WO2022127799A1 - 轮胎成型机用传递环 - Google Patents

轮胎成型机用传递环 Download PDF

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Publication number
WO2022127799A1
WO2022127799A1 PCT/CN2021/138170 CN2021138170W WO2022127799A1 WO 2022127799 A1 WO2022127799 A1 WO 2022127799A1 CN 2021138170 W CN2021138170 W CN 2021138170W WO 2022127799 A1 WO2022127799 A1 WO 2022127799A1
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WO
WIPO (PCT)
Prior art keywords
ring
rotating ring
driving
rod
tire building
Prior art date
Application number
PCT/CN2021/138170
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English (en)
French (fr)
Inventor
秦银锋
Original Assignee
萨驰智能装备股份有限公司
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Application filed by 萨驰智能装备股份有限公司 filed Critical 萨驰智能装备股份有限公司
Publication of WO2022127799A1 publication Critical patent/WO2022127799A1/zh

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    • 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
    • B29D30/24—Drums
    • B29D30/26—Accessories or details, e.g. membranes, transfer rings
    • B29D30/2607—Devices for transferring annular tyre components during the building-up stage, e.g. from the first stage to the second stage building drum

Definitions

  • the present application relates to the technical field of tire building, for example, to a transfer ring for a tire building machine.
  • a tire building machine is a special equipment for tire production that combines semi-finished tire components into tire blanks according to process requirements in the process of tire manufacturing.
  • a tire building machine includes devices such as a tire component conveying device, a tread building unit, a carcass building unit, and a transfer ring.
  • the transfer ring can generally be used to transfer the tread assembly.
  • the inner circumference of the transmission ring is provided with a plurality of clamping devices that can move in the radial direction, and all the clamping devices are abutted on the outer circumference of the tread assembly to realize grasping and positioning of the tread assembly. Since the sizes of the tires formed by the tire building machine are different, the multiple clamping devices in the transfer ring need to be able to adjust their positions in the radial direction, so that all the clamping devices can adapt to the molding of tires of different sizes.
  • the transmission ring includes a frame body 2', a cylinder 1' mounted on the frame body 2', and a rotating ring 4 connected to the cylinder 1' ', a swing rod 6' hinged with the rotating ring 4', and a clamping device 5' hinged with one end of the swing rod 6'.
  • the clamping device 5' is radially arranged along the rotating ring 4', the radially outer end of the clamping device 5' is hinged to the swing rod 6', and the inner side of the clamping device 5' is the clamping portion.
  • the extension end 3' of the cylinder 1' is directly connected to the rotating ring 4', and the relative rotation between the frame body 2' and the rotating ring 4' is realized through the extension and contraction of the extension end 3'.
  • the rotation of the rotating ring 4' drives the swinging rod 6', which in turn drives the clamping device 5' to move radially to grab the tire component.
  • the disadvantage of this transmission ring is that the movement of the clamping device 5' is limited in the radial direction, and the swing range of the pendulum rod 6' is small, resulting in a short radial stroke of the clamping device 5'.
  • the structural design of the ring is difficult to meet the requirements of gripping tires of various sizes within the range of large size specifications.
  • the present application proposes a transfer ring for a tire building machine, which can be used in a tire building machine with a large radial clamping stroke.
  • An embodiment provides a transmission ring for a tire building machine, including: a frame body, including a base and a mounting portion on one side of the base; a drive unit, disposed on the mounting portion, including a drive source, and the a driving rod connected to a driving source, and a moving assembly connected with the driving rod, the moving assembly is provided with a connecting part connected with the driving rod; a transmission unit, arranged on the base, includes a rotating ring and a plurality of A swinging rod, the first end of each swinging rod is pivotally connected to the rotating ring, the moving assembly is pivotally connected to the rotating ring, and the moving assembly can move linearly and drive the rotating ring to rotate ; and, and a grasping unit, comprising a plurality of clamping members arranged at intervals along the circumferential direction and a plurality of connecting rods connecting a plurality of the clamping members in series, the second end of each of the swing rods is pivotally connected to the the holder.
  • An embodiment provides a transmission ring for a tire building machine, comprising: a frame body; a driving unit, mounted on the frame body, comprising a driving source, a first driving rod connected to the driving source, and a first driving rod connected to the first driving source.
  • FIG. 1 is a schematic structural diagram of a transfer ring provided by the related art
  • FIG. 2 is a schematic structural diagram of a transfer ring for a tire building machine provided by an embodiment of the present application
  • Fig. 3 is A-A sectional view in Fig. 2;
  • Fig. 4 is B-B in Fig. 2 sectional view
  • FIG. 5 is a schematic structural diagram of the transfer ring provided by an embodiment of the present application after removing the frame body and the rotating ring;
  • FIG. 6 is one of the schematic diagrams of the combined structure of a clamping member, a swing rod and a slide rail provided by an embodiment of the present application;
  • FIG. 7 is the second schematic diagram of the combined structure of a clamping member, a swing rod and a slide rail provided by an embodiment of the present application;
  • FIG. 8 is a schematic diagram of a combined structure of a clamping member and a swing rod provided by an embodiment of the present application;
  • FIG. 9 is a schematic structural diagram of the clamping member in the transmission ring when it is in the first position
  • FIG. 10 is a schematic structural diagram of the clamping member in the transmission ring when it is in the second position
  • Fig. 11 is a schematic structural diagram of the clamping member in the transmission ring in the third position.
