CN111246672A

CN111246672A - Automatic processing and assembling system and method for circuit board products

Info

Publication number: CN111246672A
Application number: CN202010084947.0A
Authority: CN
Inventors: 胡晓莉; 何首文; 黄丽琴
Original assignee: Shanghai Dianji University
Current assignee: Shanghai Dianji University
Priority date: 2020-02-10
Filing date: 2020-02-10
Publication date: 2020-06-05
Anticipated expiration: 2040-02-10
Also published as: CN111246672B

Abstract

The invention relates to an automatic processing and assembling system and method for a circuit board product. The assembly system comprises a central multi-station turntable mechanism, a bottom plate multi-magazine turntable feeding device, an automatic gluing machine, an automatic screw locking machine, a base multi-magazine turntable feeding device, a circuit board pocket magazine material rack feeding device, an element multi-magazine turntable feeding device, an assembly robot and an automatic soldering machine, wherein the bottom plate multi-magazine turntable feeding device, the automatic gluing machine, the automatic screw locking machine, the base multi-magazine turntable feeding device, the circuit board pocket magazine material rack feeding device, the element multi-magazine turntable feeding device, the assembly robot and the. The central multi-station turntable mechanism comprises 4 stations, and each station is provided with a sliding table capable of moving up and down and a rotatable clamping jaw. The invention realizes the transfer and circulation of workpieces at different stations through the central multi-station turntable mechanism, can realize complex processing and assembling processes and continuous and circular automatic operation in a more compact field space, ensures the assembly quality of a circuit board, reduces the labor cost and realizes automatic and efficient production.

Description

Automatic processing and assembling system and method for circuit board products

Technical Field

The invention relates to an automatic processing and assembling system and method for a circuit board product, and belongs to the technical field of automatic feeding, processing and assembling of electronic products.

Background

At present, the processing and assembly of a plurality of electronic products adopt the assembly line mode operation. Many tooling and assembly equipment are deployed in the line and a large number of personnel are arranged on the line to operate and use the equipment to complete the tooling and assembly of the product.

Some materials which can be fed by using a vibrating disk are automatically fed by using a vibrating disk feeder. However, in the face of processing and assembling of irregular and fragile circuit board components, the feeding is still carried out manually. At present, a processing and assembling production line of circuit board products still needs to be equipped with a large number of personnel and various devices to realize the streamlined operation, the production line is long, the occupied area is large, and the quality and the efficiency of the produced products are not high, so the production line automation degree and the production efficiency of the electronic products need to be improved.

Disclosure of Invention

The technical problem to be solved by the invention is to provide an automatic processing and assembling system for circuit board products, which can realize the assembly of circuit board elements, particularly the continuous automatic feeding of a processing and assembling production line containing irregular and easily damaged elements with higher proportion, and the automatic transfer between stations, so that the automation of the production, processing and assembling operation is realized.

In order to solve the problems, the technical scheme adopted by the invention is as follows:

an automatic processing and assembling system for circuit board products comprises a central multi-station turntable mechanism, a bottom plate multi-material box turntable feeding device, an automatic gluing machine, an automatic screw locking machine, a base multi-material box turntable feeding device, a circuit board material hole material box material rack feeding device, an element multi-material box turntable feeding device, an assembling robot, an automatic soldering machine and a control system.

The central multi-station turntable mechanism comprises a No. 1 turntable arranged on a No. 1 divider, the No. 1 turntable is provided with a bottom plate feeding and labeling station, a screw locking station, an assembling station and a soldering station along the rotating direction, each station is provided with a sliding table capable of moving up and down and a rotatable clamping jaw,

the mounting position of the automatic labeling machine corresponds to a bottom plate feeding and labeling station, the bottom plate multi-material box rotary table feeding device is positioned beside the automatic labeling machine, the mounting position of the automatic screw locking machine corresponds to a screw locking station, the base multi-material box rotary table feeding device is mounted beside the automatic screw locking machine, the mounting position of the circuit board material hole material box material rack feeding device corresponds to an assembly station, the element multi-material box rotary table feeding device is mounted beside the circuit board material hole material box material rack feeding device, the mounting position of the assembly robot is close to the element multi-material box rotary table feeding device and the assembly station, the mounting position of the automatic soldering machine corresponds to a soldering station,

all the mechanisms and devices are controlled by a control system.

Further, the bottom plate multi-material-box turntable feeding device comprises a No. 2 divider, a No. 2 turntable fixedly connected to the No. 2 divider and a No. 2 tray fixedly connected to the workbench, wherein the No. 2 turntable is positioned above the No. 2 tray, the No. 2 tray is fixed, the No. 2 turntable is controlled by the divider to rotate, the No. 2 turntable is provided with a plurality of stations along the circumferential direction, each station is provided with a bottom plate material box,

the side surface of the No. 2 tray is provided with a feeding guide groove along the Y direction, a bottom plate feed opening is arranged at the position of the No. 2 tray 25, which is opposite to the feeding guide groove along the Y direction, when the bottom plate material box rotates to the position of the bottom plate feeding guide groove, a bottom plate in the bottom plate material box falls into the feeding guide groove from the bottom plate feed opening,

the feeding guide grooves along the X direction are arranged below the automatic labeling machine and connected with the feeding guide grooves along the Y direction, feeding cylinders are respectively arranged in the two feeding guide grooves, and the feeding guide grooves in the X direction correspond to the bottom plate feeding and labeling stations.

