WO2014146323A1 - 单轴开合模与底模定位联动机构 - Google Patents

单轴开合模与底模定位联动机构 Download PDF

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Publication number
WO2014146323A1
WO2014146323A1 PCT/CN2013/074916 CN2013074916W WO2014146323A1 WO 2014146323 A1 WO2014146323 A1 WO 2014146323A1 CN 2013074916 W CN2013074916 W CN 2013074916W WO 2014146323 A1 WO2014146323 A1 WO 2014146323A1
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WO
WIPO (PCT)
Prior art keywords
frame
opening
mold
template
closing
Prior art date
Application number
PCT/CN2013/074916
Other languages
English (en)
French (fr)
Inventor
董海龙
芮校举
杨新良
何德平
Original Assignee
江苏新美星包装机械股份有限公司
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.)
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Application filed by 江苏新美星包装机械股份有限公司 filed Critical 江苏新美星包装机械股份有限公司
Priority to EP13879020.9A priority Critical patent/EP2977180B1/en
Publication of WO2014146323A1 publication Critical patent/WO2014146323A1/zh

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/42—Component parts, details or accessories; Auxiliary operations
    • B29C49/56—Opening, closing or clamping means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C33/00—Moulds or cores; Details thereof or accessories therefor
    • B29C33/20—Opening, closing or clamping
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/42—Component parts, details or accessories; Auxiliary operations
    • B29C49/48—Moulds
    • B29C2049/4879—Moulds characterised by mould configurations
    • B29C2049/4892—Mould halves consisting of an independent main and bottom part
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/42—Component parts, details or accessories; Auxiliary operations
    • B29C49/56—Opening, closing or clamping means
    • B29C2049/566—Locking means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/42—Component parts, details or accessories; Auxiliary operations
    • B29C49/56—Opening, closing or clamping means
    • B29C2049/566—Locking means
    • B29C2049/5661—Mechanical
    • B29C2049/5664—Translating locking pin
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2949/00—Indexing scheme relating to blow-moulding
    • B29C2949/07—Preforms or parisons characterised by their configuration
    • B29C2949/0715—Preforms or parisons characterised by their configuration the preform having one end closed
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C33/00—Moulds or cores; Details thereof or accessories therefor
    • B29C33/20—Opening, closing or clamping
    • B29C33/26—Opening, closing or clamping by pivotal movement
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/02—Combined blow-moulding and manufacture of the preform or the parison
    • B29C49/06—Injection blow-moulding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/42—Component parts, details or accessories; Auxiliary operations
    • B29C49/56—Opening, closing or clamping means
    • B29C49/5601—Mechanically operated, i.e. closing or opening of the mould parts is done by mechanic means
    • B29C49/5602—Mechanically operated, i.e. closing or opening of the mould parts is done by mechanic means using cams
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/42—Component parts, details or accessories; Auxiliary operations
    • B29C49/56—Opening, closing or clamping means
    • B29C49/5608—Asymmetric movement of mould parts, e.g. by moving only one mould part
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/42—Component parts, details or accessories; Auxiliary operations
    • B29C49/56—Opening, closing or clamping means
    • B29C49/5613—Opening, 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 an opening and closing mechanism and a bottom mold positioning mechanism on a blowing machine.
  • the opening and closing mechanism and the bottom mold positioning mechanism are usually included.
  • the traditional opening and closing mechanism includes a frame, a fixed template and a movable template mounted on the frame, and the fixed template and the movable template are combined with a lock.
  • 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 an improved single-axis opening and closing mold and 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.
  • a bottom mold positioning assembly for fixing the bottom mold and the frame of the blow molding machine, the opening and closing mold assembly comprising a bottom mold movable relative to the frame in the up and down direction, and fixedly disposed on the frame
  • the bottom mold positioning assembly includes a stopper disposed at a bottom of the movable template, a slider slidably disposed relative to the frame, and a swing for swinging the slider to be coupled to the frame about a first axis And a rotating member disposed rotatably relative to the frame and driving the swinging member to swing relative to the frame when rotating.
  • the rotating member and the movable plate are fixedly coupled to a rotating shaft, and the rotating shaft is driven by the power source to rotate about a second axis.
