CN105881632B - Sizing material cut-to-length system and method - Google Patents
Sizing material cut-to-length system and method Download PDFInfo
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- CN105881632B CN105881632B CN201610172992.5A CN201610172992A CN105881632B CN 105881632 B CN105881632 B CN 105881632B CN 201610172992 A CN201610172992 A CN 201610172992A CN 105881632 B CN105881632 B CN 105881632B
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- sizing material
- length
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- conveying device
- pick
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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
- 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
- B26D5/20—Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting with interrelated action between the cutting member and work feed
- B26D5/22—Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting with interrelated action between the cutting member and work feed having the cutting member and work feed mechanically connected
- B26D5/24—Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting with interrelated action between the cutting member and work feed having the cutting member and work feed mechanically connected including a metering device
Abstract
Sizing material cut-to-length system, including conveying device, cutting device, dynamical system are the power source of conveying device；Also bag image collecting device and controller, benchmark zero point and image center are provided with along the conveying direction of conveying device, and the distance between benchmark zero point and image center are equal to the sizing material length for needing severing；The cutting device is arranged at the benchmark zero point of conveying device, described image harvester includes pick-up lens, pick-up lens is located at the surface of conveying device, and towards the upper surface of conveying device, center and the image center of pick-up lens are located in same vertical plane；Controller receives the image information of image acquisition device, and controller computing unit calculates control signal, and cutting device receives the control signal of controller, performs severing action；Dynamical system receives the control signal of controller, controls the transporting velocity of conveying device.The apparatus and method can be realized to the detection of sizing material accurate fixed-length, cut-to-length.
Description
Technical field
The invention belongs to intelligent machine technical field, it is related to a kind of tyre stock cutter, specifically, is related to one kind
Sizing material cut-to-length device and method in tire production process.
Background technology
The automation of rubber tyre equipment, it is unmanned be current rubber tyre equipment developing direction.Wherein tire production
In automation have to solve a problem be exactly sizing material accurate fixed-length severing.
Existing sizing methods mainly have two kinds：Firstth, since zero point (severing position), by servomotor or frequency conversion
Motor drives conveyer belt to be fed forward sizing material, while drive detection sizing material displacement by encoder and motor, when detection away from
From it is consistent with preseting length when stop conveying realizing fixed length, there are mechanical transmission errors in this kind of method, at the same measurement scope be
Sizing material total length, deviation is larger；Secondth, drive conveyer belt to be fed forward sizing material by servomotor or variable-frequency motor, join from detection
Examination point (detection switch test position) starts, and drives detection sizing material to move forward distance by encoder and motor and is used as detection
Value, is added detected value with initial value (cut-off knife and detection switch spacing) as fixed length foundation, when detected value and initial value sum
Stop conveying when consistent with preseting length and realize fixed length, although this kind of method reduces detection range, but equally exists mechanical biography
Dynamic error, and there is also the delayed detection error for causing of system feedback.
The technology that existing Fixed Length Test is used uses open-loop control method, will switch detection or default
Initial value, as examination criteria, and is used as reference by drive system output and the feedback of encoder, calculates the length of sizing material conveying
Degree, in this, as the foundation of cut-to-length, the problem that this method is present is that system is in open loop, it is impossible to which detection is passed because of machinery
The error that dynamic and system feedback deviation is caused, sizing material error in length is excessive after causing severing, it is impossible to meet use requirement.
The content of the invention
The purpose of the present invention is to solve the shortcomings of the prior art, there is provided one kind can carry out Fixed Length Test to sizing material, determine
The sizing material cut-to-length system and method for severing long.
