WO2009071002A1 - Electrical mold clamping assembly - Google Patents

Electrical mold clamping assembly Download PDF

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Publication number
WO2009071002A1
WO2009071002A1 PCT/CN2008/072711 CN2008072711W WO2009071002A1 WO 2009071002 A1 WO2009071002 A1 WO 2009071002A1 CN 2008072711 W CN2008072711 W CN 2008072711W WO 2009071002 A1 WO2009071002 A1 WO 2009071002A1
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WIPO (PCT)
Prior art keywords
template
hinged
connecting rod
curved
hand
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PCT/CN2008/072711
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French (fr)
Chinese (zh)
Inventor
Chih-Shiang Han
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Individual
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Individual
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Classifications

    • 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
    • B29C45/66—Mould opening, closing or clamping devices mechanical
    • B29C45/661—Mould opening, closing or clamping devices mechanical using a toggle mechanism for mould 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
    • 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
    • B29C2045/1784—Component parts, details or accessories not otherwise provided for; Auxiliary operations not otherwise provided for
    • B29C2045/1792—Machine parts driven by an electric motor, e.g. electric servomotor
    • B29C2045/1794—Machine parts driven by an electric motor, e.g. electric servomotor by a rotor or directly coupled electric motor, e.g. using a tubular shaft motor

