CN104589042A - Screw hitting assembly line, screw hitting method and automatic screw hitting device - Google Patents
Screw hitting assembly line, screw hitting method and automatic screw hitting device Download PDFInfo
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- CN104589042A CN104589042A CN201410667894.XA CN201410667894A CN104589042A CN 104589042 A CN104589042 A CN 104589042A CN 201410667894 A CN201410667894 A CN 201410667894A CN 104589042 A CN104589042 A CN 104589042A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/04—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for assembling or disassembling parts
- B23P19/06—Screw or nut setting or loosening machines
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/008—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes the parts being continuously transported through the machine during assembling or disassembling
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- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
Abstract
The invention discloses a screw hitting assembly line, a screw hitting method and an automatic screw hitting device. In the screw hitting assembly line, the automatic screw hitting device hits screws on products and detects the torsion or/and rotating depths of the hit screws, first read heads read identity information of the products in memories on automatic screw hitting stations, a controller obtains screw hitting state information of screw hole sites of the products through analysis according to data detected by the automatic screw hitting device and transmits the screw hitting state information of the screw hole sites of the products to a display device after a corresponding relation is established between the screw hitting state information and the corresponding identity information of the products, and the display device displays the screw hitting state information of the screw holes in the products. In this way, the screw hole site states (including the judgment whether screw hitting is missed at the screw hole sites and the judgment whether the hit screws are qualified) of the products can be visually reflected to be referred by manual operation at the follow-up stage, so that the efficiency of hitting the screws is improved.
Description
Technical field
The present invention relates to streamline field in manufacturing industry, being specifically related to a kind of television set, refrigerator, washing machine, mobile phone, computer etc. of being applicable to needs making screw streamline, beating screw method and automatically beat screw device of the product fixed by screw.
Background technology
Current, cost of labor constantly raises, and coastal each labor-intensive enterprises profit is more and more thinner, and for breaking away from the predicament brought thus, enterprise has two kinds of selections usually, and one is that factory migrates inland, to employ lower-cost employee; One adopts automation equipment to replace manually in a large number.At present, coastal a lot of enterprise because consider the problem such as logistics cost, supply chain, factory does not move to the interior but to adopt a large amount of automation equipments to replace artificial.Instantly, just like a raging fire carrying out, when flow production line adopts multiple stage similar automation equipment, just there is the problem of malfunction coefficient in the development of Chinese automation equipment.
For television set enterprise, television set enterprise is typical labor-intensive enterprises, in the production process of LCD TV, its bonnet needs to assemble about 10-24 screws usually, if line tact is 12 seconds, usually need 3-5 each one play the work (that is: being tightened together with screen by bonnet with screw) of rear cover screw.This kind of work can adopt automation equipment completely, and the work of beating rear cover screw is completed by automation equipment, same screw number and beat only need 2 automatically to beat screw equipment can to complete (every platform equipment plays 12 screws), two equipment centralized Control, reasonable distribution, automatically beating screw equipment and playing a screw of upstream, beats the part be left for one of downstream.But equipment always can exist fault, still need an employee to check whether all screws are accomplished fluently (as whether there is sliding tooth, no marking, deflecting) at a station below of 2 equipment.But some screw is in darker counterbore, artificial bad observation, thus make current beat screw streamline to beat screw operating efficiency low.
Summary of the invention
Main purpose of the present invention be to solve current make screw streamline beat the low problem of screw operating efficiency.
For arriving above-mentioned technical purpose, the invention provides one and make screw streamline, described screw streamline of beating comprises:
Product pipeline, is provided with and automatically beats screw station;
Automatically screw device is beaten, corresponding described automatic screw station of beating is arranged, in order to carry out the screw hole position of the described automatic product beaten on screw station playing screw operation, and comprise torsion or/and the detection of screw-in depth to through playing the post-job screw of screw;
The identity information acquisition device of product, comprise and to keep synchronous memory body with corresponding product and be correspondingly located at described automatic the first read head beating screw station, described memory body is in order to the identity information of storage products, and described first read head is in order to read the identity information of the product in described memory body;
Controller, automatically, screw device is beaten and described first read head is electrically connected with described, automatically, beat data that screw device detects according to described and analyze and show that screw status information is beaten in the screw hole position of product, and the identity information that screw status information and corresponding product are beaten in described screw hole position is set up corresponding relation; And,
Display unit, is electrically connected with described controller, in order to show product and screw status information is beaten in screw hole position.
Preferably, described product pipeline comprises carrying the working plate waiting the product playing screw, describedly automatically beat the stopper that screw station is provided with to stop described working plate, described stopper comprises air-cylinder type block piece, the pipeline that the cylinder of described air-cylinder type block piece is connected to source of the gas and the solenoid directional control valve be located on described pipeline, described controller and described solenoid directional control valve are electrically connected, by controlling the commutation of described solenoid directional control valve, the countercheck rod controlling described air-cylinder type block piece moves up and down.
Preferably, described screw streamline of beating also comprises the corresponding described automatic position acquisition device beaten screw station and arrange, described position acquisition device is in order to obtain the position coordinates of the screw hole position of the described automatic product beaten on screw station, described controller is also electrically connected with described position acquisition device, in order to the position coordinates of the screw hole position according to product, control described automatic screw device of beating and play screw operation.
Preferably, described product pipeline also comprises being positioned at describedly automatically to be beaten the artificial of the rear of screw station and beats screw station, the identity information acquisition device of described product also comprises is located at described artificial the second read head beating screw station, described second read head is in order to read the identity information of the product in the described artificial memory body beaten on screw station, described controller is also electrically connected with described second read head, in order to after described second read head reads the identity information of corresponding product, control the display of described display unit to be positioned at and describedly manually to beat product on screw station and screw status information is beaten in screw hole position.
Preferably, the product of described display unit display and screw hole position thereof beat screw state packets of information draw together product drawing and be marked on described product drawing screw hole position place beat screw status indicator.
