CN211219571U - Full-automatic power supply assembly test line - Google Patents

Abstract

The utility model relates to the technical field of automatic assembly lines, in particular to a full-automatic power supply assembly test line, which comprises a conveying unit communicated with the assembly test line and a jig which is transmitted to the conveying unit and used for placing a power supply; the assembly test line sequentially comprises automatic substrate mounting equipment, a manual insertion station, first screw locking equipment, a first reserved station, conversion equipment, code scanning binding equipment, dispensing equipment, a second reserved station, second screw locking equipment, an insertion station, automatic insertion equipment, aging test equipment, detection equipment and automatic pulling-out equipment; the utility model discloses an assembly line mode possess the power and carry out automatic assembly and detect, degree of automation is high, assembles effectually, can realize automatic test after accomplishing the assembly, can pack the shipment after can accomplishing the test, compares traditional manual assembly efficiency and further improves, also uses manpower and materials simultaneously.

Description

Full-automatic power supply assembly test line

Technical Field

The utility model relates to an automatic change equipment assembly line technical field, especially relate to a full-automatic power assembly test line.

Background

Automation technology is widely used in industry, agriculture, military, scientific research, transportation, commerce, medical treatment, services, and home. The automatic technology can not only liberate people from heavy physical labor, partial mental labor and severe and dangerous working environments, but also expand the functions of human organs, greatly improve the labor productivity and enhance the ability of human to know the world and transform the world. Large plants in automation systems are also referred to as automation devices. Refers to a process in which a machine or apparatus automatically operates or controls according to a prescribed program or instruction without human intervention.

The PC power supply is one of the essential components of the computer host. In the prior art, in the production process of PC power supply assembly, the PC power supply assembly is mostly completed by manual work and semi-automatic equipment, and then the detection is performed manually after the completion, so that the mode can not meet the requirement far away in production efficiency, and therefore, a full-automatic flow velocity line type assembly line needs to be made for PC power supply assembly and test.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides an adopt assembly line mode to possess the power and carry out automatic assembly and detect, degree of automation is high, and assembly effect is good, can realize automatic test after accomplishing the assembly, can accomplish and pack the shipment after the test, compares traditional manual assembly efficiency and further improves, also uses manpower sparingly material resources's full-automatic power assembly test line simultaneously.

The utility model adopts the technical proposal that: a full-automatic power assembly test line comprises a conveying unit penetrating through the assembly test line, and a jig which is conveyed to the conveying unit and used for placing a power supply; the assembly test line sequentially comprises automatic substrate assembling equipment for assembling a power substrate on a jig, a manual inserting station for inserting a connector on the jig, first screw locking equipment for locking screws in power assembly, a first reserved station for manual operation, conversion equipment for jig conversion, code scanning binding equipment for scanning codes of the jig, dispensing equipment for dispensing, second reserved station for assembling an upper cover, second screw locking equipment for automatically locking the upper cover, an inserting station for inserting a DC (direct current) head on the power supply, automatic inserting equipment for automatically inserting an AC (alternating current) connector, aging test equipment for power aging test, detection equipment for detecting the power supply, and automatic extracting equipment for automatically removing the AC connector and the DC connector.

The further improvement of the scheme is that the conveying unit is arranged in a double-layer conveying structure and formed by connecting a plurality of groups of conveying devices.

The jig comprises an assembly jig and a test jig, the assembly jig comprises a fixed seat, at least one group of fixing jigs are arranged on the fixed seat, the fixing jigs are provided with arrangement grooves for placing products, the fixing jigs are provided with at least two groups of jacking positioning components and at least two groups of fixing holes, each jacking positioning component comprises an outer sleeve, a positioning pin which can be driven in the inner diameter of the outer sleeve in a lifting mode, a positioning screw is arranged on the side face of the outer sleeve, and a positioning groove is formed in the positioning pin corresponding to the positioning pin; the fixing seat is provided with a placing groove for mounting a fixing jig, and a supporting plate for supporting the fixing jig is mounted on one side of the placing groove; the supporting plate is provided with positioning pins for positioning and placing the fixing jig, one side of the fixing jig is provided with a notch, the notch is communicated with the placement groove, the jacking positioning assembly and the fixing holes are respectively provided with two groups and obliquely and correspondingly arranged in the placement groove, the fixing holes are arranged in screw holes, the placement groove is provided with a T-shaped hole, the outer sleeve is fixedly arranged in the T-shaped hole in a T shape, the outer sleeve is provided with a first clamping groove, the first clamping groove is provided with a first clamp spring for fixing the outer sleeve in the T-shaped hole, the inner diameter of the outer sleeve is provided with a second clamping groove, the second clamping groove is provided with a second clamp spring for limiting a positioning needle, the positioning screw is arranged in a glass bead screw manner, and the positioning groove is arranged in an; the test fixture is provided with a plurality of placing cavities for placing the power supply, and a plurality of connecting plates for connecting the power supply are arranged on two sides of the placing cavities.

