WO2017088142A1 - 吸附盘及具有该吸附盘的真空吸盘 - Google Patents

吸附盘及具有该吸附盘的真空吸盘 Download PDF

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Publication number
WO2017088142A1
WO2017088142A1 PCT/CN2015/095667 CN2015095667W WO2017088142A1 WO 2017088142 A1 WO2017088142 A1 WO 2017088142A1 CN 2015095667 W CN2015095667 W CN 2015095667W WO 2017088142 A1 WO2017088142 A1 WO 2017088142A1
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WO
WIPO (PCT)
Prior art keywords
suction cup
rubber layer
suction
adsorption
slider
Prior art date
Application number
PCT/CN2015/095667
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English (en)
French (fr)
Inventor
黄健明
Original Assignee
江门市安豪贸易有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 江门市安豪贸易有限公司 filed Critical 江门市安豪贸易有限公司
Priority to PCT/CN2015/095667 priority Critical patent/WO2017088142A1/zh
Priority to CN201580046766.6A priority patent/CN107250574B/zh
Priority to NZ725903A priority patent/NZ725903B/en
Priority to EP15909053.9A priority patent/EP3382218B1/en
Priority to MX2016016422A priority patent/MX2016016422A/es
Priority to MYPI2016704462A priority patent/MY195380A/en
Priority to US15/779,072 priority patent/US10502256B2/en
Publication of WO2017088142A1 publication Critical patent/WO2017088142A1/zh

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B47/00—Suction cups for attaching purposes; Equivalent means using adhesives

Definitions

  • the invention relates to the field of adsorption and fixation technology, in particular to a suction disk and a vacuum suction cup having the same.
  • the suction cup device is a kind of hanging tool that adsorbs on the object by utilizing the difference between the internal and external atmospheric pressures.
  • the vacuum chuck is a commonly used suction cup device and is widely used in industrial and household applications. Households mainly meet the needs of people hanging objects at any time. Because it has the characteristics of being able to be put on and off, it is used to hang towel clothes and the like.
  • the vacuum chuck generally includes a suction cup body and a slider pushing mechanism.
  • the slider pushing mechanism drives the suction cup body to adsorb or desorb on the wall or other supporting body.
  • the slider pushing mechanism mainly adopts a slope step form, and mainly includes a slider and a slider.
  • the cover, the suction cup cover, the pin shaft and the sliding block are provided with a step surface, the connecting end of the suction cup is connected to the suction cup cover through the pin shaft, the sliding block is slidably connected with the suction cup cover, and the pin shaft is horizontally disposed on the step surface of the sliding block, and the sliding cover Covers the upper surface of the slider.
  • the user pushes the slider cover to reciprocate, and drives the slider to move, the step surface of the slider moves relative to the pin shaft, and then the pin shaft moves perpendicularly to the adsorption surface, or when the pin moves in the axial direction, the suction cup body and the support body A vacuum zone is formed, and the vacuum chuck is fixed to the support body; when the pin shaft moves downward with the step face, the suction cup body is close to the support body, releasing the vacuum region between the suction cup body and the support body, and releasing the adsorption between the suction cup body and the support body.
  • the suction surface of the suction cup body and the support body is generally made of hard rubber.
  • the hard rubber has a relatively strong supporting ability, the adsorption force of the hard rubber adsorption surface and the surface unevenness is not strong, which limits the vacuum suction cup on the surface. Application in an uneven environment.
  • the object of the present invention is to provide a vacuum chuck which can be reliably adsorbed on a watch
  • the surface of the support is uneven.
  • An adsorption tray comprising a suction cup body having a connecting portion on an outer side thereof, an inner side having an adsorption surface, the suction cup body comprising a soft rubber layer and a hard rubber layer, wherein the soft rubber layer and the hard rubber layer together form the The adsorption surface of the suction cup body, wherein the hardness of the soft rubber layer is smaller than the hardness of the hard rubber layer.
  • the adsorption surface of the suction cup body is formed by a soft rubber layer and a hard rubber layer, and the hard rubber layer can provide suction cup body adsorption.
  • the better support strength when the load is in the state the surface of the soft rubber layer is softer than the hard rubber layer.
  • the soft rubber layer is easily deformed under the action of the adsorption pressure, so that the soft rubber layer can be better filled in the support.
