CN103398677B - A kind of drag angle precise detection device carrying out the adjustment of feeder line height - Google Patents
A kind of drag angle precise detection device carrying out the adjustment of feeder line height Download PDFInfo
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- CN103398677B CN103398677B CN201310361951.7A CN201310361951A CN103398677B CN 103398677 B CN103398677 B CN 103398677B CN 201310361951 A CN201310361951 A CN 201310361951A CN 103398677 B CN103398677 B CN 103398677B
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Abstract
A kind of drag angle precise detection device carrying out the adjustment of feeder line height, can be used for the Precision measurement to drag angle in the automatic zero defect winding process of optical-fibre precise, can avoid and eliminate the gap in optical fiber automatic winding displacement process and return the winding defects such as folded, precise wire arrangement requirement during optical fiber automatic winding can be met.It is arranged on the lifter plate of feeder line arrangement for adjusting height by frame body assembly industrial CCD video camera and strip source, and the motion optical fiber immediately below the alignment lens making industrial CCD video camera; When the Optical Fiber Winding number of plies increases, lifter plate drives feeder line wheel, industrial CCD video camera and strip source to rise simultaneously, and the optical fiber that feeder line is taken turns between bobbin remains level, improves the spatial accuracy that drag angle is measured; And industrial CCD video camera and strip source are taken and the Distance geometry angle of throwing light on remains constant to optical fiber, ensure that the homogeneity of drag angle image capture conditions, thus achieve the Precision measurement of drag angle.
Description
Technical field
The invention belongs to optical-fibre precise winding technology field, relate to a kind of drag angle precise detection device carrying out the adjustment of feeder line height, be particularly useful for the Precision measurement to drag angle in the automatic zero defect winding process of optical-fibre precise.
Background technology
Optical fiber, with the material of its uniqueness and fine quality, is widely applied, especially at military aspect in national economy field.Optical-fibre guidance tool has broad application prospects, and optical-fibre precise winding is an important technology in optical-fibre guidance.Optical-fibre precise be wound around be exactly by optical fiber with the winding pattern of certain winding tension and regulation successively zero defect be critically wound on bobbin, finally form the winding that meets winding precision requirement.Must accomplish precise wire arrangement when winding is wound around, namely optical fiber marshalling on bobbin is even, between circle and circle and between layers close contact, must not occur gap and return folded grade being wound around defect.
The factor affecting optical-fiber precision flat cable is a lot, and wherein drag angle is the key in many factors.Drag angle is exactly that optical fiber will have a little angle when being wound on bobbin with the direction perpendicular to bobbin axle center, and this angle is drag angle.When optical-fibre precise is wound around, optical fiber nestles up optical fiber that last circle wound around upper bobbin, therefore need keep certain drag angle during Optical Fiber Winding.Along with the change of drag angle size and Orientation, also can there is respective change in the direction of Optical Fiber Winding and turn-to-turn interval.Drag angle is too small, then turn-to-turn interval increases, and interstitial defect occurs; Drag angle is excessive, then easily folded defect occurs back, and namely follow-up optical fiber is pressed in above on optical fiber.Therefore for realizing precise wire arrangement, drag angle should control in a more accurate scope, with control gap and time folded generation waiting winding defect.
In optical-fibre precise winding technology field, current known technology adopts high-precision AC servo and high-accuracy topworks to carry out precise wire arrangement, the precise wire arrangement requirement of winding can be met theoretically completely, but due to the impact of the uncertain factors such as optical fiber actual wire diameter change inequality, tension fluctuation, in optical-fiber precision flat cable process, drag angle constantly changes in real time.Because existing precise wire arrangement technique lacks effective means and device drag angle being carried out to Precision measurement and control, when drag angle change exceeds certain limit, still there will be gap during winding displacement and return folded grade and be wound around defect, the precise wire arrangement requirement of winding during optical-fibre precise automatic winding can not be met.Therefore still continue to adopt semi-automatic artificial to force the canoe of line in existing precision-wound technique, labour intensity is large, and production efficiency is extremely low, high to personnel's skill set requirements, and winding mass is very unstable, can not meet the demand of optical fiber winding batch production far away.
