WO2018076655A1 - 卫生用品复合用的超声波焊接装置 - Google Patents

卫生用品复合用的超声波焊接装置 Download PDF

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Publication number
WO2018076655A1
WO2018076655A1 PCT/CN2017/083187 CN2017083187W WO2018076655A1 WO 2018076655 A1 WO2018076655 A1 WO 2018076655A1 CN 2017083187 W CN2017083187 W CN 2017083187W WO 2018076655 A1 WO2018076655 A1 WO 2018076655A1
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WIPO (PCT)
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ultrasonic
movable plate
adjustment
support frame
composite
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PCT/CN2017/083187
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English (en)
French (fr)
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马亮
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广州市兴世机械制造有限公司
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Publication of WO2018076655A1 publication Critical patent/WO2018076655A1/zh

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    • 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
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/08—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using ultrasonic vibrations
    • B29C65/083—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using ultrasonic vibrations using a rotary sonotrode or a rotary anvil
    • B29C65/086—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using ultrasonic vibrations using a rotary sonotrode or a rotary anvil using a rotary anvil
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/48—Wearing apparel
    • B29L2031/4871—Underwear
    • B29L2031/4878—Diapers, napkins

Definitions

  • the present invention relates to the field of sanitary article manufacturing equipment, and more particularly to an ultrasonic welding device for sanitary product compounding.
  • the hot melt adhesive system is used to form the middle of the two layers of materials to be composited.
  • Spray hot melt adhesive for bonding In the process of mass production, on the one hand, due to the high cost of hot melt adhesive raw materials, the production cost of the product is also difficult to be effectively controlled; on the other hand, when hot melt adhesive is used for bonding, the production process includes spraying In the multiple processes such as glue and bonding, the production process is complicated and the production efficiency is low. Therefore, the market price of the product is also high, and the market competitiveness cannot be improved.
  • the object of the present invention is to overcome the deficiencies of the prior art and to provide an ultrasonic welding device for composite of sanitary articles, which has simple structure, high compounding efficiency, low compounding cost, and can completely replace the hot melt adhesive bonding process.
  • an ultrasonic welding device for composite of sanitary articles comprising a support frame, an ultrasonic component, an anvil roller and a spacing adjustment mechanism, a movable plate is arranged in the middle of the support frame, and the ultrasonic component is arranged on the movable plate, the movable plate
  • the two sides are connected with the support frame through the spacing adjustment mechanism, and the spacing adjustment mechanism drives the movable plate and the ultrasonic component to move up and down along the support frame.
  • the anvil roller is disposed under the ultrasonic component, and the anvil roller is connected to the support frame through the rotating shaft.
  • the main function of the spacing adjustment mechanism is to adjust the spacing between the ultrasonic component and the anvil roller to adapt to the thickness of the composite material; the main function of the movable plate is to drive up and down along the support frame under the driving of the spacing adjustment mechanism. Move, thereby driving the ultrasonic component to move up and down to adjust the spacing between the ultrasonic component and the anvil roller.
  • the spacing adjustment mechanism has two groups, which are respectively disposed on two sides of the movable plate; a top plate is arranged in parallel above the movable plate, and the top of the spacing adjustment mechanism is fixedly connected with the top plate.
  • the top plate is located in the middle of the ultrasonic component, on the one hand for fixing the adjusting cylinder in the spacing adjustment mechanism, and on the other hand with the support frame for fixing the indenter cylinder in the ultrasonic assembly.
  • the spacing adjustment mechanism comprises a longitudinal adjustment bolt, an adjustment cylinder and an adjustment slider, the adjustment slider is arranged on the support frame, the bottom of the longitudinal adjustment bolt is connected with the adjustment slider, the top of the longitudinal adjustment bolt is connected with the adjustment cylinder, and the top of the longitudinal adjustment bolt is further Connected to the movable plate by linear bearings.
  • the spacing adjustment mechanism on both sides of the movable plate simultaneously operates to start the adjustment cylinder, adjust the cylinder drive adjustment bolt to move up and down along the adjustment slider, and the movable plate also goes up and down. Moving, the movable plate drives the ultrasonic component to move up and down as a whole.
