CN214641663U

CN214641663U - Loudspeaker assembling production line

Info

Publication number: CN214641663U
Application number: CN202023151258.1U
Authority: CN
Inventors: 陈祖华; 黄旗礽; 张胜利
Original assignee: Haoxing Intelligent Equipment Dongguan Co ltd
Current assignee: Haoxing Intelligent Equipment Dongguan Co ltd
Priority date: 2020-12-24
Filing date: 2020-12-24
Publication date: 2021-11-09
Anticipated expiration: 2030-12-24

Abstract

The utility model discloses a loudspeaker assembly production line, which comprises an inward-looking inspection device, a super-welding fusion device, a magnetic return assembly coating device and an engraving magnetizing device which are arranged according to the process sequence; the inward-looking inspection equipment is provided with a semi-finished product feeding mechanism, a CCD inspection mechanism and a manual inspection station; the super-welding fusion equipment is provided with a semi-finished product transfer mechanism, an upper cover feeding mechanism, an upper cover positioning and assembling mechanism, an ultrasonic fusion mechanism and a product height inspection mechanism; the magnetic return assembly coating equipment is provided with a magnetic return pressing mechanism, a magnetic return dispensing mechanism, a coating inspection mechanism and a drying furnace; the engraving and magnetizing equipment is provided with an engraving mechanism, a magnetizing mechanism and a magnetizing inspection mechanism; so, realized the automatic assembly process to semi-manufactured goods, upper cover, the magnetism of loudspeaker return, effectively promoted packaging efficiency, equipment precision and equipment quality uniformity, whole production line operation alone can, reduced the human cost, be favorable to the mass production of loudspeaker.

Description

Loudspeaker assembling production line

Technical Field

The utility model belongs to the technical field of loudspeaker equipment technique and specifically relates to indicate a loudspeaker assembly production line.

Background

A speaker (also called a speaker) is used for converting an electrical signal into an audio signal and then playing the audio signal, and is widely used in human life, for example: home, office, vehicle-mounted applications, and the like. In the conventional technology, most processes of the loudspeaker need manual operation, the whole process needs multi-person operation to meet full-line balanced production, the consumed labor cost is high, the manual operation efficiency is low, the operation quality depends on the higher technical requirement on operators, therefore, the assembly quality can be different along with different proficiency of different technicians, and the consistency of the assembly quality is difficult to guarantee.

Later, some automation equipment has slowly appeared and is used for cooperating the equipment loudspeaker, but, still needs manual operation in the linking between equipment, and equipment scatter arranges in the workshop, and every equipment all needs the special messenger to monitor, leads to whole degree of automation not high, and production efficiency still receives the limitation.

Therefore, a new technical solution needs to be developed to solve the above problems.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model discloses to the disappearance that prior art exists, its main objective provides a loudspeaker assembly line, and it realizes the automatic assembly process to semi-manufactured goods, upper cover, the magnetism of loudspeaker, has effectively promoted packaging efficiency, equipment precision and equipment quality uniformity, and the whole production line operation alone can, has reduced the human cost, is favorable to the mass production of loudspeaker.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a loudspeaker assembly production line comprises an inward-looking inspection device, a super-welding device, a magnetic return assembly coating device and an engraving magnetizing device which are arranged according to a process sequence; wherein:

the inward-looking inspection equipment is provided with a semi-finished product feeding mechanism, a CCD inspection mechanism and a manual inspection station;

the ultra-welding fusion equipment is provided with a semi-finished product transfer mechanism, an upper cover feeding mechanism, an upper cover positioning and assembling mechanism, an ultrasonic fusion mechanism and a product height inspection mechanism which are connected with the output end of the inward-looking inspection equipment in a linking manner;

the magnetic return assembly coating equipment is provided with a magnetic return pressing mechanism, a magnetic return dispensing mechanism and a coating inspection mechanism, wherein the input side of the magnetic return pressing mechanism is connected with a magnetic return transferring and inputting mechanism, and the input side of the magnetic return pressing mechanism is connected with the output end of the super-welding equipment; the magnetic return assembly coating equipment is provided with a drying furnace;

and the engraving and magnetizing equipment is provided with an engraving mechanism, a magnetizing mechanism and a magnetizing inspection mechanism.

Compared with the prior art, the utility model obvious advantage and beneficial effect have, particularly, can know by above-mentioned technical scheme, it is mainly through interior check out test set, super weld butt fusion equipment, the setting of magnetism returns equipment coating equipment and stamp mark equipment of magnetizing, the semi-manufactured goods to loudspeaker have been realized, the upper cover, the automatic equipment process of magnetism returns, semi-manufactured goods, the upper cover, the material loading of magnetism returns, the upper cover welds and bad detection with the equipment of semi-manufactured goods, magnetism returns equipment point and coating detection, stamp mark, magnetize, all accomplish continuity automation mechanized operations on the production line such as magnetism inspection, effectively promoted packaging efficiency, equipment precision and equipment quality uniformity, whole production line operation alone can, the human cost is reduced, be favorable to the mass production of loudspeaker.

