WO2013000274A1 - 一种锁模用压力装置 - Google Patents

一种锁模用压力装置 Download PDF

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Publication number
WO2013000274A1
WO2013000274A1 PCT/CN2012/000866 CN2012000866W WO2013000274A1 WO 2013000274 A1 WO2013000274 A1 WO 2013000274A1 CN 2012000866 W CN2012000866 W CN 2012000866W WO 2013000274 A1 WO2013000274 A1 WO 2013000274A1
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WO
WIPO (PCT)
Prior art keywords
pressure
push plate
wall
template
clamping
Prior art date
Application number
PCT/CN2012/000866
Other languages
English (en)
French (fr)
Inventor
陈国永
Original Assignee
Chen Guoyong
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Filing date
Publication date
Application filed by Chen Guoyong filed Critical Chen Guoyong
Publication of WO2013000274A1 publication Critical patent/WO2013000274A1/zh

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
    • B22D17/20—Accessories: Details
    • B22D17/26—Mechanisms or devices for locking or opening dies
    • B22D17/266—Mechanisms or devices for locking or opening dies hydraulically
    • 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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/64—Mould opening, closing or clamping devices
    • B29C45/67—Mould opening, closing or clamping devices hydraulic
    • B29C45/6707—Mould opening, closing or clamping devices hydraulic without relative movement between the piston and the cylinder of the clamping device during the mould opening or closing movement
    • B29C45/6714—Mould opening, closing or clamping devices hydraulic without relative movement between the piston and the cylinder of the clamping device during the mould opening or closing movement using a separate element transmitting the mould clamping force from the clamping cylinder to the mould
    • B29C45/6721—Mould opening, closing or clamping devices hydraulic without relative movement between the piston and the cylinder of the clamping device during the mould opening or closing movement using a separate element transmitting the mould clamping force from the clamping cylinder to the mould the separate element being displaceable with respect to the mould or the clamping cylinder
    • 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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/64—Mould opening, closing or clamping devices
    • B29C45/67—Mould opening, closing or clamping devices hydraulic
    • B29C45/6778—Stroke adjusting or limiting means

