CN218481028U - Surface profile tolerance checking fixture for edge of automobile engine top cover - Google Patents
Surface profile tolerance checking fixture for edge of automobile engine top cover Download PDFInfo
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- CN218481028U CN218481028U CN202222700826.1U CN202222700826U CN218481028U CN 218481028 U CN218481028 U CN 218481028U CN 202222700826 U CN202222700826 U CN 202222700826U CN 218481028 U CN218481028 U CN 218481028U
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- top cover
- automobile engine
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- top cap
- surface profile
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Abstract
The utility model discloses an utensil is examined to face profile tolerance at automobile engine top cap edge, examine the piece including setting up four profiles on examining test table, a supporting seat, a fixed base, manual clamp, the special no-go gage that leads to that the aperture detects is implemented to every connecting hole of waiting to detect the automobile engine top cap, four profiles examine the piece head-to-tail concatenation constitution and wait to detect the peripheral edge of automobile engine top cap, the upper surface of four profiles examine the piece is provided with the step face, the face profile tolerance of step face is the standard face profile tolerance of top cap peripheral edge surface, place the top cap location on this examines four profiles examine the piece on examining the utensil, pass through the gap between planning top cap and the profile examine the piece step face with the help of face profile tolerance, examine whether up to standard of the face profile tolerance of top cap, implement the detection with the help of special no-go gage that leads to, should examine a cooperation thin slice type go to rule and implement the detection to every top cap edge, utilize to pass through the no-go to insert in the connecting hole and implement the detection, single utensil once accomplishes two detection processes, fully promote its detection efficiency.
Description
Technical Field
The utility model relates to an examine a technical field of equipment, concretely relates to utensil is examined to face profile tolerance at automobile engine top cap edge.
Background
With the continuous progress of the technical level of the automobile industry, the automobile holding capacity in the market is continuously increased, and higher requirements are put forward on the safety, stability and capacity of the whole automobile. Referring to fig. 2, in order to ensure the sealing performance and the silent performance of an engine, the requirement of a joint gap between the peripheral edge of a top cover and the top end face of a casing is very low, that is, the requirement on the surface profile of the peripheral edge of the top cover is very high, because the top cover produced in batch needs to ensure the precision of the surface profile, the detection of three coordinates adopted in the prior art can meet the requirement on the detection precision, but the detection efficiency is very low, and because the top cover needs to be connected with a casing screw, the aperture size of each connecting hole needs to be detected, so that a manufacturer needs to design a detection device capable of quickly detecting whether the surface profile of the edge of the top cover meets the standard or not, and detect whether the aperture size of each connecting hole meets the standard or not together, and a single detection tool completes two detection processes once to improve the detection efficiency.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the purpose: in view of the detection equipment which needs to quickly detect whether the surface profile of the edge of the top cover reaches the standard in the background art so as to improve the detection efficiency, the detection tool for the surface profile of the edge of the top cover of the automobile engine is designed.
The technical scheme adopted for realizing the technical purpose is as follows:
the utility model provides an utensil is examined to face profile tolerance at automobile engine top cap edge, examines piece, supporting seat, fixing base, manual clamp, the special go-no go gage of aperture detection is implemented to every connecting hole of waiting to detect automobile engine top cap including four profiles that set up on examining the test table.
The contour detection blocks are fixedly connected with the supporting seat, the supporting seat is positioned on the detection platform, the four contour detection blocks are spliced end to form the peripheral edge of the top cover of the automobile engine to be detected, the upper surfaces of the four contour detection blocks are provided with step surfaces, the surface profile of the step surfaces is the standard surface profile of the peripheral edge surface of the top cover, the top cover is positioned on the four contour detection blocks on the detection tool, and the top cover is detected whether to reach the standard or not by means of a slice shape through a gap between the top cover and the step surfaces of the contour detection blocks,
each connecting hole of the contour checking block, which is opposite to the peripheral edge of the top cover, is provided with a blind hole,
the manual clamp is fixed on the detection platform through the fixing base, and according to the height of the pressing arm of the height adjustment manual clamp of different profile detection blocks, the pressing arm front end of the manual clamp is provided with a position-adjustable pressing rod, the pressing rod is just pressing the upper surface of the profile detection block, and the connecting hole that the top cover is provided with aligns with the blind hole, and is detected the connecting hole with the help of a special go-no go gauge.
