WO2023016328A1 - 开罐器及其控制方法 - Google Patents

开罐器及其控制方法 Download PDF

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Publication number
WO2023016328A1
WO2023016328A1 PCT/CN2022/110200 CN2022110200W WO2023016328A1 WO 2023016328 A1 WO2023016328 A1 WO 2023016328A1 CN 2022110200 W CN2022110200 W CN 2022110200W WO 2023016328 A1 WO2023016328 A1 WO 2023016328A1
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WO
WIPO (PCT)
Prior art keywords
opener
blade
push wheel
support
bracket
Prior art date
Application number
PCT/CN2022/110200
Other languages
English (en)
French (fr)
Inventor
陈森元
邹海涛
Original Assignee
珠海横琴鑫润智能制造有限公司
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 珠海横琴鑫润智能制造有限公司 filed Critical 珠海横琴鑫润智能制造有限公司
Priority to US18/547,640 priority Critical patent/US20240140772A1/en
Publication of WO2023016328A1 publication Critical patent/WO2023016328A1/zh

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67B—APPLYING CLOSURE MEMBERS TO BOTTLES JARS, OR SIMILAR CONTAINERS; OPENING CLOSED CONTAINERS
    • B67B7/00—Hand- or power-operated devices for opening closed containers
    • B67B7/38—Power-operated cutting devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67B—APPLYING CLOSURE MEMBERS TO BOTTLES JARS, OR SIMILAR CONTAINERS; OPENING CLOSED CONTAINERS
    • B67B7/00—Hand- or power-operated devices for opening closed containers
    • B67B7/30—Hand-operated cutting devices
    • B67B7/34—Hand-operated cutting devices with rotatable cutters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67B—APPLYING CLOSURE MEMBERS TO BOTTLES JARS, OR SIMILAR CONTAINERS; OPENING CLOSED CONTAINERS
    • B67B7/00—Hand- or power-operated devices for opening closed containers
    • B67B7/30—Hand-operated cutting devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67B—APPLYING CLOSURE MEMBERS TO BOTTLES JARS, OR SIMILAR CONTAINERS; OPENING CLOSED CONTAINERS
    • B67B7/00—Hand- or power-operated devices for opening closed containers
    • B67B7/30—Hand-operated cutting devices
    • B67B2007/303—Hand-operated cutting devices can openers

Definitions

  • the application belongs to the technical field of can openers, in particular to a can opener and a control method thereof.
  • a can opener is a common household appliance that cuts through the body of a can to remove the top.
  • a can opener commonly used in the market uses a can opener to cut the side wall of the can body to remove the top cover. Using this can opener to open the can body is prone to wire drawing, resulting in The mouth of the can is less smooth.
  • the purpose of this application is to provide a can opener and its control method, which is used to improve the situation that the can opener in the prior art is prone to stringing when cutting and opening the can body, which leads to the unsmoothness of the can mouth after cutting. shortcoming.
  • a can opener the can opener includes a bracket, a push wheel, a can opener knife and a knife shaft;
  • the push wheel is set on the support by rotating around its own central axis
  • the outer wall of the knife shaft is provided with a first stopper, the can opener is rotatably sleeved on the knife shaft and located on the first stopper, and there is a gap between the can opener and the bracket. gap;
  • the peripheral wall of the can opener is provided with a blade, and the peripheral wall of the can opener near the first end of the push wheel is also provided with a second stopper spaced from the blade, and the blade is connected to the pushing wheel. A gap is formed between the wheels.
  • a first step is formed between the first end of the can opener and the blade, and the radial length of the first end of the can opener is smaller than the radial length of the blade, so The first step is the second limiting member.
  • the radial difference between the radial length of the first end of the can opener and the radial length of the blade is in the range of 0.05 mm to 0.5 mm.
  • the can opener is a revolving body structure
  • the push wheel is arranged horizontally in the bracket
  • the can opener is vertically arranged in the bracket
  • the can opener is opposite to the bracket.
  • a second step is formed on the outer wall of the cutter shaft toward the radial direction of the cutter shaft, and the second step is the first limiting member.
  • the can opener further includes a rotating support, the rotating support includes an inner ring and an outer ring sleeved on the inner ring and relatively rotatable, the inner ring is sleeved on the
  • the knife shaft is located on the first limiting member, and the can opener is sheathed on the outer ring.
  • the rotating support comprises ball bearings.
  • the can opener also includes a connecting shaft connected to the push wheel; an accommodating cavity for accommodating the connecting shaft and having a travel space is formed in the bracket, and the can opener also It includes an elastic piece accommodated in the accommodating cavity, and the elastic piece is sheathed on the connecting shaft.
  • the can opener further includes a power mechanism arranged on the bracket;
  • the power mechanism includes a drive device and a transmission device, the output end of the drive device is connected to the input end of the transmission device, and the output end of the transmission device is connected to the push wheel.
  • a method for controlling a can opener comprising the can opener described in any one of the above embodiments, the method for controlling a can opener includes the following steps:
  • the blade of the can opener is pressed into the side wall of the can body to cut to form a cut.
  • the second limit of the can opener The bit fits against the side wall of the tank above the cut.
  • the can opener cooperates with the bracket, the push wheel, the can opener and the knife shaft to cut the side wall of the can body close to the top cover to form an outer incision, and the cut top cover is a complete top cover, which can be closed again on the tank.
  • the can opener can be loaded by the first limiting member so that the can opener is suspended relative to the support, so as to avoid friction between the can opener and the support during rotation, thereby reducing the friction caused by the excessive friction of the push wheel.
  • the second limiter resists the upper area of the can body cutting opening to control the thickness of the blade inserted into the side wall of the can body during the cutting process, effectively avoiding The blade is excessively inserted into the tank body, so that the blade can effectively avoid iron wires at the incision position of the tank body during the cutting process, and the gap range between the blade and the push wheel can be increased through the second limiting member, reducing accuracy requirements.