Definitions

  • the invention relates to a clamping device for opening and closing a mold of an injection molding machine.
  • the clamping device of the existing injection molding machine is mostly a hydraulic clamping mechanism, and the hydraulic cylinder is used to push the mechanical mechanism to complete the opening and closing of the mold.
  • the base plate is hinged with the connecting rod of the clamping mechanism, and a nut is arranged on the rear plate.
  • the screw rod is matched with the nut, and the front end of the screw rod is connected with the clamping mechanism, and the rear end of the screw rod It is driven by the motor through the pulley mechanism.
  • the screw rod due to the pushing of the nut, the forward or backward movement occurs, and the mechanical mechanism of the clamping mechanism is driven.
  • FIG. 2 Another structural form of the electric clamping device is shown in FIG. 2: the rear plate is hinged with the connecting rod of the clamping mechanism, and a nut is mounted on the clamping mechanism, and the screw provided on the rear plate is matched with the nut.
  • the lead screw is driven by the motor through the pulley drive mechanism.
  • the screw rotates, the nut advances and retreats on the screw, which drives the clamping mechanism to open or close the mold.
  • Its disadvantage The screw is fixed and affects the mold opening. In order to clamp the mold, the screw rod needs to be kept at a considerable length, and when the mold is opened, the mechanical mechanism is retracted, and it is easy to resist the front end of the screw rod, and the mold opening stroke is restricted, and it is impossible to make a large product.
  • the disadvantages of complex transmission mechanism, high energy consumption, poor accuracy and short life are also present.
  • the invention solves the defects of the complicated mechanism, low energy efficiency and poor precision of the prior electric clamping device, and provides an electric clamping device with compact structure, favorable precision control and high energy efficiency.
  • the electric clamping device of the present invention comprises a clamping mechanism, the clamping mechanism comprises a frame, a rear template, a moving template for mounting the moving mold, and a front template for mounting the fixed mold, the moving template And the rear template can be relatively closed and separated, and the front part of the lead screw is connected to the clamping mechanism, wherein: the driving mechanism of the screw is an outer rotor permanent magnet servo motor, and the outer rotor permanent magnet servo motor The rotor is coupled to the nut, and the nut is engaged with the lead screw.
  • the driving mechanism of the screw is an outer rotor permanent magnet servo motor
  • the outer rotor permanent magnet servo motor The rotor is coupled to the nut, and the nut is engaged with the lead screw.
  • the rotor of the outer rotor permanent magnet servo motor is disposed on the rear die plate through a bearing, the screw rod passes through the rear die plate, and the rotor of the outer rotor permanent magnet servo motor is the same as the nut and the screw rod
  • the shaft arrangement, the stator of the outer rotor permanent magnet servo motor is connected to the outer casing, and the outer casing is connected to the rear template.
  • the outer rotor permanent magnet servo motor is disposed on the frame or the rear plate by a bracket, and the screw is connected from the side of the mold clamping mechanism.
  • the screw driving mechanism of the invention is compact and simple, and the nut is directly connected with the rotating shell motor, avoiding It avoids the energy loss caused by the transmission stage and improves the energy efficiency ratio, which is also conducive to the precise control of the screw process.
  • the advantages of the invention are: compact and simple structure, high energy efficiency ratio, and precise mold clamping stroke control.
  • FIG. 1 is a structural view of a conventional electric mold clamping device.
  • FIG. 2 is a structural view of another conventional electric clamping device.
  • Figure 3 is a schematic view showing the structure of the first aspect of the present invention.
  • Fig. 4 is a schematic structural view of the second embodiment of the present invention.
  • Figure 5 is a schematic view showing the structure of the third embodiment of the present invention.
  • Figure 6 is a schematic view showing the structure of the fourth aspect of the present invention.
  • Figure 7 is a schematic view showing the structure of the fifth aspect of the present invention.
  • Figure 8 is a schematic view showing the structure of the sixth aspect of the present invention.
  • the electric clamping device of the present invention comprises a clamping mechanism, the clamping mechanism comprising a rear die plate 10, a moving template 15 for mounting the movable die, and a front die plate 16 for mounting the fixed die 18,
  • the moving template 15 and the front template 16 can be relatively closed and separated.
  • the lead screw 8 passes through the rear die plate 10, and the front end of the screw bar 8 is connected to the crossover wall 14 of the mold clamping mechanism.
  • the rear die plate 10 is provided with an outer rotor permanent magnet servo motor as a driving mechanism of the screw rod, and the rotor 3 of the outer rotor permanent magnet servo motor is connected with a nut 9 that cooperates with the screw rod 8.
  • the lead screw 8 is a ball screw
  • the nut 9 is a ball nut.
  • the rotor 3 of the outer rotor permanent magnet servo motor is disposed on the rear die plate 10 through the tapered roller bearing 2, and the rotor 3 of the outer rotor permanent magnet servo motor is coaxially arranged with the nut 9 and the screw rod 8.
  • the stator 6 of the outer rotor permanent magnet servo motor is connected to the outer casing 7, and the outer casing 7 is connected to the rear die plate 10.
  • a magnet 4 is mounted on the rotor 3, and a coil 5 is wound around the stator 6 made of a silicon steel sheet.
  • the bearing housing 1 for mounting the tapered roller bearing 2 is fixed to the rear die plate 10.
  • the rear template 10, the moving template 15 and the front template 16 are all placed on the horizontal tie rods.
  • the clamping mechanism includes: a toggle link mechanism, the rear template 10 hinges the rear end of the pair of elbows 11 symmetrically up and down, and the front end of the elbow hand 11 simultaneously with the cranklet 12 and the crank
  • the rear end of the large connecting rod 13 is hinged, and the other ends of the two curved small connecting rods 12 are symmetrically hinged at both ends of the crossover wall 14, and the front ends of the two curved large connecting rods 13 are symmetrically hinged at the upper and lower ends of the moving template 15. .
  • the rotor 3 is fixed together with the ball screw nut 9.
  • the clamping motor When the clamping motor is positively energized, the rotor rotates clockwise. Because the screw nut 9 only rotates, the screw 8 is translated, and the screw 8 is rotated. It will protrude from the shaft end.
  • the lead screw 8 is translated with the crossover wall 14, and the crossover wall 14 drives the movable die plate 15 to move along the tie rod 19 through the toggle link mechanism to generate the action of clamping the molds 17, 18;
  • the die motor is negatively charged, the rotor rotates counterclockwise.
  • the screw rod 8 will be retracted from the shaft end of the motor, and the screw rod drives the cross-car wall 14 to make a translation. At this time, the cross-car wall drives the template 15 along the tension rod 19 through the toggle link mechanism.
  • the translation creates an action of opening the molds 17, 18.
  • the screw driving mechanism of the invention is compact and simple, and the nut is directly connected with the outer rotor permanent magnet servo motor, thereby avoiding the energy loss caused by the transmission stage, improving the energy efficiency ratio, and also facilitating the precise control of the screw process.
  • Embodiment 2
  • the clamping mechanism of the embodiment includes: the rear template 10, the moving template 15 and the front template 16 are all sleeved on the horizontal rod; the crossbar wall 141, the rear template 10, and the movable template 15 are connected symmetrically with the toggle mechanism
  • the connecting rod 21 is hinged at the end and the rear template 10, the other end of the connecting rod 21 is hinged with the curved large connecting rod 131, and the middle portion of the connecting rod 21 is hinged with the curved small connecting rod 121, and the curved small connecting rod 121
  • the other end is hinged to the cross body wall 141, and the front end of the crank large link 131 is hinged to the moving die plate 15.
  • the difference between this embodiment and the first embodiment is a mold clamping mechanism, and the rest is the same as that of the first embodiment.
  • the clamping mechanism of the embodiment includes: the rear template 10, the moving template 15 and the front template 16 are all sleeved on the horizontal rod; the cross-wall 142, the rear template 10, and the movable template 15 are symmetrically connected with a double elbow
  • the mechanism includes a "T" shaped connecting plate 22 hinged at the end and the rear die plate 10, and the other end of the connecting plate 22 is hinged to the curved large connecting rod 132, and the handle of the connecting plate 22 is hinged to the curved small connecting rod 122.
  • the other end of the crank small link 122 is hinged to the cross body wall 142, and the front end of the crank large link 132 is hinged to the moving die plate 15.
  • the clamping mechanism of the embodiment the rear template 10, the moving template 15 and the front template 16 are all sleeved on the horizontal rod, and the double bending mechanism is connected vertically between the template 10 and the movable template 15, and the two walls of the vehicle wall 143 are connected.
  • the end is hinged at the hinge of the elbow hand 113 and the curved hand large link 133.
  • the outer rotor permanent magnet servo motor is disposed on the frame or the rear plate 10 through the bracket 23, and the screw rod 83 is hinged from the side of the mold clamping mechanism to the hinge of the elbow hand 113 and the crank lever Dalian 133.
  • the rear template 10, the moving template 15 and the front template 16 are all sleeved on the horizontal rod, and the single-bend mechanism is connected vertically between the template 10 and the movable template 15.
  • the single elbow mechanism includes an elbow arm 114 and a curved hand connecting rod 134 which are hinged to each other.
  • the rear end of the elbow arm 114 is hinged with the rear template 10, and the front end of the curved large connecting rod 134 is hinged to the vehicle wall 144.
  • An adjustment device 24 is connected between the 14 and the movable platen 15.
  • the outer rotor permanent magnet servo motor is disposed on the frame or the rear plate 10 through a bracket, and the wire rod 84 is hinged from the side of the mold clamping mechanism to the hinge of the elbow hand 114 and the curved hand connecting rod 134.
  • the clamping mechanism of the embodiment is: the rear template 10, the moving template 15 and the front template 16 are all sleeved on the horizontal rod; the cross arm wall 145, the rear template 10, and the movable template 15 are connected symmetrically with the double elbow
  • the mechanism comprises a connecting plate 20 hinged at the rear end and the rear template 10, the small connecting rod 125 of the curved hand is hinged to the lower part of the connecting plate 20, and the large connecting rod 135 is hinged to the front end of the connecting plate, and the small connecting rod 125 of the curved hand
  • the other end is hinged to the cross body wall 145, and the front end of the crank large link 135 is hinged to the moving die plate 15.

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

Abstract

Disclosed herein is an electrical mold clamping assembly with a mold closing mechanical structure comprising a frame, a back mold plate (10), a moving mold plate (15) for fitting a moving mold (17) and a front mold plate (16) for fitting a fixed mold (18). The moving mold plate (15) and the back mold plate (10) can be opened and closed face to face. The front end of a screw spindle (8) is connected to the mold closing mechanical structure. A rotor (3) of an outer rotor permanent magnet servomotor as a driving assembly of the screw spindle (8) is connected with a screw spindle nut (9) meshed with the screw spindle (8).

