WO2021248732A1 - 流水线用气密性检测装置 - Google Patents

流水线用气密性检测装置 Download PDF

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Publication number
WO2021248732A1
WO2021248732A1 PCT/CN2020/116635 CN2020116635W WO2021248732A1 WO 2021248732 A1 WO2021248732 A1 WO 2021248732A1 CN 2020116635 W CN2020116635 W CN 2020116635W WO 2021248732 A1 WO2021248732 A1 WO 2021248732A1
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WIPO (PCT)
Prior art keywords
positioning
detection
plate
assembly line
fixed
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PCT/CN2020/116635
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English (en)
French (fr)
Inventor
汪喜财
徐根丰
陈建华
Original Assignee
横店集团英洛华电气有限公司
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Application filed by 横店集团英洛华电气有限公司 filed Critical 横店集团英洛华电气有限公司
Publication of WO2021248732A1 publication Critical patent/WO2021248732A1/zh

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    • 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

Definitions

  • the invention relates to an automatic inspection device for an assembly line, in particular to an air tightness inspection device for an assembly line.
  • the air tightness of products such as motors or gearboxes is checked by workers one by one on the work jacket. Inject high-pressure air into the product, and then maintain the pressure for a period of time, and judge the air tightness of the product by checking whether the pressure value after the pressure is within the set range.
  • the purpose of the present invention is to provide an airtightness detection device for an assembly line that can improve the detection efficiency and reduce the labor intensity of workers.
  • an airtightness detection device for an assembly line comprising an assembly line and a flow board arranged on the assembly line, the assembly line is provided with a positioning mechanism and a detection mechanism, and the detection mechanism is located in the positioning mechanism Above, the flow plate can be moved between the positioning mechanism and the detection mechanism under the action of the assembly line.
  • the positioning mechanism includes a jacking drive mechanism and at least two upwardly extending positioning pins.
  • the jacking drive mechanism has a vertically arranged The first lifting rod, the top of the first lifting rod is provided with a lifting plate, the positioning pin is fixed on the lifting plate, the flow plate is provided with a positioning hole that opens downward and corresponds to the positioning pin, and the detection mechanism includes a downward pressure A driving mechanism, the down-pressing driving mechanism has a vertical second lifting rod, the lower end of the second lifting rod is fixed with a detection indenter, the lower end of the detection indenter is concave to form a vent groove, the detection The pressure head is provided with a vent hole penetrating the inside and outside, one end of the vent hole is connected with the vent groove, and the other end of the vent hole is connected with an air source through an air pipe.
  • the product When using the device of the present invention, the product is placed on the flow board of the assembly line, and the flow board drives the product to move, so that the product enters the detection area and is removed from the detection area.
  • Stop the flow board by manipulating the assembly line to stop, and then start the jacking drive mechanism to make the positioning pin extend into the positioning hole of the flow board to achieve the positioning and fixation of the flow board, and the lifting board continues to move upward to lift the flow board.
  • the driving mechanism In order to make the flow board out of the assembly line, and then press the driving mechanism to work, realize the alignment of the product on the flow board with the detection head of the detection mechanism, and realize the contact and seal between the detection head and the product output end shell by pressing.
  • the air source supplies air and carries out the inspection process of pressure maintaining and pressure size inspection. Among them, how to achieve air supply, how to achieve pressure holding for a certain period of time, and how to achieve the collection of air pressure value in the product are all existing conventional technologies.
  • the arrangement of the present invention eliminates the need for workers to carry products up and down, can reduce the labor intensity of workers, and can improve the air tightness detection efficiency of the products, so as to improve the production efficiency of the products.
  • the jacking drive mechanism can lift the flow plate to separate the flow plate from the conveyor belt of the assembly line to prevent the flow plate from tilting under the pressure of the detection head, so as to improve the sealing effect between the product and the detection head. Detection accuracy.
  • the positioning mechanism includes a fixed plate, the jacking drive mechanism is fixed to the fixed plate, and a plurality of guiding mechanisms are arranged between the fixed plate and the lifting plate, and the guiding mechanism includes a vertical guide rod.
