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CN204575000U - Tray (well) diameter detector in a kind of leading screw - Google Patents

Tray (well) diameter detector in a kind of leading screw Download PDF

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Publication number
CN204575000U
CN204575000U CN201520165523.1U CN201520165523U CN204575000U CN 204575000 U CN204575000 U CN 204575000U CN 201520165523 U CN201520165523 U CN 201520165523U CN 204575000 U CN204575000 U CN 204575000U
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China
Prior art keywords
leading screw
gauge head
measuring
measuring head
tray
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Expired - Lifetime
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CN201520165523.1U
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Chinese (zh)
Inventor
樊延都
张军茂
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Xi'an C Mart Ada Motor Co ltd
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XI'AN HUA OU PRECISION MACHINERY CO Ltd
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Abstract

本实用新型公开了一种丝杠中径检测仪,包括支架、千分表、上测头、下测头、弹簧和三只量针;所述的千分表垂直固定在支架的上侧板上方,千分表测量端穿过上侧板并与下方的上测头相固联,所述的千分表的套筒和上测头之间设置有弹簧;本实用新型将量块、千分表和三只量针集成与一体,携带方便,便于测量,适合同规格、大批量丝杠生产加工时的中径检测,测量中通过对样杆中径尺寸的测量结果为基数,再结合实际丝杆测量中千分尺的变化,从而读出实际所测丝杠的中径值,具有原理简单,应用方便等特点。

The utility model discloses a measuring instrument for the middle diameter of a lead screw, which comprises a bracket, a dial gauge, an upper measuring head, a lower measuring head, a spring and three measuring needles; the dial gauge is vertically fixed on the upper side plate of the bracket Above, the measuring end of the dial indicator passes through the upper side plate and is fixedly connected with the upper measuring head below, and a spring is arranged between the sleeve of the dial indicator and the upper measuring head; The sub-meter and three measuring needles are integrated into one, easy to carry and easy to measure. It is suitable for the detection of the pitch diameter during the production and processing of the screw with the same specification and in large quantities. The change of the micrometer in the actual screw rod measurement, so as to read the pitch diameter value of the actual measured screw rod, has the characteristics of simple principle and convenient application.

Description

一种丝杠中径检测仪A screw diameter detector

技术领域technical field

本实用新型属于机械加工领域,涉及一种丝杠加工的检测设备,尤其是一种丝杠螺纹中径的检测装置。The utility model belongs to the field of mechanical processing, and relates to a detection device for lead screw processing, in particular to a detection device for the pitch diameter of the lead screw thread.

背景技术Background technique

在滚珠丝杠加工过程中,丝杆加工完成后,需要测量其中径尺寸配作螺母中径。由于螺纹的中径是一个虚拟尺寸,现如今普遍采用三针测量法测中径值,其基本原理如图1所示。实际测量中需要选取与被测丝杠滚道半径相符的量针三根、辅助量块一个、通用量具如数显千分尺一把,间接测出数值,通过数学计算算出丝杠的中径值。由于检测用到的辅助量具多,导致检测速度慢,不利于同规格大批量丝杠的中径检测。In the process of ball screw processing, after the screw rod is processed, it is necessary to measure the diameter of the diameter and use it as the diameter of the nut. Since the pitch diameter of the thread is a virtual size, the three-needle measurement method is generally used to measure the pitch diameter value, and its basic principle is shown in Figure 1. In the actual measurement, it is necessary to select three measuring needles, one auxiliary gauge block, and one general-purpose measuring tool such as a digital display micrometer that match the radius of the raceway of the screw to be measured. The value is indirectly measured, and the pitch diameter of the screw is calculated through mathematical calculation. Due to the many auxiliary measuring tools used in the detection, the detection speed is slow, which is not conducive to the pitch diameter detection of large batches of lead screws with the same specification.

实用新型内容Utility model content

本实用新型提出了一种丝杠中径检测仪,将量针、量块和千分尺集成在一体,实现了同规格大批量丝杠中径的快速检测。The utility model proposes a lead screw pitch diameter detector, which integrates a measuring needle, a gauge block and a micrometer, and realizes rapid detection of the pitch diameter of a large batch of lead screws with the same specification.

