CN106671674A - Rotating carving machine and visual identification method thereof - Google Patents

Rotating carving machine and visual identification method thereof Download PDF

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Publication number
CN106671674A
CN106671674A CN201710054577.4A CN201710054577A CN106671674A CN 106671674 A CN106671674 A CN 106671674A CN 201710054577 A CN201710054577 A CN 201710054577A CN 106671674 A CN106671674 A CN 106671674A
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CN
China
Prior art keywords
unit
column
engraving machine
tailstock
motor
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Granted
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CN201710054577.4A
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Chinese (zh)
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CN106671674B (en
Inventor
崔传辉
赵桂清
康栋博
李守
李守一
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Dongchang Institute Of Liaocheng University
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Dongchang Institute Of Liaocheng University
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Priority to CN201710054577.4A priority Critical patent/CN106671674B/en
Publication of CN106671674A publication Critical patent/CN106671674A/en
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Publication of CN106671674B publication Critical patent/CN106671674B/en
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B44DECORATIVE ARTS
    • B44BMACHINES, APPARATUS OR TOOLS FOR ARTISTIC WORK, e.g. FOR SCULPTURING, GUILLOCHING, CARVING, BRANDING, INLAYING
    • B44B1/00Artist's machines or apparatus equipped with tools or work holders moving or able to be controlled three-dimensionally for making single sculptures or models
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B44DECORATIVE ARTS
    • B44BMACHINES, APPARATUS OR TOOLS FOR ARTISTIC WORK, e.g. FOR SCULPTURING, GUILLOCHING, CARVING, BRANDING, INLAYING
    • B44B1/00Artist's machines or apparatus equipped with tools or work holders moving or able to be controlled three-dimensionally for making single sculptures or models
    • B44B1/06Accessories

Abstract

The invention relates to a rotating carving machine and a visual identification method thereof. The rotating carving machine comprises a base and upright columns I; the upright columns I are arranged on the base. The rotating carving machine further comprises a rotating unit, an indexing disc, an X-direction feeding unit, a Z-direction feeding unit and a main shaft unit; the rotating unit is arranged on a bottom plate; the bottom plate is arranged on the base; a visual identification unit is arranged on the main shaft unit; the main shaft unit is arranged on the Z-direction feeding unit; the Z-direction feeding unit is arranged on the indexing disc; the indexing disc is arranged on the X-direction feeding unit; the X-direction feeding unit is arranged on the upright columns I; the main shaft unit comprises a machine head; a hinge and a main shaft unit driving motor are fixedly arranged on the machine head; the hinge is connected with the visual identification unit; and an output shaft of the main shaft unit driving motor is connected with a cutter.

Description

One kind turns carving engraving machine and its visual identity method
Technical field
The invention belongs to artware engraving technology field, and in particular to one kind turns carving engraving machine and its visual identity method.
Background technology
At present, engraving machine is widely used in artware engraving industry, the big spininess of small-sized engraving machine on market Flat carving is designed, the engraving to small-sized sculpture technique product is capable of achieving plus rotary shaft in current existing small-sized engraving machine work platformses Processing, but because surface of the work is in irregular shape, existing engraving machine can not reach unified carving depth, have impact on circular engravure engraving The aesthetic property of finished product.Secondly common engraving machine main shaft is vertical, can only realize being carved perpendicular to axis of workpiece, engraving effect Difference.This is the deficiencies in the prior art part.
Therefore, for drawbacks described above of the prior art, there is provided design one kind turns carving engraving machine and its visual identity method, To solve above-mentioned technical problem, it is necessary.
The content of the invention
It is an object of the present invention to be directed to the defect that above-mentioned prior art is present, there is provided design one kind turn carving engraving machine and Its visual identity method, to solve above-mentioned technical problem.