About the method and apparatus of drag angle Precision measurement, application for a patent for invention " lag angle control system in precision winding device " (200910218619.9) discloses, and " lag angle control system in a kind of precision winding device, is characterized in that: comprise accurate camera head, high rate burst communication system, precise wire arrangement system.。。Described accurate camera head is CCD camera head ".This application has made description for the lag angle control system in precision winding device from control principle aspect, but and unexposed or mention the integral layout relation of main detecting element and other functional part in the concrete structure pattern of lag angle control system and drag angle pick-up unit, more do not propose to reduce drag angle imaging error in detection mode, improve measure and means that drag angle accuracy of detection institute should take further, also have no in the document that other is published and report or mention.
Summary of the invention
The effective means and the process unit that drag angle are carried out to Precision measurement and control is lacked in order to overcome and make up existing fiber precise wire arrangement technique, the technical deficiency that the precise wire arrangement that cannot meet winding during optical-fibre precise automatic winding requires and defect, the invention provides a kind of drag angle precise detection device carrying out the adjustment of feeder line height, it is arranged on the lifter plate of feeder line arrangement for adjusting height by frame body assembly industrial CCD video camera and strip source, and from the motion optical fiber between feeder line wheel to bobbin immediately below the alignment lens making industrial CCD video camera; When the Optical Fiber Winding number of plies increases, lifter plate can drive optical fiber feeder wheel, industrial CCD video camera and strip source to rise simultaneously; By increasing the feeder line height of feeder line wheel, the optical fiber that feeder line is taken turns between bobbin remains level, improves the spatial accuracy that drag angle is measured; And industrial CCD video camera and strip source are taken and the Distance geometry angle of throwing light on remains constant to optical fiber, ensure that the homogeneity of drag angle image capture conditions, thus greatly reduce the imaging error of drag angle image, achieving the Precision measurement of drag angle in precise wire arrangement process, providing strong technological means for realizing precise wire arrangement.
The technical solution adopted for the present invention to solve the technical problems is: a kind of drag angle precise detection device carrying out the adjustment of feeder line height, comprise drag angle precise detection device and feeder line arrangement for adjusting height, drag angle precise detection device is arranged on the front of the lifter plate of feeder line arrangement for adjusting height, it is characterized in that: drag angle precise detection device comprises frame body, camera lens, industrial CCD video camera, support, adjustment backing plate, 2 set screw 1, strip source, light source bracket 1, light source bracket 2,4 set screw 2; Described frame body comprises aluminium section bar 1, aluminium section bar 2, aluminium section bar 3, aluminium section bar 4, interior web joint, outside link plate, upper junction plate, lower connecting plate and 2 T-shaped web joints; In described frame body, aluminium section bar 1, aluminium section bar 2, aluminium section bar 3, aluminium section bar 4 order vertical connection; Aluminium section bar 1 overlaps with aluminium section bar 2 is vertical in perpendicular, and is combined as a whole by interior web joint and outside link plate; Aluminium section bar 2 overlaps with aluminium section bar 3 is vertical in surface level, and is combined as a whole by upper junction plate and lower connecting plate; Aluminium section bar 3 overlaps with aluminium section bar 4 is vertical in perpendicular, and is combined as a whole by 2 T-shaped web joints; Therefore aluminium section bar 1, aluminium section bar 2, aluminium section bar 3, the as a whole space frame of the vertical connection of aluminium section bar 4 order; Aluminium section bar 1 in described frame body is arranged on the front of described lifter plate; Camera lens, industrial CCD video camera, support, adjustment backing plate, aluminium section bar 4 are linked in sequence, and its medium-height