  • the opening and closing mold assembly When the opening and closing mold assembly is in the mold clamping state, the slider and the stopper are inserted between the bottom mold and the frame and resist the bottom mold, the movable template and the fixed template are engaged, and the movable template, the fixed template and the bottom mold 3 When the opening and closing module is in the mold opening state, the movable template is opened relative to the fixed template, and the stopper and the slider are separated from the bottom mold.
  • the rotation of the rotating shaft drives the rotation of the rotating member and the moving template
  • the rotation of the rotating member drives the swinging of the swinging member
  • the slider is slid correspondingly
  • the rotation of the movable template can simultaneously achieve the clamping of the opening and closing mold assembly, and at the same time
  • the stop at the bottom is moved accordingly, so that the stop and the slider together limit the bottom mold when the mold is closed, and release the bottom mold when the mold is opened.
  • a through hole may be formed on the rotating member and the movable platen. Through the through holes, the rotating shaft passes through the rotating member and the movable platen in sequence from bottom to top and is respectively connected with the rotating member and the movable plate.
  • the bottom mold positioning assembly further includes a guide rail fixedly disposed on the frame, and the slider is slidably disposed on the guide rail along the guide rail.
  • the guide rail is preferably a linear rail.
  • the rotating member has a guiding surface
  • the swinging member is provided with a convex block
  • the convex portion and the guiding surface are in sliding contact with each other, and the distance between the position where the convex portion contacts the guiding surface and the second axis rotates with the rotation
  • the rotation of the piece changes, and by this change of the distance, a guiding action on the bump is generated, so that the position of the bump moves, and the swinging member can swing around the first axis.
  • 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 convex portion is convex.
  • the position where the block and the guide surface are in contact is closer and closer to the second axis, and the swinging member requires an external force to be pulled to generate the swing, and 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 slider is formed with a protrusion
  • the swinging member is formed with a sliding groove at a distance from the first axis, and the protrusion is slidably inserted in the sliding groove.
  • the portion of the opening chute forms a fork configuration, and the swinging member controls the sliding of the slider through the shifting fork.
  • the opening and closing mold assembly further includes a locking mechanism for relatively locking the stationary template and the movable template during clamping, the locking mechanism including at least one of the opening provided with the pin hole formed on the movable template a connecting boss, a second connecting boss formed on the fixing plate and matched with the first connecting boss, and a locking pin which is telescopically inserted into the mounting hole of the second connecting boss A connecting shaft is arranged inside the template, and the connecting shaft is drivingly connected with the locking pin.
  • the locking pin protrudes from the second connecting boss and protrudes into the pin hole, and the movable template and the fixed template are relatively locked, and the locking pin is allowed to retract into the second connecting convex portion. In the mounting hole of the table, it is separated from the pin hole.
  • 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.
  • the oscillating member can be pivotally connected to the bracket about the first axis, and the aforementioned rail can also be fixedly disposed on the bracket. Based on such a design, 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 first axis and the second axis are preferably parallel.
  • the invention has the beneficial effects that the invention drives the opening and closing mold assembly and the bottom mold positioning assembly through the rotation of a rotating shaft to solve the action problem with the simplest structure, the structure is simple, the operation is convenient, and the equipment volume is reduced.
  • Figure 1 is a schematic view 1 of the linkage mechanism according to the present invention in a mold clamping state of the opening and closing mold assembly;
  • Figure 2 is a schematic view of the linkage mechanism according to the present invention in a mold opening and closing state of the opening and closing mold assembly;
  • Figure 3 is a schematic view 2 of the linkage mechanism according to the present invention in the mold clamping state of the opening and closing mold assembly;
  • FIG. 4 is a plan view showing a bottom mold positioning mechanism in accordance with an embodiment of the present invention in a mold opening state of the opening and closing mold assembly;
  • Figure 5 is a plan view showing a bottom mold positioning mechanism in a mold clamping state in accordance with an embodiment of the present invention
  • FIG. 1 reflects a single-axis opening and closing mold and a bottom mold positioning linkage mechanism according to an embodiment of the present invention.
  • the mechanism is mounted on a blow molding machine. Since the blowing machine is a known device, the drawings only show the present invention. Some of the relevant components do not fully display the entire blow molding machine.
