CN104181165A - Standard fastener detection system - Google Patents
Standard fastener detection system Download PDFInfo
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- CN104181165A CN104181165A CN201410347699.9A CN201410347699A CN104181165A CN 104181165 A CN104181165 A CN 104181165A CN 201410347699 A CN201410347699 A CN 201410347699A CN 104181165 A CN104181165 A CN 104181165A
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Abstract
The invention discloses a standard fastener detection system. An indexing rotating plate is arranged above a machine stand (5), the indexing rotating plate is driven by a stepper motor (9) on the machine stand (5) to rotate, a first CCD camera (6) is arranged above the edge of the indexing rotating plate, and a second CCD camera (7) and a third CCD camera (8) are arranged by the side of the indexing rotating plate; a slide-way (10) for carrying a component is also arranged by the side of the indexing rotating plate, the slide-way (10) is fixedly installed on the machine stand (5), and a separation shifting fork (11) which is used for shifting the component to the slide-way (10) is arranged by the side of an inlet end of the slide-way (10). The standard fastener detection system can be used for detecting different standard fasteners and is applicable to different to-be-detected components of different specifications. The standard fastener detection system has the characteristics of simple and compact structure, small size, low cost, good universality, high detection efficiency and the like.
Description
Technical field
The invention belongs to pick-up unit technical field, specifically, particularly a kind of standard fasteners detection system.
Background technology
In recent years, utilizing machine vision technique to carry out having done large quantity research aspect Quality Detection abroad, and obtaining many important achievement.Vision-based detection has the advantages such as noncontact, speed is fast, precision is high, antijamming capability is strong, in modern manufacturing industry, there is important application prospect, in the fields such as machining accuracy detection, workpiece size measurement, product detection, just obtaining applying more and more widely at present, vision detection technology provides a kind of desirable means for solving on-line measurement problem.The eighties in 20th century, NBS once did prediction on the basis of investigation: 80% of industrial detection work from now on will be completed by vision detection technology.
As fundamental parts, the many industries in national economy such as auto industry, machinery manufacturing industry, building industry, electronics industries all have a wide range of applications standard fasteners.Online or the final mass of standard fasteners detects the control of the quality and the enterprise cost that directly affect standard fasteners.Take hex bolts as example, and hex bolts is as the most common a kind of connection securing member, and its manufacturing process is: wire drawing, cold-heading, thread rolling, thermal treatment, zinc-plated or blackout etc.Wire drawing is, by cold-drawn wire drawing, the diameter control of the wire rod of steel mill's production is arrived to given size, and guarantees the smooth of wire surface; Cold-heading is the wire rod cold-heading molding after wire drawing, to be polished rod bolt by mould; Thread rolling is the screw portion machining screw at polished rod bolt by automatic flat die thread-rolling machine; Thermal treatment is to eliminate cold working stress by forms such as tempering, guarantees intensity and the toughness of bolt; Zinc-plated or blackout is to get rusty for anti-, strengthens the resistance to corrosion of bolt.Each production link has corresponding detection method, to guarantee the correctness of this link.From the angle of quality control, particularly important to the detection of bolt.
For a long time, the detection of hex bolts mainly relies on artificial mode, be that operating personnel measure the physical dimension of bolt every now and then with survey instrument, this manual detection method has not only been wasted a large amount of time and manpower, and low precision, probability undetected, flase drop is also very high, greatly reduces the work efficiency of enterprise and has increased the labour cost of enterprise.
At present existing indivedual enterprise developments go out the pick-up unit based on vision, and wherein, part indexing rotary table is the important component part in this pick-up unit, and part to be checked reaches part indexing rotary table, after then being detected by testing agency, is divided into certified products and unacceptable product.Find with reality investigation by analysis, existing pick-up unit still has following deficiency:
The first, the function that testing agency can detect is less, and accommodation is narrow.As detecting to detect, screw thread has or not basic detections the such as whether tapping, length enough, can not double thread pitch, the whether qualified detection of thread form, and accuracy in detection is not high, still has higher faulty materials after detection.