Definitions

  • the invention relates to a pressure device, in particular to a pressure device for clamping. Background technique
  • clamping mechanism In the field of industrial molding, such as plastic injection molding, metal die casting and other products, which require molding or compaction, it is required to operate under a certain pressure, and a clamping mechanism is usually used to provide and maintain pressure for these processes.
  • a clamping mechanism There are usually two types of clamping mechanisms currently used, one is a full hydraulic clamping mechanism, and the other is a mechanical clamping mechanism for the toggle.
  • the full hydraulic clamping mechanism pushes the moving template through the cylinder mounted on the machine template, pushes the mold to the fixed template and closes the mold, and finally locks the mold by establishing the high pressure of the oil in the cylinder. Since the force of the mold locking is large, the required cylinder is bulky and costly, and the cylinder is large in volume, difficult to fill, low in efficiency, difficult to manufacture, and easy to leak.
  • the toggle-type clamping mechanism is composed of a clamping cylinder and two symmetrical elbow-side lever mechanisms.
  • the shifting cylinder pushes the high-pressure oil to push the crosshead to straighten the toggle link, and the system produces elastic deformation. Clamping force. Since the clamping force is achieved by elastic deformation of the system, the clamping force is not accurate, the clamping force of different molding cycles is difficult to adjust, the clamping force in the same molding cycle cannot be adjusted, and the mechanical clamping mechanism is compared. Hard to lubricate, easy to damage, short life. Summary of the invention
  • the technical problem to be solved by the present invention is to provide a mold clamping function capable of replacing the conventional hydraulic cylinder for the machine clamping mechanism and the clamping force is easy to adjust, does not leak, and has low cost for the current state of the art. Pressure device.
  • the pressure device for clamping mold comprising: a push plate disposed between the template of the clamping mechanism and the corresponding mold, the gap between the push plate and the template A pressure capsule is disposed in the gap, and the pressure capsule is prepared from a resilient plastic material, and a metal interface of the pressure vessel is connected to a hydraulic device that is filled with a pressure medium in the pressure capsule.
  • the pressure bladder and the push plate have a ring structure in consideration of compatibility with the original equipment.
  • the pressure bladder is designed as a ring structure, so that the ejector mechanism can eject the product according to the original route; or the injection mechanism can be fired according to the original route.
  • the pressure capsule has a circular annular structure, and the ratio of the outer diameter of the pressure capsule to the height of the gap is 20-300.
  • the pressure bladder and the gap are designed to be flat, which can better match the structure of the original equipment and the space use of the original equipment, and the flat structure is larger than the other structures, and the service life after the pressure is better.
  • the height of the void is 5-30 mm ; the thickness of the bladder wall of the pressure bladder is 1.5-8.0 mm ; this size can better match the space use of the existing injection machine, die casting machine or press .
  • the pressure bladder includes a first wall and a second wall adapted to a cross section of the pressure bladder; the circumference of the first wall is folded inwardly and the second wall
  • the peripheral edges are bonded, that is, the outer wall of the periphery of the first wall sheet is superposed and adhered to the inner wall of the periphery of the second wall sheet.
  • the surface of the bonding portion of the first wall piece and the second wall piece is uneven; thus the adhesive can penetrate better into each wall piece. Inside, the firmness after bonding is better.
  • the pressure required for the clamping is generally high, when the pressure medium is filled into the pressure medium, the pressure medium has a tendency to flow toward the matching gap between the push plate and the template, and this tendency acts on the wall of the pressure capsule.
  • the effect of shear forces In order to counteract or avoid the shearing force, as a modification of the above solution, the push plate is provided with an annular groove on the surface of the template.
  • the longitudinal section of the groove is curved, and the structure has a good buffering effect on pressure.
  • the groove has a maximum depth of 1.0 mm.
  • Pressure capsule Preferably, the distance of the groove from the edge of the push plate is 0.5-1.0 mm.
  • the gap between the two mating end faces of the template and the push plate may be slightly different, that is, the matching gap of the lower end surface is smaller than the upper end surface.
  • the matching gap between the push plates and the stencil, the wear between the lower end faces is more serious, and the fit between the upper end faces is larger, and in severe cases, the pressure on the pressure sac wall is increased when punching Shearing effect.
  • the push plate and the template are provided with a limiting post for guiding, the limiting post is disposed in the push plate and the template and is not associated with the pressure capsule Contact, through the limit column to counter gravity.
