WO2019109527A1 - 测试仪 - Google Patents
测试仪 Download PDFInfo
- Publication number
- WO2019109527A1 WO2019109527A1 PCT/CN2018/076342 CN2018076342W WO2019109527A1 WO 2019109527 A1 WO2019109527 A1 WO 2019109527A1 CN 2018076342 W CN2018076342 W CN 2018076342W WO 2019109527 A1 WO2019109527 A1 WO 2019109527A1
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- WIPO (PCT)
- Prior art keywords
- tester
- stage
- test
- weight
- hardness
- Prior art date
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/40—Investigating hardness or rebound hardness
- G01N3/42—Investigating hardness or rebound hardness by performing impressions under a steady load by indentors, e.g. sphere, pyramid
- G01N3/46—Investigating hardness or rebound hardness by performing impressions under a steady load by indentors, e.g. sphere, pyramid the indentors performing a scratching movement
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
- G01N3/14—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces generated by dead weight, e.g. pendulum; generated by springs tension
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/003—Generation of the force
- G01N2203/0032—Generation of the force using mechanical means
- G01N2203/0033—Weight
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0058—Kind of property studied
- G01N2203/0076—Hardness, compressibility or resistance to crushing
- G01N2203/0078—Hardness, compressibility or resistance to crushing using indentation
- G01N2203/008—Residual indentation measurement
Definitions
- the invention relates to the field of display screen manufacturing, in particular to a pressure and hardness tester for a flat material.
- the pencil hardness is a commonly used indicator for detecting the performance of the display.
- the test pencil is in contact with the material to be tested or the material for preparing the display to detect the hardness of the display or the material. It can be understood that the material for preparing the display screen is a flat material.
- the object of the present invention is to provide a tester capable of simultaneously measuring the pressure and hardness parameters of a planar material, and specifically includes the following technical solutions:
- a tester for performance testing of a flat test piece comprising a base, a stage, a test stand and a tester; the test stand and the stage being disposed on the base, a tester is disposed on the test frame, and the test piece is flatly fixed on the stage;
- the test stand includes a vertical frame and a cross frame hinged by a rotating shaft, and the vertical frame is fixedly connected with the base
- the first end of the cross frame is provided with a balance weight
- the second end of the cross frame is provided with a connecting seat
- the connecting seat is further provided with a weight weight
- the connecting seat is used for connecting the tester
- the tester is of a plurality of types, A pressure assembly and a hardness assembly are included, and the connection block connects the pressure assembly or the hardness assembly for testing the pressure bearing property or hardness of the test piece.
- the pressure assembly comprises a sleeve rod and a pressure measuring head
- the connection seat is provided with a pressure measuring hole matched with the sleeve rod
- the pressure measuring head is located between the sleeve rod and the tested component And being fixed on the sleeve for contacting the tested component.
- the pressure measuring hole is a through hole, and the sleeve rod passes through the pressure measuring hole, and the weight weight is disposed on the connecting seat through the sleeve.
- the sleeve rod is provided with a thread, and the weight of the weight is pressed by a nut matched with the sleeve rod.
- the hardness component is a test pencil
- the connecting seat is provided with a hardness hole matched with the test pencil
- the test head of the test pencil is located between the connecting seat and the tested component for The test piece is in contact.
- the side wall of the hardness hole is provided with a threaded through hole, and the screw through hole is inserted into the threaded hole to adjust the clamping or loosening of the test pencil.
- the stage is connected to the base by a slide rail, and the slide rail is parallel to the horizontal frame for adjusting a contact position of the stage relative to the tester along the longitudinal direction of the cross frame.
- the stage is provided with an adjustment knob, and the adjustment knob is connected to the rotation displacement device, and the rotation displacement device is rotated to adjust the displacement of the stage along the slide rail relative to the tester.
- the cross frame further has a limiting device on the first end, the limiting device includes a ejector pin and a fixing portion, the fixing portion is fixedly connected with the vertical frame, and the ejector pin provides an offset
- the gripping surface is for resisting the first end, and the jack is slid relative to the fixing portion to control the rotation of the cross frame.
- the horizontal frame is provided with a level for leveling of the horizontal frame.
- the stage and the stand are fixed by the base, and the cross frame is rotatably coupled to the stand by a rotating shaft.
- the horizontal plus balance weight is set for leveling, and the weight weight is also provided for providing the weight required for testing.
