CN103364114A - Method for integrally measuring ball ejection force and axial gap of pen point of ball-point pen - Google Patents
Method for integrally measuring ball ejection force and axial gap of pen point of ball-point pen Download PDFInfo
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- CN103364114A CN103364114A CN2013102648955A CN201310264895A CN103364114A CN 103364114 A CN103364114 A CN 103364114A CN 2013102648955 A CN2013102648955 A CN 2013102648955A CN 201310264895 A CN201310264895 A CN 201310264895A CN 103364114 A CN103364114 A CN 103364114A
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Abstract
The invention relates to an integrated measurement method for a pen point of a ball-point pen. In a measuring device, a measuring ejector pin is vertically arranged, the measuring ejector pin is connected with a force sensor, the force sensor is connected with a vertical driving mechanism, a pen point fixture is positioned right below the measuring ejector pin, the pen point fixture is provided with a detection hole, the center line of the measuring ejector pin and the center of the detection hole are positioned on the same vertical line, and a measuring head of a dial indicator is positioned below the detection hole. The method comprises the following steps of 1, arranging the measured pen point on the pen point fixture, so that a ball of the pen point is just in contact with the measuring head of the digital display dial indicator; 2, regulating to enable the measured pen point to be centered with the measuring ejector pin; and 3, controlling the vertical driving mechanism to move downwards, automatically acquiring data information of the force sensor and the dial indicator when contact between the measuring ejector pin and the ball of the pen point is measured, dynamically reading and displaying values of a current ball ejection force and a current displacement, and after the ball of the pen point is ejected out, automatically calculating and displaying the maximum ejection force and a corresponding axial gap. According to the invention, working efficiency is promoted and measuring accuracy is improved.
Description
Technical Field
The invention relates to detection equipment, in particular to a ball-point pen point measuring method.
Background
At present, China is a famous and genuine export large country for world pen industry production. According to statistics, in the yield aspect in 2009, the total yield of the pen making industry in China is 380 hundred million, the yield of ball-point pens in various pens is the largest, the annual yield is 136 hundred million, 70% of the ball-point pens are exported, and the export is distributed in all countries in the world. The pen point detection technology is relatively backward, the pen point bead-ejecting force measurement and the axial clearance measurement are still in a semi-manual state at present, the pen point bead-ejecting force and the axial clearance are respectively measured, and the 2 sets of devices have lower measurement precision and efficiency.
Disclosure of Invention
In order to overcome the defects of low working efficiency and low measurement precision of the existing ball pen point measurement technology, the invention provides the ball-ejecting force and axial gap integrated measurement method of the ball pen point, which can improve the working efficiency and the measurement precision.
The technical scheme adopted by the invention for solving the technical problems is as follows:
a ball-point pen point ball-ejecting force and axial clearance integrated measurement method is characterized in that a measurement device for realizing the measurement method comprises a machine base, measurement ejector pins, a pen point clamp and a dial indicator, wherein the measurement ejector pins are vertically arranged, the measurement ejector pins are connected with a force sensor, the force sensor is connected with a vertical driving mechanism for driving the measurement ejector pins to vertically move up and down, the vertical driving mechanism is installed on the machine base, the pen point clamp is positioned under the measurement ejector pins, a detection hole for placing a pen point to be measured is formed in the pen point clamp, the center line of the measurement ejector pins and the center of the detection hole are positioned on the same vertical line, the pen point clamp is connected with the machine base, the dial indicator is positioned under the pen point clamp, a measurement head of the dial indicator is positioned under the detection hole, and the upper end of the measurement head of the dial indicator is in contact with a ball of the pen point to be, the dial indicator is arranged on a dial indicator fixing frame, the dial indicator fixing frame is arranged on the machine base, and the integrated measurement method comprises the following steps:
1) the measured pen point is arranged on the pen point clamp, so that the ball of the pen point is just contacted with the measuring head of the digital display dial indicator;
2) adjusting to enable the tested pen point to be aligned with the measuring thimble;
3) the vertical driving mechanism is controlled to move downwards, when the measuring thimble contacts the ball of the pen point, data information measured by the force sensor and the dial indicator (displacement sensor) is automatically acquired, the current values of the ball ejecting force and the displacement are dynamically read and displayed, and the maximum ejecting force and the corresponding axial clearance are automatically calculated and displayed after the ball of the pen point is ejected.
