WO2024114465A1 - 绝缘片材缠绕组件及轮胎成型机 - Google Patents

绝缘片材缠绕组件及轮胎成型机 Download PDF

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Publication number
WO2024114465A1
WO2024114465A1 PCT/CN2023/133114 CN2023133114W WO2024114465A1 WO 2024114465 A1 WO2024114465 A1 WO 2024114465A1 CN 2023133114 W CN2023133114 W CN 2023133114W WO 2024114465 A1 WO2024114465 A1 WO 2024114465A1
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WO
WIPO (PCT)
Prior art keywords
insulating sheet
forming drum
frame
winding assembly
sheet winding
Prior art date
Application number
PCT/CN2023/133114
Other languages
English (en)
French (fr)
Inventor
张俊
周升平
刘小军
罗伟艺
覃兆远
彭敏
余晟莅
Original Assignee
桂林橡胶设计院有限公司
中化学装备科技集团有限公司
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Publication date
Application filed by 桂林橡胶设计院有限公司, 中化学装备科技集团有限公司 filed Critical 桂林橡胶设计院有限公司
Publication of WO2024114465A1 publication Critical patent/WO2024114465A1/zh

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D30/00—Producing pneumatic or solid tyres or parts thereof
    • B29D30/06—Pneumatic tyres or parts thereof (e.g. produced by casting, moulding, compression moulding, injection moulding, centrifugal casting)
    • B29D30/08—Building tyres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D30/00—Producing pneumatic or solid tyres or parts thereof
    • B29D30/06—Pneumatic tyres or parts thereof (e.g. produced by casting, moulding, compression moulding, injection moulding, centrifugal casting)
    • B29D30/08—Building tyres
    • B29D30/20—Building tyres by the flat-tyre method, i.e. building on cylindrical drums
    • B29D30/28—Rolling-down or pressing-down the layers in the building process

Definitions

  • the present application relates to the technical field of rubber machinery and equipment, and in particular to an insulating sheet winding assembly and a tire building machine.
  • Tire building machine is a special equipment for tire production, which combines semi-finished parts (such as tread, sidewall, crown, rubber, carcass, etc.) into tire embryos according to process requirements during the tire manufacturing process.
  • semi-finished parts such as tread, sidewall, crown, rubber, carcass, etc.
  • the first is manual winding (or laminating) starting. Due to the uncertainty of manual operation, this method has quality problems such as the material head falling off and the large position deviation of the material head pressed on the drum (or) roller, and there are hidden dangers to personnel safety.
  • the second is vacuum adsorption starting. This method requires adding a vacuum adsorption device to the drum (or) roller, which increases the complexity of the equipment. In addition, this method cannot be used for drums with specific functions. In addition, vacuum adsorption has problems such as vacuum leakage and unstable adsorption caused by changes in the viscosity of the rubber material, and the adsorption stability has defects.
  • the third is to use magnetic adsorption to start the pressure plate.
  • This method uses the principle of magnetic adsorption, has simple requirements on the structure of the drum (or roller), and is easy to realize automatic starting.
  • the disadvantage is that a complex automatic pick-up and place pressure plate mechanism is required to realize automatic starting; and for wide films, the pressure plate needs to have a large span, and the material and shape requirements are high; at the same time, there are problems such as the pressure plate is easy to deform and wears out quickly after repeated use.
  • the embodiments of the present application provide an insulating sheet winding assembly, which has a simple, stable and reliable starting winding process for the insulating sheet, reduces the level of human involvement, and has smaller structural changes or requirements on the forming drum than related technologies, making it easier to obtain.
  • An embodiment of the present application also provides a tire building machine.
  • the insulating sheet winding assembly of the embodiment of the present application is used to wind the insulating sheet, and the insulating sheet winding assembly includes:
  • a first frame wherein the first frame is provided with a conductive portion, and the conductive portion is grounded;
  • a forming drum the forming drum is rotatably mounted on the first frame, the forming drum is provided with a conductive layer, and the conductive layer abuts against the conductive portion;
  • An electrostatic generator is movably arranged on the first frame to be close to or away from the conductive layer of the forming drum.
  • the insulating sheet winding assembly of the embodiment of the present application has a simple, stable and reliable starting winding process for the insulating sheet, reduces the level of human involvement, and has smaller structural changes or requirements on the forming drum than related technologies, making it easier to obtain.
  • the insulating sheet winding assembly further comprises a lifting device, wherein the lifting device is arranged on the first On the frame, the electrostatic generator is arranged on the lifting device to drive the electrostatic generator to move.
  • the insulating sheet winding assembly further includes a pressing roller, which is rotatably disposed on the lifting device, and the lifting device drives the pressing roller to approach and move away from the forming drum.
  • the extension direction of the pressing roller is parallel to the extension direction of the forming drum, and the pressing roller is located on the front side of the electrostatic generator in the rotation direction of the forming drum.
  • a length of each of the electrostatic generator, the pressing roller, and the conductive layer of the forming drum is greater than or equal to a preset value.
  • the lamination roller is an insulating roller.
  • the lifting device comprises:
  • a driving motor wherein the driving motor is arranged on the first frame
  • a lead screw connected to a power output shaft of the drive motor
  • a first mounting frame is slidably connected to the first frame body, the first mounting frame is arranged on the lead screw to drive the first mounting frame to move, and each of the electrostatic generator and the laminating roller is arranged on the first mounting frame.
  • the lifting device further comprises:
  • a second mounting frame wherein the second mounting frame is slidably disposed on the first mounting frame, the second mounting frame is connected to the electrostatic generator and the lamination roller on a side adjacent to the forming drum, and the cylinder is connected to the second mounting frame to drive the electrostatic generator and the lamination roller to move.
