CN104062451A - Screw detecting machine - Google Patents
Screw detecting machine Download PDFInfo
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- CN104062451A CN104062451A CN201410317531.3A CN201410317531A CN104062451A CN 104062451 A CN104062451 A CN 104062451A CN 201410317531 A CN201410317531 A CN 201410317531A CN 104062451 A CN104062451 A CN 104062451A
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- screw
- recovering mechanism
- detecting machine
- defective products
- rotating disk
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Abstract
The invention discloses a screw detecting machine. The screw detecting machine comprises a screw loading mechanism, a rotating disc, multiple screw defect detecting devices and multiple screw recovery mechanisms. The screw loading mechanism is used for loading screws on the rotating disc, and the screws to be detected are placed in screw placing holes in the rotating disc through the screw loading mechanism, the screws are conveyed to corresponding detecting positions through rotation of the rotating disc. The screw defect detecting devices are used for performing defect detecting on the screws which are rotated to the corresponding detecting positions through the rotating disc. The screw recovery mechanisms comprise one or more defective screw recovery mechanisms and one or more non-defective screw recovery mechanisms, an outer ring component is arranged on the outer side of the rotating disc, gaps are formed in the parts, corresponding to the screw recovery mechanisms, of the outer ring component, and each screw recovery mechanism comprises a screw pushing block, a connecting plate, a screw pushing block fixing part, a seal plate and a driving mechanism, wherein the screw pushing block and the screw pushing block fixing part are connected through the connecting plate, the screw pushing block fixing part is fixed to the seal plate, and the seal plate is connected with the driving mechanism. The seal plates are arranged in the gaps, corresponding to the corresponding screw recovery mechanisms, of the outer ring component to form a part of the outer ring component.
Description
Technical field
The present invention relates to screw defects detection field, particularly precision screw is carried out the screw detecting machine of defects detection.
Background technology
Precision screw is called for short primary screw, also claims small screw, is the small securing member that connects product material, and shape is small, but can play crucial connection fastening effect, is widely used in electronics, electric, electrical equipment, furniture, plant equipment etc.The Detection of content of precision screw generally comprises: height of head, diameter and head crackle, distortion, head recess shape, the degree of depth and foreign matter, the length of threaded portion, external diameter, internal diameter and pitch, the cusp of run-out(of thread) and docking.
Traditional precision screw detection mode is generally artificial sampling observation, the sample that is extracted some according to certain sampling proportion by operator from a collection of product carries out visual detection, or in a collection of screw, polygamy is put some with compensation defective products wherein, by user, is in use selected voluntarily.Such detection is wasted time and energy, and extremely inaccurate.And the today increasing substantially in automatization level, most of screw assembling (claiming again to screw) technique, for to realize by automatic locking screw machine, no longer adopts and completes manually.In the process of automatic locking screw, very high to the quality requirements of precision screw, the traditional approach that adopts sampling Detection or polygamy to put quantity cannot meet the demands.
For this present situation, current industry is also developed multiple automatic checkout equipment and is realized screw detecting.As Chinese patent Granted publication CN203163684U (number of patent application: 201320056675.9) in document, disclose a kind of screw detecting machine.This screw detecting machine comprises: for detection of the worktable of screw; For screw is moved to the vibrating disk on worktable; By the first-class pick-up unit forming of a plurality of shootings; And 1 non-defective unit screw collection box and 1 defective products collection box.Wherein, about the recovery of screw, this screw detecting machine utilizes blow head that the screw of non-defective unit and defective products is blown into respectively in non-defective unit collection box and defective products collection box.
But, by the mode of blowing, screw is blown into the mode poor reliability of collection box, likely cause non-defective unit to be strayed in defective products collection box, defective products is strayed in non-defective unit collection box.And, because blow head utilizes gases at high pressure, so noise is large while working.
In addition; in above-mentioned patent documentation; owing to being only provided with a non-defective unit collection box; when this non-defective unit collection box is full; need arrestment, restart facility again after being packed by operating personnel, due to screw detecting speed; cause equipment often to shut down rewinding packing, cause the utilization factor of screw detecting machine lower.
