WO2015035752A1 - 一种压膜机贴膜辊的传动结构 - Google Patents

一种压膜机贴膜辊的传动结构 Download PDF

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Publication number
WO2015035752A1
WO2015035752A1 PCT/CN2014/072600 CN2014072600W WO2015035752A1 WO 2015035752 A1 WO2015035752 A1 WO 2015035752A1 CN 2014072600 W CN2014072600 W CN 2014072600W WO 2015035752 A1 WO2015035752 A1 WO 2015035752A1
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WO
WIPO (PCT)
Prior art keywords
roller
mandrel
sides
frame
film roller
Prior art date
Application number
PCT/CN2014/072600
Other languages
English (en)
French (fr)
Inventor
梁飞龙
李兆辉
梁子键
杨华
Original Assignee
广州南沙华卓化工有限公司
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Application filed by 广州南沙华卓化工有限公司 filed Critical 广州南沙华卓化工有限公司
Publication of WO2015035752A1 publication Critical patent/WO2015035752A1/zh

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/0046—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by constructional aspects of the apparatus
    • B32B37/0053—Constructional details of laminating machines comprising rollers; Constructional features of the rollers
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K3/00—Apparatus or processes for manufacturing printed circuits
    • H05K3/22—Secondary treatment of printed circuits
    • H05K3/28—Applying non-metallic protective coatings
    • H05K3/281—Applying non-metallic protective coatings by means of a preformed insulating foil

Definitions

  • the utility model relates to a device for coating a surface of a printed circuit board, in particular to a mounting structure of a filming roller of a laminating machine.
  • the film roll In the process of manufacturing a printed circuit board, it is necessary to use a laminator to coat the surface of the printed circuit board. According to different circuit boards and process requirements, dry and wet methods are required. In the dry process, the film roll needs to use a rubber roller. In the wet process, the film roll needs to use a sponge roller. In order to enable the laminator to switch between the dry lamination film and the wet film, the laminating roller needs to be installed in a detachable structure so that it can be replaced for different processing methods.
  • Cik Patent No. 200920193615.5 discloses a conventional laminating machine wet film filming device, as shown in Fig. 1, comprising two frame-shaped brackets, two pairs of opposite U-shaped notches are provided on the two frame-shaped brackets, upper and lower
  • the transfer roller and the mandrel of the upper and lower foil rollers are respectively placed in two pairs of opposite U-shaped notches and supported by U-shaped notches.
  • the bearing is mounted on the part where the mandrel and the U-shaped groove are in contact.
  • the upper film roller is installed in the front upper U-shaped groove, and the mandrel extends into the frame bracket.
  • the top surface of the frame bracket is provided with a top slot corresponding to the mandrel and a front upper U-shaped plate on which the upper film roller is mounted.
  • the slots are connected.
  • the lower film roller is installed in the front lower U-shaped groove, the mandrel also extends into the frame bracket, and the end is equipped with a gear, and the side of the frame bracket is provided with a side notch corresponding to the mandrel and the gear, The side notch is connected to the front lower U-shaped notch of the lower film roller.
  • the connected front upper U-shaped notch and top notch can be put up and loaded by the upper film roll; the connected front lower U-shaped notch and side notch can be put up and loaded by the lower film roll It is convenient to realize the disassembly and assembly of the upper and lower foil rollers.
  • the connected front upper U The shape of the notch and the top notch, the connected front lower U-shaped notch and the side notch, also greatly affect the strength of the frame-shaped bracket, so that the frame-shaped bracket is prone to distortion and affect the use.
  • the utility model aims to provide a transmission structure of a laminating roller of a laminating machine which is convenient for disassembly and assembly of the upper and lower foil rollers, which is not easy to be deformed, has good strength, long service life, and can reliably and conveniently ensure the meshing transmission precision.
  • the transmission structure of the laminating roller of the laminating machine according to the present invention, the upper and lower transfer rollers and the upper and lower foil rollers are mounted on the frame brackets on both sides, and the upper and lower transfer rollers are mounted on the mandrel.
