CN211414032U - Ultrasonic welding head and ultrasonic welding device - Google Patents
Ultrasonic welding head and ultrasonic welding device Download PDFInfo
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- CN211414032U CN211414032U CN201921482132.7U CN201921482132U CN211414032U CN 211414032 U CN211414032 U CN 211414032U CN 201921482132 U CN201921482132 U CN 201921482132U CN 211414032 U CN211414032 U CN 211414032U
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Abstract
The utility model discloses an ultrasonic bonding tool and ultrasonic welding device, one of them ultrasonic bonding tool, include: a handle connecting portion; one end of the welding head part is connected with the handle connecting part; one end of the welding tooth part is connected with the side end of the welding head; the angle alpha formed by one end of the welding tooth part far away from the welding head part and the axial lead of the welding head part is more than 0 degree. The utility model discloses an angle design of a bonding tool portion terminal surface is kept away from to the welded end to among the prior art of solving effectively, when welding subassembly is treated to welding aspect ratio is greater than or equal to 3, treat the big problem of damage of welding subassembly. When the low-voltage wire harness and the terminal in the automobile are welded, the wire harness is slightly damaged, even if a single wire W/H (width-to-height ratio) of the wire harness terminal is large, the tearing force requirement is still met by adopting large-parameter welding, and the using parameter range is wide.
Description
Technical Field
The utility model relates to an ultrasonic welding technical field especially relates to an ultrasonic bonding tool and ultrasonic welding device.
Background
Ultrasonic welding is a special method of joining components to be welded of the same metal or different metals by using mechanical vibration energy of ultrasonic frequency. When the component to be welded is subjected to ultrasonic welding, the current is not transmitted to the workpiece, a high-temperature heat source is not applied to the workpiece, and only under static pressure, the mechanical energy is converted into internal energy, deformation energy and limited temperature rise. Solid phase welding occurs when the two parent metals reach recrystallization temperature. Therefore, the phenomena of splashing, oxidation and the like generated during resistance welding are effectively overcome.
With the development of ultrasonic welding process, it has been widely used in various fields, and the shape of the welded part is gradually changed. As the aspect ratio of the components to be welded is gradually increased, the technical problem that a person skilled in the art at least has to find when welding with the existing ultrasonic welding tool is as follows:
1) when an existing ultrasonic welding tool is used for welding a to-be-welded assembly with a large width and a large height (the width-to-height ratio is more than or equal to 3), the to-be-welded assembly is easy to damage;
2) when larger welding parameters are adopted, the components to be welded are seriously damaged, the process capability index is lower, and the reliability requirement cannot be met.
Therefore, there is a need for a new ultrasonic welding head and an ultrasonic welding device, which are problems to be solved by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides an ultrasonic bonding tool and ultrasonic welding device, it treats when the welding subassembly at the welding aspect ratio than great (aspect ratio is greater than or equal to 3), and it is little to treat the damage of welding subassembly, satisfies the reliability requirement.
The utility model provides an ultrasonic wave bonding tool, include:
the handle connecting portion 100, it should be noted here that the cross section of the handle portion 100 is formed in a circular shape, but it is understood that the cross section of the handle portion 100 may also be formed in other shapes, such as an oval shape; and
the welding head 200, one end of the welding head 200 is connected with the handle connecting part 200, it should be noted here that the welding head 200 may be a connecting rod-like structure in the prior art, the cross section of the welding head is rectangular, the side surfaces of the handle connecting part 100 and the welding head 200 are respectively transitionally connected through a transition surface, so that the energy loss during ultrasonic welding can be reduced, and the welding head 200 is designed as a half-wavelength welding head; and
at least one welding tooth part 300, wherein one end of the welding tooth part 300 is connected with the side end of the welding head part 200, and preferably, the welding tooth parts 300 are respectively and symmetrically connected with the two side ends of the welding head part 200;
the angle alpha formed by one end of the welding tooth part 300 far away from the welding head part 200 and the axial lead of the welding head part 200 is more than 0 degree. It should be noted that α is an angle formed by a connecting line of two end points of a cross-sectional contour line of the end of the tooth part 300 away from the welding head part 200 and an axial line of the welding head part 200, the cross-sectional contour line of the end of the tooth part 300 away from the welding head part 200 may be a straight line, a curved line, a combination of a straight line and a straight line, a combination of a curved line and a curved line, or a combination of a straight line and a curved line, and the present application is not limited thereto, and meanwhile, a cross-sectional plane of the end of the tooth part 300 away from the welding head part 200 refers to a cross-sectional plane parallel to the axial line.
