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WO2020248463A1 - Box air-tightness detection device with good universality and adjustable pressure points - Google Patents

Box air-tightness detection device with good universality and adjustable pressure points Download PDF

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Publication number
WO2020248463A1
WO2020248463A1 PCT/CN2019/112740 CN2019112740W WO2020248463A1 WO 2020248463 A1 WO2020248463 A1 WO 2020248463A1 CN 2019112740 W CN2019112740 W CN 2019112740W WO 2020248463 A1 WO2020248463 A1 WO 2020248463A1
Authority
WO
WIPO (PCT)
Prior art keywords
unit
base
pressing
detection device
fixed
Prior art date
Application number
PCT/CN2019/112740
Other languages
French (fr)
Chinese (zh)
Inventor
程远
袁玉荣
马全康
Original Assignee
南京英尼格玛工业自动化技术有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 南京英尼格玛工业自动化技术有限公司 filed Critical 南京英尼格玛工业自动化技术有限公司
Publication of WO2020248463A1 publication Critical patent/WO2020248463A1/en

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Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M3/00Investigating fluid-tightness of structures
    • G01M3/02Investigating fluid-tightness of structures by using fluid or vacuum
    • G01M3/26Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
    • G01M3/32Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for containers, e.g. radiators

Definitions

  • the invention relates to a box air tightness detection device with good versatility and adjustable pressure point.
  • the air-tightness detection device in the prior art can only detect products of a specific model, and has poor versatility; in addition, when the workpiece to be detected has deformation problems, the detection accuracy is poor.
  • the technical problem to be solved by the present invention is to provide a box air tightness detection device with good versatility and adjustable pressure point.
  • the air tightness detection device can adapt to different types of products for air tightness detection, even if The workpiece has the problem of deformation, and good contact between the positioning support unit and the workpiece can also be achieved through the air-filled tube sealing gasket on the positioning support unit, thereby improving the detection accuracy of the device.
  • a box airtightness detection device with good versatility and adjustable pressure point comprising a base, a transfer unit slidably connected with the base, a positioning support unit fixed on the transfer unit, and a compression unit erected on the base
  • the base is in a frame structure, the two opposite sides of the base are fixed with a compression unit mounting frame, and the base is also provided with a guide rail structure
  • the transfer unit includes a drive unit and a drive unit that moves relative to the base Transplanting board
  • the positioning support unit is fixed on the transplanting board, the positioning support unit includes a bottom plate and a filler fixed on the bottom plate
  • the compression unit is erected on the base through the compression unit installation frame, and the compression unit is compressed by multiple groups
  • the structures are assembled together, and each group of pressing structures includes a pressing frame and a plurality of pressing mechanisms installed on the pressing frame.
  • a ring of inflatable tube sealing gasket is enclosed on the periphery of the filler, and the inflatable tube sealing gasket is connected to an external air source through a gas tube.
  • both ends of the positioning support unit are symmetrically provided with compression cylinders, and the fixed end of the compression cylinder is fixed on the bottom plate.
  • the compression cylinder When the compression cylinder is lifted, its lifting rod extends to press the workpiece to be tested in the horizontal direction. Tightly on the positioning support unit.
  • the driving unit is a jacking cylinder
  • the cylinder barrel (fixed part) of the jacking cylinder is fixed on the base by a fixed block
  • the jacking rod of the jacking cylinder is fixedly connected with the transfer plate
  • the bottom of the transfer plate is provided with a slider
  • the slider and the guide rail on the base are connected to each other, and the transfer board moves along the guide rail through the slider.
  • the positioning unit is symmetrically provided on both sides of the positioning support unit, the positioning unit includes a positioning pin and a sensor, and the sensor is connected to the PLC control box through a cable.
  • the base is also provided with a limit unit, which includes a limit seat, a limit buffer part and a sensor, and the sensor is connected to the PLC control box through a cable.
  • a limit unit which includes a limit seat, a limit buffer part and a sensor, and the sensor is connected to the PLC control box through a cable.
  • it also includes a PLC control box and a leak detector, which are installed on the base.
  • the pressing mechanism is one or a combination of air cylinders, hydraulic cylinders or airbags.
  • the fixed end of the pressing mechanism is fixedly connected with the adapter plate by bolts through the connecting plate, the jacking rod of the pressing mechanism passes through the through holes of the connecting plate and the adapter plate in turn, and the bottom of the pressing frame is provided with a T-shaped groove ,
  • the T-slot is fixedly connected to the adapter plate by T-bolts.
  • the air-tightness detection device of the present invention can be adapted to different types of products for air-tightness detection. Even if the workpiece to be detected has a problem of deformation, good contact between the positioning support unit and the workpiece can be achieved through the air-filled tube sealing gasket on the positioning support unit (Realize the close seam between metal and metal), thereby improving the detection accuracy of the device; in addition, because the position of the pressing mechanism on the pressing frame can be adjusted as required, the device of the present invention realizes pressing during the pressing process of the workpiece to be inspected.
  • the tightness is adjustable.
  • Figure 1 is a schematic diagram I of the structure of the air tightness detection device of the present invention.
