CN108692877A - Filter seals efficient detection device - Google Patents
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- CN108692877A CN108692877A CN201810891353.3A CN201810891353A CN108692877A CN 108692877 A CN108692877 A CN 108692877A CN 201810891353 A CN201810891353 A CN 201810891353A CN 108692877 A CN108692877 A CN 108692877A
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- 238000001514 detection method Methods 0.000 title claims abstract description 65
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 21
- 238000007789 sealing Methods 0.000 claims abstract description 17
- 239000002184 metal Substances 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
- G01M3/06—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point by observing bubbles in a liquid pool
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Abstract
本发明公开了一种滤清器密封性高效检测装置，包括检测平台、下压气缸、气罩以及用于将滤清器下拉的下拉结构，所述气罩设在下压气缸的活塞杆下端，气罩位于检测平台的正上方，所述气罩上设有气嘴，气嘴与水盒或压力传感器相连，检测平台上设有向滤清器内进气的气孔，所述下拉结构设在检测平台下方。该滤清器密封性高效检测装置结构设计合理，滤清器端部密封性检测操作简便，大幅提高了检测效率；并且无需设置专用的滤清器端部密封盖，检测准确稳定。
The invention discloses a high-efficiency detection device for the airtightness of a filter, which comprises a detection platform, a press-down cylinder, an air cover and a pull-down structure for pulling down the filter. The air cover is arranged at the lower end of the piston rod of the press-down cylinder. The air cover is located directly above the detection platform, the air cover is provided with an air nozzle, the air nozzle is connected with the water box or the pressure sensor, the detection platform is provided with an air hole for air intake into the filter, and the pull-down structure is set at Check the bottom of the platform. The structure design of the high-efficiency filter airtightness detection device is reasonable, the airtightness detection at the end of the filter is easy to operate, and the detection efficiency is greatly improved; and there is no need to set a special filter end sealing cover, and the detection is accurate and stable.
Description
技术领域technical field
本发明涉及滤清器检测技术领域，尤其是涉及一种滤清器密封性高效检测装置。The invention relates to the technical field of filter detection, in particular to a high-efficiency detection device for filter tightness.
背景技术Background technique
滤清器的端部与滤清器端部内的盖板之间易出现密封问题，因此生产出来的滤清器需要做密封性检测。目前的滤清器密封性检测没有专用检测装置，多是通过人工端部密封检测气压，检测效率低，检测稳定可靠性差。Sealing problems are prone to occur between the end of the filter and the cover plate inside the end of the filter, so the produced filter needs to be tested for tightness. At present, there is no special detection device for filter airtightness detection, and the air pressure is mostly detected by manual end sealing, which has low detection efficiency and poor detection stability and reliability.
发明内容Contents of the invention
针对现有技术不足，本发明所要解决的技术问题是提供一种滤清器密封性高效检测装置，以达到检测效率高的目的。Aiming at the deficiencies of the prior art, the technical problem to be solved by the present invention is to provide a high-efficiency detection device for filter tightness, so as to achieve the purpose of high detection efficiency.
为了解决上述技术问题，本发明所采用的技术方案为：In order to solve the problems of the technologies described above, the technical solution adopted in the present invention is:
该滤清器密封性高效检测装置，包括检测平台、下压气缸、气罩以及用于将滤清器下拉的下拉结构，所述气罩设在下压气缸的活塞杆下端，气罩位于检测平台的正上方，所述气罩上设有气嘴，气嘴与水盒或压力传感器相连，检测平台上设有向滤清器内进气的气孔，所述下拉结构设在检测平台下方。The high-efficiency detection device for filter sealing includes a detection platform, a press-down cylinder, an air cover and a pull-down structure for pulling down the filter. Directly above the air cover, an air nozzle is provided on the air cover, and the air nozzle is connected with the water box or the pressure sensor. The detection platform is provided with an air hole for air intake into the filter, and the pull-down structure is arranged below the detection platform.
进一步的，所述检测平台上设有橡胶垫。Further, a rubber pad is provided on the detection platform.
所述气罩为下端开口的圆筒结构，下端开口端面上设有环形密封圈。The air cover is a cylindrical structure with an open lower end, and an annular sealing ring is arranged on the end face of the lower end open.
所述气罩的顶部与活塞杆下端之间通过螺纹结构相连。The top of the gas cover is connected with the lower end of the piston rod through a screw thread structure.
所述水盒为透明水盒，对应水盒设有检测相机。The water box is a transparent water box, and a detection camera is provided corresponding to the water box.
所述下拉结构包括下拉气缸和设在下拉气缸上可插入滤清器开口端螺纹孔内部张开的勾手结构，下拉气缸位于检测平台下方，勾手结构位于气孔内。The pull-down structure includes a pull-down cylinder and a hook structure on the pull-down cylinder that can be inserted into the threaded hole at the open end of the filter. The pull-down cylinder is located under the detection platform, and the hook structure is located in the air hole.
所述气罩为金属气罩。The gas mask is a metal gas mask.
所述检测水盒的上部设有出气通道，所述出气通道为折弯通道。The upper part of the detection water box is provided with an air outlet channel, and the air outlet channel is a bent channel.