In one embodiment, the welding tooth part 300 includes:
a transition section 301, one end of the transition section 301 is connected with the side end of the welding head portion 200, it should be noted that the cross-sectional area of the transition section 301 decreases gradually in the direction from the welding head portion 200 to the welding end 302, and the cross section of the transition section 301 is a section parallel to the axial lead of the handle connecting portion 100; and
and one end of the welding end 302 is connected with one end of the transition section 301, which is far away from the welding head part 200, an angle alpha formed by a connecting line of two end points on a contour line of the cross section of the other end of the welding end 302 and the axial lead of the welding head part 200 is more than 0 degree, and the damage to a component to be welded during an ultrasonic welding process is effectively reduced through the angle design of the end face of the welding end 302.
In another embodiment, the contour line of the cross section of the welding end 302 away from the transition section 301 is a circular arc line, and the circular arc line is designed to be suitable for the components to be welded with the arc welding surface.
In a preferred embodiment, the contour of the cross-section of the end of the weld 302 remote from the transition 301 is a straight line.
Preferably, an angle formed by a connecting line of two end points on a cross section outline of one end of the welding end 302, which is far away from the transition section 301, and the axial line of the welding head part 200 is more than 1 degree and less than 6 degrees, and the damage to the component to be welded when the component to be welded with a large width-height ratio (the width-height ratio is more than or equal to 3) is welded is effectively solved through the design of the angle formed by the connecting line of the two end points and the axial line of the welding head part 200.
In one embodiment, a welding tooth unit 310 is further disposed on an end of the welding tooth portion 300 away from the welding head portion 200.
In one embodiment, the welding tooth units 310 are a plurality of welding teeth protruding from an end of the welding tooth portion 300 away from the welding head portion 200, and on an end surface of the welding end 302 away from the transition section 301, a connecting line of tooth tips of each welding tooth in a direction from one side end to the other side end coincides with a connecting line of two endpoints on a cross-sectional profile line of the end surface of the welding end 302, so that the two endpoints on the cross-sectional profile line of the end surface of the welding end 302 are on the same plane.
In another embodiment, the teeth-welding unit 310 is a plurality of raised teeth protruding from the end of the welding tooth 300 away from the welding head 200, the raised teeth are distributed along the cross-sectional profile line of the end surface of the welding tooth 300 away from the welding head 200, and the top end line of each raised tooth of the raised teeth coincides with the two end points of the cross-sectional profile line of the end surface of the welding end 302, so that the two end points of the cross-sectional profile line of the end surface of the welding end 302 are on the same plane.
In a preferred embodiment, the tooth welding unit 310 is a concave insection 311 distributed along the contour line of the cross section of the end surface of the welding tip 302 far away from the transition section 301, the concave insection 311 is distributed along the contour line of the cross section of the end surface of the welding tooth part 300 far away from the welding head part 200, and the connecting line of the top ends of the convex insections 311 coincides with the connecting line of the two end points on the cross section contour line of the end surface of the welding tip 302, so that the two end points on the cross section contour line of the end surface of the welding tip 302 are on the same plane.
In one embodiment, a detachable connecting portion 400 is fixedly connected to an end of the handle connecting portion 100 away from the welding head portion 200, and the detachable connecting portion 400 is used for detachably connecting with an ultrasonic driving head, so that the ultrasonic welding head can be conveniently replaced in use; the detachable connecting part 400 can be a connecting rod, limiting blocks are convexly arranged at the two side ends of the connecting rod, a blind hole is concavely arranged on the ultrasonic driving head and is arranged by being attached to the outer contour of the connecting rod and the limiting blocks, a sliding groove is also formed in the top end of the blind hole, the connecting rod is inserted into the concavely arranged blind hole in the ultrasonic driving head when in use, the connecting rod and the limiting blocks are inserted into the bottom end of the blind hole, and then the connecting rod is rotated and the limiting blocks are scribed into the sliding groove so as to be; the detachable connecting part 400 can also be a connecting rod, a magnet is fixed at one end of the connecting rod, which is far away from the welding head part 200, a blind hole is concavely arranged on the ultrasonic driving head, the inner diameter of the blind hole is arranged in a manner of being attached to the connecting rod, a ferromagnetic metal block (for example, metals such as iron, nickel, cobalt and the like) is fixed at the inner bottom end of the blind hole, and when the detachable connecting part is used, the connecting rod is inserted into the concavely arranged blind hole on the ultrasonic driving head 700 and is fixed through the magnetic attraction between the magnet and; of course, the detachable connection portion 400 may also be other structures in the prior art, and the application is not limited thereto.
