Automatic cleaning device for permeation test block

Abstract

The utility model discloses an automatic permeation test block cleaning device which comprises a tank body, a spraying cavity is arranged in the tank body, a lifting platform is arranged in the spraying cavity, a clamp used for clamping a test block is arranged on the lifting platform, a spraying head is installed on the side wall of the spraying cavity through a thread adjusting structure, and the spraying head is connected with the lifting platform. The thread adjusting structure is used for adjusting the transverse distance between the spraying head and the lifting table, and cleaning liquid is supplied to the spraying head through a pressure adjusting pump. The permeation test block cleaning device improves the permeation test block cleaning efficiency and cleaning effect.

Description

Technical Field

[0001] The utility model relates to the field of fluorescent penetrant testing, in particular to an automatic cleaning device for a penetrant test block. Background Art

[0002] Penetrant test blocks are a test tool used for penetrant testing and are widely used in aerospace, automotive, shipbuilding, chemical and other fields. They are mainly used to detect surface defects, corrosion, fatigue, etc. of metal materials, and are used for quality monitoring and damage assessment of product production processes.

[0003] Standard test blocks mainly include three types: A, B, and C. Standard test blocks are precisely manufactured and costly, and usually need to be reused. In order to avoid surface scratches on standard test blocks during cleaning and storage, which may cause them to be scrapped, a penetrating test block cleaning device is needed. Traditional penetrating test block cleaning requires staff to manually fix the test block on a fixture and then use a nozzle to spray it. The relative position of the nozzle and the test block is fixed, and the cleaning of each area of the test block cannot be adjusted in real time according to the water pressure and water temperature. It is also impossible to observe the cleaning status of each area of the test block from multiple angles in real time, resulting in long cleaning time and poor cleaning effect. At the same time, a single fixing fixture cannot adapt to the clamping of test blocks of different sizes, affecting the adaptability of test block cleaning. Utility Model Content

[0004] In view of the above-mentioned defects in the prior art, the task of the present utility model is to provide an automatic cleaning device for a penetration test block, so as to solve the problem that the nozzle distance and cleaning pressure cannot be adjusted according to the cleaning conditions of each area of the test block during the cleaning of the penetration test block.

[0005] The technical solution of the utility model is as follows: An automatic cleaning device for a penetration test block, comprising a trough body, a spray chamber provided in the trough body, a lifting platform provided in the spray chamber, a clamp for clamping the test block provided on the lifting platform, a spray head installed on the side wall of the spray chamber through a threaded adjustment structure, the threaded adjustment structure is used to adjust the lateral distance between the spray head and the lifting platform, and the spray head is supplied with cleaning liquid by a pressure regulating pump.

[0006] Furthermore, a motor and a rack and pinion transmission device are provided in the tank body, and the motor drives the lifting platform to move up and down through the rack and pinion transmission device.

[0007] Furthermore, a liquid storage chamber is provided below the spray chamber, and the cleaning waste liquid discharged from the spray chamber enters the liquid storage chamber.

[0008] Furthermore, in order to save equipment space, the liquid storage cavity is arranged at the bottom of the tank body.

[0009] Furthermore, the spray heads are arranged on the left and right sides of the spray chamber.

[0010] Furthermore, in order to facilitate observation of the cleaning status during the cleaning process, the top of the spray chamber is open and a transparent box cover is provided on the top of the trough body.

[0011] Furthermore, the box cover includes a first flip cover part and a second flip cover part, one side of the first flip cover part is connected to the top of the trough body through a hinge, and the other side of the first flip cover part is connected to the second flip cover part through a hinge.

[0012] Furthermore, in order to adapt to the clamping of penetration test blocks of different sizes, the clamp includes a base, a column, a pressure plate, a movable splint, a spring and a pull rod. The columns are arranged on both sides of the base, and an upper slide rail and a lower slide rail are provided between the columns. The two movable splints are arranged to move along the upper slide rail and the lower slide rail. The head end of the pull rod passes through the column, and the tail end of the pull rod is connected to the movable splint. The pressure plate is used to control the movement of the head end of the pull rod, and the spring is arranged between the movable splint and the column.