  • the setting of the guide rod can avoid the tilting of the lifting plate, so that the flow plate will not be tilted, so that the contact seal between the product and the detection head can be ensured, so that the detection effect is more accurate.
  • a blocking mechanism is provided on the front side of the positioning mechanism, and the blocking mechanism includes a blocker for restricting the flow plate from continuing to move forward, and the blocker is electrically connected with the positioning sensor.
  • the positioning sensor is triggered when it is down, so that the stopper restricts the movement of the flow plate.
  • the stopper can be an existing assembly line stopper (existing product on the market) that is suitable for assembly lines and can realize the limit of the flow board.
  • the positioning sensor is used to determine whether the flow board is moved in place, and the positioning sensor can be a photoelectric sensor and other sensors that can be used to determine the position of the flow board.
  • the positioning sensor is provided to realize the automation of the seal detection, so that the conveyor belt on the assembly line can be started all the time, stop and go when not needed, which is convenient for the assembly or detection of the products at the upstream station of the detection mechanism. Wherein, it can be set so that the positioning sensor, the jacking drive mechanism and the pressing drive mechanism are reset after the working set time, so that the air tightness detection of the product of the present invention is more convenient.
  • a cushion block is fixed on the upper side of the lifting plate, and the plane where the upper edge of the positioning pin is located is above the plane where the upper end surface of the cushion block is located.
  • the spacer is used to support the flow plate, so that the contact area between the flow plate and the lifting plate is smaller, so as to avoid the tilting of the flow plate caused by the uneven surface of the lifting plate.
  • the cross section of the upper section of the positioning pin has a long direction and a short direction, the width of the upper section of the positioning pin in the short direction is smaller than the inner diameter of the positioning hole, and both ends of the upper section of the positioning pin are provided with a contact surface along the long direction.
  • the width of the upper section of the positioning pin in the longitudinal direction gradually increases from top to bottom, the minimum width of the upper section of the positioning pin in the longitudinal direction is smaller than the inner diameter of the positioning hole, and the maximum width of the upper section of the positioning pin in the longitudinal direction is greater than the inner diameter of the positioning hole;
  • the above arrangement makes the contact area between the positioning pin and the fixed plate smaller and avoids inaccurate positioning due to processing problems.
  • the contact surface of the positioning pin contacts the wall of the positioning hole, and the flow plate will move along the contact surface to adjust the position, so that the product on the flow plate and the detection indenter contact positioning effect can be guaranteed .
  • the contact surface is an arc surface, and the arc opening formed by the cross section of the contact surface faces the axis of the positioning pin.
  • the arrangement of the contact surface in a curved surface can prevent the contact between the positioning pin and the fixed plate from being a point contact, and can improve the supporting and positioning effect of the fixed plate.
  • the lifting plate is provided with two positioning pins, the four corners of the flow plate are respectively provided with a positioning hole, the distance between two adjacent positioning holes is the same, and the two positioning pins are used for the two opposite corners of the flow plate.
  • the positioning holes are matched; the connecting line between the two adjacent positioning holes of the flow plate is inclined to the side of the square flow plate.
  • the above arrangement is convenient for placing the flow board on the assembly line, and it is not necessary to carefully determine the front and back direction of the fixed board.
  • the connecting line between two adjacent positioning holes is inclined to the side of the square flow plate, so that the distance between the two positioning holes is not very far, the distance between the two positioning pins can be reduced, and the front and rear length of the lifting plate can be improved.
  • the setting is smaller.
  • the positioning holes are located at the corners of the circulation plate, so that the distance between the two positioning holes can be large enough to ensure the positioning effect and improve the detection accuracy.
  • the frame of the assembly line includes two frame bodies on opposite sides of the left and right sides, the left and right ends of the fixing plate are respectively fixed to a frame body, and the front and rear ends of the fixing plate are both bent downward.
  • the fixed plate is fixed with the frame of the assembly line, so that the stroke of the first lifting rod can be shorter and can be used.
  • the front and rear ends of the fixed plate are bent, which can improve the bending strength of the fixed plate and avoid the sinking of the middle of the fixed plate to cause the fixed plate to bend.
