CN102759314A - Acceptance check detecting tool for automobile sheet metal parts - Google Patents
Acceptance check detecting tool for automobile sheet metal parts Download PDFInfo
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- CN102759314A CN102759314A CN2011101109281A CN201110110928A CN102759314A CN 102759314 A CN102759314 A CN 102759314A CN 2011101109281 A CN2011101109281 A CN 2011101109281A CN 201110110928 A CN201110110928 A CN 201110110928A CN 102759314 A CN102759314 A CN 102759314A
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- cubing
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Abstract
The invention discloses an acceptance check detecting tool for automobile sheet metal parts, which comprises a detecting tool body, a measuring knife, positioning columns and a clamping device, wherein upper part structures of characteristic blocks in the detecting tool body are characteristic structures matched with structural characteristics at matching parts of the detected sheet metal parts and the characteristic blocks. Due to the use of the acceptance check detecting tool, the sheet metal parts entering and leaving a factory can be rapidly detected with high precision, precision changing points of important characteristics of the sheet metal parts can be effectively discovered, and the precision consistency of the sheet metal parts during the life cycles of automobile types can be guaranteed. The acceptance check detecting tool can be used for detecting the sheet metal parts during acceptance check of the sheet metal parts.
Description
Technical field
The present invention relates to a kind of examination testing tool of automobile component, specifically a kind of automobile metal plate work is checked and accepted cubing.
Background technology
At present the structure of the conventional cubing of automobile metal plate work generally comprises locating surface 42, major- minor register pin 43 and 44, substrate 1, cubing body 45 compositions, shown in Figure 1 as in the Figure of description.It is following that it detects principle:
With locating surface and main and auxiliary register pin is detection reference; Measure product periphery and detection faces gap (detection faces is to get through the theoretical face 3mm of biasing digital-to-analogue) through clearance ruler; The tolerance of the important profile of sheet metal component is ± 0.5mm at present; So to important profile, it is qualified that measured value is regarded as in 3 ± 0.5mm.Through major-minor register pin sheet metal component is positioned at (locating surface is a zero-potential surface) on the cubing during detection, through the gap of clearance ruler measurement sheet metal component boundary and cubing body detection faces, it is qualified that measured value is regarded as at 3 ± 0.5mm.
The realization of above-mentioned detection principle; Need register pin and locating surface to possess stronger benchmark property; The precision of the relative product integral body of pilot hole and locating surface is bigger to the testing result influence of important profile; And the cubing detection reference sometimes with make benchmark, reference for assembling is inconsistent, causes the error of detection can't be reacted directly into practical set to close and fasten, cause the precision problem that occurs in the actual production process not easy-to-search true because of; The detection of conventional cubing needs a large amount of surveying works in addition, and the expense people requires great effort time-consuming, and detection efficiency is low, and it is high to detect cost, can't realize quick sampling observation.
In a word, the existing conventional cubing exists that accuracy of detection is low, measuring operation relative complex, no precision change point recognition function, has Partial Feature to be positioned to detect the weak point that the blind area can't implement to detect.
Summary of the invention
The technical matters that the present invention will solve; Provide a kind of automobile metal plate work and check and accept cubing; Can realize that sheet metal component is gone into factory, dispatch from the factory quick, high Precision Detection, can effectively find sheet metal component key character precision change point, and guarantee sheet metal component precision consistance in the vehicle life cycle.
The present invention is for solving the problems of the technologies described above, and the technical scheme of being taked is:
A kind of automobile metal plate work is checked and accepted cubing; Comprise the cubing body, measure cutter, reference column, binding clasp; Said cubing body comprises substrate and is fixed in the characteristic block of being separated by and being provided with on the substrate; Said substrate is a plane tabular, and the superstructure of said characteristic block is a feature structure, is complementary with the architectural feature of seized sheet metal component with the characteristic block place of matching.
Substrate surface is fixed in said reference column bottom, comprises the main and auxiliary reference column that is used to locate sheet metal component, also comprises the measurement cutter reference column that is used to measure the cutter location;
Main and auxiliary reference column, head have and are used for assisting the pin shape convexity that pilot hole matches with sheet metal component; Said measurement cutter reference column is that the top has the cylindrical of the yi word pattern groove that is used for location survey cutter open end is positioned.
