CN219714264U - Workpiece contour detection device - Google Patents
Workpiece contour detection device Download PDFInfo
- Publication number
- CN219714264U CN219714264U CN202320900033.6U CN202320900033U CN219714264U CN 219714264 U CN219714264 U CN 219714264U CN 202320900033 U CN202320900033 U CN 202320900033U CN 219714264 U CN219714264 U CN 219714264U
- Authority
- CN
- China
- Prior art keywords
- workpiece
- positioning
- template
- bottom plate
- detection device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000001514 detection method Methods 0.000 title claims abstract description 50
- 238000012545 processing Methods 0.000 claims description 10
- 238000013461 design Methods 0.000 description 4
- 238000003754 machining Methods 0.000 description 3
- 238000005259 measurement Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
Landscapes
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The utility model provides a workpiece contour detection device, which comprises a bottom plate and a template, wherein the template is flatly paved and fixedly installed on the bottom plate, the outline or the inner hole contour of the template is provided with a standard contour which is matched with the contour to be detected of a workpiece, the bottom plate is provided with a positioning bulge serving as a positioning reference, the positioning bulge is matched with a positioning part on the workpiece, and the workpiece is nested at one side of the standard contour of the template during detection. The utility model has simple structure and convenient operation, can ensure the contour detection precision and the assembly reliability of the machined workpiece.
Description
Technical Field
The utility model relates to a detection tool, in particular to a workpiece contour detection device, and belongs to the technical field of railway vehicle manufacturing.
Background
The reserved position after the processing of the gearbox gasket is used for exposing an oil return hole after the gearbox casing is reformed, the contour of the processed gasket needs to be ensured to meet the requirement, if the processing size of the gasket is unqualified, the oil return hole is easy to be blocked, poor lubrication of a bearing is caused, and further the quality problem of a product is caused, and the tolerance range of the size is executed according to GB/T1804m level.
Disclosure of Invention
The utility model mainly solves the technical problem of providing the workpiece contour detection device which has a simple structure, is convenient to operate, can ensure contour detection precision and ensures the assembly reliability of the machined workpiece.
In order to solve the technical problems, the utility model adopts the basic conception of the technical scheme that:
the utility model provides a work piece profile detection device, includes bottom plate and model, the model tiling fixed mounting is in on the bottom plate, the outline or the hole profile of model have with the identical standard profile of work piece outline that awaits measuring be provided with the location arch as the location benchmark on the bottom plate, the location arch with the location portion on the work piece cooperatees, the work piece nestification is in during the detection one side of model standard profile.
Further, the positioning bulge is a cylindrical positioning column, and the outer diameter of the positioning column is matched with the inner diameter of an assembly hole serving as a positioning part on the workpiece; or the positioning protrusion is provided with a positioning plane, a positioning convex surface or a positioning groove matched with the workpiece positioning part.
Further, a first mounting hole is formed in the bottom plate, the positioning protrusion is provided with a mounting column, and the mounting column is mounted in the first mounting hole in an interference fit manner; or the mounting column is fixed in the first mounting hole in a threaded connection mode.
Further, a plurality of first mounting holes which are arranged according to an array are formed in the bottom plate, and the positioning protrusions are selectively mounted in different first mounting holes according to the positions of the workpiece positioning portions.
Further, a plurality of groups of second mounting holes are correspondingly formed in the sample plate and the bottom plate, and the sample plate and the bottom plate are fixedly connected through rivets; or the sample plate and the bottom plate are fixedly connected through screws.
Further, a plurality of second mounting holes which are arranged according to an array are formed in the bottom plate and/or the template.
Further, the bottom plate and the sample plate are both of flat plate structures.
Further, the thickness of the bottom plate and the sample plate is 2-5mm respectively.
Further, the base plate and the sample plate are both formed by processing ABS materials.
Further, the workpiece is a gear box gasket, a part of the outer contour of the template is provided with a standard contour which is matched with the contour to be detected of an inner hole of the gear box gasket, and the positioning part is an assembly hole on the gear box gasket.