  • Fig. 1 is the three-dimensional structure schematic diagram of the can opener of the utility model embodiment
  • Fig. 2 is a longitudinal sectional schematic diagram of the can opener of Fig. 1;
  • Fig. 3 is the enlarged schematic diagram of the can opener A place of Fig. 2;
  • Fig. 4 is a schematic diagram of the three-dimensional structure of the can opener of the can opener of Fig. 1;
  • FIG. 5 is a schematic perspective view of the three-dimensional structure of the cutter shaft of the can opener in FIG. 1 .
  • the can opener 100 can cut the can body 200 to remove the top cover of the can body 200, for example, it can cut a metal can or a plastic can to remove the top cover, There is no special limitation here.
  • the present application provides a can opener 100, as shown in Figures 1 to 5, the can opener 100 includes a bracket 1, a push wheel 2, a can opener knife 3 and a knife shaft 4; the push wheel 2 is rotatably arranged on the bracket 1, specifically in this embodiment, the push wheel 2 rotates around its central axis, the push wheel 2 is used to resist the top of the tank body 200, and the push wheel 2 drives the tank body 200 to rotate along with it during the rotation process .
  • the outer wall of the cutter shaft 4 is provided with a first stopper, the can opener 3 is rotatably sleeved on the cutter shaft 4 and positioned on the first stopper, there is a gap between the can opener 3 and the bracket 1;
  • a limit piece can carry the can opener 3 so that the can opener 3 is suspended relative to the support 1, so as to avoid friction between the can opener 3 and the support 1 during the rotation process, and the can opener 3 is sleeved on the
  • the peripheral wall of the can opener 3 is provided with a blade 31, and the peripheral wall of the can opener 3 near the first end of the push wheel 2 is also provided with a second stopper spaced from the blade 31, forming a gap between the blade 31 and the push wheel 2 ; It can be understood that the gap between the push wheel 2 and the blade 31 is used to clamp the position between the top cover and the side wall of the tank body 200, wherein the push wheel 2 is used to bear against the top of the tank body 200 to open the tank The knife 3 is against the side wall of the tank body 200 near the top of the tank body 200.
  • the can opener knife 3 is against the side wall of the tank body 200 adjacent to the top cover, and the side wall protrudes outward to form a A protrusion 210 of a certain thickness.
  • the push wheel 2 drives the tank body 200 to rotate along with it during the rotation process.
  • the can opener 3 cuts the side walls of the tank body 200 sequentially to separate the tank body 200 from the top cover of the tank body 200 .
  • the blade 31 of the can opener 3 is pressed into the side wall of the can body 200, and the second stopper is used to resist the cutting edge 31 to cut the cut formed by the can body 200.
  • the upper area is used to control the thickness of the blade 31 inserted into the side wall of the tank body 200 during the cutting process, so that the blade 31 can effectively prevent the tank body 200 from producing iron wires during the cutting process.
  • the working principle of the can opener 100 is roughly as follows: when it is necessary to open the can body 200, push the push wheel 2 of the can opener 100 against the top cover of the can body 200, and make the can opener 3
  • the blade 31 of the can opener is against the side wall of the tank body 200, and the push wheel 2 is rotated.
  • the tank body 200 is rotated around its own central axis under the push of the push wheel 2, and the can opener 3 follows the rotation and passes through the blade on the outside of itself.
  • 31 is pressed into the side wall of the tank body 200 to cut the tank body 200.
  • the second stopper is against the side wall of the tank body 200, and the top cover after cutting is a complete top cover, which can be closed on the tank body again 200 on.
  • the can opener 100 cooperates with each other through the bracket 1, the push wheel 2, the can opener knife 3 and the knife shaft 4, and can cut the side wall of the can body 200 close to the top cover to form an outer incision, and the top cover after cutting To complete the top cover, it can be closed on the tank body 200 again.
  • the can opener 3 can be loaded by the first limiting member so that the can opener 3 is suspended relative to the support 1, so as to avoid friction between the can opener 3 and the support 1 during rotation, thereby reducing the push The wheel 2 slips due to excessive friction, so as to prolong the service life of the can opener 100 and reduce noise; through the second limiter against the upper area of the can body 200 cutting opening, it is possible to control the cutting edge 31 during the cutting process.
  • Inserting the thickness of the side wall of the tank body 200 effectively prevents the blade 31 from being excessively inserted into the tank body 200, so that the blade 31 effectively prevents iron wires from being generated at the incision position of the tank body 200 during the cutting process, and the blade can be enlarged by the second limiting member 31 and the gap range between the push wheel 2, reducing the precision requirement.
  • a first step 32 is formed between the first end of the can opener 3 and the blade 31 , and the radial length of the first end of the can opener 3 is smaller than that of the blade 31 .
  • the radial length, the first step 32 is the second limiter.
  • the first step 32 can resist the blade 31 to cut the upper area of the cut opening formed by the tank body 200, so as to control the thickness of the blade 31 inserted into the side wall of the tank body 200 during the cutting process, so that the blade 31 can effectively prevent the tank body 200 from being produced during the cutting process.
  • iron wire
  • the first step 32 in order to make the first step 32 resist the upper area of the cutting opening on the one hand, and prevent the first step 32 from hindering the cutting by the edge 31 of the can opener 3 , on the other hand, And precisely control the thickness of the blade 31 inserted into the side wall of the tank body 200 during the cutting process, and control the radial difference between the radial length of the first end of the can opener 3 and the radial length of the blade 31 to be 0.05 mm to 0.5 mm, specifically Specifically, the radial difference may be 0.05 mm, 0.2 mm, 0.3 mm, 0.4 mm, 0.5 mm, etc., and no particular limitation is imposed here.
  • the can opener 3 is a revolving structure
  • the push wheel 2 is arranged horizontally in the support 1
  • the can opener 3 is vertically arranged in the support 1
  • the can opener 3 is inclined relative to the central axis of the support 1 set up.