  • the transmission ring for a tire building machine includes a frame body 1 , a drive unit mounted on the frame body 1 , a transmission unit connected to the drive unit, and a grab unit connected to the transmission unit. Through the drive of the drive unit and the transmission of the transmission unit, the gripping unit can move radially in a wide range to grip the tire component.
  • each unit of the transmission ring for a tire building machine, and the connection and operation relationship between them will be described in detail.
  • the frame body 1 includes a substantially annular base portion 11 and a mounting portion 12 located on one side of the base portion 11 .
  • the bottom surface of the base portion 11 is slidably connected to a rail (not shown) of the tire building machine, and the mounting portion 12 is located on one side of the base portion 11 .
  • the driving unit is disposed on the mounting portion 12 of the frame body 1 , and the driving unit includes a driving source 7 , a first driving rod 71 connected to the driving source 7 , and a first driving rod 71 connected to the driving source 7 .
  • a second driving rod 72 parallel to the driving rod 71, a timing belt 73 connecting the first driving rod 71 and the second driving rod 72, and two moving assemblies correspondingly connected to the first driving rod 71 and the second driving rod 72 respectively 5.
  • the driving unit further includes two guide rails 6 , which are respectively located on the side of the first driving rod 71 and the side of the second driving rod 72 .
  • the two moving assemblies 5 are also slidably connected with the two guide rails 6 respectively.
  • the driving source 7 is a servo motor.
  • the driving source 7 , the first driving rod 71 , the second driving rod 72 , and the two guide rails 6 are placed vertically.
  • the two guide rails 6 can be fixedly mounted on the mounting portion 12 of the frame body 1 .
  • the first driving rod 71 is directly connected to the output end of the driving source 7 and is rotated under the driving of the driving source 7 .
  • the synchronous belt 73 drives the second driving rod 72 to rotate synchronously.
  • the first driving rod 71 and the second driving rod 72 may be screw rods, and the threading direction of the first driving rod 71 is opposite to that of the second driving rod 72 .
  • the first driving rod 71 and the second driving rod 72 drive the two moving components 5 to move in opposite directions. Since the first driving rod 71 and the second driving rod 72 are placed vertically, the two moving assemblies 5 move upward and downward respectively under the driving of the first driving rod 71 and the second driving rod 72 .
  • the moving assembly 5 includes a main body 51 , a column 52 disposed in the main body 51 and movable relative to the main body 51 , a connecting portion 53 and a sliding portion 54 disposed on one side of the main body 51 .
  • one end of the column body 52 is pivotally connected to the transfer unit.
  • the connecting portion 53 is a nut, and is threadedly connected with the first driving rod 71 or the second driving rod 72. The rotation of the first driving rod 71 and the second driving rod 72 drives the connecting portion 53 to move along a straight line (in this embodiment, it is in the up-down direction). ) to move, thereby driving the movement of the moving assembly 5 as a whole in the up and down direction.
  • the sliding portion 54 is slidably connected to the guide rail 6 .
  • the cooperation between the sliding part 54 and the guide rail 6 makes the movement of the moving assembly 5 in the up-down direction more stable.
  • the combination of the body 51 and the column body 53 of the moving assembly 5 may be referred to as a guide column guide sleeve structure or a guide column sliding sleeve structure.
  • the transmission unit includes two rotating rings 2 , a plurality of swing rods 4 pivotally connected with each rotating ring 2 , and a plurality of sliding bars arranged to guide and support each rotating ring 2 .
  • Each swing rod 4 is provided with a through hole 43 to reduce the weight of the swing rod 4 .
  • a plurality of slide rails 9 can be fixedly mounted on the base 11 of the frame body 1 .
  • two rotating rings 2 are disposed on both sides of the base 11 of the frame body 1 at intervals, and each rotating ring 2 can rotate relative to the frame body 1 .
  • An edge position of each rotating ring 2 close to the drive unit is pivotally connected to one of the moving assemblies 5 . Since the moving directions of the two moving assemblies 5 are opposite, the rotating directions of the two rotating rings 2 driven by the moving assemblies 5 are also opposite, that is, one rotates clockwise and the other rotates counterclockwise.
  • the two rotating rings 2 include a first rotating ring 21 and a second rotating ring 22 .
  • each swing rod 4 includes a plurality of first swing rods 41 and a plurality of second swing rods 42 .
  • One end of the plurality of first swing rods 41 is pivotally connected to the first rotating ring 21 along the circumferential direction
  • one end of the plurality of second swing rods 42 is pivotally connected to the second rotating ring 22 along the circumferential direction.
  • the inclination directions of the plurality of first swing rods 41 and the inclination directions of the plurality of second swing rods 42 form a non-zero preset angle. Since the rotation directions of the first rotating ring 21 and the second rotating ring 22 are opposite, the inclination directions of the plurality of first swing rods 41 and the inclination directions of the plurality of second swing rods 42 form a non-zero preset angle.