Further, the base multi-material-box turntable feeding device comprises a No. 3 divider, a No. 3 turntable fixedly connected to the No. 3 divider and a No. 3 tray fixedly connected to the workbench, wherein the No. 3 turntable is positioned above the tray, the No. 3 tray is fixed, the No. 3 turntable is controlled by the divider to rotate, the No. 3 turntable is provided with a plurality of stations along the circumferential direction, each station is provided with a base material box, the side surface of the No. 3 tray is provided with a No. 3 feeding guide groove, and a No. 3 feeding cylinder is arranged in the No. 3 feeding guide groove,

no. 3 tray is just to No. 3 give material guide slot departments offer the base feed opening, and when the base material casket was rotatory to give material guide slot top, the base in the base material casket fell into No. 3 from the base feed opening and gives the material guide slot, No. 3 give the material guide slot and lock the screw station corresponding.

Further, the circuit board material hole material box material rack feeding device comprises a material rack and a material box pushing device arranged on the material rack, one end of the material rack close to the assembling station is provided with a servo feeding sliding table and an empty material box pushing device, two opposite inner sides of the material rack are respectively provided with a plurality of ball bearings, the servo feeding sliding table is provided with a servo feeding mechanism, one feeding side of the servo feeding sliding table is provided with a material box station fixing device,

the material box pushing device is used for pushing the circuit board multi-material-hole material box to a servo feeding sliding table station along a ball bearing, the material box station fixing device is used for positioning the circuit board multi-material-hole material box, the servo feeding mechanism is used for pushing the circuit boards in the circuit board multi-material-hole material box to an assembling station, and all the circuit boards in the circuit board multi-material-hole material box are pushed out of the servo feeding sliding table by the empty material box pushing device after being assembled.

Further, the feeding device of the element multi-material-box turntable comprises a No. 4 divider, a No. 4 turntable fixedly connected to the No. 4 divider and a tray fixedly connected to a workbench, wherein the No. 4 turntable is positioned above the No. 4 tray, the No. 4 tray is fixed, the No. 4 turntable is controlled by the divider to rotate, the No. 4 turntable is provided with a plurality of stations along the circumferential direction, each station is provided with an element material box, a No. 4 feeding guide groove is arranged on the side surface of the No. 4 tray, and a No. 4 feeding cylinder is arranged in the No. 4 feeding guide groove,

the No. 4 tray is just right to offer the component feed opening in No. 4 feed guide slots department, and when the component material casket rotated to give the feed guide slot top, the component in the component material casket fell into No. 4 feed guide slots from the component feed opening, No. 4 feed guide slot exit end is installed the component stitch bending device.

Further, install No. 2 correcting unit on No. 2 tray 25, install No. 3 correcting unit on No. 3 trays, install No. 4 correcting unit on No. 4 trays.

Further, No. 2, No. 3 and No. 4 correcting unit's structure is the same, includes respectively that the week along the carousel evenly sets up several triangle breach, the triangle breach is located between the adjacent station, installs the cylinder at the both ends symmetry of tray bottom, and cylinder end portion rigid coupling has the triangle locating piece corresponding anastomotic with preceding triangle breach, the high parallel and level of triangle locating piece and triangle breach, cylinder work when the carousel is every to a station, the triangle locating piece at tray both ends removes and pushes up in the triangle breach to the centre of a circle relatively, and the cylinder drives the triangle locating piece and outwards withdraws from when the carousel rotates.

The invention also discloses an assembly method of the automatic processing and assembly system for the circuit board products, which comprises the following steps:

step 1: loading, namely installing a labeled coil material on a material tray of a labeling machine, adding screws into a screw feeder of an automatic screw locking machine, installing soldering tin wires on a wire tray material rack of the automatic soldering machine, installing a bottom plate, a base and elements in material boxes of respective material box turntable feeding devices, installing a circuit board in material holes of a plurality of material hole material boxes of the circuit board, then installing the material boxes on the material rack, and then starting a control system;

step 2: the bottom plate feeds and labels, the bottom plate multi-material-box turntable feeding device works, the No. 2 turntable rotates, the bottom plate material box rotates to the upper part of the feeding guide groove, the bottom plate falls into the Y-direction feeding guide groove from the bottom plate feed opening, the feeding cylinder in the Y-direction feeding guide groove pushes the bottom plate to enter the X-direction feeding guide groove,

then the feeding cylinder in the feeding guide groove pushes the bottom plate to enter a feeding and labeling station, labeling is finished under the head of the automatic labeling machine in the pushing process, the bottom plate is tightly clamped by a clamping jaw on the station after being pushed in place, the No. 1 turntable turns to the next station,

after the bottom plate in one bottom plate material box is used up, the No. 2 rotating disc rotates, and the next bottom plate material box with the bottom plate stored therein rotates to the position above the feeding guide groove;

and step 3: after the clamping jaw clamps the labeling bottom plate, the No. 1 rotating disc rotates by 90 degrees to a screw locking station, and the clamping jaw rotates by 180 degrees in the rotating process of the No. 1 rotating disc to turn the labeling surface of the labeling bottom plate downwards;

