CN108405356B - O type circle visual detection device - Google Patents

O type circle visual detection device Download PDF

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Publication number
CN108405356B
CN108405356B CN201810175817.0A CN201810175817A CN108405356B CN 108405356 B CN108405356 B CN 108405356B CN 201810175817 A CN201810175817 A CN 201810175817A CN 108405356 B CN108405356 B CN 108405356B
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CN
China
Prior art keywords
device
detection device
conveyer belt
conveying
conveyor belt
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CN201810175817.0A
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Chinese (zh)
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CN108405356A (en
Inventor
周志晓
王鹏飞
黄云洁
刘杭清
林鹏
谭波
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浙江怡亚信智能科技有限公司
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Priority to CN201810175817.0A priority Critical patent/CN108405356B/en
Publication of CN108405356A publication Critical patent/CN108405356A/en
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Publication of CN108405356B publication Critical patent/CN108405356B/en

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B07SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07CPOSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
    • B07C5/00Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
    • B07C5/02Measures preceding sorting, e.g. arranging articles in a stream orientating
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B07SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07CPOSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
    • B07C5/00Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
    • B07C5/34Sorting according to other particular properties

Abstract

The invention discloses an O-shaped ring visual detection device which comprises a front detection device, a first discharging device, a turnover device for turning over an O-shaped ring, a back detection device and a second discharging device which are sequentially arranged, and further comprises a conveying device for conveying the O-shaped ring to pass through the front detection device, the first discharging device, the turnover device, the back detection device and the second discharging device in sequence. Utilize turning device to turn over O type circle, utilize the inside and outside footpath and the burr condition of positive detection device and reverse side detection device detection O type circle positive and negative, and utilize discharge device to remove unqualified O type circle from conveyor, and positive detection device and first discharge device, reverse side detection device all successively sets up on conveyor with second discharge device, make detection device's detection and analysis process can go on towards the in-process of discharge device motion at O type circle, thereby make conveyor can transport O type circle in succession and filter, efficiency is higher, and the secondary detects the rate of accuracy higher.

Description

O type circle visual detection device

Technical Field

the invention relates to detection equipment, in particular to an O-shaped ring visual detection device.

background

At present, the chinese patent document with application publication No. CN106813583A in the prior art discloses a rubber ring vision inspection system and its application, including a vision unit located above an inspection objective table, a track connected between a vibration device and a platform to be inspected, a discharging device arranged around the inspection objective table, a single chip connected to the vision unit, and a cylinder near the platform to be inspected, wherein when the vibration device accommodates the plurality of rubber rings to be detected and operates, the rail conveys the rubber rings to the platform to be detected one by one, and then pushes the rubber rings to the detection objective table through the cylinder, and then, acquiring image data of the rubber ring through a vision unit, comparing and judging the image data, sending a judgment vision detection result to the single chip microcomputer, and finally controlling the discharging device to automatically collect the detected rubber ring by the single chip microcomputer so as to finish detection.

The rubber ring visual detection system and the detection, analysis and discharge processes of the rubber ring visual detection system are all carried out on the detection objective table, the rubber ring is kept relatively static in the process, certain time is needed for analysis and feedback after the visual unit obtains images, so that the rubber ring on the vibration device cannot be continuously conveyed to the detection objective table, the detection efficiency is low, the visual unit can only detect the rubber ring from the top, the detection precision is low, the burr condition of the rubber ring cannot be detected, and the possibility that the detected rubber ring has defective products is realized.

Disclosure of Invention

The invention aims to provide an O-shaped ring visual detection device which can continuously detect a plurality of O-shaped rings, can detect the front and back surfaces of the O-shaped rings and has the effects of high detection efficiency and high precision.

The technical purpose of the invention is realized by the following technical scheme:

The utility model provides a O type circle visual detection device, is including the front detection device, first discharge apparatus, the turning device, the reverse side detection device and the second discharge apparatus of upset O type circle that arrange in proper order, still including carrying O type circle in proper order through front detection device, first discharge apparatus, turning device, reverse side detection device and second discharge apparatus's conveyor.

Through adopting above-mentioned technical scheme, utilize positive detection device to detect the positive inside and outside footpath difference and the burr circumstances of O type circle, and utilize first discharging device to remove unqualified O type circle from conveyor, and qualified O type circle continues to move along conveyor, after turning over through turning device, utilize reverse side detection device to detect the inside and outside footpath difference and the burr circumstances of O type circle reverse side, and utilize second discharging device to remove unqualified O type circle from conveyor, only finally remain qualified O type circle and continue to move along conveyor. And positive detection device and first discharging device, reverse side detection device and second discharging device all set up on conveyor in proper order, because detection device's detection and analysis needs certain time, compare in make O type circle stop after the detection in situ and carry out the analysis, the mode of classifying qualified and unqualified O type circle again after the analysis is accomplished, positive detection device and reverse side detection device's detection and analysis process all goes on at O type circle towards the in-process of first discharging device or second discharging device motion, make conveyor can transport O type circle and filter continuously, efficiency is higher, and secondary detection makes the rate of accuracy higher.