  • the surface of the body is favorable for sealing with the surface of the support body, increasing the adsorption capacity of the suction cup body and the uneven surface, facilitating the application of the vacuum suction cup in the surface concave and convex environment, and expanding the application range of the vacuum suction cup.
  • the soft rubber layer is a ring structure, and a surface of the hard rubber layer is provided with a mounting groove that is matched with the soft rubber layer, and an outer surface of the soft rubber layer is not lower than the hard surface.
  • the outer surface of the glue layer is not lower than the hard surface.
  • the thickness of the annular structure gradually increases from the outside to the inside in the radial direction and from the outside to the inside.
  • the mounting slot is a multi-stepped structure.
  • the hard rubber layer is injection molded or pressed into the soft rubber layer.
  • the present invention also provides a vacuum chuck comprising a suction tray, a suction cup cover, a slider assembly, and an elastic member;
  • a connecting portion of the suction disc is positioned on the suction cup cover by a mandrel, and the elastic member is disposed therebetween
  • the slider assembly includes a slider having a stepped surface and a slider cover fastened to the slider;
  • the adsorption disk is the adsorption disk according to any one of the above.
  • the outer side of the suction cup has a circumferentially extending protrusion extending rearward, and the corresponding side of the suction cup cover has a groove that fits with the circumferential protrusion.
  • an outer diameter of the outer side surface of the suction cup body is larger than an outer diameter of the circumferential protrusion, and the suction tray and the suction cup cover are disposed at an outer edge portion of the axial protrusion. The corresponding surface of the suction cup cover.
  • the outer side of the suction cup cover is provided with two sliding rails, two of the sliding rails are used for slidingly engaging with the sliding block, and the outer side of the suction cup cover is provided with a boss, two of A slide rail is disposed on the surface of the boss.
  • the outer surface of the suction cup cover is further provided with a hanging groove, the hanging groove opening is outward; when the vacuum suction cup is in a non-adsorbing state, the slider is located in the hanging groove Upper or lower; when the vacuum chuck is in an adsorption state, the slider is placed at the opening position of the hanging slot.
  • FIG. 1 is a schematic structural view of a suction disk of the present invention
  • Figure 2 is an exploded view of the adsorption tray shown in Figure 1;
  • Figure 3 is a partial enlarged view of the connection position of the soft rubber layer and the hard rubber layer
  • Figure 5 is a schematic view showing the vacuum chuck of the present invention in a non-adsorbed state
  • Figure 6 is a cross-sectional view taken along line E-E of Figure 5;
  • Figure 7 is a schematic view showing the vacuum chuck of the present invention in an adsorbed state
  • Figure 8 is a cross-sectional view taken along line F-F of Figure 7;
  • Figure 9 is a schematic view showing the specific structure of the suction cup cover of the present invention.
  • Figure 10 is a cross-sectional view of the suction cup cover of Figure 9;
  • Figure 11 is a schematic view showing the assembly of the suction cup cover and the adsorption tray
  • Figure 12 is an enlarged view of a portion A in Figure 11 .
  • this paper proposes a technical scheme that takes into account the service life and strength of the suction cup body and obtains strong adsorption force against the uneven surface environment.
  • the specific description is as follows.
  • FIG. 1 is a schematic structural view of a suction disk of the present invention
  • FIG. 2 is an exploded view of the adsorption disk illustrated in FIG. 1 .
  • the invention provides a suction disc, which is mainly applied to a vacuum suction cup.
  • the adsorption tray comprises a suction cup body 6.
  • the outer side of the suction cup body 6 is provided with a connecting portion.
  • the specific structure of the connecting portion will be specifically described below, and the inside of the suction cup body 6 is specifically introduced.
  • the side has an adsorption surface.
  • the chuck body 6 includes a soft rubber layer 62 and a hard rubber layer 61, and the soft rubber layer 62 and the hard rubber layer 61 collectively form an adsorption surface of the chuck body 6.
  • the adsorption surface described herein refers to the surface of the vacuum chuck that is in absorbing contact with the support.
  • the material of the hard rubber layer 61 commonly used in the adsorption tray can refer to the prior art.
  • the hard rubber layer 61 herein can be the material constituting the adsorption surface of the suction cup body 6 in the prior art. Accordingly, the hardness of the soft rubber layer 62 is smaller than that of the hard rubber layer. The hardness of 61 is low and the adhesion is high.
