CN110303339B

CN110303339B - Automatic assembly equipment

Info

Publication number: CN110303339B
Application number: CN201910670174.1A
Authority: CN
Inventors: 林焕城; 吕成福
Original assignee: Suzhou Deji Automation Technology Co ltd
Current assignee: Suzhou Deji Automation Technology Co ltd
Priority date: 2019-07-24
Filing date: 2019-07-24
Publication date: 2024-06-21
Anticipated expiration: 2039-07-24
Also published as: CN110303339A

Abstract

The invention discloses an automatic assembly device, comprising: through the mode, the automatic assembly equipment disclosed by the invention utilizes full-automatic equipment to assemble and process products and parts, so that the labor is saved, the working efficiency is improved, the production cost is reduced, the assembly and processing precision is improved, the quality of the products is improved, and the danger coefficient is reduced.

Description

Automatic assembly equipment

Technical Field

The invention relates to the field of assembly equipment, in particular to automatic assembly equipment.

Background

The assembly and the processing work of current product HULL in carrying out PIN, light guide plate and power key are mostly manual operation, not only can cause the condition that the speed is slow, inefficiency like this, and the equipment quality of manual assembly processing is unstable moreover, and danger coefficient is also higher, so the equipment that needs to satisfy the requirement more.

Disclosure of Invention

The invention mainly solves the technical problem of providing the automatic assembly equipment, which has the advantages of high reliability, accurate positioning, compact structure, high working efficiency and the like, and has wide market prospect in the application and popularization of the assembly equipment.

In order to solve the technical problems, the invention adopts a technical scheme that:

there is provided an automatic assembly apparatus, comprising: a first feeding unit, a second feeding unit, a first assembling unit, a third feeding unit, a fourth feeding unit and a second assembling unit,

The first feeding unit: feeding and discharging the product tray, and conveying the product to be processed to a first assembling unit; the third feeding unit and the fourth feeding unit are used for feeding and discharging parts to be assembled; the first assembly unit: fixing a product to be processed, and assembling the product to be processed and a part to be processed; the second assembly unit: and acquiring the product assembled in the first assembling unit, and assembling and processing the product and the parts to be processed in the third feeding unit and the fourth feeding unit.

In a preferred embodiment of the present invention, the first feeding unit includes a product tray lifting unit, a transferring unit, and a loading unit, where the product tray lifting unit is disposed in the first frame, and the transferring unit and the loading unit are disposed on the first frame.

In a preferred embodiment of the present invention, the product tray lifting unit includes a guide post, a tray, a lifting motor, and a bracket, where the guide post is disposed in the first frame, the bracket for carrying the tray is movably connected with the guide post, the lifting motor drives the bracket to move up and down along the guide post, and a sensor for detecting whether the product tray is in place is disposed on the first frame;

The transfer unit comprises a first bracket, a tray sucker, a movable rail, a supporting claw, a driving cylinder and a sucker frame, wherein the movable rail is arranged on the bracket, the driving cylinder drives the sucker frame to move back and forth along the movable rail, the tray sucker is arranged on the sucker frame, and the supporting claw is movably arranged on the bottom surface of the bracket;

The feeding unit comprises a second support, a material taking frame, a material taking jig and a material taking sucker, wherein the second support is arranged on the first frame, the material taking jig moves up and down on the material taking frame, the material taking sucker is arranged in the material taking jig, the material taking frame moves horizontally and forwards and backwards on the second support, and driving devices for driving the material taking frame to move forwards and backwards and move leftwards and rightwards are respectively connected to the material taking frame.

In a preferred embodiment of the present invention, the first assembly unit includes a second feeding unit, a transfer unit, a plugging unit, and a press-fitting unit, and the transfer unit is disposed between the plugging unit and the press-fitting unit.