The second, a kind of pick-up unit can only detect a kind of part, and standard fasteners enterprise generally produces various parts, as screw, nut, bolt etc., if all apply automatic detection device, must buy the different pick-up unit of many covers and detect, enterprise produces to drop into be increased.
The 3rd, a kind of standard fasteners part has plurality of specifications, screws as different in nominal diameter, and its size differs larger, as screws such as M1.4, M4, M8, M10, M12, M20.The detection dish of existing pick-up unit need be to each specification detection dish of part respective production, the corresponding detection dish of changing in the time of surveying different size part, like this with regard to the problem such as cause pick-up unit cost to increase, detection efficiency is not high.
The 4th, existing pick-up unit just detects faulty materials, and detecting qualified part also needs 1-2 name workman to carry out bag distribution packaging, and the work efficiency of enterprise and labour cost problem thoroughly do not solve.
Summary of the invention
Technical matters to be solved by this invention is to provide the standard fasteners that a kind of versatility is good, detection efficiency is high detection system.
Technical scheme of the present invention is as follows: a kind of standard fasteners detection system, there is board (5), top at described board (5) is provided with indexing rotary table, this indexing rotary table is by upper stepper motor (9) driven rotary of installing of board (5), above described indexing rotary table edge, be provided with a CCD camera (6), the camera lens of the one CCD camera (6) down, the 2nd CCD camera (7) and the 3rd CCD camera (8) are set on the side of indexing rotary table, described the 2nd CCD camera (7) is near the 3rd CCD camera (8), the camera lens of the 2nd CCD camera (7) and the 3rd CCD camera (8) is all towards indexing rotary table, on the side of described indexing rotary table, be also provided with the slideway (10) for accepting part, this slideway (10) and the separation of the 2nd CCD camera (7) are in the both sides of indexing rotary table, the high endpiece low dip of described slideway (10) entrance point arranges, and be fixedly mounted on board (5), on the side of slideway (10) entrance point, be provided with for part being allocated to the disengaging yoke (11) of described slideway (10), this disengaging yoke (11) is positioned at the top of indexing rotary table, one end of disengaging yoke (11) is fixed on board (5) by bearing, the other end of disengaging yoke (11) is obliquely extended to the top at indexing rotary table edge.
Adopt above technical scheme, board is as workbench, and the parts such as indexing rotary table, disengaging yoke of being convenient to pick-up unit are arranged, indexing rotary table is in the process of the stepper motor driven rotary of installing on board, the standard fasteners to be checked of locating on it is along the circumferential direction carried, standard fasteners to be checked detects station by vision sensor successively, by three CCD cameras, take part picture, because these three CCD cameras are arranged in the different azimuth of indexing rotary table, thereby can treat zero-detection part and take pictures from different perspectives, thereby form comprehensively, accurately, part picture clearly, then these part pictures being sent to vision-based detection recognition software system analyzes and judges that whether part is qualified, when part rotates to separation station, disengaging yoke plays a part to stop and guide elements, make part separated with indexing rotary table, and part is allocated to slideway from indexing rotary table, because slideway is in tilted layout, enter the part of slideway from its endpiece direction landing of trend, the sorting shutter of ways-end is according to the differentiation result of vision-based detection recognition software system, part is divided into certified products and faulty materials, faulty materials fall in faulty materials case, certified products enter part subpackage mechanism, according to the quantity per unit pack specification setting in advance, automatically package certified products, then splitting enters in certified products case.Not only simply but also quick, not only automaticity is high, and has effectively improved detection efficiency for the above course of work.
Described indexing rotary table is comprised of Moving plate (1) and price fixing (2), the disc structure that Moving plate (1) and price fixing (2) are equal diameters, Moving plate (1) be positioned at price fixing (2) directly over, both fit fixing, at the edge of described Moving plate (1), offer the first breach (1a) distributing by even circumferential, between two adjacent the first breach (1a), form the first lug (1b), the edge of price fixing (2) offers the second breach (2a) distributing by even circumferential, between two adjacent the second breach (2a), form the second lug (2b), described the second breach (2a) is corresponding one by one with the first breach (1a), and the second breach (2a) partly overlaps with the first breach (1a), form bayonet socket (3), at the top of every the second lug (2b), be provided with cushion block (4), this cushion block (4) is pressed even circumferential and is distributed, described cushion block (4) is arranged in the first breach (1a), and the bayonet socket of adjacent correspondence (3), the end face of cushion block (4) is concordant with the end face of the first lug (1b).
