Laminating template positioning device and positioning method of tire building machine and storage medium

Abstract

The invention relates to a fitting template positioning device and method of a tire building machine and a storage medium. The tire building machine is provided with a feeding frame, an attaching template, a cylinder assembly, a drum assembly and an attaching template positioning device, the attaching template is used for attaching materials for manufacturing tires to the outer surface of the drum assembly, and the tire building machine is characterized by comprising the cylinder assembly, a driving device and a driving device, the base end of the attaching template is connected to the feeding frame, and the top end of the attaching template is close to the drum assembly; and when the cylinder assembly stretches out and draws back, the attaching template ascends and descends, so that the relative position of the attaching template and the drum assembly can be determined.

Description

Technical Field

[0001] The embodiments of the present invention relate to a control technology of a tire building machine, and in particular to a laminating template positioning device, a positioning method and a storage medium of the tire building machine. Background Art

[0002] Tire building machines are key equipment in the tire production process. They are mainly used to bond semi-finished components such as cord, inner liner, sidewall, belt layer, etc. in a certain order and shape, and then roll them together to form the tire blank. In the process of using tire building machines to manufacture tires, it is usually necessary to involve raw material preparation and pretreatment, semi-finished product preparation, material supply and adjustment, and material bonding.

[0003] In a tire building machine, the drum assembly includes a carcass drum that carries and fixes materials (such as cords, composite parts, treads, etc.) during the material lamination process and rolls to form a tire barrel, a forming drum that carries and fixes materials (such as belts, treads, etc.) during the material lamination process and rolls to form a tire crown, and a forming drum that shapes and rolls the tire barrel and tire crown to form an embryo. The forming drum includes mechanical drums and capsule drums. The following drum assembly only involves carcass drums and belt drums. The main function of the drum assembly is to carry materials for lamination and roll-forming to form an embryo, ensuring that the material maintains the correct position and shape during the molding process. During the molding process, the shape of the carcass drum in the drum assembly will be adjusted according to the design specifications of the tire so that the material fits on the drum to form a tire barrel. During the molding process, the drum assembly will rotate to drive the material to wrap and fit. The drum assembly usually has an adjustable radius to accommodate the production of tires of different specifications. The surface of the drum assembly is smooth to ensure that the material is not damaged during the lamination process.

[0004] In a tire building machine, the laminating template is a component used to make the pre-prepared material laminating to the drum assembly during the material laminating process. The laminating template is positioned to a suitable laminating position under servo control according to the design requirements of the tire, and the material is laminating. Summary of the invention

[0005] Problems to be solved by the invention In the prior art, experienced workers are required to manually position the laminating template according to the material formula of the tire in order to obtain a suitable laminating position.

[0006] In recent years, it is expected that the same tire forming machine can produce tires of various specifications. When the tire specifications are updated, the material formula of the tire will also be updated. It is necessary to repeatedly try to position the bonding template at the appropriate bonding position according to the material formula, which will consume a lot of time and labor costs and be inefficient. If the positioning operation is improper when adjusting the bonding position, the bonding template may collide and cause damage to the tire production equipment. If the positioning operation is improper and the material is not properly bonded to the drum assembly, it may cause material waste. If the height of the bonding template is too low, it may cause the material to be squeezed and stretched, affecting the equipment production capacity and tire quality.

[0007] Solutions for solving problems In order to solve the above problems, the present invention provides a technology for automatically adjusting the position of the bonding template according to the material formula of the tire, so that the assembly process is standardized, the accuracy of the sub-assembly and the final assembly is within the error range, and the tangent point position between the bonding template and the drum assembly is estimated according to parameters such as the diameter of the drum assembly and the thickness of the material, thereby obtaining the theoretical bonding position. In addition, by obtaining the error between the theoretical bonding position and the actual bonding position, the final bonding position is obtained by converting the theoretical bonding position and the bonding error based on the mechanical function relationship. By automatically adjusting the height of the bonding template, manual intervention is minimized to reduce labor costs and experience requirements, thereby improving production efficiency and increasing production benefits.

[0008] The present invention relates to a laminating template positioning device for a tire forming machine, wherein the tire forming machine comprises a material feeding rack, a laminating template, a cylinder assembly, and a drum assembly, wherein the laminating template laminates materials used to manufacture tires onto the outer surface of the drum assembly, and wherein the laminating template positioning device is characterized in that it comprises: the cylinder assembly, one end of which is connected to the material feeding rack, and the other end of which is connected to the laminating template; the laminating template, a base end of which is connected to the material feeding rack, and a top end of which is close to the drum assembly; and the laminating template rises and falls when the cylinder assembly is extended or retracted, thereby being able to determine the relative position of the laminating template and the drum assembly.