  • the gear set meshing transmission, the upper and lower film roller are also meshed and driven by the gear set mounted on the mandrel, and the transfer roller group composed of the upper and lower transfer rollers and the film roller group composed of the upper and lower film rollers are passed between
  • the intermediate gear meshing transmission is characterized in that: the opposite sides of the two frame-shaped brackets are provided with a thick support plate, and the top of the thick support plate is provided with a u-shaped groove, and the ends of the mandrel of the upper film-rolling roller are sleeved in the u-shaped groove, Both ends of the mandrel of the lower film roller pass through the through holes of the thick support plate and the frame bracket, and extend into the frame brackets on both sides, and the bearings are also sleeved outside, and are seated in the through holes of the thick support plate through the bearings.
  • the mandrel of the lower film roll is a segmented structure, including the middle and the ends of the two sides, and the ends of the middle and the both sides are inserted through the axial concave-convex structure, and one of the lower film roll cores The end is inserted into the frame bracket on one side
  • the elastic support by a compression spring in the elastic support, the other end being mounted in the other frame support opposed.
  • the driving structure of the laminating roller of the laminating machine of the present invention can drive all the mandrels to rotate by driving the mandrel of any one of the upper and lower transfer rollers or the upper and lower foil rollers, thereby making four The rollers are rotated to realize the transmission of the laminating operation.
  • the middle portion and the two ends are inserted through the axial concave-convex structure, and one end portion is inserted into the elastic support; when the lower film-rolling roller needs to be removed, the lower film-rolling roller is passed
  • the middle of the mandrel presses one end of the mandrel toward the elastic bracket, and the structure of the middle portion of the mandrel and the other end portion of the mandrel are disengaged from each other, and then the middle portion of the mandrel can be obliquely pulled out from the disengaged portion.
  • the end of the middle portion of the mandrel is engaged with the end portion of the mandrel inserted into the elastic bracket, and then the end of the mandrel is pressed toward the elastic bracket, and then the other end of the middle portion of the mandrel is opposite to the end of the mating mandrel.
  • the other end of the middle portion of the mandrel can be inserted and inserted with the end portion of the mandrel at the other end through the concave-convex structure, thereby completing the installation of the lower film roll.
  • the transmission structure of the laminating roller of the laminating machine can directly disassemble the lower laminating roller without removing the upper laminating roller, and the disassembly of the lower laminating roller is simple and convenient.
  • the mandrel of the lower film roller is a segmented structure. When the lower film roller is removed, only the middle roller of the mandrel can be removed by the film roller, and the two ends do not need to be disassembled, and are installed at the end of the mandrel.
  • the meshing gear does not need to be disassembled.
  • the gear of the meshing transmission does not need to be disassembled, does not need to be recalibrated, is simple to operate, and can reliably ensure the accuracy of the meshing transmission.
  • the opposite sides of the frame-shaped brackets on both sides are provided with thick support plates, and each roller is mounted in a groove and a hole of the thick support plate through a bearing, and the thickness of the thick support plate is large, and the groove and the mandrel bearing formed thereon are A large surface contact is formed between the two, and the contact portion is not easy to wear and deform, and the long-term use can still ensure good dimensional accuracy, so that the transmission structure maintains good meshing transmission precision and long service life.
  • a pair of supporting wheels can be respectively mounted on the frame brackets on both sides, and the supporting wheel is located below the abutting portion of the axial concave-convex matching structure in which the middle portion and the both end portions of the lower film roller core shaft are mutually inserted, and is supported from both sides.
  • the middle of the mandrel and the end of the two sides Through the support of the supporting part of the supporting wheel, it can prevent the installation of the concave-convex matching position from being improper.
  • the mandrel falls and damages, and the supporting force is provided for the lower film roll mandrel during normal use, thereby effectively improving the service life of the lower film roll mandrel.
