CN102297649B - Apparatus for measuring diameter of instrument indicator of automobile - Google Patents

Apparatus for measuring diameter of instrument indicator of automobile Download PDF

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CN102297649B
CN102297649B CN 201110202729 CN201110202729A CN102297649B CN 102297649 B CN102297649 B CN 102297649B CN 201110202729 CN201110202729 CN 201110202729 CN 201110202729 A CN201110202729 A CN 201110202729A CN 102297649 B CN102297649 B CN 102297649B
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sliding rod
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孙仲辉
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Ningbo Jinhui Optical Technology Co ltd
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NINGBO JINHUI POINTER CO Ltd
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Abstract

一种汽车仪表指针直径测量仪，包括金属底座，金属底座上设有上凸的穿架；还包括位于穿架上方的左测量夹头、右测量夹头，左测量夹头的下方有左轴向滑动杆，右测量夹头的下方有右轴向滑动杆，左轴向滑动杆与左测量夹头连接，右轴向滑动杆与右测量夹头连接，左轴向滑动杆与右轴向滑动杆均穿设在穿架上；左轴向滑动杆上设有左弹性件，右轴向滑动杆上设有右弹性件；左测量夹头或右测量夹头上设有电感式位移传感器，电感式位移传感器与金属底座对应；还包括控制装置。本发明可自动实现仪表指针柱体的直径的测量，大大调高了测量效率，也提高了测量精度。

Figure 201110202729

An automobile instrument pointer diameter measuring instrument, comprising a metal base, on which a protruding penetrating frame is arranged; a left measuring clamp and a right measuring clamp located above the penetrating frame, and a left shaft is located below the left measuring clamp There is a right axial sliding rod under the right measuring chuck, the left axial sliding rod is connected with the left measuring chuck, the right axial sliding rod is connected with the right measuring chuck, the left axial sliding rod is connected with the right axial The sliding rods are all mounted on the frame; the left axial sliding rod is provided with a left elastic member, and the right axial sliding rod is provided with a right elastic member; the left measuring chuck or the right measuring chuck is equipped with an inductive displacement sensor , the inductive displacement sensor corresponds to the metal base; also includes the control device. The invention can automatically realize the measurement of the diameter of the instrument pointer cylinder, greatly improves the measurement efficiency and improves the measurement accuracy.

Figure 201110202729

Description

一种汽车仪表指针直径测量仪An instrument for measuring the pointer diameter of an automobile instrument

(一)技术领域 (1) Technical field

本发明涉及一种直径测量仪。The invention relates to a diameter measuring instrument.

(二)背景技术 (2) Background technology

在进行汽车仪表指针的生产时，需要对仪表指针的柱体进行直径测量以确保质量。在现有技术中的，对仪表指针的柱体的直径测量主要采用卡尺或投影仪来进行，测量麻烦且精确度有待提高。When producing automobile instrument pointers, it is necessary to measure the diameter of the cylinder of the instrument pointer to ensure the quality. In the prior art, calipers or projectors are mainly used to measure the diameter of the cylinder of the instrument pointer, and the measurement is cumbersome and the accuracy needs to be improved.

(三)发明内容 (3) Contents of the invention

为了克服现有技术中使用卡尺或投影仪来测量仪表指针柱体的直径所带来的不足，本发明提供一种可自动进行直径测量的直径测量仪。In order to overcome the shortcomings caused by using a caliper or a projector to measure the diameter of the instrument pointer cylinder in the prior art, the present invention provides a diameter measuring instrument that can automatically measure the diameter.

