Exhaust pipe diameter detection device

Abstract

The utility model discloses an exhaust pipe diameter detection device, which comprises a rack and a substrate arranged on the rack, the substrate is provided with a bearing seat for bearing a pipeline, the bearing seat is provided with a bearing port, and the length of the bearing port is greater than the diameter of the pipeline; the two ends of the bearing seat are respectively provided with a positioning assembly used for positioning a flange plate, and each positioning assembly is provided with a detection assembly used for detecting the surface flatness of the flange plate. The exhaust pipe positioning device has the advantages that the design is exquisite, full-automatic positioning of the exhaust pipe is achieved, the positioning mode is accurate and convenient, follow-up precise detection of the size of the exhaust pipe is facilitated, and in addition, the exhaust pipe positioning device is compact in structure, reasonable in layout, capable of reducing occupied space and wide in applicability.

Description

Technical Field

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

[0002] The role of automobile exhaust pipes on the body of the car is to reduce vibration and noise, and extend the life of the exhaust muffler system. The main material of the exhaust pipe is stainless steel. Generally, the size of the exhaust pipe varies according to the displacement of the car. Generally, the 1.0 displacement is generally a 38MM pipe, the 1.4 displacement is a 45MM pipe, and the 1.6 displacement is a 51MM pipe.

[0003] like Figure 1 As shown, it is a stereoscopic diagram of an exhaust pipe in the prior art. The exhaust pipe 100 includes a pipe 101 and flanges 102 arranged at both ends thereof. Its size needs to be detected during the processing to ensure the yield rate of subsequent processing. For example, a diameter detection device for automobile exhaust pipes with patent number CN213274048U discloses a diameter detection device for automobile exhaust pipes. The size detection device includes a conical pipe, one end of which is sealed, and the other end of which is open. A scale rod is arranged in the conical pipe. One end of the scale rod is inserted into the conical pipe and then slidably connected with the conical pipe. The other end of the scale rod passes through the conical pipe. After the conical pipe is inserted into the exhaust pipe, the exhaust pipe can push the scale rod out of the conical pipe.

[0004] In the prior art, when inspecting the exhaust pipe, a vernier caliper is generally used to inspect the size. Most calipers are suitable for inspecting dimensions such as inner and outer diameters. It is inconvenient to use a vernier caliper to inspect whether the shape of the pipe is regular or deformed, which reduces work efficiency. Utility Model Content

[0005] The utility model aims to overcome the shortcomings of the prior art and provide an exhaust pipe diameter detection device.

[0006] The purpose of the utility model is achieved through the following technical solutions:

[0007] An exhaust pipe diameter detection device comprises a frame and a base plate arranged thereon, wherein the base plate is provided with a bearing seat for supporting the pipe, the bearing seat is provided with a bearing opening, and the length of the bearing opening is greater than the diameter of the pipe; positioning components for positioning a flange are respectively provided at both ends of the bearing seat, and a detection component for detecting the flatness of the surface of the flange is provided on the positioning component.

[0008] Preferably, the positioning assembly at least includes a triangular seat fixed on the base plate, a sliding plate is slidably provided on the triangular seat, and an angle is formed between the central axis of the sliding plate and the horizontal line; a bracket is fixed on the sliding plate, a positioning cylinder is fixed on the bracket, a positioning plate is fixed on the cylinder shaft of the positioning cylinder, and a positioning pin matching the positioning hole on the flange is fixed on the positioning plate.

[0009] Preferably, a locking cylinder is also fixed on the bracket, and the locking cylinder is located on both sides of the positioning cylinder. A locking plate is pivoted on the cylinder shaft of the locking cylinder. A limit block is fixed on the bracket, and a limit strip is pivoted on the limit block. The other end of the limit strip is pivoted at the middle of the locking plate so that the locking plate can be pressed against the outer surface of the flange.

[0010] Preferably, a guide rail is fixedly provided on the triangular seat, a guide block matching with the guide rail is provided on the guide rail, the sliding plate is fixedly provided on the guide block, and a telescopic cylinder is also fixedly provided on the triangular seat, and the cylinder shaft of the telescopic cylinder is connected to the sliding plate through a T-shaped connecting plate.

[0011] Preferably, a fixed plate is fixedly provided on the shell of the telescopic cylinder, an L-shaped handle is pivotally provided on the fixed plate, a transmission arm is pivotally provided at the midpoint of the handle, and the other end of the transmission arm is pivotally connected to one end of the connecting plate away from the cylinder axis of the telescopic cylinder.

