WO2019071631A1 - 直线度检测装置 - Google Patents

直线度检测装置 Download PDF

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Publication number
WO2019071631A1
WO2019071631A1 PCT/CN2017/106296 CN2017106296W WO2019071631A1 WO 2019071631 A1 WO2019071631 A1 WO 2019071631A1 CN 2017106296 W CN2017106296 W CN 2017106296W WO 2019071631 A1 WO2019071631 A1 WO 2019071631A1
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WO
WIPO (PCT)
Prior art keywords
guiding
flange
straightness
guiding member
electrode
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PCT/CN2017/106296
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English (en)
French (fr)
Inventor
张大崇
张磊
张永方
刘明
Original Assignee
晋城富泰华精密电子有限公司
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Application filed by 晋城富泰华精密电子有限公司 filed Critical 晋城富泰华精密电子有限公司
Publication of WO2019071631A1 publication Critical patent/WO2019071631A1/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
    • G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
    • G01B7/30—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring angles or tapers; for testing the alignment of axes
    • G01B7/31—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring angles or tapers; for testing the alignment of axes for testing the alignment of axes

Definitions

  • the utility model relates to a straightness detecting device.
  • the product is prone to deformation, such as the product is bent upwards or downwards from the middle, resulting in the product's straightness exceeding the error tolerance.
  • deformation such as the product is bent upwards or downwards from the middle
  • the straightness of the product needs to be tested before and after shaping to confirm whether it is within the control range.
  • Existing tests are usually performed by manual metering, which is inefficient and often has errors.
  • a straightness detecting device comprises two positioning blocks for carrying and positioning two ends of a product, a detecting platform for carrying two of the positioning blocks, a pressing mechanism for pressing the product, and a detecting device a detecting mechanism for product straightness, a surface of the two positioning blocks for carrying the product as a reference surface for straightness detection, the detecting mechanism comprising a first guiding member, a second guiding member and a third guiding member a first electrode, two second electrodes, a first elastic member and two second elastic members, wherein the first guiding member and the third guiding member are respectively fixed to two sides of the second guiding member;
  • the first electrode is provided with a first flange to divide the first electrode into an abutting section and a guiding section, and the abutting section passes through the first guiding member and the detecting station, and the guiding a segment portion is disposed in the second guiding member, the first elasticity a first sleeve is abutted on the guiding portion, the first flange
  • each of the second elastic members is sleeved on the corresponding movable segment, and the free end of the movable segment passes through the third guiding member and protrudes outward, each of the second elastic Both ends of the piece respectively abut the second flange and the third guide.
  • each of the second elastic members is fixed to the third guiding member, and the free end of the movable portion abuts the second elastic member.
  • the detecting mechanism further includes two reference members, and the two reference members are fixed to the side of the second guiding member facing the third guiding member at intervals, each of the second electrodes Passing the contact segment through a corresponding one of the reference members and passing through the second guide member toward the first flange, the second flange of each of the second electrodes resisting a corresponding one The reference piece.
  • a spacing between the free end of the abutting section and the reference surface is higher than a spacing between a free end of the contact portion of the second electrode and the first flange And a spacing between a free end of the contact portion of the lower second electrode and the first flange.
  • a distance between the free end of the abutting section and the reference plane is equal to a higher free end of the contact section of the second electrode and the first The spacing between the flanges.
  • the straightness detecting device further includes a chassis, the detecting station and the detecting mechanism are respectively fixed on two sides of the chassis, and the detecting mechanism is partially disposed in the chassis and the detecting station The pressing mechanism is fixed to a side of the chassis.
  • the detecting station includes an upper surface and a lower surface opposite to each other, the lower surface is fixed on the chassis, and the detecting table is further provided with a groove, the groove is from the upper surface The central portion is recessed toward the lower surface.
  • the pressing mechanism includes a power member, a support frame and two pressing heads, the power member is fixed to a side of the chassis, the support frame is connected to the power component, and the two pressures are
  • the head is fixed on the support frame and located directly above the two positioning blocks, and the power member can drive the support frame to reciprocate in a vertical direction to drive the two press heads to press or Loosen both ends of the product.
  • the first guiding member comprises a first guiding plate and two first protruding blocks
  • the second guiding member comprises a second guiding plate and two second protruding blocks
  • the third guiding member comprises a third a guiding plate and two third protrusions, wherein the two first protrusions are spaced apart from one side of the first guiding plate facing the second guiding member, and the two second protruding blocks are spaced apart On the side of the second guiding plate facing the third guiding member, two of the third protrusions are spaced apart from one side of the third guiding plate facing the second guiding member; a guiding plate, two of the first protrusions and the second guiding plate enclosing a first receiving cavity, the second guiding plate, the two second protrusions, the third guiding plate and two
  • the third protrusion is disposed to form a second receiving cavity; the first flange, the first elastic member, a portion of the guiding portion and a portion of the contact portion are received in the first
  • the straightness detecting device of the present invention utilizes The structure of the first electrode and the two electrodes is configured to automatically detect the straightness of the product as long as the product is positioned to a preset position, which is simple and quick.
  • FIG. 1 is a perspective view of a straightness detecting device in an embodiment of the present invention.