  • the adsorption surface of the suction cup body 6 is formed by the soft rubber layer 62 and the hard rubber layer 61, and the hard rubber layer 61 can provide the suction cup body. 6
  • the soft rubber layer 62 is easily deformed under the action of the adsorption pressure, so that the soft rubber layer 62
  • the utility model can be better filled on the surface of the support body, is favorable for sealing with the surface of the support body, increases the adsorption capacity of the suction cup body 6 and the uneven surface, is beneficial to the application of the vacuum suction cup in the surface concave and convex environment, and expands the application range of the vacuum suction cup.
  • the technical solution is further introduced by taking the suction cup body 6 as a vacuum suction cup as an example.
  • FIG. 4 is an exploded view of the vacuum chuck.
  • the vacuum chuck includes an adsorption tray, a suction cup cover 4, a slider assembly, and an elastic member 5.
  • the connection portion of the adsorption tray is specifically a mounting post 63 having a lateral through hole 6a, and a mandrel 2 is disposed inside the horizontal through hole 6a.
  • the column 63 is positioned on the suction cup cover 4 through the mandrel 2 .
  • the suction cup cover 4 is provided with two limiting blocks 43 for upper and lower limit positions.
  • the mandrel 2 is simultaneously limited between the two limiting blocks 43 .
  • the direction can be moved relatively.
  • an elastic member 5 is further provided between the suction cup cover 4 and the suction tray, and the elastic member 5 may be a coil spring, and of course, other elastic members 5.
  • the slider assembly includes a slider 3 having a stepped surface and a slider cover 1 fastened to the slider 3; the arrangement of the stepped surface can be referred to FIG. 4, and the stepped surface has at least two steps for positioning the mandrel 2 When the mandrel 2 is positioned at the first step, the chuck body 6 is in a non-adsorbing state; when the mandrel 2 is positioned at the second step, the chuck body 6 is in an adsorbed state.
  • FIG. 5 is a schematic view of the vacuum suction cup in the non-adsorbed state
  • FIG. 6 is a schematic cross-sectional view of the EE of FIG. 5
  • FIG. 7 is a schematic view of the vacuum suction cup in the adsorption state
  • Figure 8 is a schematic cross-sectional view of the FF of Figure 7; the specific working process of the vacuum chuck is as follows:
  • FIG. 5 and FIG. 6 are schematic diagrams showing the vacuum chuck in a non-adsorbing state.
  • the slider cover 1 is pushed downward, and the slider 3 is also moved together by the slider cover 1.
  • the slider 3 moves downward, and the step surface of the slider 3 contacting the mandrel 2 is gradually raised from the bottom to the top. Therefore, under the abutting action of the step surface, the mandrel 2 drives the suction cup body 6 to gradually move to the left due to the suction cup.
  • the circumferential direction of the body 6 abuts against the suction cup cover 4, so that the intermediate portion of the suction cup body 6 is deformed to form a vacuum region, and the vacuum suction cup is adsorbed to the surface of the support.
  • the soft rubber layer 62 of the chuck body 6 in each of the above embodiments may have an annular structure, and the surface of the hard rubber layer 61 is provided with a mounting groove that is matched with the soft rubber layer 62, and the outer surface of the soft rubber layer 62. Not less than the outer surface of the hard rubber layer 61, that is, after installation, the soft rubber layer 62 is on the same plane as the outer surface of the hard rubber layer 61 or slightly higher than the outer surface of the hard rubber layer 61.
  • the soft rubber layer 62 is evenly arranged along the circumferential direction of the suction cup body 6, when the vacuum suction cup is in the adsorption state.
  • the soft rubber layer 62 is relatively uniform in deformation, which is favorable for sealing contact with the support body in the circumferential direction, so as to improve the reliability of vacuum chuck adsorption.
  • FIG. 3 is a partial enlarged view of the connection position of the soft rubber layer and the hard rubber layer.
  • the thickness of the annular structure gradually increases from the outside to the inside in the radial direction. It should be noted that, in this paper, the center of the ring is defined as inner, and the other end of the corresponding radius extension is defined as outside.
  • annular structure described herein may have the same shape of both the inner surface and the outer surface, such as a circle, a square, etc., although the inner surface and the outer surface may also have different shapes.
  • This paper gives a schematic diagram of the structure with the inner surface as a circle and the outer surface as a square.
  • the mounting of the soft rubber layer 62 and the hard rubber layer 61 may be in various forms such as injection molding or press molding.