  • Fig. 1 is a schematic view showing a transmission structure of a conventional laminating machine film laminating device.
  • FIG. 2 is a schematic view showing the transmission structure of the film laminating device of the laminating machine of the present invention.
  • Fig. 3 is a partially enlarged schematic view showing one end of a transmission structure of the film laminating device of the laminating machine shown in Fig. 2.
  • Figure 4 is a schematic view of Figure 3 after the cover is removed.
  • Fig. 5 is a partially enlarged schematic view showing the other end of the transmission structure of the film laminating device of the laminating machine shown in Fig. 2.
  • Figure 6 is a schematic view of Figure 5 after the cover is removed.
  • Figure 7 shows the installation of the lower film roll.
  • the transmission structure of the laminating roller of the laminating machine, as shown in Fig. 2-6, on the frame bracket 1 on both sides, the upper transfer roller 21, the lower transfer roller 22, the upper foil roller 31, and the lower foil roller 32 are two pairs of rollers
  • the main shaft of the upper transfer roller 21 and the lower transfer roller 22 are respectively mounted with a gear 23 and a gear 24, and the gear 23 and the gear 24 mesh with each other to constitute a gear train that is mutually driven.
  • a gear 33 and a gear 34 are also mounted on the mandrels of the upper film roll 31 and the lower film roll 32, respectively, and the gears 33 and the gears 34 are also meshed to constitute a gear train that is mutually driven.
  • the transfer roller group composed of the upper and lower transfer rollers 21, 22 and the foil roller group composed of the upper and lower foil rollers 31, 32 are meshed and driven by the intermediate gear; the other end of the film roller core is mounted with the gear 41, The other end of the transfer roller mandrel is mounted with a gear 42, and the intermediate gear 43 is simultaneously meshed with the gear 41 and the gear 42, as shown in Fig.
  • the other end of the upper film roll mandrel and the other end of the upper transfer roll mandrel are disposed Corresponding teeth that mesh simultaneously through the intermediate gear
  • the intermediate gear is simultaneously meshed with the two pairs of meshing gears mounted on the upper and lower foil rollers and the upper and lower transfer rollers, that is, the intermediate gear meshes with the gear 23 and the gear 33 at the same time, or the intermediate gear simultaneously with the gear 24 meshes with gear 34.
  • the opposite sides of the two frame-shaped brackets 1 are respectively provided with a thick support plate 5, and the top of the thick support plate is provided with a U-shaped groove 51, and the ends of the mandrel 36 of the upper film-attaching roller are sleeved with the bearing 6 to sit in the U-shaped groove 51, and the lower film roll
  • Both ends of the mandrel 35 of 32 pass through the thick support plate 5 and the through hole 52 of the frame bracket 1 and extend into the frame brackets on both sides, and the bearing 8 is also sleeved outside, and the thick support plate is seated through the bearing 8.
  • the mandrel 35 of the lower filming roller has a segmented structure, and includes a middle portion 351 and two end portions 352, 353.
  • the middle portion 351 and the end portions 352, 353 on both sides pass through the axial concave and convex portions.
  • the mating structure is plugged in.
  • the axially concave and convex mating structure may be interfitting inserts and slots disposed along the axial direction of the mandrel.
  • At least one of the mutually cooperating inserts and slots on both sides is a non-axisymmetric structure, and the relative rotation of the butt joints can be restricted by the non-axisymmetric structure, thereby avoiding the middle and the sides of the mandrel when the lower film roll is rotated
  • the end rotates relative to each other.
  • the non-axisymmetric structure may be two or more non-concentrically arranged mating slots and disassembled blocks, or may be a non-axisymmetric insert block such as a square, an ellipse, a triangle, a hexagon, and the like. Corresponding to the shape of the slot, etc.
  • One end portion 352 of the lower film roll mandrel 35 is inserted into the elastic support 9 mounted in the frame holder 1 on one side, pressed by the spring 94 in the elastic support 9, and the other end portion 353 is mounted on the opposite side.
