EGR pipe detection device

Abstract

The utility model discloses an EGR pipe detection device which comprises a bottom plate, a supporting block, a horizontal pressing mechanism, a vertical pressing mechanism, a first positioning detection mechanism, a second positioning detection mechanism and a profile tolerance detection mechanism. A plurality of supporting blocks, a horizontal pressing mechanism, a vertical pressing mechanism, a first positioning detection mechanism, a second positioning detection mechanism and a profile tolerance detection mechanism are arranged on the bottom plate; the profile tolerance detection mechanism is used for detecting the profile tolerance of the EGR pipe; the first positioning detection mechanism and the second positioning detection mechanism detect the hole flanging height of the large opening end and the hole flanging height of the small opening end of the EGR pipe respectively. Compared with the prior art, the detection device has the advantages that the detection process is simple, the detection difficulty is small, operation is convenient, three-coordinate professionals are not needed for detection, automatic detection is achieved, the product inspection cost is reduced, the detection time is greatly shortened, and the detection efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of EGR pipe detection, in particular to an EGR pipe detection device. Background Art

[0002] Automobile engines usually use exhaust gas recirculation. EGR is a technology that separates part of the exhaust gas after combustion in an internal combustion engine and introduces it into the intake side for re-combustion. It helps to reduce nitrogen oxides and particulates in the exhaust gas. At the same time, it can increase fuel consumption rate when sharing part of the load, further improving fuel economy.

[0003] The EGR pipe is not a straight pipe, and the end needs to be bent according to processing requirements to facilitate the installation of the EGR pipe. The EGR pipe has many size requirements and high quality requirements. Among them, the inspection items such as contour and position cannot be inspected by inspection tools, but are all inspected by three-coordinate inspection. However, the inspection efficiency of three-coordinate inspection is low, and it is difficult to achieve full inspection of pipes in mass production. Utility Model Content

[0004] The technical problem to be solved by the utility model is how to improve the detection efficiency.

[0005] In order to solve the above technical problems, the utility model provides the following technical solutions:

[0006] An EGR pipe detection device comprises a base plate, a support block, a horizontal clamping mechanism, a vertical clamping mechanism, a first positioning detection mechanism, a second positioning detection mechanism and a contour detection mechanism. The base plate is provided with a plurality of support blocks, a horizontal clamping mechanism, a vertical clamping mechanism and a first positioning detection mechanism, a second positioning detection mechanism and a contour detection mechanism. The horizontal clamping mechanism cooperates with the support block to achieve horizontal position limiting of the EGR pipe, and the vertical clamping mechanism cooperates with the support block to achieve vertical position limiting of the EGR pipe; the contour detection mechanism is respectively arranged at a position close to the first positioning detection mechanism and the second positioning detection mechanism for detecting the contour of the EGR pipe; the first positioning detection mechanism and the second positioning detection mechanism respectively detect the height of the large-mouth end and the height of the small-mouth end of the EGR pipe.

[0007] The detection process of this detection device is simple, the detection difficulty is low, the operation is convenient, and it does not require three-coordinate professionals to detect. It realizes automated detection, which not only reduces product inspection costs, but also greatly reduces detection time and improves detection efficiency.

[0008] Preferably, the first positioning detection mechanism includes a first fixed seat, a first fixed sleeve, a first reference centering block, and a first contact digital sensor. The first fixed seat is fixed on the base plate. The first fixed seat is provided with a plurality of first contact digital sensors. The first fixed seat is provided with a first fixed sleeve. The first fixed sleeve is provided with a first reference centering block. The contact end of the first contact digital sensor passes through the first fixed seat and extends into the first fixed sleeve.

[0009] Preferably, the second positioning detection mechanism includes a second fixed seat, a second fixed sleeve, a second reference centering block, and a second contact digital sensor. The second fixed seat is fixed on the base plate. The second fixed seat is provided with a plurality of second contact digital sensors. The second fixed seat is provided with a second fixed sleeve. The second fixed sleeve is provided with a second reference centering block. The contact end of the second contact digital sensor passes through the second fixed seat and extends into the second fixed sleeve.

[0010] Preferably, the contour detection mechanism comprises a third fixing seat and a third contact digital sensor, the third fixing seat is fixed on the bottom plate, and a plurality of third contact digital sensors are arranged on the third fixing seat.

[0011] Preferably, the third fixing seat is fixed on the base plate via a mounting seat.

[0012] Preferably, a cover body for housing the contour detection mechanism is also provided on the bottom plate.

[0013] Preferably, the support block is L-shaped, and the horizontal section of the support block is fixed on the bottom plate.

[0014] Preferably, the horizontal pressing mechanism comprises a horizontal cylinder and a first pressing block, the horizontal cylinder is fixed on a bottom plate, and the output end of the horizontal cylinder is provided with a first pressing block parallel to a vertical section of a supporting block.

