Detection tool for processing automobile exhaust pipe connector

Abstract

The utility model discloses a testing fixture for processing an automobile exhaust pipe connector, which comprises a workbench, the workbench is provided with a positioning device for positioning an exhaust pipe connector body and a detection device for detecting the exhaust pipe connector body, and the positioning device comprises a positioning seat and a quick clamp. The quick clamp is used for positioning a first annular conical surface of the skirt edge part, a third annular conical surface for positioning a second annular conical surface of the skirt edge part is arranged at the upper end of the positioning seat, and a width detection block for detecting the width of the notch is further arranged at the upper end of the positioning seat; the detection device comprises a reference block arranged right above the positioning seat and a stop-go block used for detecting the plane position degree of the upper end face of the circular ring part. Accurate positioning of the exhaust pipe connector body is achieved through the positioning device. The plane position degree of the upper end face of the circular ring part of the exhaust pipe connector body and the curved surface profile degree of the first annular conical surface are rapidly detected through the detection device. The device is low in cost, convenient to position and detect, high in detection efficiency and high in accuracy.

Description

Technical Field

[0001] The utility model relates to the technical field of a checking tool, in particular to a checking tool for processing a connector of an automobile exhaust pipe. Background Art

[0002] Automobile exhaust pipe connector is a common automobile part, such as Figure 6 and Figure 7 As shown, it is an axial side view of a vehicle exhaust pipe connector in the prior art from different perspectives, wherein the vehicle exhaust pipe connector comprises an exhaust pipe connector body 100, a circular ring portion 101 arranged at the upper end of the exhaust pipe connector body 100, a deflected mouth portion 102 arranged at the lower end of the exhaust pipe connector body 100, and an annular skirt portion 103 arranged at the connection between the circular ring portion 101 and the deflected mouth portion 102, wherein the upper surface of the annular skirt portion 103 is provided with a first annular conical surface 1031 having a small opening at the upper end and a large opening at the lower end, and the lower surface of the annular skirt portion 103 is provided with a second annular conical surface 1032 having a small opening at the upper end and a large opening at the lower end.

[0003] The automobile exhaust pipe connector is one of the main components of the automobile exhaust pipe. The dimensions of each part are required to be strict. It is necessary to test the processed automobile exhaust pipe connector, such as Figure 6 and Figure 7 As shown, it is necessary to detect the plane position of the upper end surface 1011 of the annular portion 101, the curved surface profile of the first annular conical surface 1031, and the width of the notch 1033 on the annular skirt portion 103. Figure 6 and Figure 7 The automobile exhaust pipe connector shown in the figure is irregular and complex in itself. Such complex products are usually measured by three-coordinate measuring, which is inefficient, complicated to operate, and cannot be operated at the processing site, but cannot meet the requirements of mass production; or a single-item test fixture of traditional measurement is used, but it is not only inconvenient to operate, but also has low detection accuracy. In particular, for the detection of the plane position of the upper end face 1011 of the annular portion 101 and the curved surface profile of the first annular cone surface 1031, it is difficult for ordinary inspection tools to detect whether the exhaust pipe connector body 100 is qualified.

[0004] There is an urgent need to design a test fixture that can quickly test the exhaust pipe connector body 100 to improve the test efficiency. Utility Model Content

[0005] The utility model aims to provide a checking fixture for processing automobile exhaust pipe connectors in view of the defects and shortcomings of the prior art, which has low cost, convenient positioning and detection operations, high detection efficiency and high detection accuracy.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A checking fixture for processing an automobile exhaust pipe connector comprises a workbench, on which a positioning device for positioning an exhaust pipe connector body and a detection device for detecting the exhaust pipe connector body are arranged, the positioning device comprises a positioning seat and a quick clamp, a groove is arranged inside the positioning seat, and the groove can accommodate the exhaust pipe connector body, the quick clamp is used to position a first annular conical surface of an annular skirt portion, a third annular conical surface is arranged at the upper end of the positioning seat for positioning a second annular conical surface of the annular skirt portion, the curved surface profile of the second annular conical surface is detected by inserting a plug gauge into the gap between the second annular conical surface and the third annular conical surface, and a width detection block for detecting the width of the notch is also arranged at the upper end of the positioning seat; the detection device comprises a reference block arranged directly above the positioning seat and a stop block for detecting the plane position of the upper end face of the annular portion, and the lower end face of the stop block is provided with a through gauge surface and a stop gauge surface for inserting into the gap between the upper end face of the annular portion and the lower end face of the reference block.

