CN217006229U - Water immersion type air tightness test tool for closed container - Google Patents

Abstract

The utility model relates to a sealed container soaking type air tightness test tool which comprises a water tank, wherein a lowering mechanism used for placing a sealed container into the water tank is arranged above the water tank, the lowering mechanism comprises guide stand columns respectively arranged on two opposite wall edges of the water tank, sliding cross beams with two ends respectively and tightly connected with the two guide stand columns in a sliding mode, and a container bracket arranged below the sliding cross beams and used for placing a plurality of sealed containers at the same time. When the airtight test is carried out, the closed container is placed on the container bracket, the sliding beam is pressed at the upper handle of the closed container after the airtight test is carried out, the closed container and the container bracket are pressed into the water tank together, and the volume part of the closed container is completely immersed in water for pressure maintaining to observe the integral airtight condition. Compared with the prior art, the vertical sealed container is adopted, so that the taking and the placing are simpler, and compared with the method of testing one sealed container at a time, a large amount of detection time is saved.

Description

Closed container immersion type air tightness test tool

Technical Field

The utility model belongs to the technical field of airtight tests of airtight containers, and particularly relates to a water-immersed airtight test tool for an airtight container.

Background

The air pressure test is an important link in the inspection of the air bottle, and aims to carry out the inspection of the sealing performance on the positions of a handle, a valve, a rupture disc, a circular seam, a lower bottle body supporting leg and the surface of the bottle body through the test. And the product leakage caused by poor welding or plate defects is prevented from leaving the factory. The best mode for testing the sealing performance is to adopt a pressure-maintaining water-immersion type air-tightness test, and the technical scheme disclosed by the Chinese patent application No. 2015105153239 of the closed container water-immersion type air-tightness test device in the prior art only tests one closed container at a time, and the detection of the closed container needs certain pressure-maintaining time, so that the efficiency of air-tightness detection of the closed container is not high.

Disclosure of Invention

Aiming at the defects in the prior art, the utility model aims to provide a water-immersion type air tightness test tool capable of detecting a plurality of closed containers at one time.

The purpose of the utility model is realized by the following technical scheme: the utility model provides a closed container formula air-tight test frock that soaks, includes the basin, sets up the mechanism of transferring that is used for placing closed container in the basin top, transfers the mechanism and includes the guide post that sets up respectively on two relative wall edges of basin, both ends respectively with two guide post zonulae occludens sliding beam, set up the container bracket who is used for placing a plurality of closed containers simultaneously in sliding beam below.

Preferably, the lowering mechanism further comprises a fixed cross beam arranged at the upper end of the guide column and used for connecting the guide column. After the fixed cross beam connects the guide upright posts, the stability of the guide upright posts is enhanced.

Preferably, the lowering mechanism further comprises two pushing cylinders arranged on the upper surface of the fixed cross beam and close to the end parts of the two sides, and two screw rod transmission assemblies arranged on the sliding cross beam and close to the end parts of the two sides and extending downwards. The pushing cylinder utilizes the space on the upper part of the beam, and the lead screw transmission assembly is also arranged on the lower part of the sliding beam, so that the transverse space of the whole tool occupies a minimum, and the tool is convenient to arrange.

Preferably, two pneumatic rods of the two pushing cylinders are respectively connected with the sliding cross beam below. Thereby pushing the cylinder as a power source for moving the sliding beam up and down.

Preferably, the screw rod transmission assembly comprises an assembly frame, a driving motor, sliding blocks and a transmission screw rod, wherein the upper end of the assembly frame penetrates through the lower end of the sliding beam and extends towards the direction of the container bracket; the transmission screw rod is connected with a main shaft of the driving motor. The screw rod transmission assembly is used for connecting and positioning the container bracket on one hand, and adjusting the distance between the sliding beam and the container bracket through the rotation of the transmission screw rod on the other hand, so that the closed containers with different heights can be used.

Preferably, the transmission screw rod is in threaded engagement with the slide block. Because some of screw rod drive assembly need get into the basin and contact with water, consequently adopt screw drive's mode, its convenience of changing, the durability of use all has better guarantee.

Preferably, the assembly frame is of portal construction, wherein the side of the guide post facing the proximal end is an open face, at which an L-shaped connecting member is provided for detachably fixing the slide and the container carrier together. To facilitate maintenance replacement.