[0009] The present invention relates to a method for positioning a laminating template of a tire forming machine, wherein the tire forming machine is provided with a material feeding rack, a laminating template, a cylinder assembly, and a drum assembly, wherein the laminating template laminates materials used to manufacture tires on the outer surface of the drum assembly, and the method for positioning the laminating template is characterized in that it comprises: a preprocessing step, storing the specification parameters of the tire, the design parameters of the tire forming machine, and the functions required for calculation in a storage unit; a reading step, reading the required parameters and functions from the storage unit according to the specification parameters of the tire to be manufactured, and obtaining the length of the cylinder assembly when manufacturing the tire, that is, the cylinder assembly length L; and a driving step, making the cylinder assembly the cylinder assembly length L, thereby determining the relative position of the laminating template and the drum assembly.

[0010] The present invention relates to a storage medium storing a computer program, characterized in that when the computer program is executed by a processor, the laminating template positioning method of the tire forming machine can be realized.

[0011] Effects of the Invention According to the present invention, experienced workers do not need to make manual adjustments repeatedly in actual production, and the laminating template can be automatically positioned and the laminating process can be automatically performed. Since manual participation is reduced, labor costs and experience requirements can be reduced, production accuracy and product quality can be improved, production efficiency can be improved, and production benefits can be increased.

[0012] The description in the specification is only exemplary and explanatory, and does not limit the protection scope of the present invention. In order to better understand and implement, the present invention is described in detail below in conjunction with the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the technical solutions in the embodiments of the present invention or related technologies, the drawings required for use in the embodiments or related technical descriptions are briefly introduced below. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0014] Figure 1 1 is a schematic diagram showing a bonding template positioning device according to a first embodiment of the present invention.

[0015] Figure 2 2 is a schematic diagram showing a bonding template positioning device according to a second embodiment of the present invention.

[0016] Figure 3 2 is a schematic diagram showing a bonding template positioning device according to a third embodiment of the present invention.

[0017] Figure 4 It is a schematic diagram showing the function derivation relationship of the fitting template positioning method involved in the present invention.

[0018] Figure 5 1 is a flow chart showing a theoretical positioning method of a bonding template according to the present invention.

[0019] Figure 6 is a flow chart showing a first positioning method including error compensation according to the present invention.

[0020] Figure 7 is a flow chart showing a second positioning method including error compensation according to the present invention.

[0021] Figure 8is a flow chart showing a third positioning method including error compensation according to the present invention.

[0022] Description of Reference Numerals 1: positioning device; 11: cylinder assembly; 111: tripod; 12: fitting template; 121: template body; 122: top roller; 123: base roller; 124: conveyor belt; 2: material; 3: drum assembly; 4: feed rack. DETAILED DESCRIPTION

[0023] In order to make the objectives, technical solutions and advantages of the present invention more clear, the embodiments of the present invention are described in detail below with reference to the accompanying drawings.

[0024] [Positioning device for fitting template] It should be clear that the following embodiments are part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0025] <First Embodiment> Figure 1 1 is a schematic diagram showing a laminating template positioning device of a tire forming machine according to a first embodiment of the present invention. The tire forming machine laminates a material 2 on a drum assembly 3. Here, the drum assembly 3 is, for example, a carcass drum. The positioning device 1 includes a cylinder assembly 11 and a laminating template 12, which are used to determine the relative position of the laminating template 12 and the drum assembly 3. The cylinder assembly 11 is disposed above the laminating template 12 and extends obliquely. The laminating template 12 is disposed above the drum assembly 3 and is close to the drum assembly 3 in a manner that the top end can swing.

[0026] In the first embodiment, an example is given in which the cylinder assembly 11 is composed of an electric cylinder and a pneumatic cylinder. The control unit (for example, PLC) not shown in the figure controls the electric cylinder to drive the cylinder assembly to move, thereby causing the cylinder assembly 11 to extend and retract, thereby controlling the length of the cylinder assembly 11 (cylinder assembly length L). The cylinder assembly 11 extends obliquely, with one end connected to the feed rack 4 via a support, and the other end connected to the bonding template 12. When the cylinder assembly 11 is extended and retracted, thereby changing the length L of the cylinder assembly, the bonding template 12 will rise and fall, thereby changing its position. Here, the feed rack 4 is, for example, a main feed rack, which is used to supply various semi-finished materials required in the tire manufacturing process, such as inner liner rubber, wire bead rubber, sidewall rubber, cord layer, etc. Since it needs to adapt to a variety of different types of materials, the main feed rack is flexibly designed and can adjust its configuration according to different production needs.

