CN217765407U

CN217765407U - Water pressure testing device

Info

Publication number: CN217765407U
Application number: CN202221411865.3U
Authority: CN
Inventors: 林嘉成; 贺国忠; 施旖旎; 贺雪芬
Original assignee: Ningbo Haibo Security Technology Co ltd
Current assignee: Ningbo Haibo Security Technology Co ltd
Priority date: 2022-06-02
Filing date: 2022-06-02
Publication date: 2022-11-08
Anticipated expiration: 2032-06-02

Abstract

The utility model provides a water pressure testing arrangement, which comprises a frame, a workbench, the water tank, a water pump, first joint anchor clamps, the second connects anchor clamps, first driving piece, second driving piece and third driving piece, be equipped with work piece detection station on the workstation, the water tank water inlet connects anchor clamps with the second and is linked together, the water tank delivery port is linked together with the water pump water inlet, the water pump delivery port is linked together with first joint anchor clamps, under the drive of first driving piece and second driving piece, first joint anchor clamps and second joint anchor clamps can clip the work piece of waiting to detect on the work piece detection station and through waiting to detect the inside water storage cavity fluid intercommunication of work piece, the top of work piece detection station is located to the third driving piece, the drive output end of third driving piece can move down to be sealed mutually with water storage cavity top. The water pressure testing device can test porous irregular products such as metal products by replacing different joint clamps and driving pieces, and in addition, when testing similar products, only the first joint clamp and the second joint clamp can be replaced.

Description

Water pressure testing device

Technical Field

The utility model relates to a water pressure testing arrangement.

Background

The explosion-proof acousto-optic detector is a product widely applied to the field of security protection, and the sealing performance of the product needs to be tested because the inside of a shell needs to be isolated from the outside when the explosion-proof acousto-optic detector works. The existing testing device for the sealing performance of the explosion-proof acousto-optic detector usually adopts a water pressure testing method, namely, a pressure maintaining test is carried out by injecting water into a product to be tested. The main defect of the existing water pressure testing device is that the universality is poor, when different products are tested, not only the clamp module needs to be replaced, but also the whole framework of the testing device needs to be changed, and the pressure maintaining function is not provided, if air in the tested product is not emptied and the pressure is maintained in advance, the testing result is inaccurate when the pressure is maintained successfully after pressure drop. In addition, the existing water pressure testing device needs to be powered on when working, water and electricity are used in a mixed mode, electric leakage accidents are easily caused, and the safety is low. In summary, there is a need for further improvement of the existing water pressure testing device.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that to above-mentioned prior art current situation, a water pressure testing arrangement that can test different products through changing different anchor clamps module under the prerequisite that does not change under the overall framework is provided.

The utility model provides a technical scheme that above-mentioned technical problem adopted does: this water pressure testing arrangement, workstation in including the frame and locating the frame, its characterized in that: the workpiece detection device is characterized by further comprising a water tank, a water pump, a first joint clamp, a second joint clamp, a first driving piece, a second driving piece and a third driving piece, wherein a workpiece detection station is arranged on the workbench, the water tank and the water pump are respectively provided with a water inlet and a water outlet, the water inlet of the water tank is communicated with the second joint clamp, the water outlet of the water tank is communicated with the water inlet of the water pump, the water outlet of the water pump is communicated with the first joint clamp, the first joint clamp and the second joint clamp can clamp a workpiece to be detected on the workpiece detection station and are in fluid communication with a water storage cavity in the workpiece to be detected under the driving of the first driving piece and the second driving piece, the third driving piece is arranged above the workpiece detection station, and the driving output end of the third driving piece can move downwards to be sealed with the top of the water storage cavity.

Preferably, the first driving piece is a first cylinder, the second driving piece is a second cylinder, the first cylinder and the second cylinder are respectively arranged at the left side and the right side of the workpiece detection station, the first joint fixture is arranged at the driving output end of the first cylinder, the second joint fixture is arranged at the driving output end of the second cylinder, the third driving piece is a third cylinder, and the sealing plug for sealing the water storage cavity is arranged at the driving output end of the third cylinder.

In order to enable the first air cylinder and the second air cylinder to stably drive the first joint fixture and the second joint fixture to move, it is further preferable that a base plate is installed on the workbench, the workpiece detection station is arranged on the base plate, the first air cylinder and the second air cylinder are installed on the base plate, a first guide rail group and a second guide rail group are further installed on the base plate, the first guide rail group and the second guide rail group are respectively arranged on the left side and the right side of the workpiece detection station, the first joint fixture is installed on the first guide rail group, and the second joint fixture is installed on the second guide rail group.

The third cylinder can have a plurality of mounting structures, and preferably, a support frame is mounted above the workbench, the third cylinder is mounted on the support frame, and a driving output end of the third cylinder faces downwards vertically and is located right above the workpiece detection station.

Further preferably, a pressure release valve is installed on a water path between the second joint clamp and the water inlet of the water tank, the water pump is provided with a water path and air path reversing valve, and an external air source can be switched to be communicated with a water outlet of the water pump through the water path and air path reversing valve. Therefore, after the test is finished, the pressure release valve is opened, the water pump is switched to the air path, and water in the workpiece to be detected can be emptied.