Said measurement cutter is put for erecting, horizontally extending sheet, is fixed in the substrate top, and its body shape is the hook-type of back-off, and the one of which end is the hinged securement end, and the other end is the open end at hook portion place, and the open end can be that the centre of gyration rotates up and down with the hinged end; Nearly hinged securement end is divided into detection boundaries bottom it, and the open end section bottom has and is used for cooperating with reference column, carries out Z to spacing square slot to measuring cutter, and said square slot is convex to fall into and the along continuous straight runs extension.
Said binding clasp comprises the pedestal that is fixed on the substrate, is hinged with the clamp arm that can rotate up and down through first hinge on the pedestal, and the other end of clamp arm is fixedly connected with and the vertically disposed rubber clamp of clamp arm; Also be hinged with O font connecting rod through second hinge on the pedestal, the Xiang Duan of O font connecting rod is fixedly connected with handle; Clamp arm in O font connecting rod, pass and and O font connecting rod between clearance fit.
More than be basic structure of the present invention, during its member is formed:
1. cubing body
Be used for simulating sheet metal component welding process matching relationship, and with in the actual welding process, all feature extractions of participating in cooperating of sheet metal component are handled, the generating feature piece during detection, makes sheet metal component cooperate with the cubing body space, and then measures the error of other profiles then;
The feature structure of characteristic block is to have the local feature of matching relationship through extracting peripheral counterpart and detected member.Method is:
(1) will there be the characteristic of matching relationship all to extract (parts that comprise periphery, anchor clamps register pin, locating surface etc.) with sheet metal component;
(2) in order better to detect sheet metal component, be divided into two types to the sheet metal component surface-type feature: architectural feature and mating feature, architectural feature have been meant transition, reinforcement; The reinforcement of manufacturability effect; Fabrication holes etc., these characteristics do not participate in cooperating in manufacture process, and this type of feature definition requires lower.Mating feature: the characteristic that refers to participate in process of production to cooperate (comprise the cubing location, the anchor clamps location cooperates with peripheral parts etc.), accuracy requirement is high;
(3) go out important mating feature and secondary structure characteristic on the sheet metal component according to the concept identification in (2);
(4) in order to realize this cubing accuracy of detection change point measuring ability; Need identify easy changed features on the sheet metal component; Common labile characteristic is for example led round characteristic, and these characteristics are after volume production; Because die wear, pressure variation all can cause the circle place to have a rebound, be the change point that to measure and to control;
(5) analyze the important mating feature of sheet metal component, choose and be fit to do the characteristic that the zero stand-off cooperates with peripheral mating feature.Selection principle is, chooses sheet metal component and peripheral part as far as possible and be the mating feature of the matching relationship that the zero stand-off contacts.The mating feature that shown in this application examples, is shown in the following figure is as the zero stand-off mating feature.
2. reference column
Be used to locate sheet metal component and measure cutter.Main and auxiliary reference column is used to locate sheet metal component, and wherein main reference column is corresponding with sheet metal component master pilot hole, and it is corresponding that auxilliary reference column and sheet metal component are assisted pilot hole, and is close with major-minor register pin function in the conventional cubing, also can be used for the location survey cutter simultaneously sometimes.
3. measure cutter
Be used for measuring the section precision at sheet metal component key position place;
Measure the knife-edge shape and confirm that method is; At first confirm to measure the position of cutter according to the arrangement principle that detects, do sketch plane skeletonizing (based on UG software) with this section then, biasing section line 0.5mm just obtains detecting the detection boundaries of cutter; Other borders are guaranteeing to detect under cutter self the rigidity prerequisite and can freely draw; Stretch then to reach and measure the cutter digital-to-analogue, measuring cutter detection boundaries and sheet metal component is 0.5mm in the gap of this section part, and the detection boundaries of measuring cutter is arranged in measures cutter figure bottom end position; The square groove of bottom, open end hook-shape structure is to be used for cooperating with reference column, in order to carry out Z to spacing to measuring cutter.
Position and the quantity selection principle of measuring cutter are:
(1) is distributed in the end and the centre position of product as far as possible;
(2) even as far as possible;
(3) on the section that product rebounds easily, arrange;
(4) the big more measurement cutter of product size quantity should be many more;
(5) the sheet metal component profile is more complicated, and measuring cutter quantity should be many more.