  • the swing directions of the plurality of first swing rods 41 and the swing directions of the plurality of second swing rods 42 form a non-zero preset angle, so that The plurality of first swing rods 41 and the plurality of second swing rods 42 can drive the grab unit to move radially in the same radial movement direction (radially inward or radially outward). Due to the common driving of the plurality of first swing rods 41 and the plurality of second swing rods 42 , the radial movement of the grabbing unit is more stable, so that the tire components can be well clamped.
  • a plurality of fixing blocks 23 are disposed on the inner side of each rotating ring 2 , and one end of each swinging rod 4 is pivotally connected to the fixing blocks 23 correspondingly. After the rotating ring 2 is rotated, the fixed block 23 swings with one end of the swing rod 4 .
  • a plurality of sliding blocks 24 are arranged on the inner side of each rotating ring 2 .
  • the sliding block 24 can slide along the sliding rail 9 . In this way, the rotating ring 2 is well guided and supported by the slide rail 9 during the rotating process, and the rotating process of the rotating ring 2 is more reliable and stable.
  • the grasping unit includes a plurality of clamping members 3 and a connecting rod 8 connecting the plurality of clamping members 3 together.
  • the plurality of clamps 3 are arranged at intervals in the circumferential direction, and through the connection of the plurality of connecting rods 8, the plurality of clamps 3 are more rounded in the circumferential direction, so as to adapt to the annular tire component and better clamp A ring-shaped tire component.
  • the clamping member 3 includes a substantially arc-shaped base plate 32 , a mounting plate 33 disposed radially outside the base plate 32 , and a plurality of claws 31 disposed radially inside the base plate 32 . Among them, a plurality of claws 31 are arranged to grab and locate tire components.
  • the mounting plate 33 is arranged to connect the swing rod 4 and the connecting rod 8 .
  • each clamping member 3 is pivotally connected to a first swing rod 41 and a second swing rod 42 respectively.
  • the first rocking rod 41 and the second rocking rod 42 can simultaneously drive the clamping member 3 to move radially inward or radially outward.
  • each gripping member 3 is driven by the first swing rod 41 and the second swing rod 42 . Since the first swing rod 41 and the second swing rod 42 are directly connected to the clamping member 3, and the swing angles of the first swing rod 41 and the second swing rod 42 are large, a large clamping stroke can be realized in the transmission ring , to adapt to tire components of different radial dimensions.
  • each clamping member 3 is directly jointly driven by the first swing rod 41 and the second swing rod 42, and the movement of the clamping member 3 is also more stable.
  • each connecting rod 8 is in the shape of a round rod, the first end of each connecting rod 8 is fixedly connected to the mounting plate 32 of one clamping member 3, and the second end of each connecting rod 8 is movably connected to the adjacent on the mounting plate 32 of the holder 3 .
  • each substrate 32 is provided with a fixed connection portion 81 and a movable connection portion 82 .
  • the first end of each connecting rod 8 is connected to the fixed connecting part 81
  • the second end of each connecting rod 8 is connected to the movable connecting part 82 .
  • the fixed connecting portion 81 has a threaded inner hole (not shown), and the movable connecting portion 82 has a through hole.
  • the first end of the connecting rod 8 is provided with a thread, so that the connecting rod 8 can be fixedly connected to the fixed connecting portion 81, and the second end of the connecting rod 8 can pass through the through hole.
  • the first end of the connecting rod 8 is fixedly connected with a clamping member 3, and the second end of the connecting rod 8 can pass through the through hole on the adjacent clamping member 3. In this way, one connecting rod 8 can connect the two clamps. Holders 3 are connected together. There are many ways of fixing the connection between the end of the connecting rod 8 and the clamping member 3 , which will not be repeated here.
  • the connecting rod 8 can not only connect the plurality of clamping members 3 in series in the circumferential direction, but also ensure that when the plurality of clamping members 3 move in the radial direction, the movement between each other in the circumferential direction is smooth, and the mutual connection is also Stable and reliable.
  • the driving unit of the transmission ring for a tire building machine provided by the present application can accurately control the rotational angular speed and rotation angle of the rotating ring 2 of the transmission unit, so that the swinging of the swing rod 4 under the driving of the rotating ring 2 is also stable and accurate, so that the connection in the The position of the radial movement of the clamping member 3 on the swing rod 4 is more precise, so that the clamping member 3 more closely clamps the tire components (such as the belt layer, the green tire or the outer peripheral wall of the tire).
  • FIG. 9 is a schematic view of the structure of the transmission ring when the clamping member 3 is in the first position.
  • the driving source 7 drives the first driving rod 71 to rotate, so that a moving component 5 moves linearly upward along the first driving rod 71 , drive one rotating ring 2 to rotate clockwise relative to the frame body 1, at the same time, the other moving assembly 5 moves straight down under the driving of the second driving rod 72, and drives the other rotating ring 2 to reverse relative to the frame body 1.
  • the hour hand turns.