The invention is further configured to: the conveying device comprises a first conveying belt and a second conveying belt, the first conveying belt sequentially passes through the front detection device and the first discharging device, the second conveying belt sequentially passes through the reverse detection device and the second discharging device, a height difference exists between the first conveying belt and the second conveying belt, the turnover device comprises a guide frame arranged at the tail end of the first conveying belt, the end face, facing the first conveying belt, of the guide frame is an arc-shaped face matched with the tail end of the first conveying belt, an arc-shaped channel is formed between the arc-shaped face and the tail end of the first conveying belt, the upper end of the arc-shaped channel is connected with the tail end of the first conveying belt, and the lower end of the arc-shaped channel is connected to the second conveying belt.

Through adopting above-mentioned technical scheme, when O type circle is through turning device under the drive of first conveyer belt, O type circle can follow the upper end opening part entering of arc passageway, and O type circle is pasting the end of first conveyer belt and is overturning after that to make the O type circle after the upset move to the second conveyer belt from the bottom export of arc passageway.

The invention is further configured to: and a turning nozzle communicated with compressed air is arranged on the guide frame towards the inlet direction above the arc-shaped channel.

Through adopting above-mentioned technical scheme, utilize upset nozzle to jet-propelled towards the import department of arc passageway upper end, make the O type circle that gets into the arc passageway can pass through arc passageway bottom outlet smoothly and move on the second conveyer belt.

The invention is further configured to: and a limiting plate is arranged on the second conveyor belt and is opposite to the outlet direction of the bottom of the arc-shaped channel.

through adopting above-mentioned technical scheme, utilize the limiting plate to carry on spacingly to the O type circle that moves to on the second conveyer belt from the arc passageway, prevent that O type circle from dropping from the opposite side of second conveyer belt, and make O type circle just in time stop in preset position department on the second conveyer belt, the reverse side detection device of being convenient for detects.

The invention is further configured to: the front detection device comprises a lifting frame arranged on one side of the first conveying belt, and a camera and a lighting frame which are sequentially connected onto the lifting frame in a sliding mode from top to bottom, wherein a light through hole is formed in the position, corresponding to the camera, of the lighting frame, a circle of lighting lamp is arranged at the bottom of the lighting frame along the edge of the light through hole, and the structure of the back detection device is the same as that of the front detection device.

Through adopting above-mentioned technical scheme, according to the O type circle of equidimension not, utilize the crane to highly adjust the camera, recycle the camera and shoot and the analysis to O type circle, and utilize the light on the illumination frame to throw light on to O type circle, and the light sets up along the marginal round that leads to the unthreaded hole, can follow all directions and illuminate O type circle to obtain more complete, clear image, improve the degree of accuracy of analysis result.

The invention is further configured to: the first discharging device comprises a discharging nozzle and a discharging channel which are respectively and correspondingly arranged on two sides of the first conveying belt, the discharging nozzle and the discharging channel are sequentially arranged in two groups along the conveying direction of the first conveying belt, and the second discharging device comprises two groups of discharging nozzles and discharging channels which are respectively and correspondingly arranged on two sides of the second conveying belt and have the same structure with the first discharging device.

Through adopting above-mentioned technical scheme, utilize in the unqualified O type circle that discharge nozzle goes up with first conveyer belt and second conveyer belt process blows the discharge passageway that corresponds respectively, and two sets of discharge nozzle reject with discharge passageway the unqualified O type circle of internal and external diameter respectively, and discharge nozzle and the discharge passageway setting to interior outer diameter in the front, thereby utilize the discharge nozzle and the discharge passageway that set up after with the qualified O type circle of the interior outer diameter of interior outer diameter but burr ineligible screening out, thereby this type O type circle can be through processing the burr removal and become the certified products, increase of production when guaranteeing O type circle quality.

The invention is further configured to: the first induction device is arranged in front of the front detection device on the first conveyor belt, the first induction device comprises position sensors arranged on two sides of the first conveyor belt and a stroke detection mechanism arranged at the bottom of the first conveyor belt, and a second induction device with the same structure as the first induction device is arranged between the reverse detection device and the turnover device on the second conveyor belt.