本发明与现有技术相比，具有以下优点：该滤清器密封性高效检测装置结构设计合理，滤清器端部密封性检测操作简便，大幅提高了检测效率；并且无需设置专用的滤清器端部密封盖，检测准确稳定。Compared with the prior art, the present invention has the following advantages: the structure design of the high-efficiency filter airtightness detection device is reasonable, the airtightness detection at the end of the filter is easy to operate, and the detection efficiency is greatly improved; and there is no need to set a special filter The sealing cap at the end of the device ensures accurate and stable detection.
附图说明Description of drawings
下面对本说明书各幅附图所表达的内容及图中的标记作简要说明：The following is a brief description of the content expressed in the drawings of this manual and the marks in the drawings:
图1为本发明检测装置结构示意图。Fig. 1 is a schematic structural diagram of the detection device of the present invention.
图2为本发明气罩结构示意图。Fig. 2 is a schematic diagram of the structure of the gas mask of the present invention.
图中：In the picture:
1.检测平台、2.下拉气缸、3.气罩、301.气罩筒体、302.连接头、303.气罩下法兰盘、304.气嘴、4.下压气缸。1. Detection platform, 2. Pull-down cylinder, 3. Air cover, 301. Air cover cylinder, 302. Connector, 303. Flange under the air cover, 304. Air nozzle, 4. Down-press cylinder.
具体实施方式Detailed ways
下面对照附图，通过对实施例的描述，对本发明的具体实施方式作进一步详细的说明。The specific implementation manner of the present invention will be described in further detail below by describing the embodiments with reference to the accompanying drawings.
如图1和图2所示，该滤清器密封性高效检测装置，包括检测平台1、下压气缸4、气罩3以及用于将滤清器下拉的下拉结构，气罩设在下压气缸的活塞杆下端，气罩位于检测平台的正上方，气罩3上设有气嘴304，气嘴与水盒或压力传感器相连，检测平台1上设有向滤清器内进气的气孔，下拉结构设在检测平台下方。As shown in Figure 1 and Figure 2, the high-efficiency detection device for filter sealing includes a detection platform 1, a press-down cylinder 4, an air cover 3 and a pull-down structure for pulling down the filter, and the air cover is arranged on the press-down cylinder The lower end of the piston rod, the gas cover is located directly above the detection platform, the gas cover 3 is provided with a gas nozzle 304, the gas nozzle is connected with the water box or the pressure sensor, and the detection platform 1 is provided with air holes for air intake into the filter, The pull-down structure is set under the detection platform.
将待检测的竖直滤清器放置在检测平台上，滤清器的下端开口位于检测平台上，检测平台的气孔位于滤清器的下端开口内，气罩向下运动罩住待检测的滤清器，气罩通过下端的密封圈与检测平台压紧密封，通过下拉结构将滤清器端口处密封圈压紧在检测平台上密封，通过检测平台上的气孔向滤清器腔体内进气，通过检测气罩上的气嘴是否有气体流出，从而检测滤清器端部是否存在泄漏。如气嘴有气体流出，其滤清器存在泄漏为废品。Place the vertical filter to be tested on the testing platform, the lower opening of the filter is located on the testing platform, the air hole of the testing platform is located in the lower opening of the filter, and the air cover moves downward to cover the filter to be tested. Clean the filter, the air cover is compressed and sealed with the detection platform through the sealing ring at the lower end, the sealing ring at the filter port is pressed and sealed on the detection platform through the pull-down structure, and the air enters the filter cavity through the air holes on the detection platform , by detecting whether there is gas flowing out of the gas nozzle on the gas hood, so as to detect whether there is leakage at the end of the filter. If there is gas flowing out of the gas nozzle, the filter is leaking and it is a waste product.
检测平台的上方设有下压气缸，下压气缸的活塞杆端部与气罩顶部相连。气罩为下端开口的圆筒结构，下端开口端面上设有环形密封圈，将气罩压下通过气罩的下端密封圈与检测平台相配合实现气罩下端密封。A downward pressure cylinder is arranged above the detection platform, and the end of the piston rod of the downward pressure cylinder is connected with the top of the air cover. The gas hood is a cylindrical structure with an open lower end, and an annular sealing ring is provided on the open end surface of the lower end. When the gas hood is pressed down, the lower end sealing ring of the gas hood cooperates with the detection platform to realize the sealing of the lower end of the gas hood.
气罩的下开口处设有气罩下法兰盘303，气罩筒体301和气罩下法兰盘连接在一起，法兰面上设有环形凹槽，密封圈设在环形凹槽内；气罩的顶部设有连接头302，连接头与下压气缸的活塞杆端部相连；连接头与下压气缸的活塞杆端部通过螺纹结构相连，连接简便。The lower opening of the gas hood is provided with a lower flange 303 of the gas hood, the cylinder body 301 of the gas hood is connected with the lower flange of the gas hood, an annular groove is arranged on the flange surface, and the sealing ring is arranged in the annular groove; The top of the air cover is provided with a connector 302, which is connected to the end of the piston rod of the down-pressing cylinder; the connector is connected to the end of the piston rod of the down-pressing cylinder through a thread structure, and the connection is simple.
