CN115582791B - Precise force control self-locating assembly method - Google Patents
Precise force control self-locating assembly method Download PDFInfo
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- CN115582791B CN115582791B CN202211120919.5A CN202211120919A CN115582791B CN 115582791 B CN115582791 B CN 115582791B CN 202211120919 A CN202211120919 A CN 202211120919A CN 115582791 B CN115582791 B CN 115582791B
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- Prior art keywords
- clamp
- control system
- pressure sensor
- information
- press
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
- B25B11/02—Assembly jigs
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
- B25B27/02—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
- G01L5/0028—Force sensors associated with force applying means
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automatic Assembly (AREA)
Abstract
The invention discloses a precise force control self-locating assembly method, which comprises the following steps: (1) providing a pressure sensor in a control system of the clamp; (2) The clamp clamps the part for pressure test and uses the pressure sensor to receive the stress information when the part is pressed; (3) Transmitting information received by the pressure sensor to a clamp control system, and analyzing by the control system through preset process data; (4) The control system adjusts the position of the clamp and then performs pressure test again; (5) And when the state information of the pressure sensor is consistent with the process data of the press fitting completion, the press fitting is completed. In the practical application process, the pressure sensor is utilized to carry out stress induction on the parts, the position of the clamp is automatically adjusted according to the stress magnitude and direction by combining the database and the control system, the accurate press-mounting and mounting work of the micro electronic parts can be completed, and the production rate and the qualification rate of products are improved.
Description
Technical Field
The invention relates to the technical field of tiny component assembly, in particular to a precise force control self-locating assembly method.
Background
The electronics industry has been growing more and more, and many of the electrical components in the electronics industry, such as chips, are in the millimeter scale, and require mounting and fixing on circuit boards, and such tiny component mounting is very difficult by manually doing the mounting and fixing. Although some clamps appear along with the development of manufacturing technology, because the clamps with force control do not exist, in the process of installing micro electronic parts in a manual mode, the phenomenon of part damage or position misalignment of installation press fitting often appears, so that the press fitting and installation work of the micro electronic parts need to consume a large amount of resources, the production efficiency is low, and the product qualification rate is low. In the modern industry, how to accurately and rapidly mount tiny electric parts without damage, improve the productivity and the qualification rate, reduce manpower and material resources, and become the problem to be solved urgently in the semiconductor and chip industries.
Disclosure of Invention
The present invention aims to solve at least one of the technical problems existing in the prior art. Therefore, the invention provides a precise force control self-locating assembly method.
According to one aspect of the present invention, a precision force control self-locating assembly method is provided, comprising the steps of:
s1: a pressure sensor is arranged in the clamp;
s2: the part is clamped by the clamp for pressure test, and the pressure sensor is used for receiving stress information when the part is pressed;
s3: transmitting the information received by the pressure sensor to a control system of the clamp, and analyzing by the control system through preset process data;
s4: the control system adjusts the position of the clamp and then carries out pressure test again;
s5: and when the state information of the pressure sensor is consistent with the process data of the press fitting completion, the press fitting is completed.
In some embodiments of the invention, in step S1, the pressure sensor is disposed at a tip of the jig.
In some embodiments of the present invention, in step S3, a database in the control system stores preset process data.
In some embodiments of the present invention, in step S3, the process data includes, but is not limited to, range matrix information of a film reference, a numerical range of a change in a direction of a three-dimensional force, and a set value of a moving range of the jig.
In some embodiments of the present invention, in step S4, when the control system adjusts the movement of the fixture, the displacement instruction of the fixture is finally obtained by performing comprehensive processing by combining the process data and the information of the pressure sensor information.
In some embodiments of the present invention, in step S4, a threshold value of the moving distance and the moving range of the clamp is set in the control system, and the movement of the clamp does not exceed the set threshold value.
In some embodiments of the present invention, in step S4, the pressure of the press-fitting of the fixture is set to a threshold value, and the fixture automatically adjusts the force of the press-fitting so as not to exceed the threshold value.
In some embodiments of the present invention, in step S4, the control system adjusts the position of the fixture in real time according to a preset press-fit range, a press-fit position of the part, and stress information of the part.
