WO2023123987A1 - 一种清洁工具用海绵滚筒及成型模具 - Google Patents

一种清洁工具用海绵滚筒及成型模具 Download PDF

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Publication number
WO2023123987A1
WO2023123987A1 PCT/CN2022/103515 CN2022103515W WO2023123987A1 WO 2023123987 A1 WO2023123987 A1 WO 2023123987A1 CN 2022103515 W CN2022103515 W CN 2022103515W WO 2023123987 A1 WO2023123987 A1 WO 2023123987A1
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WIPO (PCT)
Prior art keywords
roller
sponge
mold
cleaning tools
tools according
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PCT/CN2022/103515
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English (en)
French (fr)
Inventor
周杰
万科学
Original Assignee
帝舍智能科技(武汉)有限公司
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Publication of WO2023123987A1 publication Critical patent/WO2023123987A1/zh

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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
    • A47L11/4036—Parts or details of the surface treating tools
    • A47L11/4041—Roll shaped surface treating tools
    • 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
    • B29C33/00—Moulds or cores; Details thereof or accessories therefor
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L2201/00—Robotic cleaning machines, i.e. with automatic control of the travelling movement or the cleaning operation

Definitions

  • the invention relates to the technical field of cleaning equipment, in particular to a sponge roller and a forming mold for cleaning tools.
  • the mopping and sweeping cleaning device uses a roller, which uses the liquid absorbed by the high-density sponge to contact and rub against the cleaning surface to clean the dust and stubborn stains on the cleaning surface.
  • the roller consists of two parts, one is a hard round
  • the cylindrical roller bracket and the high-density sponge covered on the surface of the roller bracket because there is a big difference in the materials of the two structures, so the roller bracket is usually made during production, and then the high-density sponge is covered or formed on the surface of the roller bracket, usually In most cases, the sponge roller is a slender object.
  • the roller bracket is usually made during production, and then the high-density sponge is covered or formed on the surface of the roller bracket, usually In most cases, the sponge roller is a slender object.
  • the roller support due to the interior of the roller support and the long length of the roller support, it is difficult to demould, resulting in low production efficiency.
  • the technical problem mainly solved by the present invention is to provide a sponge roller for cleaning tools and a forming mold, wherein the sponge roller for cleaning tools can prevent the sponge roller from being unable to be demoulded during the manufacturing process, resulting in long unit production time and improving production efficiency.
  • the present invention provides a sponge roller for cleaning tools.
  • the sponge roller for cleaning tools includes a roller bracket and a cylindrical sponge installed on the peripheral surface of the roller bracket.
  • the roller bracket is provided with a molding cavity. The diameter of the cavity gradually increases from inside to outside.
  • an anti-slip structure is provided between the roller support and the cylindrical sponge.
  • the anti-slip structure includes grooves or ribs.
  • grooves or ribs are distributed along the length direction or the surrounding direction of the roller support.
  • the inner cavity of the roller bracket smoothly and gradually forms an inclined surface.
  • the angle between the slope and the center line is 0.5-15 degrees.
  • the internal cavity of the roller support is connected sequentially with a plurality of cylinders with different diameters along the length direction, and the diameter of the cylinders gradually increases in the direction of outward extension.
  • the present invention also provides a kind of sponge roller support mold for cleaning tool, the sponge roller support mold for this cleaning tool, comprises the outer module that is provided with cavity and is positioned at outer module cavity and cooperates with outer module to form roller support At least one inner mold part of the void, the surface of the inner mold part gradually increases from the inside to the outside.
  • the side wall of the outer module is provided with an anti-slip structure.
  • the anti-slip structure includes grooves or ribs.
  • grooves or ribs are distributed along the length direction or the surrounding direction of the roller support.
  • each inner module when there are two inner modules, the smaller end of each inner module is set in a cylindrical shape.
  • the diameter of the inner module gradually changes to form a slope.
  • the angle between the slope and the center line is 0.5-15 degrees.
  • the inner module is sequentially connected with a plurality of cylinders with different diameters along the length direction, and the diameter of the cylinders gradually increases in the direction of outward extension.
