Detection device for detecting air tightness of tool

Abstract

The utility model discloses a detection device for detecting the air tightness of a tool, which comprises a bottom plate, a connecting plate and a connection detection mechanism, the connecting plate is arranged at the top of the bottom plate, the connection detection mechanism is arranged on the bottom plate, and the connection detection mechanism comprises a detection shell. According to the utility model, through mutual cooperation of the detection shell, the air pressure sensor, the pressure gauge, the alarm, the air pump, the air outlet insertion pipe, the first annular sealing block, the fixed plug and the second annular sealing block, air tightness detection can be conveniently carried out on a pipe fitting object, and water is prevented from being used for detection during detection; through mutual cooperation of a servo motor, a threaded rod, a movable plate, a fixed block, an electric push rod, a movable block, a stable block and an arc-shaped clamping block, a detected pipe fitting is conveniently clamped and fixed, the stability during detection is ensured, pipe fittings with different lengths can be detected according to needs, and the applicability during detection is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of air tightness detection, in particular to a detection device for checking the air tightness of tooling. Background Art

[0002] Pipe fittings usually need to be tested for airtightness during processing, so testing tools are needed to test them.

[0003] According to the application number: CN202121769868.X, an air tightness detection device for groove pipe processing includes a water tank, an inner wall on one side of the water tank is rotatably connected to a rotating shaft through a bearing, the end of the rotating shaft passes through the outside of the water tank and is fixed with a turntable, the inner wall on the other side of the water tank is rotatably connected to a locking rod through a bearing, the ends of the rotating shaft and the locking rod are both fixed with locking disks, the adjacent end surfaces of the two locking disks are fixedly connected by a connecting rod, the ends of the two locking disks are both provided with detection devices, and the side wall of the water tank is provided with a limiting device, and the detection device includes a plurality of rotating rods rotatably connected to the side walls of the locking disks through bearings.

[0004] In the above case, the air tightness test is carried out on the pipe fittings through water, which may easily lead to a large amount of water stains on the inside and surface of the pipe fittings. Therefore, the water stains on the pipe fittings need to be wiped clean after the test, which further affects the work efficiency and increases the labor force. It is also inconvenient to test pipe fittings of different lengths. For this reason, we provide a detection device for testing the air tightness of tooling. Utility Model Content

[0005] The utility model aims to provide a detection device for checking the air tightness of tooling, so as to solve the problems raised in the above-mentioned background technology.

[0006] In order to achieve the above-mentioned purpose, the utility model provides the following technical solution: a detection device for testing the air tightness of tooling, comprising:

[0007] Base plate;

[0008] A connecting plate, the connecting plate being mounted on the top of the bottom plate;

[0009] A connection detection mechanism, the connection detection mechanism is arranged on the bottom plate, the connection detection mechanism comprises a detection shell, the detection shell is installed on the top of the bottom plate, and an air pressure sensor is installed on the right side of the inner wall of the detection shell;

[0010] A driving clamping mechanism is arranged inside the detection shell, and the driving clamping mechanism comprises a servo motor, and the servo motor is installed on the left side of the top of the inner wall of the detection shell.

[0011] Preferably, a pressure gauge is installed on the top of the right side of the detection shell, the left side of the pressure gauge penetrates the detection shell and extends into the interior thereof, and an alarm is installed on the bottom of the left side of the detection shell.

[0012] Preferably, an air pump is installed on the connecting plate, an air outlet cannula interconnected with the air pump is installed at the bottom of the air pump, the bottom end of the air outlet cannula penetrates the detection shell and extends to the inside thereof, and a first annular sealing block is installed on the surface of the air outlet cannula.

[0013] Preferably, a threaded rod is installed at the bottom end of the servo motor output shaft, a movable plate is threadedly connected to the surface of the threaded rod, a fixed plug is installed at the top of the movable plate and at a position corresponding to the air outlet pipe, and a second annular sealing block is installed on the surface of the fixed plug and at the top of the movable plate.

[0014] Preferably, two fixed blocks are installed on the top of the movable plate, and electric push rods are installed on opposite sides of the two fixed blocks.

[0015] Preferably, a moving block is installed at one end of the electric push rod away from the fixed block, a stabilizing block is installed at one side of the moving block away from the electric push rod, and an arc-shaped clamping block is installed at one side of the stabilizing block away from the moving block.