  • the moving assembly 5 on the first driving rod 71 moves to the top end
  • the moving assembly 5 on the other side moves to the bottom end, and all the swinging rods 4 basically swing to the radial position along the rotating ring 2.
  • the clamp The holder 3 is at the position closest to the center of the rotating ring 2, and the diameter Ls of the annular structure enclosed by all the holding pieces 3 is the smallest tire size that the transmission ring can hold and transmit.
  • FIG. 10 is a schematic view of the structure of the transmission ring when the clamping member 3 is in the second position.
  • the driving source 7 drives the first driving rod 71 to rotate in the opposite direction, and the moving assembly 5 goes straight down along the first driving rod 71 The movement drives a rotating ring 2 to rotate counterclockwise relative to the frame body 1 .
  • the other moving assembly 5 moves linearly upwards under the driving of the second driving rod 72, which drives the other rotating ring 2 to rotate clockwise relative to the frame body 1, and the two swinging rings connected to the same clamping member 3
  • the clamping pieces 3 gradually move away from the center of the rotating ring 2 , and the diameter Lz of the annular structure enclosed by all the clamping pieces 3 gradually increases.
  • Fig. 11 is a schematic structural diagram of the transmission ring when the clamping member 3 is in the third position.
  • the moving assembly 5 continues to move downward under the driving of the first driving rod 71, which drives a rotating ring 2 relative to the frame
  • the body 1 continues to rotate counterclockwise until the moving assembly 5 substantially abuts against the bottom of the first driving rod 71 .
  • the other moving assembly 5 moves linearly upwards under the driving of the second driving rod 72, which drives the other rotating ring 2 to rotate clockwise relative to the frame body 1, and the two swinging rings connected to the same clamping member 3
  • the included angle between the rods 4 reaches the maximum, and the clamping members 3 are almost retracted into the interior of the rotating ring 2.
  • the diameter Lx of the annular structure enclosed by all the clamping members 3 is the amount that the transmission ring can clamp and transmit. maximum tire size.