- the connecting seat can drive the connected tester to contact the tested component under the support of the cross frame, and when the tester is a pressure measuring component, the tester can measure the The pressure bearing performance of the test piece, when the tester is a hardness component, the tester can measure the hardness of the tested component, and respectively test the two properties of the planar material on the same instrument, and expand the tester The scope of application saves costs while ensuring reliable testing.
- Figure 1 is a schematic view of an embodiment of the tester of the present invention
- Figure 2 is a partial schematic view of an embodiment of the tester of the present invention.
- Figure 3 is a schematic view showing another embodiment of the tester of the present invention.
- FIG. 4 is a partial schematic view of another embodiment of the tester of the present invention.
- the tester 100 of FIG. 1 which includes a base 10 , a stage 20 , a test stand 30 and a tester 40 .
- the test stand 30 includes a stand 301 and a cross frame 302 , and the stand 301 and the stage 20 . They are all disposed on the base 10, and the stand 301 is preferably perpendicular to the base 10.
- the stage 20 is preferably parallel to the top surface of the base 10.
- the vertical frame 301 is hinged to the horizontal frame 302 by a rotating shaft 303.
- the horizontal frame 302 is at a first end 011 away from the end of the loading table 20 and the second end is a second end with respect to the rotating shaft 303. End 012.
- the first end 011 is provided with an adjustable balance weight 31.
- the balance weight 31 can be moved along the length direction of the cross frame 302 relative to the rotation axis 303 to change the cross frame 302.
- the center of gravity thereby adjusts the initial horizontal state of the cross frame 302 to initiate subsequent detection actions.
- the second end 02 is provided with a connecting seat 32 for connecting the tester 40, and the connecting base 32 is further provided with a weight weight 33.
- the tester 40 can be various, including a pressure component 41 and a hardness component 42, and the pressure component 41 and the hardness component 42 can be separately connected to the connecting base 32, it being understood that when the connecting block 32 is connected to the pressure component 41, the tester 100 is used to test the pressure bearing performance of the tested component 200; when the connecting block 32 is connected to the hardness component 42, the tester 100 is used to test the The hardness of the member to be tested 200.
- the test piece 200 is a flat material, which is laid on the stage 20, and the cross frame 302 is rotatable around the rotating shaft 303 by being hinged with the vertical frame 301, and the cross frame is disposed.
- the tester 40 driven by the connecting seat 32 is moved toward the stage 20, and the positions where the two are in contact with each other are The test piece 200 is on.
- the tester 100 of the present invention is used, the tester 40 corresponding to the test item needs to be fixed on the connecting base 32, and then the cross frame 302 is horizontally adjusted by adjusting the balance weight 31. Finally, the weight weight 33 is placed, and the second end 012 of the cross frame 302 is controlled to rotate to the stage 20 to bring the tester 40 into contact with the tested component 200.
- the relative movement and contact of the tester 40 with respect to the tested member 200 is achieved by the cooperation between the stage 20, the test frame 30 and the tester 40.
- the counterweight weight 33 provides the weight required by the tester 40 during testing, and the inspector can equip the corresponding tester 40 with an indicator that requires testing. Simultaneous testing of two performance indicators of the planar material on the same test device expands the compatibility of the tester 100 and saves costs.
- the tester can also use the tester 100 of the present invention to form the detector 40 according to the detection requirement of the flat material, and use some conventional components to form the detector 40, or some conventional test methods, to realize the plane 100 of the tester 100.
- the detection function of other conventional indicators of the type material is not particularly limited in the present invention.
- the detector 40 is the pressure component 41, including a sleeve rod 411 and a pressure measuring head 412, wherein the sleeve rod 411 cooperates with the pressure measuring hole 321 provided on the connecting base 32 to fix On the connecting base 32.
- the fit may be a threaded fit or an interference fit, or may be a snap fit with spring expansion and contraction, which is not particularly limited as long as the sleeve rod 411 does not move axially relative to the joint 32.
- the sleeve rod 411 and the connecting seat 32 are not axially rotated and are completely fixed to the connecting seat 32.
- the pressure measuring head 412 it is disposed between the sleeve rod 411 and the tested component 200, and is fixed on the sleeve rod 411, and the transverse frame 302 is opposite to the tested component. After the rotation of 200, the pressure measuring head 412 comes into contact with the tested component 200, at which time the weight of the weight weight 33 is all loaded onto the tested component 200, and the transverse frame 302 and the The weight of the connecting seat 32 is offset by the balance weight 31, that is, the tested component 200 receives the entire weight of the weight weight 33, and the pressure measuring head 412 is in contact with the tested component 200. After a certain period of time, the inspector can determine the pressure resistance of the test piece 200 by checking whether the test piece 200 is recessed.
