CN215747057U

CN215747057U - Ultrasonic roll welding device

Info

Publication number: CN215747057U
Application number: CN202121585648.1U
Authority: CN
Inventors: 严卓晟; 严卓理
Original assignee: Guangzhou Newpower Ultrasonic Electronic Equipment Co Ltd
Current assignee: Guangzhou Newpower Ultrasonic Electronic Equipment Co Ltd
Priority date: 2021-07-13
Filing date: 2021-07-13
Publication date: 2022-02-08
Anticipated expiration: 2031-07-13

Abstract

The utility model discloses an ultrasonic seam welding device, which comprises a processing table for bearing a workpiece and a movable seat arranged above the processing table, wherein the movable seat is provided with a plurality of grooves; the moving seat is provided with an ultrasonic welding mechanism, and the ultrasonic welding mechanism comprises a welding roller which is rotatably arranged on the moving seat; the movable seat is driven by a first driver to realize linear movement, and the movable seat is driven by a second driver to realize lifting; the ultrasonic welding mechanism also comprises an amplitude transformer and an energy transducer which are sequentially connected with the welding roller, and the energy transducer is electrically connected with an ultrasonic generator; the two ends of the welding roller are fixedly provided with rotating shafts, and the rotating shafts are rotatably arranged on the movable seat through bearings. Order about the welding gyro wheel through first driver and follow rectilinear movement to make the butt joint department of two work pieces and welding gyro wheel fully contact, avoid the butt joint department of two work pieces to appear leaking the condition of welding, make welding effect better.

Description

Ultrasonic roll welding device

Technical Field

The utility model relates to the technical field of ultrasonic seam welders, in particular to an ultrasonic seam welding device.

Background

Ultrasonic welding is performed by transmitting a high-frequency vibration wave to the surfaces of two objects to be welded, and rubbing the surfaces of the two objects against each other under pressure to form a fusion between the molecular layers. According to welding requirements, ultrasonic welding equipment comprises a spot welding machine, a seam welding machine and the like, wherein the seam welding machine is used for the condition that the butt joint of two workpieces is long, for example, two rolls of metal foil strips are butted; when the existing seam welder welds the metal foil strips, the welding effect is not good enough.

SUMMERY OF THE UTILITY MODEL

In view of the above, the utility model provides an ultrasonic roll welding device, which can solve the problem that the welding effect is not good enough when the existing roll welding machine is used for welding a metal foil belt; especially for metal foil strips of more than 10 microns where two or more separate layers are welded.

The technical scheme of the utility model is realized as follows:

an ultrasonic seam welding device comprises a processing table for bearing a workpiece, and a movable seat arranged above the processing table; the moving seat is provided with an ultrasonic welding mechanism, and the ultrasonic welding mechanism comprises a welding roller which is rotatably arranged on the moving seat; the movable seat is driven by a first driver to realize linear movement, and the movable seat is driven by a second driver to realize lifting; the ultrasonic welding mechanism also comprises an amplitude transformer and an energy transducer which are sequentially connected with the welding roller, and the energy transducer is electrically connected with an ultrasonic generator; the two ends of the welding roller are fixedly provided with rotating shafts, and the rotating shafts are rotatably arranged on the movable seat through bearings.

As a further alternative of the ultrasonic roll welding device, a third driver for driving the welding roller to rotate is arranged on the movable seat.

As a further alternative of the ultrasonic roll welding device, the third driver is a motor, and the third driver is in belt transmission connection with the rotating shaft through a transmission belt.

As a further alternative of the ultrasonic roll welding device, a raceway for butting two workpieces is formed on the upper surface of the processing table, the welding roller is driven to lift by a second driver to press the workpieces on the raceway, and the welding roller is driven to move by a first driver to weld the butted part of the two workpieces.

As a further alternative of the ultrasonic roll welding device, a plurality of air holes for adsorbing the workpiece are arranged on the upper surface of the processing table, and the air holes are distributed on two sides of the roller path.