  • Figure 2 is a schematic diagram II of the structure of the air tightness detection device of the present invention.
  • Figure 3 is a structural schematic diagram of loading and unloading when the transfer unit is moved out
  • Figure 4 is a schematic diagram of the structure when the transfer unit is moved in
  • Figure 5 is a schematic diagram I of the connection between the base and the transfer unit
  • Figure 6 is a schematic diagram II of the connection between the base and the transfer unit
  • Figure 7 is a schematic diagram of the connection between the compression unit and the mounting frame
  • Figure 8 is a schematic diagram of the structure of the compression unit
  • Figure 9 is a schematic structural diagram of a positioning support unit
  • Figure 10 is a schematic structural diagram of a positioning unit
  • Figure 11 is a schematic diagram of the structure of the limit unit
  • Figure 12 is a schematic diagram of the connection between the compression mechanism and the compression frame
  • Figure 13 is a schematic diagram of the loading and unloading station and the inspection station.
  • the box air tightness detection device with good versatility and adjustable pressure point of the present invention includes a base 9, a transfer unit slidably connected to the base 9, and a positioning support fixed on the transfer unit The unit 33 and the pressing unit 31 erected on the base 9; wherein the base 9 has a frame structure, and the two opposite sides of the base 9 are fixed with a pressing unit mounting frame 22, and the base 9 is also provided with a guide rail structure 14;
  • the transfer unit includes a drive unit and a transplanting plate 11 that moves relative to the base 9 under the drive of the drive unit;
  • the drive unit is a jacking cylinder 12, which is connected to an external air source through a gas pipe, and the cylinder barrel of the jacking cylinder 12 (Fixed part) is fixed on the base 9 by the fixing block 10, the lifting rod 23 of the lifting cylinder 12 and the transfer board 11 are fixedly connected by the connecting block 28, the bottom of the transfer board 11 is provided with a slider 13 which is connected to the The guide rails 14 on the base 9 are
  • the transfer board 11 moves relative to the guide rail 14 through the slider 13; the positioning support unit 33 is fixed on the transplant board 11 by bolts.
  • the positioning support unit 33 includes the bottom plate 1 and the filler 2 fixed on the bottom plate 1, and the filler 2 is used for
  • the filling material 2 is made of nylon material, which has a good filling effect.
  • the surface of the filling material 2 is equipped with a rubber gasket to prevent scratching the workpiece 30 to be tested;
  • the pressing unit 31 is erected on the base 9 through the pressing unit mounting frame 22
  • the pressing unit 31 is composed of multiple groups of pressing structures 21.
  • Each group of pressing structures 21 includes a pressing frame 19 and a plurality of pressing mechanisms 20 installed on the pressing frame 19, each group of pressing structures 21
  • the pressing unit mounting frame 22 is fixedly connected to the mounting base 16 on the side of the base 9 through the connecting portion 18 and the pressing unit mounting frame 22 is fixedly connected.
  • the pressing unit 31 functions to press and seal the workpiece
  • the pressing mechanism 20 may be Cylinders, hydraulic cylinders, airbags and other mechanisms that realize the compression function, the compression point is made of anti-crushing workpiece materials to avoid leaving indentations on the workpiece.
  • the cylinder or hydraulic rod is connected to an external air source or hydraulic pump through an air pipe or an oil pipe, respectively.
  • the fixed end of the pressing mechanism 20 is fixedly connected with the adapter plate 42 through the connecting plate 41 by bolts.
  • the jacking rod 32 of the pressing mechanism 20 passes through the through holes of the connecting plate 41 and the adapter plate 42 in turn, and the pressing frame There is a T-slot 45 at the bottom of 19, and a T-nut is embedded in the T-slot 45 (the T-nut can be automatically positioned and locked during assembly).
  • the compression frame 19 is fixedly connected to the adapter plate 42 through T-nuts and bolts.
  • the filler 2 is surrounded by a ring of inflatable tube sealing gasket 4, which is connected to an external air source through a gas pipe.
  • the inflatable tube sealing gasket 4 can realize a tight seam between metal and metal after the workpiece 30 to be tested is clamped. After the workpiece 30 to be tested is clamped, the gas-filled tube sealing gasket 4 realizes a tight metal-to-metal butt joint, which reduces the unnecessary stability time of the tightness test.
  • the two ends of the positioning support unit 33 are symmetrically provided with compression cylinders 3, and the fixed end of the compression cylinder 3 is fixed on the bottom plate 1.
  • the positioning support unit 33 is also provided with positioning units 8 symmetrically on both sides.
  • the positioning unit 8 includes a positioning pin 6 and a sensor 7. After the workpiece 30 to be detected is placed on the positioning support unit 33, the positioning unit 8 realizes accurate placement of the workpiece At the same time, the sensor 7 detects that the workpiece has been placed in place and transmits it to the PLC control box through the cable. At this time, the PLC control box moves the transfer board 11 under the pressing unit 31 through the drive unit, that is, the detection station.
  • limit units 17 are also provided on the base 9.