and 4, step 4: the base material box turntable feeding device works, the No. 3 turntable rotates, the base material box is rotated to the position above the feeding and feeding guide groove, the base falls into the No. 3 feeding and feeding guide groove from the base feed opening and is fed below the screw locking station by the No. 3 feeding cylinder,

the assembly screw hole of the base is aligned with the screw hole of the rubberized bottom plate sent by the clamping jaw on the No. 1 turntable, the automatic screw locking machine works to assemble the bottom plate and the base locking screw into a bottom plate base assembly, then the No. 1 turntable rotates by 90 degrees to transfer the bottom plate provided with the base into an assembly station,

when the base in one base material box is used up, the No. 3 rotating disc rotates, the empty base material box is rotated out, and the next base material box is rotated to the position above the feeding guide groove;

and 5: the circuit board material hole material box feeding device works, the material box pushing device sends the circuit board material hole material box on the material box into the servo feeding sliding table, the servo feeding mechanism positions the circuit board in the circuit board material hole material box under the assembling station, and the step 6 is carried out;

after the circuit board is used up, the circuit board material hole material box is pushed out of the sliding table by the empty material box pushing device, the next circuit board material hole material box with the circuit board is pushed into the servo sliding table to be fed in a circulating mode, and the pushed empty material box is placed on the material rack to be fed in a circulating mode after being reloaded with a new circuit board;

step 6: when the element multi-material-box turntable feeding device works, the No. 4 turntable rotates, and the element material box rotates to the position above the feeding guide groove, the element falls into the No. 4 feeding guide groove from the element feed opening and is pushed to the element pin bending device station by the No. 4 feeding cylinder for bending processing,

when the circuit board and the base plate assembly reach the assembly station, starting an assembly robot to grab the element which is processed and bent by the element pin bending device in the element multi-magazine turntable feeding device, inserting the element into an element jack of the base plate assembly, and aligning the element pin with a circuit board assembly welding hole below the assembly station;

and 7: starting a clamping jaw of an assembly station of the No. 1 turntable to move downwards along a station sliding table, so that a clamped bottom plate base assembly moves downwards synchronously along with elements assembled by an assembly robot, inserting element pins into welding holes of a circuit board, clamping the bottom plate base assembly into the circuit board, returning the sliding table and the assembly robot to the original position after the bottom plate base assembly is clamped into the circuit board, and completing the combined assembly of the circuit board, the elements and the bottom plate base assembly;

and 8: the No. 1 turntable 21 rotates 90 degrees and turns to a soldering station, the clamping jaw rotates 180 degrees in the rotation process of the No. 1 turntable to turn over the assembled workpiece to enable the soldering surface of the circuit board to face upwards, and when the workpiece turns to the soldering station, the automatic soldering machine is started to weld pins of assembly elements of the circuit board;

and step 9: after welding is finished, the clamping jaw is loosened, the processed and assembled product is sent into a product box through a guide groove, and after the workpiece is separated from the clamping jaw, the No. 1 turntable rotates 90 degrees and then rotates back to the original bottom plate feeding and labeling station for recycling operation;

step 10: and entering the next working period, and repeating the steps 1 to 9.

Further, No. 1 carousel and No. 2 carousel respectively have 4 and rotate the station, No. 3 carousel and No. 4 carousel have 6 respectively and rotate the station

The assembly method of the invention has the working principle that ① automatic labeling machine bottom plate rubberizing, ② automatic screw locking machine carries out labeling bottom plate and base lock screw assembly, ③ tray loading robot assembles bottom plate, element and circuit board of the assembly base, ④ automatic tin soldering machine welds element pin of the assembled product and circuit board, the system selects a multi-station turntable, sliding table clamping jaws are arranged on the stations to clamp workpiece and transfer the stations, the clamping jaws place the workpiece in the automatic screw locking machine, the assembly robot and the automatic tin soldering machine to complete processing and assembly of each process, and the multi-station turntable, the station sliding table, the clamping jaws, each feeding device, the automatic labeling machine, the automatic screw locking machine, the assembly robot and the automatic tin soldering machine all work according to the setting of a control system.

Compared with the prior art, the invention has the beneficial effects that:

1. the feeding and processing assembly equipment is arranged in each station of the multi-station turntable mechanism, the clamping, rotating and up-and-down movement of the workpiece are realized through the multi-station turntable mechanism, the transfer and circulation of the workpiece at different stations are realized, the complex processing assembly process and the continuous circulating automatic operation can be realized in a compact field space, the manual operation can be replaced in the processing assembly of electronic products, the labor cost is reduced, and the automatic and efficient production is realized. The labor intensity is reduced, the production efficiency is improved, and the occupied space of a production line is saved.

2. In the invention, the base plate multi-material box turntable feeding device, the base multi-material box turntable feeding device, the circuit board material cavity material box material rack feeding device and the element multi-material box turntable feeding device can realize the continuous automatic feeding of electronic product elements, in particular irregular and easily damaged circuit board elements.

3. The original electronic product is processed and assembled by a production line. The production method comprises the following steps of base plate labeling, element pin correction, base installation, assembly screw, part assembly, circuit board welding and the like, 6 processes are required to be arranged, 5-6 persons are arranged in a production line for operation, the original production efficiency is only about 2800 pieces per shift, and the average production efficiency is about 350 pieces per hour. The automatic processing and assembling system for the circuit board products only needs 1 person of management equipment, has the production efficiency and speed of about 5S/piece, can produce 720 pieces per hour, and can produce 5760 pieces per shift. Saves a large amount of manpower, has stable product quality and improves the production efficiency by times.

