WO2019006915A1 - 一种应用于汽车装饰件检具的居中夹紧定位机构 - Google Patents

一种应用于汽车装饰件检具的居中夹紧定位机构 Download PDF

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Publication number
WO2019006915A1
WO2019006915A1 PCT/CN2017/107230 CN2017107230W WO2019006915A1 WO 2019006915 A1 WO2019006915 A1 WO 2019006915A1 CN 2017107230 W CN2017107230 W CN 2017107230W WO 2019006915 A1 WO2019006915 A1 WO 2019006915A1
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Prior art keywords
base
positioning
limit
pin
positioning mechanism
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PCT/CN2017/107230
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English (en)
French (fr)
Inventor
陈伟杰
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广州敏瑞汽车零部件有限公司
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Application filed by 广州敏瑞汽车零部件有限公司 filed Critical 广州敏瑞汽车零部件有限公司
Publication of WO2019006915A1 publication Critical patent/WO2019006915A1/zh

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
    • 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
    • G01B5/02—Measuring arrangements characterised by the use of mechanical techniques for measuring length, width or thickness

Definitions

  • the invention relates to a detecting device in the field of automobile parts production research, in particular to a center clamping and positioning mechanism applied to a car trim piece inspection tool.
  • the limit block is set to limit the movement of both ends of the product to locate the center plane of the product; the second, in the product two Set the adjustable limit block at the end, first fix the limit block to the theoretical position, and lean the end of the product against the limit block.
  • the plug ruler to measure the distance between the other end of the product and the limit block, and then insert it at this end. The plug with a thickness of half the measured distance moves the product against the end, and then adjusts the limit block at the other end to withstand the product, thereby positioning the center plane of the product.
  • the dimensions of the two ends of the product are actually manufactured to be biased. If the product is too large, the product cannot be placed in the inspection tool; if the product is too small, the product will shake on the inspection tool. Only the size of the two ends of the product is too small, and the impact of the product on the gage on the measured value of the product is negligible, and the product can be positioned on the gage.
  • the operation is complicated and time consuming, and the thickness of the plug is set according to a certain pitch value (the general size is 0.05 mm pitch), so that the accuracy of the product alignment is not high, and there is 0.025 to 0.05. Error in mm.
  • the object of the present invention is to provide a centering clamping positioning mechanism applied to a vehicle trim piece inspection tool, which can quickly adjust the centering positioning car decoration piece, and has high positioning precision.
  • a center clamping and positioning mechanism applied to a vehicle trim piece inspection tool comprising a base, a linear slider passing through the base, a diagonal sliding rail seat and two positioning clamps, a guide rail is disposed on a top surface of one end of the linear slider, and a lower end surface of the oblique rail seat is disposed with a guiding groove matched with the guiding rail, two inclined rails on both sides of the guiding slot, and the two
  • the inclined rails are symmetrical about the guiding groove, and each of the positioning clamps passes through the mounting groove of the side wall of the linear slider, and the inclined slider at one end of the positioning clamp is embedded in the corresponding inclined sliding rail, and the positioning clamp is installed through the positioning pin
  • a pliers is disposed at an end of the positioning clamp away from the inclined slider, and a clamping positioning space is formed between the two pliers.
  • the two inclined rails are arranged in a figure-eight shape, wherein a large end opening in the oblique rail of the figure-eight distribution is close to the base, and a small end opening in the oblique rail of the figure-eight distribution is far away from Base.
  • the method further includes adjusting a pin and a circlip, the rear side of the oblique rail seat is arranged with a limit block, the limiting block is fixed on a top surface of the linear slider, and one end of the adjusting pin Pass through the limit block, the circlip and the ramp rail seat in sequence.
  • the top surface of the base is disposed with a first limiting hole
  • the first limiting hole is configured with a first limiting pin
  • the first limiting pin passes through the first limiting hole Then penetrate into the second limit hole of the linear slider.
