CN105301014A - Sphere surface development device and sphere surface defect detection equipment by using same - Google Patents
Sphere surface development device and sphere surface defect detection equipment by using same Download PDFInfo
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- CN105301014A CN105301014A CN201510935489.6A CN201510935489A CN105301014A CN 105301014 A CN105301014 A CN 105301014A CN 201510935489 A CN201510935489 A CN 201510935489A CN 105301014 A CN105301014 A CN 105301014A
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Abstract
The invention relates to a sphere surface development device and sphere surface defect detection equipment by using the device. The development device comprises a detection disc (1), detection grooves (3), a friction disc (2), a side friction mechanism, a detection disc driving motor (6), a friction disc driving motor (7) and a mounting plate (8), wherein the detection disc (1) is a toothed disc at the periphery of which the detection grooves (3) are uniformly distributed; the friction disc (2) is coaxially arranged below the detection disc (1); the detection disc (1) is embedded in the side friction device to freely rotate; and the detection disc (1), the friction disc (2), a lining plate (5), the detection disc driving motor (6) and the friction disc driving motor (7) are fixedly arranged on the inclined mounting plate (8). The defect detection equipment comprises the sphere surface development device and also comprises a sphere inlet mechanism, a sphere outlet mechanism and a detection unit. The friction direction of the bottom and side surface of the sphere is changed, so that the sphere surface is completely developed, and the detection quality is improved.
Description
Technical field
The present invention relates to the mechanical hook-up that a kind of spherome surface launches and the checkout equipment applying this device, be mainly used in the quality testing to products such as bearing steel ball, Ceramic Balls, glass bead, baton rounds.
Background technology
Producing and have a large amount of spheroids in life, in order to ensure the quality of product, usually needing to carry out defects detection to spherome surface.Be different from planar target, spherome surface is distributed in three dimensions.Usually sphere is decomposed into the combination of multiple curved surface, then each curved surface is detected separately.In testing process, detecting unit generally maintains static, and by repeatedly rotating sphere, each curved surface of sphere is presented to detection zone.This process is also referred to as " expansion ", amasss if the area after launching equals spherome surface, be then referred to as " launching completely ".In the past, the unfolded surface of spheroid depended on manpower.By testing staff, spheroid is repeatedly overturn, inefficiency, be unfavorable for that typical products in mass production detects.For bearing steel ball industry, steel ball output is extremely huge, and steel ball, in processing, transport, storage process, is difficult to avoid producing the defects such as wound in surface, cut, depression, rust staining, spot.These defects are fatal for bearing, greatly compromise product quality.Require that each point of sphere is detected, must ensure that sphere " is launched " completely, only rely on manpower to be extremely insecure.
Domestic had Some Enterprises to start to adopt self-reacting device, batch launches and detect steel ball quality.
Patent 1(application number CN201520225765.5) adopt the left and right expanding wheel of asymmetric arrangement, support wheel and driving wheel to realize development of a sphere.In testing process, need each steel ball to be positioned over separately expanding wheel, between driving wheel and support wheel, then overturn by driving wheel rubbing steel ball, each defect of steel ball surface is presented in detection zone.Left and right expanding wheel has the conical surface respectively, relative coupling shaft asymmetric arrangement, the spheroid of fitting is done and becomes axis rotation, can ensure " launching completely ".But cost is high, easy loss, and a ball can only be detected at every turn, detection speed is slow.
Patent 2(application number CN201420650461.9) adopt a circular detection dish, the uniform cone-shaped hole of detection dish excircle.The side of detection dish, have the circle expansion dish of a parallel installation, a part for expansion dish is stretched over below detection dish.Testing process, spheroid falls into the cone-shaped hole of detection dish, and bottom contacts with expansion dish.Expansion dish does not stop to do straight reciprocating motion while moving in a circle under cam link mechanism drives.Due to the randomness of expansion dish motion, cause spherome surface " not exclusively to launch ", have the point on part curved surface to be detected, there will be a certain proportion of " undetected ".
Summary of the invention
In order to solve the problems such as the expansion existed in spherical surface defect checkout equipment in prior art is incomplete, undetected, complex structure, efficiency are low, speed is slow, precision is low, the invention provides a kind of efficient, accurately, the simple spherome surface expanding unit of structure and apply the spherical surface defect checkout equipment of this device.
