WO2022088580A1 - 一种高速悬臂式开合模传动机构 - Google Patents

一种高速悬臂式开合模传动机构 Download PDF

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Publication number
WO2022088580A1
WO2022088580A1 PCT/CN2021/080202 CN2021080202W WO2022088580A1 WO 2022088580 A1 WO2022088580 A1 WO 2022088580A1 CN 2021080202 W CN2021080202 W CN 2021080202W WO 2022088580 A1 WO2022088580 A1 WO 2022088580A1
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lifting shaft
shaft seat
plate
transmission mechanism
mold opening
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PCT/CN2021/080202
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English (en)
French (fr)
Inventor
杨坚
林昌平
胡传庆
李华光
曹凡
方小钢
周传斌
顾飞飞
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上海爵诺科技有限公司
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Publication of WO2022088580A1 publication Critical patent/WO2022088580A1/zh

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B47/00—Apparatus or devices for forming pockets or receptacles in or from sheets, blanks, or webs, comprising essentially a die into which the material is pressed or a folding die through which the material is moved
    • B65B47/04—Apparatus or devices for forming pockets or receptacles in or from sheets, blanks, or webs, comprising essentially a die into which the material is pressed or a folding die through which the material is moved by application of mechanical pressure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B11/00—Wrapping, e.g. partially or wholly enclosing, articles or quantities of material, in strips, sheets or blanks, of flexible material
    • B65B11/50—Enclosing articles, or quantities of material, by disposing contents between two sheets, e.g. pocketed sheets, and securing their opposed free margins

