Workpiece sealing performance detection device

Abstract

The utility model relates to the technical field of workpiece processing auxiliary equipment, in particular to a workpiece sealing performance detection device, which comprises a sealing performance detection groove, a sealing mechanism and an air inlet pipe, the sealing performance detection groove is filled with water, the sealing mechanism is positioned in the sealing performance detection groove, and the sealing mechanism comprises a plurality of sealing parts and a plurality of air inlet pipes, the multiple sealing parts are used for sealing the communicating holes in all the surfaces of the workpiece correspondingly, and the air inlet pipe communicates with the air inlet holes of the workpiece so as to introduce air into the workpiece. According to the utility model, the communication hole of the workpiece is sealed through the sealing mechanism, the workpiece is placed in water for sealing detection, air is introduced into the workpiece flow channel through the workpiece air inlet, and whether bubbles are generated in water is observed, so that the sealing performance of the workpiece is judged, and whether the sealing performance of the workpiece is good or not can be visually observed. The detection efficiency and the detection effect of workpiece sealing performance detection can be improved.

Description

Technical Field

[0001] This utility model relates to the field of auxiliary equipment for workpiece processing, and in particular to a workpiece sealing detection device. Background Technology

[0002] Many workpieces (e.g., engine blocks, motor housings) often have multiple flow channels inside, through which the medium flowing is required for the normal operation of the workpiece. If the workpiece has a sealing problem, the medium inside its flow channels will leak, causing the workpiece to malfunction due to pressure drop and insufficient flow. Therefore, we urgently need a workpiece sealing detection device to test the workpiece's sealing performance.

[0003] Currently, the sealing performance of workpieces is tested manually. This involves manually plugging all the connecting holes of the workpiece with sealing plugs, introducing gas into the flow channels of the workpiece, and then manually judging the sealing performance by touching various parts of the workpiece. However, the manual testing method requires the installation and removal of sealing plugs, which affects the testing efficiency of workpiece sealing performance. In addition, the method of sensing by touch will affect the testing efficiency and test results of workpiece sealing performance. Utility Model Content

[0004] In response to the shortcomings of the existing production technology, the applicant provides a workpiece sealing performance testing device. Through improvements to the structure of the sealing performance testing device, automatic detection of workpiece sealing performance can be achieved, thereby improving the detection efficiency and effectiveness of workpiece sealing performance testing.

[0005] The technical solution adopted in this utility model is as follows:

[0006] A sealing performance testing device for a workpiece includes: a sealing performance testing tank, a sealing mechanism, and an air inlet pipe. The sealing performance testing tank is filled with water. The sealing mechanism is located inside the sealing performance testing tank and includes: multiple sealing parts, which respectively seal the connecting holes on various surfaces of the workpiece. The air inlet pipe is connected to the air inlet of the workpiece to introduce gas into the workpiece.

[0007] Therefore, by sealing the connecting holes of the workpiece through a sealing mechanism and placing the workpiece in water for sealing performance testing, this method is simple in structure and easy to operate compared to existing manual testing methods. Air is introduced into the workpiece flow channel through the workpiece air inlet, and the presence of air bubbles in the water is observed to determine the sealing performance of the workpiece. This allows for a direct observation of whether the workpiece is properly sealed, thus improving the testing efficiency and effectiveness of workpiece sealing performance testing. Furthermore, sealing the connecting holes on the workpiece surface through the sealing part further enhances the testing efficiency of workpiece sealing performance testing.

[0008] As a further improvement to the above technical solution: the sealing mechanism further includes a connecting part and a plurality of first adjusting rods. The connecting part is located on the side of the sealing part away from the workpiece. The first adjusting rods pass through the connecting part and are threadedly connected to the connecting part. One end of the first adjusting rod is inserted into the sealing part and rotatably connected to the sealing part. The first adjusting rods are used to adjust the distance between the sealing part and the connecting part. Thus, by rotating the first adjusting rods, the sealing part moves closer to the workpiece, sealing the connecting hole on the workpiece surface with the sealing plug. On the one hand, compared to installing sealing plugs one by one, this method can significantly improve the detection efficiency of workpiece sealing performance testing. On the other hand, the sealing plugs installed in this way will not fall off without external force rotating the first adjusting rod, further improving the detection effect of workpiece sealing performance testing.