In some embodiments of the present invention, in step S4, the control system automatically adjusts the displacement command of the fixture, and when the fixture moves a certain distance, the fixture is subjected to pressure test, the control system performs analysis of a certain algorithm on stress information collected by the pressure sensor, and corrects the displacement command according to the result obtained by the analysis.
In some embodiments of the present invention, in step S4, the control system performs work through computer processing, database, pressure sensor, fixture multi-port cooperation.
The precise force control self-locating assembly method provided by the invention has at least the following beneficial effects:
1. the invention can complete the accurate press-fitting and installation work of the tiny parts through the multi-terminal cooperation of the control system, the pressure sensor and the clamp, and the parts are not damaged in the press-fitting and installation process.
2. The invention can reduce the labor cost through intelligent control and automatically finish the press mounting and installation work of tiny parts.
3. The invention can improve the precision of the press mounting and the installation work of the tiny parts, improve the yield and the productivity of products, and can rapidly install the tiny electric parts accurately without damage.
Detailed Description
In the description of the present invention, it should be understood that references to orientation descriptions such as front, back, top, bottom, left, right, inner, outer, etc. indicate an orientation or a positional relationship, and are merely for convenience of describing the present invention and to simplify the description, rather than to indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.
In the description of the present invention, the first, second, third and fourth are used for distinguishing technical features only, and are not to be construed as indicating or implying relative importance or implying that the number of technical features indicated or that the precedence of the technical features indicated is indicated.
In the description of the present invention, unless explicitly defined otherwise, terms such as mounting, connecting, assembling, fitting, etc. should be construed broadly and the specific meaning of the terms in the present invention can be reasonably determined by those skilled in the art in combination with the specific contents of the technical scheme.
In some embodiments of the present invention, a precision force-controlled self-locating assembly method of the present invention includes the steps of:
s1: a pressure sensor is arranged in the clamp;
s2: the part is clamped by the clamp for pressure test, and the pressure sensor is used for receiving stress information when the part is pressed;
s3: transmitting the information received by the pressure sensor to a control system of the clamp, and analyzing by the control system through preset process data;
s4: the control system adjusts the position of the clamp and then carries out pressure test again;
s5: and when the state information of the pressure sensor is consistent with the process data of the press fitting completion, the press fitting is completed.
The invention adopts the technical proposal that a pressure sensor is arranged in a control system of the clamp; the pressure sensor is specifically arranged at the tip of the clamp; the method comprises the steps of utilizing a pressure sensor to sense the stress condition and the stress direction of a part to be pressed, transmitting the stress information of the part sensed by the pressure sensor to a clamp control system, analyzing stress data information of the part by an algorithm program preset by the control system, and performing press mounting and mounting work on the part again by the control system through analyzing and comparing the change of the stress direction in a database according to the preset press mounting range, the position of the part to be pressed and the corresponding relation between the stress magnitude and the stress direction of the part and based on the power of the pressure sensor set by the clamp. In the practical application process, the pressure sensor is utilized to carry out the stress induction of the parts, and the position of the clamp is automatically adjusted according to the stress size and the direction by combining the database and the control system, so that the problems of low qualification rate, high cost and great consumption of manpower and material resources in the prior art for installing tiny parts can be well solved.
In some embodiments of the present invention, in step S1, a pressure sensor is disposed at a tip of a jig, and when the jig presses a component, the pressure sensor mounted at the tip of the jig may collect stress information of the component and transmit data to a control system through the pressure sensor.
In some embodiments of the present invention, in step S3, a database in the control system stores a preset algorithm program and comparison data for three-dimensional stress analysis of the part. After the control system receives the information transmitted by the pressure sensor, the control system automatically outputs the information according to a preset algorithm program after analyzing the data in the comparison database, and finally, the position of the clamp is automatically adjusted.
In some embodiments of the present invention, in step S3, a recognition algorithm of the part position is set in the control system, where the recognition algorithm includes a range matrix of film references for calibrating the press-fit range of the part; the recognition algorithm compares the numerical value interval of the three-dimensional force direction change contained in the recognition algorithm with data transmitted by the pressure sensor, so that whether the part is installed in place is determined; the setting value of the moving range of the clamp contained in the identification algorithm is used for limiting the moving range of the clamp not to exceed the press-fit range of the part, and meanwhile, the precision of the distance of each moving of the clamp is set, so that the clamp moves a tiny distance each time.
