CN105690480B - A kind of visual-alignment automatic cutting machine and its control method - Google Patents
A kind of visual-alignment automatic cutting machine and its control method Download PDFInfo
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- CN105690480B CN105690480B CN201610225281.XA CN201610225281A CN105690480B CN 105690480 B CN105690480 B CN 105690480B CN 201610225281 A CN201610225281 A CN 201610225281A CN 105690480 B CN105690480 B CN 105690480B
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- cutting die
- contraposition
- severing
- computing system
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
- B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
- B26F1/38—Cutting-out; Stamping-out
- B26F1/40—Cutting-out; Stamping-out using a press, e.g. of the ram type
- B26F1/405—Travelling head presses
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- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43D—MACHINES, TOOLS, EQUIPMENT OR METHODS FOR MANUFACTURING OR REPAIRING FOOTWEAR
- A43D8/00—Machines for cutting, ornamenting, marking or otherwise working up shoe part blanks
- A43D8/02—Cutting-out
- A43D8/10—Cutting-out using pattern grading
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D5/00—Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D5/007—Control means comprising cameras, vision or image processing systems
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D7/26—Means for mounting or adjusting the cutting member; Means for adjusting the stroke of the cutting member
- B26D7/2628—Means for adjusting the position of the cutting member
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D7/27—Means for performing other operations combined with cutting
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
- B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
- B26F1/38—Cutting-out; Stamping-out
- B26F1/40—Cutting-out; Stamping-out using a press, e.g. of the ram type
- B26F2001/402—Cutting-out; Stamping-out using a press, e.g. of the ram type curvilinear cutting presses, i.e. the stroke comprising an overlay of a linear and a curved movement
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Forests & Forestry (AREA)
- Mechanical Engineering (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Treatment Of Fiber Materials (AREA)
Abstract
The invention discloses a kind of visual-alignment automatic cutting machine and its control method, on the basis of existing cutting machine main body frame and system, increase design vision is taken pictures component and contraposition computing system.Before carrying out severing action every time; vision component of taking pictures is taken pictures to pre- severing fabric region first; fabric outline position is shot for photo; photo is sent to contraposition computing system; contraposition computing system calculates driving cutting die pedestal and the displacement of blanking table top and the anglec of rotation of cutting die disk according to profile in photo relative to the deviation position of reference point; the correction driving cutting die pedestal and blanking table top displacement that PLC is come according to contraposition computing system transmission; driving cutting die spirals gyration; make cutting die accurately above fabric, push cutting die and complete severing.System constantly repeats to take pictures, calculates the step of offset, contraposition severing, so as to efficiently, accurately, full-automatic complete the severing work of fabric.
Description
Technical field
The present invention relates to severing field of mechanical technique, the industry such as more particularly to a kind of shoemaking, leatherware processing carries out fabric sanction
Cut the cutting machine of processing.
Background technology
With the improvement of living standards, the requirement of moulding and style of the people to products such as shoes, leatherwares is more and more various
Change, this means that the related fabric profile for needing severing becomes increasingly complex, and then needs the automation of constantly lifting cutting machine
Level, to save artificial and material cost, improve processing efficiency.
Shoemaking, system bag form generally by cut-parts piece of different shapes, and cut-parts of different shapes are to rely on forming cutter
Mould cuts what fabric obtained in cutting machine, can be able to be the materials such as leather, cloth, plastics with the fabric of severing.Cutting machine is a kind of
The equipment of fabric severing processing is commonly used in, during work, the mobile cutting die pedestal on cutting machine is arranged on by power drive
Moved on guide rail, after moving to setting position, the cutting die on cutting die pedestal cutting die disk pushes severing fabric, from fabric
Upper severing goes out the cut-parts consistent with cutting die shape, so as to complete blanking work.Many cut-parts are that multiple layers of different materials passes through now
What viscous pressure or sewing were combined, multilayer cut-parts need to press corresponding cutting die severing respectively on cutting machine, are then compounded in again
Together, manufacturing procedure is more, and efficiency is low.In order to improve processing efficiency, what current fabric supplier just provided as desired sets
Pattern is counted, produces the Multilayer plus material being combined with each other, as shown in figure 1, wherein A is fabric pattern top layer, B is interlayer, and C is
Bottom, cutting die profile and exterior design are printed with A shell fabrics, by can be used after profile severing, although such fabric
Production process is greatly reduced, but new difficulty is brought to severing work.When in the past to not having figuratum material severing,
Only need to control cutting die at a certain distance with the continuous automatic severing material of angle, now to being printed with the material of pattern and profile
When material carries out severing, because the spacing and angle of pattern contour are not necessarily uniformly, and severing must be carried out according to contour line,
So need to be accurately positioned cutting die, make the outline of cutting die and material fit like a glove after can severing, if contraposition is inaccurate, face
Pattern contour on material will be destroyed, and turn into waste material, cause to waste.The method for solving this problem at present is using sanction manually
The artificial severing of off line, artificial exactitude position cutting die, severing efficiency is low, and cost of labor is high.