  • the limit units 17 are used to limit the moving position of the transfer plate 11 on the base 9.
  • the limit units 17 include limit seats 25 and limit buffers.
  • the part 26 and the sensor 27 are connected to the PLC control box through a cable.
  • the limit unit 17 includes three parts: a soft limit, a hard limit, and a sensor, and it mainly functions as a buffer, a limit, and a sensor to detect the position where the transfer board 11 moves into place.
  • the device of the present invention also includes a PLC control box and a leak detector 29, which is fixed on the base 9 through a mounting seat 24.
  • the leak detector 29 communicates with the cavity of the workpiece 30 to be tested through a pipeline.
  • the leak detector 29 is an instrument for detecting liquid or gas leakage in the pipeline or container. After the signal is activated, the workpiece 30 to be tested is automatically clamped, and then the leak is detected
  • the meter 29 automatically performs inflation, balance, detection, and exhaust, and makes a judgment after the detection. According to the test result and the judgment standard, the sound and light alarm is automatically carried out.
  • the electrical control part (PLC control box) 46 of the device of the present invention can be installed on the mounting bracket 44 in the base 9 or can be installed outside the base 9.
  • the pressing unit 31 and the positioning support unit 33 are respectively installed on the pressing unit mounting frame 22 and the transfer board 11; the transfer board 11 moves the positioning support unit 33 to the loading station through the driving unit (lifting cylinder 12) ,
  • the handling robot or worker places the workpiece 30 to be detected on the positioning support unit 33, and the sensor 7 detects that the workpiece has been placed in place, and the drive unit (lifting cylinder 12) receives the signal from the PLC control box and will place the workpiece to be detected
  • the positioning support unit 33 of 30 is transported to the detection station, and the position of the transfer board 11 is detected by the sensor 27.
  • the pressing unit 31 receives the signal from the PLC control box, and the lifting rod 32 of the pressing mechanism 20 extends, Press the workpiece 30 to be tested, and then the leak detector 29 starts testing; after the test is completed, the jacking rod 32 of the pressing mechanism 20 is retracted, and the transfer board 11 moves the positioning support unit 33 to the unloading station, and the handling robot or The worker takes the workpiece.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Examining Or Testing Airtightness (AREA)

Abstract

Disclosed is a box air-tightness detection device with good universality and adjustable pressure points, the box air-tightness detection device comprising a base (9), a transfer unit in sliding connection with the base (9), a positioning support unit (33) fixed on the transfer unit, and a pressing unit (31) erected on the base (9). The base (9) is of a frame structure, pressing unit mounting frames (22) are fixed to two opposite side edges of the base (9), and a guide rail structure (14) is further arranged on the base (9); the transfer unit comprises a driving unit and a transplanting plate (11) which is driven by the driving unit to move relative to the base (9); the positioning support unit (33) is fixed on the transplanting plate (11), and the positioning support unit (33) comprises a bottom plate (1) and a filler (2) fixed on the bottom plate (1); and the pressing unit (31) is erected on the base (9) by means of the pressing unit mounting frames (22), the pressing unit (31) is formed by means of assembling a plurality of sets of pressing structures (21), and each set of pressing structures (21) comprises a pressing frame (19) and a plurality of pressing mechanisms (20) mounted on the pressing frame (19).

Description

一种通用性好且压点可调的箱体气密性检测装置Box air tightness detection device with good universality and adjustable pressure point 技术领域Technical field
本发明涉及一种通用性好且压点可调的箱体气密性检测装置。 The invention relates to a box air tightness detection device with good versatility and adjustable pressure point.
背景技术Background technique
现有技术中的气密性检测装置只能针对特定型号的产品进行检测,通用性差;另外,当待检测的工件存在变形问题,检测精度差。The air-tightness detection device in the prior art can only detect products of a specific model, and has poor versatility; in addition, when the workpiece to be detected has deformation problems, the detection accuracy is poor.
技术问题technical problem
本发明所要解决的技术问题是提供一种通用性好且压点可调的箱体气密性检测装置,该气密性检测装置能够适应不同型号的产品进行气密性检测,即使待检测的工件存在变形的问题,通过定位支撑单元上的充气管密封垫圈也能实现定位支撑单元与工件良好的接触,从而提高装置的检测精度。The technical problem to be solved by the present invention is to provide a box air tightness detection device with good versatility and adjustable pressure point. The air tightness detection device can adapt to different types of products for air tightness detection, even if The workpiece has the problem of deformation, and good contact between the positioning support unit and the workpiece can also be achieved through the air-filled tube sealing gasket on the positioning support unit, thereby improving the detection accuracy of the device.