In order to improve the detection efficiency, a positioning plate for positioning the workpiece to be detected is arranged on the workpiece detection station.

The water tank and pump may be mounted in a number of different positions, preferably on the frame and below the table.

In order to improve the use safety, a light curtain is installed on the workbench and is positioned on the front side of the workpiece detection station.

In order to further improve the use safety, a series double-starting switch is arranged on the workbench.

Compared with the prior art, the utility model has the advantages of: the water pressure testing device can be used for testing the sealing performance after the first joint clamp and the second joint clamp are driven to move to be connected with a workpiece to be detected and the workpiece to be detected is sealed through the third driving piece through the first driving piece and the second driving piece, and can be used for testing porous irregular products such as metal products by replacing the first joint clamp, the second joint clamp and the driving pieces which are different. In addition, all functions of the water pressure testing device only need to be connected with an air source without a power supply, and possible electric leakage accidents caused by the mixed use of water and electricity can be avoided.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention.

Detailed Description

The present invention will be described in further detail with reference to the following embodiments.

As shown in fig. 1, the water pressure testing apparatus of this embodiment includes a frame 1, a workbench 2, a water tank 3, a water pump 4, a first joint fixture 5, a second joint fixture 6, a first cylinder 7, a second cylinder 8, a third cylinder 9, a sealing plug 10, a base plate 11, a first guide rail group 12, a second guide rail group 13, a support frame 14, a pressure release valve 15, a positioning plate 16, a light curtain 17, a series double-start switch 18, and other main components.

Wherein, workstation 2 installs in frame 1, and water tank 3 and water pump 4 install in frame 1 and are located the below of workstation 2. The base plate 11 is installed on the workbench 2, the workpiece detection station is arranged on the base plate 11, the positioning plate 16 is installed on the workpiece detection station, the workpiece 19 to be detected is installed on the positioning plate 16, the workpiece to be detected is positioned through the positioning plate 16, and when different workpieces are detected, the corresponding positioning plate 16 needs to be replaced.

The water tank 3 and the water pump 4 are both provided with a water inlet and a water outlet, and a fluid passage is formed inside the first joint clamp 5 and the second joint clamp 6. The water inlet of the water tank 3 is communicated with the outlet of the second joint clamp 6, the water outlet of the water tank 3 is communicated with the water inlet of the water pump 4, and the water outlet of the water pump 4 is communicated with the inlet of the first joint clamp 5. The first air cylinder 7, the second air cylinder 8, the first guide rail group 12 and the second guide rail group 13 are all arranged on the base plate 11. Taking the direction indicated by an arrow A in fig. 1 as the right, the first air cylinder 7 and the first guide rail group 12 are located on the right side of the workpiece detection station, the first joint clamp 5 is mounted on the driving output end of the first air cylinder 7 and can move along the first guide rail group 12, the first air cylinder 7 forms a first driving piece for driving the first joint clamp 5, and the first joint clamp 5 can move left and right under the driving of the first air cylinder 7. The second air cylinder 8 and the second guide rail group 13 are located on the left side of the workpiece detection station, the second joint clamp 6 is installed at the driving output end of the second air cylinder 8 and can move along the second guide rail group 13, the second air cylinder 8 forms a second driving piece for driving the second joint clamp 6, and the second joint clamp 6 can move left and right under the driving of the second air cylinder 8. Under the driving of the first air cylinder 7 and the second air cylinder 8, the first joint clamp 5 and the second joint clamp 6 move oppositely until the outlet of the first joint clamp 5 is connected with the water inlet end of the workpiece 19 to be detected, the inlet of the second joint clamp 6 is connected with the water outlet end of the workpiece 19 to be detected, at the moment, the workpiece 19 to be detected is clamped by the first joint clamp 5 and the second joint clamp 6, and the first joint clamp 5 and the second joint clamp 6 are in fluid communication through the water storage cavity inside the workpiece 19 to be detected.

The support frame 14 is installed above the workbench 2, the third air cylinder 9 is installed on the support frame 14, and the driving output end of the third air cylinder 9 faces downwards vertically and is located right above the workpiece detection station. And a sealing plug 10 is arranged at the driving output end of the third cylinder 9. The third cylinder 19 forms a third driving part, the sealing plug 10 is driven by the third cylinder 9 to move up and down, during detection, the sealing plug 10 moves down and presses on a water storage cavity of the workpiece 19 to be detected, and the sealing plug 10 is sealed with the workpiece 19 to be detected.

In addition, a pressure release valve 15 is installed on a water path between the second joint clamp 6 and the water inlet of the water tank 3, the water pump 4 is provided with a water path air path reversing valve, and an external air source can be switched to be communicated with a water outlet of the water pump 4 through the water path air path reversing valve. After the pressure relief valve 15 is opened, water in the water storage cavity of the workpiece 19 to be detected can flow into the water tank 3.