  • the pressure device for clamping mold provided by the present invention is used in conjunction with the clamping mechanism on the related equipment, which overcomes the disadvantages of complicated structure, high cost, low efficiency and easy oil leakage of the hydraulic clamping mechanism; It also overcomes the defects that the clamping force of the toggle-type clamping mechanism is difficult to control, low precision, easy to wear and short in life.
  • the invention provides a push plate and a pressure capsule between the template and the mold of the clamping mechanism to replace the clamping function of the existing hydraulic and toggle-type clamping mechanism, the step-up speed is fast, the manufacturing cost is low, and the use is convenient. Low energy consumption and long service life.
  • DRAWINGS 1 is a schematic perspective structural view of a state of use according to an embodiment of the present invention
  • Figure 2 is a transverse cross-sectional view of Figure 1;
  • Figure 3 is a cross-sectional view of a pressure bladder in accordance with an embodiment of the present invention. detailed description
  • the pressure device for the mold clamping is described by taking an injection machine as an example.
  • the clamping device is disposed between the mold 1 and the template 2 of the clamping mechanism.
  • the clamping mechanism includes three templates, one is a rear template, and the other is a moving template. Template, one is the template. When working, usually the template is not moved, and the moving template moves back and forth.
  • the pressure device provided in this embodiment may be disposed between the movable template and the mold 1, or may be disposed between the fixed template and the mold, and the fixed template and the movable template are collectively referred to as a template.
  • the push plate 3 is disposed between the template 2 and the mold 1, and may also divide the template of the clamping mechanism on the original device into two, one for pushing the plate and the other for the template.
  • the push plate 3 and the template 2 in this embodiment have a concavo-convex structure that cooperates with each other.
  • the gap 6 between the push plate 3 and the die plate 2 is set at the corresponding uneven position, and the height of the gap 6 in this embodiment is 8 mm.
  • the surface of the push plate 3 opposite to the template 2 is provided with two annular grooves 31 near the outer peripheral edge and the inner peripheral edge of the push plate.
  • the longitudinal cross section of the groove 31 is curved, and the maximum depth of the groove 31 is l. Omm, the edge of the groove is 0.8 mm from the edge of the push plate 3.
  • the pressure bladder 4 is made of a resilient plastic material, including a first wall 41 and a second wall 42 of an annular structure.
  • the first wall piece 41 and the second wall piece 42 have an outer diameter of 260 mm, an inner diameter of 100 mm, and a wall thickness of 3 mm.
  • the outer wall of the periphery of the first wall piece 41 and the inner wall of the periphery of the second wall piece 42 are roughened with a trowel, even if the surfaces of the two portions are uneven, and then the adhesive is applied to the two portions, and the first wall is coated with an adhesive.
  • the outer wall of the 41-degree periphery is superposed and bonded to the inner wall of the periphery of the second wall panel 42.
  • the bonded pressure bladder 4 has a circular annular structure. An oil hole is formed in the wall of the first wall 41, and a metal interface 44 is disposed in the oil hole.
  • the metal interface 44 in this embodiment includes a socket 441 having a "T" shape in cross section and a bolt 442 screwed to the socket 441; the wall of the first wall 41 is located between the base of the nozzle and the bolt.
  • This structure enables the metal interface 44 to be mounted to the pressure bladder 4, while the bladder wall of the pressure bladder 4 again seals the metal interface 44.
  • the limiting post 5 is provided with four strips in the embodiment, which are disposed in the push plate 3 and the template 2 and are not in contact with the pressure capsule 4.
  • the limiting post 5 mainly functions as a guiding push plate 3 and an offset push plate 3 and a template 2 The effect of gravity friction between. Both ends of the limiting post 5 can be fixed at a suitable position on the injection machine; when the pull rod of the injection molding mechanism is used as the limiting post, the oil outlet of the hydraulic system is connected with the metal interface 44. After the mold is closed, the hydraulic system is turned on to fill the pressure bladder 4, and since the internal volume of the pressure bladder 4 is small, the pressure bladder 4 is quickly boosted.
  • the pressure bladder 4 is inflated, pushing the push plate 3 to apply pressure to the mold and holding the pressure, thereby locking the mold.
  • the presence of the groove 31 effectively buffers the shearing action of the oil injection jet to the gap between the template 2 and the end faces of the push plate 3, thereby avoiding the shear force on the wall of the pressure capsule 4.
  • the damage ensures the safety of use and prolongs the service life of the pressure capsule 4; and the effect of the first wall piece 41 and the second wall piece 42 being superimposed and bonded is under pressure, and the two are more firmly bonded, further The safety and safety of the pressure bladder 4 are guaranteed.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Supply Devices, Intensifiers, Converters, And Telemotors (AREA)

