CN104148294A - Falling preventing device for detecting standard fasteners - Google Patents
Falling preventing device for detecting standard fasteners Download PDFInfo
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- CN104148294A CN104148294A CN201410347746.XA CN201410347746A CN104148294A CN 104148294 A CN104148294 A CN 104148294A CN 201410347746 A CN201410347746 A CN 201410347746A CN 104148294 A CN104148294 A CN 104148294A
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- breach
- standard fasteners
- moving plate
- price fixing
- drop device
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Abstract
The invention discloses a falling preventing device for detecting standard fasteners. The device is provided with a machine bench (5), wherein an indexing turntable is arranged above the machine bench (5) and is driven by a stepping motor (6) installed on the machine bench (5) to rotate; half of the periphery of the indexing turntable is surrounded by a falling preventing baffle (7); the falling preventing baffle (7) is shaped like a circular arc; the two ends and position close to the middle of the falling preventing baffle (7) are fixed on the machine bench (5) via a support. The device has a simple and compact structure and small volume, is low in cost, can effectively prevent the parts to be detected from falling, be used for detecting various standard fasteners and adapt to different specifications of parts to be detected, has good universality, not only effectively reduces investment input but also greatly improves the detection efficiency.
Description
Technical field
The invention belongs to checkout gear technical field, specifically, particularly a kind of standard fasteners detects anti-drop device.
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.
Standard fasteners all has a wide range of applications in many industries of the national economy such as auto industry, machinery manufacturing industry, building industry, electronics industry as fundamental parts.Online or the final mass of standard fasteners detects the control of the quality and the entreprise cost that directly affect standard fasteners.Taking hex bolts as example, hex bolts is as the most common connection securing member of one, and its manufacturing process is: wire drawing, cold-heading, thread rolling, heat 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 ensures the smooth of wire surface; Cold-heading is to be polished rod bolt by mould the wire rod cold-heading molding after wire drawing; Thread rolling is the screw portion machining screw at polished rod bolt by automatic flat die thread-rolling machine; Heat treatment is to eliminate cold working stress by forms such as tempering, ensures 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 ensure 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 operating personnel measure bolt every now and then appearance and size with survey tool, 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 operating efficiency of enterprise and has increased the labour cost of enterprise.
At present existing indivedual enterprise developments go out the checkout gear based on vision, and wherein, part indexing rotary table is the important component part in this checkout gear, and part to be checked reaches part indexing rotary table, after then being detected by testing agency, is divided into certified products and defective work.Find with reality investigation by analysis, existing checkout gear 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 checkout gear 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 checkout gear 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 checkout gear need be to detection dish of the part respective production of each specification, the corresponding detection dish of changing will survey different size part time, the problem such as so just cause checkout gear cost to increase, detection efficiency is not high.
The 4th, existing checkout gear just detects faulty materials, and detecting qualified part also needs 1-2 name workman to carry out bag distribution packaging, and the operating efficiency of enterprise and labour cost problem thoroughly do not solve.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of standard fasteners that can effectively prevent that seized part from coming off to detect anti-drop device.
Technical scheme of the present invention is as follows: a kind of standard fasteners detects anti-drop device, there is board (5), top at described board (5) is provided with indexing rotary table, this indexing rotary table is by upper stepper motor (6) driven rotary of installing of board (5), partly be surrounded with slip-off preventing baffle plate (7) in the periphery of described indexing rotary table, this slip-off preventing baffle plate (7) is circular arc, and the two ends of slip-off preventing baffle plate (7) and the position near middle part are fixed on board (5) by support.
Adopt above technical scheme, board is as workbench, and the each several part of being convenient to checkout gear is arranged; Partly be surrounded with the slip-off preventing baffle plate of circular arc in the periphery of indexing rotary table, drive in the process of indexing rotary table rotation at stepper motor, can effectively prevent that seized part from coming off out from the bayonet socket of indexing rotary table, thereby guaranteed that testing process can complete smoothly, the part after detection can normally be carried to subpackage mechanism; The position at the two ends of slip-off preventing baffle plate and close middle part is by stent support, and stability and fastness are good, and slip-off preventing baffle plate can not shake.
