CN217290865U

CN217290865U - Ultrasonic welding equipment

Info

Publication number: CN217290865U
Application number: CN202220423518.6U
Authority: CN
Inventors: 许雄; 罗志高
Original assignee: Jiangsu Zenergy Battery Technologies Co Ltd
Current assignee: Jiangsu Zenio New Energy Battery Technologies Co Ltd
Priority date: 2022-02-28
Filing date: 2022-02-28
Publication date: 2022-08-26
Anticipated expiration: 2032-02-28

Abstract

The utility model relates to the technical field of ultrasonic welding, and discloses ultrasonic welding equipment, which comprises a material conveying mechanism; the conveying mechanism comprises a positioning jig for positioning a workpiece and a driving device for driving the positioning jig to move from a first welding position to a second welding position along a preset path, and the distance value between the first welding position and the second welding position is smaller than the length value of the workpiece. The ultrasonic welding equipment of this embodiment can effectively promote work piece welding efficiency, promotes the output of unit interval.

Description

Ultrasonic welding equipment

Technical Field

The utility model relates to an ultrasonic welding technical field especially relates to an ultrasonic welding equipment.

Background

The principle of ultrasonic metal welding is a special method for connecting the same kind of metal or different kinds of metal by using mechanical vibration energy with ultrasonic frequency (more than 16 KHz). When the metal is subjected to ultrasonic welding, current is not transmitted to the workpiece, a high-temperature heat source is not applied to the workpiece, the wireframe vibration energy is converted into friction work, deformation energy and limited temperature rise among the workpieces under the static pressure, and the metallurgical bonding among joints is solid welding realized under the condition that a base metal is not melted.

In the current ultrasonic welding equipment, a positioning jig is fixed on a rack, the positioning jig cannot move, when at least two welding spots exist on a workpiece on the positioning jig, a welding head assembly needs to be moved to a first welding spot for welding, and the welding head assembly needs to be transferred to a second welding spot for welding after welding is completed. In the prior art, the welding head assembly has larger relative mass and larger inertia, so that more time is needed for accurately moving the welding head assembly from a first welding point to a second welding point, and the processing efficiency of ultrasonic welding cannot be obviously improved.

In view of this, an ultrasonic welding device is designed to further improve the processing efficiency of ultrasonic welding.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an ultrasonic bonding equipment to further promote ultrasonic bonding's machining efficiency.

To achieve the purpose, the utility model adopts the following technical proposal:

an ultrasonic welding device comprises a material conveying mechanism;

the conveying mechanism comprises a positioning jig for positioning a workpiece and a driving device for driving the positioning jig to move from a first welding position to a second welding position along a preset path, and the distance value between the first welding position and the second welding position is smaller than the length value of the workpiece.

Optionally, the driving device includes a slide rail, a support bracket slidably mounted on the slide rail, and a driving module for driving the support bracket to move along the slide rail;

the positioning jig is fixedly connected with the supporting bracket.

Optionally, the ultrasonic welding device further comprises a support frame, and the slide rail is mounted on the support frame;

the support frame is further fixedly connected with edges of reinforcing plates arranged on the sliding rails, the reinforcing plates are provided with a first side face and a second side face which are oppositely arranged, and a first sliding block and a second sliding block are arranged on the support bracket and can be attached to the first side face in a sliding mode.

Optionally, the slide rail includes a first slide rail and a second slide rail that are arranged in parallel at intervals, the reinforcing plate is located between the first slide rail and the second slide rail, and the support bracket is respectively connected to the first slide rail and the second slide rail in a sliding manner.

Optionally, the ultrasonic welding equipment further comprises a welding mechanism, wherein the welding mechanism comprises a welding head assembly and an electrode holder assembly, and the welding head assembly and the electrode holder assembly are arranged correspondingly;

the welding head assembly comprises an ultrasonic welding head and a first lifting device for driving the ultrasonic welding head to abut against the top surface of the workpiece;

the welding seat assembly comprises a welding seat and a second lifting device used for driving the welding seat to abut against the bottom surface of the workpiece.

