CN207557507U - Project-welding nut automatic detection system - Google Patents
Project-welding nut automatic detection system Download PDFInfo
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- CN207557507U CN207557507U CN201721613293.6U CN201721613293U CN207557507U CN 207557507 U CN207557507 U CN 207557507U CN 201721613293 U CN201721613293 U CN 201721613293U CN 207557507 U CN207557507 U CN 207557507U
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Abstract
The utility model discloses a kind of project-welding nut automatic detection system, including：Rack, top are provided with reference seat；Slide way mechanism is set in the reference seat, and the slide way mechanism has the slideway along slip for the project-welding nut；Snap-gauge elevating mechanism below the slideway, for the fixed project-welding nut being located on the slideway and is moved up；Snap-gauge translation mechanism, for clamping the project-welding nut being located on the snap-gauge elevating mechanism and being moved to test position；It detects bolt and screws in mechanism, for that will detect bolt screw-in positioned at the project-welding nut of the test position and be detected；And spot welding intensity detection mechanism, for detecting spot welding intensity to project-welding nut application applied external force.The utility model is easy to implement the automation mechanized operation of project-welding nut detection.
Description
Technical field
The utility model is related to a kind of detection device, it particularly relates to a kind of project-welding nut automatic detection system.
Background technology
Project-welding nut is mainly used for the stamping parts of welding low-carbon steel and low-alloy steel.In parts industry, projection welding
Connecting mode has the advantages of many：Multiple solder joints can be welded simultaneously in a weld cycle.Not only productivity is high, but also does not have
Shunt influence.Therefore can be arranged on narrow position solder joint without receptor site away from limitation.Since current density combines in salient point, electricity
Current density is big, therefore can be welded with smaller electric current, and can be reliably formed smaller nugget.In spot welding, corresponding Mr. Yu
One plate thickness, the nugget that formed less than a certain size are highly difficult.The position of salient point is accurate, size is consistent, the intensity of each point
Than more uniform.Therefore spot welding can be less than for given intensity, the size of projection welding spot.Due to using big plane electrode, and
Salient point is set on an object, so can mitigate the impression on another workpiece exposed surface to the maximum extent.Big plane simultaneously
The current density of electrode is small, good heat dissipation, and the abrasion of electrode is more much smaller than spot welding, thus greatly reduces maintenance and the dimension of electrode
Repair expense.Compared with spot welding, the influence of the oil, rust, oxide skin, coating and other coatings of workpiece surface to projection welding is smaller, but dry
Net surface remains to obtain relatively stable quality.Since projection welding there are above-mentioned a variety of advantages, thus obtain a very wide range of application.But
Its there are one it is apparent the shortcomings that, project-welding nut in the welding process, high-tension current by and pressurization when can generate spot welding welding slag
Splashing, the probability that these welding slags have a ten thousandth glues and pays on the screw thread of nut, causes bolt that can not be screwed into；And point
In weldering production, because air pressure is with electric current, the intensity when factors also will appear spot welding is insufficient, and project-welding nut rosin joint and dry joint cause to produce
The abnormal defect that nut comes off when product assemble.
As shown in Figure 1, project-welding nut and the welding slag on nuts of metal plate point postwelding and the inspection of intensity used by for the prior art
Survey mode, the detection operation mainly by manual operation, including：Product 1 ', thread measurement go-no go gauge 2 ' and spot welding intensity detection block
3’；Operator's hand holds product 1 ' when welding slag detects, and is screwed into project-welding nut screw thread with thread measurement go-no go gauge 2 ', screws in screw thread
3-5 circle detections, without welding slag if it can be screwed into product, otherwise there is welding slag；Operator examines spot welding intensity during spot welding intensity detection
It surveys block 3 ' to be screwed into product 1 ' and fasten motionless, is integrally put into universal strength tester and carries out the test of spot welding strength failure,
Judge whether spot welding intensity is qualified by calculating average value.But both methods is required for manual operation, and the product is
During full inspection, relatively complicated, operator's labor is operated to screw thread welding slag and the realization of spot welding intensity one by one for large quantities of mass productions
Fatigue resistance is big, is affected by artificial subjective factor, and structural stability is poor；Moreover, when being threaded into go-no go gauge, beat is acted
Time can not shorten, and cause whole production efficiency more relatively low.