The automatic substrate loading equipment comprises a material taking mechanical arm, a material taking support connected with the material taking mechanical arm, at least two groups of material taking cylinders arranged on the material taking support, double-acting cylinders arranged on driving cylinders and material taking clamping plates arranged on the double-acting cylinders, wherein the material taking support is further provided with a detection lens.

The scheme is further improved in that the manual insertion station is arranged on the lower side of the conveying unit and provided with a plurality of insertion positioning devices, and the two sides of the insertion equipment are reserved with manual stations.

The further improvement of the scheme is that the first screw locking equipment and the second screw locking equipment are automatic screw locking equipment, the first screw locking equipment and the second screw locking equipment are provided with a plurality of groups of automatic screw locking batches, screws are locked after the jigs are positioned, and the first screw locking equipment and the second screw locking equipment are further provided with bad sorting devices.

The further improvement of the scheme is that the conversion equipment is provided with a conversion material taking device, and the conversion material taking device takes materials from a power supply of the assembling jig and places the materials to the testing jig.

The further improvement of the above scheme is that the detection device is a fan abnormal sound and fan rotating speed detection device, which comprises:

the material taking device is provided with a different sound sucking disc used for detecting different sounds of the power supply fan, and the different sound sucking disc is connected with a detection system;

the wind speed detection device is provided with an XYZ transmission module and a detection probe arranged on the XYZ transmission module, and the detection probe is connected with a detection system;

the detection system comprises an abnormal sound control box and a rotating speed detection control box, wherein the abnormal sound control box is provided with abnormal sound detection software, and the abnormal sound sucker is provided with an amplifier connected with the abnormal sound detection software; the rotating speed detection control box is provided with rotating speed detection software, and the detection probe is connected with the rotating speed detection software.

In a further improvement of the above solution, the automatic extraction equipment comprises an AC removal device and a DC removal device;

the AC removing device comprises a longitudinal transmission module, a lifting transmission module, a transverse transmission module and a connecting bracket, wherein the lifting transmission module is arranged on the longitudinal transmission module in a transmission manner, the transverse transmission module is arranged on the lifting transmission module in a transmission manner, the connecting bracket is arranged on the transverse transmission module, and a plurality of groups of AC extracting modules for extracting AC connectors are arranged on the connecting bracket;

the AC extraction module comprises a base, a front propelling cylinder, a rear propelling cylinder, a clamping cylinder and a clamping plate, wherein the front propelling cylinder and the rear propelling cylinder are arranged on the base;

the DC removing device comprises a support frame, a pulling-out driving module arranged on the support frame, a tightness driving module arranged on the pulling-out driving module, and a plurality of groups of DC pulling-out modules arranged on the tightness driving module;

the DC pulling module comprises a fine adjustment connecting block, a lifting guide rail and a clamping plate, wherein the transverse guide rail is arranged on the transverse guide rail; the clamping plate is connected with a correcting block.

The assembly test process of the full-automatic power supply assembly test line comprises the following steps:

step 1, placing an assembly jig on a conveying unit for conveying, manually placing a lower cover of a power supply on the lower cover when the assembly jig passes through automatic substrate mounting equipment, and then automatically taking a substrate to place on the lower cover for assembly through the automatic substrate mounting equipment;

step 2, after the assembly of the substrate is finished, the assembly jig is continuously conveyed, and when the assembly jig is conveyed to a manual insertion station, a connecting wire or a connector is manually inserted into the jig or a power supply;

step 3, fixing and locking the substrate in the lower cover through screws by using first screw locking equipment to finish one-time assembly;

step 4, after the assembly jig passes through the reserved station, manual detection processing is carried out, and the assembly jig is converted into a test jig through conversion equipment after the manual detection processing is finished;

step 5, binding the power supplies and the jigs one by one through code scanning binding equipment after the conversion of the test jigs is finished;

step 6, dispensing the positions of the substrates needing dispensing through dispensing equipment, and sorting the substrates by detecting poor dispensing after dispensing;

step 7, manually clamping an upper cover of the power supply on the power supply at a second reserved station to package the substrate, fixedly locking the upper cover and a lower cover through second screw locking equipment after the package is completed, and performing secondary code scanning binding after the package is locked;

step 8, inserting the DC connector into the test fixture through the insertion station, then inserting the AC connector, and sending the test fixture into aging test equipment for aging test after the insertion is completed;

and 9, testing the power supply through the detection equipment after the aging test is finished, and pulling out the AC connector and the DC connector through the automatic pulling-out equipment after the test is finished.