  • the electrostatic generator includes an electrostatic machine and an electrostatic rod, the electrostatic rod is connected to the electrostatic machine, the electrostatic rod is arranged on one side of the second mounting frame, the extension direction of the electrostatic rod is parallel to the extension direction of the forming drum, and the length of the electrostatic rod is greater than or equal to a preset value.
  • the tire building machine of the embodiment of the present application includes the insulating sheet winding assembly.
  • the tire building machine of the embodiment of the present application can automatically complete the starting winding operation of the rubber sheet, thereby improving the automation level of the tire building machine.
  • the tire building machine further comprises:
  • the second frame The second frame;
  • a feeding swing frame is rotatably arranged on the second frame between a working position capable of cooperating with the forming drum of the insulating sheet winding assembly and a disengaged position disengaged from the forming drum of the insulating sheet winding assembly.
  • FIG1 is a schematic diagram of a tire building machine in an embodiment of the present application in a winding state
  • FIG2 is a second schematic diagram of the tire building machine in the embodiment of the present application in a winding state
  • FIG3 is a third schematic diagram of the tire building machine in the embodiment of the present application in a winding state
  • FIG4 is a partial enlarged view of FIG3
  • FIG5 is a schematic diagram of a tire building machine according to an embodiment of the present application when an insulating sheet is wound around once;
  • FIG. 6 is a schematic diagram of the tire building machine according to an embodiment of the present application in a non-winding state.
  • Tire building machine 1000 Winding start assembly 100; Forming drum 1, electrostatic generator 2, lifting device 3, driving motor 31, second mounting frame 32, first mounting frame 33, Cylinder 34, pressing roller 4; Feeding swing rack 200; Insulation sheet 300 .
  • a tire building machine 1000 includes an insulation sheet winding assembly 100 .
  • the insulating sheet winding assembly 100 includes a first frame (not shown in the figure), a forming drum 1 and an electrostatic generator 2.
  • the first frame is provided with a conductive part, which is grounded.
  • the forming drum 1 is rotatably arranged on the first frame, and the forming drum 1 is provided with a conductive layer, which is in contact with the conductive part.
  • the electrostatic generator 2 is movably arranged on the first frame to approach or move away from the conductive layer of the forming drum 1.
  • the insulating sheet 300 is conveyed to a position in contact with the forming drum 1, the head of the insulating sheet 300 is conveyed to the forming drum 1 (i.e., the starting position, for example, directly above the forming drum 1 in Figures 3 and 4), and the electrostatic generator 2 moves to approach the forming drum 1 and reaches a set position, which is a space between the electrostatic generator 2 and the forming drum 1 and the space does not affect the passage of the insulating sheet 300. That is, after the electrostatic generator 2 moves to the set position, the electrostatic generator 2 is located above the forming drum 1, and the insulating sheet 300 is located between the electrostatic generator 2 and the forming drum 1.
  • the electrostatic generator 2 is turned on and the forming drum 1 starts to rotate.
  • the electrostatic generator 2 forms an ion cloud at its emission end.
  • the surface of the side facing the electrostatic generator 2 in the thickness direction will be charged, and the grounded conductive layer of the forming drum 1 on the other side of the insulating sheet 300 in the thickness direction will generate an opposite charge (by passing the head of the insulating sheet 300 between the electrostatic generator 2 and the forming drum 1).
  • There is an attraction between the charge on the insulating sheet 300 and the opposite charge on the conductive layer so that the insulating sheet 300 is adsorbed on the forming drum 1, that is, the insulating sheet 300 is attached to the forming drum 1.
  • the insulating sheet 300 is gradually wound on the forming drum 1.
  • the insulating sheet 300 continues to be wound on the forming drum 1 as the forming drum 1 continues to rotate.
  • the electrostatic generator 2 can stop working after the head of the insulating sheet 300 is adsorbed on the forming drum 1, and the charge on the insulating sheet 300 is lost slowly because the insulating sheet 300 is non-conductive, which can ensure the reliable adsorption of the head of the insulating sheet 300.
  • the insulating sheet winding assembly 100 of the embodiment of the present application uses the electrostatic generator 2 to form charges on the insulating sheet 300 and forms opposite charges on the grounded conductive layer of the forming drum 1, thereby using the attraction between the opposite charges to adsorb the insulating sheet 300 on the forming drum 1, so as to complete the starting and winding of the insulating sheet 300 as the forming drum 1 rotates.
  • the conductive layer on the forming drum 1 of the insulating sheet winding assembly 100 of the embodiment of the present application abuts against the conductive part of the first frame so that the conductive layer is grounded, and the grounding method is simple and easy to manufacture.
  • the insulating sheet winding assembly 100 of the embodiment of the present application proposes a new method for starting winding of the insulating sheet 300, that is, the material head of the insulating sheet 300 is passed between the electrostatic generator 2 and the forming drum 1.
  • This method is simple, stable and reliable for the starting winding process of the insulating sheet 300.
  • the insulating sheet winding assembly 100 of the embodiment of the present application has less structural changes or requirements on the forming drum 1 and is easier to obtain.
  • the insulating sheet 300 may be a rubber sheet, a resin sheet or the like.
  • the tire building machine 1000 of the embodiment of the present application can automatically complete the start winding operation of the rubber sheet, thereby improving the automation level of the tire building machine 1000.
  • the technical solution of the present application is described below by taking the example that the conveying direction of the insulating sheet 300 is consistent with the front-to-back direction and the extension direction of the rotation axis of the forming drum 1 is consistent with the left-to-right direction, wherein the front-to-back direction is as shown in Figures 1 and 3 to 6, and the left-to-right direction is as shown in Figures 1 and 2.
  • the tire building machine 1000 of the embodiment of the present application includes a second frame (not shown in the figure), a feeding swing frame 200 and an insulating sheet winding assembly 100 .
