transferred to the horn by a set of horn devices that vary the amplitude. The welding head transmits the received vibration energy to the joint of the workpieces to be welded, and the ultrasonic welding technology has the advantages of good welding effect, less welding residues, less pollution and the like.

The width of the existing ultrasonic welder is large, and the ultrasonic welder cannot be arranged and installed in many cases. FIG. 9 is a schematic view of a prior art welder having a width B-B, the welder having a core ultrasonic triplet, wherein the transducer is of cylindrical configuration and the diameter of the transducer is Q-Q, and the conventional welder of FIG. 9 is provided with a slide guide structure having a thickness that requires a large space in the width direction inside the apparatus, resulting in a large dimensional difference between B-B and Q-Q of FIG. 9 and a large space.

Disclosure of Invention

The invention aims to provide an ultrasonic welder to solve the problem that the existing welder occupies a large space.

To achieve the purpose, the invention adopts the following technical scheme:

an ultrasonic welder, comprising:

a housing having two openings, the two openings being opposed in the X-axis direction;

the housing is arranged in the shell, the housing is provided with a clamping hole extending along the X-axis direction, the outer circumferential surface of the housing is provided with a limit groove, and the limit groove extends along the Z-axis direction;

the crossed roller guide rail comprises two groups of guide rail monomers, wherein one group of guide rail monomers are fixed in the limiting groove, the other group of guide rail monomers are arranged on the inner wall of the shell, and the two groups of guide rail monomers are connected in a sliding manner;

the ultrasonic triple set is arranged in the clamping hole and can rotate around the X axis; and

and the lifting mechanism is connected to the shell and drives the housing to move along the Z-axis direction.

As a preferable mode of the ultrasonic welder, the housing includes:

a base; and

the two side plates are arranged on the base along the Z axis and are opposite along the Y axis direction, first right-angle grooves are formed in the edges of the two sides of the side plates along the X axis direction, and one guide rail monomer is arranged in each first right-angle groove.

As the preferable scheme of the ultrasonic welder, the outer peripheral surface of the housing comprises two first side walls, the first side walls are perpendicular to the Y axis and are raised in the middle, a limiting groove is formed in the front side and the rear side of the raised part respectively, and the other group of guide rail monomers are arranged in the limiting groove.

As the preferable scheme of the ultrasonic welder, the ultrasonic welder further comprises a limiting mechanism, wherein the limiting mechanism is arranged at the front end of the housing, and the limiting mechanism is configured to fix the ultrasonic triple set at different rotation angles.

As the preferable scheme of the ultrasonic welder, the top of the front end surface of the housing is provided with two second right-angle grooves which are positioned at two sides of the clamping hole;

the limiting mechanism is in threaded connection with the second right-angle groove.

As a preferable mode of the ultrasonic welder, the ultrasonic triple set comprises an amplitude modulator, wherein the amplitude modulator has a cylindrical surface;

the limiting mechanism comprises a first limiting block, the first limiting block is provided with a first limiting main body and a connecting lug, the inner surface of the first limiting main body is provided with an arc-shaped surface matched with the cylindrical surface of the amplitude modulator, and the connecting lug is arranged on two sides of the first limiting main body and can be in threaded connection with the second right-angle groove.

As the preferable scheme of the ultrasonic welder, the radius of the arc is larger than that of the amplitude modulator, and the radius of the arc surface is smaller than that of the clamping hole.

As the preferable scheme of the ultrasonic welder, the outer peripheral surface of the welding head of the ultrasonic triplet is provided with a plurality of guide planes;

the limiting mechanism further comprises a second limiting block, and the second limiting block is in limiting fit with the welding head.

As the preferable scheme of the ultrasonic welder, the second limiting block comprises a second limiting auxiliary body, and the inner surface of the second limiting auxiliary body can be attached to the guide plane.

As the preferable scheme of the ultrasonic welder, a connecting column is arranged at the top of the housing;

and the output end of the lifting mechanism is connected with the connecting column.

The invention has the beneficial effects that: the housing and the ultrasonic triple set are fixed, a limit groove extending along the Z-axis direction is formed in the outer peripheral surface of the housing, one set of guide rail monomers of the crossed roller guide rail are arranged in the limit groove, and the other set of guide rail monomers are arranged on the inner wall of the housing, so that the overall width size of the equipment is reduced; and moreover, the ultrasonic triple can rotate around the X axis, so that multi-angle welding is realized.