  • the movable plate is further provided with a compression spring and a linear guide rod, and a compression spring is respectively arranged on both sides of the longitudinal adjustment bolt, and the movable plate and the adjustment slider are connected by a compression spring, and the movable plate moves up and down along the linear guide bar, and the linear guide
  • the lower part of the rod passes through the movable plate and is located inside the compression spring.
  • a precision adjustment mechanism is further disposed under the adjustment slider, the precision adjustment mechanism includes a lateral adjustment screw and an adjustment oblique block, the adjustment screw is disposed on the support frame below the adjustment slider, and the adjustment oblique block is disposed on the adjustment screw; the adjustment slider The bottom has an inclined surface, and the top surface of the adjusting inclined block is also an inclined surface, and the adjusting slider and the adjusting inclined block are connected by the inclined surface.
  • the precision adjustment mechanism is used to finely adjust the spacing between the ultrasonic component and the anvil roller to keep the gap distance consistent, thereby ensuring the bonding effect of the composite material.
  • the lateral adjustment screw drives the adjustment oblique block to move. Since the contact surface of the adjustment oblique block and the adjustment slider is an inclined surface, the movement of the adjustment oblique block drives the adjustment slider to go up or down. Subtle movement, so that the level of the movable plate is adjusted.
  • the inclined surface has an inclination angle of 5 to 30°.
  • the ultrasonic component comprises an ultrasonic pressure head and a pressure head cylinder.
  • the ultrasonic pressure head is fixedly connected with the output end of the pressure head cylinder, the pressure head cylinder is fixed on the movable plate, and the ultrasonic pressure head is located above the anvil roller.
  • the gap between the ultrasonic head and the anvil roll is a conveying passage of the composite material.
  • the surface of the anvil roll is provided with a concavo-convex sealing embossing.
  • the ultrasonic indenter seals and compresses the material passing through the surface of the anvil roll, it can also form a desired surface on the surface of the composite material by using a concavo-convex sealing embossing. Pattern.
  • the support frame has a rectangular frame structure, and the ultrasonic component and the anvil roll are vertically disposed in the support frame.
  • the ultrasonic welding device for the above-mentioned sanitary product
  • the principle is: in the production process of sanitary napkins, pads, baby diapers and the like, the upper and lower layers of materials are passed through the ultrasonic welding device, and the ultrasonic components are The interaction of the anvil roll assembly seals the two layers of material; wherein, during the process of sealing the composite, the indenter cylinder applies and transmits a constant pressure to the ultrasonic indenter, and the parallel between the ultrasonic indenter and the anvil roll The degree is adjusted in advance by the precision adjustment mechanism, and the spacing between the ultrasonic indenter and the anvil roller is adjusted in advance by the spacing adjustment mechanism; when the two layers of material pass through the ultrasonic welding device, the ultrasonic indenter applies ultrasonic vibration to the passing material, and then Through the constant pressure transmitted by the indenter cylinder and the adjusted spacing and precision between the ultrasonic indenter and the anvil roll, the two layers of material can be sealed and combined to form the desired composite material,
  • the invention has the following beneficial effects:
  • the ultrasonic welding device for the composite of the sanitary product adopts the welding function of the ultrasonic device to weld and bond the two layers of materials, replacing the traditional hot melt adhesive bonding process, eliminating the use of the hot melt adhesive raw materials and reducing the production cost. Simplify the bonding process of composite materials, which can effectively improve production efficiency.
  • the spacing between the ultrasonic component and the anvil roller is adjusted by the spacing adjustment mechanism, and the parallelism between the ultrasonic component and the anvil roller is adjusted by the precision adjustment mechanism, thereby effectively ensuring the composite material.
  • the accuracy of the bonding is effective to improve the yield of the product.
  • the embossing required for the product can be formed on the surface of the composite material while the composite material is bonded, thereby further improving the product. Production efficiency and reduced production costs.
  • Figure 1 is a schematic view showing the structure of the ultrasonic welding device.
  • Fig. 2 is a view taken along the line A in Fig. 1;
  • FIG. 3 is a schematic perspective view of the structure of FIG. 1.
  • Fig. 4 is a schematic view showing the principle of the ultrasonic welding device.