In summary, compared with the prior art, the workpiece contour detection device provided by the utility model has the following beneficial effects:
(1) The detection device is characterized in that the template is flatly arranged on the bottom plate, when the profile of a workpiece with a complex profile is detected, the workpiece to be detected is directly paved on the bottom plate and is nested on the outer side of the template or the inner side of an inner hole of the template, and whether the profile to be detected of the workpiece meets the design processing requirement can be judged according to whether the workpiece can be smoothly nested on the template or not and whether the gap between the profile to be detected and the standard profile of the template is uniform or not. The detection device has a simple structure, can ensure qualitative measurement of the contour of the workpiece in a simple mode, is convenient and quick to operate, has high reliability, short detection time and high detection efficiency, and can ensure the reliability of workpiece assembly after processing.
(2) The detection device is particularly suitable for qualitatively detecting the outline of a sheet-shaped workpiece with a complex outline, such as a gearbox gasket, and solves the problems that the outline size of the gearbox gasket cannot be measured, the tangential point position is not easy to grasp through three coordinates and the like of the conventional detection tool, such as a vernier caliper, a micrometer and the like.
The following describes the embodiments of the present utility model in further detail with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. It is evident that the drawings in the following description are only examples, from which other drawings can be obtained by a person skilled in the art without the inventive effort.
In the drawings:
FIG. 1 is a perspective view of the structure of the detecting device of the present utility model;
FIG. 2 is a front view of the structure of the detecting unit of the present utility model;
FIG. 3 is a side view of FIG. 2;
fig. 4 is a schematic view of the structure of the gear case spacer of the present utility model.
As shown in fig. 1 to 4: the gear box gasket 1, the assembly hole 2, the inner ring profile 3, the bottom plate 4, the template 5, the positioning boss 6 and the rivet 7.
It should be noted that the drawings and the written description are not intended to limit the scope of the inventive concept in any way, but to illustrate the inventive concept to those skilled in the art by referring to the specific embodiments.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions in the embodiments will be clearly and completely described with reference to the accompanying drawings in the embodiments of the present utility model, and the following embodiments are used to illustrate the present utility model, but are not intended to limit the scope of the present utility model.
In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
Example 1
As shown in fig. 1 to 3, the present utility model provides a workpiece profile detecting apparatus for detecting a sheet-like workpiece such as a gearbox pad, and also for detecting a workpiece having a complex profile on the surface.
The contour detection device comprises a bottom plate 4 and a template 5, in this embodiment, the bottom plate 4 and the template 5 both adopt a flat plate-shaped structure, a positioning protrusion 6 serving as a positioning reference is arranged on the bottom plate 4, and the positioning protrusion 6 is matched with a positioning part on a workpiece. According to the shape of the workpiece to be detected, the outer contour of the template 5 or the inner hole contour of the template 5 is processed to be provided with a standard contour which is matched with the contour to be detected of the workpiece, and during detection, the template 5 is flatly paved and fixedly installed on the bottom plate 4, and the workpiece is nested at one side of the standard contour of the template 5. Whether the workpiece is a sheet-shaped workpiece such as the gearbox gasket 1 or a workpiece with a complex contour on the surface, the workpiece can be tiled on the bottom plate 4 during detection, and whether the contour to be detected of the workpiece meets the design processing requirement can be judged according to whether the workpiece can be smoothly nested on the template 5 or not and whether the clearance between the contour to be detected and the standard contour of the template 5 is uniform or not.
As shown in fig. 4, the present embodiment is described taking a detection gear box gasket as an example, the gear box gasket 1 has a semi-closed structure, a plurality of assembly holes 2 for passing through fixing bolts are formed in the semi-closed structure, and an inner ring profile 3 of the gear box gasket 1 has a special shape after processing and needs to be detected.
Since the inner ring profile 3 of the gear box gasket 1 is to be detected, in this embodiment, the outer contour of the template 5 is processed to have a standard contour matching the inner ring profile 3 to be detected of the gear box gasket 1, and the gear box gasket 1 is nested outside the standard contour of the template 5 during detection. The standard contour of the template 5 is designed with sufficient consideration for the tolerance zone of the workpiece machining.
The structure of the positioning boss 6 is designed according to the structure of the positioning part on the workpiece, in this embodiment, one of the assembly holes 2 is used as the positioning part for the gear box gasket 1, the corresponding positioning boss 6 adopts a cylindrical positioning column structure, the outer diameter of the positioning column is matched with the inner diameter of the assembly hole 2, and the positioning column is mounted on the bottom plate 4 positioned outside the template 5. During detection, one of the assembly holes 2 serving as a positioning part is sleeved on the positioning column, so that the positioning between the gearbox gasket 1 and the template 5 can be positioned.
