CN111464931A

CN111464931A - Automatic assembling equipment for miniature loudspeaker semi-finished products

Info

Publication number: CN111464931A
Application number: CN202010267235.2A
Authority: CN
Inventors: 黄其祥
Original assignee: Wenzhou Polytechnic
Current assignee: Wenzhou Polytechnic
Priority date: 2020-04-07
Filing date: 2020-04-07
Publication date: 2020-07-28
Anticipated expiration: 2040-04-07
Also published as: CN111464931B

Abstract

The invention provides automatic assembling equipment for a semi-finished product of a micro loudspeaker, which belongs to the field of loudspeaker processing equipment and comprises a first station adopting linear conveying and a second station adopting rotary conveying, wherein the first station comprises a first feeding mechanism, a glue dispensing mechanism, a second feeding mechanism, a tablet pressing mechanism and a translation pushing mechanism which are sequentially distributed according to working procedures. The second station comprises two third feeding mechanisms, two positioning and adjusting mechanisms, a flattening and involuting mechanism, a hot riveting mechanism, a first welding mechanism, a second welding mechanism, a material taking mechanism and a turntable mechanism which are sequentially distributed according to the working procedures. The invention adopts a conveying mode combining linear conveying and rotary conveying, correspondingly distributes the processing mechanisms on a linear conveying or rotary conveying line according to the characteristics of each processing procedure, and ensures consistent rhythm and smooth flow connection among the processing mechanisms by simplifying, optimizing and splitting each mechanism, thereby effectively improving the efficiency of automatic assembly of the loudspeaker.

Description

Automatic assembling equipment for miniature loudspeaker semi-finished products

Technical Field

The invention relates to the field of automatic loudspeaker assembling equipment, in particular to automatic assembling equipment for a miniature loudspeaker semi-finished product.

Background

A speaker, also called a "horn", is a commonly used electroacoustic transducer, which includes a housing, a diaphragm, a magnet, and conductive terminals. There is a micro-speaker in the market, which uses a flat diaphragm, and has a flat cylindrical shape as a whole, and relates to an improvement of the diaphragm structure: the two conductive terminals are combined with the proper position on the surface of the loudspeaker diaphragm. The structure can replace the conventional voice coil wire, simplify the structure and eliminate abnormal sound generated by adopting the voice coil wire, thereby improving the sound quality of the loudspeaker.

With regard to the above-described improved structure of the process, the assembling apparatus currently sold in the market has the following problems: firstly, the processing precision is low, the error is large, the two conductive terminals cannot be accurately fixed at the designated positions on the surface of the diaphragm, and the error has great influence on the tone quality of the loudspeaker, so that the quality of a finished product is low. And assembly equipment adopts a rotary structure or a circular large turntable structure, so that the occupied volume is large and the processing efficiency is low.

Visual inspection is a mature technology in the prior art, which is used for replacing human eyes to measure and judge by converting an object to be captured into an image signal through an image capturing device and combining with an identification technology. The signals are transmitted to a dedicated image processing system, and are generally converted into digitized signals according to information such as pixel distribution, brightness, and color, and the signals are subjected to various operations by an image system to extract the characteristics of the target, and further, the characteristics are determined according to the results.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides automatic assembling equipment for semi-finished products of miniature speakers, which has the advantages of high finished product quality, reasonable station distribution and smooth connection, and solves the problems of complex structure, large occupied area, low processing precision and low processing efficiency of the assembling equipment in the prior art.

In order to achieve the purpose, the invention provides automatic assembling equipment for miniature loudspeaker semi-finished products, which comprises a first station and a second station, wherein the first station is conveyed linearly, the second station is conveyed circularly, and the first station comprises a first feeding mechanism and a translation pushing mechanism. The first feeding mechanism and the first feeding mechanism comprise a vibration disc for accommodating a plastic shell, a conveying rail connected with an outlet of the vibration disc and a conveying lower base plate butted with the second station, and an outlet of the conveying rail is communicated with an inlet of the conveying lower base plate through an upper push plate; the push-up plate is driven by a push-up cylinder.

Translation push mechanism sets up with carrying lower bolster parallel fit, including separating propelling part and propelling movement cylinder, it is equipped with bottom plate and a plurality of parallel equidistance vertical distribution in the shift fork of the length direction of bottom plate to separate the propelling part, the bottom surface of bottom plate sets up with the upper surface clearance fit who carries the lower bolster, interval between the shift fork suits with the size of treating the processing work piece, propelling movement cylinder drive is separated propelling part and is carried reciprocating motion on the lower bolster, the bottom of carrying the lower bolster is equipped with its up-and-down motion of cylinder drive.

The automatic glue dispensing device is characterized in that a glue dispensing mechanism, a glue dispensing rotating mechanism, a second feeding mechanism and a tablet pressing mechanism are sequentially arranged at the side edge position of the conveying lower base plate along the conveying direction, the positions of two workpieces are spaced between the glue dispensing mechanism and the second feeding mechanism, and the tablet pressing mechanism is arranged close to the second feeding mechanism.

The glue dispensing rotary machine comprises a rotary seat, a rotary motor and a rotating ring detection assembly formed by combining a synchronizing wheel and a rotating speed sensor, wherein the rotary seat is arranged on an opening of a conveying lower base plate, the height and the shape of the bottom surface of the rotary seat are matched with those of the conveying lower base plate, the synchronizing wheel keeps synchronous rotation with an output shaft of the rotary motor through a synchronous belt, and the rotating speed sensor is used for detecting the rotating ring condition of the synchronizing wheel; the glue dispensing mechanism comprises a glue dispensing head, a glue cylinder, a cylinder used for driving the glue dispensing head to move forwards and backwards with a large stroke and move up and down, and a fine adjustment structure in X, Y, Z three directions, wherein the glue dispensing head is connected with the glue cylinder through a guide pipe, the fine adjustment structure comprises a compression spring, a thread rotating head, a thread seat and a U-shaped fixed seat, the thread seat is connected on the U-shaped fixed seat in a sliding manner, the compression spring is clamped between the thread seat and the side wall of the U-shaped fixed seat, and the thread rotating head is perforated from the opposite side of the side wall of the U-shaped fixed seat to be in thread fit with the thread seat; the glue dispensing rotating mechanism rotates the workpiece on the glue dispensing head in the glue dispensing process of the glue dispensing head and is matched with the glue dispensing head to finish the glue dispensing action of the annular plane.

The second feed mechanism is including the cylinder that is used for holding feeding box, translation seat, sucking disc and the vertical, horizontal reciprocating motion of drive sucking disc of vibrating diaphragm, and the bottom of feeding box is equipped with the discharge gate, be equipped with the recess that only can the holding vibrating diaphragm on the translation seat, the translation seat is located feeding box bottom and rather than clearance fit, the translation seat carries out the translation motion by a jar drive of gas, the sucking disc is sucked up and is carried by the vibrating diaphragm on the cylinder drive and send the lower bolster in the work piece annular plane of glue coating.

The tablet pressing mechanism comprises a pressing head and a cylinder for driving the pressing head to longitudinally reciprocate.

The second station comprises a turntable mechanism, two positioning adjusting mechanisms, a hot riveting mechanism, a welding mechanism, a detection mechanism and a material taking mechanism which are sequentially distributed according to the processing sequence, and two third feeding mechanisms are further arranged to be respectively butted with the two positioning adjusting mechanisms.

The rotary table mechanism comprises an index plate and a stepping motor for driving the index plate to rotate, a plurality of clamps are fixed near the outer edge of the index plate, and the number of the clamps is not less than that of the mechanisms in the second station; the clamp is provided with a baffle plate for limiting the longitudinal movement of the workpiece and a positioning bulge for horizontal movement; the centre line of the clamp is consistent with the radius of the dividing disc.

The third feed mechanism comprises a vibration disc and a conveying rail, wherein the vibration disc is used for containing a vibration diaphragm, the conveying rail is connected with an outlet of the vibration disc, and an outlet at the other end of the conveying rail is in butt joint with the positioning adjusting mechanism.