In some embodiments of the present invention, in step S4, the control system combines the data transmitted by the pressure sensor with the analysis obtained by comparing the data with the database, and then outputs the data according to a preset algorithm program, and according to the output result, the control system automatically adjusts the clamp to perform displacement; and determining the displacement direction of the clamp by combining the analyzed result of the control system.
In some embodiments of the present invention, in step S4, a limit value is set in the control system of the clamp, and the clamp is displaced under the control of the control system, but the displacement distance and the displacement range of the clamp are within the limit value, and the clamp does not exceed the set limit value when automatically adjusting the position direction.
In some embodiments of the present invention, in step S4, the control system adjusts the displacement command of the clamp according to the output value to perform pressure test, the pressure sensor collects the stress state information of the part and transmits the stress state information to the control system, the control system processes and analyzes the information, and after determining the offset direction, the control system changes the displacement command of the clamp again according to the determination result, so as to make the clamp finally displace in the correct direction.
In some embodiments of the present invention, in step S5, the control system analyzes the collected data of the pressure sensor during the press-fitting of the part, and when the state information of the pressure sensor is consistent with the process data of the press-fitting completion, the control system determines that the press-fitting and the installation of the part are accurately completed.
In some embodiments of the invention, the invention realizes automation by the cooperation of a control system, computer cloud processing, a database, a pressure sensor and a clamp.
In some embodiments of the invention, the pressure of the press fitting of the clamp is limited, and the press fitting force of the clamp does not exceed the limit value when the clamp automatically outputs the adjustment displacement, so that the part is damaged.
The embodiments of the present invention described above do not limit the scope of the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the scope of the present invention as set forth in the appended claims. The present invention is not limited to the above-described embodiments, and various changes may be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present invention. Furthermore, embodiments of the invention and features of the embodiments may be combined with each other without conflict.
Claims (3)
1. The precise force control self-locating assembly method is characterized by comprising the following steps of:
s1: a pressure sensor is arranged in the clamp;
s2: the part is clamped by the clamp for pressure test, and the pressure sensor is used for receiving stress information when the part is pressed;
s3: transmitting the information received by the pressure sensor to a control system of the clamp, and analyzing by the control system through preset process data;
s4: the control system adjusts the position of the clamp and then carries out pressure test again;
s5: when the state information of the pressure sensor is consistent with the process data of the press fitting completion, the press fitting is completed;
in step S3, a database in the control system stores preset process data;
in step S3, the process data includes range matrix information of a film reference, a numerical range of a three-dimensional force direction change, and a set value of the moving range of the clamp;
in step S4, when the control system automatically adjusts the movement of the fixture, the control system performs comprehensive processing by combining the information of the direction of the stress of the comparison part in the database to obtain a final displacement instruction of the fixture;
in step S4, a threshold value of the moving distance and the moving range of the clamp is set in the clamp control system, and the movement of the clamp does not exceed the set threshold value;
in the step S4, the pressure of the clamp press fitting is set with a limit value, and the clamp automatically adjusts the press fitting force not to exceed the limit value;
in step S4, the control system adjusts the position of the clamp in real time according to the preset press-fit range, the press-fit position of the part and the stress information of the part;
in step S4, the control system automatically adjusts the moving direction of the clamp, and performs pressure test when the clamp moves a certain distance, the control system compares the stress information collected by the pressure sensor with the database, and corrects the moving instruction according to the analysis result.
