Comprehensive position testing fixture for part detection
By designing a comprehensive position inspection tool for part detection, using touch gauge, second detection pin, dial table, and coaxial metric gauges for inspection, the problem of slow detection speed of the three-coordinate measurement method is solved, and fast and accurate parts inspection is achieved to prevent mass scrapping.
Patent Information
- Application Number
- CN202422044830.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-22
- Publication Date
- 2025-05-27
- Estimated Expiration
- 2034-08-22
AI Technical Summary
The existing three-coordinate measurement methods have large number of inspections and slow speeds, resulting in untimely inspection results, which may cause the problem of mass products being scrapped.
A comprehensive position detection tool for part detection is designed, including a support clamping mechanism, a surface position detection component, a surface parallelism detection component and a coaxial detection component, which are respectively detected through a touch gauge, a second detection pin, a dial meter, and a coaxial gauges.
It realizes fast and accurate parts inspection, can replace the three coordinates for dimension confirmation, and quickly screen suspicious items to prevent mass scrapping.
Smart Images

Figure CN222912576U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of inspection tools, in particular to a comprehensive position inspection tool for part inspection. Background Art
[0002] The general methods for measuring the surface position, parallelism and coaxiality of parts are to use a coordinate measuring machine. The measurement data of the coordinate measuring machine is relatively intuitive and accurate. However, the number of inspections during the normal process of the coordinate measuring machine is large and the speed is slow, and there is a disadvantage that the inspection results are not timely. If the first piece is unqualified and the measurement results are not timely, it will cause the scrapping of batch products. Therefore, this application proposes a comprehensive position inspection tool for part inspection, which can quickly detect and prevent the generation of batch scrapping. Content of the Utility Model
[0003] In view of the above defects or deficiencies in the prior art, it is desirable to provide a comprehensive position inspection tool for part inspection.
[0004] A comprehensive position inspection tool for part inspection provided by the utility model includes a support and clamping mechanism, a surface position detection component, a surface parallelism detection component and a coaxiality detection component; wherein,
[0005] The support and clamping mechanism includes a support inclined plate and a cover plate. Between the support inclined plate and the cover plate, there are support columns, a positioning component and a quick clamp component, which are used to place the part to be measured between the support inclined plate and the cover plate for fixation;
[0006] The surface position detection component includes a touch gauge, and the touch gauge includes a first detection pin and a measuring ring; the top surface of the measuring ring is provided with steps with a height difference, which cooperate with the first detection pin to detect the surface position of the part to be measured;
[0007] The surface parallelism detection component includes a second detection pin and a dial indicator, and the two cooperate to detect the surface parallelism of the part to be measured;
[0008] The coaxiality detection component uses a coaxiality gauge to detect the coaxiality of the threaded counterbore composite hole.
[0009] Further, the support columns are fixedly arranged on the plate surface of the support inclined plate, and the support columns are perpendicular to the plate surface of the support inclined plate for supporting the cover plate; multiple groups of the quick clamp components are arranged on the plate surface of the support inclined plate and on the circumferential outer side of the cover plate for fixing the cover plate at the top end of the support columns.
[0010] Further, a positioning sleeve is arranged on the plate surface of the support inclined plate for positioning the placement position and direction of the part to be measured.
[0011] Further, one side of the top surface of the measuring ring is set as the upper limit reference surface, and the other side is set as the lower limit reference surface; a first annular platform is fixedly arranged on the circumferential outer side of the first detection pin corresponding to the inner ring of the measuring ring, and a second annular platform is fixedly arranged on the circumferential outer side of the first annular platform corresponding to the hole position on the standard part, and the diameter of the first annular platform is set to be smaller than that of the second annular platform.
[0012] Further, a dial indicator is fixedly arranged at the top end of the second detection pin, and the measuring head of the dial indicator is fixedly arranged on the side surface of the second detection pin, and the measuring head is arranged parallel to the axis of the second detection pin.
[0013] Further, the coaxiality gauge includes a third detection pin, a counterbore is fixedly arranged at the bottom end of the third detection pin, and a threaded post is fixedly arranged on the bottom surface of the counterbore for detecting the coaxiality of the threaded counterbore composite hole.
[0014] Further, the positioning assembly includes a positioning cylinder fixedly arranged on the top surface of the support inclined plate, a positioning hole is arranged on the cover plate corresponding to the positioning cylinder, and a positioning pin is inserted through the positioning hole and into the inside of the corresponding positioning cylinder for accurately placing the cover plate on the top end of the support column.
