WO2019010895A1 - 用于旋转切割刀的刹车结构 - Google Patents

用于旋转切割刀的刹车结构 Download PDF

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Publication number
WO2019010895A1
WO2019010895A1 PCT/CN2017/112457 CN2017112457W WO2019010895A1 WO 2019010895 A1 WO2019010895 A1 WO 2019010895A1 CN 2017112457 W CN2017112457 W CN 2017112457W WO 2019010895 A1 WO2019010895 A1 WO 2019010895A1
Authority
WO
WIPO (PCT)
Prior art keywords
cutter
plug
positioning
brake structure
shank
Prior art date
Application number
PCT/CN2017/112457
Other languages
English (en)
French (fr)
Inventor
陈智勇
王得隆
陈良茂
Original Assignee
黄志坚
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 黄志坚 filed Critical 黄志坚
Publication of WO2019010895A1 publication Critical patent/WO2019010895A1/zh

Links

Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J43/00—Implements for preparing or holding food, not provided for in other groups of this subclass
    • A47J43/04—Machines for domestic use not covered elsewhere, e.g. for grinding, mixing, stirring, kneading, emulsifying, whipping or beating foodstuffs, e.g. power-driven
    • A47J43/07—Parts or details, e.g. mixing tools, whipping tools
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application

Definitions

  • the invention relates to a brake structure for a rotary cutter.
  • the cutting knife for cutting food will rotate at a high speed.
  • the lid of the stirring cup is opened, the cutting knife should stop rotating quickly to avoid harm to the human body.
  • the existing mixer is generally The direction of the magnetic field is switched by the circuit to make the motor stop quickly to realize the stop of the cutting knife.
  • the disadvantage of this method is that the direction of the magnetic field of the stator is changed instantaneously when the motor brakes, the carbon brush wears large, and there is a clear spark.
  • the life of the motor has a large impact, so a safe and effective cutter brake structure that has little impact on the life of the motor is urgently needed.
  • the present invention aims to solve at least one of the above technical problems in the related art to some extent. To this end, the present invention proposes a brake structure for a rotary cutter that is safe and effective and has little influence on the life of the motor.
  • the brake structure for rotating the cutter comprises a positioning cutter shaft disposed under the stirring cup, the upper end of the positioning cutter shaft is provided with a flat position, and the hollow cutter rod is sleeved on the positioning cutter shaft through the cutter rod plug, the cutter The rod plug is fixed under the knife bar, and the upper part of the knife bar plug is provided with a hole groove corresponding to the flat position, and a pressure spring and a pressure block are arranged above the positioning knife shaft in the tool bar.
  • a card slot for limiting the position of the compression spring is disposed in the cutter bar.
  • the knife bar plug is detachably connected to the tool bar.
  • the upper portion of the shank plug is provided with two sets of holes corresponding to the flat positions, and the holes are evenly distributed in the shank plug.
  • the arbor plug is further provided with a plurality of evenly distributed radial ribs, and the radial ribs abut against the inner side of the arbor.
  • the invention has the advantages that the structure is simple, safe and reliable, the cutting knife stops reacting rapidly, the stopping time is short, and is not limited by the size and rotation speed of the cutting knife, and has wide application range, and does not have any influence on the life of the motor. Easy to replace and low cost.
  • Figure 1 is a schematic cross-sectional view of the present invention
  • FIG. 2 is a perspective view showing the structure of the shank and the shank plug of the present invention.
  • the brake structure for a rotary cutter includes a positioning cutter shaft 1 disposed under the stirring cup, the upper end of the positioning cutter shaft 1 is provided with a flat position 11, and the hollow cutter rod 2 passes
  • the shank plug 3 is sleeved on the positioning arbor 1 , and the shank plug 3 is fixed under the shank 2 , and is detachably connected with the shank 2 for easy replacement.
  • the upper part of the shank plug 3 is provided corresponding to the flat position 11 .
  • the upper portion of the shank plug 3 is provided with two sets of holes corresponding to the flat position 11, the holes are evenly distributed in the shank plug 3, and the flat position 11 is increased into the shank plug.
  • the knife bar plug 3 is further provided with a plurality of evenly distributed radial ribs 31, and the radial ribs 31 abut against the inner side of the shank 2, the knife The rod 2 rotates or stops synchronously with the shank plug 3.
  • the shank 2 is provided with a compression spring 4 and a pressure block 5 above the positioning arbor 1 .
  • the shank 2 is provided with a card slot for limiting the position of the compression spring 4 . .
  • the agitating cover presses the arbor 2 and the shank plug 3 downward, and the positioning arbor 1 presses the compression spring 4 upward through the pressing block 5, and the flat position 11 at the upper portion of the positioning arbor 1 is exposed.
  • the cutting knives can operate normally.
  • the stirring cover is opened, the compression spring 4 pushes up the shank 2, and at the same time drives the shank plug 3 to move upward, and the flat position 11 enters into the hole of the upper part of the shank plug 3, thereby generating interference and preventing the shank plug 3
  • the cutter bar 2 rotates, the cutter cutter stops.
  • the cutting knife stops responding quickly, the stall time is short, and it is not limited by the cutter size and speed, and will not have any impact on the motor life.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Mechanical Engineering (AREA)
  • Food Science & Technology (AREA)
  • Food-Manufacturing Devices (AREA)