Through adopting above-mentioned technical scheme, when an O type circle passes through position sensor, position sensor receives the response and makes stroke detection mechanism begin to detect the transport distance of first conveyer belt, be this O type circle also from the displacement distance that this moment begins, when O type circle removes the detection range of positive detection device, stroke detection mechanism feedback signal makes positive detection device operation detect to O type circle, when O type circle removes first discharge device after that, two front and back discharge nozzle select whether to blow this O type circle into corresponding row material passageway according to front detection device's analysis result respectively, second induction system is the same with first induction system function.

The invention is further configured to: the utility model discloses a detection device for the front of the conveyor belt, including the first conveyer belt direction of delivery of perpendicular to, the device of paving is provided with the device of paving before positive detection device on the first conveyer belt, the device of paving includes that the first conveyer belt direction of delivery of perpendicular to, and the level sets up at the at least one roller of paving above the first conveyer belt, the roller surface of paving is provided with the separation blade, minimum distance between separation blade and the first conveyer belt surface is greater than the thickness of an O type circle, and is less than the sum of the thickness of two O type circles, the roller of paving is through the motor drive of paving and the motion direction of the circular line speed direction of the roller bottom.

through adopting above-mentioned technical scheme, utilize the motor drive of paving to pave the roller and rotate, when making the separation blade on the roller of paving rotate the below, two or more O type circles that will fold together are spread out towards the direction opposite with first conveyer belt direction of motion, make only the O type circle of the first conveyer belt of bottom laminating pass through, and the front detection device of being convenient for detects O type circle.

The invention is further configured to: the utility model discloses a conveyor belt, including first conveyer belt, the conveyor belt is equipped with the O type circle on the first conveyer belt, the O type circle that is arranged in a row is arranged to the conveyor belt, the centering device that the direction of delivery of first conveyer belt between the detection device and openly, along the direction of delivery of first conveyer belt has set gradually can make O type circle arrange into a row along first conveyer belt direction, can make the O type circle of arranging into a row be located in the middle of the first conveyer belt, the fixing device is including setting up the mount in first conveyer belt one side, wear to locate on the mount and the level set up in the lead screw of first conveyer belt top, set up the guide bar on the mount side by side with the lead screw, wear to establish on the guide bar and with lead screw complex guide block, be provided with on the.

Through adopting above-mentioned technical scheme, utilize stop device to make the guide face that the O type circle of process pave the device pastes on the guide block move the marginal position of first conveyer belt, and according to the size of O type circle, can rotate the lead screw and drive the guide block along the length direction motion of guide bar, make the distance between guide face and the first conveyer belt side only enough an O type circle pass through, thereby will lean on outer other O type circles side by side and release first conveyer belt, make O type circle arrange into a column along first conveyer belt edge, and can effectively reduce the quantity of O type circle when the O type circle of disposable process is too much, avoid appearing the accumulational condition of O type circle.

The invention is further configured to: the centering device comprises a first pair of middle parts, a second pair of middle parts and a centering plate, wherein the first pair of middle parts are arranged on the first conveying belt and close to one side of the guide surface, the second pair of middle parts are arranged on the other side of the first conveying belt and are in mirror image structures with the first pair of middle parts, the first pair of middle parts comprise fixing plates fixed on the side edges of the first conveying belt, one ends of the centering plates are rotatably connected with the fixing plates, the first pair of middle parts and the second pair of middle parts are respectively arranged in tandem along the conveying direction of the first conveying belt, and the first pair of.

Through adopting above-mentioned technical scheme, according to the size of O type circle, the one end of activity on the centering plate rotates the preset position on the first conveyer belt, makes the O type circle that moves along first conveyer belt edge can paste the centering plate and move the intermediate position of first conveyer belt, and when O type circle when the centering plate when passing through probably because the quantity is too much and lead to preceding O type circle being promoted the intermediate position of deviating from first conveyer belt, and the position that utilizes the second pair of middle parts that set up at first conveyer belt opposite side can be to O type circle is further adjusted.

In conclusion, the beneficial effects of the invention are as follows:

1. The O-shaped ring is turned over by a turning device, the front detection device and the back detection device are used for respectively detecting the difference value of the inner diameter and the outer diameter of the front surface and the back surface of the O-shaped ring and the burr condition, the first discharging device and the second discharging device are used for removing unqualified O-shaped rings from the conveying device, the qualified O-shaped rings continue to move along the conveying device, the front detection device, the first discharging device, the back detection device and the second discharging device are sequentially arranged on the conveying device, and as the detection and analysis of the detection device need a certain time, compared with the mode that the qualified O-shaped rings are stopped in situ for analysis after detection and are classified after the analysis is finished, the detection and analysis processes of the front detection device and the back detection device are all carried out in the process that the O-shaped rings move towards the first discharging device or the second discharging device, the conveying device can continuously convey the O-shaped rings and perform screening, the efficiency is higher, and the accuracy is higher due to secondary detection;