In a preferred embodiment, the detachable connection portion 400 is a connection screw, a blind hole is recessed at an end of the ultrasonic driving head close to the ultrasonic welding head, a thread is arranged in the blind hole, and the thread cooperates with the thread on the connection screw to form a screw pair.
The utility model discloses an ultrasonic welding device, including transducer 600, ultrasonic drive head 700, still include:
when the ultrasonic welding head is used, the ultrasonic welding head is detachably connected with the ultrasonic driving head;
the ultrasonic driving head 700 is provided with a connecting component matched with the detachable connecting part 400 at one end close to the ultrasonic welding head.
Compared with the prior art, the utility model discloses following beneficial effect has:
the utility model discloses an ultrasonic wave bonding tool keeps away from the angle design of bonding tool portion terminal surface through the welded end to among the prior art of solving effectively, weld the width-height ratio and be greater than or equal to 3 treat when welding assembly, treat the big problem of damage of welding assembly. When the low-voltage wire harness and the terminal in the automobile are welded, the wire harness is slightly damaged, even if a single wire W/H (width-to-height ratio) of the wire harness terminal is large, the tearing force requirement is still met by adopting large-parameter welding, and the using parameter range is wide.
In one embodiment, through the arrangement of the welding tooth unit, the concave insection (namely the female insection) is adopted, so that the damage to the components to be welded is further reduced, and the welding tooth unit is more suitable for welding the components to be welded (such as a low-voltage wire harness and a terminal in an automobile) with the aspect ratio of more than or equal to 3.
In another embodiment, through the setting of this embodiment through dismantling connecting portion for the user is when the welding head portion needs to be changed, through rotatory handle connecting portion, thereby the threaded fit in the blind hole that connecting screw and ultrasonic drive overhead concave establishment is fixed, and fixed stable firm, it is convenient to dismantle.
The ultrasonic welding device of the utility model does not damage the components to be welded when the welding width-height ratio is more than or equal to 3, thereby increasing the process capability index of the welding process; meanwhile, the tearing force requirement is still met by adopting large-parameter welding, and the using parameter range is wide. And, the utility model discloses an ultrasonic welding device more is applicable to inside low pressure pencil of welding car and terminal, and is little to the pencil damage during the welding.
Drawings
FIG. 1 is a schematic width and height view of a component to be welded;
fig. 2 is a schematic structural view of an ultrasonic welding head of the present invention;
FIG. 3 is an enlarged view of part A of an ultrasonic horn according to the present invention;
fig. 4 is a schematic structural view of an embodiment of an ultrasonic horn of the present invention;
fig. 5 is a schematic structural diagram of an ultrasonic welding apparatus according to the present invention.
Detailed Description
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present application. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the present application, as detailed in the appended claims.
The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used in this application and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.
Meanwhile, in the description of the present application, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referred devices or elements must have a specific orientation, be configured and operated in a specific orientation, and thus, are not to be construed as limiting the present application.
In addition, in the present application, "set up", "locate" and "be provided" may be provided as a fixed connection, may also be provided as an integral body, may also be provided as a detachable fixed connection, and those skilled in the art may select a suitable setting mode according to different situations.
The present invention will be further explained with reference to the drawings and the embodiments.