The utility model has the advantages that:

the automatic power assembly test line is provided with a conveying unit penetrating through the assembly test line and a jig which is conveyed to the conveying unit and used for placing a power supply; the assembly test line sequentially comprises automatic substrate assembling equipment for assembling a power supply substrate on a jig, a manual insertion station for inserting a connector on the jig, first screw locking equipment for locking screws in power supply assembly, a first reserved station for manual operation, conversion equipment for jig conversion, code scanning binding equipment for scanning a code of the jig, dispensing equipment for dispensing, a second reserved station for assembling an upper cover, second screw locking equipment for automatically locking the upper cover, an insertion station for inserting a DC connector on the power supply, automatic insertion equipment for automatically inserting an AC connector, aging test equipment for power supply aging test, detection equipment for detecting the power supply, and automatic extraction equipment for automatically removing the AC connector and the DC connector; adopt the assembly line mode to possess the power and carry out automatic assembly and detect, degree of automation is high, and assembly effect is good, can accomplish the automatic test after the assembly, can pack the shipment after can accomplishing the test, compares traditional manual assembly efficiency and further improves, also uses manpower and materials sparingly simultaneously.

The utility model discloses a computer power is placed and is used, places the product on the mounting groove on the fixed tool, in the course of placing, fixes the product through jacking locating component, fixes the product through driving screw into on the fixed hole after the location, thus fix the product, so that realize automatic assembly test to the product in the follow-up, fix the product with good effect, assemble effectual; the jacking positioning assembly is composed of an outer sleeve and a positioning needle, the positioning needle can be lifted in the inner diameter of the outer sleeve, the positioning needle can be connected with driving assemblies such as an air cylinder and the like to drive the positioning needle to ascend for positioning when a product is loaded and positioned, a screw is driven into a fixing hole after positioning and then driven to descend again through the driving assemblies such as the connecting air cylinder and the like, so that the subsequent assembly and use of the product are facilitated, and the assembly effect is good; a positioning screw is further installed on the side surface of the outer sleeve, and a positioning groove is formed in the positioning needle corresponding to the positioning screw so as to further position the positioning needle and a product when the positioning needle and the product are positioned, and the positioning effect and the strength are enhanced; the problem of current not enough to product positioning effect is solved, adopted the elevation structure location to combine to lock into the fix with screw to the assembly of follow-up product is used, and positioning effect is good, convenient assembling.

The detection equipment is fan abnormal sound and fan rotating speed detection equipment and a wind speed detection device, the wind speed detection device is provided with an XYZ transmission module and a detection probe installed on the XYZ transmission module, and the detection probe is connected with a detection system;

the detection system comprises an abnormal sound control box and a rotating speed detection control box, wherein the abnormal sound control box is provided with abnormal sound detection software, and the abnormal sound sucker is provided with an amplifier connected with the abnormal sound detection software; the rotating speed detection control box is provided with rotating speed detection software, and the detection probe is connected with the rotating speed detection software; the detection is carried out in the production process of the PC power supply, and the detection is applied to detecting the abnormal sound and the rotating speed of the cooling fan and detecting whether the power supply has abnormal conditions or not, so that the detection effect is good, the automation degree is high, and the working efficiency is high.

The assembly test process of the full-automatic power supply assembly test line comprises the following steps:

step 1, placing an assembly jig on a conveying unit for conveying, manually placing a lower cover of a power supply on the lower cover when the assembly jig passes through automatic substrate mounting equipment, and then automatically taking a substrate to place on the lower cover for assembly through the automatic substrate mounting equipment; step 2, after the assembly of the substrate is finished, the assembly jig is continuously conveyed, and when the assembly jig is conveyed to a manual insertion station, a connecting wire or a connector is manually inserted into the jig or a power supply; step 3, fixing and locking the substrate in the lower cover through screws by using first screw locking equipment to finish one-time assembly; step 4, after the assembly jig passes through the reserved station, manual detection processing is carried out, and the assembly jig is converted into a test jig through conversion equipment after the manual detection processing is finished; step 5, binding the power supplies and the jigs one by one through code scanning binding equipment after the conversion of the test jigs is finished; step 6, dispensing the positions of the substrates needing dispensing through dispensing equipment, and sorting the substrates by detecting poor dispensing after dispensing; step 7, manually clamping an upper cover of the power supply on the power supply at a second reserved station to package the substrate, fixedly locking the upper cover and a lower cover through second screw locking equipment after the package is completed, and performing secondary code scanning binding after the package is locked; step 8, inserting the DC connector into the test fixture through the insertion station, then inserting the AC connector, and sending the test fixture into aging test equipment for aging test after the insertion is completed; step 9, testing the power supply through the detection equipment after the aging test is finished, and pulling out the AC connector and the DC connector through the automatic pulling-out equipment after the test is finished; the automatic assembly of whole journey is realized, tests after the completion assembly, and the completion test has direct packing shipment can, degree of automation is high.