To more clearly illustrate the structural features and technical means of the present invention and the specific objects and functions achieved thereby, the present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

Drawings

Fig. 1 is a front view of a speaker assembling line according to an embodiment of the present invention;

FIG. 2 is a top view of a speaker assembly line according to an embodiment of the present invention;

FIG. 3 is a schematic view of a full layout of a speaker assembly line according to an embodiment of the present invention;

FIG. 4 is a schematic assembly flow diagram (illustrating a product change state) according to an embodiment of the present invention;

FIG. 5 is a top view of an inward viewing inspection apparatus according to an embodiment of the present invention;

FIG. 6 is a diagram of another design of an inward vision inspection apparatus according to an embodiment of the present invention;

FIG. 7 is a view illustrating a turret station of the structure shown in FIG. 6;

FIG. 8 is a top view of a super weld fusion apparatus in accordance with an embodiment of the present invention;

FIG. 9 is a partial view of the cover positioning assembly mechanism of the desoldering fusion bonding apparatus;

FIG. 10 is a perspective view of a transfer mechanism for a work in process of the overbonding fusion apparatus;

FIG. 11 is another perspective view of the intermediate product transfer mechanism of the overseam fusion apparatus;

FIG. 12 is a partial configuration view of a half product transfer mechanism of the super weld fusion apparatus;

FIG. 13 is a perspective view of a lid loading mechanism of the desoldering fusion bonding apparatus;

FIG. 14 is a partial schematic view of a cover loading mechanism of the desoldering fusion bonding apparatus;

FIG. 15 is another partial structural view of a cover loading mechanism of the desoldering fusion bonding apparatus;

fig. 16 is a top view of a magnetic return assembly coating apparatus according to an embodiment of the present invention;

fig. 17 is a perspective view of the automatic transfer mechanism according to the embodiment of the present invention;

FIG. 18 is an enlarged fragmentary view of FIG. 17;

fig. 19 is a front view (partially shown) of the automatic transfer mechanism according to the embodiment of the present invention;

fig. 20 is a perspective view of the double-deck extending mechanism of the automatic carrying mechanism according to the embodiment of the present invention;

fig. 21 is a top view of an imprint magnetizing apparatus according to an embodiment of the present invention.

Detailed Description

Fig. 1 to 21 show specific structures of embodiments of the present invention.

A loudspeaker assembly production line comprises an inward-looking inspection device 1, a super-welding device 2, a magnetic return assembly coating device 3 and an engraving and magnetizing device 4 which are arranged according to a process sequence; wherein: the inward vision inspection equipment 1 is provided with a semi-finished product feeding mechanism 101, a CCD inspection mechanism 11 and a manual inspection station 12; the super welding fusion device 2 is provided with a semi-finished product transfer mechanism, an upper cover feeding mechanism, an upper cover positioning and assembling mechanism, an ultrasonic fusion mechanism and a product height inspection mechanism which are connected with the output end of the inward vision inspection device 1; the magnetic return assembly coating equipment 3 is provided with a magnetic return pressing mechanism, a magnetic return dispensing mechanism and a coating inspection mechanism, wherein the input side of the magnetic return pressing mechanism is linked with a magnetic return transferring and inputting mechanism, and the input side of the magnetic return pressing mechanism is linked with the output end of the super-welding fusion equipment 2; the magnetic return assembly coating equipment 3 is provided with a drying furnace; and the engraving magnetizing device 4 is provided with an engraving mechanism, a magnetizing mechanism and a magnetizing inspection mechanism. The automatic assembling process of the semi-product, the upper cover and the magnetic circuit of the loudspeaker is realized through the arrangement of the internal vision inspection equipment 1, the super welding and welding equipment 2, the magnetic circuit assembling and coating equipment 3 and the engraving and magnetizing equipment 4, and the continuous automatic operation of the semi-product, the upper cover, the magnetic circuit feeding, the assembly welding and the poor detection of the upper cover and the semi-product, the magnetic circuit assembling and dispensing and coating detection, the engraving, the magnetizing inspection and the like is completed on a production line.

In consideration of the conveying continuity of the production line, a circulating conveying jig is adopted to flow back along a closed-loop conveying mechanism, in the embodiment, an upper-layer jig conveying mechanism and a lower-layer jig backflow mechanism are arranged along the inward-looking inspection equipment 1, the super-welding and welding equipment 2, the magnetic return assembly coating equipment 3 and the engraving and magnetizing equipment 4, a jig lifting mechanism is arranged at the input side of the inward-looking inspection equipment 1, a jig descending mechanism is arranged at the output side of the engraving and magnetizing equipment 4, and the jig lifting mechanism and the jig descending mechanism are respectively connected to the corresponding end parts of the upper-layer jig conveying mechanism and the lower-layer jig backflow mechanism.

Specifically, the method comprises the following steps:

as shown in fig. 1 to 4, the production line composed of the internal inspection apparatus 1, the super-welding and welding apparatus 2, the magnetic return assembly coating apparatus 3, and the imprinting and magnetizing apparatus 4 mainly refers to the latter half of the horn production line, and the input side of the internal inspection apparatus 1 is connected to the former half of the horn production line, which is used for manufacturing and obtaining the three parts of the semi-finished product, the magnetic return and the upper cover material loading. On the output side of the rear half production line, the products are loaded by the tray, enter the reflow oven 5 for aging, and then enter the inspection section. On the second half production line, the following processes are sequentially carried out according to the process sequence: the product is transferred from the front half section to the rear half section, the CCD internal inspection, the manual internal inspection, the cover input, the ultrasonic fusion, the product returns to the conveying jig of the upper jig conveying mechanism, the magnetic return input, the coating (a standby coating link can be set), the coating inspection, the typesetting and the NG taking-out (the product needs to enter a drying furnace in a tray form and is also referred to as an oven), the whole plate transfer, the dried product input, the laser engraving and the engraving product are transferred to the conveying jig of the upper jig conveying mechanism, the product is automatically magnetized, the typesetting and enters a reflow furnace 5, a tray reflows to the typesetting position in an empty tray form at the output side of the reflow furnace 5, and the product aged in the reflow furnace 5 is transferred to the inspection engineering in a whole plate form.