- the pressure measuring hole 321 is a through hole, and the sleeve rod 411 passes through the pressure measuring hole 321 , that is, the sleeve rod 411 passes through the connecting base 32.
- the check head 412 is opposite to the opposite side of the connecting seat 32, and the sleeve rod 411 passes through the weight weight 33 to connect the weight weight 33 to the connecting seat 32.
- the weight 331 is provided with a through hole 331 to pass through the sleeve 411.
- the weight weight 33 passes through the sleeve 411 and is connected to the connector 32 to ensure that the weight weight 33 and the load cell 41 are opposite to the connection axis. 33. Under the same arm distance, the weight of the weight weight 33 loaded on the load cell 41 can be converted into a gravity value by a simple 1:1, and the test data of the tester 100 of the present invention. The handling provides convenience and reduces the numerical error caused by the conversion.
- the sleeve rod 411 is provided with a thread on one end facing the weight weight 33, and the tester can screw the sleeve rod 411 into the sleeve rod 411 to press the weight weight 33 to prevent
- the weight weight 33 is swung back and forth along the sleeve 411 during rotation with the cross frame 302. It can be understood that the internal thread of the nut 413 and the thread of the sleeve 411 cooperate with each other.
- the hardness component 42 can be implemented directly using a universal test pencil 421.
- the test pencil 421 can be a combination of various hardness forms, such as a common 2B, HB hardness value, and the like.
- the connecting seat 32 is provided with a hardness hole 322 which is matched with the test pencil 421.
- the test pencil 421 is fixed to the connecting seat 32 through the hardness hole 322, and the test head of the test pencil 321 is located at the Between the connecting seat 32 and the test piece 200, after the cross frame 302 rotates around the rotating shaft 303, after the connecting seat 32 is moved to the stage 20, the test pencil 421 and the The test piece 200 is in contact, at which time the weight of the weight weight 33 is all loaded onto the test piece 200, and the weight of the cross frame 302 and the connecting seat 32 is balanced.
- the code 31 is offset, that is, the test piece 200 is subjected to the entire weight of the weight weight 33, and is transmitted to the test piece 200 by the test pencil 421 for hardness testing. It can be understood that the hardness hole 322 is a through hole.
- a threaded through hole 422 is defined in the sidewall of the hardness hole 421 , and the threaded through hole 422 is perpendicular to the hardness hole 421 and penetrates one side wall of the hardness hole 421 .
- the threaded through hole 422 is used for screwing into the screw 423. After the screw 423 protrudes into the threaded through hole 422, the pen body of the test pencil 421 can be resisted, thereby clamping the test pencil 421 or The function of removing or loading the test pencil 421 and adjusting the length of the test pencil 421 relative to the test piece 200 is achieved.
- a slide rail 11 is disposed between the stage 20 and the base 10, and the stage 20 is connected to the base 10 via the slide rail 11, and the slide rail 11 is preferably disposed to
- the cross frame 302 is parallel, specifically parallel to the longitudinal direction of the cross frame 302, and the stage 20 moves on the slide rail 11 along the slide rail 11, that is, on the stage 20
- the test piece 200 is moved relative to the cross frame 302, and the position of the tester 40 connected to the cross frame 302 in contact with the test piece 200 is changed to implement the tester 100 of the present invention.
- the function of detecting the plurality of parts of the test piece 200 in the same manner can avoid defects in which the index of the test piece is abruptly changed or the quality unevenness cannot be detected.
- the stage 20 slides relative to the base 10 through the slide rails 11, that is, the test piece 200 is slid relative to the test pencil 421 during the test, thereby facilitating the tester.
- the test piece 200 that has completed the test is observed to check whether the non-wipeable scratches are left on the test piece 200 to determine the hardness value of the test piece.
- the sliding distance of the test piece 200 is 10 mm, that is, it can provide sufficient observation length, and the damaged area of the test piece 200 is not damaged.
- an adjustment knob 21 is disposed on the stage 20, and the adjustment knob 21 is connected to a rotation displacement device (not shown).
- the rotational displacement device can achieve displacement of the stage 20 relative to the slide rail 11 by rotation.
- the adjustment knob 21 is coupled to a friction wheel that is driven to rub against the surface of the slide rail 11 or the base 10 to move the stage 20; for example, the The rotation displacement device is a transmission belt, a chain or the like connected to the stage 20, and the adjustment knob 21 is connected to a transmission wheel on the transmission belt, or a transmission wheel on the chain, etc., and is rotated by the adjustment knob 21.