Drawings

Fig. 1 is a schematic side view of the present invention;

fig. 2 is a schematic top view of the present invention;

fig. 3 is a schematic perspective view of the assembly jig of the present invention;

fig. 4 is a schematic perspective view of the assembly jig of the present invention;

fig. 5 is a schematic perspective view of another view angle of the assembly jig of the present invention;

fig. 6 is a schematic top view of the assembly jig of the present invention;

FIG. 7 is a cross-sectional view taken along line A-A of FIG. 6;

fig. 8 is a schematic perspective view of the automatic drawing device of the present invention;

fig. 9 is a schematic perspective view of the AC removing device of the present invention;

fig. 10 is a schematic perspective view of the AC removing device according to another view of the present invention;

fig. 11 is a schematic perspective view of the DC removing device of the present invention;

fig. 12 is a schematic perspective view of the DC removing device according to another view angle of the present invention;

FIG. 13 is a schematic diagram of the abnormal sound detection circuit of the present invention;

FIG. 14 is a schematic diagram of a fan speed detection circuit according to the present invention;

fig. 15 is a schematic diagram of an example of the fan speed detection circuit of the present invention.

Description of reference numerals: the assembly test line 1, the conveying unit 10, the assembly jig 11, the fixed base 110, the placing groove 111, the supporting plate 112, the positioning pin 113, the fixing jig 120, the placing groove 121, the jacking positioning assembly 130, the outer sleeve 131, the first clamping groove 131a, the first clamping spring 131b, the second clamping groove 131c, the second clamping spring 131d, the positioning pin 132, the positioning screw 133, the positioning groove 134, the fixing hole 140, the test jig 12, the automatic substrate mounting equipment 20, the manual insertion station 30, the first screw locking equipment 40, the first reserved station 50, the conversion equipment 60, the code scanning binding equipment 70, the glue dispensing equipment 80, the second reserved station 90, the second screw locking equipment 100, the insertion station 200, the automatic insertion equipment 300, the aging test equipment 400, the detection equipment 500, the automatic extraction equipment 600, the AC releasing device 610, the longitudinal transmission module 611, the lifting transmission module 612, the transverse transmission module 613, the connecting supports 614, the positioning pin, The device comprises an AC extraction module 620, a base 621, a front and back propulsion cylinder 622, a clamping cylinder 623, a clamping plate 624, a baffle 625, a DC removing device 630, a support frame 631, an extraction driving module 632, a tension driving module 633, a DC extraction module 640, a transverse guide rail 641, a fine adjustment connecting block 642, a lifting guide 643, a clamping plate 644 and a limiting shaft 645.

Detailed Description

The present invention will be further described with reference to the accompanying drawings.

As shown in fig. 1 to 2, the fully automatic power assembly test line 1 is provided with a conveying unit 10 penetrating through the assembly test line 1, and a jig for placing a power is conveyed to the conveying unit 10; the assembly test line 1 sequentially comprises automatic substrate assembling equipment 20 for assembling a power supply substrate on a jig, a manual insertion station 30 for inserting connectors on the jig, first screw locking equipment 40 for locking screws in power supply assembly, a first reserved station 50 for manual operation, conversion equipment 60 for jig conversion, code scanning binding equipment 70 for jig code scanning, dispensing equipment 80 for dispensing, second reserved station 90 for upper cover assembly, second screw locking equipment 100 for automatically locking an upper cover, an insertion station 200 for inserting a DC (direct current) head on a power supply, automatic insertion equipment 300 for automatically inserting an AC connector, aging test equipment 400 for power supply aging test, detection equipment 500 for detecting the power supply and automatic extraction equipment 600 for automatically removing the AC connector and the DC connector; adopt the assembly line mode to possess the power and carry out automatic assembly and detect, degree of automation is high, and assembly effect is good, can accomplish the automatic test after the assembly, can pack the shipment after can accomplishing the test, compares traditional manual assembly efficiency and further improves, also uses manpower and materials sparingly simultaneously.

Conveying unit 10 is double-deck transport structure setting, and it is formed by the conveyor interconnect of a plurality of groups, adopts bilayer structure can act on the tool and retrieves to the tool can circulation backward flow use, and conveyor installs the velocity of flow that carries out end to end connection realization on every group equipment alone simultaneously and carries earlier, and overall structure comprises delivery support, conveying roller, conveyor motor and conveyer belt, and overall structure is simple and practical, and transmission effect is good.

As shown in fig. 3 to 7, the jig includes an assembly jig 11 and a test jig 12, the assembly jig 11 includes a fixing base 110, at least one set of fixing jig 120 is disposed on the fixing base 110, the fixing jig 120 is provided with a placement groove 121 for placing a product, the fixing jig 120 is provided with at least two sets of jacking positioning assemblies 130 and at least two sets of fixing holes 140, each jacking positioning assembly 130 includes an outer sleeve 131 and a positioning pin 132 which can be lifted and driven to the inner diameter of the outer sleeve 131, a positioning screw 133 is disposed on a side surface of the outer sleeve 131, and the positioning pin 132 is provided with a positioning groove 134 corresponding to the positioning pin 132;

the fixing base 110 is provided with a placing groove 111 for mounting the fixing jig 120, and one side of the placing groove 111 is provided with a supporting plate 112 for supporting the fixing jig 120; the fixing jig 120 is supported and fixed through the supporting plate 112, the fixing effect is good, the fixing precision of a product is enhanced, and the subsequent assembling precision is enhanced.