trestle, adjustment backing plate adopt 2 set screw 1 to be connected with aluminium section bar 4; Can slide up and down along the installation slotted eye of aluminium section bar 4 when 2 set screw 1 are unclamped, therefore change the setting height(from bottom) of industrial CCD video camera by 2 set screw 1, to obtain the best field range meeting the continuous photographing request frame by frame of industrial CCD video camera; By adjusting the thickness of adjustment backing plate, can make immediately below the alignment lens of industrial CCD video camera from the optical fiber that feeder line wheel moves to bobbin; By industrial CCD video camera to immediately below the optical fiber of high-speed motion of process carry out taking frame by frame continuously, obtain the consecutive variations image of optical fiber drag angle, to realize the Real-time and Dynamic Detection to drag angle;
The two ends of strip source are connected with light source bracket 1 and light source bracket 2 respectively, and light source bracket 1 and light source bracket 2 are installed on the lower surface of aluminium section bar 3; Light source bracket 1 and light source bracket 2 with the surface of contact at strip source two ends on all have two isocentric circular arc holes, therefore 4 set screw 2 are unclamped, strip source can arcuately hole central rotation, to obtain optimal illumination angle, optical fiber between described feeder line wheel and bobbin is in the irradiation area of strip source all the time, thus enable industrial CCD video camera photograph highlighted motion optical fiber drag angle image, be beneficial to the smooth identification to drag angle image and detection;
Feeder line arrangement for adjusting height comprises stepper motor, flange, upper mounting plate, riser, lower installation board, mount pad, web joint, bent plate, transition wheel, transition wheel shaft, shaft coupling, precision ball screw, stiff end supporting component, bearing, nut, nut seat, described lifter plate, 4 linear axis bearings, 4 linear bearings, 2 guideposts, described feeder line wheel, feeder line axles; Stepper motor, flange, upper mounting plate are linked in sequence, upper mounting plate and lower installation board all with riser vertical connection, lower installation board, mount pad, web joint are linked in sequence, and bent plate is arranged on web joint, and transition wheel is by the transition axle bearing be installed on bent plate; The output shaft of stepper motor, shaft coupling, precision ball screw are linked in sequence, and the upper end of precision ball screw is supported by the stiff end supporting component be arranged in upper mounting plate, and lower end is by the bearings be arranged in lower installation board; Precision ball screw and nut form precision ball screw transmission; Nut is arranged in nut seat, and nut seat is arranged on the back side of described lifter plate, and relatively described lifter plate is symmetrical; 4 linear axis bearing in the vertical directions one group between two, opposing nut seat Central Symmetry is installed on the back side of described lifter plate, in each linear axis bearing, linear bearing is all installed, two groups of linear bearings are led by the guidepost of two vertical parallel installations, the upper end of two guideposts is connected with upper mounting plate, and lower end is connected with lower installation board; Described feeder line wheel is supported by feeder line axle, and feeder line axle is installed on the front of described lifter plate.
In optical-fibre precise automatic winding process, along with bobbin is wound around the increase of the number of plies, lifter plate can be driven to rise along guidepost through precision ball screw transmission by stepper motor, the corresponding increase of feeder line height that feeder line is taken turns; Stepper motor can convert pulse signal to micro-stepping rotary motion, has step pitch accurately, without drift, advantage without cumulative errors, and accurately can be locked in fixed position; Precision ball screw transmission can realize the high precision conversion from rotary motion to rectilinear motion, and therefore the kind of drive of employing driving stepper motor precision ball screw transmission can realize the fine adjustment to feeder line height.Feeder line height regulative mode is batch (-type).Be wound up as example with ground floor and the second layer below, the specific works process of apparatus of the present invention is described.