  • Fig. 2 is an exploded perspective view showing the straightness detecting device shown in Fig. 1.
  • Figure 3 is a perspective view of the detecting mechanism shown in Figure 2.
  • Figure 4 is an exploded perspective view of the detecting mechanism shown in Figure 3.
  • Figure 5 is an exploded perspective view of another angle of the detecting mechanism shown in Figure 3.
  • Figure 6 is a cross-sectional view of the straightness detecting device shown in Figure 1 taken along line VI-VI.
  • Figure 7 is an enlarged schematic view of the circle VII in Figure 6.
  • FIGS. 8 to 10 are schematic views showing the detection of the straightness detecting device in the embodiment.
  • Straightness detecting device 100 product 200 Fixed table 10 Chassis 11 Horizontal board 111 Vertical board 112 Carrying platform 12 Test bench 13 Upper surface 131
  • the embodiment of the present invention provides a straightness detecting device, which includes two positioning blocks for carrying and positioning the two ends of the product, a detecting platform for carrying the two positioning blocks, and a pressing for holding the product.
  • a mechanism and a detecting mechanism for detecting the straightness of the product wherein the surface of the two positioning blocks for carrying the product is used as a reference surface for straightness detection, and the detecting mechanism comprises a first guiding member and a second guiding a third guiding member, a first electrode, two second electrodes, a first elastic member and two second elastic members, wherein the first guiding member and the third guiding member are respectively fixed to the second guiding Both sides of the piece;
  • the first electrode is provided with a first flange to divide the first electrode into an abutting section and a guiding section, the abutting section passing through the first guiding member and the detecting
  • the first elastic member is sleeved on the guiding portion, and the first flange abuts the first guiding member
  • Each of the second electrodes is provided with a second flange to divide the second electrode into a contact segment and a movable segment, the contact segment passing through the second guiding member to face the first convex a second flange abutting the second guiding member, the movable portion is movably connected to the third guiding member by the second elastic member; and the freedom of the abutting portion in a non-working state
  • the end is higher than the reference surface, the free ends of the two contact segments are spaced from the first flange, and the free ends of the two contact segments have a height equal to the product in the vertical direction The height difference of the maximum error value allowed for straightness.
  • the straightness detecting device 100 of the present invention is used for The straightness of the deformed product 200 is detected.
  • the straightness detecting device 100 includes a fixing table 10, a holding mechanism 20, and a detecting mechanism 30.
  • the pressing mechanism 20 is fixed to one side of the fixing table 10 for pressing the product 200 placed on the fixing table 10.
  • the detecting mechanism 30 is fixed to the fixing table 10 for performing straightness detection on the product 200.
  • the fixing table 10 includes a chassis 11 , a carrying platform 12 , a detecting station 13 and two positioning blocks 14 .
  • the chassis 11 is substantially a herringbone frame composed of two horizontal plates 111 and two vertical plates 112.
  • the carrier 12 is fixed to the chassis 11 .
  • the detection station 13 is disposed on the carrier 12 .
  • Two positioning blocks 14 are fixedly spaced on the detection table 13 for positioning the product 200. It can be understood that the carrying platform 12 can be omitted, and the detecting station 13 can be directly fixed to the chassis 11.
  • the inspection station 13 is a flat plate including an upper surface 131 and a lower surface 132 that face each other.
  • the lower surface 132 is attached to the carrying platform 12 .
  • the detection table 13 is further provided with a recess 133.
  • the groove 133 is recessed from a central portion of the upper surface 131 toward the lower surface 132. In the embodiment, the groove 133 is substantially rectangular.
  • the groove 133 is located directly below the product 200.
  • the central portion of the detecting station 13 is further provided with a through hole 134 for partially penetrating the detecting mechanism 30.
  • Two positioning blocks 14 are respectively fixed to the upper surface 131 of the detecting table 13 near the two ends for respectively positioning opposite ends of the product 200. Two of the positioning blocks 14 are located on both sides of the groove 133. Each of the positioning blocks 14 is provided with a U-shaped groove 141 for receiving and positioning one end of the product 200. The U-shaped grooves 141 of the two positioning blocks 14 are oppositely disposed.
  • one reference block 15 can also be fixed in each of the U-shaped grooves 141.
  • the shape and size of each of the reference blocks 15 is adapted to the shape and size of the U-shaped groove 141.
  • each of the reference blocks 15 is substantially U. type. Both ends of the product 200 are housed and positioned within the two reference blocks 15. The surfaces of the two reference blocks 15 that are in contact with both ends of the product 200 are located in the same horizontal plane, and the virtual horizontal plane serves as a reference surface 40 for detecting the straightness of the product 200.
  • the pressing mechanism 20 is fixed to a side surface of the chassis 11 . Specifically, the pressing mechanism 20 is fixed to the side of the upper horizontal plate 111 of the chassis 11.
  • the pressing mechanism 20 includes a power member 21, a support frame 22 and two rams 23.
  • the power member 21 is fixed to a side of the horizontal plate 111.
  • the support frame 22 is coupled to the power member 21.
  • Two of the rams 23 are fixed to the support frame 22 and are located directly above the two reference blocks 15.