Have again, in existing robotization screw detecting machine, can not be too fast for guaranteeing effectively to get rid of defective products turntable rotation speed, otherwise can cause bad eliminating to lose efficacy, so turntable rotation speed is slower, this is also one of reason that detection efficiency is lower.
Summary of the invention
The present invention makes in view of above-mentioned problems of the prior art, and its object is to provide a kind of and can reliably, correctly reclaims non-defective unit and defective products screw and reclaim the little screw detecting machine of action noise.
The present invention also aims to provide a kind of can be in the situation that do not stop the screw detecting machine that non-defective unit screw collection box is changed in the detection operation of screw detecting machine.
The present invention also aims to provide a kind of can high efficiente callback defective products screw, the screw detecting machine that can efficiently detect again.
For realizing the screw detecting machine of the first scheme of object of the present invention, comprising: screw loader mechanism, for screw is loaded into rotating disk, described rotating disk, is placed into the screw that will detect in the screw holding hole on this rotating disk by described screw loader mechanism, and this rotating disk is delivered to corresponding detection position by rotation by screw, a plurality of screw defect detectors, carry out defects detection to forward the screw of corresponding detection position to by described rotating disk, and a plurality of screw recovering mechanisms, comprise at least one defective products screw recovering mechanism and at least one non-defective unit screw recovering mechanism, described non-defective unit screw recovering mechanism is recovered to the screw that is non-defective unit by the detection of screw defect detector in non-defective unit collection box, described defective products screw recovering mechanism is recovered to the screw that is defective products by the detection of screw defect detector in defective products collection box, in the outside of described rotating disk, be provided with outer ring element, part corresponding with described a plurality of screw recovering mechanisms on this outer ring element is formed with breach, described in each, screw recovering mechanism comprises expeller, web joint, expeller fixture, shrouding and driving mechanism, described expeller is connected by described web joint with described expeller fixture, described expeller fixture is fixed on described shrouding, described shrouding is connected with described driving mechanism, described shrouding is arranged in the breach corresponding with corresponding described screw recovering mechanism of described outer ring element, form a part for described outer ring element.
The screw detecting machine of alternative plan of the present invention, on the basis of described the first scheme, described screw detecting machine also comprises the first controller, described driving mechanism is cylinder, by shrouding described in described air cylinder driven, when screw arrives corresponding described screw recovering mechanism, described the first controller is controlled the described cylinder action of corresponding screw recovering mechanism and is driven described shrouding to retract to centrifugal direction, described fixing fast and described web joint drives described expeller to advance to centrifugal direction thereupon, and then screw head is pushed open and is departed from screw holding hole by described expeller, when screw does not arrive corresponding described screw recovering mechanism, the described shrouding of corresponding screw recovering mechanism is adjacent with described rotating disk.
The screw detecting machine of third party's case of the present invention, on the basis of described the first scheme, described screw detecting machine also comprises the first controller, described driving mechanism is micro motor, by described micro motor, drive described shrouding, when screw arrives corresponding described screw recovering mechanism, described the first controller is controlled the described micro motor action of corresponding screw recovering mechanism and is driven described shrouding to retract to centrifugal direction, described fixing fast and described web joint drives described expeller to advance to centrifugal direction thereupon, and then screw head is pushed open and is departed from screw holding hole by described expeller, when screw does not arrive corresponding described screw recovering mechanism, the described shrouding of corresponding screw recovering mechanism is adjacent with described rotating disk.
The screw detecting machine of cubic case of the present invention, on the basis of described the first～tri-scheme, the one side contacting with screw head of described expeller is circular arc.
According to the screw detecting machine of above-mentioned each scheme, by forming screw recovering mechanism by expeller, web joint, expeller fixture, shrouding and driving mechanism, can reliably, correctly reclaim non-defective unit and defective products screw, and it is little to reclaim action noise.
The screw detecting machine of the 5th scheme of the present invention, on the basis of described first～cubic case, described screw detecting machine also possesses second controller, described second controller is controlled the CD-ROM drive motor of the described rotating disk of described screw detecting machine and is carried out variable frequency regulating speed control, when described screw defect detector does not detect defective products screw, the CD-ROM drive motor that described second controller is controlled described rotating disk runs up, when described screw defect detector detects defective products screw and this defective products screw and approaches described defective products screw recovering mechanism, the CD-ROM drive motor that described second controller is controlled described rotating disk reduces running speed, after having reclaimed, recovers by defective products screw to run up.