  • the density of the steps formed by the cylinders with different diameters in the inner mold part gradually increases toward the inside of the cavity.
  • the sponge roller for cleaning tools and the molding die of the present invention wherein the sponge roller for cleaning tools includes a roller bracket and a cylindrical sponge installed on the peripheral surface of the roller bracket, the roller bracket is provided with a molding cavity, and the diameter of the cavity is from the inside to the outside gradually increased. Since the cavity of the roller support gradually increases toward both sides, only a relatively small looseness is required during molding to separate the cavity forming mold from the roller support, avoiding cavities with the same diameter and size due to The contact surface is large, and even if it is partially loose, it cannot be quickly separated from the roller support, thereby reducing the difficulty of demoulding and separation during part forming and improving efficiency. At the same time, when it is installed on the cleaning tool, since the clamping force is applied to the middle at both ends of the sponge roller, it can also avoid loosening of the parts installed in the cavity during use.
  • Fig. 1 is a schematic cross-sectional structure view along the center line of the first embodiment of the sponge roller of the present invention.
  • Fig. 2 is a schematic cross-sectional structure diagram along the center line of the second embodiment of the sponge roller of the present invention.
  • Fig. 3 is a schematic cross-sectional view of the third embodiment of the sponge roller of the present invention along the direction of the center line.
  • ordinal numbers in the present invention such as “first”, “second” and other descriptions are only used for distinguishing purposes, and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of indicated technical features.
  • the features defining “first” and “second” can be explicitly or implicitly associated with at least one technical feature.
  • “plurality” means at least two, that is, two or more, unless otherwise clearly defined; “at least one” means one or one and more.
  • the controller and control circuit involved in the present invention are conventional control techniques or units of those skilled in the art.
  • the control circuit of the controller can be adopted by those of ordinary skill in the art, such as simple programming can be realized. Involving software or programs that cooperate with hardware to achieve control results, if the description does not specify the software or program control process involved, it belongs to the prior art or the conventional technology of ordinary skilled in the art.
  • the power supply also adopts the prior art in the field, and the main invention technical point of the present invention is to improve the mechanical device, so the present invention will no longer describe the specific circuit control relationship and circuit connection in detail.
  • the disclosure of the present invention provides many different embodiments or examples for realizing different structures of the present invention.
  • components and arrangements of specific examples are described herein. Of course, they are merely examples and are not intended to limit the invention.
  • the present disclosure may repeat reference numerals and/or reference letters in different instances, such repetition is for simplicity and clarity and does not in itself indicate a relationship between the various embodiments and/or arrangements discussed.
  • various specific process and material examples are provided herein, but one of ordinary skill in the art may recognize the use of other processes and/or the use of other materials.
  • the present invention provides an embodiment of a sponge roller for cleaning tools.
  • the sponge roller for cleaning tools includes a roller support 1 and a cylindrical sponge 2 mounted on the peripheral surface of the roller support 1.
  • the roller support 1 is provided with a molding cavity 11 whose diameter gradually increases from inside to outside.
  • the roller bracket 1 is usually made of hard and easy-to-form materials, such as ABS, etc. by hot pressing or injection molding.
  • the cavity is of regular shape.
  • the cross-sectional side wall of the inner cavity 11 of the roller support 1 is a smooth slope 13 .
  • the cylindrical sponge 2 includes an inner layer sponge 21 and an outer layer sponge 22, wherein the density of the outer layer sponge 22 is less than that of the inner layer sponge 21, on the one hand providing a certain deformation buffer for the outer layer sponge when cleaning granular solid waste; on the other hand On the one hand, it can also prevent the cylindrical sponge 2 from absorbing excessive water, increase the resistance, cause the load to increase, and reduce the difficulty of cleaning the cylindrical sponge 2 .
  • the cavity 11 is arranged such that its diameter gradually increases from the inside to the outside from one end to the other end. Because it can be easier to dial when setting in this way, it will not increase the difficulty of dialing because of the same contact surface.