As a further alternative of the ultrasonic roll welding device, the processing table is provided with two limiting mechanisms for realizing the alignment of two workpieces, and the two limiting mechanisms are respectively arranged on two sides of the roller path; each stop gear is including being used for blockking two stoppers of work piece toward both sides skew, processing bench is equipped with a plurality of connecting holes, the stopper pass through the fastener with the connecting hole is connected.

As a further alternative of the ultrasonic roll welding device, the processing table is arranged on a base plate, two rotatable rollers are arranged on the base plate, and the two rollers are respectively arranged on two sides of the processing table so as to realize guiding support for the workpiece.

As a further alternative of the ultrasonic roll welding apparatus, the movable seat is disposed below a top plate, the second actuator is a cylinder or an electric cylinder disposed on the top plate, and a piston rod of the second actuator penetrates the top plate and is connected to the movable seat.

As a further alternative of the ultrasonic roll welding device, a plurality of sleeves are fixedly arranged on the top plate, a plurality of guide rods penetrating through the sleeves are arranged on the movable seat, and the guide rods are slidably sleeved in the sleeves.

As a further alternative of the ultrasonic roll welding apparatus, the top plate is movably provided on a support, and the first driver is provided on the support, and drives the top plate to move.

The utility model has the following beneficial effects: driving the welding roller to lift through a second driver, so that the welding roller presses the butt joint part of the two workpieces on the processing table; order about the welding gyro wheel through first driver and follow rectilinear movement to make the butt joint department of two work pieces and welding gyro wheel fully contact, avoid the butt joint department of two work pieces to appear leaking the condition of welding, make welding effect better.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention.

FIG. 1 is a schematic structural diagram of an ultrasonic seam welding apparatus according to the present invention;

FIG. 2 is a schematic structural view of the first actuator driving the movable base;

FIG. 3 is a schematic structural view of the movable base;

FIG. 4 is a second schematic structural view of the movable base;

FIG. 5 is an exploded view of the motion stage and the processing station;

FIG. 6 is a schematic view of the processing station;

fig. 7 is an enlarged view of a in fig. 6.

In the figure: 1. a processing table; 11. a raceway; 12. air holes; 13. a limiting mechanism; 131. a limiting block; 14. connecting holes; 2. a movable seat; 21. a guide bar; 3. an ultrasonic welding mechanism; 31. welding a roller; 311. a rotating shaft; 32. an amplitude transformer; 33. a transducer; 4. a first driver; 5. a second driver; 6. a third driver; 7. a substrate; 71. a drum; 8. a top plate; 81. a sleeve; 9. a support; 100. a cabinet.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "above," and "over" a second feature may mean that the first feature is directly above or obliquely above the second feature, or that only the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

Referring to fig. 1 to 7, there is shown an ultrasonic seam welding apparatus including a processing table 1 for carrying a workpiece, a moving base 2 disposed above the processing table 1; the moving seat 2 is provided with an ultrasonic welding mechanism 3, and the ultrasonic welding mechanism 3 comprises a welding roller 31 which is rotatably arranged on the moving seat 2; the movable seat 2 is driven by a first driver 4 to realize linear movement, and the movable seat 2 is driven by a second driver 5 to realize lifting; the ultrasonic welding mechanism 3 further comprises a variable amplitude rod 32 and a transducer 33 which are sequentially connected with the welding roller 31, wherein the transducer 33 is electrically connected with an ultrasonic generator (not shown); the two ends of the welding roller 31 are fixedly provided with a rotating shaft 311, and the rotating shaft 311 is rotatably arranged on the movable base 2 through a bearing (not marked).