Referring to fig. 2, the present invention provides an ultrasonic welding head, comprising:
the handle connecting portion 100, it should be noted here that the cross section of the handle portion 100 is formed in a circular shape, but it is understood that the cross section of the handle portion 100 may also be formed in other shapes, such as an oval shape; and
the welding head 200, one end of the welding head 200 is connected with the handle connecting part 200, it should be noted here that the welding head 200 may be a connecting rod-like structure in the prior art, the cross section of the welding head is rectangular, the side surfaces of the handle connecting part 100 and the welding head 200 are respectively transitionally connected through a transition surface, so that the energy loss during ultrasonic welding can be reduced, and the welding head 200 is designed as a half-wavelength welding head; and
at least one welding tooth part 300, wherein one end of the welding tooth part 300 is connected with the side end of the welding head part 200, and preferably, the welding tooth parts 300 are respectively and symmetrically connected with the two side ends of the welding head part 200;
the angle alpha formed by one end of the welding tooth part 300 far away from the welding head part 200 and the axial lead of the welding head part 200 is more than 0 degree. It should be noted that α is an angle formed by a connecting line of two end points of a cross-sectional contour line of the end of the tooth part 300 away from the welding head part 200 and an axial line of the welding head part 200, the cross-sectional contour line of the end of the tooth part 300 away from the welding head part 200 may be a straight line, a curved line, a combination of a straight line and a straight line, a combination of a curved line and a curved line, or a combination of a straight line and a curved line, and the present application is not limited thereto, and meanwhile, a cross-sectional plane of the end of the tooth part 300 away from the welding head part 200 refers to a cross-sectional plane parallel to the axial line.
Example 1
Referring to fig. 2 and 3, in the present embodiment, the welding tooth portion 300 includes:
a transition section 301, one end of the transition section 301 is connected with the side end of the welding head portion 200, it should be noted that the cross-sectional area of the transition section 301 decreases gradually in the direction from the welding head portion 200 to the welding end 302, and the cross section of the transition section 301 is a section parallel to the axial lead of the handle connecting portion 100; and
and one end of the welding end 302 is connected with one end of the transition section 301, which is far away from the welding head part 200, an angle alpha formed by a connecting line of two end points on a contour line of the cross section of the other end of the welding end 302 and the axial lead of the welding head part 200 is more than 0 degree, and the damage to a component to be welded during an ultrasonic welding process is effectively reduced through the angle design of the end face of the welding end 302.
In this embodiment, by the design that the welding end 302 is far away from the end surface of the welding head portion 200, the problem that the damage to the component to be welded is large when the component to be welded with the aspect ratio not less than 3 (see fig. 1) is welded in the prior art can be effectively solved.
Take inside low pressure pencil of welding car and terminal as an example, prior art's ultrasonic bonding tool often can cause the low pressure pencil to damage seriously when welding low pressure pencil and terminal, causes the welding simultaneously easily and tears the pulling force unstable, and current bonding tool is in order to reduce the wounded line, and welding parameter can not be too big to parameter adjustable range is narrow.
The embodiment effectively overcomes the defects in the prior art, the damage to the wire harness is small, even if a single wire W/H (width-to-height ratio) is a large wire harness terminal, the tearing force requirement is still met by adopting large-parameter welding, and the using parameter range is wide.
Example 2
As a preferred embodiment of embodiment 1, in this embodiment, the contour line of the cross section of the end of the welding end 302 away from the transition section 301 is a circular arc line, and the circular arc line is designed to be adapted to the to-be-welded component with a circular arc welding surface.
In this embodiment, the cross-sectional profile of the weld end 302 away from the transition section 301 includes a first side 501, a second side 502, and a top side 503. The first side edge 501 is connected to the top edge 503, the second side edge 503 is connected to the top plate 503 by a transition arc 504, and the second side edge 502 is at an angle β to the top edge 503. The top edge 503 is a circular arc so that the ultrasonic horn in this embodiment can accommodate the components to be welded with a curved weld surface.
Compared with embodiment 1, the present embodiment has the following beneficial effects:
the top edge 503 of the present embodiment is a circular arc, so the ultrasonic horn of the present embodiment can adapt to the components to be welded with a circular arc welding surface, and meanwhile, because the angle α formed by the top edge 503 and the axial line of the horn part 200 is greater than 0 °, the damage to the components to be welded is small during welding.
Example 3
As a preferred embodiment of the embodiment 1, in the present embodiment, the contour line of the cross section of the end of the welding end 302 far away from the transition section 301 is a straight line.