The present invention is achieved through the following technical solutions.
A kind of spherome surface expanding unit, comprise detection dish, detection groove, frictional disk, side friction mechanism, detect disk-drive motor, frictional disk drive motor, installing plate, described detection dish is the disk of a profile of tooth, described detection groove is distributed in the outside cylinder of detection dish, described frictional disk is a disk, be positioned at below described detection dish, and both coaxial cables; Described side friction mechanism is parallel to detection dish, and described detection dish is embedded in the friction mechanism of side and can freely rotates; Described detection dish, frictional disk, side friction mechanism, detection disk-drive motor, frictional disk drive motor are installed on a mounting board, described installing plate slant setting.
Described detection groove is the square groove running through detection dish, length and width, dark 0.5mm-2mm larger than sphere diameter to be detected, and spheroid to be detected is placed on to detect in groove and just can freely rotates; In testing process, contact bottom spheroid with frictional disk, side contacts with side friction mechanism.
Described detection dish adopts the self-lubricating material processing of abrasion-resistant, and described detection groove inner wall smooth, relative 45# steel friction factor is less than 0.25.
Described detection disk-drive motor adopts stepper motor or servomotor, detects the transmission shaft of disk-drive motor perpendicular to detection disk center.
Described frictional disk drive motor adopts stepper motor or servomotor, and frictional disk drive motor is connected with frictional disk by gear train.Described gear train is Timing Belt and synchronizing wheel.
Described detection dish is identical with frictional disk diameter, there is gap between the two, and gap width is less than sphere diameter to be detected, and detection dish is parallel with frictional disk, can freely rotate independently of each other each other.
Described side friction mechanism comprises liner plate and fricting strip, there is a through hole larger than detection dish diameter at described liner plate center, described fricting strip is installed on the inwall of liner plate central through hole along detection dish excircle, described detection dish just can be embedded in through hole and freely rotates, and the gap width between fricting strip and detection dish outermost is less than sphere diameter to be detected.
Described fricting strip height is identical with liner plate thickness, and liner plate thickness is more than or equal to detection disc thickness.
Described frictional disk upper surface adopts the anti-slip material of low abrasion to make, and relative 45# steel friction factor is greater than 0.4; Fricting strip in described side friction mechanism adopts the anti-slip material of low abrasion to make, and relative 45# steel friction factor is greater than 0.4.
Described installing plate relative level face tilt 15-50 degree is placed.
Described expanding unit, by the speed discrepancy between adjustment detection dish and frictional disk, changes balls tumble direction, realizes the expansion completely of spherome surface.
In order to described expanding unit is applied in spherome surface detection field, have employed following technical scheme.
A kind of spherical surface defect checkout equipment, comprise expanding unit as above, goal mechanism, detecting unit, Chu Qiu mechanism, described goal mechanism comprises ball cabinet, goal passage, lifting table, lifting motor, enters bulb; Described goal passage adopts v-shaped track, and connects with the spherical cavity of ball cabinet; Described lifting table and goal channel vertical; The described bulb that enters is positioned at lifting table side, is close to lifting table; The detection groove of the lower end and peak in expanding unit that enter bulb aligns; Described Chu Qiu mechanism comprises ball passage, shunting disk, shunting motor, diplopore funnel; Described goes out the side coil that ball passage is positioned at side friction mechanism, and the spheroid to be detected in detection dish can turn to out the entrance of ball passage; Described shunting disk is positioned at below ball passage; Described diplopore funnel is positioned at below shunting disk.
Described ball cabinet relative level face tilt is placed.
Described goal passage connects with the spherical cavity of ball cabinet lowest part.
Described lifting table cross section is the V-arrangement cross section consistent with goal passage, and lifting table can move up and down under lifting motor drives, and minimum point is concordant with goal passage lower end, and peak is concordant with entering bulb upper end open.
Described enters the top that bulb lower end is installed on expanding unit, enters the detection groove that bulb end aims at most significant digit.Enter bulb outlet and planes align on detection dish, bore is larger than sphere size road, and tube wall is smooth, and spheroid to be detected is slipped in the detection groove of detection dish along entering bulb.Along with the rotation of detection dish, only there is a ball to fall into the detection groove of below at every turn.
