Jig for detecting automobile parts

Abstract

The utility model relates to the technical field of part detection, in particular to a jig for detecting automobile parts. According to the technical scheme, the device comprises a supporting plate, through holes, an air storage groove and a clamping sleeve, detection pins which are distributed in parallel at equal intervals are rotationally installed on the outer wall of the upper end of the supporting plate, the air storage groove is formed in each detection pin, an air pressure sensor is arranged on one side of the inner wall of each air storage groove, and the through holes are formed in the outer walls of the two sides of each detection pin; a connecting plate is rotatably installed in the through hole, clamping sleeves are symmetrically installed on one side of the inner wall of the through hole and the outer wall of one side of the connecting plate, air cylinder bodies are rotatably installed in the clamping sleeves, and by arranging an air storage tank, an air pressure sensor, balls and the air cylinder bodies, the effect of improving the detection integrity is achieved; the smoothness of the inner wall of the hole can be detected, and the outflow probability of defective products is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of parts detection, in particular to a fixture for detecting automobile parts. Background Art

[0002] Auto parts refer to the various units that make up the whole of a car and a product that serves the car. The types of auto parts include engine parts, transmission system parts, brake system parts, steering system parts and many other forms. The jigs used for auto parts testing are special tools or equipment designed specifically for inspecting and verifying the dimensional accuracy, functionality or durability of auto parts. Existing inspection fixtures usually insert inspection pins into the holes inside the parts for testing.

[0003] Although the prior art has many benefits during use, it still has the following problems: it lacks a detection structure for the smoothness of the inner wall of the hole, which results in the staff being unable to know the processing quality of the hole, and defective products are prone to flow out. Utility Model Content

[0004] The purpose of the utility model is to provide a jig for detecting automobile parts to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a jig for detecting automobile parts, comprising a support plate, a through hole, an air storage tank and a ferrule, wherein the upper end outer wall of the support plate is rotatably mounted with equidistant and parallel detection pins, an air storage tank is provided inside the detection pins, an air pressure sensor is provided on one side of the inner wall of the air storage tank, through holes are provided on the outer walls on both sides of the detection pins, a connecting plate is rotatably mounted inside the through hole, ferrules are symmetrically mounted on one side of the inner wall of the through hole and the outer wall of one side of the connecting plate, and a cylinder body is rotatably mounted inside the ferrule.

[0006] When using a jig for inspecting automobile parts in the technical solution, the staff places the workpiece in an external clamping device for clamping and fixing, and the power structure pushes the support plate and the detection pin to move vertically until the detection pin enters the hole of the workpiece, thereby achieving the purpose of detecting the hole size, and the external air pump transports gas to the inside of the air storage tank through the connecting pipe, and the gas inside the air storage tank enters the inside of the cylinder body through the connecting pipe, thereby driving the cylinder body to extend, and driving the connecting plate to rotate in a circle through the ferrule until the ball passes through the through hole and contacts the inner wall of the hole, and the motor body drives the detection pin to rotate back and forth in a circle, and the ball will move against the inner wall of the hole. When an uneven shape appears, the ball will drive the connecting plate to rotate toward the inside of the through hole, so that the cylinder body is compressed and retracted, and the air pressure data inside the air storage tank changes through the connecting pipe, and the air pressure sensor can detect the amplitude of the change.

[0007] Preferably, the detection pin passes through the outer wall of one end of the support plate and is provided with a motor body, the motor body is connected to the outer wall of the lower end of the support plate, and both sides of the outer wall of the lower end of the support plate are connected to a power structure. The motor body drives the detection pin to rotate in a circle, and the power structure drives the support plate and the detection pin to move vertically.

[0008] Preferably, the lower ends of the outer walls on both sides of the detection pin are plugged with connecting pipes, the connecting pipes are connected to the inside of the gas storage tank, and the inner wall of the gas storage tank is designed in a cylindrical shape. The connecting pipes are connected to an external air pump to inflate or exhaust the inside of the gas storage tank.

[0009] Preferably, the outer wall of the lower end of the connecting plate is designed in an arc shape, and a ball is rotatably mounted on the outer wall of one side of the connecting plate, and the ball is located inside the through hole. The connecting plate can drive the ball to move out of the through hole.

[0010] Preferably, a connecting pipe is installed on the outer wall of one side of the cylinder body, the connecting pipe penetrates the detection pin and is connected to the inside of the gas storage tank, and the cylinder body is connected to the inside of the gas storage tank through the connecting pipe. The gas inside the gas storage tank is transported to the inside of the cylinder body through the connecting pipe, which can drive the cylinder body to extend or retract.