For arriving above-mentioned technical purpose, the present invention also provides a kind of and beats screw method, comprising:
Step S102: product and coherency are delivered to and automatically beat screw station;
Step S104: the first read head reads the identity information of the product in the described automatic memory body beaten on screw station, and the identity information of product is transferred to controller;
Step S106: automatically beat screw device and carry out playing screw to the described automatic product beaten on screw station, and comprise torsion or/and the detection of screw-in depth to through playing the post-job screw of screw, and transfer to controller by detecting the data obtained;
Step S108: controller is automatically beaten data that screw device detects according to described and analyzed and show that screw status information is beaten in the screw hole position of product, and the identity information screw hole position of described product being beaten screw status information and corresponding product transfers to display unit after setting up corresponding relation;
Step S110: screw status information is beaten in display unit display product and screw hole position thereof.
Preferably, step S106 comprises:
Step S1061: position acquisition device obtains the position coordinates of the screw hole position of the described automatic product beaten on screw station;
Step S1062: the position coordinates of the screw hole position of the product that described controller obtains according to described position acquisition device, controls described automatic screw device of beating and plays screw operation.
Preferably, step S110 comprises:
Step S1101: described automatic product on screw station and the coherency beaten is delivered to and manually beats screw station;
Step S1102: the second read head reads the identity information of the product in the described artificial memory body beaten on screw station, and the identity information of product is transferred to controller;
Step S1103: described controller receives after described second read head reads the identity information of corresponding product, controls described display unit display corresponding product and screw status information is beaten in screw hole position.
Preferably, the product of described display unit display and screw hole position thereof are beaten screw state packets of information and are drawn together the drawing of product and be marked on the screw status indicator at screw hole position place of drawing of described product.
For arriving above-mentioned technical purpose, the present invention also provides a kind of and automatically beats screw device, and described automatic screw device of beating comprises:
Long guideway, presents downward-extension and arranges;
Electric screwdriver, is slidably connected to realize moving up and down with described long guideway;
Drive unit, drives described electric screwdriver to move up and down;
Short lead rail, presents downward-extension and arranges, and be fixedly connected with the holder of described electric screwdriver;
Sleeve, the upper end of described sleeve is sheathed on the periphery of batch bar of described electric screwdriver movably, and the lower end of described sleeve is in order to adsorb and accommodating screw, and described sleeve and described short lead rail are slidably connected to realize moving up and down; And,
Device for detecting distance of travel, in order to detect described sleeve relative to the displacement upwards of described electric screwdriver.
Preferably, the suction nozzle that described sleeve comprises sleeve body and is removably connected with the lower end of described sleeve body, described sleeve body and described short lead rail are slidably connected, described sleeve body is provided with the pore of the inner chamber being communicated with described sleeve body, described pore is connected with extraneous cylinder, the inner chamber of described suction nozzle comprises epimere chamber and hypomere chamber, the cross-sectional area in described hypomere chamber is larger than the cross-sectional area in described epimere chamber, stage portion is formed with the junction between described epimere chamber and described hypomere chamber, described stage portion is in order to when external cylinder passes through described suction screw to described sleeve body air-breathing, abut to carry out spacing to screw with the nut of screw.
Preferably, described automatic screw device of beating also comprises the traveller presenting downward-extension, the upper end of described traveller is fixedly connected with the holder of described electric screwdriver, described sleeve and described traveller are slidably connected, the holder junction of described traveller and described electric screwdriver and and the junction of described sleeve between be arranged with spring.
Preferably, the optoelectronic switch that described device for detecting distance of travel comprises the holder being fixedly installed in described electric screwdriver and the sheet metal be fixedly connected with described sleeve, described optoelectronic switch is in order to detect described sheet metal relative to the displacement upwards of described electric screwdriver.
Provided by the inventionly make screw streamline, beat screw method and automatically beat screw device, beat in screw streamline in described, automatically beat screw device to carry out playing screw operation to product, and comprise torsion or/and the detection of screw-in depth to through playing the post-job screw of screw, first read head reads the identity information of the product in the described automatic memory body beaten on screw station, controller is automatically beaten data that screw device detects according to described and is analyzed and show that screw status information is beaten in the screw hole position of product, and the identity information screw hole position of described product being beaten screw status information and corresponding product transfers to display unit after setting up corresponding relation, screw status information is beaten in display unit display product and screw hole position thereof, thus, the screw hole position state of product is made (to comprise screw hole position whether no marking screw, whether qualifiedly play the post-job screw of screw) can reflect intuitively, for subsequent artefacts's operation reference, thus can the efficiency of playing screw operation be promoted.
Accompanying drawing explanation
Fig. 1 is the structural representation automatically beating screw station beating an embodiment of screw streamline provided by the invention;
Fig. 2 is the control framework schematic diagram making screw streamline shown in Fig. 1;
Fig. 3 is the schematic diagram beating the display interface of the display unit of screw streamline shown in Fig. 1;
Fig. 4 is the automatic structural representation beating an embodiment of screw device provided by the invention;
Fig. 5 for shown in Fig. 4 automatically beat screw device play screw operation time partial schematic diagram;
Fig. 6 is the schematic diagram automatically beating another visual angle of screw device shown in Fig. 4;
Fig. 7 is the schematic flow sheet beating an embodiment of screw method provided by the invention;
Fig. 8 is the schematic flow sheet beating the step S106 of screw method shown in Fig. 7;
Fig. 9 is the schematic flow sheet beating the step S110 of screw method shown in Fig. 7.
The realization of the object of the invention, functional characteristics and advantage will in conjunction with the embodiments, are described further with reference to accompanying drawing.
Detailed description of the invention
Technical scheme of the present invention is further illustrated below in conjunction with Figure of description and specific embodiment.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
The invention provides one and make screw streamline, Fig. 1 to Fig. 3 is an embodiment of making screw streamline provided by the invention.Described screw streamline of beating is applicable to television set, refrigerator, washing machine, mobile phone, computer etc. and needs by the fixing product of screw.
Refer to Fig. 1 to Fig. 2, described screw streamline of beating comprises product pipeline (not shown), automatically beats screw device 200, the identity information acquisition device 300 of product, controller 400 and display unit 500.