本发明解决其技术问题的技术方案是：一种汽车仪表指针直径测量仪，包括金属底座，所述的金属底座上设有上凸的穿架；The technical solution of the present invention to solve the technical problem is: an automobile instrument pointer diameter measuring instrument, which includes a metal base, and the metal base is provided with an upwardly convex penetrating frame;

还包括位于所述穿架上方的左测量夹头、右测量夹头，所述的左测量夹头和右测量夹头之间形成工件夹持空间，所述左测量夹头的下方有左轴向滑动杆，所述右测量夹头的下方有右轴向滑动杆，所述的左轴向滑动杆与所述的左测量夹头连接，所述的右轴向滑动杆与所述的右测量夹头连接，所述的左轴向滑动杆与所述的右轴向滑动杆均穿设在所述的穿架上；It also includes a left measuring chuck and a right measuring chuck located above the passing frame, a workpiece clamping space is formed between the left measuring chuck and the right measuring chuck, and there is a left shaft below the left measuring chuck There is a right axial sliding rod under the right measuring chuck, the left axial sliding rod is connected with the left measuring chuck, and the right axial sliding rod is connected with the right The measuring chuck is connected, and the left axial sliding rod and the right axial sliding rod are both mounted on the penetrating frame;

所述的左轴向滑动杆上设有左弹性件，所述的右轴向滑动杆上设有右弹性件，所述的左弹性件和右弹性件使所述的左轴向滑动杆和右轴向滑动杆具有相互靠近的趋势；The left axial sliding rod is provided with a left elastic member, and the right axial sliding rod is provided with a right elastic member, and the left elastic member and the right elastic member make the left axial sliding rod and the Right axial slide bars have a tendency to approach each other;

所述的左测量夹头、左弹性件、左轴向滑动杆构成左测量机构，所述的右测量夹头、右弹性件、右轴向滑动杆构成右测量机构，所述的左测量机构和右测量机构关于工件夹持空间的中心线对称；The left measuring chuck, the left elastic member and the left axial sliding rod constitute the left measuring mechanism, the described right measuring chuck, the right elastic member and the right axial sliding rod constitute the right measuring mechanism, and the described left measuring mechanism It is symmetrical with the right measuring mechanism about the center line of the workpiece clamping space;

所述的左测量夹头或右测量夹头上设有电感式位移传感器，所述的电感式位移传感器与所述的金属底座对应；An inductive displacement sensor is provided on the left or right measuring chuck, and the inductive displacement sensor corresponds to the metal base;

还包括控制装置，所述的控制装置包括与所述的电感式位移传感器的输出端连接的模数转换单元、用于进行直径计算的预存有未插入工件时的原始基数值的计算单元、用于驱动显示屏的驱动电路、用于进行直径数据显示的显示屏，所述的模数转换单元、计算单元、驱动电路及显示屏依次连接。It also includes a control device, which includes an analog-to-digital conversion unit connected to the output end of the inductive displacement sensor, a calculation unit that pre-stores the original base value when the workpiece is not inserted, and is used for diameter calculation. For the driving circuit for driving the display screen and the display screen for displaying diameter data, the analog-to-digital conversion unit, the calculation unit, the driving circuit and the display screen are sequentially connected.

进一步，所述的左弹性件为左弹簧，所述的左轴向滑动杆上设有左凸环，所述的左凸环位于所述穿架的内侧，所述的左弹簧套在所述的左轴向滑动杆上，该左弹簧的一端顶紧在所述的左凸环上，该左弹簧的另一端顶紧在所述的穿架上；Further, the left elastic member is a left spring, the left axial sliding rod is provided with a left protruding ring, the left protruding ring is located on the inner side of the frame, and the left spring is sleeved on the On the left axial sliding rod, one end of the left spring is tightened on the left convex ring, and the other end of the left spring is tightened on the wear frame;

所述的右弹性件为右弹簧，所述的右轴向滑动杆上设有右凸环，所述的右凸环位于所述穿架的内侧，所述的右弹簧套在所述的右轴向滑动杆上，该右弹簧的一端顶紧在所述的右凸环上，该右弹簧的另一端顶紧在所述的穿架上；The right elastic part is a right spring, and the right axial sliding rod is provided with a right protruding ring, and the right protruding ring is located on the inner side of the frame, and the right spring is sleeved on the right On the axial sliding rod, one end of the right spring is pressed against the said right convex ring, and the other end of the right spring is pressed against the said wear frame;

所述的左凸环和所述的右凸环关于关于工件夹持空间的中心线对称。The left protruding ring and the right protruding ring are symmetrical about the center line of the workpiece clamping space.