  • the drive unit of the transmission ring for a tire building machine provided by the present application can drive the rotating ring 2 to rotate stably, and then drive the swinging rod 4 to swing smoothly, so that the ring structure enclosed by all the clamping members 3 is formed.
  • the diameter of the tire is exactly the same as the diameter of the tread structure to be transferred, so that the tire component is effectively clamped.
  • both ends of the first swing rod 41 and the second swing rod 42 are pivotally connected to the rotating ring 2 and the clamping member 3, respectively, the first swing rod 41 and the second swing rod 42 are in the position of the rotating ring 2.
  • each clamping member 3 is directly jointly driven by the first swing rod 41 and the second swing rod 42, the movement of the clamping member 3 is also more stable, and the force exerted by the clamping member 3 on the tire component is also more stable.

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

Abstract

一种轮胎成型机用传递环，包括架体、驱动单元、传递单元和抓取单元，驱动单元包括驱动源、驱动杆以及移动组件；传递单元包括转动环及多个摆动杆，每个摆动杆的第一端枢转连接于转动环，移动组件枢转连接于转动环；抓取单元包括多个夹持件及将多个夹持件串联的多个连接杆，每个摆动杆的第二端枢转连接于夹持件。

Description

轮胎成型机用传递环
本申请要求申请日为2020年12月17日、申请号为2020115013777的中国专利申请的优先权，该申请的全部内容通过引用结合在本申请中。
技术领域
本申请涉及轮胎成型技术领域，例如涉及一种轮胎成型机用传递环。
背景技术
轮胎成型机是轮胎制造生产过程中，将半成品的轮胎部件，按工艺要求组合成型轮胎胎胚的一种轮胎生产专用设备。轮胎成型机包括轮胎部件输送装置、胎面成型单元、胎体成型单元和传递环等装置。其中，传递环一般可以用来传递胎面组件。传递环的内周上设置有多个能沿径向移动的夹持装置，全部夹持装置抵接在胎面组件外周上，实现对胎面组件的抓取和定位。由于轮胎成型机所成型轮胎的尺寸规格会有不同，因此，传递环内多个夹持装置需要在径向方向上能够调整位置，以令所有夹持装置能够适应成型不同尺寸规格的轮胎。
为了调整夹持装置在传递环内的径向位置，如图1所示，该传递环包括架体2′、安装在架体2′上的气缸1′、与气缸1′连接的转动环4′、与转动环4′铰接的摆杆6′以及与摆杆6′一端铰接的夹持装置5′。夹持装置5′沿转动环4′径向布置，夹持装置5′的径向外端铰接至摆杆6′，夹持装置5′的内侧为夹持部。气缸1′的伸出端3′直接连接在转动环4′上，通过伸出端3′的伸缩实现架体2′与转动环4′之间的相对转动。转动环4′的转动带动摆杆6′的摆动，进而带动夹持装置5′径向移动以抓取轮胎部件。然而该传递环的缺陷是：由于夹持装置5′的移动被限定在径向方向上，且摆杆6′的摆动范围小，导致夹持装置5′的径向行程短，如此，该传递环的结构设计难以满足抓取大尺寸规格范围内的各种不同尺寸的轮胎的要求。
相关技术中的另一种传递环为了能更准确地控制每个夹持装置的位置而在架体上沿周向设置多个气缸，每个气缸的伸出端直接连接一个夹持装置。该结构的缺陷是：当需要适应不同尺寸规格的轮胎时，需要人工调整夹持装置的径向位置，如此导致调整过程繁杂，费时费力。
发明内容
本申请提出了一种轮胎成型机用传递环，能够用于大的径向夹持行程的轮 胎成型机。
一实施例提供了一种轮胎成型机用传递环，包括：架体，包括基部及位于所述基部一侧的安装部；驱动单元，设置于所述安装部上，包括驱动源、与所述驱动源连接的驱动杆、以及与所述驱动杆连接的移动组件，所述移动组件设有与所述驱动杆连接的连接部；传递单元，设置于所述基部上，包括转动环及多个摆动杆，每个所述摆动杆的第一端枢转连接于所述转动环，所述移动组件枢转连接于所述转动环，所述移动组件的可直线移动并驱动所述转动环转动；以及，以及抓取单元，包括沿圆周方向间隔排列的多个夹持件及将多个所述夹持件串联的多个连接杆，每个所述摆动杆的第二端枢转连接于所述夹持件。