[0012] Preferably, a buffer is also fixedly provided on the triangular seat, and the buffer is located at two ends of the triangular seat and can abut against the sliding plate.

[0013] Preferably, the detection assembly at least includes a displacement sensor fixed on the bracket, the displacement sensors are evenly distributed around the positioning cylinder, and the positioning plate is provided with a detection hole matched with the detection head of the displacement sensor.

[0014] Preferably, a locking cylinder is fixedly provided on the base plate, and a pressure plate is fixedly provided on the cylinder shaft of the locking cylinder, and the pressure plate can lock the pipeline in the bearing port.

[0015] Preferably, a go / no-go gauge is also provided on the substrate.

[0016] Preferably, connecting seats are pivotally provided at both ends of the base plate, a driving motor is fixedly provided on the frame, and the driving motor is connected to the connecting seat on one side.

[0017] The beneficial effects of the utility model are mainly reflected in:

[0018] 1. With exquisite design, the device can realize full-automatic positioning of the exhaust pipe. The positioning method is accurate and convenient, which is convenient for subsequent precise detection of its size. In addition, the device has a compact structure, reasonable layout, reduced space occupation, and wide applicability;

[0019] 2. The displacement sensors evenly distributed around the positioning cylinder can detect the parallelism between the positioning plate and the flange, ensuring the accuracy of positioning and improving the accuracy of subsequent dimensional detection;

[0020] 3. The pressure plate locks the pipe in the load-bearing port and the locking plate presses the outer surface of the flange, which can limit the exhaust pipe to prevent displacement or movement during the detection process, further improve the accuracy of the detection, and has a wide range of applicability. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The technical solution of the utility model is further described below in conjunction with the accompanying drawings:

[0022] Figure 1 : A three-dimensional diagram of an exhaust pipe in a preferred embodiment of the utility model;

[0023] Figure 2 : A three-dimensional diagram of a preferred embodiment of the utility model;

[0024] Figure 3 : Figure 2 A partial enlarged view of part A;

[0025] Figure 4 : A three-dimensional diagram of the positioning component and the detection component in the preferred embodiment of the utility model. DETAILED DESCRIPTION

[0026] The present invention will be described in detail below in conjunction with the specific embodiments shown in the accompanying drawings. However, these embodiments are not limited to the present invention, and any structural, methodological, or functional changes made by a person skilled in the art based on these embodiments are all within the scope of protection of the present invention.

[0027] The present invention will be described in detail below with reference to the accompanying drawings and in combination with embodiments.

[0028] like Figures 2 to 4 As shown, the utility model discloses an exhaust pipe diameter detection device, including a frame 1 and a base plate 2 arranged thereon, wherein two end pivots of the base plate 2 are provided with connecting seats 24, and a driving motor 25 is fixedly provided on the frame 1, and the driving motor 25 is connected to the connecting seat 24 on one side. The driving motor 25 can drive the base plate 2 to flip, thereby improving the degree of automation and the work efficiency.

[0029] The base plate 2 is provided with a group of bearing seats 3 for bearing the pipe 101, and each of the bearing seats 3 is provided with a bearing port 31, and the length of the bearing port 31 is greater than the diameter of the pipe 101. In the above, the position and number of the bearing seats 3 can be adjusted accordingly according to actual needs, and all belong to the protection scope of the present utility model. In addition, a locking cylinder 21 is also fixedly provided on the base plate 2, and a pressure plate 22 is fixedly provided on the cylinder shaft of the locking cylinder 21, and the pressure plate 22 can lock the pipe 101 in the bearing port 31. In the above, the locking cylinder 21 can be selectively provided on the base plate 2, and only some corresponding locking cylinders 21 need to be provided to lock the pipe 101 in the bearing port 31. The position and number of the locking cylinder 21 can be adjusted accordingly according to actual needs, and all belong to the protection scope of the present utility model.

[0030] In this preferred embodiment, a go / no-go gauge 23 is further provided on the substrate 2. The go / no-go gauge 23 is a prior art and the utility model will not be elaborated on in detail. In this design, the go / no-go gauge 23 has a large diameter at one end and a small diameter at the other end. If the large diameter end can pass through the distance between the pipe 101 and the supporting seat 3, it is a defective product; if the small diameter cannot pass through the distance between the pipe 101 and the supporting seat 3, it is a defective product; if the small diameter can pass through the distance between the pipe 101 and the supporting seat 3, but the large diameter end cannot pass through the distance between the pipe 101 and the supporting seat 3, it is a good product. The above detection method is simple and clever, highly efficient, and has a wide applicability.