The technical scheme is that：Sizing material cut-to-length system, including conveying device, cutting device, also bag image are adopted
Acquisition means and controller, conveying device are connected to servomotor or variable-frequency motor, used as the dynamical system of conveying device, control conveying
The work of device.The conveying direction mark of conveying device is provided with benchmark zero point and image center, benchmark zero point and image
Central point is equal to the sizing material length for needing severing as two position reference points, distance therebetween.Cutting device is arranged at defeated
Send at the benchmark zero point of device, image collecting device includes pick-up lens, pick-up lens is located at the surface of conveying device, camera lens
Direction towards the upper surface of conveying device；The center of pick-up lens is located in same perpendicular with image center.Control
Device includes data receipt unit, computing unit；Data receipt unit receives the image information of image acquisition device, calculates single
Unit calculates control signal, and cutting device receives the control signal of controller, performs severing action.Dynamical system receives controller
Control signal, controls the transporting velocity of conveying device.
Preferably：Also include light source, installed in the side of image collecting device, towards the camera watch region of pick-up lens.
Light source is used to be provided for the work of pick-up lens the working environment of illumination, it is ensured that the IMAQ quality of pick-up lens.
Preferably：The position of benchmark zero point or image center is adjustable, i.e. the position of cutting device or camera head
It is position-movable.For example, moving track can be designed, cutting device and camera head are installed on moving track, work as needs
During adjustment severing length, the position of mobile cutting device or camera head makes distance therebetween be equal to the sizing material for treating severing
Length.Therefore, the system is applied to the sizing material of the various length of severing.
Sizing material cut-to-length method：
According to the length of the sizing material for needing severing, the position of setting benchmark zero point and image center, fixed cutting device and
The position of pick-up lens；
Sizing material is placed in conveying device, starts conveying device, and sizing material is conveyed from benchmark zero point to the direction of image center；
If the detection range of pick-up lens is " L ", sizing material starts into the detection range of pick-up lens, and pick-up lens starts
Work, controller is delivered to by the picture of shooting；
The picture that controller analysis is received, calculates the alternate position spike between the position of sizing material material head and image center 7, then glue
The distance between material material head and benchmark 0. 6；
When the alternate position spike between the position of sizing material material head and image center is zero, start shearing device, sizing material is cut
It is disconnected.
The beneficial effects of the invention are as follows：
The position that is fed forward by pick-up lens real-time detection sizing material head of the present invention, will actual measurement sizing material head position and
The distance of benchmark zero point as sizing material fixed length error detected value, and by image acquisition data control sizing material conveying mechanism adjust
Whole transporting velocity and stop position realize that detected value is consistent with preseting length, realize accurate fixed-length, relative to traditional open loop control
Method processed, it is not necessary to rely on switch block and mechanical part detection sizing material length, overcome system mechanics transmission deviation and system
The delayed fixed length error for causing of control feedback.
Brief description of the drawings
Fig. 1 is that sizing material passes through benchmark zero point position view.
Fig. 2 is sizing material feed status structural representation.
Fig. 3 is that sizing material passes through image center position view.
Wherein, 1- sizing materials, 2- cutting devices, 3- pick-up lens, 4- light sources, 5- conveying devices, 6- benchmark zero points, 7- images
Central point, the detection range of L- pick-up lens
Specific embodiment
Specific embodiment of the invention is further detailed below in conjunction with accompanying drawing.
As shown in Figure 1 to Figure 3, sizing material cut-to-length system, including conveying device 5, cutting device 2, also bag IMAQ
Device and controller.
Conveying device 5 is connected to servomotor or variable-frequency motor, and used as the dynamical system of conveying device, control conveying device is
No execution conveying action.The conveying direction of conveying device is provided with benchmark 0. 6 and image center 7, benchmark 0. 6 and figure
Inconocenter point 7 is equal to the sizing material length for needing severing as two position reference points, distance therebetween.Cutting device 2 is set
At the benchmark 0. 6 of conveying device 5.
Image collecting device includes pick-up lens 3, and pick-up lens 3 is located at the surface of conveying device 5, pick-up lens 3
Direction is towards the upper surface of conveying device 5, and the end face of pick-up lens 3 is parallel with the upper surface of conveying device 5；Pick-up lens 3
Center is located in same perpendicular with image center 7.