Of course, for other types of workpieces, an assembly protrusion or an assembly groove (not shown in the figure) protruding or recessed from the edge of the workpiece on the edge of the workpiece may be selected as the positioning portion, the edge of the workpiece may also be directly selected as the positioning portion, and a positioning groove, a positioning convex surface, a positioning plane and the like which are matched with the workpiece positioning portion are formed on the side, facing the workpiece, of the positioning protrusion 6. If the edge of the workpiece is provided with an assembly bulge protruding to the outer side of the edge, a positioning groove is correspondingly arranged on the positioning bulge 6, and when the workpiece is detected, the assembly bulge on the workpiece is nested in the positioning groove of the positioning bulge 6, so that the positioning can be realized; alternatively, the positioning projection 6 is provided with a positioning plane, and the edge of the workpiece is abutted against the positioning plane during detection.
For the convenience of installing the reference column, in this embodiment, a first mounting hole (not shown in the figure) is provided on the bottom plate 4, the bottom of the reference column extends out of a section of mounting column, the diameters of the first mounting hole and the mounting column are smaller than the main body diameter of the reference column, and the mounting column is installed in the first mounting hole in an interference fit manner. The mounting post or the positioning post can be further fixed in the first mounting hole in a threaded connection mode. Of course, one end of the positioning column can be directly inserted into the first mounting hole as the mounting column, and the diameter of the first mounting hole is matched with the diameter of the positioning column.
In order to improve the universality of the detection device, in this embodiment, it is further preferable that a plurality of first mounting holes arranged in an array are provided on the bottom plate 4, and the positioning protrusions 6 are selectively mounted in different first mounting holes according to the positions of different workpiece positioning portions.
The template 5 and the bottom plate 4 are correspondingly provided with a plurality of groups of second mounting holes (not shown in the figure), in this embodiment, preferably, the template 5 and the bottom plate 4 are correspondingly provided with four groups of second mounting holes, and the template 5 and the bottom plate 4 are firmly and fixedly connected together through four rivets 7. Of course, the template 5 and the bottom plate 4 are fixedly connected through screws.
In order to improve the versatility of the detection device, it is further preferable in this embodiment that a plurality of second mounting holes arranged in an array are respectively provided on the base plate 4 and/or the template 5. The second mounting holes are selected according to the shape and size of the different templates 5 to fixedly connect the templates 5 and the base plate 4 together.
As shown in fig. 1, 2 and 4, in this embodiment, the bottom plate 4 is preferably a square flat plate structure, the area of the bottom plate 4 is larger than that of the template 5, and since the gearbox gasket 1 is a semi-closed structure, the complex contour to be detected is concentrated on the right half side of the inner ring of the gasket, and the standard contour processed on the template 5 is correspondingly concentrated on the right half side of the template 5, the template 5 is also processed into a structure with a right angle and two right angle edges, and the template 5 and the bottom plate 4 have overlapped right angle and right angle edges (right angle and right angle edges of the lower left corner in the figure) after being installed, so that the auxiliary positioning and installation effects of the template 5 can be played.
In order to facilitate the finish machining of the template 5 to a standard contour and to avoid damaging the surface of the workpiece during inspection, it is preferred in this embodiment that both the template 5 and the base plate 4 are formed from ABS material. The thickness of the base plate 4 and the template 5 is 2-5mm, respectively, and more preferably, the thickness of the base plate 4 and the template 5 is the same, and an ABS plate with a thickness of 3mm is adopted.
The detection steps are as follows:
1. corresponding templates 5 and positioning columns are selected according to the structure, shape and size of the gearbox gasket 1 to be tested, and the templates 5 and the positioning columns are installed on the bottom plate 4.
2. The assembly holes 2 of the gearbox gaskets 1 are inserted into positioning columns, the positioning columns serve as positioning references for detection, meanwhile, the gearbox gaskets 1 are nested outside the sample plates 5, and standard contours on the sample plates 5 and inner ring contours 3 on the gearbox gaskets 1 are compared for qualitative detection.