Further, in the step 3), a nib ball-ejecting force curve is obtained according to the signal of the force sensor, an axial gap corresponding to different ball-ejecting forces is obtained according to dial gauge data (the signal of the displacement sensor), and a maximum ball-ejecting force and a corresponding axial gap are obtained according to the nib ball-ejecting force curve.
Furthermore, the integrated measuring device further comprises a position fine-tuning assembly, the position fine-tuning assembly comprises a fixture mounting platform, an X-axis dovetail groove bottom plate and a Y-axis dovetail groove bottom plate, the X-axis dovetail groove bottom plate and the Y-axis dovetail groove bottom plate are sequentially arranged below the fixture mounting platform, and through holes for the measuring heads of the dial indicator to pass through are formed in the X-axis dovetail groove bottom plate and the Y-axis dovetail groove bottom plate; wherein,
the pen point clamp is installed on the clamp installation platform, the bottom surface of the clamp installation platform is fixedly connected with the X-axis dovetail guide rail, one end of an X-axis tension spring is fixed on the clamp installation platform, the other end of the X-axis tension spring is fixed on the X-axis dovetail groove bottom plate, and the X-axis dovetail guide rail is slidably connected with the X-axis dovetail groove bottom plate;
one end of a Y-axis tension spring is fixed on the X-axis dovetail groove bottom plate, the other end of the Y-axis tension spring is fixed on the Y-axis dovetail groove bottom plate, a Y-axis dovetail guide rail is fixedly connected with the bottom surface of the X-axis dovetail groove bottom plate, the Y-axis dovetail guide rail is slidably connected with the Y-axis dovetail groove bottom plate, and the Y-axis dovetail groove bottom plate is fixed on the base;
an X-axis micrometer screw mounting seat is fixed on an X-axis dovetail groove bottom plate, a Y-axis micrometer screw mounting seat is fixed on a Y-axis dovetail groove bottom plate, a measuring head of the X-axis micrometer screw contacts with an X-axis dovetail guide rail, and a measuring head of the Y-axis micrometer screw contacts with a Y-axis dovetail guide rail;
in the step 2), the measured pen point is aligned with the measuring thimble by adjusting the X-axis micrometer screw and the Y-axis micrometer screw.
The invention has the following beneficial effects: the working efficiency is improved, and the measurement precision is improved.
Drawings
FIG. 1 is a schematic view of a ball point pen tip integrated measuring device.
FIG. 2 is a schematic view of the pen point fixture and the position fine-tuning device.
Fig. 3 is an exploded view of the position fine adjustment device.
Fig. 4 is a schematic view of the position fine-tuning device and the dial indicator.
FIG. 5 is a graph showing the results of the detection.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
Referring to fig. 1 to 5, a measuring device for realizing the measuring method comprises a machine base 12, a measuring thimble 7, a pen point clamp 8 and a dial indicator 11, wherein the measuring thimble 7 is vertically arranged, the measuring thimble 7 is connected with a force sensor 3, the force sensor 3 is connected with a vertical driving mechanism for driving the measuring thimble to vertically move, the vertical driving mechanism is installed on the machine base, the pen point clamp 8 is positioned under the measuring thimble 7, the pen point clamp 8 is provided with a detecting hole for placing a pen point 15 to be measured, the center line of the measuring thimble 7 and the center of the detecting hole are positioned on the same vertical line, the pen point clamp 8 is connected with the machine base 12, the dial indicator 11 is positioned under the pen point clamp 8, and a measuring head of the dial indicator 11 is positioned under the detecting hole, the upper end of the measuring head of the dial indicator 11 is in contact with the ball of the pen point to be detected, the dial indicator 11 is installed on a dial indicator fixing frame 10, the dial indicator fixing frame 10 is installed on the machine base 12, and the integrated measuring method comprises the following steps:
1) the measured pen point is arranged on the pen point clamp, so that the ball of the pen point is just contacted with the measuring head of the digital display dial indicator;
2) adjusting to enable the tested pen point to be aligned with the measuring thimble;
3) the vertical driving mechanism is controlled to move downwards, when the measuring thimble contacts the ball of the pen point, data information measured by the force sensor and the dial indicator (displacement sensor) is automatically acquired, the current values of the ball ejecting force and the displacement are dynamically read and displayed, and the maximum ejecting force and the corresponding axial clearance are automatically calculated and displayed after the ball of the pen point is ejected.