Optionally, the ultrasonic welding head and the welding seat can generate ultrasonic vibration.

Optionally, the ultrasonic welding equipment further comprises a gantry, and the welding head assembly is fixedly connected with the gantry.

Optionally, the weld head assembly further comprises an amplitude modulator coupled to the ultrasonic weld head and a transducer coupled to the amplitude modulator.

Optionally, the ultrasonic welding head and the weld nest generate ultrasonic vibrations at the same frequency.

Optionally, the sliding rail is linear, arc-shaped or annular.

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

in this embodiment, the first welding position and the second welding position are specifically set according to the first welding point and the second welding point of the workpiece, and the driving device can drive the positioning jig to move from the first welding position to the second welding position, so that the moving stroke of the welding head assembly can be effectively saved, the welding head assembly can complete the welding of the second welding point on the workpiece more quickly, and the welding efficiency can be effectively improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive exercise.

The structure, ratio, size and the like shown in the drawings of the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention does not have the substantial significance in the technology, and any structure modification, ratio relationship change or size adjustment should still fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy which can be produced by the present invention and the achievable purpose.

Fig. 1 is a schematic front view of an ultrasonic welding apparatus according to an embodiment of the present invention;

FIG. 2 is an enlarged schematic view of the ultrasonic welding apparatus of FIG. 2 at position A;

fig. 3 is an isometric view of an ultrasonic welding apparatus in accordance with an embodiment of the present invention;

fig. 4 is a schematic perspective view of an ultrasonic welding apparatus according to an embodiment of the present invention.

Illustration of the drawings: 1. positioning a jig; 2. a drive device; 21. a slide rail; 211. a first slide rail; 212. a second slide rail; 22. a support bracket; 221. a first slider; 222. a second slider; 3. a reinforcing plate; 4. a welding head assembly; 41. welding a head by ultrasonic welding; 42. a first lifting device; 43. a transducer; 44. an amplitude modulator; 5. a solder seat assembly; 51. welding a base; 52. a second lifting device; 100. a support frame; 200. a portal frame.

Detailed Description

In order to make the objects, features and advantages of the present invention more obvious and understandable, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention, and obviously, the embodiments described below are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "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 device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention. It should be noted that when one component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present.

The technical solution of the present invention is further explained by the following embodiments with reference to the drawings.

The embodiment of the utility model provides an ultrasonic welding equipment, 2 drive arrangement can drive positioning jig 1 and remove to second welding position from first welding position, can effectively reduce bonding tool subassembly 4's removal distance, need not bonding tool subassembly 4 even and remove on the horizontal plane, can accomplish the welding to two solder joints on the work piece, can effectively promote welding efficiency.

Referring to fig. 1 to 4, the ultrasonic welding apparatus includes a feeding mechanism;

the material conveying mechanism comprises a positioning jig 1 for positioning a workpiece and a driving device 2 for driving the positioning jig 1 to move from a first welding position to a second welding position along a preset path, and the distance value between the first welding position and the second welding position is smaller than the length value of the workpiece.

Specifically, the first welding position is a position where the welding head assembly 4 performs ultrasonic welding on a first welding point on the workpiece, and the second welding position is a position where the welding head assembly 4 performs ultrasonic welding on a second welding point on the workpiece.

In this embodiment, the moving distance of the welding head assembly 4 can be effectively reduced due to the movement of the positioning jig 1; even though the welding head assembly 4 can not move, because the driving device only needs to drive the positioning jig 1 and the workpiece on the positioning jig 1 to move, the inertia is smaller, so that the welding head assembly can be quickly and accurately moved to a welding position, the auxiliary time of ultrasonic welding is shortened, and the processing efficiency of ultrasonic welding is improved.

It should also be noted that the driving device may be a belt conveying mechanism, wherein the positioning fixture 1 may be fixedly connected with the conveying belt; similarly, the driving device may also be a chain transmission structure, a belt-following mechanism, a linear guide rail or a circular guide rail mechanism, or other devices capable of moving the positioning fixture 1 from the first welding position to the second welding position.