The positioning adjusting mechanism comprises an upper part and a lower part, the lower part of the structure comprises a cylinder which is connected with a material base and drives the material base to translate, the upper surface of the material base is provided with a positioning lower seat, the positioning lower seat is provided with a positioning structure, the positioning structure comprises a Y-shaped groove and a positioning fixing pin which are positioned on the same straight line, the positioning lower seat is provided with a positioning upper seat, the bottom of the positioning upper seat is provided with a positioning head which is matched with the positioning structure to realize positioning, and the positioning upper seat and the positioning lower seat are respectively driven by the cylinder to be relatively combined for positioning. The upper part structure comprises a V-shaped guide block, a guide groove and a clamping hand which is coaxially and fixedly connected with the guide block, the clamping hand is rotatably arranged on a sliding block, and the sliding block can reciprocate longitudinally and transversely; the guide groove is provided with a guide surface which leads the V-shaped guide block moving to the index plate to deflect angularly and further leads the terminal clamped by the clamping hand to be parallel to the diameter of the index plate.

The hot riveting mechanism comprises a heating block, a hot riveting head, a probe and a cylinder for driving the hot riveting head to reciprocate up and down, the heating block is attached to the hot riveting head, the probe is fixed on the probe pad, and the probe pad can move transversely and longitudinally to adjust the position of the probe.

The welding mechanism comprises a welding cylinder, a welding adjusting assembly and a welding head, wherein the welding adjusting assembly comprises a cylinder and a sliding block, and the cylinder and the sliding block are used for driving the welding head to move longitudinally and transversely.

The detection mechanism is a visual detection mechanism; the material taking mechanism comprises a material taking head, a good material channel and a bad material channel which can slide transversely and longitudinally, a bad material channel is arranged below an outlet of the bad material channel, and the outlet of the good material channel is connected with the discharging conveying mechanism.

The upper structure provides automatic assembling equipment for a miniature loudspeaker semi-finished product, and relates to the processing of four parts including a plastic shell, a vibrating diaphragm, a first terminal and a second terminal, wherein a first feeding mechanism is used for feeding the plastic shell, a glue dispensing mechanism and a glue dispensing rotating mechanism are matched with each other to coat glue on an annular plane on the plastic shell, a second feeding mechanism is used for putting the vibrating diaphragm on the annular plane coated with the glue, a tabletting mechanism is used for pressurizing to glue the vibrating diaphragm and the plastic shell, a translation pushing mechanism is used for gradually advancing the plastic shell in a linear conveying mode after the first feeding mechanism feeds the plastic shell, and pushing the plastic shell into a clamp of the turntable mechanism for fixing, the turntable mechanism drives the plastic shell to sequentially enter two positioning adjusting mechanisms in a one-wheel conveying mode, and the first terminal and the second terminal are accurately placed into a designated groove according to welding requirements by matching with a third feeding mechanism, the hot riveting mechanism is used for hot riveting the terminal terminals, the terminal terminals sequentially enter the two welding mechanisms for spot welding, then the terminal terminals enter the detection mechanism for detecting the quality of the semi-finished product in a visual detection mode, preferably the semi-finished product is taken out of the material taking mechanism and clamped in the clamp by the material taking head, the semi-finished product is put into the good material channel or the bad material channel according to the detection result of the detection mechanism, the semi-finished product entering the good material channel is finally conveyed to another processing line or a storage point by the discharging conveying mechanism, and the product in the bad material channel enters the bad material groove and needs to be reworked finally.

According to the invention, the first station is linearly conveyed by adopting the translation pushing mechanism, the second station is circularly conveyed by adopting the turntable mechanism, the first station and the second station are excessively connected by virtue of the translation pushing mechanism, and no other conveying mechanism is arranged, so that the structure is simplified, the cost is reduced, the first station and the second station can be directly and smoothly connected into a whole in real time, and the smoothness of connection among all processing procedures is improved. Besides the conveying mode, the synchronous and simultaneous conveying of a plurality of materials is realized through the matching of the translation pushing mechanism and the conveying lower base plate, the conveying efficiency is also improved, and the working time of each mechanism distributed on the conveying lower base plate and the working time of each mechanism in the second station are coordinated through different conveying modes, so that the processing time and the processing rhythm of the mechanisms in the first station and the second station are unified integrally, and the production efficiency of the equipment is improved.

The invention also particularly improves the processes of loading, taking and putting in the terminals, on one hand, the positions of the terminals are accurately positioned through the positioning structure, so that the positions of the terminals clamped by the clamping hands are accurate, and then the terminals move according to the guide tracks and can be accurately deflected to the positions parallel to the putting positions through the special guide block and guide groove structures, so that the terminals are accurately put in, the orientation and the positions of the terminals are accurately controlled in the whole process of taking, conveying and putting, perfect matching with a circular turntable such as an index plate is realized, and the accuracy of putting the terminals is greatly improved. And the structure is simple, the stability is high, and the error rate is low.

Of course, the feeding and the distributing of the first terminal and the second terminal are performed by two independent mechanisms, so that the high-frequency and short-time processing mode of a rotary conveying mode can be matched, the first terminal and the second terminal are fed independently and are not influenced mutually, and the influence of misoperation is reduced. Meanwhile, the welding mechanism of the first terminal and the second terminal is divided into two parts, so that the high-frequency and short-time processing state matched with a rotary conveying mode is realized, a welding head only needs to move up and down during welding, the welding of the two terminals is independent and does not influence each other, and the welding accuracy is improved.

In order to further ensure the accuracy of the terminal processing, the invention is further provided as follows; the flattening and closing mechanism comprises a base body, a guide seat, a flattening and closing head and an air cylinder which is fixed on the base body and drives the flattening and closing head to move up and down, the flattening and closing head is slidably arranged in the guide seat in a penetrating mode, two ends of the bottom of the flattening and closing head are respectively provided with a closing part, the bottom end of the closing part is provided with a closing groove which is in the same direction with the radial direction of the dividing plate, and the width of the closing groove is larger than the diameter of the metal positioning pin on the plastic shell and smaller than the width of a groove where the metal positioning pin on the plastic shell is located.

The invention further provides the following: and the seat body is also fixedly provided with a position sensor for detecting the descending height of the flattening butt joint.

In order to improve the accuracy of the operation of each mechanism and improve the processing efficiency, the invention is further provided with the following components: the positioning adjusting mechanism is internally provided with a position sensor for detecting the transverse moving stroke and the longitudinal moving stroke of the positioning lower seat and for detecting the longitudinal moving stroke of the positioning upper seat; and a position sensor for detecting the descending stroke of the hot riveting head is arranged on the fixed part of the hot riveting mechanism. A mounting seat for mounting a position sensor is arranged on a conveying lower base plate of the first feeding mechanism; and a position sensor for pushing stepping of the controller is arranged on the translation pushing mechanism. (ii) a And a position sensor for detecting the stroke of the dispensing mechanism is arranged on the fixed part of the dispensing mechanism, and a position sensor for detecting the longitudinal and transverse displacements of the sucker head and a position sensor for detecting the stroke of the translation seat are arranged on the second feeding machine. And the tablet pressing mechanism is also provided with a position sensor for detecting the stroke of the up-and-down movement of the pressing head. The position sensor is at least one of a proximity switch, an infrared detector or a distance sensor.

In order to improve the material distributing efficiency, the invention is further provided with the following components: the material taking mechanism further comprises a groove separating seat, the material taking head and related parts for driving the material taking head to move are fixedly arranged on the groove separating seat, and the groove separating seat is driven by a cylinder to be in butt joint with the good material channel or the bad material channel. Meanwhile, after the sub-slot seats play a main role in distributing and classifying, the air cylinder of the material taking head only needs to finish the material taking action, so that the complexity of the action is reduced, and the efficiency of the mechanism is improved.

In order to improve the efficiency and unify the rhythm of each mechanism, the invention is further arranged as follows: the conveying lower base plate simultaneously conveys 9 plastic shells at the last time, 12 clamps are arranged on the turntable mechanism, a position of one clamp is arranged between the butt joint position of the conveying lower base plate and the index plate and a first positioning adjusting mechanism at an interval, a position of one clamp is arranged between the first positioning adjusting mechanism and a second positioning adjusting mechanism behind the first positioning adjusting mechanism at an interval, a position of one clamp is arranged between the second positioning adjusting mechanism and a hot riveting mechanism at an interval, and two welding mechanisms, a visual detection mechanism and a material taking mechanism behind the hot riveting mechanism are arranged adjacently in sequence.

The invention has the following beneficial effects:

the invention adopts a conveying mode combining linear conveying and rotary conveying, distributes the processing products on corresponding positions of a linear conveying or rotary conveying line according to the characteristics of each processing procedure, and realizes consistent rhythm and unsmooth flow connection among the processing mechanisms by simplifying, optimizing and splitting the mechanisms, thereby greatly improving the automatic assembly efficiency of the loudspeaker, improving the processing quality of products while improving the efficiency and simplifying the mechanism structure.

