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CN-224216249-U - Air tightness inspection instrument for alumina ceramic sealing element

CN224216249UCN 224216249 UCN224216249 UCN 224216249UCN-224216249-U

Abstract

The utility model relates to the technical field of sealing element detection, in particular to an air tightness detector for an alumina ceramic sealing element, which comprises an outer cylinder, a sealing element body, an inner cylinder and a sealing element body, wherein the inner cylinder is rotatably arranged in the outer cylinder, the bottom of the inner cylinder is communicated with a connecting pipe, and the connecting pipe is rotatably connected with the inner cylinder and fixedly penetrates through the outer cylinder. According to the utility model, the curing material is preheated to 60 ℃ to enable the curing material to be in semi-flow state, the sealing element can be automatically deformed and filled along with the edge profile of the sealing element by utilizing the plasticity of the material, no matter how the plane size, shape and edge radian of the sealing element are changed, a completely-attached sealing interface can be formed by pressing, then the sealing interface is cured by utilizing ultraviolet lamp irradiation, so that the sealing environment is formed for the inner cylinder, then the air tightness detection is realized by the means of air inflation and pressure maintaining and air pressure detection, and the problem that the traditional rigid tool is difficult to adapt to the special-shaped sealing element is solved.

Inventors

  • GUO XIAOQING
  • Yin Bangxun

Assignees

  • 东莞市顶捷陶瓷科技有限公司

Dates

Publication Date
20260508
Application Date
20250530

Claims (6)

  1. 1. The utility model provides an aluminium oxide is airtight inspection appearance for ceramic seal, includes urceolus (1) and sealing member body (11), its characterized in that still includes: The inner cylinder (14) is rotatably arranged in the outer cylinder (1), a connecting pipe (16) is communicated with the bottom of the inner cylinder (14), and the connecting pipe (16) is rotatably connected with the inner cylinder (14) and fixedly penetrates through the outer cylinder (1); -a solidified material (12), said solidified material (12) and seal body (11) being mutually fused and placed on top of the inner cylinder (14); An end cap (4), the end cap (4) being provided on the top of the outer cylinder (1) for pressing a fixing material and sealing the outer cylinder (1); The ultraviolet lamp comprises a first ultraviolet irradiation lamp (10) and a second ultraviolet irradiation lamp (15) which are in annular structures, wherein the first ultraviolet irradiation lamp (10) is fixedly arranged on the inner wall of the inner cylinder (14), and the second ultraviolet irradiation lamp (15) is fixedly arranged at the bottom of the end cover (4); and an air pressure sensor (5) fixedly installed at the bottom wall of the inner cylinder (14) for detecting the air pressure change inside.
  2. 2. The air tightness tester for the alumina ceramic sealing member according to claim 1, wherein a bracket (2) is fixedly arranged on the side wall of the outer cylinder (1), the bracket (2) is of an L-shaped structure, an electric push rod (3) is fixedly arranged on the top of the bracket (2), and the free end of the electric push rod (3) is fixedly connected with an end cover (4).
  3. 3. The air tightness tester for alumina ceramic sealing member according to claim 1, wherein the inner wall of the outer cylinder (1) is uniformly and fixedly provided with heating plates (9).
  4. 4. The air tightness tester for the alumina ceramic sealing member according to claim 1, wherein the driving member comprises a motor (7), the motor (7) is fixedly installed inside the outer cylinder (1), a gear (6) is fixedly installed on an output shaft of the motor (7), a toothed ring (8) is fixedly installed on the surface of the inner cylinder (14), and the gear (6) is meshed with the toothed ring (8).
  5. 5. The air tightness tester for alumina ceramic sealing member according to claim 1, wherein a fixing ring (13) for supporting the solidified material (12) is fixedly installed at a position of the outer wall of the inner cylinder (14) near the top.
  6. 6. The air tightness tester for alumina ceramic sealing member according to claim 1, wherein a rotary sealing assembly is arranged at the joint of the connecting pipe (16) and the inner cylinder (14), the rotary sealing assembly comprises a bearing arranged at the bottom of the inner cylinder (14) and a sealing ring surrounding the connecting pipe (16), the connecting pipe (16) is rotationally connected with the inner cylinder (14) through the bearing, and the inner wall of the sealing ring is tightly attached to the outer wall of the connecting pipe (16).