Described indexing rotary table is made up 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, offer the first breach (1a) distributing by even circumferential at the edge of described Moving plate (1), 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), be provided with cushion block (4) at the top of every the second lug (2b), 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 second barbed portion on the first breach and price fixing on Moving plate is 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 checkout gear 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.
In the process of the stepper motor driven rotary of installing on by board at indexing rotary table, 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, take part picture by CCD camera, then being sent to vision-based detection recognition software system analyzes and judges that whether part is qualified, when part to be checked rotates to separation station, under the stopping of disengaging yoke, part separates with indexing rotary table, fall into slideway, the part 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.
In order conveniently to draw materials, reduce costs, guarantee the effect that anti-part comes off, described slip-off preventing baffle plate (7) is made up of transparent organic glass, and the distance between slip-off preventing baffle plate (7) each several part and indexing rotary table equates.
Have a rectangular indentation (7a) at described slip-off preventing baffle plate (7) near the position at middle part.Rectangular indentation is positioned at the position of corresponding CCD camera, makes CCD camera can directly take part picture by breach, thereby has guaranteed the definition of shooting and the accuracy of testing result.
Can snap in smoothly to corresponding bayonet socket in order to ensure part to be checked, 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), be connected by two fastening bolts that distribute by even circumferential, 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, in the time unclamping fastening bolt, can rotate Moving plate, to change the size of each bayonet socket, thereby adapt to the piece test of various outer diameter size, while detecting different size part like this, without changing indexing rotary table, in saving production cost, greatly improve 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 is simple in structure, compact, and volume is little, and cost is low, can effectively prevent that part to be checked from coming off, can be used for detecting various standard fasteners, and can adapt to the part to be checked of different size, versatility is good, has not only effectively reduced equipment investment, and has greatly improved detection efficiency.
Brief description of the drawings
Fig. 1 is top view of the present invention.
Fig. 2 is front view of the present invention.
Fig. 3 is the stereogram 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.
Detailed description of the invention
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, Fig. 6, indexing rotary table is made up 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.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, be connected by two fastening bolts that distribute by even circumferential, 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 6, this stepper motor 6 is installed on the top of board 5.The output shaft of stepper motor 6 straight up, and is connected with the center of price fixing 2 and Moving plate 1, in the time that stepper motor 6 turns round, can drive whole indexing rotary table to rotate together.
As shown in Fig. 3, Fig. 5, Fig. 6, offer the first breach 1a distributing by even circumferential at the edge of Moving plate 1, 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.Offer the second breach 2a distributing by even circumferential at the edge of price fixing 2, 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, be partly surrounded with slip-off preventing baffle plate 7 in the periphery of indexing rotary table, this slip-off preventing baffle plate 7 is circular arc, and is preferably made up of transparent organic glass, and distance between slip-off preventing baffle plate 7 each several parts and indexing rotary table equates.Have a rectangular indentation 7a at described slip-off preventing baffle plate 7 near the position at middle part, the two ends of slip-off preventing baffle plate 7 and the position near middle part are fixed on board 5 by support.
Claims (9)
1. a standard fasteners detects anti-drop device, it is characterized in that: there is board (5), top at described board (5) is provided with indexing rotary table, this indexing rotary table is by upper stepper motor (6) driven rotary of installing of board (5), partly be surrounded with slip-off preventing baffle plate (7) in the periphery of described indexing rotary table, this slip-off preventing baffle plate (7) is circular arc, and the two ends of slip-off preventing baffle plate (7) and the position near middle part are fixed on board (5) by support.
2. standard fasteners according to claim 1 detects anti-drop device, it is characterized in that: described indexing rotary table is made up 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, offer the first breach (1a) distributing by even circumferential at the edge of described Moving plate (1), 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), be provided with cushion block (4) at the top of every the second lug (2b), 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 according to claim 1 and 2 detects anti-drop device, it is characterized in that: described slip-off preventing baffle plate (7) is made up of transparent organic glass, the distance between slip-off preventing baffle plate (7) each several part and indexing rotary table equates.
