Method for improving precision of multi-head splicing precision machining

Abstract

The application discloses a method for improving the precision of multi-head splicing precision machining, comprising the following steps: step one, equipment installation; step two, roll material conveying; step three, reference point machining: using the galvanometer at the two ends of the first row of galvanometer groups to process Mark points on the roll material; step four, reference point positioning: stepping the roll material along the roll material conveying direction by the distance of one lens processing width A, and positioning the two Mark points through two cameras; step five, after positioning, simultaneously processing the roll material through several galvanometers of the two rows of galvanometer groups; step six, after processing, stepping the roll material along the roll material conveying direction by the distance of one lens processing width A; step seven, processing the roll material through several galvanometers of the two rows of galvanometer groups after positioning; and step eight, repeating steps six to seven until the processing is completed. The application adopts the method of processing and marking Mark points simultaneously, improves the processing precision, and is suitable for high-precision and splicing processing application occasions.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of precision machining, in particular to a method for improving the precision of multi-head splicing precision machining. BACKGROUND

[0002] At present, in some coil processing, most of them use the edge or surface of the coil to set some Mark marks as positioning reference for target processing, and the feeding accuracy, stability, material stretching deformation and other problems of the winding and unwinding will directly affect the processing accuracy.

[0003] Such processing method is often used in some occasions with low precision requirements, and cannot be applied to some high-precision and splicing processing occasions.

[0004] In order to eliminate the influence of the instability of winding and unwinding feeding process on the processing accuracy, a method for improving the precision of multi-head splicing precision machining is proposed. SUMMARY

[0005] The purpose of the present application is to provide a method for improving the precision of multi-head splicing precision machining, which aims to solve or improve at least one of the above technical problems.

[0006] In order to achieve the above purpose, the present application provides the following scheme: the present application provides a method for improving the precision of multi-head splicing precision machining, comprising the following steps:

[0007] Step 1, equipment installation: the equipment includes at least two rows of galvanometer groups and at least two cameras; each row of the galvanometer group includes a plurality of galvanometers arranged side by side; the output end of the galvanometer is provided with a lens; the two cameras are arranged side by side, and the two cameras are located between the two rows of the galvanometer groups; the camera is arranged opposite to the galvanometer;

[0008] Step 2, coil feeding: when processing for the first time, the coil is fed into the first row of galvanometer group along the coil feeding direction;

[0009] Step 3, reference point processing: the galvanometers at both ends of the first row of galvanometer group process Mark points on the coil;

[0010] Step 4, reference point positioning: the coil is stepped by a distance of the processing width A of the lens along the coil feeding direction, so that the two Mark points are moved into the field of view of the two cameras, and the two Mark points are positioned by the two cameras;

[0011] Step 5, first processing: after positioning, the galvanometers of the two rows of galvanometer groups process the coil at the same time;

[0012] Step 6, after the processing is completed, the coil is stepped by a distance of the processing width A of the lens along the coil feeding direction;

[0013] Step seven, second processing: positioning several galvanometer mirrors of the second row of galvanometer mirror groups to process the roll material at the same time;

[0014] Step eight, repeating step six to step seven until the processing is completed.

[0015] According to the method for improving the precision of multi-head splicing precision machining provided by the application, each row of the galvanometer mirror group comprises four galvanometer mirrors arranged side by side, and the four lenses are arranged at equal intervals.

[0016] According to the method for improving the precision of multi-head splicing precision machining provided by the application, the galvanometer mirror group is provided with two rows, and the two rows of galvanometer mirror groups are arranged alternately.

[0017] According to the method for improving the precision of multi-head splicing precision machining provided by the application, the two cameras are located between the two rows of galvanometer mirror groups; and the cameras are arranged between the galvanometer mirrors at the two ends in the two rows of galvanometer mirror groups.

[0018] According to the method for improving the precision of multi-head splicing precision machining provided by the application, the central axis of the camera is spatially parallel to the central axis of the lens at the end.

[0019] The distance between the central axis of the camera and the central axis of the lens at the end along the X-axis direction is less than 1 / 2A, wherein A is the processing width of the lens.

[0020] According to the method for improving the precision of multi-head splicing precision machining provided by the application, in steps two to six, the roll material is conveyed along the roll material conveying direction by the winding and unwinding mechanism.