Description

说 明 书  Description

电动锁模装置  Electric clamping device

(一） 技术领域 (1) Technical field

本发明涉及一种注塑机开、 关模具用的锁模装置。  The invention relates to a clamping device for opening and closing a mold of an injection molding machine.

(二） 背景技术  (2) Background technology

现有注塑机的锁模装置多为液压锁模机构， 采用液压油缸推动 机械机构， 完成模具的开合。  The clamping device of the existing injection molding machine is mostly a hydraulic clamping mechanism, and the hydraulic cylinder is used to push the mechanical mechanism to complete the opening and closing of the mold.

也有电动锁模装置如图 1所示， 基板与合模机械机构的连杆铰 接， 在后模板上设置螺母， 丝杆与该螺母配合， 丝杆前端连接合模 机械机构， 丝杆的后端通过皮带轮机构由电机带动。丝杆在旋转过程 中， 因螺母的推动， 产生前进或后退， 带动合模机械机构动作。这种 电动锁模装置的缺点是： 对丝杆的传动部分的结构比较复杂， 需要 对运动中的丝杆传递扭矩， 这就要开长键槽， 所引起的摩擦消耗很 大； 其次， 皮带轮传动方式不可避免有打滑现象， 不利于合模进程 的精确控制， 当需要用伺服电机对合模进程精确控制时这一缺点变 得相当明显； 再次， 传动机构庞大复杂， 不够紧凑， 多级传动反而 引起能源效率降低。  There is also an electric clamping device as shown in Fig. 1. The base plate is hinged with the connecting rod of the clamping mechanism, and a nut is arranged on the rear plate. The screw rod is matched with the nut, and the front end of the screw rod is connected with the clamping mechanism, and the rear end of the screw rod It is driven by the motor through the pulley mechanism. During the rotation of the screw rod, due to the pushing of the nut, the forward or backward movement occurs, and the mechanical mechanism of the clamping mechanism is driven. The disadvantage of this electric clamping device is that the structure of the transmission part of the screw rod is complicated, and it is necessary to transmit torque to the moving screw rod, which requires opening the keyway, and the friction caused by the friction is large; secondly, the pulley transmission The method is inevitably slippery, which is not conducive to the precise control of the clamping process. This shortcoming becomes quite obvious when it is necessary to use the servo motor to precisely control the clamping process. Again, the transmission mechanism is large and complicated, not compact enough, and the multi-stage transmission instead Causes a reduction in energy efficiency.

另一种电动锁模装置的结构形式如图 2所示： 后模板与合模机 械机构的连杆铰接， 在合模机械机构上安装螺母， 设置在后模板上 的丝杆与该螺母配合， 丝杆通过皮带轮传动机构由电动机带动。当丝 杆转动时螺母在丝杆上进退， 带动合模机械机构开模或合模。其缺点 是丝杆固定不动， 影响开模。为了合模需要将丝杆保持相当长度， 而 当开模时机械机构后退， 容易与丝杆前端抵触， 开模行程受限制， 不能做大件制品。此外， 传动机构复杂、能耗大、精确度差、寿命短的 缺点也同样存在。 Another structural form of the electric clamping device is shown in FIG. 2: the rear plate is hinged with the connecting rod of the clamping mechanism, and a nut is mounted on the clamping mechanism, and the screw provided on the rear plate is matched with the nut. The lead screw is driven by the motor through the pulley drive mechanism. When the screw rotates, the nut advances and retreats on the screw, which drives the clamping mechanism to open or close the mold. Its disadvantage The screw is fixed and affects the mold opening. In order to clamp the mold, the screw rod needs to be kept at a considerable length, and when the mold is opened, the mechanical mechanism is retracted, and it is easy to resist the front end of the screw rod, and the mold opening stroke is restricted, and it is impossible to make a large product. In addition, the disadvantages of complex transmission mechanism, high energy consumption, poor accuracy and short life are also present.

(三） 发明内容  (3) Invention content

本发明要解决现有电动锁模装置机构复杂、 能效低、精确度差的 缺点， 提供一种结构紧凑、有利于精确控制和能效高的电动锁模装置。  The invention solves the defects of the complicated mechanism, low energy efficiency and poor precision of the prior electric clamping device, and provides an electric clamping device with compact structure, favorable precision control and high energy efficiency.

本发明所述的电动锁模装置包括合模机械机构， 所述的合模机 械机构包括机架、后模板、用于安装动模的移动模板和安装定模的前 模板， 所述的移动模板和后模板可相对合拢和分开， 丝杆前部连接 所述的合模机械机构， 其特征在于： 丝杆的驱动机构是外转子永磁 式伺服电机， 所述的外转子永磁式伺服电机的转子连接螺母， 所述 的螺母与所述的丝杆啮合。  The electric clamping device of the present invention comprises a clamping mechanism, the clamping mechanism comprises a frame, a rear template, a moving template for mounting the moving mold, and a front template for mounting the fixed mold, the moving template And the rear template can be relatively closed and separated, and the front part of the lead screw is connected to the clamping mechanism, wherein: the driving mechanism of the screw is an outer rotor permanent magnet servo motor, and the outer rotor permanent magnet servo motor The rotor is coupled to the nut, and the nut is engaged with the lead screw.

进一步， 所述的外转子永磁式伺服电机的转子通过轴承设置在 后模板上， 丝杆穿过所述的后模板， 外转子永磁式伺服电机的转子 与所述的螺母、丝杆同轴布置， 外转子永磁式伺服电机的定子连接外 壳， 外壳连接所述的后模板。  Further, the rotor of the outer rotor permanent magnet servo motor is disposed on the rear die plate through a bearing, the screw rod passes through the rear die plate, and the rotor of the outer rotor permanent magnet servo motor is the same as the nut and the screw rod The shaft arrangement, the stator of the outer rotor permanent magnet servo motor is connected to the outer casing, and the outer casing is connected to the rear template.