技术解决方案Technical solutions
为解决上述技术问题,本发明所采用的技术方案为:In order to solve the above technical problems, the technical solutions adopted by the present invention are:
一种通用性好且压点可调的箱体气密性检测装置,包括底座、与底座滑动连接的移载单元、固定在移载单元上的定位支撑单元以及架设在底座上的压紧单元;其中,所述底座呈框体结构,底座相对的两个侧边固定有压紧单元安装架,底座上还设有导轨结构;移载单元包括驱动单元以及在驱动单元驱动下相对底座移动的移栽板;定位支撑单元固定在移栽板上,定位支撑单元包括底板以及固定在底板上的填充物;压紧单元通过压紧单元安装架架设在底座上,压紧单元由多组压紧结构拼合而成,每组压紧结构包括压紧架以及安装在压紧架上的多个压紧机构。A box airtightness detection device with good versatility and adjustable pressure point, comprising a base, a transfer unit slidably connected with the base, a positioning support unit fixed on the transfer unit, and a compression unit erected on the base Wherein, the base is in a frame structure, the two opposite sides of the base are fixed with a compression unit mounting frame, and the base is also provided with a guide rail structure; the transfer unit includes a drive unit and a drive unit that moves relative to the base Transplanting board; the positioning support unit is fixed on the transplanting board, the positioning support unit includes a bottom plate and a filler fixed on the bottom plate; the compression unit is erected on the base through the compression unit installation frame, and the compression unit is compressed by multiple groups The structures are assembled together, and each group of pressing structures includes a pressing frame and a plurality of pressing mechanisms installed on the pressing frame.
其中,所述填充物的外围围合有一圈充气管密封垫圈,充气管密封垫圈通过气管与外部气源连接。Wherein, a ring of inflatable tube sealing gasket is enclosed on the periphery of the filler, and the inflatable tube sealing gasket is connected to an external air source through a gas tube.
其中,所述定位支撑单元两端对称设有压紧气缸,压紧气缸的固定端固定在底板上,当压紧气缸顶升时,其顶升杆伸出,沿水平方向将待检测工件压紧在定位支撑单元上。Wherein, both ends of the positioning support unit are symmetrically provided with compression cylinders, and the fixed end of the compression cylinder is fixed on the bottom plate. When the compression cylinder is lifted, its lifting rod extends to press the workpiece to be tested in the horizontal direction. Tightly on the positioning support unit.
其中,驱动单元为顶升气缸,顶升气缸的气缸筒体(固定部)通过固定块固定在底座上,顶升气缸的顶升杆与移载板固定连接,移载板底部设有滑块,滑块与底座上的导轨相互配合连接,移载板通过滑块沿着导轨移动。Among them, the driving unit is a jacking cylinder, the cylinder barrel (fixed part) of the jacking cylinder is fixed on the base by a fixed block, the jacking rod of the jacking cylinder is fixedly connected with the transfer plate, and the bottom of the transfer plate is provided with a slider , The slider and the guide rail on the base are connected to each other, and the transfer board moves along the guide rail through the slider.
其中,所述定位支撑单元两侧对称设有定位单元,定位单元包括定位销和传感器,传感器通过电缆与PLC控制箱连接。Wherein, the positioning unit is symmetrically provided on both sides of the positioning support unit, the positioning unit includes a positioning pin and a sensor, and the sensor is connected to the PLC control box through a cable.
其中,所述底座上还设有限位单元,限位单元包括限位座、限位缓冲部和传感器,传感器通过电缆与PLC控制箱连接。Wherein, the base is also provided with a limit unit, which includes a limit seat, a limit buffer part and a sensor, and the sensor is connected to the PLC control box through a cable.
其中,还包括PLC控制箱和检漏仪,PLC控制箱和检漏仪均安装在底座上。Among them, it also includes a PLC control box and a leak detector, which are installed on the base.
其中,压紧机构为气缸、液压缸或气囊中的一种或两种的结合。Among them, the pressing mechanism is one or a combination of air cylinders, hydraulic cylinders or airbags.
其中,压紧机构的固定端通过连接板与转接板通过螺栓固定连接,压紧机构的顶升杆依次从连接板与转接板的通孔穿过,压紧架底部设有T型槽,T型槽通过T型螺栓与转接板固定连接。Among them, the fixed end of the pressing mechanism is fixedly connected with the adapter plate by bolts through the connecting plate, the jacking rod of the pressing mechanism passes through the through holes of the connecting plate and the adapter plate in turn, and the bottom of the pressing frame is provided with a T-shaped groove , The T-slot is fixedly connected to the adapter plate by T-bolts.
有益效果Beneficial effect
相比于现有技术,本发明技术方案具有的有益效果为:Compared with the prior art, the technical solution of the present invention has the following beneficial effects:
本发明气密性检测装置能够适应不同型号的产品进行气密性检测,即使待检测的工件存在变形的问题,通过定位支撑单元上的充气管密封垫圈也能实现定位支撑单元与工件良好的接触(实现金属与金属的严丝合缝),从而提高装置的检测精度;另外,由于压紧机构在压紧架上的位置可以根据需要进行调整,从而本发明装置在对待检测工件压紧过程中实现了压紧点可调。The air-tightness detection device of the present invention can be adapted to different types of products for air-tightness detection. Even if the workpiece to be detected has a problem of deformation, good contact between the positioning support unit and the workpiece can be achieved through the air-filled tube sealing gasket on the positioning support unit (Realize the close seam between metal and metal), thereby improving the detection accuracy of the device; in addition, because the position of the pressing mechanism on the pressing frame can be adjusted as required, the device of the present invention realizes pressing during the pressing process of the workpiece to be inspected. The tightness is adjustable.