[0009] As a further improvement to the above technical solution: the connecting part includes an upper connecting block, a side connecting block, and a lower connecting block. The upper connecting block and the side connecting block are connected by bolts, and the lower connecting block is connected to the side connecting block. A plurality of first adjusting rods pass through the upper connecting block, the side connecting block, and the lower connecting block, respectively, and are threadedly connected to each of the three connecting blocks. Thus, the upper connecting block and the side connecting block are connected by bolts, allowing for a detachable connection between the upper connecting block and the side connecting block, facilitating the installation and removal of the workpiece to be tested for sealing performance.

[0010] As a further improvement to the above technical solution: a plurality of sealing plugs are provided on the side of the sealing part near the workpiece, the sealing plugs are disposed opposite to the communicating holes on the surface of the workpiece, and the sealing plugs are adapted to the communicating holes on the surface of the workpiece.

[0011] As a further improvement to the above technical solution, the sealing mechanism further includes a support block, and the lower connecting block is connected to the support block.

[0012] As a further improvement to the above technical solution, the system also includes: a second adjusting rod, which passes through the support block and is threadedly connected to it. The second adjusting rod is rotatably connected to the air inlet pipe. The second adjusting rod is used to adjust the distance between the support block and the outlet end of the air inlet pipe, thereby facilitating the installation and removal of the air inlet pipe from the workpiece's air inlet. Thus, the second adjusting rod facilitates the installation and removal of the air inlet pipe relative to the workpiece. Furthermore, this method ensures that the air inlet pipe will not detach from the workpiece's air inlet.

[0013] As a further improvement to the above technical solution: an installation block is provided at the outlet end of the air intake pipe, and the installation block is rotatably connected to the second adjusting rod.

[0014] As a further improvement to the above technical solution: a sealing ring is also provided at the outlet end of the air inlet pipe, a first valve is connected in series with the air inlet pipe, and an air pump is provided at the inlet end of the air inlet pipe. Thus, the sealing ring improves the sealing effect between the air inlet pipe and the workpiece's air inlet, ensuring that air does not leak out from the connection between the air inlet pipe and the workpiece's air inlet. The air pump is started and turned on, and air is injected into the workpiece through the air inlet pipe. After a period of time, it is observed whether bubbles are generated in the water. If no bubbles are generated, the workpiece's sealing performance is good, and the workpiece is qualified. If bubbles are generated, the workpiece's sealing performance is poor, indicating a leakage point, and the workpiece is unqualified.

[0015] As a further improvement to the above technical solution: the bottom of the sealing test tank is provided with an installation groove, and the support block is installed into the installation groove. Thus, the installation groove limits the position of the support block, ensuring that the entire sealing mechanism will not shake within the water-filled sealing test tank. This allows the workpiece to remain stable, further improving the sealing performance of the workpiece.

[0016] As a further improvement to the above technical solution: a drain pipe is provided at the bottom of the sealing test tank, and a second valve is connected in series with the drain pipe. Thus, opening the second valve allows water in the sealing test tank to be discharged through the drain pipe.

[0017] The beneficial effects of this utility model are as follows:

[0018] By sealing the connecting holes of the workpiece through a sealing mechanism and then placing the workpiece in water for sealing performance testing, this method is simpler in structure and easier to operate than existing manual testing methods. Air is introduced into the workpiece flow channel through the workpiece air inlet, and the presence of air bubbles in the water is observed to determine the workpiece's sealing performance. This allows for a direct observation of whether the workpiece's sealing performance is good, thus improving the efficiency and effectiveness of workpiece sealing performance testing. Furthermore, sealing the connecting holes on the workpiece surface through the sealing part further enhances the efficiency of workpiece sealing performance testing.

[0019] This utility model also has the following advantages:

[0020] 1. This utility model allows the sealing part to move closer to the workpiece by rotating the first adjusting rod, thereby sealing the connecting hole on the surface of the workpiece with the sealing plug. On the one hand, compared with installing the sealing plugs one by one, this method can greatly improve the detection efficiency of workpiece sealing performance testing. On the other hand, the sealing plugs installed in this way will not fall off without external force rotating the first adjusting rod, which can further improve the detection effect of workpiece sealing performance testing.

[0021] 2. This utility model can improve the sealing effect between the air inlet pipe and the workpiece air inlet hole by using a sealing ring, so as to ensure that air will not leak out from the connection between the air inlet pipe and the workpiece air inlet hole.