  • the power member 21 is capable of driving the support frame 22 to reciprocate in a vertical direction to drive the two press heads 23 to press or release both ends of the product 200.
  • the support frame 22 includes a support plate 221 and two cantilevers 222.
  • the support plate 221 is vertically disposed and connected to the power member 21.
  • Two of the cantilever arms 222 are horizontally disposed and are spaced apart from the support plate 221 at a position close to the top end.
  • Two of the indenters 23 are respectively fixed to the free ends of the two cantilevers 222.
  • the holding mechanism 20 further includes a connection block 24.
  • the connection block 24 is generally L-shaped and includes a horizontal portion 241 and a vertical portion 242.
  • the horizontal portion 241 is coupled to the power member 21.
  • the power member 21 is a cylinder.
  • the vertical portion 242 is located on a side of the power member 21 away from the chassis 11 .
  • the support plate 221 is fixed to the side of the vertical portion 242 facing away from the power member 21.
  • the holding mechanism 20 further includes a fixing block 25.
  • the fixing block 25 is fixed to the side of the upper horizontal plate 111 of the chassis 11.
  • the power member 21 is fixed to a side of the fixing block 25 facing away from the chassis 11 .
  • the detecting mechanism 30 is fixed to the upper horizontal plate 111 of the chassis 11. A part of the detecting mechanism 30 passes through the horizontal plate 111 and the carrying platform
  • the detection table 13 is housed in the recess 133 of the detection table 13 and the other portion is located in the frame of the chassis 11.
  • the detecting mechanism 30 includes a first guiding member 31, a second guiding member 32, a third guiding member 33, a first electrode 34, two second electrodes 35, a first elastic member 36, and Two second elastic members 37.
  • the second guiding member 32 and the third guiding member 33 are relatively fixed.
  • the first guiding member 31 is fixed to a side of the second guiding member 32 facing away from the third guiding member 33.
  • the first guiding member 31 is fixed to a bottom surface of the upper horizontal plate 111 of the chassis 11 .
  • a first receiving cavity 301 is formed between the first guiding member 31 and the second guiding member 32, and a second receiving cavity 302 is formed between the second guiding member 32 and the third guiding member 33.
  • the first guiding member 31 includes a first guiding plate 311 and two first protrusions 312, and the second guiding member 32 includes a second guiding plate 321 and two second protrusions 322,
  • the three guiding members 33 include a third guiding plate 331 and two third projections 332.
  • the two first protrusions 312 are spaced apart from one side of the first guiding plate 311 facing the second guiding member 32.
  • Two of the second protrusions 322 are spaced apart from one side of the second guiding plate 321 facing the third guiding member 33.
  • the two third protrusions 332 are spaced apart from one side of the third guiding plate 331 facing the second guiding member 32.
  • the first receiving cavity 301 is formed by the first guiding plate 311, the two first protrusions 312 and the second guiding plate 321 .
  • the second receiving cavity 302 is formed by the second guiding plate 321 , the two second protrusions 322 , the third guiding plate 331 and the two third protrusions 332 .
  • a first flange 341 is disposed on a periphery of the first electrode 34, and the first flange 341 divides the first electrode 34 into an abutting section 342 and a guiding section 343.
  • the abutting portion 342 is disposed in the first guiding plate 311 of the first guiding member 31 and protrudes outwardly.
  • the first flange 341 abuts the first guiding plate 311 .
  • the first An elastic member 36 is sleeved on the guiding portion 343, and the guiding portion 343 is partially disposed in the second guiding plate 321 of the second guiding member 32. Both ends of the first elastic member 36 are The first flange 341 and the second guide plate 321 are respectively resisted.
  • the first flange 341, the first elastic member 36 and a portion of the guiding portion 343 are received in the first receiving cavity 301.
  • a second flange 351 is provided on a periphery of each of the second electrodes 35.
  • the second flange 351 divides the second electrode 35 into a contact segment 352 and a movable segment 353.
  • the contact portion 352 passes through the second guiding plate 321 of the second guiding member 32 and is partially received in the first receiving cavity 301, and the free end of the contact segment 352 faces the first electrode.
  • the second flange 351 abuts the second guide plate 321 .
  • the movable section 353 is movably connected to the third guide 33 by the second elastic member 37.
  • the second elastic member 37 is sleeved on the movable section 353, and the free end of the movable section 353 passes through the third guiding plate 331 of the third guiding member 33 and is outward.
  • the two ends of the second elastic member 37 respectively abut the second flange 351 and the third guiding plate 331.
  • the second flange 351, the second elastic member 37 and a portion of the movable section 353 are received in the second receiving cavity 302.
  • the movable section 353 may not be disposed in the third guiding plate 331 , and the second elastic member 37 is fixed on the third guiding plate 331 .
  • the free end of the movable section 353 abuts the connection manner of the second elastic member 37.
  • the detecting mechanism 30 further includes two reference members 38.
  • Two of the reference members 38 are fixed to the second guiding plate 321 at intervals and between the two second protruding blocks 322.
  • the contact segments 352 of each of the second electrodes 35 pass through a corresponding reference member 38 and pass through the second guiding plate 321 and are partially received in the first receiving cavity 301, each The second flange 351 of the second electrode 35 abuts against a corresponding one of the bases Standard 38.
