WO2014146324A1 - 一种单轴开合模与底模定位联动机构 - Google Patents

一种单轴开合模与底模定位联动机构 Download PDF

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Publication number
WO2014146324A1
WO2014146324A1 PCT/CN2013/074917 CN2013074917W WO2014146324A1 WO 2014146324 A1 WO2014146324 A1 WO 2014146324A1 CN 2013074917 W CN2013074917 W CN 2013074917W WO 2014146324 A1 WO2014146324 A1 WO 2014146324A1
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WO
WIPO (PCT)
Prior art keywords
frame
mold
opening
linkage mechanism
die
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2013/074917
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English (en)
French (fr)
Inventor
董海龙
褚兴安
杨新良
何德平
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangsu Newamstar Packagin Machinery Co Ltd
Original Assignee
Jiangsu Newamstar Packagin Machinery Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Jiangsu Newamstar Packagin Machinery Co Ltd filed Critical Jiangsu Newamstar Packagin Machinery Co Ltd
Priority to EP17205968.5A priority Critical patent/EP3323587B1/en
Priority to EP13878760.1A priority patent/EP2977176B1/en
Publication of WO2014146324A1 publication Critical patent/WO2014146324A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C49/00Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/42Component parts, details or accessories; Auxiliary operations
    • B29C49/56Opening, closing or clamping means
    • B29C49/5601Mechanically operated, i.e. closing or opening of the mould parts is done by mechanic means
    • B29C49/5602Mechanically operated, i.e. closing or opening of the mould parts is done by mechanic means using cams
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C33/00Moulds or cores; Details thereof or accessories therefor
    • B29C33/20Opening, closing or clamping
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C49/00Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/42Component parts, details or accessories; Auxiliary operations
    • B29C49/48Moulds
    • B29C2049/4879Moulds characterised by mould configurations
    • B29C2049/4892Mould halves consisting of an independent main and bottom part
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C49/00Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/42Component parts, details or accessories; Auxiliary operations
    • B29C49/56Opening, closing or clamping means
    • B29C2049/566Locking means
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C49/00Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/42Component parts, details or accessories; Auxiliary operations
    • B29C49/56Opening, closing or clamping means
    • B29C2049/566Locking means
    • B29C2049/5661Mechanical
    • B29C2049/5664Translating locking pin
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C33/00Moulds or cores; Details thereof or accessories therefor
    • B29C33/20Opening, closing or clamping
    • B29C33/26Opening, closing or clamping by pivotal movement
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C49/00Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/28Blow-moulding apparatus
    • B29C49/30Blow-moulding apparatus having movable moulds or mould parts
    • B29C49/36Blow-moulding apparatus having movable moulds or mould parts rotatable about one axis
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C49/00Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/42Component parts, details or accessories; Auxiliary operations
    • B29C49/56Opening, closing or clamping means
    • B29C49/5608Asymmetric movement of mould parts, e.g. by moving only one mould part
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C49/00Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/42Component parts, details or accessories; Auxiliary operations
    • B29C49/56Opening, closing or clamping means
    • B29C49/5613Opening, closing or clamping means characterised by connected mould part movement, e.g. bottom part movement is linked to mould half movement

Definitions

  • the invention relates to the field of beverage bottle processing equipment, in particular to a bottle blowing machine.
  • the blow molding machine includes an opening and closing mechanism, a bottom mold positioning mechanism, a traditional opening and closing mold mechanism, a frame, a fixed template and a movable template mounted on the frame, and a lock at the joint of the fixed template and the movable template.
  • the mold mechanism, the moving template is L-shaped by the opening and closing die cylinder, the opening and closing die cylinder drives the rack, the rack moves the template gear, the movable template gear is mounted on the pinion, the pinion is connected to the moving template, and the pinion is mounted on the bracket. on.
  • the traditional bottom mold positioning mechanism such as the bottom mold locking device of the linear blow molding machine disclosed in the publication No. CN201755911U, includes a mold mounting plate, a bottle mold cavity, a bottom mold, a power mechanism, a positioning mechanism and a support.
  • the bottom end of the bottle mold cavity is sleeved with the bottom mold, the bottom mold is connected with the power mechanism, and the positioning mechanism is horizontally disposed on the support.
  • the positioning mechanism includes the positioning block cylinder and the positioning block, the positioning block and the positioning block cylinder are connected, and the power mechanism
  • the bottom mold mounting plate and the bottom mold lifting cylinder are included, the bottom mold mounting board surface is connected with the bottom mold, the lower surface is connected with the bottom mold lifting cylinder, and the bottom mold lifting cylinder is fixed on the bracket.
  • the structure of the opening and closing mechanism and the bottom mold positioning mechanism in the prior art is complicated, the equipment is bulky, driven by each, and is unfavorable for operation and expensive.
  • the technical problem to be solved by the present invention is to provide a single-axis opening and closing mold and a bottom mold positioning linkage mechanism.