Described product pipeline is waited to beat the product of screw for transmitting, and described product pipeline is provided with and automatically beats screw station 100, and described automatic quantity of beating screw station 100 is not limit, the beat can making screw streamline according to described and different.In the present embodiment, described product pipeline is also provided with to carry the working plate 101 waiting the product playing screw, product is carried on described product pipeline by described working plate 101, describedly automatically make stopper 11 and the travel switch 12 that screw station 100 is provided with to stop described working plate 101, described stopper 11 and described travel switch 12 are all electrically connected with described controller 400.Particularly, described stopper 11 comprises air-cylinder type block piece 111 for air-cylinder type stopper 11, the cylinder of described air-cylinder type block piece 111 is connected to the pipeline 112 of source of the gas, and the solenoid directional control valve 113 be located on described pipeline 112, described controller 400 is electrically connected with described solenoid directional control valve 113, commutate by controlling described solenoid directional control valve 113, and the countercheck rod controlling described air-cylinder type block piece 111 moves up and down: when described travel switch 12 detect described working plate 101 move near described stopper 11 time, described controller 400 controls described air-cylinder type block piece 111 and moves up and stop that described working plate 101 is to position product, automatically, beat after screw device 200 dozens of screw operations complete when described, described controller 400 controls described stopper 11 and moves down and allow described working plate 101 pass through with product.
The described automatic corresponding described automatic screw station 100 of beating of screw device 200 of beating is arranged, in order to carry out the screw hole position of the described automatic product beaten on screw station 100 playing screw operation, and comprise torsion or/and the detection of screw-in depth to through playing the post-job screw of screw.Wherein, torsional test is exactly when screw is got to, by applying a certain size torsion, judges whether screw can rotate, and rotates and just represents the sliding tooth of screw, can not rotate and represent normally.Screw-in depth refers to that described screw is screwed into the degree of depth in product, and the screw-in depth for the screw of specific screw hole position is certain.
Fig. 4 to Fig. 6 is an automatic embodiment of beating screw device provided by the invention, described automatic screw device of beating can be used for above-mentionedly beating in screw streamline, obviously, described automatic screw device of beating does not limit the use of and makes screw streamline in above-mentioned, is used for above-mentioned screw streamline of beating and explains below for described automatic screw device of beating:
Refer to Fig. 4 and Fig. 6, described automatic beat screw device 200 comprise all present downward-extension and arrange long guideway 21, short lead rail 22, electric screwdriver 23 and sleeve 24, drive unit (not shown) and device for detecting distance of travel 25.Described electric screwdriver 23 is slidably connected to realize moving up and down with described long guideway 21, particularly, the holder 232 of described electric screwdriver 23 is slidably connected by inverted L shape connecting rod 26 and described long guideway 21, and described drive unit (can be and drive cylinder) drives described electric screwdriver 23 to move up and down.Described short lead rail 22 is fixedly connected with the holder 232 of described electric screwdriver 23, and particularly, described short lead rail 22 is fixedly connected with by the holder 232 of described inverted L shape connecting rod 26 with described electric screwdriver 23.The upper end of described sleeve 24 is sheathed on the periphery of batch bar 231 of described electric screwdriver 23 movably, the lower end of described sleeve 24 is in order to adsorb and accommodating screw, described sleeve 24 is slidably connected to realize moving up and down with described short lead rail 22, described device for detecting distance of travel 25 is in order to detect described sleeve 24 relative to the displacement upwards of described electric screwdriver 23, in the present embodiment, described device for detecting distance of travel 25 comprises the optoelectronic switch 251 of the holder 232 being fixedly installed in described electric screwdriver 23, and the sheet metal 252 to be fixedly connected with described sleeve 24, described optoelectronic switch 251 is in order to detect described sheet metal 252 relative to the displacement upwards of described electric screwdriver 23.
In the present embodiment, described automatic screw device 200 of beating also comprises the traveller 27 presenting downward-extension, the upper end of described traveller 27 is fixedly connected with the holder 232 of described electric screwdriver 23, particularly, the upper end of described traveller 27 is fixedly connected with by the holder 232 of described inverted L shape connecting rod 26 with described electric screwdriver 23.Described sleeve 24 is slidably connected with described traveller 27, and particularly, described sleeve 24 is slidably connected by reverse L type connecting rod 28 and described traveller 27.Holder 232 junction of described traveller 27 and described electric screwdriver 23 and and the junction of described sleeve 24 between be arranged with spring 29, described spring 29 is in a specific relative position in order to remain under described sleeve 24 is not subject to External Force Acting with batch bar 231 of described electric screwdriver 23, also be, make under described sleeve 24 is not subject to External Force Acting, the lower end of batch bar 231 of described electric screwdriver 23 remains same position in described sleeve 24 and initial position.
Described electric screwdriver 23 can be current industry and commonly uses the electric screwdriver 23 having and can regulate torsion, after position got to by screw, the motor of described electric screwdriver 23 applies certain torsion to described batch of bar 231, described batch of bar 231 continues to twist screw, if can rotate, the sliding tooth of screw is described, then, described electric screwdriver 23 exports corresponding data as 0; If can not rotate, say that screw is normal, then, described electric screwdriver 23 exports corresponding data as 1, described electric screwdriver 23 test is beaten the post-job data of screw as 0 or 1 flow to as described in controller 400.
Described sleeve 24 can adopt following structure and can realize adsorbing screw: the suction nozzle 242 that described sleeve 24 comprises sleeve body 241 and is removably connected with the lower end of described sleeve body 241, described sleeve body 241 is slidably connected with described short lead rail 22, described sleeve body 241 is provided with the pore (not shown) of the inner chamber being communicated with described sleeve body 241, and described pore (not shown) is connected with extraneous cylinder.The inner chamber of described suction nozzle 242 comprises epimere chamber 242a and hypomere chamber 242b, the cross-sectional area of described hypomere chamber 242b is larger than the cross-sectional area of described epimere chamber 242a, stage portion 242c is formed with the junction between described epimere chamber 242a and described hypomere chamber 242b, described stage portion 242c is in order to when external cylinder adsorbs screw to described sleeve body 241 air-breathing by described suction nozzle 242, abut to carry out spacing to screw with the nut of screw, for the screw of different length, the height residing for stage portion 242c of described suction nozzle 242 is different.
