CN108227478A - Method and system for stacking small rubber sheets into tire tread - Google Patents
Method and system for stacking small rubber sheets into tire tread Download PDFInfo
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- CN108227478A CN108227478A CN201711385819.4A CN201711385819A CN108227478A CN 108227478 A CN108227478 A CN 108227478A CN 201711385819 A CN201711385819 A CN 201711385819A CN 108227478 A CN108227478 A CN 108227478A
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- 238000000034 method Methods 0.000 title claims abstract description 24
- 238000000354 decomposition reaction Methods 0.000 claims abstract description 132
- 238000010030 laminating Methods 0.000 claims abstract description 92
- 238000004364 calculation method Methods 0.000 claims description 6
- 238000010586 diagram Methods 0.000 description 7
- 239000000463 material Substances 0.000 description 3
- 238000000465 moulding Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000011088 calibration curve Methods 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000011505 plaster Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
Classifications
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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
- G05B11/00—Automatic controllers
- G05B11/01—Automatic controllers electric
- G05B11/36—Automatic controllers electric with provision for obtaining particular characteristics, e.g. proportional, integral, differential
- G05B11/42—Automatic controllers electric with provision for obtaining particular characteristics, e.g. proportional, integral, differential for obtaining a characteristic which is both proportional and time-dependent, e.g. P. I., P. I. D.
-
- 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
- G05B19/05—Programmable logic controllers, e.g. simulating logic interconnections of signals according to ladder diagrams or function charts
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D5/00—Control of dimensions of material
- G05D5/04—Control of dimensions of material of the size of items, e.g. of particles
- G05D5/06—Control of dimensions of material of the size of items, e.g. of particles characterised by the use of electric means
-
- 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
- G05B2219/00—Program-control systems
- G05B2219/10—Plc systems
- G05B2219/15—Plc structure of the system
- G05B2219/15039—Display of reference, set value, of measured, feedback value
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Tyre Moulding (AREA)
Abstract
The invention provides a method and a system for stacking small rubber sheets into a tire tread, wherein the method comprises the following steps: the computer decomposes the tread section outline of the tire to be stacked according to the input shape parameters of the tire to be stacked to obtain a plurality of decomposed region information; the computer determines stacking track information of a current decomposition area of the laminating device and moving speed information of the current decomposition area according to decomposition area information of the current stacked film fed back by the laminating device; and the laminating device is used for carrying out film stacking on the tire to be stacked according to the stacking track information of the current decomposition area and the moving speed information of the current decomposition area. It also relates to a system comprising: computer, laminating device. The invention can accurately determine the decomposition area and stack according to the track, thereby greatly improving the stacking quality and simultaneously improving the quality of the tire.
Description
Technical field
The invention belongs to the method and system that tire manufacturing art more particularly to a kind of Minifilm are stacked into tire tread.
Background technology
Tyre surface is a component critically important in tire, its stability directly affects performance and the service life of tire.It is existing
Some tyre surfaces is stacked in forming technique mostly by the way of opened loop control, and the precision of opened loop control and stability completely by
Controlling model and control algolithm determine, therefore the tire tread made mostly, there are bigger error, precision is low.
Invention content
The technical problems to be solved by the invention are：There are bigger mistakes for the tire tread made in the prior art
Difference, precision are low.
The technical issues of to solve above, the present invention provides a kind of method that Minifilm is stacked into tire tread, the party
Method includes：
S1, computer take turns the tyre surface section of the tire to be stacked according to the form parameter of the tire to be stacked of input
Exterior feature is decomposed, and obtains multiple decomposition region information；
S2, decomposition region information of the computer according to residing for the current stacking film that laminating apparatus is fed back, determines the patch
Attach together the translational speed information for stacking trace information and current decomposition region in the current decomposition region put；
S3, the laminating apparatus stack trace information and the current decomposition region according to the current decomposition region
Translational speed information carries out film pack to the tire to be stacked, step S2-S3 is repeated, until all decomposition regions quilt
It stacks, then terminates.
Beneficial effects of the present invention：By first calculating the decomposition region of tire to be stacked, then according to these resolvers
Domain, it may be determined that go out the stacking trace information and translational speed information of laminating apparatus, it with that can be in these determining stackings
It is stacked on track, being accurately determined decomposition region and stacked according to track in this way can greatly improve heap
Folded quality, while improve the quality of tire.