本实用新型的技术方案如下:The technical scheme of the utility model is as follows:

一种丝杠中径检测仪,包括支架、千分表、上测头、下测头、弹簧和三只量针,所述的支架为倾斜90度放置的U形结构,包括上侧板、下侧板和底板;A lead screw diameter detector, including a bracket, a dial indicator, an upper measuring head, a lower measuring head, a spring and three measuring needles, the bracket is a U-shaped structure placed at an inclination of 90 degrees, including an upper side plate, Lower side panels and bottom panels;

所述的千分表垂直固定在支架的上侧板上方,千分表测量端穿过上侧板并与下方的上测头相固联,所述的千分表的套筒和上测头之间设置有弹簧;The dial gauge is fixed vertically above the upper side plate of the bracket, the measuring end of the dial gauge passes through the upper side plate and is fixedly connected with the upper measuring head below, the sleeve and the upper measuring head of the dial gauge A spring is arranged between;

所述的下测头固定在下侧板的上方并与上测头相对应的位置;The lower measuring head is fixed above the lower side plate and corresponding to the upper measuring head;

所述的待测丝杠夹持在上测头和下测头之间,一只量针设置在上测头和丝杠的螺旋槽上端之间,两只量针设置在下测头和丝杠的螺旋槽下端之间,两只量针的间距为丝杠的螺距。The lead screw to be measured is clamped between the upper measuring head and the lower measuring head, one measuring needle is arranged between the upper measuring head and the upper end of the spiral groove of the leading screw, and two measuring needles are arranged between the lower measuring head and the leading screw Between the lower ends of the spiral grooves, the distance between the two measuring needles is the pitch of the lead screw.

上述丝杠中径检测仪中,支架底板的内侧固定有调节板。In the measuring instrument for the middle diameter of the lead screw, an adjusting plate is fixed on the inner side of the bottom plate of the bracket.

上述丝杠中径检测仪中,调节板设置有单边开口的U型孔,螺钉穿过所述的U型孔将调节板固定在支架底板的内侧。In the above measuring instrument for the middle diameter of the lead screw, the adjustment plate is provided with a U-shaped hole with one side opening, and the screw passes through the U-shaped hole to fix the adjustment plate on the inner side of the bottom plate of the bracket.

上述丝杠中径检测仪中,支架底板外侧设置有把手。In the above measuring instrument for the middle diameter of the lead screw, a handle is provided on the outer side of the bottom plate of the bracket.

上述丝杠中径检测仪中,上测头和下测头的测量面上设置有横截面为圆弧形的槽。In the measuring instrument for the pitch diameter of the screw, the measuring surfaces of the upper measuring head and the lower measuring head are provided with arc-shaped grooves in cross-section.

本实用新型的有益技术效果如下:The beneficial technical effects of the utility model are as follows:

1、本实用新型将量块、千分表和三只量针集成与一体,携带方便,便于测量,适合同规格、大批量丝杠生产加工时的中径检测。1. The utility model integrates a gauge block, a dial indicator and three gauge needles into one body, which is convenient to carry and measure, and is suitable for measuring the pitch diameter during the production and processing of lead screws of the same specification and in large quantities.

2、本实用新型通过对样杆中径尺寸的测量结果为基数,再结合实际丝杆测量中千分尺的变化,从而读出实际所测丝杠的中径值,具有原理简单,应用方便等特点。2. The utility model uses the measurement result of the middle diameter of the sample rod as the base, combined with the change of the micrometer in the actual screw rod measurement, so as to read the middle diameter value of the actual measured screw rod, which has the characteristics of simple principle and convenient application. .

3、本实用新型的上测头、下侧头、调节板、样杆均为可更换件,在使用中只需要对其进行更换,在保持原有支架不便的基础上,很方便应用到不同参数的丝杠中径测量中。3. The upper measuring head, lower side head, adjusting plate, and sample rod of the utility model are all replaceable parts, which only need to be replaced during use. On the basis of maintaining the inconvenience of the original bracket, it is very convenient to apply to different The pitch diameter of the lead screw of the parameter is being measured.