Controller includes data receipt unit, computing unit；Data receipt unit receives the figure of image acquisition device
As information, computing unit calculates control signal, and cutting device 2 receives the control signal of controller, performs severing action.Dynamical system
System receives the control signal of controller, controls the transporting velocity of conveying device.
Also include light source 4, installed in the side of pick-up lens 3, towards the camera watch region of pick-up lens 3.The irradiation of light source 4
Region will cover the detection range of pick-up lens 3, and the working environment of illumination is provided for the work for pick-up lens 3, it is to avoid due to
Light is excessively dark, causes the IMAQ Quality Down of pick-up lens 3.
The position of benchmark 0. 6 or image center 7 is adjustable, i.e. the position of camera head 3 is not fixed, but can
It is mobile.This structure be in order to adapt to the demand of various severing length, if the position of the position of camera head 3 is fixed,
A kind of demand of severing specification can only be met.Design moving track, camera head 3 be arranged on moving track on, when need adjust
During whole severing length, the position of camera head 3 is adjusted along moving track, make distance therebetween equal to the sizing material for treating severing
Length.
The method for performing sizing material sizing material cut-to-length using the device is as follows：
If needing the length of severing sizing material for l, according to the length of the sizing material for needing severing, benchmark 0. 6 and picture centre are set
The position of the position of point 7, fixed cutting device 2 and pick-up lens 3, makes distance therebetween be equal to l；
Sizing material is placed in conveying device, starts dynamical system, and conveying device works, and sizing material is from benchmark zero point to picture centre
The direction conveying of point；
If the detection range of pick-up lens 3 is that " L " (" L " is used to represent the lateral length scope that pick-up lens 3 is taken pictures, one
As in the case of, the shot region of pick-up lens 3 is circle, and " L " is used to represent the diameter of camera watch region), sizing material enters camera lens
First 3 detection range starts, and pick-up lens 3 starts work, and the picture of shooting is delivered into controller；
The picture that controller analysis is received, calculates the alternate position spike Δ e between the position of sizing material material head and image center 7,
Then the distance between sizing material material head and benchmark 0. 6 S=l- Δs e；
When the alternate position spike Δ e between the position of sizing material material head and image center is zero, S=l, now, benchmark zero point
The length of the sizing material and image center between is equal to the length of sizing material to be cut off.Start shearing device, sizing material is cut off.
Claims (3)
1. the method for sizing material cut-to-length, is realized based on sizing material cut-to-length system, and the sizing material cut-to-length system includes
Conveying device, cutting device, dynamical system are the power source of conveying device；It is characterized in that：Also bag image collecting device and control
Device processed, is provided with benchmark zero point and image center, between benchmark zero point and image center along the conveying direction of conveying device
Distance be equal to and need the sizing material length of severing；The cutting device is arranged at the benchmark zero point of conveying device, and described image is adopted
Acquisition means include pick-up lens, and pick-up lens is located at the surface of conveying device, towards the upper surface of conveying device, pick-up lens
Center and image center be located in same vertical plane；Controller receives the image information of image acquisition device, control
Device computing unit calculates control signal, and cutting device receives the control signal of controller, performs severing action；Dynamical system is received
The control signal of controller, controls the transporting velocity of conveying device；
Sizing material cut-to-length method, comprises the following steps：
According to the length of the sizing material for needing severing, the position of setting benchmark zero point and image center, fixed cutting device and shooting
The position of camera lens；
Sizing material is placed in conveying device, starts conveying device, and sizing material is conveyed from benchmark zero point to the direction of image center；
If the detection range of pick-up lens is " L ", sizing material starts into the detection range of pick-up lens, and pick-up lens starts work
Make, the picture of shooting is delivered to controller；
The picture that controller analysis is received, calculates the alternate position spike Δ e between the position of sizing material material head and image center, then sizing material
The distance between material head and benchmark zero point S=l- Δs e；
When the alternate position spike Δ e between the position of sizing material material head and image center is zero, S=l starts shearing device, by glue
Material cut-out.