2. Utilize the unqualified O type circle of passing through on discharge nozzle with first conveyer belt and the second conveyer belt to blow into respectively in the discharge passageway that corresponds, and two sets of discharge nozzle and discharge passageway reject unqualified and the unqualified O type circle of burr of internal and external diameter respectively, and the discharge nozzle and the discharge passageway setting to interior external diameter in the front, thereby utilize the discharge nozzle and the discharge passageway that set up after to screen out with the qualified but unqualified O type circle of burr of interior external diameter, thereby this type O type circle can be through processing the burr removal and become the certified products, the increase of production when guaranteeing O type circle quality.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the arrangement of the first and second conveyors of the present invention;

FIG. 3 is a schematic structural view of the paving device, the limiting device and the recycling device of the present invention;

FIG. 4 is an enlarged view taken at A in FIG. 2;

FIG. 5 is a schematic structural diagram of a conveying device and a turnover device of the present invention;

FIG. 6 is an enlarged view at B in FIG. 2;

FIG. 7 is an enlarged view at C in FIG. 2;

Fig. 8 is a schematic structural diagram of a first sensing device of the present invention.

Reference numerals: 1. a frame; 2. a discharging device; 3. a front side detection device; 4. a first discharging device; 5. a turning device; 6. a reverse side detection device; 7. a second discharge device; 8. a conveying device; 9. a discharging bin; 10. a chain slat conveyor; 11. a first conveyor belt; 12. a second conveyor belt; 13. a feeding cover; 14. a flattening device; 15. paving a motor; 16. paving a leveling roller; 17. a baffle plate; 18. a limiting device; 19. a centering device; 20. a fixed mount; 21. a screw rod; 22. a guide bar; 23. a guide block; 24. a guide surface; 25. a waist-shaped hole; 26. a threaded rod; 27. fastening a handle; 28. a recovery device; 29. a recovery channel; 30. recovering the conveyor belt; 31. a first pair of middle portions; 32. a second pair of middle portions; 33. a fixing plate; 34. a rotating plate; 35. a centering plate; 36. a fixing hole; 37. an arc-shaped hole; 38. a guide frame; 39. an arc-shaped surface; 40. an arc-shaped channel; 41. turning over the nozzle; 42. a limiting plate; 43. a lifting frame; 44. a camera; 45. a lighting fixture; 46. a light through hole; 47. a discharge nozzle; 48. a discharge channel; 49. a first sensing device; 50. a position sensor; 51. a stroke detection mechanism; 52. a second sensing device.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

the embodiment discloses an O type circle visual detection device, as shown in fig. 1, including discharging device 2 and openly detection device 3, first discharging device 4, the turning device 5, the reverse side detection device 6 and the second discharging device 7 of upset O type circle of arranging in proper order on frame 1, still including carrying O type circle in proper order through openly detection device 3, first discharging device 4, turning device 5, reverse side detection device 6 and the conveyor 8 of second discharging device 7.

As shown in fig. 1, the front detection device 3 is used for detecting the difference value and the burr condition of the inner diameter and the outer diameter of the front surface of the O-ring, the first discharging device 4 is used for removing unqualified O-rings from the conveying device 8, the qualified O-rings continuously move along the conveying device 8, after the O-rings are turned over by the turning device 5, the back detection device 6 is used for detecting the difference value and the burr condition of the inner diameter and the outer diameter of the back surface of the O-rings, the second discharging device 7 is used for removing unqualified O-rings from the conveying device 8, and finally only qualified O-rings are left to continuously move along the conveying device 8. And positive detection device 3 and first discharging device 4, reverse side detection device 6 and second discharging device 7 all set gradually on conveyor 8, because detection analysis of detection device needs certain time, compare in make the O type circle stop after the detection in situ and carry out the analysis, the mode of classifying qualified and unqualified O type circle after the analysis is accomplished again, the detection and analysis process of positive detection device 3 and reverse side detection device 6 all goes on at O type circle towards the in-process of first discharging device 4 or the motion of second discharging device 7, make conveyor 8 can transport O type circle and filter continuously, efficiency is higher, and the secondary detects and makes the rate of accuracy higher.

