Waterproof plug air tightness test equipment

Abstract

The utility model discloses waterproof plug air tightness testing equipment, which comprises a testing operation table, a testing assembly is arranged on an operation table top plate of the testing operation table, the testing assembly comprises a supporting frame and a driving air cylinder, a lifting sliding seat is arranged at the driving end of the driving air cylinder, a testing upper die is arranged on the lifting sliding seat, and an upper die cavity and an air hole are formed in the testing upper die; the testing assembly further comprises a testing lower die, a sealing rubber ring is arranged on the upper surface of the testing lower die, a profiling positioning hole is formed in the inner side of the sealing rubber ring on the upper surface of the testing lower die, a receding hole which vertically extends is formed in the testing lower die, and the upper end of the receding hole is communicated with the profiling positioning hole. The test upper die is provided with a profiling test rod, and the lower end part of the profiling test rod extends into the upper die cavity; at least two spring piece mounting holes are formed in the side of the upper die cavity of the upper testing die, and demolding elastic pieces are embedded in the elastic piece mounting holes respectively. Through the structural design, the waterproof plug air tightness testing device has the advantages of being novel in structural design and capable of being effectively suitable for waterproof plug air tightness testing.

Description

TECHNICAL FIELD

[0001] The utility model relates to airtightness test equipment technical field especially relates to a waterproof plug airtightness test equipment. BACKGROUND

[0002] The utility model discloses airtightness testing equipment, and the utility model relates to airtightness testing equipment technical field, especially a waterproof plug airtightness testing equipment.

[0003] In the process of carrying out airtightness detection to the product, the product to be detected is placed in the lower mould, and the starting button on the airtightness detector control box is pressed by both hands simultaneously, the cylinder is pressed down, and the automatic airtightness detector works, at this time, the upper mould and the lower mould are closed, and the sealing effect is ensured by the sealing ring between the upper mould and the lower mould, and the airtightness detector detects whether the airtightness in the mould meets the requirements through the air hole on the lower mould.

[0004] For the waterproof plug, the waterproof plug is sleeved on the periphery of the rod or shaft when in use, and the waterproof plug is attached to the rod or shaft to realize waterproof sealing, in order to ensure the waterproof performance of the waterproof plug, it is necessary to test the airtightness of the waterproof plug. UTILITY MODEL CONTENTS

[0005] The utility model discloses airtightness testing equipment technical field especially relates to a waterproof plug airtightness test equipment.

[0006] In order to achieve the above object, the utility model realizes through the following technical scheme.

[0007] The utility model provides a waterproof plug air tightness test equipment, including test operation platform, the top of test operation platform is provided with operation platform top plate, operation platform top plate is equipped with test assembly,

[0008] Test assembly includes support frame, drive cylinder is equipped in support frame and vertical action, drive cylinder's drive end is equipped with lifting slide, lifting slide is equipped with test upper die, the inside of test upper die is provided with the upper die cavity that opens down, the lateral wall of test upper die is provided with the air hole that opens outward and is connected with upper die cavity,

[0009] Test assembly still includes the test lower die of being equipped on operation platform top plate upper surface and being located test upper die just below, the upper surface of test lower die is equipped with sealing rubber ring,

[0010] The upper surface of test lower die is provided with the profiling positioning hole in the inboard side of sealing rubber ring, the inside of test lower die is provided with the empty hole that extends vertically and is connected with profiling positioning hole upper end,

[0011] Test upper die is equipped with the profiling test rod that is arranged vertically, and the lower end of profiling test rod extends into the upper die cavity,

[0012] Test upper die is provided with at least two spring piece mounting holes that open down respectively in the side of upper die cavity, and each spring piece mounting hole is embedded with demoulding elastic part respectively.

[0013] Wherein, the test lower die and the operation platform top plate form the pressure relief channel that opens outward and is connected with the empty hole between.

[0014] Wherein, the inside of test upper die is provided with the test rod mounting hole that extends vertically and is connected with the upper die cavity lower end, and the upper end of profiling test rod is inserted into the test rod mounting hole of test upper die,

[0015] The lateral wall of test upper die is provided with the upper die side hole that is connected with test rod mounting hole, and the locking screw is screwed in the upper die side hole, and the upper end of profiling test rod is clamped in the test rod mounting hole by locking screw.

