CN106019995B - To the control method of vacuum suction process when cutting fabric - Google Patents
To the control method of vacuum suction process when cutting fabric Download PDFInfo
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- CN106019995B CN106019995B CN201610493222.0A CN201610493222A CN106019995B CN 106019995 B CN106019995 B CN 106019995B CN 201610493222 A CN201610493222 A CN 201610493222A CN 106019995 B CN106019995 B CN 106019995B
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- state value
- vacuum
- vacuum degree
- control method
- fabric
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06H—MARKING, INSPECTING, SEAMING OR SEVERING TEXTILE MATERIALS
- D06H7/00—Apparatus or processes for cutting, or otherwise severing, specially adapted for the cutting, or otherwise severing, of textile materials
Abstract
The present invention carries out segmentation regulation and control to the vacuum degree during vacuum suction, is specifically divided into when providing a kind of cutting fabric to the control method of vacuum suction process, the control method：First stage, for vacuum degree by standard initial state value P0 gradual changes to first state value P1, first state value P1 is the vacuum degree for the not staggered floor of rubbing between layers for ensuring fabric；Second stage, vacuum degree persistently keeps first state value P1 constant, and keeps a period of time t；Phase III, vacuum degree is the second state value P2 by first state value P1 saltus steps, and keeps the second state value P2 constant, and the second state value P2 is when overcoming cut-off knife row knife to the required vacuum degree of lateral force caused by fabric.The present invention can preferably realize that fabric is ensured the consistency of fabric deflection during vacuum suction, ensure the cutting effect of high-quality.
Description
Technical field
The present invention relates to fabric tailoring technique field, control when more particularly to a kind of cutting fabric to vacuum suction process
Method processed.
Background technology
Cutting needs certain vacuum to adsorb fabric when cutting fabric, prevent fabric from sliding staggered floor, vacuum control process
As shown in Figure 1, P0 is vacuum setting value, Pc exports for vacuum, and after controller 3 receives vacuum setting value P0, vacuum occurs
Device 4 is controlled, and then exports vacuum, and detect vacuum output valve to determine whether reaching predetermined vacuum through vacuum transducer
Degree.Existing fabric is generally covered by overlay film 2 to ensure to seal on the surface of fabric 1, as shown in Figure 2, more preferably when cutting
Ground makes fabric be in nature extended position before being adsorbed, once vacuum starts to adsorb, the arrow direction in Fig. 2 is vacuum suction
Direction, since air penetrability difference and vacuum generate part unevenness, fabric 1 will produce deformation by ambient pressure, unfold shape naturally
State is broken, and is easily caused fabric staggered floor, is deformed the problems such as inconsistent.
Therefore, it is necessary to a kind of control methods carrying out automation control to vacuum suction process.
Invention content
In view of the foregoing deficiencies of prior art, the purpose of the present invention is to provide inhaled to vacuum when a kind of cutting fabric
The control method of attached process, for solving the problems, such as fabric easy staggered floor in vacuum suction in the prior art.
In order to achieve the above objects and other related objects, to vacuum suction process when the present invention provides a kind of cutting fabric
Control method, the control method carry out segmentation regulation and control to the vacuum degree during vacuum suction, are specifically divided into：
First stage, for vacuum degree by standard initial state value P0 gradual changes to first state value P1, first state value P1 is true
Guarantor face
The vacuum degree of the not staggered floor of rubbing between layers of material；
Second stage, vacuum degree persistently keeps first state value P1 constant, and keeps a period of time t；
Phase III, vacuum degree is the second state value P2 by first state value P1 saltus steps, and keeps the second state value P2
It is constant,
Second state value P2 is when overcoming cut-off knife row knife to the required vacuum degree of lateral force caused by fabric.
Preferably, in the first stage, vacuum degree arcuately rises to described by the standard initial state value P0
One state value P1, and be definite value t1 the time required to the first stage.
Preferably, the first state value P1 and the second state value P2 are related with fabric self-characteristic.
Preferably, the first state value P1 is that -0.08mbar arrives -0.12mbar.
Preferably, the second state value P2 is that -0.18mbar arrives -0.21mbar.