  • 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. When in the mold clamping state, the movable template 3 is engaged with the fixed template 2, and the bottom mold 1, the fixed template 2 and the movable template 3 are surrounded by the molding cavity.
  • a mold is attached to each of the fixed template 2 and the movable template 3.
  • the opening and closing mold assembly further includes a locking mechanism for relatively 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 .
  • first connecting bosses 4 there are three first connecting bosses 4 , and a gap is formed between two adjacent first connecting bosses 4 , and the first connecting bosses are formed.
  • 4 is provided with a pin hole 5 which penetrates the first connecting boss 4 up and down.
  • the fixed template 2 is provided with a second connecting boss 6 matching the first connecting boss 4, and the second connecting boss is provided with a mounting hole (not shown), and the locking pin 61 is telescopically arranged The two are connected to the boss 6.
  • a connecting shaft (not shown) is also inserted inside the fixed plate 2, and the connecting shaft is drivingly connected to the lock pin 61, and the number of the lock pins 61 is the same as the number of the pin holes 5.
  • the connecting shaft and the locking pin can extend in parallel parallel directions.
  • the manner of transmission between the connecting shaft and the locking pin 61 can be selected by those skilled in the art from a well-known manner, which is not essential to the invention itself and will not be further described herein.
  • the first connecting boss 4 of the movable die plate 3 is mated with the second connecting boss 6 of the fixed die plate 2, and the second connecting convex portion is extended by the connecting shaft drive locking pin 61.
  • the table 6 extends into the pin hole 5, and the movable die plate 3 and the fixed die plate 2 are relatively locked.
  • the connecting shaft can also drive the locking pin 61 away from the pin hole 5 and into the mounting hole of the second connecting boss 6, and the movable die plate 3 can be opened relative to the fixed template 2.
  • the bottom mold positioning assembly includes a first positioning unit and a second positioning unit on opposite sides of the bottom mold 1.
  • the first positioning unit includes a rotating member 41 that rotates relative to the frame about a second axis, a swinging member 44 that is controlled by the rotating member 41 to rotate relative to the frame about a first axis, and a slider 42 that is slidably disposed relative to the frame. .
  • first axis and the second axis are not indicated in the figures, but can be seen from the illustrated construction where the first axis and the second axis are preferably parallel to each other.
  • the rotating member 41 is provided with a guiding surface 411
  • the swinging member 44 is provided with a bump 53 which slides along the guiding surface 411, wherein the distance between the position where the bump 53 contacts the guiding surface 411 and the second axis It changes as the rotating member 41 rotates.
  • the projection 53 is displaced due to the guiding action of the guiding surface 411, thereby causing the swinging of the swinging member 44.
  • a torsion spring 7 is further disposed between the swinging member 44 and the frame for providing a restoring force to the swinging member 44.
  • Figure 1, Figure 4-5 During the rotation of the rotating member 41, when the position at which the projection 53 and the guiding surface 411 contact is further away from the second axis, the swinging member 44 is pushed by the rotating member 41 to swing; otherwise, if the rotating member 41 is in the rotating member 41, During the rotation, the position where the bump 53 and the guiding surface 411 contact is closer and closer to the second axis, and the swinging member 44 needs an external force to pull to generate the swing, and the torsion spring 7 here is used to provide the required This external force.
  • the external force can also be provided by other means, such as the manner in which the swinging member 44 is pulled by the rotating member 41.
  • the upper surface of the slider 42 is formed with a projection 55, and the other end portion of the swinging member 44 is formed with a sliding groove 47 into which the projection 55 is slidably inserted.
  • the first positioning unit also preferably includes a rail 46 fixedly mounted to the frame, the slider 42 sliding along the rail 46.
  • the second positioning unit includes a stopper 43 fixedly disposed at the bottom of the movable die plate 3.
  • the slider 42 and the stopper 43 are both inserted between the bottom mold 1 and the frame and against the bottom mold 1; when the opening and closing mold assembly is in the mold opening state, the movable mold 3 When the fixed template 2 is opened, the stopper 43 and the slider 42 are separated from the bottom mold 1.
  • the driving assembly includes a rotating shaft 21 that is rotatable about the second axis, and a power source that drives the rotating shaft 21 to rotate.
  • the movable platen 3 and the rotating member 41 are simultaneously fixedly coupled to the rotating shaft 21.
