CN102759314B - 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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- CN102759314B CN102759314B CN201110110928.1A CN201110110928A CN102759314B CN 102759314 B CN102759314 B CN 102759314B CN 201110110928 A CN201110110928 A CN 201110110928A CN 102759314 B CN102759314 B CN 102759314B
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- sheet metal
- cutter
- cubing
- reference column
- metal component
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- Automobile Manufacture Line, Endless Track Vehicle, Trailer (AREA)
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 acceptance test instrument of automobile component, specifically a kind of automobile metal plate work checks and accepts cubing.
Background technology
The structure of the conventional cubing of current automobile metal plate work, generally comprises locating surface 42, major-minor register pin 43 and 44, substrate 1, cubing body 45 forms, as shown in the Fig. 1 in Figure of description.Its Cleaning Principle is as follows:
With locating surface and main and auxiliary register pin for detection reference, product periphery and detection faces gap (detection faces is obtained by the theoretical face 3mm of biased digital-to-analogue) is measured by clearance ruler, the tolerance of the important profile of current sheet metal component is ± 0.5mm, therefore to important profile, it is qualified that measured value is considered as in 3 ± 0.5mm.By major-minor register pin, sheet metal component is positioned at (locating surface is zero-potential surface) in cubing during detection, measured the gap of sheet metal component boundary and cubing body detection faces by clearance ruler, it is qualified that measured value is considered as at 3 ± 0.5mm.
The realization of above-mentioned Cleaning Principle, register pin and locating surface is needed to possess stronger reference, pilot hole is larger relative to the testing result impact of precision on important profile of product entirety with locating surface, and cubing detection reference is sometimes inconsistent with manufacture benchmark, reference for assembling, cause the error of detection cannot be reacted directly into practical set to close and fasten, cause the precision problem that occurs in 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 expense people requires great effort time-consuming, and detection efficiency is low, and testing cost is high, cannot realize quick sampling observation.
In a word, existing conventional cubing also exist accuracy of detection low, measure operation relative complex, without precision change point recognition function, having Partial Feature to be positioned at check frequency cannot the weak point of examinations.
Summary of the invention
The technical problem to be solved in the present invention, be to provide a kind of automobile metal plate work and check and accept cubing, can realize that sheet metal component enters factory, dispatches from the factory fast, high precision test, effectively can find sheet metal component key character precision change point, and ensure sheet metal component precision consistance in vehicle life cycle.
The present invention is for solving the problems of the technologies described above, and the technical scheme taked is:
A kind of automobile metal plate work checks and accepts cubing, comprise cubing body, measure cutter, reference column, binding clasp, described cubing body comprises substrate and is fixed on the characteristic block arranged of being separated by substrate, described substrate is plane tabular, the superstructure of described characteristic block is feature structure, matches with the architectural feature of tested sheet metal component with the characteristic block place of matching.
Being fixed on substrate surface bottom described reference column, comprising the main and auxiliary reference column for locating sheet metal component, also comprising the measurement cutter reference column for measuring cutter location;
Main and auxiliary reference column, head with has the pin-shaped projection for matching with the auxiliary pilot hole of sheet metal component; Described measurement cutter reference column is that top tape has the cylindrical of the yi word pattern groove for positioning location survey cutter open end.
Described measurement cutter be perpendicular to put, the sheet of horizontal-extending, be fixed on surface, its body shape is the hook-type of back-off, and its one end is hinged stiff end, and the other end is the open end at hook portion place, and open end can be that the centre of gyration rotates up and down with hinged end; Bottom it, nearly hinged anchor portion is divided into detection boundaries, and open end section bottom belt has for coordinating with reference column, carry out the spacing square slot of Z-direction to measurement cutter, and described square slot is convex to fall into and extends in the horizontal direction.