Moving plate and the price fixing moulding of above structure composition indexing rotary table are simple, and processing and fabricating is easy, and cost is low; And Moving plate is combined closely with price fixing, it is firm to connect, and under stepper motor drives, synchronism and the stationarity of running are good.The first breach and the second barbed portion on price fixing on Moving plate are overlapping, form bayonet socket, this bayonet socket can be used for locating various standard fasteners, as screw, nut, bolt etc., versatility is good, enterprise adopts a set of pick-up unit can detect various standard fasteners, greatly reduces thus the equipment investment of enterprise.In localization criteria securing member, cushion block and Moving plate the first lug support standard fasteners jointly, because the end face of cushion block is concordant with the end face of Moving plate the first lug, can guarantee that like this standard fasteners is positioned in corresponding bayonet socket reposefully, has effectively avoided the generation of crooked or obscission.
For simplified structure, be convenient to processing and fabricating, described disengaging yoke (11) is bar shaped block structure.
In order to ensure part to be checked, can snap in smoothly to corresponding bayonet socket, and reliably locate in bayonet socket, described bayonet socket (3) from outside to inside width reduces gradually.
In order to ensure the structural strength of Moving plate, the integral middle of described Moving plate (1) end face is formed with up-small and down-big step-like boss.
In order to ensure the structural strength of price fixing, the integral middle of described price fixing (2) bottom surface is formed with up big and down small frustum.
Between described Moving plate (1) and price fixing (2), by two fastening bolts that distribute by even circumferential, be connected, the upper hole of passing for fastening bolt of Moving plate (1) is circular arc cylindrical void (1c), and the center of circle of this cylindrical void (1c) is on the axial line of Moving plate (1).Between above structure Moving plate and price fixing, be connected firmly, reliably, dismounting not only simply but also convenient.Because the hole of passing for fastening bolt on Moving plate is circular arc cylindrical void, when unclamping fastening bolt, can rotate Moving plate, to change the size of each bayonet socket, thereby the piece test that adapts to various outer diameter size, while detecting different size part like this, without changing indexing rotary table, when saving production cost, greatly improved detection efficiency.
For simplified structure, be convenient to processing and fabricating, guarantee the fixing that is connected between cushion block and price fixing, described cushion block (4) is pane, and fixes by welding and price fixing (2).
Beneficial effect: the present invention takes part picture from different perspectives by three CCD cameras, can be used for detecting various standard fasteners, and can adapt to the part to be checked of different size, have simple in structure, compactly, volume is little, and cost is low, versatility is good, detection efficiency high.
Accompanying drawing explanation
Fig. 1 is vertical view of the present invention.
Fig. 2 is front view of the present invention.
Fig. 3 is the stereographic map of indexing rotary table.
Fig. 4 is the front view of indexing rotary table.
Fig. 5 is the structural representation of Moving plate.
Fig. 6 is the structural representation of price fixing.
Embodiment
Below in conjunction with drawings and Examples, the invention will be further described:
As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4, Fig. 5 and Fig. 6, indexing rotary table is arranged on board 5, Moving plate 1 and price fixing 2, consists of.The disc structure that Moving plate 1 and price fixing 2 are equal diameters, Moving plate 1 be positioned at price fixing 2 directly over.The integral middle of described Moving plate 1 end face is formed with up-small and down-big step-like boss, the integral middle of price fixing 2 bottom surfaces is formed with up big and down small frustum, the end face of the bottom surface of Moving plate 1 and price fixing 2 fits, between Moving plate 1 and price fixing 2, by two fastening bolts that distribute by even circumferential, be connected, the hole of passing for fastening bolt on Moving plate 1 is circular arc cylindrical void 1c, and the center of circle of this cylindrical void 1c is on the axial line of Moving plate 1.Below described price fixing 2, be provided with stepper motor 9, this stepper motor 9 is installed on the top of board 5.The output shaft of stepper motor 9 straight up, and is connected with the center of price fixing 2 and Moving plate 1, in the time of stepper motor 9 running, can drive whole indexing rotary table to rotate together.
