Angle-adjustable plugging jig for air tightness detection

Abstract

The utility model relates to an angle-adjustable sealing jig for air tightness detection, which comprises a bearing seat, a rotating base and an adjusting guide rail, one end of the rotating base is rotatably connected with the bearing seat, the other end of the rotating base is slidably connected with the adjusting guide rail, the middle part of the rotating base is provided with a positioning groove and an air inflation hole, and the air inflation hole is communicated with the positioning groove. A positioning groove is formed in the rotating base, an air bag is arranged in the positioning groove, a folded edge is arranged at the lower end of the air bag, pressing air cylinders are arranged on the two sides of the rotating base, piston rods of the pressing air cylinders penetrate through the rotating base to be fixedly connected with pressing plates, a receding groove is formed in the middle of each pressing plate, and the air bag is located in the receding groove. The folded edge is located between the pressing plate and the rotating base. The utility model has the beneficial effects that the air bag can be quickly disassembled and assembled according to detection requirements, can adapt to hole slot plugging of workpieces with different angles, and is wide in application range and simple and convenient to operate.

Description

Technical Field

[0001] The utility model relates to the field of detection equipment, in particular to a sealing fixture for air tightness detection with adjustable angle. Background Art

[0002] Air tightness testing is often used to detect whether various plastic parts or metal workpieces have damage, flaws, through holes, slots and other undesirable conditions. When performing air tightness testing, the holes and slots of the product are sealed, and then gas is filled into the sealed cavity to detect the air pressure in the sealed cavity to determine whether there is a leak.

[0003] The existing airtight sealing fixture cannot adjust the angle to adapt to the sealing of through holes at different angles of the workpiece, and the existing sealing fixture uses rubber plugs for sealing, which not only has a small application range but also remains unchanged when replaced. Therefore, a sealing fixture for airtight testing with adjustable angle is needed. Utility Model Content

[0004] The purpose of the utility model is to provide a sealing fixture for airtightness detection with adjustable angle, the airbag can be quickly disassembled and assembled according to detection needs, can adapt to the sealing of holes and grooves of workpieces with different angles, has a wide range of applications, and is simple and convenient to operate.

[0005] In order to achieve the above-mentioned purpose, the utility model provides the following technical solutions: an angle-adjustable sealing fixture for airtightness detection, comprising a bearing seat, a rotating base and an adjusting guide rail, one end of the rotating base is rotatably connected to the bearing seat, the other end of the rotating base is slidably connected to the adjusting guide rail, a positioning groove and an inflation hole are opened in the middle of the rotating base, an airbag is arranged in the positioning groove, a folded edge is arranged at the lower end of the airbag, a clamping cylinder is arranged on both sides of the rotating base, a piston rod of the clamping cylinder passes through the rotating base and is fixedly connected to a pressure plate, a yield groove is arranged in the middle of the pressure plate, the airbag is located in the yield groove, and the folded edge is located between the pressure plate and the rotating base.

[0006] Furthermore, a servo motor and a gear box are arranged beside the bearing seat, and the input end and the output end of the gear box are fixedly connected to the output end of the servo motor and the rotating base respectively.

[0007] Furthermore, an arc groove is formed on the adjusting guide rail, one end of the rotating base is rotatably connected to a roller, and the roller is slidably connected to the arc groove.

[0008] Furthermore, the material of the airbag is rubber, the airbag and the rotating base form a sealed space, and the inflation hole is connected to the sealed space.

[0009] Furthermore, the four corners of the pressure plate are fixedly connected with guide pillars, and the guide pillars are slidably connected to the rotating base.

[0010] The beneficial effects of the utility model are as follows: the airbag can be quickly disassembled and assembled according to the detection needs, and the airbag and the rotating base can be adjusted in angle to adapt to the sealing of holes and grooves of workpieces with different angles, with a wide range of applications and simple and convenient operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 This is a schematic diagram from a first perspective of a sealing fixture for airtightness detection with adjustable angle according to the utility model.

[0012] Figure 2 This is a schematic diagram of a second viewing angle of a sealing fixture for airtightness detection with adjustable angle according to the utility model.

[0013] Figure 3 The utility model is a schematic diagram of an explosion at a rotating base of a sealing fixture for airtightness detection with adjustable angle.