  • 1 is the support frame
  • 2 is the anvil roll
  • 3 is the movable plate
  • 4 is the rotating shaft
  • 5 is the top plate
  • 6 is the longitudinal adjusting bolt
  • 7 is the adjusting cylinder
  • 8 is Adjust the slider
  • 9 is the compression spring
  • 10 is the linear guide rod
  • 11 is the lateral adjustment screw
  • 12 is the adjustment oblique block
  • 13 is the inclined surface
  • 14 is the ultrasonic pressure head
  • 15 is the indenter cylinder
  • 16 is the composite material.
  • an ultrasonic welding device for composite of sanitary articles includes a support frame 1, an ultrasonic component, an anvil roller 2, and a spacing adjustment mechanism, and a movable plate 3 is provided in the middle of the support frame, and the ultrasonic component
  • the utility model is disposed on the movable plate, and the two sides of the movable plate are connected with the support frame by a spacing adjustment mechanism, and the spacing adjustment mechanism drives the movable plate and the ultrasonic component to move up and down along the support frame, the anvil roller is disposed under the ultrasonic component, and the anvil roller passes through the rotating shaft 4 Support frame connection.
  • the main function of the spacing adjustment mechanism is to adjust the spacing between the ultrasonic component and the anvil roller to adapt to the thickness of the composite material; the main function of the movable plate is to drive up and down along the support frame under the driving of the spacing adjustment mechanism. Move, thereby driving the ultrasonic component to move up and down to adjust the spacing between the ultrasonic component and the anvil roller.
  • the spacing adjustment mechanism has two groups, which are respectively disposed on two sides of the movable plate; the top plate 5 is arranged in parallel above the movable plate, and the top of the spacing adjusting mechanism is fixedly connected with the top plate.
  • the top plate is located in the middle of the ultrasonic component, on the one hand for fixing the adjusting cylinder in the spacing adjustment mechanism, and on the other hand with the support frame for fixing the indenter cylinder in the ultrasonic assembly.
  • the spacing adjustment mechanism comprises a longitudinal adjustment bolt 6, an adjustment cylinder 7 and an adjustment slider 8.
  • the adjustment slider is arranged on the support frame, the bottom of the longitudinal adjustment bolt is connected with the adjustment slider, the top of the longitudinal adjustment bolt is connected with the adjustment cylinder, and the top of the adjustment bolt is longitudinally adjusted. It is also connected to the movable plate by a linear bearing.
  • the spacing adjustment mechanism on both sides of the movable plate simultaneously operates to start the adjustment cylinder, and the adjustment cylinder drives the longitudinal adjustment bolt to move up and down along the adjustment slider, and the movable plate also follows Moving up and down, the movable plate drives the ultrasonic component to move up and down as a whole.
  • the movable plate is further provided with a compression spring 9 and a linear guide rod 10.
  • the two sides of the longitudinal adjustment bolt are respectively provided with compression springs, and the movable plate and the adjustment slider are connected by a compression spring, and the movable plate moves up and down along the linear guide bar, and the linear guide
  • the lower part of the rod passes through the movable plate and is located inside the compression spring.
  • the compression spring is used to eliminate the overall power of the ultrasonic component and the movable plate, thereby buffering.
  • the precision adjustment mechanism includes a lateral adjustment screw 11 and an adjustment oblique block 12.
  • the adjustment screw is disposed on the support frame below the adjustment slider, and the adjustment oblique block is disposed on the adjustment screw;
  • the bottom surface has an inclined surface, and the top surface of the adjusting inclined block is also an inclined surface, and the adjusting slider and the adjusting oblique block are connected by the inclined surface 13.
  • the precision adjustment mechanism is used to finely adjust the spacing between the ultrasonic component and the anvil roller to keep the gap distance consistent, thereby ensuring the bonding effect of the composite material.
  • the lateral adjustment screw drives the adjustment oblique block to move. Since the contact surface of the adjustment oblique block and the adjustment slider is an inclined surface, the movement of the adjustment oblique block drives the adjustment slider to go up or down. Subtle movement, so that the level of the movable plate is adjusted.
  • the inclined angle of the inclined surface is 5 to 30°. In this embodiment, as an preferable aspect, the inclined angle of the inclined surface is 10°.
  • the ultrasonic component includes an ultrasonic ram 14 and a ram cylinder 15, and the ultrasonic ram is fixedly connected to the output end of the ram cylinder, the ram cylinder is fixed on the movable plate, and the ultrasonic ram is located above the anvil roller.