  • the distance from the top end of the knife shaft 4 to the central axis of the bracket 1 is smaller than the distance from the bottom end of the knife shaft 4 to the central axis of the bracket 1, so that the knife shaft 4 is inclined relative to the central axis of the bracket 1 set so that the blade 31 of the can opener 3 sleeved on the rotating support 5 forms a certain angle.
  • the knife shaft 4 is tilted relative to the bracket 1, and can be pressed against the side wall of the tank body 200, so that the tank body 200 can be cut quickly, further improving the cutting effect and efficiency, and the can opener 3 forms a
  • the rotary structure can evenly cut the tank body 200, improve the cutting effect, and effectively avoid uneven cutting.
  • the push wheel 2 is also a rotator structure, so as to be able to push the tank body 200 to rotate evenly and improve the cutting effect.
  • a second step 41 is formed on the outer wall of the cutter shaft 4 in the radial direction of the cutter shaft 4 , and the second step 41 is a first stopper. It can be understood that by rotating the can opener 3 on the knife shaft 4 and being located on the second step 41, the second step 41 can carry the can opener 3, so that the can opener 3 is installed at a preset position, so it can Make a gap between the can opener 3 and the bracket 1.
  • the can opener 100 further includes a rotating support 5, the rotating support 5 includes an inner ring 51 and an outer ring 52 sleeved on the inner ring 51 and can rotate relatively, the inner ring 51 is sleeved on the cutter shaft and located on the first stopper.
  • the inner ring 51 is fixedly connected with the cutter shaft 4, so that the outer ring 52 of the rotating support member 5 can rotate relative to the inner ring 51 and open.
  • the pot knife 3 is sleeved on the outer ring 52 . It can be understood that the compactness of the overall structure can be improved by sequentially sheathing the cutter shaft 4 , the inner ring 51 , the outer ring 52 and the can opener 3 .
  • the outer ring 52 of the rotary support 5 is fixedly connected to the can opener 3, and the inner ring 51 of the rotary support 5 is sleeved on the knife shaft 4 and positioned on the first stopper, so that the first stopper can
  • the rotating support 5 is loaded, so the rotating support 5 can not only support the can opener 3 as a load-bearing structure, but also support the rotation of the can opener 3 as a rotating structure, so that the sliding friction during the rotation of the can opener 3 becomes The rotational friction can further reduce the frictional force of the rotation of the can opener 3 , thereby further reducing the slipping of the push wheel 2 due to excessive frictional force, further prolonging the service life of the can opener 100 and reducing noise.
  • the rotary support 5 comprises ball bearings. It can be understood that the ball bearing has excellent rotation accuracy, can ensure the smooth rotation of the can opener 3 and effectively reduce friction, and can bear relatively large axial and radial loads to form a stable support for the can opener 3 . It should be noted that, in other embodiments, the rotating support member 5 can also be other bearings or devices that can not only carry the can opener 3 but also support the rotation of the can opener 3 , which is not specifically limited here.
  • the can opener 100 further includes a connecting shaft 6 connected to the push wheel 2 ; an accommodating cavity for accommodating the connecting shaft 6 and having a travel space is formed in the bracket 1 .
  • the can opener 100 also includes an elastic member 9 accommodated in the accommodating cavity, and the elastic member 9 is sheathed on the connecting shaft 6 .
  • the accommodating cavity accommodates the connecting shaft 6, and the push wheel 2 connected with the connecting shaft 6 is placed outside the can opener 100 so as to be able to press the can body 200, wherein there is a stroke space in the accommodating cavity, Through the action of the elastic member 9 , the connecting shaft 6 can have a buffer space, so that the pushing wheel 2 can be tightly pressed against the top of the tank body 200 .
  • the can opener 100 further includes a power mechanism 7 disposed on the support 1 , and the output end of the power mechanism 7 is connected to the push wheel 2 .
  • the power mechanism 7 automatically drives the push wheel 2 to rotate, so that the can opener 100 can be automatically opened, and the can opener 100 can be opened without manual rotation of the push wheel 2, thereby improving the performance of the can opener 100. Automatic, further improving the efficiency and convenience of opening cans.
  • the power mechanism 7 includes a driving device 71 and a transmission device 72 , the output end of the driving device 71 is connected to the input end of the transmission device 72 , and the output end of the transmission device 72 is connected to the push wheel 2 .
  • the driving device 71 may be a rotating motor.
  • the driving device 71 may be other devices capable of driving the push wheel 2 to rotate, and no special limitation is made here. It can be understood that the driving device 71 drives the transmission device 72 to rotate, and the transmission device 72 drives the push wheel 2 to rotate, which can improve the compactness of the structure, so that the drive device 71 that is not coaxial with the push wheel 2 can smoothly drive the push wheel 2 to rotate .
  • the transmission device 72 includes a driving wheel and a driven wheel meshed with the driving wheel; the input end of the driving wheel is connected to the output end of the driving device 71, and the output end of the driven wheel is connected to the driving wheel 2 connections.
  • the driving wheel and the driven wheel cooperate to form a gear transmission device, which can transmit the driving force of the driving device 71 to the push wheel 2, thereby driving the push wheel 2 to rotate smoothly, and has the advantages of compact structure, high working stability, and high transmission efficiency. specialty.
  • the bracket 1 is provided with a push switch (not shown in the figure), the push switch is electrically connected to the drive device 71, and the push switch is used to control the rotation state of the drive device 71.
  • the can opener 100 can be put into working state by pressing the push switch, and the operation is simple and convenient.
  • the outer wall of the cutter shaft 4 is provided with an external thread 42
  • the bracket 1 is provided with an internal thread
  • the cutter shaft 4 is screwed into the bracket 1 through the external thread 42 and the internal thread.