或者， 所述的外转子永磁式伺服电机通过支架设置在机架或后 模板上， 丝杆从所述的合模机械机构的侧面连接。  Alternatively, the outer rotor permanent magnet servo motor is disposed on the frame or the rear plate by a bracket, and the screw is connected from the side of the mold clamping mechanism.

当外转子永磁式伺服电机通电旋转时， 螺母旋转， 驱动丝杆前 进或后退。 丝杆牵动合模机械机构， 完成开模或合模。  When the outer rotor permanent magnet servo motor is energized and rotated, the nut rotates to drive the lead screw forward or backward. The screw rod pulls the clamping mechanism to complete the mold opening or closing.

本发明丝杆驱动机构紧凑、简便， 螺母直接与转壳电机连接， 避 免了传动级多所引起的能源损耗， 提高能效比， 也有利于螺杆进程 的精确控制。 The screw driving mechanism of the invention is compact and simple, and the nut is directly connected with the rotating shell motor, avoiding It avoids the energy loss caused by the transmission stage and improves the energy efficiency ratio, which is also conducive to the precise control of the screw process.

本发明的优点是： 结构紧凑、简便， 能效比高， 合模行程控制精 确。  The advantages of the invention are: compact and simple structure, high energy efficiency ratio, and precise mold clamping stroke control.

(四） 附图说明  (4) Description of the drawings

图 1是现有电动锁模装置的结构图。 1 is a structural view of a conventional electric mold clamping device.

图 2是另一现有电动锁模装置的结构图。 2 is a structural view of another conventional electric clamping device.

图 3是本发明的方案一的结构示意图。 Figure 3 is a schematic view showing the structure of the first aspect of the present invention.

图 4是本发明的方案二的结构示意图。 Fig. 4 is a schematic structural view of the second embodiment of the present invention.

图 5是本发明的方案三的结构示意图。 Figure 5 is a schematic view showing the structure of the third embodiment of the present invention.

图 6是本发明的方案四的结构示意图。 Figure 6 is a schematic view showing the structure of the fourth aspect of the present invention.

图 7是本发明的方案五的结构示意图。 Figure 7 is a schematic view showing the structure of the fifth aspect of the present invention.

图 8是本发明的方案六的结构示意图。 Figure 8 is a schematic view showing the structure of the sixth aspect of the present invention.

(五） 具体实施方式 (5) Specific implementation methods

实施例一 Embodiment 1

参照图 3 Refer to Figure 3

本发明所述的电动锁模装置包括合模机械机构， 所述的合模机 械机构包括后模板 10、 用于安装动模 Π的移动模板 15和安装定模 18的前模板 16， 所述的移动模板 15和前模板 16可相对合拢和分开。 丝杆 8穿过所述的后模板 10， 丝杆 8前部连接所述的合模机械机构 的十字车壁 14。 后模板 10上装有外转子永磁式伺服电机作为丝杆的驱动机构， 所述的外转子永磁式伺服电机的转子 3连接与所述的丝杆 8配合的 螺母 9。 丝杆 8采用滚珠丝杆， 螺母 9采用滚珠螺母。 The electric clamping device of the present invention comprises a clamping mechanism, the clamping mechanism comprising a rear die plate 10, a moving template 15 for mounting the movable die, and a front die plate 16 for mounting the fixed die 18, The moving template 15 and the front template 16 can be relatively closed and separated. The lead screw 8 passes through the rear die plate 10, and the front end of the screw bar 8 is connected to the crossover wall 14 of the mold clamping mechanism. The rear die plate 10 is provided with an outer rotor permanent magnet servo motor as a driving mechanism of the screw rod, and the rotor 3 of the outer rotor permanent magnet servo motor is connected with a nut 9 that cooperates with the screw rod 8. The lead screw 8 is a ball screw, and the nut 9 is a ball nut.

所述的外转子永磁式伺服电机的转子 3通过圆锥滚子轴承 2设 置在后模板 10上， 外转子永磁式伺服电机的转子 3与所述的螺母 9、 丝杆 8同轴布置， 外转子永磁式伺服电机的定子 6连接外壳 7， 外壳 7连接所述的后模板 10。  The rotor 3 of the outer rotor permanent magnet servo motor is disposed on the rear die plate 10 through the tapered roller bearing 2, and the rotor 3 of the outer rotor permanent magnet servo motor is coaxially arranged with the nut 9 and the screw rod 8. The stator 6 of the outer rotor permanent magnet servo motor is connected to the outer casing 7, and the outer casing 7 is connected to the rear die plate 10.

转子 3上装有磁铁 4， 硅钢片材质的定子 6上绕有线圈 5。 用于 安装圆锥滚子轴承 2的轴承座 1固定在后模板 10上。  A magnet 4 is mounted on the rotor 3, and a coil 5 is wound around the stator 6 made of a silicon steel sheet. The bearing housing 1 for mounting the tapered roller bearing 2 is fixed to the rear die plate 10.

后模板 10、 移动模板 15和前模板 16都套在水平拉杆上。  The rear template 10, the moving template 15 and the front template 16 are all placed on the horizontal tie rods.

所述的合模机械机构包括： 一曲肘连杆机构， 后模板 10上下对 称地铰接一对肘曲手 11的后端， 肘曲手 11的前端同时与曲手小连 杆 12和曲手大连杆 13的后端铰接， 两个曲手小连杆 12的另一端对 称地铰接在十字车壁 14两端， 两个曲手大连杆 13的前端对称地铰 接在移动模板 15上下端。  The clamping mechanism includes: a toggle link mechanism, the rear template 10 hinges the rear end of the pair of elbows 11 symmetrically up and down, and the front end of the elbow hand 11 simultaneously with the cranklet 12 and the crank The rear end of the large connecting rod 13 is hinged, and the other ends of the two curved small connecting rods 12 are symmetrically hinged at both ends of the crossover wall 14, and the front ends of the two curved large connecting rods 13 are symmetrically hinged at the upper and lower ends of the moving template 15. .

