CN105091693A - Apparatus for detecting welding position deviation of nut - Google Patents
Apparatus for detecting welding position deviation of nut Download PDFInfo
- Publication number
- CN105091693A CN105091693A CN201510254412.2A CN201510254412A CN105091693A CN 105091693 A CN105091693 A CN 105091693A CN 201510254412 A CN201510254412 A CN 201510254412A CN 105091693 A CN105091693 A CN 105091693A
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- nut
- detected
- installing plate
- guide
- measuring means
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Abstract
The invention discloses an apparatus for detecting welding position deviation of a nut. The apparatus comprises a pedestal fixedly connected to a testing tool body. The pedestal is provided with an installing plate in a rotatable manner through a rotation shaft. The axis of the rotation shaft is perpendicular to the axis of a to-be-detected nut. The installing plate rotates about the rotation shaft, and is close to or away from a workpiece for the to-be-detected nut. In a detecting state, the installing plate is attached to the surface of the workpiece. The installing plate is provided with pin sleeves, and in the detecting state, the center of each pin sleeve and the center of the theoretical welding position of the to-be-detected nut are coaxial. Detecting pins pass through the respective pin sleeves, the cylindrical segment of each detecting pin sleeves the inner ring of the corresponding pin sleeve, and the threaded segment of each detecting pin is in threaded fit with the to-be-detected nut. Each pin sleeve is equipped with detecting datum lines. In this way, the apparatus can detect the precision of the position of a nut that has been welded, thereby providing data support for adjustment of the position of the nut and ensuring the assembling precision of related parts.
Description
Technical field
The present invention relates to cubing technical field, particularly relate to a kind of welded nut position degree error measuring means.
Background technology
Automobile body-in-white assembly primarily of stamping parts single-piece by welding, bolts assemblies formed sub-unit, then by sub-unit again welding form body in white assembly; Particularly, needing in the one in two parts assembled by nut-welding, bolt passes the via hole on two parts, and with nut to realize assembling; Therefore, the overall precision after the welding position precision of nut on part whether qualified directly impact assembling.For arrangements for automotive doors, car door assembly is welded with nut, during assembling, car door assembly uses bolt to be arranged on vehicle body by hinge, and therefore car door assembly top nut welding position precision directly affects car door assembly quality.
High-precision body in white not only can ensure the assembly precision of total component, also be the important factor in order of vehicle body outward appearance gap and car load quality simultaneously, therefore, how welding back nut position degree precision is detected, and carry out the adjustment of nut-welding position according to detection data and become problem demanding prompt solution.
Summary of the invention
The object of this invention is to provide a kind of welded nut position degree error measuring means, it can detect the nut location precision after welding, thus provides Data support for nut location adjustment, ensures the assembly precision of associated components.
To achieve these goals, the invention provides a kind of welded nut position degree error measuring means, comprise the pedestal being fixed in cubing body, described pedestal is rotatablely equipped with installing plate by turning axle; The axes normal of described turning axle in the axis of nut to be detected, described installing plate around described turning axle rotate and near or away from the product at described nut place to be detected, and when being positioned at detected state, the surface of described installing plate and described product fits; Described installing plate is provided with guide, and when being positioned at detected state, the center of guide and the theoretical welding position central coaxial of nut to be detected, test pin is through described guide, and being sheathed on described guide inner ring with its cylindrical section, thread segment and the described nut to be detected of described test pin are screwed.
Preferably, the external diameter of described cylindrical section is greater than the via hole aperture of this nut corresponding position to be detected on described product.
Preferably, also comprise web joint, one end of described web joint is rotated by described turning axle and is installed on described pedestal, and its other end is fixedly connected with described installing plate.
Preferably, also comprise fastening bolt, when described detected state, described pedestal is fixedly connected with by described fastening bolt with described web joint.
Preferably, the outer face of described guide is provided with detection reference line.
Preferably, described detection reference line comprises horizontal datum and vertical datum line.