[0013] Furthermore, the spring is sleeved on the pull rod, the pressure plate is hinged to the column, the head end of the pressure plate is connected to the head end of the pull rod, and when the tail end of the pressure plate is pressed, the head end of the pull rod is pulled and the spring is compressed.

[0014] The advantages of this utility model compared with the prior art are:

[0015] By using a laterally adjustable spray head in conjunction with a lifting platform, the distance and position angle between the spray head and the lifting platform can be adjusted according to the actual cleaning effect, thereby improving the cleaning effect.

[0016] The spray box with a top opening and the transparent box cover on the trough body can observe the cleaning status of the test block in real time so as to adjust the cleaning parameters in time to achieve the best cleaning effect. The first flip cover and the second flip cover connected by a hinge are further used to facilitate opening the box cover while saving space and facilitating operation.

[0017] The pressure plate is used to control the opening of the movable clamping plate, and the elastic force of the spring is used to clamp the test block to meet the clamping requirements of test blocks of different sizes. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 Schematic diagram of the three-dimensional structure of the penetration test block cleaning device of the embodiment.

[0019] Figure 2 It is a schematic diagram of a top view of the cross-section structure of the penetration test block cleaning device of the embodiment.

[0020] Figure 3 Schematic diagram of the thread adjustment structure.

[0021] Figure 4Schematic diagram of the structure of the fixture used to clamp the test block. DETAILED DESCRIPTION

[0022] The present invention will be further described below with reference to the embodiments, but they are not intended to limit the present invention.

[0023] Please combine Figures 1 to 3 As shown, the present embodiment involves an automatic cleaning device for a permeation test block, comprising a tank body 1, which is a cavity with an opening at the top. In order to facilitate observation of the internal cleaning condition, an openable box cover is installed on the top of the tank body 1. The specific box cover comprises a first flip cover portion 7a and a second flip cover portion 7b, one side of the first flip cover portion 7a is connected to the fixed component at the top of the tank body 1 by a hinge, and the other side of the first flip cover portion 7a is connected to the second flip cover portion 7b by a hinge. By folding the first flip cover portion 7a and the second flip cover portion 7b so that the two are overlapped, the top of the tank body 1 can be fully opened. The first flip cover portion and the second flip cover portion are made of plexiglass, and in the closed state, the cleaning condition of the test block in the tank body can be observed.

[0024] The tank body 1 is mainly provided with a liquid storage chamber 2 and a spray chamber 4. The liquid storage chamber 2 is located at the bottom of the tank body 1, and the spray chamber 4 is located above the liquid storage chamber 2. The bottom of the spray chamber 4 is connected to the liquid storage chamber 2 via a pipeline. The liquid storage chamber 2 collects the cleaning waste liquid flowing out of the spray chamber 4. A partition 3 is installed in the middle of the liquid storage chamber 2, and a filter device is provided on the partition 3 to filter the clean waste liquid. In some embodiments, a drainage hole is provided at the bottom of the spray chamber 4, and the top of the liquid storage chamber 2 is configured as an open structure. The cleaning waste liquid flowing out of the bottom of the spray chamber 4 can directly enter the liquid storage chamber 2.

[0025] Spray heads 10a and 10b are installed on both sides of the spray chamber 4. The spray heads 10a and 10b are installed on the side walls of the spray chamber 4 via telescopic positioning devices 9a and 9b. The telescopic positioning devices 9a and 9b are used to adjust the lateral positions of the spray heads 10a and 10b within the spray chamber 4, respectively. In this embodiment, the telescopic positioning devices 9a and 9b are threaded adjustment structures, which include a looper 901. The looper 901 is provided on the rear end connecting pipe of the spray heads 10a and 10b. The looper 901 is processed with an external thread on its circumference, and a threaded hole is provided in the side wall 4a of the spray chamber 4. The looper 901 cooperates with the threaded hole. By twisting the looper 901, the position of the looper 901 can be adjusted, thereby adjusting the position of the spray heads 10a and 10b.

[0026] The spray heads 10a and 10b are connected to the pressure regulating pump 8 through pipelines. An electric pressure regulating valve and an electric heater (not shown in the figure) can be set on the pipeline to adjust the cleaning pressure and cleaning temperature. Corresponding pressure control panels 5a and 5b and temperature control panels 6a and 6b can be set on the top of the tank body 1 to feedback and control the cleaning pressure and cleaning temperature.