  • the rotating shaft 21 shown in each figure has a cylindrical configuration, and its own axis is the second axis.
  • the rotating shaft 21 passes through the rotating member 41 and the movable die plate 3 in order from bottom to top and drives the rotation thereof.
  • a lower end portion of the rotating shaft 21 is connected to a driving swing arm 22, and the power source drives the swing arm 22 to drive the rotating shaft 21 to rotate.
  • the power source drives the swing arm 22 to rotate the drive shaft 21, so that the movable die plate 3 rotates with the rotary shaft 21, and is close to the fixed die plate 2, and the stop 43 located at the bottom of the movable die plate 3 also moves with the movable die plate 3.
  • the rotating member 41 rotates with the rotating shaft 21, so that the swinging member 44 drives the sliding block 42 to slide until the stopper abuts between the bottom mold 1 and the frame, and the slider 42 also resists between the bottom mold 1 and the frame.
  • the bottom mold causes the bottom mold 1 to be stuck and positioned, as shown in FIGS. 3 and 5; and vice versa, and will not be described in detail herein. This achieves the linkage between the opening and closing mold and the bottom mold positioning.
  • the above-mentioned frame includes a bracket 31, a top frame 32 above the bracket 31, and a stand 33 fixedly connected between the bracket 31 and the top frame 32, and the opening and closing module
  • the piece and the bottom mold positioning assembly are all located on the upper side of the bracket 31, and the swinging member is rotatably connected with the bracket 31, and the guide rail 46 is fixedly disposed on the bracket 31.
  • 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 lower portion of the rotating shaft 21 is located below the bracket 31, and the driving swing arm 22 and the power source are also located below the bracket 31, and the upper end portion of the rotating shaft 21 is rotatably connected to the top frame 32.

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、底模定位组件以及驱动组件，开合模组件包括可相对机架沿上下方向运动的底模（1）、固定设置在机架上的定模板（2）以及可相对机架转动地设置的动模板（3），底模定位组件包括设置在动模板（3）底部的挡块（43）、可相对机架滑动地设置的一滑块（42）、用于带动滑块（42）滑动的摆动件（44）以及相对机架转动地设置且在转动时带动摆动件（44）相对机架绕一第一轴线摆动的转动件（41），转动件（41）、动模板（3）固定连接于一转轴（21），该转轴（21）由动力源驱动而绕一第二轴线转动。当开合模组件处于合模状态时，滑块（42）和挡块（43）均插入底模（1）和机架之间且抵住底模（1），动模板（3）和定模板（2）相啮合，当开合模组件处于开模状态时，动模板（3）相对定模板（2）打开，挡块（43）、滑块（42）脱离底模（1）。该联动机构通过一根转轴的转动带动开合模组件及底模定位组件实现联动，以最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

单轴开合模与底模定位联动机构
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，特别涉及吹瓶机上的开合模机构和底模定位机构。
背景技术
在吹瓶机中通常都包含有开合模机构、底模定位机构，传统的开合模机构包括机架、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改进的单轴开合模与底模定位联动机构。