  • the present invention adopts the following technical solution: a single-axis opening and closing mold and a bottom mold positioning linkage mechanism, the linkage mechanism is installed on a blow molding machine, and the linkage mechanism includes an opening and closing mold having a mold opening state and a mold clamping state.
  • the opening and closing mold assembly includes a bottom mold movable relative to the frame in the up and down direction, a fixed template fixedly disposed on the frame, and a movable template rotatably disposed relative to the frame, in the mold clamping state of the opening and closing mold assembly
  • the movable template is engaged with the fixed template, and the movable template, the fixed template and the bottom mold form a cavity.
  • the bottom mold positioning assembly includes a plurality of sliders slidably disposed on the frame, a plurality of swinging members for swinging the plurality of sliders to be swingably disposed on the frame, and rotatable relative to the frame and rotating
  • the rotating member that drives the swinging member to swing, the movable die plate and the rotating member are fixedly coupled to a rotating shaft, and the rotating shaft is driven by the power source to rotate about an axis of rotation.
  • the rotating template and the rotating member are rotated together, and the rotation of the rotating member is converted into the sliding of the sliding member through the swinging member, so that the clamping can be synchronously realized and the positioning of the bottom mold in the clamping state, and vice versa.
  • the mold is opened and the bottom mold is released when the mold is opened.
  • rotating member and the movable template are respectively provided with perforations for the rotating shaft to pass through the rotating member and the movable template in order from bottom to top.
  • a lower end of the rotating shaft is connected with a driving swing arm, and the power source drives the rotating shaft to rotate by driving the swing arm.
  • the plurality of sliders include a first slider and a second slider on opposite sides of the bottom mold
  • the bottom mold positioning assembly further includes a first rail and a second rail fixedly disposed on the frame, the first slide The block is slidably disposed on the first rail, and the second slider is slidably disposed on the second rail, and the bilateral positioning of the bottom mold is realized by the two sliders.
  • the plurality of oscillating members comprise a first oscillating member and a second oscillating member, wherein the first oscillating member and the second oscillating member are respectively rotatably connected to the frame, and the first oscillating member and the second oscillating member are respectively pulled correspondingly A slider and a second slider slide.
  • the sliding of the two sliders is separately controlled by the swinging of the two swinging members, which is more convenient for the simple design of the control mode.
  • the first oscillating member defines a first sliding slot at a distance from the position where the oscillating member is connected to the frame
  • the second oscillating member opens a second sliding portion at a distance from the position where the oscillating member is connected to the frame.
  • a first protrusion and a second protrusion are respectively formed on the upper surfaces of the first slider and the second slider, the first protrusion is slidably inserted in the first sliding slot, and the second protrusion is slidably Inserted in the second chute.
  • the positions of the opening chutes of the two oscillating members form a shift fork configuration by which the oscillating member controls the sliding of the slider.
  • the outer edge surface of the rotating member has a first guiding surface and a second guiding surface
  • the first swinging member forms a first protrusion protruding toward the rotating member
  • the second swinging member forms a first protruding toward the rotating member a second protrusion
  • the first guiding surface is in sliding contact with the first protrusion when the rotating member rotates relative to the frame
  • the second guiding surface is in sliding contact with the second protrusion
  • the first guiding surface and the first protrusion are The position of the block contact and the distance between the position at which the second guiding surface contacts the second projection and the rotational axis of the rotating member vary with the rotation of the rotating member, and by this distance change, a guiding effect on the convex portion is generated, so that When the position of the bump moves, the two swinging members can generate a corresponding swing.
  • an elastic member is provided between the oscillating member and the frame for providing a restoring force to the oscillating member.
  • the swinging member is pushed by the rotating member to swing; otherwise, if the rotating member is rotated
  • the elastic member here is used to provide the external force required.
  • the external force can also be provided by other means, such as by pulling the swinging member by the rotating member.
  • the opening and closing mold assembly further includes a locking mechanism for relatively locking the fixed template and the movable template during the clamping, the locking mechanism comprising at least one of the opening formed in the movable template.
  • a connecting shaft is arranged inside the fixing template, and the connecting shaft is drivingly connected with the locking pin.
  • the frame includes a bracket, a top frame above the bracket, and a stand fixedly coupled between the bracket and the top frame, and the opening and closing mold assembly and the bottom mold positioning assembly are located on the upper side of the bracket.
  • a through hole is defined in the bracket, the rotating shaft rotatably passes through the through hole and the lower portion thereof extends below the bracket.
  • One ends of the first oscillating member and the second oscillating member are respectively rotatably connected to the bracket, and the aforementioned first rail and the second rail are respectively fixedly disposed on the bracket.
  • the power source and the transmission mechanism between the power source and the rotating shaft can be arranged under the bracket, and the space under the bracket can be reasonably utilized, so that the structure of the entire blowing machine is more compact.
  • the upper end of the rotating shaft is rotatably coupled to the top frame.