  • the other frame bracket 1 is inside.
  • a pair of supporting rollers 10 can be respectively mounted on the frame brackets 1 on both sides, and the supporting rollers are located at the abutting portions of the central concave-convex fitting structure in which the central portion 351 of the lower film roller core shaft 35 and the two end portions 352 and 353 are mutually coupled Below, the mandrel middle portion 351 and the abutting portions of the side ends 352, 353 are supported from both sides, as shown in Fig. 3-6.
  • the elastic support 9, as shown in FIG. 7, includes an outer frame 91 fixed to the frame bracket, and a sliding passage 92 opposite to the through hole 52 is disposed in the outer frame, and the pressing block 93 is slidably disposed in the sliding passage, and the pressing block is pressed.
  • a compression spring 94 is disposed between one side and the outer frame, and the other side thereof abuts against the end of the lower film roll mandrel passing through the thick support plate 5 and the through hole 52 of the frame holder 1.
  • the end portion of the lower film roll mandrel can transmit the pressing force to the pressure spring 94 through the pressing block 93, compressing the compression spring, and moving the pressing block along the sliding passage, thereby
  • the end portion of the lower film roll mandrel is pressed together to move the end portion of the side mandrel, and the middle portion of the mandrel and the other end portion are disengaged at the insertion portion, so that the middle portion of the mandrel and the lower film roll thereon can be conveniently extracted. .
  • the middle and lower film roll of the mandrel are installed, the middle portion of the mandrel is butted against the end portion of the mandrel on the side of the elastic support by axially matching the concave and convex structure, and then the force is applied to press the end against the pressing block.
  • compressing the compression spring 94 by pressing the block and then docking the other end of the middle portion of the mandrel with the end of the mandrel on the other side, unloading
  • the other end is abutted by the axially matching concave and convex structure under the action of the spring force of the compression spring.
  • the outer frame may be formed by connecting two side plates 91b, 91c through the intermediate rod member 91a, as shown in FIG.
  • the intermediate gear 4 is also located on the opposite side from the pair of gear sets, that is, the intermediate gear 4 is not on the same side as the two pairs of meshing gear sets, and the mandrel of the lower film roll and the mandrel of the lower transfer roll are in the middle
  • the gear side is also respectively provided with a transmission gear, and the intermediate gear and the two transmission gears are simultaneously meshed and driven, as shown in FIG. 2, FIG. 4 and FIG.
  • a sprocket may be disposed on the mandrel of the side lower transfer roller, and the lower transfer roller is driven by the sprocket to drive the transmission gear on the lower transfer roller to rotate, and the lower roller is driven by the intermediate gear 4, and the lower roller is transferred.
  • the lower film roll then drives the upper transfer roller and the upper film roll through the meshing gear set on the other side, thereby realizing the transmission of the entire film press.