一实施例提供了一种轮胎成型机用传递环，包括：架体；驱动单元，安装于所述架体，包括驱动源、与所述驱动源连接的第一驱动杆、与所述第一驱动杆平行设置的第二驱动杆、连接所述第一驱动杆和所述第二驱动杆的同步带、以及分别与所述第一驱动杆和所述第二驱动杆连接的两个移动组件；传递单元，安装于所述架体，包括间隔设置于所述架体两侧的第一转动环和第二转动环、一端枢转连接于所述第一转动环的多个第一摆动杆、以及一端枢转连接于所述第二转动环的多个第二摆动杆，两个所述移动组件分别枢转连接所述第一转动环和所述第二转动环；以及，抓取单元，包括沿圆周方向间隔排列的多个夹持件及将多个所述夹持件串联的多个连接杆，每个所述夹持件分别枢转一个所述第一摆动杆和一个所述第二摆动杆。
附图说明
图1是相关技术提供的传递环的结构示意图；
图2是本申请一实施方式提供的轮胎成型机用传递环的结构示意图；
图3是图2中A-A向剖视图；
图4是图2中B-B向剖视图；
图5是本申请一实施方式提供的传递环去除架体和转动环后的结构示意图；
图6是本申请一实施方式提供的夹持件、摆动杆和滑轨的组合结构示意图之一；
图7是本申请一实施方式提供的夹持件、摆动杆和滑轨的组合结构示意图之二；
图8是本申请一实施方式提供的夹持件和摆动杆的组合结构示意图；
图9为传递环中夹持件处于第一位置时的结构示意图；
图10为传递环中夹持件处于第二位置时的结构示意图；
图11为传递环中夹持件处于第三位置时的结构示意图。
图中：
1、架体；11、基部；12、安装部；2、转动环；21、第一转动环；22、第二转动环；23、固定块；24、滑块；3、夹持件；31、爪钉；32、基板；33、安装板；4、摆动杆；41、第一摆动杆；42、第二摆动杆；43、通孔；5、移动组件；51、本体；52、柱体；53、连接部；54、滑动部；6、导轨；7、驱动源；71、第一驱动杆；72、第二驱动杆；73、同步带；8、连接杆；81、固定连接部；82、可动连接部；9、滑轨；
1′、气缸；2′、架体；3′、伸出端；4′、转动环；5′、夹持装置；6′、摆杆。
具体实施方式
本实施方式公开一种轮胎成型机用传递环，该传递环的架体的下端滑动连接在轮胎成型机的轨道上，在外部驱动装置的驱动下，架体能在成型鼓与带束鼓之间往复移动以传递轮胎部件(如胎面组件)。如图2至图4所示，轮胎成型机用传递环包括架体1、安装于架体1上的驱动单元、与驱动单元连接的传递单元、以及与传递单元连接的抓取单元。通过驱动单元的驱动及传递单元的传递，抓取单元能够在大的范围内径向移动以抓取轮胎部件。以下针对轮胎成型机用传递环的每个单元及相互之间的连接、动作关系进行详细说明。
如图2至图4、图9至图11所示，架体1包括大致呈环形的基部11及位于基部11一侧的安装部12。基部11的底面与轮胎成型机的轨道(未图示)滑动连接，安装部12位于基部11的一侧。
如图2至图4、图9至图11所示，驱动单元设置在架体1的安装部12上，驱动单元包括驱动源7、与驱动源7连接的第一驱动杆71、与第一驱动杆71平行设置的第二驱动杆72、连接第一驱动杆71和第二驱动杆72的同步带73、以及分别与第一驱动杆71、第二驱动杆72对应连接的两个移动组件5。驱动单元还包括两个导轨6，两个导轨6分别位于第一驱动杆71一侧的和第二驱动杆72一侧。两个移动组件5还分别与两个导轨6滑动连接。其中，在一实施例中，驱动源7为伺服电机。驱动源7、第一驱动杆71、第二驱动杆72、两个导轨6竖直放置。两个导轨6 可以固定安装于架体1的安装部12上。
在一实施例中，第一驱动杆71直接连接至驱动源7的输出端，并且在驱动源7的驱动下旋转。在第一驱动杆71旋转的同时，同步带73带动第二驱动杆72同步旋转。第一驱动杆71和第二驱动杆72可以为丝杆，且第一驱动杆71的螺纹方向与第二驱动杆72的螺纹方向相反。如此，第一驱动杆71及第二驱动杆72带动两个移动组件5沿相反的方向移动。由于第一驱动杆71及第二驱动杆72竖直放置，因此，在第一驱动杆71及第二驱动杆72的驱动下，两个移动组件5分别向上、向下移动。
在一实施例中，移动组件5包括本体51、设置于本体51内且可相对本体51移动的柱体52、设置于本体51一侧的连接部53及滑动部54。在一实施例中，柱体52的一端枢转连接至传递单元上。连接部53为丝母，与第一驱动杆71或第二驱动杆72螺纹连接，第一驱动杆71及第二驱动杆72的转动带动连接部53沿直线(本实施方式中为沿上下方向)移动，进而带动移动组件5整体在上下方向上的移动。另外，滑动部54与导轨6滑动连接。滑动部54与导轨6之间的配合，使得移动组件5在上下方向上的移动更加稳定。移动组件5的本体51与柱体53的组合体可以称为导柱导套结构或者导柱滑动套结构。
如图2至图8所示，传递单元包括两个转动环2、与每个转动环2枢转连接的多个摆动杆4、以及设置为导引及支撑每个转动环2的多个滑轨9。每个摆动杆4上设有通孔43以减轻摆动杆4的重量。多个滑轨9可以固定安装于架体1的基部11上。
在一实施例中，两个转动环2间隔设置在架体1的基部11的两侧，每个转动环2可相对于架体1转动。每个转动环2上靠近驱动单元的边缘位置与其中一个移动组件5枢转连接。由于两个移动组件5的运动方向相反，因此，两个转动环2在移动组件5驱动下的转动方向也相反，即一个顺时针旋转，另一逆时针旋转。两个转动环2包括第一转动环21和第二转动环22。
在一实施例中，每个摆动杆4包括多个第一摆动杆41及多个第二摆动杆42。多个第一摆动杆41的一端沿圆周方向枢转连接于第一转动环21，多个第二摆动杆42的一端沿圆周方向枢转连接于第二转动环22。
多个第一摆动杆41的倾斜方向与多个第二摆动杆42的倾斜方向呈非零预设夹角。由于第一转动环21及第二转动环22的转动方向相反，多个第一摆动杆41的倾斜方向与多个第二摆动杆42的倾斜方向呈非零预设夹角，因此，当第一转 动环21及第二转动环22在驱动单元的驱动下同时转动时，多个第一摆动杆41的摆动方向与多个第二摆动杆42的摆动方向呈非零预设夹角，这样多个第一摆动杆41与多个第二摆动杆42可以在同一径向移动方向(径向向内或径向向外)驱动抓取单元径向移动。由于多个第一摆动杆41及多个第二摆动杆42的共同驱动，抓取单元的径向移动更加平稳，这样，轮胎部件能够得到良好的夹持。