  • the invention has the beneficial effects that the rotation of a rotating shaft drives the linkage of the opening and closing mold assembly and the bottom mold positioning assembly to solve the action problem with the simplest structure, the structure is simple, the operation is convenient, and the equipment volume is reduced.
  • FIG. 1 is an assembled view of an opening and closing mold assembly and a bottom mold assembly and other accessories according to the present invention, in which the opening and closing mold assembly is in a mold clamping state;
  • Figure 2 is an assembled view of the opening and closing mold assembly and the bottom mold assembly and other accessories according to the present invention, in which the opening and closing mold assembly is in a mold opening state;
  • Figure 3 is a plan view showing a bottom mold positioning mechanism in a mold opening state according to an embodiment of the present invention
  • Figure 4 is a plan view showing the bottom mold positioning mechanism shown in Figure 3 in a mold clamping state
  • Figure 1-2 reflects the opening and closing mold assembly, the bottom mold positioning assembly, and the mechanism for linking the two, which are all installed on the blowing machine. Since the other parts of the blowing machine are not the main points of the present invention, and the blowing machine The structure has long been known to those skilled in the art, and thus the entire blow molding machine is not shown.
  • the opening and closing mold assembly includes a bottom mold 1 capable of moving in the up and down direction, a fixed template 2 disposed on the frame of the blow molding machine, and a movable mold 3 matched with the fixed template 2.
  • the opening and closing mold assembly has a mold opening state and a mold clamping state.
  • the bottom mold 1, the fixed template 2 and the movable template 3 are surrounded by the molding cavity, and the movable template 3 is engaged with the fixed template 2, As shown in Figure 1.
  • the fixed template 2 and the movable template 3 are respectively equipped with a mold (not labeled in the figure), and the molds on the fixed template 2 and the movable template 3 are matched for molding the bottle.
  • the opening and closing mold assembly further includes a locking mechanism for locking the fixed template 2 and the movable template 3 during mold clamping.
  • the movable template 3 is provided with at least one first connecting boss 4, and the fixed template 2 is provided with a second connecting boss 6.
  • the first connecting boss 4 has three adjacent A gap is formed between the two first connecting bosses 4, and there are three second connecting bosses 6, and a gap is formed between the two adjacent second connecting bosses 6, and the first connecting boss 4 and the second connecting protrusion are also formed.
  • the stages 6 are offset from each other such that one of the connecting bosses corresponds to the other of the notches, so that the movable die plate 3 and the fixed die plate 2 are mated by the two connecting bosses when the mold is clamped.
  • a pin hole 5 is defined in the first connecting boss 4, and preferably, the pin hole 5 penetrates the first connecting boss 4 up and down.
  • Mounting holes (not shown) are formed in the second connecting boss 6, and the locking pin 8 is telescopically disposed in the mounting hole, and the number of the locking pins 8 is the same as the number of the second connecting bosses 6.
  • a connecting shaft 7 is disposed inside the fixed plate 2, and the connecting shaft 7 drives the locking pin 8. The connecting shaft 7 and the locking pin 8 shown in FIG.
  • Figure 3-4 more clearly reflects the structure of the fixed-mode positioning assembly.
  • the bottom mold positioning assembly includes a rotating member 41, a plurality of swinging members that cooperate with the rotating member 41, and a plurality of sliders that are slidably disposed in a horizontal direction, and one end portions of the plurality of swinging members are respectively
  • the frame is rotatably connected, and the other end is respectively connected to the plurality of sliders.
  • the slider comprises a first slider 42 and a second slider 43 on opposite sides of the bottom mold 1, and the swinging member includes a rotation with the frame.
  • the first swinging member 44 and the second swinging member 45 are connected.
  • the die positioning assembly further includes a first rail 46 and a second rail 47 fixedly disposed on the frame, the first slider 42 and the second slider 43 sliding along the first rail 46 and the second rail 47, respectively.
  • the upper surface of the first slider 42 and the second slider 43 are respectively formed with a first protrusion 55 and a second protrusion 56, and the other ends of the first swinging member 44 and the second swinging member 45 are respectively formed with the first
  • the chute 57 and the second chute 58 are slidably inserted into the first chute 57, and the second protrusion 56 is slidably inserted into the second chute 58.
  • the rotating member 41 is provided with a first guiding surface 51 and a second guiding surface 52.
  • the first swinging member 44 and the second swinging member 45 are respectively provided with a first protrusion 53 and a second protrusion 54 respectively, and the rotating member 41 rotates.
  • the rotating member 41 rotates.
  • a first torsion spring 9 is disposed between the first oscillating member 44 and the frame
  • a second torsion spring 10 is disposed between the second oscillating member 45 and the frame
  • the two torsion springs respectively give two The swinging members provide a restoring force.
  • the first torsion spring 9 supplies a force to the first swinging member 44 to swing the first swinging member 44, and the swinging principle of the second swinging member 45 It is substantially the same as the first swinging member 44.