- the displacement of the stage 20 along the slide rail 11 relative to the tester 40 can also be adjusted.
- the cross frame 302 further includes a limiting device 50 on the first end 011, the limiting device 50 includes a jack 51 and a fixing portion 52, and the fixing portion 52 and the stand 301 is fixedly connected, and the ejector pin 51 is provided with a resisting surface 511 for resisting the first end 011.
- the ram 15 is telescopically slidable relative to the fixing portion 52 for limiting
- the cross frame 302 drives the rotation of the tester 40 toward the stage 20. Since the tester 40 is mostly a hard material such as metal, the test is performed with the weight provided by the weight weight 33, and the test is performed when the tester 40 is in contact with the test piece 200. The device 40 has a large speed and impact force, thereby possibly causing damage to the test piece 200.
- the abutment surface 511 is provided to be rotationally slidable relative to the fixed portion 52, that is, the ram 51 that slides relative to the stand 301 to control the rotational speed of the transverse frame 302 during the rotational motion thereof.
- the limiting device 50 can only limit the rotation of the second end 012 of the cross frame 302 toward the single direction of the stage 20, and can also set two opposite abutting surfaces 511. The rotation of the cross frame 302 in both directions is simultaneously controlled. It can be understood that the limiting device 50 can be manually controlled or electrically controlled by a motor. It can be understood that when the weight of the weight weight 33 is too large, or the test item has special requirements for the initial speed of the tester 40, it is not suitable to manually control the limiting device 50, and the motor driving is more stable and reliable.
- the leveling 302 is the detection accuracy reference of the tester 100 of the present invention.
- the cross frame in order to monitor whether the leveling state of the crossbar 302 is up to standard by the balance weight 31, the cross frame is A level 60 is provided on the 302 for reacting the horizontal state of the cross frame 302 during the leveling of the cross frame 302.