Description

Air tightness inspection instrument for alumina ceramic sealing element Technical Field The utility model relates to the technical field of sealing element detection, in particular to an air tightness tester for an alumina ceramic sealing element. Background In the fields of aerospace, semiconductors, high-end equipment and the like, the alumina ceramic sealing member is widely applied because of excellent high-temperature resistance and corrosion resistance, and the air tightness is a key index for determining the reliability of equipment. Currently, for the air tightness detection of a planar alumina ceramic sealing element, the traditional method mainly relies on rigid tool positioning, namely the sealing element is forcedly fixed on a sealing interface of detection equipment through a sealing groove or a clamp with preset fixed size, and then the leakage quantity is detected in an inflation pressure maintaining mode. However, the planar size, the geometric shape and the edge radian of the sealing element are diversified, the traditional rigid tool is required to be designed and processed independently according to each specification, for a plurality of small-batch production scenes, the problems of time consumption and high cost of mold changing exist, the rigid contact is difficult to be completely attached to the micro outline of the edge of the sealing element, a tiny gap is easy to form, and gas leaks from the contact surface of the tool and the sealing element during detection, so that the detection result is deviated. Disclosure of utility model The utility model aims to provide an air tightness tester for an alumina ceramic sealing element, which solves the problem that the traditional tester cannot reasonably adapt to planar sealing elements with different shapes and sizes. In order to achieve the above purpose, the present utility model adopts the following technical scheme: The utility model provides an aluminium oxide is gas tightness inspection appearance for ceramic seal, includes urceolus and sealing member body, still includes: The inner cylinder is rotatably arranged in the outer cylinder, a connecting pipe is communicated with the bottom of the inner cylinder, and the connecting pipe is rotatably connected with the inner cylinder and fixedly penetrates through the outer cylinder; A solidified material, the solidified material and the seal body being fused to each other and placed on top of the inner barrel; an end cap provided at the top of the outer tub for pressing a fixing material and sealing the outer tub; The ultraviolet lamp comprises a first ultraviolet irradiation lamp and a second ultraviolet irradiation lamp which are in annular structures, wherein the first ultraviolet irradiation lamp is fixedly arranged on the inner wall of the inner cylinder, and the second ultraviolet irradiation lamp is fixedly arranged at the bottom of the end cover; and the air pressure sensor is fixedly arranged on the bottom wall of the inner cylinder and used for detecting the air pressure change inside. Preferably, the side wall of the outer cylinder is fixedly provided with a bracket, the bracket is of an L-shaped structure, the top of the bracket is fixedly provided with an electric push rod, and the free end of the electric push rod is fixedly connected with the end cover. Preferably, the inner wall of the outer cylinder is uniformly and fixedly provided with heating plates. Preferably, the driving piece comprises a motor, the motor is fixedly arranged in the outer cylinder, a gear is fixedly arranged on an output shaft of the motor, a toothed ring is fixedly arranged on the surface of the inner cylinder, and the gear is meshed with the toothed ring. Preferably, a fixing ring is fixedly arranged on the outer wall of the inner cylinder close to the top and used for supporting the solidified material. Preferably, the junction of connecting pipe and inner tube is provided with the rotation seal assembly, the rotation seal assembly is including installing the bearing in the inner tube bottom and encircle the sealing ring of connecting pipe, the connecting pipe passes through the bearing and rotates with the inner tube and be connected, the inner wall of sealing ring closely laminates with the outer wall of connecting pipe. The utility model has at least the following beneficial effects: Through utilizing the curing material, preheat the curing material and make it be half flow dynamic to 60 ℃, utilize the plasticity of material, can be along with the automatic deformation packing of sealing member edge profile, no matter how the plane size of sealing member, shape, edge radian change, can both form the sealed interface of laminating completely through pressing, then utilize ultraviolet lamp to shine and solidify, make it form sealed environment to the inner tube, then through aerifing the pressurize and detect the mode realization gas tightness detection to atmospheric pressure, solved the problem