Detection dish in described expanding unit rotates towards going out ball channel direction.
Described detecting unit is any one or combination in any of imageing sensor, eddy current sensor, optical sensor, and quantity is one or more.
Described to go out ball passage be groove through liner plate, and the opening of groove is towards the center of circle of detection dish, and A/F is greater than detection well width, and angular range formed by the line in open centre point and the detection dish center of circle and the perpendicular bisector of liner plate is 45 to 75 to spend; By detection dish, spheroid to be detected is turned to out ball feeder connection, spheroid skids off detection groove by gravity, falls into out ball passage.
Described shunting disk adopts 2 sector diffuence blades, has the through hole that larger than sphere diameter in every sheet blade, and these two through holes are positioned at different radiuses, and one of them through hole is near the axle center of shunting disk, and another through hole is near shunting disk outward flange; Shunting disk rotates 1 sector, and ball can be made to fall into different spherical cavities.
In described diplopore funnel, each hole respectively corresponds to the through hole on shunting disk a slice blade, and the end of funnel is connected with out bulb.
Described shunting motor adopts two-way rotating electromagnet, and the response time is short, and speed is fast.
The present invention compared with prior art has following beneficial effect.
One, adopt motor digital control technology, the upset of simulation staff, from two different directions, overturn spheroid in combination with one another, according to different sphere size, can accurately control the rotational orientation of spheroid, ensure the expansion completely of sphere, there is not the drawback that " defect " is not turned to surveyed area.
Two, compare additive method, only just can realize efficiently launching accurately with two motors, realize automatic goal simultaneously and go out ball.
Three, in testing process, detection dish does not need to stop operating, and greatly improves detection efficiency.
Four, goal mechanism adopts V-arrangement goal passage to coordinate lifting table, controls goal quantity, avoids feeding mouth to block, and squeezes wound spheroid to be detected.
Five, shunt motor and adopt high-speed bidirectional rotary magnet, coordinate position-limit mechanism to limit rotational angle, can rapidly certified products and unacceptable product be separated.
Accompanying drawing explanation
Fig. 1 is the structural representation of the checkout equipment comprising spherome surface expanding unit.
Fig. 2 is the vertical view of spherome surface expanding unit along rotation axis.
Fig. 3 is shunting disk vertical view.
Fig. 4 is the sectional view of shunting disk lobus sinister sheet.
Fig. 5 is the sectional view of shunting disk lobus dexter sheet.
In figure, 1-detection dish, 2-frictional disk, 3-detect groove, 4-fricting strip, 5-liner plate, 6-detects disk-drive motor, 7-frictional disk drive motor, 8-installing plate, 9-detecting unit, 10-enters bulb, 11-goes out ball passage, 12-shunting disk, 13-diplopore funnel, 14-shunt motor, 15-gear train, 16-lifting motor, 17-lifting table, 18-goal passage, 19-ball cabinet, 20-base.
Embodiment
Embodiment 1:
A kind of spherome surface expanding unit, as shown in Figure 1-2, comprises detection dish 1, detection groove 3, frictional disk 2, fricting strip 4, liner plate 5, detects disk-drive motor 6, frictional disk drive motor 7, gear train 15, installing plate 8, base 20.
Described detection dish 1 is the disk of a profile of tooth, can adopt the self-lubricating material of low abrasion.Detecting groove 3 is be distributed in detection to coil square groove in 1 outside cylinder, and its inwall relative 45# steel friction factor is less than 0.25.Preferably, the material that detection dish adopts relative 45# steel friction factor to be less than 0.25, then detects groove along excircle processing.Described detection groove length and width, dark 0.5mm-2mm larger than sphere diameter to be detected, spheroid to be detected is placed on and detects in groove 3 and can freely rotate.1 center is coiled in detection mounting hole, and it is coaxially connected with the detection disk-drive motor 6 be installed on above detection dish 1 by transmission shaft.Described detection disk-drive motor 6 can adopt stepper motor or servomotor.