  • the side wall of the outer module is provided with an anti-slip structure, and the anti-slip structure includes grooves or ribs 12. Since the grooves or ribs 12 are located on the surface of the roller bracket 1, when the surface of the roller bracket 1 is formed or fixed, the cylindrical sponge 2, can make the cylindrical sponge 2 and the roller support 1 have good torsion resistance, and avoid the joint surface between the cylindrical sponge 2 and the roller support 1 being not strong due to different materials during use, resulting in a cylindrical shape.
  • the grooves or ribs 12 can be evenly distributed along the length direction or the surrounding direction of the roller support, so as to ensure that the combined force between the cylindrical sponge 2 and the roller support 1 is even.
  • At least part of the surface of the inner cavity 11 of the roller support 1 is smooth and gradual, that is, the cavity wall is inclined when viewed along the centerline of the longitudinal direction of the roller support 1 .
  • the angle between the slope and the central line is 0.5-15 degrees. That is, the smooth gradient angle is 0.5-15 degrees.
  • the higher the precision the smaller the smooth gradient angle, the better. The smaller the angle, the more difficult it is to demould.
  • the present invention also provides a second embodiment.
  • the internal cavity 11 of the roller support 1 is sequentially connected with a plurality of cylinders with different diameters along the length direction, and the diameter of the cylinders gradually increases in the direction of outward extension. Specifically, the inner wall of the cavity 11 increases abruptly from the inside to the outside or from the inside to both ends. By setting in this way, the difficulty of demoulding can also be effectively solved, thereby improving efficiency.
  • the density of the steps 15 formed by cylinders with different diameters inside the cavity 11 gradually increases, and this arrangement has a better demoulding effect.
  • the present invention also provides a kind of sponge roller support mold for cleaning tool, and the sponge roller support mold for cleaning tool comprises the outer module that is provided with cavity and is positioned at outer module cavity and cooperates with outer module to form roller support gap At least one inner mold part, the surface of the inner mold part gradually increases from the inside to the outside.
  • the surface of the inner module gradually increases from the inside to the outside, and its diameter gradually increases from the inside to the outside. Because it can be easier to dial when setting in this way, it will not increase the difficulty of dialing because of the same contact surface.
  • the side wall of the outer module is provided with an anti-skid structure, and the anti-skid structure includes grooves or ribs 12. Since the grooves or ribs 12 are formed on the surface of the roller bracket 1 by the outer module, when the inner surface of the roller bracket 1 is formed Or when the cylindrical sponge 2 is fixed, good torsion resistance can be provided between the cylindrical sponge 2 and the roller bracket 1, so as to avoid uneven joint surface caused by different materials between the cylindrical sponge 2 and the roller bracket 1 during use.
  • the grooves or ribs 12 can be evenly distributed along the length direction or the surrounding direction of the roller support, so as to ensure that the combined force between the cylindrical sponge 2 and the roller support 1 is even.
  • At least part of the surface of the inner cavity of the outer module is smooth and gradual, that is, the wall of the cavity is inclined when viewed along the centerline of the length direction of the outer module.
  • the angle between the slope and the center line is 0.5-15 degrees. That is, the smooth gradient angle is 0.5-15 degrees.
  • the higher the precision the smaller the smooth gradient angle, the better. The smaller the angle, the more difficult it is to demould.
  • each inner module When there are two inner modules, the smaller end of each inner module is set to a cylindrical shape, which can also reduce the surface of the inner module and the surface of the inner cavity of the roller bracket on the same surface, thereby also helping in dialing.
  • the present invention also provides a second embodiment.
  • the inner cavity of the outer module is sequentially connected with a plurality of cylinders with different diameters along the length direction, and the diameter of the cylinders gradually increases in the direction of outward extension. Specifically, the inner wall of the cavity increases abruptly from the inside to the outside or from the inside to both ends. By setting in this way, the difficulty of demoulding can also be effectively solved, thereby improving efficiency.