- the leveling of the cross frame 302 can improve the test accuracy of the tester 100 of the present invention and avoid error interference.
- a control system and/or a display system is disposed on the base 10 to help the tester to control the tester 100 more intuitively and quickly, and to read the test result data.
- the tester 100 of the present invention achieves the same test device through the cooperation between the stage 20, the test stand 30 and the tester 40, in particular the setting of various test components of the tester 40.
- the purpose of testing at least two performance indexes of the planar material is to expand the compatibility of the tester 100 and save costs. Further, the implementation of the two testers 40 is optimized to make the test process more controllable, the test result is more accurate, and the accuracy and reliability of the tester 100 is improved.
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Abstract
一种平面型材料的压力和硬度测试仪,属于显示屏制造领域,包括底座(10)、载台(20)、测试架(30)和测试器(40),被测试件(200)平面张开固定于所述载台(20)上,所述测试架(30)包括由转动轴(303)转动连接的立架(301)和横架(302),所述立架(301)与所述载台(20)均与所述底座(10)固定连接,所述横架(302)一端设平衡砝码(31),另一端设配重砝码(33)和连接座(32),所述连接座(32)用于连接包含压力组件(41)或硬度组件(42)的所述测试器(40),并使所述测试器(40)正对所述载台(20),在所述横架(302)绕所述转动轴(303)旋转后,所述测试器(40)与所述被测试件(200)接触以测试所述被测试件(200)的承压性能或硬度。所述测试仪,在同一仪器上实现了平面型材料两种性能的测试,扩大了测试仪的适用范围,在保证测试可靠的前提下节约了成本。
Description
本发明涉及显示屏制造领域,尤其涉及一种平面型材料的压力和硬度测试仪。
在显示器制造过程中,铅笔硬度是检测显示屏性能的一项常用指标,测试铅笔通过与待测显示屏或制备显示屏的材料发生接触,以检测该显示屏或材料的硬度。可以理解的,制备显示屏的材料为平面型材料。
随着柔性OLED显示屏的不断涌现,行业内常用的铅笔硬度等指标已经不能完全满足柔性OLED显示屏的性能描述。为此,针对柔性屏或用于制备柔性屏的平面型材料的特点,行业内又在硬度等常用指标的基础上引入了承压指标、抗弯指标等一系列参数来检测柔性平面型材料的性能。对于这些新引入的性能指标的检测,通常需要添置针对性的相关检测设备来解决,一台测试只能检测一项相应的性能参数,容易造成检测设备的堆置和浪费。
发明内容
本发明的目的在于提供一种可兼测平面型材料的压力和硬度参数的测试仪,具体包括如下技术方案:
一种测试仪,用于平面型被测试件的性能测试,所述测试仪包括底座、载台、测试架和测试器;所述测试架和所述载台设置于所述底座上,所述测试器设置于所述测试架上,被测试件平面张开固定于所述载台上;所述测试架包括由转动轴铰接的立架和横架,所述立架与所述底座固定连接,所述横架的第一端设置平衡砝码,所述横架的第二端设置连接座,所述连接座上还设有配重砝码,所述连接座用于连接所述测试器,并使所述测试器正对所述载台,当所述横架绕所述转动轴旋转时,所述测试器与所述被测试件接触以进行测试;所述测试器为多种,包括压力组件和硬度组件,所述连接座连接所述压力组件或所 述硬度组件,用于测试所述被测试件的承压性能或硬度。
其中,所述压力组件包括套杆和测压头,所述连接座上设有与所述套杆配合的测压孔,所述测压头位于所述套杆与所述被测试件之间,固定于所述套杆上,用于与所述被测试件接触。
其中,所述测压孔为通孔,所述套杆穿过所述测压孔,所述配重砝码穿过所述套杆设置于所述连接座上。
其中,所述套杆上设有螺纹,使用与所述套杆配合的螺母压紧所述配重砝码。
其中,所述硬度组件为测试铅笔,所述连接座上设有与所述测试铅笔配合的硬度孔,所述测试铅笔的笔头位于所述连接座与所述被测试件之间,用于与所述被测试件接触。