Described binding clasp comprises the pedestal be fixed on substrate, pedestal is hinged with the clamp arm that can rotate up and down through the first hinge, and the other end of clamp arm is fixedly connected with the vertically disposed rubber clamp with clamp arm; Pedestal is also hinged with O font connecting rod through the second hinge, and the Xiang Duan of O font connecting rod is fixedly connected with handle; Clamp arm in O font connecting rod through and and clearance fit between O font connecting rod.
Be more than basic structure of the present invention, in its component composition:
1. cubing body
For simulating matching relationship in the welding of sheet metal parts process, and by actual welding process, all feature extraction process participating in coordinating of sheet metal component, then generating feature block, during detection, makes sheet metal component coordinate with cubing body space, and then measures the error of other profiles;
The feature structure of characteristic block is the local feature being had matching relationship by extraction periphery counterpart and detected member.Method is:
(1) feature of matching relationship is had all to extract (comprising the parts of periphery, clamp locating pin, locating surface etc.) by with sheet metal component;
(2) in order to better detect sheet metal component, sheet metal component surface-type feature is divided into two classes: architectural feature and mating feature, architectural feature has referred to transition, reinforcement, the reinforcement of manufacturability effect, fabrication holes etc., these features do not participate in coordinating in the fabrication process, and this type of feature definition requires lower.Mating feature: refer to the feature (comprise cubing location, fixture is located, and coordinates with its Surrounding Parts) participating in process of production coordinating, accuracy requirement is high;
(3) important mating feature and secondary structure feature on sheet metal component is gone out according to the concept identification in (2);
(4) in order to realize this cubing accuracy of detection change point measuring ability, need identify on sheet metal component and hold labile feature, common labile feature, such as lead round feature, these features are after volume production, because die wear, pressure change all can cause round place to have a rebound, it is the change point needing to measure and control;
(5) analyze sheet metal component important mating feature, choose the feature being applicable to doing with periphery mating feature zero stand-off and coordinating.Selection principle is, chooses the mating feature that sheet metal component and all edge pieces are the matching relationship that zero stand-off contacts as far as possible.Mating feature as shown below as shown in this application examples is as zero stand-off mating feature.
2. reference column
For locating sheet metal component and measuring cutter.Main and auxiliary reference column is for locating sheet metal component, and wherein main reference column is corresponding with the main pilot hole of sheet metal component, and auxiliary reference column is corresponding with the auxiliary pilot hole of sheet metal component, close with the major-minor register pin function in conventional cubing, sometimes also can simultaneously for location survey cutter.
3. cutter is measured
Be used for measuring the section precision at sheet metal component key position place;
Measuring cutter method for determining shape is, first determine according to the arrangement principle detected the position measuring cutter, then sketch plane skeletonizing (based on UG software) is done with this section, biased section line 0.5mm just obtains the detection boundaries detecting cutter, other borders can freely be drawn under guarantee detects cutter stiffness by itself prerequisite, then stretch to reach and measure cutter digital-to-analogue, measurement cutter detection boundaries and sheet metal component are 0.5mm in the gap of this section part, the detection boundaries measuring cutter is arranged in measures cutter figure bottom end, bottom open end, the square groove of hook-shape structure is used to coordinate with reference column, spacing in order to carry out Z-direction to measurement cutter.
Position and the quantity selection principle of measuring cutter are:
(1) end and the centre position of product is distributed in as far as possible;
(2) even as far as possible;
(3) product easily occur rebound section on arrange;
(4) product size larger measurement cutter quantity should be more;
(5) sheet metal component profile is more complicated, and measuring cutter quantity should be more.
When part accuracy deuterogenesis changes, the Measure section place measuring cutter is bound to change, such precision is overproof will be examined out, such as its design concept is: detection cutter detection faces and gap, sheet metal component important mating feature place are 0.5mm, be 1mm with gap, secondary structure feature place, so just achieve the zonal control of sheet metal component precision.