Further, in the step 3), a nib ball-ejecting force curve is obtained according to the signal of the force sensor, an axial gap corresponding to different ball-ejecting forces is obtained according to dial gauge data (the signal of the displacement sensor), and a maximum ball-ejecting force and a corresponding axial gap are obtained according to the nib ball-ejecting force curve.
The integrated measuring device further comprises a position fine-tuning assembly, the position fine-tuning assembly comprises a clamp mounting platform 9a, an X-axis dovetail groove bottom plate 9ex and a Y-axis dovetail groove bottom plate 9ey, the X-axis dovetail groove bottom plate 9ex and the Y-axis dovetail groove bottom plate 9ey are sequentially arranged below the clamp mounting platform 9a, and through holes for measuring heads of the dial gauges to pass through are formed in the X-axis dovetail groove bottom plate 9ex and the Y-axis dovetail groove bottom plate 9 ey; wherein,
the pen point clamp 8 is installed on the clamp installation platform 9a, the bottom surface of the clamp installation platform 9a is fixedly connected with an X-axis dovetail guide rail 9dx, one end of an X-axis tension spring 9cx is fixed on the clamp installation platform 9a, the other end of the X-axis tension spring 9cx is fixed on an X-axis dovetail groove bottom plate 9ex, and the X-axis dovetail guide rail 9dx is slidably connected with the X-axis dovetail groove bottom plate 9 ex;
one end of a Y-axis tension spring 9cy is fixed on the X-axis dovetail groove bottom plate 9ex, the other end of the Y-axis tension spring 9cy is fixed on the Y-axis dovetail groove bottom plate 9ey, a Y-axis dovetail guide rail 9dy is fixedly connected with the bottom surface of the X-axis dovetail groove bottom plate 9ex, the Y-axis dovetail guide rail 9dy is slidably connected with the Y-axis dovetail groove bottom plate 9ey, and the Y-axis dovetail groove bottom plate 9ey is fixed on the base 12;
an X-axis micrometer screw measuring device 9fx installation seat is fixed on an X-axis dovetail groove bottom plate 9ex, a Y-axis micrometer screw measuring device 9fy installation seat is fixed on a Y-axis dovetail groove bottom plate 9ey, a measuring head of the X-axis micrometer screw measuring device 9fx contacts an X-axis dovetail guide rail 9dx, and a measuring head of the Y-axis micrometer screw measuring device 9fy contacts a Y-axis dovetail guide rail 9 dy;
in the step 2), the measured pen point is aligned with the measuring thimble by adjusting the X-axis micrometer screw and the Y-axis micrometer screw.
Other position adjusting components can be selected as long as the precision can be ensured.
Further, the measuring thimble 7 is fixedly installed on the measuring thimble clamp 6, the measuring thimble clamp 6 is fixedly connected with the lower end of the force sensor 3, and the force sensor 3 is connected with the vertical driving mechanism.
Still further, integrated measuring device still includes guiding mechanism, guiding mechanism includes slider 4 and vertical guide rail 5, force sensor 3 and slider 4 fixed connection, but slider 4 and vertical slide rail 5 vertical upper and lower sliding connection, vertical slide rail 5 fixed mounting be in on frame 12.
Furthermore, vertical actuating mechanism is linear electric motor 1, linear electric motor is through taking nut and slider 4 fixed connection on the lead screw certainly, linear electric motor 1 installs on motor mounting panel 2, motor mounting panel 2 is fixed on frame 12. Of course, other driving mechanisms can be adopted as long as the measuring thimble can be driven to move up and down.
The upper end of the measuring thimble 7 is provided with an external thread, the measuring thimble clamp 6 is provided with an internal thread hole, and the measuring thimble 7 is in threaded connection with the measuring thimble clamp 6. Of course, other fixed connection methods can be selected.
The dial indicator 11 is a digital display dial indicator. Of course, other displacement sensors may be used.