附图说明Description of the drawings
图1为本发明气密性检测装置的结构示意图I;Figure 1 is a schematic diagram I of the structure of the air tightness detection device of the present invention;
图2为本发明气密性检测装置的结构示意图II;Figure 2 is a schematic diagram II of the structure of the air tightness detection device of the present invention;
图3为移载单元移出时进行上下料的结构原理图;Figure 3 is a structural schematic diagram of loading and unloading when the transfer unit is moved out;
图4为移载单元移入时的结构原理图; Figure 4 is a schematic diagram of the structure when the transfer unit is moved in;
图5为底座与移载单元的连接示意图I; Figure 5 is a schematic diagram I of the connection between the base and the transfer unit;
图6为底座与移载单元的连接示意图II;Figure 6 is a schematic diagram II of the connection between the base and the transfer unit;
图7为压紧单元与安装架的连接示意图; Figure 7 is a schematic diagram of the connection between the compression unit and the mounting frame;
图8为压紧单元的结构示意图;Figure 8 is a schematic diagram of the structure of the compression unit;
图9为定位支撑单元的结构示意图;Figure 9 is a schematic structural diagram of a positioning support unit;
图10为定位单元的结构示意图;Figure 10 is a schematic structural diagram of a positioning unit;
图11为限位单元的结构示意图;Figure 11 is a schematic diagram of the structure of the limit unit;
图12为压紧机构与压紧架的连接示意图;Figure 12 is a schematic diagram of the connection between the compression mechanism and the compression frame;
图13为上下料工位和检测工位的示意图。Figure 13 is a schematic diagram of the loading and unloading station and the inspection station.
本发明的实施方式Embodiments of the invention
根据下述实施例,可以更好地理解本发明。然而,本领域的技术人员容易理解,实施例所描述的内容仅用于说明本发明,而不应当也不会限制权利要求书中所详细描述的本发明。According to the following examples, the present invention can be better understood. However, those skilled in the art can easily understand that the content described in the embodiments is only used to illustrate the present invention, and should not and will not limit the present invention described in detail in the claims.
如图1~13所示,本发明通用性好且压点可调的箱体气密性检测装置,包括底座9、与底座9滑动连接的移载单元、固定在移载单元上的定位支撑单元33以及架设在底座9上的压紧单元31;其中,底座9呈框体结构,底座9相对的两个侧边固定有压紧单元安装架22,底座9上还设有导轨结构14;移载单元包括驱动单元以及在驱动单元驱动下相对底座9移动的移栽板11;驱动单元为顶升气缸12,顶升气缸12通过气管与外部气源连接,顶升气缸12的气缸筒体(固定部)通过固定块10固定在底座9上,顶升气缸12的顶升杆23与移载板11通过连接块28固定连接,移载板11底部设有滑块13,滑块13与底座9上的导轨14相互配合连接,移载板11通过滑块13相对导轨14移动;定位支撑单元33通过螺栓固定在移栽板11上,当需要检测不同型号工件的气密性时,只需要将底板1上的定位支撑单元33拆卸下来,更换上所需型号的工件定位支撑单元33即可;定位支撑单元33包括底板1以及固定在底板1上的填充物2,填充物2用以减少充气时间,填充物2材料采用尼龙材质,填充效果好,另外填充物2表面配有橡胶垫片,防止划伤待检测工件30;压紧单元31通过压紧单元安装架22架设在底座9上,压紧单元31由多组压紧结构21拼合而成,每组压紧结构21包括压紧架19以及安装在压紧架19上的多个压紧机构20,每组压紧结构21通过连接部18与压紧单元安装架22固定连接,压紧单元安装架22与底座9侧边的安装底座16固定连接,压紧单元31起到压紧密封工件作用,压紧机构20可以是气缸、液压缸、气囊等实现压紧功能的机构,压紧点采用防压伤工件材料,避免在工件上留下压痕。气缸或液压杆分别通过气管或油管与外部气源或液压泵连接。压紧机构20的固定端通过连接板41与转接板42通过螺栓固定连接,压紧机构20的顶升杆32依次从连接板41与转接板42的通孔中穿过,压紧架19底部设有T型槽45,T型槽45内嵌有T型螺母(装配过程中,T型螺母可以自动定位,自动锁紧)。压紧架19通过T型螺母和螺栓与转接板42固定连接。当需要调节压紧机构20在压紧架19上的位置时,只需要放松T型螺母和螺栓,然后移动压紧机构20到所需位置后,再次拧紧T型螺母和螺栓,从而再次固定压紧机构20。 As shown in Figures 1-13, the box air tightness detection device with good versatility and adjustable pressure point of the present invention includes a base 9, a transfer unit slidably connected to the base 9, and a positioning support fixed on the transfer unit The unit 33 and the pressing unit 31 erected on the base 9; wherein the base 9 has a frame structure, and the two opposite sides of the base 9 are fixed with a pressing unit mounting frame 22, and the base 9 is also provided with a guide rail structure 14; The transfer unit includes a drive unit and a transplanting plate 11 that moves relative to the base 9 under the drive of the drive unit; the drive unit is a jacking cylinder 12, which is connected to an external air source through a gas pipe, and the cylinder barrel of the jacking cylinder 12 (Fixed part) is fixed on the base 9 by the fixing block 10, the lifting rod 23 of the lifting cylinder 12 and the transfer board 11 are fixedly connected by the connecting block 28, the bottom of the transfer board 11 is provided with a slider 13 which is connected to the The guide rails 14 on the base 9 are matched and connected with each other. The transfer board 11 moves relative to the guide rail 14 through the slider 13; the positioning support unit 33 is fixed on the transplant board 11 by bolts. When the air tightness of different types of workpieces needs to be tested, only