  • the rotating member 41 and the movable die plate 3 are fixedly coupled to the rotating shaft 21, and the rotating shaft 21 is driven by a power source to rotate about an axis of rotation.
  • the rotating shaft 21 has a cylindrical configuration, and its own axis is its axis of rotation.
  • the rotating shaft 21 passes through the rotating member 41 and the movable die plate 3 in order from bottom to top and drives both of them to rotate. Since the rotating shaft 21 needs to be moved toward the fixed die plate 2 and the fixed die plate 2 is opened, the rotation of the rotary shaft 21 alternates in the forward direction and the reverse direction.
  • the lower end portion of the rotating shaft 21 is connected to the driving swing arm 22, and the power source drives the swing arm 22 to rotate by driving the swing arm 22.
  • the power source drives the swing arm 22 to rotate the drive shaft 21 in the forward direction, so that the movable die plate 3 rotates with the rotary shaft 21 and closes with the fixed die plate 2; meanwhile, the rotary member 41 also rotates with the rotary shaft 21, and the first convex portion
  • the block 53 slides along the first guiding surface 51, and the second protrusion 54 slides along the second guiding surface 52, and the first swinging member 44 swings under the pushing of the rotating member 41 or under the force of the first torsion spring 9,
  • the second oscillating member 45 is swung under the urging force of the rotating member 41 or under the urging force of the second torsion spring 10, thereby driving the first slider 42 and the second slider 43 along the first rail 46 and the second rail 47, respectively.
  • the bottom mold 1 When in the mold clamping state, the bottom mold 1 forms a gap with the frame, and the first slider 42 and the second slider 43 slide along the first rail 46 and the second rail 47 into the gap, respectively, and are inserted into the gap. And contradicts the bottom mold 1 and the frame;
  • the frame comprises a bracket 31, a top frame 32 located above the bracket 31, and a stand 33 fixedly connected between the bracket 31 and the top frame 32.