To improve production efficiency, shoemaking, Zhi Bao enterprises can be increasingly universal using this novel multi-layer composite, therefore,
The automatization level of cutting machine is improved, reduces cost of labor, severing efficiency is improved, realizes this new cut-parts material of automatic and accurate severing
It is particularly important, mechanical cutting machine on the market there is no method to solve this problem at present.
The content of the invention
In order to make up the deficiencies in the prior art, the invention discloses a kind of visual-alignment automatic cutting machine and its controlling party
Method, i.e., on the basis of existing cutting machine main body frame and system, increase design vision take pictures component and contraposition computing system,
So as to realize that a set of pattern that can be directed on fabric carries out the automatic cutting machine of accurate contraposition and its corresponding control method.
The invention thinking of above-mentioned automatic cutting machine is as follows：Before carrying out severing action every time, vision takes pictures component first to pre-
Severing fabric region is taken pictures, and fabric outline position is shot for photo, photo is sent to contraposition computing system, and contraposition calculates
System according to profile in photo relative to the deviation position of reference point calculate driving cutting die pedestal and blanking table top movement away from
From and cutting die disk the anglec of rotation, PLC according to contraposition computing system transmission come correction drive cutting die pedestal with
Blanking table top displacement, driving cutting die spiral gyration, make cutting die accurately above fabric, push cutting die and complete severing.System
Constantly repeat to take pictures, calculate the step of offset, contraposition severing, so as to efficiently, accurately, full-automatic complete the severing of fabric
Work.
To achieve these goals, the technical solution adopted by the present invention is as follows：
A kind of visual-alignment automatic cutting machine, including severing machine frame, servomotor, actuating unit, leading screw, PLC control
Device, blanking table top, cutting die pedestal, cutting die disk, guide rail；Guide rail and leading screw are set in parallel in severing machine frame, cutting die pedestal peace
On guide rail and leading screw, its lower end sets cutting die disk；Cutting die pedestal is turned under the control of PLC by servomotor
Dynamic leading screw drives the transverse movement on guide rail of cutting die pedestal, actuating unit control cutting die pedestal vertical movement, on blanking table top
Fabric carry out severing, it is characterised in that：Also including vision take pictures component and contraposition computing system；Vision is taken pictures component and cutting die
Pedestal is fixed, and it possesses identical coordinate system with cutting die pedestal；Vision, which is taken pictures between component and contraposition computing system, electric signal
Connection, the picture data of shooting are transferred to contraposition computing system by electric signal connection；It is according to design to align computing system
The computer that control method is calculated and controlled, it possesses multigroup electric signal between PLC and is connected.
Further, vision component of taking pictures includes support and camera, and support is fixedly connected with cutting die pedestal, shooting
Head is fixedly connected with support.
Further, vision assembly support of taking pictures also includes camera height adjustment mechanism, for adjusting camera
Height, with adjust its shoot field range.
Further, vision assembly support lower end of taking pictures is additionally provided with lighting device, and it is pre- shooting fabric region
Enough illumination is provided.
Further, the electric signal connection of the contraposition computing system and PLC includes：Align computing system to
PLC transmission is horizontal, longitudinal direction connects with the electric signal of anglec of rotation correction；PLC passes to contraposition computing system
The electric signal connection of defeated cutting die pedestal signal in place；PLC transmits cutting die base position coordinate to contraposition computing system
Electric signal connects.