For achieving the above object, the present invention provides technical scheme below:
One kind turns carving engraving machine, including base and column I, and the column I is installed on base;It is characterized in that:The engraving machine Also include rotary unit, index dial, X to feed unit, Z-direction feed unit and main axle unit, described rotary unit is installed On base plate, base plate is installed on base, and visual identity unit is provided with the main axle unit, and main axle unit is arranged on Z-direction On feed unit, Z-direction feed unit is arranged on index dial, and index dial is arranged on X on feed unit, and X to feed unit is pacified It is mounted on column I;
Described main axle unit includes head, and hinge and main axle unit motor are fixedly installed on head, and chain connection has Visual identity unit, the output shaft of main axle unit motor is connected with cutter.
Preferably, Z-direction feed unit includes column II, and Z-direction Feed servo system motor is provided with column II, and Z-direction feeding is driven Galvanic electricity machine is connected with Z-direction working plate by Z-direction leading screw and nut mechanism, sets on the Z-direction slide block arranged on Z-direction working plate and column II The Z-direction slide rail put is engaged;Described head is arranged on Z-direction working plate;Z-direction leading screw and nut mechanism connects Z by shaft coupling To Feed servo system motor.
Preferably, described Z-direction leading screw and nut mechanism includes Z-direction screw mandrel, and Z-direction screw mandrel is installed on vertical by Z-direction bearing block On post II, Z-direction screw mandrel is also associated with Z-direction nut, and Z-direction nut is fixedly connected with Z-direction working plate, and the connection Z-direction feeding of Z-direction screw mandrel is driven Dynamic motor output shaft.Or described Z-direction leading screw and nut mechanism includes Z-direction screw mandrel, Z-direction screw mandrel is installed on by Z-direction bearing block On column II, Z-direction screw mandrel is directly threadedly coupled with Z-direction working plate, Z-direction screw mandrel connection Z-direction Feed servo system motor output shaft.
Preferably, described X includes X to Feed servo system motor to feed unit, X to Feed servo system motor connection have X to Leading screw and nut mechanism, X to leading screw and nut mechanism is connected with X to working plate, and X is provided with X on working plate to slide block, the X to Slide block coordinates with the X being arranged on column I to slide rail, and X is provided with indexing disk-drive motor, indexing dish driving electricity on working plate Machine drives index dial to rotate, and index dial connects column II by index dial nut, drives column II rotations.
Preferably, described rotary unit includes the rotary shaft motor being arranged on base plate, and described rotary shaft is driven Galvanic electricity machine is connected with rotation thimble by decelerator, and the axle unit also includes the tailstock being arranged on base, and tailstock includes Tailstock body, is provided with telescopic shaft in tailstock body, one end of telescopic shaft is connected with tailstock center, tailstock center and rotation by bearing The dead in line of thimble, the internal whorl of the telescopic shaft other end is connected with tailstock screw rod, and tailstock screw rod is fixedly connected with rotation handss Wheel;When rotation hand wheel is rotated, tailstock screw rod and rotation hand wheel synchronous rotary, and straight-line feed is not done, telescopic shaft is in tailstock body Interior intracavity only does straight-line feed, and does not rotate, and realizes driving the feeding of telescopic shaft by rotating rotation hand wheel.
Preferably, described visual identity unit is visual identity photographic head.
The present invention gives the visual identity method of this turn of carving engraving machine, comprises the following steps:
Step 1):Visual identity unit gathers the distance that head bottommost to workpiece cuts surface,
Step 2):Photographic head adopts black and white photographic head, the image of acquisition to be stored as the gray-scale maps of 8 256 ranks, manually adjust The center of the image that photographic head is obtained is located on cutter, is obtained cutter and is obtained the color value in image in photographic head;
Step 3):Step 2)The gray-scale maps of 8 256 ranks for obtaining, are made up of two-dimensional image vegetarian refreshments, and the color of each pixel is by color Value determines that storage organization used is two bit arrays of positive shaping.