  • the opening and closing die assembly and the bottom mold positioning assembly are all located on the upper side of the bracket 31, and the cam 11 is located on the lower side of the bracket 31, and one end portions of the first swinging member and the second swinging member are respectively rotatably connected to the bracket 31, and the first rail 46 and the second rail 47 are fixedly disposed on the bracket 31, respectively.
  • the bracket 31 is provided with a through hole through which the rotating shaft 21 passes, and the rotating shaft 21 can rotate in the through hole.
  • the upper end portion of the rotating shaft 21 is rotatably coupled to the top frame 32.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)

Abstract

一种安装在吹瓶机上的单轴开合模与底模定位联动机构,该联动机构包括开合模组件以及用于将底模(1)与吹瓶机的机架之间相对定位的底模定位组件,开合模组件包括可相对机架沿上下方向运动的底模(1)、定模板(2)以及动模板(3),底模定位组件包括可滑动地设置于机架上的多个滑块(42、43)、用于带动多个滑块(42、43)滑动地可摆动地设置于机架上的多个摆动件(44、45)、可相对机架转动且在转动时带动摆动件(44、45)摆动的转动件(41),动模板(3)、转动件(41)与一转轴(21)相固定连接,该转轴(21)绕一转动轴线转动。合模时,动模板(3)和定模板(2)相啮合,多个滑块(42、43)插入底模(1)和机架之间且抵住底模(1),开模时,滑块(42)脱离底模(1)。该联动机构通过转轴带着动模板和转动件一起转动,转动件的转动又通过摆动件转化为滑块的滑动,从而实现开合模及底模定位的联动,以简单结构解决动作问题,结构精简、操作方便,设备体积减小。

Description

一种单轴开合模与底模定位联动机构
技术领域
本发明涉及饮料瓶加工设备领域,特别是吹瓶机。
背景技术
在吹瓶机中均包含有开合模机构、底模定位机构,传统的开合模机构,采用机架,安装在机架上的定模板和动模板,定模板和动模板结合处有锁模机构,动模板呈L形由开合模气缸带动,开合模气缸带动齿条,齿条带动动模板齿轮,动模板齿轮安在齿轴上,齿轴连接动模板,齿轴安装在支架上。
传统的底模定位机构,如公告号为CN201755911U中公开的一种直线式吹瓶机的底模锁定装置,包括模具安装板、瓶模模腔、底模、动力机构、定位机构与支座,瓶模模腔尾段套接底模,底模连接动力机构,定位机构水平设置在支座上,定位机构包括定位卡块气缸与定位卡块,定位卡块与定位卡块气缸连接,动力机构包括底模安装板与底模升降气缸,底模安装板上表面连接底模,下表面连接底模升降气缸,底模升降气缸固定在支架上。
现有技术中的开合模机构和底模定位机构的结构复杂,设备体积庞大,各自驱动,并且不利于操作,成本昂贵。
发明内容
本发明所要解决的技术问题是提供一种单轴开合模、底模定位联动机构。
为解决以上技术问题,本发明采用如下技术方案:一种单轴开合模与底模定位联动机构,该联动机构安装在吹瓶机上,联动机构包括具有开模状态和合模状态的开合模组件、用于将底模与吹瓶机的机架之间相对定位的底模定位组件。开合模组件包括可相对机架沿上下方向运动的底模、固定设置在机架上的定模板、可相对机架转动地设置的动模板,在开合模组件的合模状态下,动模板与定模板相啮合,且动模板、定模板以及底模三者之间围成一型腔。底模定位组件包括可滑动地设置于机架上的多个滑块、用于带动多个滑块滑动地可摆地设置于机架上的多个摆动件、可相对机架转动且在转动时带动摆动件摆动的转动件,动模板、转动件与一转轴相固定连接,该转轴由动力源驱动而绕一转动轴线转动。当开合模组件处于合模状态时,多个滑块插入底模与机架之间且抵住底模;当开合模组件处于开模状态时,多个滑块脱离底模。通过转轴带着动模板和转动件一起转动,转动件的转动又通过摆动件转化为滑块的滑动,从而可同步实现合模以及在合模状态下对底模的定位,反之,也同步实现开模以及在开模时使底模被释放。
进一步的,转动件、动模板上分别开设有穿孔,以供转轴从下到上依次穿过转动件、动模板。
进一步地,转轴的下端部连接有驱动摆臂,动力源通过驱动摆臂驱动转轴转动。
进一步地,多个滑块包括位于底模的相对两侧的第一滑块和第二滑块,底模定位组件还包括固定设置在机架上的第一导轨和第二导轨,第一滑块可滑动地设置于第一导轨上,第二滑块可滑动地设置于第二导轨上,通过两个滑块实现对底模的双边定位。
更进一步地,多个摆动件包括第一摆动件和第二摆动件,第一摆动件、第二摆动件分别与机架相转动连接,第一摆动件、第二摆动件分别相应地牵引第一滑块、第二滑块滑动。通过两个摆动件的摆动来分开控制两个滑块的滑动,更利于控制方式的简单化设计。
再进一步地,第一摆动件上在离其与机架连接的位置一段距离处开设一第一滑槽,第二摆动件上在离其与机架连接的位置一段距离处开设一第二滑槽,第一滑块和第二滑块的上表面上分别形成有第一凸起和第二凸起,第一凸起可滑动地插在第一滑槽中,第二凸起可滑动地插在第二滑槽中。两个摆动件的开滑槽的位置形成拨叉构造,摆动件通过该拨叉控制滑块的滑动。