  • the can opener 100 further includes a fixing part 8 arranged on the bracket 1, the fixing part 8 is arranged adjacent to the push wheel 2, and the fixing part 8 is used to push the push wheel 2
  • the fixing member 8 and the pushing wheel 2 are located at the same position of the bracket 1, and the fixing member 8 is in a ring structure, and the pushing wheel 2 is located in the ring structure.
  • the bracket 1 has the above-mentioned accommodating cavity and an opening communicating with the accommodating cavity.
  • the shaft 4 is horizontally accommodated in the accommodation cavity
  • the can opener 3 is vertically accommodated in the accommodation cavity
  • part of the structure of the blade 31 of the can opener 3 is placed outside the opening, the gap between the can opener 3 and the wall of the accommodation cavity is
  • There is the above-mentioned gap between the can opener 3 and the cavity wall of the accommodating cavity so as to avoid the relative friction between the can opener 3 and the bracket 1 during the cutting process, and facilitate the pressing of the edge of the can opener 3 into the side of the can body 200 wall to cut the can body 200 .
  • the peripheral wall of the can opener 3 near the second end is further provided with a third step extending along the radial direction of the can opener 3, the third step is spaced apart from the blade 31, and the radial direction of the third step The length is greater than the radial length of the blade 31.
  • the can opener 3 is inclined relative to the can body 200, and the radial length of the third step is greater than that of the blade 31.
  • the radial length is used, when the blade 31 abuts against the side wall of the tank body 200 , the third step also abuts against the side wall of the tank body 200 , so as to form a fulcrum when the blade 31 cuts.
  • the utility model also provides a can opener 3, the peripheral wall of the can opener 3 is provided with a blade 31; the peripheral wall of the can opener 3 is also provided with a first stopper, the first stopper The part and the blade 31 are spaced apart.
  • the can opener 3 can cut the can body 200 through the blade 31 , the blade 31 of the can opener 3 is pressed into the side wall of the can body 200 to form a cut, and at the same time, the first stopper is against the blade 31 to cut
  • the upper area of the cutting opening formed by the tank body 200 controls the thickness of the blade 31 inserted into the side wall of the tank body 200 during the cutting process, effectively avoiding the excessive insertion of the blade 31 into the tank body 200, so that the blade 31 effectively avoids the thickness of the tank body 200 during the cutting process.
  • Iron wire is generated, and the gap range between the blade 31 and the push wheel 2 can be increased through the first limiting member, reducing precision requirements.