In a preferred embodiment of the present invention, the transfer unit includes a guide rail, a middle swivel base, a fixing base, and a needle base, wherein the transfer base moves back and forth on the guide rail, and the needle base and the fixing base matched with the product are disposed on the middle swivel base;

the inserting unit comprises a vertical frame, a first movable frame, a second movable frame and a material sucking nozzle, the first movable frame is driven by a horizontal driving device to horizontally move back and forth on the vertical frame, a lifting driving device is arranged on the first movable frame and drives the second movable frame to vertically move, and the material sucking nozzle is arranged on the second movable frame;

The press mounting unit comprises a press mounting frame and a press plate, wherein the press mounting frame is arranged above the guide rail, the press plate moves up and down on the press mounting frame, and a press groove matched with the product structure is formed in the bottom of the press plate.

In a preferred embodiment of the invention, the third feeding unit comprises a feeding bin, a discharging bin, a lifting disc unit, a jacking unit, a conveyor belt and a limiting unit,

The feeding bin and the discharging bin are arranged above the conveying belt which drives the feeding tray to move back and forth, a channel allowing the feeding tray to pass through is arranged between the bin and the conveying belt, a tray lifting unit used for lifting the feeding tray is connected with the feeding bin, a limiting unit used for preventing the feeding tray from entering the channel is arranged in the discharging bin, and a jacking unit matched with the limiting unit is arranged below the feeding bin and the discharging bin.

In a preferred embodiment of the present invention, the lifting plate unit that cooperates with the lifting unit for feeding includes a lifting plate and a driving cylinder that drives the lifting plate to move back and forth;

The limiting unit comprises a limiting frame, a spring and a claw, wherein the bottom of the claw is rotatably connected with the limiting frame, and the spring is arranged between the upper part of the claw and the limiting frame.

In a preferred embodiment of the present invention, the third feeding unit has the same structure as the fourth feeding unit.

In a preferred embodiment of the present invention, the second assembling unit includes a fourth frame, a material taking manipulator, a turnover unit, a turntable fixture, a pushing unit, a fixing unit, and a hot melting unit, where the material taking manipulator, the turnover unit, the turntable, and the hot melting unit are disposed on the fourth frame, the turntable fixture for placing a product is disposed on the turntable, and the pushing unit drives the turntable fixture to open and close, and the fixing unit is movably connected with the turntable fixture.

In a preferred embodiment of the present invention, the turnover unit includes a turnover frame, a connection frame, a vertical cylinder, a fixing frame, and a clamping jaw, wherein the connection frame moves horizontally back and forth on the turnover frame, the connection frame is provided with the vertical cylinder driving the fixing frame to move up and down, and the fixing frame is provided with a rotary cylinder driving the clamping jaw to rotate;

The turntable jig comprises a jig seat, a pressing plate, a pressing block, a rotating shaft and a spring, wherein the pressing plate is movably arranged on the side wall of the jig seat through the rotating shaft, the spring is arranged between one end of the pressing plate and the jig seat, and the pressing block for pressing a product is connected to the other end of the pressing plate;

the pushing unit comprises a pushing claw and a pushing cylinder driving the pushing claw to move forwards and backwards, and the pushing claw drives the pushing claw to rotate around a rotating shaft;

The fixing unit comprises a fixing base, a connecting plate and a flexible pressing block, wherein the connecting plate moves up and down on the fixing base, and the flexible pressing block is arranged on the bottom surface of one end of the connecting plate;

the hot melting unit comprises a base, a hot melting frame and a hot melting head, wherein a driving device for driving the hot melting frame to move back and forth and move up and down is arranged on the base, and the hot melting head is arranged on the hot melting frame.

The beneficial effects of the invention are as follows: utilize full-automatic equipment to assemble and process product and spare part, practiced thrift the manpower, improved work efficiency, reduced manufacturing cost, improved the precision of equipment and processing simultaneously, improved the quality of product.

Drawings

For a clearer description of the technical solutions of the embodiments of the present invention, the drawings that are needed in the description of the embodiments will be briefly introduced below, it being obvious that the drawings in the description below are only some embodiments of the present invention, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art, wherein:

FIG. 1 is a schematic flow chart of a product assembly in a preferred embodiment of an automatic assembly apparatus according to the present invention;

FIG. 2 is a schematic view of the overall structure of a preferred embodiment of an automatic assembling apparatus according to the present invention;

FIG. 3 is a schematic view showing the structure of a first feeding unit and a first assembling unit in an automatic assembling apparatus according to the present invention;