Drawings

Fig. 1 is a schematic diagram of an automated processing and assembling system for circuit board products according to the present invention.

In the figure: 1-central multi-station turntable mechanism, 2-bottom plate multi-material box turntable feeding device, 3-automatic gluing machine, 4-automatic screw locking machine, 5-base multi-material box turntable feeding device, 6-circuit board material cave material box frame feeding device, 7-element multi-material box turntable feeding device, 8-element assembling robot, 9-automatic soldering machine and 10-control system

Fig. 2 is a schematic structural diagram of a multi-station turntable mechanism according to the present invention.

Fig. 3 is a top view of fig. 2.

Fig. 4 is a schematic structural diagram of a base plate multi-magazine disc feeding device according to the present invention.

Fig. 5 is a top view of fig. 4.

Fig. 6a is an enlarged schematic view at P in fig. 4.

Fig. 6b is a cross-sectional view taken along a-a in fig. 6 a.

Fig. 6c is a schematic view of the bottom plate magazine of fig. 4 falling into the feed chute.

Fig. 6d is a cross-sectional view taken along line B-B in fig. 6 c.

FIG. 7 is a schematic structural view of a base multi-magazine turntable feeding device according to the present invention

Fig. 8 is a top view of fig. 7.

Fig. 9 is a schematic structural view of an automatic labeling machine according to the present invention. In the figure: 30-a material tray of a rubberizing machine, 31-a rubberizing position regulator and 32-a machine head.

Fig. 10 is a schematic structural view of an auto-screwdriving machine according to the present invention. In the figure: 39-Z axis coordinate module, 40-electric screwdriver, 41-screw feeder, 42-frame, 43-X axis coordinate module

Fig. 11a is a schematic structural diagram of a circuit board material cavity, material box, material rack feeding device according to the present invention.

Fig. 11b is a view from direction K of fig. 11 a.

Fig. 12 is a top view of fig. 11 a.

Fig. 13 is a schematic structural diagram of a multi-pocket magazine 53 for circuit boards according to the present invention.

Fig. 14 shows a device for feeding a component multi-magazine turntable according to the present invention.

Fig. 15 is a top view of fig. 14.

Fig. 16 is a schematic structural view of an assembly robot according to the present invention. In the figure: and 52 is a clamp.

Fig. 17 is a schematic view of the structure of an automatic soldering machine according to the present invention. In the figure: 61-tin soldering gun, 62-Z axis coordinate module, 63-frame, 64-wire coil rack and 65-X axis coordinate module.

Detailed Description

The invention is described in further detail below with reference to the figures and specific examples. The objects, aspects and advantages of the present invention will become more apparent from the following description. It should be understood that the described embodiments are preferred embodiments of the invention, and not all embodiments.

A circuit board product processed by an automatic processing and assembling system of the circuit board product mainly refers to a product which comprises irregular and easily damaged elements with a high proportion. The circuit board product of the embodiment mainly comprises a bottom plate, a base, a circuit board and elements.

Examples

Referring to fig. 1, the automatic processing and assembling system for circuit board products provided by the invention comprises a central multi-station turntable mechanism 1, a base plate multi-magazine turntable feeding device 2, an automatic labeling machine 3, an automatic screw locking machine 4, a base multi-magazine turntable feeding device 5, a circuit board material cavity material magazine material rack feeding device 6, an element multi-magazine turntable feeding device 7, an assembling robot 8, an automatic soldering machine 9 and a control system 10.

Referring to fig. 2 and 3, the central multi-station turntable mechanism 1 comprises a turntable 1 mounted on a divider 20, the turntable 1 is provided with a bottom plate feeding and labeling station, a screw locking station, an assembling station and a soldering station along the rotation direction, each station is provided with a station sliding table 22 and a clamping jaw 23 capable of moving up and down along the station sliding table 22, the clamping, rotation and up-and-down movement of a workpiece are realized through the clamping jaw 23, and the workpiece is transferred and circulated at different stations through the rotation of the turntable 21 1.

With reference to fig. 1, the automatic labeling machine 3 is installed at a position corresponding to a bottom plate feeding and labeling station, and the bottom plate multi-magazine turntable feeding device 2 is located beside the automatic labeling machine 3. The mounting position of auto-screwdriving machine 4 corresponds the lock screw station, many magazine carousel feeder of base 5 install by auto-screwdriving machine 4. The mounting position of the circuit board material hole material box material rack feeding device 6 corresponds to an assembling station. The component multi-magazine turntable feeding device 7 is mounted beside the circuit board material hole magazine material rack feeding device 6, the mounting position of the assembly robot 8 is close to the component multi-magazine turntable feeding device 7 and the assembly station, and the mounting position of the automatic soldering machine 9 corresponds to the soldering station. All mechanisms and devices in the automatic processing and assembling system of the circuit board products are controlled by the control system 10.