More than project-welding nut screw thread has welding slag and spot welding intensity deficiency etc. abnormal, makes the product quality unqualified, and vapour
Its quality management system of garage's industry has higher requirement, and this weld defect can generate customer complaint claim, therefore project-welding nut is in point
Exclusion screw thread is needed to have welding slag and the insufficient faulty goods of spot welding intensity after the completion of weldering production.
Utility model content
The technical problem to be solved by the utility model is in view of the deficienciess of the prior art, provide a kind of convex
Nut automatic detection system is welded, can be convenient for realizing automatic detection to project-welding nut.
In order to solve the above technical problems, the technical solution adopted in the utility model is：A kind of project-welding nut automation inspection
Measurement equipment, including：
Rack, top are provided with reference seat；
Slide way mechanism is set in the reference seat, and the slide way mechanism has for the project-welding nut along cunning
Dynamic slideway；
Snap-gauge elevating mechanism, below the slideway, for the fixed project-welding nut being located on the slideway simultaneously
It is moved up；
Snap-gauge translation mechanism, for clamping the project-welding nut being located on the snap-gauge elevating mechanism and being moved to
Test position；
It detects bolt and screws in mechanism, go forward side by side for bolt screw-in will to be detected positioned at the project-welding nut of the test position
Row detection；And
Spot welding intensity detection mechanism, for detecting spot welding intensity to project-welding nut application applied external force.
Preferably, the slide way mechanism includes sliding slot supporting leg, and the slideway is located above the sliding slot supporting leg, institute
State the centre position of slideway in the width direction be provided with for the snap-gauge elevating mechanism pass through penetrate hole.
Preferably, the side of the slide way mechanism, corresponding to it is described detection bolt below position be provided with bullet
Property detection components and the proximity sensor under the elastomeric check component.
Preferably, the snap-gauge elevating mechanism includes snap-gauge bearing, the block above the snap-gauge bearing,
The block is moved up and down by snap-gauge bearing described in driving mechanism drives edge, and being provided on the block can be convex described in clamping
Weld the card slot of nut.
Preferably, the driving mechanism is cylinder, the piston rod of the cylinder by floating connection block with it is described
The bottom of block is connected.
Preferably, the snap-gauge translation mechanism include fixed pedestal, the slide unit on the fixed pedestal with
And the flat-removing air cyclinder for the slide unit to be driven to move in the horizontal direction, clamping jaw is provided on the slide unit, and the clamping jaw passes through
Vertical cylinder driving moves up and down.
Preferably, the detection device further includes described convex on the snap-gauge translation mechanism for pushing down
The feeding pressure mechanism of nut is welded, the feeding pressure mechanism is set in the slide way mechanism, and the feeding pressure mechanism, which has, to be driven by the cylinder
Fixed substrate, be provided with connecting plate above the fixed substrate, press strip be provided on the connecting plate, is opened on the press strip
Equipped with through-hole.
Preferably, the detection bolt screw-in mechanism includes mechanism fixed seat, in the mechanism fixed seat
The driving mechanism of side and the detection bolt driven by the driving mechanism, the driving mechanism are adjusted high by guide rail cylinder
Degree.
Preferably, transmission rod is provided with above the detection bolt, the spot welding intensity detection mechanism includes
Fixing support rack is provided with leading screw guidance set on the fixing support rack, and the leading screw guidance set is driven by servo motor
Dynamic, the leading screw guidance set is connected with sensor fixed seat, the lower section setting pressure sensor of the sensor fixed seat, institute
State the press rods that the lower section setting of pressure sensor is contacted with the transmission rod.
Preferably, the detection bolt screws in mechanism and further includes main shaft, and the main shaft has hollow cavity, institute
The both ends for stating main shaft set upper end cover and bottom end cover respectively, and the detection bolt is stretched out by the bottom end cover, the detection bolt
The first spring for applying upward elastic force to the detection bolt, the detection spiral shell are provided between the bottom end cover
The second spring for applying downward elastic force to the detection bolt, the power transmission are provided between bolt and the upper end cover
Bar by the upper end cover penetrate the cavity and with the detection threaded bolt contacts.
Preferably, the detection device further includes discharging mechanism, and what the discharging mechanism included being obliquely installed goes out
Expect platform, the discharge pedestal has arrival end and the port of export, and the discharge pedestal forms two tapping channels, institute at the port of export
State discharge pedestal and be provided with demarcation strip at the arrival end, the demarcation strip by the driving mechanism driving that discharges can close it is described go out
Expect one in channel.