在一实施例中，每个转动环2的内侧面上设置多个固定块23，每个摆动杆4的一端对应枢转连接于固定块23。转动环2转动后，固定块23带着摆动杆4的一端摆动。
在一实施例中，每个转动环2的内侧面上设置多个滑块24。当转动环2转动时，滑块24可以沿着滑轨9滑动。这样，转动环2在转动过程中得到了滑轨9良好的导向及支撑，转动环2的转动过程更加可靠、稳定。
如图2至图8所示，抓取单元包括多个夹持件3和将多个夹持件3连接在一起的连接杆8。多个夹持件3在圆周方向上间隔排列，通过多个连接杆8的连接，多个夹持件3在圆周方向上更加圆整，以适应圆环状的轮胎部件，更好的夹持圆环状的轮胎部件。
在一实施例中，夹持件3包括大致成弧形状的基板32及设置于基板32径向外侧的安装板33及位于基板32径向内侧的多个爪钉31。其中，多个爪钉31设置为抓取定位轮胎部件。安装板33设置为连接摆动杆4及连接杆8。
在一实施例中，每个夹持件3的安装板32分别枢转连接一个第一摆动杆41和一个第二摆动杆42。第一摆动杆41及第二摆动杆42可以同时带动夹持件3径向向内或径向向外移动。当多个夹持件3径向向内移动夹持轮胎部件时，每个夹持件3受到第一摆动杆41和第二摆动杆42的驱动。由于第一摆动杆41及第二摆动杆42直接连接于夹持件3，且第一摆动杆41及第二摆动杆42的摆动角度大，因此，可以在传递环内实现大的夹持行程，适应不同径向尺寸的轮胎部件。同时每个夹持件3直接由第一摆动杆41及第二摆动杆42共同驱动，夹持件3的移动也更加稳定。
另外，每个连接杆8呈圆杆状，每个连接杆8的第一端固定连接至一个夹持件3的安装板32，每个连接杆8的第二端可活动的连接至相邻夹持件3的安装板32上。在一实施例中，每个基板32上设有固定连接部81及可动连接部82。每个连接杆8的第一端连接至固定连接部81，每个连接杆8的第二端连接至可活动连接部82。在一种可实施的方式中，固定连接部81上具有螺纹内孔(未标示)，可动 连接部82上设有一通孔。连接杆8的第一端设有螺纹，如此连接杆8可以固定连接至固定连接部81上，连接杆8的第二则可穿过通孔。
连接杆8的第一端与一个夹持件3固定连接，连接杆8的第二端则可穿过相邻夹持件3上的通孔，如此，一个连接杆8即可将两个夹持件3连接在一起。连接杆8的端部与夹持件3的固定连接方式很多，在此不再一一赘述。连接杆8既能够将多个夹持件3在圆周方向上串联起来，又能够保证多个夹持件3在径向移动时，在圆周方向上相互之间的移动是顺利的，相互连接也是稳定可靠。本申请提供的轮胎成型机用传递环的驱动单元可准确控制传递单元的转动环2的旋转角速度及旋转角度，这样摆动杆4在转动环2的带动下的摆动也稳定精准，从而使连接在摆动杆4上的夹持件3的径向移动的位置更精准，使得夹持件3更贴合的夹持轮胎部件(如带束层、生胎或轮胎的外周壁)。
以下针对本申请的轮胎成型机用传递环的工作原理进行具体说明。
图9为传递环中夹持件3处于第一位置时的结构示意图，如图9所示，驱动源7驱动第一驱动杆71旋转，使得一个移动组件5沿第一驱动杆71直线向上移动，带动一个转动环2相对于架体1顺时针转动，与此同时，另一移动组件5在第二驱动杆72的驱动下直线向下移动，带动另一个转动环2相对于架体1逆时针转动。当第一驱动杆71上的移动组件5移动到最顶端，此时另一侧的移动组件5移动到最底端，全部摆动杆4基本摆动至沿转动环2的径向位置，此时夹持件3处于最靠近转动环2中心的位置处，全部夹持件3所围成的环状结构的直径Ls是该传递环所能夹持和传递的最小轮胎尺寸。
图10为传递环中夹持件3处于第二位置时的结构示意图，如图10所示，驱动源7带动第一驱动杆71反向旋转，移动组件5沿第一驱动杆71直线向下移动，带动一个转动环2相对于架体1逆时针转动。与此同时，另一移动组件5在第二驱动杆72的驱动下直线向上移动，带动另一个转动环2相对于架体1顺时针转动，连接在同一个夹持件3上的两根摆动杆4之间的夹角越来越大，夹持件3逐渐远离转动环2中心，全部夹持件3所围成的环状结构的直径Lz逐渐变大。
图11为传递环中夹持件3处于第三位置时的结构示意图，如图11所示，移动组件5在第一驱动杆71的带动下继续向下移动，带动一个转动环2相对于架体1继续逆时针转动，直至移动组件5基本抵靠第一驱动杆71的底部。与此同时，另一移动组件5在第二驱动杆72的驱动下直线向上移动，带动另一个转动环2相对于架体1顺时针转动，连接在同一个夹持件3上的两根摆动杆4之间的夹角达到最大， 夹持件3几乎缩入转动环2的内部，此时全部夹持件3所围成的环状结构的直径Lx是该传递环所能夹持和传递的最大轮胎尺寸。
综上所述，本申请提供的轮胎成型机用传递环的驱动单元可以驱动转动环2稳定的旋转，进而带动摆动杆4的平稳摆动，从而使全部夹持件3所围成的环状结构的直径与待传递胎面结构的直径精准一致，从而对轮胎部件进行有效夹持。另一方面，由于第一摆动杆41及第二摆动杆42的两端分别枢转连接于转动环2及夹持件3，因此第一摆动杆41及第二摆动杆42在转动环2的驱动下的摆动角度大，因此，可以在传递环内实现大的夹持行程，适应不同径向尺寸的轮胎部件。另一方面，每个夹持件3直接由第一摆动杆41及第二摆动杆42共同驱动，夹持件3的移动也更加稳定，夹持件3施加给轮胎部件的力也更加稳定。

Claims (14)

  1. 一种轮胎成型机用传递环，包括：
    架体(1)，包括基部(11)及位于所述基部(11)一侧的安装部(12)；