As shown in Fig. 3, Fig. 5, Fig. 6, at the edge of Moving plate 1, offer the first breach 1a distributing by even circumferential, the number of the first breach 1a is determined according to actual needs, between two adjacent the first breach 1a, is formed the first lug 1b.At the edge of price fixing 2, offer the second breach 2a distributing by even circumferential, between two adjacent the second breach 2a, form the second lug 2b, described the second breach 2a is corresponding one by one with the first breach 1a, and the second breach 2a and the first breach 1a partly overlap, form bayonet socket 3, this bayonet socket 3 from outside to inside width reduces gradually.Top at every the second lug 2b is provided with cushion block 4, and this cushion block 4 is pane, and cushion block 4 is pressed even circumferential and distributed, and fixes by welding and price fixing 2.Each cushion block 4 is arranged in the first breach 1a, and the bayonet socket 3 of adjacent correspondence, and the end face of cushion block 4 is concordant with the end face of the first lug 1b.
As shown in Figure 1 and Figure 2, the camera lens that is provided with CCD camera 6, the one CCD cameras 6 above indexing rotary table edge down.The 2nd CCD camera 7 and the 3rd CCD camera 8 are set on the side of indexing rotary table, described the 2nd CCD camera 7 is near the 3rd CCD camera 8, the angle between the 2nd CCD camera 7 and the 3rd CCD camera 8 with 30 ° of left and right, and the camera lens of the 2nd CCD camera 7 and the 3rd CCD camera 8 is all towards indexing rotary table.An above CCD camera 6, the 2nd CCD camera 7 and the 3rd CCD camera 8 separately by corresponding stent support on board 5.
As shown in Figure 1, on the side of indexing rotary table, be also provided with for accepting the slideway 10 of part, this slideway 10 and the 2nd CCD camera 7 separations are in the both sides of indexing rotary table, the high endpiece low dip of described slideway 10 entrance point arranges, and be fixedly mounted on board 5, on the side of slideway 10 entrance points, be provided with for part being allocated to the disengaging yoke 11 of described slideway 10, this disengaging yoke 11 is positioned at the top of indexing rotary table, and is preferably bar shaped block structure.One end of disengaging yoke 11 is fixed on board 5 by bearing, and the other end of disengaging yoke 11 is obliquely extended to the top at indexing rotary table edge.
Claims (8)
1. a standard fasteners detection system, there is board (5), it is characterized in that: the top at described board (5) is provided with indexing rotary table, this indexing rotary table is by upper stepper motor (9) driven rotary of installing of board (5), above described indexing rotary table edge, be provided with a CCD camera (6), the camera lens of the one CCD camera (6) down, the 2nd CCD camera (7) and the 3rd CCD camera (8) are set on the side of indexing rotary table, described the 2nd CCD camera (7) is near the 3rd CCD camera (8), the camera lens of the 2nd CCD camera (7) and the 3rd CCD camera (8) is all towards indexing rotary table, on the side of described indexing rotary table, be also provided with the slideway (10) for accepting part, this slideway (10) and the separation of the 2nd CCD camera (7) are in the both sides of indexing rotary table, the high endpiece low dip of described slideway (10) entrance point arranges, and be fixedly mounted on board (5), on the side of slideway (10) entrance point, be provided with for part being allocated to the disengaging yoke (11) of described slideway (10), this disengaging yoke (11) is positioned at the top of indexing rotary table, one end of disengaging yoke (11) is fixed on board (5) by bearing, the other end of disengaging yoke (11) is obliquely extended to the top at indexing rotary table edge.