Preferably, a plurality of inflation cylinders are arranged in the sliding cross beam at intervals, one end of a telescopic rod of each inflation cylinder faces downwards, an inflation head is arranged at the end part of the telescopic rod, and the position of each inflation head can correspond to the air inlet of the sealed container placed on the sealed container bracket. The sealed container is inflated and compressed synchronously through corresponding inflation, so that the pressure maintaining is inflated and the sealed container is compressed, the pressure maintaining can be directly executed through an inflation head of the inflation cylinder, a temporary air inlet valve does not need to be installed on the sealed container, and the step of operating deflation is omitted after the experiment is finished.

In conclusion, compared with the prior art, the utility model has the following advantages:

the utility model arranges a lowering mechanism for placing the closed container into the water tank above the water tank, the lowering mechanism comprises two guide upright posts arranged on two opposite wall edges of the water tank respectively, a sliding beam with two ends respectively connected with the two guide upright posts in a tight sliding way, and a container bracket arranged below the sliding beam and used for placing a plurality of closed containers simultaneously. Compared with the prior art, the vertical sealed container is adopted, so that the taking and the placing are simpler, and compared with the method of testing one sealed container at a time, a large amount of detection time is saved.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

fig. 3 is a partially enlarged view of fig. 1 at B.

The labels in the figure are: a closed container 001; an L-shaped connector 002; a water tank 100; a lowering mechanism 200; a guide post 210; a fixed cross member 220; a sliding beam 230; an inflation cylinder 231; a container carrier 240; a push cylinder 250; a lead screw drive assembly 260; an assembly frame 261; a drive motor 262; a slider 263; a drive screw 264.

Detailed Description

The utility model will be further described with reference to the embodiments shown in the drawings to which:

the embodiment is as follows:

as shown in fig. 1, a water immersion type air tightness test tool for a sealed container comprises a water tank 100 which is arranged on the ground and is in a cuboid shape, a lowering mechanism 200 which is arranged above the water tank 100 and is used for placing a sealed container 001 into the water tank 100, wherein the lowering mechanism 200 comprises guide columns 210 which are respectively arranged on two opposite wall edges of the upper surface of the water tank 100, a fixed cross beam 220 which is arranged at the upper end part of each guide column 210 and is used for connecting the guide columns 210, sliding cross beams 230 which are respectively arranged at two ends below the fixed cross beam 220 and are tightly and slidably connected with the two guide columns 210, a container bracket 240 which is arranged below the sliding cross beam 230 and is used for placing the sealed container 001, two pushing cylinders 250 which are arranged on the upper surface of the fixed cross beam 220 and are close to the end parts of two sides, and two screw rod transmission assemblies 260 which are arranged at the positions of the sliding cross beam 230 and are close to the end parts of the two sides and extend downwards;

two pneumatic rods of the two pushing cylinders 250 are respectively connected to the lower sliding beam 230 so as to push the sliding beam 230 to push down or lift up when the pushing cylinders 250 are activated to perform telescopic motion.

The screw driving assembly 260 includes an assembly frame 261 whose upper end penetrates through the lower end of the sliding beam 230 and extends toward the container bracket 240, a driving motor 262 disposed at the upper end of the assembly frame 261, two sliders 263 disposed in the assembly frame 261 and capable of tightly sliding, and a driving screw 264 disposed in the assembly frame 261 and having the same length as the assembly frame 261 and being in rotary fit with the same;

the transmission screw rod 264 is connected with a main shaft of the driving motor 262;

the transmission screw rod 264 is in threaded engagement with the slide block 263, and the transmission screw rod 264 correspondingly drives the slide block 263 to move upwards or downwards when the transmission screw rod 264 rotates forwards and backwards under the driving of the driving motor 262.

As shown in fig. 3, the assembly frame 261 is of a portal type structure, wherein the side of the proximally facing guide post 210 is an open face, and an L-shaped connector 002 is provided at the open face to detachably and fixedly connect the slide block 263 and the container bracket 240 together. Therefore, the sliding block 263 is driven by the transmission screw rod 264 to move the container bracket 240 up and down, that is, the height distance between the container bracket 240 and the sliding beam 230 is adjustable, so that the container bracket can be suitable for the closed containers with different heights for detection.