Preferably, the size of photographic head visual field is 800*600, and two-dimensional array used is A [800] [600], each array In unit deposit value be 0-255, initial first H=400, L=300, read field of view center, color value Y of point A [H] [L], so Color value Y0 of read pixel point A [H] [L-1] afterwards, the such as absolute value of Y0-Y are less than predetermined threshold value &, continue to read A [H] to the left [L-2] takes color value, until stopping reading to the left when the absolute value of color value Y0-Y for reading is more than &, records current pixel point Row coordinate L0;Color value Y0 of read pixel point A [H] [L+1], the such as absolute value of Y0-Y are less than &, and A is read to the right in continuation [H] [L+2] color value, until stopping reading to the right when the absolute value of color value Y0-Y for reading is more than &, records current pixel The row coordinate L1 of point, if L1-L0 is more than the effective row of 5 this journeys;Judge that whether A [H+1] is upwards with same method for searching Effectively row, such as effectively goes up successively and mutually searches, and occurs stopping searching during inactive line, line number H1 of the maximum effectively row of record;Sentence downwards Whether disconnected A [H-1] is effective row, such as effectively lower successively mutually to search, and occurs stopping searching during inactive line, the minimum effectively row of record Line number H0;H1-H0+1 is cutter in the number of lines of pixels shared by the vertical direction of visual field.
Preferably, predetermined threshold value & is 20.
Workpiece direction of rotation is necessary for direction N shown in Fig. 3 to ensure the knife that visual identity unit can be obtained in this implementation of class The point of a knife part of tool image is obscured.
In the technical program, when engraving machine works, workpiece to be carved is fixed by rotating rotation hand wheel control telescopic shaft Between rotation thimble and tailstock center, suitable cutter clamping is selected on main axle unit motor, visual identity unit On hinge, hinge is arranged on main shaft device unit, and visual identity unit is identified to the approach of cutter, so as to Lower knife depth is constantly controlled, workpiece rotation is controlled by control device, main axle unit, X are to feed unit and Z-direction feed unit edge Guide rail straight reciprocating motion, index dial rotates to complete the automatic Carving Machining of sculpture technique product workpiece.
Engraving machine operationally, processing object is fixed between rotation thimble and tailstock center, selects suitable cutter Clamping on main axle unit, by two bobbins of Programmable Controller X, Z, a rotary shaft rotated around X and one around The auto-feed campaign of X rotations, completes the automatic Carving Machining of sculpture technique product surface of the work.
Control device control each action complete belong to prior art, will not be described here.
The beneficial effects of the present invention is, realize that two bobbins of X, Z, a rotary shaft rotated around X and one revolve around X The auto-feed campaign for turning, completes the automatic Carving Machining of sculpture technique product surface of the work.This engraving machine main axle unit is in relative X Axle is, along guide rail straight reciprocating motion, to ensure that cutter is cut perpendicular to surface of the work, to improve processing essence on positive and negative 90 ° of face Degree.
Additionally, design principle reliability of the present invention, simple structure, with application prospect widely.
As can be seen here, the present invention compared with prior art, improves with prominent substantive distinguishing features and significantly, and it is implemented Beneficial effect be also obvious.
Description of the drawings
Fig. 1 is the structural representation of a kind of turn of carving engraving machine that the present invention is provided.
Fig. 2 is the structural representation of tailstock in Fig. 1.
Fig. 3 is that visual identity unit gathers the schematic diagram that head bottommost to workpiece cuts surface distance.
Fig. 4 is visual identity schematic diagram.
Fig. 5 is the schematic diagram that cutter obtains the color value in image in photographic head.
Fig. 6 is that the color value of pixel determines schematic diagram.