Further, the S1 Computers treat stacker wheel according to the form parameter of the tire to be stacked of input to described
The tyre surface cross section profile of tire is decomposed, and is obtained multiple decomposition region information, is specifically included：
Computer is according to the form parameter of the tire to be stacked of input, by the tyre surface of tire to be stacked in plane coordinate system
Each height change point is denoted as Y1, Y2..Yn on cross section profile, X-axis corresponding with each height change point be X1, X2..Xn, then
The tyre surface cross section profile can be decomposed by (X (n-1), 0), (X (n-1), Y (n-1)), (Xn, Yn), (Xn, 0) four structures
Into decomposition region, wherein Y-axis represents the height of the tyre surface cross section profile.
Further, decomposition region letter of the S2 Computers according to residing for the current stacking film that laminating apparatus is fed back
Breath determines the translational speed information for stacking trace information and current decomposition region in the current decomposition region of the laminating apparatus,
It is specifically included：
S21, the current axial position information for stacking film that the computer is fed back according to the laminating apparatus, determines to work as
The preceding co-ordinate position information for stacking film in the plane coordinate system X-axis；
S22, the computer determine institute according to the current co-ordinate position information for stacking film in plane coordinate system X-axis
The current decomposition region information stacked residing for film, while the decomposition region information according to residing for the current stacking film are stated,
Determine that the current stacking film needs the film number of stories m information stacked on residing decomposition region；
S23, the film volume v information that the computer is stacked according to the film number of stories m information, determining needs, wherein
The formula for calculating the film volume v is：
V=2* π * ((m-1) * r+1*Th+2*Th+..+ (m-1) * Th) * S, wherein m is the film number of plies, and rr is assembly drum
Radius, Th are the thickness of film, and S is the sectional area of film；
S24, the computer according to the film volume v information, determine laminating apparatus the laminating apparatus it is current
The translational speed information for stacking trace information and current decomposition region of decomposition region, wherein calculating the movement speed s information
Formula be：
The movement speed s of laminating apparatus is calculated, wherein f (x) represents current decomposition area
The curvilinear function of thickness is represented in domain, t0 represents a calculating cycle time；
S25 will repeat step S21-S24, until calculating all decomposition region information, then terminate.
Further, laminating apparatus described in the S3 is according to the stacking trace information in the current decomposition region and described
The translational speed information in current decomposition region carries out film pack to the tire to be stacked, including：
S31, when the laminating apparatus carries out stacking film in starting position, the laminating apparatus treats stacker wheel to described
Tire carries out first time film pack compensation；
S32, after the compensation of first time film pack is completed, the laminating apparatus is according to the stacking track in current decomposition region
Information and the translational speed information in the current decomposition region, stack the tire to be stacked；
S33, when the laminating apparatus is when terminal position carries out stacking film, the laminating apparatus terminal position carries out
Second of film pack compensation, to form complete tire.
Further, in the S31 when the laminating apparatus carries out stacking film in starting position, the laminating apparatus
First time film pack compensation is carried out to the tire to be stacked, including：
S311 according to coordinate position of the starting position in plane coordinate system X-axis, determines that the first time film pack is mended
The thickness repaid；
S312 according to the thickness that the first time film pack compensates, determines to stack the film length l of compensation；
S313 according to the film length for stacking compensation, determines the compensation time；
S314, according to the compensation time, the laminating apparatus carries out first time film pack to the tire to be stacked
Compensation.
Further, it is further included in the S22：
When the current stacking film is between two adjacent decomposition regions, the current stacking film point is determined
The film number of stories m information stacked is not needed on two adjacent decomposition regions.
Further, the calculation formula of the film length l for stacking compensation is：
L=2* π * ((m-1) * r+1*Th+2*Th+..+ (m-1) * Th)；
The calculation formula of the compensation time is l=s1*t；
Wherein, s1 is film speed, and t is the compensation time, and Th is film stock thickness, and l is the film length of compensation, and r is molding
Bulging radius.
Further, the S32 includes：When it is described wait stack tire be bias tire when, the laminating apparatus according to ought
Axial direction side of the translational speed information for stacking trace information and the current decomposition region of preceding decomposition region along the bias tire
Film pack is carried out to the bias tire.