  • the thread limiting pin is further disposed, and the thread limiting pin passes through the side wall of the base, and the end of the thread limiting pin is pressed against the bottom wall of the limiting groove on the side of the linear slider.
  • the end of the linear slider away from the guiding block is mounted with a torx screw.
  • the second limiting pin is inserted into the limiting hole of the guiding rail after passing through the limiting slot of the inclined rail seat.
  • the invention has the beneficial effects that: in the invention, the two positioning clamps slide on the symmetrically arranged oblique sliding rail to ensure the extent of the opening and opening; the invention is mounted on the inspection tool through the base for easy disassembly; the positioning clamp is closed and opened.
  • the rotation adjustment pin is used to adjust the position of the inclined rail seat, and the operation is convenient.
  • Figure 1 is a schematic view of the structure of the present invention
  • Figure 2 is a front elevational view of the present invention
  • Figure 3 is a schematic structural view of a linear slider in the present invention.
  • Figure 4 is a schematic structural view of a diagonal slide rail seat of the present invention.
  • Figure 5 is a schematic view showing the structure of two positioning clamps in the present invention.
  • a centering clamping positioning mechanism applied to a vehicle trim piece inspection tool comprising a base 1, a linear slider 5 passing through the base 1, a diagonal rail seat 8 and two positioning clamps 9,
  • a guide rail 50 is disposed on a top surface of one end of the linear slider 5, and a lower end surface of the oblique rail mount 8 is disposed with a guiding groove 81 matching the guide rail 50, and two inclined sides of the guiding groove 81
  • the slide rail 80 is symmetrical with respect to the guide groove 81.
  • Each of the positioning clamps 9 passes through the mounting groove of the side wall of the linear slider 5, and the inclined slider 91 at one end of the positioning clamp 9 is embedded.
  • the positioning clamp 9 is installed in the mounting groove by the positioning pin 10, and the end of the positioning clamp 9 away from the inclined slider 91 is provided with a pliers 90, and the two pliers 90 form a clamping therebetween.
  • the two inclined rails 80 are arranged in a figure-eight shape, wherein the large end opening of the oblique rails of the figure-eight distribution is close to the base 1, and the small end opening of the oblique rails of the figure-eight distribution is away from the base 1.
  • the rear side of the slanting rail seat 8 is arranged with a limiting block 7, the limiting block 7 being fixed on the top surface of the linear slider 5, one end of the adjusting pin 6 being sequentially worn Over the limit block 7, the circlip and the inclined rail seat 8.
  • the top surface of the base 1 is disposed with a first limiting hole, and the first limiting hole is configured with a first limiting pin 4, and the first limiting pin 4 passes through the first limiting hole and penetrates into a straight line.
  • the second limit hole of the block 5 is inside.
  • a threaded limit pin 2 is also included.
  • the threaded limit pin 2 passes through the side wall of the base 1 and the end of the threaded limit pin 2 is pressed against the bottom wall of the limit groove on the side of the linear slider 5.
  • a malle head screw 3 is attached to one end of the linear slider 5 away from the guide block. The plum head screw 3 facilitates the operator to pull the linear slider 5.
  • the second limiting pin 11 is further disposed in the limiting hole of the guiding rail 50 after passing through the limiting slot of the inclined rail seat 8, and passes through the second limiting pin 11 and the oblique sliding
  • the limit groove of the rail seat 8 limits the range of movement of the ramp rail seat 8.
  • the first limit pin 4 is pulled out, the thread limit pin is loosened, the linear slider 5 is withdrawn, and the adjustment pin 6 is turned until the positioning clamp 9 is fully opened, that is, when the clamping positioning space is maximum, the product is Loaded on the gage.
  • the linear slider 5 is pushed so that the cross rib of the product is located in the clamping positioning space, and then the threaded limit pin 2 is tightened.
  • the adjusting pin 6 is turned so that the two positioning clamps 9 are brought along the corresponding positioning pins 10 under the action of the inclined rail 80 and the inclined slider 91 until the two pliers 90 clamp the cross ribs, at this time, the product Positioned in the symmetry plane of the cross ribs. If only one pliers 90 is in contact with the cross ribs, the product is unqualified.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Connection Of Plates (AREA)
  • A Measuring Device Byusing Mechanical Method (AREA)