Furthermore, the integrated measuring device comprises a control case 14, the force sensor 3 and the dial indicator 11 are connected with the control case 14 through a connecting line 13, the control case 14 comprises an intelligent processor module, the intelligent processor module comprises a signal acquisition unit and an intelligent measuring unit, the signal acquisition unit is used for obtaining a pen point bead ejecting force curve according to signals of the force sensor 3 and obtaining axial gaps corresponding to different bead ejecting forces according to data of the dial indicator (displacement sensor) 11, the intelligent measuring unit is used for obtaining the maximum bead ejecting force and the axial gaps corresponding to the pen point bead ejecting force curve, and the signal acquisition module is connected with the intelligent measuring unit.
The control cabinet 14 further includes a display module for outputting the maximum bead ejecting force and the corresponding axial gap obtained by the intelligent measurement unit to a display for displaying, the intelligent measurement unit is connected with the display module, and the display module is connected with the display.
The control cabinet 14 is provided with a keyboard module, the keyboard module is provided with keys for resetting, starting, stopping, up-regulating, down-regulating, inquiring, result and the like, and the keyboard module is connected with the intelligent processor module through a connecting line to realize key signal input.
The intelligent processor module is provided with a linear motor driving module, and the linear motor driving module can control the linear motor 1 to start, stop, positively rotate and reversely rotate.
The intelligent processor module is provided with a communication module, and the communication module adopts serial port communication to transmit data with a computer.
The working process of the embodiment is as follows:
1) the measured pen point is arranged on the pen point clamp 8, so that the ball of the pen point is just contacted with the measuring head of the digital display dial indicator, and the measuring thimble clamp 6 ensures the installation position in the vertical direction;
2) adjusting a position fine adjustment assembly 9 (adjusting in X and Y directions) to enable the tested pen head to be aligned with the measuring thimble 7;
3) when the start key is pressed, the equipment controls the linear motor to move in a stepping mode according to a preset program, when the measuring thimble 7 contacts a ball of the pen point, data information measured by the force sensor 3 and the dial indicator (displacement sensor) 11 is automatically collected, the numerical values of the current ball ejecting force and the displacement are dynamically read and displayed, after the ball of the pen point is ejected, the equipment automatically calculates and displays the maximum ejecting force and the corresponding displacement, and the equipment automatically returns to a starting state.
Claims (3)
1. An integrated measurement method for ball-ejecting force and axial clearance of a ball pen point is characterized in that: the measuring device for realizing the measuring method comprises a machine base, a measuring thimble, a pen point clamp and a dial indicator, wherein the measuring thimble is vertically arranged, the measuring thimble is connected with a force sensor, the force sensor is connected with a vertical driving mechanism for driving the measuring thimble to vertically move up and down, the vertical driving mechanism is installed on the machine base, the pen point clamp is positioned under the measuring thimble, a detecting hole for placing a pen point to be measured is formed in the pen point clamp, the center line of the measuring thimble and the center of the detecting hole are positioned on the same vertical line, the pen point clamp is connected with the machine base, the dial indicator is positioned under the pen point clamp, a measuring head of the dial indicator is positioned under the detecting hole, the upper end of the measuring head of the dial indicator is in contact with a ball of a pen point to be detected, and the dial indicator is installed on a dial indicator fixing frame, the dial indicator fixing frame is installed on the machine base, and the integrated measuring method comprises the following steps:
1) the measured pen point is arranged on the pen point clamp, so that the ball of the pen point is just contacted with the measuring head of the digital display dial indicator;
2) adjusting to enable the tested pen point to be aligned with the measuring thimble;
3) and controlling the vertical driving mechanism to move downwards, automatically acquiring data information measured by the force sensor and the dial indicator when the measuring thimble contacts the ball of the pen point, dynamically reading and displaying the current ball ejecting force and displacement values, and automatically calculating and displaying the maximum ejecting force and the corresponding axial clearance after the ball of the pen point is ejected.
2. The integrated measurement method for the ball-ejecting force and the axial gap of the ball-point pen point as claimed in claim 1, wherein the integrated measurement method comprises the following steps: in the step 3), a pen point bead ejecting force curve is obtained according to signals of the force sensor, axial gaps corresponding to different bead ejecting forces are obtained according to dial indicator data, and the maximum bead ejecting force and the corresponding axial gaps are obtained according to the pen point bead ejecting force curve.