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固定的底模定位组件，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。底模定位组件包括设置在所述的动模板底部的挡块、可相对机架滑动地设置的一滑块、用于带动滑块滑动的可绕一第一轴线摆动地连接于机架的摆动件、相对机架转动地设置且在转动时带动摆动件相对机架摆动的转动件。转动件、动模板固定连接于一转轴，该转轴由动力源驱动而绕一第二轴线转动。当开合模组件处于合模状态时，滑块和挡块均插入底模与机架之间且抵住底模，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；当开合模组件处于开模状态时，动模板相对定模板打开，挡块、滑块脱离底模。通过转轴的转动来带动转动件和动模板的转动，转动件的转动带动了摆动件的摆动，相应地带动滑块滑动，动模板的转动既能实现开合模组件的合模，同时又使得位于其底部的挡块随之运动，从而使得挡块与滑块一起在合模时对底模进行限位，在开模时又释放底模。
进一步地，转动件、动模板上分别可以开设穿孔，通过这些穿孔，转轴从下到上依次穿过转动件、动模板并与转动件和动模板分别相连接。
进一步地，底模定位组件还包括固定设置在机架上的导轨，滑块沿着导轨滑动地设置于导轨上。导轨优选为直线轨，随着摆动件的牵引，滑块在滑轨上作往复滑动，以实现滑块在合模状态下将底模定位，且又可离开底模，使底模在开模状态下被释放。
进一步地，转动件上具有导向面，摆动件上设置有凸块，凸块与导向面可相对滑动地相接触，且凸块与导向面接触的位置与第二轴线之间的距离随着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，摆动件便可产生绕第一轴线的摆动。
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。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。
优选地，滑块上形成有凸起，摆动件上在离第一轴线一段距离处形成有滑槽，凸起可滑动地插在该滑槽内。开滑槽的部分形成拨叉构造，摆动件通过该拨叉控制滑块的滑动。
在一特定实施例中，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，该锁定机构包括形成于动模板上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，且允许锁销缩入第二连接凸台的安装孔中并脱离销孔。
在一具体的实施例中，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。摆动件可绕第一轴线摆动地连接于支架，前面提及的导轨也可固定设置在支架上。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。
优选地，第一轴线和第二轴线最好相平行。
本发明的有益效果在于:本发明通过一根转轴的转动带动开合模组件及底模定位组件联动，以最简单结构解决动作问题，结构精简、操作方便，设备体积减小。
附图说明
附图1为根据本发明的联动机构在开合模组件处于合模状态的示意图一；
附图2为根据本发明的联动机构在开合模组件处于开模状态的示意图；
附图3为根据本发明的联动机构在开合模组件处于合模状态的示意图二；
附图4为根据本发明实施的底模定位机构在开合模组件处于开模状态的俯视图；
附图5为根据本发明实施的底模定位机构在开合模组件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；61、锁销；7、扭簧；
21、转轴；22、驱动摆臂；
31、支架；32、顶架；33、立架；
41、转动件；411、导向面；42、滑块；43、挡块；44、摆动件；46、导轨；
53、凸块；55、凸起；47、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反映了根据本发明实施的一种单轴开合模与底模定位联动机构，该机构安装在吹瓶机上，由于吹瓶机为已知设备，因此，各图仅显示了与本发明有关的部分组件，未完整显示整个吹瓶机。
图2-5更清楚地示出了开合模组件、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以及驱动开合模组件、底模定位组件运动的驱动组件，下面对各部件作详细描述。
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，动模板3与定模板2相啮合，底模1、定模板2与动模板3三者之间围成型腔，定模板2和动模板3上分别装配有模具。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。动模板3上设置有至少一个第一连接凸台4，本实施例中，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，第一连接凸台4上开设有销孔5，销孔5上下贯穿第一连接凸台4。定模板2上设置有与第一连接凸台4相匹配的第二连接凸台6，第二连接凸台上开设有安装孔（图中未示出），锁销61能够伸缩地设置在第二连接凸台6内。在定模板2内部还贯穿一连接轴（图中未示出），该连接轴与锁销61相传动连接，锁销61的数量与销孔5的数量相同。连接轴与锁销可以沿相平行的轴线方向延伸。连接轴与锁销61之间的传动方式可以由本领域技术人员从所熟知的方式中选取采用，其本身并不是本发明的要点，在此不再进一步描述。
当开合模组件处于合模状态时，动模板3的第一连接凸台4与定模板2的第二连接凸台6配合插接，通过连接轴传动锁销61伸出第二连接凸台6、伸入销孔5内，动模板3、定模板2即被相对锁定。连接轴也可传动锁销61，使其脱离销孔5、缩入第二连接凸台6的安装孔中，动模板3又可相对定模板2打开。
底模定位组件包括位于底模1相对两侧的第一定位单元和第二定位单元。
第一定位单元包括相对机架绕一第二轴线转动的转动件41、由转动件41控制而相对机架绕一第一轴线转动的摆动件44、相对机架可滑动地设置的滑块42。
第一轴线与第二轴线未在图中标出，但可以从图示的结构中看出其应处的位置，第一轴线与第二轴线最好是相互平行。