The method comprises the following steps: if the gearbox shim 1 can be nested on the template 5 and the gap between the inner ring profile 3 of the gearbox shim 1 and the standard profile of the template 5 is uniform, the gearbox shim 1 is judged to be qualified.
If the gearbox pad 1 cannot be nested on the template 5 or the gap is uneven after nesting, the gearbox pad 1 is judged to be unqualified.
Embodiment two:
the first difference between the present embodiment and the embodiment is that when the contour of the workpiece to be measured is the outer contour of the workpiece, the template 2 adopts a structure with an inner hole, and the inner hole contour of the template 2 has a standard contour matching with the outer contour of the workpiece, and meets the tolerance requirement. At this time, the positioning boss 6 is mounted on the bottom plate 4 located inside the inner hole of the template 2. In this structure, the template 2 may have the same square plate structure as the bottom plate 4, and the inner hole may be formed in the template 2.
During detection, the positioning part on the workpiece is matched with the positioning bulge 6, the workpiece is nested and installed on the inner side of the inner hole of the template 5, if the workpiece can be just nested and installed on the inner side of the inner hole of the template 5, and the clearance between the outer contour of the workpiece and the contour of the standard inner hole on the template 5 is uniform, the workpiece can be judged to be qualified, otherwise, the workpiece is judged to be unqualified.
Embodiment III:
the first difference between the embodiment and the second embodiment is that the workpiece has a totally-enclosed ring structure, the contour of the inner ring of the workpiece is the contour to be measured, at this time, the outer contour of the template 5 is all processed into a standard contour according to the design standard, and the workpiece is wholly nested outside the template 5 during detection. If the workpiece can be just nested and arranged on the outer side of the template 5, and the clearance between the outer contour of the workpiece and the standard inner hole contour on the template 5 is uniform, the workpiece can be judged to be qualified, otherwise, the workpiece is judged to be unqualified.
The contour detection device has the following advantages:
(1) According to the detection device, the template 5 is flatly mounted on the bottom plate 4, when the contours of workpieces such as the gearbox gasket 1 with complex contours are detected, the workpieces to be detected are directly nested on the outer side of the template 5 or the inner side of an inner hole of the template 5, and whether the contours to be detected of the workpieces meet design processing requirements can be judged according to whether the workpieces can be smoothly nested on the template 5 or not and whether gaps between the contours to be detected and standard contours of the template 5 are uniform or not.
(2) The detection device has a simple structure, can ensure qualitative measurement of the contour of the workpiece in a simple mode, is particularly used for detecting sheet-shaped workpieces such as gearbox gaskets and the like, is used for detecting workpieces with complex contours on the surfaces, has the advantages of convenient and quick operation, high reliability, short detection time and high detection efficiency, and can ensure the reliability of workpiece assembly after processing.
(3) This detection device is to the condition that can't use measuring tool commonly used to carry out accurate detection size, and the accessible is qualitative to be detected, guarantees the machining dimension of work piece profile, has solved current measuring tool, like slide caliper, micrometer etc. can't measure the profile dimension of work piece such as gear box gasket to and also be difficult for snatching tangential point position scheduling problem through the three-dimensional.
The foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited to the above-mentioned embodiment, but is not limited to the above-mentioned embodiment, and any simple modification, equivalent change and modification made by the technical matter of the present utility model can be further combined or replaced by equivalent embodiments within the scope of the technical proposal of the present utility model without departing from the scope of the technical proposal of the present utility model.
Claims (10)
1. The utility model provides a work piece profile detection device which characterized in that: the automatic positioning device comprises a bottom plate and a template, wherein the template is tiled and fixedly installed on the bottom plate, the outline or the inner hole outline of the template is provided with a standard outline matched with the outline to be detected of a workpiece, the bottom plate is provided with a positioning bulge serving as a positioning reference, the positioning bulge is matched with a positioning part on the workpiece, and the workpiece is nested on one side of the standard outline of the template during detection.
2. The workpiece contour detection device as defined in claim 1, wherein: the positioning bulge is a cylindrical positioning column, and the outer diameter of the positioning column is matched with the inner diameter of an assembly hole serving as a positioning part on the workpiece; or the positioning protrusion is provided with a positioning plane, a positioning convex surface or a positioning groove matched with the workpiece positioning part.