The invention also discloses the control method of above-mentioned visual-alignment automatic cutting machine, it is characterised in that cutting die pedestal with
Vision takes pictures component to be rigidly connected, and is synchronized with the movement, possesses common coordinate system；Vision takes pictures component in contraposition computing system
The lower shooting of control treats cutting surface material photo and photo is transferred into contraposition computing system, and contraposition computing system carrys out thecamera head
Photo be compared with the reference data photo that calculator memory stores up, site error and correction are calculated, horizontal amendment
Amount, longitudinal correction, rotation correction are transferred to PLC；PLC is horizontal by Serve Motor Control cutting die pedestal
Moved by correction, control cutting die disk to be rotated by rotation correction by rotation control mechanism, controlled by automatic feed mechanism
Blanking table top is moved by longitudinal correction, is controlled the cutting die disk on cutting die pedestal to push by actuating unit and is completed severing action；
After the completion of severing, PLC retreats cutting die pedestal by step distance set in advance, in place afterwards by cutting die base position coordinate
Contraposition computing system is transferred to cutting die pedestal signal in place, and contraposition computing system sends finger of taking pictures to vision component of taking pictures again
Order, by the continuous repetitive operation of above-mentioned control planning；After horizontal cutting sets knife number, PLC passes through automatic feeding system
Driving blanking table top drives fabric to vertically move a cutting die distance, and PLC drives cutting die pedestal reverse execution severing, then
It is secondary to press above-mentioned control planning repetitive operation until shutting down.
Further, the reference data photo determines in accordance with the following steps：
The first step：Severing original position fixes one greatly in the monochromatic material of cutting die on blanking table top, manually operated
Cutting die pedestal is moved to directly over monochromatic material, the knife of severing one, on monochromatic material severing go out a hole consistent with cutting die；
Second step：On the fabric for preparing processing, the sheet stock of start position first is cut down a piece of cut-parts according to profile, will be cut out
The hole that piece is accurately aimed on blank sheet of paper places；
3rd step：Manually operated cutting die pedestal moves at cut-parts, the take pictures camera of component of vision is being located at cut-parts just
Top, shoots a photo, and photo is transferred to contraposition computing system as reference data photo；
4th step：Obvious, readily identified point, which is contrasted, in contraposition computing system, on selection photo is set as reference data
Point.
The monochromatic material is a blank sheet of paper.
The invention thinking of above-mentioned automatic cutting machine is as follows：Before carrying out severing action every time, vision takes pictures component first to pre-
Severing fabric region is taken pictures, and fabric outline position is shot for photo, photo is sent to contraposition computing system, and contraposition calculates
System according to profile in photo relative to the deviation position of reference point calculate driving cutting die pedestal and blanking table top movement away from
From and cutting die disk the anglec of rotation, PLC according to contraposition computing system transmission come correction drive cutting die pedestal with
Blanking table top displacement, driving cutting die spiral gyration, make cutting die accurately above fabric, push cutting die and complete severing.System
Constantly repeat to take pictures, calculate the step of offset, contraposition severing, so as to efficiently, accurately, full-automatic complete the severing of fabric
Work.
In summary, the beneficial effects of the present invention are：1) pre- severing fabric can be taken pictures continuous and automatic
With contraposition severing, so as to which the accuracy of severing, yield rate and production efficiency be greatly improved, the waste of material is effectively avoided；
2) after the present invention sets program startup, it is possible to be automatically performed severing operation, cutting machine of the present invention is equivalent to 8 people to 10 people's
Artificial severing efficiency, almost without manual intervention, significantly reduces cost of labor, in the case of the high enterprise of cost of labor instantly
The employment of enterprise can largely be saved into cost, there are good market prospects.
Brief description of the drawings
Fig. 1 is the schematic diagram of MULTILAYER COMPOSITE belt profile pattern fabric；
Fig. 2 is the structural representation of visual-alignment automatic cutting machine；
Fig. 3 is that vision is taken pictures the structural representation of component；
Fig. 4 is that the vision with governor motion is taken pictures component structure diagram；
Fig. 5 is the control planning block diagram of visual-alignment automatic cutting machine；
Fig. 6 is visual-alignment automatic cutting machine working-flow figure.
Wherein：A- fabric patterns top layer；B- fabric interlayers；C- fabric bottoms；
1- visions are taken pictures component；101- cameras；102- illuminating lamps 1；103- illuminating lamps 2；
104- supports；105- set screws；
2- aligns computing system；3-PLC controllers；4- guide rails；5- leading screws；
6- servomotors；7- cutting die pedestals；8- cutting die disks；9- blanking table tops.
