CN109623317B - High-precision automatic micro-assembly method and device for micron-sized metal wires - Google Patents
High-precision automatic micro-assembly method and device for micron-sized metal wires Download PDFInfo
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- CN109623317B CN109623317B CN201910045310.8A CN201910045310A CN109623317B CN 109623317 B CN109623317 B CN 109623317B CN 201910045310 A CN201910045310 A CN 201910045310A CN 109623317 B CN109623317 B CN 109623317B
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Abstract
The invention provides a high-precision automatic micro-assembly method and device for a micron-sized metal wire, and relates to the technical field of mechanical micro-assembly. Under the real-time monitoring of the metal wire micro-assembly on-line detection system and the micro-wire assembly pre-tensioning and micro-force detection system, the automatic winding assembly and the automatic gluing of the micron-sized metal wire are completed. The automatic micro-assembly method for the micron-sized metal wires with high precision is simple and efficient to operate, high in assembly precision and good in consistency, and can achieve automatic high-standard consistency micro-assembly.
Description
Technical Field
The invention relates to the technical field of automatic micro-assembly, in particular to a high-precision automatic micro-assembly method and device for micron-sized metal wires.
Background
The assembly problem of the fine wire that has high flexibility is a difficult problem in little assembly technical field, needs to ensure that the even equidistant winding of wire is in cylindrical micro-component groove, still requires that the wire can have certain pretightning force to guarantee that it can closely laminate at the cylinder, still needs to guarantee simultaneously that the wire can firmly fix on the cylinder surface. Generally, the assembly precision of the micro-parts is difficult to effectively control, the uniform winding and fixing of the wires are difficult to efficiently finish, the breakage of the wires is easily caused by the uneven application of external force, and the assembly effect is difficult to ensure due to the large assembly difficulty and high precision of the micro-parts.
Through investigation and discovery, accomplish the wire at present and assemble the process a little, mostly still adopt manual mode, assembly precision and uniformity are difficult to guarantee, and assembly efficiency relies on workman's assembly level and proficiency, is difficult to increase substantially production efficiency.
Disclosure of Invention
In view of the above, the present invention provides a high-precision automatic micro-assembly method for micron-sized metal wires, which can quickly and efficiently complete automatic winding and assembly of micron-sized metal wires, and is convenient for controlling uniform and consistent stress in the process of winding and assembly of micron-sized metal wires, so as to ensure consistency of assembly precision and realize automatic high-standard consistency micro-assembly.
The invention also aims to provide a high-precision automatic micro-assembly device for the micron-sized metal wires, which comprises a metal wire micro-assembly operation table, a micro-wire assembly pre-tensioning and micro-force detection system, a micro-wire rapid dispensing system, a metal wire micro-assembly on-line detection system and a visual monitoring system. The wire winding assembly can be quickly and efficiently completed, the automation degree is high, the uniform and consistent stress in the wire winding assembly process is convenient to control, the assembly precision is ensured, and the automatic high-standard-consistency micron-sized wire automatic assembly can be realized.
The technical problem of the invention is solved by adopting the following technical scheme.
The invention provides a high-precision automatic micro-assembly method of micron-sized metal wires, which comprises the following steps:
a. the initial fixing stage of automatic wire winding: and fixing the columnar micro part to be wound on a metal wire micro-assembly operating platform, and tightly matching with the columnar vacuum adsorption type micro part fixing seat. And fixing one end of the micron-sized metal wire on the metal wire micro-assembly operating platform, and fixing the other end of the micron-sized metal wire on the micro-wire assembly pre-tensioning and micro-force detection system. And adjusting the metal wire micro-assembly operation platform to enable the micron-sized metal wire to be positioned in the wire winding groove of the columnar micro-part to be wound, and dispensing and fixing. And rotating the cylindrical vacuum adsorption type micro-part fixing seat, uniformly winding the micron-sized metal wires on the cylindrical micro-part to be wound, and performing automatic winding assembly and automatic gluing, wherein the automatic winding assembly and the automatic gluing process are completed under the real-time monitoring of a metal wire micro-assembly online detection system and a micro-wire assembly pretensioning and micro-force detection system. And obtaining the initial assembly wire winding component.
b. Defect detection and post-treatment stages: and carrying out defect detection on the initially assembled wire winding component through a measuring microscope, carrying out corresponding cutting treatment operation, and cutting the micron-sized metal wires at two ends of the columnar micro part to be wound. And checking whether the micron-sized metal wires at the two ends of the initial assembly wire winding assembly are out of grooves or loose and have electric conductivity. And obtaining a semi-finished product wire winding component, and ensuring the assembly qualification rate of the initial assembly wire winding component.
c. Automatic coating stage of special low-temperature glue: and carrying out automatic secondary coating operation of special low-temperature glue on the semi-finished product wire winding assembly to obtain the metal wire winding finished product assembly.
d. An off-line curing stage: and placing the metal wire winding finished product assembly in a curing box, and placing the metal wire winding finished product assembly in a curing storage area for curing for a preset time to obtain a final product.
