CN214395465U - Ultrasonic welding device - Google Patents

Abstract

The utility model belongs to the technical field of welding equipment, in particular to an ultrasonic welding device, which comprises a frame, a rotary welding mechanism, a feeding mechanism and a loading mechanism; the rotary welding mechanism comprises an indexing turntable, welding assemblies and a positioning assembly, wherein the indexing turntable is fixedly arranged on the base and is provided with welding stations, the number of the welding stations is two, the welding stations are symmetrically arranged on two sides of the output end of the indexing turntable, the welding assemblies are arranged on the base, the output end of the welding assemblies can move to the position above the output end of the indexing turntable, and the positioning assembly is arranged on the indexing turntable; the feeding mechanism is arranged on one side of the base; carry material mechanism detachably to set up on feeding mechanism, adopt rotatory indexing structure to realize that the welding station keeps away from operating personnel material loading end, effectively increased operating personnel and welding station's distance, guarantee operating personnel's health and safety is favorable to the enterprise development.

Description

Ultrasonic welding device

Technical Field

The utility model belongs to the technical field of the welding equipment, especially, relate to an ultrasonic welding device.

Background

Ultrasonic welding is carried out by converting 50/60 Hz current into 15, 20, 30 or 40 KHz electric energy through an ultrasonic generator. The converted high-frequency electrical energy is converted again into mechanical motion of the same frequency by the transducer, and the mechanical motion is then transmitted to the welding head by a set of amplitude transformer devices which can change the amplitude. The horn transmits the received vibrational energy to the joint of the work pieces to be welded where it is frictionally converted to heat energy to melt the plastic. Ultrasound can be used not only to weld rigid thermoplastics, but also to process fabrics and films.

The welding station in the ultrasonic welding device in the prior art is close to the loading position of an operator, and in the welding process, if a fault occurs, such as electric leakage or out of control, and the conditions of spark, material splashing and the like occur, the life safety of the operator cannot be effectively guaranteed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an ultrasonic welding device aims at solving the welding station of ultrasonic welding device among the prior art and is close with operating personnel's material loading end distance, endangers the technical problem that operating personnel is healthy easily.

In order to achieve the above object, an embodiment of the present invention provides an ultrasonic welding device, which includes a machine base, a spin welding mechanism, a feeding mechanism and a loading mechanism; the rotary welding mechanism comprises an indexing turntable, welding assemblies and a positioning assembly, wherein the indexing turntable is fixedly arranged on the base and is provided with welding stations for containing workpieces to be welded, the number of the welding stations is two, the welding stations are symmetrically arranged on two sides of the output end of the indexing turntable, the welding assemblies are arranged on the base and are positioned at one end of the indexing turntable, the output end of each welding assembly can move above the output end of the indexing turntable and is used for welding the workpieces to be welded on the welding stations, and the positioning assembly is arranged on the indexing turntable and is used for limiting the output end of the indexing turntable so as to prevent the output end of the indexing turntable from vibrating in the welding process; the feeding mechanism is arranged on one side of the base and is positioned at one end, far away from the welding assembly, of the indexing turntable, and the feeding mechanism is used for conveying a workpiece to be welded to the welding station; the material loading mechanism is detachably arranged on the feeding mechanism, the material loading mechanism is conveyed to the welding station through the feeding mechanism, and the material loading mechanism is used for loading a workpiece to be welded.

Optionally, the indexing turntable includes a base, an angle divider and a material carrying plate, the base is disposed above the base, the angle divider is disposed on the base, the material carrying plate is disposed at an output end of the angle divider, the positioning assembly is disposed on the base and located on one side of the angle divider, the welding station is formed on the material carrying plate, the material carrying plate is provided with a positioning hole, the positioning hole is located on one side of the welding station, and an output end of the positioning assembly is in clamping fit with the positioning hole.

Optionally, the locating component includes first mount pad, first driving source, first guide part and setting element, first mount pad sets up on the base, first driving source sets up on the first mount pad, the setting element sets up the output of first driving source, first guide part sets up on the first mount pad and is used for guiding the setting element removes toward predetermineeing the direction, the setting element with locating hole joint adaptation.