The supporting plate 112 is provided with a positioning pin 113 for positioning and placing the fixing jig 120, the fixing jig 120 is supported and fixed through the supporting plate 112, the fixing effect is good, the fixing precision of a product is enhanced, and the subsequent assembling precision is enhanced.

One side of the fixing jig 120 is provided with a notch, and the notch is communicated to the placing groove 121 and used for avoiding the product from being used through the notch, and meanwhile, the product connecting line is convenient to guide and use, and the use is convenient.

Jacking locating component 130 and fixed orifices 140 all set up two sets ofly and the slant corresponds and installs in arrangement groove 121, fixed orifices 140 are the screw hole setting, adopt two sets of settings, and it is effectual to the product location, and stability is strong to follow-up assembly is more reliable and more stable.

The T-shaped hole is formed in the placement groove 121, the outer sleeve 131 is fixedly mounted in the T-shaped hole in a T-shaped mode, the first clamping groove 131a is formed in the outer sleeve 131, the first clamping groove 131a is provided with a first clamping spring 131b in a clamping mode to fix the outer sleeve 131 in the T-shaped hole, the stability of assembly is guaranteed through the assembly of the T-shaped hole and the outer sleeve 131, the cooperation of the first clamping groove 131a and the first clamping spring 131b is formed simultaneously, the installation and fixing effects are achieved, the fixing effect is good, and the product is convenient to position.

The inner diameter of the outer sleeve 131 is provided with a second clamping groove 131c, the second clamping groove 131c is provided with a second clamping spring 131d for limiting the positioning pin 132, the second clamping groove 131c is used for fixing the second clamping spring 131d, and the second clamping spring 131d is used for limiting the positioning pin 132 at the inner diameter of the outer sleeve 131 to prevent the positioning pin 132 from falling off, so that the stability of the structure is enhanced.

The positioning screw 133 is a glass bead screw, and the positioning groove 134 is an arc groove; the wave ball screw is a derivative product of the fastening screw, and consists of a spring, a steel ball and a shell, the positioning pin 132 is positioned by combining the steel ball and the arc groove, and the positioning effect is good and the reliability is strong.

The test fixture 12 is provided with a plurality of placing cavities for placing power supplies, and a plurality of connecting plates for connecting the power supplies are arranged on two sides of the placing cavities.

The assembly jig 11 is provided with a fixed seat 110 for supporting and installing the whole structure, at least one group of fixed jigs 120 is placed on the fixed seat 110, specifically, two groups of fixed jigs 120 can be installed simultaneously, and the fixed jigs 120 are positioned and placed so as to facilitate the placement of products; the jacking positioning assembly 130 consists of an outer sleeve 131 and a positioning pin 132, specifically, the positioning pin 132 can be lifted to the inner diameter of the outer sleeve 131, specifically, the positioning pin 132 can be connected with driving assemblies such as an air cylinder and the like to drive the positioning pin 132 to ascend for positioning when a product is loaded and positioned, a screw is driven into the fixing hole 140 after positioning and then driven to descend by the driving assemblies such as the connecting air cylinder and the like, so that the subsequent assembly of the product is facilitated, and the assembly effect is good; a positioning screw 133 is further mounted on the side surface of the outer sleeve 131, and a positioning groove 134 is formed in the positioning needle 132 corresponding to the positioning screw 133, so that the positioning needle 132 and a product are further positioned when positioned, and the positioning effect and the strength are enhanced; the problem of current not enough to product positioning effect is solved, adopted the elevation structure location to combine to lock into the fix with screw to the assembly of follow-up product is used, and positioning effect is good, convenient assembling.

Automatic dress base plate equipment 20 is provided with material taking manipulator 21, material taking manipulator 21 is connected with gets the material support, installs in getting the material cylinder of getting material support two sets of at least, installs in the double acting cylinder that drives actuating cylinder, installs in the material splint of getting of double acting cylinder, it still installs the detection camera lens to get the material support, realizes getting the material equipment automatically through material taking manipulator 21, and the equipment is effectual, and degree of automation is high, sets up and gets material cylinder drive and get material splint and be used for the base plate centre gripping material loading, and the material loading precision is high.

The manual insertion station 30 is provided with a plurality of insertion positioning devices at the lower side of the conveying unit 10, and manual stations are reserved at two sides of the manual insertion station 30 so as to insert the connectors manually.

First lock screw equipment 40 and second lock screw equipment 100 are automatic lock screw equipment, and first lock screw equipment 40 and second lock screw equipment 100 all are provided with a plurality of groups of automatic lock screwdriver and will lock the screw after fixing a position the tool, first lock screw equipment 40 and second lock screw equipment 100 still set up bad sorting device, adopt conventional lock screw equipment to lock the screw in the power assembly, lock the screw effectual, degree of automation is high.

