Differential pressure testing device of product

Abstract

The utility model discloses a differential pressure testing device for a product. The differential pressure testing device comprises a bottom plate; the adjusting plate is mounted at the top of the bottom plate in a position-adjustable manner; the vertical plate is arranged at the top of the adjusting plate; the positioning tool is positioned on one side of the vertical plate and is used for positioning a product to be tested; and the test module is arranged on the vertical plate and is used for carrying out differential pressure test on the product positioned by the positioning tool. According to the utility model, the traditional manual repeated plugging test mode is completely abandoned, and the automation and standardization of the test process are realized, so that the time and the labor cost are greatly saved. The high-precision control mechanism ensures the accuracy of the test, effectively avoids the problem of interface damage possibly caused by manual misoperation, and ensures the integrity of the product and the reliability of the test result.

Description

Technical Field

[0001] The utility model relates to the technical fields of automobiles and new energy, and particularly relates to a differential pressure testing device for a product. Background Art

[0002] In the modern industrial production process, strict detection of the airtightness of products is a key link to ensure product quality. Traditionally, this process highly relies on manual operations, such as frequently plugging and unplugging test connectors for ventilation tests, which is not only inefficient, time-consuming and laborious, but also increases the risk of connector damage due to human factors, affecting production efficiency and product qualification rate. In view of this, the utility model aims to solve this bottleneck problem through innovative design. Summary of the Invention

[0003] According to an embodiment of the utility model, a differential pressure testing device for a product is provided, comprising:

[0004] A bottom plate;

[0005] An adjusting plate, which is adjustably installed on the top of the bottom plate;

[0006] A vertical plate, which is arranged on the top of the adjusting plate;

[0007] A positioning tooling, which is located on one side of the vertical plate and is used for positioning the product to be tested;

[0008] A testing module, which is arranged on the vertical plate and is used for performing differential pressure testing on the product positioned by the positioning tooling.

[0009] Further, the positioning tooling comprises:

[0010] A tooling bottom plate;

[0011] A tooling plate, which is arranged on the top of the tooling bottom plate, and product positioning grooves are arranged on the tooling plate;

[0012] A slide table cylinder, which is arranged on the tooling bottom plate;

[0013] A fixing rod, which is arranged on the output end of the slide table cylinder;

[0014] A rotating clamping block, which is rotatably sleeved on the fixing rod.

[0015] Further, it further comprises: a bearing, which is arranged between the rotating clamping block and the fixing rod.

[0016] Further, the tooling plate is made of POM material.

[0017] Further, the testing module comprises:

[0018] A z-axis module, which is arranged on the vertical plate and provides the driving force for z-axis movement;

[0019] A moving block is arranged at the output end of the z-axis module;

[0020] A slide rail is arranged on the moving block;

[0021] A differential pressure head is slidably connected to the slide rail;

[0022] A fixing plate is arranged on the moving block;

[0023] A spring is connected between the fixing plate and the differential pressure head.

[0024] Furthermore, a silicone sealing gasket is provided at the docking part between the differential pressure head and an external product.

[0025] Furthermore, a reinforcing rib is also provided between the adjusting plate and the vertical plate.

[0026] A differential pressure testing device for a product according to an embodiment of the present invention has the following beneficial effects:

[0027] 1. The traditional manual repeated plugging and unplugging testing method is completely abandoned, realizing the automation and standardization of the testing process, thus greatly saving time and labor costs. Its high-precision control mechanism ensures the accuracy of the test, effectively avoiding the problem of interface damage that may be caused by human operation errors, and ensuring the integrity of the product and the reliability of the test results.

[0028] 2. The system is equipped with a function of quickly replacing the positioning tooling, which can flexibly adapt to the testing requirements of different products. Only simple operations are required to replace the adapted positioning tooling, greatly improving the testing efficiency and flexibility. At the same time, the tooling bottom plate is made of high-quality black POM soft material, which is not only wear-resistant and durable, but also can effectively prevent scratches or damage to the product surface during the testing process, protecting the appearance quality of the product.

[0029] 3. In terms of the docking seal of the differential pressure head, the system adopts a silicone material sealing gasket with adhesive backing. This design not only ensures the sealing performance of the docking, but also facilitates regular quick replacement and maintenance, further ensuring the continuity and accuracy of the test.