[0015] Further, two triangular support plates are symmetrically and fixedly arranged on one side of the support inclined plate away from the cover plate for ensuring that the support inclined plate is placed at an inclination angle of 60° with respect to the horizontal plane.
[0016] Compared with the prior art, the beneficial effects of the present invention are:
[0017] The comprehensive position gauge for part detection of the present invention detects the position of the machined surface of the part to be measured through the touch gauge, realizes the detection of the surface parallelism of the part to be measured through the cooperation of the second detection pin and the dial indicator, and uses the threaded coaxiality gauge to detect the coaxiality of the threaded counterbore composite hole. All of them have the characteristics of accurate detection, simple operation and convenient detection, and can replace the coordinate measuring machine to confirm the dimensions of the part and quickly screen the parts with suspicious dimensions;
[0018] In addition, the support inclined plate in the gauge is at an angle of 60°, which conforms to human engineering and is convenient for the detection operations of various detection components; the design of the support inclined plate and the cover plate realizes the synchronous detection of the holes and surfaces on both sides of the part.
[0019] It should be understood that the content described in the utility model content part is not intended to limit the key or important features of the embodiments of the present invention, nor to limit the scope of the present invention.
[0020] Other features of the present invention will become easily understood through the following description. Brief Description of the Drawings
[0021] Other features, objects, and advantages of the present utility model will become more apparent from the following detailed description of non - restrictive embodiments read in conjunction with the accompanying drawings:
[0022] Figure 1 Schematic structural diagram of one side of a comprehensive position gauge for part detection provided by an embodiment of the present utility model;
[0023] Figure 2 Schematic structural diagram of the other side of the comprehensive position gauge for part detection;
[0024] Figure 3 Schematic structural diagram of the comprehensive position gauge (except the cover plate);
[0025] Figure 4 Schematic structural diagram of the surface position detection component, surface parallelism detection component, and coaxiality detection component;
[0026] Figure 5 Schematic structural diagram of the surface position detection component;
[0027] Figure 6 Exploded view of the surface position detection component;
[0028] Figure 7 Schematic structural diagram of the coaxiality gauge;
[0029] Figure 8 Schematic structural diagram of the surface parallelism detection component;
[0030] Reference numerals in the figures: 1, support inclined plate; 2, cover plate; 3, support column; 4, quick - clamp assembly; 5, limit column; 6, positioning sleeve; 7, detection pin positioning sleeve; 8, detection pin; 9, touch gauge; 91, first detection pin; 92, measuring ring; 93, upper limit reference surface; 94, lower limit reference surface; 95, first annular platform; 96, second annular platform; 10, second detection pin; 11, dial indicator; 12, measuring head; 13, third detection pin; 14, counterbore; 15, threaded column; 16, part to be measured; 17, triangular support plate; 18, positioning cylinder; 19, positioning pin. Detailed Embodiment
[0031] The present utility model will be further described in detail below in conjunction with the drawings and embodiments. It can be understood that the specific embodiments described herein are only used to explain the related utility model and do not limit the utility model. Additionally, it should be noted that for the sake of description, only parts related to the utility model are shown in the drawings.
[0032] It should be noted that, without conflict, the embodiments and features in the embodiments of the present utility model can be combined with each other. The following will describe the present utility model in detail with reference to the drawings and in combination with the embodiments.
[0033] Please refer to Figures 1 to 8 , an embodiment of the present utility model provides a comprehensive position gauge for part detection, including a support clamping mechanism, a surface position detection component, a surface parallelism detection component, and a coaxiality detection component; wherein,
[0034] The support clamping mechanism includes a support inclined plate 1 and a cover plate 2. Between the support inclined plate 1 and the cover plate 2, there are support columns 3, a positioning component, and a quick clamp component 4, which are used to place the part to be measured 16 between the support inclined plate 1 and the cover plate 2 for fixation;
[0035] Among them, the support columns 3 are fixedly arranged on the plate surface of the support inclined plate 1, and the support columns 3 are arranged perpendicular to the plate surface of the support inclined plate 1 for supporting the cover plate 2; the part to be measured 16 is placed on the top surface of the support inclined plate 1 inside the support columns 3; in addition, on the top surface of the support inclined plate 1, outside the circumferential direction of the cover plate 2, there are also limit columns 5, which can limit and position the cover plate 2 when it is placed on the top of the support columns 3, helping the cover plate 2 to be quickly placed on the top of the support columns 3.