  • the feeding swing frame 200 is rotatably arranged on the second frame between a working position capable of cooperating with the forming drum 1 of the insulating sheet winding assembly 100 and a disengagement position disengaged from the forming drum 1 of the insulating sheet winding assembly 100 .
  • the feeding swing rack 200 is located at the disengaged position, as shown in FIG. 6 , that is, the feeding swing rack 200 is spaced apart from the building drum 1 .
  • the feeding swing frame 200 rotates counterclockwise to the working position (see FIG. 1 ), and the insulating sheet 200 is transported by the feeding swing frame 200 toward the direction of the building drum 1 (i.e., the backward direction in FIG. 1 ), so that the head of the insulating sheet 200 reaches the starting position. Then the feeding swing frame 200 cooperates with the insulating sheet winding assembly 100, the electrostatic generator 2 is turned on, and the feeding of the feeding swing frame 200 is synchronized with the rotation of the building drum 1, thereby completing the starting and winding of the insulating sheet 200.
  • the feeding swing frame 200 rotates clockwise to the disengagement position (see FIG. 6).
  • the tire building machine 1000 realizes automatic feeding of the insulating sheet 300 through the feeding swing rack 200 , further improving the automation level of the tire building machine 1000 .
  • the insulating sheet winding assembly 100 includes a first frame, a forming drum 1 , an electrostatic generator 2 , a lifting device 3 and a pressing roller 4 .
  • the first frame of the insulating sheet winding assembly 100 and the second frame on which the feeding swing frame 200 is arranged are both part of the frame of the tire building machine 1000 .
  • the first frame is provided with a conductive part, and the conductive part is grounded.
  • the conductive part is made of conductive metal material.
  • the forming drum 1 is rotatably arranged on the first frame, and the forming drum 1 is provided with a conductive layer, and the conductive layer is in contact with the conductive part.
  • at least a portion of the forming drum 1 is made of metal material, so that the forming drum 1 has the conductive layer.
  • the forming drum 1 is arranged on the first frame so that the conductive layer of the forming drum 1 and the conductive part of the first frame form a conductive path. In other words, the conductive part of the first frame is grounded, that is, the conductive layer is grounded, and this grounding method is relatively simple.
  • the lifting device 3 is arranged on the first frame, and the electrostatic generator 2 is arranged on the lifting device 3 to drive the electrostatic generator 2 to move.
  • the lifting device 3 can not only drive the electrostatic generator 2 to move closer to the building drum 1, but also drive the electrostatic generator 2 to move away from the building drum 1.
  • the setting of the lifting device 3 can automatically drive the electrostatic generator 2 to move up and down, further improving the automation of the insulating sheet winding assembly 100 for the insulating sheet 300 on the building drum 1, and also further improving the automation of the tire building machine 1000.
  • the electrostatic generator 2 includes an electrostatic machine (not shown) and an electrostatic rod 21, the electrostatic rod 21 is connected to the electrostatic machine, the electrostatic rod 21 is arranged on the lifting device 3, and the lifting device 3 drives the electrostatic rod 21 to move.
  • the electrostatic rod 21 is electrically connected to the electrostatic machine.
  • the electrostatic machine is the host end of the electrostatic generator 2, and the electrostatic rod 21 is the transmitting end of the electrostatic generator 2.
  • an ion cloud static electricity
  • the electrostatic machine and the electrostatic rod 21 are separated, and the electrostatic rod 21 is arranged on the lifting device 3, which can reduce the energy consumption of the lifting device 3.
  • the extension direction of the electrostatic rod 21 is parallel to the extension direction of the forming drum 1, so that the extension direction of the charged area formed by the electrostatic generator 2 on the insulating sheet 300 is the same as the extension direction of the forming drum 1, further enhancing the adsorption effect of the attraction between opposite charges on the insulating sheet 300, thereby further improving the stability and reliability of the insulating sheet winding assembly 100 in the starting winding process of the insulating sheet 300.
  • the lamination roller 4 is rotatably disposed on the lifting device 3, and the lifting device 3 drives the lamination roller 4 to approach and move away from the forming drum 1.
  • the extension direction of the lamination roller 3 is parallel to the extension direction of the forming drum 1.
  • the lamination roller 4 is located in front of the electrostatic generator 2 in the rotation direction of the forming drum 1.
  • the pressing roller 4 moves downward to a height that matches with the forming drum 1.
  • the pressing roller 4 matches with the forming drum 1 to press the insulating sheet 300 so that the insulating sheet 300 at this position is attached to the forming drum 1.
  • the lamination roller 4 is located in front of the electrostatic rod 21 in the rotation direction of the forming drum 1, that is, the insulating sheet 300 is first squeezed by the lamination roller 4 and adhered to the forming drum 1, and then the insulating sheet 300 is adsorbed on the forming drum 1 under the action of the electrostatic generator 2 (electrostatic rod 21), so as to avoid the problem of warping of the insulating sheet 300 during the initial winding process.
  • the lamination roller 4 is located directly above the forming drum 1
  • the electrostatic rod 21 is located obliquely above the forming drum 1
  • the electrostatic rod 21 is located at the rear side of the lamination roller 4. That is, in the embodiments shown in FIG2 and FIG4 , before the insulating sheet winding assembly 100 winds the insulating sheet 300, the head of the insulating sheet 300 is transported directly above the forming drum 1, that is, the starting position is directly above the forming drum 1.
  • the lamination roller 4 is arranged on the lifting device 3, and the lifting device 3 can drive the lamination roller 4 and the electrostatic rod 21 to move simultaneously, so as to ensure the synchronization of the lamination roller 4 and the electrostatic rod 21 in the winding operation of the insulating sheet 300 by the insulating sheet winding assembly 100.