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  • the invention relates to a high-speed cantilever type mold opening and closing transmission mechanism, which belongs to the field of mechanical transmission.
  • the opening and closing mechanism of the existing high-speed flat blister machine is shown in Figure 1, including cam box s1, spline spindle s2, cam s3, roller s4, roller seat s5, lower die guide plate s6, cooling water plate s7, Lower die s8, clamping plate s9, upper die s10, upper die bottom plate s11, upper die cover plate s12, ball head nut s13, adjusting nut s14, guide column s15, steel column sleeve s16, cam box support shaft s17, column parallel Tighten nut s18.
  • the above-mentioned mold opening and closing mechanism is input power from the motor to the spline spindle s2, the spline spindle s2 drives the cam s3 to rotate, and the cam s3 rotates to push the movement of the roller s4, the roller seat s5, the lower die guide s6 and the lower die s8.
  • the lower die guide plate s6, the steel ball sleeve s16 and the guide column s15 are combined into a linear guide system, so that the lower die guide plate s6 equipped with the lower die s8 moves linearly up and down.
  • the upper mold s10 is in a static state, and the linear lifting motion of the lower mold s8 enables the upper and lower molds to be closed and separated.
  • the above-mentioned mold opening and closing mechanism can also realize the opening and closing functions of the upper and lower molds, it uses cam rollers to directly act on the lower mold system to realize linear motion.
  • the pressure is a fixed value.
  • the cam s3 needs a larger torque output. The result is: when ensuring the safe use of the motor and the rated torque output, the output speed of the motor cannot meet the speed requirements of the blister machine; in the case of ensuring the high-speed operation of the blister machine, the output torque cannot be insufficient.
  • the technical problem to be solved by the present invention is to improve the running speed of the high-speed flat blister machine.
  • the technical solution of the present invention is to provide a high-speed cantilever mold opening and closing transmission mechanism, including an eccentric driven by a servo motor, a cooling water plate that moves up and down along a linear guide system, and a cooling water plate arranged on the cooling water plate.
  • the upper lower mold and the upper mold located above the lower mold are characterized in that it also includes a pull rod guide plate which is driven by a cam to move horizontally left and right, the pull rod guide plate is connected with the lifting shaft seat, one end of the lifting shaft seat is hinged and fixed, and the pull rod guide plate drives the lifting shaft The seat swings around the hinge point of the end, and the other end of the lifting shaft seat is hinged with the link mechanism.
  • the lower mold is driven to move up and down along the linear guide system by the link mechanism.
  • the linear guide system, the cooling water plate, the lower mold, the upper mold, the lifting shaft seat, and the link mechanism are located in the frame; the servo motor, the eccentric wheel, the rotating shaft, and the connecting rod are located in the frame. Outside the frame; the other end of the tie rod passes through the frame and is connected to the middle of the lifting shaft seat, the lower end of the lifting shaft seat is hinged with the frame, and the upper end of the lifting shaft seat is connected to the link mechanism Hinged.
  • the transmission box body includes wall panels and upper and lower support panels located on the left and right sides.
  • the upper mold is arranged on the bottom plate of the upper mold, and the bottom plate of the upper mold is assembled with the adjusting screw and mounted on the upper cover plate through a cap.
  • the linear guide system includes a guide post and a middle guide plate located on the left and right sides, the bottom of the guide post is fixed, the guide post is provided with a middle guide plate that can move up and down along the guide post, and the cooling water plate is arranged in the middle on the guide.
  • the linear guide system further comprises a steel ball sleeve arranged at the bottom of the guide post.
  • FIG. 2 is a schematic structural diagram of a high-speed cantilevered mold opening and closing transmission mechanism provided by the present invention
  • FIG. 3 is a side view of the structure shown in FIG. 2 .
  • Its working principle includes that the servo motor 2 installed on the transmission box 1 is decelerated by the reducer 3, and the rotation is output to the eccentric wheel 4, and the connecting rod 5 is driven by the rotating shaft 6 installed on the eccentric wheel 4 to rotate so that the connecting rod 5 is left and right.
  • the lifting shaft seat 8 is connected with the connecting rod 5, the connecting rod arm 9 and the middle guide plate 11.
  • the left and right movement of the connecting rod 5 drives the lifting shaft seat 8, the middle guide plate 11 and the guide system of the steel column guide sleeve module 10 to move up and down.
  • the system decomposes the clamping pressure through the method of the link mechanism to avoid the load directly acting on the runner transmission.
  • the torque of the driving wheel is doubled, thereby reducing the torque output by the servo motor, increasing the output speed of the servo motor, and improving the running speed of the blister machine, which can achieve a stable speed of 120 times/min.
  • the mechanism adopts a cantilever structure, the main drive and the main motor are placed at the back of the machine, and the work station is located in the front of the machine; the cantilever structure is easy to clean, avoid oil pollution, has beautiful vision, and meets the pharmaceutical GMP standard.

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

Abstract

一种高速悬臂式开合模传动机构，包括由伺服电机（2）带动的偏心轮（4）、沿直线导向系统上下移动的冷却水板（s7）、设于冷却水板上的下模具（s8）、位于下模具上方的上模具（s10），还包括由凸轮驱动水平左右移动的拉杆导板，拉杆导板通过拉杆与升降轴座（8）相连，升降轴座的一端铰接固定，拉杆导板带动升降轴座绕该端部的铰接点摆动，升降轴座的另一端与连杆机构铰接，升降轴座摆动的同时通过连杆机构带动下模具沿直线导向系统上下移动。