进一步，所述的显示屏为LED显示屏。或者所述的显示屏也可为LCD显示屏。Further, the display screen is an LED display screen. Or the display screen can also be an LCD display screen.

本发明在使用前，由于左弹性件和右弹性件的弹性作用力，左测量夹头和右测量夹头靠得最近，此时将显示屏上的数值为计算单元内预存的原始基数值。然后将仪表指针的柱体插入到左测量夹头和右测量夹头之间，左测量夹头和右测量夹头之间的距离发生改变，电感式位移传感器和金属底座之间的距离发生改变，从而电感式位移传感器测量到位移变化，位移变化量信号被传输至模数转换单元进行模数转换从而转化成数字信号，之后由计算单元进行直径计算：原始基数值加上电感式位移传感器测量到的位移变化值的两倍即是当前工件的柱体的直径。然后通过驱动电路驱动显示屏显示当前工件的柱体的直径值。Before the present invention is used, due to the elastic force of the left elastic member and the right elastic member, the left measuring chuck and the right measuring chuck are closest to each other, and at this moment, the value on the display screen is the original base value prestored in the calculation unit. Then insert the cylinder of the meter pointer between the left measuring chuck and the right measuring chuck, the distance between the left measuring chuck and the right measuring chuck changes, and the distance between the inductive displacement sensor and the metal base changes , so that the inductive displacement sensor measures the displacement change, and the displacement change signal is transmitted to the analog-to-digital conversion unit for analog-to-digital conversion to convert it into a digital signal, and then the calculation unit performs diameter calculation: the original base value plus the inductive displacement sensor measurement Twice the value of the displacement change is the diameter of the cylinder of the current workpiece. Then the display screen is driven by the driving circuit to display the diameter value of the cylinder of the current workpiece.

本发明的有益效果在于：可自动实现仪表指针柱体的直径的测量，大大调高了测量效率，也提高了测量精度。The beneficial effect of the invention is that the diameter measurement of the instrument pointer cylinder can be automatically realized, the measurement efficiency is greatly increased, and the measurement accuracy is also improved.

(四)附图说明 (4) Description of drawings

图1是本发明的结构示意图。Fig. 1 is a structural schematic diagram of the present invention.

图2是本发明的左测量机构和右测量机构的结构示意图。Fig. 2 is a structural schematic view of the left measuring mechanism and the right measuring mechanism of the present invention.

图3是本发明的电控原理图。Fig. 3 is a schematic diagram of the electric control of the present invention.

(五)具体实施方式 (5) Specific implementation methods

下面结合附图和具体实施方式对本发明作进一步详细说明。The present invention will be described in further detail below in conjunction with the accompanying drawings and specific embodiments.

参照图1、图2、图3，一种汽车仪表指针直径测量仪，包括金属底座1，所述的金属底座1上设有上凸的穿架2。Referring to Fig. 1 , Fig. 2 and Fig. 3 , a pointer diameter measuring instrument for automobiles includes a metal base 1 on which a protruding penetrating frame 2 is provided.

还包括位于所述穿架2上方的左测量夹头3、右测量夹头4，所述的左测量夹头3和右测量夹头4之间形成工件夹持空间，所述左测量夹头3的下方有左轴向滑动杆5，所述右测量夹头4的下方有右轴向滑动杆6，所述的左轴向滑动杆5与所述的左测量夹头3连接，所述的右轴向滑动杆6与所述的右测量夹头4连接，所述的左轴向滑动杆5与所述的右轴向滑动杆6均穿设在所述的穿架2上。It also includes a left measuring chuck 3 and a right measuring chuck 4 positioned above the penetrating frame 2, a workpiece clamping space is formed between the left measuring chuck 3 and the right measuring chuck 4, and the left measuring chuck There is a left axial sliding rod 5 under the 3, and a right axial sliding rod 6 is arranged under the right measuring chuck 4, and the left axial sliding rod 5 is connected with the left measuring chuck 3, and the The right axial sliding rod 6 is connected to the right measuring chuck 4 , and the left axial sliding rod 5 and the right axial sliding rod 6 are both passed through the penetrating frame 2 .