Abstract

用于旋转切割刀的刹车结构，包括设置于搅拌杯下方的定位刀轴（1），定位刀轴（1）上端设置有扁位（11），中空的刀杆（2）通过刀杆塞（3）套设于定位刀轴（1）上，刀杆塞（3）固定在刀杆（2）下方，刀杆塞（3）上部设置有对应于扁位（11）的孔槽，刀杆（2）内在定位刀轴（1）上方设置有压簧（4）及压块（5）。

Description

用于旋转切割刀的刹车结构
技术领域
本发明涉及一种用于旋转切割刀的刹车结构。
背景技术
目前，用于食品加工的搅拌机在工作时，切割食品的切割刀会高速转动，当搅拌杯的盖子被打开后，切割刀应快速停止转动，以避免对人体造成伤害，现有的搅拌机一般是通过电路切换磁场方向，使电机快速停转，来实现切割刀的停转，这种方式的缺点是在电机刹车时，瞬间改变了定子的磁场方向，碳刷磨损大，有明显的火花，对电机的寿命产生较大影响，因此，一种安全有效、对电机寿命影响小的切割刀刹车结构是迫切需要的。
发明内容
本发明旨在至少在一定程度上解决相关技术中的上述技术问题之一。为此，本发明提出一种安全有效、对电机寿命影响小的用于旋转切割刀的刹车结构。
本发明解决其技术问题所采用的技术方案是：
用于旋转切割刀的刹车结构，包括设置于搅拌杯下方的定位刀轴，所述定位刀轴上端设置有扁位，中空的刀杆通过刀杆塞套设于定位刀轴上，所述刀杆塞固定在刀杆下方，刀杆塞上部设置有对应于扁位的孔槽，刀杆内在定位刀轴上方设置有压簧及压块。
作为上述技术方案的改进，所述刀杆内设置有限制压簧位置的卡槽。
作为上述技术方案的进一步改进，所述刀杆塞与刀杆可拆卸连接。
进一步，所述刀杆塞上部设有两组对应于扁位的孔槽，所述孔槽在刀杆塞内均匀分布。
进一步，所述刀杆塞上还设置有多个均匀分布的径向筋，所述径向筋与刀杆内侧抵接。
本发明的有益效果是：结构简单、安全可靠，切割刀停转反应迅速，停转时间短，且不受切割刀大小和转速的限制，适用范围广，同时不会对电机寿命产生任何影响，容易更换，成本低。
附图说明
下面结合附图和实施例对本发明进一步说明。
图1是本发明的剖视示意图；
图2是本发明的刀杆及刀杆塞的立体结构示意图。
具体实施方式
参照图1至图2，本发明的用于旋转切割刀的刹车结构，包括设置于搅拌杯下方的定位刀轴1，所述定位刀轴1上端设置有扁位11，中空的刀杆2通过刀杆塞3套设于定位刀轴1上，所述刀杆塞3固定在刀杆2下方，与刀杆2可拆卸连接，便于更换，刀杆塞3上部设置有对应于扁位11的孔槽，优选的，所述刀杆塞3上部设有两组对应于扁位11的孔槽，所述孔槽在刀杆塞3内均匀分布，增大了扁位11落入刀杆塞3的孔槽数量，使得停转响应更加迅速，进一步，所述刀杆塞3上还设置有多个均匀分布的径向筋31，所述径向筋31与刀杆2内侧抵接，刀杆2与刀杆塞3同步旋转或停止，刀杆2内在定位刀轴1上方设置有压簧4及压块5，优选的，所述刀杆2内设置有限制压簧4位置的卡槽。
当搅拌机盖合上时，搅拌盖将刀杆2及刀杆塞3往下压，定位刀轴1通过压块5将压簧4向上挤压，位于定位刀轴1上部的扁位11露出，处于刀杆塞3上部，切割刀可正常运转。当搅拌盖被打开时，压簧4将刀杆2向上顶起，同时带动刀杆塞3向上移动，扁位11进入到刀杆塞3上部的孔槽中，产生干涉，阻止刀杆塞3及刀杆2旋转，切割刀随即停转。切割刀停转反应迅速，停转时间短，且不受切割刀大小和转速的限制，不会对电机寿命产生任何影响。
以上具体结构和尺寸数据是对本发明的较佳实施例进行了具体说明，但本发明创造并不限于所述实施例，熟悉本领域的技术人员在不违背本发明精神的前提下还可做出种种的等同变形或替换，这些等同的变形或替换均包含在本申请权利要求所限定的范围内。