Drawings

Fig. 1 is an overall perspective view of an embodiment of the present invention.

FIG. 2 is a general top view of an embodiment of the present invention.

Fig. 3 is a perspective view of a partial structure of an embodiment of the present invention.

Fig. 4 is a front structural view of a first feeding mechanism according to an embodiment of the present invention.

Fig. 5 is a rear structure view of the first feeding mechanism according to the embodiment of the present invention.

Fig. 6 is a schematic top view of a first feeding mechanism according to an embodiment of the invention.

Fig. 7 is a perspective view of a translational pushing mechanism according to an embodiment of the present invention.

FIG. 8 is a top view of a translational pushing mechanism in accordance with an embodiment of the present invention.

FIG. 9 is a rear view of a translational pushing mechanism in accordance with an embodiment of the present invention.

Fig. 10 is a perspective view of a dispensing mechanism according to an embodiment of the present invention.

Fig. 11 is a right side view of the dispensing mechanism in accordance with the preferred embodiment of the present invention.

Fig. 12 is a perspective view of a dispensing rotation mechanism according to an embodiment of the invention.

Fig. 13 is a perspective view of a second feeding mechanism according to an embodiment of the present invention.

Fig. 14 is a schematic view of a discharging structure of the second feeding mechanism according to the embodiment of the present invention.

FIG. 15 is a schematic view of a feeding structure of a second feeding mechanism according to an embodiment of the present invention

Fig. 16 is a perspective view of a flattening and involution mechanism according to an embodiment of the present invention.

Fig. 17 is a perspective view of a turntable mechanism according to an embodiment of the present invention.

Fig. 18 is a schematic structural view of a positioning jig according to an embodiment of the present invention.

Fig. 19 is a perspective view of a third feeding mechanism according to an embodiment of the present invention.

Fig. 20 is a general schematic view of a third feeding mechanism according to an embodiment of the present invention.

Fig. 21 is a positioning schematic diagram of a third feeding mechanism according to an embodiment of the present invention.

Fig. 22 is a schematic view of a clamping structure of a third feeding mechanism according to an embodiment of the invention.

Fig. 23 is a left side view of the positioning adjustment mechanism according to the embodiment of the invention.

Fig. 24 is a schematic view of a positioning structure of a third feeding mechanism according to an embodiment of the present invention.

Fig. 25 is a schematic view of a hot riveting mechanism according to an embodiment of the invention.

FIG. 26 is a schematic view of a welding mechanism according to an embodiment of the present invention

Fig. 27 is an overall schematic view of a material taking mechanism according to an embodiment of the invention.

Fig. 28 is a schematic view of a material taking mechanism according to an embodiment of the invention.

Fig. 29 is a schematic view of a take head structure according to an embodiment of the invention.

Fig. 30 is an enlarged view of fig. 1A.

Fig. 31 is an enlarged view of fig. 3B.

Fig. 32 is an enlarged view of fig. 3C.

Fig. 33 is an enlarged view of fig. 3D.

FIG. 34 is a schematic view of the hot riveting process of the present invention.

Fig. 35 is a schematic view of the terminal soldering process of the present invention.

Fig. 36 is an exploded view of the finished product of the present invention.

Reference numerals: 1. 1' -a plastic shell, 101-a metal positioning pin, 102-a terminal groove, 103-an annular gluing surface, 104-a positioning notch, 2-a vibrating diaphragm, 301-a terminal I, 302-a terminal II and 301 a-a positioning opening;

100-a first feeding mechanism, 200-a translation pushing mechanism, 300-a glue dispensing mechanism, 400-a second feeding mechanism, 500-a turntable mechanism, 600-a positioning adjusting mechanism, 600-1, 600-2-a third feeding mechanism, 700-a hot riveting mechanism, 800-a welding mechanism, 800-1-a first welding mechanism, 800-2-a second welding mechanism, 800-3-a cigarette sucking box, 800-4-a welding machine, 900-a material taking mechanism, 1000-a discharging conveying mechanism and 1100-a flattening involution mechanism;

101-metal positioning pin, 110-first feeding vibration disc, 120-first feeding conveying rail, 130-push-up cylinder, 140-glue dispensing rotating mechanism, 150-downward moving mechanism, 160-conveying lower backing plate, 170-tabletting mechanism, 131-upward push plate, 151-downward moving cylinder, 152-downward moving connecting plate, 153-downward moving pull plate, 161-downward moving stopper, 181-side base and 182-sensor mounting base;

141-a rotating base, 142-a rotating motor, 143-a synchronizing wheel, 144-a rotating speed sensor, 144 a-a rotating head;

171-pressure head, 172-pressure head mounting base, 173-pressure head slide rod, 174-pressure head slide block, 175-pressure head base, 176-pressure head cylinder and 176 a-pressure head piston rod;

210-a separation pushing piece, 220-a translation pushing cylinder, 230-a mounting plate, 211-a translation pushing bottom plate, 212-a shifting fork, 213-a thrust seat, 214-a translation sliding rail, 221-a translation buffer block, 231-a first connecting rod, 232-a second connecting rod and 233-a fixed seat;

310-Y direction fine adjustment structure, 320-X direction fine adjustment structure, 330-Z direction fine adjustment structure, 340-back and forth moving cylinder, 350-up and down moving cylinder, 360-dispensing head, 370-glue cylinder, 311-spring, 312, 331-thread rotating head, 332-thread seat;

410-a first traverse base, 420-a first longitudinal moving base, 430-a loading box, 440-an adjusting block, 450-a loading cylinder, 411-a distance sensor, 412-a first traverse slide rail, 421-a first traverse slide block, 422-a first longitudinal moving cylinder, 423-a first longitudinal moving slide rail, 424-a first longitudinal moving slide block, 425-a loading sucker, 426-a first traverse slide cylinder, 431-a loading through groove, 432-an adjusting fixed seat, 451-a loading translation seat and 452-a distance sensor;

510-an index plate, 520-a transmission case, 530-a turntable motor, 540-a clamp, 541-a left bulge, 542-a right bulge, 541 a-a baffle and 542 a-a positioning bulge; 540 a-U-shaped bayonet;

610-a second longitudinal moving cylinder, 611-a second longitudinal moving sliding block, 612-a second longitudinal moving sliding rail, 620-a second transverse moving cylinder, 621-a second transverse moving sliding block, 630-a second transverse moving sliding rail, 631-a guide block, 632-a guide groove, 632 a-an inclined plane, 632 b-a parallel plane, 632 c-a step plane, 640-a clamping hand, 641-a clamping head, 650-a positioning upper seat, 651-a positioning head, 651 a-a longitudinal pressing part, 651 b-a side pressing part, 652-a positioning adjusting cylinder I, 653-a second distance sensor, 654-a positioning connecting seat, 660-a positioning structure, 660a positioning fixing pin, 660 b-a Y-shaped slot, 660 c-a butting surface, 661-a positioning lower seat, 662-a positioning adjusting cylinder II, 670-a material receiving cylinder, 671-a material receiving sliding rail, 672-a material receiving sliding block and 673-a material receiving base;

710-a longitudinal movement cylinder III, 720-a longitudinal movement slide rail III, 730-a longitudinal movement slide block III, 740-a heating block, 750-a hot riveting head, 760-a probe pad, 770-a probe transverse movement rail, 780-a probe longitudinal movement rail and 761-a probe;

810-welding cylinder, 820-welding adjusting component, 830-welding head;

910-longitudinal moving cylinder four, 911-longitudinal moving slide rail four, 912-longitudinal moving slide block four, 920-material taking head, 921-material taking installation part, 922-material taking part, 922 a-clamping foot one, 922 b-clamping foot two, 922 c-clamping foot three, 930-groove separating cylinder, 931-groove separating seat, 932-good material channel, 933-bad material channel, 940-transverse moving cylinder four and 950-bad material channel;

1101, a clamping block, 1110, a vertical moving cylinder five, 1120, a seat body, 1121, a guide seat, 1130, a flattening butt joint head and 1140, wherein the vertical moving cylinder five is used for moving a proximity switch.