  • the lamination roller 4 is an insulating roller.
  • the insulating lamination roller 4 can prevent the formation of charges opposite to those of the insulating sheet 300 thereon, thereby preventing the insulating sheet 300 from forming an attractive force with the lamination roller 4 when passing through the lamination roller 4, thereby ensuring the stability of the starting and winding process of the insulating sheet 300 by the insulating sheet winding assembly 100.
  • the length of each of the electrostatic rod 21, the pressing roller 4 and the conductive layer of the forming drum 1 is greater than or equal to a preset value.
  • the preset value is equal to the width of the insulating sheet 300.
  • the length of each of the electrostatic rod 21, the pressing roller 4 and the conductive layer of the forming drum 1 is greater than or equal to the width of the insulating sheet 300, thereby ensuring that the insulating sheet winding assembly 100 is in contact with the insulating sheet 300.
  • the insulating sheet 300 can all be squeezed by the lamination roller 4, and the material head of the insulating sheet 300 can all pass through the electrostatic action area of the electrostatic generator 2 in the width direction, that is, the material head of the insulating sheet 300 all passes through the electrostatic action area of the electrostatic generator 2, thereby further ensuring that the material head of the insulating sheet 300 completes the starting and overall winding process and avoids warping.
  • the length of each of the electrostatic bar 21 , the pressing roller 4 , and the conductive layer of the forming drum 1 is greater than the width of the insulating sheet 300 .
  • the lifting device 3 includes a driving motor 31, a lead screw and a first mounting frame 33.
  • the driving motor 31 is arranged on the first frame.
  • the lead screw is connected to the power output shaft of the driving motor 31, and the driving motor 31 drives the lead screw to rotate.
  • the first mounting frame 33 is slidably connected to the first frame, and the first mounting frame 33 is arranged on the lead screw, and the rotation of the lead screw drives the first mounting frame 33 to move up and down.
  • Each of the electrostatic rod 21 and the pressing roller 4 is arranged on the first mounting frame 33. That is, each of the electrostatic rod 21 and the pressing roller 4 moves up and down with the up and down movement of the first mounting frame 33 to approach and move away from the forming drum 1.
  • the driving motor 31, the lead screw and the first mounting bracket 33 can drive the electrostatic rod 21 and the lamination roller 4 to move a large distance.
  • the electrostatic rod 21 and the lamination roller 4 can be driven to move to a position farther away from the forming drum 1 to provide space for other operating processes of the tire forming machine 1000.
  • the drive motor 31 is a servo motor.
  • the lifting device 3 further includes a cylinder 34 and a second mounting frame 32.
  • the cylinder 34 is arranged on the first mounting frame 33.
  • the second mounting frame 32 is slidably arranged on the first mounting frame 33, and the second mounting frame 32 is connected to the electrostatic rod 21 and the pressing roller 4 on the side adjacent to the forming drum 1.
  • the cylinder 34 is connected to the second mounting frame 32 to drive the electrostatic rod 21 and the pressing roller 4 to move.
  • the insulating sheet winding assembly 100 uses the cylinder 34 to drive the electrostatic rod 21 and the pressing roller 4 to move in a small range, so that after the driving motor 31 drives the first mounting frame 33 to descend to a position, the cylinder 34 drives the electrostatic rod 21 and the pressing roller 4 to press down.
  • the use of the cylinder 34 is not only convenient for adjusting the moving stroke, but also has a certain degree of self-adaptability, which can avoid the formation of a large extrusion force between the pressing roller 4 and the forming drum 1, which may have an adverse effect on the insulating sheet 300 and the winding process.
  • first and second are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as “first” and “second” may explicitly or implicitly include at least one of the features. In the description of this application, the meaning of "plurality” is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.
  • the terms “installed”, “connected”, “connected”, “fixed” and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral one; it can be a mechanical connection, an electrical connection, or communication with each other; it can be a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined.
  • installed installed”, “connected”, “connected”, “fixed” and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral one; it can be a mechanical connection, an electrical connection, or communication with each other; it can be a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined.
  • the specific meanings of the above terms in this application can be understood according to specific circumstances.
  • a first feature being “above” or “below” a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium.
  • a first feature being “above”, “above”, and “above” a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature.
  • a first feature being “below”, “below”, and “below” a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.
  • the terms “one embodiment”, “some embodiments”, “example”, “specific example”, or “some examples” etc. mean that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application.
  • the schematic representations of the above terms do not necessarily refer to the same embodiment or example.
  • the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner.