[0016] Wherein, the upper surface of test lower die is provided with the lower die mounting groove that is in the shape of full enclosure corresponding to the sealing rubber ring, and the sealing rubber ring is embedded in the lower die mounting groove of test lower die.

[0017] Wherein, the guide rail and sliding block pair are equipped between the support frame and the lifting slide.

[0018] Wherein, the left side and the right side of test operation platform are respectively equipped with moving handle.

[0019] Compared with the prior art, the waterproof plug air tightness testing equipment has the following beneficial effects, specifically: for the waterproof plug air tightness testing equipment, in the process of air tightness testing, the profiling test rod is inserted into the center hole of the waterproof plug product to simulate the use environment of the waterproof plug product; after the air tightness testing is completed, the demolding elastic piece elastically abuts against the edge portion of the waterproof plug product downward and makes the waterproof plug product remain in the profiling positioning hole of the testing lower mold, so that the waterproof plug product is prevented from moving upward synchronously with the profiling test rod. The waterproof plug air tightness testing equipment has the advantages of novel structure design, and can be effectively applied to waterproof plug air tightness testing. BRIEF DESCRIPTION OF DRAWINGS

[0020] The utility model will be further explained by using the drawings, but the embodiment in the drawings does not constitute any limitation to the utility model.

[0021] Figure 1 It is the structural schematic diagram of the utility model.

[0022] Figure 2 It is Figure 1 the local enlarged schematic diagram.

[0023] Figure 3 It is the local section schematic diagram of the utility model.

[0024] Figure 4 It is the local section schematic diagram of another position of the utility model.

[0025] In Figures 1 to 4 , it includes:

[0026] 1-test operation platform;11-operation platform top plate;12-moving handle;2-test assembly;21-support frame;22-driving cylinder;23-lifting slide;24-test upper mold;241-upper mold cavity;242-air hole;243-elastic piece mounting hole;244-test rod mounting hole;245-upper mold side hole;25-test lower mold;251-profiling positioning hole;252-avoiding hole;253-pressure relief channel;254-lower mold mounting groove;26-sealing rubber ring;27-profiling test rod;28-demolding elastic piece;29-guide rail sliding block pair;3-waterproof plug product. DETAILED DESCRIPTION

[0027] The utility model will be further explained by using the drawings, but the embodiment in the drawings does not constitute any limitation to the utility model.

[0028] Embodiment one, as Figures 1 to 4 shown, a kind of waterproof plug air tightness testing equipment, including test operation platform 1, the top of test operation platform 1 is provided with operation platform top plate 11, and operation platform top plate 11 is equipped with test assembly 2.

[0029] Wherein, as shown in Figures 1 to 4 The testing assembly 2 comprises a support frame 21, a driving cylinder 22 arranged on the support frame 21 and vertically moving, a driving end of the driving cylinder 22 is arranged with a lifting slide 23, the lifting slide 23 is arranged with a testing upper die 24, an inside of the testing upper die 24 is arranged with an upper die cavity 241 opening downward, a side wall of the testing upper die 24 is arranged with a gas hole 242 opening outward and communicating with the upper die cavity 241.

[0030] Further, as shown in Figure 3 and Figure 4 The testing assembly 2 further comprises a testing lower die 25 arranged on an upper surface of the operation table top plate 11 and located directly below the testing upper die 24, an upper surface of the testing lower die 25 is arranged with a sealing rubber ring 26.

[0031] Further, as shown in Figure 3 and Figure 4 An upper surface of the testing lower die 25 is arranged with a profiling positioning hole 251 inside the sealing rubber ring 26, an inside of the testing lower die 25 is arranged with an emptying hole 252 vertically extending and communicating with the profiling positioning hole 251 at an upper end.

[0032] In addition, as shown in Figure 3 and Figure 4 The testing upper die 24 is arranged with a profiling testing rod 27 vertically arranged, a lower end of the profiling testing rod 27 extends into the upper die cavity 241.