4. binding clasp
Be used for clamping sheet metal component, to eliminate the overall torsional deformation of sheet metal component; For conventional structure;
Be fixed on substrate, the location determining method of binding clasp is simulation sheet metal component clamp clamping device of clamp in welding process, its clamped position with the clamp position consistency that is welded, object eliminates to detect stress and inconsistent the caused measuring error of weld clamp state.Binding clasp is bar linkage structure, during use sheet metal component be on substrate, the below of compact heap, by the handle that turns clockwise, drivening rod presses down clamping arm and deflects clockwise to compact heap, realizes compressing action.
In actual production, there is overall distortion to a certain degree in sheet metal component, this distortion is difficult to eliminate, its to the influence degree of system accuracy depending on there being with it the sheet metal component rigidity size of matching relationship, what such as coordinate with sheet metal component is back door inner panel, its rigidity of relative sheet metal component wants large many, like this can when welding by the orthopedic realization of fixture and inner panel good contact, after unclamping fixture, because interior panel stiffness is larger, sheet metal component can not cause back door inner panel to be out of shape, and is in this case to use binding clasp to overcome the overall torsional deformation of product.Clamping force size needs to control, if the torsional deformation needing very large clamping force just can overcome sheet metal component is also not all right, even if can measure smoothly like this, but testing result cannot be trusted, so clamping force will depend on the circumstances.This type of binding clasp belongs to standard component, can directly purchase from the market, and the hardness that its clamping force mainly contains block rubber determines, so need to customize a series of elasticity block rubber not of uniform size in order to the suitable clamping force obtained, realizes the control of clamping force size.Choosing of block rubber hardness can be determined according to the actual conditions of each.Binding clasp is arranged different from conventional cubing, this examination cubing adopts " completely simulate real vehicle confined state " principle, i.e. binding clasp clamped position identical with actual welding process chuck tightening position (can effectively avoid because detecting and the stressed inconsistent and error that causes of using state).
Optimize as one of the present invention, the fixed arm that described measurement cutter is fixed on substrate through one end, the other end upwards extends and substrate realize connecting, measurement cutter and fixed arm hinged and locate through fastener.
It is as follows that cubing of the present invention detects operation steps:
1) sheet metal component is positioned on cubing body by major-minor register pin.Smooth location, and do not have spacious amount then locate sheet metal component two pilot holes be considered as qualified;
2) with binding clasp clamping, three mating features on confirmation sheet metal component are specially zero stand-off with inspection and coordinate;
3) put down detection cutter, observe sheet metal component and whether interfere with detection cutter.Do not interfere, deviation is qualified to be on the surface considered as sheet metal component;
4) measure the gap between each measurement cutter and sheet metal component with 0.5mm clearance gauge, if can not insert, illustrate that lower deviation is qualified.
As fully visible: owing to have employed above technical scheme, compared with prior art, acquired technical progress is in the present invention:
(1) sheet metal component feature decomposition is two large classes by this novel cubing: important mating feature and secondary structure feature, realize precision Subarea detecting and control.Sheet metal component key character accuracy of detection is set as 0 ~ 0.5mm (conventional cubing is-0.5 ~ 0.5mm), 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 significantly reduced;
(3) sheet metal component detects laying state and simulates laying state in practical set process completely, measures structure very clear;
(4) fully analyze product bounce-back trend and rule, arrange at key position and measure cutter, effectively find the change point after volume production;
(5) binding clasp layout and clamping force are chosen and are simulated practical set state completely, the error that stress eliminating state is inconsistent caused;
(6) this cubing principle is applicable to all automobile sheet metal components except outer covering piece.
In a word, the present invention can realize that sheet metal component enters factory, dispatches from the factory fast, high precision test, effectively can find sheet metal component key character precision change point, and ensure sheet metal component precision consistance in vehicle life cycle.The present invention can be used for detection when sheet metal component is checked and accepted.
Below in conjunction with accompanying drawing, the present invention is described in further details.
