CN110653528A

CN110653528A - Automatic wire welding equipment

Info

Publication number: CN110653528A
Application number: CN201910913528.0A
Authority: CN
Inventors: 周建华
Original assignee: Zhuhai Baquan Precision Manufacturing Co Ltd
Current assignee: Zhuhai Baquan Precision Manufacturing Co Ltd
Priority date: 2019-09-25
Filing date: 2019-09-25
Publication date: 2020-01-07

Abstract

The invention relates to the technical field of wire welding equipment, in particular to automatic wire welding equipment which comprises a base, a rotary table and an electric control assembly, wherein the rotary table and the electric control assembly are respectively arranged on the base; the automatic wire welding equipment can realize automatic welding of welding wires and products, improves production efficiency, reduces labor intensity of workers, and meanwhile, the products are pressed through the station groove, so that welding accidents caused by deviation of the products during welding are avoided.

Description

Automatic wire welding equipment

Technical Field

The invention relates to the technical field of wire welding equipment, in particular to automatic wire welding equipment.

Background

At present, the manual welding mode is still used for welding the lead wires in the horn production, namely, the horn is placed on a positioning jig, then the lead wires are tensioned and fixed on the jig, and then the welding position between the horn and the lead wires is aligned to the handheld soldering iron and the tin wires for manual welding. The manual welding efficiency is low, harmful gas generated during welding wires pollutes the workshop environment and affects the physical health of workers, and the brocade wire welding of the loudspeaker has higher requirements on skills of operators, so that the welding quality problems such as insufficient welding, false welding and the like are easy to occur if the operators are unskilled; and there is semi-automatic bonding wire equipment in the existing market, namely the workman puts into the tool with loudspeaker to put the bonding wire that cuts well in the welding department, equipment starts, and the soldering bit moves down and welds bonding wire and loudspeaker, and this kind of mode still is leading with workman's work, is unfavorable for improving the production quality of product.

Disclosure of Invention

The invention aims to at least solve one of the technical problems in the prior art, and provides automatic wire welding equipment which comprises a base, a rotary table and an electrical control assembly, wherein the rotary table and the electrical control assembly are respectively arranged on the base; the automatic wire welding equipment can realize automatic welding of welding wires and products, improves production efficiency, reduces labor intensity of workers, and meanwhile, the products are pressed through the station groove, so that welding accidents caused by deviation of the products during welding are avoided.

As the further improvement of above-mentioned scheme, product material loading subassembly is including the tray and can transfer the product to the vacuum chuck on the carousel from the tray, vacuum chuck is connected with horizontal migration subassembly and vertical removal subassembly, and its aim at transfers the product to the carousel through vacuum chuck on, avoids damaging the product with product direct contact, and simultaneously, the tray can realize quick material loading with the vacuum chuck linkage, promotes production efficiency.

As a further improvement of the above scheme, the carousel and still be provided with product locating component between the tray, product locating component is including the standing groove, set up the detection camera in the standing groove top and can order about the clamping jaw of product at the standing groove internal rotation, the clamping jaw has and is connected with the actuating lever, the actuating lever is connected with flexible power part and rotation source, and the clamping jaw compresses tightly the product through the pivoted mode, can also keep away from the product in the horizontal direction when loosening the product and absorb the product with convenient vacuum chuck, and simple structure is ingenious, adopts pivoted mode to replace clamping jaw horizontal migration and vertical removal, reduces this product locating component's structure complexity.

As a further improvement of the above scheme, the wire stripping and feeding mechanism comprises a wire stripping and cutting assembly and a wire feeding assembly which are sequentially arranged along the conveying direction of the welding wire, the wire stripping and cutting assembly comprises a wire stripping roller and two cutting rollers which are oppositely attached, and the outer walls of the two cutting rollers are respectively provided with a cutting block and a cutting groove which are matched with each other; the automatic wire stripping and wire feeding device aims to automatically strip and feed the bonding wires, reduce labor intensity of workers, cut off the bonding wires by relative rotation of the cutting roller, ensure the length consistency of the bonding wires and improve the product quality.