Further, it is further included in the S32：
When described when it is radial-ply tyre to stack tire, the computer justifies the assembly drum contour fitting of radial-ply tyre into multistage
Arc calibration curve information；
The movement speed of circular curve information and the laminating apparatus of the computer according to residing for the laminating apparatus
Information determines rotating speed data of the laminating apparatus in residing circular curve information, the molding along the radial-ply tyre
Bulging axial movement velocity information and move radially velocity information along the assembly drum of the radial-ply tyre；
The laminating apparatus is fast according to the axial movement of the rotating speed data, the assembly drum along the radial-ply tyre
Degree information and it is described move radially velocity information, to the radial-ply tyre carry out film pack.
The system that a kind of Minifilm of the present invention is stacked into tire tread, the system include：Computer, laminating apparatus；
The computer, for the form parameter of the tire to be stacked according to input, to the tyre surface of the tire to be stacked
Cross section profile is decomposed, and obtains multiple decomposition region information；
And for the decomposition region information according to residing for the current stacking film that laminating apparatus is fed back, determine the fitting
The translational speed information for stacking trace information and current decomposition region in the current decomposition region of device；
The laminating apparatus, for the stacking trace information according to the current decomposition region and the current decomposition region
Translational speed information, film pack and the current resolver stacked residing for film of feedback are carried out to the tire to be stacked
Domain information.
Beneficial effects of the present invention：By first calculating the decomposition region of tire to be stacked, then according to these resolvers
Domain, it may be determined that go out the stacking trace information and translational speed information of laminating apparatus, it with that can be in these determining stackings
It is stacked on track, being accurately determined decomposition region and stacked according to track in this way can greatly improve heap
Folded quality, while improve the quality of tire.
Description of the drawings
Fig. 1 is the flow chart for the method that a kind of 1 Minifilm of embodiment is stacked into tire tread；
Fig. 2 is the schematic diagram that embodiment 1 carries out tire in plane decomposition region；
Fig. 3 is the schematic diagram that embodiment 2 carries out tire in plane decomposition region；
Fig. 4 is the schematic diagram that embodiment 4 to tire stack compensation；
Fig. 5 is the schematic diagram stacked in embodiment 8 to bias tire；
Fig. 6 is the schematic diagram stacked in embodiment 9 to radial-ply tyre；
Fig. 7 is the schematic diagram for the system that a kind of 10 Minifilm of embodiment is stacked into tire tread；
Fig. 8 is the schematic diagram for the system that a kind of 11 Minifilm of embodiment is stacked into tire tread.
Specific embodiment
The principle and features of the present invention will be described below with reference to the accompanying drawings, and the given examples are served only to explain the present invention, and
It is non-to be used to limit the scope of the present invention.
As shown in Figure 1, the embodiment of the present invention 1 provides a kind of method that Minifilm is stacked into tire tread, this method
Including：
S1, computer take turns the tyre surface section of the tire to be stacked according to the form parameter of the tire to be stacked of input
Exterior feature is decomposed, and obtains multiple decomposition region information；
S2, decomposition region information of the computer according to residing for the current stacking film that laminating apparatus is fed back, determines the patch
Attach together the translational speed information for stacking trace information and current decomposition region in the current decomposition region put；
S3, the laminating apparatus stack trace information and the current decomposition region according to the current decomposition region
Translational speed information carries out film pack to the tire to be stacked, step S2-S3 is repeated, until all decomposition regions quilt
It stacks, then terminates.
It is to be appreciated that input the form parameter of some tires in a computer, for example, it is the height of tire, size, straight
These parameters for being related to of diameter, material etc..According to the form parameter of these inputs, the tyre surface cross section profile for stacking tire is treated
It is decomposed, obtains multiple decomposition region information, as shown in Fig. 2, some shapes in each decomposition region.According to these decomposition
Area information, it may be determined that go out the stacking trace information and translational speed information of laminating apparatus, such as：In decomposition region 1,
Laminating apparatus stacks track and the movement speed in the decomposition region, and then laminating apparatus can be according in decomposition region 1
Track is stacked to be stacked, while laminating apparatus can also be moved according to the movement speed in decomposition region 1.Until institute
Some decomposition regions have all stacked, and can just terminate.