[0027] The cylinder assembly 11 may include an electric cylinder, an air cylinder, a hydraulic cylinder or a combination thereof, and the specific structure is not particularly limited. Regarding the connection method, for example, one end (upper end) of the cylinder assembly 11 is pivotally connected to (connected to in a manner of rotating around a rotating shaft) the feed rack 4 via a support, and the other end (lower end) is pivotally connected to the bonding template 12, and the cylinder assembly length L is the distance from the pivot axis point of one end to the pivot axis point of the other end.

[0028] Here, the length of the cylinder assembly 11 in the unextended state is recorded as the initial length L0, the length of the cylinder assembly 11 to be extended calculated according to the tire specifications is recorded as the theoretical extension length ΔL, and the total length of the cylinder assembly 11 in the extended state during the bonding process is recorded as the bonding length L1, thereby obtaining the following formula (1).

[0029] Formula (1): Fitting length L1 = initial length L0 + theoretical extension length ΔL.

[0030] In addition, the laminating template 12 includes a template body 121, a top roller 122, a base roller 123, and a conveyor belt 124. In this embodiment, one end (base end) of the template body 121 is pivotally connected to the feed rack 4 via a support member, and the other end (top end) can rise and fall. A base roller 123 is provided at one end (base end) of the template body 121, and a top roller 122 is provided at the other end (top end) of the template body 121. The conveyor belt 124 is hung around the top roller 122 and the base roller 123, and is used to transport the material from the feed rack 4 to the outer surface of the drum assembly 3.

[0031] The cylinder assembly 11 is pivoted at a midway position in the extension direction of the template body 121. If the top roller 122 can rise and fall when the cylinder assembly 11 is extended or retracted, the connection position between the cylinder assembly 11 and the template body 121 is not particularly limited, and is preferably near the approximate midpoint.

[0032] The conveyor belt 124 is an endless belt connected end to end, and its thickness (belt thickness t) is a predetermined value and is fixed. Regarding the driving method of the conveyor belt 124, an example is given here in which the conveyor belt 124 is driven by a base end roller 123 provided with a motor. In this case, the base end roller 123 is driven by the motor as a driving roller and drives the conveyor belt 124.

[0033] In the present embodiment, the radius of the top roller 122 (roller radius r) is a fixed value, and the top roller 122 is a roller with a smooth surface and does not rotate, but may also be a roller that can rotate, without particular limitation.

[0034] The material 2 is conveyed from the feed rack 4 to the outer surface of the drum assembly 3 by the conveyor belt 124. The composition and amount of the material 2 can be determined according to the tire specifications to be manufactured, and there is no particular limitation. In this embodiment, an example in which the material 2 is a cord fabric or a composite material is given. The thickness (material thickness T) of the material 2 to be wound on the outer surface of the drum assembly 3 can be predetermined according to the tire specifications to be manufactured.

[0035] The radius of the drum assembly 3 is adjustable. Specifically, the radius of the drum assembly 3 (drum radius R) can be selected according to the tire specifications to be manufactured. Preferably, when the conveyor belt 124 conveys the material 2 to the outer surface of the drum assembly 3, the laminating template 12 is tangent to the material 2 laminating to the drum assembly 3. Specifically, the top roller 122 and the drum assembly 3 are close to each other, with the conveyor belt 124 and the material 2 in between. Figure 1 As shown, when viewed from the side, the axis of the top roller 122, the contact point between the conveyor belt 124 and the material 2, and the axis of the drum assembly 3 are on the same straight line. Therefore, when manufacturing a tire using a tire building machine, the drum radius R can be determined according to the specifications of the tire to be manufactured, and the distance (fitting distance S) from the axis of the top roller 122 to the axis of the drum assembly 3 can be determined based on the following formula (2).

[0036] Formula (2): Lamination distance S = drum radius R + material thickness T + belt thickness t + roller radius r.

[0037] The control unit (not shown) controls the extension and contraction of the cylinder assembly 11 to determine the cylinder assembly length L, thereby determining the above-mentioned bonding distance S. Based on equations (1) and (2), the corresponding relationship between the theoretical extension length ΔL of the cylinder assembly 11 and the bonding distance S can be obtained. In other words, the control unit can position the bonding template 12 at a desired position relative to the drum assembly 3 by controlling the theoretical extension length ΔL of the cylinder assembly 11.

[0038] <Second Embodiment> Figure 2 1 is a schematic diagram showing a positioning device for a laminating template according to a second embodiment of the present invention. Compared with other embodiments, the difference of this embodiment is that the cylinder assembly 11 is arranged below the laminating template 12 and extends obliquely upward toward the top roller 122 of the laminating template 12. Here, the cylinder assembly 11 may also extend in the vertical direction, and the top roller 122 can rise and fall when the cylinder assembly 11 is extended or retracted, without any special limitation.