Preferably, specifically steps are as follows for regulation and control to the vacuum degree during vacuum suction for the control method：
1) vacuum generator starts to vacuumize, and controller obtains current vacuum level in real time, and judges that current vacuum level is
No to reach first state value P1, if not up to, vacuum generator continues to vacuumize, if reaching, vacuum generator holding is worked as
Initial vacuum degree is constant, enters step 2)；
2) it being timed using timer, controller obtains whether timer reaches the time t, if not up to, very
Empty generator keeps first state value P1 constant, if reaching, enters step 3)；
3) controller control vacuum pump continues to vacuumize, and vacuum degree is made to be rapidly reached the second state value P2, and protects
It holds constant.
Preferably, in the step 1), when the vacuum generator starts to vacuumize, timer is carried out at the same time timing,
Also obtain whether timer reaches time t1 while controller obtains current vacuum level in real time, controller controls the vacuum hair
Vacuum degree is become first state value P1 by raw device when timer reaches time t1.
As described above, the present invention when cutting fabric to the control method of vacuum suction process, have the advantages that：
Vacuum degree during vacuum suction is regulated and controled stage by stage, the first stage is used to ensure smoothly to realize the shape of not staggered floor
State ensures that the layer of fabric is flexible synchronous with layer；Second stage remains unchanged for vacuum degree, as straightway, allow fabric herein
Kept for a period of time fabric ingredient is made to stretch under state；Phase III is to be rapidly increased to the second state value by first state value P1
Then P2 keeps the second state value P2 constant, make fabric the degree of compression layer by layer synchronize with it is consistent, avoid staggered floor；The present invention passes through
Interim vacuum degree adjustment, it is ensured that fabric not staggered floor during vacuum suction.
Description of the drawings
The vacuum control process schematic that Fig. 1 is shown as.
The cutting fabric schematic diagram that Fig. 2 is shown as.
Fig. 3 is shown as the vacuum degree regulation and control curve during the vacuum suction of the present invention.
Fig. 4 be shown as the present invention when cutting fabric to the control flow chart of vacuum suction process.
Component label instructions
1 fabric
2 overlay films
3 controllers
4 vacuum generators
Specific implementation mode
Illustrate that embodiments of the present invention, those skilled in the art can be by this explanations by particular specific embodiment below
Content disclosed by book understands other advantages and effect of the present invention easily.
It please refers to Fig.1 to Fig.4.It should be clear that structure, ratio, size etc. depicted in this specification institute accompanying drawings, only to
Coordinate the revealed content of specification, so that those skilled in the art understands and reads, being not limited to the present invention can be real
The qualifications applied, therefore do not have technical essential meaning, the tune of the modification of any structure, the change of proportionate relationship or size
It is whole, in the case where not influencing the effect of present invention can be generated and the purpose that can reach, should all still fall in disclosed skill
In the range of art content can cover.Meanwhile in this specification it is cited as "upper", "lower", "left", "right", " centre " and
The term of " one " etc. is merely convenient to being illustrated for narration, rather than to limit the scope of the invention, relativeness
It is altered or modified, in the case where changing technology contents without essence, when being also considered as the enforceable scope of the present invention.
The present invention inhales vacuum the control method of vacuum suction process, the control method when providing a kind of cutting fabric
Vacuum degree during attached carries out segmentation regulation and control, is specifically divided into：As shown in figure 3,
First stage, for vacuum degree by standard initial state value P0 gradual changes to first state value P1, first state value P1 is true
Guarantor face
The vacuum degree of the not staggered floor of rubbing between layers of material；
Second stage, vacuum degree persistently keeps first state value P1 constant, and keeps a period of time t；
Phase III, vacuum degree is the second state value P2 by first state value P1 saltus steps, and keeps the second state value P2
It is constant,
Second state value P2 is when overcoming cut-off knife row knife to the required vacuum degree of lateral force caused by fabric.
The present invention is carried out by carrying out real-time monitoring to the vacuum degree during vacuum suction according to three phases
Regulation and control, first stage are used to ensure smoothly to realize the state of not staggered floor, ensure that the layer of fabric is flexible synchronous with layer；Second stage
It is remained unchanged for vacuum degree, as straightway, fabric is allowed to keep a period of time that fabric ingredient is made to stretch in this case；Third
Stage is to be rapidly increased to the second state value P2 by first state value P1, then keeps the second state value P2 constant, makes fabric
Layer by layer the degree of compression synchronize with it is consistent, avoid staggered floor；The present invention is adjusted by interim vacuum degree, it is ensured that face during vacuum suction
Expect not staggered floor.