Implement the project-welding nut automatic detection system of the utility model, have the advantages that：Project-welding nut detects
In the process product installation and detection realization clamped by machinery, the mode to compare with artificial detection operates more laborsaving, just
Victory improves measurement accuracy and accuracy, also, final measurement result is obtained by network analysis, more reliable and stable, subtracts
The small influence of measurement error and artificial subjective factor to measurement result, ensure that the quality of detection, have using improving product
Qualification rate；In addition, it can detect whether bolt has welding slag and spot welding intensity, two functions simultaneously using the equipment of the utility model
It is realized on a machine, saves production floor space and reduced with operator, greatly reduce production cost, and improve work
Make efficiency.
Description of the drawings
Below in conjunction with accompanying drawings and embodiments, the utility model is described in further detail, in attached drawing：
Fig. 1 is project-welding nut detection used by the prior art；
Fig. 2 is one of dimensional structure diagram of the utility model embodiment；
Fig. 3 is the rack construction schematic diagram of the utility model embodiment；
Fig. 4 is the slide way mechanism part isometric exploded view of the utility model embodiment；
Fig. 5 is the rib elevating mechanism structure diagram of the utility model embodiment；
Fig. 6 is the snap-gauge translation mechanism structure diagram of the utility model embodiment；
Fig. 7 is the feeding pressure mechanism structure diagram of the utility model embodiment；
Fig. 8 is that the detection bolt of the utility model embodiment screws in mechanism structure diagram；
Fig. 9 is the spot welding intensity detection mechanism structure schematic diagram of the utility model embodiment；
Figure 10 is the discharging mechanism structure diagram of the utility model embodiment；
Figure 11 is the human-computer interface device structure diagram of the utility model embodiment；
Figure 12 is the elastomeric check block structure schematic diagram in slide way mechanism in the utility model embodiment；
Figure 13 is that bolt screws in axle construction schematic diagram in the utility model embodiment.
Specific embodiment
In order to which the purpose of this utility model, technical solution and advantage is more clearly understood, with reference to embodiment and attached
The utility model is further described in figure.
As shown in figs. 2-9, for specific embodiment of the utility model, the detection device be exclusively used on snap-gauge project-welding nut from
Dynamicization detects.
The detection device of the present embodiment includes organic frame 1, reference seat 2, slide way mechanism 3, snap-gauge elevating mechanism 4, snap-gauge and puts down
Telephone-moving structure 5, feeding pressure mechanism 6, detection bolt screw in mechanism 7, spot welding intensity detection mechanism 8, discharging mechanism 9 and human-computer interface device
10；Wherein the equipment rack 1 supports be positioned over mill floor as a whole, remaining Ji Zu mechanisms whole positioning and locking is in reference seat
On 2.
Shown in Figure 3, rack is by iron gasket for machine tool 101, equilateral 60X60 square tubes 102, sheet metal shell 103 and electric cabinet
104.Iron gasket for machine tool 101 is mounted on equipment rack bottom, according in actual production process, the uneven adjusting height on ground,
So as to ensure the horizontality of rack and equipment reference seat；Equilateral 60X60 square tubes 102 use the side of high-quality structural steel A3C materials
Pipe is welded, and welding production ensures that rack construction is secured, and frame surface, which sprays out, to be come, and ensures the compound standardized equipment of appearance
Requirement；Sheet metal shell 103 has iron plate laser cutting to roll over, and rack outline border is mostly installed at, because machine frame inside has pneumatically
It with electrical equipment, shields, and can open at any time, facilitate the maintenance during later stage production and application；Electric cabinet 104 belongs to
In standard distributed case, suspension is mounted on Shelf External, for placing the core component of the automatically controlled series such as PLC.