Embodiment
Below with regard to visual-alignment automatic cutting machine of the present invention shoe-making field application, with reference to accompanying drawing to the present invention make
Further instruction.
The Novel upper material mentioned on background technology is as shown in figure 1, be a kind of novel multi-layer composite band contour patterns
Fabric, in this material of severing, it is desirable to which cutting die will fit like a glove with the outer contour being printed on fabric pattern top layer A.Cause
It is likely to be inconsistent to be printed on the profile transverse and longitudinal on top layer and angle, so can not be fixed by setting cutting die stepping
The mode severing of spacing, cutting die disc spins fixed angle, each knife severing are required for accurately being aligned.This material not only limits diagram
Three layers, it is also possible to two layers or multilayer because surface is printed with the general character of cutting die profile, be required for lifted cutting machine it is automatic
Change horizontal.
Fig. 2 is the structural representation of visual-alignment automatic cutting machine provided by the invention.As illustrated, wherein, contraposition meter
Calculation system 2 is responsible for the fabric photo of the shooting of comparing calculation camera 101 and the mistake for the reference data photo being stored in computer
Difference, and correction is calculated according to the coordinate of cutting die pedestal 7, it is transferred to PLC 3；Vision is taken pictures component 1 and cutting die pedestal
7 are rigidly connected, and are synchronized with the movement, and possess common coordinate system with cutting die pedestal 7；PLC 3 is responsible for driving components described below by such as
Under type is moved：1) servomotor 6 is driven to drive cutting die pedestal 7 to be transported along guide rail 4 horizontal (i.e. left and right directions in figure) by leading screw 5
It is dynamic；2) cutting die disk 8 is driven by certain angle rotation cutting die；3) it is responsible for driving blanking table top 9 along longitudinal direction (i.e. fore-and-aft direction in figure)
Motion；4) actuating unit (generally oil sector, figure not shown in) for being responsible for the work of driving cutting die pedestal 7 pushes and lifts cutting die
Disk 8 drives cutting die to complete blanking severing work；In addition PLC also believes cutting die base position coordinate and cutting die pedestal in place
Number it is transferred to contraposition computing system 2；Cutting machine of the present invention also includes system and part essential to other conventional cutting machines,
Such as：Oil hydraulic system, automatic feeding system etc., because not being the invention main points of the present invention, while it need not be related to when illustrating of the invention
And so in the diagram and be not drawn into, do not draw and do not represent the present invention and do not include these indispensable systems and part.
Vision take pictures component structural representation component 1 as shown in figure 3, vision is taken pictures support 104 can be one into
Type or combined and be formed by fixedly connecting by a plurality of rigid material, it is rigidly connected with cutting die pedestal 7, camera 101 with
It is rigidly connected between support 104.It is described it is rigidly connected be meant that when cutting machine works, vision is taken pictures component 1 and cutting die
It will not be subjected to displacement between pedestal 7, to ensure that take pictures component 1 and cutting die pedestal 7 of vision possesses common, consistent coordinate system,
Camera 101 can be calculated by the present position coordinate reinforcing definite value of cutting die pedestal 7 and shoot vamp material within sweep of the eye
The position coordinates of upper reference point；Fig. 4 further describes the vision with governor motion and taken pictures component structure diagram, and vision is taken pictures
Set screw 105 can also be set on the support 104 of component 1, for adjusting the height and shooting visual field model of camera 101
Enclose；As shown in Figure 3, Figure 4, the take pictures lower end of support 104 of component 1 of vision is provided with illuminating lamp 1 and illuminating lamp 2 103, is
Camera 101 shoots fabric field range and provides enough illumination, so that the photo of shooting is clear enough.To reach offer illumination
Purpose, the illuminating lamp be not limited only to two or one either it is multiple, its position is also not limited under support
End, its position also can be what can be adjusted；Camera 101 has electrical signal line to be connected with contraposition computing system 2, and the photo of shooting leads to
Cross electric signal connection and be transferred to contraposition computing system 2.