[0021] According to the method for improving the precision of multi-head splicing precision machining provided by the application, the distance between the two adjacent lenses in each row of the lens group is less than the processing width A of the lens.

[0022] According to the method for improving the precision of multi-head splicing precision machining provided by the application, the overall processing width of the plurality of lenses is greater than the width of the roll material.

[0023] The application discloses the following technical effects:

[0024] The application adopts the galvanometer mirrors at the two ends of the first row of galvanometer mirror groups to process Mark points on the roll material, and when the roll material steps a distance of the processing width A of the lens along the roll material conveying direction, the two cameras are used to position the two Mark points, that is, the Mark points are marked while processing, the marked Mark points are used as positioning points of the next processing width, the processing precision is improved, and the application is suitable for high-precision and splicing processing occasions. BRIEF DESCRIPTION OF DRAWINGS

[0025] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed in the embodiments. Obviously, the drawings described below only show some of the embodiments of the present application, and all other drawings obtained by those of ordinary skill in the art without creative effort based on these drawings also belong to the protection scope of the present application.

[0026] Figure 1 The figure is a schematic diagram of the structure of the device in the present application.

[0027] In the figure, 1 is a camera, 2 is a galvanometer, 3 is a roll material, and 4 is a lens. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative effort also belong to the protection scope of the present application.

[0029] In order to make the above-mentioned purposes, features and advantages of the present application more obvious and easy to understand, the present application will be further described in detail below with reference to the drawings and specific embodiments.

[0030] Reference Figure 1 The present application provides a method for improving the precision of multi-head splicing precision machining, comprising the following steps:

[0031] Step one, device installation: the device comprises at least two rows of galvanometer groups and at least two cameras 1; each row of galvanometer groups comprises a plurality of galvanometers 2 arranged side by side; the output end of the galvanometer 2 is provided with a lens 4; the two cameras 1 are arranged side by side, and both of the two cameras 1 are located between the two rows of galvanometer groups; the camera 1 is arranged opposite to the galvanometer 2;

[0032] Step two, roll material conveying: when machining for the first time, the roll material 3 is sent to the first row of galvanometer groups along the roll material conveying direction; Figure 1 The arrow direction is the roll material conveying direction;

[0033] Step three, reference point machining: the galvanometers 2 at both ends of the first row of galvanometer groups are used to machine Mark points on the roll material 3;

[0034] Step four, reference point positioning: the roll material 3 is moved along the roll material conveying direction by a distance of the machining width A of one lens 4, so that the two machined Mark points are moved into the field of view of the two cameras 1, and the two cameras 1 are used to capture and position the two Mark points;

[0035] Step five, first-time machining: after positioning, the galvanometers 2 of the two rows of galvanometer groups simultaneously machine the roll material 3.

[0036] Step six, after the processing is completed, the roll material 3 is stepped along the roll material conveying direction by a distance of the processing width A of the lens 4;

[0037] Step seven, second processing: the several oscillating mirrors 2 of the second row of oscillating mirror groups are positioned and simultaneously process the roll material 3;

[0038] Step eight, repeat steps six to seven until the processing is completed;

[0039] In this way, the two end oscillating mirrors 2 of the first row of oscillating mirror groups are used to process Mark points on the roll material 3, when the roll material 3 is stepped along the roll material conveying direction by a distance of the processing width A of the lens 4, the two Mark points are positioned by the two cameras 1, that is, the Mark points are processed and marked at the same time, the marked Mark points are used as the positioning points of the next processing width, the processing precision is improved, and the application occasions requiring splicing processing are suitable.

[0040] Further optimization scheme, each row of oscillating mirror groups includes four oscillating mirrors 2 arranged side by side, and the four lenses 4 are arranged at equal intervals.

[0041] Further optimization scheme, the oscillating mirror groups are provided with two rows, and the two rows of oscillating mirror groups are arranged in a staggered manner.

[0042] Further optimization scheme, the two cameras 1 are located between the two rows of oscillating mirror groups; and the cameras 1 are arranged between the oscillating mirrors 2 located at the two ends in the two rows of oscillating mirror groups.

[0043] Further optimization scheme, the central axis of the camera 1 is spatially parallel to the central axis of the lens 4 located at the end.