Further, in the step of the initial fixing stage of automatic winding, the method further comprises the following steps:
1, adopting a vacuum adsorption type nondestructive fixing mode for the columnar micro part to be wound and the metal wire micro assembly operation platform, and enabling the columnar micro part to be wound and the columnar vacuum adsorption type micro part fixing seat to be tightly matched.
a2, fixing one end of the micron-sized metal wire on the side wall of the cylindrical vacuum adsorption type micro-part fixing seat with the adhesive film, and ensuring that the micron-sized metal wire is fixed reliably and unchanged in position.
a3, symmetrically clamping the other end of the micron-sized metal wire through a microwire pre-tightening lower pressure adjusting table and a microwire pre-tightening upper pressure adjusting table of a microwire assembly pre-tightening and micro-force detection system to realize pre-fixation.
a4, pre-pressing the metal wire by the micro-wire pre-tightening lower pressure adjusting table and the micro-wire pre-tightening upper pressure adjusting table by simultaneously adopting the same micro-force up and down, and detecting and feedback adjusting the pressing force and the tensioning force in real time by the micro-force sensor to ensure the stable fixation and the optimal pre-tightening force and tensioning force of the other end of the micron-sized metal wire.
Further, in the step of the initial fixing stage of automatic winding, the method further comprises the following steps:
a5, adjusting the height of the metal wire micro-assembly operating platform to enable the tensioned micron-sized metal wire to be embedded into a wire winding groove of the metal wire columnar micro-part to be wound.
a6, performing initial point dispensing and initial fixing on the micron-sized metal wire initially embedded in the wire winding groove through an automatic dispensing hand module of the micro-wire rapid dispensing system.
a7, realizing the automatic and uniform winding of the micron-sized metal wire in the wire winding groove of the cylindrical micro part to be wound by the automatic constant-speed rotation of the cylindrical vacuum adsorption type micro part fixing seat.
Further, in the step of the initial fixing stage of automatic winding, the method further comprises the following steps:
a8, under the real-time monitoring of the wire micro-assembly on-line detection system, matching with the micro-wire rapid dispensing system to perform real-time automatic quantitative dispensing operation on the micron-sized wire wound into the wire winding groove.
a9, monitoring the wire winding groove in real time through the wire micro-assembly online detection system, and combining with real-time up-and-down adjustment of the wire micro-assembly operating platform to prevent the micron-sized wire from separating from the wire winding groove, thereby realizing real-time monitoring feedback of the step a 7.
a10, monitoring the pretightening force of the metal wire in real time through the microwire assembly pretensioning and micro-force detection system, and adjusting up and down in real time to ensure that the micron-sized metal wire has constant tensioning force, so that the uniformity and consistency of automatic winding and assembly of the micron-sized metal wire are ensured, and the real-time monitoring feedback of the step a7 is realized.
a11, realizing the winding assembly of the micron-sized metal wire with specific length by the automatic fixed-speed rotation and fixed number of turns of the cylindrical vacuum adsorption type micro-part fixing seat.
a12, cutting two ends of the micron-sized metal wire respectively by using a blade, taking the metal wire off the metal wire micro-assembly operating platform, visually observing whether the metal wire has obvious defects, returning to the step a1 to execute again if the metal wire has the obvious defects, and obtaining the initial assembly wire winding component if the metal wire has no defects.
Further, in the defect detecting and post-processing step, the method further includes:
b1, moving the primary assembly winding assembly to the measuring microscope for microscopic defect and defect detection, and returning to the step a1 to be executed again if an obvious unqualified product exists, so as to ensure the qualification rate of the final product of the primary assembly winding assembly.
b2, cutting the metal wires at the two ends of the initial assembly wire winding component into specific equal lengths by a blade, and ensuring the effective use length of the micron-sized metal wires.
Further, in the defect detecting and post-processing step, the method further includes:
b3, under the monitoring of the measuring microscope, slightly scraping the insulating coating layers on the surfaces of the metal wires at the two ends of the initial assembly wire winding assembly by a blade to a specific length to expose the metal wire conducting core with a fixed length.
b4, detecting the conductive cores of the metal wires at the two ends of the primary assembly winding assembly through an electronic multimeter, judging whether the conductive cores have electric conductivity, and returning to the step a1 to be executed again if the conductive cores do not have electric conductivity.
b5, labeling and uniformly numbering the initial assembly wire winding components which finish all detection and post-treatment processes, thereby obtaining the semi-finished product wire winding components.
Further, in the step of the automatic coating stage of the special low-temperature adhesive, the method further comprises the following steps:
c1, fixedly placing the semi-finished product wire winding assembly on the metal wire micro-assembly operating platform, and tightly matching the semi-finished product wire winding assembly with the cylindrical vacuum adsorption type micro-part fixing seat in a vacuum adsorption type nondestructive fixing mode.
c2, under the real-time monitoring guidance of the wire micro-assembly on-line detection system, automatically rotating the cylindrical vacuum adsorption type micro-part fixing seat at a constant speed, detecting whether the whole assembly has defects or defects, and if so, returning to the step a1 to execute again.
Further, in the step of the automatic coating stage of the special low-temperature adhesive, the method further comprises the following steps:
c3, under the real-time monitoring of the wire micro-assembly on-line detection system, the real-time automatic quantitative dispensing operation of special low-temperature glue is carried out on the winding groove of the rotating semi-finished product winding assembly by matching with the micro-wire rapid dispensing system, so as to ensure the uniformity and consistency of the thickness of the coating adhesive layer.
And c4, monitoring the gluing process in real time through the metal wire micro-assembly online detection system, and automatically adjusting the metal wire micro-assembly online detection system in cooperation with the micro-wire rapid glue dispensing system to prevent the overflow and the flow of glue solution.
c5, realizing special low-temperature glue coating with a specific thickness by the automatic fixed-speed rotation and fixed turns of the cylindrical vacuum adsorption type micro-part fixing seat, and finishing the automatic secondary glue coating process to obtain the metal winding finished product assembly.