Accompanying drawing explanation
Fig. 1 is the structural representation of conventional cubing in prior art;
Fig. 2 is the one-piece construction schematic diagram of the embodiment of the present 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 the structural representation of middle measurement cutter 2 embodiment illustrated in fig. 2 and distribution thereof;
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 schematic diagram of middle binding clasp 4 individuality embodiment illustrated in fig. 7.
In figure: 1-substrate, 2-measure cutter, 3-cubing body, 4-binding clasp, 5-characteristic block, 61-main reference column, 62-auxiliary reference column, 63-measure cutter reference column, 7-pin-shaped projection, 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-auxiliary register pin, 45-cubing body.
Embodiment
Embodiment
Figure 2 shows that a kind of automobile metal plate work checks and accepts cubing, comprise cubing body 3, measure cutter 2, reference column, binding clasp 4, wherein:
1. cubing body 3
With reference to figure 3, it is for the location of sheet metal component, matches with other component of sheet metal component and the present embodiment in top.It comprises substrate 1 and is fixed on the characteristic block 5 arranged of being separated by substrate 1, and substrate 1 is plane tabular, and the superstructure of characteristic block 5 is feature structure, with matching with the architectural feature at the characteristic block place of matching of tested 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 for locating sheet metal component, they are also for measuring the location of cutter 2.
Reference column also comprises another measurement cutter reference column 63 of locating for measuring cutter 2.
Main and auxiliary reference column 61 with 62 head with have for match with the auxiliary pilot hole of sheet metal component pin-shaped protruding 7.The main body measuring cutter reference column 63 is cylindrical, and top tape has the yi word pattern groove 8 for positioning location survey cutter open end.
3. cutter 2 is measured
With reference to figure 6, measure cutter 6 be erect put, the sheet of horizontal-extending, be fixed on above substrate 1, its body shape is the hook-type of back-off, and its one end is hinged stiff end, and the other end is the open end at hook portion place, and open end can be that the centre of gyration rotates up and down with hinged end; Bottom it, nearly hinged anchor portion is divided into detection boundaries, and open end section bottom belt has for coordinating with reference column, carry out the spacing square slot 9 of Z-direction to measurement cutter 2, and this square slot 9 is convex to fall into, and end opening is open.
Measure cutter 2 is fixed on substrate through one end, the other end upwards extends fixed arm to realize connecting with substrate 1, measurement cutter and fixed arm hinged and locate through fastener.The structure of fixed arm and and substrate 1 between connecting relation as shown in Figure 5.
4. binding clasp 4
The distribution on substrate 1 of binding clasp 4 and the structure of individuality thereof can with reference to figure 7 and Fig. 8.
Binding clasp 4 comprises the pedestal 10 be fixed on substrate 1, pedestal 10 is hinged with the clamp arm 12 that can rotate up and down through the first hinge 11.
The other end of clamp arm 12 is fixedly connected with the vertically disposed rubber clamp 13 with clamp arm 12.
The top that pedestal 10 is also hinged with O font connecting rod 15, O font connecting rod 15 through the second hinge 14 is fixedly connected with handle 16.Clamp arm 12 in O font connecting rod 15 through and and clearance fit between O font connecting rod 15.
Claims (5)
1. automobile metal plate work checks and accepts a cubing, and it comprises cubing body, reference column,
it is characterized in that:it also comprises measures cutter, binding clasp, and described cubing body comprises substrate and is fixed on the characteristic block arranged of being separated by substrate, and described substrate is plane tabular; The superstructure of described characteristic block is feature structure, matches with the architectural feature of tested sheet metal component with the characteristic block place of matching; Described measurement cutter is fixed on surface, and its body shape is the hook-type of back-off, and its one end is hinged stiff end, and the other end is the open end at hook portion place, and open end can be that the centre of gyration rotates up and down with hinged end.
2. automobile metal plate work according to claim 1 checks and accepts cubing,
it is characterized in that:being fixed on substrate surface bottom described reference column, comprising the main and auxiliary reference column for locating sheet metal component, also comprising the measurement cutter reference column for measuring cutter location;
Main and auxiliary reference column, head with has the pin-shaped projection for matching with the auxiliary pilot hole of sheet metal component; Described measurement cutter reference column is that top tape has the cylindrical of the yi word pattern groove for positioning location survey cutter open end.