Drawings

FIG. 1 is a schematic structural view of an ultrasonic welder according to an embodiment of the present application;

FIG. 2 is an internal schematic view of an ultrasonic welder of an embodiment of the present application;

FIG. 3 is an enlarged view of area A of FIG. 2;

FIG. 4 is a schematic view of the structure of the case and ultrasonic triplet connection according to the embodiment of the present application;

FIG. 5 is an axial view of the housing of the embodiment of the present application along the X-axis;

FIG. 6 is a schematic structural view of a first stopper according to an embodiment of the present disclosure;

FIG. 7 is a schematic view of the structure of an ultrasonic triplet according to an embodiment of the present application;

fig. 8 is a schematic structural diagram of the second limiting block and the ultrasonic triple combination in the embodiment of the present application;

fig. 9 is a schematic structural view of a conventional welder in the prior art.

In the figure:

1-a housing; 10-a base; 11-side plates; 111-a first right angle slot;

2-a housing; 20-clamping holes; 21-a limit groove; 22-limiting steps; 2A-a first sidewall; 2B-a second right angle slot; 23-connecting columns;

3-crossed roller guide tracks; 31-a guide rail unit;

4-ultrasonic triple group; 41-welding head; 411-guiding plane; 42-amplitude modulator; a 43-transducer;

5-a lifting mechanism;

6-a limiting mechanism; 61-a first limiting block; 62-a second limiting block; 610-a first limit body; 611-a connecting ear; 6101-arc surfaces; 621-a second limit body; 622-second limit auxiliary body.

Detailed Description

The invention is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the structures related to the present invention are shown in the drawings.

In the description of the present invention, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.

In the present invention, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "right", etc. orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are merely for convenience of description and simplicity of operation, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the invention. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for distinguishing between them.

The invention provides an ultrasonic welding machine, wherein fig. 1 is a structural schematic diagram of the ultrasonic welding machine in the embodiment of the application, fig. 2 is an internal schematic diagram of the ultrasonic welding machine in the embodiment of the application, and fig. 3 is an enlarged view of a region A in fig. 2. As shown in fig. 1-3, the ultrasonic welder includes a housing 1, a casing 2, a cross roller guide 3, an ultrasonic triplet 4, and a lifting mechanism 5.

With continued reference to fig. 1, the housing 1 has two openings which are opposed in the X-axis direction, which is understood to be the front-rear direction, and the front-rear ends of the housing 1 each form an opening.

The housing 2 is arranged in the housing 1 and can slide along the Z-axis direction, the Z-axis direction can be understood to be the up-down direction, the housing 2 can slide up and down in the housing 1, the housing 2 is provided with a clamping hole 20, the ultrasonic triplet 4 penetrates through the opening and the clamping hole 20, the ultrasonic triplet 4 can rotate around the X-axis in the clamping hole 20, the outer peripheral surface of the housing 2 is provided with a limit groove 21 extending along the Z-axis direction, the cross roller guide rail 3 is arranged between the limit groove 21 and the housing 1, the housing 1 is also provided with a lifting mechanism 5, and the lifting mechanism 5 drives the housing 2 to slide up and down.

Referring to fig. 1, the housing 1 includes a base 10 and two side plates 11, and the two side plates 11 are provided on the surface of the base 10 and are opposed in the Y-axis direction, which can be understood to be the width direction of ultrasonic welding. Referring to fig. 2, the distance A-A in fig. 2 is the distance between the outer surfaces of the two side plates 11, and it is also understood that the distance A-A is the width of the ultrasonic welder.

Referring to fig. 2 and 3, the front and rear ends of the two side plates 11 are respectively provided with a first right-angle groove 111, which can be understood that the front and rear ends of the side plates 11 extend toward the other side plate 11 for a certain distance, another group of guide rail monomers 31 of the cross roller guide rail 3 are provided in the first right-angle groove 111, that is, the front and rear ends of one side plate 11 are respectively provided with one guide rail monomer 31, and the two side plates 11 are provided with four guide rail monomers 31 in total, that is, four cross roller guide rails 3 are provided between the housing 1 and the casing 2.

Fig. 4 is a schematic structural diagram of the connection between the housing 2 and the ultrasonic triplet 4 in the embodiment of the present application, see fig. 3 and 4, where the outer peripheral surface of the housing 2 is provided with a limiting groove 21 extending along the Z-axis direction, specifically, the housing 2 is provided with two first side walls 2A, the first side walls 2A are perpendicular to the Y-axis, the middle of the first side walls 2A are convex and form a limiting groove 21 on the front and rear sides of the convex portion, a set of guide rail monomers 31 of the cross roller guide rail 3 are disposed in the limiting groove 21, and another set of guide rail monomers 31 are disposed in a first right-angle groove 111 of the housing 1, thereby reducing the width dimension of the apparatus.