Abstract

本发明涉及一种锁模用压力装置，包括设置在合模机构的模板和对应模具之间的推板，所述推板和模板之间具有空隙，该空隙内设有一压力囊，该压力囊采用具有弹性的塑胶材质制备，并且压力囊的侧壁上设有与向该压力囊内充加压力介质的液压设备相连接的金属接口。与现有技术相比较，本发明所提供的锁模用压力装置配合相关设备上的合模机构使用，克服了液压式合模机构结构复杂、成本高、效率低和易漏油的缺点；同时也克服了曲轴式合模机构锁模力难以控制、精度低、易磨损和寿命短的缺陷。

Description

一种锁模用压力装置
技术领域
本发明涉及一种压力装置， 具体指一种锁模用压力装置。 背景技术
在工业成型领域，例如塑料注射成型、金属压铸成型以及其它产品需要模压或压实 等工序均需要在一定压力下操作， 通常采用锁模机构来给这些工序提供并保持压力。 目 前使用的锁模机构通常有两种， 一种是全液压式锁模机构， 另一种是肘杆机械式锁模机 构。
全液压式锁模机构通过安装在机器模板上的油缸推动动模板，将模具推向定模板方 向合模， 最终通过建立油缸内油液的高压来把模具锁紧。 由于要保证模具锁紧的作用力 很大， 使得所需油缸体积庞大， 成本很高， 同时油缸体积大， 充液困难， 效率低， 制作 困难， 且易泄漏。
肘杆式锁模机构是由锁模油缸和两个对称的曲肘边杆机构组成，在锁模时，移模油 缸进高压油推动十字头将曲肘连杆撑直， 系统产生弹性变形达到锁模力。 由于锁模力是 通过系统弹性变形而达成， 因此锁模力不精确， 不同成型周期的锁模力调整困难， 同一 成型周期内的锁模力不能调整， 并且这种机械式的锁模机构比较难润滑， 容易损坏， 使 用寿命短。 发明内容
本发明所要解决的技术问题是针对现有技术的现状提供一种能够替代传统的液压 油缸用于机器锁模机构的锁模功能且锁模力容易调整、不会泄漏且成本低的锁模用压力 装置。
本发明解决上述技术问题所采用的技术方案为：该锁模用压力装置，其特征在于包 括设置在锁模机构的模板和对应模具之间的推板， 所述推板和模板之间具有空隙， 该空 隙内设有一压力囊， 该压力囊采用具有弹性的塑胶材质制备， 并且所述压力囊的侧壁上 设有与向该压力囊内充加压力介质的液压设备相连接的金属接口。
考虑到与原有设备的配合性，所述的压力囊和推板呈环状结构。将压力囊设计为环 状结构， 方便顶出机构能按原路线顶出产品； 或注射机构按原路线射出
所述的压力囊呈圆形环状结构， 并且该压力囊的外径与所述空隙的高度之比为 20-300。 将压力囊和空隙设计为扁平状， 能够更好的配合原有设备的结构以及原有设备 的空间使用， 并且扁平状结构较之其它结构， 有效面积大且承压后的使用寿命更好。
较好的， 所述空隙的高度为 5-30mm; 所述压力囊的囊壁的厚度为 1.5-8.0mm; 这 个尺寸能更好的配合现有的注射机、 压铸机或压力机的空间使用。
作为上述方案的改进，所述的压力囊包括与该压力囊的横截面相适配的第一壁片和 第二壁片； 所述第一壁片的周缘向内折叠后与第二壁片的周缘相粘接， 即所述第一壁片 周缘的外壁叠合粘接在所述第二壁片周缘的内壁上。 该结构方便压力囊的制造， 并且周 缘叠合后粘接能够在冲压的时候避开压力介质对边缘缝隙的直接冲击，有效保证使用的 安全性和压力囊的使用寿命， 而且冲压后在保压过程中可以使叠合部分压的更紧， 粘接 更牢固。
为了保证第一壁片和第二壁片的粘接，所述第一壁片和所述第二壁片相粘接部分的 表面凹凸不平； 这样粘结剂能够更好地渗透到各个壁片内， 粘接后的牢固性更好。
由于锁模所要求的压力通常较高，在向压力囊内充注压力介质时，压力介质具有向 推板与模板的配合间隙方向流动的趋势，而这个趋势对压力囊的囊壁起到一个剪切力的 作用。 为了抵消或避免该剪切力， 作为上述方案的改进， 所述推板对向所述模板的表面 上设有环状凹槽。
较好的， 所述凹槽的纵截面为弧形， 该结构对压力的缓冲效果好。
所述凹槽的最大深度为 1.0mm。
从理论上来说，凹槽距离推板边缘的距离越小要好，但凹槽不能和推板的圆周形成 锐角， 当距离为零时， 凹槽的面和推板的配合圆周形成的锐角会破坏压力囊。 较好的， 所述凹槽距离所述推板边缘的距离为 0.5-1.0mm。