Abstract

一种应用于汽车装饰件检具的居中夹紧定位机构，包括底座（1）、穿过底座的直线滑块（5）、斜滑轨座（8）以及两块定位夹钳（9）。直线滑块一端顶面上布置有导向轨（50），斜滑轨座的下端面布置有与导向轨相匹配的导向槽（81），导向槽的两侧有两条斜滑轨（80），两条斜滑轨关于导向槽对称。每个定位夹钳穿过直线滑块侧壁的安装槽后，定位夹钳一端的斜滑块（91）嵌在相应的斜滑轨中。定位夹钳通过定位销（10）安装在安装槽中。定位夹钳中远离斜滑块的一端布置有钳子（90），两个钳子之间形成夹紧定位空间。两个定位夹钳在对称布置斜滑轨上滑动保证闭合张开的幅度。底座安装在检具上，便于拆卸。定位夹钳的闭合和张开通过旋转调整销钉来调节斜滑轨座的位置实现，操作方便。

Description

一种应用于汽车装饰件检具的居中夹紧定位机构
技术领域
本发明涉及汽车零部件生产研究领域中的一种检测装置，特别是一种应用于汽车装饰件检具的居中夹紧定位机构。
背景技术
很多汽车内外装饰塑件的定位基准都是设计在零部件某部位的中心对称平面，例如一个十字筋的对称面。实际制造的装饰塑件尺寸是有偏差，而装饰塑件的中心对称平面是无法直接找到，只能通过对装饰塑件两端的定位来间接定位零部件的中心平面。
目前，设计这类产品的检具定位机构通常有两种：第一种，按照产品两端的理论位置设置限位块，限制产品两端移动从而定位产品的中心平面；第二种，在产品两端设置可调节的限位块，先把限位块调节固定在理论位置，把产品一端靠到限位块，用塞片尺测量产品另外一端与限位块的距离，然后在这端塞入厚度为所测距离一半的塞片，把产品移动顶住这端，再调节另外一端的限位块，顶住产品，从而定位产品的中心平面。
对于上述第一种方案，产品两端的尺寸实际制造出来是有偏差的，如果偏大，产品无法放入检具；如果产品偏小，产品在检具上会晃动。只有产品两端的尺寸偏小在一定范围内，并且产品在检具上的晃动对产品的测量值影响是可以忽略的，产品才能在这种检具上定位。
对于上述第二种方案，操作比较复杂，耗费时间，并且塞片的厚度是按一定间距值来设置的（一般尺寸按0.05mm间距），这样导致产品对中的精度不高，有0.025到0.05mm的误差。
发明内容
本发明的目的，在于提供一种应用于汽车装饰件检具的居中夹紧定位机构，其能够快速调整对中定位汽车装饰件，定位精度高。
本发明解决其技术问题的解决方案是：一种应用于汽车装饰件检具的居中夹紧定位机构，包括底座、穿过底座的直线滑块、斜滑轨座以及两块定位夹钳，所述直线滑块一端顶面上布置有导向轨，所述斜滑轨座的下端面布置有与导向轨相匹配的导向槽，所述导向槽的两侧两条斜滑轨，两条所述斜滑轨关于导向槽对称，每个所述定位夹钳穿过直线滑块侧壁的安装槽后定位夹钳一端的斜滑块嵌在相应的斜滑轨中，定位夹钳通过定位销安装在安装槽中，定位夹钳中远离斜滑块的一端布置有钳子，两个所述钳子之间形成夹紧定位空间。
作为上述技术方案的进一步改进，两条所述斜滑轨呈八字形分布，其中，八字形分布的斜滑轨中的大端开口靠近底座，八字形分布的斜滑轨中的小端开口远离底座。
作为上述技术方案的进一步改进，还包括调整销钉和卡簧，所述斜滑轨座的后侧布置有限位块，所述限位块固定在直线滑块的顶面，所述调整销钉的一端依次穿过限位块、卡簧和斜滑轨座。
作为上述技术方案的进一步改进，所述底座的顶面布置第一限位孔，所述第一限位孔配置有第一限位销钉，所述第一限位销钉穿过第一限位孔后穿入直线滑块的第二限位孔内。
作为上述技术方案的进一步改进，还包括螺纹限位销，所述螺纹限位销穿过底座的侧壁后螺纹限位销的末端与直线滑块侧面的限位槽底壁压触。
作为上述技术方案的进一步改进，所述直线滑块中远离导向块的一端安装有梅花头螺钉。