Further, a connecting column 23 is arranged at the top of the housing 2, and the output end of the lifting mechanism 5 is fixedly connected with the connecting column 23. The lifting mechanism 5 may be a lifting cylinder.

As shown in fig. 4, the housing 2 is further connected with a limiting mechanism 6, and the limiting mechanism 6 can fix the ultrasonic triple 4 at different rotation angles. For example, the welding end of the ultrasonic triple 4 can face downwards, namely, the ultrasonic triple is opposite to the base 10, and can rotate for a certain angle, and the ultrasonic triple is obliquely arranged with the base 10, so that the ultrasonic triple is suitable for a special-shaped welding surface, and after the limiting mechanism 6 is adopted, the ultrasonic triple 4 can be kept at different angles, so that the special-shaped welding surface is conveniently welded.

Fig. 5 is an axial view of the housing 2 along the X-axis direction in the embodiment of the present application, specifically referring to fig. 4 and 5, the top of the front end face of the housing 2 is provided with two second right-angle grooves 2B, the second right-angle grooves 2B are located on both sides of the holding hole 20, and in the embodiment of the present application, the holding hole 20 is circular, and the circular shape of the holding hole 20 is provided in the center of the width direction of the housing 2.

Since the second right-angle groove 2B is disposed at the front end of the housing 2, when the limiting mechanism 6 is disposed on the second right-angle groove 2B, the edges of the left and right sides of the limiting mechanism 6 are respectively flush with the first side walls 2A of the left and right sides, so that the width space of the limiting mechanism 6 is not increased.

Further, the second right angle groove 2B is provided with a first screw hole extending along the Z-axis direction, the stopper mechanism 6 includes a first stopper 61, and the first stopper 61 is screwed into the first screw hole.

Fig. 6 is a schematic structural diagram of a first limiting block 61 according to an embodiment of the present application, as shown in fig. 6, the first limiting block 61 is provided with a first limiting body 610 and a connecting lug 611, an inner surface of the first limiting body 610 is attached to an outer wall of the ultrasonic triple set 4, the connecting lug 611 is disposed on two sides of the first limiting body 610, and the connecting lug 611 is threadably connected to the second right angle slot 2B.

The front end of the housing 2 is further provided with a limiting step 22, and the limiting step 22 can support the first limiting block 61. The outer wall of the first limiting block 61 is attached to the limiting step 22, and the inner wall of the first limiting block 61 is attached to the outer wall of the ultrasonic triple 4, so that the ultrasonic triple 4 can be limited.

In this embodiment, the first limiting body 610 has a semi-surrounding structure, so that the first limiting block 61 is convenient to detach. It should be noted that, the first limiting body 610 is not limited to the full-surrounding structure or the half-surrounding structure, i.e., the first limiting body 610 may be provided with a notch or not provided with a notch, and the present invention is not limited thereto.

Fig. 7 is a schematic structural diagram of an ultrasonic triplet 4 according to an embodiment of the present application, referring to fig. 7, the ultrasonic triplet 4 includes a welding head 41, an amplitude modulator 42 and a transducer 43, wherein the amplitude modulator 42 is cylindrical, a diameter P-P of the amplitude modulator 42 (i.e., P-P in fig. 2) is the same as a diameter Q-Q of the transducer in the prior art, and a plurality of guiding planes 411 are provided on an outer peripheral surface of a rear end of the welding head 41.

In the embodiment of the present application, each of the guiding planes 411 is parallel to the X-axis direction.

As shown in fig. 4 to 7, the inner surface of the first limiting body 610 is provided with an arc surface 6101 matched with the amplitude modulator 42, the radius R2 of the arc surface 6101 is larger than the radius P-P of the amplitude modulator 42, and meanwhile, the radius R2 of the arc surface 6101 is smaller than the radius R1 of the clamping hole 20 of the housing 2, so that the amplitude modulator 42 can be limited.

As shown in fig. 4, the limiting mechanism 6 further includes a second limiting block 62, and the second limiting block 62 is in limiting fit with the welding head 41. Since the outer circumferential surface of the welding head 41 is provided with the guide plane 411, the ultrasonic triplet 4 cannot rotate any more and is locked at a fixed rotation angle when the second limiting block 62 is in limiting engagement with the welding head 42.

Specifically, fig. 8 is a schematic structural diagram of the second limiting block 62 and the ultrasonic triple set 4 in the embodiment of the present application, and as shown in fig. 8, the second limiting block 62 includes a second limiting main body 621 and a second limiting auxiliary body 622.