Preferably, described cylindrical section is hollow cylinder, and its inside surface is interior hexagonal structure.
Preferably, described guide has two, and has predeterminable range between guide described in two.
Welded nut position degree error measuring means provided by the present invention comprise the pedestal being fixed in cubing body, and described pedestal is rotatablely equipped with installing plate by turning axle; The axes normal of described turning axle in the axis of nut to be detected, described installing plate around described turning axle rotate and near or away from the product at described nut place to be detected, and when being positioned at detected state, the surface of described installing plate and described product fits; Described installing plate is provided with guide, and when being positioned at detected state, the center of guide and the theoretical welding position central coaxial of nut to be detected, test pin is through described guide, and being sheathed on described guide inner ring with its cylindrical section, thread segment and the described nut to be detected of described test pin are screwed; Described guide is provided with detection reference line.
In testing process, product with nut to be detected is fixed on cubing body, rotating installing plate makes it rotate to the direction near product relative to pedestal around turning axle, turn to installing plate and article surface when fitting, then installing plate rotate in place, now, the center of guide and the theoretical welding position central coaxial of nut to be detected; Then, by test pin thread segment be screwed in nut to be detected by the mode of threaded engagement, after pin to be detected enters nut appropriate depth to be detected, use vernier caliper or other testing tool deviation measured in the center of test pin and guide in the heart can learn the position degree deviation of weld bolt.Like this, the nut location precision after welding can be detected by these welded nut position degree error measuring means, thus for nut location adjustment provide Data support, ensure that the assembly precision of associated components.
In a preferred embodiment, in welded nut position degree error measuring means provided by the present invention, the external diameter of the cylindrical section of its test pin is greater than the via hole aperture of this nut corresponding position to be detected on described product; Like this, when the thread segment of test pin screws in nut to be detected, when test pin arrives assigned address, the end face of cylindrical section is overlapped on the surface of product, not only ensure that the stability of test pin, avoid it to shake when measuring, and there is positioning action, the degree of depth avoiding test pin to screw in nut to be detected is crossed dark or excessively shallow, improves measurement accuracy and convenience.
In another preferred embodiment, welded nut position degree error measuring means provided by the present invention also comprise fastening bolt, and when described detected state, described pedestal is fixedly connected with by described fastening bolt with described web joint; Like this, when installing plate turns to predeterminated position relative to pedestal, limited the position of web joint and pedestal by fastening bolt, thus avoid installing plate to shake, further ensure accuracy of detection.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present application or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment below, apparently, the accompanying drawing that the following describes is only some embodiments recorded in the present invention, for those of ordinary skill in the art, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of a kind of embodiment of pick-up unit provided by the present invention;
Fig. 2 for test pin in pick-up unit shown in Fig. 1 and guide in running order time structural representation;
Fig. 3 is the structural representation of test pin in pick-up unit shown in Fig. 1
Fig. 4 is the structural representation of pick-up unit provided by the present invention time in running order;
Fig. 5 is the application structure figure of pick-up unit provided by the present invention in cubing.
Description of reference numerals:
0-cubing body 1-test pin 11-cylindrical section 12-thread segment 2-guide 21-detection reference line
3-installing plate 4-web joint 5-pedestal 6-fastening bolt 7-product 8-nut to be detected
9-turning axle 100-pick-up unit
Embodiment
Core of the present invention is to provide a kind of welded nut position degree error measuring means, and it can detect the nut location precision after welding, thus provides Data support for nut location adjustment, ensures the assembly precision of associated components.
In order to make those skilled in the art understand technical scheme of the present invention better, below in conjunction with accompanying drawing, the present invention is further detailed.
Please refer to Fig. 1-Fig. 3, Fig. 1 is the structural representation of a kind of embodiment of pick-up unit provided by the present invention; Fig. 2 for test pin in pick-up unit shown in Fig. 1 and guide in running order time structural representation; Fig. 3 is the structural representation of test pin in pick-up unit shown in Fig. 1.