During use, as described in described drive unit (as cylinder) drives, electric screwdriver 23 is downward, described sleeve 24 is also together downward with described electric screwdriver 23, when the lower end (lower end of usual screw can appear described suction nozzle 242 and arrange) of screw abuts to product, described sleeve 24 is supported by screw and can not continue downwards, and batch bar 231 of described electric screwdriver 23 continues downwards under the driving of described drive unit, thus, batch bar 231 of described electric screwdriver 23 moves relative under described sleeve 24 phase, also namely batch initial position of bar 231 in described sleeve 24 of described electric screwdriver 23 moves down, correspondingly, described sleeve 24 moves up relative to described electric screwdriver 23, when move under batch bar 231 of described electric screwdriver 23 is relative to described sleeve 24 phase dock with the nut of described screw time, namely batch bar 231 of described electric screwdriver 23 is relative to the stage portion 242c place moving to described suction nozzle 242 under described sleeve 24 phase, described sleeve 24 synchronously moves down with batch bar 231 of described electric screwdriver 23, now, relative displacement is not there is in described sleeve 24 with batch bar 231 of described electric screwdriver 23, and now, the motor of described electric screwdriver 23 drives batch bar 231 to start to rotate, described screw turns is driven namely to play screw to make described batch bar 231,
When screw continuation is downward and lower end that is described sleeve 24 is connected on product, described sleeve 24 is supported by product and can not continue downwards, now, batch bar 231 of described electric screwdriver 23 continues to play screw downwards, then batch bar 231 of described electric screwdriver 23 moves relative under described sleeve 24 phase, also namely batch bar 231 of described electric screwdriver 23 moves down from the stage portion 242c place of described suction nozzle 242, correspondingly, described sleeve 24 moves up relative to described electric screwdriver 23, when described electric screwdriver 23 stops playing screw downwards, there is not relative displacement in batch bar 231 and the described sleeve 24 of described electric screwdriver 23.
In the process that described optoelectronic switch 251 moves up at the relatively described electric screwdriver 23 of described sleeve 24, by detecting the relative distance that it moves up of described sheet metal 252, and obtaining the displacement that the relatively described electric screwdriver 23 of described sleeve 24 moves up, the displacement transmission that relatively described for the described sleeve 24 recorded electric screwdriver 23 moves up by described optoelectronic switch 251 gives described controller 400.
From analyzing: the thickness+screw of the nut of the distance-screw the initial position of batch bar 231 of the relatively described electric screwdriver 23 of the screw-in depth=sleeve 24 displacement-electric screwdriver 23 upwards of screw to suction nozzle 242 lower end manifests the length of described suction nozzle 242 downwards, therefore, when designing, the Design of length that only screw need be manifested described suction nozzle 242 downwards equals the thickness of the nut of screw, then, distance between the initial position of batch bar 231 of the relatively described electric screwdriver 23 of the screw-in depth=sleeve 24 displacement-electric screwdriver 23 upwards of described screw to suction nozzle 242 lower end, in the present embodiment, Design of length screw being manifested described suction nozzle 242 downwards equals the thickness of the nut of screw.
Refer to Fig. 1 to Fig. 3, the identity information acquisition device 300 of described product comprises and to keep synchronous memory body with corresponding product and be correspondingly located at described automatic the first read head beating screw station 100, described memory body is in order to the identity information of storage products, and described first read head is in order to read the identity information of the product in described memory body.In the present embodiment, the identity information acquisition device 300 of described product can be RFID (Radio Frequency Identification, radio frequency identification) read write line, wherein, described first read head can be RFID identifier, and described memory body can be RFID label tag, and described first read head is fixed at the described automatic below beating screw station 100, described memory body is located on described working plate 101, and the identity information of described product can comprise the model of product.
Described controller 400 beats screw device 200 and described first read head is electrically connected automatically with described, automatically, beat data that screw device 200 detects according to described and analyze and show that screw status information is beaten in the screw hole position of product, and the identity information that screw status information and corresponding product are beaten in described screw hole position is set up corresponding relation.
In the present embodiment, the data that the described automatic torsional test beating screw device 200 draws are 1 or 0, described controller 400 directly can judge whether sliding tooth according to the data that torsional test draws, particularly, represent normal when the data that torsional test draws are 1, represent sliding tooth when the data that torsional test draws are 0.It is the displacement that the relatively described electric screwdriver 23 of described sleeve 24 moves up that described automatic screw-in depth of beating screw device 200 tests the data drawn, distance (consulting Fig. 4 and Fig. 5 further) between the initial position of described controller 400 batch bar 231 of the relatively described electric screwdriver 23 of the screw-in depth=sleeve 24 of screw displacement-electric screwdriver 23 upwards according to formula to suction nozzle 242 lower end, just can obtain the screw-in depth of the screw recorded, size between the screw-in depth of the screw that described controller 400 sets with corresponding screw hole position according to the screw-in depth of the screw recorded, just can judge whether screw gets to position, particularly, when the screw-in depth of the screw of the setting of the screw-in depth=corresponding screw hole position of the screw recorded, then, judge that playing screw puts in place, when the screw-in depth of the screw recorded is less than the screw-in depth of the screw of the setting of corresponding screw hole position, then, judge that playing screw does not put in place.What draw screw hole position after the analysis of described controller 400 has judged beats screw status information, and the identity information beating screw status information and corresponding product of screw hole position is set up corresponding relation, wherein, described screw hole position beat screw state packets of information draw together corresponding screw hole position the no sliding tooth of screw and screw in whether put in place.