First by the setting of starting condition, ensure that the optical fiber that ground floor is wound around when starting between bobbin and feeder line wheel keeps level, carry out in ground floor winding process at optical fiber, because changing layer change, on bobbin, the height of Optical Fiber Winding does not change, therefore the optical fiber between bobbin and feeder line wheel continues maintenance level, and industrial CCD video camera and strip source under static state all to be taken respectively the optical fiber of high-speed motion with fixing Distance geometry angle and are thrown light on, now can meet the requirement of drag angle Precision measurement without the need to carrying out the adjustment of feeder line height, therefore in ground floor winding process, feeder line arrangement for adjusting height does not perform any action, when the complete ground floor of Optical Fiber Winding, when starting to carry out second layer winding, winding on bobbin highly adds the distance of a fibre diameter, now can be sent the pulse signal of fixed number to stepper motor driver by control system, stepper motor output shaft is made accurately to turn over a fixed angle, and drive precision ball screw transmission to make lifter plate increase along guidepost the height of a fibre diameter simultaneously, feeder line is taken turns, industrial CCD video camera and strip source also rise with lifter plate the height of a fibre diameter, thus the optical fiber making feeder line take turns between bobbin continues maintenance level, simultaneously industrial CCD video camera and strip source are taken optical fiber and the Distance geometry angle of throwing light on continues to remain unchanged, the feeder line height adjustment movement of carrying out when so far the second layer is wound around beginning terminates, optical fiber proceeds the second layer and is wound around, feeder line arrangement for adjusting height no longer action therebetween, terminate until the second layer is wound around, when third layer is wound around and starts, feeder line arrangement for adjusting height starts action again ... so iterative cycles carries out the adjustment of batch (-type) feeder line height, and the optical fiber that feeder line can be made to take turns between bobbin remains level, improves the spatial accuracy that drag angle is measured, and industrial CCD video camera and strip source are taken and the Distance geometry angle of throwing light on remains constant to optical fiber, ensure that the homogeneity of drag angle image capture conditions, thus greatly reduce the imaging error of drag angle image, achieve the Precision measurement of drag angle in optical-fiber precision flat cable process.
The invention has the beneficial effects as follows, by the fine adjustment to feeder line height, the optical fiber that feeder line is taken turns between bobbin remains level, improves the spatial accuracy that drag angle is measured; And industrial CCD video camera and lighting source are taken and the Distance geometry angle of throwing light on remains constant to optical fiber, ensure that the homogeneity of drag angle image capture conditions, thus greatly reduce the imaging error of drag angle image, achieve the Precision measurement of drag angle in optical-fiber precision flat cable process; The control system that can be optical-fiber precision flat cable topworks provides the accurate change information of drag angle, make drag angle variation range precisely controlled, thus avoid and eliminate the gap of easy appearance in optical fiber automatic winding displacement process and return the winding defects such as folded, the precise wire arrangement requirement of winding during optical-fibre precise automatic winding can be met, for optical-fibre precise automatic winding displacement provides strong technological means and process unit, provide necessary technical conditions for the automatic zero defect of round Realization optical-fibre precise is wound around.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described.
Fig. 1 is a specific embodiment of the present invention.
Fig. 2 is the vertical view of Fig. 1.
Fig. 3 is the left view of Fig. 1.
Fig. 4 is A-A cut-open view of Fig. 3.
Fig. 5 is the right view of Fig. 1.
Fig. 6 is the I place enlarged drawing of Fig. 3.
Fig. 7 is the J place enlarged drawing of Fig. 5.
Fig. 8 is drag angle θ schematic diagram.
Fig. 9 is in optical-fiber precision flat cable process, the interstitial defect schematic diagram occurred when drag angle is too small.
Figure 10 is in optical-fiber precision flat cable process, and what occur when drag angle is excessive returns folded defect schematic diagram.