  • those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, without contradiction.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Tyre Moulding (AREA)

Abstract

本申请涉及一种绝缘片材缠绕组件及轮胎成型机。其中，绝缘片材缠绕组件用于对绝缘片材进行缠绕，所述绝缘片材缠绕组件包括第一架体、成型鼓和静电发生器，所述第一架体设有导电部，所述导电部接地，所述成型鼓转动设在所述第一架体上，所述成型鼓设有导电层，所述导电层与所述导电部抵接，所述静电发生器可移动地设在所述第一架体上以靠近、远离所述成型鼓的所述导电层。

Description

绝缘片材缠绕组件及轮胎成型机
相关申请的交叉引用
本申请基于申请号为202211511425.X、申请日为2022年11月29日的中国专利申请提出，并要求该中国专利申请的优先权，该中国专利申请的全部内容在此引入本申请作为参考。
技术领域
本申请涉及橡胶机械设备技术领域，尤其是涉及一种绝缘片材缠绕组件及轮胎成型机。
背景技术
轮胎成型机是轮胎制造生产过程中，将半成品部件(如胎面、胎侧、胎冠、型胶、胎体等)按工艺要求组合成型轮胎胎胚的一种轮胎生产专用设备。
现有轮胎成型机成型鼓上橡胶薄片的起头缠绕或贴合方式主要有三种。第一种是人工缠绕(或贴合)起头，该方式由于人工操作的不确定性，存在料头脱落、料头压在鼓(或)辊上位置偏差较大等质量问题，且存在人员安全隐患。第二种是真空吸附起头，该方式需要在鼓(或)辊上增加真空吸附装置，增加了设备的复杂性，并且对于特定功能的鼓，无法利用该方式，并且真空吸附存在真空漏气和胶料粘性变化引起吸附不稳等问题，吸附稳定性存在缺陷。第三种是利用磁力吸附的压板起头，该方式利用磁力吸附原理，对鼓(或辊)的结构要求简单，容易实现自动起头，存在的缺点是需要复杂的自动取放压板机构才能实现自动起头；并且对于宽胶片，需要压板跨度大，材料及形状要求高；同时存在压板使用多次易变形、损耗快等问题。
发明内容
本申请的实施例提出一种绝缘片材缠绕组件，对绝缘片材的起头缠绕过程简单，稳定可靠，降低了人员参与程度，且对成型鼓的构造改动或要求较相关技术小，更易获得。
本申请的实施例还提出一种轮胎成型机。
本申请实施例的绝缘片材缠绕组件用于对绝缘片材进行缠绕，所述绝缘片材缠绕组件包括：
第一架体，所述第一架体设有导电部，所述导电部接地；
成型鼓，所述成型鼓转动设在所述第一架体上，所述成型鼓设有导电层，所述导电层与所述导电部抵接；和
静电发生器，所述静电发生器可移动地设在所述第一架体上以靠近、远离所述成型鼓的所述导电层。
本申请实施例的绝缘片材缠绕组件对绝缘片材的起头缠绕过程简单，稳定可靠，降低了人员参与程度，且对成型鼓的构造改动或要求较相关技术小，更易获得。
在一些实施例中，绝缘片材缠绕组件进一步包括升降装置，所述升降装置设在所述第一 架体上，所述升降装置上设置所述静电发生器以带动所述静电发生器移动。
在一些实施例中，绝缘片材缠绕组件进一步包括压合辊，所述压合辊可转动地设在所述升降装置上，所述升降装置带动所述压合辊靠近、远离所述成型鼓，所述压合辊的延伸方向与所述成型鼓的延伸方向平行，所述压合辊在所述成型鼓的旋转方向上位于所述静电发生器的前侧。
在一些实施例中，所述静电发生器、所述压合辊和所述成型鼓的所述导电层中的每一者的长度大于等于预设值。
在一些实施例中，所述压合辊为绝缘辊。
在一些实施例中，所述升降装置包括：
驱动电机，所述驱动电机设在所述第一架体上；
丝杠，所述丝杠与所述驱动电机的动力输出轴相连；和
第一安装架，所述第一安装架可滑动地与所述第一架体连接，所述丝杠上设置所述第一安装架以带动所述第一安装架移动，所述静电发生器和所述压合辊中的每一者设在所述第一安装架上。
在一些实施例中，所述升降装置进一步包括：
气缸，所述气缸设在所述第一安装架上；和
第二安装架，所述第二安装架可滑动地设在所述第一安装架上，所述第二安装架在邻近所述成型鼓的一侧连接所述静电发生器和所述压合辊，所述气缸与所述第二安装架相连以带动所述静电发生器和所述压合辊移动。
在一些实施例中，所述静电发生器包括静电机和静电棒，所述静电棒与所述静电机连接，所述静电棒设在所述第二安装架的所述一侧，所述静电棒的延伸方向与所述成型鼓的延伸方向平行，所述静电棒的长度大于等于预设值。
本申请的实施例的轮胎成型机，包括所述的绝缘片材缠绕组件。
本申请的实施例的轮胎成型机可自动完成对橡胶片进行起头缠绕作业，提升了轮胎成型机的自动化程度。
在一些实施例中，轮胎成型机进一步包括：
第二架体；和
供料摆架，所述供料摆架在能够与所述绝缘片材缠绕组件的成型鼓相配合的工作位置和与所述绝缘片材缠绕组件的成型鼓脱离的脱离位置之间可转动地设在所述第二架体上。
附图说明
图1是本申请的实施例的轮胎成型机处于缠绕状态的示意图之一；
图2是本申请的实施例的轮胎成型机处于缠绕状态的示意图之二；
图3是本申请的实施例的轮胎成型机处于缠绕状态的示意图之三；
图4是图3的局部放大图；
图5是本申请的实施例的轮胎成型机在绝缘片材缠绕一周时的状态示意图；
图6是本申请的实施例的轮胎成型机处于非缠绕状态的示意图。
附图标记：
轮胎成型机1000；
缠绕起头组件100；
成型鼓1，静电发生器2，升降装置3，驱动电机31，第二安装架32，第一安装架33，