[0044] The distance between the central axis of the camera 1 and the central axis of the lens 4 located at the end along the X-axis direction is less than 1 / 2A, wherein A is the processing width of the lens 4; so that the Mark points processed by the oscillating mirror 2 can completely fall into the field of view of the camera 1, and high-precision positioning is realized.

[0045] Further optimization scheme, in steps two to six, the roll material 3 is conveyed along the roll material conveying direction by a winding and unwinding mechanism (not shown in the figure); the internal structure and working principle of the winding and unwinding mechanism are both prior art, and will not be described here.

[0046] Further optimization scheme, the distance between the adjacent two lenses 4 in each row of lens 4 groups is less than the distance of the processing width A of the lens 4.

[0047] Further optimization scheme, the overall processing width of the several lenses 4 is greater than the width of the roll material 3.

[0048] Further optimization scheme, the device further comprises a control element (not shown in the figure), the camera 1, the galvanometer 2 and the take-up and pay-off mechanism are electrically connected with the control element;The control element can be set according to the specific use environment, such as can be a single-chip microcomputer or controlled by PLC, ARM (Advanced RISC Machine: high-end RISC machine), FPGA (Field-Programmable Gate Array: field programmable gate array) and other methods, not limited in the embodiment;So set, realize the automatic processing of the roll material through the control element, further improve the work efficiency.

[0049] In the description of the present application, it should be understood that the terms "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore cannot be understood as a limitation on the present application.

[0050] The above-described embodiments are only preferred modes of the present application, and do not limit the scope of the present application, and various modifications and improvements to the technical solutions of the present application made by those skilled in the art without departing from the design spirit of the present application shall fall within the protection scope of the present application.

Claims

1. A method for improving the precision machining accuracy of multi-head splicing, characterized in that, Includes the following steps: Step 1, Equipment Installation: The equipment includes at least two rows of galvanometer groups and at least two cameras (1); each row of galvanometer groups includes several galvanometers (2) arranged side by side; a lens (4) is installed at the output end of each galvanometer (2); two cameras (1) are arranged side by side, and both cameras (1) are located between the two rows of galvanometer groups; the camera (1) is arranged opposite to the galvanometer (2); each row of galvanometer groups includes four galvanometers (2) arranged side by side, and four lenses (4) are arranged at equal intervals; there are two rows of galvanometer groups, and the two rows of galvanometer groups are arranged alternately; both cameras (1) are located between the two rows of galvanometer groups; a camera (1) is provided between the galvanometers (2) at both ends of each row of galvanometer groups. Step 2, Roll feeding: During the first processing, the roll (3) is fed into the first row of galvanometer groups along the roll feeding direction; Step 3, Mark point processing: Mark points are processed on the roll material (3) using the galvanometers (2) at both ends of the first row of galvanometers. Step 4, reference point positioning: The roll material (3) is moved along the roll material conveying direction by a distance of one processing area A of the lens (4), so that the two Mark points are moved into the field of view of the two cameras (1), and the two Mark points are positioned by the two cameras (1). Step 5, First processing: After positioning, several galvanometers (2) of the two rows of galvanometer groups simultaneously process the roll material (3); Step 6: After processing is completed, the roll (3) is moved along the roll conveying direction by a distance equal to the processing area A of the lens (4); Step 7, Second Processing: After positioning, several galvanometers (2) of the two rows of galvanometer groups simultaneously process the roll material (3); Step 8: Repeat steps 6 and 7 until the processing is complete.

2. The method for improving the precision machining accuracy of multi-head splicing according to claim 1, characterized in that: The central axis of the camera (1) is spatially parallel to the central axis of the lens (4) located at the end; The distance between the central axis of the camera (1) and the central axis of the lens (4) located at the end along the X-axis is less than 1 / 2A, where A is the processing area of ​​the lens (4).

3. The method for improving the precision machining accuracy of multi-head splicing according to claim 1, characterized in that: In steps two through six, the roll material (3) is conveyed along the roll material conveying direction by the winding and unwinding mechanism.

4. The method for improving the precision machining accuracy of multi-head splicing according to claim 1, characterized in that: The distance between two adjacent lenses (4) in each row of lenses (4) is less than the distance of the processing area A of the lens (4).

5. The method for improving the precision machining accuracy of multi-head splicing according to claim 1, characterized in that: The width of the overall processing area of ​​several lenses (4) is greater than the width of the roll material (3).

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