[0039] In this embodiment, one end (lower end) of the cylinder assembly 11 is connected to the feeding rack 4 via a support, and the other end (upper end) is pivoted to the bonding template 12. When the cylinder assembly 11 is extended, the bonding template 12 is lifted up, and when the cylinder assembly 11 is shortened, the bonding template 12 falls down. In other words, when the cylinder assembly 11 is extended and retracted so that the length L of the cylinder assembly changes, the bonding template 12 will rise and fall so that the position changes. Here, the feeding rack 4 is, for example, a belt layer feeding rack, which is specially used to provide belt layer materials. Considering the characteristics of the belt layer materials (such as higher hardness and specific laying angles), the belt layer feeding rack will have a unique structural design to ensure that the belt layer can be laid flat and wrinkle-free on the drum assembly 3.

[0040] In this embodiment, the material to be bonded may be, for example, a belt layer. Here, the initial length L0, theoretical extension length ΔL, and bonding length L1 of the cylinder assembly 11 also satisfy equation (1). The parameters of the conveyor belt 124, the material 2, the drum assembly 3, and the top roller 122 also satisfy equation (2). Here, the drum assembly 3 is, for example, a belt layer drum, which is specifically used to lay the belt layer. The belt layer is located between the carcass and the tread, and plays a role in enhancing the strength and stability of the tire.

[0041] The control unit controls the extension and retraction of the cylinder assembly 11 to determine the cylinder assembly length L and the bonding distance S. Based on equations (1) and (2) and related functional relationships, the corresponding relationship between the theoretical extension length ΔL and the bonding distance S can be obtained. In other words, the control unit can position the bonding template 12 at a desired position relative to the drum assembly 3 by controlling the theoretical extension length ΔL of the cylinder assembly 11.

[0042] <Third Embodiment> Figure 3 1 is a schematic diagram showing a positioning device for a laminating template according to a third embodiment of the present invention. Compared with other embodiments, the present embodiment is different in that a cylinder assembly 11 is disposed below the laminating template 12 and is retractable in the horizontal direction, and further includes a tripod 111 .

[0043] In this embodiment, one end of the telescopic rod of the cylinder assembly 11 is connected to the feed rack 4 (here, for example, the belt layer feed rack), and the other end is connected to the vertical side of the tripod 111. The structure of the tripod 111 is not particularly limited, and for example, the tripod 111 may be a right triangle, the horizontal side of the right angle side can slide freely in the horizontal direction, and the vertical side of the right angle side faces the feed rack 4. The tripod 111 is used to convert the telescopic movement of the cylinder assembly 11 in the horizontal direction into the rise and fall of the bonding template 12 in the inclined direction.

[0044] The apex of the tripod 111 in the vertical direction contacts the bonding template 12 via the two end sliders, specifically, it can abut against the template body 121. When the cylinder assembly 11 is extended, the tripod 111 moves horizontally toward the drum assembly 3 (here, for example, the belt layer drum) so that the bonding template 12 is lifted up, and when the cylinder assembly 11 is shortened, the tripod 111 moves horizontally toward the feed rack 4 so that the bonding template 12 falls down. In other words, when the cylinder assembly 11 is extended and retracted so that the length L of the cylinder assembly changes, the bonding template 12 rises and falls so that the position changes.

[0045] In this embodiment, the laminating material may be, for example, a belt layer material, etc. Here, the initial length L0, theoretical extension length ΔL, and laminating length L1 of the cylinder assembly 11 also satisfy equation (1). The parameters of the conveyor belt 124, the material 2, the drum assembly 3, and the top roller 122 also satisfy equation (2).

[0046] The control unit controls the extension and retraction of the cylinder assembly 11 to determine the cylinder assembly length L and the bonding distance S. Based on equations (1) and (2), the corresponding relationship between the theoretical extension length ΔL and the bonding distance S can be obtained. In other words, the control unit can position the bonding template 12 at a desired position relative to the drum assembly 3 by controlling the theoretical extension length ΔL of the cylinder assembly 11.

[0047] According to the positioning device for the laminating template, the following effects can be achieved: the laminating template can be automatically positioned and the laminating process can be automatically performed without the need for experienced workers to repeatedly make manual adjustments in actual production. Since manual participation is reduced, labor costs and experience requirements can be reduced, production accuracy and product quality can be improved, production efficiency can be improved, and production benefits can be increased.

[0048] [Positioning method for fitting template] The following describes the specific content of the positioning method of the bonding template. Figure 4 Explain the calculation method and function derivation process.

[0049] When manufacturing tires using a tire building machine, the specifications of the tire to be manufactured are input to the control unit, thereby determining the material thickness T and the drum radius R. Here, the thickness of the conveyor belt 124 and the radius of the top roller 122 are fixed, so the belt thickness t and the roller radius r are fixed values ​​(constants). Therefore, based on formula (2), the distance (lamination distance S) from the axis of the top roller 122 to the axis of the drum assembly 3 can be calculated.