气缸34，压合辊4；
供料摆架200；
绝缘片材300。
具体实施方式
下面详细描述本申请的实施例，所述实施例的示例在附图中示出。下面通过参考附图描述的实施例是示例性的，旨在用于解释本申请，而不能理解为对本申请的限制。
如图1至图6所示，本申请的实施例的轮胎成型机1000包括绝缘片材缠绕组件100。
绝缘片材缠绕组件100包括第一架体(图中未示出)、成型鼓1和静电发生器2。第一架体设有导电部，导电部接地，成型鼓1转动设在第一架体上，成型鼓1设有导电层，导电层与导电部抵接。静电发生器2可移动地设在第一架体上以靠近、远离成型鼓1的该导电层。
本申请的实施例的绝缘片材缠绕组件100在对绝缘片材300进行缠绕作业前，绝缘片材300被输送至与成型鼓1接触的位置，绝缘片材300的料头被输送到成型鼓1上(即起头位置，例如附图3、图4中成型鼓1的正上方)，静电发生器2移动以靠近成型鼓1且到达设定位置，该设定位置即静电发生器2与成型鼓1之间间隔开且该间隔不影响绝缘片材300的通过。也就是说，静电发生器2移动到该设定位置后，静电发生器2位于成型鼓1的上方，绝缘片材300位于静电发生器2与成型鼓1之间。
而后，开启静电发生器2、成型鼓1开始旋转，静电发生器2在其发射端形成离子云，绝缘片材300通过离子云区域时，其在厚度方向上朝向静电发生器2的一侧表面会带上电荷，而处于绝缘片材300在其厚度方向上的另一侧的成型鼓1的接地的该导电层会产生相反电荷(采用绝缘片材300的料头穿过静电发生器2与成型鼓1之间的方式)，绝缘片材300上的电荷与该导电层上的相反电荷之间存在吸引力，使得绝缘片材300吸附在成型鼓1上，即完成了绝缘片材300在成型鼓1上的起头。随着成型鼓1的旋转，绝缘片材300逐渐缠绕在成型鼓1上。进而，绝缘片材300随着成型鼓1的持续旋转而在成型鼓1上继续缠绕。
静电发生器2在绝缘片材300的料头吸附在成型鼓1上后可以停止工作，而绝缘片材300上的电荷由于绝缘片材300不导电而流失缓慢，可保证绝缘片材300的料头的可靠吸附。
本申请的实施例的绝缘片材缠绕组件100利用静电发生器2在绝缘片材300上形成电荷、在成型鼓1的接地的该导电层上形成相反的电荷，从而利用相反电荷之间的吸引力使绝缘片材300吸附在成型鼓1上，以随着成型鼓1的旋转而完成绝缘片材300的起头和缠绕。并且，本申请的实施例的绝缘片材缠绕组件100的成型鼓1上的该导电层与第一架体的导电部抵接从而使导电层接地，接地方式简单易制造。
本申请的实施例的绝缘片材缠绕组件100提出了一种新的对绝缘片材300进行起头缠绕的方式，即采用绝缘片材300的料头穿过静电发生器2与成型鼓1之间的方式，该方式对绝缘片材300的起头缠绕过程简单，稳定可靠。相较于相关技术中的在成型鼓上增加真空吸附装置，本申请的实施例的绝缘片材缠绕组件100对成型鼓1的构造改动或要求较小，更易获得。
绝缘片材300可以为橡胶薄片、树脂片材等。
因此，本申请的实施例的轮胎成型机1000可自动完成对橡胶片进行起头缠绕作业，提升了轮胎成型机1000的自动化程度。
为了使本申请的技术方案更容易被理解，下面以绝缘片材300的输送方向与前后方向一致、成型鼓1的旋转轴线的延伸方向与左右方向一致为例，描述本申请的技术方案，其中，前后方向如图1、图3至图6所示，左右方向如图1和图2所示。
本申请实施例的轮胎成型机1000包括第二架体(图中未示出)、供料摆架200和绝缘片材缠绕组件100。
供料摆架200在能够与绝缘片材缠绕组件100的成型鼓1相配合的工作位置和与绝缘片材缠绕组件100的成型鼓1脱离的脱离位置之间可转动地设在第二架体上。
在轮胎成型机1000未进行绝缘片材300的缠绕作业前，供料摆架200位于该脱离位置，参阅图6所示，即供料摆架200与成型鼓1间隔开。
在轮胎成型机1000对绝缘片材300进行缠绕作业前，供料摆架200逆时针转动到该工作位置(参阅图1)，绝缘片材200被供料摆架200朝成型鼓1的方向(即图1方向中的向后方向)输送，使绝缘片材200的料头到达该起头位置。而后供料摆架200与绝缘片材缠绕组件100配合，静电发生器2开启，供料摆架200的送料与成型鼓1的旋转同步动作，进而完成对绝缘片材200的起头和缠绕。
在轮胎成型机1000完成对该绝缘片材300的缠绕后，供料摆架200顺时针转动到该脱离位置(参阅图6)。
轮胎成型机1000通过供料摆架200实现对绝缘片材300的自动供料，进一步提升轮胎成型机1000的自动化程度。
绝缘片材缠绕组件100包括第一架体、成型鼓1、静电发生器2、升降装置3和压合辊4。
绝缘片材缠绕组件100的第一架体和设置供料摆架200的第二架体都是轮胎成型机1000的机架的一部分。
第一架体设有导电部，导电部接地。在一些实施例中，导电部为导电金属材料制作。
成型鼓1转动设在第一架体上，成型鼓1设有导电层，导电层与导电部抵接。在一些实施例中，成型鼓1的至少一部分采用金属材料制作而成，使成型鼓1具有该导电层。成型鼓1设在第一架体上使成型鼓1的导电层与第一架体的导电部形成导电路径。也就是说，第一架体的导电部接地即该导电层接地，该接地方式较为简便。
升降装置3设在第一架体上，升降装置3上设置静电发生器2以带动静电发生器2移动 以靠近、远离成型鼓1的该导电层。也就是说，升降装置3不仅可以带动静电发生器2移动以靠近成型鼓1，也可以带动静电发生器2移动以远离成型鼓1。升降装置3的设置能够自动带动静电发生器2的上下移动，进一步提升了绝缘片材缠绕组件100对绝缘片材300在成型鼓1上的起头的自动化程度，也进一步提升了轮胎成型机1000的自动化程度。