  • the density of the steps 15 formed by cylinders with different diameters inside the cavity gradually increases, and this arrangement has a better demoulding effect.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Cleaning In General (AREA)
  • Cleaning Implements For Floors, Carpets, Furniture, Walls, And The Like (AREA)

Abstract

一种清洁工具用海绵滚筒及成型模具，其中该清洁工具用海绵滚筒包括滚筒支架（1）和安装于滚筒支架（1）圆周表面的圆筒状海绵（2），所述滚筒支架（1）设有成型腔体（11），成型腔体（11）的直径由内向外逐渐增大。

Description

一种清洁工具用海绵滚筒及成型模具 技术领域
本发明涉及一种清洁设备技术领域，尤其涉及一种清洁工具用海绵滚筒及成型模具。
 背景技术
拖扫一体的清洁装置上使用滚筒，利用高密度海绵吸附的液体与清洁面进行接触磨擦实现对清洁表面灰尘和顽固的污渍进行清理， 该滚筒由两个部分组成，一是质地较硬的圆筒状的滚筒支架和套在滚筒支架表面的高密度海绵，由于两种结构的材质存在较大区别，因而在生产时通常制作滚筒支架，再在滚筒支架表面套上或成型高密度海绵，通常情况下海绵滚筒属于细长物体。然而，在滚筒支架成型过程中由于滚筒支架内部，且滚筒支架较长，造成脱模困难，导致生产效率较低。
 技术问题
本发明主要解决的技术问题是提供一种清洁工具用海绵滚筒及成型模具，其中该清洁工具用海绵滚筒可以避免海绵滚筒在制造过程无法进行脱模，导致单位生产时间长，提高生产效率。
 技术解决方案
为了解决上述技术问题，本发明提供一种清洁工具用海绵滚筒，该清洁工具用海绵滚筒,包括滚筒支架和安装于滚筒支架圆周表面的圆筒状海绵，所述滚筒支架设有成型腔体，该腔体直径由内向外逐渐增大。
进一步地说，所述滚筒支架与圆筒状海绵之间设有防滑结构。
进一步地说，所述防滑结构包括凹槽或突筋。
进一步地说，所述凹槽或突筋沿滚筒支架长度方向或周围方向分布。
进一步地说，所述滚筒支架内部腔体平滑渐变形成斜面。
进一步地说，所述斜面与中心线角度为0.5-15度。
进一步地说，所述滚筒支架内部腔体沿长度方向上多个直径不同的圆柱体顺序连接，且向外延伸方向圆柱体的直径的逐渐增大。
进一步地说，所述腔体内部不同直径圆柱体形成的台阶密度逐渐增大。
 [0013] 本发明还提供一种清洁工具用海绵滚筒支架模具,该清洁工具用海绵滚筒支架模具,包括设有腔体的外模件和位于外模件腔体内与外模件配合形成滚筒支架空隙的至少一个内模件，该内模件表面由内向外逐渐增大。
进一步地说，所述外模件侧壁设有防滑结构。
进一步地说，所述防滑结构包括凹槽或突筋。
进一步地说，所述凹槽或突筋沿滚筒支架长度方向或周围方向分布。
进一步地说，所述内模件为两个时，每个内模件径直较小一端设置为圆柱状。
进一步地说，所述内模件直径平滑渐变形成斜面。
进一步地说，所述斜面与中心线角度为0.5-15度。
进一步地说，所述内模件沿长度方向上多个直径不同的圆柱体顺序连接，且向外延伸方向圆柱体的直径的逐渐增大。
进一步地说，所述内模件由外向腔体内部方向不同直径的圆柱体形成的台阶密度逐渐增大。
 有益效果