[0015] Preferably, the vertical pressing mechanism comprises a vertical cylinder and a second pressing block, the vertical cylinder is fixed on the bottom plate, and the output end of the vertical cylinder is provided with a second pressing block perpendicular to the horizontal section of the supporting block.

[0016] Preferably, the vertical cylinder is fixed to the base plate via a bracket.

[0017] Compared with the prior art, the beneficial effects of the utility model are:

[0018] The detection process of this detection device is simple, the detection difficulty is low, the operation is convenient, and it does not require three-coordinate professionals to detect. It realizes automated detection, which not only reduces product inspection costs, but also greatly reduces detection time and improves detection efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the installation structure of an embodiment of the utility model;

[0020] Figure 2 It is a schematic diagram of the structure of an embodiment of the utility model;

[0021] Figure 3 This is a schematic diagram of the structure of the first positioning detection mechanism of the embodiment of the utility model;

[0022] Figure 4 This is a schematic diagram of the structure of the second positioning detection mechanism of the embodiment of the utility model;

[0023] Figure 5 It is a structural schematic diagram of the contour detection mechanism of an embodiment of the utility model. DETAILED DESCRIPTION

[0024] In order to facilitate those skilled in the art to understand the technical solution of the utility model, the technical solution of the utility model is further explained in conjunction with the drawings in the specification.

[0025] In this application, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection, an electrical connection, or a communication; 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. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0026] In this application, unless otherwise expressly specified and limited, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of this application, "plurality" means two or more, unless otherwise clearly and specifically limited.

[0027] See also Figures 1 to 5 This embodiment discloses an EGR pipe detection device, including a base plate 1, a support block 2, a horizontal clamping mechanism 3, a vertical clamping mechanism 4, a first positioning detection mechanism 5, a second positioning detection mechanism 6 and a contour detection mechanism 7.

[0028] The bottom plate 1 is provided with two groups of support blocks 2 , two groups of horizontal clamping mechanisms 3 , two groups of vertical clamping mechanisms 4 , a first positioning detection mechanism 5 , a second positioning detection mechanism 6 and two groups of contour detection mechanisms 7 .

[0029] In this embodiment, the support block 2 is L-shaped, the horizontal section of the support block 2 is fixed on the bottom plate 1 , and the horizontal pressing mechanism 3 and the vertical pressing mechanism 4 are correspondingly arranged close to the support block 2 .

[0030] The horizontal clamping mechanism 3 includes a horizontal cylinder 31 and a first clamping block 32. The horizontal cylinder 31 is fixed on the base plate 1. The output end of the horizontal cylinder 31 is provided with a first clamping block 32 parallel to the vertical section of the support block 2. The horizontal cylinder 31 is driven so that the first clamping block 32 can approach the vertical section of the support block 2 to clamp the EGR pipe 10, thereby realizing the horizontal fixation of the EGR pipe 10.

[0031] The vertical clamping mechanism 4 includes a bracket 41, a vertical cylinder 42 and a second clamping block 43. The vertical cylinder 42 is fixed to the bottom plate 1 through the bracket 41. The output end of the vertical cylinder 42 is provided with a second clamping block 43 perpendicular to the horizontal section of the support block 2. The vertical cylinder 42 is driven so that the second clamping block 43 can approach the horizontal section of the support block 2 to clamp the EGR pipe 10, thereby achieving the vertical fixation of the EGR pipe 10.

[0032] The first positioning detection mechanism 5 includes a first fixed seat 51, a first fixed sleeve 52, a first reference centering block 53, and a first contact digital sensor 54. The first fixed seat 51 is fixed on the base plate 1. The first fixed seat 51 is provided with a plurality of first contact digital sensors 54. The first fixed seat 51 is provided with a first fixed sleeve 52. The first fixed sleeve 52 is provided with a first reference centering block 53. The contact end of the first contact digital sensor 54 penetrates the first fixed seat 51 and extends into the first fixed sleeve 52 and is used to detect the height of the large-mouth end of the EGR pipe 10.

[0033] The second positioning detection mechanism 6 includes a second fixed seat 61, a second fixed sleeve 62, a second reference centering block 63, and a second contact digital sensor 64. The second fixed seat 61 is fixed on the base plate 1. The second fixed seat 61 is provided with a plurality of second contact digital sensors 64. The second fixed seat 61 is provided with a second fixed sleeve 62. The second fixed sleeve 62 is provided with a second reference centering block 63. The contact end of the second contact digital sensor 64 penetrates the second fixed seat 61 and extends into the second fixed sleeve 62 and is used to detect the height of the small-mouth end of the EGR pipe 10.

[0034] The contour detection mechanism 7 includes a third fixing seat 71 and a third contact digital sensor 72 . The third fixing seat 71 is fixed on the base plate 1 . A plurality of third contact digital sensors 72 are arranged on the third fixing seat 71 for detecting the contour of the EGR pipe 10 .

[0035] Furthermore, the third fixing seat is fixed on the base plate via a mounting seat 8 .

[0036] Furthermore, a cover body 9 for covering the contour detection mechanism 7 is also provided on the base plate 1 .