To better ensure that not staggered floor, in the above-mentioned first stage, vacuum degree is arcuately risen by standard initial state value P0
It is definite value t1 to first state value P1, and the time required to the first stage, the first stage is arc section, definite value as shown in Figure 3
T1 is generally 1.0s-1.5s.Above-mentioned first stage, that is, vacuum generator, which starts to be evacuated down to vacuum degree, reaches first state value P1,
Vacuum degree needs in this stage seamlessly transit, it is ensured that fabric not staggered floor.
Above-mentioned first state value P1 and the second state value P2 are related with fabric self-characteristic, i.e., with the thickness of fabric, soft
The characteristics such as hard are related, and above-mentioned first state value P1 is generally -0.08mbar and arrives -0.12mbar, and first state value P1 is kept for one section
Time is to preferably make fabric ingredient be fully extended during vacuum suction.Above-mentioned second state value P2 be-
0.18mbar to -0.21mbar, the lateral force that fabric is generated when cut-off knife row knife when the second state value P2 can overcome cutting.
Above-mentioned first state value P1 keeps a period of time t, t to be generally 2.0s-2.5s, see that the t2 in Fig. 3, t2 are t1+t
The time value obtained refers generally to second stage and remains to cut-off knife setting in motion, when cut-off knife starts to cut fabric, i.e., extremely
Phase III, vacuum degree need saltus step (quickly increase and vacuumize) to the second state value P2, and during the cutting process, vacuum degree is kept
Second state value P2 is constant, you can make precoat layer compression degree synchronize with it is consistent.
The present invention controls vacuum suction process using controlling curve as shown in Figure 1, i.e., by vacuum suction mistake
Journey is divided into the above three stage and is regulated and controled, and to the vacuum degree during vacuum suction, specifically steps are as follows for regulation and control：See Fig. 4 institutes
Show,
1) vacuum generator starts to vacuumize, and controller obtains current vacuum level in real time, and judges that current vacuum level is
No to reach first state value P1, if not up to, vacuum generator continues to vacuumize, if reaching, vacuum generator holding is worked as
Initial vacuum degree is constant, enters step 2)；
2) it being timed using timer, controller obtains whether timer reaches the time t, if not up to, very
Empty generator keeps first state value P1 constant, if reaching, enters step 3)；
3) controller control vacuum pump continues to vacuumize, and vacuum degree is made to be rapidly reached the second state value P2, and protects
It holds constant.
To ensure that vacuum degree smoothly rises to first state value P1, above-mentioned steps 1 by standard initial state value P0) in,
When vacuum generator starts to vacuumize, timer is carried out at the same time timing, and controller also obtains while obtaining current vacuum level in real time
Take whether timer reaches time t1, controller controls the vacuum generator when timer reaches time t1, by vacuum degree
Become first state value P1, ensure the smooth state for realizing not staggered floor, ensures that the layer of fabric is flexible synchronous with layer.
In conclusion the present invention when cutting fabric to the control method of vacuum suction process, control is simple, is implemented as
This is low, the control figure in Fig. 1 can be used to realize, with obvious effects, safety coefficient is high, can preferably realize fabric by vacuum suction
The consistency for ensureing fabric deflection in the process, ensures the cutting effect of high-quality.So the present invention effectively overcomes existing skill
Various shortcoming in art and have high industrial utilization.
The above-described embodiments merely illustrate the principles and effects of the present invention, and is not intended to limit the present invention.It is any ripe
The personage for knowing this technology can all carry out modifications and changes to above-described embodiment without violating the spirit and scope of the present invention.Cause
This, institute is complete without departing from the spirit and technical ideas disclosed in the present invention by those of ordinary skill in the art such as
At all equivalent modifications or change, should by the present invention claim be covered.
Claims (7)
1. to the control method of vacuum suction process when a kind of cutting fabric, which is characterized in that the control method inhales vacuum
Vacuum degree during attached carries out segmentation regulation and control, is specifically divided into：
First stage, for vacuum degree by standard initial state value P0 gradual changes to first state value P1, first state value P1 is to ensure face
The vacuum degree of the not staggered floor of rubbing between layers of material；
Second stage, vacuum degree persistently keeps first state value P1 constant, and keeps a period of time t；
Phase III, vacuum degree is the second state value P2 by first state value P1 saltus steps, and keeps the second state value P2 constant,
Second state value P2 is when overcoming cut-off knife row knife to the required vacuum degree of lateral force caused by fabric.