本发明清洁工具用海绵滚筒及成型模具，其中该清洁工具用海绵滚筒包括滚筒支架和安装于滚筒支架圆周表面的圆筒状海绵，所述滚筒支架设有成型腔体，该腔体直径由内向外逐渐增大。由于该滚筒支架的腔体向两侧逐渐增大，这样在成型时，只需要有一个比较小的松动，即可以将腔体成型模具与滚筒支架分离，避免直径大小相同的腔体时，由于接触面较大，即使局部松动也无法快速与滚筒支架分离，从而降低分成型时脱模分离难度，提高效率。同时安装在清清洁工具上时，由于在海绵滚筒两端向中间施加夹持作用力，因而也能避免使用时，安装在腔体内的部件出现松动。
 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介绍，显而易见地，描述中的附图仅示出了本发明的某些实施例，因此不应被看作是对范围的限定，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相关的附图。
图1为本发明海绵滚筒第一实施例沿中心线方向剖视结构示意图。
图2为本发明海绵滚筒第二实施例沿中心线方向剖视结构示意图。
图3为本发明海绵滚筒第三实施例沿中心线方向剖视结构示意图。
本发明目的的实现、功能特点及优点将结合实施例，参照附图做进一步说明。
 本发明的最佳实施方式
下面结合具体实施例及附图对本发明的权利要求做进一步的详细说明，显然，所描述的实施例仅是本发明的一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有作出创造性劳动前提出所获得的所有其他实施例，也都属于本发明保护的范围。
需要理解的是，在本发明实施例中描述，所有方向性指示的术语，如“上”、“下”、“左”、“右”、“前”、“后”等指示的方位或位置关系基于附图所示的方位、位置关系或者是该发明产品使用时惯常摆放的方位或位置关系，仅是为了便于简化描述本发明，而不是明示或暗示所指的装置、元件或部件必须具有特定的方位、以及特定的方位构造，不应理解为对本发明的限制。仅用于解释在附图所示下各部件之间的相对位置关系、运动情况等，当该特定姿态发生改变时，则该方向性指示也可能随之改变。
此外，本发明中序数词，如“第一”、“第二”等描述仅用于区分目的，而不能理解为指示或暗示其相对重要性或隐含指示所指示的技术特征的数量。由此限定“第一”、“第二”的特征可以明示或隐含和至少一个该技术特征。在本发明描述中，“多个”的含义是至少两个，即两个或两个以上，除非另有明确体的限定外；“至少一个”的含义是一个或一个以及上。
在本发明中，除非另有明确的规定和限定，术语“安装”、“设置”、“连接”、“固定”、“旋接”等术语应做广义理解，例如，既可以是部件之间的位置关系相对固定，也可以是部件之间存在物理上固定连接，既可以是可拆卸连接，或成一体结构；既可以是机械连接，也可以是电信号连接；既可以是直接相连，也可以通过中间媒介或部件间接相连；既可以是两个元件内部的连通，也可以是两个元件的相互作用关系，除非说明书另有明确的限定，可作其他理解时不能实现相应的功能或效果外，对于本领域的普通技术人员而言，可以根据具体情况理解上述术语在本发明中的具体含义。
本发明如有涉及的控制器、控制电路是本领域技术人员常规的控制技术或单元，如控制器的控制电路可以由本领域普通的技术人员采用现有，如简单编程即可实现。涉及与硬件配合实现控制结果的软件或程序，如说明未作详细说明表示涉及的软件或程序控制过程，则属于采用现有技术或本领域普通的技术人员常规技术。电源也采用所述属本领域现有技术，并且本发明主要发明技术点在于对机械装置改进，所以本发明不再详细说明具体的电路控制关系和电路连接。