  • the gap between the ultrasonic head and the anvil roll is the conveying path of the composite material 16, wherein the conveying direction of the composite material is as indicated by the arrow in FIG.
  • the support frame has a rectangular frame structure, and the ultrasonic component and the anvil roll are vertically disposed in the support frame.
  • the ultrasonic welding device for the above-mentioned sanitary product
  • the principle is: in the production process of sanitary napkins, pads, baby diapers and the like, the upper and lower layers of materials are passed through the ultrasonic welding device, and the ultrasonic components are The interaction of the anvil roll assembly seals the two layers of material; wherein, during the process of sealing the composite, a constant pressure is applied to the ultrasonic head by the indenter cylinder, as shown in Figure 4, the ultrasonic head and The parallelism between the anvil rolls is adjusted in advance by the precision adjustment mechanism, and the spacing between the ultrasonic head and the anvil roll is adjusted in advance by the spacing adjustment mechanism; when the two layers of material pass through the ultrasonic welding device, the ultrasonic head passes The material is ultrasonically vibrated, and then the constant pressure transmitted by the indenter cylinder and the adjusted spacing and precision between the ultrasonic indenter and the anvil roll are combined.
  • the two layers of material are compression-combined to form the desired composite material, wherein
  • the ultrasonic indenter can be an ultrasonic device which is commonly used in the market.
  • the surface of the anvil roll is also provided with a concavo-convex sealing embossing.