  • the mounting groove on the surface of the hard rubber layer 61 can be designed as a multi-step surface structure. Accordingly, the mounting portion of the soft rubber layer 62 is also a multi-step surface, so that the two are increased by multi-step forming. The reliability of both positioning.
  • the middle portion of the suction cup body 6 is deformed inward to form a vacuum region.
  • the periphery of the suction cup body 6 is generally fixed to the suction cup cover 4 by a pressing process.
  • the pressing portion of the suction cup body 6 and the suction cup cover 4 is easily displaced after being used for a plurality of times. Therefore, on the basis of the above embodiments, the problem of the displacement deformation technology of the suction cup body 6 and the suction cup cover 4 is further solved, as follows.
  • FIG. 9 is a schematic structural view of the suction cup cover of the present invention
  • FIG. 10 is a cross-sectional view of the suction cup cover illustrated in FIG. 9
  • FIG. 11 is a schematic view showing the assembly of the suction cup cover and the adsorption tray; It is an enlarged view of A in Fig. 11.
  • the outer side of the suction cup body 6 has a rearwardly extending circumferential projection 64, the corresponding side of the suction cup cover 4 having a recess 4b that fits with the circumferential projection 64.
  • the circumferential protrusion of the suction cup body 6 is installed inside the groove 4b, so that when the middle portion of the suction cup body 6 is deformed, the groove 4b plays a certain limit on the circumferential protrusion 64, thereby avoiding The outer edge of the suction cup body 6 moves inward.
  • the suction tray may be further disposed as follows: in each of the above embodiments, the outer diameter of the outer side surface of the suction cup body 6 is larger than the outer diameter of the circumferential projection 64, and is adsorbed. After the disk and the suction cup cover 4 are mounted, the edge portion 65 located outside the circumferential projection 64 abuts against the corresponding surface of the suction cup cover 4. Thus, the suction cup cover 4 and the suction tray can form a reliable sealing structure.