[0030] It should be understood that both the foregoing general description and the following detailed description are exemplary and are intended to provide further explanation of the claimed technology. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] Figure 1 FIG. is a three-dimensional structural schematic diagram of a differential pressure testing device for a product according to an embodiment of the present invention.

[0032] Figure 2Schematic diagram of the three-dimensional structure at the test module of a differential pressure test device for a product according to an embodiment of the present invention.

[0033] Figure 3 Schematic diagram of the three-dimensional structure at the positioning tooling of a differential pressure test device for a product according to an embodiment of the present invention. Detailed implementation manners

[0034] Hereinafter, with reference to the accompanying drawings, the preferred embodiments of the present invention will be described in detail, and the present invention will be further elaborated.

[0035] First, in combination with Figures 1 to 3 A differential pressure test device for a product according to an embodiment of the present invention will be described, which is used for the ventilation test of product 8 to ensure the airtightness of product 8, and its application scenarios are very wide.

[0036] As Figures 1 to 3 shown, a differential pressure test device for a product according to an embodiment of the present invention includes a bottom plate 1, an adjustment plate 2, a vertical plate 3, a positioning tooling 4, and a test module 5.

[0037] Specifically, as Figure 1 shown, the adjustment plate 2 is adjustably installed on the top of the bottom plate 1, and a waist-shaped hole is opened on the adjustment plate 2 to achieve position adjustment.

[0038] Specifically, as Figure 1 shown, the vertical plate 3 is arranged on the top of the adjustment plate 2, and a reinforcing rib 6 is also provided between the adjustment plate 2 and the vertical plate 3 to improve the strength.

[0039] Specifically, as Figure 1 、 3 shown, the positioning tooling 4 is located on one side of the vertical plate 3 and is used to position the product 8 to be tested. The positioning tooling 4 includes: a tooling bottom plate 41, a tooling plate 42, a slide table cylinder 43, a fixed rod 44, and a rotating clamp block 45. The tooling bottom plate 41 is made of aluminum, the tooling plate 42 is arranged on the top of the tooling bottom plate 41, and a product positioning groove is provided on the tooling plate 42; the slide table cylinder 43 is arranged on the tooling bottom plate 41; the fixed rod 44 is arranged on the output end of the slide table cylinder 43; the rotating clamp block 45 is rotatably sleeved on the fixed rod 44. By driving the rotating clamp block 45 to move towards the product 8 located in the product positioning groove by the slide table cylinder 43 and being able to rotate around the fixed rod 44, the rotation clamping effect between different workpieces is achieved.

[0040] Furthermore, as Figure 1 、 3 shown, a differential pressure test device for a product according to an embodiment of the present invention further includes: a bearing 46, and the bearing 46 is arranged between the rotating clamp block 45 and the fixed rod 44 to reduce friction.

[0041] Furthermore, asFigure 1 , 3 As shown in 3 , the tooling plate 42 is made of POM material to prevent scratching the surface of the product 8.

[0042] Specifically, as Figures 1 to 2 shown in Figures 1 to 2 , the test module 5 is arranged on the vertical plate 3 and is used to perform differential pressure testing on the product 8 positioned by the positioning tooling 4. The test module 5 includes: a z-axis module 51, a moving block 52, a slide rail 53, a differential pressure head 54, a fixing plate 55 and a spring 56. The z-axis module 51 is arranged on the vertical plate 3 to provide the driving force for z-axis movement; the moving block 52 is arranged at the output end of the z-axis module 51 and moves up and down along with the drive of the z-axis module 51; the slide rail 53 is arranged on the moving block 52; the differential pressure head 54 is slidably connected to the slide rail 53; the fixing plate 55 is arranged on the moving block 52; the spring 56 is connected between the fixing plate 55 and the differential pressure head 54. Through the setting of the spring 56, the differential pressure head 54 has flexible floating when inserted into the product 8.

[0043] Furthermore, in this embodiment, a silicone gasket is provided at the docking place between the differential pressure head 54 and the external product 8 to ensure the sealing performance during detection.