  • a concavo-convex sealing embossing When the ultrasonic indenter is used for sealing and laminating the material passing through the surface of the anvil roll, it is also possible to form a product on the surface of the composite material by using a concavo-convex sealing embossing. Pattern.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Absorbent Articles And Supports Therefor (AREA)

Abstract

一种卫生用品复合用的超声波焊接装置，包括支撑架（1）、超声波组件、砧辊（2）和间距调节机构，支撑架（1）中部设有活动板（3），超声波组件设于活动板（3）上，活动板（3）两侧通过间距调节机构与支撑架（1）连接，间距调节机构带动活动板（3）及超声波组件沿支撑架（1）进行上下移动，砧辊（2）设于超声波组件下方，砧辊（2）通过转动轴（4）与支撑架（1）连接。该超声波焊接装置通过利用超声波装置的焊接功能，对两层材料进行焊接粘合；通过间距调节机构调整超声波组件与砧辊（2）之间的间距，再利用精度调节机构对超声波组件与砧辊（2）之间的平行度进行调整，可有效保证复合材料粘合的精确性。

Description

卫生用品复合用的超声波焊接装置 技术领域
本发明涉及卫生用品制造设备领域，特别涉及一种卫生用品复合用的超声波焊接装置。
背景技术
在传统的一次性卫生用品(如卫生巾，护垫，婴儿尿裤等)中，在生产过程中若需要对两层材料进行复合，都是使用热熔胶系统对两层需要复合的材料中间喷洒热熔胶进行粘合。在大批量生产的过程中，一方面，由于热熔胶原料成本较高，因此产品的生产成本也难以得到有效的控制；另一方面，采用热熔胶进行粘合时，其生产工艺包括喷胶和粘合等多个工序，生产工艺较为复杂，生产效率较低，因此，产品的市场价格也会较高，无法提高其市场竞争力。
发明内容
本发明的目的在于克服现有技术的不足，提供一种卫生用品复合用的超声波焊接装置，该装置结构简单、复合效率高、复合成本低、并可完全代替热熔胶粘合工艺。
本发明的技术方案为：一种卫生用品复合用的超声波焊接装置，包括支撑架、超声波组件、砧辊和间距调节机构，支撑架中部设有活动板，超声波组件设于活动板上，活动板两侧通过间距调节机构与支撑架连接，间距调节机构带动活动板及超声波组件沿支撑架进行上下移动，砧辊设于超声波组件下方，砧辊通过转动轴与支撑架连接。其中，间距调节机构的主要作用是调节超声波组件与砧辊之间的间距，使其与复合材料的厚度相适应；活动板的主要作用是在间距调节机构的驱动下，沿着支撑架进行上下移动，从而带动超声波组件进行上下移动，以调节超声波组件与砧辊之间的间距。
所述间距调节机构有两组，分别设于活动板两侧；活动板上方平行设有顶板，间距调节机构的顶部与顶板固定连接。顶板位于超声波组件的中部，一方面用于固定间距调节机构中的调节气缸，另一方面与支撑架相配合，用于固定超声波组件中的压头气缸。
所述间距调节机构包括纵向调节螺栓、调节气缸和调节滑块，调节滑块设于支撑架上，纵向调节螺栓底部与调节滑块连接，纵向调节螺栓顶部与调节气缸连接，纵向调节螺栓顶部还通过直线轴承与活动板连接。当需要调节超声波组件与砧辊之间的间距时，活动板两侧的间距调节机构同时动作，启动调节气缸，调节气缸驱动调节螺栓沿着调节滑块进行上下移动，活动板也随之进行上下移动，活动板带动超声波组件整体进行上下移动。
所述活动板上还设有压缩弹簧和直线导杆，纵向调节螺栓两侧分别设置压缩弹簧，活动板与调节滑块之间通过压缩弹簧连接，活动板沿直线导杆进行上下移动，直线导杆下部穿过活动板后位于压缩弹簧内。活动板进行上下移动的过程中，通过压缩弹簧消除超声波组件及活动板的整体动力，起到缓冲作用。
所述调节滑块下方还设有精度调节机构，精度调节机构包括横向调节螺杆和调节斜块，调节螺杆设于调节滑块下方的支撑架上，调节斜块设于调节螺杆上；调节滑块底部带有倾斜面，调节斜块的顶面也为倾斜面，调节滑块与调节斜块之间通过倾斜面相接。精度调节机构用于对超声波组件与砧辊之间的间距进行精调，使间隙距离保持一致，从而保证复合材料的粘合效果。使用时，通过转动横向调节螺杆，使横向调节螺杆带动调节斜块移动，由于调节斜块与调节滑块的接触面为倾斜面，所以调节斜块的移动会驱动调节滑块向上或向下进行细微的移动，从而使活动板的水平度得到调节。
所述倾斜面的倾斜角度为5～30°。
所述超声波组件包括超声波压头和压头气缸，超声波压头与压头气缸的输出末端固定连接，压头气缸固定于活动板上，超声波压头位于砧辊上方。