3. The integrated measurement method for the ball-ejecting force and the axial gap of the ballpoint pen point as described in claim 1 or 2, characterized in that: the integrated measuring device further comprises a position fine-tuning assembly, the position fine-tuning assembly comprises a clamp mounting platform, an X-axis dovetail groove bottom plate and a Y-axis dovetail groove bottom plate, the X-axis dovetail groove bottom plate and the Y-axis dovetail groove bottom plate are sequentially arranged below the clamp mounting platform, and through holes for the measuring heads of the dial indicator to pass through are formed in the X-axis dovetail groove bottom plate and the Y-axis dovetail groove bottom plate; wherein,
the pen point clamp is installed on the clamp installation platform, the bottom surface of the clamp installation platform is fixedly connected with the X-axis dovetail guide rail, one end of an X-axis tension spring is fixed on the clamp installation platform, the other end of the X-axis tension spring is fixed on the X-axis dovetail groove bottom plate, and the X-axis dovetail guide rail is slidably connected with the X-axis dovetail groove bottom plate;
one end of a Y-axis tension spring is fixed on the X-axis dovetail groove bottom plate, the other end of the Y-axis tension spring is fixed on the Y-axis dovetail groove bottom plate, a Y-axis dovetail guide rail is fixedly connected with the bottom surface of the X-axis dovetail groove bottom plate, the Y-axis dovetail guide rail is slidably connected with the Y-axis dovetail groove bottom plate, and the Y-axis dovetail groove bottom plate is fixed on the base;
an X-axis micrometer screw mounting seat is fixed on an X-axis dovetail groove bottom plate, a Y-axis micrometer screw mounting seat is fixed on a Y-axis dovetail groove bottom plate, a measuring head of the X-axis micrometer screw contacts with an X-axis dovetail guide rail, and a measuring head of the Y-axis micrometer screw contacts with a Y-axis dovetail guide rail;
in the step 2), the measured pen point is aligned with the measuring thimble by adjusting the X-axis micrometer screw and the Y-axis micrometer screw.
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Cited By (7)
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| CN106017785A (en) * | 2016-05-18 | 2016-10-12 | 深圳市华星光电技术有限公司 | Testing machine |
| CN106066241A (en) * | 2016-06-07 | 2016-11-02 | 浙江工业大学 | The measurement apparatus of device of spring stiffness coefficient |
| CN108731581A (en) * | 2018-06-05 | 2018-11-02 | 芜湖优能自动化设备有限公司 | A kind of pump core detection impeller clearance detection device |
| CN109916581A (en) * | 2019-03-27 | 2019-06-21 | 一汽-大众汽车有限公司 | A kind of portable stiffness measuring device and method |
| WO2021164115A1 (en) * | 2020-02-19 | 2021-08-26 | 深圳市海铭德科技有限公司 | Method for monitoring ejection force of ejector pin during chip film-plating process |
| CN113494975A (en) * | 2020-04-07 | 2021-10-12 | 群光电子股份有限公司 | Object pressing performance measuring system |
| US11680878B2 (en) | 2020-03-25 | 2023-06-20 | Chicony Electronics Co., Ltd. | Object press performance measuring system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2021164115A1 (en) * | 2020-02-19 | 2021-08-26 | 深圳市海铭德科技有限公司 | Method for monitoring ejection force of ejector pin during chip film-plating process |
| US11680878B2 (en) | 2020-03-25 | 2023-06-20 | Chicony Electronics Co., Ltd. | Object press performance measuring system |
| CN113494975A (en) * | 2020-04-07 | 2021-10-12 | 群光电子股份有限公司 | Object pressing performance measuring system |
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| CN103364114B (en) | 2015-03-04 |
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Effective date of registration: 20191226 Address after: No. 88, Yungang section, Dushan Port Town, Pinghu City, Jiaxing City, Zhejiang Province Patentee after: Pinghu xinchengfa Hardware Machinery Co.,Ltd. Address before: 510000 unit 2414-2416, building, No. five, No. 371, Tianhe District, Guangdong, China Patentee before: GUANGDONG GAOHANG INTELLECTUAL PROPERTY OPERATION Co.,Ltd. Effective date of registration: 20191226 Address after: 510000 unit 2414-2416, building, No. five, No. 371, Tianhe District, Guangdong, China Patentee after: GUANGDONG GAOHANG INTELLECTUAL PROPERTY OPERATION Co.,Ltd. Address before: The city Zhaohui six districts Chao Wang Road Hangzhou City, Zhejiang province 310014 18 Patentee before: Zhejiang University of Technology |
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