As shown in fig. 5, the CCD inspection mechanism is provided with a CCD inspection station located on the upper jig conveying mechanism, which performs CCD inspection on the front side of the product, then turns over the product by the turning mechanism, then performs CCD inspection on the back side of the product, then turns over the product to the front side and conveys the product to the manual inspection station along the upper jig conveying mechanism on the conveying jig;

as shown in fig. 6 and 7, which show another design of the inward vision inspection apparatus 1; the CCD checking mechanism of the inward-looking checking device 1 comprises a CCD checking rotary disc and a plurality of first rotary disc jigs which are circumferentially arranged on the CCD checking rotary disc at intervals, and each first rotary disc jig is provided with two product grades; a CCD checking feeding station, a CCD checking station, a first product front and back overturning and shifting station and a second product front and back overturning and shifting station are arranged around the CCD checking turntable at intervals; the CCD checking and feeding station is connected with the semi-product feeding mechanism, the CCD checking station is provided with a CCD, the first product front and back overturning and shifting station is provided with a first overturning and shifting manipulator for overturning the front and back of the product and shifting the product from one product on the first rotary disc jig to another product grade, and the second product front and back overturning and shifting station is provided with a second overturning and shifting manipulator for overturning the front and back of the product and shifting the product from the first rotary disc jig to the conveying jig of the upper-layer jig conveying mechanism.

The input side of the inward viewing inspection apparatus 1 is a first half section process of a docking horn, as shown in fig. 3, specifically, a first half section production line for manufacturing and obtaining three parts of an upper cover, a semi-finished product and a magnetic return, which may include three small production lines, namely: respectively for making or/and assembling and/or conveying the semi-finished product, the upper cover and the magnetic return. While the input side of the inward vision inspection apparatus 1 is a small production line of butted semi-manufactured products. The conveying jig ascends from the input side of the inward vision inspection equipment 1 and flows back to the upper jig conveying mechanism. The semi-product feeding mechanism takes out a semi-product (specifically, the semi-product on the semi-front-section conveying belt) and puts the semi-product on a first rotary disc jig corresponding to a CCD checking and feeding station, as shown in FIG. 7, if the initial placing position is a first position, when the first rotary disc jig rotates to the CCD checking station along with the CCD checking rotary disc, the placing position of the semi-product is a second position, when the first rotary disc jig rotates to a second product front and back overturning and shifting station, the placing position of the semi-product is a third position, when the first product front and back overturning and shifting station rotates, the placing position of the semi-product is a fourth position, the first overturning and shifting manipulator overturns the product front and back and shifts the product from the fourth position to a fifth position, and then rotates to the initial placing position, at this time, the semi-product feeding mechanism takes out the semi-product (specifically, the semi-product on the semi-front-section conveying belt) and puts the semi-product on the first rotary disc jig corresponding to the CCD checking and feeding station, the semi-finished product at the position sixthly is continuously transferred to a CCD inspection station and is positioned at the position seventhly, the CCD is provided with a driving mechanism such as an air cylinder for driving the CCD to move, so that the semi-finished product at the front side and the semi-finished product at the back side on the first rotating disc jig can be respectively inspected, and the semi-finished product at the position seventhly at the moment is equivalent to the inspection of the front side and the back side; when the second product is rotated to the station for turning over the front and back sides and shifting the second product again, the placing position of the semi-finished product at the position of the semi-the position of the semi-finished product of the position. During actual design, a defective product removing mechanism can be configured on the outer side of the upper-layer jig conveying mechanism, if the defective product is the defective product, the defective product subjected to single-side inspection or double-side inspection is directly turned over from the front side and the back side of the second product and is moved to the defective product removing mechanism from the shifting station by the second turning and shifting manipulator, and the defective product can be directly transferred without being turned over.

The mode of combining the CCD checking mechanism with manual checking is adopted, generally, at least more than half of checking items are finished by the CCD checking mechanism, and the CCD checking mechanism shares part or most of items of manual checking in the traditional technology, so that the manual fatigue is reduced, and the efficiency is improved. The manual inspection station is generally provided with a display and an electronic magnifier, an operator takes out a product from the upper-layer jig conveying mechanism, and the product is placed on the upper-layer jig conveying mechanism and flows to the next station after the inspection is finished by the electronic magnifier; placing the defective products which are manually checked into a defective product collecting area. Preferably, in the CCD inspection step, the semi-finished product is inspected for processing quality, and the semi-finished product having the foreign matter or stain on the surface is also inspected, and if the semi-finished product having the foreign matter or stain on the surface is also directly discharged, the foreign matter or stain is removed by an automatic off-line manual separate treatment.

As shown in fig. 8 to 15, the super welding apparatus 2 further includes a super welding turntable 202, and a plurality of second turntable jigs arranged on the super welding turntable 202 at intervals in the circumferential direction; a super-welding feeding station 21, an upper cover positioning and assembling station 22, an ultrasonic welding station 23, a product air suction and dust removal station 24, a product height inspection station 25 and a turntable jig cleaning station 26 are arranged around the super-welding turntable 202 at intervals; the semi-finished product transfer mechanism 201 is connected between the output end of the inward-looking inspection equipment 1 and the ultra-welding fusion feeding station 21, the upper cover positioning and assembling mechanism 203 is arranged corresponding to the upper cover positioning and assembling station 22, the ultrasonic fusion mechanism is arranged corresponding to the ultrasonic fusion station 23, the product air-suction and dust-removal station 24 is provided with an air-suction and dust-removal mechanism, the product height inspection mechanism is arranged corresponding to the product height inspection station 25, and the turntable jig cleaning station 26 is provided with a turntable jig cleaning mechanism; and a product overturning and transferring mechanism 204 is further arranged to move the qualified products from the product height inspection station 25 back to the conveying jig of the upper jig conveying mechanism 6.

As shown in fig. 8, similarly, a defect elimination mechanism 205 may be disposed outside the upper jig conveying mechanism, and if a defective product is found, the defective product may be directly transferred from the product height inspection station to the defect elimination mechanism 205 by the product reversing and transferring mechanism 204, and the defective product may be directly transferred without being reversed.