As a further improvement of the above scheme, the wire feeding assembly comprises two wire clamping grooves which are both connected with a horizontal driving mechanism, and the two wire clamping grooves can be relatively close to each other to clamp and transfer the welding wire to a product; its aim at can will cut the bonding wire level send to the carousel on, avoid the one end of bonding wire to have no support and pull the other end, lead to the wire clamping groove can not accurately press from both sides and get the bonding wire, cause the tip of bonding wire to put on the welding point correctly.

As a further improvement of the scheme, the groove width of the wire clamping groove is gradually reduced along the conveying direction of the welding wire, and the structure plays a role in guiding, so that the welding wire can penetrate through the wire clamping groove, and the wire clamping groove can be accurately clamped.

As a further improvement of the scheme, the automatic wire welding assembly comprises a welding head, the welding head is connected with a vertical driving mechanism, and a product can rotate to a welding point position along with the rotary table to correspond to the welding head.

As a further improvement of the scheme, the product recovery assembly comprises a discharging platform connected with a linear driving mechanism, the discharging platform can be horizontally close to or far away from the rotary table, the rotary table is convenient to discharge, the working efficiency of each last procedure of the rotary table is improved, and meanwhile, discharged products are stored on the discharging platform, so that workers can conveniently collect or take the discharged products.

As the further improvement of above-mentioned scheme, still including clean subassembly, clean subassembly is including two cleaning brushes of antiport, and the product is when inserting the line, can transfer the welding bits that splash on loudspeaker when clean welding in the clean subassembly earlier through the manipulator, and on transferring loudspeaker to the blowing platform after the cleanness is accomplished, improve the quality of product.

Drawings

The invention is further described below with reference to the accompanying drawings and examples;

FIG. 1 is a schematic assembly view of an automatic wire bonding apparatus according to an embodiment of the present invention;

FIG. 2 is a top view of an automatic wire bonding apparatus according to an embodiment of the present invention;

FIG. 3 is a schematic structural diagram of a station block according to an embodiment of the present invention;

FIG. 4 is a schematic structural diagram of a product loading assembly according to an embodiment of the present invention;

fig. 5 is a schematic structural diagram of a wire stripping and feeding mechanism according to an embodiment of the invention;

FIG. 6 is a schematic structural view of a product recovery assembly according to an embodiment of the present invention;

FIG. 7 is a schematic structural diagram of a product positioning assembly according to an embodiment of the present invention;

fig. 8 is a schematic structural diagram of a cleaning assembly according to an embodiment of the invention.

Detailed Description

Reference will now be made in detail to the present preferred embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to like elements throughout.

In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does 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 description of the present invention, the meaning of a plurality of means is one or more, the meaning of a plurality of means is two or more, and larger, smaller, larger, etc. are understood as excluding the number, and larger, smaller, inner, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.

As shown in fig. 1 to 8, an automatic wire bonding apparatus includes a base 1, a turntable 2 respectively disposed on the base 1, and an electrical control assembly, wherein the electrical control assembly may be a commercially available industrial electrical system, and can control a driving mechanism to open and close according to a received signal, and the electrical control assembly generally includes a programmable controller or a single chip microcomputer, and a pipeline and a signal line necessary for connecting a sensor or the driving mechanism; the automatic wire bonding equipment also comprises a product feeding assembly 3, a wire stripping feeding mechanism 4, an automatic wire bonding assembly 5 and a product recovery assembly 6 which are sequentially arranged on the base 1 along the circumferential direction and are respectively and electrically connected with the electrical control assembly, wherein the wire stripping feeding mechanism 4 is provided with two parts and is respectively arranged at two sides of the automatic wire bonding assembly 5, the purpose is that the product is generally provided with a positive electrode and a negative electrode, namely, the automatic wire bonding device can realize the welding of a positive connecting wire and a negative connecting wire on the product through the two wire stripping feeding mechanisms 4 and the automatic wire bonding mechanism, the more preferable embodiment is that the base 1 is provided with the two wire stripping feeding mechanisms 4 and the two automatic wire bonding assemblies 5, the wire stripping feeding mechanisms 4 and the automatic wire bonding assemblies 5 are arranged adjacently, and the purpose is that the welding of the positive connecting wire or the negative connecting wire is realized by using the one wire stripping feeding mechanism 4 and one automatic wire bonding assembly 5 as a group, this reduces the complexity of the wire stripping and feeding mechanism 4 and the automatic wire bonding module 5, provided that there is sufficient design space on the base 1.