In a specific embodiment, the driving device 2 includes a slide rail 21, a support bracket 22 slidably mounted on the slide rail 21, and a driving module for driving the support bracket 22 to move along the slide rail 21;

the positioning fixture 1 is fixedly connected with the support bracket 22.

Specifically, the driving module may be a cylinder, a motor screw transmission structure, or other structures capable of driving the positioning fixture 1 to move from the first welding position to the second welding position. The cylinder can control the positioning jig 1 at the first welding position or the second welding position by controlling the length of the telescopic rod; the motor screw rod mechanism drives the screw rod to rotate through the motor, and the screw rod nut on the screw rod drives the positioning jig 1 to move from the first welding position to the second welding position.

Optionally, the ultrasonic welding apparatus further includes a supporting frame 100 for supporting, and the sliding rail 21 is mounted on the supporting frame 100;

the supporting frame 100 is further fixedly connected with a reinforcing plate 3 disposed along the sliding rail 21, the reinforcing plate 3 has a first side surface and a second side surface disposed oppositely, and the supporting bracket 22 is provided with a first sliding block 221 slidably attached to the first side surface and a second sliding block 222 slidably attached to the second side surface. The first sliding block 221 and the second sliding block 222 are both fixedly connected to the support bracket 22.

Specifically, the arrangement of the reinforcing plate 3 can improve the positioning accuracy of the positioning jig 1, and avoid the situation that the positioning jig 1 is inclined due to the overlarge pressure on the workpiece. That is, the arrangement of the reinforcing plate 3 improves the structural strength, and is favorable for accurate positioning of workpieces.

Optionally, the slide rail 21 includes a first slide rail 211 and a second slide rail 212 that are disposed in parallel at an interval, the reinforcing plate 3 is located between the first slide rail 211 and the second slide rail 212, and the supporting bracket 22 is slidably connected to the first slide rail 211 and the second slide rail 212, respectively.

In this embodiment, the first slide rail 211 and the second slide rail 212 are disposed in parallel, so as to further improve the sliding stability of the support bracket 22. In addition, the reinforcing plate 3 is disposed between the first slide rail 211 and the second slide rail 212, and is used for balancing the stress between the first slide rail 211 and the second slide rail 212, and avoiding the first slide rail 211 or the second slide rail 212 from being excessively stressed.

Optionally, the ultrasonic welding equipment further comprises a welding mechanism, the welding mechanism comprises a welding head assembly 4 and an welding seat assembly 5, and the welding head assembly 4 and the welding seat assembly 5 are correspondingly arranged;

the welding head assembly 4 comprises an ultrasonic welding head 41 and a first lifting device 42 for driving the ultrasonic welding head 41 to abut against the top surface of the workpiece;

the welding seat assembly 5 comprises a welding seat 51 and a second lifting device 52 for driving the welding seat 51 to abut against the bottom surface of the workpiece.

In this embodiment, the ultrasonic welding head 41 is located directly above the welding seat 51, when the positioning fixture 1 moves to the first welding position or the second welding position, the welding seat 51 is driven to rise, so that the welding seat 51 abuts against the bottom side surface of the workpiece in the positioning fixture 1, the welding seat 51 supports the workpiece, and then the ultrasonic welding head 41 is driven to press against the top side surface of the workpiece to weld the workpiece. The workpiece may be a single part, a combination of two parts, or a combination of a plurality of parts.

Alternatively, both the ultrasonic bonding head 41 and the bonding pad 51 can generate ultrasonic vibrations to bond the workpieces.

Optionally, the ultrasonic welding apparatus further includes a gantry 200, and the welding head assembly 4 is fixedly connected to the gantry 200.

Specifically, the portal frame 200 spans the driving device 2, so that the structural stability of the welding head assembly 4 is further improved, the welding head assembly 4 and the welding seat assembly 5 do not need to move at the moment, the welding effect on the workpiece can be better, and the welding head assembly 4 and the welding seat assembly 5 can be always kept accurate and relative.