As shown in fig. 9, the upper cover positioning and assembling mechanism comprises an upper cover conveying coarse positioning mechanism, an upper cover fine positioning and cleaning and direction judging mechanism, a coarse positioning manipulator and a fine positioning manipulator, the rough positioning manipulator and the fine positioning manipulator preferably share the drive synchronous displacement action, the rough positioning manipulator moves the upper cover from the upper cover feeding mechanism to the upper cover conveying rough positioning mechanism, the upper cover after rough positioning is carried out, and then the upper cover is sent to the upper cover fine positioning and cleaning and direction judging mechanism for secondary positioning, meanwhile, the upper cover cleaning mechanism cleans the upper cover, the upper cover direction judging mechanism detects and judges the upper cover, and transferring the upper cover with the non-aligned direction into the upper cover direction bad placement box by the fine positioning manipulator, and transferring the qualified product to an upper cover positioning assembly station of the super-welding turntable by the fine positioning manipulator.

As shown in fig. 10 and 12, the semi-manufactured product transfer mechanism is a multi-functional clamping jaw mechanism, which includes a base frame 1011, a transfer board 1012 mounted on the base frame 1011 in an X-axis displacement manner, a turning robot 1013 mounted on the transfer board 1012 in a Z-axis displacement manner, and a direction adjustment robot 1014; the overturning manipulator 1013 and the direction adjusting manipulator 1014 are arranged along the X-axis direction at intervals; the base frame 1011 is connected with a product placing table 1015, and the turnover manipulator 1013 is provided with a turnover cylinder 1016 so that the turnover manipulator 1013 clamps a product and turns over the front and back of the product; the material detection sensor 1017 for detecting the direction of the product is arranged on the moving plate 1012, and the direction adjusting manipulator 1014 is provided with a horizontal rotating motor 1018, so that the direction adjusting manipulator 1014 can correct the horizontal rotating angle of the product after clamping the product. Here, the transfer plate 1012 is provided with a U-shaped frame 1019, two side walls of which are respectively located at two sides of the direction adjustment manipulator 1014, and the direction adjustment manipulator 1014 can move in the Z-axis direction in an area between the two side walls; the clamping jaw mechanism has the functions of overturning the front side and the back side of a product, detecting and correcting the direction, transferring the product and the like, simplifies the mechanism structure, is more suitable for being applied to automatic equipment, and has strong practicability.

The inverting robot 1013 and the direction adjustment robot 1014 each employ a Z-axis driving device, such as an air cylinder, which is independent of each other. The transfer plate 1012 is controlled by an electric cylinder to be displaceable in the X-axis direction.

The turnover manipulator 1013 is provided with two opposite clamping jaws and a clamping jaw air cylinder for controlling the clamping jaws to open and close, and the turnover air cylinder 1016 controls the clamping jaw air cylinder and the clamping jaws to turn over together.

The direction adjusting manipulator 1014 adopts a four-claw cylinder to control the clamping and opening, and a horizontal rotation motor 1018 thereof is installed at the upper end of the direction adjusting manipulator 1014 to drive the same to rotate horizontally. The direction adjustment robot 1014 has a blanking prepressing plate 1022 and an elastic member 1020 (e.g., a compression spring extending vertically) that provides the blanking prepressing plate 1022 with a downward prepressing force, the lower end of the elastic member 1020 acts on the blanking prepressing plate 1022, and the upper end of the elastic member 1020 is fixed in relative position so that the blanking prepressing plate 1022 can be displaced in a floating manner up and down. Here, the blanking prepressing plate 1022 is provided with a yielding hole, the claw parts of the four-claw cylinder penetrate through the yielding hole to be used for clamping the periphery of a product, and the bottom of the blanking prepressing plate 1022 is provided with four prepressing convex parts 1021 in a downward protruding mode and used for abutting against the top ends of four corner positions of the product. When the direction adjusting manipulator 1014 lowers to enable the blanking prepressing plate 1022 to abut against the top ends of four angular positions of a product to generate certain prepressing force when the claws take the product, then the four claws are folded inwards to clamp the periphery of the product, after the direction detection and the direction correction of the product are completed, the direction adjusting manipulator 1014 transfers the product to a second turntable jig on a super-welding turntable corresponding to a super-welding material loading station, after the claws of the four-claw cylinder are opened, the blanking prepressing plate 1022 abuts against and pushes the product downwards to realize accurate and quick blanking, and compared with a mode of completely depending on the self-weight of the product, the product is placed into the second turntable jig by virtue of the downward prepressing force of the blanking prepressing plate 1022, so that the alignment and the positioning accuracy are easier to ensure.

As shown in fig. 13 to 15, the super welding apparatus 2 is provided with a tray loading and unloading mechanism 211 corresponding to the upper cover loading mechanism, and the tray may be a plastic sucking tray for mounting the upper cover; feed bin 212 and empty tray feed bin 213 under the tray on the tray, feed bin 212 and empty tray feed bin 213 all adopt feed bin emergency exit 214 under full tray goes up feed bin 212 and the empty tray, the feed bin emergency exit sets up in feed bin 212 and empty tray feed bin 213's front side on full tray, uses the push-and-pull door mode, can be convenient for get the blowing, can guarantee again that multilayer blowing dish does not incline. The full-tray loading bin 212 includes a loading supporting base plate 215 and a tray loading driving device for controlling the loading supporting base plate 215Z to move up and down in the axial direction, and the empty-tray unloading bin 213 includes an unloading supporting base plate 216 and a tray unloading driving device for controlling the unloading supporting base plate 216Z to move up and down in the axial direction.