In addition, the wide sensor of survey can also be installed on the basis of the present embodiment 1, it is wide to Minifilm by surveying wide sensor
Degree row feedback, such as：In current laminating apparatus, which can feed back fitting information after current film has been bonded
To wide sensor is surveyed, which can understand the width of current Minifilm according to feedback in time, then using improved
Pid algorithm carries out the width for controlling Minifilm next time of extruder and calender, can ensure the section of film in time in this way
Product is stablized.
Optionally, the S1 Computers described in another embodiment 2 are right according to the form parameter of the tire to be stacked of input
The tyre surface cross section profile of the tire to be stacked is decomposed, and is obtained multiple decomposition region information, is specifically included：
Computer is according to the form parameter of the tire to be stacked of input, by the tyre surface of tire to be stacked in plane coordinate system
Each height change point is denoted as Y1, Y2..Yn on cross section profile, X-axis corresponding with each height change point be X1, X2..Xn, then
The tyre surface cross section profile can be decomposed by (X (n-1), 0), (X (n-1), Y (n-1)), (Xn, Yn), (Xn, 0) four structures
Into decomposition region, wherein Y-axis represents the height of the tyre surface cross section profile.
It is understood that as shown in figure 3, in the present embodiment 2 be by the tyre surface cross section profile of tire to be stacked as
Each height change point in each decomposition region is denoted as Y1, Y2..Yn, with each height change point by one plane coordinate system
Corresponding X-axis be X1, X2..Xn, then the tyre surface cross section profile can be decomposed by (X (n-1), 0), (X (n-1), Y (n-
1)), (Xn, Yn), the multiple decomposition region that (Xn, 0) four points are formed, wherein Y-axis represent the tyre surface cross section profile
Highly.It can be clear from recognizing the tracing point moved in each region in this way, it can be accurately subsequently according to these rails
Mark point carries out film plaster conjunction.
Optionally, the current stacking film institute that the S2 Computers described in another embodiment 3 are fed back according to laminating apparatus
The decomposition region information at place determines that the current decomposition region of the laminating apparatus stacks trace information and current decomposition region
Translational speed information specifically includes：
S21, the current axial position information for stacking film that the computer is fed back according to the laminating apparatus, determines to work as
The preceding co-ordinate position information for stacking film in the plane coordinate system X-axis；
S22, the computer determine institute according to the current co-ordinate position information for stacking film in plane coordinate system X-axis
The current decomposition region information stacked residing for film, while the decomposition region information according to residing for the current stacking film are stated,
Determine that the current stacking film needs the film number of stories m information stacked on residing decomposition region；
S23, the film volume v information that the computer is stacked according to the film number of stories m information, determining needs, wherein
The formula for calculating the film volume v is：
V=2* π * ((m-1) * r+1*Th+2*Th+..+ (m-1) * Th) * S, wherein m is the film number of plies, and rr is assembly drum
Radius, Th are the thickness of film, and S is the sectional area of film；
S24, the computer according to the film volume v information, determine laminating apparatus the laminating apparatus it is current
The translational speed information for stacking trace information and current decomposition region of decomposition region, wherein calculating the movement speed s information
Formula be：
The movement speed s of laminating apparatus is calculated, wherein f (x) represents current decomposition area
The curvilinear function of thickness is represented in domain, t0 represents a calculating cycle time；
S25 will repeat step S21-S24, until calculating all decomposition region information, then terminate.
The current co-ordinate position information for stacking film in the plane coordinate system X-axis, Ran Houzai are calculated in the present embodiment 3
According to the decomposition region information residing for current stacking film, determine that the current film that stacks needs to stack on residing decomposition region
Film number of stories m information；Such as：The position that current film stacks is in decomposition region 1, then calculates what is stacked on the region
Film number of stories m information, because some places stack film than relatively thin, some place stacking films are thicker, it is thus necessary to determine that
The film number of plies that each place stacks.By such method, it can so that the effect stacked is more preferable.
Optionally, as shown in figure 4, laminating apparatus described in S3 is according to the current decomposition described in another embodiment 4
The translational speed information for stacking trace information and the current decomposition region in region carries out film heap to the tire to be stacked
It is folded, including：
S31, when the laminating apparatus carries out stacking film in starting position, the laminating apparatus treats stacker wheel to described
Tire carries out first time film pack compensation；
S32, after the compensation of first time film pack is completed, the laminating apparatus is according to the stacking track in current decomposition region
Information and the translational speed information in the current decomposition region, stack the tire to be stacked；
S33, when the laminating apparatus is when terminal position carries out stacking film, the laminating apparatus terminal position carries out the
Secondary film pack compensation, to form complete tire.