With reference to fig. 4, fig. 5 and fig. 6a, the bottom plate multiple magazine turntable feeding device 2 includes a No. 2 divider 24, a No. 2 turntable 25b fixedly connected to the No. 2 divider 24, and a tray 25a fixedly connected to the worktable, wherein the No. 2 tray 25a is located below the No. 2 turntable 25b, the No. 2 turntable 25b is controlled by the divider to rotate, and the No. 2 tray 25a is fixed. The No. 2 rotating disc 25b has a plurality of stations along the circumferential direction, and each station is provided with a bottom plate material box 26.

Referring to fig. 6a and 6b, 25a is No. 2 tray, 25b is No. 2 turntable, 26a is bottom plate, 26 is bottom plate magazine, 29b is feeding slide block, which is installed at the end of feeding

cylinder

29a, 29c is slide block baffle. Before the No. 2 turntable 25b rotates, the workpiece feeding sliding block 29b extends out, at the moment, the upper plane of the workpiece feeding sliding block 29b is flush with the upper plane of the No. 2 tray, and the No. 2 turntable drives the bottom plate material box to rotate and change positions, so that the material box is replaced. After the turntable No. 2 is positioned by combining the FIG. 6c and the FIG. 6d, the workpiece feeding slide block returns. The bottom plate in the bottom plate material box falls into the feeding guide groove under the action of gravity, so that the feeding target is realized.

The side surface of the No. 2 tray 25a is provided with a feeding guide groove 29 along the Y direction, a bottom plate feed opening 28 is arranged at the position, opposite to the feeding guide groove 29 in the Y direction, of the No. 2 tray 25a, and when the bottom plate material box 26 rotates to the feeding guide groove 29, the bottom plate 26a in the bottom plate material box 26 falls into the feeding guide groove 29 from the bottom plate feed opening 28 due to the return of the piece feeding sliding block. The feeding guide groove 29 along the X direction is arranged below the automatic labeling machine 3, the feeding guide grooves 29 along the X direction and the Y direction are connected, feeding cylinders 29a are respectively arranged in the two feeding guide grooves, and the feeding guide groove 29 along the X direction corresponds to the bottom plate feeding and labeling station.

Referring to fig. 7 and 8, the base multi-magazine turntable feeding device 5 includes a No. 3 divider 33, a No. 3 turntable 34b fixedly connected to the No. 3 divider, and a No. 3 tray 34a fixedly connected to the worktable, the No. 3 turntable 34b is located above the No. 3 tray 34a, the No. 3 turntable 34b is controlled by the divider to rotate, the No. 3 tray 34a is fixed, the No. 3 turntable 34b has a plurality of stations along the circumferential direction, a base magazine 35 is mounted on each station, a No. 3 feeding guide groove 37 is mounted on the side surface of the No. 3 tray 34a, a No. 3 feeding cylinder 37a is mounted in the No. 3 feeding guide groove 37,

the base feed opening 38 is formed at the position, right opposite to the No. 3 feeding guide groove 37, of the No. 3 tray 34a, when the base material box 35 rotates to the position above the feeding guide groove 37, a base in the base material box 35 falls into the No. 3 feeding guide groove 37 from the base feed opening 38, and the No. 3 feeding guide groove 37 corresponds to the screw locking station. The arrangement of the turntable 34b and the tray 34a 3 and the arrangement of the base feed opening are the same as the arrangement of the tray 25a 2, the turntable 25b 2 and the base plate feed opening 28, and the feeding process is the same, so the description is omitted.

As shown in fig. 11a, 11b and 12, the circuit board material cavity material box feeding device 6 includes a material box 54 and a material box pushing device 55 installed on the material box, a servo feeding sliding table 56 and an empty material box pushing device 59 are installed at one end of the material box 54 close to the assembling station, a plurality of ball bearings 51 are installed on two opposite inner sides of the material box 54 through pin shafts 51a, a servo feeding mechanism 58 is installed on the servo feeding sliding table 56, and a material box station fixing device 57 is installed on one feeding side of the servo feeding sliding table 56.

The magazine pushing device 55 is used for pushing the circuit board multi-magazine 53 shown in fig. 13 to a servo feeding sliding table 56 station along a guide rail formed by the ball bearing 51, the magazine station fixing device 57 is used for positioning the circuit board multi-magazine 53, the servo feeding mechanism 58 is used for pushing the circuit boards in the circuit board multi-magazine 53 to an assembling station, and all the circuit boards in the circuit board multi-magazine 53 are pushed out of the servo feeding sliding table 56 by the empty magazine pushing device 59 after being assembled. Empty circuit board pocket magazines may be reloaded with circuit boards and placed on the stacks 54 of the circuit board pocket magazine stack apparatus 6 for reuse.

Referring to fig. 14 and 15, the component multiple magazine carousel feeding device 7 includes a No. 4 splitter, a No. 4 carousel 45b fixedly connected to the No. 4 splitter, and a No. 4 tray 45a fixedly connected to the work table, where the No. 4 carousel 45b is located above the No. 4 tray 45a, the No. 4 carousel 45b is controlled by the splitter to rotate, the No. 4 tray 45a is fixed, the No. 4 carousel 45b has a plurality of stations along the circumferential direction, each station is provided with a component magazine 46, a No. 4 feeding guide groove 48 is installed on a side surface of the No. 4 tray 45a, and a No. 4 feeding cylinder 48a is installed in the No. 4 feeding guide groove 48. No. 4 is the same with No. 2 carousel, tray and feed opening's project organization, and its pay-off principle is also the same, and station quantity sets up as required.