As shown in fig. 1 to 3, a plurality of station blocks are circumferentially arranged on the rotary table 2, and each station block comprises a station slot 21 for placing a product and a pressing claw 22 which is arranged above the station slot 21 and can move downwards to press the product, further, the size of the station slot 21 is matched with that of the product, the product can be flatly placed in the station slot 21 and fixed by the pressing claw 22, and the product is ensured not to move or rotate relative to the station slot 21 in the wire welding process; furthermore, the station block is detachably arranged on the rotary table 2, and can be specifically connected with the rotary table 2 through a buckle or a bolt, so that the automatic wire welding equipment can be adapted to products with different sizes and models by replacing the station block, and the applicability of the automatic wire welding equipment is improved; furthermore, the pressing claws 22 have at least two pressing claws 22 circumferentially arranged on the station groove 21, the number of the embodiment is two according to practical situations, the middle sections of the two pressing claws 22 are hinged to the station block, the lower ends of the two pressing claws 22 are connected with the synchronizing rod 23, the synchronizing rod 23 is connected with the vertically arranged telescopic cylinder, that is, the telescopic cylinder drives the synchronizing rod 23 to move up and down, so as to drive the pressing claws 22 to rotate along the hinge points 24 of the pressing claws and the station block, so that the upper ends of the pressing claws 22 can rotate towards the center of the station groove 21 to press and connect the product, in another expression, the upper ends of the pressing claws 22 can rotate along the hinge points 24 of the middle sections and the station block to press and connect the product or release the product, and the two pressing claws 22 are driven by the synchronizing rod 23 to move synchronously to avoid the product from being transmitted or displaced when the product.

According to a further improvement of the above solution, as shown in fig. 4, the product feeding assembly 3 includes a tray 31 and a vacuum chuck 32 capable of transferring the product from the tray 31 to the turntable 2, the vacuum chuck 32 is connected to a horizontal moving assembly 33 and a vertical moving assembly 34, specifically, a plurality of slots for placing the semi-finished product are provided on the tray 31, the tray 31 is connected to a horizontally arranged linear sliding table, and the tray 31 is detachably provided on the linear sliding table, so that a worker can directly replace the tray 31 to feed the automatic wire bonding apparatus, which is convenient and fast, and the tray 31 can horizontally move to facilitate the vacuum chuck 32 to accurately suck the product, in this embodiment, the horizontal moving assembly 33 connected to the vacuum chuck 32 can be a commercially available linear sliding table, and the vertical moving assembly 34 can be a telescopic cylinder vertically arranged downwards, more specifically, the vacuum chuck 32 is arranged at the output end of a telescopic cylinder, and the telescopic cylinder is arranged on the linear sliding table; in this embodiment, the horizontal movement direction of the vacuum chuck 32 is perpendicular to the horizontal movement direction of the tray 31, so that the vacuum chuck 32 can absorb any semi-finished product on the tray 31 by the linkage of the vacuum chuck 32 and the tray 31.