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Abstract

一种压膜机贴膜辊的传动结构，其支撑上、下贴膜辊（31，32）的两框形支架（1）相对的内侧均设置厚支撑板（5），厚支撑板（5）的顶部设置U形槽（51），上贴膜辊（31）的芯轴两端外套设轴承（6）坐于U形槽（51）内，下贴膜辊（32）的芯轴两端穿过厚支撑板（5）及框形支架（1）的通孔（52），伸入到两侧的框形支架（1）内，其外同样套设轴承（8），通过轴承（8）坐于厚支撑板（5）的通孔（52）内；下贴膜辊（32）的芯轴为分段式结构，包括中部（351）和两侧的端部（352，353），中部（351）与两侧的端部（352，353）均通过轴向凹凸配合的结构相插接，下贴膜辊芯轴（35）的一个端部（352）插入在一侧的框形支架（1）内安装的弹性支座（9）内，由弹性支座（9）内的弹簧压紧，另一个端部（353）则安装在相对的另一个框形支架（1）内。所述的压膜机贴膜辊的传动结构，不拆除上贴膜辊就能直接实现下贴膜辊的拆装，下贴膜辊的拆装简单、方便。

Description

一种压膜机贴膜辊的传动结构 技术领域
本实用新型涉及对印刷电路板表面进行贴膜的装置，特别是一种压膜机的贴 膜辊的安装结构。
背景技术
印刷电路板的制作过程中， 需要使用压膜机在印刷电路板表面进行覆膜。根 据不同电路板及工艺要求， 需采用干法、 湿法两种不同方式。 干法时， 贴膜辊需 使用胶辊， 湿法时， 贴膜辊则需要使用海绵辊。为使压膜机能够实现干法压膜与 湿法贴膜的切换， 贴膜辊的安装需要采用可拆卸的结构， 以便能够针对不同的加 工方式进行更换。
中国专利 200920193615.5 号公开了一种现有的压膜机湿法贴膜传动装置， 如图 1， 包括两侧的框形支架， 两框形支架上设置两对相对的 U形槽口， 上、 下 移载辊和上、 下贴膜辊的芯轴分别置于两对相对的 U形槽口内， 由 U形槽口支 撑。并在芯轴和 U形槽口接触的部分安装轴承。上贴膜辊安装在前上 U形槽内， 其芯轴伸入到框形支架的内部，框形支架的顶面设置与该芯轴对应的顶槽口与安 装上贴膜辊的前上 U型槽口相接。 下贴膜辊安装在前下 U形槽内， 其芯轴同样 伸入到框形支架的内部， 并且端部安装有齿轮， 框形支架的侧面设置与该芯轴及 齿轮对应的侧槽口， 侧槽口与安装下贴膜辊的前下 U型槽口相接。 更换上、 下 贴膜辊时， 连通的前上 U型槽口和顶槽口可供上贴膜辊提出及装入； 连通的前 下 U型槽口和侧槽口可供下贴膜辊提出与装入； 其方便的实现了上、 下贴膜辊 的拆装。
然而， 其更换上、 下贴膜辊时， 需要整体将上、 下贴膜辊拆除， 上、 下贴膜 辊上安装的啮合传动齿轮也跟随拆除，为保证更换辊后的传动精度， 再次安装辊 时需要精确校准定位， 以保证各辊间的啮合与传动精度， 整个过程操作麻烦、耗 时长。 同时， 由于芯轴的轴承直接支撑在框形支架的 U形槽口上， 而框形支架 的各面为板状， 厚度较薄， 长时间使用后， U形槽口和轴承会因磨损而变形， 影 响传动的精度， 甚至影响正常使用， 导致使用寿命的缩短。 此外， 连通的前上 U 形槽口和顶槽口、 连通的前下 U形槽口和侧槽口， 还会大幅影响框形支架的强 度， 使框形支架易发生扭曲变形， 影响使用。
发明内容
本实用新型旨在给出一种上、 下贴膜辊拆装方便， 框形支架不易变形、 强度 好、使用寿命长，且能可靠方便的保证啮合传动精度的压膜机贴膜辊的传动结构。