In order to ensure the use safety, the light curtain 17 and the series double-start switch 18 are installed on the workbench 2 in the embodiment, wherein the light curtain 17 is located at the front side of the workpiece detection station, and the series double-start switch 18 is located at the outer side of the light curtain 17. The operating principle of the light curtain 17 and the series double start switch 18 is of conventional design and will not be described further herein.

In operation, a workpiece 19 to be inspected is first placed on the workpiece inspection station. Then, the first air cylinder 7 drives the first joint clamp 5 to move leftwards to be connected with a water inlet end 191 of the workpiece 19 to be detected, the second air cylinder 8 drives the second joint clamp 6 to move rightwards to be connected with a water outlet end 192 of the workpiece 19 to be detected, and the third air cylinder 9 drives the sealing joint 10 to move downwards to be sealed with the top of the workpiece 19 to be detected; then, the water pump 4 is started, and the water pump 4 pumps the water in the water tank 3 into the water storage cavity of the workpiece 19 to be detected for pressure test; after the pressure test is finished, the pressure release valve 15 is opened, water in the water storage cavity of the workpiece 19 to be detected flows into the water tank 3, a water path air path reversing valve (not shown) is switched, an external air source flows into the water pump 4 and then blows the water storage cavity of the workpiece 19 to be detected, and residual water in the water storage cavity is blown into the water tank 3; finally, the first cylinder 7, the second cylinder 8 and the third cylinder 9 are reset, and the workpiece 19 to be detected is taken away from the workpiece detection station.

In addition, the water pressure testing device of the embodiment also has a pressure supplementing function, when pressure drops due to the fact that residual air is exhausted during pressure maintaining, the pressure can be automatically supplemented to set pressure, and if the pressure does not drop any more after pressure supplementing, the sealing performance of the workpiece to be detected can be confirmed to be good.

The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, the present invention can be modified or improved without departing from the principle of the present invention, and these modifications are all considered to be within the protection scope of the present invention.

Claims

1. The utility model provides a water pressure testing arrangement, includes frame (1) and workstation (2) of locating in the frame, its characterized in that: the workpiece detection device is characterized by further comprising a water tank (3), a water pump (4), a first joint clamp (5), a second joint clamp (6), a first driving piece, a second driving piece and a third driving piece, wherein a workpiece detection station is arranged on the workbench (2), the water tank (3) and the water pump (4) are both provided with a water inlet and a water outlet, the water inlet of the water tank (3) is communicated with the second joint clamp (6), the water outlet of the water tank (3) is communicated with the water inlet of the water pump (4), the water outlet of the water pump (4) is communicated with the first joint clamp (5), the first driving piece and the second driving piece are driven to clamp a workpiece (19) to be detected on the workpiece detection station and are communicated with each other through a water storage cavity inside the workpiece to be detected, the third driving piece is arranged above the workpiece detection station, and the driving output end of the third driving piece can move downwards to be sealed with the top of the water storage cavity.

2. The water pressure testing apparatus according to claim 1, wherein: the first driving piece is first cylinder (7), the second driving piece is second cylinder (8), first cylinder (7) and second cylinder (8) are located respectively the left and right sides of work piece detection station, the drive output at first cylinder (7) is installed in first joint anchor clamps (5), the drive output at second cylinder (8) is installed in second joint anchor clamps (6), the third driving piece is third cylinder (9), and the drive output of third cylinder (9) is installed and is used for sealing sealed end cap (10) in water storage chamber.

3. The water pressure testing apparatus according to claim 2, wherein: install base plate (11) on workstation (2), the work piece detects the station and locates on base plate (11), install first cylinder (7) and second cylinder (8) on base plate (11) still install first guide rail group (12) and second guide rail group (13) on base plate (11), the left and right sides of work piece detection station is located respectively in first guide rail group (12) and second guide rail group (13), first joint anchor clamps (5) are installed on first guide rail group (12), the second connects anchor clamps (6) to install on second guide rail group (13).

4. The water pressure testing apparatus according to claim 2, wherein: a supporting frame (14) is installed above the workbench (2), the third air cylinder (9) is installed on the supporting frame (14), and a driving output end of the third air cylinder (9) faces downwards vertically and is located right above a workpiece detection station.

5. The hydraulic pressure test apparatus as claimed in any one of claims 1 to 4, wherein: a pressure release valve (15) is installed on a water path between the second joint clamp (6) and the water inlet of the water tank (3), the water pump (4) is provided with a water path air path reversing valve, and an external air source can be switched to be communicated with a water outlet of the water pump (4) through the water path air path reversing valve.

6. The hydraulic pressure test apparatus according to any one of claims 1 to 4, wherein: and a positioning plate (16) for positioning the workpiece to be detected is arranged on the workpiece detection station.

7. The hydraulic pressure test apparatus as claimed in any one of claims 1 to 4, wherein: the water tank (3) and the water pump (4) are installed on the rack (1) and are located below the workbench (2).

8. The hydraulic pressure test apparatus according to any one of claims 1 to 4, wherein: install light curtain (17) on workstation (2), light curtain (17) are located the front side of work piece detection station.

9. The hydraulic pressure test apparatus according to any one of claims 1 to 4, wherein: a series double-starting switch (18) is arranged on the workbench (2).