Wherein, 1- bases, 2- column I, 4- index dials, 8- base plates, 9- visual identity units, 3.1- rotary shafts drive electricity Machine, 3.2- decelerators, 3.3- rotation thimbles, 3.4- tailstocks, 3.41- tailstock bodies, 3.42- telescopic shafts, 3.43- bearings, 3.44- tails Seat thimble, 3.45- tailstock screw rods, 3.46- rotation hand wheels, 4.1- indexing disk-drive motor, 5.1-X to Feed servo system motor, 5.2-X to leading screw and nut mechanism, 5.3-X to working plate, 5.4-X to slide block, 5.5-X to slide rail, 6.1- column II, 6.2-Z to Feed servo system motor, to leading screw and nut mechanism, to working plate, to slide block, 6.6-Z is to slide rail, 6.7- connection for 6.5-Z for 6.4-Z for 6.3-Z Axle device, 7.1- heads, 7.2- hinges, 7.3- main axle unit motors, 7.4- cutters.
Specific embodiment
Below in conjunction with the accompanying drawings and by specific embodiment the present invention will be described in detail, and following examples are to the present invention Explanation, and the invention is not limited in implementation below.
As illustrated in fig. 1 and 2, one kind that the present invention is provided turns carving engraving machine, including base 1 and column I 2, the column I 2 are installed on base 1;The engraving machine also includes rotary unit, index dial 4, X to feed unit, Z-direction feed unit and main shaft Unit, described rotary unit is installed on base plate 8, and base plate 8 is installed on base 1, and on the main axle unit vision is provided with Recognition unit 9, main axle unit is arranged on Z-direction feed unit, and Z-direction feed unit is arranged on index dial 4, and index dial 4 is installed In X on feed unit, X to feed unit is arranged on column I 2;
Described main axle unit includes head 7.1, and hinge 7.2 and main axle unit motor are fixedly installed on head 7.1 7.3, hinge 7.2 is connected with visual identity unit 9, and the output shaft of main axle unit motor 7.3 is connected with cutter 7.4.
In the present embodiment, Z-direction feed unit includes column II 6.1, and Z-direction Feed servo system electricity is provided with column II 6.1 Machine 6.2, Z-direction Feed servo system motor is connected with Z-direction working plate 6.4 by Z-direction leading screw and nut mechanism 6.3, arranges on Z-direction working plate Z-direction slide block 6.5 with column II 6.1 arrange Z-direction slide rail 6.6 be engaged;Described head 7.1 is arranged at Z-direction working plate 6.4 on;Z-direction leading screw and nut mechanism 6.3 connects Z-direction Feed servo system motor 6.2 by shaft coupling 6.7.
Described Z-direction leading screw and nut mechanism includes Z-direction screw mandrel, and Z-direction screw mandrel is installed on column II by Z-direction bearing block, Z Z-direction nut is also associated with to screw mandrel, Z-direction nut is fixedly connected with Z-direction working plate, Z-direction screw mandrel connection Z-direction Feed servo system motor is defeated Shaft.Or described Z-direction leading screw and nut mechanism includes Z-direction screw mandrel, Z-direction screw mandrel is installed on column II by Z-direction bearing block, Z-direction screw mandrel is directly threadedly coupled with Z-direction working plate, Z-direction screw mandrel connection Z-direction Feed servo system motor output shaft.
Described X to feed unit includes X to Feed servo system motor 5.1, and X to Feed servo system motor connection has X to screw mandrel Nut body 25., X to leading screw and nut mechanism is connected with X to working plate 5.3, and X is provided with X on working plate to slide block 5.4, institute State X to coordinate to slide rail 5.5 with the X being arranged on column I to slide block, X is provided with indexing disk-drive motor 4.1 on working plate, Indexing disk-drive motor drives index dial 4 to rotate, and index dial connects column II by index dial nut, drives column II rotations.