Optionally, the guide member includes a first connecting plate disposed on the body of the first driving source, a second connecting plate, a guide shaft, and a guide sleeve, the second connecting plate being fixedly connected to an intermediate position of the first driving source, the first connecting plate and the second connecting plate being parallel to each other, the guide sleeve being penetratingly disposed on the first connecting plate, an end portion of the guide shaft being fixedly connected to the second connecting plate, and the guide shaft being slidably connected to the guide sleeve.

Optionally, the number of the guide shafts is two, two ends of the second connecting plate are respectively in one-to-one correspondence with the end portions of the two groups of guide shafts, the number of the guide sleeves is two, the two groups of guide sleeves are respectively arranged at two ends of the first connecting plate in a one-to-one correspondence penetrating manner, and the end portions of the two groups of guide shafts are respectively in one-to-one correspondence sliding connection in the two groups of guide sleeves.

Optionally, the first driving source is an air cylinder or an electric push rod.

Optionally, the two ends of the material carrying plate are arranged in a semicircular structure, the middle position of the material carrying plate is arranged in a rectangular structure, and the two groups of welding stations are respectively formed at the two ends of the material carrying plate in a one-to-one correspondence manner.

Optionally, the number of the positioning assemblies is four, the number of the positioning holes is four, the four positioning holes are uniformly distributed at the edge of the material carrying plate, and the four positioning assemblies are respectively in one-to-one correspondence below the four positioning holes.

Optionally, a limiting part for locking the material loading mechanism is arranged on the indexing turntable, and the limiting part is arranged on one side of the welding station.

Optionally, the limiting component is a hasp, a lock tongue of the hasp is rotatably connected to the material loading mechanism, and a lock seat of the hasp is fixedly arranged on the material loading mechanism.

The embodiment of the utility model provides an among the ultrasonic welding device above-mentioned one or more technical scheme have one of following technological effect at least: the working principle of the ultrasonic welding device is as follows: arranging a workpiece to be welded on the material loading mechanism, arranging the material loading mechanism on the feeding mechanism, conveying the material loading mechanism to a welding station on the indexing turntable by the feeding mechanism, rotating the indexing turntable to enable the material loading mechanism to rotate and move to a preset machining position, locking the indexing turntable by the positioning assembly, and machining the workpiece to be welded loaded on the material loading mechanism by the welding assembly; compare in the ultrasonic welding device among the prior art, adopt the mode of artifical material loading to realize ultrasonic welding, operating personnel is close with the distance of welding station, has certain potential safety hazard, is unfavorable for the technical problem of enterprise development, the utility model provides an ultrasonic welding device adopts rotatory graduation structure to realize semi-automatic feeding, makes operating personnel keep away from the welding station, has effectively ensured operating personnel's health, is favorable to the enterprise development.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.

Fig. 1 is a schematic structural diagram of an ultrasonic welding device provided by an embodiment of the present invention.

Fig. 2 is a schematic structural diagram of the spin welding mechanism in fig. 1.

Fig. 3 is a schematic structural view of the feeding mechanism in fig. 1.

Fig. 4 is a schematic structural diagram of the loading mechanism in fig. 1.

Fig. 5 is a schematic view of the locking member of fig. 4.

Wherein, in the figures, the respective reference numerals:

10-base 20-rotary welding mechanism 30-feeding mechanism

40-loading mechanism 21-indexing turntable 22-welding assembly

23-positioning component 211-base 212-angle divider

213-loading plate 231-first mounting base 232-first driving source

233-guide member 428-deflection block 235-first connecting plate

236-second connecting plate 237-guide shaft 238-guide sleeve

214-limiting part 31-moving assembly 32-supporting assembly

33-guide assembly 311-moving seat 312-roller component

321-bracket part 322-adjusting part 331-first limiting plate

332-second limit plate 333-baffle 323-first nut

324-screw 325-second nut 41-base plate

42-limiting component 421-profiling jig 422-pressing part

423-pressing plate 424-rotary connecting piece 425-locking component

426-locking seats 427-moving block.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to fig. 1-5 are exemplary and intended to be used to illustrate embodiments of the present invention, and should not be construed as limiting the invention.