In figure: 1. light source bracket 1, 2. light source bracket 2, 3. strip source, 4. aluminium section bar 3, 5.T type web joint, 6. aluminium section bar 4, 7. upper junction plate, 8. lower connecting plate, 9. aluminium section bar 1, 10. lifter plate, 11. mount pads, 12. bent plates, 13. lower installation boards, 14. risers, 15. upper mounting plates, 16. camera lenses, 17. industrial CCD video cameras, 18. supports, 19. adjustment backing plates, 20. aluminium section bars 2, web joint in 21., 22. feeder line wheels, 23. feeder line axles, 24. guideposts, 25. linear axis bearings, 26. linear bearings, 27. nut seats, 28. nuts, 29. precision ball screws, 30. stiff end supporting components, 31. shaft couplings, 32. flanges, 33. stepper motors, 34. transition wheels, 35. transition wheel shafts, 36. web joints, 37. optical fiber, 38. bobbins, 39. outside link plates, 40. set screw 1, 41. set screw 2, 42. bearings.
Embodiment
In Fig. 1, Fig. 2, Fig. 3, Fig. 4 and Fig. 5, specific embodiments of the invention comprise drag angle precise detection device and feeder line arrangement for adjusting height, and drag angle precise detection device is arranged on the front of the lifter plate (10) of feeder line arrangement for adjusting height;
In Fig. 1, Fig. 2, Fig. 3 and Fig. 5, drag angle precise detection device comprise frame body, camera lens (16), industrial CCD video camera (17), support (18), adjustment backing plate (19), 2 set screw 1(40), strip source (3), light source bracket 1(1), light source bracket 2(2), 4 set screw 2(41); Described frame body comprises aluminium section bar 1(9), aluminium section bar 2(20), aluminium section bar 3(4), aluminium section bar 4(6), interior web joint (21), outside link plate (39), upper junction plate (7), lower connecting plate (8) and 2 T-shaped web joints (5); In described frame body, aluminium section bar 1(9), aluminium section bar 2(20), aluminium section bar 3(4), aluminium section bar 4(6) order vertical connection; Aluminium section bar 1(9) with aluminium section bar 2(20) vertically in perpendicular to overlap, and to be combined as a whole by interior web joint (21) and outside link plate (39); Aluminium section bar 2(20) with aluminium section bar 3(4) vertically in surface level to overlap, and to be combined as a whole by upper junction plate (7) and lower connecting plate (8); Aluminium section bar 3(4) with aluminium section bar 4(6) vertically in perpendicular to overlap, and to be combined as a whole by 2 T-shaped web joints (5); Therefore aluminium section bar 1(9), aluminium section bar 2(20), aluminium section bar 3(4), aluminium section bar 4(6) order is vertical connects as a whole space frame; Aluminium section bar 1(9 in described frame body) be arranged on the front of described lifter plate (10); Camera lens (16), industrial CCD video camera (17), support (18), adjustment backing plate (19), aluminium section bar 4(6) be linked in sequence, its medium-height trestle (18), adjustment backing plate (19) and aluminium section bar 4(6) adopt 2 set screw 1(40) be connected; 2 set screw 1(40) can along aluminium section bar 4(6 when unclamping) installation slotted eye slide up and down, therefore by 2 set screw 1(40) change the setting height(from bottom) of industrial CCD video camera (17), to obtain the best field range meeting industrial CCD video camera (17) photographing request frame by frame continuously; By adjusting the thickness of adjustment backing plate (19), the optical fiber (37) moved from feeder line wheel (22) to bobbin (38) immediately below the camera lens of industrial CCD video camera (17) (16) aligning can be made; By industrial CCD video camera (17) to immediately below the optical fiber (37) of high-speed motion of process carry out taking frame by frame continuously, obtain the consecutive variations image of optical fiber drag angle, to realize the Real-time and Dynamic Detection to drag angle;