The invention provides a high-precision automatic micro-assembly device for micron-sized metal wires, which comprises a metal wire micro-assembly operation platform, a micro-wire assembly pre-tensioning and micro-force detection system, a micro-wire rapid dispensing system, a metal wire micro-assembly online detection system and a visual monitoring system. The metal wire micro-assembly operating platform is used for fixedly mounting a columnar micro part to be wound, the columnar micro part to be wound is fixedly connected with one end of a micron-sized metal wire, and the other end of the micron-sized metal wire is fixedly arranged on the micro wire assembly pre-tensioning and micro force detection system. The metal wire micro-assembly operation table rotates, the columnar micro-part to be wound rotates along with the metal wire micro-assembly operation table, and the micron-sized metal wire is automatically wound in the wire winding groove of the columnar micro-part to be wound. The micro-wire rapid dispensing system automatically and quantitatively dispenses the micro-wires and the columnar micro-parts to be wound with wires, and the metal wire micro-assembly online detection system is matched with a visual monitoring system and used for detecting and adjusting the stress of the micro-wires, the relative positions of the micro-wires and the wire winding grooves and the rotating speed of the metal wire micro-assembly operating platform in real time in the metal wire winding and assembling process.
Furthermore, the metal wire micro-assembly operating platform comprises a cylindrical vacuum adsorption type micro-part fixing seat, an adhesive film is arranged on the cylindrical vacuum adsorption type micro-part fixing seat, and the cylindrical micro-part to be wound is fixed on the cylindrical vacuum adsorption type micro-part fixing seat with the adhesive film in a vacuum adsorption mode.
The high-precision automatic micro-assembly method and the device for the micron-sized metal wires have the following beneficial effects:
according to the high-precision automatic micro-assembly method for the micron-sized metal wire, a columnar micro part to be wound with the wire is fixed on a metal wire micro-assembly operation table, one end of the micron-sized metal wire is fixed on the metal wire micro-assembly operation table, and the other end of the micron-sized metal wire is fixed on a micro-wire assembly pre-tensioning and micro-force detection system. Adjusting a metal wire micro-assembly operation platform to enable a metal wire to be located in a wire winding groove of a columnar micro part to be wound and fixed, rotating the metal wire micro-assembly operation platform to automatically wind the metal wire into the wire winding groove of the columnar micro part to be wound, ensuring that the pressure borne by the metal wire in the winding process is uniform and consistent by a micro-wire assembly pre-tensioning and micro-force detection system, and completing the automatic winding assembly and glue dispensing and fixing processes of micron-sized metal wires under the real-time monitoring of the metal wire micro-assembly on-line detection system and the micro-wire assembly pre-tensioning and micro-force detection system. The micron-sized metal wire high-precision automatic micro-assembly method is simple and convenient to operate, high in assembly precision, high in efficiency, good in consistency and capable of achieving automatic high-standard consistency micro-assembly.
The micron-sized metal wire high-precision automatic micro-assembly device provided by the invention is suitable for the micron-sized metal wire high-precision automatic micro-assembly method, is convenient for quickly and efficiently completing the winding assembly of metal wires, is simple and convenient to operate, has high assembly precision, high efficiency and good consistency, and can realize automatic high-standard consistency micro-assembly.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a general flow chart of a method for high precision automatic micro-assembly of micro-scale wires according to an embodiment of the present invention;
fig. 2 is a flowchart illustrating the specific operation of step a in the method for high-precision automatic micro-assembly of micro-scale metal wires according to this embodiment;
fig. 3 is a flowchart illustrating the specific operation of step b in the method for high-precision automatic micro-assembly of micro-scale metal wires according to this embodiment;
fig. 4 is a flowchart illustrating the specific operation of step c in the method for high-precision automatic micro-assembly of micro-scale metal wires according to this embodiment;
fig. 5 is a schematic view of the overall structure of the micrometer-sized wire high-precision automatic micro-assembling device provided in this embodiment;
fig. 6 is a schematic view of an application scene structure of a wire micro-assembly on-line detection system of the micron-sized wire high-precision automatic micro-assembly device provided in this embodiment;
fig. 7 is a schematic structural view of a cylindrical vacuum adsorption type micro-part holder and a metal wire cylindrical micro-part to be wound of the micro-assembly device for high-precision automatic micro-assembly of micron-sized metal wires according to the present embodiment;
fig. 8 is a schematic view of an application scene structure of the microwire rapid dispensing system, the wire micro-assembly operation console, the microwire assembly pre-tensioning and micro-force detection system of the micron-sized wire high-precision automatic micro-assembly device provided in this embodiment.