FIG. 4 is a schematic view showing a structure of a tray lifting unit in a preferred embodiment of an automatic assembling apparatus according to the present invention;

FIG. 5 is a schematic view of a transfer unit in a preferred embodiment of an automatic assembling apparatus according to the present invention;

FIG. 6 is a schematic view of a loading unit in a preferred embodiment of an automatic assembling apparatus according to the present invention;

FIG. 7 is a schematic view of a first assembly unit of an automatic assembly apparatus according to a preferred embodiment of the present invention;

FIG. 8 is a schematic view of a transfer unit in a preferred embodiment of an automatic assembly device according to the present invention;

FIG. 9 is a schematic view of a third feeding unit of an automatic assembling apparatus according to a preferred embodiment of the present invention;

FIG. 10 is a schematic top view of a second assembly unit of a preferred embodiment of an automatic assembly apparatus according to the present invention;

FIG. 11 is a schematic perspective view of a second assembly unit of an automatic assembly apparatus according to a preferred embodiment of the present invention;

FIG. 12 is a schematic view showing the structure of a turnover unit in a preferred embodiment of an automatic assembling apparatus according to the present invention;

FIG. 13 is a schematic view showing a structure of a turntable jig and a fixing unit in a preferred embodiment of an automatic assembling apparatus according to the present invention;

FIG. 14 is a schematic view showing the structure of a hot melt unit in a preferred embodiment of an automatic assembling apparatus according to the present invention;

fig. 15 is a schematic structural view of a pushing unit in a preferred embodiment of an automatic assembling apparatus according to the present invention.

Detailed Description

The following description of the technical solutions in the embodiments of the present invention will be clear and complete, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Referring to fig. 1-15, an embodiment of the present invention includes:

an automatic assembling device sequentially assembles a component PIN98, a light guide plate 97 and a power key 96 on a product HULL99, and then carries out hot melting on the assembled product. The device mainly comprises a first feeding unit, a second feeding unit, a first assembling unit, a third feeding unit, a fourth feeding unit and a second assembling unit.

The first feeding unit (product feeding unit) 1: and loading and unloading the product tray, and conveying the product to be processed to the first assembly unit.

The first assembling unit (PIN-loading unit) 2: fixing the product to be processed, and assembling the product to be processed with the PIN.

The second feeding unit (PIN feeding unit) 3: a component PIN is provided.

The third feeding unit (light guide plate feeding unit) 4: a component light guide plate is provided.

The fourth feeding unit (power key feeding unit) 5: a component power key is provided.

The second assembly unit 6: and acquiring the product assembled in the first assembling unit, assembling the product with the light guide plate and the power key in sequence, and carrying out hot melting processing on the product.

1) Product feeding unit 1

The product feeding unit comprises a product tray lifting unit, a transfer unit 11 and a feeding unit 12, wherein the transfer unit and the feeding unit are arranged on a first frame 13, the transfer unit is arranged above the product tray lifting unit, and the feeding unit is arranged above the transfer unit. Be provided with full TRAY position and empty TRAY position in the first frame, product TRAY elevating unit sets up in full TRAY position (full material level) and empty TRAY position (empty material level), the material loading unit takes out the product in the product TRAY on the full material level and send to dress PIN unit, move and carry the TRAY that has been empty on the full material level to empty material level on.

The product tray lifting unit comprises a guide column 101, a product tray 102 for placing products, a lifting motor 103 and a bracket 104, wherein the guide column is arranged in the first rack, the bracket for bearing the tray is movably connected with the guide column, and the lifting motor drives the bracket to move up and down along the guide column.

The transfer unit 11 comprises a first support 110, a tray sucker 111, a movable rail 112, a supporting claw 113, a driving cylinder 114 and a sucker frame 115, wherein the first support is arranged on the first support, the movable rail is arranged on the first support, the driving cylinder drives the sucker frame to move back and forth along the movable rail, the tray sucker is arranged on the sucker frame, the supporting claw is movably arranged on the bottom surface of the support, and a driving device for driving the supporting claw to move back and forth is connected to the supporting claw.