According to the screw detecting machine of above-mentioned the 5th scheme, by the CD-ROM drive motor of rotating disk is carried out to variable frequency regulating speed control, can either high efficiente callback defective products screw, can efficiently detect again.
The screw detecting machine of the 6th scheme of the present invention, on the basis of described first～cubic case, described screw recovering mechanism also comprises: rewinding box; Counter, for the screw quantity reclaiming in rewinding box described in instrumentation; And alert mechanism, the screw quantity reclaiming in described rewinding box gives the alarm while surpassing setting.
Described a plurality of screw recovering mechanism can comprise 1 defective products screw recovering mechanism and 3 non-defective unit screw recovering mechanisms.
By a plurality of non-defective unit screw recovering mechanisms are set, can change non-defective unit screw collection box in the situation that do not stop the detection operation of screw detecting machine.
Invention effect
As mentioned above, technical scheme of the present invention can reliably, correctly reclaim non-defective unit and defective products screw and reclaim action noise little.Technical scheme of the present invention can also be changed non-defective unit screw collection box in the situation that do not stop the detection operation of screw detecting machine.And technical scheme of the present invention can either high efficiente callback defective products screw, can efficiently detect again, has improved detection efficiency and detection speed, has really realized high speed detection.
Accompanying drawing explanation
In order to be illustrated more clearly in the specific embodiment of the present invention or technical scheme of the prior art, below the accompanying drawing using in the description of background technology part above or the part of embodiment is below briefly described.
Fig. 1 illustrates screw detecting machine of the present invention.
Fig. 2 illustrates the partial enlarged drawing of the screw recovering mechanism of screw detecting machine of the present invention.
Fig. 3 illustrates the rotating disk of screw detecting machine of the present invention and the enlarged drawing of outer ring element.
Fig. 4 illustrates the action diagram of screw recovering mechanism of the present invention.
Fig. 5 illustrates the schematic diagram of the rewinding box part of screw recovering mechanism of the present invention.
Fig. 6 illustrates the schematic diagram of the screw discharge runner section of screw recovering mechanism of the present invention.
Description of reference numerals
L screw, 1 screw loader mechanism, 4 rotating disks, 5 screw defect detectors, 6 screw recovering mechanisms, 6A defective products screw recovering mechanism, 6B non-defective unit screw recovering mechanism, 67 screws are discharged runner, 68 non-defective unit collection boxes, 61 expellers, 62 web joints, 63 expeller fixtures, 64 shroudings, 66 cylinders, 65 cylinder fixtures, 7 outer ring elements, 72 breach, 71 screw load port
Embodiment
For making the object, technical solutions and advantages of the present invention clearer, below, by reference to the accompanying drawings concrete embodiment of the present invention is described in detail.
< the first embodiment >
Fig. 1 illustrates screw detecting machine of the present invention.This screw detecting machine comprises screw loader mechanism 1, rotating disk 4, a plurality of screw defect detector 5 and a plurality of screw recovering mechanism 6.Although the screw defect detector 5 marking in Fig. 1 is 1, but in fact,, position and detection character corresponding to required detection, be provided with a plurality of screw defect detectors 5, for example detect the screw defect detector at screw top, detect screw defect detector of screw thread etc.
Screw loader mechanism 1 is for being loaded into screw rotating disk 4.In Fig. 1, screw loader mechanism is by carrying the track of screw to form, although not shown, also vibrating disk and this track can be linked together to form screw loader mechanism.
Screw loader mechanism 1 is placed into the screw that will detect in the screw holding hole 41 on this rotating disk 4, and this rotating disk 4 is delivered to corresponding detection position by rotation by screw, for screw defect detector 5, detects on this screw whether have defect.
Screw recovering mechanism 6 comprises at least one defective products screw recovering mechanism 6A and at least one non-defective unit screw recovering mechanism 6B, non-defective unit screw recovering mechanism 6B is recovered to the screw L that is non-defective unit by 5 detections of screw defect detector in non-defective unit collection box 68, defective products screw recovering mechanism 6A is recovered to defective products collection box by the screw that is defective products by 5 detections of screw defect detector and (in figure, is positioned at a side that is positioned at accordingly screw detecting box body with defective products screw recovering mechanism 6A, due to the back side one side of this face in this figure, therefore not shown) in.