本实用新型所述的压膜机贴膜辊的传动结构， 其上、 下移载辊和上、 下贴膜 辊安装在两侧的框形支架上，上、下移载辊通过安装在芯轴上的齿轮组啮合传动， 上、 下贴膜辊也通过安装在芯轴上的齿轮组啮合传动， 上、 下移载辊组成的移载 辊组与上、 下贴膜辊组成的贴膜辊组之间通过中间齿轮啮合传动， 其特征在于： 两框形支架相对的内侧均设置厚支撑板， 厚支撑板的顶部设置 u形槽， 上贴膜 辊的芯轴两端外套设轴承坐于 u形槽内， 下贴膜辊的芯轴两端穿过厚支撑板及 框形支架的通孔， 伸入到两侧的框形支架内， 其外同样套设轴承， 通过轴承坐于 厚支撑板的通孔内；所述下贴膜辊的芯轴为分段式结构，包括中部和两侧的端部， 中部与两侧的端部均通过轴向凹凸配合的结构相插接，下贴膜辊芯轴的一个端部 插入在一侧的框形支架内安装的弹性支座内， 由弹性支座内的弹簧压紧， 另一个 端部则安装在相对的另一个框形支架内。
本实用新型所述的压膜机贴膜辊的传动结构， 通过驱动上、 下移载辊或上、 下贴膜辊中的任何一条辊的芯轴转动， 可带动所有的芯轴转动， 从而使四条辊均 转动， 实现覆膜操作的传动。 由于下贴膜辊的芯轴为分段结构， 其中部与两端通 过轴向的凹凸配合的结构插接，且一个端部插入在弹性支座内； 需要拆卸下贴膜 辊时，通过下贴膜辊的芯轴中部向弹性支架方向按压芯轴一个端部， 芯轴中部与 芯轴另一端部凹凸配合的结构相互脱开后， 即可从脱开的部分将芯轴中部斜拉 出。而通过芯轴中部的一端与芯轴插入在弹性支架中的端部凹凸配合后， 向弹性 支架方向按压芯轴端部， 而后将芯轴中部的另一端与相配合的芯轴端部相对， 去 除按压力，在弹性支架的作用下， 芯轴中部的另一端就能与另一端的芯轴端部通 过凹凸结构嵌合插接， 从而完成下贴膜辊的安装。
所述的压膜机贴膜辊的传动结构， 不拆除上贴膜辊就能直接拆卸下贴膜辊， 下贴膜辊的拆卸简单、 方便。 同时， 其下贴膜辊的芯轴为分段式结构， 拆卸下贴 膜辊时， 可仅芯轴的中段载下贴膜辊拆下， 而两端不需要拆卸， 安装在芯轴端部 的啮合齿轮不需要拆卸， 下贴膜辊的更换操作中， 啮合传动的齿轮不需要拆装， 不需要再次校准， 操作简单， 且能可靠保证啮合传动精度。 此外， 两侧的框形 支架相对的内侧设置有厚支撑板， 各辊均通过轴承安装于厚支撑板的槽、 孔内， 厚支撑板的厚度大， 其上形成的槽与芯轴的轴承之间形成宽度较大的面接触， 接 触处其不易磨损变形， 长时间使用仍能保证良好的尺寸精度， 使传动结构保持良 好的啮合传动精度， 使用寿命长。
两侧的框形支架上还可分别安装一对托轮，托轮位于下贴膜辊芯轴的中部与 两端部相互插接的轴向凹凸配合结构的对接处的下方，从两侧托住芯轴中部与两 侧端部的对接处。通过托轮对插接部位的支撑， 可预防凹凸配合位置安装不当时 芯轴掉下损坏， 正常使用时为下贴膜辊芯轴提供支撑力， 有效提高下贴膜辊芯轴 的使用寿命。
附图说明
图 1 为一种现有的压膜机贴膜装置的传动结构的示意图。
图 2为本实用新型的压膜机贴膜装置的传动结构的示意图。
图 3 为图 2所示压膜机贴膜装置的传动结构一端的局部放大示意图。
图 4为图 3去处盖板后的示意图。
图 5 为图 2所示压膜机贴膜装置的传动结构另一端的局部放大示意图。 图 6 为图 5去处盖板后的示意图。
图 7 为下贴膜辊安装示意图。
具体实施方式