The feeding unit 12 comprises a second bracket 120, a movable bracket 121, a material taking bracket 123, a material taking jig 124 and a material taking sucker, wherein the second bracket is arranged on the first bracket, the second bracket, the movable bracket and the material taking bracket are provided with guide rails, an X-axis driving device (servo motor) drives the material taking bracket to move left and right on the movable bracket, a Y-axis driving device (servo motor) drives the material taking jig to move up and down on the material taking bracket, a Z-axis driving device (servo motor) drives the movable bracket to move back and forth on the second bracket, the material taking sucker is arranged in the material taking jig, and the driving device drives the movable bracket, the material taking bracket and the material taking jig to move through a synchronous belt. The material taking jig is a profiling jig, two grooves matched with a product structure are formed in the bottom surface of the material taking jig, one groove adsorbs one product, and a material taking sucker is arranged at the top of the groove, so that the product sucking efficiency is improved, and the product is prevented from slipping.

When the automatic feeding device is used, a user firstly puts a full product tray in a full material level, a lifting unit in the full material level drives the full product tray to lift until a sensor detects that the tray is in place (only the uppermost tray is detected), at this time, the lifting unit is kept motionless, a feeding unit is started to enable a feeding jig to move to the position right above a product, then the feeding jig descends and starts a feeding sucker, the product is adsorbed into the feeding jig, then a movable frame is moved to deliver the product to a PIN loading unit, after the product in the tray is completely taken away, then the sucker of the tray starts and adsorbs an empty tray on the full material level, then the empty tray is delivered to the empty material level, and a lifting device in the empty material level starts to descend for storing the empty tray. When only one full tray exists on the lifting unit, the last tray is pushed out and supported by the supporting claw, and the lifting unit descends to change materials, so that the materials can be changed while the material taking jig is used for taking materials, and the working efficiency is improved.

2) PIN feeding unit 3

The second feeding unit adopts vibration dish, permutation machine, and the bottom of permutation machine is provided with the drive arrangement who drives its back-and-forth movement, the vibration dish is arranged the back in proper order with PIN and is sent to the discharge gate, and permutation machine backward movement receives the PIN that vibration dish transmitted, then arranges the rotation with the PIN for permutation machine can carry two vertical ascending PINs in proper order, and final forward movement makes cartridge unit can more conveniently acquire the PIN.

3) PIN loading unit 2

The PIN mounting unit comprises a second rack 20, a transfer unit, a plug-in unit 22 and a press-in unit 23, wherein the transfer unit, the plug-in unit and the press-in unit are arranged on the second rack, and the transfer unit is arranged between the plug-in unit and the press-in unit.

The transfer unit 21 includes guide rail 210, well swivel mount 211, fixing base 212, drive arrangement drives the transfer seat is in the back and forth movement on the guide rail, the fixing base set up in the top of well swivel mount, the fixing base includes the fixed tool 213 of profile modeling with product structure matched with, the fixed tool of profile modeling and the fixed product of needle file 214 cooperation and make the needle file aim at the dress PIN position on the product, when getting the material tool and putting the product on the transfer unit, the fixed tool of profile modeling is directly inserted in the product, cartridge subassembly is directly inserted in the needle file with the PIN, can prevent effectively that the product from rocking, improves stability, can let product and PIN can more accurate, quick alignment and installation moreover, improve the accuracy of equipment.

The plug-in mounting unit 22 comprises a vertical frame 220, a first movable frame 221, a second movable frame 222 and a material sucking nozzle 223, wherein a horizontal driving device drives the first movable frame to horizontally move back and forth on the vertical frame, a lifting driving device is arranged on the first movable frame and drives the second movable frame to vertically move, and one or more material sucking nozzles are arranged on the second movable frame.

The press mounting unit 23 comprises a press mounting frame 230 and a press plate 231, the press mounting frame is arranged above the guide rail, the press plate is movably connected with the press mounting frame through a guide pillar, the lifting cylinder is arranged on the press mounting frame and drives the press plate to move up and down, so that the press plate can be prevented from generating position deviation in the moving process, the press mounting precision and efficiency are improved, the bottom of the press plate is provided with a press groove matched with a product structure, and the press plate can press PIN into the product faster and better according to the structure of the product, and the condition that the PIN is exposed because the press plate is not attached to the product is prevented.