  • the present application also provides a control method of a can opener 100, including the can opener 100 described in any one of the above embodiments, and the control method of the can opener 100 includes the following steps:
  • the blade 31 of the can opener 3 is pressed into the side wall of the can body 200 to cut to form a cut.
  • the limiting member is against the side wall of the tank body 200 above the cutout.
  • the control method of the can opener 100 can cut the side wall of the can body 200 close to the top cover to form an outer incision, and the cut top cover is a complete top cover, which can be closed on the can body 200 again.
  • the first limiting member can carry the can opener 3 so that the can opener 3 is suspended relative to the support 1, avoiding friction between the can opener 3 and the support 1 during the rotation process, thereby reducing the force of the push wheel.
  • the can body 200 is cut by the blade 31, and the blade 31 of the can opener 3 is pressed into the side wall of the can body 200 to form a While cutting the opening, the second stopper is against the upper area of the cutting opening of the tank body 200 to control the thickness of the blade 31 inserted into the side wall of the tank body 200 during the cutting process, effectively preventing the blade 31 from being excessively inserted into the tank body 200, thereby making the blade 31 31 effectively prevents iron wires from being generated at the incision position of the tank body 200 during the cutting process, and the gap range between the blade 31 and the push wheel 2 can be increased through the second limiting member, reducing precision requirements.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Devices For Opening Bottles Or Cans (AREA)

Abstract

一种开罐器及其控制方法，开罐器包括支架（1）、推动轮（2）、开罐刀（3）和刀轴（4）；推动轮以自身中心轴为中心转动设置于支架上；刀轴的外壁设置有第一限位件，开罐刀转动套设于刀轴并位于第一限位件上，开罐刀与支架之间存在间隙；开罐刀的周壁设置有刀刃（31），且开罐刀靠近推动轮的第一端的周壁还设置有与刀刃间隔的第二限位件，刀刃与推动轮之间形成间隙。开罐器及其控制方法能够有效避免刀刃过度插入罐体，从而使刀刃在切割过程中有效避免罐体切口位置产生铁丝，且通过第二限位件能够增大刀刃和推动轮之间的间隙范围，降低精度要求。

Description

开罐器及其控制方法
本申请要求于2021年08月12日提交中国专利局、申请号为202110925220.5，申请名称为“开罐器及其控制方法”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本申请属于开罐器具技术领域，特别是一种开罐器及其控制方法。
背景技术
开罐器是普通的家用器具，能够对罐体进行切割以移除顶盖。市场上通用的一种开罐器是通过开罐刀对罐体的侧壁进行切割以移除顶盖，使用该开罐器对罐体进行开盖容易出现拉丝的情况，从而导致切割后的罐口较不平滑。
发明内容
本申请的目的在于提供一种开罐器及其控制方法，用以改善现有技术的开罐器对罐体进行切割开盖容易出现拉丝的情况，从而导致切割后的罐口较不平滑的缺点。
其技术方案如下：
一种开罐器，所述开罐器包括支架、推动轮、开罐刀和刀轴；
所述推动轮以自身中心轴为中心转动设置于所述支架上；
所述刀轴的外壁设置有第一限位件，所述开罐刀转动套设于所述刀轴并位于所述第一限位件上，所述开罐刀与所述支架之间存在间隙；
所述开罐刀的周壁设置有刀刃，且所述开罐刀靠近所述推动轮的第一端的周壁还设置有与所述刀刃间隔的第二限位件，所述刀刃与所述推动轮之间形成间隙。
在其中一个实施例中，所述开罐刀的第一端与所述刀刃之间形成第一台阶，且所述开罐刀第一端的径向长度小于所述刀刃的径向长度，所述第一台阶为所述第二限位件。
在其中一个实施例中，所述开罐刀第一端的径向长度与所述刀刃的径向长 度的径向差范围为0.05mm～0.5mm。
在其中一个实施例中，所述开罐刀为回转体结构，所述推动轮横向设置于支架中，所述开罐刀竖向设置于支架中，且所述开罐刀相对所述支架的中心轴倾斜设置。