When the part accuracy deuterogenesis changes; The measurement section part of measuring cutter is bound to change; Precision is overproof like this will be examined out; Such as its design concept be: detecting the cutter detection faces is 0.5mm with gap, sheet metal component important mating feature place, with gap, secondary structure characteristic place be 1mm, so just realized that the subregion of sheet metal component precision is controlled.
4. binding clasp
Be used for clamping sheet metal component, to eliminate the whole torsional deformation of sheet metal component; Be conventional structure;
Be fixed on the substrate; The location determining method of binding clasp is simulation sheet metal component clamp device in welding process; Its clamped position with the clamp position consistency that is welded, purpose is eliminate to detect stress and the inconsistent measuring error that causes of weld clamp state.Binding clasp is a bar linkage structure, during use sheet metal component be on the substrate, the below of compact heap, through the handle that turns clockwise, drivening rod presses down clamping arm and to the clockwise deflection of compact heap, realizes compressing action.
In actual production, there is integral body distortion to a certain degree in sheet metal component, and this distortion is difficult to eliminate; Its influence degree to system accuracy is looked to be had the sheet metal component of matching relationship rigidity size with it and decides; Such as what cooperate with sheet metal component is the back door inner panel, and what its rigidity of sheet metal component will be big relatively is many, can when welding, well contact with inner panel through the orthopedic realization of anchor clamps like this; After unclamping anchor clamps; Because interior panel stiffness is bigger, sheet metal component can not cause the distortion of back door inner panel, is to use binding clasp to overcome the whole torsional deformation of product in this case.The clamping force size needs control, and the torsional deformation that very big if desired clamping force just can overcome sheet metal component also is not all right, even if can measure smoothly like this, but testing result cannot trust, so clamping force will depend on the circumstances.This type of binding clasp belongs to standard component, can directly purchase from market, and its clamping force mainly contains the hardness decision of block rubber, so for the suitable clamping force that obtains need customize a series of elasticity block rubber not of uniform size, realize the control of clamping force size.Choosing of block rubber hardness can be decided according to the actual conditions of each part.Binding clasp is arranged different with conventional cubing; This examination cubing adopts " simulating the real vehicle confined state fully " principle, i.e. binding clasp clamped position identical with actual welding process clamp position (can effectively avoid because of detecting and the stressed inconsistent error that causes of user mode).
As a kind of optimization of the present invention, said measurement cutter through an end be fixed in substrate, the upwardly extending fixed arm of the other end is realized connecting with substrate, measurement cutter and fixed arm is hinged and locate through fastener.
Cubing detecting operation step of the present invention is following:
1) sheet metal component is positioned on the cubing body through major-minor register pin.Smooth location, and do not have spacious amount then locate two pilot holes of sheet metal component be regarded as qualified;
2) clamp with binding clasp, three mating features on the affirmation sheet metal component are specially the zero stand-off with inspection and cooperate;
3) put down the detection cutter, observe sheet metal component and whether interfere with the detection cutter.Do not interfere that then to be regarded as the sheet metal component surface upper deviation qualified;
4) measure with the 0.5mm clearance gauge and respectively measure the gap between cutter and the sheet metal component, if can not insert then explain that lower deviation is qualified.
To sum up visible: owing to adopted above technical scheme, the present invention compared with prior art, the technical progress that is obtained is:
(1) this novel cubing is two big types with the sheet metal component feature decomposition: important mating feature and secondary structure characteristic, realize that the precision subregion detects and control.Sheet metal component key character accuracy of detection is set at 0～0.5mm, and (conventional cubing is-0.5～0.5mm), and accuracy of detection is doubled;
(2) secondary structure feature detection precision is reduced to-1～1mm by-0.7～0.7mm, sheet metal component accuracy guarantee difficulty is reduced significantly;
(3) sheet metal component detects laying state and simulates laying state in the practical set process fully, and measurement structure comes into plain view;
(4) fully analyze product bounce-back trend and rule, arrange at key position and measure cutter, effectively find the change point after the volume production;
(5) binding clasp layout and clamping force are chosen and are simulated the practical set state fully, the inconsistent error that causes of stress eliminating state;
(6) this cubing principle is applicable to that all automobiles are used sheet metal component except that outer covering piece.
In a word, the present invention can realize that sheet metal component is gone into factory, dispatch from the factory quick, high Precision Detection, can effectively find sheet metal component key character precision change point, and guarantee sheet metal component precision consistance in the vehicle life cycle.Detection when the present invention can be used for the sheet metal component examination.