Shown in Figure 4, slide way mechanism is solid by sliding slot bloom 301, elastomeric check block 302, proximity sensor 303 and sensing
Determine block 304 to form.Sliding slot bloom 301 is finished by hard alloy steel material machining center, and trough width size presses product
Size design forms so that product can guarantee precision when sliding slot moves, and can be unlikely to be stuck；Elastomeric check block 302,
Proximity sensor 303 forms small mechanism with sensing fixed block 304 and is bolted on sliding slot bloom 301；Elastomeric check block
302 are made of spring and guide post, in the initial state, are tried hard to keep by spring and hold ejection state, when detection bolt be screwed into it is convex
It is in contact with it after in weldering nut, and compression makes its decline；After certain position is dropped to, proximity sensor 303 can be in contact with it
Inductive signal is generated, so as to judge project-welding nut either with or without welding slag；Detection state has signal then screw thread does not weld for the sensor
Slag, screw thread has welding slag if no signal；Sensing fixed block 304 is formed by linear cutter, for ensureing the accuracy of assembling.
In the mechanism, characteristic innovative point is elastomeric check block 302, and referring to Figure 12, which belongs to widgets, be used for
Detect bolt whether by nut so as to judge whether there is welding slag in screw hole, by jacking block 3021, cylindrical compression spring 3022, chromium plating
Stick 3023, graphite copper sheathing 3024 and fixed block 3025 are composed；The unique structure of the widgets can perfectly realize detection work(
Can, the lower end of graphite copper sheathing is mounted on fixed block 3025, and 3021,3022 be movable device, and 302 be proximity sensor, in circle
Under the elastic force effect of column compressed spring 3022, jacking block 3021 is in raised configuration, when detection bolt 704 is screwed into project-welding nut
Afterwards, jacking block 3021 contacts, and jacking block 3021 is made to continue to decline with detection bolt 704, and letter is sensed then close to sensor 302
Number, and PLC system is fed back to, chrome rod 3023 is selected from the standardization guide fittings of mark diameter 8, the group with graphite copper sheathing 3024
Part component assembly is on fixed block 3025.
Shown in Figure 5, rib elevating mechanism is by block 401, guide post guide sleeve 402, Floating connection block 403, fixed plate 404
It is formed with thin cylinder 405.Baffle 401 adds up to steel material machining center to finish by hard, and interval width is according to product ruler
Very little design ensures the effect of rib and is unlikely to block, and realizes that step pitch moves so as to ensure product in slide way mechanism；Guide post is led
Set 402 is chosen from standard guide fittings, ensures the direction of motion Uniformly stable in lifting action of block 401；Floating connection block 403
Block 401 and thin cylinder 405 are connected, because parts understand different degrees of generation error after process and assemble, according to direct-connected
Mode can lead to stuck situation occur during Telescopic-cylinder, so the effect of Floating connection block 403 is to make stretching for cylinder
What contracting movement can stablize passes out；Fixed plate 404 does mechanism supports effect, and the parts in the mechanism are fixed thereon；It is thin
Type cylinder 405 is standardized pneumatic accessory.
In the mechanism, characteristic innovative point is block 401 and Floating connection block 403, and wherein block 401 is according to product width
Size is pressed maximum material principle in geometric tolerance and is designed, and the barrier width of the part is enable perfectly to be suitable for product, makes positioning
It is accurate to stablize；Floating connection block 403 is formed using nonstandard special designing, because in air rammer band connecting mode, it will usually select
Standardization Floating connection part carrys out transition installation, has eliminated because the error in manufacture assembling process leads to stuck during Telescopic-cylinder show
, but it is longer to standardize accessory, can not be suitable for this installation space, thus Automated Design Floating connection part 403, by a monoblock
Steel material is cut out by wire cutting track, there are gap when being designed with 401, while does not influence its function (lifting), gap herein disappears
In addition to mach error and cylinder piston rod and 401 error of perpendicularity.
Shown in Figure 6, snap-gauge translation mechanism is by clamping jaw 501, guide-equipped cylinder 502, linear slide rail 503, Standard Cylinder
504 form with fixed plate 505.Claw 501 adds up to steel material machining center to finish by hard, dimensional accuracy and shape root
It is designed according to the product width margin of tolerance, can guarantee and operate steadily when blocking product translation, the distance between clamping jaw is more than snap-gauge
Size, the bounce of snap-gauge when avoiding lifting action；Guide-equipped cylinder 502 is chosen from standardized pneumatic accessory, particularity
It has been more than common cylinder guide function, has can guarantee that claw 501 can lift as required；Linear slide rail 503 is chosen from standardization
Mechanical fitting ensures orientation consistency for the movement of 501 horizontal direction of claw；Standard Cylinder 504 is chosen from standardized pneumatic accessory,
Power is provided for claw translation；Fixed plate 505 is acted on as the fastening support of the mechanism.