  • the first electrode 34 is a negative electrode
  • the two second electrodes 35 are positive electrodes
  • the first elastic member 36 and the two second elastic members 37 are both springs.
  • the free end of the contact segment 352 of the two second electrodes 35 and the first end of the first electrode 34 is slightly different. That is, the free ends of the two contact segments 352 have a certain height difference in the vertical direction. Preferably, the height difference is equal to the maximum error value allowed by the straightness of the product 200.
  • the free end of the abutting section 342 of the first electrode 34 slightly protrudes from the virtual reference plane 40 mentioned above, and the distance between the free end of the abutting section 342 and the virtual reference plane is between a higher spacing between the free end of the contact segment 352 of the second electrode 35 and the first flange 341 and a lower free end of the contact segment 352 of the second electrode 35 Between the spacing between the first flanges 341.
  • the distance between the free end of the abutting section 342 and the virtual reference plane is equal to the spacing of the free end of the contact section 352 of the second electrode 35 to the first flange 341.
  • the manner of changing the length of the contact segments 352 of the two second electrodes 35 may be employed, or the thickness of the two reference members 38 may be changed. It is also possible to adopt a method of changing the thickness of each portion on the second guide plate 321, and the like.
  • the product 200 is placed on the connecting block 24 in the U-shaped groove 141 of the two positioning blocks 14; the two pressing heads 23 are driven by the power member 21 to press Both ends of the product 200; the first electrode 34 and the two second electrodes 35 are connected to an external circuit (not shown)
  • Initial detection when the external circuit displays that neither of the second electrode 35 nor the first electrode 34 is conductive (as shown in FIG. 8), it indicates that the middle portion of the product 200 protrudes upward and exceeds a straight line.
  • the tolerance range of the error is a defective product; when the external circuit shows that only one of the second electrodes 35 is electrically connected to the first electrode 34 (as shown in FIG. 9), the straightness of the middle portion of the product 200 is indicated.