  • the fixing plate is provided with a first through hole for the guide rod to pass through, a guide sleeve is fixed in the first through hole, and the guide rod is always located in the guide sleeve.
  • the guide sleeve and the fixed plate are not integrated, the guide sleeve can be made of materials that are not easy to wear, and the inner wall of the guide sleeve is easy to process and can be smoother.
  • the flow plate is provided with a positioning sleeve opening downward, and the positioning sleeve is provided with the positioning hole.
  • the positioning sleeve and the flow plate can be made of different materials, so that the wall of the positioning hole is not easy to wear, and is easy to process, and can make the wall of the positioning hole smoother.
  • a ring-shaped elastic sealing gasket is fixed on the lower side of the detection head; the lower end of the detection head is concave upward to form a fixing groove, the fixing groove communicates with the vent groove, and the thickness of the elastic sealing gasket is greater than For the depth of the fixing groove, the lower end surface of the elastic sealing gasket is located below the lower end surface of the detection indenter.
  • the invention has the advantages of reducing the labor intensity of workers, high detection efficiency, high detection accuracy, and easy realization of automatic detection.
  • Figure 1 is a perspective view of the present invention
  • Figure 2 is a front view of the present invention
  • Figure 3 is a cross-sectional view of the down-pressing drive mechanism of the present invention.
  • Figure 4 is a cross-sectional view of the detection head of the present invention.
  • Figure 5 is a schematic structural diagram of the positioning mechanism of the present invention.
  • Figure 6 is a schematic structural diagram of the positioning pin of the present invention.
  • Figure 7 is a cross-sectional view of the positioning pin of the present invention.
  • Fig. 8 is a top view of the circulation plate of the present invention.
  • an airtightness detection device for assembly line of the present invention includes assembly line 1 and flow plate 2 arranged on assembly line 1. Positioning mechanism 3 and inspection mechanism 4 are provided on assembly line. Inspection mechanism 4 is located above the positioning mechanism 3, and the flow plate 2 is moved between the positioning mechanism 3 and the detection mechanism 4 under the action of the assembly line 1.
  • the positioning mechanism 3 includes a jacking drive mechanism 31 and two upwardly extending positioning pins 39
  • the jacking drive mechanism 31 has a first vertical lifting rod 32
  • the first lifting The top of the rod 32 is provided with a lifting plate 33
  • the positioning pin 39 is fixed on the lifting plate 33.
  • a cushion block 36 is fixed on the upper side of the lifting plate 33, and the plane where the upper edge of the positioning pin 39 is located is above the plane where the upper end surface of the cushion block 36 is located.
  • the flow plate 2 is provided with a positioning hole 21 that opens downward and corresponds to the positioning pin 39.
  • Two positioning pins 39 are provided on the lifting plate 33.
  • the four corners of the flow plate 2 are respectively provided with positioning holes 21.
  • the distance between two adjacent positioning holes 21 is the same. Matching with positioning holes.
  • the connecting line between the two adjacent positioning holes 21 of the flow plate 2 is obliquely arranged with the sides of the square flow plate.
  • the flow plate 2 is provided with a positioning sleeve 22 penetrating up and down to form the positioning hole 21, and the flow plate 2 is provided with a second through hole penetrating up and down to accommodate the positioning sleeve 22.
  • the detection mechanism 4 includes a downward pressing drive mechanism 41, which has a second lifting rod 42 arranged vertically.
  • the lower end of the second lifting rod 42 is fixed with a detection head 43 for detecting
  • the lower end surface of the head 43 is concave to form a vent groove 44.
  • the side wall of the detection head 43 is provided with a vent hole 45 penetrating inside and out. connect.
  • a ring-shaped elastic gasket (not shown in the figure) is fixed on the lower side of the detection head 43, and the lower end of the detection head 43 is concave upward to form a fixing groove 431.
  • the fixing groove 431 is connected with the vent groove 44, and the elastic gasket The thickness of is greater than the depth of the fixing groove 431, and the lower end surface of the elastic sealing gasket is located below the lower end surface of the detection indenter 43.