Shown in Figure 7, feeding pressure mechanism is by press strip 601, connecting plate 602, guide post guide sleeve 603, air cylinder fixed plate 604, thin
Type cylinder 605 is formed with L-type fixed block 606.Press strip 601 is formed using common bloom linear cutter, is ensured in structure design
It is compressed during the detection of product bolt and indeformable, while different product can be made deviation rear bolt can also pass through press strip the advantages of；
Connecting plate 602 is formed using common bloom machining center milling, is that press strip 601 forms an entirety with guide post guide sleeve 603, is
Mechanism can be lifted by scheduled action；Guide post guide sleeve 603 is selected from standard mechanical guide fittings, and the lifting for mechanism provides guiding
Effect；Air cylinder fixed plate 604 makes their formation mechanism as mechanism fixed substrate；Thin cylinder 605 is selected from modular, pneumatically powered match
Part；L-type fixed block 606 is formed by linear cutter, and the mechanism is made to be fixed in slide way mechanism 3.
Shown in Figure 8, detection bolt screws in mechanism and screws in axis 703, inspection by transmission rod 701, V-type V belt translation 702, bolt
Bolt 704, gear motor 705, guide rail cylinder 706 and mechanism fixed seat 707 is surveyed to form.Transmission rod 701 adds up to steel using hard
Turnery processing forms, and mainly plays intermal force, i.e., when detecting bolt 704 in the case where bolt screws in the effect of axis 703, screws in projection welding spiral shell
It is female in place after, spot welding intensity detection mechanism action is in lower pressure to transmission rod 701；V-type V belt translation 702 is chosen from standardization machine
Tool accessory is for transmitting rotary force, the rotary force of gear motor 705 is transmitted to bolt and is screwed on axis 703；Bolt screws in axis
703 have turnery processing to go out outer circle, then go out hexagon by linear cutter using hard alloy steel, so as to enable detection bolt 704
It blocks and rotates together with；704 selection standard fastener of bolt is detected, high grade requirement, 12.9 grades of outer-hexagonal M6 bolts should
Bolt strength is high, wear-resistant, can be suitably used for batch and uses, detection result is good；Gear motor 705 is selected electrically matches from standardization
Part, output torque is big, and has the function of speed governing；Guide rail cylinder 706 is chosen from standardized pneumatic accessory, for doing testing agency
Lifting action, detection bolt is imported into projection welding bolt；Mechanism fixed seat 707 is by steel part screw and positioning pin combination locking
It forms, for the entire mechanism of component.
In the mechanism, characteristic innovative point is in this widgets of bolt screw-in axis 703, and the project-welding nut on product
According to screw characteristic, there is chamfering screwing in head end, effect is easy for being threaded into, because detecting the action of bolt rotating mechanism 7
There are rise and fall, be currently the shift action to avoid product, be to rise before product immigration, when product is moved to
After detecting fine positioning, which can just decline, and kinetic energy can be generated in lowering action, detection bolt can be with the project-welding nut of product
Collision is generated, nut is caused to generate damage, influences entire detection operation, knotty problem is easily generated in manual operations, very
It is unstable；And the innovation mode of the widgets perfectly solves the problem, the widgets structure referring to Figure 13, the widgets by
Main shaft 7031, long cylinder compressed spring 7032, axis clamp spring 7033, upper end cover 7034, bottom end cover 7035 and short cylindrical compress bullet
Spring 7036 forms, which has turning and linear cutter, has the characteristics that outer circle and interior hexagonal, outer circle numerically controlled lathe add
Work is used for accessory deep groove ball bearing endoporus, and so as to ensure to rotate around the center of circle, interior hexagonal is formed by linear cutter, for blocking inspection
The outer-hexagonal of bolt 704 is surveyed, rotary force is made to pass to detection bolt 704, which is process there are two types of technique, and high-precision adds
Work ensure that outer circle center and interior hexagonal central coaxial, make entire mechanism action accurately and reliably；Long cylinder compressed spring 7032 is used
The detection flexible lower pressure of bolt 704 is kept, is detection bolt 704 when being in contact with the guide angle of both project-welding nut screw threads
Will not be open-top, and the elastic force of the spring is smaller, is unlikely to that nut thread is made to generate damage；Axis clamp spring 7033 is standard
Part, for axial restraint deep groove ball bearing；Upper end cover 7034 is formed with bottom end cover 7035 using turnery processing, is respectively intended to fix
Bolt 704 is detected with guide support；Short spring 7036 is used for supporting detection bolt 704, it is made to keep vacant state, convenient for rotation
It is screwed into.