检测平台1的上表面上设有橡胶垫；气罩的内顶部设有弹性垫片，通过弹性垫片，柔性接触，可降低对工件表面加工精度要求，提高密封效果。The upper surface of the detection platform 1 is provided with a rubber pad; the inner top of the air cover is provided with an elastic gasket, through the elastic gasket, the flexible contact can reduce the requirement for the machining accuracy of the workpiece surface and improve the sealing effect.
滤清器密封性结果通过检测水盒或压力传感器体现。其中，检测水盒的进气口通过管路与气罩上的气嘴相连通，对应检测水盒设置的检测相机，检测水盒为透明水盒，通过检测水盒中气泡来检测密封性能，其通过检测相机自动捕捉气泡分析滤清器是否存在泄漏。The result of filter tightness is reflected by testing the water box or pressure sensor. Among them, the air inlet of the detection water box is connected with the air nozzle on the gas cover through the pipeline, corresponding to the detection camera installed in the detection water box, the detection water box is a transparent water box, and the sealing performance is detected by detecting the air bubbles in the water box. It automatically captures air bubbles and analyzes the filter for leaks by detecting the camera.
气罩为金属气罩。检测水盒的上部设有出气通道，出气通道为折弯通道；由于存在气泡将水溅出，为防止水溅出将出气通道设计折弯通道。The gas hood is a metal gas hood. The upper part of the detection water box is provided with an air outlet channel, and the air outlet channel is a bent channel; due to the existence of air bubbles that splash water, the air outlet channel is designed to be bent to prevent water from splashing out.
下拉结构包括下拉气缸2和设在下拉气缸上可插入滤清器开口端螺纹孔内部张开的勾手结构，下拉气缸位于检测平台下方，勾手结构位于气孔内。勾手结构包括相对设置两半结构，两半结构顶部设有可错位张开的倒钩结构，下拉气缸的活塞杆为拉轴，对应拉轴下端设有用于驱动拉轴转动的转动气缸，从而实现勾手结构张开。The pull-down structure includes a pull-down cylinder 2 and a hook structure on the pull-down cylinder that can be inserted into the threaded hole at the open end of the filter. The pull-down cylinder is located under the detection platform, and the hook structure is located in the air hole. The hook structure includes two half structures opposite to each other. The top of the two half structures is provided with a barb structure that can be dislocated and opened. The piston rod of the pull-down cylinder is a pull shaft. Realize the opening of the hook structure.
或者，下拉结构包括下拉气缸和设在下拉气缸上可旋转与滤清器开口端螺纹孔配合的螺纹柱体，下拉气缸位于检测平台下方，螺纹柱体位于气孔内；螺纹柱体与滤清器开口螺纹孔配合通过下拉气缸下拉，滤清器开口端的密封圈与检测平台压紧密封。Alternatively, the pull-down structure includes a pull-down cylinder and a threaded cylinder that is rotatable on the pull-down cylinder and fits in the threaded hole at the opening end of the filter, the pull-down cylinder is located below the detection platform, and the threaded cylinder is located in the air hole; the threaded cylinder and the filter The opening threaded hole cooperates to be pulled down through the pull-down cylinder, and the sealing ring at the opening end of the filter is compressed and sealed with the detection platform.
上述仅为对本发明较佳的实施例说明，上述技术特征可以任意组合形成多个本发明的实施例方案。The foregoing is only an illustration of preferred embodiments of the present invention, and the above technical features can be combined arbitrarily to form multiple embodiments of the present invention.
上面结合附图对本发明进行了示例性描述，显然本发明具体实现并不受上述方式的限制，只要采用了本发明的构思和技术方案进行的各种非实质性的改进，或未经改进将本发明的构思和技术方案直接应用于其它场合的，均在本发明的保护范围之内。The present invention has been exemplarily described above in conjunction with the accompanying drawings. Obviously, the specific implementation of the present invention is not limited by the above methods, as long as various insubstantial improvements are made using the ideas and technical solutions of the present invention, or the present invention will be The ideas and technical solutions of the present invention that are directly applied to other occasions are within the protection scope of the present invention.
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| CN110174217A (en) * | 2019-06-20 | 2019-08-27 | 高博集团有限公司 | A kind of fuel filter leak-testing apparatus and its detection method |
| CN112857706A (en) * | 2021-01-08 | 2021-05-28 | 宁波海蓝气动有限公司 | Pneumatic valve check out test set |
| CN113447215A (en) * | 2021-06-17 | 2021-09-28 | 枣庄金飞汽车设备科技有限公司 | Special detection device for dry-type sealing performance test of motor vehicle oil filter |
| CN113560958A (en) * | 2021-07-26 | 2021-10-29 | 厦门东卓工贸有限公司 | Valve body processing equipment and processing technology of valve faucet |
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| CN110426161B (en) * | 2019-08-14 | 2024-02-23 | 苏州工业职业技术学院 | Filter internal leakage test equipment |
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Application publication date: 20181023 |
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| RJ01 | Rejection of invention patent application after publication |