其中,所述硬度孔的侧壁上设有螺纹通孔,使用螺钉伸入所述螺纹通孔以调节所述测试铅笔的夹紧或松开。
其中,所述载台与所述底座通过滑轨连接,所述滑轨与所述横架平行,用于调节所述载台相对于所述测试器沿所述横架长度方向的接触位置。
其中,所述载台上设有调节旋钮,所述调节旋钮连接旋转位移装置,所述旋转位移装置通过旋转以调节所述载台沿所述滑轨相对于所述测试器的位移。
其中,所述横架在所述第一端上还设有限位装置,所述限位装置包括顶杆和固定部,所述固定部与所述立架固定连接,所述顶杆提供一抵持面用于抵持所述第一端,所述顶杆相对所述固定部滑动,以控制所述横架的转动。
其中,所述横架上设有水平仪,用于所述横架的调平。
本发明测试仪,通过所述底座固定了所述载台和所述立架,并通过转动轴将所述横架转动连接于所述立架上。所述横加上设置了平衡砝码用于调平,还设置了配重砝码用于提供测试时所需要的重量。所述连接座可在所述横架的支撑下带动所连接的所述测试器与所述被测试件进行接触,当所述测试器为测压组件时,所述测试仪可测量所述被测试件的承压性能,当所述测试器为硬度组件时,所述测试仪可以测量所述被测试件的硬度,通过同一仪器上分别测试平面型材料的两种性能,扩大了测试仪的适用范围,在保证测试可靠的前提下节 约了成本。
图1是本发明测试仪一种实施例的示意图;
图2是本发明测试仪一种实施例的局部示意图;
图3是本发明测试仪另一种实施例的示意图;
图4是本发明测试仪另一种实施例的局部示意图。
下面将结合本发明实施例中的附图,对本发明实施例中的技术方案进行清楚、完整地描述,显然,所描述的实施例仅仅是本发明的一部分实施例,而不是全部的实施例。基于本发明中的实施例,本领域普通技术人员在没有做出创造性劳动的前提下所获得的所有其它实施例,都属于本发明保护的范围。
请参阅图1的测试仪100,包括底座10、载台20、测试架30和测试器40,所述测试架30包括立架301和横架302,所述立架301和所述载台20均设置于所述底座10上,所述立架301优选为垂直于所述底座10,所述载台20优选为平行于所述底座10的顶面。所述立架301通过转动轴303与所述横架302铰接,相对于所述转动轴303,所述横架302在远离所述载台20的一端为第一端011,另一端为第二端012。所述第一端011上设有可调节的平衡砝码31,所述平衡砝码31可以沿所述横架302的长度方向,相对于所述旋转轴303移动以改变所述横架302的重心,由此调节所述横架302的初始水平状态,以便开始后续的检测动作。所述第二端02上设有连接座32,所述连接座32用于连接所述测试器40,所述连接座32上还设有配重砝码33。
所述测试器40可以为多种,其中包括压力组件41和硬度组件42,所述压力组件41和所述硬度组件42均可单独连接于所述连接座32上,可以理解的,当所述连接座32连接所述压力组件41时,本测试仪100用于测试被测试件200的承压性能;当所述连接座32连接所述硬度组件42时,本测试仪100用于测试所述被测试件200的硬度。
所述被测试件200为平面型材料,平铺于所述载台20上,所述横架302通过与所述立架301的铰接,可以绕所述旋转轴303旋转,设置所述横架302的所述第二端012在向所述载台20旋转运动时,被所述连接座32带动的所述测试器40正对所述载台20运动,二者相互接触的位置在所述被测试件200上。在使用本发明测试仪100时,需要先在所述连接座32上固定好与测试项目对应的所述测试器40,然后通过调节所述平衡砝码31使所述横架302处于水平状态,最后放上所述配重砝码33,控制所述横架302的所述第二端012向所述载台20转动,使所述测试器40与所述被测试件200接触。
本发明测试仪100,通过所述载台20、所述测试架30和所述测试器40之间的配合,实现了所述测试器40相对于所述被测试件200的相对移动且接触。所述配重砝码33提供所述测试器40在测试时所需的重量,检测人员可通过需要测试的指标来装备相应的所述测试器40。在同一测试装置上同时测试平面型材料的两种性能指标,拓展了所述测试器100的兼容性,节约成本。
可以理解的,检测人员还可以根据平面型材料的检测需求,利用本发明测试仪100,运用一些常规的组件以形成所述检测器40,或一些常规的测试方法,实现本测试仪100对平面型材料另一些常规指标的检测功能,本发明不作特别限定。
一种实施例,所述检测器40为所述压力组件41,包括套杆411和测压头412,其中所述套杆411与所述连接座32上设置的测压孔321配合,以固定于所述连接座32上。该配合可以为螺纹配合,也可以为过盈配合,还可以是带有弹簧伸缩的卡持配合,本发明不作特别限定,只要所述套杆411相对于所述连接座32不发生轴向运动,都可以实现本发明的效果。优选的,所述套杆411与所述连接座32也不发生轴向转动,完全固定于所述连接座32上。对于所述测压头412,将其设置于位于所述套杆411与所述被测试件200之间,固定于所述套杆411上,在所述横架302相对于所述被测试件200转动后,所述测压头412与所述被测试件200发生接触,此时所述配重砝码33的重量全部加载到所述被测试件200上,而所述横架302与所述连接座32的重量则被所述平衡砝码31抵消,即所述被测试件200承受所述配重砝码33的全部重量,在所述测压头412于所述被测试件200接触一定时间后,检测人员通过检查所述被 测试件200是否出现凹陷,即可判断所述被测试件200的抗压能力。