Icon: 1, a metal wire micro-assembly online detection system; 2, a metal wire micro-assembly operation table; 23 column vacuum adsorption type micro-part fixing seat; 3 assembling a pretension and micro-force detection system by the micro-wires; 31 microfilament pre-tightening down pressure adjusting table; pre-tightening the 32 microwires on a pressure adjusting table; 4 a micro-wire rapid dispensing system; 5, a visual monitoring system; 6, a device workbench; 7, metal wire columnar micro parts to be wound; 8 micron-sized metal wires; 11 a first visual detection module in the horizontal X-axis direction; 12 a second visual detection module in the horizontal Y-axis direction; 21 operating the mechanical motion module of the table; 22 an anti-winding rotary air transmission module; 41 dispensing hand mechanical motion module; 42 automatic dispensing hand module.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, or orientations or positional relationships that are conventionally placed when products of the present invention are used, or orientations or positional relationships that are conventionally understood by those skilled in the art, and are used only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the equipment or elements that are referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
The terms "first", "second", etc. in the description of the present invention are used for distinguishing between them and not for distinguishing between them.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed" and "mounted" are to be construed broadly, e.g., as being fixedly attached, detachably attached, or integrally attached; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
First embodiment
Referring to fig. 1, the present embodiment provides a high-precision automatic micro-assembly method for micron-sized metal wires, which includes a automatic winding and initial fixing stage, a defect detecting and post-processing stage, a special low-temperature glue automatic coating stage, and a d off-line curing stage. The micron-sized metal wire high-precision automatic micro-assembly method can be used on a micron-sized metal wire high-precision automatic micro-assembly device to complete the winding assembly of the micron-sized metal wire. The specific operation method comprises the following steps:
a. the initial fixing stage of automatic wire winding: the metal wire columnar micro part 7 to be wound is fixed on the metal wire micro assembly operation platform 2 and is tightly matched with the columnar vacuum adsorption type micro part fixing seat 23. One end of the micron-sized metal wire 8 is fixed on the metal wire micro-assembly operation platform 2, and the other end is fixed on the micro-wire assembly pre-tensioning and micro-force detection system 3. And adjusting the metal wire micro-assembly operating platform 2 to enable the micron-sized metal wire 8 to be positioned in the wire winding groove of the metal wire columnar micro-part 7 to be wound, and dispensing and fixing. Rotating the cylindrical vacuum adsorption type micro-part fixing seat 23, uniformly winding the micron-sized metal wire 8 on the metal wire cylindrical micro-part 7 to be wound, automatically winding, assembling and automatically gluing, wherein the automatic winding, assembling and automatic gluing processes are completed under the real-time monitoring of the metal wire micro-assembly on-line detection system 1 and the micro-wire assembly pre-tensioning and micro-force detection system 3, and thus the initially assembled wire winding assembly is obtained.
b. Defect detection and post-treatment stages: defect detection is carried out on the initially assembled winding assembly through a measuring microscope, corresponding cutting processing operation is carried out, micron-sized metal wires 8 at two ends of a metal wire columnar micro part 7 to be wound are cut, and whether the micron-sized metal wires 8 at two ends of the initially assembled winding assembly are separated from grooves or loosened and have electric conductivity or not is checked; obtaining a semi-finished product wire winding component, and ensuring the assembly qualification rate of the initial assembly wire winding component;
c. automatic coating stage of special low-temperature glue: carrying out automatic secondary coating operation of special low-temperature glue on the semi-finished product wire winding assembly to obtain a metal wire winding finished product assembly;
d. an off-line curing stage: and placing the metal wire winding finished product assembly in a curing box, and placing the metal wire winding finished product assembly in a curing storage area for curing for a preset time to obtain a final product.
As shown in fig. 2, the specific operation flow of step a is as follows:
a1, adopting a vacuum adsorption type nondestructive fixing mode, fixedly placing the metal wire columnar micro part 7 to be wound on the metal wire micro-assembly operating platform 2 of the micron-sized metal wire high-precision automatic micro-assembly equipment, and tightly matching with the columnar vacuum adsorption type micro part fixing seat 23.
a2, fixing one end of the micron-sized metal wire 8 on the side wall of the cylindrical vacuum adsorption type micro-part fixing seat 23 with the adhesive film, and ensuring the metal wire to be fixed reliably and unchanged in position.
a3, symmetrically clamping the other end of the micron-sized metal wire 8 by a microwire pre-tightening lower pressure adjusting table 31 and a microwire pre-tightening upper pressure adjusting table 32 of the microwire assembling pre-tightening and micro-force detecting system 3 to realize pre-fixing.
a4, pre-pressing the metal wire by the micro-wire pre-tightening lower pressure adjusting table 31 and the micro-wire pre-tightening upper pressure adjusting table 32 by simultaneously using the same micro-force up and down, and detecting and feedback adjusting the pressing force and the tension force in real time by the micro-force sensor to ensure the stable fixation and the optimal pre-tightening force and tension force of the other end of the micron-sized metal wire 8.
a5, adjusting the height of the metal wire micro-assembly operating platform 2, and enabling the tensioned micron-sized metal wire 8 to be just embedded into the wire winding groove of the metal wire cylindrical micro-part 7 to be wound.
a6, the micro-meter metal wire 8 which is initially embedded into the wire winding groove is initially fixed by the automatic dispensing hand module 42 of the micro-wire rapid dispensing system 4.
a7, realizing the automatic and uniform winding of the micron-sized metal wire 8 in the wire winding groove of the metal wire columnar micro-part 7 to be wound by the automatic constant-speed rotation of the columnar vacuum adsorption-type micro-part fixing seat 23.
a8, under the real-time monitoring of the wire micro-assembly on-line detection system 1, the micro-wire fast dispensing system 4 is matched to perform real-time automatic quantitative dispensing operation on the micron-sized wire 8 wound into the wire winding groove.
a9, monitoring the wire winding groove in real time through the wire micro-assembly online detection system 1, and combining the real-time up-and-down adjustment of the wire micro-assembly operating platform 2 to prevent the groove shedding condition of the micron-sized wire 8 and realize the real-time monitoring feedback of the step a 7. If the groove is removed, the micron-sized metal wire 8 is adjusted to the winding groove, and the process returns to the step a 7.