  • the positioning mechanism 3 includes a fixed plate 34.
  • the jacking drive mechanism 31 is fixed to the middle of the fixed plate 34.
  • Four guide mechanisms are provided between the fixed plate 34 and the lifting plate 33.
  • the guide mechanism includes Vertically set guide rod 35.
  • the fixing plate 34 is provided with a first through hole for the guide rod 35 to pass through, a guide sleeve 37 is fixed in the first through hole, and the guide rod 35 is always located in the guide sleeve 37.
  • the cross section of the upper section of the positioning pin 39 has a long direction and a short direction.
  • the width of the upper section of the positioning pin 39 in the short direction is smaller than the inner diameter of the positioning hole 21.
  • a contact surface 391 is provided.
  • the width of the upper section of the positioning pin 39 along the longitudinal direction gradually increases from top to bottom.
  • the frame of the assembly line 1 includes two frame bodies 11 on opposite sides of the left and right sides. Both frames 11 are provided with conveyor belts 12 arranged in the front and rear directions and used for conveying the circulation plate 2.
  • the left and right ends of the fixed plate 34 are respectively connected to a frame body 11. For fixing, both the front end and the rear end of the fixing plate 34 are bent downward to form a bent portion 38.
  • the front side of the positioning mechanism 3 is provided with a blocking mechanism.
  • the blocking mechanism includes a stopper 51 for restricting the flow plate 2 from moving forward.
  • the stopper 51 is electrically connected with the positioning sensor, and the positioning mechanism is confirmed when the flow plate moves below the detection mechanism 4 The sensor is triggered so that the stopper 51 restricts the movement of the flow plate.
  • the positioning sensor in this embodiment is a photoelectric sensor.
  • the airtightness detection device for the assembly line of this embodiment is used for the airtightness detection of the motor 6.
  • a motor positioning seat 61 is fixed on the flow plate 2.
  • the motor 6 is vertically arranged and placed on the motor positioning seat 61, and the output of the motor 6
  • the shaft 62 extends upward, and the upper groove wall of the vent groove of the detection indenter 43 extends upward to form a relief groove 46 that gives way to the output shaft 62 of the motor 6.
  • the motor positioning seat 61 can be provided with a slot that gives way to the other end of the output shaft.
  • a sealing gasket can be provided, and the sealing between the two ends of the motor and the 61-level detection indenter 43 of the motor positioning seat can be realized by the compression of the detection indenter 43.
  • the jacking driving mechanism 31 and the pressing driving mechanism 41 of this embodiment are both air cylinders, the stopper 51 is a commercially available assembly line stopper, and the stopper is also a kind of air cylinder.
  • the motor When using the device of the present invention, the motor is placed on the motor positioning seat of the flow plate, and the flow plate drives the motor to move, so that the flow plate enters the detection area and moves to the bottom of the detection device, and the positioning sensor detects that the flow plate is in place ,
  • the jacking drive mechanism of the positioning mechanism drives the lifting plate to move upwards so that the positioning pins are matched with the positioning holes, and the cushion blocks lift the flow plate so that the flow plate moves upward to separate from the conveyor belt of the assembly line, and then press the drive mechanism down Work, the detection head presses down on the front end cover of the motor and covers the output shaft of the motor, and then finally the air source supplies air and carries out the follow-up detection process of pressure maintaining and pressure detection.
  • the invention has the advantages of reducing the labor intensity of workers, high detection efficiency, high detection accuracy, and easy realization of automatic detection.