转子 3与滚珠丝杆螺母 9固定在一起， 在锁模电机通上正电时， 转子作顺时针方向转动， 因丝杆螺母 9只作转动， 丝杆 8作平动， 这时丝杆 8将从轴端伸出。 丝杆 8是与十字车壁 14做平动， 此时十 字车壁 14通过曲肘连杆机构带动活动模板 15沿着拉杆 19作平动而 产生夹紧模具 17、 18的动作； 当在锁模电机通上负电时转子做逆时 针方向转动。 丝杆 8将从电机轴端缩入， 而丝杆带动十字车壁 14作 平动， 此时十字车壁通过曲肘连杆机构带动模板 15沿着拉杆 19做 平动产生打开模具 17、 18的动作。 The rotor 3 is fixed together with the ball screw nut 9. When the clamping motor is positively energized, the rotor rotates clockwise. Because the screw nut 9 only rotates, the screw 8 is translated, and the screw 8 is rotated. It will protrude from the shaft end. The lead screw 8 is translated with the crossover wall 14, and the crossover wall 14 drives the movable die plate 15 to move along the tie rod 19 through the toggle link mechanism to generate the action of clamping the molds 17, 18; When the die motor is negatively charged, the rotor rotates counterclockwise. The screw rod 8 will be retracted from the shaft end of the motor, and the screw rod drives the cross-car wall 14 to make a translation. At this time, the cross-car wall drives the template 15 along the tension rod 19 through the toggle link mechanism. The translation creates an action of opening the molds 17, 18.

本发明丝杆驱动机构紧凑、简便， 螺母直接与外转子永磁式伺服 电机连接， 避免了传动级多所引起的能源损耗， 提高能效比， 也有 利于螺杆进程的精确控制。 实施例二  The screw driving mechanism of the invention is compact and simple, and the nut is directly connected with the outer rotor permanent magnet servo motor, thereby avoiding the energy loss caused by the transmission stage, improving the energy efficiency ratio, and also facilitating the precise control of the screw process. Embodiment 2

参照图 4: Refer to Figure 4:

本实施例与实施例一的区别是合模机械机构,其余与实施例一相 同。  The difference between this embodiment and the first embodiment is the mold clamping mechanism, and the rest is the same as the first embodiment.

本实施例的合模机械机构包括:后模板 10、移动模板 15和前模板 16都套在水平拉杆上； 十字车壁 141、后模板 10、动模板 15之间上下 对称地连接有肘杆机构， 其中包括端部与后模板 10铰接的连杆 21， 连杆 21的另一端与曲手大连杆 131铰接， 连杆 21的中部与曲手小 连杆 121铰接， 曲手小连杆 121的另一端铰接在十字车壁 141， 曲手 大连杆 131的前端铰接在移动模板 15上。  The clamping mechanism of the embodiment includes: the rear template 10, the moving template 15 and the front template 16 are all sleeved on the horizontal rod; the crossbar wall 141, the rear template 10, and the movable template 15 are connected symmetrically with the toggle mechanism The connecting rod 21 is hinged at the end and the rear template 10, the other end of the connecting rod 21 is hinged with the curved large connecting rod 131, and the middle portion of the connecting rod 21 is hinged with the curved small connecting rod 121, and the curved small connecting rod 121 The other end is hinged to the cross body wall 141, and the front end of the crank large link 131 is hinged to the moving die plate 15.

当丝杆 8前进或后退时， 十字车壁 141通过曲手小连杆 121带 动连杆 21绕其与后模板 10的铰接点转动， 由此， 曲手大连杆 131 带动移动模板 15合模或开模。 实施例三  When the lead screw 8 advances or retreats, the crossover wall 141 rotates the connecting rod 21 around the hinge point of the rear die plate 10 through the small hand connecting rod 121, whereby the curved large connecting rod 131 drives the moving template 15 to be closed. Or open the mold. Embodiment 3

参照图 5 : Refer to Figure 5:

本实施例与实施例一的区别是合模机械机构,其余与实施例一相同。 本实施例的合模机械机构包括:后模板 10、移动模板 15和前模板 16都套在水平拉杆上； 十字车壁 142、后模板 10、动模板 15之间上下 对称地连接有双曲肘机构， 其中包括端部与后模板 10铰接的 "T"形 连板 22， 连板 22的另一端与曲手大连杆 132铰接， 连板 22的柄部 与曲手小连杆 122铰接， 曲手小连杆 122的另一端铰接在十字车壁 142， 曲手大连杆 132的前端铰接在移动模板 15上。 The difference between this embodiment and the first embodiment is a mold clamping mechanism, and the rest is the same as that of the first embodiment. The clamping mechanism of the embodiment includes: the rear template 10, the moving template 15 and the front template 16 are all sleeved on the horizontal rod; the cross-wall 142, the rear template 10, and the movable template 15 are symmetrically connected with a double elbow The mechanism includes a "T" shaped connecting plate 22 hinged at the end and the rear die plate 10, and the other end of the connecting plate 22 is hinged to the curved large connecting rod 132, and the handle of the connecting plate 22 is hinged to the curved small connecting rod 122. The other end of the crank small link 122 is hinged to the cross body wall 142, and the front end of the crank large link 132 is hinged to the moving die plate 15.

当丝杆 8前进或后退时， 十字车壁 142通过曲手小连杆 122带 动连板 22绕其与后模板 10的铰接点转动， 由此， 曲手大连杆 132 带动移动模板 15合模或开模。 实施例四  When the lead screw 8 advances or retreats, the crossover wall 142 drives the connecting plate 22 to rotate around the hinge point of the rear die plate 10 through the small hand connecting member 122, whereby the curved large connecting rod 132 drives the moving template 15 to be closed. Or open the mold. Embodiment 4

参照图 6: Refer to Figure 6:

本实施例与实施例一的区别是合模机械机构,其余与实施例一相 同。  The difference between this embodiment and the first embodiment is the mold clamping mechanism, and the rest is the same as the first embodiment.