[0031] Both ends of the bearing seat 3 are respectively provided with positioning components 4 for positioning the flange 102, and the positioning component 4 at least includes a triangular seat 41 fixed on the base plate 2, and a sliding plate 42 is slidably provided on the triangular seat 41, and an angle is formed between the central axis of the sliding plate 42 and the horizontal line; a bracket 43 is fixed on the sliding plate 42, and a positioning cylinder 44 is fixed on the bracket 43, and a positioning plate 45 is fixed on the cylinder shaft of the positioning cylinder 44, and a positioning pin 46 matched with the positioning hole 103 on the flange 102 is fixed on the positioning plate 45, and the positioning pin 46 is inserted into the positioning hole 103 for preliminary positioning.

[0032] A locking cylinder 47 is also fixedly provided on the bracket 43, and the locking cylinder 47 is located on both sides of the positioning cylinder 44. A locking plate 48 is pivotally provided on the cylinder shaft of the locking cylinder 47. A limit block 481 is fixedly provided on the bracket 43, and a limit strip 482 is pivotally provided on the limit block 481. The other end of the limit strip 482 is pivotally provided in the middle of the locking plate 48, so that the locking plate 48 can be pressed on the outer surface of the flange 102 to limit the movement of the flange 102.

[0033] The triangular seat 41 is fixedly provided with a guide rail (not shown in the figure), the guide rail is provided with a guide block (not shown in the figure) adapted thereto, the guide block is fixedly provided with the sliding plate 42, and the triangular seat 41 is also fixedly provided with a telescopic cylinder 411, the cylinder shaft of the telescopic cylinder 411 is connected to the sliding plate 42 via a T-shaped connecting plate 412. In addition, in this preferred embodiment, a fixed plate 413 is fixedly provided on the shell of the telescopic cylinder 411, the fixed plate 413 is pivotally provided with an L-shaped handle 414, the midpoint pivot of the handle 414 is provided with a transmission arm 415, and the other end of the transmission arm 415 is pivotally connected to one end of the connecting plate 412 away from the cylinder shaft of the telescopic cylinder 411. The above-mentioned corresponding operation mode can be selected according to the actual needs in the working process, which is convenient for practical application.

[0034] In addition, a buffer 49 is fixedly provided on the triangular seat 41 . The buffer 49 is located at both ends of the triangular seat 41 and can abut against the sliding plate 42 . The buffer 49 can prevent the sliding plate from colliding due to excessive movement distance, thereby extending the service life.

[0035] The positioning component 4 is provided with a detection component 5 for detecting the surface flatness of the flange 102. The detection component 5 at least includes a displacement sensor 51 fixed on the bracket 43. The displacement sensors 51 are evenly distributed around the positioning cylinder 44. The positioning plate 45 is provided with a detection hole 52 adapted to the detection head of the displacement sensor 51. The displacement sensor 51 can detect whether the positioning plate 45 is parallel to the flange to ensure the accuracy of subsequent detection.

[0036] The working process of the utility model is briefly described below:

[0037] The manipulator clamps the exhaust pipe 100 and places it on the bearing seat 3. The locking cylinder 21 is activated to drive the pressure plate 22 to move downward, locking the pipe 101 in the bearing port 31. At the same time, the telescopic cylinder 411 drives the sliding plate 42 to move to the specified position, the positioning cylinder 44 is activated to drive the positioning plate 45 to move forward, and the positioning pin is inserted into the positioning hole 103. The locking cylinder 47 is activated to drive the locking plate 482 to flip around the limit head 482 until it is pressed on the flange 102.

[0038] Manual or mechanical hand clamps the go / no-go gauge for inspection. If the large diameter end can pass through the distance between the pipe 101 and the bearing seat 3, it is a defective product; if the small diameter cannot pass through the distance between the pipe 101 and the bearing seat 3, it is a defective product; if the small diameter can pass through the distance between the pipe 101 and the bearing seat 3, but the large diameter end cannot pass through the distance between the pipe 101 and the bearing seat 3, it is a good product. After the inspection is completed, the driving motor 25 drives the substrate 2 to flip through the connecting seat 24, so that the exhaust pipe falls to the station below for subsequent processing.