Detailed Description

Example 1

As shown in fig. 36, the present embodiment provides an automatic assembling device for a semi-finished product of a micro-speaker, which relates to four parts in total for a plastic housing 1, a vibrating diaphragm 2, a first terminal 301 and a second terminal 302, and as shown in fig. 1 to 3, the processing process sequentially includes steps of feeding the plastic housing 1, dispensing glue, feeding the vibrating diaphragm 2, pressing and gluing, feeding the first terminal 301 and the second terminal 302, pressing and positioning the terminals, thermally riveting the terminals, spot-welding the terminals, and taking materials. In order to simplify the production line of automatic assembly and improve the smoothness of connection between processing procedures, so that the processing procedures can be maintained in the same working rhythm, the embodiment divides the specific processing steps in the processing procedures into two major stations, wherein the first station comprises the processing procedures of feeding the plastic shell 1, dispensing glue, feeding the vibrating diaphragm 2, pressurizing and gluing and the like, the second station comprises the upper terminal I301 and the terminal II 302, the terminals are pressed in and positioned, thermally riveted, spot-welded, taken and the like, the first station adopts the translation pushing mechanism 200 to carry out linear conveying, the second station adopts the turntable mechanism 500 to carry out rotary conveying, the first station is excessively connected with the second station by the translation pushing mechanism 200 without additionally arranging a conveying mechanism, on one hand, the structure is simplified, the cost is reduced, and on the other hand, the first station can directly and immediately carry out real-time connection with the second station, Smoothly connected into a whole, and is beneficial to improving the connection smoothness among all processing procedures and the related structure of all procedures of course reporting.

Referring to fig. 3, the first station includes a first feeding mechanism 100, a glue dispensing mechanism 300, a second feeding mechanism 400, and a sheet pressing mechanism 170, which are sequentially distributed according to the process, and includes a translation pushing mechanism 200 for pushing the workpiece to move on each processing station.

As shown in fig. 4 and 5, the first feeding mechanism 100 includes a first feeding vibration tray 110 and a first feeding conveying rail 120 connected to and communicated with the first feeding vibration tray 110, and the first feeding conveying rail 120 is used for conveying the plastic casing 1 from an outlet of the first feeding vibration tray 110 to a conveying lower pad 160 disposed at an outlet of the other side of the first feeding conveying rail 120. In order to ensure smooth connection between the first feeding and conveying rail 120 and the conveying lower backing plate 160, a push-up plate 131 is arranged between the outlet of the first feeding and conveying rail 120 and the inlet of the conveying lower backing plate 160, the push-up plate 131 is driven by a push-up cylinder 130, and the height of the push-up cylinder 130 can be adjusted according to actual installation conditions so as to adapt to specific conditions that the conveying heights of the first feeding and conveying rail 120 and the conveying lower backing plate 160 are not consistent. The plastic case 1 is advanced into the conveyance lower plate 160 and into the conveyance lower plate 160 by being pushed by the translation pushing mechanism 200.

As shown in fig. 7-9, the translational pushing mechanism 200 includes two fixing bases 233, a partition pushing member 210, and a translational pushing cylinder 220, in this example, the two fixing bases 233 are parallel and relatively fixed to the ground or the table, the two fixing bases 233 are connected to a mounting plate 230, the mounting plate 230 is provided with mounting holes, a first connecting rod 231 and a second connecting rod 232 are respectively fixed in the mounting holes, and the mounting plate 230 is provided with a translational sliding rail 214. The partition pusher 210 comprises a translational pusher base plate 211 and a plurality of shift forks 212: the translation pushing bottom plate 211 is arranged on the side edge of the conveying lower base plate 160 in the length direction and is adjacent to the side edge, and the bottom of the translation pushing bottom plate 211 is provided with a corresponding sliding groove and is in sliding fit with the translation sliding rail 214. One end of the fork 212 is fixed on the translational pushing base plate 211, the other end extends along the width direction of the conveying lower base plate 160, extends to the upper part of the conveying lower base plate 160 and spans to the other side of the conveying lower base plate 160, and the small surface of the fork 212 is flush with the upper surface of the conveying lower base plate 160 and is arranged in clearance fit. The plurality of forks 212 are distributed in parallel and evenly, so that a U-shaped bayonet 540A is formed among the forks 212, the adjacent forks 212 and the conveying lower backing plate 160. The size of the U-shaped bayonet 540A is preferably such that the next plastic case 1 can be placed, but the height of the U-shaped bayonet 540A is higher than the height of the plastic case 1 placed on the conveying lower mat 160.

The translation pushing cylinder 220 is fixedly installed on the translation pushing bottom plate 211, the other end of the push rod acts on the thrust seat 213 fixed on the translation slide rail 214, and the separation pushing member 210 can be driven to reciprocate by changing the distance between the translation pushing cylinder 220 and the thrust seat 213. By translating the pushing cylinder 220, the plastic casing 1 in the U-shaped bayonet 540A can be moved on the conveyance lower plate 160 along the longitudinal direction of the conveyance lower plate 160.

Referring to fig. 4 and 5, a downward moving mechanism 150 is disposed at the bottom of the conveying lower cushion plate 160, the downward moving mechanism 150 is composed of a downward moving cylinder 151, a downward moving connecting plate 152 and a downward moving pulling plate 153, the downward moving cylinder 151 is disposed in an inverted state, the end of the piston rod of the downward moving cylinder is detachably and fixedly connected with the downward moving connecting plate 152, the downward moving connecting plate 152 is fixedly connected with the bottom of the downward moving pulling plate 153, and the top of the downward moving pulling plate 153 is preferably fixedly connected with the bottom center position of the conveying lower cushion plate 160, so that when the translational pushing mechanism 200 needs to be reset after completing a forward pushing action, the downward moving cylinder 151 acts to move the conveying lower cushion plate 160 downward to lower the height of the plastic housing 1, so as to provide an avoiding space for the resetting process of the translational pushing mechanism 200, and the plastic housing 1 enters the next process. In order to limit the descending stroke of the transport lower pallet 160 and improve the returning efficiency of the operation of the transport lower pallet 160, referring to fig. 5, the present embodiment is provided with a downward movement stopper 161 having a stopper surface, which is a stepped surface and is capable of restricting the movement of the transport lower pallet 160 in cooperation with the transport lower pallet 160, in the vicinity of the end of the transport lower pallet 160.

In brief, the plastic shells 1 on the conveying lower backing plate 160 are pushed forward one by the translation pushing mechanism 200 and the conveying lower backing plate 160 moving up and down.

As described above, it is known that the plastic casing 1 is processed on the transport lower plate 160 by moving the plastic casing below the fixed processing station at an absolutely strict distance. As can be seen from fig. 4 to 6, three processing stations, namely, the glue dispensing mechanism 300, the second feeding mechanism 400 and the sheeting mechanism 170, are sequentially arranged above the conveying lower mat 160 from right to left at intervals along the conveying direction of the conveying lower mat 160.

In the embodiment, the dispensing action is to coat glue on a horizontal annular glue spreading surface 103 inside the plastic shell 1, and the dispensing in the embodiment adopts a single-point dispensing combined rotation mode to realize dispensing processing. Therefore, the dispensing station of the present embodiment includes two parts, namely, a dispensing mechanism 300 for performing dispensing and a dispensing rotation mechanism 140 for rotating the plastic housing 1 located at the dispensing processing station. Referring to fig. 4, 5 and 12, the dispensing rotating mechanism 140 is disposed at the bottom of the lower conveying pad 160, the dispensing mechanism 300 is disposed at the side and includes a rotating base 141, a rotating motor 142, two synchronizing wheels 143 and a rotation speed sensor 144, a cylindrical rotating base 141 is disposed at a position on the lower conveying pad 160 corresponding to a processing station where dispensing is performed, and the bottom of the rotating base 141 is driven to rotate by the rotating motor 142. Synchronous belt synchronous transmission is used between the two synchronous wheels 143, one synchronous wheel 143 is coaxially fixed with an output shaft of the rotating motor 142, a rotating head 144a provided with a radial stop lever and a rotating speed sensor 144 are coaxially fixed at the shaft end of the other synchronous wheel 143, and the rotating speed sensor 144 is arranged opposite to the rotating head. The synchronous wheel 143, the rotary head 144a and the rotation speed sensor 144 are used in combination to synchronously derive and detect the rotation on the rotation shaft of the rotation motor 142, so as to control the rotary base 141 to rotate one circle reliably and ensure that the horizontal annular glue coating surface 103 is completely coated with glue.