本实施例的合模机械机构：后模板 10、 移动模板 15和前模板 16 都套在水平拉杆上后模板 10、 动模板 15之间上下对称地连接有双曲 肘机构， 车壁 143的两端铰接在肘曲手 113与曲手大连杆 133的铰 接处。  The clamping mechanism of the embodiment: the rear template 10, the moving template 15 and the front template 16 are all sleeved on the horizontal rod, and the double bending mechanism is connected vertically between the template 10 and the movable template 15, and the two walls of the vehicle wall 143 are connected. The end is hinged at the hinge of the elbow hand 113 and the curved hand large link 133.

外转子永磁式伺服电机通过支架 23设置在机架或后模板 10上， 丝杆 83从所述的合模机械机构的侧面铰接于肘曲手 113与曲手大连 杆 133的铰接处。  The outer rotor permanent magnet servo motor is disposed on the frame or the rear plate 10 through the bracket 23, and the screw rod 83 is hinged from the side of the mold clamping mechanism to the hinge of the elbow hand 113 and the crank lever Dalian 133.

当丝杆 83前进或后退时， 推动或者牵拉肘曲手 113与曲手大连 杆 133绕铰接点转动， 由此， 曲手大连杆 133带动移动模板 15合模 或开模。 实施例五 When the lead screw 83 advances or retreats, push or pull the elbow hand 113 and the curved hand Dalian The rod 133 is rotated about the hinge point, whereby the curved hand large link 133 drives the movable die plate 15 to mold or open the mold. Embodiment 5

参照图 7: Refer to Figure 7:

本实施例与实施例一的区别是合模机械机构,其余与实施例一相 同。  The difference between this embodiment and the first embodiment is the mold clamping mechanism, and the rest is the same as the first embodiment.

本实施例的合模机械机构：后模板 10、 移动模板 15和前模板 16 都套在水平拉杆上后模板 10、 动模板 15之间上下对称地连接有单曲 肘机构。所述的单曲肘机构包括相互铰接的肘曲手 114与曲手大连杆 134， 肘曲手 114后端与后模板 10铰接， 曲手大连杆 134前端与车 壁 144铰接， 车壁 14与动模板 15之间连接有调整装置 24。  In the clamping mechanism of the embodiment, the rear template 10, the moving template 15 and the front template 16 are all sleeved on the horizontal rod, and the single-bend mechanism is connected vertically between the template 10 and the movable template 15. The single elbow mechanism includes an elbow arm 114 and a curved hand connecting rod 134 which are hinged to each other. The rear end of the elbow arm 114 is hinged with the rear template 10, and the front end of the curved large connecting rod 134 is hinged to the vehicle wall 144. An adjustment device 24 is connected between the 14 and the movable platen 15.

外转子永磁式伺服电机通过支架设置在机架或后模板 10上， 丝 杆 84从所述的合模机械机构的侧面铰接于肘曲手 114与曲手大连杆 134的铰接处。  The outer rotor permanent magnet servo motor is disposed on the frame or the rear plate 10 through a bracket, and the wire rod 84 is hinged from the side of the mold clamping mechanism to the hinge of the elbow hand 114 and the curved hand connecting rod 134.

当丝杆 8前进或后退时， 推动或者牵拉肘曲手 11与曲手大连杆 13绕铰接点转动， 由此， 曲手大连杆 13带动移动模板 15合模或开 模。 实施例六  When the lead screw 8 advances or retreats, the elbow hand 11 and the curved hand large link 13 are rotated or pivoted around the hinge point, whereby the curved hand large link 13 drives the movable die plate 15 to mold or mold. Embodiment 6

参照图 8: Refer to Figure 8:

本实施例与实施例一的区别是合模机械机构,其余与实施例一相 同。 The difference between this embodiment and the first embodiment is the mold clamping mechanism, and the rest is the same as the first embodiment. Same.

本实施例的合模机械机构是：后模板 10、 移动模板 15和前模板 16都套在水平拉杆上； 十字车壁 145、后模板 10、动模板 15之间上下 对称地连接有双曲肘机构， 其中包括后端与后模板 10铰接的连板 20， 曲手小连杆 125铰接于连板 20中下部， 曲手大连杆 135铰接于 连板的前端， 曲手小连杆 125的另一端铰接在十字车壁 145上， 曲 手大连杆 135的前端铰接在移动模板 15上。  The clamping mechanism of the embodiment is: the rear template 10, the moving template 15 and the front template 16 are all sleeved on the horizontal rod; the cross arm wall 145, the rear template 10, and the movable template 15 are connected symmetrically with the double elbow The mechanism comprises a connecting plate 20 hinged at the rear end and the rear template 10, the small connecting rod 125 of the curved hand is hinged to the lower part of the connecting plate 20, and the large connecting rod 135 is hinged to the front end of the connecting plate, and the small connecting rod 125 of the curved hand The other end is hinged to the cross body wall 145, and the front end of the crank large link 135 is hinged to the moving die plate 15.

当丝杆 8前进或后退时， 十字车壁 14通过曲手小连杆 125带动 连板 20绕其与后模板 10的铰接点转动， 由此， 曲手大连杆 135带 动移动模板 15合模或开模。 本说明书实施例所述的内容仅仅是对发明构思的实现形式的列 举， 本发明的保护范围的不应当被视为仅限于实施例所陈述的具体 形式， 本发明的保护范围也及于本领域技术人员根据本发明构思所  When the lead screw 8 advances or retreats, the crossover wall 14 rotates the connecting plate 20 around its hinge point with the rear die plate 10 through the small hand connecting rod 125, whereby the curved hand connecting rod 135 drives the moving die plate 15 to be closed. Or open the mold. The content described in the embodiments of the present specification is merely an enumeration of the implementation forms of the inventive concept, and the scope of the present invention should not be construed as being limited to the specific forms stated in the embodiments, and the scope of the present invention is also in the field. Technician according to the inventive concept