Furthermore, a gasket is arranged inside the blind hole to prevent the general gauge of the special general gauge from impacting the contour detection block to cause damage to the general gauge.
Furthermore, the aperture size of the blind hole is larger than that of the connecting hole, so that the detection space of the special go-no go gauge is completely avoided.
Furthermore, the contour detection block is provided with a transition curved surface aiming at the arc-shaped curved surface of the peripheral edge of the top cover, and the surface profile degree of the transition curved surface is the standard surface profile degree of the arc-shaped curved surface of the peripheral edge of the top cover.
Furthermore, the special go-no go gauge is also provided with a calibration ruler, and the calibration ruler is provided with a connecting hole with the maximum aperture size and the minimum aperture size of the standard roundness so as to calibrate the go-no go gauge precision and the no-go gauge precision of the special go-no go gauge.
The utility model has the advantages that:
this utensil is examined to face profile tolerance at automobile engine top cap edge adopts four supporting seats location four blocks of profile check blocks, and examine the upper surface of block with four blocks of profiles and splice into complete top cap edge all around, the face profile of the upper surface of profile check block is standard precision size, cooperation thin type leads to the rule to implement to detect every top cap edge all around, it is tight to press down with manual clamp, and just be provided with on every profile check block and dodge the blind hole to every connecting hole, it inserts in the connecting hole and implements the detection to utilize leading to the no-go rule, single utensil of examining once accomplishes the detection process that two needs three-coordinate continuous operation to implement, fully promote its detection efficiency.
Drawings
FIG. 1 is a left side plan view of the face profile tolerance gauge for the edge of the engine head cover of the automobile according to the embodiment;
FIG. 2 is a schematic structural view of the top cover of the present embodiment;
FIG. 3 is a right side plan view of the face profile tolerance measuring tool for the edge of the automobile engine hood according to the embodiment;
FIG. 4 is a schematic structural view of the top cover of the present embodiment after being placed on the inspection device;
the detection device comprises a detection table 1, a fixed seat 2, a first manual clamp 3, a special go-no-go gauge 4, a first contour detection block 5, a second manual clamp 6, a second contour detection block 7, a calibration ruler 8, a third manual clamp 9, a third contour detection block 10, a fourth manual clamp 11, a fourth contour detection block 12, a top cover 13, a first edge 14, a second edge 15, a first arc-shaped curved surface 16, a third edge 17, a connecting hole 18, a second arc-shaped curved surface 19, a third arc-shaped curved surface 20, a fourth edge 21, a blind hole 22, a first transition curved surface 23, a second transition curved surface 24, a third transition curved surface 25 and a go-no-go gauge 26.
Detailed Description
The technical solution of the present invention will be described below clearly and completely by way of examples, with reference to the accompanying drawings.
Referring to fig. 1-4, the present embodiment provides a surface profile inspection device for an edge of an automobile engine top cover, which includes a first profile inspection block 5, a second profile inspection block 7, a third profile inspection block 10, a fourth profile inspection block 12, a support seat, a fixed seat 2, a manual clamp, and a special go-no go gauge 4 for performing aperture detection on a connection hole 18 of each automobile engine top cover 13 to be detected, which are disposed on an inspection table 1.
Referring to fig. 1 and 3, the contour detection block is fixedly connected with the supporting seat, the supporting seat is positioned on the detection table 1, the four contour detection blocks are spliced end to form the peripheral edge of the top cover 13 of the automobile engine to be detected, a step surface (not shown in the figure) is arranged on the upper surface of each contour detection block, the surface contour degree of each step surface is the standard surface contour degree of the peripheral edge surface of the top cover 13, the top cover 13 is positioned on the four contour detection blocks on the detection tool, a gap between the top cover 13 and the step surface of each contour detection block is marked through a stop gauge 26 by means of the surface contour degree, and whether the surface contour degree of the top cover 13 reaches the standard is detected.
Referring to fig. 3, each connecting hole 18 of the contour checking block, which is opposite to the peripheral edge of the top cover 13, is provided with a blind hole 22.
Referring to fig. 3, the manual clamp is fixed on the detection table 1 through the fixing seat 2, the height of a pressing arm of the manual clamp is adjusted according to the heights of different contour detection blocks, a pressing rod with an adjustable position is arranged at the front end of the pressing arm of the manual clamp, the pressing rod presses the upper surface of the contour detection block, a connecting hole 18 formed in the top cover 13 is aligned with the blind hole 22, and the connecting hole 18 is detected by the aid of the special go-no go gauge 4.