2. standard fasteners detection system according to claim 1, it is characterized in that: described indexing rotary table is comprised of Moving plate (1) and price fixing (2), the disc structure that Moving plate (1) and price fixing (2) are equal diameters, Moving plate (1) be positioned at price fixing (2) directly over, both fit fixing, at the edge of described Moving plate (1), offer the first breach (1a) distributing by even circumferential, between two adjacent the first breach (1a), form the first lug (1b), the edge of price fixing (2) offers the second breach (2a) distributing by even circumferential, between two adjacent the second breach (2a), form the second lug (2b), described the second breach (2a) is corresponding one by one with the first breach (1a), and the second breach (2a) partly overlaps with the first breach (1a), form bayonet socket (3), at the top of every the second lug (2b), be provided with cushion block (4), this cushion block (4) is pressed even circumferential and is distributed, described cushion block (4) is arranged in the first breach (1a), and the bayonet socket of adjacent correspondence (3), the end face of cushion block (4) is concordant with the end face of the first lug (1b).
3. standard fasteners detection system according to claim 1, is characterized in that: described disengaging yoke (11) is bar shaped block structure.
4. standard fasteners detection system according to claim 2, is characterized in that: described bayonet socket (3) from outside to inside width reduces gradually.
5. according to the standard fasteners detection system described in claim 2 or 4, it is characterized in that: the integral middle of described Moving plate (1) end face is formed with up-small and down-big step-like boss.
6. standard fasteners detection system according to claim 5, is characterized in that: the integral middle of described price fixing (2) bottom surface is formed with up big and down small frustum.
7. standard fasteners detection system according to claim 2, it is characterized in that: between described Moving plate (1) and price fixing (2), by two fastening bolts that distribute by even circumferential, be connected, the upper hole of passing for fastening bolt of Moving plate (1) is circular arc cylindrical void (1c), and the center of circle of this cylindrical void (1c) is on the axial line of Moving plate (1).
8. standard fasteners detection system according to claim 2, is characterized in that: described cushion block (4) is pane, and fixes by welding and price fixing (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410347699.9A CN104181165A (en) | 2014-07-21 | 2014-07-21 | Standard fastener detection system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410347699.9A CN104181165A (en) | 2014-07-21 | 2014-07-21 | Standard fastener detection system |
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| CN104181165A true CN104181165A (en) | 2014-12-03 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2385333Y (en) * | 1999-02-10 | 2000-06-28 | 李建文 | Automatic detector for checking screw |
| CN1898033A (en) * | 2003-12-30 | 2007-01-17 | 赞鸿制造业私人有限公司 | Fastener inspection system |
| US20100003112A1 (en) * | 2008-07-03 | 2010-01-07 | TECNO FLUSS, S.r.l. | Rotary device for supporting, clamping and locating multiple-size vessels in particular for bottling machines |
| CN103328958A (en) * | 2010-11-25 | 2013-09-25 | (株)首尔金属 | Parts-supply device and parts-inspection apparatus |
| CN204064947U (en) * | 2014-07-21 | 2014-12-31 | 重庆颖泉标准件有限公司 | Standard fasteners detection system |
-
2014
- 2014-07-21 CN CN201410347699.9A patent/CN104181165A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2385333Y (en) * | 1999-02-10 | 2000-06-28 | 李建文 | Automatic detector for checking screw |
| CN1898033A (en) * | 2003-12-30 | 2007-01-17 | 赞鸿制造业私人有限公司 | Fastener inspection system |
| US20100003112A1 (en) * | 2008-07-03 | 2010-01-07 | TECNO FLUSS, S.r.l. | Rotary device for supporting, clamping and locating multiple-size vessels in particular for bottling machines |
| CN103328958A (en) * | 2010-11-25 | 2013-09-25 | (株)首尔金属 | Parts-supply device and parts-inspection apparatus |
| CN204064947U (en) * | 2014-07-21 | 2014-12-31 | 重庆颖泉标准件有限公司 | Standard fasteners detection system |
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Application publication date: 20141203 |