一种压膜机贴膜辊的传动结构， 如图 2-6， 两侧的框形支架 1上， 上移载辊 21、 下移载辊 22、 上贴膜辊 31、 下贴膜辊 32两对辊， 上移载辊 21和下移载辊 22的芯轴上分别安装有齿轮 23和齿轮 24， 齿轮 23和齿轮 24相啮合， 构成相互 传动的齿轮组。 上贴膜辊 31和下贴膜辊 32的芯轴上也分别安装有齿轮 33和齿 轮 34， 齿轮 33和齿轮 34同样相啮合构成相互传动的齿轮组。 上、 下移载辊 21、 22组成的移载辊组与上、 下贴膜辊 31、 32组成的贴膜辊组之间通过中间齿轮啮 合传动； 如下贴膜辊芯轴的另一端安装齿轮 41， 下移载辊芯轴的另一端安装齿 轮 42， 中间齿轮 43同时与齿轮 41和齿轮 42啮合， 如图 4; 又如： 上贴膜辊芯 轴的另一端与上移载辊芯轴的另一端设置相对应的通过中间齿轮同时啮合的齿 轮； 再如： 中间齿轮同时与上、 下贴膜辊和上、 下移载辊上安装的两对啮合齿轮 向啮合， 即： 中间齿轮同时与齿轮 23和齿轮 33啮合， 或者中间齿轮同时与齿轮 24和齿轮 34啮合。 两框形支架 1相对的内侧均设置厚支撑板 5， 厚支撑板的顶 部设置 U形槽 51， 上贴膜辊的芯轴 36两端外套设轴承 6坐于 U形槽 51内， 下 贴膜辊 32的芯轴 35两端穿过厚支撑板 5及框形支架 1的通孔 52， 伸入到两侧 的框形支架内， 其外同样套设轴承 8， 通过轴承 8坐于厚支撑板的通孔 52内； 所述下贴膜辊的芯轴 35为分段式结构， 包括中部 351和两侧的端部 352、 353， 中部 351与两侧的端部 352、 353均通过轴向凹凸配合的结构相插接。 轴向凹凸 配合的结构可为沿芯轴的轴向设置的相互配合的插块与插槽。两侧的相互配合的 插块和插槽中， 至少一个为非轴对称结构， 通过非轴对称结构可限制对接处的相 对转动， 从而避免下贴膜辊转动时， 芯轴的中部与两侧的端部发生相对转动。所 述非轴对称的结构， 可为两个以上非同心排列的相配合的插槽和拆块， 也可为一 个方形、 椭圆形、 三角形、 六边形等非轴对称的插块和与之对应形状的插槽等。 下贴膜辊芯轴 35的一个端部 352插入在一侧的框形支架 1内安装的弹性支座 9 内， 由弹性支座 9内的弹簧 94压紧， 另一个端部 353则安装在相对的另一个框 形支架 1内。
两侧的框形支架 1上还可分别安装一对托轮 10， 托轮位于下贴膜辊芯轴 35 的中部 351与两端部 352、 353相互插接的轴向凹凸配合结构的对接处的下方， 从两侧托住芯轴中部 351与两侧端部 352、 353的对接处， 如图 3-6。
所述弹性支座 9， 如图 7， 包括固定在框形支架上的外框 91， 外框内设置与 通孔 52相对的滑动通道 92， 按压块 93置于滑动通道内可滑动， 按压块的一侧 与外框之间设置压簧 94， 其另一侧与穿过厚支撑板 5及框形支架 1的通孔 52的 下贴膜辊芯轴的端部相抵紧。当下贴膜辊芯轴的端部受中部的按压时， 下贴膜辊 芯轴的端部能够通过按压块 93将按压力传递给压簧 94， 使压簧压缩， 按压块沿 滑动通道移动，从而使下贴膜辊芯轴中部顶压该侧芯轴的端部一同移动， 芯轴中 部与另一侧的端部则在插接处脱开， 从而可方便抽取芯轴中部及其上的下贴膜 辊。 同理， 安装芯轴中部及下贴膜辊时， 则将芯轴中部与设置弹性支座侧的芯轴 端部通过轴向相配合的凹凸结构对接， 之后施力按压使端部抵住按压块 93， 通 过按压块压缩压簧 94， 而后将芯轴中部的另一端与另一侧的芯轴端部对接， 卸 除按压力， 在压簧弹力的作用下， 该另一端通过轴向相配合的凹凸结构对接。 外 框可以由两块边板 91b、 91c通过中间的杆件 91a连接而成， 如图 6。