再进一步地,转动件的外缘面上具有第一导向面和第二导向面,第一摆动件上形成朝向转动件突出的第一凸块,第二摆动件上形成朝向转动件突出的第二凸块,在转动件相对机架转动时,第一导向面与第一凸块相对滑动地接触,第二导向面与第二凸块相对滑动地接触,且第一导向面与第一凸块接触的位置以及第二导向面与第二凸块接触的位置与转动件的转动轴线之间的距离随转动件的转动而变化,通过这种距离变化,产生对凸块的导向作用,使得凸块位置移动,两个摆动件便可产生相应的摆动。
更优选地,在摆动件与机架之间设置一弹性部件,用于提供复位力给摆动件。例如,在转动件转动的过程中,当凸块和导向面接触的位置离第二轴线越来越远时,摆动件即被转动件推着发生摆动;反之,若在转动件转动的过程中,凸块和导向面接触的位置离第二轴线越来越近,摆动件即需要外力来牵引着才能产生摆动,而此处的弹性部件即用来提供所需要的这种外力。当然,也可以通过其它方式来提供该外力,例如通过转动件牵拉摆动件的方式。
在一种优选的实施例中,开合模组件还包括用于在合模时将定模板、动模板相对锁定的锁定机构,锁定机构包括形成于动模板的至少一个开设有销孔的第一连接凸台、形成于定模板上的与所述的第一连接凸台相匹配的开设有安装孔的第二连接凸台、可伸缩地插在第二连接凸台的安装孔内的锁销。定模板内部贯穿设置一连接轴,连接轴与锁销相传动连接。当开合模组件处于合模状态时,锁销伸出所述的第二连接凸台、伸入销孔内,将动模板、定模板相对锁定,且允许锁销在动模板需要相对定模板打开时脱离销孔并缩入第二连接凸台的安装孔中。
在一特定的实施例中,机架包括支架、位于支架上方的顶架以及固定连接在支架和顶架之间的立架,开合模组件、底模定位组件均位于支架的上侧,支架上开设有通孔,转轴可转动地穿过该通孔且其下部延伸到支架的下方。第一摆动件和第二摆动件的一端部分别与所述的支架相转动连接,前面提及的第一导轨和第二导轨分别固定设置在支架上。基于这样的设计,可将动力源及位于动力源与转轴之间的传动机构等安排在支架的下方,合理利用支架下方的空间,使整个吹瓶机的结构更紧凑。
进一步优选地,转轴的上端部与顶架相转动连接。
本发明的有益效果在于:通过一根转轴的转动带动开合模组件及底模定位组件的联动,以最简单的结构解决动作问题,结构精简、操作方便,设备体积减小。
附图说明
附图1为根据本发明的开合模组件与底模组件及其它配件的组装图,图中的开合模组件处于合模状态;
附图2为根据本发明的的开合模组件与底模组件及其它配件的组装图,图中的开合模组件处于开模状态;
附图3为根据本发明实施的一种底模定位机构处于开模状态的俯视图;
附图4为图3所示底模定位机构处于合模状态的俯视图;
其中:1、底模;2、定模板;3、动模板;4、第一连接凸台;5、销孔;6、第二连接凸台;7、连接轴;8、锁销;9、第一扭簧;10、第二扭簧;
21、转轴;22、驱动摆臂;
31、支架;32、顶架;33、立架;
41、转动件;42、第一滑块;43、第二滑块;44、第一摆动件;45、第二摆动件;46、第一导轨;47、第二导轨;
51、第一导向面;52、第二导向面;53、第一凸块;54、第二凸块;55、第一凸起;56、第二凸起;57、第一滑槽;58、第二滑槽。
具体实施方式
下面结合附图对本发明作进一步阐述。
图1-2反映了开合模组件、底模定位组件及使两者联动的机构,这些都安装在吹瓶机上使用,由于吹瓶机的其它部分并非本发明的要点,且吹瓶机的结构早已为本领域技术人员所知,因而图中未示出整个吹瓶机。
开合模组件包括能够沿上下方向运动的底模1、设置在吹瓶机的机架上的定模板2、与定模板2配合的动模板3。开合模组件具有开模状态和合模状态,当处于合模状态时,底模1、定模板2与动模板3三者之间围成型腔,动模板3与定模板2相啮合,如图1所示。从图2可以看出,定模板2和动模板3上分别装配有模具(图中未标号),定模板2和动模板3上的模具相匹配用于成型瓶子。
开合模组件还包括用于在合模时将定模板2、动模板3锁定的锁定机构。动模板3上设置有至少一个第一连接凸台4,定模板2上设置有第二连接凸台6,在图2所示的实施例中,第一连接凸台4有3个,相邻两个第一连接凸台4之间形成缺口,第二连接凸台6也有三个,相邻两个第二连接凸台6之间也形成缺口,第一连接凸台4与第二连接凸台6相互错开,以使其中一方的连接凸台与另一方的缺口对应,使动模板3与定模板2在合模时通过两方的连接凸台相匹配插接。第一连接凸台4上开设有销孔5,优选地,销孔5上下贯穿第一连接凸台4。第二连接凸台6上开设安装孔(图中未标号),安装孔内可伸缩地设置有锁销8,锁销8的数量与第二连接凸台6的数量相同。一连接轴7贯穿设置在定模板2内部,连接轴7传动锁销8,图2中所示的连接轴7、锁销8相平行设置,连接轴5通过连杆与锁销8相传动连接,并且位于最下部的一个锁销8与驱动块相直连。当合模时,动模板3的第一连接凸台4伸入至定模板2的第二连接凸台6的缺口内,向上拉动驱动块,使驱动块驱动连接轴7运动,通过连接轴7传动锁销8伸出第二连接凸台6、伸入销孔5内,动模板3、定模板2即被锁定。需要开模时,再通过连接轴7传动锁销8,使其离开销孔5,缩入第二连接凸台6上的安装孔内,动模板3即可相对定模板2打开。
图3-4更清楚地反映了定模定位组件的结构。
结合参照图2和3-4,底模定位组件包括转动件41、与转动件41配合的多个摆动件、沿水平方向滑动地设置的多个滑块,多个摆动件的一端部分别与机架转动连接,另一端部分别与多个滑块相连,具体地,滑块包括位于底模1相对两侧的第一滑块42和第二滑块43,摆动件包括与机架相转动连接的第一摆动件44和第二摆动件45。