Fig. 2 illustrates the partial enlarged drawing of the screw recovering mechanism of screw detecting machine of the present invention.As shown in the drawing, screw recovering mechanism 6 comprises expeller 61, web joint 62, expeller fixture 63, shrouding 64 and as the cylinder 66 of driving mechanism, cylinder 66 is fixing by cylinder fixture 65.Expeller 61 is connected by web joint 62 with expeller fixture 63, and expeller fixture 63 is fixed on shrouding 64, has connected the axle of cylinder 66 on shrouding 64.Described driving mechanism also can not adopt cylinder 66, but adopts micro motor.
Fig. 3 illustrates the rotating disk of screw detecting machine of the present invention and the enlarged drawing of outer ring element.As shown in the drawing, in the outside of rotating disk 4, be provided with outer ring element 7, on this outer ring element 7, be provided with screw load port 71, and be formed with breach 72 in the part corresponding with a plurality of screw recovering mechanisms 6.Shrouding 64 shown in Fig. 2 is arranged in the breach 72 corresponding with corresponding screw recovering mechanism 6 of outer ring element 7, forms a part for outer ring element 7.When not reclaiming screw L, shrouding 64 is in the position adjacent with rotating disk 4, and the screw holding hole 41 between shrouding 64 and rotating disk 4 forms the almost circular space of sealing, to avoid screw L to come off from rotating disk 4.
Although not shown, screw detecting machine of the present invention comprises for controlling the first controller of screw recovering mechanism 6.As shown in Figure 4, when screw L arrives corresponding screw recovering mechanism 6, the first controller is controlled cylinder 66 actions of corresponding screw recovering mechanism 6 and is driven shrouding 64 to retract to centrifugal direction, fix thereupon fast 63 and web joint 62 drive expellers 61 to advance to centrifugal direction, screw L head is pushed open by expeller 61 and is departed from screw holding hole 41.
As shown in Figure 4, the one side contacting with screw L head of expeller 61 is circular arc.But its shape can be also the linear pattern tilting, or square.In the situation that being square, when screw arrives the almost middle of recovery position of screw recovering mechanism, while arriving the dead ahead of this expeller 61, cylinder 66 actions and push screw L open by expeller 61 and make it depart from screw holding hole 41, to reclaim this screw L.
As above, by physical construction as above, form screw recovering mechanism 6, can reliably, correctly reclaim non-defective unit and defective products screw, and it is little to reclaim action noise.
As shown in Fig. 1,5,6, on screw recovering mechanism 6, be also provided with that screw is discharged runner 67, rewinding box 68 and as the full material pilot lamp 69 of alarm device or hummer etc.In addition, on each screw recovering mechanism 6, be also provided with not shown counter, for the screw quantity reclaiming in rewinding box described in instrumentation.When interior the reclaimed screw L quantity of rewinding box 68 surpasses setting, describedly completely expect that pilot lamp or hummer give the alarm.
In use, be first to enable 1# non-defective unit screw recovering mechanism, cylinder 66 shrinks, and screw L pushes away and falls to entering into 1# screw discharge runner under the effect of convex pushing block 61, then falls into 1# rewinding box 68.When the screw L quantity in this 1# rewinding box 68 arrives setting, 1# non-defective unit screw recovering mechanism 6B stops reclaiming, enable 2# non-defective unit screw recovering mechanism 6B, non-defective unit is discharged runner 67 by the screw of 2# non-defective unit screw recovering mechanism 6B and is flowed out, and with prompting operation person, the rewinding box 68 of 1# non-defective unit screw recovering mechanism 6B is taken away by pilot lamp 69 and buzzer warning simultaneously.After being so recycled to 3# non-defective unit screw recovering mechanism 6B, return 1# non-defective unit screw recovering mechanism 6B.But the order that starts each non-defective unit screw recovering mechanism 6B is not necessarily identical with present embodiment, can carry out each non-defective unit screw recovering mechanism 6B for circulation open by other random order.Although be provided with 3 groups of non-defective unit screw recovering mechanism 6B and 1 group of defective products screw recovering mechanism 6A in present embodiment, but in actual applications, 1 group of defective products screw recovering mechanism 6A and non-defective unit screw recovering mechanism 6B can be respectively set certainly, more than 2 groups non-defective unit screw recovering mechanism 6B and defective products screw recovering mechanism 6A also can be respectively set.