When the PIN feeding device is used, the material sucking nozzle horizontally moves to the upper part of the PIN feeding unit, then descends and sucks the PIN (the PIN is kept in a vertical state), then moves back to the transfer unit, the material sucking nozzle descends and inserts the PIN into the needle seat (the upper part of the PIN is exposed out of the needle seat), the feeding unit conveys products to the transfer unit, the products are fixed on the fixing seat by the profiling fixing jig, at the moment, the PIN is inserted into the products, then the transfer unit moves to the lower part of the press-fitting unit, the press plate descends and presses the PIN into the products completely, and finally the transfer unit continues to advance until the products are removed by the second assembly unit and then returns to the plug-in unit.

4) Light guide plate feeding unit 4

The third feeding unit comprises a third frame 41, a feeding bin 42, a discharging bin 43, a lifting disc unit 44, a jacking unit, a conveyor belt 45, a limiting unit 46, a feeding tray for placing a light guide plate/power key and a pressing frame 47.

Be provided with full TRAY position, empty TRAY position and get the material position in the third frame, empty TRAY position sets up in full TRAY position and gets between the material position, the material loading feed bin set up in full TRAY position, the unloading feed bin set up in empty TRAY position, jacking unit sets up in full TRAY position, empty TRAY position and get the material position, be connected with servo motor the conveyer belt runs through full TRAY position, empty TRAY position and gets the material position, the press frame set up in get on the material position.

The feeding bin, the discharging bin and the pressing frame are arranged above the conveyor belt which drives the feeding tray to move back and forth, and a channel which allows the feeding tray to pass through is arranged between the feeding bin, the discharging bin, the pressing frame and the conveyor belt. The lifting disc unit which is matched with the first lifting unit to lift the feeding tray is connected with the feeding bin, a limiting unit used for preventing the feeding tray from entering the channel is arranged in the discharging bin, the feeding bin, the discharging bin and the lower part of the pressing frame are sequentially provided with the first lifting unit, the second lifting unit and the third lifting unit, and the three lifting units are identical in structure.

The lifting plate unit 44 comprises a lifting plate 440 and a driving air cylinder 441, a through hole is formed in the bottom of the side wall of the feeding bin, the driving air cylinder drives the lifting plate to move back and forth in the through hole, and a step for inserting between two feeding trays is formed in the lifting plate, so that the lifting plate can be conveniently moved, the trays can be separated more quickly, and feeding efficiency is improved.

The jacking unit comprises a jacking cylinder 48 and a jacking plate 49, and the jacking cylinder drives the jacking plate to move up and down so as to push the feeding tray upwards.

The limiting unit 46 comprises a limiting frame 460, a spring 461 and a claw 462, wherein a movable hole is formed in the bottom of the side wall of the blanking bin, the claw is movably arranged in the movable hole, the bottom of the claw is rotatably connected with the limiting frame through a connecting rod, and the spring is arranged between the upper portion of the claw and the limiting frame.

In the full TRAY position, a first jacking unit is firstly lifted, then a plurality of full feeding TRAYs are placed in a feeding bin (10 TRAY), and all the feeding TRAYs are supported by the first jacking unit so as to avoid pressing the feeding TRAYs on a conveyor belt; during feeding, the first jacking unit descends by the thickness of one feeding tray, and then the lifting plate stretches out and supports the feeding tray with the last but one or more so that the jacking unit only carries the lowest tray to descend onto the conveyor belt in the channel; the servo motor is started and drives the conveyor belt to convey the feeding tray to a material taking position through the channel; when the feeding tray reaches the material taking position, the third jacking unit drives the feeding tray to ascend until the jacking unit is matched with the pressing frame to fix the feeding tray, and the mechanical arm starts to take materials at the moment; when the parts in the feeding TRAY on the material taking position are taken out, the servo motor reversely operates to drive the conveyor belt to convey the TRAY on the material taking position to an empty TRAY position; when the feeding TRAY reaches the empty TRAY position, the jacking unit is started and lifts the empty TRAY upwards, the clamping jaw is pushed outwards by the TRAY, the spring is stressed to compress until the empty TRAY moves to the upper part of the clamping jaw, the spring is gradually stretched in the descending process of the jacking plate and pushes the clamping jaw to move inwards, so that the empty TRAY is supported above the channel by the clamping jaw, and when the discharging bin is fully filled with the TRAY, the TRAY is taken out.