对于锁模机构横向运动的设备， 由于锁模机构的模板以及推板自身的重力作用，因 此模板与推板两个配合端面之间的空隙会稍有不同， 即下端面的配合间隙小于上端面之 间的配合间隙， 这样， 推板和模板之间相对运动时， 下端面之间的磨损较严重， 而上端 面之间的配合间隙更大， 严重时会加重冲压时压力对压力囊囊壁的剪切作用。 为了避免 这种情况的出现， 所述推板和所述模板上设有导向用的限位柱， 该限位柱穿设在所述推 板和所述模板内且与所述的压力囊不接触， 通过限位柱来对抗重力。
与现有技术相比较，本发明所提供的锁模用压力装置配合相关设备上的合模机构使 用， 克服了液压式锁模机构结构复杂、 成本高、 效率低和易漏油的缺点； 同时也克服了 曲肘式合模机构锁模力难以控制、 精度低、 易磨损和寿命短的缺陷。 本发明在锁模机构 的模板和模具之间设置推板和压力囊来替代现有的液压式和肘杆式锁模机构的锁模功 能， 升压速度快， 并且制造成本低， 使用方便， 能耗小， 使用寿命长。 附图说明 图 1为本发明实施例使用状态的立体结构示意图;
图 2为图 1的横向剖视图；
图 3为本发明实施例中压力囊的剖视图。 具体实施方式
以下结合附图实施例对本发明作进一步详细描述。
本实施例以注射机为例来说明该锁模用压力装置。
如图 1至图 3所示，该锁模用压力装置设置在模具 1和锁模机构的模板 2之间；现 有技术中， 锁模机构包括有三块模板， 一是后模板， 一是动模板， 一是定模板。工作时， 通常定模板不动， 动模板来回运动。本实施例所提供的压力装置可以设置在动模板与模 具 1之间， 也可以设置在定模板与模具之间， 将定模板和动模板统称为模板。
本实施例中的压力装置包括：
推板 3， 设置在模板 2和模具 1之间， 也可以是将原有设备上的锁模机构的模板一 分为二， 一部分做推板， 另一部分做模板。本实施例中的推板 3和模板 2呈相互配合的 凹凸形结构。 推板 3和模板 2之间的空隙 6设置在对应的凹凸位置， 本实施例中空隙 6 的高度为 8mm。 推板 3对向模板 2的表面上靠近推板的外周缘和内周缘位置设有两个 环状凹槽 31 , 该凹槽 31的纵截面为弧形， 凹槽 31的最大深度为 l .Omm, 凹槽的边缘 距离推板 3边缘的距离为 0.8mm。
压力囊 4， 采用具有弹性的塑胶材料制造， 包括圆环状结构的第一壁片 41和第二 壁片 42。 第一壁片 41和第二壁片 42的外径为 260mm， 内径为 100mm, 壁厚为 3mm。 将第一壁片 41周缘的外壁和第二壁片 42周缘的内壁用锉刀打磨使之粗糙， 即使这两部 分表面凹凸不平， 然后在这两部分上涂抹上胶粘剂， 用胶粘剂将第一壁片 41周缘的外 壁叠合粘接在第二壁片 42周缘的内壁上。 粘接后的压力囊 4为圆形环状结构。 第一壁 片 41的囊壁上设有油孔， 油孔内设有金属接口 44。
本实施例中的金属接口 44包括截面为 "T"字形的接管 441和螺接在接管 441上 的螺栓 442; 第一壁片 41 的囊壁位于接管的底座和螺栓之间。 该结构即能将金属接口 44安装到压力囊 4上， 同时， 压力囊 4的囊壁对该金属接口 44又起到密封作用。
限位柱 5， 本实施例中设有四条， 穿设在推板 3和模板 2内且与压力囊 4不接触， 限位柱 5主要起到导向推板 3和抵消推板 3和模板 2之间重力摩擦的作用。限位柱 5的 两端可以固定在注射机上适合的位置上；也可以使用注射机合模机构的拉杆作为限位柱 使用时， 将液压系统的出油口与金属接口 44相连接。 合模后， 开启液压系统， 向 压力囊 4内注油， 由于压力囊 4内部容积很小， 所以压力囊 4升压很快。 冲液后， 压力 囊 4膨胀， 推动推板 3向模具施压并保压， 从而锁紧模具。 压力囊 4冲油升压过程中， 凹槽 31的存在有效缓冲了注油喷向模板 2与推板 3两 端面之间缝隙的剪切作用， 避免了该剪切力对压力囊 4囊壁的破坏， 保证了使用安全， 延长了压力囊 4的使用寿命；而第一壁片 41和第二壁片 42叠合粘接的效果则是在压力 作用下， 两者粘接的更加牢固， 进一步保证了使用安全和压力囊 4的使用寿命。