By a plurality of non-defective unit screw recovering mechanisms are set, can change non-defective unit screw collection box in the situation that do not stop the detection operation of screw detecting machine, improve the operating efficiency of whole screw detecting machine.
< the second embodiment >
As described in the background section, can not be too fast for guaranteeing effectively to get rid of defective products turntable rotation speed, otherwise can cause bad eliminating to lose efficacy, so turntable rotation speed is slower, this causes detection efficiency lower.
The screw detecting machine of present embodiment, on the basis of the scheme of the first embodiment, improves the rotation mode of screw detecting machine in order to solve the problems of the technologies described above further.
That is, screw detecting machine of the present invention also possesses not shown for controlling the second controller of the rotation of rotating disk 4.This second controller is controlled the CD-ROM drive motor of the rotating disk 4 of screw detecting machine and is carried out variable frequency regulating speed control, when screw defect detector 5 does not detect defective products screw, when normal detected state, this second controller runs up the CD-ROM drive motor of rotating disk 4, when screw defect detector 5 detects defective products screw and this defective products screw and approaches defective products screw recovering mechanism 6A, be that detected defective products screw rotates while extremely reclaiming work station specified angle from defective products screw, the CD-ROM drive motor that this second controller is controlled rotating disk 4 reduces running speed, while arriving defective products recovery work station with assurance defective products, defective products screw recovering mechanism has the abundant time to move to realize defective products eliminating, after eliminating completes, mechanism resets, the CD-ROM drive motor of rotating disk 4 improves rotating speed again, again realize high speed detection.
By controlled the CD-ROM drive motor of the rotating disk 4 of screw detecting machine by second controller, carry out variable frequency regulating speed control, can either guarantee effectively to get rid of defective products screw, can detect fast again.
Above-described each embodiment and variation are only for illustrating spirit of the present invention; protection scope of the present invention is not limited to this; for those skilled in the art; certainly can be according to technology contents disclosed in this specification; by the mode of change, displacement or modification, make easily other embodiment, within these other embodiment all should be encompassed in protection scope of the present invention.
Claims (10)
1. a screw detecting machine, is characterized in that, comprising: screw loader mechanism, for screw is loaded into rotating disk; Described rotating disk, is placed into the screw that will detect in the screw holding hole on this rotating disk by described screw loader mechanism, and this rotating disk is delivered to corresponding detection position by rotation by screw; A plurality of screw defect detectors, carry out defects detection to forward the screw of corresponding detection position to by described rotating disk; And a plurality of screw recovering mechanisms, comprise at least one defective products screw recovering mechanism and at least one non-defective unit screw recovering mechanism, described non-defective unit screw recovering mechanism is recovered to the screw that is non-defective unit by the detection of screw defect detector in non-defective unit collection box, described defective products screw recovering mechanism is recovered to the screw that is defective products by the detection of screw defect detector in defective products collection box
In the outside of described rotating disk, be provided with outer ring element, part corresponding with described a plurality of screw recovering mechanisms on this outer ring element is formed with breach,
Described in each, screw recovering mechanism comprises expeller, web joint, expeller fixture, shrouding and driving mechanism, described expeller is connected by described web joint with described expeller fixture, described expeller fixture is fixed on described shrouding, described shrouding is connected with described driving mechanism, described shrouding is arranged in the breach corresponding with corresponding described screw recovering mechanism of described outer ring element, forms a part for described outer ring element.
2. screw detecting machine according to claim 1, is characterized in that,
Described screw detecting machine also comprises the first controller,
Described driving mechanism is cylinder, by shrouding described in described air cylinder driven, when screw arrives corresponding described screw recovering mechanism, described the first controller is controlled the described cylinder action of corresponding screw recovering mechanism and is driven described shrouding to retract to centrifugal direction, described fixing fast and described web joint drives described expeller to advance to centrifugal direction thereupon, and then screw head is pushed open and departed from screw holding hole by described expeller;
When screw does not arrive corresponding described screw recovering mechanism, the described shrouding of corresponding screw recovering mechanism is adjacent with described rotating disk.