Full tray feed bin 212 and empty tray feed bin 213's top is just to link up through the horizontal groove, the both sides in horizontal groove are provided with respectively and divide flitch 217, control to divide flitch 217 to be close to or the branch material drive arrangement 218 of keeping away from toward outer translation toward interior translation, divide flitch 217 to have upper plate, hypoplastron and be located the guide way 219 between upper plate, the hypoplastron, make the tray easily separate through separating the bump between the adjacent tray that piles up from top to bottom, for example: the tray has the roof and down extends from the roof periphery week lateral wall, and the product is placed the position and is formed at the roof, and the lateral wall of tray is toward the protruding separation bump that is equipped with in week, so, the separation bump of upper tray is subject to the roof of lower floor's tray, and simultaneously, the lower extreme of week lateral wall is toward the outside turn-ups that extends, and the turn-ups of adjacent tray keeps the clearance. When the full tray is loaded in the loading bin 212, the loading support bottom plate 215 raises the full tray to a set height (corresponding to the position of the material distribution plate), the material distribution driving device 218 controls the material distribution plate 217 to move inwards to approach, the upper plate and the lower plate of the material distribution plate are respectively positioned at the upper side and the lower side of the flanging, and the flanging is positioned in the guide groove. When the products on the full tray are all moved onto the upper cover conveying track by the upper cover feeding mechanical arm, the full tray is changed into an empty tray; the top empty tray of the full tray loading bin 213 is translated to the area of the empty tray unloading bin 213 along the guide groove 219 by the set tray horizontal moving shifting block 221, then the material distributing driving device 218 controls the material distributing plate 217 to translate outwards and move away, the support of the empty tray is released, and the empty tray automatically falls to the unloading support bottom plate 216 of the empty tray unloading bin 213. Generally, the initial position of the lower support floor 216 of the empty tray discharge bin 213 is at the top, and the lower support floor 216 is gradually lowered as the empty trays are continuously discharged and stacked. The tray horizontal movement shifting block 221 is driven by a tray horizontal movement driving device 222. Through the setting of feed bin 213 under feed bin 212, the empty tray on full tray, can realize continuous, not shut down last unloading action, the independent separation of topmost layer tray supports, and the guide way that the flitch set up is divided in the ingenious utilization has improved the smooth and easy nature of action when empty tray translation, has improved the last unloading mechanism automatic operation stability of tray, simultaneously, its simple structure.

Preferably, in order to further improve the translational stability of the empty tray, pre-positioning grooves are formed in two sides of the top of the tray, a tray pre-positioning block 220 is arranged above the material distribution plate 217, the tray pre-positioning block 220 and the material distribution plate 217 can share the material distribution driving device 218, and when the material distribution plate 217 is used for separately supporting the top-layer tray, the tray pre-positioning block 220 is correspondingly limited in the pre-positioning grooves in the top of the tray, so that the stability of the tray is improved.

In this embodiment, the product height inspection mechanism adopts a 4+1 mode for measurement, that is: and taking the relative ratio of 4 detection angle points and 1 reference point by 4 measurement points and 1 reference point to detect the assembly height/assembly position of the upper cover.

As shown in fig. 16, in conjunction with fig. 8; the magnetic return transfer and input mechanism is arranged at the output end of the super-welding fusion equipment 2 and is provided with a magnetic return centering transposition 2001 and a magnetic return cleaning and positioning mechanism 2002, the magnetic return is transferred from the magnetic return centering transposition 2001 to the magnetic return cleaning and positioning mechanism 2002 by arranging a first magnetic return transfer mechanism 2003 to clean and position the magnetic return, a second magnetic return transfer mechanism 2004 is arranged to transfer the cleaned and positioned magnetic return to a magnetic return assembly station 2005 on the upper jig conveying mechanism, and when the product is transferred to the magnetic return assembly station 2005 along with the upper jig conveying mechanism, the jig positioning mechanism positions the conveying jig and the product, and the magnetic return is assembled on the product. Preferably, the first and second magnetic

return transfer mechanisms

2003, 2004 are designed as a double-head magnetic return transfer mechanism, that is: both of them share the driving synchronous displacement action.

The upper layer jig conveying mechanism corresponding to the magnetic return assembly coating equipment 3 is provided with a magnetic return pressing station 2006, a magnetic return dispensing station 2007 and a coating inspection station 2008; the magnetic return pressing mechanism is arranged corresponding to the magnetic return pressing station; and the magnetic return assembly is carried to a magnetic return pressing station along the upper jig conveying mechanism after being assembled on the product, and the magnetic return pressing mechanism presses the magnetic return to ensure that the assembly is in place. The magnetic return dispensing mechanism comprises a dispensing controller 2009, a three-axis dispensing mechanism 2010 and a needle head cleaning mechanism configured for a dispensing needle head of the three-axis dispensing mechanism 2010; the coating inspection mechanism adopts a CCD which is arranged corresponding to the coating inspection station. A 200W black and white CCD may be selected. Defective products are discharged, qualified products inspected by the coating CCD are arranged and placed in a (e.g., metal) tray by a manipulator 2011 (usually driven by three shafts)), and the entire plate is transferred to a tray upper furnace position 2013 by a horizontal four-shaft robot 2012 (driven by XYZ and horizontal rotation), and then automatically transferred to a drying box a to be placed layer by layer. After drying, the horizontal four-axis robot transfers the whole plate to the input end of the engraving and magnetizing equipment 4.