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

Abstract

一种流水线用气密性检测装置,包括流水线(1)及设置在流水线(1)上的流转板(2),流水线(1)上设有定位机构(3)及检测机构(4),检测机构(4)位于定位机构(3)上方,流转板(2)能在流水线(1)的作用下移动至定位机构(3)与检测机构(4)之间,定位机构(3)包括顶升驱动机构(31),顶升驱动机构(31)具有竖向设置的第一升降杆(32),第一升降杆(32)顶端设有升降板(33),定位销(39)固定于升降板(33)上,流转板(2)设有向下开口并与定位销(39)对应的定位孔(21),检测机构(4)包括下压驱动机构(41),下压驱动机构(41)具有竖向设置的第二升降杆(42),第二升降杆(42)下端固定有检测压头(43)。装置具有能降低工人劳动强度,检测效率较高,检测精度较高,且便于实现自动化检测的优点。

Description

流水线用气密性检测装置 技术领域
本发明涉及一种流水线自动检测设备,具体涉及一种流水线用气密性检测装置。
背景技术
现有技术中,电机或减速箱等产品的气密性是被工人一个个挪到工作套上进行气密性检测的。往产品内注入高压空气,然后保压一段时间,通过查看保压后的压力值是否位于设定范围内以判断产品气密性。
工人需要进行产品的移动,十分麻烦,工作强度较高,且效率较低。
技术问题
本发明的目的是提供一种能提高检测效率,并降低工人劳动强度的流水线用气密性检测装置。
技术解决方案
为实现上述目的,本发明采用如下技术方案:一种流水线用气密性检测装置,包括流水线及设置在流水线上的流转板,流水线上设有定位机构及检测机构,所述检测机构位于定位机构上方,流转板能在流水线的作用下移动至定位机构与检测机构之间,所述定位机构包括顶升驱动机构及至少两个向上延伸的定位销,所述顶升驱动机构具有竖向设置的第一升降杆,所述第一升降杆顶端设有升降板,定位销固定于升降板上,所述流转板设有向下开口并与定位销对应的定位孔,所述检测机构包括下压驱动机构,所述下压驱动机构具有竖向设置的第二升降杆,所述第二升降杆下端固定有检测压头,所述检测压头下端面上凹以形成有通气槽,所述检测压头设有内外贯穿的通气孔,所述通气孔一端与通气槽连通,所述通气孔另一端通过输气管与气源连接。
进行本发明装置使用时,将产品放置在流水线的流转板上,通过流转板带动产品进行移动,以使产品进入检测区域并从检测区域移出,当产品被流转板移动至检测装置下方时,可通过操纵流水线停止以实现流转板的停止,随后启动顶升驱动机构,以使定位销伸入流转板的定位孔内,以实现流转板的定位固定,升降板继续向上移动以将流转板顶升以使流转板脱离流水线,随后下压驱动机构工作,实现流转板上产品与检测机构的检测压头的对准,通过压紧的方式实现检测压头与产品输出端壳体的接触密封,最后气源供气并进行保压及压力大小检测的检测工序。其中,如何实现气源供气,如何实现保压一定时间,如何实现产品内气压值的采集,都是现有常规技术。
本发明的设置,使得工人不需要进行产品的搬上搬下,能降低工人的劳动强度,并能提高产品的气密性检测效率,以提高产品的生产效率。其中,顶升驱动机构能将流转板抬起,以使流转板脱离流水线的传送带,以避免流转板在检测压头的压力下发生倾斜,以提高产品与检测压头间的密封效果,以提高检测精度。
作为优选,所述定位机构包括固定板,所述顶升驱动机构与固定板固定,所述固定板与升降板间设有若干导向机构,所述导向机构包括竖向设置的导向杆。导向杆的设置能避免升降板倾斜,以使流转板不会发生倾斜,以使产品与检测压头间的接触密封得到保证,以使检测效果更为精准。
作为优选,所述定位机构前侧设有阻挡机构,所述阻挡机构包括用于限制流转板向前继续移动的阻挡器,所述阻挡器与确位传感器电连接,当流转板移动至检测机构下方时确位传感器被触发,以使阻挡器限制流转板的移动。
上述设置以使本发明能更好地实现自动化。其中,阻挡器可采用现有的适用于流水线上的,能实现流转板限位的流水线阻挡器(现有的市面上的产品)。确位传感器用于确定流转板是否移动到位,确位传感器可采用光电传感器等各种能用于确定流转板位置的传感器。通过设置确位传感器,以实现密封检测的自动化,以使流水线上的传送带可一直被启动,不需要时停时走,便于检测机构上游工位的产品的装配或检测。其中,可进行设置,以使确位传感器、顶升驱动机构及下压驱动机构在工作设定时间后进行复位,以使本发明的产品的气密性检测更为方便。
作为优选,所述升降板上侧固定有垫块,所述定位销上缘所在平面位于垫块上端面所在平面的上方。垫块的设置用于对流转板进行支撑,以使流转板与升降板的接触面积更小,以避免因升降板表面不平所导致的流转板会倾斜的情况发生。
作为优选,所述定位销上段的横截面具有长方向及短方向,所述定位销上段沿短方向的宽度小于定位孔的内径,所述定位销上段沿长方向的两端各设有一接触面,所述定位销上段沿长方向的宽度由上至下逐渐增加,所述定位销上段沿长方向的最小宽度小于定位孔内径,所述定位销上段沿长方向的最大宽度大于定位孔内径;当定位销上端伸入定位孔内时,所述接触面与定位孔内壁下端接触。
上述设置以使定位销与固定板间的接触面积更小,避免因加工问题导致定位不准。当定位销向上移动时,定位销的接触面与定位孔孔壁接触,流转板会沿接触面进行平面移动以调整位置,以使流转板上的产品与检测压头的接触定位效果能得到保证。
作为优选,所述接触面呈弧面,所述接触面横截面所构成的弧线开口朝向定位销轴线。接触面呈弧面的设置,能避免定位销与固定板间的接触为点接触,能提高对固定板的支撑定位效果。
作为优选,所述升降板上设有两个定位销,所述流转板四角处分别设有一定位孔,相邻两定位孔间距离相同,两个定位销用于与流转板对角的两个定位孔配合;流转板的相邻两个定位孔间的连线与方形流转板的侧边倾斜设置。上述设置以便于流转板放置在流水线上,不需要仔细确定固定板前后方向。相邻两个定位孔间的连线与方形流转板的侧边倾斜设置,能使两个定位孔间的距离不是很远,能缩小两定位销间的距离,能使升降板的前后长度能设置的更小。其中,定位孔位于流转板角落,能使两定位孔间的距离足够大,以保证定位效果,以提高检测精度。
作为优选,所述流水线的框架包括左右相对两侧的两架体,所述固定板的左右两端分别与一架体固定,所述固定板前端和后端均向下弯折。固定板与流水线的框架固定,能使第一升降杆的行程更短,能使。同时,固定板前后端均弯折,能提高固定板的抗弯强度,避免固定板中部下沉以使固定板弯折。
作为优选,所述固定板设有供导向杆通过的第一贯穿孔,所述第一贯穿孔内固定有导向套,所述导向杆始终位于所述导向套内。导向套和固定板不是一体的,导向套可采用不易磨损的材料制成,且导向套内壁便于加工,可更为光滑。
作为优选,所述流转板设有向下开口的定位套,所述定位套设有所述定位孔。其中,定位套和流转板可采用不同的材料制成,以使定位孔孔壁不易磨损,且便于加工,能使定位孔孔壁更为光滑。
作为优选,所述检测压头下侧固定有呈环形的弹性密封垫;所述检测压头下端面向上凹以形成有固定槽,所述固定槽与通气槽连通,且弹性密封垫的厚度大于固定槽的深度,所述弹性密封垫下端面位于检测压头下端面的下方。通过弹性密封垫的变形,以与产品输出端的壳体充分接触,以提高保压效果,以提高密封检测的精确性。
有益效果
本发明具有能降低工人劳动强度,检测效率较高,检测精度较高,且便于实现自动化检测的优点。
附图说明
图1为本发明的轴侧图;
图2为本发明的前视图;
图3为本发明的下压驱动机构的一种剖视图;
图4为本发明的检测压头的一种剖视图;
图5为本发明的定位机构的一种结构示意图;
图6为本发明的定位销的一种结构示意图;
图7为本发明的定位销的一种剖视图;
图8为本发明的流转板的一种俯视图。
本发明的最佳实施方式
下面根据附图和具体实施例对本发明作进一步描述。
由图1和图2所示,本发明的一种流水线用气密性检测装置,包括流水线1及设置在流水线1上的流转板2,流水线上设有定位机构3及检测机构4,检测机构4位于定位机构3上方,流转板2在流水线1的作用下移动至定位机构3与检测机构4之间。
由图1、图2和图5所示,定位机构3包括顶升驱动机构31及两个向上延伸的定位销39,顶升驱动机构31具有竖向设置的第一升降杆32,第一升降杆32顶端设有升降板33,定位销39固定于升降板33上。升降板33上侧固定有垫块36,定位销39上缘所在平面位于垫块36上端面所在平面的上方。
由图1、图2和图8所示,流转板2设有向下开口并与定位销39对应的定位孔21。升降板33上设有两个定位销39,流转板2四角处分别设有一定位孔21,相邻两定位孔21间距离相同,两个定位销39用于与流转板2对角的两个定位孔配合。流转板2的相邻两定位孔21间的连线与正方形流转板的侧边倾斜设置。流转板2设有上下贯穿以形成有所述定位孔21的定位套22,流转板2设有上下贯穿以用于容纳定位套22的第二贯穿孔。
由图1至图4所示,检测机构4包括下压驱动机构41,下压驱动机构41具有竖向设置的第二升降杆42,第二升降杆42下端固定有检测压头43,检测压头43下端面上凹以形成有通气槽44,检测压头43侧壁上设有内外贯穿的通气孔45,通气孔45一端与通气槽44连通,通气孔45另一端通过输气管与气源连接。检测压头43下侧固定有呈环形的弹性密封垫(图中未画出),检测压头43下端面向上凹以形成有固定槽431,固定槽431与通气槽44连通,且弹性密封垫的厚度大于固定槽431的深度,弹性密封垫下端面位于检测压头43下端面的下方。
由图1、图2和图5所示,定位机构3包括固定板34,顶升驱动机构31固定于固定板34中部,固定板34与升降板33间设有四个导向机构,导向机构包括竖向设置的导向杆35。固定板34设有供导向杆35通过的第一贯穿孔,第一贯穿孔内固定有导向套37,导向杆35始终位于导向套37内。
由图5至图7所示,定位销39上段的横截面具有长方向及短方向,定位销39上段沿短方向的宽度小于定位孔21的内径,定位销39上段沿长方向的两端各设有一接触面391,定位销39上段沿长方向的宽度由上至下逐渐增加,定位销39上段沿长方向的最小宽度小于定位孔21内径,定位销39上段沿长方向的最大宽度大于定位孔21内径;当定位销39上段的上端伸入定位孔21内时,接触面391与定位孔21内壁下端接触;接触面39呈弧面设置,接触面39横截面所构成的弧线开口朝向定位销39轴线。
流水线1的框架包括左右相对两侧的两架体11,两架体11上均设有沿前后方向设置并用于输送流转板2的传送带12,固定板34的左右两端分别与一架体11固定,固定板34前端和后端均向下弯折以形成有弯折部38。
定位机构3前侧设有阻挡机构,阻挡机构包括用于限制流转板2向前继续移动的阻挡器51,阻挡器51与确位传感器电连接,当流转板移动至检测机构4下方时确位传感器被触发,以使阻挡器51限制流转板的移动。其中,本实施例的确位传感器为光电传感器。
本实施例的流水线用气密性检测装置用于电机6的气密性检测,流转板2上固定有电机定位座61,电机6竖向设置并放置于电机定位座61上,电机6的出轴62向上延伸,检测压头43的通气槽上槽壁向上延伸以形成对电机6的出轴62进行让位的让位槽46。本实施例的电机只有出轴前端延伸至电机壳体外,如果用于双出轴电机,则电机定位座61可设置对另一端出轴进行让位的槽,电机定位座61与电机间也可以设置密封垫,通过检测压头43的压紧实现电机两端与电机定位座61级检测压头43间的密封。
本实施例的顶升驱动机构31及下压驱动机构41均为气缸,阻挡器51是市面上可购买到的流水线阻挡器,阻挡器也是一种气缸。