本发明的公开提供了许多不同的实施方式或例子用来实现本发明的不同结构。为了简化本发明的公开，本发明中对特定例子的部件和设置进行描述。当然，它们仅仅为示例，并且目的不在于限制本发明。此外，本发明可以在不同例子中重复参考数字和/或参考字母，这种重复是为了简化和清楚的目的，其本身不指示所讨论各种实施方式和/或设置之间的关系。此外，本发明提供了的各种特定的工艺和材料的例子，但是本领域普通技术人员可以意识到其他工艺的应用和/或其他材料的使用。
以下结合附图对本发明的优选实施例进行说明，应当理解，此处所描述的优选实施例仅用于说明和解释本发明，并不用于限定本发明。
如图1－图3所示，本发明提供一种清洁工具用海绵滚筒实施例。
该清洁工具用海绵滚筒,包括滚筒支架1和安装于滚筒支架1圆周表面的圆筒状海绵2，所述滚筒支架1设有成型腔体11，该腔体11直径由内向外逐渐增大。
具体地说，所述滚筒支架1通常是由硬质易成型材料，如ABS等热压或注塑成型。通常情况下所述腔体为规则的形状。所述滚筒支架1内部腔体11截面侧壁为平滑的斜面13。所述圆筒状海绵2包括内层海绵21和外层海绵22，其中外层海绵22的密度小于内层海绵21，一方面为外层海绵在清理颗粒状固体垃圾时提供一定变形缓冲；另一方面也可以避免圆筒状海绵2吸入过量水，增加阻力，导致负载变大，也能降低圆筒状海绵2清理难度。
将所述腔体11设置为从一端向另一端，其直径由内向外逐渐增大。由于这样设置时可以在拨模时更容易，不会为因相同的接触面较大增加拨模的难度。根据需要，所述外模件侧壁设有防滑结构，该防滑结构包括凹槽或突筋12，由于该凹槽或突筋12位于滚筒支架1表面，当滚筒支架1表面成型或固定圆筒状海绵2时，可以使圆筒状海绵2与滚筒支架1之间有很好抗扭力，避免在使用过程因圆筒状海绵2与滚筒支架1之间不同材质造成结合面不牢，出现圆筒状海绵2与滚筒支架1之间发生相对运动，从而影响清洁效果。所述凹槽或突筋12可以沿滚筒支架长度方向或周围方向均匀分布，这样以保证圆筒状海绵2与滚筒支架1间结合受力均匀。
在本实施例中，所述滚筒支架1内部腔体11表面至少部分为平滑渐变，即沿滚筒支架1长度方向中心线截面视图时腔壁呈斜面。该所述斜面与中心线夹角为0.5-15度。即所述平滑渐变角度为0.5-15度，通常情况下对精度越高，该平滑渐变角度为越小越好，角度越小，对脱模的难度就会增加。
本发明还供第二实施例。所述滚筒支架1内部腔体11沿长度方向上多个直径不同的圆柱体顺序连接，且向外延伸方向圆柱体的直径的逐渐增大。具体地说，所述腔体11内壁呈突变式由内向外或由内向两端增大。通过这样设置，也可以有效解决脱模难度，从而提高效率。通过试验，所述腔体11内部不同直径圆柱体形成的台阶15密度逐渐增大，这样设置具有更好脱模效果。
 [0043] 本发明还提供一种清洁工具用海绵滚筒支架模具,该清洁工具用海绵滚筒支架模具包括设有腔体的外模件和位于外模件腔体内与外模件配合形成滚筒支架空隙的至少一个内模件，该内模件表面由内向外逐渐增大。
具体地说，所述内模件表面由内向外逐渐增大，其直径由内向外逐渐增大。由于这样设置时可以在拨模时更容易，不会为因相同的接触面较大增加拨模的难度。根据需要，所述外模件侧壁设有防滑结构，该防滑结构包括凹槽或突筋12，由于该凹槽或突筋12通过外模件成型于滚筒支架1表面，当滚筒支架1内表面成型或固定圆筒状海绵2时，可以使圆筒状海绵2与滚筒支架1之间有很好抗扭力，避免在使用过程因圆筒状海绵2与滚筒支架1之间不同材质造成结合面不牢，出现圆筒状海绵2与滚筒支架1之间发生相对运动，从而影响清洁效果。所述凹槽或突筋12可以沿滚筒支架长度方向或周围方向均匀分布，这样以保证圆筒状海绵2与滚筒支架1间结合受力均匀。
在本实施例中，所述外模件内部腔体表面至少部分为平滑渐变，即沿外模件长度方向中心线截面视图时腔壁呈斜面。所述斜面与中心线夹角为0.5-15度。即所述平滑渐变角度为0.5-15度，通常情况下对精度越高，该平滑渐变角度为越小越好，角度越小，对脱模的难度就会增加。