The No. 4 tray 45a is provided with a component feed opening 49 at a position opposite to the No. 4 feeding guide groove 48, when the component box 46 rotates to a position above the feeding guide groove 48, a component a in the component box 46 falls into the No. 4 feeding guide groove 48 from the component feed opening 49, an outlet end of the No. 4 feeding guide groove 48 is provided with a component pin bending device 50, and the No. 4 feeding cylinder 48a pushes the component to the component pin bending device 50 for processing. And taking out the component pins after bending by the assembling robot 8. After the component pins are bent, the feeding cylinder No. 4 48a retracts, the material in the component feeding box 49 falls into the feeding device again, and the process is repeated. After the materials in the feeding box are used up, the multi-station turntable rotates to transfer the empty feeding box out of the feeding box station, the next feeding box with the stored materials is transferred into the feeding box, and the materials in the feeding box fall into the feeding device and are pushed out to the station by the feeding device. The last empty magazine can be reloaded with component materials, and continuous feeding to the station is realized.

In order to make the feed opening of the rotary disc loading box accurately align with the feeding guide groove below, No. 2 tray 25a is provided with No. 2 correcting device 27, No. 3 tray 34a is provided with No. 3 correcting device 36, No. 4 tray 45a is provided with No. 4 correcting device 47, and the structure and installation of No. 2 correcting device 27 and No. 4 correcting device 47 are completely the same as those of No. 3 correcting device 36, which will be described below by taking No. 3 correcting device 36 as an example.

Refer to fig. 7, fig. 8, No. 3 correcting unit 36 of No. 3 tray, include along the week of No. 3 carousel 34B evenly set up several triangle breach B, triangle breach B is located between the adjacent station, and cylinder 36a, rigid coupling are all installed at the both ends of No. 3 tray 34a in the cylinder end's triangle locating piece 36B, triangle locating piece 36B and triangle breach B's high parallel and level, and No. 3 carousel 34B cylinder work when revolving to a station, and the triangle locating piece 36B at tray both ends is removed and is pushed up in triangle breach B to the centre of a circle relatively, and the cylinder drives the triangle locating piece and outwards withdraws from when the carousel rotates.

step 1: loading, mounting a labeled coil material on a labeling machine tray, adding screws into a screw feeder 41 of an automatic screw locking machine 4, mounting soldering wires on a wire coil rack 64 of an automatic soldering machine 9, mounting a bottom plate, a base and elements in a material box of a material box disc feeding device, mounting a circuit board in a material hole of a circuit board multi-material hole material box 53, mounting the material box on a material rack 54, and starting a control system 10;

step 2: feeding and labeling the bottom plate. Referring to fig. 4 to 6, the bottom plate multiple magazine carousel feeding device 2 is operated, the No. 2 carousel 25b rotates, the bottom plate magazine 26 rotates to the upper side of the feeding guide groove 29, the bottom plate falls into the Y-direction feeding guide groove 29 from the bottom plate discharge port 28, and the feeding cylinder 29a in the Y-direction feeding guide groove 29 pushes the bottom plate into the X-direction feeding guide groove 29. Then, the feeding cylinder 29a in the X-direction feeding guide groove 29 pushes the bottom plate to enter the feeding and labeling station in fig. 1, the labeling is completed under the head 32 of the automatic labeling machine 3 shown in fig. 9 in the pushing process, the bottom plate is grasped by the clamping jaws 23 in the station after being pushed to the position, and the No. 1 rotating disc 21 rotates to the next station. The above process is repeated continuously for the bottom plates in the bottom plate magazine 26, and after the bottom plate in one bottom plate magazine 26 is used up, the No. 2 rotary table 25b is rotated, the empty bottom plate magazine 26 is rotated out, and the next bottom plate magazine 26 with the bottom plate stored therein is rotated to the upper side of the feeding guide groove 29.

And step 3: after the clamping jaw 23 clamps the labeling bottom plate, the No. 1 rotating disc 21 rotates by 90 degrees to a screw locking station, and the clamping jaw rotates by 180 degrees in the rotating process of the No. 1 rotating disc 21 to turn the labeling surface of the labeling bottom plate downwards;

and 4, step 4: referring to fig. 7 and 8, the base magazine turntable feeding device 5 operates, the No. 3 turntable 34b rotates, the base magazine 35 rotates to the position above the feeding guide groove 37, the base falls into the No. 3 feeding guide groove 37 from the base feed opening 38 and is fed below the screw locking station by the No. 3 feeding cylinder 37a,

the screw holes for assembling the base are aligned with the screw holes of the rubberized base plate sent from the clamping jaw 23 on the turntable 21 No. 1, the automatic screw locking machine 4 shown in figure 10 works to assemble the base plate and the base locking screw into a base plate assembly, then the turntable 21 No. 1 rotates 90 degrees to transfer the base plate with the base installed into an assembling station,

the above process is repeated continuously for the base in the base magazine 35, when the base in one base magazine 35 is used up, the No. 3 rotary table 34b rotates, the empty base magazine 35 is rotated out, and the next base magazine 35 is rotated to the upper part of the feeding guide groove 37;