附图说明Description of drawings

图1为三针测量法基本原理;Figure 1 shows the basic principle of the three-needle measurement method;

图2为本实用新型中径检测仪的主视图;Fig. 2 is the front view of the utility model medium diameter detector;

图3为本实用新型中径检测仪的侧视图;Fig. 3 is a side view of the utility model middle diameter detector;

图4为本实用新型在测量应用中示意图;Fig. 4 is a schematic diagram of the utility model in measurement application;

图5为本实用新型上测头的测量面示意图;Fig. 5 is a schematic diagram of the measurement surface of the upper measuring head of the utility model;

图6为本实用新型下测头的测量面示意图;Fig. 6 is a schematic diagram of the measurement surface of the lower measuring head of the present invention;

图7为本实用新型调节板的结构图;Fig. 7 is the structural diagram of the adjustment plate of the present invention;

图8为本实用新型丝杠样杆示意图。Fig. 8 is a schematic diagram of a lead screw sample rod of the present invention.

附图标记如下:The reference signs are as follows:

1—上测头;2—下测头;3—量针;4—千分表:5—弹簧;6—支架;7—调节板;8—把手;9—丝杠;11—上侧板;12—下侧板;13—底板。1—upper measuring head; 2—lower measuring head; 3—measuring needle; 4—dial indicator: 5—spring; 6—bracket; 7—adjusting plate; 8—handle; 9—screw; 11—upper side plate ; 12—lower side plate; 13—bottom plate.

具体实施方式Detailed ways

如图2、图3和图4所示,本实用新型的中径检测仪包括支架6、千分表4、上测头1、下测头2、弹簧5和三只量针3;其中支架为U形结构,倾斜90度放置,支架包括上侧板11、下侧板12和底板13;As shown in Fig. 2, Fig. 3 and Fig. 4, the intermediate diameter detector of the present utility model comprises support 6, dial indicator 4, upper probe 1, lower probe 2, spring 5 and three measuring needles 3; wherein support It is a U-shaped structure, placed at an inclination of 90 degrees, and the bracket includes an upper side plate 11, a lower side plate 12 and a bottom plate 13;

上侧板11和下侧板12均开有垂直的同轴孔,千分表4依靠夹板安装固定在上侧板11的孔中,垂直固定在支架6的上侧边11上方,千分表4测量端穿过上侧板11并与下方的上测头1相固联,千分表4的套筒和上测头1之间设置有弹簧,其目的是让上测头1和下测头2能与丝杆9的中径接触紧密,在测量中千分表的测量端随着上测头做径向运动,带动千分表指针作旋转动作,从而测量得到千分表的测量端的移动距离。Both the upper side plate 11 and the lower side plate 12 have vertical coaxial holes, and the dial indicator 4 is installed and fixed in the hole of the upper side plate 11 by means of a splint, and is vertically fixed above the upper side 11 of the bracket 6. 4. The measuring end passes through the upper side plate 11 and is fixedly connected with the upper measuring head 1 below. A spring is arranged between the sleeve of the dial gauge 4 and the upper measuring head 1. The purpose is to make the upper measuring head 1 and the lower measuring head The head 2 can be in close contact with the middle diameter of the screw rod 9. During the measurement, the measuring end of the dial indicator moves radially with the upper measuring head, and drives the pointer of the dial indicator to rotate, thereby measuring the measuring end of the dial indicator. Moving distance.

所述的下测头2固定在下侧板12的上方并与上测头1相对应的位置;所述的待测滚珠丝杠9夹持在上测头1和下测头2之间,一只量针3设置在上测头1和丝杠的螺旋槽上端之间,另外两只量针3设置在下测头2和丝杠的螺旋槽下端之间,两只量针的间距为丝杠的螺距。The lower measuring head 2 is fixed above the lower side plate 12 and corresponding to the upper measuring head 1; the ball screw 9 to be tested is clamped between the upper measuring head 1 and the lower measuring head 2. Only the measuring needle 3 is set between the upper measuring head 1 and the upper end of the screw groove of the screw, and the other two measuring needles 3 are set between the lower measuring head 2 and the lower end of the screw groove of the screw. of pitch.

