WO2012041021A1 - Improved structure of branch grinder - Google Patents

Improved structure of branch grinder Download PDF

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Publication number
WO2012041021A1
WO2012041021A1 PCT/CN2011/070220 CN2011070220W WO2012041021A1 WO 2012041021 A1 WO2012041021 A1 WO 2012041021A1 CN 2011070220 W CN2011070220 W CN 2011070220W WO 2012041021 A1 WO2012041021 A1 WO 2012041021A1
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WO
WIPO (PCT)
Prior art keywords
gear
hob
primary
planetary
improved structure
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Application number
PCT/CN2011/070220
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French (fr)
Chinese (zh)
Inventor
张进
Original Assignee
嘉兴亚特园林机械研究所
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Publication date
Priority to CN2010105025929A priority Critical patent/CN101961669B/en
Priority to CN201010502592.9 priority
Application filed by 嘉兴亚特园林机械研究所 filed Critical 嘉兴亚特园林机械研究所
Publication of WO2012041021A1 publication Critical patent/WO2012041021A1/en

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C18/00Disintegrating by knives or other cutting or tearing members which chop material into fragments
    • B02C18/06Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
    • B02C18/14Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within horizontal containers
    • B02C18/143Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within horizontal containers with a disc rotor having generally radially extending slots or openings bordered with cutting knives
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C18/00Disintegrating by knives or other cutting or tearing members which chop material into fragments
    • B02C18/06Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
    • B02C18/16Details
    • B02C18/24Drives
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C18/00Disintegrating by knives or other cutting or tearing members which chop material into fragments

Abstract

An improved structure of a branch grinder comprises a housing (1) which has a feeding inlet (11) installed on one end and a discharge port (12) installed on the other end. One end of the housing (1), which is provided with the feeding inlet (11), is connected with a primary roller (2) through a primary roller shaft (13). The other end of the housing (1), which is provided with the discharge port (12), is connected with a secondary roller (3) through a secondary roller shaft (14). The primary and secondary rollers (2,3) which are driven simultaneously by a driving motor (4) through a transmission mechanism rotate in the same direction. The transmission mechanism is composed of a belt transmission assembly (5) connected with the secondary roller (3) and a two-stage planet transmission assembly (6) connected with the primary roller (2). The branch grinder has compact construction, high transmission efficiency and low noise.