Optionally, the horn assembly 4 further includes an amplitude modulator 44 connected to the ultrasonic horn 41 and a transducer 43 connected to the amplitude modulator 44.

The transducer 43 converts the high frequency and high voltage of the electric into mechanical vibration, and the amplitude modulator 44 is responsible for amplitude amplification to weld the product.

Alternatively, the ultrasonic vibrations generated by the ultrasonic bonding head 41 and the bonding socket 51 have the same frequency. The ultrasonic welding head 41 and the welding seat 51 can generate ultrasonic vibration with the same frequency, so that the ultrasonic welding head and the welding seat form resonance, and the energy received by the workpiece is larger, so that the workpiece is easier to weld, the phenomenon of false welding of the workpiece is avoided, the welding stability is improved, and the production yield and the safety performance of the workpiece are finally improved.

Alternatively, the slide rail 21 is linear, arcuate or annular. Specifically, the shape of the slide rail 21 may be specifically set according to the positional relationship of the first welding point and the second welding point to meet the production requirements.

It should be noted that, herein, relational terms such as first and second, and the like are used solely to illustrate and describe embodiments of the present invention, and it will be understood by those skilled in the art that various changes, modifications, substitutions, and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims and equivalents thereof.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications or substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. An ultrasonic welding device is characterized by comprising a material conveying mechanism;

the conveying mechanism comprises a positioning jig (1) used for positioning a workpiece and a driving device (2) used for driving the positioning jig (1) to move from a first welding position to a second welding position along a preset path, and the distance value between the first welding position and the second welding position is smaller than the length value of the workpiece.

2. The ultrasonic welding apparatus according to claim 1, wherein the driving device (2) comprises a slide rail (21), a support bracket (22) slidably mounted on the slide rail (21), and a driving module for driving the support bracket (22) to move along the slide rail (21);

the positioning jig (1) is fixedly connected with the support bracket (22).

3. The ultrasonic welding apparatus of claim 2, further comprising a support frame (100), said slide rail (21) being mounted on said support frame (100);

still fixedly connected with edge on support frame (100) reinforcing plate (3) that slide rail (21) set up, reinforcing plate (3) have relative first side and the second side that sets up, set up on support bracket (22) slidable laminate in first sliding block (221) on the first side and slidable laminate in second sliding block (222) on the second side.

4. The ultrasonic welding apparatus according to claim 3, wherein the slide rail (21) comprises a first slide rail (211) and a second slide rail (212) which are arranged in parallel at intervals, the reinforcing plate (3) is located between the first slide rail (211) and the second slide rail (212), and the support bracket (22) is slidably connected with the first slide rail (211) and the second slide rail (212), respectively.

5. The ultrasonic welding apparatus according to claim 1, further comprising a welding mechanism, wherein the welding mechanism comprises a welding head assembly (4) and an anvil assembly (5), and the welding head assembly (4) and the anvil assembly (5) are correspondingly arranged;

the welding head assembly (4) comprises an ultrasonic welding head (41) and a first lifting device (42) which is used for driving the ultrasonic welding head (41) to abut against the top surface of the workpiece;

the welding seat assembly (5) comprises a welding seat (51) and a second lifting device (52) used for driving the welding seat (51) to abut against the bottom surface of the workpiece.

6. The ultrasonic welding apparatus according to claim 5, characterized in that both the ultrasonic welding head (41) and the welding seat (51) are capable of generating ultrasonic vibrations.

7. The ultrasonic welding apparatus of claim 5, further comprising a gantry (200), wherein the horn assembly (4) is fixedly coupled to the gantry (200).

8. The ultrasonic welding apparatus according to claim 5, characterized in that the horn assembly (4) further comprises an amplitude modulator (44) connected to the ultrasonic welding head (41) and a transducer (43) connected to the amplitude modulator (44).

9. The ultrasonic welding apparatus according to claim 5, characterized in that the ultrasonic welding head (41) and the welding seat (51) generate ultrasonic vibrations of the same frequency.

10. The ultrasonic welding apparatus according to claim 2, characterized in that the slide rail (21) is linear, arcuate or annular.