It should be noted that embodiment 4 is the embodiment scheme carried out on the basis of above-described embodiment 3, start into
When row stacks, need to carry out certain stacking supplement, as shown in figure 4, the initial position of the triangle on both sides, need into
Row stacks compensation because some places according to stack trace information be can not carry out stacking it is complete, need starting and
The position of end carries out stacking compensation.
Optionally, described in another embodiment 5 in S31 when the laminating apparatus carries out stacking film in starting position
When, the laminating apparatus carries out first time film pack compensation to the tire to be stacked, including：
S311 according to coordinate position of the starting position in plane coordinate system X-axis, determines that the first time film pack is mended
The thickness repaid；
S312 according to the thickness that the first time film pack compensates, determines to stack the film length l of compensation；
S313 according to the film length for stacking compensation, determines the compensation time；
S314, according to the compensation time, the laminating apparatus carries out first time film pack to the tire to be stacked
Compensation.
It is to be appreciated that the present embodiment 5 is the stacking compensation carried out on the basis of above-described embodiment 4.
Optionally, it is further included in S22 described in another embodiment 6：
When the current stacking film is between two adjacent decomposition regions, the current stacking film point is determined
The film number of stories m information stacked is not needed on two adjacent decomposition regions.
It should be noted that the present embodiment 6 is the embodiment scheme carried out on the basis of above-described embodiment 3,
Optionally, the calculation formula that the film length l of compensation is stacked described in another embodiment 7 is：
L=2* π * ((m-1) * r+1*Th+2*Th+..+ (m-1) * Th)；
The calculation formula of the compensation time is l=s1*t；
Wherein s1 is film speed, and t is the compensation time, and Th is film stock thickness, and l is the film length of compensation, and r is assembly drum
Radius.
Optionally, as shown in figure 5, the S32 described in another embodiment 8 includes：When the tire to be stacked is oblique
During tire, the laminating apparatus is believed according to the movement speed for stacking trace information and the current decomposition region in current decomposition region
Breath carries out film pack along the axial direction of the bias tire to the bias tire.
Optionally, as shown in fig. 6, being further included in S32 described in another embodiment 9：
When described when it is radial-ply tyre to stack tire, the computer justifies the assembly drum contour fitting of radial-ply tyre into multistage
Arc calibration curve information；
The movement speed of circular curve information and the laminating apparatus of the computer according to residing for the laminating apparatus
Information determines rotating speed data of the laminating apparatus in residing circular curve information, the molding along the radial-ply tyre
Bulging axial movement velocity information and move radially velocity information along the assembly drum of the radial-ply tyre；
The laminating apparatus is fast according to the axial movement of the rotating speed data, the assembly drum along the radial-ply tyre
Degree information and it is described move radially velocity information, to the radial-ply tyre carry out film pack.
As shown in fig. 7, the present embodiment 10 provides the system that a kind of Minifilm is stacked into tire tread, the system packet
It includes：Computer, laminating apparatus；
The computer, for the form parameter of the tire to be stacked according to input, to the tyre surface of the tire to be stacked
Cross section profile is decomposed, and obtains multiple decomposition region information；
And for the decomposition region information according to residing for the current stacking film that laminating apparatus is fed back, determine the fitting
The translational speed information for stacking trace information and current decomposition region in the current decomposition region of device；
The laminating apparatus, for the stacking trace information according to the current decomposition region and the current decomposition region
Translational speed information, film pack and the current resolver stacked residing for film of feedback are carried out to the tire to be stacked
Domain information.
It should be noted that it is to be appreciated that input the form parameter of some tires in a computer, such as tire
Highly, these parameters for being related to of size, diameter, material etc..According to the form parameter of these inputs, treat and stack tire
Tyre surface cross section profile is decomposed, and obtains multiple decomposition region information, as shown in Fig. 2, some shapes in each decomposition region.
According to these decomposition region information, it may be determined that go out the stacking trace information and translational speed information of laminating apparatus, such as：Dividing
It solves in region 1, laminating apparatus stacks track and the movement speed in the decomposition region, and then laminating apparatus meeting basis exists
The stacking track of decomposition region 1 is stacked, while laminating apparatus can also be moved according to the movement speed in decomposition region 1
It is dynamic.It has all stacked until in all decomposition regions, can just terminate.All technical characteristics in above-described embodiment 1- embodiments 9
It can be applied to the system in the present embodiment 10.