Described display unit 500 and described controller 400 are electrically connected, in order to show described product and screw status information is beaten in screw hole position.In the present embodiment, specifically consult Fig. 3, described product and screw hole position thereof are beaten screw state packets of information and are drawn together the drawing of product and be marked on the screw status indicator at screw hole position place of drawing of described product, described screw status indicator can comprise the mark (not having the described automatic screw hole position beating the data that screw device 200 detects to be no marking screw) of no marking screw, beat the mark of screw defective (comprising the inadequate and sliding tooth of screw-in depth) and beat the qualified mark of screw, different Fill Colors can be selected or/and displays such as images for often kind of mark, as in diagram, what select is different figures.
Beat in screw streamline in provided by the invention, the screw hole position state of product (comprise screw hole position whether no marking screw, whether play the post-job screw of screw qualified) can reflect intuitively, for subsequent artefacts's operation reference, thus the efficiency of playing screw operation can be promoted.
In the present embodiment, described screw streamline of beating also comprises the corresponding described automatic position acquisition device 600 beaten screw station 100 and arrange, described position acquisition device 600 is in order to obtain the position coordinates of the screw hole position of the described automatic product beaten on screw station 100, described controller 400 is also electrically connected with described position acquisition device 600, in order to the position coordinates of the screw hole position according to product, control describedly automatically to play screw device 200 dozens of screw operations.In the present embodiment, described position acquisition device 600 can the laser vision system of comparative maturity at present.
In the present embodiment, described product pipeline also comprises being positioned at describedly automatically to be beaten the artificial of the rear of screw station 100 and beats screw station (not shown), the identity information acquisition device 300 of described product also comprises is located at described artificial the second read head beating screw station, described second read head is in order to read the identity information of the product in the described artificial memory body beaten on screw station, described controller 400 is also electrically connected with described second read head, in order to after described second read head reads the identity information of corresponding product, control the display of described display unit 500 to be positioned at and describedly manually to beat product on screw station and screw status information is beaten in screw hole position.In the present embodiment, described second read head can be RFID identifier, thus, product be transported to described artificial beat screw station time, screw status information is beaten in the screw hole position that described display unit 500 display is positioned at the described artificial product beaten on screw station, and operating personnel directly according to the screw status indicator at the screw hole position place that product drawing shows, and can judge that the screw at which screw hole position place has problem, and corresponding screw hole position can be found fast, to promote lock screw efficiency.
The present invention also provides a kind of and beats screw method, Fig. 7 and Fig. 9 is an embodiment of beating screw method provided by the invention, and described screw method of beating comprises the following steps:
Step S102: product and coherency are delivered to and automatically beat screw station 100.
Please wait to beat the product of screw for transmitting by product pipeline described in composition graphs 1 to Fig. 2 further, and described product pipeline is provided with and automatically beats screw station 100, described automatic quantity of beating screw station 100 is not limit, the beat can making screw streamline according to described and different.In the present embodiment, described product pipeline is also provided with to carry the working plate 101 waiting the product playing screw, product is carried on described product pipeline by described working plate 101, describedly automatically make stopper 11 and the travel switch 12 that screw station 100 is provided with to stop described working plate 101, described stopper 11 and described travel switch 12 are all electrically connected with described controller 400.Particularly, described stopper 11 comprises air-cylinder type block piece 111 for air-cylinder type stopper 11, the cylinder of described air-cylinder type block piece 111 is connected to the pipeline 112 of source of the gas, and the solenoid directional control valve 113 be located on described pipeline 112, described controller 400 is electrically connected with described solenoid directional control valve 113, commutate by controlling described solenoid directional control valve 113, and the countercheck rod controlling described air-cylinder type block piece 111 moves up and down: when described travel switch 12 detect described working plate 101 move near described stopper 11 time, described controller 400 controls described air-cylinder type block piece 111 and moves up and stop that described working plate 101 is to position product, automatically, beat after screw device 200 dozens of screw operations complete when described, described controller 400 controls described stopper 11 and moves down and allow described working plate 101 pass through with product.
Step S104: the first read head reads the identity information of the product in the described automatic memory body beaten on screw station 100, and the identity information of product is transferred to controller 400.
Please composition graphs 1 to Fig. 3 further, in the present embodiment, the identity information acquisition device 300 of described product can be RFID (Radio Frequency Identification, radio frequency identification) read write line, wherein, described first read head can be RFID identifier, described memory body can be RFID label tag, described first read head is fixed at the described automatic below beating screw station 100, described memory body is located on described working plate 101, and the identity information of described product can comprise the model of product.
Step S106: automatically beat screw device 200 and carry out playing screw to the described automatic product beaten on screw station 100, and comprise torsion or/and the detection of screw-in depth to through playing the post-job screw of screw, and transfer to controller 400 by detecting the data obtained.
Please composition graphs 4 to Fig. 6 further, the present invention, provide a kind of can be used for above-mentioned beat screw method automatically beat screw device 200, obviously, described automatic screw device 200 of beating does not limit the use of in step S106, explains below for described automatic screw device 200 of beating for step S106:
Refer to Fig. 4 and Fig. 6, described automatic beat screw device 200 comprise all present downward-extension and arrange long guideway 21, short lead rail 22, electric screwdriver 23 and sleeve 24, drive unit (not shown) and device for detecting distance of travel 25.Described electric screwdriver 23 is slidably connected to realize moving up and down with described long guideway 21, particularly, the holder 232 of described electric screwdriver 23 is slidably connected by inverted L shape connecting rod 26 and described long guideway 21, and described drive unit (can be and drive cylinder) drives described electric screwdriver 23 to move up and down.Described short lead rail 22 is fixedly connected with the holder 232 of described electric screwdriver 23, and particularly, described short lead rail 22 is fixedly connected with by the holder 232 of described inverted L shape connecting rod 26 with described electric screwdriver 23.The upper end of described sleeve 24 is sheathed on the periphery of batch bar 231 of described electric screwdriver 23 movably, the lower end of described sleeve 24 is in order to adsorb and accommodating screw, described sleeve 24 is slidably connected to realize moving up and down with described short lead rail 22, described device for detecting distance of travel 25 is in order to detect described sleeve 24 relative to the displacement upwards of described electric screwdriver 23, in the present embodiment, described device for detecting distance of travel 25 comprises the optoelectronic switch 251 of the holder 232 being fixedly installed in described electric screwdriver 23, and the sheet metal 252 to be fixedly connected with described sleeve 24, described optoelectronic switch 251 is in order to detect described sheet metal 252 relative to the displacement upwards of described electric screwdriver 23.