3. automobile metal plate work according to claim 1 checks and accepts cubing,
it is characterized in that:described measurement cutter be perpendicular to put, the sheet of horizontal-extending; Bottom it, nearly hinged anchor portion is divided into detection boundaries, and open end section bottom belt has for coordinating with reference column, carry out the spacing square slot of Z-direction to measurement cutter, and described square slot is convex to fall into and extends in the horizontal direction.
4. automobile metal plate work according to claim 1 checks and accepts cubing,
it is characterized in that:described binding clasp comprises the pedestal be fixed on substrate, pedestal is hinged with the clamp arm that can rotate up and down through the first hinge, and the other end of clamp arm is fixedly connected with the vertically disposed rubber clamp with clamp arm; Pedestal is also hinged with O font connecting rod through the second hinge, and the Xiang Duan of O font connecting rod is fixedly connected with handle; Clamp arm in O font connecting rod through and and clearance fit between O font connecting rod.
5. automobile metal plate work according to claim 3 checks and accepts cubing,
it is characterized in that:described substrate is fixed with the fixed arm upwards extended, the hinged stiff end of described measurement cutter and the upper end of described fixed arm hinged 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 |
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| Publication Number | Publication Date |
|---|---|
| CN102759314A CN102759314A (en) | 2012-10-31 |
| CN102759314B true 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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Families Citing this family (4)
| 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 |
| CN106216540B (en) * | 2016-07-29 | 2018-05-04 | 安徽江淮汽车集团股份有限公司 | Clamping device with error measure function and its method for measuring stamping parts error |
| 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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| CN201281575Y (en) * | 2008-09-05 | 2009-07-29 | 上海德真工贸有限公司 | Detection device for right support for novel automobile front frame |
| CN201281576Y (en) * | 2008-09-05 | 2009-07-29 | 上海德真工贸有限公司 | Detection device for connection support for automobile front frame |
| CN201607186U (en) * | 2009-10-13 | 2010-10-13 | 上海德真工贸有限公司 | Check tool for fixing angle plates of automobile instrument panel framework cross beams |
| CN201607202U (en) * | 2009-10-13 | 2010-10-13 | 上海德真工贸有限公司 | Check tool for right supports of automobile instrument board framework cross beams |
| CN101907431A (en) * | 2010-07-29 | 2010-12-08 | 广东鸿特精密技术股份有限公司 | Hole position comprehensive check tool with auxiliary measuring block |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61105401A (en) * | 1984-10-29 | 1986-05-23 | Shugo Fuwa | Measuring machine for repair of automobile sheet metal work |
| CN101607202A (en) * | 2008-06-19 | 2009-12-23 | 琳德股份有限公司 | The purification of terephthalic acid method |
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2011
- 2011-04-29 CN CN201110110928.1A patent/CN102759314B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201281575Y (en) * | 2008-09-05 | 2009-07-29 | 上海德真工贸有限公司 | Detection device for right support for novel automobile front frame |
| CN201281576Y (en) * | 2008-09-05 | 2009-07-29 | 上海德真工贸有限公司 | Detection device for connection support for automobile front frame |
| CN201607186U (en) * | 2009-10-13 | 2010-10-13 | 上海德真工贸有限公司 | Check tool for fixing angle plates of automobile instrument panel framework cross beams |
| CN201607202U (en) * | 2009-10-13 | 2010-10-13 | 上海德真工贸有限公司 | Check tool for right supports of automobile instrument board framework cross beams |
| CN101907431A (en) * | 2010-07-29 | 2010-12-08 | 广东鸿特精密技术股份有限公司 | Hole position comprehensive check tool with auxiliary measuring block |
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| CN102759314A (en) | 2012-10-31 |
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