In addition, as shown in figure 8, the embodiment 11 carried out on the basis of the present embodiment 10 can also install PLC controller
With the wide sensor of survey, Minifilm width line is fed back by surveying wide sensor, such as：In current laminating apparatus, the fitting
Device can feed back fitting information to wide sensor is surveyed after current film has been bonded, which can be in time according to feedback
Understand the width of current Minifilm, then PLC controller can be calculated information according to computer and be controlled using improved pid algorithm
Film extruding device extrudes the width of Minifilm next time, can ensure that the sectional area of film is stablized in time in this way.
It is for detecting Minifilm width in above-mentioned all embodiments, is the extrusion by detecting film extruding device
The width of pressure and film carries out modified PID (proportional-integral derivative controller) controls of double loop closed loop；For extruding
The mode of Minifilm by detecting the width of film, is improved type PID control.
In addition, three kinds of states of speed change of the startup, stopping and operational process in stacking process pass through Different Slope
Ramp generator carries out smooth acceleration and deceleration, and prevention Minifilm is broken or accumulated.
Have by using the original technological requirement of the tyre surface quality versus that produces of equipment of the present invention and greatly carry
It rises.
In the present specification, a schematic expression of the above terms does not necessarily refer to the same embodiment or example.
Moreover, particular features, structures, materials, or characteristics described can be in any one or more of the embodiments or examples with suitable
Mode combines.In addition, without conflicting with each other, those skilled in the art can be by the difference described in this specification
The feature of embodiment or example and different embodiments or examples is combined.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all the present invention spirit and
Within principle, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of method that Minifilm is stacked into tire tread, which is characterized in that this method includes：
S1, computer according to the form parameter of the tire to be stacked of input, to the tyre surface cross section profile of the tire to be stacked into
Row decomposes, and obtains multiple decomposition region information；
S2, decomposition region information of the computer according to residing for the current stacking film that laminating apparatus is fed back, determines the fitting dress
The translational speed information for stacking trace information and current decomposition region in the current decomposition region put；
S3, the laminating apparatus is according to the stacking trace information in the current decomposition region and the movement in the current decomposition region
Velocity information carries out film pack to the tire to be stacked, repeats step S2-S3, until all decomposition regions are stacked,
Then terminate.
2. according to the method described in claim 1, it is characterized in that, the S1 Computers are according to the tire to be stacked of input
Form parameter decomposes the tyre surface cross section profile of the tire to be stacked, and obtains multiple decomposition region information, specific to wrap
It includes：
Computer is according to the form parameter of the tire to be stacked of input, by the tyre surface section of tire to be stacked in plane coordinate system
Each height change point is denoted as Y1, Y2..Yn on profile, X-axis corresponding with each height change point be X1, X2..Xn, then it is described
Tyre surface cross section profile can be decomposed by (X (n-1), 0), (X (n-1), Y (n-1)), (Xn, Yn), what (Xn, 0) four points were formed
Decomposition region, wherein Y-axis represent the height of the tyre surface cross section profile.
3. according to the method described in claim 2, it is characterized in that, the S2 Computers fed back according to laminating apparatus it is current
The decomposition region information residing for film is stacked, determines the stacking trace information in the current decomposition region of the laminating apparatus and current
The translational speed information of decomposition region, specifically includes：
S21, the current axial position information for stacking film that the computer is fed back according to the laminating apparatus, determines current heap
Folded co-ordinate position information of the film in the plane coordinate system X-axis；
S22, the computer determine described work as according to the current co-ordinate position information for stacking film in plane coordinate system X-axis
Decomposition region information residing for preceding stacking film, while the decomposition region information according to residing for the current stacking film, determine
The current stacking film needs the film number of stories m information stacked on residing decomposition region；
S23, the computer determine the film volume v information for needing to stack, wherein calculating according to the film number of stories m information
The formula of the film volume v is：
V=2* π * ((m-1) * r+1*Th+2*Th+..+ (m-1) * Th) * S, wherein m is the film number of plies, and rr is the half of assembly drum
Diameter, Th are the thickness of film, and S is the sectional area of film；
S24, the computer determine the current decomposition of the laminating apparatus of laminating apparatus according to the film volume v information
The translational speed information for stacking trace information and current decomposition region in region, wherein calculating the public affairs of the movement speed s information
Formula is：
A=s*t0, calculates the movement speed s of laminating apparatus, and wherein f (x) represents table in current decomposition region
Show the curvilinear function of thickness, t0 represents a calculating cycle time；
S25 will repeat step S21-S24, until calculating all decomposition region information, then terminate.