Control planning between cutting machine system of the present invention and part is further illustrated below.As shown in figure 5, cutting die pedestal is with regarding
Feel takes pictures component to be rigidly connected, and is synchronized with the movement, and possesses common coordinate system, and vision is taken pictures control of the component in contraposition computing system
The lower shooting of system treats severing vamp material photo and photo is transferred into contraposition computing system, and contraposition computing system is thecamera head
The photo come is compared with the reference picture that calculator memory stores up, according to reference data calculation position error and correction,
Horizontal correction, longitudinal correction, rotation correction are transferred to PLC；PLC passes through Serve Motor Control cutting die
Pedestal is laterally moved by correction, is controlled cutting die disk to be rotated by rotation correction by rotation control mechanism, is passed through self-feeding
Mechanism controls blanking table top is moved by longitudinal correction, is controlled by actuating unit such as oil pressure cutting mechanism on cutting die pedestal
Cutting die disk, which pushes, completes severing action；After the completion of severing, PLC retreats cutting die pedestal by step distance set in advance,
Cutting die base position coordinate and cutting die pedestal signal in place are transferred to contraposition computing system afterwards in place, contraposition computing system is again
Photographing instruction is sent to vision component of taking pictures, by the continuous repetitive operation of above-mentioned control planning；After horizontal cutting sets knife number,
PLC drives blanking table top to drive fabric to vertically move a cutting die distance by automatic feeding system, and PLC is driven
Moving knife mold base reverse execution severing, again by above-mentioned control planning repetitive operation until shutting down.
In order to complete above-mentioned work, it is necessary to a reference data coordinate be set for contraposition computing system, specifically, with reference to base
It is as follows accurately to determine method and step：
The first step：Severing original position fixes one greatly in the monochromatic material of cutting die on blanking table top 9, manually operated
Cutting die pedestal 7 is moved to directly over monochromatic material, the knife of severing one, on monochromatic material severing go out a hole consistent with cutting die
Hole；
Second step：It is on the fabric for preparing processing, the sheet stock of start position first is next according to the outline cutting of its pattern
Piece cut-parts, the hole that cut-parts are accurately aimed at cutting out on above-mentioned monochromatic material is placed；
3rd step：Manually operated cutting die pedestal 7 moves at cut-parts, make vision take pictures component 1 camera 101 positioned at cutting out
Directly over piece, a photo is shot, photo is transferred to contraposition computing system 2；
4th step：Obvious, readily identified point is contrasted in contraposition computing system 2, on selection photo to be set as referring to base
On schedule；
Monochromatic material, preferably a blank sheet of paper described in the above-mentioned first step, second step, it is therefore an objective to the sanction for shooting the 3rd step
The background of piece reference data photo is pure color, is judged with facilitating contraposition computing system 2 to carry out accurately identification.
After determining method operation by the reference data, contraposition computing system 2 sets up one relative to cutting die base
The reference data of 7 coordinate system zero-bits of seat, i.e., have a piece of cut-parts relative to the somewhere coordinate of coordinate zero-bit, because being according to severing list
What the position of coloured paper was placed, so it strictly coincide with cutting die, the cut-parts at the coordinate have shot photo deposit contraposition and have calculated system
System, and contraposition reference point is provided with photo, this includes accurate coordinate and sets the reference picture of reference point, makees
To shoot the contrasting foundation of photo during continuous automatic severing afterwards.
Specifically, the preparation operating process before continuous automatic severing starts is as follows：
The first step：Feeding is big by the hole of initiating terminal the first block profile of full wafer fabric and the cut-parts on blanking table top
Alignment is caused, then monolithic is fixed on blanking table top 9；
Second step：Horizontal, longitudinal substantially spacing of profile on fabric is measured, horizontal knife number is calculated, numerical value is inputted
PLC 3；
3rd step：By the back to zero position of cutting die pedestal 7, the take pictures camera 101 of component 1 of manually operated vision is moved to material
The surface approximate location of one knife；
4th step：Start cutting machine automatic operation mode, cutting machine can be continuously automatic by control method of the present invention
Carry out accurate severing work.
In above-mentioned steps, during the first step feeding profile hole of material be prior severing out, it is therefore an objective to it is convenient with
Expect the cut-parts alignment on table top 9, measurement transverse and longitudinal substantially spacing described in the rough alignment, second step described in the first step and the
The surface approximate location of the knife of material first is moved to described in three steps, " substantially " is meant that without very strict, because ginseng
Examine reference picture it has been established that each knife severing during automatic work be all to be taken pictures, comparing calculation, and provide correction
Severing is just carried out afterwards.