所述超声波压头与砧辊之间的间隙为复合材料的输送通道。
所述砧辊表面分布有凹凸状的封合压纹，超声波压头对经过砧辊表面的材料进行封压复合时，还可利用凹凸状的封合压纹，在复合材料表面形成所需的 花纹。
所述支撑架为矩形的框架结构，超声波组件与砧辊相互垂直设置于支撑架内。
上述卫生用品复合用的超声波焊接装置使用时，其原理是：卫生巾，护垫，婴儿尿裤等一次性卫生用品的生产过程中，上下两层材料经本超声波焊接装置后，在超声波组件与砧辊组件的相互作用对两层材料进行封合；其中，在封压复合的过程中，由压头气缸对超声波压头施加并传递一个恒定的压力，超声波压头与砧辊之间的平行度通过精度调节机构预先进行调节，超声波压头与砧辊之间的间距通过间距调节机构预先进行调节；当两层材料通过本超声波焊接装置时，超声波压头对通过的材料施加超声波振动，再通过压头气缸传递的恒定压力以及超声波压头与砧辊之间调整好的间距与精度相结合，可将两层材料进行封压复合，形成所需的复合材料，其中，封压强度随着压头气缸的压力及上下间距的调整而改变。
本发明相对于现有技术，具有以下有益效果：
本卫生用品复合用的超声波焊接装置，通过利用超声波装置的焊接功能，对两层材料进行焊接粘合，取代传统的热熔胶粘合工艺，取消热熔胶原料的使用，降低生产成本，同时简化复合材料的粘合工艺，可有效提高生产效率。
本卫生用品复合用的超声波焊接装置中，通过间距调节机构调整超声波组件与砧辊之间的间距，再利用精度调节机构对超声波组件与砧辊之间的平行度进行调整，可有效保证复合材料粘合的精确性，有效提高产品的合格率。
本卫生用品复合用的超声波焊接装置中，通过在砧辊表面设置凹凸状的封合压纹，可在复合材料粘合的同时，在复合材料表面形成产品所需的压纹，进一步提高产品的生产效率，降低生产成本。
附图说明
图1为本超声波焊接装置的结构示意图。
图2为图1的A向视图。
图3为图1的立体结构示意图。
图4为本超声波焊接装置使用时的原理示意图。
上述各图中，各标号所表示的部件如下：1为支撑架，2为砧辊，3为活动板，4为转动轴，5为顶板，6为纵向调节螺栓，7为调节气缸，8为调节滑块，9为压缩弹簧，10为直线导杆，11为横向调节螺杆，12为调节斜块，13为倾斜面，14为超声波压头，15为压头气缸，16为复合材料。
具体实施方式
下面结合实施例，对本发明作进一步的详细说明，但本发明的实施方式不限于此。
实施例1
本实施例一种卫生用品复合用的超声波焊接装置，如图1～图3所示，包括支撑架1、超声波组件、砧辊2和间距调节机构，支撑架中部设有活动板3，超声波组件设于活动板上，活动板两侧通过间距调节机构与支撑架连接，间距调节机构带动活动板及超声波组件沿支撑架进行上下移动，砧辊设于超声波组件下方，砧辊通过转动轴4与支撑架连接。其中，间距调节机构的主要作用是调节超声波组件与砧辊之间的间距，使其与复合材料的厚度相适应；活动板的主要作用是在间距调节机构的驱动下，沿着支撑架进行上下移动，从而带动超声波组件进行上下移动，以调节超声波组件与砧辊之间的间距。
其中，间距调节机构有两组，分别设于活动板两侧；活动板上方平行设有顶板5，间距调节机构的顶部与顶板固定连接。顶板位于超声波组件的中部，一方面用于固定间距调节机构中的调节气缸，另一方面与支撑架相配合，用于固定超声波组件中的压头气缸。
间距调节机构包括纵向调节螺栓6、调节气缸7和调节滑块8，调节滑块设于支撑架上，纵向调节螺栓底部与调节滑块连接，纵向调节螺栓顶部与调节气缸连接，纵向调节螺栓顶部还通过直线轴承与活动板连接。当需要调节超声波组件与砧辊之间的间距时，活动板两侧的间距调节机构同时动作，启动调节气缸，调节气缸驱动纵向调节螺栓沿着调节滑块进行上下移动，活动板也随之 进行上下移动，活动板带动超声波组件整体进行上下移动。
活动板上还设有压缩弹簧9和直线导杆10，纵向调节螺栓两侧分别设置压缩弹簧，活动板与调节滑块之间通过压缩弹簧连接，活动板沿直线导杆进行上下移动，直线导杆下部穿过活动板后位于压缩弹簧内。活动板进行上下移动的过程中，通过压缩弹簧消除超声波组件及活动板的整体动力，起到缓冲作用。
调节滑块下方还设有精度调节机构，精度调节机构包括横向调节螺杆11和调节斜块12，调节螺杆设于调节滑块下方的支撑架上，调节斜块设于调节螺杆上；调节滑块底部带有倾斜面，调节斜块的顶面也为倾斜面，调节滑块与调节斜块之间通过倾斜面13相接。精度调节机构用于对超声波组件与砧辊之间的间距进行精调，使间隙距离保持一致，从而保证复合材料的粘合效果。使用时，通过转动横向调节螺杆，使横向调节螺杆带动调节斜块移动，由于调节斜块与调节滑块的接触面为倾斜面，所以调节斜块的移动会驱动调节滑块向上或向下进行细微的移动，从而使活动板的水平度得到调节。