Referring to fig. 10 and 11, the dispensing mechanism 300 includes a dispensing head 360, a glue cylinder 370 (see fig. 1-3), a back-and-forth moving cylinder 340 for driving the dispensing head 360 to move in a large stroke, and an up-and-down moving cylinder 350, the dispensing head 360 is connected to the glue cylinder 370 through a conduit, and of course, a delivery pump should be disposed at the glue cylinder 370 to deliver glue to the dispensing head 360. In view of the limited width of the horizontal annular glue-coated surface 103 in the plastic housing 1 and the horizontal annular glue-coated surface 103, the present embodiment is provided with a Y-direction fine adjustment structure 310, an X-direction fine adjustment structure 320, and a Z-direction fine adjustment structure 330 for manually fine adjusting the position of the dispensing head 360. The Y-fine tuning structure 310, the X-fine tuning structure 320, and the Z-fine tuning structure 330 are the same, taking the Y-fine tuning structure 310 as an example: the compression spring type U-shaped fixing seat mainly comprises a compression spring 311, a threaded rotating head, a threaded seat 332 and a U-shaped fixing seat 233, wherein the threaded seat 332 is connected to a bottom plate in a U-shaped groove of the U-shaped fixing seat 233 in a sliding mode, the compression spring 311 is arranged between the Y-direction side face of one position of the threaded seat 332 and one fixing side plate of the U-shaped fixing seat 233, a threaded hole for adjustment is formed in the Y-direction side face of the other position of the threaded seat 332, an opening is formed in the other fixing side plate of the U-shaped fixing seat 233 opposite to the threaded hole, and the threaded rotating head 312 penetrates. After the dispensing position of the dispensing head 360 is preliminarily determined, the position of the dispensing head 360 on the horizontal annular glue spreading surface 103 can be accurately adjusted only by rotating the screw thread rotating head 312 on the X-direction fine adjustment structure 320, the Y-direction fine adjustment structure 310 and the Z-direction fine adjustment structure 330 corresponding to X, Y, Z in three directions according to specific conditions, and then the dispensing is accurately performed.

Referring to fig. 13, the second feeding mechanism 400 includes a feeding structure and a discharging structure of the vibrating membrane 2: as shown in FIG. 14, the discharging structure mainly comprises a feeding sucker 425, a first traverse base 410 for driving the feeding sucker 425 to move transversely, a first traverse slider 421, a first traverse slide 412, a first traverse cylinder 426 and the like, and a first longitudinal base 420, a first longitudinal cylinder 422, a first longitudinal slide 423, a first longitudinal slider 424 and the like for driving the feeding sucker 425 to move longitudinally. The structure is generally set up as follows: the slide rail sets up on the base, on slider sliding connection and the slide rail, the cylinder is installed on the base, its piston rod and slider fixed connection, and then drive slider back and forth movement.

Referring to fig. 15, the feeding structure mainly comprises a feeding box 430, a feeding translation seat 451 and a feeding cylinder 450, wherein the feeding box 430 is a vertically arranged cylindrical structure, and a vertical feeding through groove 431 is formed in the center of the feeding box, and the vibrating membranes 2 are stacked therein. The feeding translation seat 451 is horizontally and slidably connected to the fixed base of the second feeding mechanism 400, and preferably has a shallow slot on the upper surface thereof for accommodating the vibrating diaphragm 2, the depth of the slot should be the height of the vibrating diaphragm 2, the bottom of the feeding box 430 is in clearance fit with the slot of the feeding translation seat 451, the feeding cylinder 450 is fixed on the fixed base, the piston rod thereof is fixedly connected to the feeding translation seat 451, the feeding cylinder 450 can push the vibrating diaphragm 2 in the feeding translation seat 451 and the shallow slot thereof to move to one side when working, and then the vibrating diaphragm 2 is exposed so that the feeding suction cup 425 in the discharging structure can suck the vibrating diaphragm 2 and place the vibrating diaphragm into the plastic shell 1 at the designated position of the conveying lower cushion plate 160. The present embodiment can restrict only one vibrating diaphragm 2 from being allowed to descend onto the loading translation seat 451 every time loading is performed by restricting the groove depth of the shallow groove. In addition to the above structure, the present embodiment further provides a distance sensor 411 for detecting the movement stroke of the feeding cylinder 450, so as to control the movement stroke of the feeding translation seat 451, so that the central control system can centrally manage and control the processing steps of each mechanism, thereby improving the efficiency. In addition, the present embodiment further includes an adjusting block 440 and an adjusting fixing seat 432, the adjusting fixing seat 432 is fixed on the fixing base of the mechanism, the adjusting block 440 is fixedly connected to the feeding box 430, the adjusting block 440 is connected to the adjusting fixing seat 432 through a plurality of adjusting nuts, the distance between the adjusting block 440 and the adjusting fixing seat 432 is adjusted by rotating the adjusting nuts, and the distance between the feeding box 430 and the feeding translation seat 451 can be precisely controlled.

In this embodiment, a side base 181 is further disposed near the station of the dispensing mechanism 300, a sensor mounting seat 182 is mounted on the side base 181, and an infrared sensor is mounted on the sensor mounting seat 182 to detect whether the loading suction cup 425 of the dispensing mechanism 300 or the second loading mechanism 400 has completed the action step, where the detection signal may act as a trigger signal for the actions of the translation pushing mechanism 200 and the downward moving air cylinder 151.

As shown in fig. 16, after dispensing and applying the vibrating membrane 2, in order to firmly adhere the vibrating membrane 2, a pressing mechanism 170 is provided on the lower conveying pad 160, and the mechanism mainly includes a pressing head 171, a pressing rod 173 for driving the pressing head 171 to move up and down, a pressing cylinder 176, a pressing head slider 174, and a pressing head base 175, wherein the pressing head 171 is mounted on a pressing head mounting base 172, the pressing head mounting base 172 is fixed on the pressing head slider 174, and the pressing head cylinder 176 drives the pressing head slider 174 fixedly connected to a pressing head piston rod 176a to move up and down through sliding engagement between the pressing head slider 174 and the pressing rod 173, so as to drive the pressing head 171 to move up and down together.

Referring back to fig. 6, it can be seen that 9 forks 212 are provided in the present embodiment, that is, each time the translation pushing mechanism 200 is operated, 9 plastic cases 1 are pushed to advance one step towards the conveying direction at the same time, and with reference to fig. 1-3, it can be known that three 3 plastic housings 1 are included between the dispensing mechanism 300 and the first feeding and conveying rail, between the dispensing mechanism 300 and the second feeding mechanism 400, and between the second feeding mechanism 400 and the turntable mechanism 500, that is, the process of feeding the plastic housings 1 to dispensing, dispensing to the upper vibrating diaphragm 2, and transferring from the vibrating diaphragm 2 to the next large station in this embodiment, by designing 3 plastic shells 1 as a group and inserting the tabletting mechanism 170 in the second feeding procedure, the consistency and rhythm of the processing time of each procedure are realized, and the high-efficiency processing is finally realized.

Of course, the processing time of each step is unified, and the processing time is realized by matching the following aspects: the special number of 3 plastic shells 1 in a group is matched with the processing time and the translation pushing interval required by the second feeding mechanism 400 and the glue dispensing mechanism 300, so that the processing time required by each mechanism can be included while the minimum processing time is ensured and the processing waiting time is reduced, and the processing rhythm is kept consistent; secondly, the tabletting mechanism 170 is independent of the second feeding procedure and is inserted between the second feeding procedure and the turntable mechanism 500, so that the respective procedure time is shortened; thirdly, the feeding structure of the vibrating diaphragm 2 is simplified, namely a stacking and pushing feeding mode is adopted, and the feeding structure and the discharging structure are integrated into a large structure, so that the stroke is shortened, and the time is further controlled; and fourthly, a single-point gluing and rotary gluing mode structure is adopted, so that the gluing quality is improved, the time is controlled, and the unified rhythm is facilitated.

Referring to fig. 3, the second station includes two third feeding mechanisms, two positioning adjustment mechanisms 600, a flattening and folding mechanism 1100, a hot riveting mechanism 700, a first welding mechanism 800-1, a second welding mechanism 800-2, a material taking mechanism 900 and a turntable mechanism 500, which are sequentially distributed according to the process. After the first station is finished, the plastic housing 1 which has been subjected to dispensing, vibrating diaphragm 2 application and pressing is introduced into the fixture 540 on the turntable 500, and the plastic housing 1 to be processed and to which the vibrating diaphragm 2 has been bonded is transferred by the turntable 500 in a rotating manner at each processing station.