[0037] The working principle of this embodiment is: the EGR pipe 10 to be tested is placed on two groups of support blocks 2, and the two reference holes of the EGR pipe 10 to be tested are respectively aligned with the first reference centering block 53 and the second reference centering block 63 of the first positioning detection mechanism 5 and the second positioning detection mechanism 6, and then the horizontal cylinder 31 is driven to make the first clamping block 32 close to the vertical section of the support block 2 to clamp the EGR pipe 10, and the vertical cylinder 42 is driven to make the second clamping block 43 close to the horizontal section of the support block 2 to clamp the EGR pipe 10, and the EGR pipe 10 to be tested is fixed. Then, by reading the degrees of the first contact digital sensor 54, the second contact digital sensor 64 and the third contact digital sensor 72, if each degree is within the tolerance range, the horizontal cylinder 31 is opened and the vertical cylinder 42 is driven to take out the product, and the next EGR pipe 10 can be tested. If the degree exceeds the tolerance range, the test fails.

[0038] The detection process of this detection device is simple, the detection difficulty is low, the operation is convenient, and it does not require three-coordinate professionals to detect. It realizes automated detection, which not only reduces product inspection costs, but also greatly reduces detection time and improves detection efficiency.

[0039] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or basic features of the present invention. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims are included in the present invention, and any figure mark in the claims should not be regarded as limiting the claims involved.

[0040] The above-described embodiments merely represent implementation methods of the utility model, and the protection scope of the utility model is not limited to the above-described embodiments. For those skilled in the art, several modifications and improvements can be made without departing from the concept of the utility model, and all of these belong to the protection scope of the utility model.

Claims

1. An EGR pipe detection device, characterized in that: It includes a base plate, a support block, a horizontal clamping mechanism, a vertical clamping mechanism, a first positioning detection mechanism, a second positioning detection mechanism and a contour detection mechanism. The base plate is provided with multiple support blocks, a horizontal clamping mechanism, a vertical clamping mechanism, a first positioning detection mechanism, a second positioning detection mechanism and a contour detection mechanism. The horizontal clamping mechanism cooperates with the support block to achieve horizontal limitation of the EGR pipe, and the vertical clamping mechanism cooperates with the support block to achieve vertical limitation of the EGR pipe; the contour detection mechanism is respectively arranged at a position close to the first positioning detection mechanism and the second positioning detection mechanism for detecting the contour of the EGR pipe; the first positioning detection mechanism and the second positioning detection mechanism respectively detect the height of the large-mouth end and the height of the small-mouth end of the EGR pipe.

2. The EGR pipe detection device according to claim 1, characterized in that: The first positioning detection mechanism includes a first fixed seat, a first fixed sleeve, a first reference centering block, and a first contact digital sensor. The first fixed seat is fixed on the base plate. The first fixed seat is provided with a plurality of first contact digital sensors. The first fixed seat is provided with a first fixed sleeve. The first fixed sleeve is provided with a first reference centering block. The contact end of the first contact digital sensor passes through the first fixed seat and extends into the first fixed sleeve.

3. The EGR pipe detection device according to claim 1, characterized in that: The second positioning detection mechanism includes a second fixed seat, a second fixed sleeve, a second reference centering block, and a second contact digital sensor. The second fixed seat is fixed on the base plate. The second fixed seat is provided with a plurality of second contact digital sensors. The second fixed seat is provided with a second fixed sleeve. The second fixed sleeve is provided with a second reference centering block. The contact end of the second contact digital sensor passes through the second fixed seat and extends into the second fixed sleeve.

4. The EGR pipe detection device according to claim 1, characterized in that: The contour detection mechanism comprises a third fixing seat and a third contact digital sensor. The third fixing seat is fixed on the bottom plate, and a plurality of third contact digital sensors are arranged on the third fixing seat.

5. The EGR pipe detection device according to claim 4, characterized in that: The third fixing seat is fixed on the bottom plate through the mounting seat.

6. The EGR pipe detection device according to claim 1, characterized in that: The bottom plate is also provided with a cover body for covering the contour detection mechanism.

7. The EGR pipe detection device according to claim 1, characterized in that: The support block is L-shaped, and the horizontal section of the support block is fixed on the bottom plate.

8. The EGR pipe detection device according to claim 7, characterized in that: The horizontal pressing mechanism comprises a horizontal cylinder and a first pressing block. The horizontal cylinder is fixed on a bottom plate. The output end of the horizontal cylinder is provided with a first pressing block parallel to a vertical section of a supporting block.

9. The EGR pipe detection device according to claim 7, characterized in that: The vertical pressing mechanism comprises a vertical cylinder and a second pressing block. The vertical cylinder is fixed on a bottom plate. The output end of the vertical cylinder is provided with a second pressing block perpendicular to the horizontal section of the supporting block.

10. The EGR pipe detection device according to claim 9, characterized in that: The vertical cylinder is fixed on the bottom plate through a bracket.

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