[0014] In the figure: 1. bearing seat; 2. rotating base; 201. positioning groove; 202. inflation hole; 3. adjustment guide rail; 4. air bag; 401. folding edge; 5. clamping cylinder; 6. pressure plate; 601. clearance groove; 7. servo motor; 8. gear box. DETAILED DESCRIPTION

[0015] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0016] refer to Figure 1-Figure 3 An angle-adjustable sealing fixture for air-tightness detection is shown, comprising a bearing seat 1, a rotating base 2 and an adjusting guide rail 3, one end of the rotating base 2 is rotatably connected to the bearing seat 1, and the other end of the rotating base 2 is slidably connected to the adjusting guide rail 3, a positioning groove 201 and an inflation hole 202 are provided in the middle of the rotating base 2, an airbag 4 is arranged in the positioning groove 201, the positioning groove 201 is used to position and place the airbag 4, a folded edge 401 is provided at the lower end of the airbag 4, a clamping cylinder 5 is provided on both sides of the rotating base 2, a piston rod of the clamping cylinder 5 passes through the rotating base 2 and is fixedly connected to a pressing plate 6, a yield groove 601 is provided in the middle of the pressing plate 6, the airbag 4 is located in the yield groove 601, and the folded edge 401 is located between the pressing plate 6 and the rotating base 2.

[0017] A servo motor 7 and a gear box 8 are arranged beside the bearing seat 1. The servo motor 7 cooperates with the gear box 8 to drive the rotating base 2 to flip. The input end and the output end of the gear box 8 are fixedly connected to the output end of the servo motor 7 and the rotating base 2 respectively.

[0018] The adjusting guide rail 3 is provided with an arc groove, one end of the rotating base 2 is rotatably connected with a roller, and the roller is slidably connected with the arc groove. The adjusting guide rail 3 can guide and limit the angle adjustment of the rotating base 2.

[0019] The material of the airbag 4 is rubber. The airbag 4 and the rotating base 2 form a sealed space. The inflation hole 202 is connected to the sealed space. The airbag 4 expands by inflation to seal the hole groove of the workpiece.

[0020] The four corners of the pressing plate 6 are fixedly connected with guide pillars, and the guide pillars are slidably connected to the rotating base 2 , and the guide pillars can guide the sliding of the rotating base 2 .

[0021] The working principle of the utility model is: when the utility model is in use, the piston rod of the pressing cylinder 5 is first extended to place the airbag 4 on the rotating base 2 along the positioning groove 201, and then the piston rod of the pressing cylinder 5 is retracted, and the pressing plate 6 presses the airbag 4. After the installation of the airbag 4 is completed, the rotating base 2 is driven by the servo motor 7 and the gear box 8 to rotate to the angle required for blocking. When blocking, the through hole of the workpiece is placed on the airbag 4, and the airbag 4 is inflated for blocking.

[0022] The above embodiments are used to further illustrate the present invention, but the present invention is not limited to these specific implementations. Any modification, equivalent replacement and improvement made within the spirit and principle of the present invention should be understood to be within the protection scope of the present invention.

Claims

1. An angle-adjustable plugging fixture for airtightness detection, characterized in that: The invention comprises a bearing seat (1), a rotating base (2) and an adjusting guide rail (3), wherein one end of the rotating base (2) is rotatably connected to the bearing seat (1), and the other end of the rotating base (2) is slidably connected to the adjusting guide rail (3), a positioning groove (201) and an inflation hole (202) are provided in the middle of the rotating base (2), an air bag (4) is provided in the positioning groove (201), and a folding edge (401) is provided at the lower end of the air bag (4), a clamping cylinder (5) is provided on both sides of the rotating base (2), a piston rod of the clamping cylinder (5) passes through the rotating base (2) and is fixedly connected to a pressing plate (6), a clearance groove (601) is provided in the middle of the pressing plate (6), the air bag (4) is located in the clearance groove (601), and the folding edge (401) is located between the pressing plate (6) and the rotating base (2).

2. The angle-adjustable plugging fixture for airtightness detection according to claim 1, characterized in that: A servo motor (7) and a gear box (8) are arranged beside the bearing seat (1), and the input end and the output end of the gear box (8) are fixedly connected to the output end of the servo motor (7) and the rotating base (2) respectively.

3. The angle-adjustable plugging fixture for airtightness detection according to claim 1, characterized in that: The adjusting guide rail (3) is provided with an arc groove, one end of the rotating base (2) is rotatably connected to a roller, and the roller is slidably connected to the arc groove.

4. The angle-adjustable plugging fixture for airtightness detection according to claim 1, characterized in that: The material of the airbag (4) is rubber; the airbag (4) and the rotating base (2) form a sealed space; and the inflation hole (202) is in communication with the sealed space.

5. The angle-adjustable plugging fixture for airtightness detection according to claim 1, characterized in that: The four corners of the pressing plate (6) are fixedly connected with guide pillars, and the guide pillars are slidably connected to the rotating base (2).

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