In Fig. 1, Fig. 3, Fig. 5, Fig. 6 and Fig. 7, the two ends of strip source (3) respectively with light source bracket 1(1) and light source bracket 2(2) be connected, light source bracket 1(1) and light source bracket 2(2) be installed on aluminium section bar 3(4) lower surface on; At light source bracket 1(1) and light source bracket 2(2) with the surface of contact at strip source (3) two ends on all have two isocentric circular arc holes, therefore 4 set screw 2(41 are unclamped), strip source (3) can arcuately hole central rotation, to obtain optimal illumination angle, the optical fiber (37) between described feeder line wheel (22) and bobbin (38) is made to be in the irradiation area of strip source (3) all the time, thus make industrial CCD video camera (17) that highlighted motion optical fiber drag angle image can be photographed, be beneficial to the smooth identification to drag angle image and detection;
At Fig. 1, Fig. 2, Fig. 3, in Fig. 4 and Fig. 5, feeder line arrangement for adjusting height comprises stepper motor (33), flange (32), upper mounting plate (15), riser (14), lower installation board (13), mount pad (11), web joint (36), bent plate (12), transition wheel (34), transition wheel shaft (35), shaft coupling (31), precision ball screw (29), stiff end supporting component (30), bearing (42), nut (28), nut seat (27), described lifter plate (10), 4 linear axis bearings (25), 4 linear bearings (26), 2 guideposts (24), described feeder line wheel (22), feeder line axle (23), stepper motor (33), flange (32), upper mounting plate (15) are linked in sequence, upper mounting plate (15) and lower installation board (13) all with riser (14) vertical connection, lower installation board (13), mount pad (11), web joint (36) are linked in sequence, bent plate (12) is arranged on web joint (36), and transition wheel (34) is supported by the transition wheel shaft (35) be installed on bent plate (12), the output shaft of stepper motor (33), shaft coupling (31), precision ball screw (29) are linked in sequence, the upper end of precision ball screw (29) is supported by the stiff end supporting component (30) be arranged in upper mounting plate (15), and lower end is supported by the bearing (42) be arranged in lower installation board (13), precision ball screw (29) and nut (28) form precision ball screw transmission, nut (28) is arranged in nut seat (27), and nut seat (27) is arranged on the back side of described lifter plate (10), and relatively described lifter plate (10) is symmetrical, 4 linear axis bearing (25) in the vertical directions one group between two, opposing nut seat (27) Central Symmetry is installed on the back side of described lifter plate (10), in each linear axis bearing (25), linear bearing (26) is all installed, two groups of linear bearings (26) are led by the guidepost (24) of two vertical parallel installations, the upper end of two guideposts (24) is connected with upper mounting plate (15), and lower end is connected with lower installation board (13), described feeder line wheel (22) is supported by feeder line axle (23), and feeder line axle (23) is installed on the front of described lifter plate (10).
Be wound up as example with ground floor and the second layer below, the specific works process of this specific embodiment is described.