  • the outer side of the suction cup cover 4 is provided with two slide rails 42, two of which are configured to slide with the slider 3, and the outer side of the suction cup cover 4 may be provided with The boss 41 and the two slide rails are disposed on the surface of the boss 41.
  • the slider 3 when the slider 3 reciprocates, the slider 3 is in sliding contact with the boss 41 to prevent the slider 3 from contacting the surface of the chuck cover 4, and reducing the friction on the surface of the suction cup cover 4, which is not only beneficial for maintaining the surface of the suction cup cover 4.
  • the light is clean, and the slider 3 is partially in contact with the boss 41, the contact area is relatively small, the resistance during the sliding motion is relatively small, and the force of the driving slider 3 is relatively small.
  • the outer side surface of the suction cup cover 4 may further be provided with a hanging groove 4a, and the hanging groove is further provided with a buckled card point, the hanging groove 4a opening outward; when the vacuum suction cup is in a non-adsorbing state
  • the slider 3 is located above or below the hanging slot 4a; when the vacuum chuck is in the suction state, the slider 3 is placed at the opening position of the hanging slot 4a.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Hooks, Suction Cups, And Attachment By Adhesive Means (AREA)
  • Sheets, Magazines, And Separation Thereof (AREA)
  • Manipulator (AREA)

Abstract

提供了一种吸附盘及具有该吸附盘的真空吸盘。吸附盘包括吸盘本体（6），吸盘本体外侧具有连接部，内侧具有吸附表面。吸盘本体包括软胶层（62）和硬胶层（61），软、硬胶层共同形成吸盘本体的吸附表面。软胶层的硬度小于硬胶层的硬度。在吸附状态时，硬胶层能够提供较佳的支撑强度。软胶层在吸附压力的作用下容易变形，可以更好地填充于支撑体表面，有利于与支撑体表面密封。软、硬胶层增加了吸盘本体与凹凸不平表面的吸附能力，扩大了真空吸盘的应用范围。

Description

吸附盘及具有该吸附盘的真空吸盘 技术领域
本发明涉及吸附固定技术领域，特别涉及一种吸附盘及具有该吸附盘的真空吸盘。
背景技术
吸盘装置是一种利用内外大气压力的差别，吸附在物体上的一种挂件工具。
真空吸盘为目前常见的一种吸盘装置，在工业和家用应用比较广泛。家用主要满足人们随时挂生活物件的需要。由于它具有可拿可放的特性，所以被用于悬挂毛巾衣物等。