3. screw detecting machine according to claim 1, is characterized in that,
Described screw detecting machine also comprises the first controller,
Described driving mechanism is micro motor, by described micro motor, drive described shrouding, when screw arrives corresponding described screw recovering mechanism, described the first controller is controlled the described micro motor action of corresponding screw recovering mechanism and is driven described shrouding to retract to centrifugal direction, described fixing fast and described web joint drives described expeller to advance to centrifugal direction thereupon, and then screw head is pushed open and departed from screw holding hole by described expeller;
When screw does not arrive corresponding described screw recovering mechanism, the described shrouding of corresponding screw recovering mechanism is adjacent with described rotating disk.
4. according to the screw detecting machine described in any one in claim 1～3, it is characterized in that, the one side contacting with screw head of described expeller is circular arc.
5. according to the screw detecting machine described in any one in claim 1～3, it is characterized in that,
Described screw detecting machine also possesses second controller,
Described second controller is controlled the CD-ROM drive motor of the described rotating disk of described screw detecting machine and is carried out variable frequency regulating speed control, when described screw defect detector does not detect defective products screw, the CD-ROM drive motor that described second controller is controlled described rotating disk runs up, when described screw defect detector detects defective products screw and this defective products screw and approaches described defective products screw recovering mechanism, the CD-ROM drive motor that described second controller is controlled described rotating disk reduces running speed, recovers to run up after defective products screw has reclaimed.
6. screw detecting machine according to claim 4, is characterized in that,
Described screw detecting machine also possesses second controller,
Described second controller is controlled the CD-ROM drive motor of the described rotating disk of described screw detecting machine and is carried out variable frequency regulating speed control, when described screw defect detector does not detect defective products screw, the CD-ROM drive motor that described second controller is controlled described rotating disk runs up, when described screw defect detector detects defective products screw and this defective products screw and approaches described defective products screw recovering mechanism, the CD-ROM drive motor that described second controller is controlled described rotating disk reduces running speed, recovers to run up after defective products screw has reclaimed.
7. according to the screw detecting machine described in any one in claim 1～3, it is characterized in that,
Described screw recovering mechanism also comprises:
Rewinding box;
Counter, for the screw quantity reclaiming in rewinding box described in instrumentation; And
Alert mechanism, the screw quantity reclaiming in described rewinding box gives the alarm while surpassing setting.
8. screw detecting machine according to claim 4, is characterized in that,
Described screw recovering mechanism also comprises:
Rewinding box;
Counter, for the screw quantity reclaiming in rewinding box described in instrumentation; And
Alert mechanism, the screw quantity reclaiming in described rewinding box gives the alarm while surpassing setting.
9. screw detecting machine according to claim 5, is characterized in that,
Described screw recovering mechanism also comprises:
Rewinding box;
Counter, for the screw quantity reclaiming in rewinding box described in instrumentation; And
Alert mechanism, the screw quantity reclaiming in described rewinding box gives the alarm while surpassing setting.
10. according to the screw detecting machine described in any one in claim 1～3, it is characterized in that, described a plurality of screw recovering mechanisms comprise 1 defective products screw recovering mechanism and 3 non-defective unit screw recovering mechanisms.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201410317531.3A CN104062451B (en) | 2014-07-04 | 2014-07-04 | Screw detecting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410317531.3A CN104062451B (en) | 2014-07-04 | 2014-07-04 | Screw detecting machine |
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| CN104062451A true CN104062451A (en) | 2014-09-24 |
| CN104062451B CN104062451B (en) | 2016-01-27 |
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| CN201410317531.3A Expired - Fee Related CN104062451B (en) | 2014-07-04 | 2014-07-04 | Screw detecting machine |
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| CN109277787A (en) * | 2018-04-16 | 2019-01-29 | 广东利元亨智能装备有限公司 | A kind of pin automatic charging device |
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| Publication number | Publication date |
|---|---|
| CN104062451B (en) | 2016-01-27 |
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