First by the setting of starting condition, ensure that the optical fiber (37) that ground floor is wound around when starting between bobbin (38) and feeder line wheel (22) keeps level, carry out in ground floor winding process at optical fiber (37), because changing layer change, the height of the upper Optical Fiber Winding of bobbin (38) does not change, therefore the optical fiber (37) between bobbin (38) and feeder line wheel (22) continues maintenance level, and industrial CCD video camera (17) and strip source (3) are under static state all taken respectively with the fixing optical fiber (37) of Distance geometry angle to high-speed motion and throw light on, now can meet the requirement of drag angle Precision measurement without the need to carrying out the adjustment of feeder line height, therefore there is not any action in feeder line arrangement for adjusting height in ground floor winding process, when optical fiber (37) has been wound around ground floor, when starting to carry out second layer winding, winding on bobbin (38) highly adds the distance of a fibre diameter, now can be sent the pulse signal of fixed number to the drive source of stepper motor (33) by control system, stepper motor (33) output shaft is made accurately to turn over a fixed angle, and drive precision ball screw transmission to make (10) along the height of guidepost (24) rising fibre diameter simultaneously, feeder line wheel (22), industrial CCD video camera (17) and strip source (3) are also with the height of lifter plate (10) rising fibre diameter, thus the optical fiber (37) making feeder line take turns between (22) and bobbin (38) continues maintenance level, simultaneously industrial CCD video camera (17) and strip source (3) are taken optical fiber (37) and the Distance geometry angle of throwing light on continues to remain unchanged, the feeder line height adjustment movement of carrying out when so far the second layer is wound around beginning terminates, optical fiber (37) proceeds the second layer and is wound around, feeder line arrangement for adjusting height no longer action therebetween, terminate until the second layer is wound around, when third layer is wound around and starts, feeder line height adjustment mechanism starts action again ... so iterative cycles carries out the adjustment of feeder line height, the optical fiber (37) that feeder line can be made to take turns between (22) and bobbin (38) remains level, improves the spatial accuracy that drag angle is measured, and industrial CCD video camera (17) and strip source (3) are taken and the Distance geometry angle of throwing light on remains constant to optical fiber (37), ensure that the homogeneity of drag angle image capture conditions, thus greatly reduce the imaging error of drag angle image, achieve the Precision measurement of drag angle in optical-fiber precision flat cable process.
In fig. 8, Optical Fiber Winding motion is composited primarily of the pivoting movement of bobbin (38) and the axial feed motion of bobbin (38) itself; Figure 8 shows that drag angle schematic diagram when optical fiber (37) is wound around to large end by bobbin (38) small end.In fig. 8, drag angle θ is optical fiber (37) and angle formed by bobbin (38) axis direction.In the ideal situation, if do not consider the impact of the uncertain factors such as the change of optical fiber wire diameter inequality, tension variation, optical fiber (37) is often wound around a circle, and bobbin (38) is by the distance of a shown by arrow direction slow astern fibre diameter, and drag angle θ should remain unchanged.
In fig .9, if drag angle is too small in optical-fiber precision flat cable process, then turn-to-turn interval increases, and interstitial defect occurs.
In Fig. 10, if drag angle is excessive in optical-fiber precision flat cable process, then easily there is back folded defect, on the optical fiber that namely follow-up optical fiber has twined before being pressed in.
Claims (1)
1. one kind can be carried out the drag angle precise detection device of feeder line height adjustment, comprise drag angle precise detection device and feeder line arrangement for adjusting height, drag angle precise detection device is arranged on the front of the lifter plate (10) of feeder line arrangement for adjusting height, it is characterized in that: drag angle precise detection device comprise frame body, camera lens (16), industrial CCD video camera (17), support (18), adjustment backing plate (19), 2 set screw 1(40), strip source (3), light source bracket 1(1), light source bracket 2(2), 4 set screw 2(41); Described frame body comprises aluminium section bar 1(9), aluminium section bar 2(20), aluminium section bar 3(4), aluminium section bar 4(6), interior web joint (21), outside link plate (39), upper junction plate (7), lower connecting plate (8) and 2 T-shaped web joints (5); In described frame body, aluminium section bar 1(9), aluminium section bar 2(20), aluminium section bar 3(4), aluminium section bar 4(6) order vertical connection; Aluminium section bar 1(9) with aluminium section bar 2(20) vertically in perpendicular to