As a further improvement of the above scheme, as shown in fig. 7, a product positioning assembly 7 is further disposed between the turntable 2 and the tray 31, and the product positioning assembly 7 is used to ensure that an angle of a product in the station slot 21 is fixed, and ensure that the wire stripping and feeding mechanism 4 can accurately place a connecting wire on a welding point of the product; the specific structure of the product positioning assembly 7 is that it includes a placement groove 71, a detection camera 72 disposed above the placement groove 71, and a clamping jaw 73 capable of driving the product in the placement groove 71, where the clamping jaw 73 is connected with a rotation driving mechanism 74, more specifically, the detection camera 72 may be a commercially available industrial camera, and can photograph the product in the station groove 21 and send the photographing information to an electrical control assembly to determine the position of a welding point on the product, and then the electrical control assembly drives the clamping jaw 73 to move downward to abut against the product, and after the clamping jaw 73 drives the product to rotate by a corresponding angle, the clamping jaw 73 releases the product, and the product feeding assembly 3 transfers the product with the determined angle to the station groove 21; in this embodiment, the product loading assembly 3 first places the product on the tray 31 on the placing groove 71, adjusts the position of the product by the product positioning assembly 7, and then transfers the product to the station groove 21; furthermore, there are at least two vacuum chucks 32, one of which is used for transferring the product from the tray 31 to the placing groove 71, and the other is used for transferring the product from the placing groove 71 to the station groove 21, that is, the placing groove 71 and the station groove 21 should be disposed on the moving path of the vacuum chucks 32, wherein the placing groove 71 is fixed on the base 1 along with the product positioning assembly 7, and the station groove 21 can rotate along with the turntable 2.

The clamping jaw 73 has and sets up two at least along circumference, set up the three at the equipartition according to actual need in this embodiment, the middle section of this three clamping jaw 73 is provided with articulated fixed point, the lower extreme of clamping jaw 73 is connected with same root actuating lever, the actuating lever is connected with flexible power spare, this flexible power spare preferably can be telescopic cylinder, this flexible power spare is connected with the rotation source, this rotation source preferably can be servo motor, namely, flexible power spare orders about clamping jaw 73 through the actuating lever and rotates with the crimping product along articulated fixed point, the rotation source orders about the product and rotates certain angle in standing groove 71, it needs to explain, this articulated fixed point refers to the fixed point in position looks of pin joint 24 between two adjacent clamping jaws 73, this articulated fixed point can rotate along with synchronizing bar 23.

It should be noted that, in the present embodiment, the manner and principle of the rotation of the clamping jaw 73 relative to the hinge point to clamp the product are the same as those of the pressing jaw 22, and the difference between the two is that the hinge point of the clamping jaw 73 can rotate along the axial center of the placing groove 71.

As a further improvement of the above solution, as shown in fig. 5, the wire stripping and feeding mechanism 4 includes a wire stripping and cutting assembly and a wire feeding assembly, which are sequentially arranged along the conveying direction of the bonding wire, the wire stripping and cutting assembly includes a guide wheel 41, a wire stripping roller 42, a threading block 43, and two cutting rollers 44 arranged in an opposite and fitting manner, in this embodiment, the wire stripping roller 42 may adopt a specification and a model commonly used in the market, one embodiment of the wire stripping roller 42 includes two roller shafts capable of moving relatively, a copper wire brush is arranged on the roller shafts, the bonding wire passes through the two roller shafts for driving and the two roller shafts rotate in opposite directions, further, the roller shaft above the bonding wire in the two roller shafts is connected with an air cylinder capable of driving the bonding wire to move up and down, the two roller shafts rotate along the conveying direction of the bonding wire, that is, the traction mechanism conveys the bonding wire to the wire stripping roller 42, the two roll shafts move relatively close to each other to perform wire stripping operation, after wire stripping is completed, the roll shaft positioned above the bonding wire is far away from the bonding wire, the traction mechanism continues to convey the bonding wire forward, namely, the bonding wire can be relatively static during wire stripping, and stable wire stripping is facilitated by the wire stripping roll 42; in this embodiment, the pulling mechanism may be a wire feed assembly that pulls the wire a distance before it is cut by the cutting roll 44.