a10, the metal wire pre-tightening force is monitored in real time through the micro-wire assembly pre-tightening and micro-force detection system 3, and real-time up and down adjustment is carried out, so that the micron-sized metal wire 8 has constant tightening force, the uniformity and consistency of automatic winding and assembly of the micron-sized metal wire 8 are ensured, and the real-time monitoring feedback of the step a7 is realized. The microwire assembly pretensioning and micro-force detection system 3 monitors the micron-sized metal wire 8 on line and judges whether the loosening condition occurs. If the wire is loosened, the tension and the pretightening force of the micron-sized wire 8 are adjusted, and the step a7 is returned.
a11, realizing the winding assembly of micron-sized metal wires 8 with specific length by the automatic fixed-speed rotation and fixed turns of the cylindrical vacuum adsorption type micro-part fixing seat 23, and finishing the primary winding and fixing process of the metal wires.
a12, cutting two ends of the micron-sized metal wire 8 by using blades respectively, taking the metal wire off the metal wire micro-assembly operating platform 2, visually inspecting whether obvious flaws exist or not, if the obvious flaws exist, reselecting a part to be assembled, and returning to the step a1 to execute again; if no obvious flaw exists, the initial assembly winding assembly is obtained.
Referring to fig. 3, the specific operation flow of step b is as follows:
b1, moving the primary assembly winding assembly to a measuring microscope for microscopic defect and defect detection, judging whether defect and defect exist, if so, eliminating the assembly product, returning to the step a1 for re-execution, and ensuring the final product qualification rate of the primary assembly winding assembly.
b2, cutting the metal wires at the two ends of the initial assembly wire winding component into specific equal lengths by using blades, and ensuring the effective use length of the micron-sized metal wires 8.
b3, slightly scraping the insulation coating layers on the surfaces of the metal wires at the two ends of the initial assembly wire winding component by a blade with a specific length under the monitoring of a measuring microscope, and exposing the metal wire conducting core with a fixed length.
b4, detecting the conductive cores of the metal wires at the two ends of the initial assembly winding assembly through an electronic multimeter, judging whether the conductive cores have electric conductivity, if the conductive cores do not have the electric conductivity, eliminating the assembly product, and returning to the step a1 to execute again.
b5, labeling and uniformly numbering the initial assembly wire winding components which finish all detection and post-treatment processes, thereby obtaining semi-finished product wire winding components.
Referring to fig. 4, the specific operation flow of step c is as follows:
c1, fixedly placing the semi-finished product wire winding assembly on the metal wire micro-assembly operating platform 2, and tightly matching with the cylindrical vacuum adsorption type micro-part fixing seat 23 in a vacuum adsorption type nondestructive fixing mode.
c2, under the real-time monitoring and guiding of the wire micro-assembly on-line detection system 1, automatically rotating the cylindrical vacuum adsorption type micro-part fixing seat 23 at a constant speed, detecting whether the whole assembly has defects or defects, if so, eliminating the assembly product, and returning to the step a1 to execute again.
c3, under the real-time monitoring of the wire micro-assembly on-line detection system 1, the wire winding groove of the rotating semi-finished product wire winding assembly is subjected to the real-time automatic quantitative dispensing operation of special low-temperature glue by matching with the micro-wire rapid dispensing system 4, so that the uniformity and consistency of the thickness of the coating adhesive layer are ensured.
c4, monitoring the gluing process in real time through the metal wire micro-assembly on-line detection system 1, and automatically adjusting the gluing process by matching with the micro-wire rapid glue dispensing system 4 to prevent the overflow and the flow of glue solution.
c5, automatically rotating at a constant speed for a fixed number of turns by the cylindrical vacuum adsorption type micro-part fixing seat 23 to realize special low-temperature glue coating with a specific thickness, and finishing the automatic secondary glue coating process to obtain the metal winding finished product assembly.
In the step d, during curing, the metal wire winding finished product assembly is taken down from the metal wire micro-assembly operation table 2, placed in a curing box and stored in a curing storage area, and the final product is obtained after off-line curing is carried out for 24 hours.
Second embodiment
Referring to fig. 5, the present embodiment provides a high precision automatic micro-assembly apparatus for micro-scale metal wires, which is suitable for the above mentioned high precision automatic micro-assembly method for micro-scale metal wires. The device comprises a device workbench 6 and a metal wire micro-assembly operation platform 2 installed on the device workbench 6, a micro-wire assembly pre-tensioning and micro-force detection system 3, a micro-wire rapid glue dispensing system 4, a metal wire micro-assembly online detection system 1 and a visual monitoring system 5, wherein the metal wire micro-assembly operation platform 2 is used for fixedly installing a metal wire column to-be-wound micro part 7, the metal wire column to-be-wound micro part 7 is fixedly connected with one end of a micron-sized metal wire 8, the other end of the micron-sized metal wire 8 is fixedly arranged on the micro-wire assembly pre-tensioning and micro-force detection system 3, the metal wire micro-assembly operation platform 2 rotates, the metal wire column to-be-wound micro part 7 rotates along with the metal wire column, and the micron-sized metal wire 8 is automatically wound in a wire winding groove of the metal wire column to-be. The micro-wire rapid dispensing system 4 automatically dispenses the micro-components to be wound with the micro-wires 8 and the metal wire columns 7 in a quantitative mode, and the detection module is used for matching with the visual monitoring system 5 in the process of winding and assembling the micro-wires 8 to detect and adjust the stress of the micro-wires 8, the relative positions of the micro-wires 8 and the wire winding grooves, the working state of the micro-wire rapid dispensing system 4 and the rotating speed of the metal wire micro-assembly operating platform 2 in real time.