静电发生器2包括静电机(图中未示出)和静电棒21，静电棒21与静电机连接，静电棒21设在升降装置3上，升降装置3带动静电棒21移动。在一些实施例中，静电棒21与静电机之间电连接。也就是说，静电机是静电发生器2的主机端，静电棒21是静电发生器2的发射端，开启静电机，静电棒21上则形成离子云(静电)。静电机和静电棒21之间分体设置、静电棒21设在升降装置3上，可降低升降装置3的能量消耗。
静电棒21的延伸方向与成型鼓1的延伸方向平行，使得静电发生器2在绝缘片材300上形成的带电荷的区域的延伸方向与成型鼓1的延伸方向相同，进一步提升相反电荷之间的吸引力对绝缘片材300的吸附作用，从而进一步提升绝缘片材缠绕组件100对绝缘片材300的起头缠绕过程的稳定性和可靠性。
压合辊4可转动地设在升降装置3上，升降装置3带动压合辊4靠近、远离成型鼓1，压合辊3的延伸方向与成型鼓1的延伸方向平行，压合辊4在成型鼓1的旋转方向上位于静电发生器2的前侧。
在绝缘片材缠绕组件100对绝缘片材300进行缠绕作业前，压合辊4下降移动到与成型鼓1相配合的高度。在绝缘片材缠绕组件100对绝缘片材300进行缠绕作业的情况下，压合辊4与成型鼓1相配合以挤压绝缘片材300使该位置下的绝缘片材300贴合成型鼓1。
压合辊4在成型鼓1的旋转方向上位于静电棒21的前侧，也就是说，绝缘片材300先经过压合辊4的挤压而贴合在成型鼓1上，而后在静电发生器2(静电棒21)的作用下绝缘片材300吸附在成型鼓1上，如此可避免绝缘片材300在起头缠绕过程中发生翘边的问题。
在一些实施例中，参阅图3和图4所示，压合辊4位于成型鼓1的正上方，静电棒21位于成型鼓1的斜上方，静电棒21位于压合辊4的后侧。也就是说，在图2和图4所示的实施例中，绝缘片材缠绕组件100在对绝缘片材300进行缠绕作业前，绝缘片材300的料头被输送到成型鼓1的正上方，即起头位置在成型鼓1的正上方。
压合辊4设在升降装置3上，升降装置3可带动压合辊4与静电棒21同时进行移动，可保证压合辊4和静电棒21在绝缘片材缠绕组件100对绝缘片材300的缠绕作业中的同步性。
在一些实施例中，压合辊4为绝缘辊，在静电发生器2开启状态下，绝缘的压合辊4能够避免其上形成与绝缘片材300相反的电荷，继而避免绝缘片材300在经过压合辊4的情况下与压合辊4形成吸引力，从而保证绝缘片材缠绕组件100对绝缘片材300的起头、缠绕过程的稳定性。
静电棒21、压合辊4和成型鼓1的导电层中的每一者的长度大于等于预设值。该预设值与绝缘片材300的宽度相等。也就是说，静电棒21、压合辊4和成型鼓1的导电层中的每一者的长度大于等于绝缘片材300的宽度，从而能够保证在绝缘片材缠绕组件100对绝缘 片材300的起头、缠绕过程中，绝缘片材300能够全部经过压合辊4的挤压、绝缘片材300的料头的宽度方向上全部能够经过静电发生器2的静电作用区域，即绝缘片材300的料头全部经过静电发生器2的静电作用区域，从而更进一步地保证绝缘片材300的料头完成起头和整体缠绕过程，且避免翘边。
在一些实施例中，静电棒21、压合辊4和成型鼓1的导电层中的每一者的长度大于绝缘片材300的宽度。
在一些实施例中，升降装置3包括驱动电机31、丝杠和第一安装架33。驱动电机31设在第一架体上。丝杠与驱动电机31的动力输出轴相连，驱动电机31带动丝杠旋转。第一安装架33可滑动地与第一架体连接，丝杠上设置第一安装架33，丝杠的旋转带动第一安装架33上下移动。静电棒21和压合辊4中的每一者设在第一安装架33上。也即是，静电棒21和压合辊4中的每一者随第一安装架33的上下移动而上下移动以靠近、远离成型鼓1。
驱动电机31、丝杠和第一安装架33能够带动静电棒21和压合辊4进行较大距离的移动，可在轮胎成型机1000进行非缠绕作业的情况下，带动静电棒21和压合辊4移动到距离成型鼓1较远的位置，以为轮胎成型机1000的其他作业过程提供空间。
在一些实施例中，驱动电机31为伺服电机。
升降装置3进一步包括气缸34和第二安装架32。气缸34设在第一安装架33上。第二安装架32可滑动地设在第一安装架33上，第二安装架32在邻近成型鼓1的一侧连接静电棒21和压合辊4，气缸34与第二安装架32相连以带动静电棒21和压合辊4移动。
绝缘片材缠绕组件100采用气缸34带动静电棒21和压合辊4进行小范围的移动，以在驱动电机31带动第一安装架33下降到位后，通过气缸34带动静电棒21和压合辊4下压。并且，采用气缸34不仅便于移动行程的调节，同时气缸34具有一定的自适应能力，能够避免压合辊4与成型鼓1之间形成较大的挤压力而对绝缘片材300及缠绕过程产生不良影响。
在本申请的描述中，需要理解的是，术语“中心”、“纵向”、“横向”、“长度”、“宽度”、“厚度”、“上”、“下”、“前”、“后”、“左”、“右”、“竖直”、“水平”、“顶”、“底”“内”、“外”、“顺时针”、“逆时针”、“轴向”、“径向”、“周向”等指示的方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述本申请和简化描述，而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本申请的限制。