倾斜面的倾斜角度为5～30°，本实施例作为一种优选方案，倾斜面的倾斜角度为10°。
超声波组件包括超声波压头14和压头气缸15，超声波压头与压头气缸的输出末端固定连接，压头气缸固定于活动板上，超声波压头位于砧辊上方。
超声波压头与砧辊之间的间隙为复合材料16的输送通道，其中复合材料的输送方向如图2中的箭头所示。
支撑架为矩形的框架结构，超声波组件与砧辊相互垂直设置于支撑架内。
上述卫生用品复合用的超声波焊接装置使用时，其原理是：卫生巾，护垫，婴儿尿裤等一次性卫生用品的生产过程中，上下两层材料经本超声波焊接装置后，在超声波组件与砧辊组件的相互作用对两层材料进行封合；其中，在封压复合的过程中，由压头气缸对超声波压头施加并传递一个恒定的压力，如图4所示，超声波压头与砧辊之间的平行度通过精度调节机构预先进行调节，超声波压头与砧辊之间的间距通过间距调节机构预先进行调节；当两层材料通过本超声波焊接装置时，超声波压头对通过的材料施加超声波振动，再通过压头气缸传递的恒定压力以及超声波压头与砧辊之间调整好的间距与精度相结合，可 将两层材料进行封压复合，形成所需的复合材料，其中，封压强度随着压头气缸的压力及上下间距的调整而改变。
上述卫生用品复合用的超声波焊接装置中，超声波压头可采用目前市面通用的超声波装置。
实施例2
本实施例一种卫生用品复合用的超声波焊接装置，与实施例1相比较，其不同之处在于：
砧辊表面还分布有凹凸状的封合压纹，超声波压头对经过砧辊表面的材料进行封压复合时，还可利用凹凸状的封合压纹，在复合材料表面形成产品所需的花纹。
如上所述，便可较好地实现本发明，上述实施例仅为本发明的较佳实施例，并非用来限定本发明的实施范围；即凡依本发明内容所作的均等变化与修饰，都为本发明权利要求所要求保护的范围所涵盖。

Claims (10)

  1. 卫生用品复合用的超声波焊接装置，其特征在于，包括支撑架、超声波组件、砧辊和间距调节机构，支撑架中部设有活动板，超声波组件设于活动板上，活动板两侧通过间距调节机构与支撑架连接，间距调节机构带动活动板及超声波组件沿支撑架进行上下移动，砧辊设于超声波组件下方，砧辊通过转动轴与支撑架连接。
  2. 根据权利要求1所述卫生用品复合用的超声波焊接装置，其特征在于，所述间距调节机构有两组，分别设于活动板两侧；活动板上方平行设有顶板，间距调节机构的顶部与顶板固定连接。
  3. 根据权利要求1所述卫生用品复合用的超声波焊接装置，其特征在于，所述间距调节机构包括纵向调节螺栓、调节气缸和调节滑块，调节滑块设于支撑架上，纵向调节螺栓底部与调节滑块连接，纵向调节螺栓顶部与调节气缸连接，纵向调节螺栓顶部还通过直线轴承与活动板连接。
  4. 根据权利要求3所述卫生用品复合用的超声波焊接装置，其特征在于，所述活动板上还设有压缩弹簧和直线导杆，纵向调节螺栓两侧分别设置压缩弹簧，活动板与调节滑块之间通过压缩弹簧连接，活动板沿直线导杆进行上下移动，直线导杆下部穿过活动板后位于压缩弹簧内。
  5. 根据权利要求3所述卫生用品复合用的超声波焊接装置，其特征在于，所述调节滑块下方还设有精度调节机构，精度调节机构包括横向调节螺杆和调节斜块，调节螺杆设于调节滑块下方的支撑架上，调节斜块设于调节螺杆上；调节滑块底部带有倾斜面，调节斜块的顶面也为倾斜面，调节滑块与调节斜块之间通过倾斜面相接。
  6. 根据权利要求5所述卫生用品复合用的超声波焊接装置，其特征在于，所述倾斜面的倾斜角度为5～30°。
  7. 根据权利要求1所述卫生用品复合用的超声波焊接装置，其特征在于，所述超声波组件包括超声波压头和压头气缸，超声波压头与压头气缸的输出末端固定连接，压头气缸固定于活动板上，超声波压头位于砧辊上方。
  8. 根据权利要求7所述卫生用品复合用的超声波焊接装置，其特征在于，所述超声波压头与砧辊之间的间隙为复合材料的输送通道。
  9. 根据权利要求1所述卫生用品复合用的超声波焊接装置，其特征在于，所述砧辊表面分布有凹凸状的封合压纹。
  10. 根据权利要求1所述卫生用品复合用的超声波焊接装置，其特征在于，所述支撑架为矩形的框架结构，超声波组件与砧辊相互垂直设置于支撑架内。
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