[0011] Compared with the prior art, the utility model has the following beneficial effects: the utility model achieves the effect of improving the detection integrity by arranging an air storage tank, an air pressure sensor, a ball and a cylinder body; the staff places the workpiece in an external clamping device for clamping and fixing, and the power structure pushes the support plate and the detection pin to move vertically until the detection pin enters the hole of the workpiece, thereby achieving the purpose of detecting the hole size; and the external air pump transports gas to the inside of the air storage tank through the connecting pipe, and the gas inside the air storage tank enters the inside of the cylinder body through the connecting pipe, thereby driving the cylinder body The cylinder body is stretched out and drives the connecting plate to rotate in a circle through the ferrule until the ball passes through the through hole and contacts the inner wall of the hole. The motor body drives the detection pin to rotate back and forth in a circle. The ball moves against the inner wall of the hole. When an uneven shape appears, the ball drives the connecting plate to rotate toward the inside of the through hole, causing the cylinder body to be compressed and retracted. The air pressure data inside the air storage tank changes through the connecting pipe. The air pressure sensor can detect the amplitude of the change, thereby achieving the ability to detect the smoothness of the inner wall of the hole, improving the detection integrity of the hole, and reducing the probability of defective products flowing out. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 This is a schematic diagram of the appearance of the support plate structure of the utility model;

[0013] Figure 2 It is a schematic cross-sectional view of the detection pin structure of the utility model;

[0014] Figure 3 It is an enlarged schematic diagram of the through hole structure of the utility model;

[0015] Figure 4 It is an enlarged schematic diagram of the gas storage tank structure of the utility model.

[0016] In the figure: 1. support plate; 11. power structure; 12. motor body; 13. detection pin; 14. air storage tank; 15. air pressure sensor; 16. connecting pipe; 2. through hole; 21. connecting plate; 22. ball bearing; 23. ferrule; 24. cylinder body; 25. connecting pipe. DETAILED DESCRIPTION

[0017] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0018] See also Figure 1-Figure 4 , the utility model provides two embodiments:

[0019] Embodiment 1: A jig for detecting automobile parts comprises a support plate 1, a through hole 2, an air storage tank 14 and a ferrule 23, wherein the outer wall of the upper end of the support plate 1 is rotatably mounted with equidistant and parallel detection pins 13, the detection pins 13 are provided with an air storage tank 14 inside, an air pressure sensor 15 is arranged on one side of the inner wall of the air storage tank 14, through holes 2 are arranged on the outer walls on both sides of the detection pins 13, a connecting plate 21 is rotatably mounted inside the through hole 2, ferrules 23 are symmetrically mounted on one side of the inner wall of the through hole 2 and on the outer wall of one side of the connecting plate 21, and a cylinder body 24 is rotatably mounted inside the ferrule 23.

[0020] The detection pin 13 penetrates through the outer wall of one end of the support plate 1, and a motor body 12 is provided. The motor body 12 is connected to the outer wall of the lower end of the support plate 1, and the power structure 11 is connected to both sides of the outer wall of the lower end of the support plate 1. The motor body 12 drives the detection pin 13 to rotate in a circle, and the power structure 11 drives the support plate 1 and the detection pin 13 to move vertically. The staff places the workpiece inside the external clamping device for clamping and fixing, and the power structure 11 pushes the support plate 1 and the detection pin 13 to move vertically until the detection pin 13 enters the hole of the workpiece, thereby achieving the purpose of detecting the hole size.

[0021] Embodiment 2: A jig for detecting automobile parts comprises a support plate 1, a through hole 2, an air storage tank 14 and a ferrule 23, wherein the outer wall of the upper end of the support plate 1 is rotatably mounted with equidistant and parallel detection pins 13, the detection pins 13 are provided with an air storage tank 14 inside, an air pressure sensor 15 is arranged on one side of the inner wall of the air storage tank 14, through holes 2 are arranged on the outer walls on both sides of the detection pins 13, a connecting plate 21 is rotatably mounted inside the through hole 2, ferrules 23 are symmetrically mounted on one side of the inner wall of the through hole 2 and on the outer wall of one side of the connecting plate 21, and a cylinder body 24 is rotatably mounted inside the ferrule 23.

[0022] The detection pin 13 passes through the outer wall of one end of the support plate 1, and a motor body 12 is provided. The inspection device of the utility model also needs to provide an air pressure sensor 15, a motor body 12 and a power structure 11 to enable it to work normally. As is well known to those skilled in the art, the provision of the air pressure sensor 15, the motor body 12 and the power structure 11 is commonplace, and they all belong to conventional means or common knowledge, and will not be repeated here. Those skilled in the art can make any selection according to their needs or convenience. The motor body 12 is connected to the outer wall of the lower end of the support plate 1, and the power structure 11 is connected to both sides of the outer wall of the lower end of the support plate 1. The motor body 12 drives the detection pin 13 to rotate in a circle, and the power structure 11 drives the support plate 1 and the detection pin 13 to move vertically.