作为上述技术方案的进一步改进，还包括第二限位销钉，所述第二限位销钉穿过斜滑轨座的限位槽后固定在导向轨的限位孔内。
本发明的有益效果是：本发明中两个定位夹钳在对称布置斜滑轨上滑动保证闭合张开的幅度；本发明通过底座安装在检具上，便于拆卸；定位夹钳的闭合和张开通过旋转调整销钉来调节斜滑轨座位置实现，操作方便。
附图说明
为了更清楚地说明本发明实施例中的技术方案，下面将对实施例描述中所需要使用的附图作简单说明。显然，所描述的附图只是本发明的一部分实施例，而不是全部实施例，本领域的技术人员在不付出创造性劳动的前提下，还可以根据这些附图获得其他设计方案和附图。
图1是本发明的结构示意图；
图2是本发明的正视图；
图3是本发明中直线滑块的结构示意图；
图4是本发明中斜滑轨座的结构示意图；
图5是本发明中两个定位夹钳的结构示意图。
具体实施方式
以下将结合实施例和附图对本发明的构思、具体结构及产生的技术效果进行清楚、完整地描述，以充分地理解本发明的目的、特征和效果。显然，所描述的实施例只是本发明的一部分实施例，而不是全部实施例，基于本发明的实施例，本领域的技术人员在不付出创造性劳动的前提下所获得的其他实施例，均属于本发明保护的范围。另外，文中所提到的所有联接/连接关系，并非单指构件直接相接，而是指可根据具体实施情况，通过添加或减少联接辅件，来组成更优的联接结构。
参照图1～图5，一种应用于汽车装饰件检具的居中夹紧定位机构，包括底座1、穿过底座1的直线滑块5、斜滑轨座8以及两块定位夹钳9，所述直线滑块5一端顶面上布置有导向轨50，所述斜滑轨座8的下端面布置有与导向轨50相匹配的导向槽81，所述导向槽81的两侧两条斜滑轨80，两条所述斜滑轨80关于导向槽81对称，每个所述定位夹钳9穿过直线滑块5侧壁的安装槽后定位夹钳9一端的斜滑块91嵌在相应的斜滑轨80中，定位夹钳9通过定位销10安装在安装槽中，定位夹钳9中远离斜滑块91的一端布置有钳子90，两个所述钳子90之间形成夹紧定位空间。两条所述斜滑轨80呈八字形分布，其中，八字形分布的斜滑轨中的大端开口靠近底座1，八字形分布的斜滑轨中的小端开口远离底座1。还包括调整销钉6和卡簧，所述斜滑轨座8的后侧布置有限位块7，所述限位块7固定在直线滑块5的顶面，所述调整销钉6的一端依次穿过限位块7、卡簧和斜滑轨座8。所述底座1的顶面布置第一限位孔，所述第一限位孔配置有第一限位销钉4，所述第一限位销钉4穿过第一限位孔后穿入直线滑块5的第二限位孔内。还包括螺纹限位销2，所述螺纹限位销2穿过底座1的侧壁后螺纹限位销2的末端与直线滑块5侧面的限位槽底壁压触。所述直线滑块5中远离导向块的一端安装有梅花头螺钉3。梅花头螺钉3便于作业员拉动直线滑块5。还包括第二限位销钉11，所述第二限位销钉11穿过斜滑轨座8的限位槽后固定在导向轨50的限位孔内，通过第二限位销钉11和斜滑轨座8的限位槽限制斜滑轨座8的移动范围。
初始状态，将第一限位销钉4拔出，松开螺纹限位销，直线滑块5退出，拧动调整销钉6直到定位夹钳9完全张开，即夹紧定位空间最大时，把产品装到检具上。
推动直线滑块5，使得产品的十字筋位于夹紧定位空间内，然后拧紧螺纹限位销2。拧动调整销钉6，使得两个定位夹钳9在斜滑轨80和斜滑块91的作用下沿着相应的定位销10靠近，直到两个钳子90把十字筋条夹紧，此时产品定位在十字筋的对称平面。若只有一个钳子90与十字筋接触，即该产品不合格。
以上是对本发明的较佳实施方式进行了具体说明，但本发明创造并不限于所述实施例，熟悉本领域的技术人员在不违背本发明精神的前提下还可作出种种的等同变型或替换，这些等同的变型或替换均包含在本申请权利要求所限定的范围内。