[0039] It should be understood that although this specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each implementation mode may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

[0040] The series of detailed descriptions listed above are only specific descriptions of feasible implementation methods of the utility model. They are not intended to limit the protection scope of the utility model. Any equivalent implementation methods or changes that do not deviate from the technical spirit of the utility model should be included in the protection scope of the utility model.

Claims

1. An exhaust pipe diameter detection device, comprising a frame (1) and a substrate (2) arranged thereon, characterized in that: The base plate (2) is provided with a bearing seat (3) for bearing the pipe (101), the bearing seat (3) is provided with a bearing opening (31), the length of the bearing opening (31) being greater than the diameter of the pipe (101); positioning components (4) for positioning the flange (102) are respectively provided at both ends of the bearing seat (3), and a detection component (5) for detecting the surface flatness of the flange (102) is provided on the positioning component (4).

2. The exhaust pipe diameter detection device according to claim 1, characterized in that: The positioning assembly (4) at least comprises a triangular seat (41) fixed on the base plate (2); a sliding plate (42) is slidably mounted on the triangular seat (41); an angle is formed between the central axis of the sliding plate (42) and a horizontal line; a bracket (43) is fixed on the sliding plate (42); a positioning cylinder (44) is fixed on the bracket (43); a positioning plate (45) is fixed on the cylinder shaft of the positioning cylinder (44); and a positioning pin (46) adapted to the positioning hole (103) on the flange (102) is fixed on the positioning plate (45).

3. The exhaust pipe diameter detection device according to claim 2, characterized in that: A locking cylinder (47) is also fixedly provided on the bracket (43), and the locking cylinder (47) is located on both sides of the positioning cylinder (44). A locking plate (48) is pivotally provided on the cylinder shaft of the locking cylinder (47). A limiting block (481) is fixedly provided on the bracket (43), and a limiting strip (482) is pivotally provided on the limiting block (481). The other end of the limiting strip (482) is pivotally provided at the middle of the locking plate (48), so that the locking plate (48) can be pressed against the outer surface of the flange (102).

4. The exhaust pipe diameter detection device according to claim 2, characterized in that: A guide rail is fixedly provided on the triangular seat (41), a guide block matching the guide rail is provided on the guide rail, the slide plate (42) is fixedly provided on the guide block, and a telescopic cylinder (411) is also fixedly provided on the triangular seat (41), the cylinder shaft of the telescopic cylinder (411) is connected to the slide plate (42) via a T-shaped connecting plate (412).

5. The exhaust pipe diameter detection device according to claim 4, characterized in that: A fixed plate (413) is fixedly provided on the shell of the telescopic cylinder (411), an L-shaped handle (414) is pivotally provided on the fixed plate (413), a transmission arm (415) is pivotally provided at the midpoint of the handle (414), and the other end of the transmission arm (415) is pivotally connected to an end of the connecting plate (412) away from the cylinder axis of the telescopic cylinder (411).

6. The exhaust pipe diameter detection device according to any one of claims 2 to 4, characterized in that: A buffer (49) is also fixedly provided on the triangular seat (41). The buffer (49) is located at two ends of the triangular seat (41) and can abut against the sliding plate (42).

7. The exhaust pipe diameter detection device according to claim 2, characterized in that: The detection assembly (5) comprises at least a displacement sensor (51) fixed on the bracket (43), the displacement sensors (51) being evenly distributed around the positioning cylinder (44), and the positioning plate (45) being provided with a detection hole (52) adapted to a detection head of the displacement sensor (51).

8. The exhaust pipe diameter detection device according to claim 1, characterized in that: A locking cylinder (21) is also fixedly provided on the base plate (2), and a pressure plate (22) is fixedly provided on the cylinder shaft of the locking cylinder (21), wherein the pressure plate (22) can lock the pipe (101) in the bearing port (31).

9. The exhaust pipe diameter detection device according to claim 1, characterized in that: A go / no-go gauge (23) is also provided on the base plate (2).

10. The exhaust pipe diameter detection device according to claim 1, characterized in that: Connecting seats (24) are pivotally provided at both ends of the base plate (2), a driving motor (25) is fixedly provided on the frame (1), and the driving motor (25) is connected to the connecting seat (24) on one side.

Images