As shown in fig. 1, the discharging device 2 includes a discharging bin 9 in which an O-ring is placed, and a chain plate conveyor 10 that conveys the O-ring in the discharging bin 9 to the conveying device 8. The conveying device 8 comprises a first conveying belt 11 for conveying the O-shaped rings to sequentially pass through the front detection device 3 and the first discharging device 4, a second conveying belt 12 for conveying the O-shaped rings to sequentially pass through the back detection device 6 and the second discharging device 7, a funnel-shaped feeding cover 13 is fixed at the foremost end of the first conveying belt 11, the O-shaped rings conveyed by the chain plate type conveyor 10 fall onto the first conveying belt 11 from an opening above the feeding cover 13 and are conveyed forwards, and the O-shaped rings are prevented from falling outside the first conveying belt 11 by the feeding cover 13.

As shown in fig. 2 and 3, a leveling device 14 is disposed on the first conveyor belt 11 between the feeding cover 13 and the front side detecting device 3, the leveling device 14 includes two leveling motors 15 fixed on one side of the first conveyor belt 11, and two leveling rollers 16 respectively connected to the two leveling motors 15, and the two leveling rollers 16 are both perpendicular to the conveying direction of the first conveyor belt 11 and horizontally disposed above the first conveyor belt 11. A plurality of baffle plates 17 are uniformly fixed on the surface of the leveling roller 16 along the radial direction, the minimum distance between each baffle plate 17 and the surface of the first conveyor belt 11 is larger than the thickness of one O-shaped ring and smaller than the sum of the thicknesses of two O-shaped rings, and the circumferential linear speed direction of the bottom of the leveling roller 16 is opposite to the moving direction of the first conveyor belt 11. When the paving motor 15 drives the paving roller 16 to rotate, the separation blade 17 on the paving roller 16 can be used for paving two or more O-shaped rings which are overlapped together in the direction opposite to the movement direction of the first conveyor belt 11, so that only the O-shaped ring which is attached to the first conveyor belt 11 at the bottom can pass through, and the front detection device 3 can conveniently detect the O-shaped rings.

As shown in fig. 2 and 3, a stopper 18 for aligning O-rings in a row in the direction of the first conveyor belt 11 and a centering device 19 for aligning the aligned O-rings in the middle of the first conveyor belt 11 are provided in the first conveyor belt 11 between the leveling device 14 and the front surface detection device 3 in the conveying direction of the first conveyor belt 11.

As shown in fig. 3, the limiting device 18 includes a fixing frame 20 fixed on one side of the first conveyor belt 11, a screw 21 horizontally penetrating the fixing frame 20 in the direction of the first conveyor belt 11, a guide rod 22 fixed on the fixing frame 20 in parallel with the screw 21, and a guide block 23 slidably connected to the guide rod 22 and cooperating with the screw 21, wherein an arc-shaped guide surface 24 is provided on the guide block 23, and the guide surface 24 extends from a direction perpendicular to the length direction of the first conveyor belt 11 to a conveying direction toward the first conveyor belt 11. Utilize stop device 18 to make the O type circle through paving device 14 can paste guide surface 24 on the guide block 23 and move to the marginal position of first conveyer belt 11, and according to the size of O type circle, can rotate lead screw 21 and drive guide block 23 along the length direction motion of guide bar 22, make the distance between guide surface 24 and the first conveyer belt 11 side only enough an O type circle pass through, thereby will lean on other O type circles outside side by side and release first conveyer belt 11, make O type circle arrange into a row along first conveyer belt 11 edge, and can effectively reduce the quantity of O type circle when the O type circle of disposable process is too much, avoid appearing the accumulational condition of O type circle.

As shown in fig. 3, waist shape hole 25 has been seted up along the length direction of guide bar 22 on mount 20, be fixed with the vertical threaded rod 26 that upwards passes waist shape hole 25 on the guide block 23, threaded connection has fastening handle 27 on the threaded rod 26, fastening handle 27 is screwed up towards guide block 23 direction, because fastening handle 27 can't the downstream under mount 20's spacing, make guide block 23 upwards promote under the drive of threaded rod 26, thereby make the extrusion laminating reach fixed effect between guide block 23 and the guide bar 22, prevent that guide block 23 from appearing the skew.

As shown in fig. 1 and 3, the first conveyor belt 11 is provided with a recovery device 28 on one side facing the guide surface 24, and the recovery device 28 includes a recovery channel 29 facing the guide surface 24, and a recovery conveyor belt 30 fixedly connected to the bottom of the recovery channel 29 and extending above the discharging bin 9. The O-shaped rings pushed out from the first conveyor belt 11 are collected on a recovery conveyor belt 30 by a recovery channel 29, and the O-shaped rings are conveyed to the discharging bin 9 by the recovery conveyor belt 30 to participate in detection again.