In a kind of embodiment, welded nut position degree error measuring means 100 provided by the present invention comprise the pedestal 5 being fixed in cubing body 0, and described pedestal 5 is rotatablely equipped with installing plate 3 by turning axle 9; The axes normal of described turning axle 9 is in the axis of nut 8 to be detected, described installing plate 3 around described turning axle 9 rotate and near or away from the product 7 at described nut 8 place to be detected, and when being positioned at detected state, described installing plate 3 fits with the surface of described product 7; Described installing plate 3 is provided with guide 2, and when being positioned at detected state, the center of guide 2 and the theoretical welding position central coaxial of nut to be detected, test pin 1 is through described guide 2, and being sheathed on described guide 2 inner ring with its cylindrical section 11, thread segment 12 and the described nut 8 to be detected of described test pin 1 are screwed; Described guide 2 is provided with detection reference line 21.
In order to improve detection convenience, detection reference line 21 can be provided with on the outer face of guide 2; Further, this detection reference line 21 comprises horizontal datum and vertical datum line, can by detecting the deviation of coordinate system groove (coordinate system that horizontal datum and the vertical datum line are formed) position on test pin 1 and guide 2 end face when detecting, detect and draw test pin 1 deviation in a coordinate system, that is to say nut 8 to be detected deviation in a coordinate system, to improve accuracy of detection.Apparently, detection reference line 21 also can be the form of scale mark, or is only the form of horizontal datum or vertical datum line.
The cylindrical section 11 of above-mentioned test pin 1 can be hollow cylinder, and its inside surface is interior hexagonal structure, so that the installation and removal of test pin 1.
Particularly, guide 2 can be provided with two, and has predeterminable range between guide 2 described in two, to meet application when having two groups of nut 8 operating modes to be detected, can also detect the relative positional accuracy between two nuts 8 to be detected simultaneously.Apparently, the concrete number of guide 2 can be determined according to actual service condition, also can be such as one, three or more.
In testing process, product 7 with nut 8 to be detected is fixed on cubing body 0, rotating installing plate 3 makes it rotate to the direction near product 7 relative to pedestal 5 around turning axle 9, turn to installing plate 3 when fitting with product 7 surface, then installing plate 3 rotate in place, now, the center of guide 2 and the theoretical welding position central coaxial of nut to be detected 8; Then, the thread segment 12 of test pin 1 is screwed in nut 8 to be detected by the mode of threaded engagement, after pin 1 to be detected enters nut 8 appropriate depth to be detected, use vernier caliper or other testing tool deviation measured in the center of test pin 1 and guide 2 in the heart can learn the position degree deviation of weld bolt.Like this, the nut location precision after welding can be detected by these welded nut position degree error measuring means 100, thus for nut location adjustment provide Data support, ensure that the assembly precision of associated components.
Further, the external diameter of the cylindrical section 11 of above-mentioned test pin 1 is greater than the via hole aperture of this nut 8 corresponding position to be detected on described product 7; Like this, when the thread segment 12 of test pin 1 screws in nut 8 to be detected, when test pin 1 arrives assigned address, the end face of cylindrical section 11 is overlapped on the surface of product 7, not only ensure that the stability of test pin 1, avoid it to shake when measuring, and there is positioning action, the degree of depth avoiding test pin 1 to screw in nut 8 to be detected is crossed dark or excessively shallow, improves measurement accuracy and convenience.
In order to improve connection reliability between pedestal 5 and installing plate 3 and convenience, web joint 4 can be set between installing plate 3 and pedestal 5, one end of described web joint 4 is rotated by described turning axle 9 and is installed on described pedestal 5, and its other end is fixedly connected with described installing plate 3.