  • the straightness detecting device 100 of the present invention is configured by using the first electrode 34 and the two second electrodes 35 as long as the product 200 is positioned to a preset position.
  • the straightness of the product 200 can be automatically detected, which is simple and quick.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
  • Length Measuring Devices With Unspecified Measuring Means (AREA)

Abstract

一种直线度检测装置(100)，包括定位块(14)、检测台(13)、压持机构(20)和检测机构(30)，检测机构(30)包括第一电极(34)、两个第二电极(35)，两个第二电极(35)的触接段(352)的自由端与第一电极(34)的第一凸缘(341)之间间隔设置，且两个第二电极(35)的触接段(352)的自由端与第一电极(34)的第一凸缘(341)之间的间距略有不同，即两个触接段(352)的自由端在竖直方向上存在一定的高度差。直线度检测装置(100)利用第一电极(34)和两个第二电极(35)的结构设置，只要对产品(200)定位到预设位置即可自动检测产品(200)的直线度，简单快捷。

Description

直线度检测装置 技术领域
本实用新型涉及一种直线度检测装置。
背景技术
在产品的生产加工过程中，产品容易发生变形，如产品从中部向上或向下弯曲，导致产品的直线度超出误差许可范围。对于直线度要求严格的产品，需对其进行整形且在整形前后需要对产品的直线度进行检测，以确认是否在管控范围内。现有的检测通常是由人工进行打表检测，效率低下，时常存在误差。
实用新型内容
有鉴于此，有必要提供一种能够快速、自动检测产品直线度的直线度检测装置。
一种直线度检测装置，包括两个用以承载和定位产品两端的定位块、用以承载两个所述定位块的检测台、用以压持所述产品的压持机构和用以检测所述产品直线度的检测机构，两个所述定位块中用以承载所述产品的表面作为直线度检测的基准面，所述检测机构包括第一导向件、第二导向件、第三导向件、第一电极、两个第二电极、第一弹性件和两个第二弹性件，所述第一导向件和所述第三导向件分别固定于所述第二导向件的两侧；所述第一电极设有第一凸缘以将所述第一电极分为抵接段和导接段，所述抵接段穿过所述第一导向件和所述检测台，所述导接段部分穿设于所述第二导向件中，所述第一弹性 件套设于所述导接段上，所述第一凸缘抵持所述第一导向件，所述第一弹性件的两端分别抵持所述第一凸缘和所述第二导向件；每一所述第二电极设有第二凸缘以将所述第二电极分为触接段和活动段，所述触接段穿过所述第二导向件以正对所述第一凸缘，所述第二凸缘抵持所述第二导向件，所述活动段通过所述第二弹性件与所述第三导向件活动连接；非作业状态时，所述抵接段的自由端高于所述基准面，两个所述触接段的自由端与所述第一凸缘之间间隔，两个所述触接段的自由端在竖直方向上具有等于所述产品的直线度所能允许的最大误差值的高度差。
进一步地，每个所述第二弹性件套设于相应的所述活动段上，所述活动段的自由端穿过所述第三导向件并向外凸伸，每个所述第二弹性件的两端分别抵持所述第二凸缘和所述第三导向件。
进一步地，每个所述第二弹性件固定于所述第三导向件上，所述活动段的自由端抵持所述第二弹性件。
进一步地，所述检测机构还包括两个基准件，两个所述基准件间隔地固定于所述第二导向件上朝向所述第三导向件的一侧，每一所述第二电极的所述触接段穿过一个对应的所述基准件后穿过所述第二导向件以朝向所述第一凸缘，每一所述第二电极的所述第二凸缘抵持一个对应的所述基准件。
进一步地，所述抵接段的自由端与所述基准面之间的间距介于较高的所述第二电极的所述触接段的自由端与所述第一凸缘之间的间距和较低的所述第二电极的触接段的自由端与所述第一凸缘之间的间距之间。
进一步地，所述抵接段的自由端与所述基准面之间的间距等于较高的所述第二电极的所述触接段的自由端与所述第一 凸缘之间的间距。
进一步地，所述直线度检测装置还包括底架，所述检测台和所述检测机构分别固定于所述底架两侧，所述检测机构部分穿设于所述底架和所述检测台中，所述压持机构固定于所述底架的侧边。
进一步地，所述检测台包括相互背对的上表面和下表面，所述下表面固定于所述底架上，所述检测台上还设有凹槽，所述凹槽自所述上表面的中心部位朝向所述下表面凹陷形成。
进一步地，所述压持机构包括动力件、支撑架和两个压头，所述动力件固定于所述底架的侧边，所述支撑架与所述动力件连接，两个所述压头固定于所述支撑架上，且分别位于两个所述定位块的正上方，所述动力件能够驱动所述支撑架在竖直方向上往复运动以带动两个所述压头压持或松开所述产品的两端。
进一步地，所述第一导向件包括第一导向板和两个第一凸块，所述第二导向件包括第二导向板和两个第二凸块，所述第三导向件包括第三导向板和两个第三凸块，两个所述第一凸块间隔地设于所述第一导向板朝向所述第二导向件的一侧，两个所述第二凸块间隔地设于所述第二导向板朝向所述第三导向件的一侧，两个所述第三凸块间隔地设于所述第三导向板朝向所述第二导向件的一侧；所述第一导向板、两个所述第一凸块和第二导向板围设形成第一收容腔，所述第二导向板、两个所述第二凸块、所述第三导向板和两个所述第三凸块围设形成第二收容腔；所述第一凸缘、所述第一弹性件、部分所述导接段和部分所述触接段收容于所述第一收容腔内，所述第二凸缘、所述第二弹性件和部分所述活动段收容于所述第二收容腔内。
相较于现有技术，本实用新型的所述直线度检测装置利用 所述第一电极和两个所述第二电极的结构设置，只要对所述产品定位到预设位置即可自动检测所述产品的直线度，简单快捷。
附图说明