Conversion equipment 60 sets up conversion extracting device, conversion extracting device gets the material at the power of equipment tool 11 and places test fixture 12, specifically adopts the automatic mode of getting to get the material with the power and places test fixture 12 after carrying.

The detection equipment 500 is fan abnormal sound and fan rotating speed detection equipment 500 and a wind speed detection device, wherein the wind speed detection device is provided with an XYZ transmission module and a detection probe arranged on the XYZ transmission module, and the detection probe is connected with a detection system;

the detection system comprises an abnormal sound control box and a rotating speed detection control box, wherein the abnormal sound control box is provided with abnormal sound detection software, and the abnormal sound sucker is provided with an amplifier connected with the abnormal sound detection software; the rotating speed detection control box is provided with rotating speed detection software, and the detection probe is connected with the rotating speed detection software; the detection is carried out in the production process of the PC power supply, and the detection is applied to detecting the abnormal sound and the rotating speed of the cooling fan and detecting whether the power supply has abnormal conditions or not, so that the detection effect is good, the automation degree is high, and the working efficiency is high.

The principle of abnormal sound detection is as follows: as shown in fig. 13, the sound obtained by the high-sensitivity sound pickup sensing abnormal sound suction cup 610 is filtered by C1 and C2, wherein C1 filters the ultrahigh frequency band, C2 filters the low frequency band, then an amplifier is used for amplifying signals, and finally the signals are filtered by a resistance-capacitance filter circuit and then the ultrahigh frequency signals are sent to an ADC singlechip for processing.

The sound amplifying circuit composed of the commonly used LM386 is referred to and is modified, so that the sound sensitivity of the circuit to people is reduced; an oscilloscope is used for grabbing a circuit label as the output of the ADC, and the waveform change of the circuit when the fan is detected to be shielded by foreign matters can be seen; ADC acquisition circuit output signal carries out certain operation and finally obtains a value, can be used for judging whether the fan is sheltered from by the foreign matter.

The principle of detecting the rotating speed of the fan is as follows: infrared pair tubes were used, as shown in fig. 14, left send tube and right receive tube. The infrared light emitted from the transmitting tube is reflected and received by the receiving tube, the on-resistance of the receiving tube is related to the reflection intensity, and the voltage value at the arrow on fig. 14 changes with the change of the reflection intensity. When the sending pipe and the receiving pipe face to the fan in operation, the signal normally measures a voltage waveform by using an oscilloscope;

as shown in fig. 15, it can be clearly seen that the amount of light reflected from the transmitting tube to the receiving tube is different due to the non-uniform gaps between the fan blades, and the circuit outputs a wavy voltage;

in fig. 15, which is a 7-blade fan, the rotational speed is calculated as: and measuring the time t of 7 groups of wave bands, wherein the rotating speed is 60 (1/t), the value of t in the upper graph is 75ms, and the rotating speed is 800 rpm. The single chip microcomputer measures the rotating speed, the principle is used, the high-speed ADC of the single chip microcomputer is used, the voltage at the position of a red arrow on the schematic diagram is sampled for 1024 times at regular time, two farthest wave troughs are searched according to the sampled data, the distance between the two wave troughs is calculated, and the number of wave crests between the two wave troughs is calculated. Therefore, the rotating speed of a single wave can be calculated and divided by the number of the sheets to obtain the rotating speed of the fan.

As shown in fig. 8 to 12, the automatic extracting apparatus 600 includes an AC removing device 610 and a DC removing device 630; the AC removing device 610 and the DC removing device 630 arranged on the two sides extract the AC joints and the DC joints connected on the test fixture 12, and after extraction is completed, subsequent products can be conveniently discharged; the problem of current to power product test back connector extract the degree of difficulty high is solved, adopted automatic transport, carry out automatic extraction after the location and take off the lower clutch, degree of automation is high, the material resources of using manpower sparingly, work efficiency is high.

The AC removing device 610 includes a longitudinal transmission module 611, a lifting transmission module 612 installed in the longitudinal transmission module 611 in a transmission manner, a transverse transmission module 613 installed in the lifting transmission module 612 in a transmission manner, and a connecting bracket 614 installed in the transverse transmission module 613, wherein a plurality of sets of AC pulling modules 620 for pulling out AC connectors are installed on the connecting bracket 614; specifically, the longitudinal transmission module 611, the lifting transmission module 612 and the transverse transmission module 613 form XYZ three-axis transmission, so that new transmission can be realized in a wider range, the connecting bracket 614 is driven, the AC extraction module 620 is driven to extract an AC connector, the automation degree is high, and the reliability is high; the longitudinal transmission module 611, the lifting transmission module 612 and the transverse transmission module 613 are all linear transmission modules, and adopt a linear module structure, specifically, linear transmission realized by combining a motor-driven screw with a linear guide rail, so that the whole structure has high transmission precision and strong stability.