[0050] When the bonding length L1 of the cylinder assembly 11 is set to X and the bonding distance S is set to Y, it is known that there is a theoretical function Y=F(X) according to the design structure of the tire building machine. Figure 4 The functional relationship shown derives the theoretical function Y=F(X).

[0051] Figure 4 : is a schematic diagram showing the function derivation relationship. Specifically, point A is the pivot point between the cylinder assembly 11 and the feed rack 4, point B is the pivot point between the cylinder assembly 11 and the template body 121, point C is the axis point of the top roller 122, point D is the axis point of the drum assembly 3, and point E is the axis point of the base roller 123. Here, it should be noted that the pivot point (point B) between the cylinder assembly 11 and the template body 121 is approximately near the midpoint in the extension direction of the template body 121, and may be at a position deviated from the template body 121 in the vertical direction (the direction intersecting the extension direction of the template body 121). For example, for ease of understanding, point B is illustrated as being above the template body 121 in the function derivation relationship, but it may also be below the template body 121.

[0052] Reference Figure 4 It can be seen that when the distance between point A and point E is set to L AE , Set the distance between point B and point E to L BE When, there is a function X=g(L AE ,L BE ,∠AEB). Similarly, when the distance between point C and point E is set to L CE , Set the distance between point D and point E to L DE When, there is a function Y=h(L CE ,L DE ,∠CED). When the distance between point B and point C is set to L BC When, there is a function L BC = p(L BE ,L CE ,∠BEC); when the distance between point A and point D is set to L AD When, there is a function L AD =q(L AE ,L DE ,∠AED).

[0053] Based on the design parameters of the tire building machine, the parameter L in the above function can be obtained AE , L BE , L CE , L DE , L BC , L AD , ∠AEB, ∠CED, ∠BEC, ∠AED, so the theoretical function Y=F(X) can be derived, where X is the distance between point A and point B (the fitting length L1 of the cylinder assembly 11), and Y is the distance between point C and point D (the fitting distance S).

[0054] Figure 5: is a flow chart showing a theoretical positioning method of the bonding template according to the present invention. When the theoretical extension length ΔL of the cylinder assembly 11 is set to x and the bonding distance S is set to y, the theoretical function y=f(x) can be derived based on the theoretical function y=f(x), formula (1) and formula (2). In other words, the functional relationship between the theoretical extension length ΔL of the cylinder assembly 11 and the bonding distance S during the bonding process can be obtained.

[0055] Therefore, after the specifications of the tire to be manufactured are known, the drum radius R of the drum assembly 3 can be determined based on the tire specifications, and the control unit can extend the cylinder assembly 11 by the required theoretical extension length ΔL (corresponding to x) based on the theoretical function y=f(x), thereby controlling the fitting distance S (corresponding to y) to the drum assembly 3.

[0056] In summary, Figure 5 As shown, the theoretical positioning method of the bonding template involved in the present invention includes: a preprocessing step S001, storing the design parameters of the tire forming machine, the specification parameters of the tire to be manufactured, and the functions including equations (1) and (2) in a storage unit; a reading step S002, in which the control unit reads the required parameters and functions from the storage unit according to the specifications of the tire to be manufactured, and calculates the length (theoretical extension length ΔL) that the cylinder assembly 11 should extend; a driving step S003, in which the control unit controls so that the cylinder assembly 11 extends a predetermined theoretical extension length ΔL, thereby determining the relative position of the bonding template 12 and the drum assembly 3.

[0057] According to the theoretical positioning method of the laminating template, the following effects can be achieved: no experienced workers need to make repeated manual adjustments in actual production, and the positioning device of the laminating template can be automatically adjusted to automatically perform laminating processing. Due to the automatic adjustment of the position of the laminating template, the tire forming machine can be free from the restrictions of tire specifications, that is, after setting the above manufacturing parameters and functions in a single tire forming machine, the theoretical extension length ΔL (corresponding to x) and other parameters can be automatically calculated based on the theoretical function y=f(x) according to the specifications of each tire and the laminating distance S (corresponding to y) of the drum assembly 3 can be controlled. Due to the reduction of manual participation, the labor cost and experience requirements can be reduced, the production accuracy and product quality can be improved, the production efficiency can be improved, and the production income can be increased.

[0058] The above is a theoretical method for obtaining the theoretical function y=f(x) based on the design parameters of the tire building machine. However, in actual production, due to mechanical errors, processing errors, assembly errors and other error factors, the theoretical extension length ΔL and the fitting distance S may not conform to the theoretical function y=f(x). In this case, error compensation processing is considered. Specifically, the following three positioning methods that include error compensation are considered.