一种实施例中,见图2,所述测压孔321为通孔,所述套杆411穿过所述测压孔321,即所述套杆411穿过所述连接座32,在所述测压头412相对于所述连接座32的反侧,所述套杆411穿过所述配重砝码33,将所述配重砝码33连接于所述连接座32上。可以理解的,所述配重砝码33内设通孔331以穿过所述套杆411。可以理解的,所述配重砝码33穿过所述套杆411,连接于所述连接头32上,可以保证所述配重砝码33与所述测压组件41相对于所述连接轴33,处于同一个力臂距离下,所述配重砝码33加载于所述测压组件41上的重量,可以通过简单的1∶1换算为重力值,对于本发明测试仪100的检测数据处理提供了方便,也减小了换算所带来的数值误差。
进一步的,所述套杆411在朝向所述配重砝码33的一端上设有螺纹,测试人员可以使用螺母413拧入所述套杆411,以压紧所述配重砝码33,防止所述配重砝码33在随所述横架302来回旋转的过程中沿所述套杆411来回窜动。可以理解的,所述螺母413的内螺纹与所述套杆411的螺纹相互配合。
当所述测试器40为所述硬度组件42时,见图3,所述硬度组件42可以直接采用通用的测试铅笔421来实施。测试铅笔421可以为多种硬度形成的组合,例如常见的2B、HB硬度值等。所述连接座32上设有与所述测试铅笔421配合的硬度孔322,所述测试铅笔421穿过所述硬度孔322固定于所述连接座32上,所述测试铅笔321的笔头位于所述连接座32与所述被测试件200之间,在所述横架302绕所述转动轴303旋转,带动所述连接座32向所述载台20运动后,所述测试铅笔421与所述被测试件200发生接触,此时所述配重砝码33的重量全部加载到所述被测试件200上,而所述横架302与所述连接座32的重量则被所述平衡砝码31抵消,即所述被测试件200承受所述配重砝码33的全部重量,通过所述测试铅笔421传递给所述被测试件200以进行硬度测试。可以理解的,所述硬度孔322是通孔。
进一步的,见图4,所述硬度孔421的侧壁上开设螺纹通孔422,所述螺纹通孔422垂直于所述硬度孔421,贯穿所述硬度孔421的一侧侧壁。所述螺纹通孔422用于拧入螺钉423,所述螺钉423伸入所述螺纹通孔422后,可以抵持所述测试铅笔421的笔身,从而实现所述测试铅笔421的夹紧或松开,实 现取出或装入所述测试铅笔421,以及调整所述测试铅笔421相对于所述被测试件200的长短等功能。
一种实施例,所述载台20与所述底座10之间设置滑轨11,所述载台20通过所述滑轨11连接于所述底座10上,所述滑轨11优选设置为与所述横架302平行,具体的,与所述横架302的长度方向平行,所述载台20在所述滑轨11上,沿所述滑轨11移动,即设置于所述载台20上的所述被测试件200相对于所述横架302移动,与所述横架302连接的所述测试器40与所述被测试件200接触的位置发生变化,实现本发明测试仪100对同一所述被测试件200多个部位均进行检测的功能,可以避免所述被测试件某一处指标突变或质量不均无法被检测出的缺陷。另一方面,所述载台20通过所述滑轨11相对于所述底座10进行滑动,即在测试过程中带动所述被测试件200相对于所述测试铅笔421进行滑动,从而方便测试人员对完成测试的所述被测试件200进行观测,查看所述被测试件200上是否遗留不可擦拭的划痕来判定被测试件的硬度值。优选的,所述被测试件200的滑动距离取10mm,即能提供足够的观测长度,也不至于对所述被测试件200损伤过大面积。
对于所述载台20相对于所述滑轨11的移动,一些实施例中,在所述载台20上设调节旋钮21,所述调节旋钮21连接旋转位移装置(图中未示),所述旋转位移装置可以通过旋转实现所述载台20相对于所述滑轨11的位移。能够实现这一功能的机构很多,包括在所述滑轨11上设齿条,所述调节旋钮21上设与所述齿条配合的齿轮,通过转动所述调节旋钮21以实现所述载台20的位移;又例如,所述调节旋钮21连接一个摩擦轮,该摩擦轮通过与所述滑轨11或所述底座10的表面滚动摩擦以带动所述载台20移动;再例如,所述旋转位移装置为连接于所述载台20上的传动带、链条等,所述调节旋钮21连接所述传动带上的传动轮,或所述链条上的传动轮等,通过所述调节旋钮21的转动,同样可以调节所述载台20沿所述滑轨11相对于所述测试器40的位移。
一种实施例,所述横架302在所述第一端011上还设有限位装置50,所述限位装置50包括顶杆51和固定部52,所述固定部52与所述立架301固定连接,所述顶杆51提供一抵持面511,所抵持面511用于抵持所述第一端011,所述顶杆51相对于所述固定部52伸缩滑动,用于限制所述横架302带动所述 测试器40朝向所述载台20的转动。由于所述测试器40多为金属等硬质材料,在进行测试时辅以所述配重砝码33提供的重量,在所述测试器40与所述被测试件200接触时,所述测试器40带有较大的速度和冲击力,由此可能对所述被测试件200造成损伤。进一步的,有些测试项目并不需要所述测试器40具备初速。因此,设置相对所述固定部52伸缩滑动,即相对于所述立架301滑动的所述顶杆51,提供所述抵持面511以在所述横架302的旋转运动中控制其旋转速度。