转动件41上设置有导向面411，摆动件44上设置有凸块53，凸块53沿着导向面411滑动，其中，凸块53与导向面411接触的位置与第二轴线之间的距离随着转动件41的转动而变化。随着转动件41的转动，由于导向面411的导向作用，使得凸块53发生位移，从而引起摆动件44的摆动。
优选地，摆动件44与机架之间还设置一扭簧7，用于提供复位力给摆动件44。如图1、图4-5中所示。在转动件41转动的过程中，当凸块53和导向面411接触的位置离第二轴线越来越远时，摆动件44即被转动件41推着发生摆动；反之，若在转动件41转动的过程中，凸块53和导向面411接触的位置离第二轴线越来越近，摆动件44即需要外力来牵引着才能产生摆动，而此处的扭簧7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41牵拉摆动件44的方式。
滑块42的上表面形成有凸起55，摆动件44的另一端部上形成有滑槽47，凸起55可滑动地插入滑槽47。
第一定位单元还优选包括固定设置在机架上的导轨46，滑块42沿着导轨46滑动。
第二定位单元包括固定设置在动模板3的底部的挡块43。
开合模组件处于合模状态时，滑块42和挡块43均插入底模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，动模板3相对定模板2打开，挡块43、滑块42脱离底模1。
驱动组件包括能够绕第二轴线方向转动的转轴21、驱动转轴21旋转的动力源，动模板3、转动件41同时与转轴21相固定连接。各图中所示的转轴21呈圆柱体构造，其自身轴心线即为第二轴线。转轴21从下到上依次穿过转动件41、动模板3并带动其转动。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。这样，当要合模时，动力源驱动驱动摆臂22传动转轴21转动，从而动模板3随转轴21转动，相对定模板2靠拢，位于动模板3底部的挡块43也随动模板3移动，同时，转动件41随转轴21转动，使得摆动件44带动滑块42滑动，直至挡块抵在底模1与机架之间，滑块42也在底模1与机架之间抵住底模，使得底模1被卡住定位，如图3、图5所示；反之亦然，在此不再进行详细描述。这样便实现了开合模和底模定位的联动。
结合参照图1和图4-5，上文提及的机架包括支架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，摆动件与支架31相转动连接，导轨46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的下部位于支架31的下方，驱动摆臂22以及动力源也位于支架31的下方，转轴21的上端部则与顶架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 (1)

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固定的底模定位组件，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设置在所述的动模板（3）底部的挡块（43）、可相对机架滑动地设置的一滑块（42）、用于带动滑块（42）滑动的可绕一第一轴线摆动地连接于机架的摆动件（44）、相对机架转动地设置且在转动时带动摆动件（44）相对机架摆动的转动件（41），所述转动件（41）、动模板（3）固定连接于一转轴（21），该转轴（21）由动力源驱动而绕一第二轴线转动，当开合模组件处于合模状态时，所述滑块（42）和挡块（43）均插入底模（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，所述动模板（3）相对定模板（2）打开，所述挡块（43）、滑块（42）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，其中，底模定位组件还包括固定设置在机架上的导轨（46），滑块（42）沿着导轨（46）滑动地设置于导轨（46）上。
4、根据权利要求1所述的联动机构，其中，转动件（41）上具有导向面（411），摆动件（44）上设置有凸块（53），所述的凸块（53）与导向面（411）可相对滑动地相接触，且凸块（53）与导向面（411）接触的位置与第二轴线之间的距离随着转动件（41）的转动而变化。
5、根据权利要求1或4所述的联动机构，其中，在摆动件（44）与机架之间设置一弹性部件，用于提供复位力给摆动件（44）。
6、根据权利要求1或3所述的联动机构，其中，滑块（42）上形成有凸起（55），摆动件（44）上在离第一轴线一段距离处形成有滑槽（47），所述的凸起（55）可滑动地插在该滑槽（47）内。
7、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）上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（61），定模板（2）内部贯穿设置一连接轴，所述的连接轴与锁销（41）相传动连接，当开合模组件处于合模状态时，所述的锁销（41）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（41）缩入第二连接凸台（6）的安装孔中并脱离销孔（5）。
8、根据权利要求1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，所述的支架（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。
9、根据权利要求1所述的联动机构，其中，摆动件可绕第一轴线摆动地连接于支架（31）。
10、根据权利要求1-4及7-9中任一项所述的联动机构，其中，第一轴线和第二轴线相平行。
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CN103171135B (zh) 2014-12-31
EP2977180A1 (en) 2016-01-27
EP2977180A4 (en) 2016-11-09

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