As shown in fig. 17 to 20, an automatic carrying mechanism is illustrated for transferring the whole board into the drying box and placing the whole board layer by layer; the conveying device comprises a conveying lifting base 71, a conveying lifting driving device for controlling the lifting of the conveying lifting base 71 along the Z direction, and a conveying arm 72 arranged on the conveying lifting base, wherein the conveying arm 72 is in driving connection with the conveying lifting base 71 through a telescopic mechanism, the telescopic mechanism comprises a first layer moving part 73 and a second layer moving part 74 which can respectively move horizontally in the same direction, the first layer moving part 73 is arranged on the conveying lifting base 71 and can horizontally move (for example, translate along the X axial direction) relative to the conveying lifting base 71, the second layer moving part 74 is arranged on the first layer moving part 73 and can horizontally move (for example, translate along the X axial direction) relative to the first layer moving part 73, and the conveying arm 72 is arranged on the second layer moving part 74, so that the moving distance and the speed of the conveying arm 74 are increased to two times, when not carrying the use, practice thrift the space. In practical design, the moving part can be set to be more than two layers, that is, if the carrying arm is set to be installed slidably along the axial direction of the moving part X on the second layer, it can also be equivalent to a three-layer moving part, and the moving distance and speed can be increased to three times in the same time.

The first layer moving part 73 and the second layer moving part 74 are driven by the same motor 76; a fixed transverse plate 75 is connected to the conveying lifting base 71, and an avoidance groove 751 extending in the X axial direction is formed in the fixed transverse plate 75; the motor 76 is arranged at the lower side of the first-layer moving part 73 and is positioned at the lower side of the fixed transverse plate 75, the first-layer moving part 73 is positioned above the fixed transverse plate 75, and the motor 76 and the first-layer moving part 73 are connected into a whole through a connecting part and passing through the avoiding groove. The motor 76 is connected with a coaxial double transmission wheel 77 in the Y-axis direction in a driving manner, a transmission wheel of the coaxial double transmission wheel 77 is connected with two Y-axis transmission wheels 79 arranged on the first-layer motion part 73 at intervals along the X-axis direction through an annular synchronous belt 78, and the second-layer motion part 74 is connected with the annular synchronous belt 78 through a clamping mechanism and correspondingly moves in an X-axis area between the two Y-axis transmission wheels 79 in a reciprocating manner; a synchronous belt section 752 extending in the X-axis direction is fixed on the fixed transverse plate 75, two ends of the synchronous belt section 752 are fixed on the fixed transverse plate 75, and the other transmission wheel of the coaxial double transmission wheel 77 is meshed with the synchronous belt section 752; thus, when the motor 76 is operated, the coaxial dual transmission wheel 77 rotates therewith, and the motor 76 and the first-layer moving portion 73 are axially displaced along the synchronous belt segment 752X by the other transmission wheel of the coaxial dual transmission wheel 77, and at the same time, the second-layer moving portion 74 is axially displaced along with the endless synchronous belt 78X.

Preferably, the coaxial double drive wheels 77 are of the same size, so that when the motor 76 rotates at a certain speed, the handling arm translates at 2 times the speed. Of course, if the coaxial double transmission wheels 77 are not equal in size, the translation speeds of the first floor moving portion 73 and the second floor moving portion 74 are different, and the translation speed of the transfer arm 72 is the sum of the translation speeds of the first floor moving portion 73 and the second floor moving portion 74.

As shown in fig. 21, the imprint magnetizing apparatus 4 is further provided with an imprint turntable 401, and a plurality of third turntable jigs arranged on the imprint turntable 401 at intervals in the circumferential direction; an engraving feeding station 402, an engraving station 403, an engraving checking station 404 and an engraving discharging station 405 are arranged around the engraving turntable 401 at intervals; the engraving feeding station 402 is provided with an engraving turntable feeding and transferring three-axis mechanism 406 and an engraving turntable feeding and positioning and overturning mechanism 407, the engraving mechanism is arranged corresponding to the engraving station 403, the engraving inspection station 404 is provided with an engraving inspection mechanism, and the engraving discharging station 405 is provided with an engraving turntable discharging and transferring three-axis mechanism 408 to move a product from the engraving discharging station 405 to an upper jig conveying mechanism;

the upper jig conveying mechanism corresponding to the marking and magnetizing device 4 is sequentially provided with a magnetizing station 409, a magnetizing inspection station 410 and a product positioning and overturning station 411, the magnetizing mechanism and the magnetizing inspection mechanism are respectively arranged corresponding to the magnetizing station 409 and the magnetizing inspection station 410, the magnetizing mechanism is provided with a power source 413, and the product positioning and overturning station 411 is provided with a product positioning and overturning mechanism. The three-axis mechanism 412 for moving the product loading tray moves the product on the conveying jig to the tray, the empty tray is conveyed to the output end of the engraving and magnetizing device 4 by the empty tray conveying mechanism, after the tray is filled with enough products, the whole tray is conveyed into the reflow oven 5, and the retention time and temperature in the reflow oven 5 can be set according to the requirement, for example, the maximum temperature is 250 ℃ and the duration is 5 minutes. The empty conveying jig is conveyed to the lower jig backflow mechanism by the jig descending mechanism at the output side of the engraving magnetizing equipment 4 for jig backflow.

Generally, the output end of the engraving and magnetizing device 4 is connected with a reflow oven 5 for aging, the output end of the engraving and magnetizing device 4 is provided with a first product blanking mechanism and an empty tray conveying mechanism, products enter the oven from a feeding position of the reflow oven 5 along with the tray, when reaching a discharging position of the reflow oven 5, the products are blanked from the tray by a second product blanking mechanism, and the empty tray flows back to the empty tray conveying mechanism.