Referring to fig. 17, the turntable mechanism 500 includes an index plate 510, a transmission case 520, and a turntable motor 530, wherein the turntable motor 530 is in transmission connection with the transmission case 520, and the transmission case 520 rotates the index plate 510 according to the station division. The dividing plate 510 is provided with a plurality of clamps 540 of 10-12, and the number of the clamps 540 is 12 in the embodiment (one of the clamps 540 is not shown). The structure of the jig 540 is shown in fig. 18, on which a left projection 541 and a right projection 542 are provided, the left projection 541 and the right projection 542 are disposed opposite to each other with a large gap between portions thereof near the outer periphery of the index plate 510 and a smaller gap between portions thereof near the center of the index plate 510 being seen, and the portions near the outer periphery of the index plate 510 are formed with U-shaped slots, the openings of which face outward, so that the plastic housing 1 to which the vibrating diaphragm 2 has been bonded can be directly entered into the jig 540 when being aligned with the carrying lower plate 160. In order to limit the plastic housing 1 to which the vibrating diaphragm 2 is adhered from moving, in the present embodiment, a blocking piece 541a having the same shape as the left protrusion 541 is disposed above the left protrusion 541, and the depth between the lower surface and the bottom of the groove is adapted to the thickness of the plastic housing 1, and the edge of the inner groove of the blocking piece 541a slightly protrudes to the U-shaped groove to cover the edge of the plastic housing 1, thereby limiting the plastic housing 1 to which the vibrating diaphragm 2 is adhered from moving in the longitudinal direction. Meanwhile, an arc-shaped positioning protrusion 542a is protruded from a side wall of the right protrusion 542 to restrict the movement of the plastic case 1 to which the diaphragm 2 has been bonded in the radial direction of the index plate 510. The plastic housing 1 bonded with the vibrating diaphragm 2 is longitudinally and transversely limited by the clamp 540, so that the plastic housing 1 bonded with the vibrating diaphragm 2 can be fixed in position relative to each processing mechanism in the process of wheel feeding and subsequent processing, and the accuracy of subsequent processing is further ensured.

Referring to fig. 2, the terminal includes a first terminal 301 and a second terminal 302, which are loaded by a third loading mechanism 600-1 and a third loading mechanism 600-2, respectively, and after loading, the first terminal 301 and the second terminal 302 are placed at specified positions on a plastic housing 1 to which a vibrating diaphragm 2 is bonded by a positioning adjustment mechanism 600, respectively. The positioning adjustment mechanism 600 is directly engaged with the conveying rail.

Referring to fig. 19, the positioning adjustment mechanism 600 includes two parts, namely a receiving positioning mechanism and a guiding discharging mechanism:

the receiving mechanism is shown in fig. 22 and 23: the material receiving function comprises a material receiving cylinder 670, a material receiving slide rail 671, a material receiving slider 672 and a material receiving base 673, the material receiving base 673 is fixed on the ground or a table top, the material receiving slide rail 671 is fixedly arranged on the material receiving base 673 along the conveying direction of the third feeding mechanism 600-1, and the material receiving slider 672 is connected to the material receiving slide rail 671 in a sliding manner. The positioning function is mainly realized by the cooperation of the upper positioning seat 650 and the lower positioning seat 661, as shown in fig. 23, the upper positioning seat 650 is fixedly installed on the connecting positioning seat 654, the connecting positioning seat 654 is driven by the first positioning adjustment cylinder 652 to move up and down, the upper positioning seat 650 is connected with the positioning head 651, one end of the positioning head 651 is fixedly connected with the upper positioning seat 650, and the other end is a suspended end and is located above the lower positioning seat 661. As shown in fig. 19, the lower positioning seat 661 is directly fixed on the material receiving slider 672 and can move up and down by the driving of the second positioning adjustment cylinder 662, a positioning structure 660 is disposed on the upper surface of the lower positioning seat 661, the positioning structure 660 includes a Y-shaped slot 660B and a positioning fixing pin 660a which are located on a straight line, and an abutting surface 600c adjacent to the Y-shaped slot 660B and the positioning fixing pin 660a, the other end of the positioning head 651 is provided with a lateral pressing portion 651B which is matched with the positioning fixing pin 660a to realize positioning and a longitudinal pressing portion 651a which is attached to the outer side wall of one side of the Y-shaped slot 660B, and the bottom of the lateral pressing portion 651B is provided with a positioning hole corresponding to the positioning fixing pin 660a in position and in shape.

The positioning adjustment mechanism 600 of the present embodiment works as follows: the lower positioning seat 661 is driven by the material receiving cylinder 670 to move transversely to a discharge port of a conveying rail of the third feeding mechanism, meanwhile, the lower positioning seat 661 is driven by the second positioning adjusting cylinder 662 to adjust the height thereof to be aligned with the conveying rail, and the first terminal 301 or the second terminal 302 is directly driven by the vibration disc to move onto the positioning structure 660 so that one end of the terminal enters the Y-shaped slot 660B and the other end of the terminal is located near the positioning fixing pin 660 a. After receiving the material, the material receiving cylinder 670 and the second positioning adjusting cylinder 662 drive the lower positioning seat 661 to move to the position under the upper positioning seat 650, the first positioning adjusting cylinder 652 drives the upper positioning seat 650 to descend, the lateral pressing part 651B is matched with the positioning fixing pin 660a in the descending process, in the process, under the pressure action of the lateral pressing part 651B, one end of the terminal in the Y-shaped open groove 660B automatically flattens according to the groove width at the bottom of the Y-shaped open groove 660B, the other end of the terminal is matched and sleeved with the positioning fixing pin 660a through an opening on the terminal, and then the terminal is positioned, and in the positioning process, the longitudinal pressing part 651a is always matched with the outer side wall of the Y-shaped open groove 660B and finally abutted against the abutting surface 660c to keep the positioning process stable.

The guiding and discharging mechanism is shown in fig. 20 and comprises a longitudinal moving structure formed by combining a longitudinal moving cylinder II 610, a longitudinal moving slide block II 611 and a longitudinal moving slide rail II 612, a transverse moving structure formed by combining a transverse moving cylinder II 620, a transverse moving slide block II 621 and a transverse moving slide rail II 630, a guide block 631 and a guide groove 632, and as shown in fig. 22, the guide block 631 is fixed on a rotating connecting shaft which vertically penetrates through the transverse moving slide block II 621, penetrates out of the lower part of the transverse moving slide block II 621 and is fixedly connected with the clamping hand 640. Guide block 631V-block: the device is provided with two side arms, the two side arms are intersected at an obtuse angle, and the end part of one side arm is rotatably connected with a rolling body which is in rolling fit with the guide groove 632. Referring to fig. 21, when the gripper 640 grips the terminal from the third feeding mechanism and moves to the jig 540 after being positioned by the positioning mechanism, the arm of the guide block 631 with the rolling element enters the guide groove 632 through the inclined surface 632a as the gripper gradually approaches, the lower gripper 640 deflects slightly clockwise (as reference in fig. 21), and continues to advance along the parallel surface 632c632b, and when the gripper moves above the jig 540, since the step surface is perpendicular to the parallel surface 632c b, the arm where the rolling element is located abuts against the step surface, so that the lower gripper 640 correspondingly rotates to a deflection angle corresponding to the lower jig 540.

The parts marked as 630 ', 640', 631 'and 641' in fig. 19 and 20 are the positions of the second sideslip rail 630, the gripper 640, the guide block 631 and the gripper 641 after the guiding action. The adjusting mechanism of this embodiment adjusts the deflection angles of the clamping hand 640 and the clamping head 641 through the cooperation of the guide groove 632 and the guide block 631, so that the terminals arranged, conveyed, positioned and clamped in the X direction (based on the position shown in fig. 20) can deflect a certain angle according to the position of the station where the terminals are processed, and the arrangement direction of the terminals is consistent with the radial direction of the index plate 510, so as to place the terminal 301 on the component, where the terminal is designated, on the plastic housing 1 accurately and quickly. The component for placing the terminal is two metal positioning pins 101 disposed on the plastic housing 1, and when the terminal is placed on the collet 641, the opening on the other end of the terminal needs to be aligned with the metal positioning pin 101, and then the terminal is placed on the collet to complete the loading of the terminal.