Claims

权 利 要 求 书 Claims 1、 电动锁模装置， 包括合模机械机构， 所述的合模机械机构包 括机架、后模板、用于安装动模的移动模板和安装定模的前模板， 所 述的移动模板和后模板可相对合拢和分开， 丝杆前部连接所述的合 模机械机构， 其特征在于： 丝杆的驱动机构是外转子永磁式伺服电 机， 所述的外转子永磁式伺服电机的转子连接螺母， 所述的螺母与 所述的丝杆啮合。 1. An electric clamping device, comprising a clamping mechanical mechanism, the clamping mechanical mechanism comprising a frame, a rear template, a moving template for mounting the moving mold, and a front template for mounting the fixed mold, the moving template and the rear The template can be relatively closed and separated, and the front part of the lead screw is connected to the clamping mechanism, wherein: the driving mechanism of the screw is an outer rotor permanent magnet servo motor, and the rotor of the outer rotor permanent magnet servo motor A nut is coupled to the nut for engagement with the lead screw. 2、 如权利要求 1所述的电动锁模装置， 其特征在于： 所述的合 模机械机构包括:所述的外转子永磁式伺服电机的转子通过轴承设置 在后模板上， 丝杆穿过所述的后模板， 外转子永磁式伺服电机的转 子与所述的螺母、丝杆同轴布置， 外转子永磁式伺服电机的定子连接 外壳， 外壳连接所述的后模板。  2. The electric clamping device according to claim 1, wherein: said clamping mechanism comprises: said rotor of said outer rotor permanent magnet servo motor is disposed on said rear plate through a bearing, said lead screw Through the rear template, the rotor of the outer rotor permanent magnet servo motor is coaxially arranged with the nut and the screw rod, and the stator of the outer rotor permanent magnet servo motor is connected to the outer casing, and the outer casing is connected to the rear template. 3、 如权利要求 2所述的电动锁模装置， 其特征在于： 所述的合 模机械机构包括： 一曲肘连杆机构， 后模板 (10)上下对称地铰接一 对肘曲手 (11)的后端， 肘曲手 (11)的前端同时与曲手小连杆 (12)和曲 手大连杆 (13)的后端铰接， 两个曲手小连杆 (12)的另一端对称地铰接 在十字车壁 (14)两端， 两个曲手大连杆 (13)的前端对称地铰接在移动 模板 (15)上下端。  3. The electric clamping device according to claim 2, wherein: said clamping mechanism comprises: a toggle link mechanism, and the rear die plate (10) hinges a pair of elbow hands symmetrically up and down (11) The rear end of the elbow hand (11) is hinged to the rear end of the crank small connecting rod (12) and the curved large connecting rod (13), and the other end of the two curved small connecting rods (12) Symmetrically articulated at both ends of the crossover wall (14), the front ends of the two curved large links (13) are hingedly hinged to the upper and lower ends of the moving template (15). 4、 如权利要求 2所述的电动锁模装置， 其特征在于： 所述的合 模机械机构包括:后模板 (10)、 移动模板 (15)和前模板 (16)都套在水平 拉杆上； 十字车壁 （141 ) 、后模板 （10) 、动模板 （15 ) 之间上下对 称地连接有肘杆机构， 其中包括端部与后模板 （10) 铰接的连杆 (21) ， 连杆 （21) 的另一端与曲手大连杆 （131) 铰接， 连杆 (21) 的中部与曲手小连杆 （121) 铰接， 曲手小连杆 （121) 的另 一端铰接在十字车壁 （141) ， 曲手大连杆 （131) 的前端铰接在移 动模板 （15) 上。 4. The electric clamping device according to claim 2, wherein: the clamping mechanism comprises: a rear template (10), a moving template (15) and a front template (16) all sleeved on the horizontal rod ; up and down between the crossover wall (141), the rear formwork (10), and the movable formwork (15) The toggle mechanism is connected to the ground, and includes a connecting rod (21) whose end is hinged to the rear template (10), and the other end of the connecting rod (21) is hinged with the large connecting rod (131) of the crank, the connecting rod (21) The middle portion is hinged to the small connecting rod (121) of the crank, and the other end of the small connecting rod (121) is hinged to the cross wall (141), and the front end of the large connecting rod (131) is hinged to the moving template (15). on. 5、 如权利要求 2所述的电动锁模装置， 其特征在于： 所述的合 模机械机构包括：后模板 （10) 、 移动模板 （15) 和前模板 （16) 都 套在水平拉杆上； 十字车壁 （142) 、后模板 （10) 、动模板 （15) 之 间上下对称地连接有双曲肘机构， 其中包括端部与后模板 （10) 铰 接的 "T"形连板 （22) ， 连板 （22) 的另一端与曲手大连杆 （132) 铰接， 连板 （22) 的柄部与曲手小连杆 （122) 铰接， 曲手小连杆 5. The electric clamping device according to claim 2, wherein: said clamping mechanism comprises: a rear template (10), a moving template (15) and a front template (16) all sleeved on the horizontal rod A double-bend mechanism is connected between the cross-wall (142), the rear plate (10) and the movable platen (15) symmetrically, and includes a "T"-shaped connecting plate whose ends are hinged to the rear plate (10) ( 22), the other end of the connecting plate (22) is hinged with the large connecting rod (132) of the curved hand, and the handle of the connecting plate (22) is hinged with the small connecting rod (122) of the curved hand, and the small connecting rod of the curved hand (122) 的另一端铰接在十字车壁 （142) ， 曲手大连杆 （132) 的前 端铰接在移动模板 （15) 上。 The other end of (122) is hinged to the crossover wall (142), and the front end of the curved large connecting rod (132) is hinged to the moving template (15). 6、 如权利要求 2所述的电动锁模装置， 其特征在于： 所述的合 模机械机构是：后模板 （10) 、 移动模板 （15) 和前模板 （16) 都套 在水平拉杆上； 十字车壁 （145) 、后模板 （10) 、动模板 （15) 之间 上下对称地连接有双曲肘机构， 其中包括后端与后模板 （10) 铰接 的连板 （20) ， 曲手小连杆 （125) 铰接于连板 （20) 中下部， 曲手 大连杆 （135) 铰接于连板的前端， 曲手小连杆 （125) 的另一端铰 接在十字车壁 （145) 上， 曲手大连杆 （135) 的前端铰接在移动模 板 （15) 上。 7、 如权利要求 1所述的电动锁模装置， 其特征在于： 所述的外 转子永磁式伺服电机通过支架设置在机架或后模板上， 丝杆从所述 的合模机械机构的侧面连接。 6. The electric clamping device according to claim 2, wherein: said clamping mechanism is: a rear template (10), a moving template (15) and a front template (16) are all sleeved on the horizontal rod A double toggle mechanism is connected between the cross frame wall (145), the rear template (10), and the movable template (15), and includes a hinge plate (20) hinged at the rear end and the rear plate (10). The small hand connecting rod (125) is hinged to the lower middle part of the connecting plate (20), the large curved connecting rod (135) is hinged to the front end of the connecting plate, and the other end of the curved small connecting rod (125) is hinged to the cross wall (145). Above, the front end of the curved large connecting rod (135) is hinged on the moving template (15). 7. The electric clamping device according to claim 1, wherein: said outer rotor permanent magnet servo motor is disposed on a frame or a rear plate through a bracket, and the screw rod is from said mold clamping mechanism Side connection. 8、 如权利要求 7所述的电动锁模装置， 其特征在于： 所述的合 模机械机构包括：后模板 （10) 、 移动模板 （15) 和前模板 （16) 都 套在水平拉杆上后模板 （10) 、动模板 （15) 之间上下对称地连接有 双曲肘机构， 车壁 （143) 的两端铰接在肘曲手 （113) 与曲手大连 杆 （133) 的铰接处;外转子永磁式伺服电机通过支架 （23) 设置在 机架或后模板 （10) 上， 丝杆 （83) 从所述的合模机械机构的侧面 铰接于肘曲手 （113) 与曲手大连杆 （133) 的铰接处。  8. The electric clamping device according to claim 7, wherein: the clamping mechanism comprises: a rear template (10), a moving template (15) and a front template (16) all sleeved on the horizontal rod A double toggle mechanism is connected between the rear template (10) and the movable template (15), and the two ends of the vehicle wall (143) are hinged to the hinge of the elbow hand (113) and the crank large connecting rod (133). The outer rotor permanent magnet servo motor is disposed on the frame or the rear plate (10) through the bracket (23), and the screw rod (83) is hinged from the side of the clamping mechanism to the elbow hand (113) and The hinge of the large connecting rod (133) of the curved hand. 9、 如权利要求 7所述的电动锁模装置， 其特征在于： 所述的合 模机械机构包括：后模板 （10) 、 移动模板 （15) 和前模板 （16) 都 套在水平拉杆上后模板 （10) 、动模板 （15) 之间上下对称地连接有 单曲肘机构。 所述的单曲肘机构包括相互铰接的肘曲手 （114) 与曲 手大连杆 （134) ， 肘曲手 （114) 后端与后模板 （10) 铰接， 曲手 大连杆 （134) 前端与车壁 （144) 铰接， 车壁 （144) 与动模板 9. The electric clamping device according to claim 7, wherein: said clamping mechanism comprises: a rear template (10), a moving template (15) and a front template (16) all sleeved on the horizontal rod A single elbow mechanism is connected symmetrically between the rear template (10) and the movable template (15). The single toggle mechanism includes an elbow hand (114) and a curved large link (134) hinged to each other, a hinged end of the elbow hand (114) and a rear template (10), and a curved large connecting rod (134). ) The front end is hinged to the vehicle wall (144), the vehicle wall (144) and the moving template (15) 之间连接有调整装置 （24) ； 外转子永磁式伺服电机通过支 架设置在机架或后模板 （10) 上， 丝杆 （84) 从所述的合模机械机 构的侧面铰接于肘曲手 （114) 与曲手大连杆 （134) 的铰接处。 (15) An adjustment device (24) is connected between them; the outer rotor permanent magnet servo motor is placed on the frame or the rear plate (10) through the bracket, and the screw (84) is hinged from the side of the clamping mechanism At the hinge of the elbow hand (114) and the curved hand connecting rod (134).
PCT/CN2008/072711 2007-12-07 2008-10-16 Electrical mold clamping assembly Ceased WO2009071002A1 (en)