[0059] <First positioning method including error compensation> Figure 6 : is a flow chart showing the first positioning method including error compensation involved in the present invention. In the preprocessing step S101 performed before actually manufacturing the tire with the tire forming machine, theoretical parameters such as drum radius R, material thickness T, theoretical extension length ΔL are calculated based on the above-mentioned function derivation process, and are stored in a storage unit not shown in the figure in association with the tire specification parameters. Then, the tire forming machine is made to simulate the bonding operation according to the theoretical extension length ΔL, and it is determined whether the actual bonding distance deviates from the theoretical value of the bonding distance. In the case where it is determined that there is a deviation, the bonding distance S is adjusted to the theoretical value of the bonding distance, and the actual value of the extension length at this time (actual extension length ΔL`) is obtained. The actual extension length ΔL`, the tire specification parameters, and the theoretical parameters are stored in the storage unit in association.

[0060] When it is necessary to manufacture tires of various specifications using the same tire building machine, the above-mentioned preprocessing operation is repeated for each tire specification, and the tire specification parameters, theoretical parameters, and actual extension length ΔL' are stored in a storage unit in a list in association. The above-mentioned preprocessing operation can be a simulated bonding operation repeated for each tire specification, or it can be an actual bonding operation previously performed during the manufacturing process, and there is no particular limitation as long as the required parameters can be obtained.

[0061] When the tire forming machine is to be used to actually manufacture tires, the actual manufacturing parameters such as drum radius R, material thickness T, actual extension length ΔL`, etc. are obtained by querying the list according to the specifications of the tire to be manufactured, and the control unit enables the tire forming machine to manufacture the tire based on the actual manufacturing parameters.

[0062] In summary, if Figure 6 As shown, the first positioning method including error compensation of the present invention comprises: a preprocessing step S101, storing the design parameters of the tire forming machine, the specification parameters of the tire to be manufactured, the theoretical functions including equation (1) and equation (2), and the actual manufacturing parameters including the actual extension length ΔL` as a list in a storage unit; a reading step S102, the control unit reads the required theoretical parameters and actual manufacturing parameters from the list in the storage unit according to the specifications of the tire to be manufactured, thereby obtaining the actual extension length ΔL` that the cylinder assembly 11 should extend; a driving step S103, the control unit performs driving control so that the cylinder assembly 11 extends the predetermined actual extension length ΔL`, thereby determining the relative position of the fitting template 12 and the drum assembly 3.

[0063] According to such a positioning method, actual manufacturing parameters are obtained by looking up a table, which can reduce the amount of calculation of the control unit and enable rapid manufacturing production.

[0064] <Second positioning method including error compensation> Figure 7 1 is a flow chart showing a second positioning method including error compensation according to the present invention. Compared with other positioning methods including error compensation, the second positioning method is different in that, in a pre-processing operation performed before actually manufacturing a tire using a tire building machine, an error compensation value c is obtained and stored in a storage unit.

[0065] Specifically, in the pre-processing operation, the tire building machine is made to perform a simulated lamination operation according to the theoretical extension length ΔL, and it is determined whether the actual lamination distance deviates from the theoretical lamination distance value. If it is determined that there is a deviation, the lamination distance S is adjusted to the theoretical lamination distance value, and the difference (error compensation value c) between the actual extension length ΔL` and the theoretical extension length ΔL at this time is obtained. The error compensation value c is stored in the storage unit.

[0066] Researchers of the present invention have found that the error compensation value c of the same tire forming machine is usually a fixed value. Therefore, when the error compensation value c is determined, even if it is necessary to use the same tire forming machine to manufacture tires of various specifications, there is no need to repeat the above-mentioned preprocessing operation for each specification of tire. The actual manufacturing parameters such as the drum radius R, material thickness T, and actual extension length ΔL` can be obtained based on the tire specification parameters, theoretical parameters, and error compensation value c. The control unit then enables the tire forming machine to manufacture tires based on the actual manufacturing parameters.

[0067] Here, the above-mentioned preprocessing operation may be repeatedly performed on tires of two or more specifications to obtain a plurality of error compensation values ​​c and calculate an average value, and the average value may be stored in the storage unit as the error compensation value c′ in actual manufacturing.

[0068] In summary, if Figure 7 As shown, the second positioning method including error compensation of the present invention comprises: a preprocessing step S201, storing the design parameters of the tire forming machine, the specification parameters of the tire to be manufactured, the theoretical function including equation (1) and equation (2), and the actual manufacturing parameters including the error compensation value c in the storage unit; a reading step S202, the control unit reads the required theoretical parameters, theoretical functions, and actual manufacturing parameters from the storage unit according to the specifications of the tire to be manufactured, thereby calculating the actual extension length ΔL` that the cylinder assembly 11 should extend according to the error compensation value c; a driving step S203, the control unit performs driving control so that the cylinder assembly 11 extends the predetermined actual extension length ΔL`, thereby determining the relative position of the fitting template 12 and the drum assembly 3.