所述中间齿轮 4也位于与两对齿轮组相对的另一侧，即中间齿轮 4与两对啮 合传动的齿轮组不在同一侧，下贴膜辊的芯轴和下移载辊的芯轴在中间齿轮侧也 分别设置传动齿轮， 中间齿轮与该两个传动齿轮同时啮合传动， 如图 2、 图 4、 图 6所示。该侧下移载辊的芯轴上还可设置链轮， 通过链轮驱动下移载辊从而带 动下移载辊上的传动齿轮转动，经中间齿轮 4带动下贴膜辊， 下移载辊和下贴膜 辊再通过另一侧的相啮合的齿轮组带动上移载辊和上贴膜辊，从而实现整个压膜 机的传动。

Claims

权 利 要 求 书
1. 一种压膜机贴膜辊的传动结构， 上、下移载辊（21、 22)和上、下贴膜辊（31、 32) 安装在两侧的框形支架 （1 ) 上， 上、 下移载辊通过安装在芯轴上的齿轮组 啮合传动， 上、 下移载辊组成的移载辊组与上、 下贴膜辊组成的贴膜辊组之间通 过中间齿轮啮合传动， 其特征在于： 两框形支架 (1)相对的内侧均设置厚支撑板
(5)， 厚支撑板的顶部设置 U形槽 （51 )， 上贴膜辊的芯轴 （36) 两端外套设轴 承 （6) 坐于 U形槽内， 下贴膜辊的芯轴 （35) 两端穿过厚支撑板及框形支架的 通孔 （52)， 伸入到两侧的框形支架内， 其同样外套设轴承 （8)， 通过轴承 （8) 坐于厚支撑板的通孔内；所述下贴膜辊的芯轴 (35)为分段式结构，包括中部 (351 ) 和两侧的端部 （352、 353)， 中部与两侧的端部均通过轴向凹凸配合的结构相插 接， 下贴膜辊芯轴的一个端部 （352) 插入在一侧的框形支架内安装的弹性支座
(9) 内， 由弹性支座内的弹簧（91 )压紧， 另一个端部 （353)则安装在相对的 另一个框形支架内。
2. 根据权利要求 1所述的压膜机贴膜辊的传动结构， 其特征在于： 两侧的框形 支架上还可分别安装一对托轮（10)， 托轮位于下贴膜辊芯轴的中部（351 )与两 端部（352、 353)相互插接的轴向凹凸配合结构的对接处的下方， 从两侧托住芯 轴中部与两侧端部的对接处。
3. 根据权利要求 1所述的压膜机贴膜辊的传动结构， 其特征在于： 所述弹性支 座 （9)， 包括固定在框形支架上的外框 （91 )， 外框内设置与通孔 （52) 相对的 滑动通道 （92)， 按压块 （93) 置于滑动通道内可滑动， 按压块的一侧与外框的 壁面之间设置压簧 （94)， 其另一侧与穿过厚支撑板 （5) 及框形支架 （1 ) 的通 孔 （52) 的下贴膜辊芯轴的端部相抵紧。
4. 根据权利要求 1至 3中任何一项所述的压膜机贴膜辊的传动结构， 其特征在 于： 下贴膜辊芯轴的中部 （351 ) 与两侧的端部 （352、 353) 相插接的轴向凹凸 配合结构为相互配合的插块和插槽中。
5. 根据权利要求 4所述的压膜机贴膜辊的传动结构， 其特征在于： 下贴膜辊芯 轴的中部与两侧的端部相互配合的插块和插槽中，至少有一侧的相互配合的插块 和插槽为非轴对称结构。
PCT/CN2014/072600 2013-09-13 2014-02-27 一种压膜机贴膜辊的传动结构 WO2015035752A1 (zh)

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