[0027] A lifting platform 13 is provided in the spray chamber 4 , and the lifting platform 13 is connected to the motor 12 through a gear rack transmission device 11 . The function of the lifting platform 13 is to place the cleaning test block, and the function of the motor 12 is to adjust the up and down position of the lifting platform 13 through the gear rack transmission device 11 .

[0028] Please combine again Figure 4 As shown, a fixture for holding the test block is provided on the lifting platform 13. The fixture includes a base 14, with columns 17a and 17b disposed on either side of the base. An upper rail 20 is disposed between the top ends of the columns 17a and 17b, and a lower rail 21 is disposed between the bottom ends of the columns 17a and 17b. Movable clamps 19a and 19b are disposed between the upper rail 20 and the lower rail 21 and move toward or away from each other along the upper rail 20 and the lower rail 21. Pull rods 16a and 16b are provided on the movable clamps 19a and 19b, respectively, with the tips of the pull rods 16a and 16b extending through the columns 17a and 17b. Posts 17a and 17b are hingedly connected to pressure rods 15a and 15b, respectively. The tips of these rods are connected to the tips of pull rods 16a and 16b. Pressing the tails of these rods causes the tips of the pull rods 16a and 16b to move toward each other, driving movable clamps 19a and 19b to move away from each other. Springs 18a and 18b are positioned between movable clamps 19a and 19b and posts 17a and 17b, specifically sleeved over pull rods 16a and 16b. When the tails of these rods are released, springs 18a and 18b cause movable clamps 19a and 19b to move relative to each other to clamp the test block. This allows the movable clamps 19a and 19b to move and adjust the opening distance, enabling the clamping of test blocks of varying specifications.

Claims

1. An automatic cleaning device for a permeation test block, comprising a tank body, wherein a spray chamber is provided in the tank body, characterized in that: A lifting platform is provided in the spray chamber, and a clamp for clamping the test block is provided on the lifting platform. A spray head is installed on the side wall of the spray chamber through a threaded adjustment structure. The threaded adjustment structure is used to adjust the lateral distance between the spray head and the lifting platform. The spray head is supplied with cleaning liquid by a pressure regulating pump.

2. The automatic cleaning device for permeation test blocks according to claim 1, characterized in that: A motor and a rack and pinion transmission device are provided in the tank body, and the motor drives the lifting platform to move up and down through the rack and pinion transmission device.

3. The automatic cleaning device for permeation test blocks according to claim 1, characterized in that: A liquid storage chamber is provided below the spray chamber, and the cleaning waste liquid discharged from the spray chamber enters the liquid storage chamber.

4. The automatic cleaning device for permeation test blocks according to claim 3, characterized in that: The liquid storage cavity is arranged at the bottom of the tank body.

5. The automatic cleaning device for permeation test blocks according to claim 1, characterized in that: The spray heads are arranged on the left and right sides of the spray chamber.

6. The automatic cleaning device for permeation test blocks according to claim 1, characterized in that: The top of the spray chamber is open, and the top of the trough body is provided with a transparent box cover.

7. The automatic cleaning device for permeation test blocks according to claim 6, characterized in that: The box cover includes a first flip cover part and a second flip cover part. One side of the first flip cover part is connected to the top of the trough body through a hinge, and the other side of the first flip cover part is connected to the second flip cover part through a hinge.

8. The automatic cleaning device for permeation test blocks according to claim 1, characterized in that: The clamp includes a base, a column, a pressure plate, a movable splint, a spring and a pull rod. The columns are arranged on both sides of the base. An upper slide rail and a lower slide rail are provided between the columns. The two movable splints are arranged to move along the upper slide rail and the lower slide rail. The head end of the pull rod passes through the column, and the tail end of the pull rod is connected to the movable splint. The pressure plate is used to control the movement of the head end of the pull rod. The spring is arranged between the movable splint and the column.

9. The automatic cleaning device for permeation test blocks according to claim 8, characterized in that: The spring is sleeved on the pull rod, the pressure plate is hinged to the column, the head end of the pressure plate is connected to the head end of the pull rod, and when the tail end of the pressure plate is pressed, the head end of the pull rod is pulled and the spring is compressed.

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