在其中一个实施例中，所述刀轴的外壁朝所述刀轴径向方向形成有第二台阶，所述第二台阶为所述第一限位件。
在其中一个实施例中，所述开罐器还包括旋转支撑件，所述旋转支撑件包括内圈以及套设于所述内圈上并可相对转动的外圈，所述内圈套设于所述刀轴并位于所述第一限位件上，所述开罐刀套设于所述外圈上。
在其中一个实施例中，所述旋转支撑件包括滚珠轴承。
在其中一个实施例中，所述开罐器还包括与所述推动轮连接的连接轴；所述支架内形成有容纳所述连接轴并具有行程空间的容置腔，所述开罐器还包括容纳于所述容置腔中的弹性件，所述弹性件套设于所述连接轴上。
在其中一个实施例中，所述开罐器还包括设置于所述支架上的动力机构；
所述动力机构包括驱动装置和传动装置，所述驱动装置的输出端与所述传动装置的输入端连接，所述传动装置的输出端与所述推动轮连接。
一种开罐器的控制方法，包括如上任一实施例所述的开罐器，所述开罐器的控制方法包括如下步骤：
控制开罐器移动至罐体的预设位置，此时推动轮抵住罐体的顶部，开罐刀抵住罐体的侧壁；
控制所述推动轮以自身中心轴为中心转动，所述推动轮转动过程中带动罐体以自身中心轴为中心转动；
罐体转动过程中，所述开罐刀的刀刃压入罐体的侧壁进行切割形成切割口，所述刀刃切割至罐体侧壁的预设厚度时，所述开罐刀的第二限位件抵住切割口上方的罐体侧壁。
本申请所提供的技术方案具有以下的优点及效果：
该开罐器通过支架、推动轮、开罐刀和刀轴相互配合，能够对罐体靠近顶盖的侧壁进行切割形成外切切口，切割后的顶盖为完整顶盖，能够再次盖合于罐体上。此外，通过第一限位件能够对开罐刀进行承载以使开罐刀相对支架悬置，避免在转动过程中开罐刀相对支架产生摩擦形成摩擦力，从而减小推动轮 由于摩擦力过大导致打滑的情况，以延长开罐器的使用寿命以及降低噪音；通过第二限位件抵住罐体切割口的上方区域，控制刀刃在切割过程中插入罐体侧壁的厚度，有效避免刀刃过度插入罐体，从而使刀刃在切割过程中有效避免罐体切口位置产生铁丝，且通过该第二限位件能够增大该刀刃和推动轮之间的间隙范围，降低精度要求。
附图说明
此处的附图，示出了本申请所述技术方案的具体实例，并与具体实施方式构成说明书的一部分，用于解释本申请的技术方案、原理及效果。
除非特别说明或另有定义，不同附图中，相同的附图标记代表相同或相似的技术特征，对于相同或相似的技术特征，也可能会采用不同的附图标记进行表示。
图1是本实用新型实施例的开罐器的立体结构示意图；
图2为图1的开罐器的纵截面示意图；
图3为图2的开罐器A处的放大示意图；
图4为图1的开罐器的开罐刀的立体结构示意图；
图5为图1的开罐器的刀轴的立体结构示意图。
附图标记说明：
100、开罐器；
1、支架；2、推动轮；3、开罐刀；31、刀刃；32、第一台阶；4、刀轴；41、第二台阶；42、外螺纹；5、旋转支撑件；51、内圈；52、外圈；6、连接轴；7、动力机构；71、驱动装置；72、传动装置；8、固定件；9、弹性件；
200、罐体；210、凸起。
具体实施方式
为了便于理解本申请，下面将参照说明书附图对本申请的具体实施例进行更详细的描述。
除非特别说明或另有定义，本文所使用的所有技术和科学术语与所属技术领域的技术人员通常理解的含义相同。在结合本申请的技术方案以现实的场景的情况下，本文所使用的所有技术和科学术语也可以具有与实现本申请的技术 方案的目的相对应的含义。
除非特别说明或另有定义，本文所使用的“第一、第二…”仅仅是用于对名称的区分，不代表具体的数量或顺序。
除非特别说明或另有定义，本文所使用的术语“和/或”包括一个或多个相关的所列项目的任意的和所有的组合。
需要说明的是，当元件被认为“固定于”另一个元件，它可以是直接固定在另一个元件上，也可以是存在居中的元件；当一个元件被认为是“连接”另一个元件，它可以是直接连接到另一个元件，也可以是同时存在居中元件；当一个元件被认为是“安装在”另一个元件，它可以是直接安装在另一个元件，也可以是同时存在居中元件。当一个元件被认为是“设在”另一个元件，它可以是直接设在另一个元件，也可以是同时存在居中元件。
需要说明的是，如图1所示，该开罐器100能够对罐体200进行切割以移除罐体200的顶盖，例如可以对金属罐或者塑料罐等进行切割以移除顶盖，在此不作特别的限制。
本申请提供一种开罐器100，如图1至图5所示，该开罐器100包括支架1、推动轮2、开罐刀3和刀轴4；推动轮2可转动地设置于支架1上，具体在本实施例中，该推动轮2以自身中心轴为中心进行旋转运动，推动轮2用于抵住罐体200的顶部，推动轮2在转动过程中带动罐体200随行转动。
刀轴4的外壁设置有第一限位件，开罐刀3转动套设于刀轴4并位于第一限位件上，开罐刀3与支架1之间存在间隙；可以理解地，第一限位件能够对开罐刀3进行承载以使开罐刀3相对支架1悬置，避免在转动过程中开罐刀3相对支架1产生摩擦形成摩擦力，且开罐刀3套设于刀轴4上，一方面能够支持开罐刀3的转动，另一方面能够限制开罐刀3发生位置偏移。
开罐刀3的周壁设置有刀刃31，且开罐刀3靠近推动轮2的第一端的周壁还设置有与刀刃31间隔的第二限位件，刀刃31与推动轮2之间形成间隙；需要说明的是，该开罐刀3的第一端为开罐刀3的顶端，开罐刀3的顶端靠近推动轮2。可以理解地，该推动轮2和刀刃31之间的间隙用于夹紧罐体200的顶盖和侧壁之间的位置，其中该推动轮2用于抵住罐体200的顶部，开罐刀3抵住罐体200靠近罐体200顶部的侧壁，需要说明的是，该开罐刀3抵住罐体200在与顶盖临接的侧壁，且该侧壁向外突出形成具有一定厚度的凸起210。推动 轮2在转动过程中带动罐体200随行转动，此时开罐刀3对罐体200的侧壁依次切割以将罐体200的顶盖分离罐体200。此外，当推动轮2抵住罐体200顶部时，开罐刀3的刀刃31压入罐体200的侧壁，第二限位件用于抵住刀刃31切割罐体200形成的切割口的上方区域，以控制刀刃31在切割过程中插入罐体200侧壁的厚度，从而使刀刃31在切割过程中有效避免罐体200产生铁丝。
可以理解地，该开罐器100的工作原理大致如下：当需要对罐体200进行开盖时，将开罐器100的推动轮2抵住罐体200的顶盖，并使开罐刀3的刀刃31抵住罐体200的侧壁，转动推动轮2，此时罐体200在推动轮2的推动下以自身中心轴为中心进行旋转，开罐刀3跟随旋转并通过自身外侧的刀刃31压入罐体200的侧壁以对罐体200进行切割，此时第二限位件抵住罐体200的侧壁，切割后的顶盖为完整顶盖，能够再次盖合于罐体200上。