Shown in Figure 9, spot welding intensity detection mechanism is by spoke type pressure sensor 801, sensor fixed seat 802, essence
Close leading screw guidance set 803, safty shield 804, servo motor 805 and fixing support rack 806 form.Pressure sensor 801
Transmission rod be connected through a screw thread right angle setting and (be rigidly connected) on a sensor.Wherein spoke type pressure sensor is selected from mark
The automatically controlled accessory of standardization, measure pressure limit 0-1T, suitable for the spot welding nut weld strength detect, and detect force value precision compared with
It is high；Sensor fixed seat 802 is welded by steel material group, for sensor and other moving parts of being connected and fixed, is integrated with processing
Center mills out, and ensure that installation accuracy and geometric tolerance；Precision lead screw guidance set 803 has precision lead screw to be combined with linear slide rail
It forms, the precision drive of screw makes pressure sensor 801 realize rise and fall by control requirement, and linear slide rail ensure that lifting
During direction it is always consistent；Safty shield 804 is formed by metal plate bending, inside have high speed rotation transmission, rise
Protective effect prevents operative employee's hand from stretching into generation injury；Servo motor 805 is selected from standardization electric fittings, rotation hand system
System control, precision is higher, it can control to rotate to any angle, the power of rise and fall is provided for the mechanism；Fixed support
Frame 806 is composed of steel material, and whole linear cutter goes out, and ensure that installation accuracy and deformation tolerance, makes each component of the mechanism
It is installed on it.
Shown in Figure 10, discharging mechanism is by demarcation strip 901, shaft 902, striker plate 903, thin cylinder 904 with fixing
Bearing 905 forms；Wherein, thin cylinder 904 is rotary cylinder, and demarcation strip 901 is formed for panel beating, acts predominantly on cylinder
Under the action of act, qualification is separated with unqualified part；Shaft 902 is cut by circular steel truck and is process, for being driven gas
The spinning movement of cylinder；Striker plate 903 is formed for panel beating, is fixed on mechanism both sides, and product is made to slip from up to down box for material circulation
In will not run out of；Thin cylinder 904 is selected from standardized pneumatic accessory, for doing power source for organizational separation；Hold-down support 905
It is composed of the welding of steel material, each parts is made to be fixed in the above.
Shown in Figure 11, human-computer interface device is by 1003 groups of metal plate outer cover 1001, liquid crystal display 1002 and cylinder fixed frame
Into；Metal plate outer cover is formed by iron plate bending, for fixing the electric fittings such as liquid crystal display；Liquid crystal display 1002 by outsourcing electric fittings and
Into；Cylinder fixed frame 1003 is spliced by appearance standard mechanical fitting.