[0022] 3. This utility model uses the mounting groove to limit the support block, so as to ensure that the entire sealing mechanism will not shake in the water-filled sealing test tank. In this way, the workpiece can remain stable, thereby further improving the detection effect of workpiece sealing. Attached Figure Description

[0023] Figure 1 This is a schematic diagram of the workpiece sealing performance testing device of this utility model;

[0024] Figure 2 This is an exploded view of the workpiece sealing performance testing device of this utility model;

[0025] Figure 3 This is a schematic diagram of the installation of the sealing mechanism and the air inlet pipe of this utility model;

[0026] Figure 4 This is a schematic diagram of the sealing mechanism of the workpiece according to the present invention;

[0027] Figure 5 This is a schematic diagram of the installation of the sealing part and the side connecting block of this utility model;

[0028] Figure 6 This is a schematic diagram of the air intake pipe of this utility model;

[0029] Figure 7 This is a cross-sectional view of the sealing performance testing groove of this utility model.

[0030] Among them: 1. Sealing test groove;

[0031] 101. Mounting slot; 102. Drain pipe; 103. Second valve;

[0032] 2. Sealing mechanism;

[0033] 201. Sealing part; 2011. Sealing plug; 202. Connecting part; 2021. Upper connecting block; 2022. Side connecting block; 2023. Lower connecting block; 203. First adjusting rod; 204. Support block;

[0034] 3. Air intake pipe;

[0035] 301. Mounting block; 302. Sealing ring; 303. First valve;

[0036] 4. Second adjusting rod. Detailed Implementation

[0037] The specific embodiments of this utility model are described below with reference to the accompanying drawings.

[0038] like Figures 1 to 7 The diagram shows the preferred embodiment of this utility model. The workpiece sealing performance testing device of this embodiment includes: a sealing performance testing tank 1, a sealing mechanism 2, and an air inlet pipe 3. The sealing performance testing tank 1 is filled with water. The sealing mechanism 2 is located inside the sealing performance testing tank 1 and includes multiple sealing parts 201. Each sealing part 201 seals the connecting holes on each surface of the workpiece. The air inlet pipe 3 is connected to the air inlet of the workpiece to introduce gas into the workpiece. Thus, by sealing the connecting holes of the workpiece through the sealing mechanism 2 and placing the workpiece in water for sealing performance testing, compared to existing manual testing methods, this method has a simpler structure and is easier to operate. Air is introduced into the workpiece flow channel through the workpiece air inlet, and the presence of air bubbles in the water is observed to determine the workpiece's sealing performance. This allows for a direct observation of whether the workpiece's sealing performance is good, thereby improving the testing efficiency and effectiveness of workpiece sealing performance testing. Furthermore, sealing the connecting holes on the workpiece surface through the sealing parts 201 further improves the testing efficiency of workpiece sealing performance testing.

[0039] In other words, if bubbles are generated in the water, the sealing performance of the workpiece surface is poor. This method of detecting the sealing performance of the workpiece is more intuitive. Such judgment can greatly reduce the detection error of the workpiece sealing performance and improve the detection effect of the workpiece sealing performance.

[0040] In this embodiment, the sealing mechanism 2 further includes: a connecting part 202, a plurality of first adjusting rods 203, and a support block 204. The connecting part 202 is located on the side of the sealing part 201 away from the workpiece. The first adjusting rods 203 pass through the connecting part 202 and are threadedly connected to the connecting part 202. One end of the first adjusting rod 203 is inserted into the sealing part 201 and is rotatably connected to the sealing part 201. The first adjusting rod 203 is used to adjust the distance between the sealing part 201 and the connecting part 202. The lower connecting block 2023 is connected to the support block 204. The connecting part 202 includes: an upper connecting block 2021 and a side connecting block 204. 22 and lower connecting block 2023, upper connecting block 2021 and side connecting block 2022 are connected by bolts, lower connecting block 2023 is connected to side connecting block 2022, multiple first adjusting rods 203 pass through upper connecting block 2021, side connecting block 2022 and lower connecting block 2023 respectively, and are threadedly connected to the upper connecting block 2021, side connecting block 2022 and lower connecting block 2023 respectively; multiple sealing plugs 2011 are provided on the side of the sealing part 201 near the workpiece, the sealing plugs 2011 are opposite to the communicating holes on the surface of the workpiece, and the sealing plugs 2011 are adapted to the communicating holes on the surface of the workpiece. Therefore, by rotating the first adjusting rod 203, the sealing part 201 moves closer to the workpiece, and the connecting hole on the surface of the workpiece is sealed by the sealing plug 2011. On the one hand, compared with installing the sealing plugs 2011 one by one, this method can greatly improve the detection efficiency of workpiece sealing test. On the other hand, the sealing plugs 2011 installed in this way will not fall off without external force rotating the first adjusting rod 203, which can further improve the detection effect of workpiece sealing test. The upper connecting block 2021 and the side connecting block 2022 are connected by bolts, so that the upper connecting block 2021 and the side connecting block 2022 are detachably connected to facilitate the installation and removal of the workpiece to be sealed.