The AC extraction module 620 comprises a base 621, a front and rear propelling cylinder 622 mounted on the base 621, a clamping cylinder 623 in transmission connection with the front and rear propelling cylinder 622, a clamping plate 624 in driving connection with the clamping cylinder 623, and a baffle 625 mounted on the base 621 corresponding to the clamping plate 624; play the connection installation effect through base 621, the power drive uses when pushing away cylinder 622 effect and extracting around setting, will play the tight effect of extracting of clamp to the AC joint through centre gripping cylinder 623 drive grip block 624, still sets up baffle 625, plays centre gripping limiting displacement to can place the assigned position with the AC joint after the centre gripping is extracted and put, the practicality is strong.

The DC removing device 630 comprises a support frame 631, a pulling-out driving module 632 mounted on the support frame 631, a tightness driving module 633 mounted on the pulling-out driving module 632, and a plurality of groups of DC pulling-out modules 640 mounted on the tightness driving module 633; particularly, the supporting frame 631 supports the installation function, the pulling-out driving module 632 and the elastic driving module 633 respectively pull out and lift the driving function, the pulling-out and elastic driving enables the DC pulling-out module 640 to pull out the DC connector inserted into the product after clamping, and the automation degree is high.

The DC pulling module 640 comprises a transverse guide rail 641, a fine adjustment connecting block 642 mounted on the transverse guide rail 641, a lifting guide 643 mounted on the fine adjustment connecting block 642, and a clamp plate 644 mounted on the lifting guide 643, wherein the clamp plate 644 is provided with a limiting shaft 645 to be connected with the fine adjustment connecting block 642, and the fine adjustment connecting block 642 is further connected with a fixing block through a spring; the clamp plate 644 is connected with a correction block; specifically, the transverse guide rail 641 and the lifting guide rail 643 play a guiding role in transverse and lifting, and the fine adjustment connecting block 642 can enable the clamping plate 644 to be capable of performing fine adjustment, so that the connector can be pulled out by accurate alignment even in the case of slight deviation.

The assembly testing process of the full-automatic power assembly testing line 1 comprises the following steps:

step 1, placing an assembly jig 11 on a conveying unit 10 for conveying, manually placing a lower cover of a power supply on the lower cover when the assembly jig passes through an automatic substrate loading device 20, and then automatically taking a substrate to be placed on the lower cover through the automatic substrate loading device 20 for assembly; step 2, after the assembly of the substrate is finished, the assembly jig 11 is continuously conveyed, and when the assembly jig is conveyed to the manual insertion station 30, a connecting wire or a connector is manually inserted into the jig or the power supply; step 3, fixing and locking the substrate in the lower cover through screws by using first screw locking equipment 40 to finish one-time assembly; step 4, after the assembly jig 11 passes through the reserved station, the assembly jig 11 is converted into the test jig 12 through the conversion equipment 60 through manual detection processing; step 5, binding the power supplies and the jigs one by one through code scanning binding equipment 70 after the conversion of the test jig 12 is finished; step 6, dispensing the positions of the substrates needing dispensing through dispensing equipment 80, and sorting the substrates by detecting poor dispensing after dispensing; step 7, manually clamping an upper cover of the power supply on the power supply at a second reserved station 90 to package the substrate, fixedly locking the upper cover and a lower cover through second screw locking equipment 100 after the package is completed, and performing secondary code scanning binding after the locking; step 8, inserting the DC connector into the test fixture 12 through the insertion station, then inserting the AC connector, and sending the test fixture 12 into the aging test equipment 400 for aging test after the insertion is completed; step 9, testing the power supply through the detection equipment 500 after the aging test is finished, and pulling out the AC connector and the DC connector through the automatic pulling-out equipment 600 after the test is finished; the automatic assembly of whole journey is realized, tests after the completion assembly, and the completion test has direct packing shipment can, degree of automation is high.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims (9)

1. Full-automatic power assembly test wire, its characterized in that: the testing device comprises a conveying unit penetrating through an assembly testing line and a jig which is transmitted to the conveying unit and used for placing a power supply; the assembly test line sequentially comprises automatic substrate assembling equipment for assembling a power substrate on a jig, a manual inserting station for inserting a connector on the jig, first screw locking equipment for locking screws in power assembly, a first reserved station for manual operation, conversion equipment for jig conversion, code scanning binding equipment for scanning codes of the jig, dispensing equipment for dispensing, second reserved station for assembling an upper cover, second screw locking equipment for automatically locking the upper cover, an inserting station for inserting a DC (direct current) head on the power supply, automatic inserting equipment for automatically inserting an AC (alternating current) connector, aging test equipment for power aging test, detection equipment for detecting the power supply, and automatic extracting equipment for automatically removing the AC connector and the DC connector.