Referring to fig. 4 and 8, one side of the second limiting body 621 is in threaded connection with the first limiting block 61, the other side of the second limiting body 621 is in threaded connection with the second limiting auxiliary body 622, the inner surface of the second limiting body 621 is set to be an arc surface, and the inner surface of the second limiting auxiliary body 622 is set to be a guide plane 411 capable of being clamped with the welding head 41.

In the embodiment of the present application, the Y-Z section of the welding head 41 may be configured as a regular polygon, and the inner surface of the second stopper sub-body 622 is also configured as a regular polygon. The angle at which the welding head 41 rotates can be determined by the number of sides of the regular polygon.

It is to be understood that the above examples of the present invention are provided for clarity of illustration only and are not limiting of the embodiments of the present invention. Various obvious changes, rearrangements and substitutions can be made by those skilled in the art without departing from the scope of the invention. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the invention are desired to be protected by the following claims.

Claims

1. An ultrasonic welder, comprising:

the shell (1) is provided with two openings, the two openings are opposite along the X-axis direction, the shell (1) comprises a base (10) and two side plates (11), the two side plates (11) are arranged on the base (10) along the Z-axis and are opposite along the Y-axis direction, and first right-angle grooves (111) are formed in the edges of two sides of the side plates (11) along the X-axis direction;

the shell (2) is arranged in the shell (1), the shell (2) is provided with a clamping hole (20) extending along the X-axis direction, the outer circumferential surface of the shell (2) is provided with a limit groove (21), the limit groove (21) extends along the Z-axis direction, the outer circumferential surface of the shell (2) comprises two first side walls (2A), the first side walls (2A) are perpendicular to the Y-axis and are protruded in the middle, and the front side and the rear side of the protruding part respectively form a limit groove (21);

the crossed roller guide rail (3) comprises two groups of guide rail monomers (31), wherein one group of guide rail monomers (31) are fixed in the limiting groove (21), the other group of guide rail monomers (31) are arranged in the first right-angle groove (111) of the shell (1), and the two groups of guide rail monomers (31) are connected in a sliding mode;

the ultrasonic triple group (4) is arranged in the clamping hole (20) and can rotate around the X axis; and

the lifting mechanism (5) is connected to the shell (1) and drives the housing (2) to move along the Z-axis direction;

the ultrasonic welder further comprises a limiting mechanism (6), the limiting mechanism (6) is arranged at the front end of the housing (2), the limiting mechanism (6) is configured to fix the ultrasonic triple group (4) at different rotation angles, two second right angle grooves (2B) are formed in the top of the front end face of the housing (2), the two second right angle grooves (2B) are located at two sides of the clamping hole (20), and the limiting mechanism (6) is in threaded connection with the second right angle grooves (2B);

the ultrasonic triple (4) comprises an amplitude modulator (42), the amplitude modulator (42) is provided with a cylindrical surface, the limiting mechanism (6) comprises a first limiting block (61), the front end of the housing (2) is provided with a limiting step (22), the limiting step (22) can support the first limiting block (61), the outer wall of the first limiting block (61) is attached to the limiting step (22), the inner wall of the first limiting block (61) is attached to the outer wall of the ultrasonic triple (4), the first limiting block (61) is provided with a first limiting main body (610) and a connecting lug (611), the inner surface of the first limiting main body (610) is provided with an arc-shaped surface (6101) matched with the cylindrical surface of the amplitude modulator (42), the radius of the arc-shaped surface (6101) is larger than the radius of the amplitude modulator (42), the radius of the arc-shaped surface (6101) is smaller than the radius of the clamping hole (20), and the connecting lug (611) is arranged on two sides of the first limiting main body (610) and can be connected with a second thread groove (2B);

the welding head comprises a welding head body, a welding head (41) and a limiting mechanism (6), wherein the outer peripheral surface of the welding head (41) of the ultrasonic triple set (4) is provided with a plurality of guide planes (411), the limiting mechanism (6) further comprises a second limiting block (62), the second limiting block (62) is in limiting fit with the welding head (41), the second limiting block (62) comprises a second limiting auxiliary body (622), the inner surface of the second limiting auxiliary body (622) can be attached to the guide planes (411), and the Y-Z section of the welding head (41) and the inner surface of the second limiting auxiliary body (622) are both in regular polygons so as to determine the rotation angle of the welding head (41) through the edge numbers of the regular polygons.

2. The ultrasonic welder according to claim 1, characterized in that the top of the housing (2) is provided with a connecting column (23);

the output end of the lifting mechanism (5) is connected with the connecting column (23).