所述的左轴向滑动杆5上设有左弹性件，所述的右轴向滑动杆6上设有右弹性件，所述的左弹性件和右弹性件使所述的左轴向滑动杆5和右轴向滑动杆6具有相互靠近的趋势。The left axial sliding rod 5 is provided with a left elastic member, and the right axial sliding rod 6 is provided with a right elastic member, and the left elastic member and the right elastic member make the left axial slide The rod 5 and the right axial sliding rod 6 have a tendency to approach each other.

所述的左测量夹头3、左弹性件、左轴向滑动杆5构成左测量机构，所述的右测量夹头4、右弹性件、右轴向滑动杆6构成右测量机构，所述的左测量机构和右测量机构关于工件夹持空间的中心线对称。The left measuring chuck 3, the left elastic member, and the left axial sliding rod 5 constitute the left measuring mechanism, and the described right measuring chuck 4, the right elastic member, and the right axial sliding rod 6 constitute the right measuring mechanism, and the described The left measuring mechanism and the right measuring mechanism are symmetrical about the center line of the workpiece clamping space.

本实施例中，所述的左弹性件为左弹簧7，所述的左轴向滑动杆3上设有左凸环8，所述的左凸环8位于所述穿架2的内侧，所述的左弹簧7套在所述的左轴向滑动杆3上，该左弹簧7的一端顶紧在所述的左凸环8上，该左弹簧7的另一端顶紧在所述的穿架2上；所述的右弹性件为右弹簧9，所述的右轴向滑动杆6上设有右凸环10，所述的右凸环10位于所述穿架2的内侧，所述的右弹簧9套在所述的右轴向滑动杆4上，该右弹簧9的一端顶紧在所述的右凸环10上，该右弹簧9的另一端顶紧在所述的穿架2上；所述的左凸环8和所述的右凸环10关于关于工件夹持空间的中心线对称。In this embodiment, the left elastic member is the left spring 7, the left axial sliding rod 3 is provided with a left protruding ring 8, and the left protruding ring 8 is located on the inner side of the frame 2, so The left spring 7 is sleeved on the left axial sliding rod 3, one end of the left spring 7 is pressed against the left protruding ring 8, and the other end of the left spring 7 is pressed against the wearing ring 8. on the frame 2; the right elastic member is the right spring 9, the right axial sliding rod 6 is provided with a right protruding ring 10, and the right protruding ring 10 is located inside the frame 2, the The right spring 9 of the right spring is sleeved on the said right axial sliding rod 4, and one end of the right spring 9 is pressed against the said right protruding ring 10, and the other end of the right spring 9 is pressed against the said wear frame 2; the left protruding ring 8 and the right protruding ring 10 are symmetrical about the center line of the workpiece clamping space.

所述的左测量夹头3或右测量夹头4上设有电感式位移传感器11，所述的电感式位移传感器11与所述的金属底座对应。The left measuring clamp 3 or the right measuring clamp 4 is provided with an inductive displacement sensor 11, and the inductive displacement sensor 11 corresponds to the metal base.

还包括控制装置，所述的控制装置包括与所述的电感式位移传感器11的输出端连接的模数转换单元12、用于进行直径计算的预存有未插入工件时的原始基数值的计算单元13、用于驱动显示屏的驱动电路14、用于进行直径数据显示的显示屏15，所述的模数转换单元12、计算单元13、驱动电路14及显示屏15依次连接。显示屏可为LED显示屏，也可为LCD显示屏等。It also includes a control device, which includes an analog-to-digital conversion unit 12 connected to the output end of the inductive displacement sensor 11, and a calculation unit that is used to calculate the diameter and pre-store the original base value when the workpiece is not inserted. 13. The driving circuit 14 for driving the display screen, the display screen 15 for displaying diameter data, the analog-to-digital conversion unit 12, the calculation unit 13, the driving circuit 14 and the display screen 15 are connected in sequence. The display screen can be an LED display screen or an LCD display screen.