and 5: referring to fig. 11a to 13, the circuit board pocket material rack feeding device 6 works, the pocket pushing device 55 feeds the circuit board pocket material box 53 on the rack into the servo feeding sliding table 56, the servo feeding mechanism 58 positions the circuit board in the circuit board pocket material box 53 under the assembling station, and step 6 is performed;

when the circuit board in the circuit board material hole material box 53 is used up, the sliding table is pushed out by the empty material box pushing device 59, the next circuit board material hole material box with the circuit board is pushed into the servo sliding table to be fed circularly, the circuit board is reloaded in the pushed circuit board material box, and the circuit board material box is placed on the material rack 54 of the circuit board material hole material box material rack device 6 to be reused;

step 6: referring to fig. 14 and 15, when the component multi-magazine turntable feeding device 7 is operated, the No. 4 turntable is rotated, and the component magazine 46 is rotated to the upper side of the feeding guide groove 48, the component a falls into the No. 4 feeding guide groove 48 from the component feed opening 49 and is pushed to the component pin bending device 50 by the No. 4 feeding cylinder 48a for bending processing,

when the circuit board and the base plate assembly reach the assembly station, starting an assembly robot 8 shown in fig. 16 to grab the component A which is processed and bent by the component pin bending device 50 in the component multi-magazine turntable feeding device 7, inserting the component A into the component insertion hole of the base plate assembly, and aligning the component pin with the circuit board assembly welding hole below the assembly station;

and 7: with reference to fig. 2, 11a, 11b and 12, the clamping jaw 23 of the assembly station on the turntable No. 1 is started to move downwards along the station sliding table 22, so that the clamped bottom plate base assembly moves downwards synchronously with the elements assembled by the assembly robot, the element pins are inserted into the circuit board welding holes and clamped into the circuit board by the bottom plate base assembly, the sliding table 22 and the assembly robot 8 return to the original positions after the element pins are inserted into the circuit board welding holes and clamped into the circuit board by the bottom plate base assembly, and the combined assembly of the circuit board, the element and the bottom plate base assembly is completed;

and 8: referring to fig. 1 and 17, the turntable 21 No. 1 rotates 90 degrees and turns to a soldering station, the clamping jaw 23 rotates 180 degrees in the rotation process of the turntable 21 No. 1 to turn over the assembled workpiece to enable the soldering surface of the circuit board to face upwards, and the automatic soldering machine 9 is started to weld pins of assembly elements of the circuit board when the workpiece turns to the soldering station;

and step 9: after welding, the clamping jaw 23 is loosened, the processed and assembled product is sent into a product box through a guide groove, and after the workpiece is separated from the clamping jaw, the No. 1 turntable 21 rotates 90 degrees and then rotates back to the original bottom plate feeding and labeling station for recycling operation;

step 10: and entering the next working period, and repeating the steps 1 to 9.

The central multi-station turntable mechanism is provided with corresponding feeding and processing and assembling equipment in each station, the central multi-station turntable mechanism is used for clamping, rotating and moving the workpiece up and down, the workpiece is transferred and circulated in different stations, complex processing and assembling processes and continuous circulating automatic operation can be realized in a compact field space, manual operation can be replaced in processing and assembling of electronic products, labor cost is reduced, and automatic and efficient production is realized. The labor intensity is reduced, the production efficiency is improved, and the occupied space of a production line is saved.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not intended to limit the scope of the present invention, and it is obvious that any person skilled in the art can easily conceive of alternative or modified embodiments based on the above embodiments and these should be covered by the present invention.

Claims

1. The utility model provides a circuit board product automated processing assembly system which characterized in that:

the automatic feeding device comprises a central multi-station turntable mechanism, a bottom plate multi-material box turntable feeding device, an automatic gluing machine, an automatic screw locking machine, a base multi-material box turntable feeding device, a circuit board material hole material box material rack feeding device, an element multi-material box turntable feeding device, an assembling robot, an automatic soldering machine and a control system.

all the mechanisms and devices are controlled by a control system.

2. The automated processing assembly system of circuit board products of claim 1, wherein:

the bottom plate multi-material-box turntable feeding device comprises a No. 2 divider, a No. 2 turntable fixedly connected to the No. 2 divider and a No. 2 tray fixedly connected to a workbench, wherein the No. 2 turntable is positioned above the No. 2 tray, the No. 2 tray is fixed, the No. 2 turntable is controlled by the divider to rotate, the No. 2 turntable is provided with a plurality of stations along the circumferential direction, each station is provided with a bottom plate material box,

the side surface of the No. 2 tray is provided with a feeding guide groove along the Y direction, a bottom plate feed opening is arranged at the position of the No. 2 tray 25, which is opposite to the feeding guide groove along the Y direction, when the bottom plate material box rotates to the position above the feeding guide groove, a bottom plate in the bottom plate material box falls into the feeding guide groove from the bottom plate feed opening,

3. The automated processing assembly system of circuit board products of claim 1, wherein:

the base multi-material-box turntable feeding device comprises a No. 3 divider, a No. 3 turntable fixedly connected to the No. 3 divider and a No. 3 tray fixedly connected to a workbench, wherein the No. 3 turntable is positioned above the No. 3 tray, the No. 3 tray is fixed, the No. 3 turntable is controlled by the divider to rotate, the No. 3 turntable is provided with a plurality of stations along the circumferential direction, each station is provided with a base material box, the side surface of the No. 3 tray is provided with a No. 3 feeding guide groove, and a No. 3 feeding cylinder is arranged in the No. 3 feeding guide groove,