[0008] Furthermore, the quick clamp comprises a clamping claw, and the clamping claw is provided with an arc surface matching with the first annular cone surface.

[0009] Furthermore, during positioning, the width detection block is snapped into the notch of the annular skirt portion.

[0010] Furthermore, the through gauge surface and the stop gauge surface are both arranged parallel to the upper end surface of the annular portion.

[0011] Furthermore, the upper end surface of the annular portion is arranged parallel to the lower end surface of the reference block.

[0012] Furthermore, at least two quick clamps are provided and are evenly distributed around the circumference of the positioning seat.

[0013] Furthermore, the reference block is arranged directly above the positioning seat through a mounting seat, and the distance between the mounting seat and the positioning seat should allow the stop block to pass through.

[0014] Furthermore, handles are provided at both left and right ends of the workbench.

[0015] Furthermore, a brand name card is provided on the upper surface of the workbench.

[0016] Furthermore, support feet are provided at the four corners of the bottom end of the workbench, and anti-slip pads are provided at the bottom ends of the support feet.

[0017] After adopting the above structure, the beneficial effects of the utility model are as follows: the inspection tool for processing automobile exhaust pipe connector described in the utility model includes a workbench, on which a positioning device for positioning the exhaust pipe connector body and a detection device for detecting the exhaust pipe connector body are arranged, and the positioning device is used to realize rapid and accurate positioning of the exhaust pipe connector body; the detection device is used to quickly detect the plane position of the upper end face of the annular part of the exhaust pipe connector and the curved surface profile of the first annular conical surface. When positioning, the notch of the annular skirt part is clamped on the width detection block for detecting the width of the notch on the positioning seat, and the width detection block can be clamped in the notch of the annular skirt part, then the notch width is qualified, and then the second annular conical surface of the annular skirt part is tightly attached to the third annular conical surface at the upper end of the positioning seat, and the quick clamp is pressed so that the arc surface of the clamping claw is pressed tightly against the first annular conical surface, thereby completing the positioning and locking of the exhaust pipe connector. When testing, hold the stop block and insert it into the gap between the upper end face of the circular ring and the lower end face of the reference block several times along the circumferential direction. If the through gauge surface can pass through and the no-gauge surface cannot pass through, the plane position test of the upper end face of the circular ring of the exhaust pipe connector body is qualified. If the through gauge surface cannot pass through or the no-gauge surface can pass through, the plane position test of the upper end face of the circular ring of the exhaust pipe connector body is unqualified. When testing, you can also hold the reference block and insert it into the gap between the upper end face of the circular ring and the lower end face of the reference block, then move the reference block along the circumferential direction of the upper end face of the circular ring, and always keep the through gauge surface of the stop block passing and the no-gauge surface unable to pass. If the stop block can smoothly pass through the gap between the upper end face of the annular portion and the lower end face of the reference block along the circumferential direction, the plane position detection of the upper end face of the annular portion of the exhaust pipe connector body is qualified; then a plug gauge with a thickness of 0.5mm is inserted into the gap between the second annular cone surface and the third annular cone surface. If the plug gauge cannot be inserted into the gap between the second annular cone surface and the third annular cone surface, the curved surface profile detection of the first annular cone surface of the exhaust pipe connector body is qualified; if the plug gauge can be inserted into the gap between the second annular cone surface and the third annular cone surface, the curved surface profile detection of the first annular cone surface of the exhaust pipe connector body is unqualified. It has low cost, convenient positioning and detection operations, high detection efficiency and high detection accuracy. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the specific implementation methods of the present utility model, the drawings required for use in the description of the specific implementation methods will be briefly introduced below. Obviously, the drawings in the following description are some implementation methods of the present utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0020] Figure 2 It is a three-dimensional schematic diagram of the positioning seat of the utility model;

[0021] Figure 3 It is a three-dimensional schematic diagram of the stop block of the utility model;

[0022] Figure 4 It is a three-dimensional schematic diagram of the quick clamp of the utility model;

[0023] Figure 5 It is a three-dimensional schematic diagram of the pressing claw of the utility model;

[0024] Figure 6 It is a three-dimensional schematic diagram of the exhaust pipe connector body of the utility model;

[0025] Figure 7 It is a three-dimensional schematic diagram of the exhaust pipe connector body of the utility model;