Specifically, as shown in fig. 6 and 7, the wire micro-assembly on-line detection system 1 includes a first visual detection module 11 in the horizontal X-axis direction and a second visual detection module 12 in the horizontal Y-axis direction, where the first visual detection module 11 in the horizontal X-axis direction and the second visual detection module 12 in the horizontal Y-axis direction are respectively disposed on two sides of the wire micro-assembly operation platform 2, and are used for detecting the wire micro-assembly operation platform 2 from different directions. Preferably, the present embodiment employs two horizontal visual detection units, and the detection directions of the two visual detection units are perpendicular to each other. The metal wire micro-assembly operating platform 2 comprises an operating platform mechanical motion module 21, an anti-winding rotary air transmission module 22 and a cylindrical vacuum adsorption type micro-part fixing seat 23, the operating platform mechanical motion module 21 is installed on the equipment workbench 6, the anti-winding rotary air transmission module 22 is connected with the operating platform mechanical motion module 21, and the cylindrical vacuum adsorption type micro-part fixing seat 23 is connected with the anti-winding rotary air transmission module 22. Be equipped with the adhesion film on the little part fixing base 23 of cylindricality vacuum adsorption formula, the wire column is waited to twine a little part 7 and is fixed on the little part fixing base 23 of cylindricality vacuum adsorption formula that has the adhesion film through the vacuum adsorption mode, realizes closely cooperating, and is fixed more firmly.
Referring to fig. 8, the microwire assembling pretensioning and micro-force detecting system 3 includes a microwire pretensioning lower pressure adjusting stage 31 and a microwire pretensioning upper pressure adjusting stage 32. One end of the micron-sized metal wire 8, which is far away from the metal wire micro-assembly operating platform 2, is clamped between the microwire pre-tightening lower pressure adjusting platform 31 and the microwire pre-tightening upper pressure adjusting platform 32. The microwire pretension lower pressure adjusting table 31 and the microwire pretension upper pressure adjusting table 32 simultaneously and symmetrically clamp the micron-sized metal wire 8 from two directions, apply pretension to the micron-sized metal wire 8, and fix the micron-sized metal wire 8.
Force sensors are respectively arranged on the microwire pre-tightening lower pressure adjusting table 31 and the microwire pre-tightening upper pressure adjusting table 32, pressing force and tensioning force applied to the micron-sized metal wire 8 can be detected in real time and fed back to the control system, the control system adjusts the stress of the micron-sized metal wire 8 in real time according to feedback information, one end, far away from the cylindrical vacuum adsorption type micro-part fixing seat 23, of the micron-sized metal wire 8 is reliably fixed, and the pre-tightening force and the tensioning force applied to the micron-sized metal wire 8 are in the optimal state.
The micro-wire rapid dispensing system 4 comprises a dispensing hand mechanical motion module 41 and an automatic dispensing hand module 42, the automatic dispensing hand module 42 comprises a retractable rubber storage tube and a micro-capillary dispensing needle which are connected with each other, the retractable rubber storage tube is installed on the dispensing hand mechanical motion module 41, and the micro-capillary dispensing needle is used for outputting glue liquid to a to-be-dispensed area of the metal wire column-shaped to-be-wound micro part 7 uniformly and stably, so that precise dispensing and gluing operations of the metal wire column-shaped to-be-wound micro part 7 are realized.
In conclusion, the high-precision automatic micro-assembly method and device for the micron-sized metal wires have the following beneficial effects:
according to the high-precision automatic micro-assembly method for the micron-sized metal wire, a metal wire columnar micro part 7 to be wound with the metal wire is fixed on a metal wire micro-assembly operation table 2, one end of a micron-sized metal wire 8 is fixed on the metal wire micro-assembly operation table 2, and the other end of the micron-sized metal wire is fixed on a micro-wire assembly pre-tensioning and micro-force detection system 3. Adjusting the metal wire micro-assembly operating platform 2 to enable the micron-sized metal wire 8 to be located in and fixed to a wire winding groove of the metal wire cylindrical micro-part 7 to be wound, rotating the metal wire micro-assembly operating platform 2 to automatically wind the micron-sized metal wire 8 into the wire winding groove of the metal wire cylindrical micro-part 7 to be wound, and ensuring that the pressure applied to the micron-sized metal wire 8 in the winding process is uniform and consistent through the micro-wire assembly pre-tensioning and micro-force detection system 3. And then the qualification rate of the final product is ensured through defect detection and post-treatment stage, special low-temperature glue automatic coating stage and off-line curing stage. The micron-sized metal wire high-precision automatic micro-assembly method is simple and convenient to operate, high in assembly precision, high in efficiency, good in consistency and capable of achieving automatic high-standard consistency micro-assembly.