当所述内模件为两个时，每个内模件径直较小一端设置为圆柱状，这样也可以达到减少内模件表面与滚筒支架内部腔体表面在一个相同面上，从而也有助于拨模。
本发明还供第二实施例。所述外模件内部腔体沿长度方向上多个直径不同的圆柱体顺序连接，且向外延伸方向圆柱体的直径的逐渐增大。具体地说，所述腔体内壁呈突变式由内向外或由内向两端增大。通过这样设置，也可以有效解决脱模难度，从而提高效率。通过试验，所述腔体内部不同直径圆柱体形成的台阶15密度逐渐增大，这样设置具有更好脱模效果。
以上实施例仅用以说明本发明的技术方案，而非对其限制；尽管参照前述实施例对本发明进行了详细的说明，本领域的普通技术人员应当理解：其依然可以对前述各实施例所记载的技术方案进行修改，或者对其中部分技术特征进行等同替换，而这些修改或替换，并不使相应技术方案的本质脱离本发明各实施例技术方案的精神和范围。

Claims (16)

  1. 一种清洁工具用海绵滚筒,包括滚筒支架和安装于滚筒支架圆周表面的圆筒状海绵，其特征在于，所述滚筒支架设有成型腔体，该腔体直径由内向外逐渐增大。
  2. 根据权利要求1所述的清洁工具用海绵滚筒成型模具，其特征在于，所述滚筒支架与圆筒状海绵之间设有防滑结构。
  3. 根据权利要求2所述的清洁工具用海绵滚筒，，其特征在于，所述防滑结构包括凹槽或突筋，该凹槽或突筋沿滚筒支架长度方向或周围方向分布。
  4. 根据权利要求1所述的清洁工具用海绵滚筒，其特征在于，所述滚筒支架内部腔体平滑渐变形成斜面。
  5. 根据权利要求4所述的清洁工具用海绵滚筒，其特征在于，所述斜面与中心线夹角为0.5-15度。
  6. 根据权利要求1所述的清洁工具用海绵滚筒，其特征在于，所述滚筒支架内部腔体沿长度方向上多个直径不同的圆柱体顺序连接，且向外延伸方向圆柱体的直径的逐渐增大。
  7. 根据权利要求6所述的清洁工具用海绵滚筒，其特征在于，所述滚筒支架内部腔体沿长度方向上多个直径不同的圆柱体顺序连接，且向外延伸方向圆柱体的直径的逐渐增大。
  8. 根据权利要求7所述的清洁工具用海绵滚筒，其特征在于，所述腔体内部不同直径圆柱体形成的台阶密度逐渐增大。
  9. 一种清洁工具用海绵滚筒成型模具,包括设有腔体的外模件和位于外模件腔体内与外模件配合形成滚筒支架空隙的至少一个内模件，其特征在于，该内模件直径内向外逐渐增大。
  10. 根据权利要求9所述的清洁工具用海绵滚筒成型模具，其特征在于，所述外模件侧壁设有防滑结构。
  11. 根据权利要求10所述的清洁工具用海绵滚筒成型模具，其特征在于，所述防滑结构包括凹槽或突筋，该凹槽或突筋沿滚筒支架长度方向或周围方向分布。
  12. 根据权利要求9所述的清洁工具用海绵滚筒成型模具，其特征在于，所述内模件为两个时，每个内模件径直较小一端设置为圆柱状。
  13. 根据权利要求9所述的清洁工具用海绵滚筒成型模具，其特征在于，所述内模件直径平滑渐变形成斜面。
  14. 根据权利要求13所述的清洁工具用海绵滚筒成型模具，其特征在于，所述斜面与中心线夹角为0.5-15度。
  15. 根据权利要求9所述的清洁工具用海绵滚筒成型模具，其特征在于，所述内模件沿长度方向上多个直径不同的圆柱体顺序连接，且向外延伸方向圆柱体的直径的逐渐增大。
  16. 根据权利要求15所述的清洁工具用海绵滚筒成型模具，其特征在于，所述内模件由外向腔体内部方向不同直径的圆柱体形成的台阶密度逐渐增大。
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