In the present embodiment, described automatic screw device 200 of beating also comprises the traveller 27 presenting downward-extension, the upper end of described traveller 27 is fixedly connected with the holder 232 of described electric screwdriver 23, particularly, the upper end of described traveller 27 is fixedly connected with by the holder 232 of described inverted L shape connecting rod 26 with described electric screwdriver 23.Described sleeve 24 is slidably connected with described traveller 27, and particularly, described sleeve 24 is slidably connected by reverse L type connecting rod 28 and described traveller 27.Holder 232 junction of described traveller 27 and described electric screwdriver 23 and and the junction of described sleeve 24 between be arranged with spring 29, described spring 29 is in a specific relative position in order to remain under described sleeve 24 is not subject to External Force Acting with batch bar 231 of described electric screwdriver 23, also be, make under described sleeve 24 is not subject to External Force Acting, the lower end of batch bar 231 of described electric screwdriver 23 remains same position in described sleeve 24 and initial position.
Described electric screwdriver 23 can be current industry and commonly uses the electric screwdriver 23 having and can regulate torsion, after position got to by screw, the motor of described electric screwdriver 23 applies certain torsion to described batch of bar 231, described batch of bar 231 continues to twist screw, if can rotate, the sliding tooth of screw is described, then, described electric screwdriver 23 exports corresponding data as 0; If can not rotate, say that screw is normal, then, described electric screwdriver 23 exports corresponding data as 1, described electric screwdriver 23 test is beaten the post-job data of screw as 0 or 1 flow to as described in controller 400.
Described sleeve 24 can adopt following structure and can realize adsorbing screw: the suction nozzle 242 that described sleeve 24 comprises sleeve body 241 and is removably connected with the lower end of described sleeve body 241, described sleeve body 241 is slidably connected with described short lead rail 22, described sleeve body 241 is provided with the pore (not shown) of the inner chamber being communicated with described sleeve body 241, and described pore (not shown) is connected with extraneous cylinder.The inner chamber of described suction nozzle 242 comprises epimere chamber 242a and hypomere chamber 242b, the cross-sectional area of described hypomere chamber 242b is larger than the cross-sectional area of described epimere chamber 242a, stage portion 242c is formed with the junction between described epimere chamber 242a and described hypomere chamber 242b, described stage portion 242c is in order to when external cylinder adsorbs screw to described sleeve body 241 air-breathing by described suction nozzle 242, abut to carry out spacing to screw with the nut of screw, for the screw of different length, the height residing for stage portion 242c of described suction nozzle 242 is different.
During use, as described in described drive unit (as cylinder) drives, electric screwdriver 23 is downward, described sleeve 24 is also together downward with described electric screwdriver 23, when the lower end (lower end of usual screw can appear described suction nozzle 242 and arrange) of screw abuts to product, described sleeve 24 is supported by screw and can not continue downwards, and batch bar 231 of described electric screwdriver 23 continues downwards under the driving of described drive unit, thus, batch bar 231 of described electric screwdriver 23 moves relative under described sleeve 24 phase, also namely batch initial position of bar 231 in described sleeve 24 of described electric screwdriver 23 moves down, correspondingly, described sleeve 24 moves up relative to described electric screwdriver 23, when move under batch bar 231 of described electric screwdriver 23 is relative to described sleeve 24 phase dock with the nut of described screw time, namely batch bar 231 of described electric screwdriver 23 is relative to the stage portion 242c place moving to described suction nozzle 242 under described sleeve 24 phase, described sleeve 24 synchronously moves down with batch bar 231 of described electric screwdriver 23, now, relative displacement is not there is in described sleeve 24 with batch bar 231 of described electric screwdriver 23, and now, the motor of described electric screwdriver 23 drives batch bar 231 to start to rotate, described screw turns is driven namely to play screw to make described batch bar 231,
When screw continuation is downward and lower end that is described sleeve 24 is connected on product, described sleeve 24 is supported by product and can not continue downwards, now, batch bar 231 of described electric screwdriver 23 continues to play screw downwards, then batch bar 231 of described electric screwdriver 23 moves relative under described sleeve 24 phase, also namely batch bar 231 of described electric screwdriver 23 moves down from the stage portion 242c place of described suction nozzle 242, correspondingly, described sleeve 24 moves up relative to described electric screwdriver 23, when described electric screwdriver 23 stops playing screw downwards, there is not relative displacement in batch bar 231 and the described sleeve 24 of described electric screwdriver 23.
In the process that described optoelectronic switch 251 moves up at the relatively described electric screwdriver 23 of described sleeve 24, by detecting the relative distance that it moves up of described sheet metal 252, and obtaining the displacement that the relatively described electric screwdriver 23 of described sleeve 24 moves up, the displacement transmission that relatively described for the described sleeve 24 recorded electric screwdriver 23 moves up by described optoelectronic switch 251 gives described controller 400.
From analyzing: the thickness+screw of the nut of the distance-screw the initial position of batch bar 231 of the relatively described electric screwdriver 23 of the screw-in depth=sleeve 24 displacement-electric screwdriver 23 upwards of screw to suction nozzle 242 lower end manifests the length of described suction nozzle 242 downwards, therefore, when designing, the Design of length that only screw need be manifested described suction nozzle 242 downwards equals the thickness of the nut of screw, then, distance between the initial position of batch bar 231 of the relatively described electric screwdriver 23 of the screw-in depth=sleeve 24 displacement-electric screwdriver 23 upwards of described screw to suction nozzle 242 lower end, in the present embodiment, Design of length screw being manifested described suction nozzle 242 downwards equals the thickness of the nut of screw.