4. The automated processing assembly system of circuit board products of claim 1, wherein:

the feeding device of the circuit board material hole material box material rack comprises a material rack and a material box pushing device arranged on the material rack, one end of the material rack close to an assembly station is provided with a servo feeding sliding table and an empty material box pushing device, two opposite inner sides of the material rack are respectively provided with a plurality of ball bearings, the servo feeding sliding table is provided with a servo feeding mechanism, one feeding side of the servo feeding sliding table is provided with a material box station positioning and fixing device,

5. The automated processing assembly system of circuit board products of claim 1, wherein:

the feeding device of the element multi-material-box turntable comprises a No. 4 divider, a No. 4 turntable fixedly connected to the No. 4 divider and a No. 4 tray fixedly connected to a workbench, wherein the No. 4 turntable is positioned above the No. 4 tray, the No. 4 turntable is controlled by the divider to rotate, the No. 4 tray is fixed, the No. 4 turntable is provided with a plurality of stations along the circumferential direction, each station is provided with an element material box, the side surface of the No. 4 tray is provided with a No. 4 feeding guide groove, and a No. 4 feeding cylinder is arranged in the No. 4 feeding guide groove,

the No. 4 tray is just right to offer the component feed opening in No. 4 feed guide slots department, and when the component material casket rotated to give the feed guide slot top, the component in the component material casket fell into No. 4 feed guide slots from the component feed opening, No. 4 feed guide slot's exit end is installed the component stitch bending device.

6. The automated processing assembly system of claim 2, claim 3 and claim 5, wherein:

no. 2 is installed on the carousel, and No. 3 is installed on No. 3 the correcting unit, installs No. 4 the correcting unit on No. 4 the carousel.

7. The automated processing assembly system of circuit board products of claim 6, wherein the system is characterized in that

No. 2, 3 and No. 4 correcting unit's structure is the same, includes that the week along the carousel evenly sets up several triangle breach each other, the triangle breach is located between the adjacent station, and the cylinder is installed to the both ends symmetry of tray bottom, and cylinder end portion rigid coupling has the triangle locating piece corresponding anastomotic with preceding triangle breach, the high parallel and level of triangle locating piece and triangle breach, cylinder work when the carousel is every to a station, the triangle locating piece at tray both ends remove and push up in the triangle breach to the centre of a circle relatively, and the cylinder drives the triangle locating piece and outwards withdraws from when the carousel rotates.

8. The assembly method of the automatic processing assembly system for the circuit board products as claimed in claim 1, characterized by comprising the following steps:

step 2: the bottom plate feeds and labels, the bottom plate multi-material-box turntable feeding device works, the No. 2 feeding sliding block extends out, the No. 2 turntable rotates, after the bottom plate material box rotates to the upper part of the feeding guide groove, the No. 2 feeding sliding block returns to the initial position, the bottom plate falls into the Y-direction feeding guide groove from the bottom plate feed opening, the feeding air cylinder in the Y-direction feeding guide groove pushes the bottom plate to enter the X-direction feeding guide groove,

after the bottom plate in one bottom plate material box is used up, the No. 2 rotating disc rotates, the next bottom plate material box with the bottom plate stored therein rotates to the material feeding guide groove, and the previous empty bottom plate material box with the bottom plate is added with the bottom plate again for continuous and cyclic feeding;

when the base in one base material box is used up, the No. 3 rotating disc rotates, the empty base material box is rotated out, the next base material box is rotated to the material feeding guide groove to enter the next feeding circulation, and the base is added to the previous used empty base material box for continuous circulation feeding;

and 5: the circuit board material hole material box material rack feeding device works, the material box pushing device sends the circuit board material hole material box into the servo feeding sliding table, the servo feeding mechanism positions the circuit board in the circuit board material hole material box under the assembling station, and the step 6 is carried out;

after the circuit board is used up, the circuit board material hole material box is pushed out of the sliding table by the empty material box pushing device, the next circuit board material hole material box with the circuit board is pushed into the servo sliding table to be fed in a circulating mode, and the pushed empty material box is placed on the material rack to be fed in a continuous circulating mode after being added with the circuit board again;

step 6: when the element multi-material-box turntable feeding device works, the No. 4 turntable rotates, and the element material box rotates to the element feed opening, the element falls into the No. 4 feed guide groove from the element feed opening and is pushed to the element pin bending device station by the No. 4 feed cylinder for bending processing,

and 7: starting a clamping jaw of an assembly station of the No. 1 turntable to move downwards along a station sliding table, so that a clamped bottom plate base assembly moves downwards synchronously along with elements assembled by an assembly robot, inserting element pins inserted into slots of the bottom plate base assembly into welding holes of a circuit board, clamping the bottom plate base assembly into the circuit board, and returning the sliding table and the assembly robot to the original position to finish the combined assembly of the circuit board, the elements and the bottom plate base assembly;

step 10: and entering the next working period, and repeating the steps 1 to 9.

9. The assembly method of claim 7, wherein:

no. 1 carousel and No. 2 carousel respectively have 4 and rotate the station, No. 3 carousel and No. 4 carousel have 6 respectively and rotate the station.