2. The method according to claim 1, wherein in step S1, the pressure sensor is disposed at a tip of the jig.
3. The method according to claim 1, wherein in step S4, the control system performs work through computer cloud processing, the database, the pressure sensor, and the clamp multi-terminal cooperation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211120919.5A CN115582791B (en) | 2022-09-15 | 2022-09-15 | Precise force control self-locating assembly method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211120919.5A CN115582791B (en) | 2022-09-15 | 2022-09-15 | Precise force control self-locating assembly method |
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| Publication Number | Publication Date |
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| CN115582791A CN115582791A (en) | 2023-01-10 |
| CN115582791B true CN115582791B (en) | 2023-05-16 |
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| CN202211120919.5A Active CN115582791B (en) | 2022-09-15 | 2022-09-15 | Precise force control self-locating assembly method |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115582791B (en) * | 2022-09-15 | 2023-05-16 | 佛山市增广智能科技有限公司 | Precise force control self-locating assembly method |
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| JPH08195592A (en) * | 1995-01-17 | 1996-07-30 | Ando Electric Co Ltd | Control method of connector press-fitting device |
| JP2002093031A (en) * | 2000-09-08 | 2002-03-29 | Matsushita Electric Ind Co Ltd | Turntable press-fitting method and device |
| CN101655407A (en) * | 2009-09-02 | 2010-02-24 | 南阳二机石油装备(集团)有限公司 | Automatic pressure test device and pressure test control method of oil extraction well mouth equipment |
| CN103231543A (en) * | 2013-05-07 | 2013-08-07 | 重庆市机电设计研究院 | Full-route high-accuracy servo press mounting method |
| CN105109094A (en) * | 2015-08-28 | 2015-12-02 | 重庆工商职业学院 | High-precision servo press fitting method based on computer |
| CN106378607A (en) * | 2016-10-18 | 2017-02-08 | 南京航空航天大学 | Shaft hole interference assembly automatic press mounting device and method |
| CN108213917A (en) * | 2017-12-23 | 2018-06-29 | 广东若克精密制造科技有限公司 | A kind of precision bearing Horizontal assembling press and its control method |
| CN111044204A (en) * | 2019-12-31 | 2020-04-21 | 珠海三威注塑模具有限公司 | Quick-operation joint pressure equipment process supervisory equipment control system, pressure sensing value monitoring mode and pressure sensing value check mode |
| CN112453872A (en) * | 2020-12-21 | 2021-03-09 | 常州科兴铁路装备有限公司 | GE locomotive axle box bearing press-fitting device and method |
| CN115582791A (en) * | 2022-09-15 | 2023-01-10 | 佛山市增广智能科技有限公司 | Precision force-controlled self-locating assembly method |
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2022
- 2022-09-15 CN CN202211120919.5A patent/CN115582791B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08195592A (en) * | 1995-01-17 | 1996-07-30 | Ando Electric Co Ltd | Control method of connector press-fitting device |
| JP2002093031A (en) * | 2000-09-08 | 2002-03-29 | Matsushita Electric Ind Co Ltd | Turntable press-fitting method and device |
| CN101655407A (en) * | 2009-09-02 | 2010-02-24 | 南阳二机石油装备(集团)有限公司 | Automatic pressure test device and pressure test control method of oil extraction well mouth equipment |
| CN103231543A (en) * | 2013-05-07 | 2013-08-07 | 重庆市机电设计研究院 | Full-route high-accuracy servo press mounting method |
| CN105109094A (en) * | 2015-08-28 | 2015-12-02 | 重庆工商职业学院 | High-precision servo press fitting method based on computer |
| CN106378607A (en) * | 2016-10-18 | 2017-02-08 | 南京航空航天大学 | Shaft hole interference assembly automatic press mounting device and method |
| CN108213917A (en) * | 2017-12-23 | 2018-06-29 | 广东若克精密制造科技有限公司 | A kind of precision bearing Horizontal assembling press and its control method |
| CN111044204A (en) * | 2019-12-31 | 2020-04-21 | 珠海三威注塑模具有限公司 | Quick-operation joint pressure equipment process supervisory equipment control system, pressure sensing value monitoring mode and pressure sensing value check mode |
| CN112453872A (en) * | 2020-12-21 | 2021-03-09 | 常州科兴铁路装备有限公司 | GE locomotive axle box bearing press-fitting device and method |
| CN115582791A (en) * | 2022-09-15 | 2023-01-10 | 佛山市增广智能科技有限公司 | Precision force-controlled self-locating assembly method |
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| CN115582791A (en) | 2023-01-10 |
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