overlap, and to be combined as a whole by interior web joint (21) and outside link plate (39); Aluminium section bar 2(20) with aluminium section bar 3(4) vertically in surface level to overlap, and to be combined as a whole by upper junction plate (7) and lower connecting plate (8); Aluminium section bar 3(4) with aluminium section bar 4(6) vertically in perpendicular to overlap, and to be combined as a whole by 2 T-shaped web joints (5); Therefore aluminium section bar 1(9), aluminium section bar 2(20), aluminium section bar 3(4), aluminium section bar 4(6) order is vertical connects as a whole space frame; Aluminium section bar 1(9 in described frame body) be arranged on the front of described lifter plate (10); Camera lens (16), industrial CCD video camera (17), support (18), adjustment backing plate (19), aluminium section bar 4(6) be linked in sequence, its medium-height trestle (18), adjustment backing plate (19) and aluminium section bar 4(6) adopt 2 set screw 1(40) be connected; 2 set screw 1(40) can along aluminium section bar 4(6 when unclamping) installation slotted eye slide up and down, therefore by 2 set screw 1(40) change the setting height(from bottom) of industrial CCD video camera (17), to obtain the best field range meeting industrial CCD video camera (17) photographing request frame by frame continuously; By adjusting the thickness of adjustment backing plate (19), the optical fiber (37) moved from feeder line wheel (22) to bobbin (38) immediately below the camera lens of industrial CCD video camera (17) (16) aligning can be made; By industrial CCD video camera (17) to immediately below the optical fiber (37) of high-speed motion of process carry out taking frame by frame continuously, obtain the consecutive variations image of optical fiber drag angle, to realize the Real-time and Dynamic Detection to drag angle;
The two ends of strip source (3) respectively with light source bracket 1(1) and light source bracket 2(2) be connected, light source bracket 1(1) and light source bracket 2(2) be installed on aluminium section bar 3(4) lower surface on; At light source bracket 1(1) and light source bracket 2(2) with the surface of contact at strip source (3) two ends on all have two isocentric circular arc holes, 4 set screw 2(41) insert respectively in above-mentioned 4 isocentric circular arc holes, thus realize strip source (3) can arcuately hole central rotation; Therefore 4 set screw 2(41 are unclamped), strip source (3) can arcuately hole central rotation, to obtain optimal illumination angle, the optical fiber (37) between described feeder line wheel (22) and bobbin (38) is made to be in the irradiation area of strip source (3) all the time, thus make industrial CCD video camera (17) that highlighted motion optical fiber drag angle image can be photographed, be beneficial to the smooth identification to drag angle image and detection;
Feeder line arrangement for adjusting height comprises stepper motor (33), flange (32), upper mounting plate (15), riser (14), lower installation board (13), mount pad (11), web joint (36), bent plate (12), transition wheel (34), transition wheel shaft (35), shaft coupling (31), precision ball screw (29), stiff end supporting component (30), bearing (42), nut (28), nut seat (27), described lifter plate (10), 4 linear axis bearings (25), 4 linear bearings (26), 2 guideposts (24), described feeder line wheel (22), feeder line axle (23), stepper motor (33), flange (32), upper mounting plate (15) are linked in sequence, upper mounting plate (15) and lower installation board (13) all with riser (14) vertical connection, lower installation board (13), mount pad (11), web joint (36) are linked in sequence, bent plate (12) is arranged on web joint (36), and transition wheel (34) is supported by the transition wheel shaft (35) be installed on bent plate (12), the output shaft of stepper motor (33), shaft coupling (31), precision ball screw (29) are linked in sequence, the upper end of precision ball screw (29) is supported by the stiff end supporting component (30) be arranged in upper mounting plate (15), and lower end is supported by the bearing (42) be arranged in lower installation board (13), precision ball screw (29) and nut (28) form precision ball screw transmission, nut (28) is arranged in nut seat (27), and nut seat (27) is arranged on the back side of described lifter plate (10), and relatively described lifter plate (10) is symmetrical, 4 linear axis bearing (25) in the vertical directions one group between two, opposing nut seat (27) Central Symmetry is installed on the back side of described lifter plate (10), in each linear axis bearing (25), linear bearing (26) is all installed, two groups of linear bearings (26) are led by the guidepost (24) of two vertical parallel installations, the upper end of two guideposts (24) is connected with upper mounting plate (15), and lower end is connected with lower installation board (13), described feeder line wheel (22) is supported by feeder line axle (23), and feeder line axle (23) is installed on the front of described lifter plate (10).
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