After the first terminal 301 and the second terminal 302 are loaded, one end of the terminal needs to be welded by the welding mechanism 800, and the other end of the terminal needs to be hot-riveted by the hot-riveting mechanism 700. As shown in fig. 24, the rivet hot mechanism 700 includes a third longitudinal moving cylinder 710, a third longitudinal moving slide rail 720, a third longitudinal moving slide block 730, a heating block 740, and a rivet hot head 750, where the heating block 740 is used for heating the rivet hot head 750, and only the third longitudinal moving cylinder 710 controls the rivet hot head 750 to move up and down, the metal positioning pin 101 on the plastic housing 1 and the other end of the sleeved terminal can be riveted into a whole, and meanwhile, one end of the terminal is also restricted from moving due to the fixation of the other end. In addition, the hot riveting mechanism 700 of this embodiment is further provided with a probe 761, the probe 761 is fixed on the probe pad 760, a probe transverse moving rail 780770 and a probe longitudinal moving rail are arranged below the probe pad 760, and the probe transverse moving rail 780770 and the probe longitudinal moving rail can adjust the position of the probe 761 so that the probe transverse moving rail can be close to the hot riveting head 750 to detect the temperature on the hot riveting head 750.

The welding mechanism 800 is configured as shown in fig. 25 and includes a weld cylinder 810, a weld adjustment assembly 820, and a weld head 830. As shown in fig. 1, the first welding mechanism 800-1 and the second welding mechanism 800-2 are respectively used for welding one end of the first terminal 301 and one end of the second terminal 302, one surface of the first welding mechanism 800-1 and the second welding mechanism 800 can improve the accuracy of terminal welding by a positioning welding method (i.e., the position of the welded X, Y shaft is partially changed, and only the Z shaft moves up and down), and the other surface of the first welding mechanism 800-1-2 and the second welding mechanism 800 can synchronously process different positions of different workpieces simultaneously under the condition of double pipes, so that the same processing rhythm is achieved corresponding to the processing time of each step in the hot riveting, positioning adjustment and first station, and the operation efficiency of the whole equipment is improved.

After the welding mechanism 800, a visual inspection mechanism is provided, and the use of the visual inspection mechanism is a conventional technical means in the field and a mature technical means. Through the visual detection mechanism, whether the quality of the semi-finished product of the loudspeaker obtained by the processing in the steps is qualified or not can be judged.

At the end of the above mechanism, the material taking mechanism 900 is provided in this embodiment, as shown in fig. 26 and fig. 27, the material taking mechanism 900 mainly includes a material taking part 922 and a slot dividing structure, the longitudinal and lateral movements of the material taking part 922 are realized by combining a longitudinal moving cylinder four 910 and a transverse moving cylinder four 940 with corresponding sliding components, the slot dividing structure includes a slot dividing cylinder 930 and a slot dividing seat 931 fixedly connected with a piston rod of the slot dividing cylinder 930, wherein the slot dividing seat 931 is connected with inlets of a good channel 932 and a bad channel 933, an outlet of the good channel 932 is arranged opposite to the material discharging conveying mechanism 1000, and an outlet of the bad channel 933 is arranged opposite to the bad channel 950. For unqualified products, the defective material channel 933 is opposite to the material taking part 922 through the transverse movement adjustment of the sub-groove seat 931, and therefore after the material taking head 920 takes materials, the defective materials directly enter the defective material channel 933 and fall into the defective material groove 950.

Based on the embodiment in which the index plate 510 is provided with the clamp 540 for preventing horizontal and vertical movement, the structure of the middle part of the embodiment is as follows: the main body of the material taking device comprises a material taking mounting part 921 and a material taking part 922, a plurality of open holes used for mounting are formed in the material taking mounting part 921, a first clamping leg 922b922a, a second clamping leg and a third clamping leg 922c which are distributed in a Chinese character 'pin' shape are arranged at the bottom of the material taking part 922, the first clamping leg 922b922a, the second clamping leg and the third clamping leg 922c are matched with the plastic shell 1 in shape in a spaced distribution mode, wherein the first clamping leg 922b922a is close to one side of the first plastic shell 1 from the outer side, the second clamping leg and the third clamping leg 922c are opposite to the first clamping leg 922b922a to support the opposite side of the first plastic shell 1, the first clamping leg 922b922a applies force to the outer side, and the plastic shell 1 is horizontally moved out of the clamp 540 to a sub-groove 931 to enter a corresponding material channel.

In summary, as shown in fig. 30, fig. 31, fig. 32, fig. 33, and fig. 35, in the embodiment, the first feeding mechanism 100 and the translation conveying mechanism are used to perform feeding and linear conveying of the plastic housing 1, in the process of the linear conveying, the vibrating diaphragm 2 is sequentially placed through the dispensing mechanism 300 and the second feeding mechanism 400, and then the vibrating diaphragm 2 is firmly pressed by the pressing mechanism 170 and then is sent to the index plate 510 of the turntable mechanism 500 by the translation pushing mechanism 200, see fig. 30. Referring to fig. 3, after the dividing plate 510 rotates twice, the plastic housing 1 adhered with the vibrating diaphragm 2 is sent to a first terminal 301 on a third feeding mechanism 600-1, the first terminal 301 is fed into a positioning and adjusting mechanism 600, as shown in fig. 31, the first terminal 301 is placed on a metal positioning pin 101 of the plastic housing 1 adhered with the vibrating diaphragm 2 through the positioning and adjusting mechanism 600, and then the first terminal 302 is rotated twice to reach a second terminal 302 on the third feeding mechanism 600-2, after the second terminal 302 is placed, as shown in fig. 32, the dividing plate 510 rotates twice to enter a hot riveting mechanism 700 to rivet the other ends of the first terminal 301 and the second terminal 302, and then the two terminals enter two welding mechanisms 800 through one rotation to weld and fix one ends of the first terminal 301 and the second terminal 302, after the welding and fixing, the dividing plate 510 rotates again to visually detect the processed speaker semi-finished product, after detection, the index plate 510 rotates once again to enter the material taking mechanism 900, and the material taking mechanism 900 allocates the semi-finished loudspeaker product to different material channels according to the structure of the visual detection mechanism.

Example 2

As shown in fig. 29, the present embodiment is different from the above-described embodiments in that: in this embodiment, a flattening and aligning mechanism 1100 is disposed between the terminal feeding and the hot riveting, the flattening and aligning mechanism 1100 includes a base body 1120, a vertically moving cylinder five 1110 fixedly mounted on the base body 1120, and a guide base 1121, a flattening and aligning head 1130 is slidably disposed in the guide base 1121 in a penetrating manner, the flattening and aligning head 1130 is fixedly connected to a piston rod of the vertically moving cylinder five 1110 through a clamping block 1101, and a position sensor is further fixedly mounted below the guide base 1121 and on the base body 1120 for detecting a descending height of the flattening and aligning head 1130. As shown in fig. 30, the bottom of the pressing fitting head 1130 is provided with two fitting portions corresponding to the two metal positioning pins 101 on the plastic housing 1, the bottom end of the fitting portion is provided with a fitting groove in the same radial direction as the index plate 510, the width of the fitting groove is slightly larger than the diameter of the metal positioning pin 101 on the plastic housing 1, and when the pressing fitting head 1130 is moved by the vertical movement cylinder five 1110, the first terminal 301 or the second terminal 302 placed on the metal positioning pin 101 of the plastic housing 1 can be pressed down and the opening at the other end of the terminal is fitted with the metal positioning pin 101. Through this process, can make terminal and metal positioning pin 101 accurate involution before the pressfitting of rivet hot, avoid placing not in place because of the terminal and appear rivet hot failure or rivet hot binding point effect poor, the other end of terminal appear connecting insecure problem. Meanwhile, the step can ensure that the position of the end of the terminal to be welded is correct, so that the end of the terminal is firmly welded on the welding spot by welding.

The processing steps of the present embodiment are shown in fig. 30 to 35.