在使用前，由于左弹簧7和右弹簧9的弹性作用力，左测量夹头3和右测量夹头4靠得最近，此时将显示屏15上的数值为计算单元13内预存的原始基数值。然后将仪表指针的柱体16插入到左测量夹头3和右测量夹头4之间，左测量夹头3和右测量夹头4之间的距离发生改变，电感式位移传感器11和金属底座之间的距离发生改变，从而电感式位移传感器11测量到位移变化，位移变化量信号被传输至模数转换单元12进行模数转换从而转化成数字信号，之后由计算单元13进行直径计算：原始基数值加上电感式位移传感器11测量到的位移变化值的两倍即是当前工件的柱体的直径。然后通过驱动电路14驱动显示屏15显示当前工件的柱体的直径值。Before use, due to the elastic force of the left spring 7 and the right spring 9, the left measuring chuck 3 and the right measuring chuck 4 are closest to each other. value. Then the cylinder 16 of the instrument pointer is inserted between the left measuring clamp 3 and the right measuring clamp 4, the distance between the left measuring clamp 3 and the right measuring clamp 4 changes, the inductive displacement sensor 11 and the metal base The distance between them changes, so that the inductive displacement sensor 11 measures the displacement change, and the displacement change signal is transmitted to the analog-to-digital conversion unit 12 for analog-to-digital conversion to convert it into a digital signal, and then the calculation unit 13 calculates the diameter: the original The base value plus twice the displacement change value measured by the inductive displacement sensor 11 is the diameter of the cylinder of the current workpiece. Then the display screen 15 is driven by the drive circuit 14 to display the diameter value of the column of the current workpiece.

Claims (4)