[0033] In addition, as shown in Figure 3 The testing upper die 24 is arranged with at least two spring piece mounting holes opening downward beside the upper die cavity 241, each spring piece mounting hole 243 is respectively arranged with a demolding spring piece 28.

[0034] It should be explained that for the testing operation table 1 of the embodiment one, a controller can be a PLC controller, a pressure sensor is used for testing the air pressure in the cavity of the testing upper die 24, the pressure sensor can be directly installed on the testing upper die 24. When working, the controller controls the driving cylinder 22 to move.

[0035] In the process of testing the air tightness of the waterproof plug product 3 by using the waterproof plug air tightness testing equipment of the embodiment one, the steps include:

[0036] Step a, the controller controls the driving cylinder 22 to move, and the driving cylinder 22 drives the lifting slide 23 to move upward to the initial position;

[0037] Step b, place the waterproof plug product 3 in the profiling positioning hole 251 of the test lower mold 25, the profiling positioning hole 251 is designed in a profiling manner and the profile shape of the profiling positioning hole 251 matches the profile shape of the lower end of the waterproof plug product 3, that is, the profiling positioning hole 251 can accurately position the waterproof plug product 3;

[0038] Step c, after the waterproof plug product 3 is positioned and placed in the profiling positioning hole 251 of the test lower mold 25, the controller controls the driving cylinder 22 to act, the driving cylinder 22 drives the lifting slide 23 to move downward, in the process, the lifting slide 23 drives the profiling test rod 27 and the demolding elastic piece 28 to move downward synchronously; wherein the profiling test rod 27 is designed in a profiling manner and the profiling test rod 27 is consistent with the size of the installation rod used by the waterproof plug product 3;

[0039] Step d, the driving cylinder 22 drives the test lower mold 25 to be in place and the test upper mold 24 is closed with the test lower mold 25, at this time, the profiling test rod 27 penetrates through the center hole of the waterproof plug and the lower end of the profiling test rod 27 extends into the air avoidance hole 252 of the test lower mold 25, and each demolding elastic piece 28 elastically abuts against the edge position of the waterproof plug product 3 downward;

[0040] Step e, start the vacuumizing device or the inflating device to perform vacuumizing or inflating operation on the upper mold cavity 241 through the air hole 242 of the test upper mold 24; when the air pressure value in the upper mold cavity 241 reaches the set value, the vacuumizing or inflating action stops, at this time, the pressure sensor collects the air pressure information of the upper mold cavity 241 in real time and feeds back the air pressure information to the controller in real time, the controller processes and analyzes the fed-back air pressure information to judge the air pressure change in the upper mold cavity 241 and further judge the air tightness quality of the waterproof plug product 3, which specifically reflects the air tightness between the waterproof plug product 3 and the profiling test rod 27;

[0041] Step f, after the air tightness test is completed, the driving cylinder 22 drives the lifting slide 23 to move upward to reset, in the process, the demolding elastic piece 28 elastically abuts against the edge of the waterproof plug product 3 downward and makes the waterproof plug product 3 remain in the profiling positioning hole 251 of the test lower mold 25 to avoid the waterproof plug product 3 moving upward synchronously with the profiling test rod 27; after the lifting slide 23 moves to be in place, the waterproof plug product 3 after the test is taken out from the profiling positioning hole 251 of the test lower mold 25.

[0042] It can be known from the above that the waterproof plug air tightness test equipment of the first embodiment has the advantages of novel structure design and can be effectively applied to waterproof plug air tightness test.

[0043] Embodiment two, as Figures 2 to 4As shown, the difference between this embodiment 2 and embodiment 1 is that: a pressure relief channel 253 with an outward opening and connected to the vent hole 252 is formed between the test lower mold 25 and the top plate 11 of the operating table.

[0044] As for the pressure relief channel 253 in this embodiment, it enables the connection between the waterproof plug product 3 and the conformal test rod 27 to the outside world, so as to ensure the accuracy of the airtightness test.

[0045] Example 3, as Figure 3 and Figure 4 As shown, the difference between this embodiment 3 and embodiment 1 is that: the test upper mold 24 has a test rod mounting hole 244 that extends vertically and whose lower end communicates with the upper mold cavity 241, and the upper end of the contour test rod 27 is inserted into the test rod mounting hole 244 of the test upper mold 24.