[0026] Figures 1 to 7 The bid number is:

[0027] 1. Workbench; 11. Handle; 12. Brand card; 13. Support foot; 131. Anti-skid pad; 2. Positioning device; 21. Positioning seat; 211. Groove; 212. Third annular cone; 213. Width detection block; 22. Quick clamp; 221. Clamping claw; 2211. Arc surface; 3. Detection device; 31. Reference block; 311. Mounting seat; 32. Stop block; 321. Through gauge surface; 322. Stop gauge surface; 100. Exhaust pipe connector body; 101. Circular ring portion; 1011. Upper end surface; 102. Deflected mouth portion; 103. Annular skirt portion; 1031. First annular cone; 1032. Second annular cone; 1033. Notch. DETAILED DESCRIPTION

[0028] In order to make the above-mentioned purposes, features and advantages of the utility model more obvious and easy to understand, the specific implementation methods of the utility model are described in detail below in conjunction with the accompanying drawings. In the following description, many specific details are set forth to facilitate a full understanding of the utility model. However, the utility model can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without violating the connotation of the utility model, so the utility model is not limited by the specific embodiments disclosed below.

[0029] In the description of the present invention, it should be understood that if the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. appear, the orientation or position relationship indicated by these terms is based on the orientation or position relationship shown in the accompanying drawings, which is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0030] In addition, if the terms "first" or "second" appear, these terms are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" or "second" may explicitly or implicitly include at least one of the features. In the description of the present utility model, if the term "plurality" appears, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0031] In the present invention, unless otherwise clearly defined and limited, if the terms "installed", "connected", "connected", "fixed" and the like appear, these terms should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integrated connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to the specific circumstances.

[0032] In the present utility model, unless otherwise clearly specified and limited, if there is a description that a first feature is "above" or "below" a second feature, etc., or similar descriptions appear, it may mean that the first and second features are in direct contact, or that the first and second features are in indirect contact through an intermediate medium. Moreover, the first feature being "above", "above" and "above" the second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. The first feature being "below", "below" and "below" the second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0033] It should be noted that if an element is referred to as being "fixed to" or "disposed on" another element, it may be directly on the other element or there may be a central element. If an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. If any, the terms "vertical", "horizontal", "upper", "lower", "left", "right" and similar expressions used in this utility model are only for illustrative purposes and do not represent the only implementation method.

[0034] It should be noted that, in the absence of conflict, the embodiments and features of the embodiments of the present invention can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0035] like Figures 1 to 7 As shown, a checking fixture for processing an automobile exhaust pipe connector comprises a workbench 1, on which a positioning device 2 for positioning an exhaust pipe connector body 100 and a detection device 3 for detecting the exhaust pipe connector body 100 are arranged, wherein the positioning device 2 comprises a positioning seat 21 and a quick clamp 22, wherein a groove 211 is arranged inside the positioning seat 21, and the groove 211 can accommodate the exhaust pipe connector body 100, wherein the quick clamp 22 is used to position a first annular conical surface 1031 of a skirt portion, and a third annular conical surface 212 is arranged at the upper end of the positioning seat 21 for positioning a second annular conical surface 1032 of the skirt portion , the detection of the curved surface profile of the second annular conical surface 1032 is realized by inserting a plug gauge between the second annular conical surface 1032 and the third annular conical surface 212, and a width detection block 213 for detecting the width of the notch 1033 is also provided at the upper end of the positioning seat 21; the detection device 3 includes a reference block 31 arranged directly above the positioning seat 21 and a stop block 32 for detecting the plane position of the upper end surface 1011 of the annular portion 101, and the lower end surface of the stop block 32 is provided with a through gauge surface 321 and a stop gauge surface 322 for inserting into the gap between the upper end surface 1011 of the annular portion 101 and the lower end surface of the reference block 31. During positioning, the width detection block 213 is clamped in the notch 1033 of the annular skirt portion 103.