Referring to fig. 3, in the present embodiment, a cross-sectional contour of the end of the welding tip 302 away from the transition section 301 includes a first side 501, a second side 502, and a top side 503. The first side edge 501 is connected to the top edge 503, the second side edge 503 is connected to the top plate 503 by a transition arc 504, and the second side edge 502 is at an angle β to the top edge 503. The top edge 503 is a straight line so that the ultrasonic horn in this embodiment can accommodate welding of low voltage wire harnesses and terminals inside an automobile.
Compared with embodiment 2, this embodiment has the following beneficial effects:
the ultrasonic welding head of this embodiment is more applicable to the welding to the inside low pressure pencil of car and terminal, and it is little to the pencil damage when using, even the great pencil terminal of single line W/H (aspect ratio), adopts big parameter welding still to satisfy the tearing power requirement, and the service parameter scope is wide.
Example 4
As a preferred embodiment of embodiments 2 and 3, in this embodiment, referring to fig. 3, an angle formed by a connecting line of two end points on a cross section profile line of one end of the welding end 302 away from the transition section 301 and an axial line of the welding head portion 200 is 1 ° < α < 6 °, and by designing an angle formed by the connecting line of the two end points and the axial line of the welding head portion 200, damage to a component to be welded when welding a component to be welded with a large width-height ratio (width-height ratio is greater than or equal to 3) (referring to fig. 1) is effectively solved.
In the present embodiment, referring to fig. 3, a cross-sectional contour of the end of the welding end 302 away from the transition section 301 includes a first side 501, a second side 502 and a top side 503. The first side edge 501 is connected to the top edge 503, the second side edge 503 is connected to the top plate 503 by a transition arc 504, and the second side edge 502 is at an angle β to the top edge 503. The angle between the top edge 503 and the axial line of the welding head part 200 is more than 1 degree and less than alpha and less than 6 degrees, and simultaneously, the angle is more than 91 degrees and less than beta and less than 96 degrees.
Compared with the above embodiments, the present embodiment has the following advantages:
in the embodiment, by setting the angle α between the top edge 503 and the axial line of the welding head 200 and setting the angle β between the second side edge 502 and the top edge 503, the damage to the component to be welded when the component to be welded with a large width and height (the width and height ratio is not less than 3) is welded is greatly reduced, and the process capability index of the welding process is increased.
Example 5
As a preferred embodiment of the above embodiment, in the present embodiment, a welding tooth unit 310 is further disposed on an end of the welding tooth portion 300 away from the welding head portion 200.
The welding tooth units 310 are a plurality of welding teeth which are convexly arranged at one end of the welding tooth part 300, which is far away from the welding head part 200, on one end face of the welding end 302, which is far away from the transition section 301, the connecting line of the top ends of the welding teeth in the direction from one side end to the other side end is superposed with the connecting line of two end points on the cross-section contour line of the end face of the welding end 302, so that the two end points on the cross-section contour line of the end face of the welding end 302 are positioned on the same plane.
Compared with the above embodiments, the present embodiment has the following advantages:
in this embodiment, the welding efficiency of the ultrasonic welding head is greatly increased by the arrangement of the welding tooth unit 310, and the connecting line of the tip end of each welding tooth coincides with the connecting line of two end points on the cross-sectional profile line of the end face of the welding end 302, so that one end to the other end of the end face of the welding end 302 are located on the same plane, and the damage to the component to be welded is further reduced.
Example 6
As a preferred embodiment of embodiments 1 to 4, in this embodiment, a welding tooth unit 310 is further disposed on an end of the welding tooth portion 300 away from the welding head portion 200.
The welding tooth unit 310 is a plurality of raised tooth patterns (i.e. male tooth patterns) which are convexly arranged at one end of the welding tooth part 300, which is far away from the welding head part 200, and the raised tooth patterns are distributed along the direction of the cross-section contour line of the end surface of the welding tooth part 300, which is far away from the welding head part 200, and the top end connecting line of each raised tooth of the raised tooth patterns is superposed with the connecting line of two end points on the cross-section contour line of the end surface of the welding end 302, so that the two end points on the cross-section contour line of the end surface of the welding end 302.