Described frictional disk 2 is the coarse disks of a upper surface, the anti-slip material that low abrasion, relatively 45# steel friction factor can be adopted to be greater than 0.4 makes, and preferably, frictional disk 2 can adopt two-layer compound disk, upper strata is coarse anti-skidding rubbing surface, and lower floor is supporting disk.Described frictional disk 2 is positioned at below detection dish 1, and 1 coaxial cable is coiled in frictional disk 2 and detection, and be parallel to each other, but do not contact, gap is between the two less than sphere diameter to be detected; It is identical that 1 outside diameter is coiled in described frictional disk 2 diameter and detection.Described frictional disk 2 is connected with frictional disk drive motor 7 by gear train 15, and frictional disk independently can be rotated relative to detection dish.Described gear train 15 can adopt Timing Belt and synchronizing wheel, and vertically connect frictional disk 2 center by transmission shaft, transmission shaft is positioned at below frictional disk 2.Described frictional disk drive motor 7 can adopt stepper motor or servomotor.
Described fricting strip 4 and liner plate 5 form side friction mechanism.Described liner plate 5 is parallel to detection dish 1, its center have one larger and coil the manhole of 1 coaxial cable with detection than detection dish 1, detection dish 1 just can be embedded in through hole and freely rotate; The thickness of liner plate 5 is more than or equal to the thickness of detection dish 1, and 1 upper surface flush is coiled in upper surface and the detection of liner plate 5.Described fricting strip 4 is circular arc, and the inwall being close to the central through hole of liner plate 5 is installed, and the height of fricting strip 4 equals liner plate thickness.Gap width between inside fricting strip 4 and outside detection dish 1 is less than sphere diameter to be detected; Fricting strip 4 is passable
The anti-slip material adopting low abrasion, relatively 45# steel friction factor to be greater than 0.4 makes.
Described detection dish 1, frictional disk 2, liner plate 5, detection disk-drive motor 6, frictional disk drive motor 7 and gear train 15 are arranged on installing plate 8 by fixed support.Described installing plate 8 is mounted obliquely within base 20, and forms acute angle between surface level, and preferably, this acute angle can be 15-50 degree.
In testing process, contact bottom spheroid with frictional disk 2, side contacts with side friction mechanism.Detection dish 1 ceaselessly at the uniform velocity rotates to direction in testing process, and frictional disk 2 ceaselessly changes speed in testing process, and along and detection coil 1 identical direction and rotate.By the speed discrepancy between adjustment detection dish 1 and frictional disk 2, change balls tumble direction, thus realize the expansion completely of spherome surface.
Embodiment 2:
The invention also achieves a kind of spherical surface defect pick-up unit, as Figure 1-3, comprise goal mechanism, spherome surface expanding unit, detecting unit 9 and Chu Qiu mechanism, described goal mechanism comprises ball cabinet 19, goal passage 18, lifting table 17, lifting motor 16, enters bulb 10; Chu Qiu mechanism comprises ball passage 11, shunting disk 12, shunting motor 14, diplopore funnel 13.
Described ball cabinet 19 is tilted-putted square container, the spherical cavity of its lowest part connects with the upper end of goal passage 18, the lower end of goal passage 18 is connected with lifting table 17 is vertical, described goal passage 18 adopts v-shaped track, and described lifting table 17 upper surface adopts the V-arrangement consistent with goal passage 18.
Lifting table 17 can pump under the driving of lifting motor 16, and minimum point can be concordant with goal passage 18 lower end, and peak can be concordant with entering bulb 10 upper end open; Described lifting motor 16 is connected with lifting table 17 with connecting rod by cam; Lifting table 17 is close to by the described bulb 10 that enters, and its internal diameter is larger than sphere size, and tube wall is smooth.The lower end entering bulb 10 flushes with the most upper limb of detection dish in described expanding unit 1.
In the testing process of spheroid, when lifting table 17 is positioned at minimum point, spheroid slips into lifting table 17 from goal passage 18, then lifting table 17 promotes spheroid to the height entering bulb 10 entrance, spheroid to be detected is slipped in bulb 10, because the lower end entering bulb 10 flushes with the most upper limb of detection dish 1, spheroid thus can be made to be slipped to detection and to coil in the detection groove 3 of 1 most significant digit.