5) Power key feeding unit 5

The power key feeding unit is arranged beside the light guide plate feeding unit, and the specific structure of the power key feeding unit is the same as that of the light guide plate feeding unit.

6) A second assembling unit 6

The second assembling unit 6 includes a fourth frame 60, a material taking manipulator, a turnover unit 63, a turntable jig 64, a pushing unit 68, a fixing unit 65, and a hot melting unit 66.

The fourth frame is last to have set gradually upset material loading station, light guide plate equipment station, power key equipment station, right hot melt station, left hot melt station, unloading station, the upset unit set up in on the upset material loading station for snatch and install the first manipulator 60 on the product with the light guide plate set up in on the light guide plate equipment station, be used for snatch and install the second manipulator 62 on the product with the power key set up in the power key equipment station, to constitute the first hot melt unit setting on right hot melt station of product right side and carry out the left hot melt station of the second hot melt unit of hot melt to constituteing the product left side.

The turntable comprises a large turntable 67 and a small turntable 69, the large turntable is arranged on the outer ring of the small turntable, the large turntable is connected with the movable part on the cam divider, and the small turntable is connected with the fixed part on the cam divider, so that the small turntable is fixed on the fourth frame, and the large turntable can rotate.

The turntable jig for fixing products is arranged on the large turntable, the number of the turntable jigs on the large turntable is larger than or equal to the number of processing stations, so that all stations can simultaneously assemble and process different products, the working efficiency is improved, the pushing unit drives the turntable jigs to open and close, and the pushing unit is only arranged on the overturning and feeding station and the discharging station. The small turntables in the light guide plate assembly station, the power key assembly station, the right hot melting station and the left hot melting station are respectively provided with the fixing units, and the fixing units are matched with the turntable jig to fix products, so that the machining precision is improved.

The overturning unit 63 comprises an overturning frame 630, a horizontal guide rail 631, a horizontal cylinder (e.g. a rodless cylinder) 632, a connecting frame 633, a vertical cylinder (e.g. a mini cylinder) 634, a vertical guide post 635, a fixing frame 636 and a clamping jaw 637, wherein the overturning frame is arranged on the fourth frame, the horizontal guide rail is arranged on the upper part of the overturning frame, the horizontal cylinder drives the connecting frame to move back and forth on the horizontal guide rail, the vertical cylinder is arranged on the connecting frame, the fixing frame is movably connected with the connecting frame through the vertical guide post, the vertical cylinder drives the fixing frame to move up and down along the vertical guide post, and a finger cylinder for driving the clamping jaw to open and close and a rotary cylinder for driving the clamping jaw to rotate are arranged on the fixing frame.

The rodless cylinder drives the product clamping jaw to move left and right on the horizontal guide rail, the mini cylinder drives the product clamping jaw to move up and down along the vertical guide post, and the rotary cylinder rotates the clamping jaw; the rodless cylinder moves right, the product clamping jaw reaches the upper part of the product, the finger cylinder opens, the mini cylinder drives the product clamping jaw to descend to the product grade, the finger cylinder closes, and the HULL (HULL end face is horizontally downward) is clamped; the mini cylinder rises, and the revolving cylinder rotates 90 degrees (the HULL terminal surface is vertical outwards this moment) with the product clamping jaw, and the rodless cylinder takes the product clamping jaw to carousel station 1 top, and the mini cylinder descends, puts the HULL to in the carousel subassembly of carousel station 1.

The turntable jig 64 comprises a jig base 640, a pressing plate 641, a pressing block, a rotating shaft 642 and a spring, wherein the pressing plate is movably arranged on the side wall of the jig base through the rotating shaft, a first guiding inclined plane is arranged at the front end of the pressing plate, the spring (the bottom of the spring can be arranged in a fixing hole on the side wall of the jig base) is arranged between the front end of the pressing plate and the jig base, the pressing block used for pressing a product is connected to the rear end of the pressing plate, a movable hole 643 is formed in the side wall of the jig base, and the pressing block moves back and forth in the movable hole.