底模定位组件还包括固定设置在机架上的第一导轨46和第二导轨47,第一滑块42和第二滑块43分别沿着第一导轨46和第二导轨47滑动。
第一滑块42和第二滑块43的上表面分别形成有第一凸起55和第二凸起56,第一摆动件44和第二摆动件45的另一端部上分别形成有第一滑槽57和第二滑槽58,第一凸起55可滑动地插在第一滑槽57内,第二凸起56可滑动地插在第二滑槽58内。
转动件41上设置有第一导向面51和第二导向面52,第一摆动件44和第二摆动件45上分别设置有第一凸块53和第二凸块54,在转动件41转动时,第一凸块53沿着第一导向面51滑动,第二凸块54沿着第二导向面52滑动,如图3-4所示。
优选地,在第一摆动件44与机架之间设置有第一扭簧9,在第二摆动件45与机架之间设置有第二扭簧10,两个扭簧分别相应地给两个摆动件提供复位力。
当第一凸块53在第一导向面51的导向下朝远离转轴21的转动轴线的方向运动时,第一摆动件44被转动件41推着发生转动,在第一导向面51与第一凸块53的接触位置离转轴21的转动轴线越来越近时,第一扭簧9给第一摆动件44提供作用力,使第一摆动件44作摆动,第二摆动件45的摆动原理与第一摆动件44基本相同。
转动件41和动模板3固定连接于转轴21,转轴21由一动力源驱动而绕一转动轴线转动。图1-4所示的实施例中,转轴21为圆柱体构造,其自身轴心线即为其转动轴线。转轴21从下到上依次穿过转动件41、动模板3并带动两者转动。由于转轴21需要带着动模板3朝向定模板2运动和相对定模板2打开,因此,转轴21的转动时正向和反向交替的。
在图1-2所示的实施例中,转轴21的下端部连接有驱动摆臂22,动力源通过驱动摆臂22驱动转轴21转动。
当要合模时,动力源驱动驱动摆臂22传动转轴21正向转动,从而动模板3随转轴21转动,和定模板2相靠拢;同时,转动件41也随转轴21转动,第一凸块53沿着第一导向面51滑动,第二凸块54沿着第二导向面52滑动,第一摆动件44在转动件41的推动下或在第一扭簧9的作用力下摆动,第二摆动件45在转动件41的推动下或在第二扭簧10的作用力下摆动,从而带动第一滑块42和第二滑块43分别沿着第一导轨46和第二导轨47向底模1下方滑动,直至两个滑块插入底模1与机架之间,并分别在底模1下方抵住底模1,使得底模1被定位。
当要开模时,转轴21作与上述相反方向的转动,带动动模板3相对定模板2打开,转动件41也同步作反向转动,通过第一摆动件44和第二摆动件45带动两个滑块作朝向离开底模1方向的运动。此处及本文其它各处所说的“正向”及“反向”仅是为了说明两种运动方向相反,并不严格对应于顺时针、逆时针方向,而在图1-4所示的实施例中,“正向”即对应于逆时针方向,“反向”即对应于顺时针方向。
从上述介绍便可以看出,通过以上介绍的结构实现了开合模和底模定位的联动。
当处于合模状态时,底模1与机架形成空隙,第一滑块42和第二滑块43分别沿着第一导轨46和第二导轨47向空隙内滑动并插设在空隙内,且与底模1、机架相抵触;
机架包括支架31、位于支架31上方的顶架32以及固定连接在支架31和顶架32之间的立架33,开合模组件、底模定位组件均位于支架31的上侧,凸轮11位于支架31的下侧,第一摆动件和第二摆动件的一端部分别与支架31相转动连接,第一导轨46和第二导轨47分别固定设置在支架31上。支架31上开设有供转轴21穿过的通孔,转轴21能在通孔内转动。转轴21的上端部与顶架32相转动连接。
上述实施例只为说明本发明的技术构思及特点,其目的在于让熟悉此项技术的人士能够了解本发明的内容并据以实施,并不能以此限制本发明的保护范围。凡根据本发明精神实质所作的等效变化或修饰,都应涵盖在本发明的保护范围之内。

Claims (12)

1、一种单轴开合模与底模定位联动机构,该联动机构安装在吹瓶机上,所述联动机构包括具有开模状态和合模状态的开合模组件、用于将底模(1)与吹瓶机的机架之间相对定位的底模定位组件,所述的开合模组件包括可相对机架沿上下方向运动的底模(1)、固定设置在所述的机架上的定模板(2)、可相对机架转动地设置的动模板(3),在开合模组件的合模状态下,所述动模板(3)与定模板(2)相啮合,且动模板(3)、定模板(2)以及底模(1)三者之间围成一型腔,其特征在于:所述的底模定位组件包括可滑动地设置于机架上的多个滑块、用于带动所述多个滑块滑动地可摆地设置于机架上的多个摆动件、可相对机架转动且在转动时带动摆动件摆动的转动件(41),所述的动模板(3)、转动件(41)与一转轴(21)相固定连接,该转轴(21)由动力源驱动而绕一转动轴线转动,当开合模组件处于合模状态时,所述多个滑块插入底模(1)与机架之间且抵住底模(1);当开合模组件处于开模状态时,所述多个滑块脱离底模(1)。
2、根据权利要求1所述的联动机构,其中,转动件(41)、动模板(3)上分别开设有穿孔,转轴(21)从下到上依次穿过转动件(41)、动模板(3)并与二者相连接。
3、根据权利要求1所述的联动机构,其特征在于:转轴(21)的下端部连接有驱动摆臂(22),动力源通过驱动摆臂(22)驱动转轴(21)转动。
4、根据权利要求1所述的联动机构,其中,多个滑块包括位于底模(1)的相对两侧的第一滑块(42)和第二滑块(43),底模定位组件还包括固定设置在机架上的第一导轨(46)和第二导轨(47),所述的第一滑块(42)可滑动地设置于第一导轨(46)上,所述的第二滑块(43)可滑动地设置于第二导轨(47)上。