3. The workpiece contour detection device as defined in claim 1, wherein: the base plate is provided with a first mounting hole, the positioning protrusion is provided with a mounting column, and the mounting column is mounted in the first mounting hole in an interference fit manner; or the mounting column is fixed in the first mounting hole in a threaded connection mode.
4. A workpiece contour detection device as defined in claim 3, wherein: the base plate is provided with a plurality of first mounting holes which are arranged according to an array, and the positioning protrusions are arranged in different first mounting holes according to the position of the workpiece positioning part.
5. The workpiece contour detection device as defined in claim 1, wherein: the template and the bottom plate are correspondingly provided with a plurality of groups of second mounting holes, and the template and the bottom plate are fixedly connected through rivets; or the sample plate and the bottom plate are fixedly connected through screws.
6. The workpiece contour detection device as defined in claim 5, wherein: and a plurality of second mounting holes which are arranged according to an array are arranged on the bottom plate and/or the sample plate.
7. The workpiece contour detection device as defined in claim 1, wherein: the bottom plate and the sample plate are both of flat plate structures.
8. The workpiece contour detection device as defined in claim 1, wherein: the thickness of the bottom plate and the sample plate is 2-5mm respectively.
9. The workpiece contour detection device as defined in claim 1, wherein: the bottom plate and the sample plate are both formed by processing an ABS material.
10. The workpiece contour detection device as defined in any one of claims 1-9, wherein: the workpiece is a gear box gasket, part of the outer contour of the template is provided with a standard contour which is matched with the contour to be measured of an inner hole of the gear box gasket, and the positioning part is an assembly hole on the gear box gasket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320900033.6U CN219714264U (en) | 2023-04-20 | 2023-04-20 | Workpiece contour detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320900033.6U CN219714264U (en) | 2023-04-20 | 2023-04-20 | Workpiece contour detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219714264U true CN219714264U (en) | 2023-09-19 |
Family
ID=87982612
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320900033.6U Active CN219714264U (en) | 2023-04-20 | 2023-04-20 | Workpiece contour detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219714264U (en) |
-
2023
- 2023-04-20 CN CN202320900033.6U patent/CN219714264U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US11040425B2 (en) | On-machine inspection indicator setup block | |
| CN219714264U (en) | Workpiece contour detection device | |
| CN202079129U (en) | Check tool for punch forming irregular parts inside automatic transmission of automobile | |
| CN114838638B (en) | Gauge and measuring method for measuring position accuracy of trimming line of stamped part | |
| CN213238757U (en) | A examine utensil for detecting thin wall stator-rotor punching plane degree | |
| US11543227B2 (en) | Machine tool inspection | |
| CN111076650B (en) | Tool for measuring symmetry of double-sided milling flat workpiece | |
| CN115265318A (en) | Arc step measuring tool and method | |
| CN211041992U (en) | Multifunctional automobile sheet metal hole site measuring tool | |
| CN210922464U (en) | Measuring clamp for distance from circle center to end face of space | |
| CN218646188U (en) | Multifunctional automobile plate spring seat gauge assembly | |
| CN217465562U (en) | Detection tool for detecting front mounting bracket of automobile battery | |
| CN219474513U (en) | Quick angle inspection gauge | |
| CN106643400A (en) | Stamping checking tool precision detection device | |
| CN213021307U (en) | Hole site gauge for automobile accessory part | |
| CN217005580U (en) | Special detection tool for detecting frame cross beam | |
| CN212058601U (en) | Detection tool for rapidly detecting external contour between two holes of gearbox shell | |
| CN216283129U (en) | Dish axle braking bottom plate distance measurement of stopping examines utensil | |
| CN218673465U (en) | Concentricity detects fixing device with adjustable | |
| CN220541944U (en) | Auxiliary fixture for detecting size of installation hole of airplane sliding rail | |
| CN112179257B (en) | Size error detection tool for inclined instrument | |
| CN204461275U (en) | The general R of two R arc transition positional precision advises combine detection measurer | |
| CN215338236U (en) | Integrated form detects frock | |
| CN218973368U (en) | Automobile interior trim part positioning column position detection mechanism | |
| CN210773776U (en) | Double-sealing joint detection clamp for automobile air conditioner |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |