WO2012069019A1 - 测径仪导卫 - Google Patents

测径仪导卫 Download PDF

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Publication number
WO2012069019A1
WO2012069019A1 PCT/CN2011/082989 CN2011082989W WO2012069019A1 WO 2012069019 A1 WO2012069019 A1 WO 2012069019A1 CN 2011082989 W CN2011082989 W CN 2011082989W WO 2012069019 A1 WO2012069019 A1 WO 2012069019A1
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WO
WIPO (PCT)
Prior art keywords
conduit
sleeve
guide
caliper
exhaust passage
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PCT/CN2011/082989
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English (en)
French (fr)
Inventor
娄霆
王俊
武传华
路后兵
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合肥市百胜科技发展股份有限公司
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Publication of WO2012069019A1 publication Critical patent/WO2012069019A1/zh

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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
    • G01B5/0002—Arrangements for supporting, fixing or guiding the measuring instrument or the object to be measured

Definitions

  • the invention relates to a guide device for use in the outlet of a caliper.
  • the caliper In order to avoid the wire rod jumping and scraping and damage the caliper, and also to avoid the wire bar and the caliper scraping, reduce impurities and iron filings, try to make the wire bar stable in the process of being tested. Traveling to ensure the detection accuracy; therefore, the caliper is provided with a sleeve-shaped outlet guide to guide the wire to ensure that the wire travels steadily. Obviously, in order to reliably guide the wire, the size and shape accuracy of the guide are very high.
  • a caliper guide comprising a conduit through which the wire passes, wherein the conduit is disposed adjacent to the outlet side of the material to provide an airflow guiding mechanism for guiding the airflow to travel in the same direction as the material.
  • the airflow, dust, impurities and the like in the caliper device and the catheter lumen will travel together with the material, that is, the wire bar, and can be easily discharged outside the lumen of the catheter.
  • the safety of the caliper equipment is further ensured; and the installation of the catheter and the entire guide can be used for a longer period of time, and the maintenance and calibration cycle is shortened, which not only lasts for a long time but also runs and maintains. The cost is lower.
  • Figure 1 is a schematic perspective view of the present invention
  • Figure 2 is a longitudinal cross-sectional view showing a portion of a catheter, a cannula, and a sleeve of the present invention.
  • a caliper guide as shown in Figures 1 and 2 includes a duct 10 through which the wire passes, and the duct 10 is disposed adjacent to the outlet side of the material to provide an air flow guiding mechanism for guiding the airflow in the same direction as the material. That is to say, the airflow guiding mechanism can direct the air in the caliper and the duct 10 to flow in the same direction as the moving direction of the material.
  • Such a gas flow directing mechanism can be in various embodiments, such as a getter mechanism located at the discharge opening of the conduit 10, and the like.
  • the air flow guiding mechanism is a blowing mechanism
  • the exhaust passage 32 of the blowing mechanism is inclined toward the center of the duct 10 and along the traveling direction of the material, and the exhaust passage 32 is evenly distributed along the inner wall of the duct 10.
  • the present invention preferably provides an air blowing mechanism for blowing air to the outlet of the duct 10 in the vicinity of the outlet in the duct 10, so that the high-speed outward airflow forms a large negative pressure near the outlet of the duct 10, thereby feeding the side of the duct 10 And the dust, impurities, and iron dust on the left side of the caliper, as shown in the figure, are sucked out of the airflow and blown out of the duct 10 together with the airflow. This avoids the risk of contaminating the caliper device and makes the test reliable.
  • Such a guide is different from the traditional rolling guide.
  • the guide of the present invention mainly provides protection for precision equipment such as a caliper, and the traditional rolling guide is still disposed on the upstream and downstream processes of the guide and the caliper. Plays a role in reducing friction and initial guidance.
  • the negative pressure region has the same attraction to the caliper and the various directions within the conduit 10, and the attraction force can also suck the material that has fallen on the tube wall and then redistribute it into the airflow to discharge the conduit 10
  • the cleaning effect has an unexpected technical advantage over the manner in which the air is directly blown from the feed end of the conduit 10. Because the air is blown directly from the feed end of the conduit 10, the air flow will give an acceleration force to the high temperature impurities and iron scraps, so that the impurities and the iron scraps move linearly, and are more likely to collide and adhere to the pipe wall on the right side of the duct 10.
  • the catheter 10 is fixed in the sleeve 20, and the air blowing mechanism comprises a closed annular cavity 30 along the circumferential direction of the tube between the catheter 10 and the sleeve 20, and the annular cavity 30 and the sleeve
  • the outer peripheral surface of the tube 20 is communicated through an intake port 31 which communicates with the annular cavity 30.
  • a better construction of the annular cavity 30 is specifically:
  • the annular cavity 30 is formed by enclosing the inner wall of the sleeve 20 and the variable diameter portion of the outer portion of the duct 10.
  • the outer wall of the front end of the duct 10 is a frustum having a gradually decreasing size, and the exhaust passage 32 is formed by the frustum and the sleeve.
  • the area between the tapered holes at the rear end of the tube 20 is formed.
  • the front end refers to the feeding end of the material
  • the rear end is the discharging end, that is, the right end of FIG. 2, so that at the right end of the casing 20, the inner wall thereof can directly form an exhaust passage with the frustum surface of the duct 20. 32.
  • the exhaust passage 32 may be formed in other ways. Such a structure is simple to process and easy to manufacture.
  • the inner wall of the sleeve 20 has a circumferentially extending annular projection 21, and the reduced diameter portion of the conduit 10 abuts against the projection 21, and the rear end of the sleeve 20 is screwed to the end tube 40, the end
  • the inner hole at the front end of the tube 40 is a conical hole, and the exhaust passage 32 is constituted by a region between the frustum surface at the rear end of the duct 10 and the conical hole.
  • the annular cavity 30 at this time is composed of the protrusion 21 of the sleeve 20 and the inner wall of the outlet end, the outer end wall of the outlet end of the duct 10 and the inner end surface of the end tube 40; the advantage of the protrusion 21 is that only the convex is required on the one hand.
  • the surface of the surface 21 is in interference fit with the portion of the tube 10, and the end tube 40 is interferenceed with the sleeve 20 and threaded to form a closed annular cavity 30.
  • the processing is extremely convenient, and the whole tube is over-committed with respect to the two tubes.
  • the plugging operation is more convenient for the plugging operation, and a gasket can also be provided along the left side surface of the protrusion 21 to further enhance the sealing property.
  • the rear end surface of the sleeve 20 can directly form an exhaust passage with the frustum surface on the outer side of the duct 10.
  • the rotary end tube 40 can adjust the distance between the frustum surface and the conical hole, and adjust the exhaust passage 32.
  • the size of the exhaust passage 32 itself also maximizes uniform distribution and venting along the lumen of the conduit 10, so that the exhaust is uniform and has a good cleaning effect.
  • the outlet end of the end tube 40 has an open shape.
  • the inner end surface of the end pipe 40 includes a conical hole surface which forms an exhaust passage 32 with the guide surface, and the inner wall of the rear end of the pipe is a tapered hole surface which is formed as an opening, and is a transition portion for facilitating machining, usually
  • the diameter of the right side of the tube 40 is large, the middle portion is slightly larger than the diameter of the right end of the catheter 10, and the inner side of the end tube 40 is also smaller than the right side of the left side of the figure, ensuring that airflow and impurities are easily eliminated and do not adhere.
  • the intake holes 31 may be arranged in two, one of which is connected to the intake pipe 90 and the other is closed by a detachable plug 33. This can facilitate the connection of the guide to the origin at different installation positions and angles, and facilitate the arrangement of the trachea.
  • the sleeve 20 is fixed in the tubular fixing sleeve 60, and the guiding leg 50 integrally processed with the fixing sleeve 60 is provided with an adjusting mechanism 80 for adjusting the overall position of the guide.
  • the adjusting mechanism 80 illustrates the adjustment manner of the bolt and the waist hole fitting, but various modes such as the cylinder movement adjustment, the motor and the slide rail adjustment are all possible, which not only facilitates the reduction of the machining precision, but also ensures the accurate installation and positioning. It also facilitates position calibration and adjustment after use. Improve the life of the guide.

Description

测径仪导卫
技术领域
本发明涉及测径仪出口所使用的导卫装置。
背景技术
冶金行业中，线材和棒材扎制成型过程中，需要用测径仪检测其径向尺寸，尤其是扎制过程中对线材进行实时检测的测径仪，因为刚扎制的线材处于高温状态，所以在经过测径仪时难免会有火花、高温的杂质、铁屑飞溅和掉落并积存到透光镜等精密部件上，这样会污染检测设备，降低检测精度，甚至造成无法成像，检测失效等严重后果。
为了避免线棒材跳动而刮蹭和损坏测径仪，同时也为了避免线棒材与测径仪刮蹭，减少杂质、铁屑掉落，尽量使线棒材在接受检测的过程中稳定地行进，以保证检测精度；所以测径仪设置有管套状的出口导卫，以便对线材进行引导，确保线材稳定地行进。显然，为了可靠地引导线材，导卫的尺寸、外形精度要求很高。
另外由于扎钢生产的环境特殊，通常是高温、高湿、粉尘重，因此，如何维持测径仪等精密仪器的清洁干燥也是客观的需要。
但在实践中，测径仪内的灰尘、杂质等无法顺利排出，影响检测的可靠性和准确性；导卫内的灰尘、杂质以及刮蹭掉落的高温铁屑不断地掉落并粘结在导卫管壁上，并因其本身的高温而不断结渣累积，这样就会造成导卫管壁粗糙，增大与线材的摩擦，结渣累积到一定程度就使导卫的管腔变小，线材行进不稳定，加大刮蹭测径仪的风险，甚至使测径仪、导卫的功能丧失。总体来说就是现有技术中测径设备和导卫内的清洁难以维持，影响了检测可靠性。
发明内容
本发明的目的就是提供一种设置在测径仪等精密设备出口的导卫，导卫使得检测设备运行更可靠。
采用的方案就是：一种测径仪导卫，包括供线材通过的导管，其特征在于：所述的导管靠近物料的出口一侧设置引导气流与物料同向行进的气流导向机构。
这样经过气流导向机构的引导，测径设备内和导管管腔内的气流、灰尘、杂质等都会与物料、也就是线棒材一起行进，很容易就能排出导管的管腔之外。这样就避免了污染测径设备的风险，使得检测可靠。同时避免了高温杂质和铁屑落到导管的管壁上，当然也就是不会在管壁上结渣，不会增大管壁的摩擦力，也不会影响导管的尺寸，导卫能起到更可靠的导向作用，就进一步保证了测径设备的安全；且导管和整个导卫安装完成后可以使用更长的长时间，也缩短了检修和校正的周期，不仅使用寿命持久而且运行维护成本更低。
附图说明
图1是本发明的立体结构示意图；
图2是本发明的导管、套管、固定套部分的纵剖面图。
具体实施方式
如图1、2所示的一种测径仪导卫，包括供线材通过的导管10，所述的导管10靠近物料的出口一侧设置引导气流与物料同向行进的气流导向机构。也就是说气流导向机构可以将测径仪内和导管10内的空气引向与物料运动方向同向地流动。
这样的气流导向机构可以是多种实施方式，例如是位于导管10出料口处的吸气机构等等。
最好是所述的气流导向机构为吹气机构，吹气机构的排气通道32斜向导管10的中心并顺着物料的行进方向，且排气通道32沿导管10的内壁均布。
也就是说本发明优选在导管10内的出口附近设置吹气机构向导管10出口吹气，这样高速向外的气流在导管10出口附近形成较大的负压，从而将导管10进料一侧、以及测径仪内也就是图示的左侧的灰尘、杂质、铁屑吸入气流并与气流一同吹出导管10之外。这样就避免了污染测径设备的风险，使得检测可靠。同时也避免了高温杂质和铁屑落到导管的管壁上，当然也就是不会在管壁上结渣，不会增大管壁的摩擦力，也不会影响导管的尺寸；导卫能起到更可靠的导向作用，就进一步保证了测径设备的安全；并且导管和整个导卫安装完成后可以使用更长的长时间，也缩短了检修和校正的周期，不仅使用寿命持久而且运行维护成本更低。
这样的导卫不同于传统的滚动导卫，本发明的导卫主要是对测径仪等精密设备提供保护，传统滚动导卫任然设置在本导卫和测径仪的上下游工序上，起到减小摩擦和初步导向的作用。
尤其是因为负压区域对测径仪内及导管10内各个方向的吸引力相同，并且该吸引力还可以将已经掉落在管壁上的物质吸起来，然后重新分布到气流中排出导管10，其清洁效果相对于由导管10进料端直接吹气的方式具有意料不到的技术优势。因为由导管10进料端直接吹气时，气流会给高温杂质、铁屑一个加速力，使得杂质和铁屑线性运动，更容易撞击并粘附到导管10右侧的管壁上。
进一步的，所述的导管10固接在套管20内，所述的吹气机构包括导管10和套管20之间的密闭的沿管周向的环形空腔30，环形空腔30与套管20外周面通过进气孔31连通，所述的排气通道32与环形空腔30连通。这样一是便于易损件导管10的拆卸更换，同时也便于密闭环形空腔30的构成。
环形空腔30更好的构造方式具体来说就是：
所述的环形空腔30由套管20内壁与导管10外部的变径部位围合构成，导管10前端外壁为尺寸逐渐变小的锥台面，所述的排气通道32由该锥台面与套管20后端的锥形孔之间的区域构成。这样只要如图2所示的导管10过盈插接在套管20内，导管10变径部，也就是前端缩颈部位与套管20内壁之间就会形成环形的腔体。本文中的前端都是指的物料的进料端，后端为出料端也就是如图2的右端，这样在套管20右端，其内壁可以直接和导管20的锥台面围成排气通道32，也可以是其它方式构成排气通道32。这样的结构加工简单，制造方便。
进一步的，所述的套管20内壁具有沿周向的环状凸起21，所述的导管10的变径部位抵靠在凸起21上，套管20后端螺纹连接端管40，端管40前端的内孔为圆锥孔，所述排气通道32由导管10后端的锥台面与该圆锥孔之间的区域构成。此时所述的环形空腔30由套管20的凸起21和靠出口端的内壁、导管10出口端外壁和端管40内侧端面围合构成；凸起21的优点在于：一方面只需要凸起21的表面与导管10接触的部位过盈配合、端管40与套管20过盈并螺纹配合即可构成密闭的环形空腔30，其加工极其方便，相对于两管体整体过过盈插接，其插接操作更方便，并且还可以沿凸起21的左侧面设置密封垫，进一步增强密封性。套管20的后端面可以直接与导管10外侧的锥台面构成排气通道，但具有端管40的结构中，旋动端管40即可以调整锥台面与圆锥孔的距离，调整排气通道32的大小，且排气通道32本身也最大程度地实现了沿导管10内腔的均匀分布和排气，这样排气均匀，具有跟好的清洁效果。
如图2所示，为了避免两两管体之间位置松动，减少设备检修和校正位置的次数，还可以设置沿管径向的螺钉71、72、73将两两管定位。
进一步的，所述的端管40出口端为敞口形状。如图2就是端管40的内侧端面包括与导角面构成排气通道32的圆锥孔面、管后端内壁为构成敞口的锥孔面，之间为为了便于加工的过渡部分，通常端管40右侧口径大，中间部分略大于导管10右端管径，端管40内侧也就是图示左侧的敞口幅度较右侧小些，保证气流和杂质等容易被排除，不会粘附到端管40内壁。
另外可以将所述的进气孔31分散布置两个，其中一个连接进气管90，另一个用可拆卸的堵头33封闭。这样可以便于导卫处于不同安装位置、角度时都能很方便地与起源连接，且便于气管布置。
进一步的，所述的套管20固接在管状固定套60内，与固定套60一体加工的导卫支腿50上设置有调整导卫整体位置的调整机构80。调整机构80图示了螺栓、腰型孔配合的调整方式，但是例如汽缸动作调节，电机、滑轨调节等多种方式都是可以的，这样不仅便于降低加工精度，同时保证安装定位准确，同时也便于使用后的位置校准和调节。提高导卫的使用寿命。

Claims (8)

  1. 一种测径仪导卫，包括供线材通过的导管（10），其特征在于：所述的导管（10）靠近物料的出口一侧设置引导气流与物料同向行进的气流导向机构。
  2. 根据权利要求1所述的测径仪导卫，其特征在于：所述的气流导向机构为吹气机构，吹气机构的排气通道（32）斜向导管（10）的中心并顺着物料的行进方向，且排气通道（32）沿导管（10）的内壁均布。
  3. 根据权利要求2所述的测径仪导卫，其特征在于：所述的导管（10）固接在套管（20）内，所述的吹气机构包括导管（10）和套管（20）之间的密闭的沿管周向的环形空腔（30），环形空腔（30）与套管（20）外周面通过进气孔（31）连通，所述的排气通道（32）与环形空腔（30）连通。
  4. 根据权利要求3所述的测径仪导卫，其特征在于：所述的环形空腔（30）由套管（20）内壁与导管（10）外部的变径部位围合构成，导管（10）后端外壁为尺寸逐渐变小的锥台面，所述的排气通道（32）由该锥台面与套管（20）后端的锥形孔之间的区域构成。
  5. 根据权利要求4所述的测径仪导卫，其特征在于：所述的套管（20）内壁具有沿周向的环状凸起（21），所述的导管（10）的变径部位抵靠在凸起（21）上，套管（20）后端螺纹连接端管（40），端管（40）前端的内孔为圆锥孔，所述排气通道（32）由导管（10）后端的锥台面与该圆锥孔之间的区域构成。
  6. 根据权利要求5所述的测径仪导卫，其特征在于：所述的端管（40）出口端为敞口形状。
  7. 根据权利要求3所述的测径仪导卫，其特征在于：所述的进气孔（31）分散布置两个，其中一个连接进气管（90），另一个用可拆卸的堵头（33）封闭。
  8. 根据权利要求1到7中任意一项所述的测径仪导卫，其特征在于：所述的套管（20）固接在管状固定套（60）内，与固定套（60）一体加工的导卫支腿（50）上设置有调整导卫整体位置的调整机构（80）。
PCT/CN2011/082989 2010-11-27 2011-11-25 测径仪导卫 WO2012069019A1 (zh)

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CN102168964B (zh) * 2010-11-27 2015-12-09 合肥市百胜科技发展股份有限公司 测径仪导卫
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CN107747920B (zh) * 2017-08-31 2018-08-14 广东骏驰科技股份有限公司 一种用于汽车管件高精度测量的辅助装置

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