Step S108: controller 400 is automatically beaten data that screw device 200 detects according to described and analyzed and show that screw status information is beaten in the screw hole position of product, and the identity information screw hole position of described product being beaten screw status information and corresponding product transfers to display unit 500 after setting up corresponding relation.
Further combined with Fig. 1 to Fig. 3, in the present embodiment, the data that the described automatic torsional test beating screw device 200 draws are 1 or 0, described controller 400 directly can judge whether sliding tooth according to the data that torsional test draws, particularly, represent normal when the data that torsional test draws are 1, represent sliding tooth when the data that torsional test draws are 0.It is the displacement that the relatively described electric screwdriver 23 of described sleeve 24 moves up that described automatic screw-in depth of beating screw device 200 tests the data drawn, distance (consulting Fig. 4 and Fig. 5 further) between the initial position of described controller 400 batch bar 231 of the relatively described electric screwdriver 23 of the screw-in depth=sleeve 24 of screw displacement-electric screwdriver 23 upwards according to formula to suction nozzle 242 lower end, just can obtain the screw-in depth of the screw recorded, size between the screw-in depth of the screw that described controller 400 sets with corresponding screw hole position according to the screw-in depth of the screw recorded, just can judge whether screw gets to position, particularly, when the screw-in depth of the screw of the setting of the screw-in depth=corresponding screw hole position of the screw recorded, then, judge that playing screw puts in place, when the screw-in depth of the screw recorded is less than the screw-in depth of the screw of the setting of corresponding screw hole position, then, judge that playing screw does not put in place.What draw screw hole position after the analysis of described controller 400 has judged beats screw status information, and the identity information beating screw status information and corresponding product of screw hole position is set up corresponding relation, wherein, described screw hole position beat screw state packets of information draw together corresponding screw hole position the no sliding tooth of screw and screw in whether put in place.
Step S110: screw status information is beaten in the screw hole position that display unit 500 shows product.
Further combined with Fig. 3, in the present embodiment, described product and screw hole position thereof are beaten screw state packets of information and are drawn together the drawing of product and be marked on the screw status indicator at screw hole position place of drawing of described product, described screw status indicator can comprise the mark (not having the described automatic screw hole position beating the data that screw device 200 detects to be no marking screw) of no marking screw, beat the mark of screw defective (comprising the inadequate and sliding tooth of screw-in depth) and beat the qualified mark of screw, different Fill Colors can be selected or/and displays such as images for often kind of mark, as in diagram, what select is different figures.
In the present embodiment, step S106 comprises:
Step S1061: position acquisition device 600 obtains the position coordinates of the screw hole position of the described automatic product beaten on screw station 100, in the present embodiment, described position acquisition device 600 can the laser vision system of comparative maturity at present.
Step S1062: the position coordinates of the screw hole position of the product that described controller 400 obtains according to described position acquisition device 600, controls describedly automatically to play screw device 200 dozens of screw operations.
In the present embodiment, step S110 comprises:
Step S1101: described automatic product on screw station 100 and the coherency beaten is delivered to and manually beats screw station;
Step S1102: the second read head reads the identity information of the product in the described artificial memory body beaten on screw station, and the identity information of product is transferred to controller 400;
Step S1103: described controller 400 receives after described second read head reads the identity information of corresponding product, controls described display unit 500 and shows corresponding product and screw status information is beaten in screw hole position.
In the present embodiment, described second read head can be RFID identifier, thus, product be transported to described artificial beat screw station time, screw status information is beaten in the screw hole position that described display unit 500 display is positioned at the described artificial product beaten on screw station, and operating personnel directly according to the screw status indicator at the screw hole position place that product drawing shows, and can judge that the screw at which screw hole position place has problem, and corresponding screw hole position can be found fast, to promote lock screw efficiency.
These are only the preferred embodiments of the present invention; not thereby its scope of the claims is limited; every utilize description of the present invention and accompanying drawing content to do equivalent structure or equivalent flow process conversion; directly or indirectly be used in the technical field that other are relevant, be all in like manner included in scope of patent protection of the present invention.
Claims (13)
1. make a screw streamline, it is characterized in that, described screw streamline of beating comprises:
Product pipeline, for transmitting the product waiting to play screw, being provided with and automatically beating screw station;
Automatically screw device is beaten, corresponding described automatic screw station of beating is arranged, in order to carry out the screw hole position of the described automatic product beaten on screw station playing screw operation, and to passing through the detection of playing the post-job screw of screw and comprising torsion and/or screw-in depth;
The identity information acquisition device of product, comprise and to keep synchronous memory body with corresponding product and be correspondingly located at described automatic the first read head beating screw station, described memory body is in order to the identity information of storage products, and described first read head is in order to read the identity information of the product in described memory body;
Controller, automatically, screw device is beaten and described first read head is electrically connected with described, automatically, beat data that screw device detects according to described and analyze and show that screw status information is beaten in the screw hole position of product, and the identity information that screw status information and corresponding product are beaten in described screw hole position is set up corresponding relation; And,
Display unit, is electrically connected with described controller, in order to show product and screw status information is beaten in screw hole position.
2. make screw streamline as claimed in claim 1, it is characterized in that, described product pipeline comprises carrying the working plate waiting the product playing screw, describedly automatically beat the stopper that screw station is provided with to stop described working plate, described stopper comprises air-cylinder type block piece, the cylinder of described air-cylinder type block piece is connected to the pipeline of source of the gas, and the solenoid directional control valve be located on described pipeline, described controller and described solenoid directional control valve are electrically connected, by controlling the commutation of described solenoid directional control valve, the countercheck rod controlling described air-cylinder type block piece moves up and down.
3. make screw streamline as claimed in claim 1, it is characterized in that, described screw streamline of beating also comprises the corresponding described automatic position acquisition device beaten screw station and arrange, described position acquisition device is in order to obtain the position coordinates of the screw hole position of the described automatic product beaten on screw station, described controller is also electrically connected with described position acquisition device, in order to the position coordinates of the screw hole position according to product, control described automatic screw device of beating and play screw operation.