可以理解的,所述限位装置50可以只限制所述横架302的所述第二端012朝向所述载台20单个方向的旋转动作,也可以设置两个相对的所述抵持面511以同时控制所述横架302向两个方向的旋转动作。可以理解的,所述限位装置50可以为手动控制,也可以为电机电动控制。可以理解的,在所述配重砝码33重量过大,或者测试项目对所述测试器40的初速有特殊要求时,不宜使用手动控制所述限位装置50,电机驱动更加稳定可靠。
调平的所述横架302是本发明测试仪100的检测精度基准,一种实施例,为了监测所述平衡砝码31对所述横架302的调平状态是否达标,在所述横架302上设有水平仪60,所述水平仪60用于在所述横架302的调平过程中反应所述横架302的水平状态。调平的所述横架302可以提高本发明测试仪100的测试精度,避免误差干扰。
可以理解的,在本发明测试仪100的基础上,还可以设置一些传感器,用于感应所述被测试件200的反馈值。进一步的,在所述底座10上设置控制***和/或显示***,有助于检测人员更直观、迅速的控制所述测试仪100,读取测试结果数据。这些常规设置本发明中不作特别限定。
本发明测试仪100,通过所述载台20、所述测试架30和所述测试器40之间的配合,特别是所述测试器40的多种测试组件的设置,达到了在同一测试装置上至少实现平面型材料的两种性能指标测试的目的,拓展了所述测试器100的兼容性,节约了成本。进一步的,对两种所述测试器40的实施方式进行了优化设计,使得测试过程更可控,测试结果更精确,提高了所述测试仪100的精度和可靠性。
以上所述的实施方式,并不构成对该技术方案保护范围的限定。任何在上述实施方式的精神和原则之内所作的修改、等同替换和改进等,均应包含在该技术方案的保护范围之内。
Claims (10)
- 一种测试仪,用于平面型被测试件的性能测试,其中,所述测试仪包括底座、载台、测试架和测试器;所述测试架和所述载台设置于所述底座上,所述测试器设置于所述测试架上,被测试件平面张开固定于所述载台上;所述测试架包括由转动轴铰接的立架和横架,所述立架与所述底座固定连接,所述横架的第一端设置平衡砝码,所述横架的第二端设置连接座,所述连接座上还设有配重砝码,所述连接座用于连接所述测试器,并使所述测试器正对所述载台,当所述横架绕所述转动轴旋转时,所述测试器与所述被测试件接触以进行测试;所述测试器为多种,包括压力组件和硬度组件,所述连接座连接所述压力组件或所述硬度组件,用于测试所述被测试件的承压性能或硬度。
- 如权利要求1所述测试仪,其中,所述压力组件包括套杆和测压头,所述连接座上设有与所述套杆配合的测压孔,所述测压头位于所述套杆与所述被测试件之间,固定于所述套杆上,用于与所述被测试件接触。
- 如权利要求2所述测试仪,其中,所述测压孔为通孔,所述套杆穿过所述测压孔,所述配重砝码穿过所述套杆设置于所述连接座上。
- 如权利要求3所述测试仪,其中,所述套杆上设有螺纹,使用与所述套杆配合的螺母压紧所述配重砝码。
- 如权利要求1所述测试仪,其中,所述硬度组件为测试铅笔,所述连接座上设有与所述测试铅笔配合的硬度孔,所述测试铅笔的笔头位于所述连接座与所述被测试件之间,用于与所述被测试件接触。
- 如权利要求5所述测试仪,其中,所述硬度孔的侧壁上设有螺纹通孔,使用螺钉伸入所述螺纹通孔以调节所述测试铅笔的夹紧或松开。
- 如权利要求5所述测试仪,其中,所述载台与所述底座通过滑轨连接,所述滑轨与所述横架平行,用于调节所述载台相对于所述测试器沿所述横架长度方向的接触位置。
- 如权利要求7所述测试仪,其中,所述载台上设有调节旋钮,所述调 节旋钮连接旋转位移装置,所述旋转位移装置通过旋转以调节所述载台沿所述滑轨相对于所述测试器的位移。
- 如权利要求1所述测试仪,其中,所述横架在所述第一端上还设有限位装置,所述限位装置包括顶杆和固定部,所述固定部与所述立架固定连接,所述顶杆提供一抵持面用于抵持所述第一端,所述顶杆相对所述固定部滑动,以控制所述横架的转动。
- 如权利要求9所述测试仪,其中,所述横架上设有水平仪,用于所述横架的调平。
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CN2589966Y (zh) * | 2002-12-28 | 2003-12-03 | 达式宇 | 多功能便携式建筑材料测试仪 |
CN101089590A (zh) * | 2006-06-16 | 2007-12-19 | 罗门哈斯公司 | 在表面上产生应力 |
CN104729937A (zh) * | 2014-07-23 | 2015-06-24 | 施周平 | 一种铅笔硬度电动试验机 |
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CN112798449B (zh) * | 2021-03-09 | 2024-05-24 | 新疆八一钢铁股份有限公司 | 一种金属材料检测用硬度测试装置 |
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