[0016] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0017] The utility model facilitates the air tightness detection of pipe fittings through the mutual cooperation of the detection shell, the air pressure sensor, the pressure gauge, the alarm, the air pump, the air outlet cannula, the first annular sealing block, the fixed plug and the second annular sealing block, thereby avoiding the need to use water for detection; through the mutual cooperation of the servo motor, the threaded rod, the movable plate, the fixed block, the electric push rod, the moving block, the stabilizing block and the arc-shaped clamping block, the pipe fitting to be detected is conveniently clamped and fixed, the stability during detection is guaranteed, and pipe fittings of different lengths can be detected as needed, thereby improving the applicability during detection. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0019] Figure 2 It is a structural cross-sectional view of the front view of the utility model;

[0020] Figure 3 It is a structural cross-sectional view of the front view of the connection detection mechanism and the driving clamping mechanism of the utility model;

[0021] Figure 4 It is a three-dimensional structural schematic diagram of the arc-shaped clamping block of the utility model.

[0022] In the figure: 1 bottom plate, 11 connecting plate, 2 connecting detection mechanism, 21 detection shell, 22 air pressure sensor, 23 pressure gauge, 24 alarm, 25 air pump, 26 air outlet cannula, 27 first annular sealing block, 3 driving clamping mechanism, 31 servo motor, 300 threaded rod, 32 movable plate, 33 fixed plug, 34 second annular sealing block, 35 fixed block, 36 electric push rod, 37 moving block, 38 stabilizing block, 39 arc clamping block. DETAILED DESCRIPTION

[0023] 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.

[0024] See also Figure 1-4 A detection device for checking the air tightness of tooling includes: a base plate 1 and a connecting plate 11, and the connecting plate 11 is installed on the top of the base plate 1.

[0025] A connection detection mechanism 2 is arranged on the base plate 1. The connection detection mechanism 2 includes a detection shell 21, which is installed on the top of the base plate 1. The front of the detection shell 21 is movably connected to a sealing door through a hinge, and the sealing door and the detection shell 21 are connected by a lock. An air pressure sensor 22 is fixedly connected to the right side of the inner wall of the detection shell 21, and a pressure gauge 23 is fixedly connected to the top of the right side of the detection shell 21. The left side of the pressure gauge 23 penetrates the detection shell 21 and extends to the inside thereof. An alarm 24 is fixedly connected to the bottom of the left side of the detection shell 21, and an air pump 25 is fixedly connected to the connecting plate 11. The bottom of the air pump 25 is fixedly connected to an air outlet pipe 26 which is interconnected with the air pump 25. The bottom end of the air outlet pipe 26 penetrates the detection shell 21 and extends to the inside thereof, and the surface of the air outlet pipe 26 is fixedly connected to a first annular sealing block 27.

[0026] A driving clamping mechanism 3 is arranged inside the detection shell 21, including a servo motor 3 including a servo motor 31. The servo motor 31 is installed on the left side of the top of the inner wall of the detection shell 21. The bottom end of the output shaft of the servo motor 31 is fixedly connected with a threaded rod 300. The surface of the threaded rod 300 is threadedly connected with a movable plate 32. The left and right sides of the movable plate 32 are respectively in sliding contact with the inner wall of the detection shell 21. A fixed plug 33 is fixedly connected to the top of the movable plate 32 and corresponds to the position of the air outlet cannula 26. A second annular sealing block 34 is fixedly connected to the surface of the fixed plug 33 and located at the top of the movable plate 32. Two fixed blocks 35 are fixedly connected to the top of the movable plate 32. An electric push rod 36 is fixedly connected to the opposite sides of the two fixed blocks 35. A moving block 37 is fixedly connected to the end of the electric push rod 36 away from the fixed block 35. A stabilizing block 38 is fixedly connected to the side of the moving block 37 away from the electric push rod 36. An arc-shaped clamping block 39 is fixedly connected to the side of the stabilizing block 38 away from the moving block 37.

[0027] Furthermore, a controller is installed on the left side of the detection shell 21, and the servo motor 31, the electric push rod 36, the air pressure sensor 22, the pressure gauge 23, the alarm 24 and the air pump 25 are electrically connected to the controller respectively.