2. The fully automatic power assembly test line of claim 1, wherein: the conveying unit is arranged in a double-layer conveying structure and formed by connecting a plurality of groups of conveying devices.

3. The fully automatic power assembly test line of claim 1, wherein: the jig comprises an assembling jig and a testing jig, the assembling jig comprises a fixed seat, at least one group of fixing jigs are placed on the fixed seat, the fixing jigs are provided with placing grooves for placing products, the fixing jigs are provided with at least two groups of jacking positioning assemblies and at least two groups of fixing holes, each jacking positioning assembly comprises an outer sleeve and a positioning pin which can be driven in the inner diameter of the outer sleeve in a lifting mode, a positioning screw is installed on the side face of the outer sleeve, and the positioning pin is provided with a positioning groove corresponding to the positioning pin; the fixing seat is provided with a placing groove for mounting a fixing jig, and a supporting plate for supporting the fixing jig is mounted on one side of the placing groove; the supporting plate is provided with positioning pins for positioning and placing the fixing jig, one side of the fixing jig is provided with a notch, the notch is communicated with the placement groove, the jacking positioning assembly and the fixing holes are respectively provided with two groups and obliquely and correspondingly arranged in the placement groove, the fixing holes are arranged in screw holes, the placement groove is provided with a T-shaped hole, the outer sleeve is fixedly arranged in the T-shaped hole in a T shape, the outer sleeve is provided with a first clamping groove, the first clamping groove is provided with a first clamp spring for fixing the outer sleeve in the T-shaped hole, the inner diameter of the outer sleeve is provided with a second clamping groove, the second clamping groove is provided with a second clamp spring for limiting a positioning needle, the positioning screw is arranged in a glass bead screw manner, and the positioning groove is arranged in an; the test fixture is provided with a plurality of placing cavities for placing the power supply, and a plurality of connecting plates for connecting the power supply are arranged on two sides of the placing cavities.

4. The fully automatic power assembly test line of claim 1, wherein: the automatic substrate loading equipment comprises a material taking manipulator, a material taking support connected with the material taking manipulator, at least two groups of material taking cylinders arranged on the material taking support, a double-acting cylinder arranged on a driving cylinder, and a material taking clamping plate arranged on the double-acting cylinder, wherein the material taking support is also provided with a detection lens.

5. The fully automatic power assembly test line of claim 1, wherein: the manual insertion station is arranged on the lower side of the conveying unit and provided with a plurality of insertion positioning devices, and the two sides of the insertion equipment are reserved with human stations.

6. The fully automatic power assembly test line of claim 1, wherein: first lock screw equipment and second lock screw equipment are automatic lock screw equipment, and first lock screw equipment and second lock screw equipment all are provided with a plurality of groups of automatic lock screwdriver and will lock the screw after to the tool location, first lock screw equipment and second lock screw equipment still set up bad sorting device.

7. The fully automatic power assembly test line of claim 3, wherein: the conversion equipment is provided with a conversion material taking device, and the conversion material taking device takes materials from a power supply of the assembly jig and places the materials to the test jig.

8. The fully automatic power assembly test line of claim 1, wherein: the check out test set is fan abnormal sound, fan rotational speed check out test set, and it includes:

the material taking device is provided with a different sound sucking disc used for detecting different sounds of the power supply fan, and the different sound sucking disc is connected with a detection system;

the wind speed detection device is provided with an XYZ transmission module and a detection probe arranged on the XYZ transmission module, and the detection probe is connected with a detection system;

the detection system comprises an abnormal sound control box and a rotating speed detection control box, wherein the abnormal sound control box is provided with abnormal sound detection software, and the abnormal sound sucker is provided with an amplifier connected with the abnormal sound detection software; the rotating speed detection control box is provided with rotating speed detection software, and the detection probe is connected with the rotating speed detection software.

9. The fully automatic power assembly test line of claim 1, wherein: the automatic pulling-out equipment comprises an AC removing device and a DC removing device;

the AC removing device comprises a longitudinal transmission module, a lifting transmission module, a transverse transmission module and a connecting bracket, wherein the lifting transmission module is arranged on the longitudinal transmission module in a transmission manner, the transverse transmission module is arranged on the lifting transmission module in a transmission manner, the connecting bracket is arranged on the transverse transmission module, and a plurality of groups of AC extracting modules for extracting AC connectors are arranged on the connecting bracket;

the AC extraction module comprises a base, a front propelling cylinder, a rear propelling cylinder, a clamping cylinder and a clamping plate, wherein the front propelling cylinder and the rear propelling cylinder are arranged on the base;

the DC removing device comprises a support frame, a pulling-out driving module arranged on the support frame, a tightness driving module arranged on the pulling-out driving module, and a plurality of groups of DC pulling-out modules arranged on the tightness driving module;

the DC pulling module comprises a fine adjustment connecting block, a lifting guide rail and a clamping plate, wherein the transverse guide rail is arranged on the transverse guide rail; the clamping plate is connected with a correcting block.

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