进行本发明装置使用时,将电机放置在流转板的电机定位座上,通过流转板带动电机进行移动,以使流转板进入检测区域并移动至检测装置下方,确位传感器检测到流转板到位后,定位机构的顶升驱动机构带动升降板向上移动,以使定位销与定位孔配合,并使垫块将流转板抬起,以使流转板向上移动以脱离流水线的传送带,随后下压驱动机构工作,检测压头下压在电机的前端盖上并罩住电机的出轴,然后最后气源供气并进行保压及压力大小检测的后续检测工序。
本发明具有能降低工人劳动强度,检测效率较高,检测精度较高,且便于实现自动化检测的优点。

Claims (10)

  1. 一种流水线用气密性检测装置,包括流水线及设置在流水线上的流转板,其特征在于流水线上设有定位机构及检测机构,所述检测机构位于定位机构上方,流转板能在流水线的作用下移动至定位机构与检测机构之间,所述定位机构包括顶升驱动机构及至少两个向上延伸的定位销,所述顶升驱动机构具有竖向设置的第一升降杆,所述第一升降杆顶端设有升降板,定位销固定于升降板上,所述流转板设有向下开口并与定位销对应的定位孔,所述检测机构包括下压驱动机构,所述下压驱动机构具有竖向设置的第二升降杆,所述第二升降杆下端固定有检测压头,所述检测压头下端面上凹以形成有通气槽,所述检测压头设有内外贯穿的通气孔,所述通气孔一端与通气槽连通,所述通气孔另一端通过输气管与气源连接。
  2. 根据权利要求1所述的流水线用气密性检测装置,其特征在于所述定位机构包括固定板,所述顶升驱动机构与固定板固定,所述固定板与升降板间设有若干导向机构,所述导向机构包括竖向设置的导向杆。
  3. 根据权利要求1所述的流水线用气密性检测装置,其特征在于所述定位机构前侧设有阻挡机构,所述阻挡机构包括用于限制流转板向前继续移动的阻挡器,所述阻挡器与确位传感器电连接,当流转板移动至检测机构下方时确位传感器被触发,以使阻挡器限制流转板的移动。
  4. 根据权利要求2所述的流水线用气密性检测装置,其特征在于所述升降板上侧固定有垫块,所述定位销上缘所在平面位于垫块上端面所在平面的上方。
  5. 根据权利要求1或2所述的流水线用气密性检测装置,其特征在于所述定位销上段的横截面具有长方向及短方向,所述定位销上段沿短方向的宽度小于定位孔的内径,所述定位销上段沿长方向的两端各设有一接触面,所述定位销上段沿长方向的宽度由上至下逐渐增加,所述定位销上段沿长方向的最小宽度小于定位孔内径,所述定位销上段沿长方向的最大宽度大于定位孔内径;当定位销上端伸入定位孔内时,所述接触面与定位孔内壁下端接触;所述接触面呈弧面,所述接触面横截面所构成的弧线开口朝向定位销轴线。
  6. 根据权利要求1或2所述的流水线用气密性检测装置,其特征在于所述升降板上设有两个定位销,所述流转板四角处分别设有一定位孔,相邻两定位孔间距离相同,两个定位销用于与流转板对角的两个定位孔配合;流转板的相邻两个定位孔间的连线与方形流转板的侧边倾斜设置。
  7. 根据权利要求2所述的流水线用气密性检测装置,其特征在于所述流水线的框架包括左右相对两侧的两架体,所述固定板的左右两端分别与一架体固定,所述固定板前端和后端均向下弯折。
  8. 根据权利要求2所述的流水线用气密性检测装置,其特征在于所述固定板设有供导向杆通过的第一贯穿孔,所述第一贯穿孔内固定有导向套,所述导向杆始终位于所述导向套内。
  9. 根据权利要求1所述的流水线用气密性检测装置,其特征在于所述流转板设有向下开口的定位套,所述定位套设有所述定位孔。
  10. 根据权利要求1所述的流水线用气密性检测装置,其特征在于所述检测压头下侧固定有呈环形的弹性密封垫;所述检测压头下端面向上凹以形成有固定槽,所述固定槽与通气槽连通,且弹性密封垫的厚度大于固定槽的深度,所述弹性密封垫下端面位于检测压头下端面的下方。
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