[0036] Based on the above embodiments, the utility model aims to solve the problem of providing a gauge for processing an automobile exhaust pipe connector, comprising a workbench 1, on which a positioning device 2 for positioning an exhaust pipe connector body 100 and a detection device 3 for detecting the exhaust pipe connector body 100 are provided. The positioning device 2 is used to quickly and accurately position the exhaust pipe connector body 100; the detection device 3 is used to quickly detect the plane position of the upper end face 1011 of the exhaust pipe connector annular portion 101 and the curved surface contour of the first annular cone surface 1031. During positioning, the notch 1033 of the annular skirt portion 103 is clamped onto the width detection block 213 on the positioning seat 21 for detecting the width of the notch 1033. The width detection block 213 can be clamped into the notch 1033 of the annular skirt portion 103, and the width of the notch 1033 is qualified. Then, the second annular conical surface 1032 of the annular skirt portion 103 is tightly attached to the third annular conical surface 212 at the upper end of the positioning seat 21, and the quick clamp 22 is pressed so that the arc surface 2211 of the clamping claw 221 is pressed tightly against the first annular conical surface 1031, thereby completing the positioning and locking of the exhaust pipe connector body 100. During the inspection, the handheld stop block 32 is inserted into the gap between the upper end face 1011 of the annular portion 101 and the lower end face of the reference block 31 multiple times along the circumferential direction. If the through gauge surface 321 can pass and the stop gauge surface 322 cannot pass, the plane position detection of the upper end face 1011 of the annular portion 101 of the exhaust pipe connector body 100 is qualified. If the through gauge surface 321 cannot pass or the stop gauge surface 322 can pass, the plane position detection of the upper end face 1011 of the annular portion 101 of the exhaust pipe connector body 100 is unqualified. During the inspection, the reference block 31 can also be held and inserted into the gap between the upper end face 1011 of the annular portion 101 and the lower end face of the reference block 31, and the reference block 31 is moved circumferentially along the upper end face 1011 of the annular portion 101, and the through gauge surface 321 of the stop block 32 is always kept through. If the stop gauge surface 322 cannot pass through, and the stop block 32 can smoothly pass through the gap between the upper end surface 1011 of the annular portion 101 and the lower end surface of the reference block 31 along the circumferential direction, the plane position detection of the upper end surface 1011 of the annular portion 101 of the exhaust pipe connector body 100 is qualified; then a plug gauge with a thickness of 0.5 mm is inserted into the gap between the second annular cone surface 1032 and the third annular cone surface 212. If the plug gauge cannot be inserted into the gap between the second annular cone surface 1032 and the third annular cone surface 212, the curved surface profile detection of the first annular cone surface 1031 of the exhaust pipe connector body 100 is qualified; if the plug gauge can be inserted into the gap between the second annular cone surface 1032 and the third annular cone surface 212, the curved surface profile detection of the first annular cone surface 1031 of the exhaust pipe connector is unqualified. It has low cost, convenient positioning and detection operations, high detection efficiency and high detection accuracy.

[0037] As another preferred embodiment of the present invention, at least two quick clamps 22 are provided and are evenly distributed around the circumference of the positioning seat 21. The quick clamps 22 include a clamping claw 221, and the clamping claw 221 is provided with an arc surface 2211 that matches the first annular conical surface 1031. In this embodiment, Figure 1 , Figure 4 , Figure 5 As shown, the exhaust pipe connector body 100 is positioned and locked by a quick clamp 22, and the clamping claw 221 is provided with an arc surface 2211 that cooperates with the first annular cone surface 1031. The design of the arc surface 2211 allows the clamping claw 221 to fit more closely to the first annular cone surface 1031, thereby achieving precise positioning.

[0038] As another preferred embodiment of the present invention, the reference block 31 is arranged directly above the positioning seat 21 through the mounting seat 311, and the distance between the mounting seat 311 and the positioning seat 21 should allow the stop block 32 to pass through. The through gauge surface 321 and the stop gauge surface 322 are both arranged parallel to the upper end surface 1011 of the annular portion 101. The upper end surface 1011 of the annular portion 101 is arranged parallel to the lower end surface of the reference block 31. In this embodiment, as Figure 1 , Figure 3 As shown, the reference block 31 is arranged directly above the positioning seat 21 through the mounting seat 311, and the through gauge surface 321 and the stop gauge surface 322 are both arranged parallel to the upper end surface 1011 of the annular portion 101. The upper end surface 1011 of the annular portion 101 is arranged parallel to the lower end surface of the reference block 31. The design of this structure makes the inspection tool more accurate, and can quickly and accurately detect whether the plane position of the upper end surface 1011 of the annular portion 101 of the exhaust pipe connector body 100 is qualified. The distance between the mounting seat 311 and the positioning seat 21 should allow the stop block 32 to pass through. The design of this structure is to avoid interference between the stop block 32 and the mounting seat 311 when the stop block 32 moves circumferentially along the upper end surface 1011 of the annular portion 101.