In the sliding beam 230, a plurality of inflation cylinders 231 are arranged at intervals, one end of an expansion link of each inflation cylinder 231 faces downward, an inflation head is arranged at the end of the expansion link, the inflation head is connected with an air source through an air pipe, the air source is an air compressor, the air compressor is not shown in the drawing as a general device, the whole structure is shown in fig. 2, the position of each inflation head can correspond to the air inlet of the closed container placed on the closed container bracket 240, namely when the inflation cylinders 231 perform downward pressing inflation, the inflation heads at the ends of the expansion links can be in butt joint with the air inlet of the closed container.

And (3) air tightness testing:

firstly, according to the height of the sealed container to be tested, the proper distance between the container bracket 240 and the sliding beam 230 is adjusted through the screw rod transmission assembly 260, namely, after the sealed container is placed on the container bracket 240, a certain distance is reserved between an inflation head and an air inlet of the sealed container, so that the inflation cylinder 231 performs downward inflation or retraction deflation;

secondly, inflating the sealed container to be tested, wherein the sealed container is integrally fixed on the container bracket 240 under the downward pressing action of an upper inflating head in an inflated state until the inflating cylinder 231 does not retract before the test is finished so as to perform pressure maintaining;

thirdly, the pushing cylinder 250 performs a downward motion, and the sliding beam 230, the container bracket 240, the upper closed container and the lower screw transmission assembly 260 are together slowly placed downwards into the water tank 100 until the air inlet of the closed container is covered and stopped;

and fourthly, turning on a light source inside the water tank 100, detecting according to the specified requirements, and after the detection is finished, removing the closed container according to the steps to finish the detection once.

The specific embodiments described herein are merely illustrative of the spirit of the utility model. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the utility model as defined in the appended claims.

Claims (8)

1. The utility model provides a closed container formula of soaking gas tightness test frock, including basin (100), a serial communication port, set up in basin (100) top and be used for placing closed container (001) and transfer mechanism (200) in basin (100), transfer mechanism (200) including guide post (210) that set up respectively on two relative wall edges of basin (100), both ends respectively with two guide post (210) sliding beam (230) of inseparable sliding connection, set up container bracket (240) that are used for placing a plurality of closed container (001) simultaneously in sliding beam (230) below.

2. The hermetic container immersion type air-tightness test tool according to claim 1, wherein the lowering mechanism (200) further comprises a fixed cross beam (220) which is arranged at the upper end of the guide upright post (210) and connects the guide upright post (210).

3. The hermetic container immersion type air-tightness test tool according to claim 2, wherein the lowering mechanism (200) further comprises two pushing cylinders (250) arranged on the upper surface of the fixed beam (220) and close to the end portions of the two sides, and two screw rod transmission assemblies (260) arranged on the sliding beam (230) and extending downwards and close to the end portions of the two sides.

4. The hermetic container water-immersion type air-tightness test tool according to claim 3, wherein two pneumatic rods of the two pushing cylinders (250) are respectively connected with a lower sliding beam (230).

5. The airtight container immersion type air-tightness test tool according to claim 3, wherein the screw rod transmission assembly (260) comprises an assembly frame (261) with the upper end penetrating through the lower end of the sliding beam (230) and extending towards the direction of the container bracket (240), a driving motor (262) arranged at the upper end of the assembly frame (261), sliding blocks (263) which are arranged in the assembly frame (261) and can slide tightly, and a transmission screw rod (264) which is arranged in the assembly frame (261) and has the same length as the assembly frame (261) and is in running fit with the assembly frame; the transmission screw rod (264) is connected with a main shaft of the driving motor (262).

6. The closed container water-immersion type air-tightness test tool according to claim 5, wherein the transmission screw rod (264) is in threaded engagement with the sliding block (263).

7. The airtight container immersion type air-tightness test tool according to claim 5, wherein the assembly frame (261) is of a door type structure, wherein one side of the guide upright (210) facing the proximal end is an open surface, and an L-shaped connecting piece (002) is arranged on the open surface to detachably and fixedly connect the sliding block (263) and the container bracket (240) together.

8. The airtight container immersion type air-tightness test tool according to claim 5, wherein a plurality of inflation cylinders (231) are arranged in the sliding beam (230) at intervals, one end of an expansion rod of each inflation cylinder (231) faces downwards, an inflation head is arranged at the end part of the expansion rod, and the position of each inflation head can correspond to the air inlet of the airtight container placed on the airtight container bracket (240).

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