It is necessary to disassemble the positioning support unit 33 on the bottom plate 1 and replace the workpiece positioning support unit 33 of the required model; the positioning support unit 33 includes the bottom plate 1 and the filler 2 fixed on the bottom plate 1, and the filler 2 is used for The filling material 2 is made of nylon material, which has a good filling effect. In addition, the surface of the filling material 2 is equipped with a rubber gasket to prevent scratching the workpiece 30 to be tested; the pressing unit 31 is erected on the base 9 through the pressing unit mounting frame 22 Above, the pressing unit 31 is composed of multiple groups of pressing structures 21. Each group of pressing structures 21 includes a pressing frame 19 and a plurality of pressing mechanisms 20 installed on the pressing frame 19, each group of pressing structures 21 The pressing unit mounting frame 22 is fixedly connected to the mounting base 16 on the side of the base 9 through the connecting portion 18 and the pressing unit mounting frame 22 is fixedly connected. The pressing unit 31 functions to press and seal the workpiece, and the pressing mechanism 20 may be Cylinders, hydraulic cylinders, airbags and other mechanisms that realize the compression function, the compression point is made of anti-crushing workpiece materials to avoid leaving indentations on the workpiece. The cylinder or hydraulic rod is connected to an external air source or hydraulic pump through an air pipe or an oil pipe, respectively. The fixed end of the pressing mechanism 20 is fixedly connected with the adapter plate 42 through the connecting plate 41 by bolts. The jacking rod 32 of the pressing mechanism 20 passes through the through holes of the connecting plate 41 and the adapter plate 42 in turn, and the pressing frame There is a T-slot 45 at the bottom of 19, and a T-nut is embedded in the T-slot 45 (the T-nut can be automatically positioned and locked during assembly). The compression frame 19 is fixedly connected to the adapter plate 42 through T-nuts and bolts. When the position of the pressing mechanism 20 on the pressing frame 19 needs to be adjusted, it is only necessary to loosen the T-nut and bolt, and then move the pressing mechanism 20 to the desired position, and then tighten the T-nut and bolt again to fix the pressure again. Tight agency 20.
填充物2的外围围合有一圈充气管密封垫圈4,充气管密封垫圈4通过气管与外部气源连接,充气管密封垫圈4能够在待检测工件30被夹紧后实现金属与金属的严丝合缝。当待检测工件30被夹紧之后,充气管密封垫圈4实现金属对金属的严密对接,减少了不必要的密封性测试的稳定时间。The filler 2 is surrounded by a ring of inflatable tube sealing gasket 4, which is connected to an external air source through a gas pipe. The inflatable tube sealing gasket 4 can realize a tight seam between metal and metal after the workpiece 30 to be tested is clamped. After the workpiece 30 to be tested is clamped, the gas-filled tube sealing gasket 4 realizes a tight metal-to-metal butt joint, which reduces the unnecessary stability time of the tightness test.
本发明装置中,定位支撑单元33两端对称设有压紧气缸3,压紧气缸3的固定端固定在底板1上,当压紧气缸3顶升时,其顶升杆5伸出,顶升杆5沿水平方向将待检测工件30压紧在定位支撑单元33上。定位支撑单元33两侧还对称设有定位单元8,定位单元8包括定位销6和传感器7,当待检测工件30被放置到定位支撑单元33上后,通过定位单元8实现工件的精确摆放定位,同时传感器7检测到工件已摆放到位,通过电缆传达给PLC控制箱,此时PLC控制箱通过驱动单元将移载板11移入压紧单元31下方,即检测工位处。In the device of the present invention, the two ends of the positioning support unit 33 are symmetrically provided with compression cylinders 3, and the fixed end of the compression cylinder 3 is fixed on the bottom plate 1. When the compression cylinder 3 is lifted, its lifting rod 5 extends, and the top The lifting rod 5 presses the workpiece 30 to be detected on the positioning support unit 33 in the horizontal direction. The positioning support unit 33 is also provided with positioning units 8 symmetrically on both sides. The positioning unit 8 includes a positioning pin 6 and a sensor 7. After the workpiece 30 to be detected is placed on the positioning support unit 33, the positioning unit 8 realizes accurate placement of the workpiece At the same time, the sensor 7 detects that the workpiece has been placed in place and transmits it to the PLC control box through the cable. At this time, the PLC control box moves the transfer board 11 under the pressing unit 31 through the drive unit, that is, the detection station.