Described rotary unit includes the rotary shaft motor 3.1 being arranged on base plate, and described rotary shaft drives electricity Machine is connected with 3 thimbles 3. of rotation by decelerator 3.2, and the axle unit also includes the tailstock 3.4 being arranged on base, tailstock Including tailstock body 3.41, telescopic shaft 3.42 is provided with tailstock body, one end of telescopic shaft is connected with tailstock top by bearing 3.43 Pin 3.44, tailstock center 3.44 is connected with tail with the dead in line for rotating thimble 3.3, the internal whorl of the other end of telescopic shaft 3.42 Seat screw rod 3.45, tailstock screw rod is fixedly connected with rotation hand wheel 3.46;When rotation hand wheel is rotated, tailstock screw rod and rotation hand wheel Synchronous rotary, and straight-line feed is not done, telescopic shaft only does straight-line feed in tailstock intracoelomic cavity, and does not rotate, and realizes The feeding of telescopic shaft is driven by rotating rotation hand wheel.
Described visual identity unit 9 is visual identity photographic head.
The present embodiment gives the visual identity method of this turn of carving engraving machine, comprises the following steps:
Step 1):Visual identity unit gathers the distance that head bottommost to workpiece cuts surface,
Step 2):Photographic head adopts black and white photographic head, the image of acquisition to be stored as the gray-scale maps of 8 256 ranks, manually adjust The center of the image that photographic head is obtained is located on cutter, is obtained cutter and is obtained the color value in image in photographic head;
Step 3):Step 2)The gray-scale maps of 8 256 ranks for obtaining, are made up of two-dimensional image vegetarian refreshments, and the color of each pixel is by color Value determines that storage organization used is two bit arrays of positive shaping.
In the present embodiment, the size of photographic head visual field is 800*600, and two-dimensional array used is A [800] [600], each The value deposited in array location is 0-255, initial first H=400, L=300, reads field of view center, the color value of point A [H] [L] Y, such as then color value Y0 of read pixel point A [H] [L-1], the absolute value of Y0-Y are less than predetermined threshold value &, and continuation is read to the left A [H] [L-2] takes color value, until stopping reading to the left when the absolute value of color value Y0-Y for reading is more than &, records current picture The row coordinate L0 of vegetarian refreshments;Color value Y0 of read pixel point A [H] [L+1], the such as absolute value of Y0-Y are less than &, and continuation is read to the right A [H] [L+2] color value is taken, until stopping reading to the right when the absolute value of color value Y0-Y for reading is more than &, current picture is recorded The row coordinate L1 of vegetarian refreshments, if L1-L0 is more than the effective row of 5 this journeys;With same method for searching A [H+1] is judged upwards whether For effective row, such as effectively go up successively and mutually search, occur stopping searching during inactive line, line number H1 of the maximum effectively row of record;Downwards Judge whether A [H-1] is effective row, it is such as effectively lower successively mutually to search, occur stopping searching during inactive line, the minimum effectively row of record Line number H0;H1-H0+1 is cutter in the number of lines of pixels shared by the vertical direction of visual field.
In the present embodiment, predetermined threshold value & is 20.
The technical program, by visual identity unit the distance that head bottommost to workpiece cuts surface, such as Fig. 3 are collected Known cutter length L before shown incision, after cutter incision workpiece, visual identity element keeps track gathers head bottommost to workpiece Incision surface apart from b, cutter total length L calculates lower knife depth a b is deducted by, according to lower knife depth a adjust Z-direction feed, Reach the effect of carving depth fluctuations with surface of the work fluctuations.
Wherein visual identity principle as shown in figure 4, because photographic head immobilizes with the relative position of cutter, tool image Position in the visual field that photographic head is obtained is relatively constant, and cutter is obtained in the picture shared by the vertical direction of visual field by colour recognition Plain line number, can obtain the head factory L of cutter, protruded length b during cutting when not cutting.
The concrete methods of realizing of colour recognition is as follows in the present embodiment, and photographic head adopts black and white photographic head, the image of acquisition The gray-scale maps of 8 256 ranks are stored as, the color of cutter has obvious area with the background colour of main shaft bottom, workpiece and cutter periphery Point, the color of cutter is silvery white in this implementation of class, and main shaft bottom, workpiece and cutter periphery background colour are selected as black or ash Color, the center for manually adjusting the image that photographic head is obtained is located on cutter, is obtained in photographic head so as to obtain cutter Color value in image, as shown in Figure 5.