The outer walls of the two cutting rollers 44 are respectively provided with a cutting block and a cutting groove which are matched with each other, the cutting block can be protruded from the outer wall of the cutting roller 44, the two cutting rollers 44 rotate oppositely, and the cutting principle is that the welding line is cut off through the side edge of the cutting block.

The wire feeding assembly comprises two wire clamping grooves 45 which are connected with a horizontal driving mechanism 47, the two wire clamping grooves 45 are arranged at the output end of the same clamping jaw air cylinder 46, the horizontal driving mechanism 47 can be a linear electric cylinder commonly used in the market, the clamping jaw air cylinder 46 can be relatively close to the horizontal driving mechanism 47 to clamp and transfer a welding wire to the rotary table 2 through the horizontal driving mechanism 47, at the moment, a product rotates to a position corresponding to the tail end of the wire feeding assembly along with the rotary table 2, in addition, the product passes through the product positioning assembly 7 to adjust the angle of the product, and when the product moves to the position corresponding to the wire feeding assembly along with the rotary table 2, the wire feeding assembly can transfer the welding wire to the position corresponding to the welding point on the product.

Further, the clamping jaw air cylinders 46 are at least two arranged on the horizontal driving mechanism 47, so that the cut welding wires can be horizontally conveyed to the rotary table 2, and the phenomenon that one end of each welding wire is unsupported and the other end of each welding wire is dragged to cause that the wire clamping grooves 45 cannot accurately clamp the welding wires and the end parts of the welding wires cannot be correctly placed on the welding points is avoided.

As a further improvement of the above scheme, the groove width of the wire clamping groove 45 is gradually reduced along the conveying direction of the welding wire, that is, the groove width of the wire clamping groove 45 is gradually reduced along the conveying direction of the welding wire until the clamping jaw cylinder 46 can drive the two wire clamping grooves 45 to move relatively close to each other to clamp the welding wire, such a structure plays a role in guiding, the welding wire can be ensured to pass through the wire clamping groove 45, and the wire clamping groove 45 can be ensured to accurately clamp the welding wire.

As a further improvement of the above solution, the automatic wire bonding assembly 5 includes a bonding head connected to a vertical driving mechanism, the vertical driving mechanism may be a conventional linear electric cylinder disposed vertically downward, and further, the automatic wire bonding assembly 5 is further provided with an industrial camera, specifically, the wire feeding assembly conveys the bonding wire to the upper side of the bonding point on the product or the bonding wire is lapped on the bonding point, the industrial camera takes a picture of the product and transmits the picture information to the electrical control assembly, after the bonding wire is ensured to correspond to the bonding point on the product, the electrical control assembly controls the bonding head to move downward to perform the welding operation, which aims to ensure the accurate position of the bonding point and improve the welding quality.

As a further improvement of the above solution, as shown in fig. 6, the product recycling assembly 6 includes a material placing platform 62 connected with a linear driving mechanism 61, the material placing platform 62 can be horizontally close to or far from the turntable 2, further, a manipulator 63 for transferring the product from the turntable 2 to the material placing platform 62 is further arranged above the product recycling assembly 6, the manipulator 63 can be a two-axis manipulator 63 capable of moving horizontally and vertically, the structure of the manipulator 63 can also be the same as that of the product feeding assembly 3 in the present technical solution, and is used for transferring the product, further, the structure of the material placing platform 62 can be the same as that of the tray 31 in the present technical solution, that is, the horizontal moving direction of the material placing platform 62 is perpendicular to the horizontal moving direction of the manipulator 63; its aim at makes things convenient for 2 baiting of carousel, improves the work efficiency of each process on carousel 2, and the product storage of unloading makes things convenient for the workman to collect or take on the blowing platform 62 simultaneously.