In this embodiment, taking processing a copper foil strip as an example, the workpiece is a copper foil strip; in actual processing, the ends of two coils of copper foil strips are respectively placed on the processing table 1, and the ends of the two coils of copper foil strips are butted; then the second driver 5 drives the moving seat 2 to descend, so that the welding roller 31 on the moving seat 2 presses on the butt joint of the two copper foil strips; and then the first driver 4 drives the movable seat 2 to move linearly, so that the welding roller 31 is fully contacted with the butt joint of the end parts of the two copper foil strips, the butt joint of the two workpieces is prevented from being welded in a missing manner, and the welding effect is better. In the process that the welding roller 31 contacts the copper foil strips, current is converted into high-frequency electric energy through an ultrasonic generator, the high-frequency electric energy is converted into mechanical motion with the same frequency through the transducer 33, then the mechanical motion is transmitted to the welding roller 31 through the amplitude transformer 32 capable of changing amplitude, and the welding roller 31 transmits vibration energy to the copper foil strips so that the butt joint of the two copper foil strips is welded.

Alternatively, the welding roller 31 may be pressed against the processing table 1 by the second driver 5, and the welding roller 31 is driven by the first driver 4 to move, so that the welding roller 31 is driven to rotate; referring to fig. 3 and 4, a third driver 6 for driving the welding roller 31 to rotate is disposed on the movable base 2; the third driver 6 is used for driving the welding roller 31 to rotate actively, so that the phenomenon that the welding roller 31 drags the copper foil belt without rotating is avoided, and the welding effect is influenced; it should be noted that the moving speed and the rotating speed of the welding roller 31 need to be matched, so that the moving distance of the welding roller 31 is equal to the circumferential rotating length thereof, thereby preventing the welding roller 31 from dragging the copper foil strip under the action of friction force. Preferably, the third driver 6 is a motor, and the third driver 6 is in belt transmission connection with the rotating shaft 311 through a transmission belt.

In the above embodiment, referring to fig. 2, 3 and 4, the movable base 2 is disposed below a top plate 8, the second actuator 5 is a cylinder or an electric cylinder disposed on the top plate 8, and a piston rod of the second actuator 5 passes through the top plate 8 and is connected to the movable base 2. In this way, the movable base 2 is lifted and lowered. In order to make the lifting process of the movable base 2 more stable, a plurality of sleeves 81 are fixedly arranged on the top plate 8, a plurality of guide rods 21 penetrating through the sleeves 81 are arranged on the movable base 2, and the guide rods 21 are slidably sleeved in the sleeves 81. In addition, the top plate 8 is movably disposed on a support 9, the first driver 4 is disposed on the support 9, and the first driver 4 drives the top plate 8 to move.

In some specific embodiments, referring to fig. 5 and 6, a raceway 11 for butting two workpieces is formed on the upper surface of the processing table 1, the welding roller 31 is driven to move up and down by the second driver 5 to press the workpieces on the raceway 11, and the welding roller 31 is driven to move by the first driver 4 to weld the butted part of the two workpieces. Therefore, the welding roller 31 presses the copper foil strip on the raceway 11, so that the welding roller 31 can transmit vibration energy to the copper foil strip conveniently.

In the above embodiment, in order to fix the copper foil strip on the processing table 1, referring to fig. 6, a plurality of air holes 12 for adsorbing the workpiece are disposed on the upper surface of the processing table 1, and the air holes 12 are distributed on two sides of the rolling path 11. So, when placing the copper foil area on processing platform 1, two copper foil areas are respectively by the gas pocket 12 adsorbs for two copper foil areas can't remove at will, thereby ensure the stability of two copper foil areas butt joint department, provide the welding effect.

In the above scheme, specifically, in order to further realize good butt joint of two copper foil strips, referring to fig. 6 and 7, two limiting mechanisms 13 for realizing alignment of two workpieces are arranged on the processing table 1, and the two limiting mechanisms 13 are respectively arranged on two sides of the raceway 11; each of the limiting mechanisms 13 includes two limiting blocks 131 for blocking the workpiece from shifting to two sides, a plurality of connecting holes 14 are formed in the processing table 1, and the limiting blocks 131 are connected with the connecting holes 14 through fasteners (not shown). In other words, when the copper foil strip is placed on the processing table 1, the limiting blocks 131 are arranged on both sides of the copper foil strip, and the limiting blocks 131 can prevent the copper foil strip from deviating towards both sides; on one hand, the copper foil strip is ensured not to move during welding; on the other hand, the butt joint of the two copper foil strips can be aligned, so that the welding quality is improved. The limiting blocks 131 can be fixed by selecting different connecting holes 14, so that the distance between the two limiting blocks 131 can be adjusted, and the copper foil strips with different widths can be adapted; wherein, the fastener can be a screw, a bolt and other accessories.

In the above embodiment, since the copper foil strip is long, in order to prevent the copper foil strip from being easily scratched, referring to fig. 6, the processing table 1 is disposed on a substrate 7, two rotatable rollers 71 are disposed on the substrate 7, and the two rollers 71 are disposed on two sides of the processing table 1 respectively, so as to guide and support the workpiece. So, cylinder 71 can provide more supports for the copper foil area on the one hand, and on the other hand can provide the guide effect when placing the copper foil area at processing platform 1 from the side, is convenient for remove the copper foil area to be convenient for dock two copper foil areas.

In the above embodiment, referring to fig. 1, the substrate 7 may be disposed on a cabinet 100, and the cabinet 100 may be used to receive electrical components, such as the ultrasonic generator disposed in the cabinet 100. In addition, universal wheels may be provided at the bottom of the cabinet 100 to facilitate movement of the ultrasonic welding device.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. An ultrasonic seam welding device is characterized by comprising a processing table for bearing a workpiece, and a movable seat arranged above the processing table; the moving seat is provided with an ultrasonic welding mechanism, and the ultrasonic welding mechanism comprises a welding roller which is rotatably arranged on the moving seat; the movable seat is driven by a first driver to realize linear movement, and the movable seat is driven by a second driver to realize lifting; the ultrasonic welding mechanism also comprises an amplitude transformer and an energy transducer which are sequentially connected with the welding roller, and the energy transducer is electrically connected with an ultrasonic generator; the two ends of the welding roller are fixedly provided with rotating shafts, and the rotating shafts are rotatably arranged on the movable seat through bearings.

2. An ultrasonic seam welding apparatus according to claim 1, wherein a third driver is provided on said movable base for driving said welding roller to rotate.

3. An ultrasonic seam welding apparatus according to claim 2 wherein said third drive is an electric motor, said third drive being in belt drive communication with said shaft via a drive belt.

4. An ultrasonic seam welding apparatus according to any one of claims 1 to 3, wherein a raceway for abutting two workpieces is formed on an upper surface of the processing table, the welding roller is driven to move up and down by the second driver to press the workpieces against the raceway, and the welding roller is driven to move by the first driver to weld the abutting portion of the two workpieces.

5. An ultrasonic roll welding device according to claim 4, wherein a plurality of air holes for adsorbing the workpiece are arranged on the upper surface of the processing table, and the air holes are distributed on two sides of the roller path.

6. An ultrasonic roll welding device according to claim 5, characterized in that two limiting mechanisms for realizing the alignment of two workpieces are arranged on the processing table, and the two limiting mechanisms are respectively arranged on two sides of the raceway; each stop gear is including being used for blockking two stoppers of work piece toward both sides skew, processing bench is equipped with a plurality of connecting holes, the stopper pass through the fastener with the connecting hole is connected.

7. An ultrasonic seam welding apparatus according to claim 6, wherein said processing table is disposed on a base plate, said base plate is provided with two rotatable rollers, and said two rollers are respectively disposed on two sides of said processing table for guiding and supporting the workpiece.

8. An ultrasonic seam welding apparatus according to claim 2, wherein said movable seat is disposed below a top plate, said second actuator is a pneumatic cylinder or an electric cylinder disposed on said top plate, and a piston rod of said second actuator passes through said top plate and is connected to said movable seat.

9. An ultrasonic seam welding device according to claim 7, wherein a plurality of sleeves are fixedly arranged on the top plate, a plurality of guide rods penetrating through the sleeves are arranged on the movable seat, and the guide rods are slidably sleeved in the sleeves.

10. An ultrasonic seam welding apparatus according to claim 7 wherein said top plate is movably mounted on a support, said first actuator being mounted on said support, said first actuator driving said top plate to move.