支架底板13处于U形结构内的一侧为内侧,U形结构外的一侧为外侧,其中内侧固定有调节板7。调节板7为多块厚度可更换的平板,其作用是保证上下测头能充分接触到丝杆上中径的最高点上,确保读数更准确。为了方便更换调节板设置有单边开口的U型孔(如图7所示),螺钉穿过所述的U型孔将调节7板固定在支架底板13的内侧,这样只需要拧松螺钉即可对调节板进行更换。支架底板13外侧设置有把手,便于携带和使用。The side of the bracket bottom plate 13 in the U-shaped structure is the inner side, and the side outside the U-shaped structure is the outer side, wherein the adjusting plate 7 is fixed on the inner side. The adjustment plate 7 is a plurality of replaceable flat plates, and its effect is to ensure that the upper and lower measuring heads can fully contact the highest point of the upper diameter of the screw rod to ensure more accurate readings. In order to facilitate the replacement of the adjustment plate, a U-shaped hole (as shown in Figure 7) with a unilateral opening is provided, and the screw passes through the U-shaped hole to fix the adjustment plate 7 on the inner side of the bracket bottom plate 13, so that only the screws need to be loosened The adjustment plate can be replaced. A handle is provided on the outside of the bracket bottom plate 13, which is convenient for carrying and using.

如图5和图6所示,上测头1和下测头2的测量面上设置有横截面为圆弧形的槽,其圆弧的直径与丝杠用的滚珠直径相同,也与量针3的横截面尺度匹配,目的是测量中将量针置于其中,为量针3提供定位。量针3为条形结构,其横截面与丝杠用的滚珠直径相同,在长度方向上略长,并与上测头1和下测头2的圆弧形的槽尺寸相匹配。As shown in Figure 5 and Figure 6, the measuring surface of the upper measuring head 1 and the lower measuring head 2 is provided with a groove with a cross-section in the shape of an arc, and the diameter of the arc is the same as the diameter of the ball used in the screw, and is also the same as the measuring surface. The dimensions of the cross-section of the needle 3 match, the purpose is to place the measuring needle therein during measurement, and provide positioning for the measuring needle 3 . Measuring needle 3 is a strip structure, its cross section is the same as the diameter of the ball used for the screw, slightly longer in the length direction, and matches the arc-shaped groove size of the upper measuring head 1 and the lower measuring head 2.

本实用新型在使用中,需要事先制作标准样杆(如图7所示),确保样杆与被测量的丝杠参数相同,并获取其准确的中径值(D0)。测量时按照三针测量法将样杆放置在中径检测仪上,然后进行千分尺对表清零;接着去掉样杆,换成被测量丝杠,按照丝杠的长度和加工要求,通常每隔300mm测量一组千分尺的数值,有可能为正也可能为负,以样杆上的中径值为基数,结合指示器上的读数,即可读出所测丝杆的中径值。In use of the utility model, it is necessary to make a standard sample rod (as shown in FIG. 7 ) in advance to ensure that the sample rod has the same parameters as the measured lead screw, and to obtain its accurate pitch value (D0). When measuring, place the sample rod on the middle diameter detector according to the three-needle measurement method, and then perform a micrometer to reset the meter; then remove the sample rod and replace it with the measured screw, according to the length and processing requirements of the screw, usually every Measure the value of a set of micrometers at 300mm, which may be positive or negative. Based on the value of the pitch diameter on the sample rod, combined with the reading on the indicator, the pitch diameter value of the measured screw rod can be read.