图1为本实用新型的实施方式中直线度检测装置的立体示意图。
图2为图1中所示直线度检测装置的分解示意图。
图3为图2中所示检测机构的立体示意图。
图4为图3中所示检测机构的分解示意图。
图5为图3中所示检测机构的另一角度的分解示意图。
图6为图1中所示直线度检测装置沿VI-VI线的剖面示意图。
图7为图6中圆圈VII处的放大示意图。
图8至图10为本实施方式中的直线度检测装置的检测示意图。
主要元件符号说明
直线度检测装置 100
产品 200
固定台 10
底架 11
水平板 111
竖直板 112
承载台 12
检测台 13
上表面 131
下表面 132
凹槽 133
穿孔 134
定位块 14
U型槽 141
基准块 15
压持机构 20
动力件 21
支撑架 22
支撑板 221
悬臂 222
压头 23
连接块 24
水平部 241
竖直部 242
固定块 25
检测机构 30
第一收容腔 301
第二收容腔 302
第一导向件 31
第一导向板 311
第一凸块 312
第二导向件 32
第二导向板 321
第二凸块 322
第三导向件 33
第三导向板 331
第三凸块 332
第一电极 34
第一凸缘 341
抵接段 342
导接段 343
第二电极 35
第二凸缘 351
触接段 352
活动段 353
第一弹性件 36
第二弹性件 37
基准件 38
基准面 40
如下具体实施方式将结合上述附图进一步说明本实用新型。
具体实施方式
下面将结合本实用新型实施方式中的附图，对本实用新型实施方式中的技术方案进行清楚、完整地描述，显然，所描述的实施方式仅是本实用新型一部分实施方式，而不是全部的实施方式。基于本实用新型中的实施方式，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施方式，都属于本实用新型保护的范围。
需要说明的是，当一个元件被认为是“连接”另一个元件，它可以是直接连接到另一个元件或者可能同时存在居中元件。
除非另有定义，本文所使用的所有的技术和科学术语与属于本实用新型的技术领域的技术人员通常理解的含义相同。本文中在本实用新型的说明书中所使用的术语只是为了描述具 体的实施方式的目的，不是旨在于限制本实用新型。本文所使用的术语“及/或”包括一个或多个相关的所列项目的任意的和所有的组合。
本实用新型实施方式提供一种直线度检测装置，包括两个用以承载和定位产品两端的定位块、用以承载两个所述定位块的检测台、用以压持所述产品的压持机构和用以检测所述产品直线度的检测机构，两个所述定位块中用以承载所述产品的表面作为直线度检测的基准面，所述检测机构包括第一导向件、第二导向件、第三导向件、第一电极、两个第二电极、第一弹性件和两个第二弹性件，所述第一导向件和所述第三导向件分别固定于所述第二导向件的两侧；所述第一电极设有第一凸缘以将所述第一电极分为抵接段和导接段，所述抵接段穿过所述第一导向件和所述检测台，所述导接段部分穿设于所述第二导向件中，所述第一弹性件套设于所述导接段上，所述第一凸缘抵持所述第一导向件，所述第一弹性件的两端分别抵持所述第一凸缘和所述第二导向件；每一所述第二电极设有第二凸缘以将所述第二电极分为触接段和活动段，所述触接段穿过所述第二导向件以正对所述第一凸缘，所述第二凸缘抵持所述第二导向件，所述活动段通过所述第二弹性件与所述第三导向件活动连接；非作业状态时，所述抵接段的自由端高于所述基准面，两个所述触接段的自由端与所述第一凸缘之间间隔，两个所述触接段的自由端在竖直方向上具有等于所述产品的直线度所能允许的最大误差值的高度差。
下面结合附图，对本实用新型的一些实施方式作详细说明。在不冲突的情况下，下述的实施方式及实施方式中的特征可以相互组合。
请参见图1和图2，本实用新型的直线度检测装置100用以 检测变形的产品200的直线度。所述直线度检测装置100包括固定台10、压持机构20和检测机构30。所述压持机构20固定于所述固定台10的一侧，用以压持放置于所述固定台10上的所述产品200。所述检测机构30固定于所述固定台10上，用以对所述产品200进行直线度检测。
所述固定台10包括底架11、承载台12、检测台13和两个定位块14。在本实施方式中，所述底架11大致呈口字型的框架，其由两个水平板111和两个竖直板112组成。所述承载台12固定于所述底架11上。所述检测台13设置于所述承载台12上。两个所述定位块14间隔地固定于所述检测台13上，用以定位所述产品200。可以理解地，所述承载台12可以省略，所述检测台13可以直接固定于所述底架11上。
所述检测台13为平面板，其包括相互背对的上表面131和下表面132。所述下表面132贴设于所述承载台12上。所述检测台13上还设有凹槽133。所述凹槽133自所述上表面131的中心部位朝向所述下表面132凹陷形成。在本实施方式中，所述凹槽133大致呈长方形。所述凹槽133位于所述产品200的正下方。所述检测台13的中心部位还设有穿孔134，用以部分穿设所述检测机构30。
两个所述定位块14分别固定于所述检测台13的上表面131靠近两端的部位，用以分别定位所述产品200的相对两端。两个所述定位块14位于所述凹槽133的两侧。每一所述定位块14上设有U型槽141，用以收容和定位所述产品200的其中一端。两个所述定位块14的U型槽141相对设置。
优选地，每一所述U型槽141内还可固定一个基准块15。每一所述基准块15的形状和尺寸与所述U型槽141的形状和尺寸相适应。在本实施方式中，每一所述基准块15大致呈U 型。所述产品200的两端收容和定位于两个所述基准块15内。两个所述基准块15与所述产品200的两端接触的表面位于同一水平面内，该虚拟的水平面作为检测所述产品200的直线度的基准面40。