The pushing unit 68 includes a pushing claw 690 and a pushing cylinder 691 driving the pushing claw to move back and forth, a second guiding inclined plane matching with the first guiding inclined plane is disposed on the inner side of the pushing claw, and the pushing claw drives the pushing claw to rotate around the rotating shaft.

When a product is ready to be put into the jig, the pushing cylinder pushes the pushing claw to advance, the second guide inclined surface is contacted with the first guide inclined surface and presses the front end of the pressing plate downwards (front end pressing spring), and at the moment, the front end of the pressing plate is tilted up to enable the pressing block to move outwards; after the product is put into, the pushing cylinder pulls the pushing claw backwards, so that the front end of the pressing plate is jacked up by the spring, and meanwhile, the rear end of the pressing plate drives the pressing block to move into the jig and press the product.

The fixing unit 65 comprises a fixing base 650, an adjusting cylinder 651, a connecting plate 652 and a flexible pressing block (sponge) 653, wherein the fixing base is arranged on the small turntable, the adjusting cylinder is arranged on the fixing base and drives the connecting plate to move up and down, an adjusting valve for controlling the pressure of the cylinder after descending is connected to the adjusting cylinder, and the sponge is arranged on the bottom surface of one end of the connecting plate.

When the turntable jig provided with the HULL is transferred to the light guide plate assembly station, the power key assembly station, the right hot melting station and the left hot melting station, the air cylinder drives the connecting plate and the sponge to descend to press the upper part of the HULL, so that the HULL is fixed.

The hot melting unit 66 comprises a base 660, a lifting cylinder 661, a translation cylinder 662, a track 663, a first frame 664, a second frame 665, a hot melting frame 666 and a hot melting head 667, wherein the base is arranged on the fourth frame, the track is arranged on the top surface of the base and the side surface of the first frame, the translation cylinder drives the first frame to move back and forth along the track, the lifting cylinder is arranged on the first frame, the lifting cylinder drives the second frame to move up and down, the hot melting frame is arranged on the side wall of the second frame, and the hot melting head is arranged on the hot melting frame.

When the product to be subjected to hot melting rotates to the right hot melting station and the left hot melting station, the translation cylinder drives the first frame body to move forwards, so that the hot melting frame is inserted into the HULL, the hot melting head reaches the position to be heated, and the lifting cylinder drives the first frame body to descend so that the hot melting head is in contact with the product for heating.

When the second assembly unit works (taking a turntable jig as an example), the turnover mechanism absorbs HULL from the transfer jig, rotates by 90 degrees and puts the HULL to the turntable assembly; rotating the turntable, pressing the HULL by a pressing mechanism in the light guide plate assembly station, sucking a power key from the feeder by a first manipulator, and putting the power key into the HULL in the turntable assembly; the rotary table rotates, a pressing mechanism in the power key assembly station presses the HULL, and the second manipulator sucks the light guide plate from the feeder and puts the light guide plate into the HULL in the rotary table assembly; rotating the turntable, pressing the HULL by a pressing mechanism in the right hot melting station, and heating the right assembled finished product by the hot melting assembly; rotating the turntable, pressing the HULL by a pressing mechanism in the left hot melting station, and heating the left assembled product by the hot melting assembly; and rotating the rotary table to take away the finished product after the hot melting in the blanking station.

The automatic assembly equipment has the beneficial effects that: utilize full-automatic equipment to assemble and process product and spare part, practiced thrift the manpower, improved work efficiency, reduced manufacturing cost, improved the precision of equipment and processing simultaneously, improved the quality of product, reduced the danger coefficient of equipment processing.

The foregoing description is only illustrative of the present invention and is not intended to limit the scope of the invention, and all equivalent structures or equivalent processes or direct or indirect application in other related arts are included in the scope of the present invention.