真空吸盘通常包括吸盘本体和滑块推送机构，滑块推送机构驱动该吸盘本体吸附或解除吸附于墙体或其他支撑体上，滑块推送机构主要采用斜面台阶形式，主要包括滑块、滑块盖、吸盘罩、销轴，滑块设有台阶面，吸盘的连接端通过销轴连接吸盘罩，滑块与吸盘罩滑动连接，并且所述销轴横设于滑块台阶面，滑块盖盖合于滑块的上表面。
使用者推动滑块盖往复运动，带动滑块动作，滑块台阶面相对销轴运动，进而销轴垂直于吸附面向上或向下动作，当销轴向上动作时，吸盘本体与支撑体之间形成真空区，真空吸盘固定于支撑体；当销轴随台阶面向下动作时，吸盘本体靠近支撑体，释放吸盘本体与支撑体之间的真空区域，解除吸盘本体与支撑体之间的吸附。
目前，吸盘本体与支撑体接触的吸附面一般采用硬胶，硬胶虽然具有比较强的支撑能力，但是硬胶吸附面与表面凹凸不同的支撑体吸附力不强，限制了真空吸盘在表面凹凸不平环境中的应用。
因此，鉴于以上问题，如何改进现有技术中真空吸盘的结构，使其能够较好的应用于表面凹凸不平环境中，是本领域内技术人员亟待解决的技术问题。
发明内容
本发明的目地在于提供一种真空吸盘，该真空吸盘能够可靠吸附于表 面凹凸不平支撑体表面。
为实现上述目地，本发明采用如下技术方案：
一种吸附盘，包括吸盘本体，所述吸盘本体的外侧具有连接部，内侧具有吸附表面，吸盘本体包括软胶层和硬胶层，所述软胶层和所述硬胶层共同形成所述吸盘本体的吸附表面，其中，所述软胶层的硬度小于所述硬胶层的硬度。
与现有技术中采用单一的硬胶形成吸附表面或者单一的软胶形成吸附表面相比，本文中吸盘本体的吸附表面由软胶层和硬胶层共同形成，硬胶层能够提供吸盘本体吸附状态承重时较佳的支撑强度，软胶层表面比硬胶层软，当吸盘本体处于吸附状态时，软胶层在吸附压力的作用下容易变形，这样软胶层可以更好地填充于支撑体表面，有利于与支撑体表面密封，增加吸盘本体与凹凸不平表面的吸附能力，有利于真空吸盘在表面凹凸环境中的应用，扩大了真空吸盘的应用范围。
可选的，所述软胶层为环形结构，所述硬胶层的表面设有与所述软胶层配合安装的安装槽，且所述软胶层的外表面不低于与所述硬胶层外表面。
可选的，沿径向由外向内，由外向内，所述环形结构的厚度逐渐增大。
可选的，所述安装槽为多台阶面结构。
可选的，所述硬胶层与所述软胶层注塑一体成型或者压合成型。
此外，本发明还提供了一种真空吸盘，包括吸附盘、吸盘罩、滑块组件、弹性部件；
所述吸附盘的连接部通过芯轴定位于所述吸盘罩，并且两者之间设置有所述弹性部件，
所述滑块组件包括具有台阶面的滑块、扣合于滑块上的滑块盖；其特征在于，
所述吸附盘为上述任一项所述的吸附盘。
可选的，所述吸盘本体外侧面具有向后延伸的周向凸起，所述吸盘罩的相应侧面具有与所述周向凸起配合安装的凹槽。
可选的，所述吸盘本体的外侧面的外径大于所述周向凸起的外径，所述吸附盘与所述吸盘罩安装后，位于所述轴向凸起以外边缘部抵靠所述吸盘罩的相应表面。
可选的，所述吸盘罩的外侧面设置有两个滑轨，两个所述滑轨用于与所述滑块配合滑动，并且所述吸盘罩的外侧面设置有凸台，两所述滑轨设于所述凸台表面。
可选的，所述吸盘罩的外侧面还进一步设置有挂接槽，所述挂接槽开口朝外；当所述真空吸盘处于非吸附状态时，所述滑块位于所述挂接槽的上方或下方；当所述真空吸盘处于吸附状态时，所述滑块置于所述挂接槽开口位置。
附图说明
为了更清楚地说明本发明实施例或现有技术中的技术方案，下面将对实施例或现有技术描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本发明的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。
图1为本文一种吸附盘的结构示意图；
图2为图1所示吸附盘的爆炸图；
图3为软胶层与硬胶层连接位置局部放大图；
图5为本文真空吸盘处于非吸附状态的示意图；
图6为图5的E-E剖视示意图；
图7为本文真空吸盘处于吸附状态的示意图；
图8为图7的F-F剖视示意图；
图9为本文吸盘罩的具体结构示意图；
图10为图9所示吸盘罩的剖视图；
图11为吸盘罩与吸附盘装配示意图；
图12为图11中A处放大图。
其中，图1至图12中部件名称与附图标记之间的一一对应关系如下所示：
滑块盖1、芯轴2、滑块3、吸盘罩4、凸台41、滑轨42、限位块43、挂接槽4a、凹槽4b、弹性部件5、吸盘本体6、硬胶层61、软胶层62、安装柱63、周向凸起64、边缘部65、横向通孔6a。
具体实施方式
针对现有技术中存在的真空吸盘吸附凹凸不平表面吸附力差技术问题，本文进行了深入研究，研究发现：为了达到吸盘本体的使用强度及使用寿命，现有技术中吸盘本体往往采用硬胶。该硬度值范围内的硬胶不易变形，当其与凹凸不平表面吸附接触式，难于凹凸不同的表面形成密封空间，导致吸附力比较差，因此限制了真空吸盘在表面凹凸不平环境中的应用。