The micron-sized metal wire high-precision automatic micro-assembly device provided by the invention is suitable for the micron-sized metal wire high-precision automatic micro-assembly method, is convenient for rapidly and efficiently completing the winding assembly of the micron-sized metal wire 8, is simple and convenient to operate, has high assembly precision, high efficiency and good consistency, and can realize automatic high-standard consistency micro-assembly.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the present invention, as it will be apparent to those skilled in the art that various modifications, combinations and variations can be made in the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A high-precision automatic micro-assembly method for micron-sized metal wires is characterized by comprising the following steps:
a. the initial fixing stage of automatic wire winding: fixing a metal wire columnar micro part (7) to be wound on a metal wire micro assembly operation table (2), and tightly matching with a columnar vacuum adsorption type micro part fixing seat (23); one end of a micron-sized metal wire (8) is fixed on the metal wire micro-assembly operation table (2), and the other end of the micron-sized metal wire is fixed on the micro-wire assembly pre-tensioning and micro-force detection system (3); adjusting the metal wire micro-assembly operating platform (2) to enable the micron-sized metal wire (8) to be positioned in a wire winding groove of the metal wire columnar micro-part (7) to be wound, and dispensing and fixing; rotating the cylindrical vacuum adsorption type micro-part fixing seat (23), uniformly winding the micron-sized metal wire (8) on the metal wire cylindrical micro-part (7) to be wound, and performing automatic winding assembly and automatic gluing, wherein the automatic winding assembly and the automatic gluing process are completed under the real-time monitoring of the metal wire micro-assembly online detection system (1) and the micro-wire assembly pre-tensioning and micro-force detection system (3); obtaining an initial assembly wire winding assembly;
b. defect detection and post-treatment stages: defect detection is carried out on the initial assembly wire winding component through a measuring microscope, corresponding cutting processing operation is carried out, the micron-sized metal wires (8) at two ends of the metal wire columnar micro part (7) to be wound are cut, and whether the micron-sized metal wires (8) at two ends of the initial assembly wire winding component are out of grooves or loose or not and whether the micron-sized metal wires have electric conductivity or not is checked; obtaining a semi-finished product wire winding assembly, and ensuring the assembly qualification rate of the initial assembly wire winding assembly;
c. automatic coating stage of special low-temperature glue: carrying out automatic secondary coating operation of special low-temperature glue on the semi-finished product wire winding assembly to obtain a metal wire winding finished product assembly;
d. an off-line curing stage: and placing the metal wire winding finished product assembly in a curing box, and placing the metal wire winding finished product assembly in a curing storage area for curing for a preset time to obtain a final product.
2. The method for high-precision automatic micro-assembling of micron-sized metal wires according to claim 1, wherein the step of the automatic wire winding initial fixing stage further comprises:
a1, adopting a vacuum adsorption type nondestructive fixing mode for the metal wire columnar micro part (7) to be wound and the metal wire micro assembly operating platform (2), and tightly matching the metal wire columnar micro part (7) to be wound with the columnar vacuum adsorption type micro part fixing seat (23);
a2, fixing one end of the micron-sized metal wire (8) on the side wall of a cylindrical vacuum adsorption type micro-part fixing seat (23) with an adhesive film, and ensuring that the micron-sized metal wire (8) is fixed reliably and unchanged in position;
a3, symmetrically clamping the other end of the micron-sized metal wire (8) through a microwire pre-tightening lower pressure adjusting table (31) and a microwire pre-tightening upper pressure adjusting table (32) of a microwire assembly pre-tightening and micro-force detection system (3) to realize pre-fixation;
a4, pre-pressing the metal wire by the microwire pre-tightening lower pressure adjusting table (31) and the microwire pre-tightening upper pressure adjusting table (32) by the same microworce up and down at the same time, and detecting and feedback adjusting the pressing force and the tension force in real time by the microwire sensor to ensure the stable fixation and the optimal pre-tightening force and tension force of the other end of the micron-sized metal wire (8).
3. The method for high precision automatic micro-assembling of micron-sized metal wires according to claim 2, wherein the step of the automatic wire winding initial fixing stage further comprises:
a5, adjusting the height of the metal wire micro-assembly operating platform (2) to enable the tensioned micron-sized metal wire (8) to be embedded into a wire winding groove of the metal wire columnar micro-part (7) to be wound;
a6, performing initial point dispensing and initial fixing on the micron-sized metal wire (8) which is initially embedded into the wire winding groove through an automatic dispensing hand module (42) of the micro-wire rapid dispensing system (4);
a7, realizing the automatic and uniform winding of the micron-sized metal wire (8) in the wire winding groove of the metal wire cylindrical micro part (7) to be wound by the automatic constant-speed rotation of the cylindrical vacuum adsorption type micro part fixing seat (23).
4. The method for high precision automatic micro-assembling of micron-sized metal wires according to claim 3, wherein the step of the automatic wire winding initial fixing stage further comprises:
a8, under the real-time monitoring of the wire micro-assembly on-line detection system (1), matching with the micro-wire rapid dispensing system (4) to perform real-time automatic quantitative dispensing operation on the micron-sized wire (8) wound into the wire winding groove;
a9, monitoring the wire winding groove in real time through the wire micro-assembly online detection system (1), and combining with real-time up-and-down adjustment of the wire micro-assembly operating platform (2), preventing the micron-sized wire (8) from separating from the wire winding groove, so as to realize real-time monitoring feedback of the step a 7;
a10, monitoring the pretightening force of the metal wire in real time through the microwire assembly pretensioning and micro-force detection system (3), and adjusting up and down in real time to ensure that the micron-sized metal wire (8) has constant tensioning force, so that the uniformity and consistency of automatic winding assembly of the micron-sized metal wire (8) are ensured, and the real-time monitoring feedback of the step a7 is realized;
a11, realizing the winding assembly of the micron-sized metal wire (8) with preset length by the automatic fixed-speed rotation and fixed number of turns of the cylindrical vacuum adsorption type micro-part fixing seat (23);
a12, cutting two ends of the micron-sized metal wire (8) by using blades respectively, taking the micro-assembly metal wire from the metal wire micro-assembly operating platform (2), visually observing whether obvious defects exist, returning to the step a1 to execute again if obvious defects exist, and obtaining the initial assembly winding assembly if no obvious defects exist.