本发明装置中,底座9上还设有四个限位单元17,限位单元17用于限制移载板11在底座9上的移动位置,限位单元17包括限位座25、限位缓冲部26和传感器27,传感器27通过电缆与PLC控制箱连接。限位单元17包括软限位、硬限位以及传感器三部分,主要起缓冲、限制、传感器检测移载板11移动到位的位置。In the device of the present invention, four limit units 17 are also provided on the base 9. The limit units 17 are used to limit the moving position of the transfer plate 11 on the base 9. The limit units 17 include limit seats 25 and limit buffers. The part 26 and the sensor 27 are connected to the PLC control box through a cable. The limit unit 17 includes three parts: a soft limit, a hard limit, and a sensor, and it mainly functions as a buffer, a limit, and a sensor to detect the position where the transfer board 11 moves into place.
本发明装置还包括PLC控制箱和检漏仪29,检漏仪29通过安装座24固定在底座9上。检漏仪29通过管道与待检测工件30的空腔连通,检漏仪29是检测管线或容器中的液体或气体泄漏的仪器,启动信号后,自动对待检测工件30进行夹紧,然后检漏仪29自动实行充气、平衡、检测、排气,检测结束后作出判定。根据测试结果以及判定标准,自动进行声光报警。本发明装置的电气控制部分(PLC控制箱)46可以安装在底座9内的安装支架44上,也可以安装在底座9外部。The device of the present invention also includes a PLC control box and a leak detector 29, which is fixed on the base 9 through a mounting seat 24. The leak detector 29 communicates with the cavity of the workpiece 30 to be tested through a pipeline. The leak detector 29 is an instrument for detecting liquid or gas leakage in the pipeline or container. After the signal is activated, the workpiece 30 to be tested is automatically clamped, and then the leak is detected The meter 29 automatically performs inflation, balance, detection, and exhaust, and makes a judgment after the detection. According to the test result and the judgment standard, the sound and light alarm is automatically carried out. The electrical control part (PLC control box) 46 of the device of the present invention can be installed on the mounting bracket 44 in the base 9 or can be installed outside the base 9.
压紧单元31和定位支撑单元33分别安装在压紧单元安装架22以及移载板11上;移载板11通过驱动单元(顶升气缸12)将定位支撑单元33移动到上料工位处,搬运机器人或工人将待检测工件30放置在定位支撑单元33上,通过传感器7检测到工件已摆放到位,驱动单元(顶升气缸12)收到PLC控制箱的信号,将放置有待检测工件30的定位支撑单元33输送至检测工位,通过传感器27检测到移载板11移动到位的位置,压紧单元31收到PLC控制箱的信号,压紧机构20的顶升杆32伸出,压紧待检测工件30,然后检漏仪29开始检测;检测完成后,压紧机构20的顶升杆32收回,移载板11将定位支撑单元33移动到下料工位处,搬运机器人或工人取走工件。The pressing unit 31 and the positioning support unit 33 are respectively installed on the pressing unit mounting frame 22 and the transfer board 11; the transfer board 11 moves the positioning support unit 33 to the loading station through the driving unit (lifting cylinder 12) , The handling robot or worker places the workpiece 30 to be detected on the positioning support unit 33, and the sensor 7 detects that the workpiece has been placed in place, and the drive unit (lifting cylinder 12) receives the signal from the PLC control box and will place the workpiece to be detected The positioning support unit 33 of 30 is transported to the detection station, and the position of the transfer board 11 is detected by the sensor 27. The pressing unit 31 receives the signal from the PLC control box, and the lifting rod 32 of the pressing mechanism 20 extends, Press the workpiece 30 to be tested, and then the leak detector 29 starts testing; after the test is completed, the jacking rod 32 of the pressing mechanism 20 is retracted, and the transfer board 11 moves the positioning support unit 33 to the unloading station, and the handling robot or The worker takes the workpiece.

Claims (9)

  1. 一种通用性好且压点可调的箱体气密性检测装置,其特征在于:包括底座、与底座滑动连接的移载单元、固定在移载单元上的定位支撑单元以及架设在底座上的压紧单元;其中,所述底座呈框体结构,底座相对的两个侧边固定有压紧单元安装架,底座上还设有导轨结构;移载单元包括驱动单元以及在驱动单元驱动下相对底座移动的移栽板;定位支撑单元固定在移栽板上,定位支撑单元包括底板以及固定在底板上的填充物;压紧单元通过压紧单元安装架架设在底座上,压紧单元由多组压紧结构拼合而成,每组压紧结构包括压紧架以及安装在压紧架上的多个压紧机构。A box airtightness detection device with good versatility and adjustable pressure point, which is characterized in that it comprises a base, a transfer unit slidably connected to the base, a positioning support unit fixed on the transfer unit, and an erection on the base The compression unit; wherein the base is a frame structure, the two opposite sides of the base are fixed with a compression unit mounting frame, and the base is also provided with a guide rail structure; the transfer unit includes a drive unit and is driven by the drive unit The transplanting board that moves relative to the base; the positioning support unit is fixed on the transplanting board, and the positioning support unit includes a bottom plate and a filler fixed on the bottom plate; the pressing unit is erected on the base through the mounting bracket of the pressing unit, and the pressing unit is Multiple sets of pressing structures are assembled together, and each set of pressing structures includes a pressing frame and a plurality of pressing mechanisms installed on the pressing frame.