Spheroid will turn to below detecting unit 9 under the drive of detection dish 1, make spherome surface be presented in surveyed area.Described detecting unit 9 can be one or more in the detection means such as imageing sensor, eddy current sensor, optical sensor, and quantity may more than one.In testing process, due to expanding unit slant setting, contact bottom spheroid with the frictional disk 2 in expanding unit, side contacts with the fricting strip 4 in expanding unit.By adjusting the speed discrepancy of detection dish and frictional disk, spherome surface is launched completely.Detecting unit 9 obtains the detection data of spheroid all angles to be detected, output detections result.
Along with the rotation of detection dish 1, spheroid skids off by gravity and detects groove 3, falls into out ball passage 11.Described goes out the side coil that ball passage 11 is arranged in expanding unit liner plate 5.Described to go out ball passage 11 are grooves through liner plate 5, and the opening of groove is towards the center of circle of detection dish 1, and A/F is greater than and detects groove 3 width, and it is 40 to 75 to spend that angular range formed by the line in 1 center of circle and the perpendicular bisector of liner plate 5 is coiled in open centre point and detection.
Described shunting disk 12 is positioned at below ball passage 11.Described shunting motor 14 is directly connected with shunting disk 12 end by transmission shaft.Described diplopore funnel 13 is positioned at below shunting disk 12.As shown in Fig. 3, Fig. 4, Fig. 5, described shunting disk 12 comprises 2 the sector diffuence blades in left and right, and two panels blade bends in the opposite direction along axis, has the through hole that larger than sphere diameter in every sheet blade.As shown in Figure 4, the through hole of lobus sinister sheet is near shunting disk 12 axle center.As shown in Figure 5, the through hole of lobus dexter sheet is near shunting disk 12 outward flange.Described diplopore funnel 13 has two funnel holes, and each funnel hole corresponds respectively to a through hole of shunting disk 12.Spheroid to be detected falls from going out ball passage 11, and according to testing result, shunting motor 14 rotates shunting disk 12, makes only to have before a slice blade is positioned at ball passage 11 and diplopore funnel 13.Only have a funnel hole to be positioned at below the through hole of blade, another funnel hole is blocked by blade.Spheroid to be detected drops on blade, and the through hole through blade flows to diplopore funnel 13, makes spheroid just enter the funnel hole of below through blade.The end of funnel 13 is connected with out bulb.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within right of the present invention.
Claims (10)
1. a spherome surface expanding unit, comprise detection dish, detection groove, frictional disk, side friction mechanism, detect disk-drive motor, frictional disk drive motor, installing plate, described detection dish is the disk of a profile of tooth, described detection groove is distributed in the outside cylinder of detection dish, described frictional disk is a disk, be positioned at below described detection dish, and both coaxial cables; Described side friction mechanism is parallel to detection dish, and described detection dish is embedded in the friction mechanism of side and can freely rotates; Described detection dish, frictional disk, side friction mechanism, detection disk-drive motor, frictional disk drive motor are installed on a mounting board, described installing plate slant setting.
2. spherome surface expanding unit according to claim 1, is characterized in that: described detection groove is square groove, and spheroid to be detected is placed on and detects in groove and can freely rotate; In testing process, contact bottom spheroid with frictional disk, side contacts with side friction mechanism; Detect groove inwall relative 45# steel friction factor and be less than 0.25.
3. spherome surface expanding unit according to claim 1 and 2, is characterized in that: described detection disk-drive motor and frictional disk drive motor adopt stepper motor or servomotor.
4. spherome surface expanding unit according to claim 1 and 2, is characterized in that: there is gap between described detection dish and frictional disk, gap width is less than sphere diameter to be detected, and detection dish and frictional disk can freely rotate independently of each other.
5. spherome surface expanding unit according to claim 1 and 2, it is characterized in that: described side friction mechanism comprises liner plate and fricting strip, described fricting strip is installed on the inwall of liner plate central through hole along detection dish excircle, and the gap width between fricting strip and detection dish outermost is less than sphere diameter to be detected.
6. spherome surface expanding unit according to claim 5, is characterized in that: described frictional disk upper surface adopts the anti-slip material of low abrasion to make, and the fricting strip in described side friction mechanism adopts the anti-slip material of low abrasion to make.