Claims (7)

  1. 一种应用于汽车装饰件检具的居中夹紧定位机构，其特征在于：包括底座、穿过底座的直线滑块、斜滑轨座以及两块定位夹钳，所述直线滑块一端顶面上布置有导向轨，所述斜滑轨座的下端面布置有与导向轨相匹配的导向槽，所述导向槽的两侧两条斜滑轨，两条所述斜滑轨关于导向槽对称，每个所述定位夹钳穿过直线滑块侧壁的安装槽后定位夹钳一端的斜滑块嵌在相应的斜滑轨中，定位夹钳通过定位销安装在安装槽中，定位夹钳中远离斜滑块的一端布置有钳子，两个所述钳子之间形成夹紧定位空间。
  2. 根据权利要求1所述的应用于汽车装饰件检具的居中夹紧定位机构，其特征在于：两条所述斜滑轨呈八字形分布，其中，八字形分布的斜滑轨中的大端开口靠近底座，八字形分布的斜滑轨中的小端开口远离底座。
  3. 根据权利要求1或2所述的应用于汽车装饰件检具的居中夹紧定位机构，其特征在于：还包括调整销钉和卡簧，所述斜滑轨座的后侧布置有限位块，所述限位块固定在直线滑块的顶面，所述调整销钉的一端依次穿过限位块、卡簧和斜滑轨座。
  4. 根据权利要求1或2所述的应用于汽车装饰件检具的居中夹紧定位机构，其特征在于：所述底座的顶面布置第一限位孔，所述第一限位孔配置有第一限位销钉，所述第一限位销钉穿过第一限位孔后穿入直线滑块的第二限位孔内。
  5. 根据权利要求1或2所述的应用于汽车装饰件检具的居中夹紧定位机构，其特征在于：还包括螺纹限位销，所述螺纹限位销穿过底座的侧壁后螺纹限位销的末端与直线滑块侧面的限位槽底壁压触。
  6. 根据权利要求1或2所述的应用于汽车装饰件检具的居中夹紧定位机构，其特征在于：所述直线滑块中远离导向块的一端安装有梅花头螺钉。
  7. 根据权利要求1或2所述的应用于汽车装饰件检具的居中夹紧定位机构，其特征在于：还包括第二限位销钉，所述第二限位销钉穿过斜滑轨座的限位槽后固定在导向轨的限位孔内。
PCT/CN2017/107230 2017-07-03 2017-10-23 一种应用于汽车装饰件检具的居中夹紧定位机构 WO2019006915A1 (zh)

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