[0039] As another preferred embodiment of the present invention, handles 11 are provided at both ends of the workbench 1. Figure 1 As shown, the arrangement of the handle 11 facilitates the transportation of the gauge.

[0040] As another preferred embodiment of the present invention, a brand name card 12 is provided on the upper surface of the workbench 1. Figure 1 As shown, the provision of the brand name card 12 facilitates the user to quickly identify the gauge and avoids using errors.

[0041] As another preferred embodiment of the present invention, support feet 13 are provided at the four corners of the bottom of the workbench 1, and anti-slip pads 131 are provided at the bottom ends of the support feet 13. Figure 1 As shown, the design of the structure makes the gauge more stable when in use and the measurement more accurate.

[0042] Obviously, the above embodiments are merely examples for the purpose of clear explanation, and are not intended to limit the implementation methods. For those skilled in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all the implementation methods here. The obvious changes or modifications derived therefrom are still within the scope of protection of the present utility model.

Claims

1. A checking fixture for processing an automobile exhaust pipe connector, comprising a workbench (1), characterized in that: The workbench (1) is provided with a positioning device (2) for positioning the exhaust pipe connector body (100) and a detection device (3) for detecting the exhaust pipe connector body (100), the positioning device (2) comprising a positioning seat (21) and a quick clamp (22), the positioning seat (21) having a groove (211) therein, and the groove (211) being capable of accommodating the exhaust pipe connector body (100), the quick clamp (22) being used for positioning a first annular conical surface (1031) of the annular skirt portion (103), the upper end of the positioning seat (21) being provided with a third annular conical surface (212) for positioning a second annular conical surface (1032) of the annular skirt portion (103), A plug gauge is inserted into the gap between the second annular conical surface (1032) and the third annular conical surface (212) to detect the curved surface profile of the second annular conical surface (1032); a width detection block (213) for detecting the width of the notch (1033) is also provided at the upper end of the positioning seat (21); the detection device (3) comprises a reference block (31) arranged directly above the positioning seat (21) and a stop block (32) for detecting the plane position of the upper end surface (1011) of the annular portion (101); a plug gauge surface (321) and a stop gauge surface (322) for inserting into the gap between the upper end surface (1011) of the annular portion (101) and the lower end surface of the reference block (31) are provided at the lower end surface of the stop block (32).

2. The inspection tool for processing an automobile exhaust pipe connector according to claim 1, characterized in that: The quick clamp (22) comprises a clamping claw (221), wherein the clamping claw (221) is provided with an arc-shaped surface (2211) that matches the first annular conical surface (1031).

3. The inspection tool for processing an automobile exhaust pipe connector according to claim 1, characterized in that: During positioning, the width detection block (213) is snap-fitted into the notch (1033) of the annular skirt portion (103).

4. The inspection tool for processing an automobile exhaust pipe connector according to claim 1, characterized in that: The through gauge surface (321) and the stop gauge surface (322) are both arranged parallel to the upper end surface (1011) of the annular portion (101).

5. The inspection tool for processing automobile exhaust pipe connector according to claim 4, characterized in that: The upper end surface (1011) of the annular portion (101) is arranged parallel to the lower end surface of the reference block (31).

6. The inspection tool for processing automobile exhaust pipe connector according to claim 1, characterized in that: At least two quick clamps (22) are provided and are evenly distributed around the circumference of the positioning seat (21).

7. The inspection tool for processing an automobile exhaust pipe connector according to claim 1, characterized in that: The reference block (31) is disposed directly above the positioning seat (21) via a mounting seat (311), and the distance between the mounting seat (311) and the positioning seat (21) should allow the stop block (32) to pass through.

8. The inspection tool for processing an automobile exhaust pipe connector according to claim 1, characterized in that: The workbench (1) is provided with handles (11) at both left and right ends.

9. The inspection tool for processing an automobile exhaust pipe connector according to claim 1, characterized in that: A name brand card (12) is provided on the upper surface of the workbench (1).

10. The inspection tool for processing automobile exhaust pipe connector according to claim 1, characterized in that: Support legs (13) are provided at the four corners of the bottom end of the workbench (1), and anti-slip pads (131) are provided at the bottom ends of the support legs (13).

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