In a further embodiment, the blind hole 22 is internally provided with a gasket (not shown in the figures) to prevent the drift gauge of the special drift-stop gauge 4 from striking the contour checking block and damaging the drift gauge.
In a further embodiment, the aperture size of the blind hole 22 is larger than that of the connecting hole 18, so as to completely avoid the detection space of the special go-no-go gauge 4.
In a further embodiment, the contour checking block is provided with transition curved surfaces for the arc curved surfaces at the peripheral edge of the top cover 13, wherein the arc curved surfaces include a first arc curved surface 16 arranged at the second edge 15, a second arc curved surface 19 arranged at the third edge 17, and a third arc curved surface 20 arranged at the fourth edge 21, and include a first transition curved surface 23, a second transition curved surface 24, and a third transition curved surface 25, and the surface profile degree of the transition curved surfaces is the standard surface profile degree of the arc curved surfaces at the peripheral edge of the top cover 13.
In a further embodiment, the special go-no-go gauge 4 is further provided with a calibration ruler 8, and the calibration ruler 8 is provided with a connecting hole 18 with the maximum aperture size and the minimum aperture size of the standard roundness so as to calibrate the go-no-go gauge precision and the no-go gauge precision of the special go-no-go gauge 4.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes, modifications, substitutions and alterations can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art, and the scope of the present invention is defined by the appended claims and their equivalents.
Claims (5)
1. The utility model provides an utensil is examined to face profile tolerance at automobile engine top cap edge, examines piece, supporting seat, fixing base, manual clamp, to the special go-no go gage that the aperture detected is implemented to every connecting hole of waiting to detect automobile engine top cap, its characterized in that including four profiles of setting on examining test table:
the contour detection blocks are fixedly connected with the supporting seat, the supporting seat is positioned on the detection platform, the four contour detection blocks are spliced end to form the peripheral edge of the top cover of the automobile engine to be detected, the upper surfaces of the four contour detection blocks are provided with step surfaces, the surface profile of the step surfaces is the standard surface profile of the peripheral edge surface of the top cover, the top cover is positioned on the four contour detection blocks on the detection tool, the gap between the top cover and the step surfaces of the contour detection blocks is planned by means of the surface profile, and whether the surface profile of the top cover reaches the standard or not is detected,
each connecting hole of the contour checking block, which is opposite to the peripheral edge of the top cover, is provided with a blind hole,
the manual clamp is fixed on the detection platform through the fixing base, and according to the height of the pressing arm of the height adjustment manual clamp of different profile detection blocks, the pressing arm front end of the manual clamp is provided with a position-adjustable pressing rod, the pressing rod is just pressing the upper surface of the profile detection block, and the connecting hole that the top cover is provided with aligns with the blind hole, and is detected the connecting hole with the help of a special go-no go gauge.
2. The automobile engine roof edge surface profile inspection device according to claim 1, characterized in that: and a gasket is arranged in the blind hole.
3. The automobile engine roof edge surface profile inspection device according to claim 2, characterized in that: the aperture size of the blind hole is larger than that of the connecting hole.
4. The automobile engine roof edge surface profile inspection device according to claim 1, characterized in that: the contour detection block is provided with a transition curved surface aiming at the arc curved surfaces at the edges of the periphery of the top cover, and the surface profile degree of the transition curved surface is the standard surface profile degree of the arc curved surfaces at the edges of the periphery of the top cover.
5. The automobile engine roof edge surface profile inspection device according to claim 1, characterized in that: the special go-no go gauge is further provided with a calibration ruler, and the calibration ruler is provided with a connecting hole with the maximum aperture size and the minimum aperture size of standard roundness.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222700826.1U CN218481028U (en) | 2022-10-14 | 2022-10-14 | Surface profile tolerance checking fixture for edge of automobile engine top cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222700826.1U CN218481028U (en) | 2022-10-14 | 2022-10-14 | Surface profile tolerance checking fixture for edge of automobile engine top cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218481028U true CN218481028U (en) | 2023-02-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222700826.1U Active CN218481028U (en) | 2022-10-14 | 2022-10-14 | Surface profile tolerance checking fixture for edge of automobile engine top cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218481028U (en) |
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2022
- 2022-10-14 CN CN202222700826.1U patent/CN218481028U/en active Active
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