4. standard fasteners according to claim 3 detects anti-drop device, it is characterized in that: have a rectangular indentation (7a) at described slip-off preventing baffle plate (7) near the position at middle part.
5. standard fasteners according to claim 2 detects anti-drop device, it is characterized in that: described bayonet socket (3) from outside to inside width reduces gradually.
6. standard fasteners according to claim 5 detects anti-drop device, 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.
7. standard fasteners according to claim 5 detects anti-drop device, it is characterized in that: the integral middle of described price fixing (2) bottom surface is formed with up big and down small frustum.
8. standard fasteners according to claim 2 detects anti-drop device, it is characterized in that: between described Moving plate (1) and price fixing (2), be connected by two fastening bolts that distribute by even circumferential, 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).
9. standard fasteners according to claim 2 detects anti-drop device, it 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 |
|---|---|---|---|
| CN201410347746.XA CN104148294A (en) | 2014-07-21 | 2014-07-21 | Falling preventing device for detecting standard fasteners |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410347746.XA CN104148294A (en) | 2014-07-21 | 2014-07-21 | Falling preventing device for detecting standard fasteners |
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| CN104148294A true CN104148294A (en) | 2014-11-19 |
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| CN201410347746.XA Pending CN104148294A (en) | 2014-07-21 | 2014-07-21 | Falling preventing device for detecting standard fasteners |
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| US3957154A (en) * | 1974-01-29 | 1976-05-18 | Hitachi Shipbuilding And Engineering Co., Ltd. | Apparatus for rotating bottles |
| CN201170721Y (en) * | 2008-03-24 | 2008-12-24 | 德宏恩企业股份有限公司 | Object inspection machine with eddy current inspection |
| CN202153213U (en) * | 2011-07-27 | 2012-02-29 | 杨雅屹 | Fastener Automatic Inspection Machine |
| CN102829726A (en) * | 2012-08-13 | 2012-12-19 | 上海交通大学 | Machine vision automatic detection system for rivets |
| CN103328958A (en) * | 2010-11-25 | 2013-09-25 | (株)首尔金属 | Parts-supply device and parts-inspection apparatus |
| CN103406284A (en) * | 2013-05-06 | 2013-11-27 | 吴守祥 | Automatic fastener sorting machine and method for detecting fastener image by using same |
| CN204052182U (en) * | 2014-07-21 | 2014-12-31 | 重庆颖泉标准件有限公司 | Standard fasteners detects anti-drop device |
-
2014
- 2014-07-21 CN CN201410347746.XA patent/CN104148294A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3957154A (en) * | 1974-01-29 | 1976-05-18 | Hitachi Shipbuilding And Engineering Co., Ltd. | Apparatus for rotating bottles |
| CN201170721Y (en) * | 2008-03-24 | 2008-12-24 | 德宏恩企业股份有限公司 | Object inspection machine with eddy current inspection |
| CN103328958A (en) * | 2010-11-25 | 2013-09-25 | (株)首尔金属 | Parts-supply device and parts-inspection apparatus |
| CN202153213U (en) * | 2011-07-27 | 2012-02-29 | 杨雅屹 | Fastener Automatic Inspection Machine |
| CN102829726A (en) * | 2012-08-13 | 2012-12-19 | 上海交通大学 | Machine vision automatic detection system for rivets |
| CN103406284A (en) * | 2013-05-06 | 2013-11-27 | 吴守祥 | Automatic fastener sorting machine and method for detecting fastener image by using same |
| CN204052182U (en) * | 2014-07-21 | 2014-12-31 | 重庆颖泉标准件有限公司 | Standard fasteners detects anti-drop device |
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Application publication date: 20141119 |
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| RJ01 | Rejection of invention patent application after publication |