7. spherome surface expanding unit according to claim 1 and 2, is characterized in that: by the speed discrepancy between adjustment detection dish and frictional disk, changes balls tumble direction, realizes the expansion completely of spherome surface.
8. a spherical surface defect checkout equipment, comprises the expanding unit according to any one of claim 1-7, goal mechanism, detecting unit, Chu Qiu mechanism, and described goal mechanism comprises ball cabinet, goal passage, lifting table, lifting motor, enters bulb; Described goal passage adopts v-shaped track, and connects with the spherical cavity of ball cabinet; Described lifting table and goal channel vertical; The described bulb that enters is positioned at lifting table side, is close to lifting table; The detection groove of the lower end and peak in expanding unit that enter bulb aligns; Described Chu Qiu mechanism comprises ball passage, shunting disk, shunting motor, diplopore funnel; Described goes out the side coil that ball passage is positioned at side friction mechanism, and the spheroid to be detected in detection dish can turn to out the entrance of ball passage; Described shunting disk is positioned at below ball passage; Described diplopore funnel is positioned at below shunting disk.
9. spherical surface defect checkout equipment according to claim 8, it is characterized in that: described lifting table cross section is the V-arrangement cross section consistent with goal passage, lifting table can move up and down under lifting motor drives, and minimum point is concordant with goal passage, and peak is concordant with entering bulb upper end open.
10. spherical surface defect checkout equipment according to claim 8 or claim 9, it is characterized in that: described to go out ball passage be groove through side friction mechanism, be positioned at the side coil of side friction mechanism, the opening of groove coils the center of circle towards detection, and A/F is greater than detection well width; Described shunting disk comprises 2 sector diffuence blades, and have the through hole that larger than sphere diameter in every sheet blade, one of them through hole is near the axle center of shunting disk, and another through hole is near shunting disk outward flange; In described diplopore funnel, each hole respectively corresponds to the through hole on shunting disk a slice blade; Described funnel hole end is respectively connected with one and goes out bulb.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510935489.6A CN105301014B (en) | 2015-12-15 | 2015-12-15 | The spherical surface defect detection device of spherome surface expanding unit and the application device |
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| CN201510935489.6A CN105301014B (en) | 2015-12-15 | 2015-12-15 | The spherical surface defect detection device of spherome surface expanding unit and the application device |
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| CN105954300A (en) * | 2016-07-04 | 2016-09-21 | 哈尔滨理工大学 | Meridian steel ball surface spreading device |
| CN106153637A (en) * | 2016-07-04 | 2016-11-23 | 哈尔滨理工大学 | Meridian list roller frictional disk steel ball surface development mechanism |
| CN106290364A (en) * | 2016-08-08 | 2017-01-04 | 哈尔滨理工大学 | Meridian three dish steel ball surface launches testing agency |
| CN106352832A (en) * | 2016-08-08 | 2017-01-25 | 哈尔滨理工大学 | Meridian double-wheel guide steel ball surface development mechanism |
| CN106826462A (en) * | 2017-03-28 | 2017-06-13 | 安庆机床有限公司 | Automatic pressure-regulating type ball crusher |
| CN108426887A (en) * | 2018-03-05 | 2018-08-21 | 陈叶 | A kind of automatic detection system |
| CN108426888A (en) * | 2018-03-05 | 2018-08-21 | 陈叶 | A kind of robot automation's detection device |
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| CN105954300A (en) * | 2016-07-04 | 2016-09-21 | 哈尔滨理工大学 | Meridian steel ball surface spreading device |
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| CN106352832A (en) * | 2016-08-08 | 2017-01-25 | 哈尔滨理工大学 | Meridian double-wheel guide steel ball surface development mechanism |
| CN106826462A (en) * | 2017-03-28 | 2017-06-13 | 安庆机床有限公司 | Automatic pressure-regulating type ball crusher |
| CN106826462B (en) * | 2017-03-28 | 2019-01-08 | 安庆机床有限公司 | Automatic pressure-regulating type ball crusher |
| CN108426887A (en) * | 2018-03-05 | 2018-08-21 | 陈叶 | A kind of automatic detection system |
| CN108426888A (en) * | 2018-03-05 | 2018-08-21 | 陈叶 | A kind of robot automation's detection device |
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| CN105301014B (en) | 2018-09-04 |
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