The control method of visual-alignment automatic cutting machine provided by the invention, be one kind make vision take pictures component and contraposition count
The method for calculating the work of system order continuous control cutting machine, after manual actuation cutting die pedestal 7 is moved to work starting position, start
Automatic operation mode, visual-alignment automatic cutting machine working-flow is as shown in fig. 6, control method is as described below：
PLC sends cutting die pedestal signal in place and cutting die base position coordinate signal to contraposition computing system, right
Position computing system control vision is taken pictures the camera shooting photo of component, and photo is transferred to contraposition computing system, and contraposition calculates system
Statistics calculates the error amount of photo and reference data photo, calculates photo and the horizontal longitudinal direction of benchmark and the offset of the anglec of rotation
(specifically for cutting die pedestal is horizontal, blanking table top is longitudinal, cutting die disc spins offset), and transmitted according to PLC
The current cutting die base position coordinate come calculates horizontal cutting die pedestal, blanking table top longitudinal direction, the displacement correction amount of cutting die disk, should
Correction is transferred to PLC amendment data, and PLC driving cutting die pedestal is moved to accurate location and carries out severing, cuts out
After the completion of disconnected, cutting die signal in place is sent to contraposition computing system again after being moved in place after PLC control cutting die pedestal, from
It is dynamic constantly to be repeated by the control method.
It should be noted that it can also need to carry out according to real work in present invention specific implementation to improve or become as follows
Shape：
First, cancel the illuminating lamp that vision is taken pictures on component, as long as the illumination of cutting machine working region is enough, do not design illumination
Lamp does not influence the realization of the present invention；
2nd, vision is taken pictures component integration global design on cutting die pedestal, rather than passes through support and cutting die pedestal
It is fixed, the realization of the present invention is not influenceed；
3rd, vision component of taking pictures can not also be fixed with cutting die pedestal, and it also may be designed as being operated alone, but with cutting die base
Seat possesses common coordinate system, and it takes pictures contrast conting prior to cutting die pedestal self-movement to next severing position, so can be with
Withdrawing step is saved, further improves severing efficiency.
The present embodiment is illustrated with the severing of multilayer vamp material, and this is the cutting machine specifically should in one of shoe-making field
With, but shoe-making field is not limited only to, possess identical application value in industries such as leatherware processing, clothings.The content of specification exists
Technical scheme and be carried out in alloing professional and technical personnel in the field to understand according to it, can not with its limitation this
The protection domain of invention, all any deformations and retouching made according to present disclosure technology, each falls within protection model of the invention
Enclose.Protection scope of the present invention is defined by claims disclosure.
Claims (7)
1. a kind of visual-alignment automatic cutting machine, including severing machine frame, servomotor, actuating unit, leading screw, PLC,
Blanking table top, cutting die pedestal, cutting die disk, guide rail；Guide rail and leading screw are set in parallel in severing machine frame, and cutting die pedestal is arranged on
On guide rail and leading screw, its lower end sets cutting die disk；Cutting die pedestal rotates silk under the control of PLC, by servomotor
Thick stick drives the transverse movement on guide rail of cutting die pedestal, actuating unit control cutting die pedestal upper slitter mould vertical movement, to blanking bench
Fabric on face carries out severing, it is characterised in that：Also including vision take pictures component and contraposition computing system；Cutting die pedestal and vision
Component of taking pictures is synchronized with the movement to be rigidly connected, and possesses common coordinate system, and vision is taken pictures control of the component in contraposition computing system
Lower shooting treats severing vamp material photo and photo is transferred into contraposition computing system, and contraposition computing system carrys out thecamera head
Photo be compared with the reference picture that calculator memory stores up, according to reference data calculation position error and correction, horizontal stroke
PLC is transferred to correction, longitudinal correction, rotation correction；PLC passes through Serve Motor Control cutting die base
Seat is laterally moved by correction, is controlled cutting die disk to be rotated by rotation correction by rotation control mechanism, is passed through autoloader
Structure controls blanking table top to be moved by longitudinal correction, and the cutting die disk on cutting die pedestal is controlled by actuating unit oil pressure cutting mechanism
Push and complete severing action；After the completion of severing, PLC by step distance set in advance retreat cutting die pedestal, in place after
Cutting die base position coordinate and cutting die pedestal signal in place are transferred to contraposition computing system, contraposition computing system is again to vision
Component of taking pictures sends photographing instruction, by the continuous repetitive operation of above-mentioned control planning；After horizontal cutting sets knife number, PLC controls
Device drives blanking table top to drive fabric to vertically move a cutting die distance, PLC driving cutting die by automatic feeding system
Pedestal reverse execution severing, again by above-mentioned control planning repetitive operation until shutting down；Vision takes pictures component with aligning calculating system
There is electric signal connection between system, the picture data of shooting is transferred to contraposition computing system by electric signal connection；Contraposition calculates system
Unite as the computer for being calculated and being controlled according to the control method of design, it possesses multigroup electric signal between PLC
Connection；The connection of the electric signal of contraposition computing system and PLC includes：Align computing system to PLC transmit laterally,
Longitudinal direction connects with the electric signal of anglec of rotation correction；PLC transmits cutting die pedestal signal in place to contraposition computing system
Electric signal connection；PLC connects to the electric signal of contraposition computing system transmission cutting die base position coordinate.