Next, a horn assembling method is introduced, which includes the following assembling steps:

the method comprises the following steps: preparing a semi-finished product, an upper cover and a magnetic return;

step two: performing inward inspection on the semi-finished product, automatically inspecting part of items by using a CCD (charge coupled device), and manually inspecting other items after inspecting qualified products;

step three: automatically feeding qualified products subjected to CCD automatic inspection and manual inspection into a super-welding fusion device 2, simultaneously automatically feeding an upper cover into the super-welding fusion device 2, positioning and assembling the upper cover and performing ultrasonic fusion on the semi-finished product, and inspecting the height of the product;

step four: the magnetic return is automatically fed into the magnetic return device and assembled and positioned with qualified products after the height inspection of the products, and then the magnetic return device is pressed and positioned by a magnetic return pressing mechanism, and then magnetic return dispensing and coating inspection are carried out; the qualified products of coating inspection enter a drying furnace;

step five: the dried product is automatically sent into the engraving and magnetizing equipment 4, and the engraving, magnetizing and magnetizing inspection are automatically carried out in sequence.

The second step, the third step, the fourth step, the fifth step, the sixth step, the fifth step, the fourth step, the fifth step, the fourth step, the fifth step, the fourth step, the fifth step, the fourth step, and the fourth step, the fifth step, the fourth step, and the fifth step, the fourth step;

the method also comprises the following steps: qualified products inspected by the engraving and magnetizing equipment 4 are automatically taken from the conveying jig and placed into the tray, the unloaded conveying jig is conveyed to the lower-layer jig backflow mechanism through the jig descending mechanism, a plurality of products are placed in the tray and automatically conveyed into the backflow furnace 5, the products are automatically discharged from the tray to the next link at the output end of the backflow furnace 5, and the empty tray automatically flows back to the output side of the engraving and magnetizing equipment 4 or the input side of the backflow furnace 5.

It should be noted that, the structural and functional descriptions, the assembling method, etc. of the horn assembling production line can be combined and applied to the assembling steps of the horn assembling method as required.

To sum up, the utility model discloses a design focus lies in, it mainly is through interior inspection equipment, surpass welds the butt fusion equipment, magnetism returns the setting of equipment coating equipment and stamp equipment of magnetizing, realized the semi-manufactured goods to loudspeaker, the upper cover, the automatic assembly process of magnetism returns, semi-manufactured goods, the upper cover, the material loading of magnetism returns, the upper cover welds and bad detection with the equipment of semi-manufactured goods, magnetism returns the equipment point and the coating detects, stamp, magnetize, all accomplish continuity automation mechanized operations on the production line such as inspection of magnetizing, effectively promoted packaging efficiency, equipment precision and equipment quality uniformity, whole production line operation alone can, the human cost is reduced, be favorable to the mass production of loudspeaker.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so that any slight modifications, equivalent changes and modifications made by the technical spirit of the present invention to the above embodiments are all within the scope of the technical solution of the present invention.

Claims

1. The utility model provides a loudspeaker assembly line which characterized in that: comprises an inner-view inspection device, a super-welding fusion device, a magnetic return assembly coating device and an engraving magnetizing device which are arranged according to the process sequence; wherein:

2. The horn assembly line of claim 1, wherein: the jig lifting mechanism and the jig descending mechanism are respectively connected with the corresponding end parts of the upper-layer jig conveying mechanism and the lower-layer jig refluxing mechanism.

3. The horn assembly line of claim 1, wherein: the output end of the engraving and magnetizing equipment is connected with a reflow oven, the output end of the engraving and magnetizing equipment is provided with a first product blanking mechanism and an empty tray conveying mechanism, products enter the oven from a feeding position of the reflow oven along with the trays, when the products reach a discharging position of the reflow oven, the products are blanked from the trays by a second product blanking mechanism, and the empty trays flow back to the empty tray conveying mechanism.

4. The horn assembly line of claim 2, wherein:

the CCD inspection mechanism is provided with a CCD inspection station positioned on the upper-layer jig conveying mechanism, performs CCD inspection on the front side of the product, overturns the product through the overturning mechanism, performs CCD inspection on the back side of the product, overturns the product to the front side and conveys the product to the manual inspection station along the upper-layer jig conveying mechanism on the conveying jig;

alternatively, the first and second electrodes may be,

the CCD inspection mechanism of the inward-looking inspection equipment comprises a CCD inspection turntable and a plurality of first turntable jigs which are circumferentially arranged on the CCD inspection turntable at intervals, and each first turntable jig is provided with two product grades; a CCD checking feeding station, a CCD checking station, a first product front and back overturning and shifting station and a second product front and back overturning and shifting station are arranged around the CCD checking turntable at intervals; the CCD checking and feeding station is connected with the semi-product feeding mechanism, the CCD checking station is provided with a CCD, the first product front and back overturning and shifting station is provided with a first overturning and shifting manipulator for overturning the front and back of the product and shifting the product from one product on the first rotary disc jig to another product grade, and the second product front and back overturning and shifting station is provided with a second overturning and shifting manipulator for overturning the front and back of the product and shifting the product from the first rotary disc jig to the conveying jig of the upper-layer jig conveying mechanism.

5. The horn assembly line of claim 1, wherein: the super welding equipment also comprises a super welding turntable, and a plurality of second turntable jigs which are arranged on the super welding turntable at intervals in the circumferential direction; a super-welding feeding station, an upper cover positioning and assembling station, an ultrasonic welding station, a product air suction and dust removal station, a product height inspection station and a turntable jig cleaning station are arranged around the super-welding rotary table at intervals; the semi-product transfer mechanism is connected between the output end of the inward vision inspection equipment and the super-welding fusion feeding station, the upper cover positioning and assembling mechanism is arranged corresponding to the upper cover positioning and assembling station, the ultrasonic fusion mechanism is arranged corresponding to the ultrasonic fusion station, the product air suction and dust removal station is provided with an air suction and dust removal mechanism, the product height inspection mechanism is arranged corresponding to the product height inspection station, and the turntable jig cleaning station is provided with a turntable jig cleaning mechanism;

and the product overturning and transferring mechanism is further arranged to move the qualified products from the product height inspection station back to the conveying jig of the upper jig conveying mechanism.