5、根据权利要求4所述的联动机构,其中,多个摆动件包括第一摆动件(44)和第二摆动件(45),第一摆动件(44)、第二摆动件(45)分别与机架相转动连接,第一摆动件(44)、第二摆动件(45)分别相应地牵引第一滑块(42)、第二滑块(43)滑动。
6、根据权利要求5所述的联动机构,其中,第一摆动件(44)上在离其与机架连接的位置一段距离处开设一第一滑槽(57),第二摆动件(45)上在离其与机架连接的位置一段距离处开设一第二滑槽(58),第一滑块(42)和第二滑块(43)的上表面上分别形成有第一凸起(55)和第二凸起(56),所述的第一凸起(55)可滑动地插在第一滑槽(57)中,所述的第二凸起(56)可滑动地插在第二滑槽(58)中。
7、根据权利要求5所述的联动机构,其中,转动件(41)的外缘面上具有第一导向面(51)和第二导向面(52),第一摆动件(44)上形成朝向转动件(41)突出的第一凸块(53),第二摆动件(45)上形成朝向转动件(41)突出的第二凸块(54),在转动件(41)相对机架转动时,所述的第一导向面(51)与第一凸块(53)相对滑动地接触,所述的第二导向面(52)与第二凸块(54)相对滑动地接触,且第一导向面(51)与第一凸块(53)接触的位置以及第二导向面(52)与第二凸块(54)接触的位置与转动件(41)的转动轴线之间的距离随转动件(41)的转动而变化。
8、根据权利要求1所述的联动机构,其中,开合模组件还包括用于在合模时将定模板(2)、动模板(3)相对锁定的锁定机构,所述锁定机构包括形成于动模板(3)的至少一个开设有销孔(5)的第一连接凸台(4)、形成于定模板(2)上的与所述的第一连接凸台(4)相匹配的开设有安装孔的第二连接凸台(6)、可伸缩地插在所述的第二连接凸台(6)的安装孔内的锁销(8),定模板(2)内部贯穿设置一连接轴(7),所述的连接轴(7)与锁销(8)相传动连接,当开合模组件处于合模状态时,所述的锁销(8)伸出所述的第二连接凸台(6)、伸入所述的销孔(5)内,将动模板(3)、定模板(2)相对锁定,且允许锁销(8)脱离销孔(5)并缩入第二连接凸台(6)的安装孔中。
9、根据权利要求1-8中任一项所述的联动机构,其中,机架包括支架(31)、位于所述的支架(31)上方的顶架(32)以及固定连接在所述的支架(31)和顶架(32)之间的立架(33),开合模组件、底模定位组件均位于所述的支架(31)的上侧,支架(31)上开设有通孔,转轴(21)可转动地穿过该通孔且其下部延伸到支架(31)的下方。
10、根据权利要求9所述的联动机构,其中,第一摆动件和第二摆动件分别与支架(31)相转动连接。
11、根据权利要求9所述的联动机构,其中,转轴(21)的上端部与顶架(32)相转动连接。
12、根据权利要求1-7中任一项所述的联动机构,其中在各摆动件与机架之间设置一弹性部件。
PCT/CN2013/074917 2013-03-19 2013-04-27 一种单轴开合模与底模定位联动机构 Ceased WO2014146324A1 (zh)

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CN113635540A (zh) * 2021-07-26 2021-11-12 江苏新美星包装机械股份有限公司 一种用于双开模吹瓶机的底模联动机构
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CN110358671A (zh) * 2018-04-10 2019-10-22 北京慧荣和科技有限公司 多连杆开合机构
CN109878017A (zh) * 2019-03-28 2019-06-14 罗红军 放针机构
CN113635540A (zh) * 2021-07-26 2021-11-12 江苏新美星包装机械股份有限公司 一种用于双开模吹瓶机的底模联动机构
CN113815218A (zh) * 2021-09-16 2021-12-21 江苏新美星包装机械股份有限公司 一种吹瓶机拉伸封口联动装置
CN113829612A (zh) * 2021-09-24 2021-12-24 江苏新美星包装机械股份有限公司 一种吹瓶机锁模机构
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CN115071004A (zh) * 2022-06-23 2022-09-20 晋江中天模具有限公司 一种pvc多色旋转模具
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CN116160661A (zh) * 2022-09-08 2023-05-26 楚天科技股份有限公司 连续式吹灌封设备的成型模具装置及连续式吹灌封设备
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CN117162385B (zh) * 2023-08-10 2024-06-11 深圳市和鑫晟科技有限公司 一种模内装配的注塑模具
CN117124574A (zh) * 2023-09-19 2023-11-28 浙江坚特环保科技有限公司 一种使用寿命长的外卖盒生产用下料架
CN120868615A (zh) * 2025-08-29 2025-10-31 科盟能源(扬州)有限公司 一种原油输送撬装管道加热炉

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