4. make screw streamline as claimed in claim 1, it is characterized in that, described product pipeline also comprises being positioned at describedly automatically to be beaten the artificial of the rear of screw station and beats screw station, the identity information acquisition device of described product also comprises is located at described artificial the second read head beating screw station, described second read head is in order to read the identity information of the product in the described artificial memory body beaten on screw station, described controller is also electrically connected with described second read head, in order to after described second read head reads the identity information of corresponding product, control the display of described display unit to be positioned at and describedly manually to beat product on screw station and screw status information is beaten in screw hole position.
5. make screw streamline as claimed in claim 1, it is characterized in that, the product of described display unit display and screw hole position thereof beat screw state packets of information draw together product drawing and be marked on described product drawing screw hole position place beat screw status indicator.
6. beat a screw method, it is characterized in that, described screw method of beating comprises:
Step S102: product and coherency are delivered to and automatically beat screw station;
Step S104: the first read head reads the identity information of the product in the described automatic memory body beaten on screw station, and the identity information of product is transferred to controller;
Step S106: automatically beat screw device and carry out playing screw to the described automatic product beaten on screw station, and comprise torsion or/and the detection of screw-in depth to through playing the post-job screw of screw, and transfer to controller by detecting the data obtained;
Step S108: controller is automatically beaten data that screw device detects according to described and analyzed and show that screw status information is beaten in the screw hole position of product, and the identity information screw hole position of described product being beaten screw status information and corresponding product transfers to display unit after setting up corresponding relation;
Step S110: screw status information is beaten in display unit display product and screw hole position thereof.
7. beat screw method as claimed in claim 6, it is characterized in that, step S106 comprises:
Step S1061: position acquisition device obtains the position coordinates of the screw hole position of the described automatic product beaten on screw station;
Step S1062: the position coordinates of the screw hole position of the product that described controller obtains according to described position acquisition device, controls described automatic screw device of beating and plays screw operation.
8. beat screw method as claimed in claim 6, it is characterized in that, step S110 comprises:
Step S1101: described automatic product on screw station and the coherency beaten is delivered to and manually beats screw station;
Step S1102: the second read head reads the identity information of the product in the described artificial memory body beaten on screw station, and the identity information of product is transferred to controller;
Step S1103: described controller receives after described second read head reads the identity information of corresponding product, controls described display unit display corresponding product and screw status information is beaten in screw hole position.
9. beat screw method as claimed in claim 6, it is characterized in that, the product of described display unit display and screw hole position thereof are beaten screw state packets of information and are drawn together the drawing of product and be marked on the screw status indicator at screw hole position place of drawing of described product.
10. automatically beat a screw device, it is characterized in that, described automatic screw device of beating comprises:
Long guideway, presents downward-extension and arranges;
Electric screwdriver, is slidably connected to realize moving up and down with described long guideway;
Drive unit, drives described electric screwdriver to move up and down;
Short lead rail, presents downward-extension and arranges, and be fixedly connected with the holder of described electric screwdriver;
Sleeve, the upper end of described sleeve is sheathed on the periphery of batch bar of described electric screwdriver movably, and the lower end of described sleeve is in order to adsorb and accommodating screw, and described sleeve and described short lead rail are slidably connected to realize moving up and down; And,
Device for detecting distance of travel, in order to detect described sleeve relative to the displacement upwards of described electric screwdriver.
11. beat screw device as claimed in claim 10 automatically, it is characterized in that, the suction nozzle that described sleeve comprises sleeve body and is removably connected with the lower end of described sleeve body, described sleeve body and described short lead rail are slidably connected, described sleeve body is provided with the pore of the inner chamber being communicated with described sleeve body, described pore is connected with extraneous cylinder, the inner chamber of described suction nozzle comprises epimere chamber and hypomere chamber, the cross-sectional area in described hypomere chamber is larger than the cross-sectional area in described epimere chamber, stage portion is formed with the junction between described epimere chamber and described hypomere chamber, described stage portion is in order to when external cylinder passes through described suction screw to described sleeve body air-breathing, abut to carry out spacing to screw with the nut of screw.
12. beat screw device as claimed in claim 10 automatically, it is characterized in that, described automatic screw device of beating also comprises the traveller presenting downward-extension, the upper end of described traveller is fixedly connected with the holder of described electric screwdriver, described sleeve and described traveller are slidably connected, the holder junction of described traveller and described electric screwdriver and and the junction of described sleeve between be arranged with spring.
13. beat screw device as claimed in claim 10 automatically, it is characterized in that, the optoelectronic switch that described device for detecting distance of travel comprises the holder being fixedly installed in described electric screwdriver and the sheet metal be fixedly connected with described sleeve, described optoelectronic switch is in order to detect described sheet metal relative to the displacement upwards of described electric screwdriver.
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|---|---|---|---|
| CN201410667894.XA CN104589042B (en) | 2014-11-20 | 2014-11-20 | Screw streamline is made, screw method is beaten and beats screw device automatically |
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|---|---|---|---|
| CN201410667894.XA CN104589042B (en) | 2014-11-20 | 2014-11-20 | Screw streamline is made, screw method is beaten and beats screw device automatically |
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| CN104589042A true CN104589042A (en) | 2015-05-06 |
| CN104589042B CN104589042B (en) | 2017-12-08 |
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| CN114353724B (en) * | 2022-01-17 | 2024-04-26 | 武汉锐科光纤激光技术股份有限公司 | Screw driving detection method and screw driving device |
| CN114505678A (en) * | 2022-02-21 | 2022-05-17 | 上海汇大机械制造有限公司 | Screw assembly control method and system |
| CN116754202A (en) * | 2023-06-19 | 2023-09-15 | 浙江繁荣电气股份有限公司 | Screw structure fastening detection device and system |
| CN116754202B (en) * | 2023-06-19 | 2023-11-17 | 浙江繁荣电气股份有限公司 | Screw structure fastening detection device and system |
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