6. The horn assembly line of claim 5, wherein: the magnetic return transferring and putting mechanism is arranged at the output end of the super-welding fusion welding equipment and is provided with a magnetic return centering transposition and a magnetic return cleaning and positioning mechanism, the magnetic return is transferred to the magnetic return cleaning and positioning mechanism from the magnetic return centering by arranging the first magnetic return transferring mechanism, the magnetic return is cleaned and positioned, the second magnetic return transferring mechanism is arranged for transferring the cleaned and positioned magnetic return to a magnetic return assembling station on the upper jig conveying mechanism, when a product is transferred to the magnetic return assembling station along with the upper jig conveying mechanism, the jig positioning mechanism enables the conveying jig and the product to be positioned, and the magnetic return is assembled on the product.

7. The horn assembly line of claim 1, wherein: the upper-layer jig conveying mechanism corresponding to the magnetic return assembly coating equipment is provided with a magnetic return pressing station, a magnetic return dispensing station and a coating inspection station; the magnetic return pressing mechanism is arranged corresponding to the magnetic return pressing station; the magnetic return dispensing mechanism comprises a dispensing controller, a three-axis dispensing mechanism and a needle head cleaning mechanism configured for a dispensing needle head of the three-axis dispensing mechanism; the coating inspection mechanism adopts a CCD which is arranged corresponding to the coating inspection station.

8. The horn assembly line of claim 1, wherein: the engraving magnetizing equipment is also provided with an engraving turntable, and a plurality of third turntable jigs are circumferentially arranged on the engraving turntable at intervals; an engraving feeding station, an engraving checking station and an engraving discharging station are arranged around the engraving turntable at intervals; the engraving and feeding station is provided with an engraving rotary table feeding and transferring three-axis mechanism and an engraving rotary table feeding and positioning and overturning mechanism, the engraving mechanism is arranged corresponding to the engraving station, the engraving checking station is provided with an engraving checking mechanism, and the engraving and blanking station is provided with an engraving rotary table blanking and transferring three-axis mechanism so as to move a product from an engraving blanking station to an upper jig conveying mechanism;

and the corresponding upper-layer jig conveying mechanism on the engraving and magnetizing equipment is sequentially provided with a magnetizing station, a magnetizing inspection station and a product positioning and overturning station, the magnetizing mechanism and the magnetizing inspection mechanism are respectively arranged corresponding to the magnetizing station and the magnetizing inspection station, and the product positioning and overturning station is provided with a product positioning and overturning mechanism.

9. The horn assembly line of claim 1, wherein: the horn assembly production line is provided with a tray feeding and discharging mechanism, and the tray feeding and discharging mechanism comprises a full tray feeding bin and an empty tray discharging bin which are arranged side by side; the full-tray feeding bin is provided with a feeding supporting bottom plate and a tray feeding driving device for controlling the feeding supporting bottom plate to lift in the Z axial direction, and the empty tray discharging bin is provided with a discharging supporting bottom plate and a tray discharging driving device for controlling the discharging supporting bottom plate to lift in the Z axial direction; the top ends of the full-tray upper bin and the empty-tray lower bin are through and opposite to each other through a horizontal groove, two sides of the horizontal groove are respectively provided with a material distribution plate and a material distribution driving device for controlling the material distribution plate to move inwards to be close to or move outwards to be far away from, and the material distribution plate is provided with an upper plate, a lower plate and a guide groove positioned between the upper plate and the lower plate; when the product on the full tray at the top of the full tray upper bin is taken away to become an empty tray, the empty tray is translated to the empty tray lower bin area along the guide groove through the arranged tray horizontal movement shifting block, then, the material distribution driving device controls the material distribution plate to translate outwards and move away, the support of the empty tray is separated, and the empty tray automatically falls onto the blanking support bottom plate of the empty tray lower bin;

and/or:

the horn assembly production line is applied with a multifunctional clamping jaw mechanism, and the multifunctional clamping jaw mechanism comprises a base frame, a transfer plate which can be arranged on the base frame in an X-axial displacement mode, and a turnover manipulator and a direction adjusting manipulator which can be arranged on the transfer plate in a Z-axial displacement mode; the overturning mechanical arm and the direction adjusting mechanical arm are arranged at intervals along the X axial direction; the base frame is connected with a product placing table, and the overturning manipulator is provided with an overturning cylinder so as to overturn the front and back surfaces of the product after the overturning manipulator clamps the product; the material detection sensor for detecting the direction of the product is arranged on the transfer plate, and the direction adjusting manipulator is provided with a horizontal rotating motor so as to correct the horizontal rotating angle of the product after the direction adjusting manipulator clamps the product;

and/or:

the automatic carrying mechanism is applied to the loudspeaker assembly production line and comprises a carrying lifting base, a carrying lifting driving device for controlling the carrying lifting base to lift along the Z direction and a carrying arm arranged on the carrying lifting base, and the carrying arm and the carrying lifting base are in driving connection through a telescopic mechanism; the telescopic mechanism comprises a first layer moving part and a second layer moving part which can respectively move horizontally in the same direction, the first layer moving part is arranged on the carrying lifting base and can horizontally move in the X-axis direction relative to the carrying lifting base, the second layer moving part is arranged on the first layer moving part and can horizontally move in the X-axis direction relative to the first layer moving part, and the carrying arm is arranged on the second layer moving part.

10. The horn assembly line of claim 3, wherein: the input side of the inward vision inspection equipment is connected with a front half section production line of a loudspeaker, and the front half section production line is used for manufacturing and obtaining a semi-finished product and a magnetic return; and the product is output from the reflow oven and enters an inspection section.