Compared with the above embodiments, the present embodiment has the following advantages:
in this embodiment, the welding efficiency of the ultrasonic welding head is greatly increased by the arrangement of the welding tooth unit 310, and the connecting line of the tip end of each welding tooth coincides with the connecting line of two end points on the cross-sectional profile line of the end face of the welding end 302, so that one end to the other end of the end face of the welding end 302 are located on the same plane, and the damage to the component to be welded is further reduced.
Example 7
As a preferred embodiment of embodiments 1 to 4, in this embodiment, a welding tooth unit 310 is further disposed on an end of the welding tooth portion 300 away from the welding head portion 200.
Referring to fig. 3, the tooth welding unit 310 is a concave insection 311 distributed along a contour line direction of a cross section of the end of the welding terminal 302 far from the transition section 301, the concave insection 311 is distributed along a contour line direction of a cross section of an end face of the welding tooth portion 300 far from the welding head portion 200, a connecting line of a top end of each convex tooth of the concave insection 311 is overlapped with a connecting line of two end points on the contour line of the cross section of the end face of the welding terminal 302, so that the two end points on the contour line of the cross section of the end face of the welding terminal 302 are on the same plane.
The embodiment has the following beneficial effects:
in this embodiment, the welding efficiency of the ultrasonic welding head is greatly increased by the arrangement of the tooth welding unit 310, and meanwhile, the tooth welding unit 310 adopts the concave insection 311 (i.e., the female insection), so that compared with embodiments 5 and 6, the damage to the components to be welded is further reduced, and the tooth welding unit is more suitable for welding the components to be welded (such as a low-voltage wire harness and a terminal in an automobile) with the aspect ratio of not less than 3.
Example 8
As a preferred embodiment of the above embodiment, in the present embodiment, a detachable connecting portion 400 is fixedly connected to an end of the handle connecting portion 100 away from the welding head portion 200, and the detachable connecting portion 400 is detachably connected to the ultrasonic driving head, so that the ultrasonic welding head can be conveniently replaced during use.
Detachable connecting portion 400 can be the connecting rod, the protruding stopper that is equipped with in connecting rod both sides end ultrasonic drive head 700 goes up the concave blind hole that is equipped with, blind hole laminating connecting rod and stopper outline set up, still seted up the spout on the blind hole top, insert the blind hole that ultrasonic drive was overhead to establish with the connecting rod when using, connecting rod and stopper insert the blind hole bottom, thereby rotatory connecting rod afterwards, thereby the stopper is drawn into in the spout and is fixed.
Compared with the above embodiments, the present embodiment has the following advantages:
in the embodiment, by the arrangement of the detachable connecting part 400, when the user needs to replace the welding head part 200, the limiting block on the side end of the connecting rod slides out of the sliding groove by rotating the connecting rod, and then the connecting rod is pulled out; when the ultrasonic driving head is installed, the connecting rod is inserted into a blind hole concavely formed in the ultrasonic driving head, the connecting rod and the limiting block are inserted into the bottom end of the blind hole, and then the connecting rod is rotated, and the limiting block is scratched into the sliding groove to be fixed. The disassembly and the assembly are convenient.
Example 9
As a preferred embodiment of embodiments 1 to 7, in this embodiment, a detachable connecting portion 400 is fixedly connected to an end of the handle connecting portion 100 away from the welding head portion 200, and the detachable connecting portion 400 is used for detachably connecting with an ultrasonic driving head, so that the ultrasonic welding head can be conveniently replaced when in use;
the detachable connection part 400 may also be a connection rod, a magnet is fixed on one end of the connection rod away from the welding head part 200, a blind hole is concavely provided on the ultrasonic driving head 700, the inner diameter of the blind hole is arranged in a manner of being attached to the connection rod, a ferromagnetic metal block (for example, metal such as iron, nickel, cobalt, etc.) is fixed at the inner bottom end of the blind hole, and when in use, the connection rod is inserted into the blind hole concavely provided on the ultrasonic driving head and is fixed through magnetic attraction between the magnet and the ferromagnetic metal block.
Compared with the above embodiments, the present embodiment has the following advantages:
in the embodiment, by arranging the detachable connecting part 400, when the welding head part 200 needs to be replaced, a user can replace the welding head part by pulling out the connecting rod with force; when the magnetic iron-based connecting rod is installed, the connecting rod is inserted into the blind hole and is fixed through the magnetic attraction between the magnet and the ferromagnetic metal block. The disassembly and the assembly are convenient.