[0041] In this embodiment, the system further includes a second adjusting rod 4, which passes through the support block 204 and is threadedly connected to it. The second adjusting rod 4 is rotatably connected to the air inlet pipe 3. The second adjusting rod 4 is used to adjust the distance between the support block 204 and the outlet end of the air inlet pipe 3, so as to realize the installation and removal of the air inlet pipe 3 from the workpiece air inlet. Thus, the second adjusting rod 4 facilitates the installation and removal of the air inlet pipe 3 relative to the workpiece. In addition, this method also ensures that the air inlet pipe 3 will not fall off the workpiece air inlet.

[0042] In this embodiment, an installation block 301 is provided at the outlet end of the air inlet pipe 3, and the installation block 301 is rotatably connected to the second adjusting rod 4; a sealing ring 302 is also provided at the outlet end of the air inlet pipe 3, a first valve 303 is connected in series with the air inlet pipe 3, and an air pump (not shown in the figure) is provided at the inlet end of the air inlet pipe 3. Thus, the sealing effect between the air inlet pipe 3 and the workpiece air inlet hole can be improved by the sealing ring 302, so as to ensure that air will not leak out from the connection between the air inlet pipe 3 and the workpiece air inlet hole; the air pump is started and turned on, and air is injected into the workpiece through the air inlet pipe 3. After a period of time, observe whether there are bubbles in the water. If there are no bubbles, the workpiece to be tested for sealing performance has good sealing performance and is qualified. If there are bubbles, the workpiece to be tested for sealing performance has poor sealing performance and there is a leakage point, and the workpiece is unqualified.

[0043] In this embodiment, a mounting groove 101 is provided at the bottom of the sealing test tank 1, and the support block 204 is installed in the mounting groove 101. Thus, the support block 204 is limited by the mounting groove 101 to ensure that the entire sealing mechanism 2 will not shake in the sealing test tank 1 filled with water. In this way, the workpiece can remain stable, thereby further improving the detection effect of the workpiece sealing.

[0044] In this embodiment, a drain pipe 102 is provided at the bottom of the sealing test tank 1, and a second valve 103 is connected in series with the drain pipe 102. Thus, by opening the second valve 103, the water in the sealing test tank 1 can be discharged through the drain pipe 102.

[0045] The testing process for workpiece sealing performance of this utility model is as follows: First, loosen the bolts by rotating to remove the upper connecting block 2021, place the workpiece inside the side connecting block 2022, and then tighten the bolts by rotating to connect the upper connecting block 2021 and the side connecting block 2022; next, rotate the first adjusting rod 203 to move the sealing part 201 closer to the workpiece, so that the sealing plug 2011 is inserted into the communicating hole on the surface of the workpiece; then, rotate the second adjusting rod 4 to move the air inlet pipe 3 closer to the air inlet hole of the workpiece and insert it into the air inlet hole of the workpiece; then... Place the sealing mechanism 2, the workpiece, and the air inlet pipe 3 into the sealing performance testing tank 1, and insert the support block 204 into the mounting slot 101. Finally, inject water into the sealing performance testing tank 1, ensuring that the water submerges the upper surface of the workpiece (i.e., the water level is higher than the upper surface of the workpiece). Then, start the air pump and open the first valve 303 to inject air into the workpiece to be tested for sealing performance. After a period of time, observe whether any bubbles are generated in the water. If no bubbles are generated, the workpiece to be tested for sealing performance has good sealing performance and is qualified. If bubbles are generated, the workpiece to be tested for sealing performance has poor sealing performance and there is a leakage point, and the workpiece is unqualified.