As shown in fig. 2 and 4, the centering device 19 includes a first pair of middle portions 31 disposed on one side of the first conveyor belt 11 near the recycling device 28, and a second pair of middle portions 32 disposed on the other side of the first conveyor belt 11 and having a mirror image structure with the first pair of middle portions 31. The first pair of middle parts 31 comprises a fixed plate 33 fixed on the side edge of the first conveyor belt 11, a fan-shaped and horizontally-arranged rotating plate 34, a centering plate 35 vertically and downwards integrally formed on one side, close to the first conveyor belt 11, of the rotating plate 34, the tip end of the rotating plate 34 is hinged to one end, close to the limiting device 18, of the fixed plate 33, a fixed hole 36 is vertically and upwards formed in one end, far away from the limiting device 18, of the fixed plate 33, an arc-shaped hole 37 which takes a hinge shaft as a circle center and takes the distance from the hinge shaft to the fixed hole 36 as a radius is formed in the rotating plate 34, bolts sequentially penetrate through the arc-shaped hole 37 and the fixed hole 36, and then the bolts and nuts are screwed down to enable the rotating. According to the size of the O-shaped ring, the movable end of the rotating plate 34 is rotated to a proper position on the first conveyor belt 11, so that the O-shaped ring moving along the edge of the first conveyor belt 11 can be attached to the centering plate 35 to move to the middle position of the first conveyor belt 11, and then the rotating plate 34 and the fixing plate 33 are fixed by tightening the bolts, and the centering plate 35 is prevented from deviating.

As shown in fig. 2 and 4, the first pair of middle portions 31 and the second pair of middle portions 32 are respectively disposed in tandem along the conveying direction of the first conveyor belt 11, and the first pair of middle portions 31 are disposed at positions close to the leveling device 14, when the O-rings pass through the centering plate 35 of the first pair of middle portions 31, the front O-rings may be pushed to deviate from the middle position of the first conveyor belt 11 due to an excessive number, and the positions of the O-rings can be further adjusted by using the second pair of middle portions 32 disposed at the other side of the first conveyor belt 11.

As shown in fig. 5, a height difference exists between the first conveyor belt 11 and the second conveyor belt 12, the turnover device 5 includes a guide frame 38 fixed at the end of the first conveyor belt 11, an end surface of the guide frame 38 facing the first conveyor belt 11 is an arc surface 39 matched with the end of the first conveyor belt 11, an arc channel 40 is formed between the arc surface 39 and the end of the first conveyor belt 11, the upper end of the arc channel 40 is connected with the end of the first conveyor belt 11, the lower end of the arc channel is connected to the second conveyor belt 12, and the first conveyor belt 11 and the second conveyor belt 12 are perpendicular to each other, so that space utilization is more reasonable. When the O-shaped ring passes through the turnover device 5 under the driving of the first conveyor belt 11, the O-shaped ring can enter from the opening at the upper end of the arc-shaped channel 40, then the O-shaped ring is turned over along the tail end of the first conveyor belt 11, and the turned O-shaped ring moves to the second conveyor belt 12 from the outlet at the bottom of the arc-shaped channel 40.

As shown in fig. 2 and 5, a turning nozzle 41 for communicating compressed air is fixed on the guide frame 38 in the direction of the inlet above the arc-shaped channel 40, and the turning nozzle 41 is used to spray air to the inlet at the upper end of the arc-shaped channel 40, so that the O-ring entering the arc-shaped channel 40 can smoothly move to the second conveyor belt 12 through the outlet at the bottom of the arc-shaped channel 40. And the second conveyer belt 12 is just linked firmly limiting plate 42 to the export direction of arc passageway 40 bottom, utilizes limiting plate 42 to carry on spacingly to the O type circle that moves to on the second conveyer belt 12 from arc passageway 40, prevents that the O type circle from the opposite side of second conveyer belt 12 from dropping, and makes the O type circle just in time stop in preset position department on second conveyer belt 12, and the reverse side detection device 6 of being convenient for detects.

As shown in fig. 2 and 6, the front detection device 3 includes a lifting frame 43 fixed on one side of the first conveyor belt 11, a camera 44 and an illumination frame 45 sequentially slidably connected to the lifting frame 43 from top to bottom, a light through hole 46 is formed in the illumination frame 45 at a position corresponding to the camera 44, and illumination lamps are installed at the bottom of the illumination frame 45 along the edge of the light through hole 46. The root is according to the variation in size of O type circle, utilizes crane 43 to highly adjusting camera 44, recycles camera 44 and shoots and the analysis to O type circle, and utilizes the light on illumination frame 45 can throw light on to O type circle, and the light sets up along the marginal round that leads to unthreaded hole 46, can follow all directions and throw light on to O type circle to obtain more complete, clear image, improve the degree of accuracy of analysis result. The reverse side detection device 6 and the front side detection device 3 have the same structure, and the O-shaped ring after being turned over is shot and analyzed.