  2. 根据权利要求1所述的通用性好且压点可调的箱体气密性检测装置,其特征在于:所述填充物的外围围合有一圈充气管密封垫圈,充气管密封垫圈通过气管与外部气源连接。The box airtightness detection device with good versatility and adjustable pressure point according to claim 1, characterized in that: the outer periphery of the filler is surrounded by a ring of inflatable tube sealing gasket, and the inflatable tube sealing gasket passes through the trachea and External air supply connection.
  3. 根据权利要求1所述的通用性好且压点可调的箱体气密性检测装置,其特征在于:所述定位支撑单元两端对称设有压紧气缸,压紧气缸的固定端固定在底板上,当压紧气缸顶升时,其顶升杆伸出,沿水平方向将待检测工件压紧在定位支撑单元上。The box airtightness detection device with good versatility and adjustable pressure point according to claim 1, characterized in that: two ends of the positioning support unit are symmetrically provided with compression cylinders, and the fixed end of the compression cylinder is fixed at On the bottom plate, when the pressing cylinder is lifted up, its lifting rod extends and presses the workpiece to be detected on the positioning support unit in a horizontal direction.
  4. 根据权利要求1所述的通用性好且压点可调的箱体气密性检测装置,其特征在于:驱动单元为顶升气缸,顶升气缸的固定部通过固定块固定在底座上,顶升气缸的顶升杆与移载板固定连接,移载板底部设有滑块,滑块与底座上的导轨相互配合连接,移载板通过滑块沿着导轨移动。The box airtightness detection device with good versatility and adjustable pressure point according to claim 1, characterized in that the driving unit is a jacking cylinder, and the fixing part of the jacking cylinder is fixed on the base by a fixed block, and the top The lifting rod of the lifting cylinder is fixedly connected with the transfer board, the bottom of the transfer board is provided with a sliding block, and the sliding block is connected with the guide rail on the base, and the transfer board moves along the guide rail through the sliding block.
  5. 根据权利要求1所述的通用性好且压点可调的箱体气密性检测装置,其特征在于:还包括PLC控制箱和检漏仪,PLC控制箱和检漏仪均安装在底座上。The box airtightness detection device with good versatility and adjustable pressure point according to claim 1, characterized in that it further comprises a PLC control box and a leak detector, and the PLC control box and the leak detector are both installed on the base .
  6. 根据权利要求1所述的通用性好且压点可调的箱体气密性检测装置,其特征在于:压紧机构为气缸、液压缸或气囊中的一种或两种的结合。The box airtightness detection device with good versatility and adjustable pressure point according to claim 1, wherein the pressing mechanism is one or a combination of air cylinder, hydraulic cylinder or air bag.
  7. 根据权利要求5所述的通用性好且压点可调的箱体气密性检测装置,其特征在于:定位支撑单元两侧对称设有定位单元,定位单元包括定位销和传感器,传感器通过电缆与PLC控制箱连接。The box airtightness detection device with good versatility and adjustable pressure point according to claim 5, characterized in that the positioning unit is symmetrically provided on both sides of the positioning support unit, the positioning unit includes a positioning pin and a sensor, and the sensor passes through a cable Connect with PLC control box.
  8. 根据权利要求5所述的通用性好且压点可调的箱体气密性检测装置,其特征在于:底座上还设有限位单元,限位单元包括限位座、限位缓冲部和传感器,传感器通过电缆与PLC控制箱连接。The box airtightness detection device with good versatility and adjustable pressure point according to claim 5, characterized in that: a limit unit is further provided on the base, and the limit unit includes a limit seat, a limit buffer and a sensor , The sensor is connected to the PLC control box through a cable.
  9. 根据权利要求6所述的通用性好且压点可调的箱体气密性检测装置,其特征在于:压紧机构的固定端通过连接板与转接板通过螺栓固定连接,压紧机构的顶升杆依次从连接板与转接板上的通孔穿过,压紧架底部设有T型槽,T型槽通过T型螺母与转接板固定连接。The box airtightness detection device with good versatility and adjustable pressure point according to claim 6, characterized in that: the fixed end of the pressing mechanism is fixedly connected with the adapter plate by bolts, and the pressing mechanism The jacking rods sequentially pass through the through holes of the connecting plate and the adapter plate, the bottom of the compression frame is provided with a T-shaped groove, and the T-shaped groove is fixedly connected with the adapter plate through a T-shaped nut.
PCT/CN2019/112740 2019-06-12 2019-10-23 Box air-tightness detection device with good universality and adjustable pressure points WO2020248463A1 (en)

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