所述压持机构20固定于所述底架11的侧面。具体地，所述压持机构20固定于所述底架11的上层水平板111的侧边。所述压持机构20包括动力件21、支撑架22和两个压头23。所述动力件21固定于所述水平板111的侧边。所述支撑架22与所述动力件21连接。两个所述压头23固定于所述支撑架22上，且分别位于两个所述基准块15的正上方。所述动力件21能够驱动所述支撑架22在竖直方向上往复运动，以带动两个所述压头23压持或松开所述产品200的两端。
所述支撑架22包括支撑板221和两个悬臂222。所述支撑板221竖直设置，且与所述动力件21连接。两个所述悬臂222水平设置，且间隔地固定于所述支撑板221上靠近顶端的部位。两个所述压头23分别固定于两个所述悬臂222的自由端。
优选地，所述压持机构20还包括连接块24。所述连接块24大致呈L型，其包括水平部241和竖直部242。所述水平部241与所述动力件21连接。在本实施方式中，所述动力件21为气缸。所述竖直部242位于所述动力件21远离所述底架11的一侧。所述支撑板221固定于所述竖直部242背向所述动力件21的侧面。
优选地，所述压持机构20还包括固定块25。所述固定块25固定于所述底架11的上层水平板111的侧边。所述动力件21固定于所述固定块25背向所述底架11的侧面。
所述检测机构30固定于所述底架11的上层水平板111上。所述检测机构30的一部分穿过所述水平板111、所述承载台 12和所述检测台13以收容于所述检测台13的凹槽133内，另一部位位于所述底架11的框架内。
请参见图3至图6，所述检测机构30包括第一导向件31、第二导向件32、第三导向件33、第一电极34、两个第二电极35、第一弹性件36和两个第二弹性件37。所述第二导向件32和所述第三导向件33相对固定。所述第一导向件31固定于所述第二导向件32背向所述第三导向件33的一侧。所述第一导向件31固定于所述底架11的上层水平板111的底面。所述第一导向件31和所述第二导向件32之间形成第一收容腔301，所述第二导向件32和所述第三导向件33之间形成第二收容腔302。
具体地，所述第一导向件31包括第一导向板311和两个第一凸块312，所述第二导向件32包括第二导向板321和两个第二凸块322，所述第三导向件33包括第三导向板331和两个第三凸块332。两个所述第一凸块312间隔地设于所述第一导向板311朝向所述第二导向件32的一侧。两个所述第二凸块322间隔地设于所述第二导向板321朝向所述第三导向件33的一侧。两个所述第三凸块332间隔地设于所述第三导向板331朝向所述第二导向件32的一侧。所述第一收容腔301由所述第一导向板311、两个所述第一凸块312和第二导向板321围设形成。所述第二收容腔302由所述第二导向板321、两个所述第二凸块322、所述第三导向板331和两个所述第三凸块332围设形成。
所述第一电极34的周缘设有第一凸缘341，所述第一凸缘341将所述第一电极34分为抵接段342和导接段343。所述抵接段342穿设于所述第一导向件31的第一导向板311中并向外凸伸，所述第一凸缘341抵持所述第一导向板311。所述第 一弹性件36套设于所述导接段343上，所述导接段343部分穿设于所述第二导向件32的第二导向板321中，所述第一弹性件36的两端分别抵持所述第一凸缘341和所述第二导向板321。所述第一凸缘341、所述第一弹性件36和部分所述导接段343收容于所述第一收容腔301内。
每一所述第二电极35的周缘设有第二凸缘351。所述第二凸缘351将所述第二电极35分为触接段352和活动段353。所述触接段352穿过所述第二导向件32的第二导向板321并部分收容于所述第一收容腔301内，且所述触接段352的自由端正对所述第一电极34的第一凸缘341。所述第二凸缘351抵持所述第二导向板321。
所述活动段353通过所述第二弹性件37与所述第三导向件33活动连接。在本实施方式中，所述第二弹性件37套设于所述活动段353上，所述活动段353的自由端穿过所述第三导向件33的第三导向板331中并向外凸伸，所述第二弹性件37的两端分别抵持所述第二凸缘351和所述第三导向板331。所述第二凸缘351、所述第二弹性件37和部分所述活动段353收容于所述第二收容腔302内。可以理解地，在其它实施方式中，所述活动段353也可以不穿设于所述第三导向板331中，而采用将所述第二弹性件37固定于所述第三导向板331上，所述活动段353的自由端抵持第二弹性件37的连接方式。
优选地，在本实施方式中，所述检测机构30还包括两个基准件38。两个所述基准件38间隔地固定于所述第二导向板321上，且位于两个所述第二凸块322之间。每一所述第二电极35的所述触接段352穿过一个对应的所述基准件38后穿过所述第二导向板321并部分收容于所述第一收容腔301内，每一所述第二电极35的所述第二凸缘351抵持一个对应的所述基 准件38。
在本实施方式中，所述第一电极34为负极，两个所述第二电极35为正极，所述第一弹性件36和两个所述第二弹性件37均采用弹簧。
请同时参见图6和图7，所述检测机构30处于非作业状态时：两个所述第二电极35的所述触接段352的自由端与所述第一电极34的所述第一凸缘341之间间隔设置，且两个所述第二电极35的所述触接段352的自由端与所述第一电极34的所述第一凸缘341之间的间距略有不同，即两个所述触接段352的自由端在竖直方向上存在一定的高度差，优选地，该高度差等于所述产品200的直线度所能允许的最大误差值。同时，所述第一电极34的抵接段342的自由端略微突出上文提到的虚拟的基准面40，且所述抵接段342的自由端与该虚拟基准面之间的间距介于较高的所述第二电极35的触接段352的自由端与所述第一凸缘341之间的间距和较低的所述第二电极35的触接段352的自由端与所述第一凸缘341之间的间距之间。优选地，所述抵接段342的自由端与该虚拟基准面之间的间距等于较高的所述第二电极35的触接段352的自由端至所述第一凸缘341的间距。