[0036] Among them, on the top surface of the cover plate 2, there is a fixedly arranged handle, which is convenient for taking and placing the cover plate 2;
[0037] The positioning component includes a positioning cylinder 18 fixedly arranged on the support inclined plate 1, which cooperates with a positioning pin 19 to accurately fix the cover plate 2 on the top of the support column 3. The positioning is achieved by inserting the positioning pin 19 through the positioning hole on the cover plate 2 and inserting it into the corresponding positioning cylinder 18; among them, the positioning cylinder 18 can also play the role of supporting the cover plate 2 like the support column 3, improving the stability of the cover plate 2 after assembly.
[0038] Multiple groups of quick clamp components 4 are arranged on the plate surface of the support inclined plate 1 and outside the circumferential direction of the cover plate 2, which are used to quickly fix the cover plate 2 on the top of the support column 3; at the same time, multiple groups of quick clamp components 4 are arranged on the plate surface of the support inclined plate 1 and outside the circumferential direction of the part to be measured 16, which are used to firmly fix the part to be measured 16 on the plate surface of the support inclined plate 1.
[0039] In a preferred embodiment, a plurality of positioning sleeves 6 are provided on the plate surface of the support inclined plate 1 for positioning the placement position and direction of the part to be measured 16; in addition, corresponding mounting holes are provided on the plate surfaces of the support inclined plate 1 and the cover plate 2 corresponding to the holes on the standard part, and detection pin positioning sleeves 7 are fixedly provided on the plate surfaces of the support inclined plate 1 and the cover plate 2 corresponding to the mounting holes. The detection pin positioning sleeves 7 cooperate with the corresponding detection pins 8 to detect the part to be measured 16 from the side of the support inclined plate 1 away from the cover plate 2.
[0040] In a preferred embodiment, two triangular support plates 17 are symmetrically and fixedly provided on the side of the support inclined plate 1 away from the cover plate 2, for ensuring that the support inclined plate 1 is placed at an inclination angle of 60° with the horizontal plane, facilitating the function of detecting the part to be measured 16 from both sides of the support inclined plate 1 and improving the detection efficiency.
[0041] The surface position detection component includes a touch gauge 9, and the touch gauge 9 includes a first detection pin 91 and a measuring ring 92; a step with a height difference is provided on the top surface of the measuring ring 92, which cooperates with the first detection pin 91 for detecting the surface position of the part to be measured 16.
[0042] In a preferred embodiment, one side of the top surface of the measuring ring 92 is set as the upper limit reference surface 93, and the other side is set as the lower limit reference surface 94; a first annular platform 95 is fixedly provided on the circumferential outer side of the first detection pin 91 corresponding to the inner ring of the measuring ring 92, and a second annular platform 96 is fixedly provided on the circumferential outer side of the first annular platform 95 corresponding to the hole positions on the standard part. The diameter of the first annular platform 95 is set smaller than the diameter of the second annular platform 96.
[0043] Among them, for the touch gauge 9 to detect the surface position: fix the measuring ring 92 at the corresponding position. If the first detection pin 91 can pass through the measuring ring 92 and then smoothly pass through the part to be measured 16, and if the top end face of the first annular platform 95 of the first detection pin 91 is between the step height differences (that is, between the upper limit reference surface 93 and the lower limit reference surface 94), it indicates that the processed surface position of the part to be measured 16 is a qualified product, otherwise it is an unqualified product.
[0044] The surface parallelism detection component includes a second detection pin 10 and a dial indicator 11, and the two cooperate to detect the surface parallelism of the part to be measured 16.
[0045] In a preferred embodiment, a dial indicator 11 is fixedly provided at the top end of the second detection pin 10, and the measuring head 12 of the dial indicator 11 is fixedly provided on the side surface of the second detection pin 10, and the measuring head 12 is arranged parallel to the axis of the second detection pin 10.
[0046] Among them, a dial indicator 11 is added to the top of the second detection pin 10. The second detection pin 10 is inserted into the machined hole, and the measuring head 12 of the dial indicator 11 slides along the circumferential end face on the outside of the hole to detect for one week. If the position dimension of the hole end face is within the tolerance range, it is qualified; otherwise, it is unqualified.
[0047] Coaxiality detection assembly, using a coaxiality gauge to detect the coaxiality of the threaded counterbore composite hole.
[0048] In a preferred embodiment, the coaxiality gauge includes a third detection pin 13. A counterbore 14 is fixedly arranged at the bottom end of the third detection pin 13, and a threaded post 15 is fixedly arranged on the bottom surface of the counterbore 14 for detecting the coaxiality of the threaded counterbore composite hole.