Description

一种高速悬臂式开合模传动机构 技术领域
本发明涉及一种高速悬臂式开合模传动机构，属于机械传动领域。
背景技术
现有高速平板式泡罩机的开、合模机构如图1所示，包括凸轮箱s1、花键主轴s2、凸轮s3、滚轮s4、滚轮座s5、下模导板s6、冷却水板s7、下模具s8、锁模压板s9、上模具s10、上模底板s11、上模盖板s12、球头螺母s13、调节螺母s14、导向立柱s15、钢柱套s16、凸轮箱支撑轴s17、立柱并紧螺母s18。通过上述机构以实现平板式泡罩机对上、下模具的开合功能。上述开、合模机构是由电动机输入动力至花键主轴s2，花键主轴s2带动凸轮s3旋转，凸轮s3旋转推动滚轮s4、滚轮座s5、下模导板s6以及下模具s8的运动。下模导板s6、钢珠套s16以及导向立柱s15组合为直线导向系统，使装有下模具s8的下模导板s6直线升降运动。上模具s10为静止状态，下模具s8的直线升降运动使上、下模具可以闭合和分开。
上述开、合模机构虽然也能实现对上、下模具的开合功能，但其采用凸轮滚子直接作用于下模具系统来实现直线运动，当上、下模具闭合时的压力为定值，泡罩机运行速度超过70次/分的高速运行时，凸轮s3工作就需要更大的扭矩输出。其导致的结果是：在保证电动机安全使用规范内和额定的扭矩输出时，电动机的输出转速达不到泡罩机的速度要求；在保证泡罩机高速运行的情况下，由于输出扭矩不足无法完成上、下模具的闭合。因此现有技术无法满足泡罩机运行速度达到80次/分、甚至120次/分时的要求，成为高速平板式泡罩机发展的一个必须突破的技术瓶颈。
发明内容
本发明要解决的技术问题是提高高速平板式泡罩机的运行速度。
为了解决上述技术问题，本发明的技术方案是提供了一种高速悬臂式开合模传动机构，包括由伺服电机带动的偏心轮、沿直线导向系统上下移动的冷却水板、 设于冷却水板上的下模具、位于下模具上方的上模具，其特征在于，还包括由凸轮驱动水平左右移动的拉杆导板，拉杆导板与升降轴座相连，升降轴座的一端铰接固定，拉杆导板带动升降轴座绕该端部的铰接点摆动，升降轴座的另一端与连杆机构铰接，升降轴座摆动的同时通过连杆机构带动下模具沿直线导向系统上下移动。
优选地，还包括机架，所述直线导向系统、冷却水板、下模具、上模具、升降轴座、连杆机构位于机架内；所述伺服电机、偏心轮、转轴、连杆、位于机架外；所述拉杆的另一端穿过机架后连接在所述升降轴座的中部，所述升降轴座的下端与机架铰接，所述升降轴座的上端与所述连杆机构铰接。
优选地，所述传动箱体包括位于左、右两侧的墙板及上下支撑板。
优选地，所述上模具设于上模底板上，上模底板与调节螺杆组合后通过并帽安装在所述上盖板上。
优选地，所述直线导向系统包括位于左右两侧的导柱、中导板，导柱的底部固定，在导柱上设有可沿导柱上下移动的中导板，所述冷却水板设于中导板上。
优选地，所述连杆机构包括连杆臂，连杆臂的两端分别与所述升降轴座及所述中导板铰接。
优选地，所述直线导向系统还包括设于所述导柱底部的钢珠套。
与现有技术相比，本发明的有益效果是：
本发明通过精密的机械机构将合模压力分解，使凸轮转动所需的扭矩减小，从而减小电动机输出的扭矩，在泡罩机高速运行时动力系统不会过载，使泡罩机在高速运行时不会因动力输入扭矩不足而无法完成合模。本发明理论上可以满足高速平板式泡罩机的极限速度。
本发明突破了高速平板式泡罩机的极限速度。因此本发明在理论上完全超越了现有技术，在应用上相比现有技术更具有突破性的进步，由于本发明的创新突破带动了高速平板式泡罩机技术的发展，必将促进整个自动化包装行业的快速反展，并给广大的市场带来积极的使用效果。
附图说明
图1为现有的高速平板式泡罩机的开、合模机构的结构示意图；
图2为本发明提供的一种高速悬臂式开合模传动机构的结构示意图；
图3为图2所示结构的侧视图。
具体实施方式
下面结合具体实施例，进一步阐述本发明。应理解，这些实施例仅用于说明本发明而不用于限制本发明的范围。此外应理解，在阅读了本发明讲授的内容之后，本领域技术人员可以对本发明作各种改动或修改，这些等价形式同样落于本申请所附权利要求书所限定的范围。
详细技术内容：
一.悬臂式开合模传动机构研究(图2)
其主要包括以下部分，1传动箱体、2伺服电机、3减速机、4偏心轮、5连杆、6转轴、7连杆轴芯、8升降轴座、9连杆臂、10钢柱导套模组、11中导板、12成型冷却板、13成型定位板、14成型模具、15气道模、16气道模冷却板、17上模固定板、18并冒、19缓冲弹簧导柱、20蝶形垫片、21并冒盖。
其工作原理包括由安装在传动箱体1上的伺服电机2通过减速机3减速，将旋转输出至偏心轮4，通过安装在偏心轮4上的转轴6带动连杆5旋转使连杆5左右运动，升降轴座8与连杆5、连杆臂9、中导板11相连，通过连杆5左右运动带动升降轴座8及中导板11、钢柱导套模组10导向系统上下运动。该系统通过连杆机构的方法，将合模压力分解，避免负载直接作用于转轮传动。在合模压力为定值时，使驱动转轮转动的扭矩成倍减小，从而减小了伺服电机输出的扭矩，增加了伺服电机输出转速，提高泡罩机运行速度，可实现稳定速度120次/分钟。
同时该机构采用悬臂式结构，主传动和主电机置于机器背后，工作工位置于机器正面；该悬臂式结构便于清洁清理，避免油污污染，视觉美观，符合医药GMP标准。