[0046] The test mold 24 has a side hole 245 on its side wall that communicates with the test rod mounting hole 244. A locking screw is screwed into the side hole 245, which clamps the upper end of the conformal test rod 27 into the test rod mounting hole 244.

[0047] The contour test rod 27 in this embodiment adopts a detachable structural design, which can meet the requirements of adapting and replacing the test operation rod.

[0048] Example 4, as Figure 3 and Figure 4 As shown, the difference between this embodiment four and embodiment one is that: the upper surface of the test lower mold 25 is provided with a lower mold mounting groove 254 in a full-circle shape corresponding to the sealing ring 26, and the sealing ring 26 is embedded in the lower mold mounting groove 254 of the test lower mold 25.

[0049] Example 5, such as Figures 1 to 3 As shown, the difference between this fifth embodiment and the first embodiment is that a guide rail slider pair 29 is installed between the support frame 21 and the lifting slide 23.

[0050] Example 6, as Figure 1 As shown, the difference between this sixth embodiment and the first embodiment is that the left and right sides of the test operation table 1 are respectively equipped with moving handles 12.

[0051] The handle 12 in this embodiment can facilitate the movement of the test platform 1.

[0052] The above description is only a preferred embodiment of this utility model. For those skilled in the art, there will be changes in the specific implementation method and application scope based on the idea of ​​this utility model. The content of this specification should not be construed as a limitation of this utility model.

Claims

1. A waterproof plug airtightness testing device, comprising a test operating table (1), a top plate (11) provided on the top of the test operating table (1), and a test component (2) installed on the top plate (11). The test assembly (2) includes a support frame (21) and a drive cylinder (22) mounted on the support frame (21) and moving vertically. The drive end of the drive cylinder (22) is equipped with a lifting slide (23), and the lifting slide (23) is equipped with a test upper mold (24). The test upper mold (24) has a downward-opening upper mold cavity (241) inside, and the side wall of the test upper mold (24) has an outward-opening air hole (242) that communicates with the upper mold cavity (241). The test assembly (2) also includes a test lower mold (25) installed on the upper surface of the top plate (11) of the operating table and located directly below the test upper mold (24). A sealing ring (26) is installed on the upper surface of the test lower mold (25). Its features are: The upper surface of the test mold (25) is provided with a contour positioning hole (251) inside the sealing ring (26), and the interior of the test mold (25) is provided with a vertically extending clearance hole (252) whose upper end is connected to the contour positioning hole (251). The upper mold (24) is equipped with a vertically arranged contour test rod (27), the lower end of which extends into the upper mold cavity (241); The test mold (24) has at least two spring mounting holes with downward openings on the side of the upper mold cavity (241), and each elastic element mounting hole (243) is fitted with a demolding elastic element (28).

2. The waterproof plug airtightness testing device according to claim 1, characterized in that: The test lower mold (25) and the top plate of the operating table (11) are formed with an outwardly opening pressure relief channel (253) that communicates with the vent hole (252).

3. The waterproof plug airtightness testing device according to claim 1, characterized in that: The test mold (24) has a test rod mounting hole (244) that extends vertically and whose lower end communicates with the upper mold cavity (241). The upper end of the contour test rod (27) is inserted into the test rod mounting hole (244) of the test mold (24). The side wall of the test mold (24) is provided with an upper mold side hole (245) that communicates with the test rod mounting hole (244). A locking screw is screwed into the upper mold side hole (245), and the locking screw clamps the upper end of the conformal test rod (27) into the test rod mounting hole (244).

4. The waterproof plug airtightness testing device according to claim 1, characterized in that: The upper surface of the test mold (25) is provided with a mold mounting groove (254) in a full-circle shape corresponding to the sealing ring (26), and the sealing ring (26) is embedded in the mold mounting groove (254) of the test mold (25).

5. The waterproof plug airtightness testing device according to claim 1, characterized in that: A guide rail slider pair (29) is installed between the support frame (21) and the lifting slide (23).

6. The waterproof plug airtightness testing device according to claim 1, characterized in that: The test operation table (1) is equipped with a moving handle (12) on its left and right sides respectively.

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