The gray-scale maps of 8 256 ranks obtained in the present embodiment, picture is made up of two-dimensional image vegetarian refreshments, the color of each pixel Determined by color value(Such as Fig. 6), storage organization used is two bit arrays of positive shaping, such as the size of visual field be 800*600, institute Two-dimensional array is A [800] [600], in each array location deposit value be 0-255, initial first H=400, L=300, Read field of view center, color value Y of point A [H] [L], then color value Y0 of read pixel point A [H] [L-1], such as Y0-Y's is exhausted & is less than to value(& is predetermined threshold value, and 20 are set in embodiment), continue reading A [H] [L-2] to the left and take color value, until reading Stop reading to the left when the absolute value of color value Y0-Y for taking is more than &, record the row coordinate L0 of current pixel point;Read pixel Color value Y0 of point A [H] [L+1], the such as absolute value of Y0-Y are less than &, continue to read A [H] [L+2] color value to the right, until reading Stop reading to the right when the absolute value of color value Y0-Y for taking is more than &, the row coordinate L1 of current pixel point is recorded, if L1-L0 is big In the effective row of 5 this journeys.Judge whether A [H+1] is effective row upwards with same method for searching, such as effectively go up successively and mutually search Seek, occur stopping searching during inactive line, line number H1 of the maximum effectively row of record;Judge whether A [H-1] is effective row downwards, such as It is effectively lower successively mutually to search, occur stopping searching during inactive line, line number H0 of the minimum effectively row of record.H1-H0+1 is cutter In the number of lines of pixels shared by the vertical direction of visual field.
Workpiece direction of rotation is necessary for direction N shown in Fig. 3 to ensure the knife that visual identity unit can be obtained in this implementation of class The point of a knife part of tool image is obscured.
Disclosed above is only the preferred embodiment of the present invention, but the present invention is not limited to this, any this area What technical staff can think does not have a creative change, and some improvement made without departing from the principles of the present invention and Retouching, all should be within the scope of the present invention.

Claims (9)

1. one kind turns carving engraving machine, including base and column I, and the column I is installed on base;It is characterized in that:The engraving Machine also includes rotary unit, index dial, X to feed unit, Z-direction feed unit and main axle unit, described rotary unit peace Loaded on base plate, base plate is installed on base, and visual identity unit is provided with the main axle unit, and main axle unit is arranged on Z To on feed unit, Z-direction feed unit is arranged on index dial, and index dial is arranged on X on feed unit, and X is to feed unit On column I;Described main axle unit includes head, and hinge and main axle unit motor are fixedly installed on head, The output shaft that chain connection has visual identity unit, main axle unit motor is connected with cutter.
2. one kind according to claim 1 turns carving engraving machine, it is characterised in that:Described visual identity unit is vision knowledge Other photographic head.
3. one kind according to claim 1 and 2 turns carving engraving machine, it is characterised in that:Z-direction feed unit includes column II, Z-direction Feed servo system motor is provided with column II, Z-direction Feed servo system motor is connected with Z-direction work by Z-direction leading screw and nut mechanism Plate, the Z-direction slide block arranged on Z-direction working plate is engaged with the Z-direction slide rail arranged on column II;Described head is arranged at Z-direction On working plate;Z-direction leading screw and nut mechanism connects Z-direction Feed servo system motor by shaft coupling.
4. one kind according to claim 1 and 2 turns carving engraving machine, it is characterised in that:Described Z-direction leading screw and nut mechanism bag Include Z-direction screw mandrel, Z-direction screw mandrel is installed on column II by Z-direction bearing block, Z-direction screw mandrel is also associated with Z-direction nut, Z-direction nut with Z-direction working plate is fixedly connected, Z-direction screw mandrel connection Z-direction Feed servo system motor output shaft;Or described Z-direction leading screw and nut mechanism Including Z-direction screw mandrel, Z-direction screw mandrel is installed on column II by Z-direction bearing block, and Z-direction screw mandrel directly connects with Z-direction working plate screw thread Connect, Z-direction screw mandrel connection Z-direction Feed servo system motor output shaft.