此外，术语“第一”、“第二”仅用于描述目的，而不能理解为指示或暗示相对重要性或者隐含指明所指示的技术特征的数量。由此，限定有“第一”、“第二”的特征可以明示或者隐含地包括至少一个该特征。在本申请的描述中，“多个”的含义是至少两个，例如两个，三个等，除非另有明确具体的限定。
在本申请中，除非另有明确的规定和限定，术语“安装”、“相连”、“连接”、“固定”等术语应做广义理解，例如，可以是固定连接，也可以是可拆卸连接，或成一体；可以是机械连接，也可以是电连接或彼此可通讯；可以是直接相连，也可以通过中间媒介间接相连，可以是两个元件内部的连通或两个元件的相互作用关系，除非另有明确的限定。对于本领域的普通技术人员而言，可以根据具体情况理解上述术语在本申请中的具体含义。
在本申请中，除非另有明确的规定和限定，第一特征在第二特征“上”或“下”可以是第一和第二特征直接接触，或第一和第二特征通过中间媒介间接接触。而且，第一特征在第二特征“之上”、“上方”和“上面”可是第一特征在第二特征正上方或斜上方，或仅仅表示第一特征水平高度高于第二特征。第一特征在第二特征“之下”、“下方”和“下面”可以是第一特征在第二特征正下方或斜下方，或仅仅表示第一特征水平高度小于第二特征。
在本申请中，术语“一个实施例”、“一些实施例”、“示例”、“具体示例”、或“一些示例”等意指结合该实施例或示例描述的具体特征、结构、材料或者特点包含于本申请的至少一个实施例或示例中。在本说明书中，对上述术语的示意性表述不必须针对的是相同的实施例或示例。而且，描述的具体特征、结构、材料或者特点可以在任一个或多个实施例或示例中以合适的方式结合。此外，在不相互矛盾的情况下，本领域的技术人员可以将本说明书中描述的不同实施例或示例以及不同实施例或示例的特征进行结合和组合。
尽管上面已经示出和描述了本申请的实施例，可以理解的是，上述实施例是示例性的，不能理解为对本申请的限制，本领域的普通技术人员在本申请的范围内可以对上述实施例进行变化、修改、替换和变型。

Claims (10)

  1. 一种绝缘片材缠绕组件，其中，所述绝缘片材缠绕组件用于对绝缘片材进行缠绕，所述绝缘片材缠绕组件包括：
    第一架体，所述第一架体设有导电部，所述导电部接地；
    成型鼓(1)，所述成型鼓(1)转动设在所述第一架体上，所述成型鼓(1)设有导电层，所述导电层与所述导电部抵接；和
    静电发生器(2)，所述静电发生器(2)可移动地设在所述第一架体上以靠近、远离所述成型鼓(1)的所述导电层。
  2. 根据权利要求1所述的绝缘片材缠绕组件，进一步包括升降装置(3)，所述升降装置(3)设在所述第一架体上，所述升降装置(3)上设置所述静电发生器(2)以带动所述静电发生器(2)移动。
  3. 根据权利要求2所述的绝缘片材缠绕组件，进一步包括压合辊(4)，所述压合辊(4)可转动地设在所述升降装置(3)上，所述升降装置(3)带动所述压合辊(4)靠近、远离所述成型鼓(1)，所述压合辊(3)的延伸方向与所述成型鼓(1)的延伸方向平行，所述压合辊(4)在所述成型鼓(1)的旋转方向上位于所述静电发生器(2)的前侧。
  4. 根据权利要求3所述的绝缘片材缠绕组件，其中，所述静电发生器(2)、所述压合辊(4)和所述成型鼓(1)的所述导电层中的每一者的长度大于等于预设值。
  5. 根据权利要求3所述的绝缘片材缠绕组件，其中，所述压合辊(4)为绝缘辊。
  6. 根据权利要求3所述的绝缘片材缠绕组件，其中，所述升降装置(3)包括：
    驱动电机(31)，所述驱动电机(31)设在所述第一架体上；
    丝杠，所述丝杠与所述驱动电机(31)的动力输出轴相连；和
    第一安装架(33)，所述第一安装架(33)可滑动地与所述第一架体连接，所述丝杠上设置所述第一安装架(33)以带动所述第一安装架(33)移动，所述静电发生器(2)和所述压合辊(4)中的每一者设在所述第一安装架(33)上。
  7. 根据权利要求6所述的绝缘片材缠绕组件，其中，所述升降装置(3)进一步包括：
    气缸(34)，所述气缸(34)设在所述第一安装架(33)上；和
    第二安装架(32)，所述第二安装架(32)可滑动地设在所述第一安装架(33)上，所述第二安装架(32)在邻近所述成型鼓(1)的一侧连接所述静电发生器(2)和所述压合辊(4)，所述气缸(34)与所述第二安装架(32)相连以带动所述静电发生器(2)和所述压合辊(4)移动。
  8. 根据权利要求7所述的绝缘片材缠绕组件，其中，所述静电发生器(2)包括静电机和静电棒(21)，所述静电棒(21)与所述静电机连接，所述静电棒(21)设在所述第二安装架(32)的所述一侧，所述静电棒(21)的延伸方向与所述成型鼓(1)的延伸方向平行，所述静电棒(21)的长度大于等于预设值。
  9. 一种轮胎成型机，包括绝缘片材缠绕组件(100)，所述绝缘片材缠绕组件(100)为 权利要求1至8中任一项所述的绝缘片材缠绕组件。
  10. 根据权利要求9所述的轮胎成型机，进一步包括：
    第二架体；和
    供料摆架(200)，所述供料摆架(200)在能够与所述绝缘片材缠绕组件(100)的成型鼓(1)相配合的工作位置和与所述绝缘片材缠绕组件(100)的成型鼓(1)脱离的脱离位置之间可转动地设在所述第二架体上。
PCT/CN2023/133114 2022-11-29 2023-11-22 绝缘片材缠绕组件及轮胎成型机 WO2024114465A1 (zh)

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