The detecting step that the spot welding nut of metal plate snap-gauge is carried out using the present embodiment detection device is as follows：
The product to be detected is placed on above the sliding slot bloom 301 of slide way mechanism 3, operator starts safety, and equipment starts
Action；Rib elevating mechanism 4 starts to act, and block 401, which rises, lives the product orientation on sliding slot bloom 301, in its guide edge
Under effect, product toward moving inside equipment；
Claw 501 in snap-gauge translation mechanism 5 declines the product for fixing entrance in the case where being acted on guide rod cylinder 502,
Translational motion is to detection fine positioning region under the action of Standard Cylinder 504；
Feeding pressure mechanism 6 acts, and press strip 601 declines under the action of thin cylinder 605, the product concora crush at the fine positioning
In sliding slot bloom 301；
Detection bolt screws in mechanism 7 and acts, and guide rail cylinder 706 declines, and the targeting part of detection bolt 704 is made to be inserted into production
In the internal thread of product, gear motor 705 rotates, by V-type band transmission 702 rotational force to bolt rotary shaft 703,
Because the outer-hexagonal checkpost of detection bolt 704 is during hexagonal is lateral opening in bolt rotary shaft 704, detection bolt 704 is made also to rotate
Come, the action being screwed into so as to fulfill bolt；In the process, if being screwed into screw thread in the time that detection bolt 704 is set in PLC
In, and back-out the screw thread other end and pushing is contacted with the elastomeric check block 302 in slide way mechanism 3 and touches inductive pick-up 303,
Judge that detection bolt 704 can be screwed into so as to produce inductive signal, so as to judge that nut does not have welding slag；If conversely, detection spiral shell
It can not be screwed into screw thread in the time that bolt 704 is set in PLC, side judges there is welding slag；
After equipment judges product without welding slag, spot welding intensity detection structure 8 starts to act, and servo motor 805 rotates, power
Spinning movement is converted to straight line lifting action by rotary power by precision lead screw guidance set 803, so as to drive spoke type pressure
Force snesor 801 should act under realizing；When its precision by design pushes, and the transmission rod 701 of mechanism 7 is screwed in detection bolt
Contact, and transmission rod 701 is contacted with detection bolt 704, and project-welding nut is given so as to fulfill pressure transmission, realizes spot welding intensity
Detection；In the process, lower pressure is set by PLC, and spot welding intensity is enough if project-welding nut does not come off；Conversely, projection welding
The nut then spot welding intensity that comes off is insufficient；
Product upon completion of the assays, is sent by snap-gauge translation mechanism 5 into discharging mechanism 9；Demarcation strip 901 is in PLC program
To carry out difference before judgement, it is separated out certified products outlet and is exported with defective work.
The detection device of the present embodiment realizes the automatic detection of project-welding nut, not only alleviates labor intensity, also carries
High detection efficiency, accuracy of detection and accuracy are more guaranteed.
The basic principle of the utility model and main feature and the advantages of the utility model has been shown and described above.One's own profession
The technical staff of industry is it should be appreciated that the present utility model is not limited to the above embodiments, described in above embodiments and description
Only illustrate the principle of the utility model, on the premise of not departing from the spirit and scope of the utility model, the utility model is also
Various changes and modifications are had, these various changes and improvements fall within the scope of the claimed invention.The utility model
Claimed range is defined by the appending claims and its equivalent thereof.
Claims (11)
1. a kind of project-welding nut automatic detection system, which is characterized in that including：
Rack, top are provided with reference seat；
Slide way mechanism is set in the reference seat, and the slide way mechanism has for the project-welding nut along slip
Slideway；
Snap-gauge elevating mechanism, below the slideway, for the fixed project-welding nut being located on the slideway and by its
It moves up；
Snap-gauge translation mechanism, for clamping the project-welding nut being located on the snap-gauge elevating mechanism and being moved to detection
Position；
It detects bolt and screws in mechanism, for that will detect bolt screw-in positioned at the project-welding nut of the test position and examine
It surveys；And
Spot welding intensity detection mechanism, for detecting spot welding intensity to project-welding nut application applied external force.
2. project-welding nut automatic detection system according to claim 1, which is characterized in that the slide way mechanism includes sliding
Slot supporting leg, the slideway are located above the sliding slot supporting leg, and the centre position of the slideway in the width direction is provided with described in confession
What snap-gauge elevating mechanism passed through penetrates hole.
3. project-welding nut automatic detection system according to claim 1, which is characterized in that the side of the slide way mechanism
Portion is provided with elastomeric check component and under the elastomeric check component corresponding to the position below the detection bolt
Proximity sensor.
4. project-welding nut automatic detection system according to claim 1, which is characterized in that the snap-gauge elevating mechanism packet
Snap-gauge bearing, the block above the snap-gauge bearing are included, the block passes through snap-gauge bearing described in driving mechanism drives edge
It moves up and down, the card slot for being capable of project-welding nut described in clamping is provided on the block.
5. project-welding nut automatic detection system according to claim 4, which is characterized in that the driving mechanism is gas
Cylinder, the piston rod of the cylinder are connected by floating connection block with the bottom of the block.
6. project-welding nut automatic detection system according to claim 1, which is characterized in that the snap-gauge translation mechanism packet
Include fixed pedestal, the slide unit on the fixed pedestal and the translation gas for the slide unit to be driven to move in the horizontal direction
Cylinder, clamping jaw is provided on the slide unit, and the clamping jaw is moved up and down by vertical cylinder driving.