As shown in fig. 2 and 7, the first discharging device 4 includes two sets of discharging nozzles 47 and discharging channels 48 respectively disposed on two sides of the first conveyor belt 11, and the two sets of discharging nozzles 47 and discharging channels 48 are sequentially disposed along the conveying direction of the first conveyor belt 11, the second discharging device 7 includes two sets of discharging nozzles 47 and discharging channels 48 respectively disposed on two sides of the second conveyor belt 12 and having the same structure as the first discharging device 4, the discharging nozzles 47 are communicated with compressed air, and the bottom of the discharging channels 48 is provided with discharging conveyor belts. Utilize in the unqualified O type circle that the discharge nozzle 47 will pass through on first conveyer belt 11 and the second conveyer belt 12 blows into corresponding discharge channel 48, and two sets of discharge nozzle 47 reject the unqualified O type circle of internal and external diameter and burr respectively with discharge channel 48, and the discharge nozzle 47 and the discharge channel 48 setting of internal and external diameter are in the front, thereby utilize the discharge nozzle 47 and the discharge channel 48 that set up after to screen out the qualified but unqualified O type circle of burr of internal and external diameter, thereby this type O type circle can be removed the burr through processing and become the certified products, the increase of production when guaranteeing O type circle quality.

As shown in fig. 2 and 8, a first sensing device 49 is disposed on the first conveyor belt 11 between the front side detecting device 3 and the centering device 19, the first sensing device 49 includes position sensors 50 fixed to both sides of the first conveyor belt 11 and a stroke detecting mechanism 51 disposed at the bottom of the first conveyor belt 11, and a second sensing device 52, which is the same as the first sensing device 49, is disposed on the second conveyor belt 12 between the back side detecting device 6 and the turning device 5. When one O-ring passes through the position sensor 50, the position sensor 50 is sensed to enable the stroke detection mechanism 51 to start detecting the conveying distance of the first conveyor belt 11, namely the moving distance of the O-ring from the moment, and when the O-ring moves to the detection range of the front detection device 3, the stroke detection mechanism 51 feeds back a signal to enable the front detection device 3 to operate to detect the O-ring.

As shown in fig. 2 and 7, when the O-ring moves to the first discharging device 4, the two front and rear discharging nozzles 47 respectively select whether to blow the O-ring into the corresponding discharging channel 48 according to the analysis result of the front surface detection device 3, and the second sensing device 52 has the same function as the first sensing device 49.

The specific operation flow of this embodiment is as follows:

the O-shaped ring in the discharging bin 9 is conveyed to an opening above a feeding cover 13 by a chain plate type conveyor 10 and is thrown on a first conveyor belt 11 to be conveyed forwards, the O-shaped ring is paved by a paving device 14, and the O-rings are aligned at the middle position of the main conveyor belt by using a limiting device 18 and a centering device 19, then, the front surface detection device 3 is used for detecting the difference value of the inner diameter and the outer diameter of the front surface of the O-shaped ring and the condition of burrs, two unqualified O-shaped rings are respectively removed from the conveying device 8 by using the two discharge nozzles 47 of the first discharge device 4, the qualified O-shaped rings continuously move along the conveying device 8, after the O-shaped ring is turned over by the turning device 5, the inner and outer diameter difference and the burr condition of the back surface of the O-shaped ring are detected by the back surface detection device 6, and the unqualified O-rings are removed from the conveying device 8 by using the second discharging device 7, and finally, only qualified O-rings are left to move continuously along the conveying device 8.

the present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.

Claims (9)