    驱动单元，设置于所述安装部(12)上，包括驱动源(7)、与所述驱动源(7)连接的驱动杆、以及与所述驱动杆连接的移动组件(5)，所述移动组件(5)设有与所述驱动杆连接的连接部(53)；
    传递单元，设置于所述基部(11)上，所述传递单元包括转动环(2)及多个摆动杆(4)，每个所述摆动杆(4)的第一端枢转连接于所述转动环(2)，所述移动组件(5)枢转连接于所述转动环(2)，所述移动组件(5)可直线移动并驱动所述转动环(2)转动；以及，
    抓取单元，包括沿圆周方向间隔排列的多个夹持件(3)及将多个所述夹持件(3)串联的多个连接杆(8)，每个所述摆动杆(4)的第二端枢转连接于所述夹持件(3)。
  2. 根据权利要求1所述的轮胎成型机用传递环，其中：所述驱动源(7)为伺服电机，所述驱动杆为丝杆。
  3. 根据权利要求1所述的轮胎成型机用传递环，其中：所述驱动单元还包括位于所述驱动杆一侧的导轨(6)，所述移动组件(5)包括与所述导轨(6)滑动连接的滑动部(54)。
  4. 根据权利要求3所述的轮胎成型机用传递环，其中：所述移动组件(5)包括本体(51)及设置于所述本体(51)内且可相对所述本体(51)移动的柱体(52)，所述柱体(52)的一端枢转连接于所述转动环(2)，所述连接部(53)及所述滑动部(54)设置在所述本体(51)上。
  5. 根据权利要求1所述的轮胎成型机用传递环，其中：每个所述连接杆(8)的第一端固定连接于一个所述夹持件(3)，每个所述连接杆(8)的第二端可活动连接至相邻所述夹持件(3)。
  6. 根据权利要求1所述的轮胎成型机用传递环，其中：所述传递单元还包括设置为导引及支撑所述转动环(2)的多个滑轨(9)，所述转动环(2)的内侧面上设置多个滑块(24)，所述滑块(24)设置为当所述转动环(2)转动时，沿所述滑轨(9)滑动。
  7. 一种轮胎成型机用传递环，包括：
    架体(1)；
    驱动单元，安装于所述架体(1)，包括驱动源(7)、与所述驱动源(7)连 接的第一驱动杆(71)、与所述第一驱动杆(71)平行设置的第二驱动杆(72)、连接所述第一驱动杆(71)和所述第二驱动杆(72)的同步带(73)、以及分别与所述第一驱动杆(71)和所述第二驱动杆(72)对应连接的两个移动组件(5)；
    传递单元，安装于所述架体，包括间隔设置于所述架体(1)两侧的第一转动环(21)和第二转动环(22)、一端枢转连接于所述第一转动环(21)的多个第一摆动杆(41)、以及一端枢转连接于所述第二转动环(22)的多个第二摆动杆(42)，其中一个所述移动组件(5)枢转连接所述第一转动环(21)，另一所述移动组件(5)枢转连接所述第二转动环(22)；以及
    抓取单元，包括沿圆周方向间隔排列的多个夹持件(3)及将多个所述夹持件(3)串联的多个连接杆(8)，每个所述夹持件(3)分别枢转一个所述第一摆动杆(41)和一个所述第二摆动杆(42)。
  8. 根据权利要求7所述的轮胎成型机用传递环，其中：所述驱动源(7)为伺服电机，所述第一驱动杆(71)及所述第二驱动杆(72)为丝杆。
  9. 根据权利要求7所述的轮胎成型机用传递环，其中：所述驱动单元还包括两个导轨(6)，所述两个导轨(6)分别位于所述第一驱动杆(71)的一侧及所述第二驱动杆(72)一侧，每一所述移动组件(5)分别与其中一个所述导轨(6)滑动连接。
  10. 根据权利要求7所述的轮胎成型机用传递环，其中：所述移动组件(5)包括本体(51)及可相对所述主体(51)向外延伸的柱体(52)，所述柱体(52)的一端枢转连接于所述第一转动环(21)或所述第二转动环(22)。
  11. 根据权利要求7所述的轮胎成型机用传递环，其中：每个所述连接杆(8)的第一端固定连接于一个所述夹持件(3)，每个所述连接杆(8)的第二端可活动连接至相邻所述夹持件(3)。
  12. 根据权利要求7所述的轮胎成型机用传递环，其中：所述架体(1)包括基部(11)及位于所述基部(11)一侧的安装部(12)，所述驱动单元安装于所述安装部(12)上，所述传递单元安装于所述基部(11)上。
  13. 根据权利要求7所述的轮胎成型机用传递环，其中：所述传递单元还包括设置为导引及支撑每个所述第一转动环(21)和所述第二转动环(22)的多个滑轨(9)，每个所述第一转动环(21)的内侧面上和每个所述第二转动环(22)的内侧面上分别设置多个滑块(24)，所述滑块(24)设置为当所述第一转动环(21)和所述第二转动环(22)中的至少一个转动时，沿所述滑轨(9)滑动。
  14. 根据权利要求11所述的轮胎成型机用传递环，其中：所述夹持件(3)包括基板(32)、设置于所述基板(32)径向内侧的多个爪钉(31)及设置于所述基板(32)径向外侧的安装板(33)，所述基板(32)上设有与所述连接杆(8)第一端固定连接的固定连接部(81)及与所述连接杆(8)第二端可活动连接的可动连接部(82)。
PCT/CN2021/138170 2020-12-17 2021-12-15 轮胎成型机用传递环 WO2022127799A1 (zh)

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NL2029073B1 (en) * 2021-08-27 2023-03-15 Vmi Holland Bv Gripper, gripper station and method for gripping an annular tire component
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