7. project-welding nut automatic detection system according to claim 1, which is characterized in that the detection device further includes
For pushing down the feeding pressure mechanism for the project-welding nut being located on the snap-gauge translation mechanism, the feeding pressure mechanism is set to described
In slide way mechanism, the feeding pressure mechanism has the fixed substrate being driven by the cylinder, and connection is provided with above the fixed substrate
Plate is provided with press strip on the connecting plate, through-hole is offered on the press strip.
8. project-welding nut automatic detection system according to claim 1, which is characterized in that the detection bolt screw-on machine
Structure includes mechanism fixed seat, the driving mechanism above the mechanism fixed seat and the inspection driven by the driving mechanism
Bolt is surveyed, the driving mechanism adjusts height by guide rail cylinder.
9. project-welding nut automatic detection system according to claim 8, which is characterized in that the top of the detection bolt
Transmission rod is provided with, the spot welding intensity detection mechanism includes fixing support rack, and being provided with leading screw on the fixing support rack leads
To component, the leading screw guidance set is driven by servo motor, and the leading screw guidance set is connected with sensor fixed seat, institute
The lower section setting pressure sensor of sensor fixed seat is stated, the lower section of the pressure sensor sets what is contacted with the transmission rod
Press rods.
10. project-welding nut automatic detection system according to claim 9, which is characterized in that the detection bolt screws in
Mechanism further includes main shaft, and the main shaft has hollow cavity, and the both ends of the main shaft set upper end cover and bottom end cover respectively, institute
It states detection bolt to be stretched out by the bottom end cover, be provided between the detection bolt and the bottom end cover for the detection spiral shell
Bolt applies the first spring of upward elastic force, is provided between the detection bolt and the upper end cover for the detection
Bolt applies the second spring of downward elastic force, the transmission rod by the upper end cover penetrate the cavity and with the detection
Threaded bolt contacts.
11. project-welding nut automatic detection system according to claim 1, which is characterized in that the detection device also wraps
Discharging mechanism is included, the discharging mechanism includes the discharge pedestal being obliquely installed, and the discharge pedestal has arrival end and the port of export, described
Discharge pedestal forms two tapping channels at the port of export, and the discharge pedestal is provided with demarcation strip, institute at the arrival end
State one that demarcation strip can be closed by the driving mechanism driving that discharges in the tapping channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721613293.6U CN207557507U (en) | 2017-11-28 | 2017-11-28 | Project-welding nut automatic detection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721613293.6U CN207557507U (en) | 2017-11-28 | 2017-11-28 | Project-welding nut automatic detection system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207557507U true CN207557507U (en) | 2018-06-29 |
Family
ID=62677511
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721613293.6U Active CN207557507U (en) | 2017-11-28 | 2017-11-28 | Project-welding nut automatic detection system |
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| Country | Link |
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| CN (1) | CN207557507U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107728229A (en) * | 2017-11-28 | 2018-02-23 | 浙江捷汽车零部件有限公司 | Project-welding nut automatic detection system and control method |
| CN113959846A (en) * | 2021-12-20 | 2022-01-21 | 武汉驿路通科技股份有限公司 | Testing device and testing method for welding strength of welding spot in TOSA (transmitter optical subassembly) |
-
2017
- 2017-11-28 CN CN201721613293.6U patent/CN207557507U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107728229A (en) * | 2017-11-28 | 2018-02-23 | 浙江捷汽车零部件有限公司 | Project-welding nut automatic detection system and control method |
| CN107728229B (en) * | 2017-11-28 | 2024-03-22 | 惠易新能源科技(宁波)有限公司 | Projection welding nut automatic detection equipment and control method |
| CN113959846A (en) * | 2021-12-20 | 2022-01-21 | 武汉驿路通科技股份有限公司 | Testing device and testing method for welding strength of welding spot in TOSA (transmitter optical subassembly) |
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Effective date of registration: 20231128 Address after: No. 4 Guihua Fourth Road, Meijiao Qi Industrial Community, Xiaotang Township, Xiangshan County, Ningbo City, Zhejiang Province, 315191 Patentee after: Huiyi New Energy Technology (Ningbo) Co.,Ltd. Address before: 315100 Yuan Jia Village, Pan Huo Street, Yinzhou District, Ningbo City, Zhejiang Province Patentee before: Wison Automotive Technology (Ningbo) Co.,Ltd. |
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