Claims (5)

  1. 用于旋转切割刀的刹车结构，其特征在于：包括设置于搅拌杯下方的定位刀轴（1），所述定位刀轴（1）上端设置有扁位（11），中空的刀杆（2）通过刀杆塞（3）套设于定位刀轴（1）上，所述刀杆塞（3）固定在刀杆（2）下方，刀杆塞（3）上部设置有对应于扁位（11）的孔槽，刀杆（2）内在定位刀轴（1）上方设置有压簧（4）及压块（5）。
  2. 根据权利要求1所述的用于旋转切割刀的刹车结构，其特征在于：所述刀杆（2）内设置有限制压簧（4）位置的卡槽。
  3. 根据权利要求1所述的用于旋转切割刀的刹车结构，其特征在于：所述刀杆塞（3）与刀杆（2）可拆卸连接。
  4. 根据权利要求1所述的用于旋转切割刀的刹车结构，其特征在于：所述刀杆塞（3）上部设有两组对应于扁位（11）的孔槽，所述孔槽在刀杆塞（3）内均匀分布。
  5. 根据权利要求1或4所述的用于旋转切割刀的刹车结构，其特征在于：所述刀杆塞（3）上还设置有多个均匀分布的径向筋（31），所述径向筋（31）与刀杆（2）内侧抵接。
PCT/CN2017/112457 2017-07-12 2017-11-23 用于旋转切割刀的刹车结构 WO2019010895A1 (zh)

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CN115212980B (zh) * 2021-04-14 2023-10-20 九阳股份有限公司 一种切碎机

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2501251Y2 (ja) * 1991-08-28 1996-06-12 ブラウン アクツィエンゲゼルシャフト 電気調理器用フ―ド・カッタ―
CN201750868U (zh) * 2010-03-10 2011-02-23 广东新宝电器股份有限公司 食物处理机的刀具制动结构
CN201958677U (zh) * 2010-12-30 2011-09-07 深圳市联创三金电器有限公司 手持式搅拌机的制动结构
CN203619396U (zh) * 2013-12-04 2014-06-04 中山市华美特电器制造有限公司 一种带有离合装置的搅拌机
CN205795547U (zh) * 2016-05-27 2016-12-14 宁波远大电器有限公司 一种手持式搅拌机的碎杯装置

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2501251Y2 (ja) * 1991-08-28 1996-06-12 ブラウン アクツィエンゲゼルシャフト 電気調理器用フ―ド・カッタ―
CN201750868U (zh) * 2010-03-10 2011-02-23 广东新宝电器股份有限公司 食物处理机的刀具制动结构
CN201958677U (zh) * 2010-12-30 2011-09-07 深圳市联创三金电器有限公司 手持式搅拌机的制动结构
CN203619396U (zh) * 2013-12-04 2014-06-04 中山市华美特电器制造有限公司 一种带有离合装置的搅拌机
CN205795547U (zh) * 2016-05-27 2016-12-14 宁波远大电器有限公司 一种手持式搅拌机的碎杯装置

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