Claims

1. The utility model provides a miniature speaker semi-manufactured goods automatic assembly equipment which characterized in that: the method comprises a first station for linear conveying and a second station for rotary conveying:

the first station comprises a first feeding mechanism and a translation pushing mechanism: the first feeding mechanism and the first feeding mechanism comprise a vibration disc for accommodating a plastic shell, a conveying rail connected with an outlet of the vibration disc and a conveying lower base plate butted with the second station, and an outlet of the conveying rail is communicated with an inlet of the conveying lower base plate through an upper push plate; the upper push plate is driven by an upper push cylinder;

the translation pushing mechanism is arranged in parallel and matched with the conveying lower base plate and comprises a separating pushing piece and a pushing cylinder, the separating pushing piece is provided with a bottom plate and a plurality of shifting forks which are parallelly and equidistantly and vertically distributed in the length direction of the bottom plate, the bottom surface of the bottom plate is in clearance fit with the upper surface of the conveying lower base plate, the distance between the shifting forks is matched with the size of a workpiece to be processed, the pushing cylinder drives the separating pushing piece to reciprocate on the conveying lower base plate, and the bottom of the conveying lower base plate is provided with a cylinder for driving the cylinder to move up and down;

a glue dispensing mechanism, a glue dispensing rotating mechanism, a second feeding mechanism and a tablet pressing mechanism are sequentially arranged at the side edge position of the conveying lower base plate along the conveying direction, the positions of two workpieces are spaced between the glue dispensing mechanism and the second feeding mechanism, and the tablet pressing mechanism is arranged close to the second feeding mechanism;

the glue dispensing rotary machine comprises a rotary seat, a rotary motor and a rotating ring detection assembly formed by combining a synchronizing wheel and a rotating speed sensor, wherein the rotary seat is arranged on an opening of a conveying lower base plate, the height and the shape of the bottom surface of the rotary seat are matched with those of the conveying lower base plate, the synchronizing wheel keeps synchronous rotation with an output shaft of the rotary motor through a synchronous belt, and the rotating speed sensor is used for detecting the rotating ring condition of the synchronizing wheel; the glue dispensing mechanism comprises a glue dispensing head, a glue cylinder, a cylinder used for driving the glue dispensing head to move back and forth in a large stroke and move up and down, and a fine adjustment structure of X, Y, Z in three directions, wherein the glue dispensing head is connected with the glue cylinder through a guide pipe; the glue dispensing rotating mechanism rotates the workpiece on the glue dispensing head in the glue dispensing process of the glue dispensing head and is matched with the glue dispensing head to finish the glue dispensing action of the annular plane;

the second feeding mechanism comprises a feeding box for containing a vibrating diaphragm, a translation seat, a sucker and a cylinder for driving the sucker to do longitudinal and transverse reciprocating motion, a discharge hole is formed in the bottom of the feeding box, a groove capable of containing only one vibrating diaphragm is formed in the translation seat, the translation seat is located at the bottom of the feeding box and in clearance fit with the feeding box, the translation seat is driven by a gas cylinder to do translation motion, and the sucker is driven by the cylinder to suck up the vibrating diaphragm on the translation seat and convey the vibrating diaphragm to an annular plane, coated with glue, of a workpiece in a lower conveying cushion plate;

the tabletting mechanism comprises a pressing head and a cylinder for driving the pressing head to longitudinally reciprocate;

the second station includes carousel mechanism and two positioning adjustment mechanism, hot riveting mechanism, welding mechanism, detection mechanism and the extracting mechanism that distributes in proper order according to the processing order, still is equipped with two third feed mechanism and docks with two positioning adjustment mechanism respectively:

the rotary table mechanism comprises an index plate and a stepping motor for driving the index plate to rotate, a plurality of clamps are fixed near the outer edge of the index plate, and the number of the clamps is not less than that of the mechanisms in the second station; the clamp is provided with a baffle plate for limiting the longitudinal movement of the workpiece and a positioning bulge for horizontal movement; the center line of the clamp is consistent with the radius of the dividing disc;

the third feeding mechanism comprises a vibrating disc and a conveying rail, wherein the vibrating disc is used for accommodating a vibrating diaphragm, the conveying rail is connected with an outlet of the vibrating disc, and an outlet at the other end of the conveying rail is in butt joint with the positioning adjusting mechanism;

the positioning adjusting mechanism comprises an upper part and a lower part, the lower part of the positioning adjusting mechanism comprises a material receiving base and an air cylinder for driving the material receiving base to translate, a positioning lower seat is mounted on the upper surface of the material receiving base, a positioning structure is arranged on the positioning lower seat, the positioning structure comprises a Y-shaped groove and a positioning fixing pin which are positioned on the same straight line, a positioning upper seat is arranged above the positioning lower seat, a positioning head matched with the positioning structure is arranged at the bottom of the positioning upper seat, and the positioning upper seat and the positioning lower seat are driven by the air cylinder respectively to be closed and positioned; the upper part structure comprises a V-shaped guide block, a guide groove and a clamping hand which is coaxially and fixedly connected with the guide block, and the clamping hand is rotatably arranged on a sliding block which can do longitudinal and transverse reciprocating motion; the guide groove is provided with a guide surface which leads the V-shaped guide block moving to the index plate to deflect angularly and further leads the terminal clamped by the clamping hand to be parallel to the diameter of the index plate;

the hot riveting mechanism comprises a heating block, a hot riveting head, a probe and a cylinder for driving the hot riveting head to reciprocate up and down, the heating block is attached to the hot riveting head, the probe is fixed on a probe pad, and the position of the probe can be adjusted by the probe pad through transverse and longitudinal movement;

the welding mechanism comprises a welding cylinder, a welding adjusting assembly and a welding head, wherein the welding adjusting assembly comprises a cylinder and a sliding block which are used for driving the welding head to move longitudinally and transversely;

2. The automatic assembling apparatus for micro-speaker semi-finished products as claimed in claim 1, wherein: a flattening and closing mechanism is arranged between the second positioning and adjusting mechanism and the hot riveting mechanism and comprises a base body, a guide seat, a flattening and closing head and an air cylinder which is fixed on the base body and drives the flattening and closing head to move up and down, the flattening and closing head is slidably arranged in the guide seat in a penetrating mode, two ends of the bottom of the flattening and closing head are respectively provided with a closing part, the bottom end of the closing part is provided with a closing groove which is in the same direction as the radial direction of the dividing plate, and the width of the closing groove is larger than the diameter of the metal positioning pin on the plastic shell and smaller than the width of the groove where the metal positioning pin on the plastic shell is located.

3. The automatic assembling apparatus for micro-speaker semi-finished products as claimed in claim 2, wherein: and the seat body is also fixedly provided with a position sensor for detecting the descending height of the flattening butt joint.

4. The automatic assembling apparatus for micro-speaker semi-finished products as claimed in claim 1, wherein: the positioning adjusting mechanism is internally provided with a position sensor for detecting the transverse moving stroke and the longitudinal moving stroke of the positioning lower seat and for detecting the longitudinal moving stroke of the positioning upper seat; a position sensor for detecting the descending stroke of the hot riveting head is arranged on the fixed part of the hot riveting mechanism; a mounting seat for mounting a position sensor is arranged on a conveying lower base plate of the first feeding mechanism; the translation pushing mechanism is provided with a position sensor for pushing stepping of the controller; a position sensor for detecting the stroke of the dispensing mechanism is arranged on the fixed part of the dispensing mechanism, and a position sensor for detecting the longitudinal and transverse displacements of the sucker head and a position sensor for detecting the stroke of the translation seat are arranged on the second feeding machine; the tablet pressing mechanism is also provided with a position sensor for detecting the stroke of the up-and-down movement of the pressing head; the position sensor is at least one of a proximity switch, an infrared detector or a distance sensor.

5. The automatic assembling apparatus for micro-speaker semi-finished products as claimed in claim 1, wherein: the material taking mechanism further comprises a groove separating seat, the material taking head and related parts for driving the material taking head to move are fixedly arranged on the groove separating seat, and the groove separating seat is driven by a cylinder to be in butt joint with the good material channel or the bad material channel.

6. The automatic assembling apparatus for micro-speaker semi-finished products as claimed in claim 1, wherein: the conveying lower base plate simultaneously conveys 9 plastic shells at the last time, 12 clamps are arranged on the turntable mechanism, a position of one clamp is arranged between the butt joint position of the conveying lower base plate and the index plate and a first positioning adjusting mechanism at an interval, a position of one clamp is arranged between the first positioning adjusting mechanism and a second positioning adjusting mechanism behind the first positioning adjusting mechanism at an interval, a position of one clamp is arranged between the second positioning adjusting mechanism and a hot riveting mechanism at an interval, and two welding mechanisms, a visual detection mechanism and a material taking mechanism behind the hot riveting mechanism are arranged adjacently in sequence.