4. according to the method described in claim 3, it is characterized in that, laminating apparatus is according to the current decomposition described in the S3
The translational speed information for stacking trace information and the current decomposition region in region carries out film heap to the tire to be stacked
It is folded, including：
S31, when the laminating apparatus carries out stacking film in starting position, the laminating apparatus to the tire to be stacked into
Row first time film pack compensates；
S32, after the compensation of first time film pack is completed, the laminating apparatus is according to the stacking trace information in current decomposition region
With the translational speed information in the current decomposition region, the tire to be stacked is stacked；
S33, when the laminating apparatus is when terminal position carries out stacking film, the laminating apparatus terminal position carries out second
Film pack compensates, to form complete tire.
5. according to the method described in claim 4, it is characterized in that, in the S31 when the laminating apparatus starting position into
When row stacks film, the laminating apparatus carries out first time film pack compensation to the tire to be stacked, including：
S311 according to coordinate position of the starting position in plane coordinate system X-axis, determines the first time film pack compensation
Thickness；
S312 according to the thickness that the first time film pack compensates, determines to stack the film length l of compensation；
S313 according to the film length for stacking compensation, determines the compensation time；
S314, according to the compensation time, the laminating apparatus carries out first time film pack compensation to the tire to be stacked.
6. it according to the method described in claim 3, it is characterized in that, is further included in the S22：
When the current stacking film is between two adjacent decomposition regions, determine that the current stacking film exists respectively
The film number of stories m information stacked is needed on two adjacent decomposition regions.
7. according to the method described in claim 5, it is characterized in that, the calculation formula of the film length l for stacking compensation is：
L=2* π * ((m-1) * r+1*Th+2*Th+..+ (m-1) * Th)；
The calculation formula of the compensation time is l=s1*t；
Wherein s1 is film speed, and t is the compensation time, and Th is film stock thickness, and l is the film length of compensation, and r is the half of assembly drum
Diameter.
8. according to any methods of claim 5-7, which is characterized in that the S32 includes：When the tire to be stacked
During for bias tire, the laminating apparatus is according to the stacking trace information in current decomposition region and the movement in the current decomposition region
Velocity information carries out film pack along the axial direction of the bias tire to the bias tire.
9. according to any methods of claim 5-7, which is characterized in that further included in the S32：
When described when it is radial-ply tyre to stack tire, the computer is bent into multi-section circular arc by the assembly drum contour fitting of radial-ply tyre
Line information；
The translational speed information of circular curve information and the laminating apparatus of the computer according to residing for the laminating apparatus,
Determine rotating speed data of the laminating apparatus in residing circular curve information, along the radial-ply tyre assembly drum axis
Velocity information is moved radially to translational speed information and along the assembly drum of the radial-ply tyre；
The laminating apparatus is believed according to the axial movement speed of the rotating speed data, the assembly drum along the radial-ply tyre
Breath moves radially velocity information with described, and film pack is carried out to the radial-ply tyre.
10. the system that a kind of Minifilm is stacked into tire tread, which is characterized in that the system includes：Computer, laminating apparatus；
The computer, for the form parameter of the tire to be stacked according to input, to the tyre surface section of the tire to be stacked
Profile is decomposed, and obtains multiple decomposition region information；
And for the decomposition region information according to residing for the current stacking film that laminating apparatus is fed back, determine the laminating apparatus
Current decomposition region the translational speed information for stacking trace information and current decomposition region；
The laminating apparatus, for the shifting for stacking trace information and the current decomposition region according to the current decomposition region
Dynamic velocity information, carries out the tire to be stacked film pack and the current decomposition region stacked residing for film of feedback is believed
Breath.
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| CN201711385819.4A CN108227478B (en) | 2017-12-20 | 2017-12-20 | Method and system for stacking small rubber sheets into tire tread |
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