在上述研究的基础上，本文提出了兼顾吸盘本体的使用寿命、强度，获取对表面凹凸不平环境的强吸附力的技术方案，具体描述如下。
为了使本领域内技术人员更好地理解本文技术方案，以下结合附图及具体实施例对技术方案进行了详细阐述。
请参考图1至图2，图1为本文一种吸附盘的结构示意图；图2为图1所示吸附盘的爆炸图。
本发明提供了一种吸附盘，主要应用于真空吸盘，吸附盘包括吸盘本体6，吸盘本体6的外侧面设置有连接部，以下将对连接部的具体结构进行具体介绍，吸盘本体6的内侧面具有吸附表面。吸盘本体6包括软胶层62和硬胶层61，软胶层62和硬胶层61共同形成吸盘本体6的吸附表面。本文中所述的吸附表面是指真空吸盘与支撑体吸附接触的表面。吸附盘常用的硬胶层61材料可以参考现有技术，本文中的硬胶层61可以为现有技术中组成吸盘本体6吸附表面的材料，相应地，软胶层62的硬度比硬胶层61的硬度要低，黏着性要高。
与现有技术中采用单一的硬胶或单一的软胶形成吸附表面相比，本文中吸盘本体6的吸附表面由软胶层62和硬胶层61共同形成，硬胶层61能够提供吸盘本体6吸附状态承重时较佳的支撑强度，软胶层62表面比硬胶层61软，当吸盘本体6处于吸附状态时，软胶层62在吸附压力的作用下容易变形，这样软胶层62可以更好地填充于支撑体表面，有利于与支撑体表面密封，增加吸盘本体6与凹凸不平表面的吸附能力，有利于真空吸盘在表面凹凸环境中的应用，扩大了真空吸盘的应用范围。
本文以吸盘本体6应用于真空吸盘为例进一步介绍技术方案。
请结合图4，图4为真空吸盘的爆炸图。真空吸盘包括吸附盘、吸盘罩4、滑块组件、弹性部件5；其中，吸附盘的连接部具体为开设有横向通孔6a的安装柱63，横向通孔6a内部设有芯轴2，安装柱63通过芯轴2定位于吸盘罩4，具体地，吸盘罩4上设置有用于上下限位的两限位块43，芯轴2同时限位于两限位块43之间，芯轴2前后方向可相对移动。另外，吸盘罩4与吸附盘之间还设置有弹性部件5，弹性部件5可以为螺旋弹簧，当然也可以为其他弹性部件5。
滑块组件包括具有台阶面的滑块3、扣合于滑块3上的滑块盖1；台阶面的设置可以参考图4中所示，台阶面至少具有两个使芯轴2定位的台阶，当芯轴2定位于第一台阶时，吸盘本体6处于非吸附状态；当芯轴2定位于第二台阶时，吸盘本体6处于吸附状态。
请综合参考图5、图6和图7、图8，图5为本文真空吸盘处于非吸附状态的示意图；图6为图5的E-E剖视示意图；图7为本文真空吸盘处于吸附状态的示意图；图8为图7的F-F剖视示意图；本文真空吸盘的具体工作过程如下：
图5和图6为真空吸盘处于非吸附状态的示意图，当需要将真空吸盘吸附于支撑体表面时，向下推动滑块盖1，在滑块盖1的带动下滑块3也一起运动，滑块3向下运动，因滑块3与芯轴2接触的台阶面由下向上逐渐升高，故在台阶面的抵靠作用下，芯轴2带动吸盘本体6逐渐向左运动，因吸盘本体6的周向抵靠吸盘罩4，故吸盘本体6的中间部分变形，形成真空区域，进而真空吸盘被吸附于支撑体表面。
请参考图7和图8，当需要将真空吸盘自吸附物体拆卸下来时，只需要逆向推动滑块盖1，传动滑块3，芯轴2由滑块3台阶面的高位降至低位，同时在弹性部件5的恢复力作用下，吸盘本体6中间部分变形回复原位，此时吸盘本体6处于非工作状态。
上述各实施例中的吸盘本体6的软胶层62可以为环形结构，硬胶层61的表面设有与所述软胶层62配合安装的安装槽，且所述软胶层62的外表面不低于与所述硬胶层61外表面，也就是说，安装后，软胶层62与所述硬胶层61外表面位于同一平面或者略高于硬胶层61的外表面。
这样，软胶层62沿吸盘本体6周向均匀布置，当真空吸盘处于吸附状 态时，软胶层62变形比较均匀，有利于与支撑体周向密封接触，以提高真空吸盘吸附的可靠性。
从以上真空吸盘的吸附工作状态描述可以看出，真空吸盘中间部分变形比较大，故越靠近真空吸盘中间位置，吸盘本体6与支撑体接触面密封性越弱。
有鉴于此，本文在上述实施例的基础上进行了进一步的改进。
请参考图3，图3为软胶层与硬胶层连接位置局部放大图。
在一种具体的实施方式中，沿径向由外向内，所述环形结构的厚度逐渐增大。需要说明的是，本文将环形中心定义为内，相应地半径延伸的另一端部定义为外。
需要说明的是，本文中所述的环形结构可以为内表面和外表面两者均为相同形状，例如圆形、方形等，当然内表面和外表面也可以为不同形状。本文给出了内表面为圆形，外表面为方形的结构示意图。
软胶层62和硬胶层61的安装可以由多种形式，例如注塑一体成型或者压合成型。为了提高两者的可靠性，硬胶层61表面的安装槽可以设计为多台阶面结构，相应地，软胶层62的安装部也为多台阶面，这样两者通过多台阶面成型增加了两者定位的可靠性。
真空吸盘处于吸附状态时，吸盘本体6中部向内变形形成真空区，现有技术中吸盘本体6的周边一般通过压合工艺与吸盘罩4固定。现有技术中真空吸盘多次使用后吸盘本体6与吸盘罩4的压合处容易移位。故，在上述实施例的基础上，本文进一步解决了吸盘本体6与吸盘罩4移位变形技术问题，具体如下。