Example 10
As a preferred embodiment of examples 8 and 9, in this embodiment, referring to fig. 4, a detachable connecting portion 400 is fixedly connected to an end of the handle connecting portion 100 away from the welding head portion 200, and the detachable connecting portion 400 is detachably connected to an ultrasonic driving head 700, so that the ultrasonic welding head can be conveniently replaced during use;
the detachable connecting portion 400 is a connecting screw, a blind hole is concavely formed in one end, close to the ultrasonic welding head, of the ultrasonic driving head, threads are arranged in the blind hole, and the threads are matched with the threads on the connecting screw to form a screw pair.
Compared with embodiments 8 and 9, the present embodiment has the following advantages:
in the present embodiment, by the arrangement of the detachable connection portion 400, when the user needs to replace the welding head portion 200, the user rotates the handle connection portion 100, so that the connection screw is fixed in the blind hole recessed in the ultrasonic driving head 700 in a matching manner. Compared with the above embodiment, the fixing of the present embodiment is more stable and firm, and the disassembly is convenient.
Referring to fig. 5, the ultrasonic welding apparatus of the present invention includes a transducer 600, an ultrasonic driving head 700, and further includes:
when the ultrasonic welding head is used, the ultrasonic welding head is detachably connected with the ultrasonic driving head;
the ultrasonic driving head 700 is provided with a connecting component matched with the detachable connecting part 400 at one end close to the ultrasonic welding head.
It should be noted that the embodiments of the present invention are written in a progressive manner, and the differences from the previous embodiments are mainly described, and the same parts in the embodiments may refer to the previous embodiments.
The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.
Claims (9)
1. An ultrasonic horn, comprising:
a handle connecting portion (100); and
a welding head part (200), wherein one end of the welding head part (200) is connected with the handle connecting part (100); and
at least one welding tooth part (300), wherein one end of the welding tooth part (300) is connected with the side end of the welding head part (200);
the angle alpha formed by one end of the welding tooth part (300) far away from the welding head part (200) and the axial lead of the welding head part (200) is more than 0 degree.
2. An ultrasonic horn according to claim 1 wherein said horn section (300) comprises:
the transition section (301), one end of the transition section (301) is connected with the side end of the welding head part (200); and
one end of the welding end (302) is connected with one end of the transition section (301) far away from the welding head part (200), and an angle alpha formed by a connecting line of two end points on a contour line of the cross section of the other end of the welding end (302) and the axial lead of the welding head part (200) is larger than 0 degree.
3. An ultrasonic horn according to claim 2 wherein the contour of the cross-section of the end of the weld (302) remote from the transition (301) is a straight line.
4. An ultrasonic horn according to claim 2 or 3 wherein the line joining the two end points of the cross-sectional profile of the end of the weld end (302) remote from the transition (301) makes an angle of 1 ° < α < 6 ° with the axis of the horn section (200).
5. An ultrasonic horn according to any one of claims 1 to 3 wherein a tooth unit (310) is provided at the end of the tooth portion (300) remote from the horn head (200).
6. An ultrasonic horn according to claim 5 wherein the tooth units (310) are indented (311) distributed along the contour of the cross-section of the end of the weld (302) remote from the transition (301).
7. An ultrasonic horn according to claim 1 wherein the handle attachment portion (100) is fixedly connected at an end remote from the horn portion (200) to a detachable attachment portion (400).
8. An ultrasonic horn according to claim 7 wherein the releasable attachment (400) is an attachment screw.
9. An ultrasonic welding apparatus comprising a transducer (600), an ultrasonic drive head (700), and further comprising:
the ultrasonic horn of any one of claims 1-8;
one end of the ultrasonic driving head (700) close to the ultrasonic welding head is provided with a connecting component matched with the detachable connecting part (400).
Priority Applications (1)
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| CN114012237A (en) * | 2021-12-07 | 2022-02-08 | 广州市和瑞超声科技有限公司 | Ultrasonic welding structure and ultrasonic metal welding machine thereof |
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| CN114012237A (en) * | 2021-12-07 | 2022-02-08 | 广州市和瑞超声科技有限公司 | Ultrasonic welding structure and ultrasonic metal welding machine thereof |
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