In the description of the embodiments of the present invention, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings, which is only for convenience in describing the embodiments of the present invention and simplifying the description, and do not indicate or imply that the device or element so indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the embodiments of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as fixed or detachable connections or as an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the embodiments of the present invention can be understood by those skilled in the art according to specific situations.

In an embodiment of the present invention, as shown in fig. 1 to 5, an ultrasonic welding apparatus is provided, which includes a machine base 10, a spin welding mechanism 20, a feeding mechanism 30 and a loading mechanism 40; the rotary welding mechanism 20 comprises an indexing rotary table 21, welding assemblies 22 and a positioning assembly 23, wherein the indexing rotary table 21 is fixedly arranged on the machine base 10 and is provided with welding stations for accommodating workpieces to be welded, the number of the welding stations is two, the welding stations are symmetrically arranged on two sides of the output end of the indexing rotary table 21, the welding assemblies 22 are arranged on the machine base 10 and are positioned at one end of the indexing rotary table 21, the output end of the welding assemblies 22 can move to the position above the output end of the indexing rotary table 21 and are used for welding the workpieces to be welded on the welding stations, and the positioning assembly 23 is arranged on the indexing rotary table 21 and is used for limiting the output end of the indexing rotary table 21 so as to prevent the output end of the indexing rotary table 21 from vibrating in the welding process; the feeding mechanism 30 is arranged on one side of the machine base 10 and is positioned at one end of the indexing rotary table 21 far away from the welding assembly 22, and the feeding mechanism 30 is used for conveying a workpiece to be welded to the welding station; the material loading mechanism 40 is detachably arranged on the feeding mechanism 30, the material loading mechanism 40 is conveyed to the welding station through the feeding mechanism 30, and the material loading mechanism 40 is used for loading a workpiece to be welded.

Specifically, the working principle of the ultrasonic welding device is as follows: arranging a workpiece to be welded on the material loading mechanism 40, arranging the material loading mechanism 40 on the feeding mechanism 30, conveying the material loading mechanism 40 to a welding station on the indexing turntable 21 by the feeding mechanism 30, rotating the indexing turntable 21 to enable the material loading mechanism 40 to rotate and move to a preset machining position, locking the indexing turntable 21 by the positioning assembly 23, and machining the workpiece to be welded loaded on the material loading mechanism 40 by the welding assembly 22; compare in the ultrasonic welding device among the prior art, adopt the mode of artifical material loading to realize ultrasonic welding, operating personnel is close with the distance of welding station, has certain potential safety hazard, is unfavorable for the technical problem of enterprise development, the utility model provides an ultrasonic welding device adopts rotatory graduation structure to realize semi-automatic feeding, makes operating personnel keep away from the welding station, has effectively ensured operating personnel's health, is favorable to the enterprise development.

As shown in fig. 1 to 5, in another embodiment of the present invention, the index rotary table 21 includes a base 211, an angle divider 212 and a material carrying plate 213, the base 211 is disposed above the base 10, the angle divider 212 is disposed on the base 211, the material carrying plate 213 is disposed at an output end of the angle divider 212, the positioning component 23 is disposed on the base 211 and located at one side of the angle divider 212, the welding station is formed on the material carrying plate 213, the material carrying plate 213 is provided with a positioning hole, the positioning hole is located at one side of the welding station, and an output end of the positioning component 23 is adapted to the positioning hole.

As shown in fig. 1 to 5, in another embodiment of the present invention, the positioning assembly 23 includes a first mounting seat 231, a first driving source 232, a guiding component 233 and a positioning component, the first mounting seat 231 is disposed on the base 211, the first driving source 232 is disposed on the first mounting seat 231, the positioning component is disposed at an output end of the first driving source 232, the guiding component 233 is disposed on the first mounting seat 231 and is used for guiding the positioning component to move toward a preset direction, and the positioning component is adapted to the positioning hole.

As shown in fig. 1 to 5, in another embodiment of the present invention, the guide member 233 includes a first connecting plate 235, a second connecting plate 236, a guide shaft 237 and a guide sleeve 238, the first connecting plate 235 is disposed on the body of the first driving source 232, an intermediate position of the second connecting plate 236 is fixedly connected to an output end of the first driving source 232, the first connecting plate 235 and the second connecting plate 236 are parallel to each other, the guide sleeve 238 is penetratingly disposed on the first connecting plate 235, an end of the guide shaft 237 is fixedly connected to the second connecting plate 236, and the guide shaft 237 is slidably connected to the guide sleeve 238.

As shown in fig. 1 to 5, in another embodiment of the present invention, the number of the guiding shafts 237 is two sets, the two ends of the second connecting plate 236 are respectively connected to the end portions of the guiding shafts 237 in a one-to-one manner, the number of the guiding sleeves 238 is two sets, the two sets of guiding sleeves 238 are respectively arranged at the two ends of the first connecting plate 235 in a one-to-one manner, and the two sets of ends of the guiding shafts 237 are respectively connected to the two sets of guiding sleeves 238 in a one-to-one manner.

As shown in fig. 1 to 5, in another embodiment of the present invention, the first driving source 232 is a cylinder or an electric push rod.

As shown in fig. 1-5, in another embodiment of the present invention, the two ends of the material carrying plate 213 are disposed in a semicircular structure, the middle position of the material carrying plate 213 is disposed in a rectangular structure, and the welding stations are formed at the two ends of the material carrying plate 213 in a one-to-one correspondence manner.

As shown in fig. 1 to 5, in another embodiment of the present invention, the number of the positioning assemblies 23 is four groups, the number of the positioning holes is four groups, the positioning holes of four groups are uniformly distributed at the edge position of the material carrying plate 213, and the positioning assemblies 23 of four groups are respectively in one-to-one correspondence under the positioning holes of four groups.

As shown in fig. 1 to 5, in another embodiment of the present invention, a limiting component 214 for locking the loading mechanism 40 is disposed on the index dial 21, and the limiting component 214 is disposed on one side of the welding station.

As shown in fig. 1 to 5, in another embodiment of the present invention, the limiting component 214 is a buckle, a lock tongue of the buckle is rotatably connected to the material loading mechanism 40, and a lock seat of the buckle is fixedly disposed on the material loading mechanism 40.

As shown in fig. 1 to 5, in another embodiment of the present invention, the feeding mechanism 30 includes a moving assembly 31, a supporting assembly 32 and a guiding assembly 33, the moving assembly 31 includes a moving base 311 and a roller member 312 for driving the moving base 311 to move, the roller member 312 is disposed at the bottom of the moving base 311; the supporting assembly 32 comprises a bracket member 321 and an adjusting member 322 for adjusting the height of the bracket member 321, the adjusting member 322 is disposed on the movable base 311, and the bracket member 321 is disposed at the output end of the adjusting member 322; the guide assembly 33 includes a first limit plate 331 and a second limit plate 332, the first limit plate 331 and the second limit plate 332 are symmetrically disposed at two ends of the top of the bracket 321, a limit groove is formed between the first limit plate 331 and the second limit plate 332, the material loading mechanism 40 is slidably connected in the limit groove, a stop 333 is disposed at the middle position of each of the first limit plate 331 and the second limit plate 332, and the stop 333 is used for dividing the limit groove body, so that the limit groove body is divided into two accommodating grooves for accommodating the material loading mechanism 40.

Specifically, the material loading unit is arranged in one of the accommodating grooves, the roller part 312 drives the movable seat 311 to move to one side of a welding station of the ultrasonic welding device, the material loading unit is pushed to the welding station of the ultrasonic welding device along the extending direction of the accommodating groove, the first limiting plate 331 and the second limiting plate 332, meanwhile, the material loading unit is installed in the other accommodating groove by an operator, and after welding is completed, the operator directly rotates the movable seat 311 through the roller part 312, and repeatedly loads and simultaneously discharges materials; compare in the ultrasonic bonding process among the prior art, operating personnel can only material loading or unloading at the same time, and serious extravagant production time leads to the productivity of enterprise to descend, is unfavorable for the technical problem of enterprise development, the utility model provides a feeding mechanism 30 adopts gyro wheel part 312, the two groove structures of holding of cooperation to realize processing, unloading and go on simultaneously, greatly improves production efficiency, is favorable to the enterprise development.

As shown in fig. 1 to 5, in another embodiment of the present invention, the first limiting plate 331 includes a first transverse plate and a first vertical plate, the first transverse plate is fixedly disposed at the upper end of the bracket 321, and the first vertical plate is disposed at an edge position of the first transverse plate, so that the cross section of the first limiting plate 331 is disposed in an "L" shape structure; the second limiting plate 332 comprises a second transverse plate and a second vertical plate, the second transverse plate is fixedly arranged at the upper end of the support component 321, and the second vertical plate is arranged at the edge of the second transverse plate, so that the cross section of the second limiting plate 332 is in an L-shaped structure.

As shown in fig. 1 to 5, in another embodiment of the present invention, the guiding assembly 33 further includes a supporting plate, the supporting plate is disposed on the supporting member 321 and located between the first limiting plate 331 and the second limiting plate 332, and the supporting plate is used for increasing the contact area between the guiding assembly 33 and the material loading mechanism 40.

As shown in fig. 1 to 5, in another embodiment of the present invention, first guiding inclined planes are respectively disposed at two ends of the first limiting plate 331, so that an end portion of the first limiting plate 331, which is far away from the limiting groove body, is gradually narrowed; two ends of the second limit plate 332 are respectively provided with a second guide inclined plane, so that the end part of the second limit plate 332 far away from the end part of the limit groove body is gradually narrowed; the first guide inclined plane and the second guide inclined plane are matched to form a conical guide opening which is arranged at the end part of the limiting groove body and is used for guiding the loading mechanism 40 to smoothly enter the limiting groove body.

As shown in fig. 1 to 5, in another embodiment of the present invention, the stopper 333 includes two stopper plates, two of which are symmetrically disposed in a staggered manner to form a slant blocking surface for abutting against the loading mechanism 40.

As shown in fig. 1-5, in another embodiment of the present invention, the end of the stop plate is provided with a silica gel layer, and the silica gel layer is used for buffering the moving impact force of the material loading mechanism 40.

As shown in fig. 1 to 5, in another embodiment of the present invention, the supporting member 321 is a metal frame structure, an extending plate for connecting the adjusting member 322 is disposed at the bottom of the supporting member 321, and two sides of the upper end of the supporting member 321 are respectively provided with a handle structure.

As shown in fig. 1 to 5, in another embodiment of the present invention, the adjusting component 322 includes a first nut 323, a screw 324 and a second nut 325, the first nut 323 is fixedly disposed on the moving seat 311, the second nut 325 is fixedly disposed on the extending plate, the extending plate and the moving seat 311 are both provided with through holes for installing nuts, the screw 324 is screwed between the first nut 323 and the second nut 325, the number of the adjusting components 322 is at least three, and all the adjusting components 322 are uniformly distributed at the bottom of the bracket component 321.

As shown in fig. 1 to 5, in another embodiment of the present invention, the number of the adjusting components 322 is four, the cross section of the movable base 311 is rectangular, the four corner positions of the top surface of the movable base 311 are provided with connecting bases, and the through holes are formed on the connecting bases.

As shown in fig. 1 to 5, in another embodiment of the present invention, the loading mechanism 40 includes a base plate 41 and a limiting component 42, wherein the base plate 41 is provided with a mounting position; spacing subassembly 42 includes profiling tool 421 and compresses tightly part 422, profiling tool 421 sets up on the installation position, profiling tool 421 is provided with the mounting groove that is used for the adaptation to wait to weld the work piece, it sets up to compress tightly part 422 on profiling tool 421 and be located one side of mounting groove, it is used for fixed mounting to compress tightly part 422 wait to weld the work piece in the mounting groove.

Specifically, the workpiece to be welded is mounted in the mounting groove, and is pressed in the mounting groove through the pressing part 422, so that the workpiece to be welded is prevented from shaking; the material loading mechanism 40 that compares in ultrasonic welding device among the prior art only possesses the cell body structure that holds and treat welding workpiece, does not treat welding workpiece at the welding process and carries out effective location, and the work piece shake when leading to the welding influences the welding effect, is unfavorable for the technical problem of enterprise's development, the utility model provides a material loading mechanism 40 adopts effectual compressing tightly part 422 to treat welding workpiece and realizes compressing tightly, prevents that it from shaking the off normal in welding process, is favorable to improving welding effect, improves product quality.

As shown in fig. 1-5, in another embodiment of the utility model, compress tightly part 422 includes clamp plate 423 and swivelling joint spare 424, swivelling joint spare 424 sets up on the imitative type tool 421 and be located one side of mounting groove, the one end of clamp plate 423 with swivelling joint spare 424's output fixed connection, clamp plate 423 with the shape adaptation of mounting groove, be provided with on the clamp plate 423 and be used for keeping away the sky the groove of stepping down of welding mechanism's output, the groove of stepping down corresponds with the welding position of treating the welding workpiece.

In another embodiment of the present invention, as shown in fig. 1-5, the rotary connecting element 424 is a hinge.

As shown in fig. 1 to 5, in another embodiment of the present invention, the number of the rotating connectors 424 is two, and the two sets of rotating connectors 424 are respectively disposed on the profiling fixture 421 at intervals.

As shown in fig. 1 to 5, in another embodiment of the present invention, a locking member 425 for locking the pressing plate 423 is disposed on the profiling fixture 421, and the locking member 425 is disposed on one side of the mounting groove and is symmetrical to the rotary connecting member 424.

As shown in fig. 1 to 5, in another embodiment of the present invention, the locking member 425 includes a locking seat 426, a moving block 427 and a deflecting block 428, the locking seat 426 is fixedly disposed on the profiling fixture 421 and located at one side of the mounting groove, the locking seat 426 is provided with a sliding groove, one end of the sliding groove penetrates through a side wall of the locking seat 426 close to the mounting groove, the moving block 427 is slidably connected in the sliding groove, one end of the moving block 427 extends to an outer side of the sliding groove and is provided with a butting block for butting against an upper end of the pressing plate 423, a locking groove is disposed at a middle position of the moving block 427, an opening cavity communicating with the sliding groove is disposed in the locking seat 426, the opening cavity is located below the sliding groove, an opening of the opening cavity is formed on a side wall of the locking seat 426 far from the mounting groove, the swing block 428 rotates to be connected in the opening cavity, one end of the swing block 428 extends to the outer side of the opening cavity, the other end of the swing block 428 is provided with a clamping hook used for clamping and adapting the clamping groove, a driving piece is arranged at the connecting position of the swing block 428 and the locking seat 426, and the output end of the driving piece is in driving connection with the swing block 428 and used for driving the clamping hook to rotate downwards.

In another embodiment of the present invention, as shown in fig. 1 to 5, a button structure is disposed on an end of the deflection block 428 away from the locking seat 426.

As shown in fig. 1 to 5, in another embodiment of the present invention, the hook is close to the end of the mounting groove is gradually narrowed, the cross section of the hook is a tapered structure, and the hook is formed with an inclined end surface for abutting against the edge of the pressing plate 423.