[0028] By cooperating with each other, the detection shell 21, the air pressure sensor 22, the pressure gauge 23, the alarm 24, the air pump 25, the air outlet tube 26, the first annular sealing block 27, the fixed plug 33 and the second annular sealing block 34, it is convenient to perform air tightness detection on the pipe object, avoiding the need to use water for detection.

[0029] Through the mutual cooperation of the servo motor 31, the threaded rod 300, the movable plate 32, the fixed block 35, the electric push rod 36, the moving block 37, the stabilizing block 38 and the arc-shaped clamping block 39, it is convenient to clamp and fix the pipe fittings to be tested, thereby ensuring the stability during testing, and testing pipe fittings of different lengths can be performed as needed, thereby improving the applicability during testing.

[0030] When in use, open the sealing door, place the pipe workpiece on the top of the second annular sealing block 34, so that the fixed plug 33 is inserted into the circular workpiece, and then start the electric push rod 36, which drives the arc clamping block 39 to move close to the circular workpiece, so that the arc clamping block 39 clamps and fixes the two sides of the circular workpiece, and then start the servo motor 31 according to the length of the workpiece, and the servo motor 31 drives the threaded rod 300 to rotate through the output shaft, and the threaded rod 300 drives the movable plate 32 to move upward, and the movable plate 32 drives the workpiece to move upward, so that the air outlet tube 26 is inserted into the interior of the circular workpiece, so that the first annular sealing block 27 contacts the top of the circular workpiece, and the two ends of the circular workpiece are sealed by the first annular sealing block 27 and the second annular sealing block 34.

[0031] Start the air pump 25 so that the air outlet tube 26 transmits gas into the pipe fitting, which is detected by the air pressure sensor 22. When there is air leakage in the pipe fitting, the air pressure in the detection shell 21 will increase. The air pressure sensor 22 transmits the detected signal to the controller, and the controller starts the alarm 24 to sound an alarm. At the same time, the air pressure inside the detection shell 21 can also be observed through the pressure gauge 23.

[0032] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A detection device for checking the air tightness of tooling, characterized in that: include: Bottom plate (1); A connecting plate (11), the connecting plate (11) being mounted on the top of the base plate (1); A connection detection mechanism (2), the connection detection mechanism (2) being arranged on the bottom plate (1), the connection detection mechanism (2) comprising a detection shell (21), the detection shell (21) being mounted on the top of the bottom plate (1), and an air pressure sensor (22) being mounted on the right side of the inner wall of the detection shell (21); A driving clamping mechanism (3) is arranged inside the detection shell (21), and the driving clamping mechanism (3) comprises a servo motor (31), and the servo motor (31) is installed on the left side of the top of the inner wall of the detection shell (21).

2. A detection device for checking the air tightness of tooling according to claim 1, characterized in that: A pressure gauge (23) is installed at the top of the right side of the detection shell (21), the left side of the pressure gauge (23) penetrates the detection shell (21) and extends into the interior thereof, and an alarm (24) is installed at the bottom of the left side of the detection shell (21).

3. A detection device for checking the air tightness of tooling according to claim 2, characterized in that: An air pump (25) is installed on the connecting plate (11), and an air outlet cannula (26) which is in communication with the air pump (25) is installed at the bottom of the air pump (25), the bottom end of the air outlet cannula (26) penetrates the detection shell (21) and extends to the inside thereof, and a first annular sealing block (27) is installed on the surface of the air outlet cannula (26).

4. A detection device for checking the air tightness of tooling according to claim 3, characterized in that: A threaded rod (300) is installed at the bottom end of the output shaft of the servo motor (31), and a movable plate (32) is threadedly connected to the surface of the threaded rod (300). A fixed plug (33) is installed at the top of the movable plate (32) and at a position corresponding to the air outlet pipe (26). A second annular sealing block (34) is installed on the surface of the fixed plug (33) and at the top of the movable plate (32).

5. The device for testing the air tightness of tooling according to claim 4, characterized in that: Two fixed blocks (35) are installed on the top of the movable plate (32), and electric push rods (36) are installed on opposite sides of the two fixed blocks (35).

6. A detection device for checking the air tightness of tooling according to claim 5, characterized in that: A moving block (37) is installed at one end of the electric push rod (36) away from the fixed block (35), a stabilizing block (38) is installed at one side of the moving block (37) away from the electric push rod (36), and an arc-shaped clamping block (39) is installed at one side of the stabilizing block (38) away from the moving block (37).

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