Claims (7)

  1. 一种高速悬臂式开合模传动机构，包括由伺服电机带动的偏心轮、沿直线导向系统上下移动的冷却水板、设于冷却水板上的下模具、位于下模具上方的上模具，其特征在于，还包括由凸轮驱动水平左右移动的拉杆导板，拉杆导板通过拉杆与升降轴座相连，升降轴座的一端铰接固定，拉杆导板带动升降轴座绕该端部的铰接点摆动，升降轴座的另一端与连杆机构铰接，升降轴座摆动的同时通过连杆机构带动下模具沿直线导向系统上下移动。
  2. 根据权利要求1所述的一种高速悬臂式开合模传动机构，其特征在于，还包括机架，所述直线导向系统、冷却水板、下模具、上模具、升降轴座、连杆机构位于机架内；所述伺服电机、偏心轮、连杆位于机架外；所述拉杆的另一端穿过机架后连接在所述升降轴座的中部，所述升降轴座的下端与机架铰接，所述升降轴座的上端与所述连杆机构铰接。
  3. 根据权利要求1所述的一种高速悬臂式开合模传动机构，其特征在于，还包括传动箱体，所述传动箱体包括位于左、右两侧的墙板及上下支撑板，所述伺服电机安装在所述传动箱体上。
  4. 根据权利要求1所述的一种高速悬臂式开合模传动机构，其特征在于，所述上模具设于上模底板上，上模底板与调节螺杆组合后通过并帽安装在上盖板上。
  5. 根据权利要求1所述的一种高速悬臂式开合模传动机构，其特征在于，所述直线导向系统包括位于左右两侧的导柱、中导板，导柱的底部固定，在导柱上设有可沿导柱上下移动的中导板，所述冷却水板设于中导板上。
  6. 根据权利要求1所述的一种高速悬臂式开合模传动机构，其特征在于，所述连杆机构包括连杆臂，连杆臂的两端分别与所述升降轴座及所述中导板铰接。
  7. 根据权利要求6所述的一种高速悬臂式开合模传动机构，其特征在于，所述直线导向系统还包括设于所述导柱底部的钢珠套。
PCT/CN2021/080202 2020-10-30 2021-03-11 一种高速悬臂式开合模传动机构 WO2022088580A1 (zh)

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