Further, welded nut position degree error measuring means 100 provided by the present invention also comprise fastening bolt 6, and when described detected state, described pedestal 5 is fixedly connected with by described fastening bolt 6 with described web joint 4; Like this, when installing plate 3 turns to predeterminated position relative to pedestal 5, limited the position of web joint 4 and pedestal 5 by fastening bolt 6, thus avoid installing plate 3 to shake, further ensure accuracy of detection.
Particularly, said base 5 can be U-shaped structure, the biside plate of U-shaped structure offers via hole respectively, turning axle 9 is installed in two via holes, and can rotate in via hole inner circumferential, a part for web joint 4 is arranged in the accommodation space of U-shaped structure, and it is outer and to be bolted with installing plate 3 or the mode such as clamping is fixedly connected with that another part stretches out pedestal 5; The base plate of pedestal 5 also offers mounting hole, fastening bolt 6 is installed in this mounting hole, mounting hole can be threaded hole, fastening bolt 6 screws in threaded hole and can fix, mounting hole also can be unthreaded hole, fastening bolt 6 is fixed by the nut of coupling through after unthreaded hole, and apparently, web joint 4 also should offer can through the via hole of fastening bolt 6.
From theory, pedestal 5 is for being arranged on cubing body 0 by whole pick-up unit 100, as long as can realize installing reliably, its concrete structure is not limited to U-shaped structure, also can be the form of platy structure or contiguous block.
Below for the welded nut at body hinge mounting hole place, sketch the course of work of pick-up unit 100 provided by the present invention.
As shown in Figure 4, Figure 5, car door assembly part is fixedly mounted on cubing body 0, rotates installing plate 3, after rotateing in place, use fastening bolt 6 to be fixed, after installing plate 3 rotate in place, the center of guide 2 and the theoretical welding position central coaxial of bolt to be detected; The thread segment 12 of test pin 1 is screwed in nut 8 to be detected by the mode of threaded engagement, external diameter due to the cylindrical section 11 of test pin 1 is greater than the via hole aperture on nut 8 place to be detected product 7, screw when putting in place, the end face of cylindrical section 11 is resisted against the surface of product 7, ensures that test pin 1 does not shake; Test pin 1 is screwed into the position degree deviation that rear use vernier caliper or other testing tool deviation detected in the center of test pin 1 and guide 2 in the heart can learn bolt to be detected, by detecting the deviation at the coordinate system scribe line position place on guide 2 during concrete detection, detect and draw test pin 1 deviation in a coordinate system, that is to say nut 8 to be detected deviation in a coordinate system.
Mode above only by illustrating describes some one exemplary embodiment of the present invention, undoubtedly, for those of ordinary skill in the art, when without departing from the spirit and scope of the present invention, can revise described embodiment by various different mode.Therefore, above-mentioned accompanying drawing is illustrative with being described in essence, should not be construed as the restriction to the claims in the present invention protection domain.
Claims (8)
1. welded nut position degree error measuring means, it is characterized in that, comprise the pedestal (5) being fixed in cubing body (0), described pedestal (5) is rotatablely equipped with installing plate (3) by turning axle (9); The axes normal of described turning axle (9) is in the axis of nut to be detected (8), described installing plate (3) around described turning axle (9) rotate and near or away from the product (7) at described nut to be detected (8) place, and when being positioned at detected state, described installing plate (3) fits with the surface of described product (7); Described installing plate (3) is provided with guide (2), and when being positioned at detected state, the center of guide (2) and the theoretical welding position central coaxial of nut to be detected, test pin (1) is through described guide (2), and being sheathed on described guide (2) inner ring with its cylindrical section (11), thread segment (12) and the described nut to be detected (8) of described test pin (1) are screwed.
2. welded nut position degree error measuring means according to claim 1, is characterized in that, the external diameter of described cylindrical section (11) is greater than the via hole aperture of described product (7) this nut to be detected (8) corresponding position upper.