1. The utility model provides a O type circle visual detection device which characterized in that: the device comprises a front side detection device (3), a first discharging device (4), a turnover device (5) for turning over an O-shaped ring, a back side detection device (6) and a second discharging device (7) which are sequentially arranged, and a conveying device (8) for conveying the O-shaped ring to sequentially pass through the front side detection device (3), the first discharging device (4), the turnover device (5), the back side detection device (6) and the second discharging device (7); the conveying device (8) comprises a first conveying belt (11) for conveying the O-shaped rings to sequentially pass through the front side detection device (3) and the first discharging device (4), and a second conveying belt (12) for conveying the O-shaped rings to sequentially pass through the back side detection device (6) and the second discharging device (7); the height difference exists between the first conveyor belt (11) and the second conveyor belt (12), the turnover device (5) comprises a guide frame (38) arranged at the tail end of the first conveyor belt (11), the end face, facing the first conveyor belt (11), of the guide frame (38) is an arc-shaped face (39) matched with the tail end of the first conveyor belt (11), an arc-shaped channel (40) is formed between the arc-shaped face (39) and the tail end of the first conveyor belt (11), the upper end of the arc-shaped channel (40) is connected with the tail end of the first conveyor belt (11), and the lower end of the arc-shaped channel (40) is connected to the second conveyor belt (12); a limiting device (18) which enables the O-shaped rings to be arranged in a row along the direction of the first conveyor belt (11) is arranged in front of the front detection device (3) on the first conveyor belt (11); stop device (18) are including fixing mount (20) in first conveyer belt (11) one side, lead screw (21) on mount (20) are worn to locate to first conveyer belt (11) direction level, be fixed in guide bar (22) on mount (20) side by side with lead screw (21), sliding connection just mutually supported guide block (23) with lead screw (21) on guide bar (22), be provided with on guide block (23) and be curved guide face (24), guide face (24) are extended to the direction of delivery towards first conveyer belt (11) by the length direction of the first conveyer belt (11) of perpendicular to.
2. the O-ring visual inspection device of claim 1, wherein: and a turning nozzle (41) communicated with compressed air is arranged on the guide frame (38) towards the inlet direction above the arc-shaped channel (40).
3. The O-ring visual inspection device of claim 1, wherein: and a limiting plate (42) is arranged on the second conveyor belt (12) in the direction opposite to the outlet at the bottom of the arc-shaped channel (40).
4. The O-ring visual inspection device of claim 1, wherein: the front detection device (3) comprises a lifting frame (43) arranged on one side of the first conveying belt (11), a camera (44) and an illumination frame (45) which are sequentially connected onto the lifting frame (43) in a sliding mode from top to bottom, wherein a light through hole (46) is formed in the position, corresponding to the camera (44), on the illumination frame (45), a circle of illuminating lamp is arranged at the bottom of the illumination frame (45) along the edge of the light through hole (46), and the structure of the back detection device (6) is the same as that of the front detection device (3).
5. The O-ring visual inspection device of claim 1, wherein: first discharging device (4) are including corresponding discharge nozzle (47) and discharge channel (48) that set up respectively in first conveyer belt (11) both sides, just discharge nozzle (47) and discharge channel (48) have set gradually two sets ofly along the direction of delivery of first conveyer belt (11), second discharging device (7) are including corresponding two sets of discharge nozzle (47) and discharge channel (48) that set up respectively in second conveyer belt (12) both sides, the same with first discharging device (4) structure.
6. The O-ring visual inspection device of claim 1, wherein: the automatic conveying device is characterized in that a first sensing device (49) is arranged in front of the front side detection device (3) on the first conveying belt (11), the first sensing device (49) comprises position sensors (50) arranged on two sides of the first conveying belt (11) and a stroke detection mechanism (51) arranged at the bottom of the first conveying belt (11), and a second sensing device (52) with the same structure as the first sensing device (49) is arranged between the back side detection device (6) and the turnover device (5) on the second conveying belt (12).
7. The O-ring visual inspection device of claim 1, wherein: be provided with before positive detection device (3) on first conveyer belt (11) and pave device (14), it paves roller (16) to pave device (14) including perpendicular to first conveyer belt (11) direction of delivery, and the level setting at least one of first conveyer belt (11) top, it is provided with separation blade (17) to pave roller (16) surface, separation blade (17) and the minimum distance between first conveyer belt (11) surface are greater than the thickness of an O type circle, and are less than the sum of the thickness of two O type circles, it is opposite with the direction of motion of first conveyer belt (11) that paves roller (16) through the drive of paving motor (15) and the circumference linear velocity direction of paving roller (16) bottom.
8. The O-ring visual inspection device of claim 7, wherein: and a centering device (19) which can enable the O-shaped rings in a row to be positioned in the middle of the first conveyor belt (11) is arranged between the front detection device (3) and the limiting device (18) on the first conveyor belt (11).
9. The O-ring visual inspection device of claim 8, wherein: centering device (19) including set up on first conveyer belt (11) near the first pair of middle part (31) of guide face (24) one side, set up at first conveyer belt (11) opposite side and with first pair of middle part (31) second pair of middle part (32) of mirror image structure, first pair of middle part (31) are including fixing fixed plate (33) on first conveyer belt (11) side, one end and fixed plate (33) rotate centering plate (35) of being connected, first pair of middle part (31) and second pair of middle part (32) set up along the direction of delivery of first conveyer belt (11) one-front-back respectively, and first pair of middle part (31) set up in the position that is close to pave device (14).
CN201810175817.0A 2018-03-02 2018-03-02 O type circle visual detection device CN108405356B (en)

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