综上，该开罐器100通过支架1、推动轮2、开罐刀3和刀轴4相互配合，能够对罐体200靠近顶盖的侧壁进行切割形成外切切口，切割后的顶盖为完整顶盖，能够再次盖合于罐体200上。此外，通过第一限位件能够对开罐刀3进行承载以使开罐刀3相对支架1悬置，避免在转动过程中开罐刀3相对支架1产生摩擦形成摩擦力，从而减小推动轮2由于摩擦力过大导致打滑的情况，以延长开罐器100的使用寿命以及降低噪音；通过第二限位件抵住罐体200切割口的上方区域，能够控制刀刃31在切割过程中插入罐体200侧壁的厚度，有效避免刀刃31过度插入罐体200，从而使刀刃31在切割过程中有效避免罐体200切口位置产生铁丝，且通过该第二限位件能够增大该刀刃31和推动轮2之间的间隙范围，降低精度要求。
在一些实施例中，如图3和图4所示，开罐刀3的第一端与刀刃31之间形成第一台阶32，且开罐刀3第一端的径向长度小于刀刃31的径向长度，第一台阶32为第二限位件。可以理解地，通过在开罐刀3的刀刃31上方形成向内缩进的第一台阶32，当开罐刀3的刀刃31压入罐体200的侧壁形成切割口的时候，该第一台阶32能够抵住刀刃31切割罐体200形成的切割口的上方区域，以控制刀刃31在切割过程中插入罐体200侧壁的厚度，从而使刀刃31在切割过程中有效避免罐体200产生铁丝。
在一些实施例中，如图4所示，为了使该第一台阶32一方面能够抵住切割口的上方区域，另一方面能够避免该第一台阶32阻碍开罐刀3的刀刃31切 割，并精确控制刀刃31在切割过程中插入罐体200侧壁的厚度，控制开罐刀3第一端的径向长度与刀刃31的径向长度的径向差范围为0.05mm～0.5mm，具体地，该径向差可以是0.05mm、0.2mm、0.3mm、0.4mm、0.5mm等，在此不作特别的限制。
在一些实施例中，该开罐刀3为回转体结构，推动轮2横向设置于支架1中，开罐刀3竖向设置于支架1中，且开罐刀3相对支架1的中心轴倾斜设置。具体地，在本实施例中，该刀轴4的顶端至支架1中心轴的距离小于刀轴4的底端至支架1中心轴的距离，以使该刀轴4相对支架1的中心轴倾斜设置，从而使套设于旋转支撑件5上的开罐刀3的刀刃31形成一定角度，需要说明的是，该开罐器100切割罐体200时，开罐器100靠近推动轮2的一端朝罐体200倾斜，此时刀轴4相对支架1倾斜，能够抵紧于罐体200的侧壁，从而能够快速将罐体200进行切割，进一步提高切割效果及效率，且开罐刀3形成回转体结构，能够对罐体200进行均匀切割，提高切割效果，有效避免切割不均匀。进一步地，该推动轮2也为回转体结构，以能够均匀推动罐体200转动，提高切割效果。
在一些实施例中，如图3所示，刀轴4的外壁朝刀轴4径向方向形成有第二台阶41，第二台阶41为第一限位件。可以理解地，通过开罐刀3转动设置于刀轴4并位于第二台阶41上，第二台阶41能够对开罐刀3进行承载，以使开罐刀3安装于预设位置，因此能够使开罐刀3和支架1之间存在间隙。
在一些实施例中，如图2所示，开罐器100还包括旋转支撑件5，旋转支撑件5包括内圈51以及套设于内圈51上并可相对转动的外圈52，内圈51套设于刀轴并位于第一限位件上，需要说明的是，该内圈51与刀轴4固定连接，以使该旋转支撑件5的外圈52能够相对内圈51转动，开罐刀3套设于外圈52上。可以理解地，通过刀轴4、内圈51、外圈52和开罐刀3依次套设，能够提高整体结构的紧凑性。此外，通过旋转支撑件5的外圈52与开罐刀3固定连接，旋转支撑件5的内圈51套设于刀轴4并位于第一限位件上，以使第一限位件能够对旋转支撑件5进行承载，因此旋转支撑件5既能够作为承载结构支撑开罐刀3，又能够作为旋转结构支持开罐刀3的转动，将开罐刀3转动过程中的滑动摩擦变为转动摩擦，能够进一步降低开罐刀3转动的摩擦力，从而进一步减小推动轮2由于摩擦力过大导致打滑的情况，进一步延长开罐器100 的使用寿命以及降低噪音。
在一些实施例中，旋转支撑件5包括滚珠轴承。可以理解地，滚珠轴承具有出色的旋转精度，能够保证开罐刀3的顺畅转动及有效减小摩擦力，且能够承受较大的轴向和径向负荷，以对开罐刀3形成稳固支撑。需要说明的是，在其他实施例中，该旋转支撑件5也可以为其他即能够承载开罐刀3又能够支持开罐刀3转动的轴承或者装置，在此不作特别的限定。
在一些实施例中，如图2所示，开罐器100还包括与推动轮2连接的连接轴6；支架1内形成有容纳连接轴6并具有行程空间的容置腔。开罐器100还包括容纳于容置腔中的弹性件9，弹性件9套设于连接轴6上。可以理解地，该容置腔容纳连接轴6，与该连接轴6连接的推动轮2外置于开罐器100，以能够对罐体200进行抵压，其中容置腔中具有行程空间，通过弹性件9的作用能够使连接轴6具有缓冲空间，以能够使推动轮2紧密抵压于罐体200的顶部。
在一些实施例中，如图2所示，开罐器100还包括设置于支架1上的动力机构7，动力机构7的输出端与推动轮2连接。可以理解地，通过动力机构7自动驱动推动轮2转动，能够使该开罐器100进行自动开罐处理，不需要手动转动推动轮2即可进行开盖操作，从而提高该开罐器100的自动性，进一步提高开罐效率及便捷性。
在一些实施例中，动力机构7包括驱动装置71和传动装置72，驱动装置71的输出端与传动装置72的输入端连接，传动装置72的输出端与推动轮2连接。具体在本实施例中，该驱动装置71可以为旋转电机。当然，在其他实施例中，该驱动装置71可以为其他能够驱动推动轮2转动的装置，在此不作特别的限制。可以理解地，通过驱动装置71驱动传动装置72旋转，传动装置72带动推动轮2进行转动，能够提高结构紧凑性，以使与推动轮2不同轴的驱动装置71能够顺畅驱动推动轮2转动。
在一些实施例中，如图2所示，传动装置72包括主动轮以及与主动轮啮合传动的从动轮；主动轮的输入端与驱动装置71的输出端连接，从动轮的输出端与推动轮2连接。可以理解地，主动轮与从动轮配合形成齿轮传动装置，能够将驱动装置71的驱动力传向推动轮2，从而驱动推动轮2进行平稳转动，具有结构紧凑、工作平稳性高、传动效率高的特点。
在一些实施例中，该支架1上设置有按压开关(图未示)，按压开关与驱 动装置71电连接，该按压开关用于控制驱动装置71转动状态，当需要进行开罐操作时，通过按压该按压开关即可使该开罐器100处于工作状态，操作简单便捷。
在一些实施例中，如图5所示，刀轴4的外壁设置有外螺纹42，支架1内设置有内螺纹，刀轴4通过外螺纹42与内螺纹配合螺纹连接于支架1内。可以理解地，刀轴4螺纹连接于支架1，能够在组装过程中通过实际需要调整刀轴4在支架1内的位置，从而调整开罐刀3相对推动轮2的间隙，从而能够适应不同规格和形状的罐体200。
在一些实施例中，如图2所示，该开罐器100还包括设置于支架1上的固定件8，固定件8与推动轮2相邻设置，该固定件8用于在推动轮2顶住罐体200的顶盖时随行顶住罐体200的顶盖，有效避免罐体200在转动过程中发生位置偏移导致切割位置偏移。具体在本实施例中，该固定件8与推动轮2位于支架1的同一位置，且固定件8呈环状结构，推动轮2位于环状结构内。