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CNA2007101645723A CN101450523A (en) 2007-12-07 2007-12-07 Electric mode locking device
CN200710164572.3 2007-12-07

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CN106956817A (en) * 2017-04-13 2017-07-18 上海江南制药机械有限公司 A kind of mould opening-closing mechanism of the flat bubble-cap machine of high speed
CN109624245A (en) * 2019-01-11 2019-04-16 泰瑞机器股份有限公司 A kind of five plate elbow rod type die joining devices
CN113771347A (en) * 2021-09-07 2021-12-10 南京贝迪新材料科技股份有限公司 A rotary die head of a film blowing machine for LCP film preparation

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JP5752555B2 (en) * 2011-10-12 2015-07-22 住友重機械工業株式会社 Injection molding machine
JP5922046B2 (en) * 2013-01-30 2016-05-24 住友重機械工業株式会社 Injection molding machine

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CN201136276Y (en) * 2007-12-07 2008-10-22 联塑(杭州)机械有限公司 Electric mould-locking device

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JPH11333896A (en) * 1998-05-29 1999-12-07 Sumitomo Heavy Ind Ltd Motor for clamping device
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CN201136276Y (en) * 2007-12-07 2008-10-22 联塑(杭州)机械有限公司 Electric mould-locking device

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106956817A (en) * 2017-04-13 2017-07-18 上海江南制药机械有限公司 A kind of mould opening-closing mechanism of the flat bubble-cap machine of high speed
CN106956817B (en) * 2017-04-13 2023-12-15 上海江南制药机械有限公司 Opening and closing mechanism of high-speed flat plate type bubble cap machine
CN109624245A (en) * 2019-01-11 2019-04-16 泰瑞机器股份有限公司 A kind of five plate elbow rod type die joining devices
CN109624245B (en) * 2019-01-11 2023-12-29 泰瑞机器股份有限公司 Five-plate toggle rod type die assembly device
CN113771347A (en) * 2021-09-07 2021-12-10 南京贝迪新材料科技股份有限公司 A rotary die head of a film blowing machine for LCP film preparation

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