请参考图9、图10、图11、图12，图9为本文吸盘罩的具体结构示意图；图10为图9所示吸盘罩的剖视图；图11为吸盘罩与吸附盘装配示意图；图12为图11中A处放大图。
在一种优选的实施方式中，所述吸盘本体6外侧面具有向后延伸的周向凸起64，吸盘罩4的相应侧面具有与周向凸起64配合安装的凹槽4b。真空吸盘装配时，吸盘本体6的周向凸起安装于凹槽4b内部，这样，当吸盘本体6的中间部分变形时，凹槽4b对周向凸起64起到一定的限位作用，避免吸盘本体6的外边缘向内移动。
考虑到吸附盘与吸盘罩4安装后密封性问题，吸附盘可以进一步进行如下设置：上述各实施例中，吸盘本体6的外侧面的外径大于所述周向凸起64的外径，吸附盘与吸盘罩4安装后，位于所述周向凸起64以外的边缘部65抵靠所述吸盘罩4的相应表面。这样吸盘罩4与吸附盘可以形成可靠的密封结构。
请再次参考图9，吸盘罩4的外侧面设置有两个滑轨42，两个所述滑轨42用于与所述滑块3配合滑动，并且所述吸盘罩4的外侧面可以设置有凸台41，两所述滑轨设于所述凸台41表面。
该实施例中，滑块3往复动作时，滑块3与凸台41滑动接触，避免滑块3与吸盘罩4表面接触，减少对吸盘罩4表面的摩擦，不仅有利于保持吸盘罩4表面光洁，而且滑块3局部与凸台41接触，接触面积比较小，滑动运动过程中的阻力比较小，驱动滑块3的作用力比较小。
上述各实施例中，吸盘罩4的外侧面还可以进一步设置有挂接槽4a，挂槽还设置扣位卡点，所述挂接槽4a开口朝外；当所述真空吸盘处于非吸附状态时，所述滑块3位于所述挂接槽4a的上方或下方；当所述真空吸盘处于吸附状态时，所述滑块3置于所述挂接槽4a开口位置。
对所公开的实施例的上述说明，使本领域专业技术人员能够实现或使用本发明。对这些实施例的多种修改对本领域的专业技术人员来说将是显而易见的，本文中所定义的一般原理可以在不脱离本发明的精神或范围的情况下，在其它实施例中实现。因此，本发明将不会被限制于本文所示的这些实施例，而是要符合与本文所公开的原理和新颖特点相一致的最宽的范围。

Claims (10)

  1. 一种吸附盘，包括吸盘本体(6)，所述吸盘本体(6)的外侧具有连接部，内侧具有吸附表面，其特征在于，吸盘本体(6)包括软胶层(62)和硬胶层(61)，所述软胶层(62)和所述硬胶层(61)共同形成所述吸盘本体(6)的吸附表面，其中，所述软胶层(62)的硬度小于所述硬胶层(61)的硬度。
  2. 如权利要求1所述的吸附盘，其特征在于，所述软胶层(62)为环形结构，所述硬胶层(61)的表面设有与所述软胶层(62)配合安装的安装槽，且所述软胶层(62)的外表面不低于与所述硬胶层(61)外表面。
  3. 如权利要求2所述的吸附盘，其特征在于，沿径向由外向内，所述环形结构的厚度逐渐增大。
  4. 如权利要求2所述的吸附盘，其特征在于，所述安装槽为多台阶面结构。
  5. 如权利要求1至4任一项所述的吸附盘，其特征在于，所述硬胶层(61)与所述软胶层(62)注塑一体成型或者压合成型。
  6. 一种真空吸盘，包括吸附盘、吸盘罩、滑块组件、弹性部件(5)；
    所述吸附盘的连接部通过芯轴(2)定位于所述吸盘罩(4)，并且两者之间设置有所述弹性部件(5)，
    所述滑块组件包括具有台阶面的滑块(3)、扣合于滑块上的滑块盖(1)；其特征在于，
    所述吸附盘为权利要求1至5中任一项所述的吸附盘。
  7. 如权利要求6所述的真空吸盘，其特征在于，所述吸盘本体(6)外侧面具有向后延伸的周向凸起(64)，所述吸盘罩(4)的相应侧面具有与所述周向凸起(64)配合安装的凹槽(4b)。
  8. 如权利要求7所述的真空吸盘，其特征在于，所述吸盘本体(6)的外侧面的外径大于所述周向凸起(64)的外径，所述吸附盘与所述吸盘罩安装后，位于所述周向凸起(64)以外边缘部(65)抵靠所述吸盘罩的相应表面。
  9. 如权利要求6所述的真空吸盘，其特征在于，所述吸盘罩(4)的 外侧面设置有两个滑轨(42)，两个所述滑轨(42)用于与所述滑块(3)配合滑动，并且所述吸盘罩(4)的外侧面设置有凸台，两所述滑轨(42)设于所述凸台(41)表面。
  10. 如权利要求6所述的真空吸盘，其特征在于，所述吸盘罩的外侧面还进一步设置有挂接槽(4a)，所述挂接槽(4a)开口朝外；当所述真空吸盘处于非吸附状态时，所述滑块(3)位于所述挂接槽(4a)的上方或下方；当所述真空吸盘处于吸附状态时，所述滑块(3)置于所述挂接槽(4a)开口位置。
PCT/CN2015/095667 2015-11-26 2015-11-26 吸附盘及具有该吸附盘的真空吸盘 WO2017088142A1 (zh)

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