1.一种汽车仪表指针直径测量仪，包括金属底座，其特征在于：所述的金属底座上设有上凸的穿架；1. A meter pointer diameter measuring instrument for automobiles, comprising a metal base, characterized in that: the metal base is provided with a protruding penetrating frame; 还包括位于所述穿架上方的左测量夹头、右测量夹头，所述的左测量夹头和右测量夹头之间形成工件夹持空间，所述左测量夹头的下方有左轴向滑动杆，所述右测量夹头的下方有右轴向滑动杆，所述的左轴向滑动杆与所述的左测量夹头连接，所述的右轴向滑动杆与所述的右测量夹头连接，所述的左轴向滑动杆与所述的右轴向滑动杆均穿设在所述的穿架上；It also includes a left measuring chuck and a right measuring chuck located above the passing frame, a workpiece clamping space is formed between the left measuring chuck and the right measuring chuck, and there is a left shaft below the left measuring chuck There is a right axial sliding rod under the right measuring chuck, the left axial sliding rod is connected with the left measuring chuck, and the right axial sliding rod is connected with the right The measuring chuck is connected, and the left axial sliding rod and the right axial sliding rod are both mounted on the penetrating frame; 所述的左轴向滑动杆上设有左弹性件，所述的右轴向滑动杆上设有右弹性件，所述的左弹性件和右弹性件使所述的左轴向滑动杆和右轴向滑动杆具有相互靠近的趋势；The left axial sliding rod is provided with a left elastic member, and the right axial sliding rod is provided with a right elastic member, and the left elastic member and the right elastic member make the left axial sliding rod and the Right axial slide bars have a tendency to approach each other; 所述的左测量夹头、左弹性件、左轴向滑动杆构成左测量机构，所述的右测量夹头、右弹性件、右轴向滑动杆构成右测量机构，所述的左测量机构和右测量机构关于工件夹持空间的中心线对称；The left measuring chuck, the left elastic member and the left axial sliding rod constitute the left measuring mechanism, the described right measuring chuck, the right elastic member and the right axial sliding rod constitute the right measuring mechanism, and the described left measuring mechanism It is symmetrical with the right measuring mechanism about the center line of the workpiece clamping space; 所述的左测量夹头或右测量夹头上设有电感式位移传感器，所述的电感式位移传感器与所述的金属底座对应；An inductive displacement sensor is provided on the left or right measuring chuck, and the inductive displacement sensor corresponds to the metal base; 还包括控制装置，所述的控制装置包括与所述的电感式位移传感器的输出端连接的模数转换单元、用于进行直径计算的预存有未插入工件时的原始基数值的计算单元、用于驱动显示屏的驱动电路、用于进行直径数据显示的显示屏，所述的模数转换单元、计算单元、驱动电路及显示屏依次连接。It also includes a control device, which includes an analog-to-digital conversion unit connected to the output end of the inductive displacement sensor, a calculation unit that pre-stores the original base value when the workpiece is not inserted, and is used for diameter calculation. For the driving circuit for driving the display screen and the display screen for displaying diameter data, the analog-to-digital conversion unit, the calculation unit, the driving circuit and the display screen are sequentially connected. 2.如权利要求1所述的汽车仪表指针直径测量仪，其特征在于：所述的左弹性件为左弹簧，所述的左轴向滑动杆上设有左凸环，所述的左凸环位于所述穿架的内侧，所述的左弹簧套在所述的左轴向滑动杆上，该左弹簧的一端顶紧在所述的左凸环上，该左弹簧的另一端顶紧在所述的穿架上；2. The automobile meter pointer diameter measuring instrument according to claim 1, characterized in that: the left elastic part is a left spring, and the left axial sliding rod is provided with a left convex ring, and the left convex ring is The ring is located inside the frame, the left spring is sleeved on the left axial sliding rod, one end of the left spring is pressed against the left protruding ring, and the other end of the left spring is pressed against on said piercing; 所述的右弹性件为右弹簧，所述的右轴向滑动杆上设有右凸环，所述的右凸环位于所述穿架的内侧，所述的右弹簧套在所述的右轴向滑动杆上，该右弹簧的一端顶紧在所述的右凸环上，该右弹簧的另一端顶紧在所述的穿架上；The right elastic part is a right spring, and the right axial sliding rod is provided with a right protruding ring, and the right protruding ring is located on the inner side of the frame, and the right spring is sleeved on the right On the axial sliding rod, one end of the right spring is pressed against the said right convex ring, and the other end of the right spring is pressed against the said wear frame; 所述的左凸环和所述的右凸环关于工件夹持空间的中心线对称。The left protruding ring and the right protruding ring are symmetrical about the center line of the workpiece clamping space. 3.如权利要求1或2所述的汽车仪表指针直径测量仪，其特征在于：所述的显示屏为LED显示屏。3. The automobile instrument pointer diameter measuring instrument according to claim 1 or 2, characterized in that: said display screen is an LED display screen. 4.如权利要求1或2所述的汽车仪表指针直径测量仪，其特征在于：所述的显示屏为LCD显示屏。4. The instrument for measuring the pointer diameter of an automobile meter as claimed in claim 1 or 2, characterized in that: said display screen is an LCD display screen.
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CN103324212A (en) * 2013-06-05 2013-09-25 哈尔滨工程大学 Flight track instrument plotting speed control card based on FPGA
CN107350170A (en) * 2017-06-27 2017-11-17 湖北省林业科学研究院 Bamboo and wood material diameter automatic detection device
CN109974647A (en) * 2018-11-30 2019-07-05 杭州沃镭智能科技股份有限公司 A measuring device for valve body diameter of HCU solenoid valve in ABS hydraulic system

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CN202158837U (en) * 2011-07-18 2012-03-07 宁波锦辉指针有限公司 Device for measuring diameter of automobile instrument pointer

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CN2093379U (en) * 1991-06-08 1992-01-15 上海量具刃具厂 Electronic numeral display inside micrometer
CN2660475Y (en) * 2003-11-07 2004-12-01 怀集县汽车配件制造有限责任公司 Caliber gage
CN101975551A (en) * 2010-09-17 2011-02-16 中天仕名（徐州）重型机械有限公司 Capacitive double measuring bar butt joint flatness detector
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Application publication date: 20111228

Assignee: Ningbo Jinhui Auto Parts Co.,Ltd.

Assignor: Ningbo Jinhui Pointer Co.,Ltd.

Contract record no.: X2021330000136

Denomination of invention: A pointer diameter measuring instrument for automobile instrument

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