5. one kind according to claim 4 turns carving engraving machine, it is characterised in that:Described X to feed unit includes X to entering To motor, X to Feed servo system motor connection has X to leading screw and nut mechanism, and X to leading screw and nut mechanism is connected with X to work Plate, X is provided with X on working plate to slide block, and the X to slide block coordinates with the X being arranged on column I to slide rail, and X is to working plate On be provided with indexing disk-drive motor, indexing disk-drive motor drives index dial to rotate, and index dial is connected by index dial nut Column II, drives column II rotations.
6. one kind according to claim 5 turns carving engraving machine, it is characterised in that:Described rotary unit includes being arranged at bottom Rotary shaft motor on plate, described rotary shaft motor is connected with rotation thimble by decelerator, the rotary shaft list Unit also includes the tailstock being arranged on base, and tailstock includes tailstock body, and telescopic shaft is provided with tailstock body, and one end of telescopic shaft leads to Cross bearing and be connected with tailstock center, tailstock center and the dead in line for rotating thimble, the internal whorl connection of the telescopic shaft other end There is tailstock screw rod, tailstock screw rod is fixedly connected with rotation hand wheel.
7. the visual identity method of a kind of turn of carving engraving machine, comprises the following steps:Step 1):Visual identity unit collection head is most The distance on surface, step 2 are cut to workpiece in bottom):Photographic head adopts black and white photographic head, the image of acquisition to be stored as 8 256 ranks Gray-scale maps, manually adjust photographic head obtain image center be located at cutter on, obtain cutter obtain in photographic head Take the color value in image;Step 3):Step 2)The gray-scale maps of 8 256 ranks for obtaining, are made up of, each picture two-dimensional image vegetarian refreshments The color of element is determined that storage organization used is two bit arrays of positive shaping by color value.
8. the visual identity method of a kind of turn of carving engraving machine according to claim 7, it is characterised in that:Photographic head visual field Size is 800*600, and two-dimensional array used is A [800] [600], and the value deposited in each array location is 0-255, first Initial H=400, L=300, read field of view center, color value Y of point A [H] [L], then the color of read pixel point A [H] [L-1] The absolute value of value Y0, such as Y0-Y is less than predetermined threshold value &, continues reading A [H] [L-2] to the left and takes color value, until the face for reading Stop reading to the left when the absolute value of colour Y0-Y is more than &, record the row coordinate L0 of current pixel point;Read pixel point A [H] The absolute value of color value Y0 of [L+1], such as Y0-Y is less than &, continues to read A [H] [L+2] color value to the right, until the face for reading The absolute value of colour Y0-Y be more than & when stop read to the right, record current pixel point row coordinate L1, if L1-L0 more than 5 this The effective row of row;Judge whether A [H+1] is effective row upwards with same method for searching, such as effectively go up successively and mutually search, go out Stop searching during existing inactive line, line number H1 of the maximum effectively row of record;Judge whether A [H-1] is effective row downwards, such as effectively according to Secondary lower phase search, occurs stopping searching during inactive line, line number H0 of the minimum effectively row of record;H1-H0+1 is cutter in visual field Number of lines of pixels shared by vertical direction.
9. the visual identity method of a kind of turn of carving engraving machine according to claim 8, it is characterised in that:The default threshold Value & is 20.
CN201710054577.4A 2017-01-24 2017-01-24 One kind turning carving engraving machine and its visual identity method Expired - Fee Related CN106671674B (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113771537A (en) * 2021-09-10 2021-12-10 淮阴工学院 Multi-degree-of-freedom intelligent mechanical arm and testing method thereof

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