在一些实施例中，如图2所示，该支架1具有上述容纳腔以及与该容纳腔连通的开口，需要说明的是，在本实施例中，该开口开设于支架1的侧壁，刀轴4横向容置于容纳腔中，开罐刀3竖向容置于容纳腔中，且开罐刀3的刀刃31的部分结构外置于开口，开罐刀3与容纳腔的腔壁之间存在上述的间隙，避免开罐刀3与容纳腔的腔壁接触，从而避免开罐刀3切割过程中与支架1产生相对摩擦，且便于开罐刀3的刀口压入罐体200的侧壁以对罐体200进行切割。
在一些实施例中，该开罐刀3靠近第二端的周壁还设置有沿开罐刀3径向方向延伸的第三台阶，该第三台阶与刀刃31间隔设置，且第三台阶的径向长度大于刀刃31的径向长度，当开罐刀3的刀刃31切割罐体200的侧壁时，此时开罐刀3相对罐体200倾斜设置，第三台阶的径向长度大于刀刃31的径向长度时，能够在刀刃31抵接到罐体200侧壁时，第三台阶也抵接于罐体200侧壁，以能够形成刀刃31切割时的支点。
基于上述的开罐器100，本实用新型还提供一种开罐刀3，开罐刀3的周壁设置有刀刃31；开罐刀3的周壁还设置有第一限位件，第一限位件与刀刃31间隔设置。
综上，该开罐刀3通过刀刃31能够对罐体200进行切割，开罐刀3的刀刃31压入罐体200的侧壁形成切割口的同时，第一限位件抵住刀刃31切割罐 体200形成的切割口的上方区域，控制刀刃31在切割过程中插入罐体200侧壁的厚度，有效避免刀刃31过度插入罐体200，从而使刀刃31在切割过程中有效避免罐体200产生铁丝，且通过该第一限位件能够增大该刀刃31和推动轮2之间的间隙范围，降低精度要求。
本申请还提供一种开罐器100的控制方法，包括如上任一实施例所述的开罐器100，该开罐器100的控制方法包括如下步骤：
控制开罐器100移动至罐体200的预设位置，此时推动轮2抵住罐体200的顶部，开罐刀3抵住罐体200的侧壁；
控制推动轮2以自身中心轴为中心转动，推动轮2转动过程中带动罐体200以自身中心轴为中心转动；
罐体200转动过程中，开罐刀3的刀刃31压入罐体200的侧壁进行切割形成切割口，刀刃31切割至罐体200侧壁的预设厚度时，开罐刀3的第二限位件抵住切割口上方的罐体200侧壁。
综上，该开罐器100的控制方法能够对罐体200靠近顶盖的侧壁进行切割形成外切切口，切割后的顶盖为完整顶盖，能够再次盖合于罐体200上。此外，第一限位件能够对开罐刀3进行承载以使开罐刀3相对支架1悬置，避免在转动过程中开罐刀3相对支架1产生摩擦形成摩擦力，从而减小推动轮2由于摩擦力过大导致打滑的情况，以延长开罐器100的使用寿命以及降低噪音；通过刀刃31对罐体200进行切割，开罐刀3的刀刃31压入罐体200的侧壁形成切割口的同时，第二限位件抵住罐体200切割口的上方区域，控制刀刃31在切割过程中插入罐体200侧壁的厚度，有效避免刀刃31过度插入罐体200，从而使刀刃31在切割过程中有效避免罐体200切口位置产生铁丝，且通过该第二限位件能够增大该刀刃31和推动轮2之间的间隙范围，降低精度要求。
引用图纸说明时，是对出现的新特征进行说明；为了避免重复引用图纸导致描述不够简洁，在表述清楚的情况下已描述的特征，图纸不再一一引用。
以上实施例的目的，是对本申请的技术方案进行示例性的再现与推导，并以此完整的描述本申请的技术方案、目的及效果，其目的是使公众对本申请的公开内容的理解更加透彻、全面，并不以此限定本申请的保护范围。
以上实施例也并非是基于本申请的穷尽性列举，在此之外，还可以存在多个未列出的其他实施方式。在不违反本申请构思的基础上所作的任何替换与改 进，均属本申请的保护范围。

Claims (10)

  1. 开罐器，其特征在于，所述开罐器包括支架、推动轮、开罐刀和刀轴；
    所述推动轮以自身中心轴为中心转动设置于所述支架上；
    所述刀轴的外壁设置有第一限位件，所述开罐刀转动套设于所述刀轴并位于所述第一限位件上，所述开罐刀与所述支架之间存在间隙；
    所述开罐刀的周壁设置有刀刃，且所述开罐刀靠近所述推动轮的第一端的周壁还设置有与所述刀刃间隔的第二限位件，所述刀刃与所述推动轮之间形成间隙。
  2. 如权利要求1所述的开罐器，其特征在于，所述开罐刀的第一端与所述刀刃之间形成第一台阶，且所述开罐刀第一端的径向长度小于所述刀刃的径向长度，所述第一台阶为所述第二限位件。
  3. 如权利要求2所述的开罐器，其特征在于，所述开罐刀第一端的径向长度与所述刀刃的径向长度的径向差范围为0.05mm～0.5mm。
  4. 如权利要求1所述的开罐器，其特征在于，所述开罐刀为回转体结构，所述推动轮横向设置于支架中，所述开罐刀竖向设置于支架中，且所述开罐刀相对所述支架的中心轴倾斜设置。
  5. 如权利要求1所述的开罐器，其特征在于，所述刀轴的外壁朝所述刀轴径向方向形成有第二台阶，所述第二台阶为所述第一限位件。
  6. 如权利要求1所述的开罐器，其特征在于，所述开罐器还包括旋转支撑件，所述旋转支撑件包括内圈以及套设于所述内圈上并可相对转动的外圈，所述内圈套设于所述刀轴并位于所述第一限位件上，所述开罐刀套设于所述外圈上。
  7. 如权利要求6所述的开罐器，其特征在于，所述旋转支撑件包括滚珠轴承。
  8. 如权利要求1所述的开罐器，其特征在于，所述开罐器还包括与所述推动轮连接的连接轴；所述支架内形成有容纳所述连接轴并具有行程空间的容置腔，所述开罐器还包括容纳于所述容置腔中的弹性件，所述弹性件套设于所述连接轴上。
  9. 如权利要求1至8任一项所述的开罐器，其特征在于，所述开罐器还包括设置于所述支架上的动力机构；
    所述动力机构包括驱动装置和传动装置，所述驱动装置的输出端与所述传 动装置的输入端连接，所述传动装置的输出端与所述推动轮连接。
  10. 开罐器的控制方法，其特征在于，包括如权利要求1至9任一项所述的开罐器，所述开罐器的控制方法包括如下步骤：
    控制开罐器移动至罐体的预设位置，此时推动轮抵住罐体的顶部，开罐刀抵住罐体的侧壁；
    控制所述推动轮以自身中心轴为中心转动，所述推动轮转动过程中带动罐体以自身中心轴为中心转动；
    罐体转动过程中，所述开罐刀的刀刃压入罐体的侧壁进行切割形成切割口，所述刀刃切割至罐体侧壁的预设厚度时，所述开罐刀的第二限位件抵住切割口上方的罐体侧壁。
PCT/CN2022/110200 2021-08-12 2022-08-04 开罐器及其控制方法 WO2023016328A1 (zh)

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