[0044] Connect the differential pressure head 54 to the external airtightness detector 7. Manually place the product 8 in the product positioning groove of the tooling plate 42, start the slide table cylinder 43, and push the rotating clamping block 45 to hold against the product 8 to position the product 8.

[0045] After the z-axis module 51 receives the positioning completion signal, the z-axis module 51 moves downward, inserts the differential pressure head 54 into the interface of the product 8, and after connection, the airtightness detector is ventilated to start the test to detect the OK / NG situation of the product 8.

[0046] Above, with reference to Figures 1 to 3 a differential pressure testing device for a product according to an embodiment of the present invention is described, which has the following beneficial effects:

[0047] 1. Thoroughly abandon the traditional manual repeated plugging and unplugging test method, realize the automation and standardization of the test process, thereby greatly saving time and labor costs. Its high-precision control mechanism ensures the accuracy of the test, effectively avoids the interface damage problem that may be caused by human operation errors, and guarantees the integrity of the product 8 and the reliability of the test results.

[0048] 2. The system is equipped with a quick replacement function for the positioning tooling 4, which can flexibly adapt to the test requirements of different products 8. Only simple operations are required to replace the adapted positioning tooling 4, greatly improving the test efficiency and flexibility. At the same time, the tooling bottom plate 41 is made of high-quality black POM soft material, which is not only wear-resistant and durable, but also can effectively prevent scratches or damage to the surface of the product 8 during the test, protecting the appearance quality of the product 8.

[0049] 3. In terms of the butt joint seal of the differential pressure head 54, the system adopts a silicone gasket with adhesive backing. This design not only ensures the sealing performance of the butt joint, but also facilitates regular rapid replacement and maintenance, further guaranteeing the continuity and accuracy of the test.

[0050] It should be noted that in this specification, the terms "comprising", "including" or any other variant thereof are intended to cover non-exclusive inclusion, such that a process, method, article or device comprising a series of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article or device. Without further limitation, an element defined by the statement "comprising..." does not exclude the presence of additional identical elements in the process, method, article or device comprising the said element.

[0051] Although the content of the present utility model has been introduced in detail through the above preferred embodiments, it should be recognized that the above description should not be considered as a limitation of the present utility model. After those skilled in the art have read the above content, various modifications and substitutions to the present utility model will be obvious. Therefore, the protection scope of the present utility model should be defined by the appended claims.

Claims

1. A pressure difference testing device for a product, characterized in that: Include: Base plate; An adjustment plate, the position of which can be adjusted and installed on the top of the bottom plate; A vertical plate, the vertical plate is arranged on the top of the adjusting plate; A positioning tool, the positioning tool is located on one side of the vertical plate and is used to position the product to be tested; A test module is arranged on the vertical plate and is used to perform a pressure difference test on the product positioned by the positioning tool.

2. The pressure difference testing device of the product according to claim 1, characterized in that: The positioning tooling comprises: Tooling base plate; A tooling plate, the tooling plate is arranged on the top of the tooling bottom plate, and the tooling plate is provided with a product positioning groove; A slide cylinder, the slide cylinder is arranged on the tooling bottom plate; A fixing rod, the fixing rod being arranged on the output end of the slide cylinder; A rotating clamp block is rotatably sleeved on the fixing rod.

3. The pressure difference testing device of the product according to claim 2, characterized in that: It also includes a bearing, which is arranged between the rotating clamp block and the fixing rod.

4. The pressure difference testing device of the product according to claim 2, characterized in that: The tooling plate is made of POM material.

5. The pressure difference testing device of the product according to claim 1, characterized in that: The test module includes: A z-axis module, the z-axis module is arranged on the vertical plate and provides a driving force for z-axis movement; A moving block, the moving block is arranged at the output end of the z-axis module; A slide rail, wherein the slide rail is arranged on the moving block; A pressure differential head, the pressure differential head being slidably connected to the slide rail; A fixed plate, the fixed plate being arranged on the moving block; A spring is connected between the fixing plate and the pressure differential head.

6. The pressure difference testing device of the product according to claim 5, characterized in that: A silicone sealing pad is provided at the joint between the pressure differential head and the external product.

7. The pressure difference testing device of the product according to claim 1, characterized in that: Reinforcing ribs are also provided between the adjusting plate and the vertical plate.

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