为实现两个所述第二电极35的高度差，可以采用改变两个所述第二电极35的触接段352的长度的方式，也可以采用改变两个所述基准件38的厚度的方式，还可以采用改变所述第二导向板321上各部位的厚度的方式等等。
所述检测机构30作业时：将所述产品200放置于两个所述定位块14的U型槽141内的连接块24上；通过所述动力件21驱动两个所述压头23压持所述产品200的两端；将所述第一电极34和两个所述第二电极35接入外部电路(图未示)开 始检测：当外部电路显示两个所述第二电极35与所述第一电极34均不导通时(如图8所示)，表明所述产品200的中间部分向上凸伸且超过了直线度误差许可范围，属于不良品；当外部电路显示只有一个所述第二电极35与所述第一电极34导通时(如图9所示)，表明所述产品200的中间部分的直线度在误差许可范围内，属于良品；当外部电路显示两个所述第二电极35与所述第一电极34均导通时(如图10所示)，表明所述产品200的中间部分向下凸伸且超过了直线度误差许可范围，属于不良品。
相较于现有技术，本实用新型的所述直线度检测装置100利用所述第一电极34和两个所述第二电极35的结构设置，只要对所述产品200定位到预设位置即可自动检测所述产品200的直线度，简单快捷。
可以理解的是，对于本领域的普通技术人员来说，可以根据本实用新型的技术构思做出其它各种相应的改变与变形，而所有这些改变与变形都应属于本实用新型权利要求的保护范围。

Claims (10)

  1. 一种直线度检测装置，包括两个用以承载和定位产品两端的定位块、用以承载两个所述定位块的检测台、用以压持所述产品的压持机构和用以检测所述产品直线度的检测机构，其特征在于：两个所述定位块中用以承载所述产品的表面作为直线度检测的基准面，所述检测机构包括第一导向件、第二导向件、第三导向件、第一电极、两个第二电极、第一弹性件和两个第二弹性件，所述第一导向件和所述第三导向件分别固定于所述第二导向件的两侧；所述第一电极设有第一凸缘以将所述第一电极分为抵接段和导接段，所述抵接段穿过所述第一导向件和所述检测台，所述导接段部分穿设于所述第二导向件中，所述第一弹性件套设于所述导接段上，所述第一凸缘抵持所述第一导向件，所述第一弹性件的两端分别抵持所述第一凸缘和所述第二导向件；每一所述第二电极设有第二凸缘以将所述第二电极分为触接段和活动段，所述触接段穿过所述第二导向件以正对所述第一凸缘，所述第二凸缘抵持所述第二导向件，所述活动段通过所述第二弹性件与所述第三导向件活动连接；非作业状态时，所述抵接段的自由端高于所述基准面，两个所述触接段的自由端与所述第一凸缘之间间隔，两个所述触接段的自由端在竖直方向上具有等于所述产品的直线度所能允许的最大误差值的高度差。
  2. 如权利要求1所述的直线度检测装置，其特征在于：每个所述第二弹性件套设于相应的所述活动段上，所述活动段的自由端穿过所述第三导向件并向外凸伸，每个所述第二弹性件的两端分别抵持所述第二凸缘和所述第三导向件。
  3. 如权利要求1所述的直线度检测装置，其特征在于：每 个所述第二弹性件固定于所述第三导向件上，所述活动段的自由端抵持所述第二弹性件。
  4. 如权利要求1所述的直线度检测装置，其特征在于：所述检测机构还包括两个基准件，两个所述基准件间隔地固定于所述第二导向件上朝向所述第三导向件的一侧，每一所述第二电极的所述触接段穿过一个对应的所述基准件后穿过所述第二导向件以朝向所述第一凸缘，每一所述第二电极的所述第二凸缘抵持一个对应的所述基准件。
  5. 如权利要求1所述的直线度检测装置，其特征在于：所述抵接段的自由端与所述基准面之间的间距介于较高的所述第二电极的所述触接段的自由端与所述第一凸缘之间的间距和较低的所述第二电极的触接段的自由端与所述第一凸缘之间的间距之间。
  6. 如权利要求5所述的直线度检测装置，其特征在于：所述抵接段的自由端与所述基准面之间的间距等于较高的所述第二电极的所述触接段的自由端与所述第一凸缘之间的间距。
  7. 如权利要求1所述的直线度检测装置，其特征在于：所述直线度检测装置还包括底架，所述检测台和所述检测机构分别固定于所述底架两侧，所述检测机构部分穿设于所述底架和所述检测台中，所述压持机构固定于所述底架的侧边。
  8. 如权利要求7所述的直线度检测装置，其特征在于：所述检测台包括相互背对的上表面和下表面，所述下表面固定于所述底架上，所述检测台上还设有凹槽，所述凹槽自所述上表面的中心部位朝向所述下表面凹陷形成。
  9. 如权利要求7所述的直线度检测装置，其特征在于：所述压持机构包括动力件、支撑架和两个压头，所述动力件固定于所述底架的侧边，所述支撑架与所述动力件连接，两个所述 压头固定于所述支撑架上，且分别位于两个所述定位块的正上方，所述动力件能够驱动所述支撑架在竖直方向上往复运动以带动两个所述压头压持或松开所述产品的两端。
  10. 如权利要求1所述的直线度检测装置，其特征在于：所述第一导向件包括第一导向板和两个第一凸块，所述第二导向件包括第二导向板和两个第二凸块，所述第三导向件包括第三导向板和两个第三凸块，两个所述第一凸块间隔地设于所述第一导向板朝向所述第二导向件的一侧，两个所述第二凸块间隔地设于所述第二导向板朝向所述第三导向件的一侧，两个所述第三凸块间隔地设于所述第三导向板朝向所述第二导向件的一侧；所述第一导向板、两个所述第一凸块和第二导向板围设形成第一收容腔，所述第二导向板、两个所述第二凸块、所述第三导向板和两个所述第三凸块围设形成第二收容腔；所述第一凸缘、所述第一弹性件、部分所述导接段和部分所述触接段收容于所述第一收容腔内，所述第二凸缘、所述第二弹性件和部分所述活动段收容于所述第二收容腔内。
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CN107063078A (zh) * 2017-01-20 2017-08-18 广东工业大学 一种水平直线度测量装置及其方法
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