2. sizing material cut-to-length method as claimed in claim 1, it is characterised in that：The sizing material cut-to-length system also includes
Light source, installed in the side of image collecting device, towards the camera watch region of pick-up lens.
3. sizing material cut-to-length method as claimed in claim 1, it is characterised in that：The position of image center is adjustable, that is, take the photograph
It is position-movable as device.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610172992.5A CN105881632B (en) | 2016-03-24 | 2016-03-24 | Sizing material cut-to-length system and method |
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| CN201610172992.5A CN105881632B (en) | 2016-03-24 | 2016-03-24 | Sizing material cut-to-length system and method |
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| CN105881632B true CN105881632B (en) | 2017-07-07 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106738422A (en) * | 2016-12-22 | 2017-05-31 | 江苏通用科技股份有限公司 | Mill cuts adhesive dispenser for glue automatically |
| CN110789000B (en) * | 2019-11-06 | 2021-04-23 | 北新建材（嘉兴）有限公司 | Gypsum board has high-speed saw of automatic length device of transferring |
| CN112248071B (en) * | 2020-11-02 | 2022-06-24 | 埃肯有机硅（上海）有限公司 | Full-automatic quantitative rubber cutting production process |
| CN113977669B (en) * | 2021-12-24 | 2022-05-03 | 杭州百子尖科技股份有限公司 | Automatic machine vision sheet defect eliminating method |
| CN116532719A (en) * | 2022-01-26 | 2023-08-04 | 宁德时代新能源科技股份有限公司 | Pole piece cutting method and control system |
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| DD280054A1 (en) * | 1989-02-14 | 1990-06-27 | Bandstahlkombinat Matern Veb | METHOD FOR CONTROLLING A CONTINUOUS CASTING SYSTEM WITH A CUTTING MACHINE |
| JPH09174325A (en) * | 1995-12-22 | 1997-07-08 | Sumitomo Metal Ind Ltd | Method and device for alighning end surfaces of large-sized materials |
| CN102009416A (en) * | 2009-09-05 | 2011-04-13 | 杨焕敏 | Automatically length-fixing plate shearing machine |
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| CN205552658U (en) * | 2016-03-24 | 2016-09-07 | 青岛万龙智控科技有限公司 | System is decided to sizing material fixed length |
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Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DD280054A1 (en) * | 1989-02-14 | 1990-06-27 | Bandstahlkombinat Matern Veb | METHOD FOR CONTROLLING A CONTINUOUS CASTING SYSTEM WITH A CUTTING MACHINE |
| JPH09174325A (en) * | 1995-12-22 | 1997-07-08 | Sumitomo Metal Ind Ltd | Method and device for alighning end surfaces of large-sized materials |
| JP4935129B2 (en) * | 2006-03-15 | 2012-05-23 | Ｊｆｅスチール株式会社 | Billet cutting method and billet cutting system |
| CN102009416A (en) * | 2009-09-05 | 2011-04-13 | 杨焕敏 | Automatically length-fixing plate shearing machine |
| JP2013119125A (en) * | 2011-12-06 | 2013-06-17 | Gunze Ltd | Apparatus for cutting fabric |
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Denomination of invention: Rubber fixed-length cutting system and method Effective date of registration: 20200122 Granted publication date: 20170707 Pledgee: Qingdao Huitong Chinese financing Company limited by guarantee Pledgor: QINGDAO WANLONG INTELLIGENT CONTROL TECHNOLOGY CO., LTD. Registration number: Y2020370010001 |
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Date of cancellation: 20210615 Granted publication date: 20170707 Pledgee: Qingdao Huitong Chinese financing Company limited by guarantee Pledgor: QINGDAO WANLONG INTELLIGENT TECHNOLOGY Co.,Ltd. Registration number: Y2020370010001 |
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