[0069] According to such an error compensation method, it is not necessary to repeat the above-mentioned preprocessing operation for each tire specification, and the number of preprocessing operations can be reduced.

[0070] <Third positioning method including error compensation> Figure 8 1 is a flow chart showing a third positioning method including error compensation according to the present invention. Compared with other third positioning methods including error compensation, the third positioning method is different in that, in a preprocessing operation performed before actually manufacturing a tire using a tire building machine, an actual function y=f'(x) obtained by taking error compensation into consideration is obtained and stored in a storage unit.

[0071] Specifically, in the pre-processing operation, the tire building machine is made to simulate the fitting operation according to the theoretical extension length ΔL, and it is determined whether the actual fitting distance deviates from the theoretical value of the fitting distance. If it is determined that there is a deviation, the fitting distance S is adjusted to the theoretical value of the fitting distance, and the actual extension length ΔL` at this time is obtained. Figure 4 The theoretical function y=f(x), equation (1) and equation (2) are derived from the functional relationship shown, and based on the actual extension length ΔL` and the theoretical function y=f(x), the actual function y=f'(x) taking error compensation into consideration is derived, and the actual function y=f'(x) is stored in the storage unit.

[0072] The researchers of the present invention have found that if the error compensation value c is used as a fixed value to make the tire building machine manufacture tires, the accuracy may sometimes be insufficient, so the actual function y=f'(x) that takes error compensation into consideration is used. In this case, even if it is necessary to use the same tire building machine to manufacture tires of various specifications, it is not necessary to repeat the above-mentioned preprocessing operation for each tire specification, and the actual manufacturing parameters such as the drum radius R, the material thickness T, and the actual extension length ΔL' can be obtained with high accuracy based on the tire specification parameters, the theoretical parameters, and the actual function y=f'(x), so that the control unit causes the tire building machine to manufacture tires with high accuracy based on the actual manufacturing parameters.

[0073] In summary, if Figure 8 As shown, the third positioning method including error compensation involved in the present invention comprises: a preprocessing step S301, storing the design parameters of the tire forming machine, the specification parameters of the tire to be manufactured, the theoretical functions including equations (1) and (2), and the actual function y=f'(x) taking error compensation into consideration in a storage unit; a reading step S302, in which the control unit reads the required theoretical parameters, theoretical functions, and the actual function y=f'(x) taking error compensation into consideration from the storage unit according to the specifications of the tire to be manufactured, thereby calculating the actual extension length ΔL' that the cylinder assembly 11 should extend based on the actual function y=f'(x); and a driving step S303, in which the control unit performs driving control so that the cylinder assembly 11 extends a predetermined actual extension length ΔL', thereby determining the relative position of the fitting template 12 and the drum assembly 3.

[0074] According to such an error compensation method, the number of preprocessing operations can be reduced and the tire manufacturing accuracy can be improved.

[0075] The above-mentioned error compensation methods are only examples and are not particularly limited. Moreover, the above-mentioned first error compensation method to the third error compensation method can be applied to the above-mentioned various embodiments.

[0076] The above are only embodiments of the present invention and are not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent substitution, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

[0077] It will be appreciated by those skilled in the art that embodiments of the present invention may be provided as methods, systems, or computer program products. Therefore, the present invention may take the form of a complete hardware embodiment, a complete software embodiment, or an embodiment combining software and hardware. Moreover, the present invention may take the form of a computer program product implemented on one or more computer-usable storage media (including but not limited to disk storage, CD-ROM, optical storage, etc.) containing computer-usable program instructions.

[0078] These computer program instructions can also be loaded onto a computer or other programmable data processing device so that a series of operating steps are executed on the computer or other programmable device to produce a computer-implemented process, thereby providing instructions for implementing the process. Figure 1 A process or multiple processes and / or boxes Figure 1 steps for the function selected in a box or multiple boxes.

Claims

1. A laminating template positioning device for a tire forming machine, the tire forming machine comprising a material feeding rack, a laminating template, a cylinder assembly, and a drum assembly, the laminating template laminating a material for manufacturing a tire to an outer surface of the drum assembly, the laminating template positioning device being characterized in that: have: The cylinder assembly has one end connected to the feeding rack and the other end connected to the laminating template; The laminating template has a base end connected to the feed rack and a top end close to the drum assembly; and The lamination template rises and falls when the cylinder assembly is extended and retracted, thereby determining the relative position of the lamination template and the drum assembly.