3. welded nut position degree error measuring means according to claim 1, it is characterized in that, also comprise web joint (4), one end of described web joint (4) is rotated by described turning axle (9) and is installed on described pedestal (5), and its other end is fixedly connected with described installing plate (3).
4. welded nut position degree error measuring means according to claim 3, it is characterized in that, also comprise fastening bolt (6), when described detected state, described pedestal (5) is fixedly connected with by described fastening bolt (6) with described web joint (4).
5. the welded nut position degree error measuring means according to any one of Claims 1-4, is characterized in that, the outer face of described guide (2) are provided with detection reference line (21).
6. welded nut position degree error measuring means according to claim 5, is characterized in that, described detection reference line (21) comprises horizontal datum and vertical datum line.
7. the welded nut position degree error measuring means according to any one of Claims 1-4, it is characterized in that, described cylindrical section (11) is hollow cylinder, and its inside surface are interior hexagonal structure.
8. the welded nut position degree error measuring means according to any one of Claims 1-4, is characterized in that, described guide (2) has two, and have predeterminable range between guide described in two (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510254412.2A CN105091693B (en) | 2015-05-18 | 2015-05-18 | A kind of welded nut position degree error measuring means |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510254412.2A CN105091693B (en) | 2015-05-18 | 2015-05-18 | A kind of welded nut position degree error measuring means |
Publications (2)
| Publication Number | Publication Date |
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| CN105091693A true CN105091693A (en) | 2015-11-25 |
| CN105091693B CN105091693B (en) | 2017-12-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510254412.2A Expired - Fee Related CN105091693B (en) | 2015-05-18 | 2015-05-18 | A kind of welded nut position degree error measuring means |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108444359A (en) * | 2018-04-19 | 2018-08-24 | 广州宁武科技股份有限公司 | A kind of device measuring sheet metal component nut location tolerance |
| CN110579152A (en) * | 2019-10-23 | 2019-12-17 | 奇瑞汽车股份有限公司 | Automatic utensil is examined to air conditioner HVAC assembly |
| CN113834402A (en) * | 2021-08-27 | 2021-12-24 | 东风电驱动系统有限公司 | Generator comprehensive position degree inspection device |
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| CN204831062U (en) * | 2015-05-18 | 2015-12-02 | 安徽江淮汽车股份有限公司 | Welded nut position degree deviation detection device |
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2015
- 2015-05-18 CN CN201510254412.2A patent/CN105091693B/en not_active Expired - Fee Related
Patent Citations (7)
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| JPH0797002B2 (en) * | 1985-12-12 | 1995-10-18 | ケネス・エル・ウイリアムズ・シニア | Apparatus for measuring concentricity of work pieces |
| CN201731836U (en) * | 2010-06-04 | 2011-02-02 | 安徽江淮汽车股份有限公司 | Auxiliary tool for threaded hole position detection |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108444359A (en) * | 2018-04-19 | 2018-08-24 | 广州宁武科技股份有限公司 | A kind of device measuring sheet metal component nut location tolerance |
| CN110579152A (en) * | 2019-10-23 | 2019-12-17 | 奇瑞汽车股份有限公司 | Automatic utensil is examined to air conditioner HVAC assembly |
| CN113834402A (en) * | 2021-08-27 | 2021-12-24 | 东风电驱动系统有限公司 | Generator comprehensive position degree inspection device |
| CN113834402B (en) * | 2021-08-27 | 2024-04-19 | 东风电驱动系统有限公司 | Comprehensive position degree inspection device for generator |
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| CN105091693B (en) | 2017-12-01 |
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Address after: 230601 Anhui Province, Hefei City Industrial Park, the Peach Blossom Road No. 669 Applicant after: ANHUI JIANGHUAI AUTOMOBILE GROUP Corp.,Ltd. Address before: 230601 Anhui Province, Hefei City Industrial Park, the Peach Blossom Road No. 669 Applicant before: ANHUI JIANGHUAI AUTOMOBILE Co.,Ltd. |
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