Below in conjunction with accompanying drawing the present invention is explained further details.
Description of drawings
Fig. 1 is the structural representation of conventional cubing in the prior art;
Fig. 2 is the one-piece construction synoptic diagram of the embodiment of the invention;
Fig. 3 is the structural representation of middle cubing body 3 embodiment illustrated in fig. 2;
Fig. 4 is the structural representation of middle reference column embodiment illustrated in fig. 2;
Fig. 5 is the structural representation of middle fixed arm embodiment illustrated in fig. 2 and distribution thereof;
Fig. 6 is a middle structural representation of measuring cutter 2 and distribution thereof embodiment illustrated in fig. 2;
Fig. 7 is the structural representation of middle binding clasp 4 embodiment illustrated in fig. 2 and distribution thereof;
Fig. 8 is the one-piece construction synoptic diagram of middle binding clasp 4 individualities embodiment illustrated in fig. 7.
Among the figure: 1-substrate, 2-measurement cutter, 3-cubing body, 4-binding clasp, 5-characteristic block; 61-main reference column, 62-auxilliary reference column, 63-measure the cutter reference column, 7-pin shape is protruding, 8-yi word pattern groove; 9-square slot, 10-pedestal, 11-the first hinge, 12-clamp arm; 13-rubber clamp, 14-the second hinge, 15-O font connecting rod, 15,16-handle; 42-locating surface, 43-main register pin, 44-auxilliary register pin, 45-cubing body.
Embodiment
Embodiment
Shown in Figure 2 is that a kind of automobile metal plate work is checked and accepted cubing, comprise cubing body 3, measure cutter 2, reference column, binding clasp 4, wherein:
1. the cubing body 3
With reference to figure 3, it is used for the location of sheet metal component, matches with other member of sheet metal component and present embodiment in top.It comprises substrate 1 and is fixed in the characteristic block 5 that being separated by on the substrate 1 is provided with, and substrate 1 is a plane tabular, and the superstructure of characteristic block 5 is a feature structure, is complementary with the architectural feature with the characteristic block place of matching of seized sheet metal component.
2. reference column
With reference to figure 4, substrate 1 surface is fixed in the bottom of reference column.
Comprise the main and auxiliary reference column 61 and 62 that is used to locate sheet metal component, they also are used to measure the location of cutter 2.
Reference column comprises that also another is used to measure the measurement cutter reference column 63 of cutter 2 location.
Main and auxiliary reference column 61 and 62 head have and are used for the pin shape protruding 7 that matches with the auxilliary pilot hole of sheet metal component.The main body of measuring cutter reference column 63 is cylindrical, and the top has and is used for yi word pattern groove 8 that location survey cutter open end is positioned.
3. measure cutter 2
With reference to figure 6, measurement cutter 6 is put for erecting, horizontally extending sheet, is fixed in substrate 1 top, and its body shape is the hook-type of back-off, and the one of which end is the hinged securement end, and the other end is the open end at hook portion place, and the open end can be that the centre of gyration rotates up and down with the hinged end; Nearly hinged securement end, its bottom is divided into detection boundaries, and the open end section bottom has and is used for cooperating with reference column, carries out Z to spacing square slot 9 to measuring cutter 2, these square slot 9 convex falling into, and end opening is open.
4. binding clasp 4
The distribution on substrate 1 of binding clasp 4 and individual structure thereof can be with reference to figure 7 and Fig. 8.
Binding clasp 4 comprises the pedestal 10 that is fixed on the substrate 1, is hinged with the clamp arm 12 that can rotate up and down through first hinge 11 on the pedestal 10.
The other end of clamp arm 12 is fixedly connected with and clamp arm 12 vertically disposed rubber clamps 13.
Also be hinged with O font connecting rod 15 through second hinge 14 on the pedestal 10, the top of O font connecting rod 15 is fixedly connected with handle 16.Clamp arm 12 passes in O font connecting rod 15 and and 15 clearance fit of O font connecting rod.
Claims (5)
1. an automobile metal plate work is checked and accepted cubing, and it comprises cubing body, reference column,
It is characterized in that:It also comprises measures cutter, binding clasp, and said cubing body comprises substrate and be fixed in the characteristic block of being separated by and being provided with on the substrate that said substrate is a plane tabular; The superstructure of said characteristic block is a feature structure, is complementary with the architectural feature of seized sheet metal component with the characteristic block place of matching.