如果要更换和检测不同参数的丝杠,则需要根据丝杆规格如钢珠、导程、螺旋升角、公程直径等参数重新加工样杆、上测头1、下测头2和调节板7,然后安装调试,并对表清零,重复以上的步骤。If you want to replace and test the lead screw with different parameters, you need to reprocess the sample rod, upper probe 1, lower probe 2 and adjustment plate 7 according to the specifications of the screw rod, such as steel ball, lead, helix angle, and pitch diameter. , then install and debug, clear the table, and repeat the above steps.

本实用新型具有携带方便,结构简单等特点,已经成功用于同规格、大批量丝杠生产加工时的中径检测中。The utility model has the characteristics of convenient portability, simple structure, etc., and has been successfully used in the detection of the middle diameter during the production and processing of lead screws with the same specification and in large quantities.

Claims (5)

1. a tray (well) diameter detector in leading screw, is characterized in that: comprise support (6), clock gauge (4), upper gauge head (1), lower gauge head (2), spring (5) and three metering pins (3); The U-shaped structure that described support (6) is placed for inclination 90 degree, comprises epipleural (11), lower side panel (12) and base plate (13);
Described clock gauge (4) is vertically fixed on epipleural (11) top of support, clock gauge measuring junction passes epipleural (11) and connects firmly mutually with the upper gauge head (1) of below, is provided with spring (5) between the sleeve of described clock gauge (4) and upper gauge head (1);
Described lower gauge head (2) is fixed on the top of lower side panel (12) and the position corresponding with upper gauge head (1);
Described leading screw to be measured (9) is clamped between upper gauge head (1) and lower gauge head (2), a metering pin (3) is arranged between gauge head (1) and the helicla flute upper end of leading screw, two metering pins (3) are arranged between lower gauge head (2) and the helicla flute lower end of leading screw, and the spacing of two metering pins is the pitch of leading screw.
2. tray (well) diameter detector in leading screw according to claim 1, is characterized in that: the inner side of described support base plate (13) is fixed with adjustable plate (7).
3. tray (well) diameter detector in leading screw according to claim 2, it is characterized in that: described adjustable plate (7) is provided with the U-shaped hole of one-sided open, adjustable plate (7) is fixed on the inner side of support base plate (13) through described U-shaped hole by screw.
4. tray (well) diameter detector in leading screw according to claim 1, is characterized in that: described support base plate (13) arranged outside jug (8).
5. tray (well) diameter detector in leading screw according to claim 1, is characterized in that: described upper gauge head (1) and the measuring surface of lower gauge head (2) are provided with the groove that xsect is circular arc.
CN201520165523.1U 2015-03-23 2015-03-23 Tray (well) diameter detector in a kind of leading screw Expired - Lifetime CN204575000U (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106705809A (en) * 2016-11-30 2017-05-24 江西合力泰科技有限公司 Go-no go gauge used for measuring shape of product with circular cross section
CN107588717A (en) * 2017-07-31 2018-01-16 中国农业大学 A kind of detection means, the system and method in plant strain footpath
CN110345839A (en) * 2018-04-02 2019-10-18 矢崎总业株式会社 Sell diameter checking tool and pin diameter inspection method
CN112268534A (en) * 2020-10-30 2021-01-26 山西柴油机工业有限责任公司 A device for online detection of needle lift size
CN113654430A (en) * 2021-06-28 2021-11-16 中国航空工业标准件制造有限责任公司 Clamp for detecting polished rod bounce by taking pitch diameter of threads as reference and detection method thereof

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106705809A (en) * 2016-11-30 2017-05-24 江西合力泰科技有限公司 Go-no go gauge used for measuring shape of product with circular cross section
CN107588717A (en) * 2017-07-31 2018-01-16 中国农业大学 A kind of detection means, the system and method in plant strain footpath
CN110345839A (en) * 2018-04-02 2019-10-18 矢崎总业株式会社 Sell diameter checking tool and pin diameter inspection method
CN112268534A (en) * 2020-10-30 2021-01-26 山西柴油机工业有限责任公司 A device for online detection of needle lift size
CN113654430A (en) * 2021-06-28 2021-11-16 中国航空工业标准件制造有限责任公司 Clamp for detecting polished rod bounce by taking pitch diameter of threads as reference and detection method thereof

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