[0046] In summary, this utility model seals the connecting holes of the workpiece through the sealing mechanism 2 and places the workpiece in water for sealing performance testing. Compared with existing manual testing methods, this method has a simple structure and is easy to operate. Air is introduced into the workpiece flow channel through the workpiece air inlet, and the presence of air bubbles in the water is observed to determine the sealing performance of the workpiece. This allows for a direct observation of whether the workpiece is properly sealed, thus improving the testing efficiency and effectiveness of workpiece sealing performance testing. Furthermore, sealing the connecting holes on the workpiece surface through the sealing part 201 further improves the testing efficiency of workpiece sealing performance testing.

[0047] The above description is an explanation of the present utility model and not a limitation thereof. The scope of the present utility model is defined by the claims. Within the protection scope of the present utility model, any form of modification may be made.

Claims

1. A device for detecting the sealing performance of a workpiece, characterized in that, include: A sealing test tank (1) is filled with water. A sealing mechanism (2) is located within the sealing performance testing groove (1), and the sealing mechanism (2) includes: Multiple sealing parts (201) are provided, and the multiple sealing parts (201) respectively seal the connecting holes on each surface of the workpiece; An air inlet pipe (3) is connected to the air inlet hole of the workpiece to introduce gas into the workpiece.

2. The workpiece sealing performance testing device as described in claim 1, characterized in that: The sealing mechanism (2) further includes: The device includes a connecting part (202) and a plurality of first adjusting rods (203). The connecting part (202) is located on the side of the sealing part (201) away from the workpiece. The first adjusting rods (203) pass through the connecting part (202) and are threadedly connected to the connecting part (202). One end of the first adjusting rod (203) is inserted into the sealing part (201) and is rotatably connected to the sealing part (201). The first adjusting rods (203) are used to adjust the distance between the sealing part (201) and the connecting part (202).

3. The workpiece sealing performance testing device as described in claim 2, characterized in that: The connecting part (202) includes: The upper connecting block (2021), the side connecting block (2022), and the lower connecting block (2023) are provided. The upper connecting block (2021) and the side connecting block (2022) are connected by bolts, and the lower connecting block (2023) is connected to the side connecting block (2022). A plurality of first adjusting rods (203) pass through the upper connecting block (2021), the side connecting block (2022), and the lower connecting block (2023) respectively, and are threadedly connected to the upper connecting block (2021), the side connecting block (2022), and the lower connecting block (2023) respectively.

4. The workpiece sealing performance testing device as described in claim 1, characterized in that: The sealing part (201) is provided with a plurality of sealing plugs (2011) on the side near the workpiece. The sealing plugs (2011) are disposed opposite to the communicating holes on the surface of the workpiece and are adapted to the communicating holes on the surface of the workpiece.

5. The workpiece sealing performance testing device as described in claim 3, characterized in that: The sealing mechanism (2) further includes: The support block (204) is connected to the lower connecting block (2023).

6. The workpiece sealing performance testing device as described in claim 5, characterized in that: Also includes: Also includes: The second adjusting rod (4) passes through the support block (204) and is threadedly connected to the support block (204). The second adjusting rod (4) is rotatably connected to the air inlet pipe (3). The second adjusting rod (4) is used to adjust the distance between the support block (204) and the outlet end of the air inlet pipe (3) so as to realize the installation and removal of the air inlet pipe (3) and the workpiece air inlet hole.

7. The workpiece sealing performance testing device as described in claim 6, characterized in that: The outlet end of the air intake pipe (3) is provided with a mounting block (301), and the mounting block (301) is rotatably connected to the second adjusting rod (4).

8. The workpiece sealing performance testing device as described in claim 1, characterized in that: The outlet end of the air intake pipe (3) is also provided with a sealing ring (302), the air intake pipe (3) is connected in series with a first valve (303), and the inlet end of the air intake pipe (3) is provided with an air pump.

9. The workpiece sealing performance testing device as described in claim 5, characterized in that: The bottom of the sealing test groove (1) is provided with an installation groove (101), and the support block (204) is installed in the installation groove (101).

10. The workpiece sealing performance testing device as described in claim 1, characterized in that: The bottom of the sealing test tank (1) is provided with a drain pipe (102), and the drain pipe (102) is connected in series with a second valve (103).

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