2. to the control method of vacuum suction process when cutting fabric according to claim 1, it is characterised in that：Described
In one stage, vacuum degree arcuately drops to the first state value P1, and the first rank by the standard initial state value P0
It is definite value t1 the time required to section.
3. to the control method of vacuum suction process when cutting fabric according to claim 1, it is characterised in that：Described
One state value P1 and the second state value P2 are related with fabric self-characteristic.
4. to the control method of vacuum suction process when cutting fabric according to claim 3, it is characterised in that：Described
One state value P1 is that -0.08mbar arrives -0.12mbar.
5. to the control method of vacuum suction process when cutting fabric according to claim 3, it is characterised in that：It is described
Second state value P2 is that -0.18mbar arrives -0.21mbar.
6. to the control method of vacuum suction process when cutting fabric according to claim 1, it is characterised in that：The control
Specifically steps are as follows for regulation and control to the vacuum degree during vacuum suction for method processed：
1）Vacuum generator starts to vacuumize, and controller obtains current vacuum level in real time, and judges whether current vacuum level reaches
To first state value P1, if not up to, vacuum generator continues to vacuumize, if reaching, vacuum generator keeps current true
Reciprocal of duty cycle is constant, enters step 2）；
2）It being timed using timer, controller obtains whether timer reaches the time t, if not up to, vacuum hair
Raw device keeps first state value P1 constant, if reaching, enters step 3）；
3）Controller control vacuum pump continues to vacuumize, and vacuum degree is made to be rapidly reached the second state value P2, and keeps not
Become.
7. to the control method of vacuum suction process when cutting fabric according to claim 6, it is characterised in that：The step
Rapid 1）In, when the vacuum generator starts to vacuumize, timer is carried out at the same time timing, and controller obtains current vacuum in real time
Also obtain whether timer reaches time t1 while spending, controller controls the vacuum generator and reaches time t1 in timer
When, vacuum degree is become into first state value P1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610493222.0A CN106019995B (en) | 2016-06-24 | 2016-06-24 | To the control method of vacuum suction process when cutting fabric |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610493222.0A CN106019995B (en) | 2016-06-24 | 2016-06-24 | To the control method of vacuum suction process when cutting fabric |
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| CN106019995A CN106019995A (en) | 2016-10-12 |
| CN106019995B true CN106019995B (en) | 2018-07-31 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106827011A (en) * | 2016-12-22 | 2017-06-13 | 拓卡奔马机电科技有限公司 | Negative pressure of vacuum regulation electric-control system and the negative pressure of vacuum adjusting method of cutting |
| CN110524602A (en) * | 2018-05-23 | 2019-12-03 | 拓卡奔马机电科技有限公司 | Vacuum systems stabilisation and its antihunt means and device applied to cutting |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2054027A5 (en) * | 1969-12-09 | 1971-04-06 | Gerber Garment Technology Inc | |
| FR2444109A1 (en) * | 1978-12-12 | 1980-07-11 | Hoglund Stig | Cutter, for linings and waddings - having vacuum applied to table, to reduce bulk of porous materials to be cut |
| GB2146461A (en) * | 1983-08-16 | 1985-04-17 | Gerber Garment Technology Inc | Vacuum holddown system |
| CN102808313A (en) * | 2011-05-30 | 2012-12-05 | 上海和鹰机电科技股份有限公司 | Negative pressure keeping system for cutting machine |
-
2016
- 2016-06-24 CN CN201610493222.0A patent/CN106019995B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2054027A5 (en) * | 1969-12-09 | 1971-04-06 | Gerber Garment Technology Inc | |
| FR2444109A1 (en) * | 1978-12-12 | 1980-07-11 | Hoglund Stig | Cutter, for linings and waddings - having vacuum applied to table, to reduce bulk of porous materials to be cut |
| GB2146461A (en) * | 1983-08-16 | 1985-04-17 | Gerber Garment Technology Inc | Vacuum holddown system |
| CN102808313A (en) * | 2011-05-30 | 2012-12-05 | 上海和鹰机电科技股份有限公司 | Negative pressure keeping system for cutting machine |
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| CN106019995A (en) | 2016-10-12 |
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