[0049] Among them, for the composite hole with a counterbore at the top of the threaded hole on the part to be measured 16, a gauge with a stepped pin and a thread gauge at the top is used to detect the coaxiality of the counterbore hole and the threaded hole. If the coaxiality gauge can be screwed in smoothly to the end, it is qualified; otherwise, it is unqualified.
[0050] The support and clamping mechanism in this application is used to clamp and fix the part to be measured, and then detect it respectively through a touch gauge, a second detection pin plus a dial indicator, and a coaxiality gauge. They all have the characteristics of accurate detection, simple operation, and convenient detection, and can replace the coordinate measuring machine to confirm the dimensions of the part and quickly screen the parts with suspicious dimensions.
[0051] In the description of this specification, terms such as "connection", "installation", "fixation", etc. should all be understood in a broad sense. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be directly connected or indirectly connected through an intermediate medium. For those of ordinary skill in the art, the specific meanings of the above terms in this application can be understood according to specific situations.
[0052] In the description of this specification, the description of terms such as "one embodiment", "some embodiments", etc. means that the specific features, structures, materials, or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of this application. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described can be combined in a suitable manner in any one or more embodiments or examples.
[0053] The above is only the preferred embodiment of this application and is not used to limit this application. For those skilled in the art, this application can have various changes and modifications. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of this application shall be included in the protection scope of this application.
Claims
1. A comprehensive position gauge for parts inspection, characterized in that: It includes a supporting clamping mechanism, a surface position detection component, a surface parallelism detection component and a coaxiality detection component; wherein, The support and clamping mechanism comprises a support inclined plate and a cover plate, and a support column, a positioning assembly and a quick clamp assembly are arranged between the support inclined plate and the cover plate, and are used to place the part to be tested between the support inclined plate and the cover plate for fixing; The surface position detection assembly includes a touch gauge, and the touch gauge includes a first detection pin and a measuring ring; the top surface of the measuring ring is provided with a step with a height difference, which cooperates with the first detection pin to detect the surface position of the part to be measured; The surface parallelism detection assembly includes a second detection pin and a dial indicator, which are used to detect the surface parallelism of the part to be tested; The coaxiality detection component uses a coaxial gauge to perform coaxiality detection on the composite hole of the threaded countersunk platform.
2. The integrated position gauge for parts inspection according to claim 1, characterized in that: The support column is fixedly arranged on the plate surface of the support inclined plate, and the support column is arranged perpendicular to the plate surface of the support inclined plate, and is used to support the cover plate; the quick clamp assembly is arranged in multiple groups on the plate surface of the support inclined plate and located on the circumferential outer side of the cover plate, and is used to fix the cover plate on the top end of the support column.
3. The integrated position gauge for parts inspection according to claim 2, characterized in that: A positioning sleeve is arranged on the plate surface of the supporting inclined plate, which is used to locate the placement position and direction of the part to be measured.
4. The integrated position gauge for parts inspection according to claim 1, characterized in that: One side of the top surface of the measuring ring is set as the upper limit reference plane, and the other side is set as the lower limit reference plane; a first annular platform is fixedly provided on the circumferential outer side of the first detection pin corresponding to the inner ring of the measuring ring, and a second annular platform is fixedly provided on the circumferential outer side of the first annular platform corresponding to the hole position on the standard part, and the diameter of the first annular platform is set smaller than the diameter of the second annular platform.
5. The integrated position gauge for parts inspection according to claim 1, characterized in that: A dial indicator is fixedly arranged on the top end of the second detection pin, and a measuring head of the dial indicator is fixedly arranged on the side surface of the second detection pin, and the measuring head is arranged parallel to the axis of the second detection pin.
6. The integrated position gauge for parts inspection according to claim 1, characterized in that: The coaxial gauge comprises a third detection pin, a sinker is fixedly provided at the bottom end of the third detection pin, and a threaded column is fixedly provided on the bottom surface of the sinker for coaxial detection of the composite hole of the threaded sinker.
7. The integrated position gauge for parts inspection according to claim 1, characterized in that: The positioning assembly includes a positioning cylinder fixedly arranged on the top surface of the supporting inclined plate, a positioning hole corresponding to the positioning cylinder is arranged on the cover plate, and a positioning pin is arranged through the positioning hole and inserted into the corresponding positioning cylinder to accurately place the cover plate on the top of the supporting column.
8. The integrated position gauge for parts inspection according to claim 1, characterized in that: Two triangular support plates are symmetrically fixedly arranged on one side of the support inclined plate away from the cover plate, so as to ensure that the support inclined plate is placed at an inclination angle of 60° with the horizontal plane.