As shown in fig. 1 to 5, in another embodiment of the present invention, the number of the locking members 425 is two, and the two groups of locking members 425 are separately disposed on the profiling fixture 421.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (10)

1. An ultrasonic welding apparatus, comprising:

a machine base;

the rotary welding mechanism comprises an indexing turntable, welding assemblies and a positioning assembly, wherein the indexing turntable is fixedly arranged on the base and is provided with welding stations for containing workpieces to be welded, the number of the welding stations is two, the welding stations are symmetrically arranged on two sides of the output end of the indexing turntable, the welding assemblies are arranged on the base and are positioned at one end of the indexing turntable, the output end of each welding assembly can move above the output end of the indexing turntable and is used for welding the workpieces to be welded on the welding stations, and the positioning assembly is arranged on the indexing turntable and is used for limiting the output end of the indexing turntable so as to prevent the output end of the indexing turntable from vibrating in the welding process;

the feeding mechanism is arranged on one side of the base and is positioned at one end, far away from the welding assembly, of the indexing turntable, and the feeding mechanism is used for conveying a workpiece to be welded to the welding station;

and the material loading mechanism is detachably arranged on the feeding mechanism, the material loading mechanism is conveyed to the welding station through the feeding mechanism, and the material loading mechanism is used for loading a workpiece to be welded.

2. The ultrasonic welding apparatus of claim 1, wherein: the indexing turntable comprises a base, an angle divider and a material carrying plate, wherein the base is arranged above the base, the angle divider is arranged on the base, the material carrying plate is arranged at the output end of the angle divider, the positioning assembly is arranged on the base and located on one side of the angle divider, the welding station is formed on the material carrying plate, a positioning hole is formed in the material carrying plate and located on one side of the welding station, and the output end of the positioning assembly is in clamping fit with the positioning hole.

3. The ultrasonic welding apparatus of claim 2, wherein: the positioning assembly comprises a first mounting seat, a first driving source, a first guide part and a positioning part, the first mounting seat is arranged on the base, the first driving source is arranged on the first mounting seat, the positioning part is arranged at the output end of the first driving source, the first guide part is arranged on the first mounting seat and used for guiding the positioning part to move towards the preset direction, and the positioning part is matched with the positioning hole in a clamping manner.

4. The ultrasonic welding device of claim 3, wherein: the guide part comprises a first connecting plate, a second connecting plate, a guide shaft and a guide sleeve, the first connecting plate is arranged on the body of the first driving source, the middle position of the second connecting plate is fixedly connected with the output end of the first driving source, the first connecting plate and the second connecting plate are parallel to each other, the guide sleeve is penetratingly arranged on the first connecting plate, the end part of the guide shaft is fixedly connected with the second connecting plate, and the guide shaft is slidably connected with the guide sleeve.

5. The ultrasonic welding device of claim 4, wherein: the number of the guide shafts is two, two ends of the second connecting plate are respectively in one-to-one correspondence with the end portions of the two groups of the guide shafts and are fixedly connected, the number of the guide sleeves is two, the two groups of the guide sleeves are respectively arranged at two ends of the first connecting plate in a penetrating mode in one-to-one correspondence, and the end portions of the two groups of the guide shafts are respectively in one-to-one correspondence sliding connection in the two groups of the guide sleeves.

6. The ultrasonic welding device of claim 4, wherein: the first driving source is an air cylinder or an electric push rod.

7. The ultrasonic welding apparatus of claim 2, wherein: the two ends of the material carrying plate are arranged in a semicircular structure, the middle position of the material carrying plate is arranged in a rectangular structure, and the two welding stations are respectively formed at the two ends of the material carrying plate in a one-to-one correspondence mode.

8. The ultrasonic welding apparatus according to any one of claims 2 to 7, characterized in that: the positioning assemblies are four groups, the positioning holes are four groups, the four groups of positioning holes are uniformly distributed at the edge positions of the material carrying plate, and the four groups of positioning assemblies are respectively in one-to-one correspondence below the four groups of positioning holes.

9. The ultrasonic welding apparatus of claim 1, wherein: and the indexing turntable is provided with a limiting part for locking the material loading mechanism, and the limiting part is arranged on one side of the welding station.

10. The ultrasonic welding apparatus of claim 9, wherein: the limiting part is a hasp, a lock tongue of the hasp is rotatably connected to the material loading mechanism, and a lock seat of the hasp is fixedly arranged on the material loading mechanism.

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