As a further improvement of the above scheme, as shown in fig. 8, a cleaning assembly 8 is further disposed on the base 1, the cleaning assembly 8 includes two cleaning brushes 81 that rotate in opposite directions, further, the cleaning assembly 8 is connected to a stepping motor, one of the cleaning brushes 81 can be connected to the stepping motor through a coupling or a gear box, and the two cleaning brushes 81 can be meshed and driven by a transmission gear to rotate in opposite directions; furthermore, a transferring assembly used for transferring the product from the turntable 2 to the cleaning assembly 8 is further arranged on the base 1, the transferring assembly can be a three-axis manipulator commonly used in the market, and further, the cleaning assembly 8 is arranged in an area between the turntable 2 and the product recovery assembly 6 on the base 1, namely, when the product is off-line, the welding scraps splashed on the product when the product is transferred to the cleaning assembly 8 for cleaning and welding through the manipulator, and the product is transferred to the discharging platform 62 after the cleaning is finished.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.

Claims

1. The utility model provides an automatic wire bonding equipment, its characterized in that, including base (1), carousel (2) and the electrical control subassembly of setting respectively on base (1), still including set gradually on base (1) along circumference and respectively with the product material loading subassembly (3) that the electrical control subassembly is connected, wire stripping feed mechanism (4), automatic wire bonding subassembly (5) and product recovery subassembly (6), be provided with a plurality of station piece along circumference on carousel (2), the station piece is including being used for placing station groove (21) of product and setting up in station groove (21) top and can move down and compress tightly pressure claw (22) of product.

2. The automatic wire bonding apparatus according to claim 1, wherein the product loading assembly (3) comprises a tray (31) and a vacuum chuck (32) capable of transferring the product from the tray (31) to the turntable (2), and the vacuum chuck (32) is connected with a horizontal moving assembly (33) and a vertical moving assembly (34).

3. The automatic wire bonding apparatus according to claim 2, characterized in that a product positioning assembly (7) is further arranged between the turntable (2) and the tray (31), and the product positioning assembly (7) comprises a placing groove (71), a detection camera (72) arranged above the placing groove (71) and a clamping jaw (73) capable of driving the product to rotate in the placing groove (71).

4. An automatic wire bonding apparatus according to claim 3, characterized in that the clamping jaw (73) has a drive rod connected thereto, and the drive rod is connected to a telescopic power member and a rotary drive mechanism (74).

5. The automatic wire welding equipment according to claim 1, wherein the wire stripping and feeding mechanism (4) comprises a wire stripping and cutting assembly and a wire feeding assembly which are sequentially arranged along the conveying direction of the welding wire, the wire stripping and cutting assembly comprises a wire stripping roller (42) and two cutting rollers (44) which are oppositely attached, and the outer walls of the two cutting rollers (44) are respectively provided with a cutting block and a cutting groove which are matched with each other.

6. The automated wire bonding apparatus of claim 1 wherein the wire feed assembly includes two wire clamping slots (45) each connected to a horizontal drive mechanism (47), the two wire clamping slots (45) being relatively close together to clamp and transfer the wire to the product.

7. Automatic wire bonding apparatus according to claim 6, characterized in that the width of the wire clamping groove (45) is tapered in the wire transport direction.

8. The automatic wire bonding apparatus of claim 1 wherein the automatic wire bonding assembly (5) comprises a bonding head having a vertical drive mechanism coupled thereto, the product being capable of rotating with the turntable (2) to a bond point position corresponding to the bonding head.

9. The automatic wire bonding apparatus according to claim 1, wherein the product recovery assembly (6) comprises a discharge platform (62) connected to a linear drive mechanism (61), the discharge platform (62) being horizontally movable toward and away from the turntable (2).

10. The automatic wire bonding apparatus according to claim 1, further comprising a cleaning assembly (8), wherein the cleaning assembly (8) comprises two cleaning brushes (81) rotating in opposite directions.