Claims

权 利 要 求
1、 一种锁模用压力装置， 其特征在于： 包括设置在锁模机构的模板 (2)和对应模具 (1)之间的推板 (3)，所述推板 (3)和模板 (2)之间具有空隙 (6)，该空隙 (6)内设有一压力囊 (4)， 该压力囊 (4)采用具有弹性的塑胶材质制备， 并且所述压力囊 (4)的侧壁上设有与向该压 力囊 (4)内充加压力介质的液压设备相连接的金属接口 (44)。
2、 根据权利要求 1所述的锁模用压力装置， 其特征在于： 所述的压力囊 (4)和推板 (3)呈环状结构。
3、 根据权利要求 2所述的锁模用压力装置， 其特征在于： 所述的压力囊 (4)呈圆形 环状结构， 并且该压力囊 (4)的外径与所述空隙 (6)的高度之比为 20-300。
4、 根据权利要求 3 所述的锁模用压力装置， 其特征在于： 所述空隙 (6)的高度为 5-30mm; 所述压力囊 (4)的囊壁的厚度为 1.5-8.0mm。
5、 根据权利要求 1至 4任一权利要求所述的锁模用压力装置， 其特征在于： 所述 推板 (3)和所述模板 (2)上设有导向用的限位柱 (5)， 该限位柱 (5)穿设在所述推板 (3)和所述 模板 (2)内。
6、 根据权利要求 5所述的锁模用压力装置， 其特征在于： 所述的压力囊 (4)包括与 该压力囊 (4)的横截面相适配的第一壁片 (41)和第二壁片 (42);所述第一壁片 (41)的周缘向 内折叠后与第二壁片 (42)的周缘相粘接， 即所述第一壁片 (41)周缘的外壁叠合粘接在所 述第二壁片 (42)周缘的内壁上。
7、 根据权利要求 6所述的锁模用压力装置， 其特征在于： 所述推板 (3)对向所述模 板 (2)的表面上靠近所述推板 (3)的边缘位置设有环状凹槽 (31)。
8、 根据权利要求 7所述的锁模用压力装置， 其特征在于： 所述凹槽 (31)的纵截面 为弧形。
9、 根据权利要求 8所述的锁模用压力装置， 其特征在于： 所述凹槽 (31)的最大深 度为 1.0mm。
10、 根据权利要求 7所述的锁模用压力装置， 其特征在于： 所述凹槽 (31)距离所述 推板 (3)边缘的距离为 0.5-1.0mm。
PCT/CN2012/000866 2011-06-28 2012-06-25 一种锁模用压力装置 WO2013000274A1 (zh)

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CN102241120B (zh) * 2011-06-28 2014-05-07 陈国永 一种锁模用压力装置
CN104029360B (zh) * 2014-05-12 2016-03-16 陈国永 一种锁模用压力装置
CN104210078B (zh) * 2014-08-15 2016-10-12 宁波通用塑料机械制造有限公司 一种合模机构
CN104260296B (zh) * 2014-08-18 2016-07-06 宁波通用塑料机械制造有限公司 一种注塑机合模装置
CN111136236B (zh) * 2020-01-20 2020-09-01 宜宾职业技术学院 一种压铸模具自动锁紧机构
CN112848172B (zh) * 2021-01-19 2022-04-22 华南理工大学 一种高速精密注射机的轻量化等静压柔性锁模机构及方法
CN114808959A (zh) * 2022-06-24 2022-07-29 徐州威聚电子材料有限公司 一种光伏板大型安装架预置式基础放撤装置

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