2. automobile metal plate work according to claim 1 is checked and accepted cubing,
It is characterized in that:Substrate surface is fixed in said reference column bottom, comprises the main and auxiliary reference column that is used to locate sheet metal component, also comprises the measurement cutter reference column that is used to measure the cutter location;
Main and auxiliary reference column, head have and are used for assisting the pin shape convexity that pilot hole matches with sheet metal component; Said measurement cutter reference column is that the top has the cylindrical of the yi word pattern groove that is used for location survey cutter open end is positioned.
3. automobile metal plate work according to claim 1 is checked and accepted cubing,
It is characterized in that:Said measurement cutter is put for erecting, horizontally extending sheet, is fixed in the substrate top, and its body shape is the hook-type of back-off, and the one of which end is the hinged securement end, and the other end is the open end at hook portion place, and the open end can be that the centre of gyration rotates up and down with the hinged end; Nearly hinged securement end is divided into detection boundaries bottom it, and the open end section bottom has and is used for cooperating with reference column, carries out Z to spacing square slot to measuring cutter, and said square slot is convex to fall into and the along continuous straight runs extension.
4. automobile metal plate work according to claim 1 is checked and accepted cubing,
It is characterized in that:Said binding clasp comprises the pedestal that is fixed on the substrate, is hinged with the clamp arm that can rotate up and down through first hinge on the pedestal, and the other end of clamp arm is fixedly connected with and the vertically disposed rubber clamp of clamp arm; Also be hinged with O font connecting rod through second hinge on the pedestal, the Xiang Duan of O font connecting rod is fixedly connected with handle; Clamp arm in O font connecting rod, pass and and O font connecting rod between clearance fit.
5. automobile metal plate work according to claim 3 is checked and accepted cubing,
It is characterized in that:Said measurement cutter through an end be fixed in substrate, the upwardly extending fixed arm of the other end is realized connecting with substrate, measurement cutter and fixed arm is hinged and locate through fastener.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110110928.1A CN102759314B (en) | 2011-04-29 | 2011-04-29 | Acceptance check detecting tool for automobile sheet metal parts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110110928.1A CN102759314B (en) | 2011-04-29 | 2011-04-29 | Acceptance check detecting tool for automobile sheet metal parts |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102759314A true CN102759314A (en) | 2012-10-31 |
| CN102759314B CN102759314B (en) | 2015-04-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201110110928.1A Expired - Fee Related CN102759314B (en) | 2011-04-29 | 2011-04-29 | Acceptance check detecting tool for automobile sheet metal parts |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105091702A (en) * | 2015-08-31 | 2015-11-25 | 圣美精密工业(昆山)有限公司 | Test fixture for sheet metal parts |
| CN106197232A (en) * | 2015-06-01 | 2016-12-07 | 高准有限公司 | Detection device and detection method for shell-like member |
| CN106216540A (en) * | 2016-07-29 | 2016-12-14 | 安徽江淮汽车股份有限公司 | Clamping device with error measure function and the method for measurement stamping parts error thereof |
| CN111981941A (en) * | 2020-08-18 | 2020-11-24 | 东风汽车股份有限公司 | Device and method for detecting space precision of radiator fixing support |
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| JPS61105401A (en) * | 1984-10-29 | 1986-05-23 | Shugo Fuwa | Measuring machine for repair of automobile sheet metal work |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106197232A (en) * | 2015-06-01 | 2016-12-07 | 高准有限公司 | Detection device and detection method for shell-like member |
| CN105091702A (en) * | 2015-08-31 | 2015-11-25 | 圣美精密工业(昆山)有限公司 | Test fixture for sheet metal parts |
| CN106216540A (en) * | 2016-07-29 | 2016-12-14 | 安徽江淮汽车股份有限公司 | Clamping device with error measure function and the method for measurement stamping parts error thereof |
| CN111981941A (en) * | 2020-08-18 | 2020-11-24 | 东风汽车股份有限公司 | Device and method for detecting space precision of radiator fixing support |
| CN111981941B (en) * | 2020-08-18 | 2022-05-17 | 东风汽车股份有限公司 | Device and method for detecting space precision of radiator fixing support |
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| CN102759314B (en) | 2015-04-22 |
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Granted publication date: 20150422 Termination date: 20200429 |