2. The laminating template positioning device for a tire building machine according to claim 1, characterized in that: The fitting template comprises: A template body, the base end of which is connected to the feed frame and the top end of which can rise and fall; A base end roller, which is provided at the base end of the template body and is rotatable; A top roller, which is disposed at the top of the template body and does not rotate; A conveyor belt is hung around the top roller and the base roller, and can be driven by the base roller to convey the material from the feed rack to the outer surface of the drum assembly. When the relative position between the laminating template and the drum assembly is determined, the laminating template laminates the material onto the outer surface of the drum assembly.

3. The laminating template positioning device for a tire building machine according to claim 2, characterized in that: The laminating template is arranged above the drum assembly. The cylinder assembly is arranged above the bonding template and extends obliquely. One end of the cylinder assembly is pivotally connected to the feeding rack, and the other end is pivotally connected to the bonding template.

4. The laminating template positioning device for a tire building machine according to claim 2, characterized in that: The cylinder assembly is disposed below the laminating template and extends obliquely upward toward the top roller of the laminating template. The lower end of the cylinder assembly is pivotally connected to the feeding rack, and the upper end is pivotally connected to the laminating template.

5. The laminating template positioning device for a tire building machine according to claim 2, characterized in that: The cylinder assembly is arranged below the laminating template and is telescopic in the horizontal direction, and also includes a tripod in the form of a right-angled triangle, wherein the horizontal side of the right-angled side of the tripod can slide freely in the horizontal direction, and the vertical side faces the feeding rack. One end of the telescopic rod of the cylinder assembly is connected to the feeding rack, and the other end is connected to the lower part of the vertical edge. The tripod is used to convert the telescopic movement of the cylinder assembly in the horizontal direction into the rise and fall of the bonding template in the inclined direction.

6. A method for positioning a laminating template of a tire forming machine, the tire forming machine comprising a material feeding rack, a laminating template, a cylinder assembly, and a drum assembly, wherein the laminating template laminates a material for manufacturing a tire on an outer surface of the drum assembly, The laminating template positioning method is characterized in that: include: A preprocessing step of storing the specification parameters of the tire, the design parameters of the tire building machine, and the functions required for calculation in a storage unit; a reading step of reading required parameters and functions from the storage unit according to the specification parameters of the tire to be manufactured, and obtaining the length of the cylinder assembly when the tire is manufactured, that is, the cylinder assembly length L; and The driving step makes the cylinder assembly the cylinder assembly length L, thereby determining the relative position of the laminating template and the drum assembly.

7. The method for positioning the laminating template of a tire building machine according to claim 6, characterized in that: In the preprocessing step, for each tire specification, the actual extension length of the cylinder assembly, i.e., the actual extension length ΔL', is calculated based on the parameters and the function, and the specification parameters and the actual extension length ΔL' are stored in a storage unit in a list in association with each other. In the reading step, the actual extension length ΔL' is read from the list in the storage unit according to the specification parameters of the tire to be manufactured, In the driving step, the cylinder assembly is extended by the actual extension length ΔL`, thereby determining the relative position of the laminating template and the drum assembly.

8. The method for positioning the laminating template of a tire building machine according to claim 6, characterized in that: In the preprocessing step, based on the parameters and the function, by calculating the length of the cylinder assembly to be extended theoretically, i.e., the theoretical extension length ΔL, and obtaining the length of the cylinder assembly to be extended actually, i.e., the actual extension length ΔL`, the difference between the theoretical extension length ΔL and the actual extension length ΔL` of the cylinder assembly, i.e., the error compensation value c, is calculated, and the specification parameters, the theoretical extension length ΔL, and the error compensation value c are stored in a storage unit; In the reading step, the actual extension length ΔL' that the cylinder assembly should extend is calculated according to the specification parameters of the tire to be manufactured, the theoretical extension length ΔL, and the error compensation value c; In the driving step, the cylinder assembly is extended by the actual extension length ΔL`, thereby determining the relative position of the laminating template and the drum assembly.

9. The method for positioning the laminating template of a tire building machine according to claim 6, characterized in that: In the preprocessing step, based on the parameters and the function, the actual function y=f'(x) taking error compensation into consideration is obtained by calculating the theoretical extension length of the cylinder assembly, i.e., the theoretical extension length ΔL, and obtaining the actual extension length of the cylinder assembly, i.e., the actual extension length ΔL'. The specification parameters and the actual function y=f'(x) are stored in a storage unit. In the reading step, according to the specification parameters of the tire to be manufactured and the actual function y=f'(x), the actual extension length ΔL' that the cylinder assembly should extend is calculated; In the driving step, the cylinder assembly is extended by the actual extension length ΔL`, thereby determining the relative position of the laminating template and the drum assembly.

10. A storage medium storing a computer program, characterized in that: When the computer program is executed by a processor, the method for positioning a laminating template for a tire building machine according to any one of claims 6 to 9 can be implemented.

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