5. A method for high precision automated micro-assembly of micro-scale wires according to claim 1, wherein the defect detection and post-processing step further comprises:
b1, moving the primary assembly wire winding assembly to the measuring microscope for microscopic defect and defect detection, and returning to the step a1 to be executed again if an obvious unqualified product exists, so as to ensure the qualification rate of the final product of the primary assembly wire winding assembly;
b2, cutting the metal wires at the two ends of the initial assembly wire winding component into equal first preset lengths by a blade, and ensuring the effective use length of the micron-sized metal wires (8).
6. The method according to claim 5, wherein said defect detection and post-processing step further comprises:
b3, under the monitoring of the measuring microscope, slightly scraping the insulating coating layers on the surfaces of the metal wires at the two ends of the initial assembly wire winding assembly by a preset second length by using a blade, and exposing a metal wire conducting core with the second length;
b4, detecting the conductive cores of the metal wires at the two ends of the initial assembly wire winding component through an electronic multimeter, judging whether the conductive cores have electric conductivity, and returning to the step a1 to execute again if the conductive cores do not have electric conductivity;
b5, labeling and uniformly numbering the initial assembly wire winding components which finish all detection and post-treatment processes, thereby obtaining the semi-finished product wire winding components.
7. The method for high-precision automatic micro-assembly of micron-sized metal wires according to claim 3, wherein the step of the automatic coating stage of the special low-temperature adhesive further comprises the following steps:
c1, fixedly placing the semi-finished product wire winding assembly on the metal wire micro-assembly operating platform (2), and tightly matching with the cylindrical vacuum adsorption type micro-part fixing seat (23) in a vacuum adsorption type nondestructive fixing mode;
c2, under the real-time monitoring guidance of the wire micro-assembly on-line detection system (1), automatically rotating the cylindrical vacuum adsorption type micro-part fixing seat (23) at a constant speed, detecting whether the whole assembly has defects or defects, and if so, returning to the step a1 to execute again.
8. The method for high-precision automatic micro-assembly of micron-sized metal wires according to claim 7, wherein the step of the automatic coating stage of the special low-temperature adhesive further comprises the following steps:
c3, under the real-time monitoring of the metal wire micro-assembly on-line detection system (1), matching with the micro-wire rapid dispensing system (4) to perform the real-time automatic quantitative dispensing operation of special low-temperature glue on the wire winding groove of the rotating semi-finished wire winding assembly, so as to ensure the uniformity and consistency of the thickness of the coating adhesive layer;
c4, monitoring the gluing process in real time through the metal wire micro-assembly online detection system (1), and automatically adjusting the gluing process in cooperation with the micro-wire rapid glue dispensing system (4) to prevent the overflow and the flow of glue solution;
c5, automatically rotating at a constant speed for a fixed number of turns by the cylindrical vacuum adsorption type micro-part fixing seat (23), realizing special low-temperature glue coating with a preset thickness, finishing an automatic secondary glue coating process, and obtaining the metal winding finished product assembly.
9. A micron-sized metal wire high-precision automatic micro-assembly device is characterized by comprising a metal wire micro-assembly operation platform (2), a micro-wire assembly pre-tensioning and micro-force detection system (3), a micro-wire rapid dispensing system (4), a metal wire micro-assembly online detection system (1) and a visual monitoring system (5); the metal wire micro-assembly operation platform (2) is used for fixedly mounting a metal wire columnar micro part (7) to be wound, the metal wire columnar micro part (7) to be wound is fixedly connected with one end of a micron-sized metal wire (8), the other end of the micron-sized metal wire (8) is fixedly arranged on the micro wire assembly pre-tensioning and micro-force detection system (3), the metal wire micro-assembly operation platform (2) rotates, the metal wire columnar micro part (7) to be wound rotates along with the metal wire columnar micro part, and the micron-sized metal wire (8) is automatically wound in a wire winding groove of the metal wire columnar micro part (7) to be wound; the micro-wire rapid dispensing system (4) automatically dispenses micro-wires (8) and wire-cylindrical micro-parts (7) to be wound quantitatively, the wire micro-assembly online detection system (1) is connected with the visual monitoring system (5), the wire micro-assembly online detection system (1) is matched with the visual monitoring system (5) and used for detecting and adjusting the stress of the micro-metal wires (8), the relative positions of the micro-metal wires (8) and a wire winding groove and the rotating speed of the wire micro-assembly operating platform (2) in the wire winding and assembling process in real time.
10. The micron-sized metal wire high-precision automatic micro-assembly device according to claim 9, wherein the metal wire micro-assembly operation platform (2) comprises a cylindrical vacuum adsorption type micro-part fixing seat (23), an adhesive film is arranged on the cylindrical vacuum adsorption type micro-part fixing seat (23), and the metal wire cylindrical micro-part (7) to be wound is fixed on the cylindrical vacuum adsorption type micro-part fixing seat (23) with the adhesive film in a vacuum adsorption mode.
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