Claims

1. An automatic assembly apparatus, comprising: a first feeding unit, a second feeding unit, a first assembling unit, a third feeding unit, a fourth feeding unit and a second assembling unit,

The first feeding unit: feeding and discharging the product tray, and conveying the product to be processed to a first assembling unit; the second feeding unit, the third feeding unit and the fourth feeding unit are used for feeding and discharging parts to be assembled; the first assembly unit: fixing a product to be processed, and assembling the product to be processed and parts to be assembled; the second assembly unit: acquiring a product assembled in the first assembling unit, and assembling and processing the product and parts to be processed in the third feeding unit and the fourth feeding unit;

the first assembly unit comprises a second feeding unit, a transfer unit, an inserting unit and a press-fitting unit, wherein the transfer unit is arranged between the inserting unit and the press-fitting unit;

The transfer unit comprises a guide rail, a middle swivel seat, a fixed seat and a needle seat, wherein the transfer seat moves back and forth on the guide rail, and the needle seat and the fixed seat matched with the product are arranged on the middle swivel seat; the inserting unit comprises a vertical frame, a first movable frame, a second movable frame and a material sucking nozzle, the first movable frame is driven by a horizontal driving device to horizontally move back and forth on the vertical frame, a lifting driving device is arranged on the first movable frame and drives the second movable frame to vertically move, and the material sucking nozzle is arranged on the second movable frame; the press mounting unit comprises a press mounting frame and a press plate, the press mounting frame is arranged above the guide rail, the press plate moves up and down on the press mounting frame, and a press groove matched with the product structure is formed in the bottom of the press plate;

The third feeding unit comprises a feeding bin, a discharging bin, a lifting disc unit, a jacking unit, a conveyor belt and a limiting unit, wherein the feeding bin and the discharging bin are arranged above the conveyor belt which drives the feeding tray to move back and forth, a channel which allows the feeding tray to pass through is arranged between the feeding bin, the discharging bin and the conveyor belt, the lifting disc unit for lifting the feeding tray is connected with the feeding bin, the limiting unit for preventing the feeding tray from entering the channel is arranged in the discharging bin, and the jacking unit is arranged below the feeding bin; the lifting plate unit matched with the jacking unit for feeding comprises a lifting plate and a driving cylinder for driving the lifting plate to move forwards and backwards; the limiting unit comprises a limiting frame, a spring and a claw, wherein the bottom of the claw is rotatably connected with the limiting frame, and the spring is arranged between the upper part of the claw and the limiting frame;

the second assembling unit comprises a fourth rack, a material taking mechanical arm, a turnover unit, a turntable jig, a pushing unit, a fixing unit and a hot melting unit, wherein the material taking mechanical arm, the turnover unit, the turntable and the hot melting unit are arranged on the fourth rack, the turntable jig for placing products is arranged on the turntable, the pushing unit drives the turntable jig to open and close, and the fixing unit is movably connected with the turntable jig;

The turnover unit comprises a turnover frame, a connecting frame, a vertical cylinder, a fixing frame and clamping jaws, wherein the connecting frame horizontally moves back and forth on the turnover frame, the vertical cylinder which drives the fixing frame to move up and down is arranged on the connecting frame, and a rotary cylinder which drives the clamping jaws to rotate is arranged on the fixing frame;

2. The automatic assembly equipment of claim 1, wherein the first feeding unit comprises a product tray lifting unit, a transfer unit and a loading unit, the product tray lifting unit is arranged in the first frame, and the transfer unit and the loading unit are arranged on the first frame.

3. The automatic assembly equipment according to claim 2, wherein the product tray lifting unit comprises a guide post, a tray, a lifting motor and a bracket, the guide post is arranged in the first frame, the bracket for bearing the tray is movably connected with the guide post, the lifting motor drives the bracket to move up and down along the guide post, and a sensor for detecting whether the product tray is in place is arranged on the first frame;

The transfer unit comprises a first bracket, a tray sucker, a movable rail, a supporting claw, a driving cylinder and a sucker frame, wherein the movable rail is arranged on the first bracket, the driving cylinder drives the sucker frame to move back and forth along the movable rail, the tray sucker is arranged on the sucker frame, and the supporting claw is movably arranged on the bottom surface of the first bracket;

4. An automatic assembling apparatus according to claim 1, wherein the third supply unit has the same structure as the fourth supply unit.