[0023] The lower ends of the outer walls on both sides of the detection pin 13 are plugged with connecting pipes 16, which are connected to the inside of the gas storage tank 14. The inner wall of the gas storage tank 14 is designed in a cylindrical shape. The connecting pipe 16 is connected to an external air pump to inflate or exhaust the inside of the gas storage tank 14.

[0024] The outer wall of the lower end of the connecting plate 21 is designed in an arc shape, and a ball 22 is rotatably mounted on the outer wall of one side of the connecting plate 21, and the ball 22 is located inside the through hole 2. The connecting plate 21 can drive the ball 22 to move out of the through hole 2.

[0025] A connecting pipe 25 is installed on the outer wall of one side of the cylinder body 24. The connecting pipe 25 passes through the detection pin 13 and is connected to the inside of the gas storage tank 14. The cylinder body 24 is connected to the inside of the gas storage tank 14 through the connecting pipe 25. The gas inside the gas storage tank 14 is transported to the inside of the cylinder body 24 through the connecting pipe 25, which can drive the cylinder body 24 to extend or retract. The staff places the workpiece in the external clamping device for clamping and fixing, and the power structure 11 pushes the support plate 1 and the detection pin 13 to move vertically until the detection pin 13 enters the hole of the workpiece, thereby achieving the purpose of detecting the size of the hole, and the external air pump transports gas to the inside of the gas storage tank 14 through the connecting pipe 16. The gas inside the gas storage tank 14 enters the inside of the cylinder body 24 through the connecting pipe 25, thereby driving the cylinder body 24 to extend, and the clamping sleeve 23 brings The movable connecting plate 21 rotates in a circle until the ball 22 passes through the through hole 2 and contacts the inner wall of the hole. The motor body 12 drives the detection pin 13 to rotate back and forth in a circle. The ball 22 moves along the inner wall of the hole. When an uneven shape appears, the ball 22 drives the connecting plate 21 to rotate toward the inside of the through hole 2, so that the cylinder body 24 is compressed and retracted, and the air pressure data inside the air storage tank 14 changes through the connecting pipe 25. The air pressure sensor 15 can detect the amplitude of the change, thereby achieving the ability to detect the smoothness of the inner wall of the hole, improving the detection integrity of the hole, and reducing the probability of defective products flowing out.

[0026] 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 essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, 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 be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A jig for testing automobile parts, comprising a support plate (1), a through hole (2), an air storage tank (14) and a ferrule (23), characterized in that: The outer wall of the upper end of the support plate (1) is rotatably mounted with equidistant and parallel distributed detection pins (13); an air storage tank (14) is provided inside the detection pin (13); an air pressure sensor (15) is arranged on one side of the inner wall of the air storage tank (14); through holes (2) are provided on the outer walls on both sides of the detection pin (13); a connecting plate (21) is rotatably mounted inside the through hole (2); a clamping sleeve (23) is symmetrically mounted on one side of the inner wall of the through hole (2) and on one side of the outer wall of the connecting plate (21); a cylinder body (24) is rotatably mounted inside the clamping sleeve (23).

2. The jig for testing automobile parts according to claim 1, characterized in that: The detection pin (13) passes through the outer wall of one end of the support plate (1), and a motor body (12) is provided thereon; the motor body (12) is connected to the outer wall of the lower end of the support plate (1), and both sides of the outer wall of the lower end of the support plate (1) are connected to a power structure (11).

3. The jig for testing automobile parts according to claim 1, characterized in that: The lower ends of the outer walls on both sides of the detection pin (13) are plugged with connecting pipes (16), the connecting pipes (16) are connected to the inside of the air storage tank (14), and the inner wall of the air storage tank (14) is designed in a cylindrical shape.

4. The jig for testing automobile parts according to claim 1, characterized in that: The outer wall of the lower end of the connecting plate (21) is designed in an arc shape, and a ball (22) is rotatably mounted on the outer wall of one side of the connecting plate (21), and the ball (22) is located inside the through hole (2).

5. The jig for testing automobile parts according to claim 1, characterized in that: A connecting pipe (25) is inserted and installed on the outer wall of one side of the cylinder body (24); the connecting pipe (25) penetrates the detection pin (13) and is connected to the inside of the gas storage tank (14); and the cylinder body (24) is connected to the inside of the gas storage tank (14) through the connecting pipe (25).

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