2. a kind of visual-alignment automatic cutting machine according to claim 1, it is characterised in that the vision is taken pictures component bag
Support and camera are included, support is fixedly connected with cutting die pedestal, and camera is fixedly connected with support.
3. a kind of visual-alignment automatic cutting machine according to claim 2, it is characterised in that the vision is taken pictures component
Support also includes camera height adjustment mechanism, and for adjusting the height of camera, field range is shot to adjust it.
4. a kind of visual-alignment automatic cutting machine according to claim 2, it is characterised in that the vision is taken pictures component
Pedestal lower end is additionally provided with lighting device, and it provides enough illumination for pre- shooting fabric region.
5. a kind of control method of visual-alignment automatic cutting machine, it is characterised in that cutting die pedestal and vision component of taking pictures are firm
Property connection, be synchronized with the movement, possess common coordinate system；Vision take pictures component contraposition computing system control under shooting treat severing
Photo is simultaneously transferred to contraposition computing system by vamp material photo, the photo and calculating that contraposition computing system carrys out thecamera head
The reference data photo of machine memory storage is compared, and calculates site error and correction, and horizontal correction, longitudinal direction are corrected
Amount, rotation correction are transferred to PLC；PLC is laterally transported by Serve Motor Control cutting die pedestal by correction
It is dynamic, control cutting die disk to be rotated by rotation correction by rotation control mechanism, control blanking table top to press by automatic feed mechanism
Longitudinal correction motion, control the cutting die disk on cutting die pedestal to push by actuating unit and complete severing action；After the completion of severing,
PLC retreats cutting die pedestal by step distance set in advance, in place afterwards by cutting die base position coordinate and cutting die pedestal
Signal in place is transferred to contraposition computing system, and contraposition computing system sends photographing instruction to vision component of taking pictures again, by above-mentioned
The continuous repetitive operation of control planning；After horizontal cutting sets knife number, PLC drives blanking bench by automatic feeding system
Face drives fabric to vertically move a cutting die distance, PLC driving cutting die pedestal reverse execution severing, again by above-mentioned control
Relation repetitive operation processed is until shut down.
6. the control method of visual-alignment automatic cutting machine according to claim 5, it is characterised in that the reference data is shone
Piece determines in accordance with the following steps：
The first step：Severing original position fixes one greatly in the monochromatic material of cutting die, manually operated cutting die on blanking table top
Pedestal is moved to directly over monochromatic material, the knife of severing one, on monochromatic material severing go out a hole consistent with cutting die；
Second step：On the fabric for preparing processing, the sheet stock of start position first is cut next outer fabric panel according to profile, will be cut out
The hole that piece is accurately aimed on blank sheet of paper places；
3rd step：Manually operated cutting die pedestal moves at cut-parts, the take pictures camera of component of vision be located at cut-parts surface,
A photo is shot, photo is transferred to contraposition computing system as reference data photo；
4th step：Obvious, readily identified point, which is contrasted, in contraposition computing system, on selection photo is set as reference point.
7. the control method of visual-alignment automatic cutting machine according to claim 6, it is characterised in that the monochromatic material
For a blank sheet of paper.
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