Description

一种树枝粉碎机改进结构  Improved structure of a branch mill
技术领域  Technical field
本发明涉及一种树枝粉碎机。  The invention relates to a tree shredder.
背景技术  Background technique
在对果园、 林业、 绿化带等修剪过程中会产生大量的树枝、 树叶、 藤类等, 需要堆放的面积、 体积特别大, 不能及时处理同样污染环境, 而碎枝机可以及 时将树枝、 树叶等粉碎, 对于产生的碎片可以用于园林床基、 生产燃料棒、 生 产有机肥料等, 该设备的出现将原来难以消纳的大量绿色垃圾变废为宝, 创造 出新的经济价值, 清洁环境卫生, 减轻污染, 创造了良好的社会效益。 但目前 的树枝粉碎机由于结构原因, 现有树枝粉碎机存在着传动效率低、 噪音大、 树 枝粉碎不彻底、 排屑容易堵塞影响刀片使用寿命等诸多缺陷。  In the process of trimming orchards, forestry, green belts, etc., a large number of branches, leaves, vines, etc. will be produced. The area to be stacked and the volume are particularly large, and the same polluted environment cannot be treated in time, and the shredder can timely put the branches and leaves. When smashing, the generated fragments can be used for garden bed bases, fuel rods, organic fertilizers, etc. The emergence of this equipment turns wastes of large amounts of green waste that are difficult to absorb into treasures, creating new economic value, clean environment. Health, pollution reduction, and good social benefits. However, due to structural reasons, the existing branch shredders have many defects such as low transmission efficiency, high noise, incomplete smashing of the branches, and easy clogging of the chips, which affect the service life of the blades.
发明内容  Summary of the invention
本发明所要解决的问题就是提供一种结构紧凑、 安装方便的树枝粉碎机改 进结构, 传动效率高, 工作噪音小。  The problem to be solved by the present invention is to provide a tree shredder improved structure with compact structure and convenient installation, high transmission efficiency and low working noise.
为了解决上述技术问题, 本发明采用如下技术方案: 一种树枝粉碎机改进 结构, 包括壳体, 壳体的一端设有入料口, 壳体的另一端设有出料口, 在壳体 内入料口一侧通过一级滚刀轴转接有一级滚刀和在壳体内出料口一侧通过二级 滚刀轴转接有二级滚刀, 其特征在于: 所述一级滚刀和二级滚刀由驱动电机通 过传动机构同时带动且转向相同, 所述传动机构包括连接二级滚刀的带传动组 件和连接一级滚刀的两级行星传动组件。 一级滚刀的转速较慢, 二级滚刀的转 速快从而达到两把刀分解树枝时同步切屑的效果。  In order to solve the above technical problem, the present invention adopts the following technical solution: A modified structure of a branch shredder, comprising a casing, one end of the casing is provided with an inlet, and the other end of the casing is provided with a discharge port, which is inserted into the casing One side of the material port has a first-stage hob through a first-stage hob shaft and a second-stage hob through a two-stage hob axis on the side of the discharge port in the casing, and is characterized in that: the first-stage hob and The secondary reel is simultaneously driven and turned by the drive motor through a transmission mechanism including a belt drive assembly connecting the secondary reels and a two-stage planetary transmission assembly connecting the primary reels. The first-stage hob rotates at a slower speed, and the second-stage hob rotates faster to achieve the effect of synchronizing the chips when the two knives break the branches.
进一步的, 所述带传动组件包括设在驱动电机输出轴上的主动轮和设在二 级滚刀轴上的从动轮以及连接主动轮和从动轮的传动带, 从动轮的直径大于主 动轮的直径。 Further, the belt drive assembly includes a driving wheel disposed on the output shaft of the driving motor, a driven wheel disposed on the secondary reel shaft, and a transmission belt connecting the driving wheel and the driven wheel. The diameter of the driven wheel is larger than the main The diameter of the moving wheel.
进一步的, 所述传动带为内侧设有齿 I 的同步带, 主动轮的圆周面上设有 与齿 I啮合的齿 II, 从动轮的圆周面上设有与齿 I啮合的齿 III。  Further, the transmission belt is a timing belt having a tooth I on the inner side, and a tooth surface II meshing with the tooth I is disposed on a circumferential surface of the driving wheel, and a tooth III meshing with the tooth I is disposed on a circumferential surface of the driven wheel.
进一步的, 所述两级行星传动组件包括与驱动电机连接的一级行星传动组 件以及与一级行星传动组件和一级滚刀轴连接的二级行星传动组件。  Further, the two-stage planetary transmission assembly includes a primary planetary transmission assembly coupled to the drive motor and a secondary planetary transmission assembly coupled to the primary planetary transmission assembly and the primary roller shaft.
进一步的, 所述一级行星传动组件包括转接在壳体上的内齿轮 I、设在内齿 轮 I中的行星齿轮 I和行星齿轮 I I、 以及设在驱动电机输出轴轴头上的齿轮 I, 行星齿轮 I和行星齿轮 II均分别与齿轮 I和内齿轮 I啮合。  Further, the first-stage planetary transmission assembly includes an internal gear I that is transferred to the housing, a planetary gear I and a planetary gear II that are disposed in the internal gear I, and a gear I that is disposed on the output shaft of the driving motor. The planetary gear I and the planetary gear II mesh with the gear I and the internal gear I, respectively.
进一步的, 所述二级行星传动组件包括转接在壳体上的内齿轮 π、 设在内 齿轮 II中的行星齿轮 II I、 行星齿轮 IV和行星齿轮 V、 以及固定在内齿轮 I上 的齿轮 II, 行星齿轮 III、 行星齿轮 IV和行星齿轮 V均分别与齿轮 II和内齿 轮 II啮合, 内齿轮 II与一级滚刀轴固定连接。  Further, the secondary planetary transmission assembly includes an internal gear π that is transferred to the housing, a planetary gear II that is disposed in the internal gear II, a planetary gear IV and a planetary gear V, and is fixed to the internal gear I. The gear II, the planetary gear III, the planetary gear IV, and the planetary gear V are respectively meshed with the gear II and the internal gear II, and the internal gear II is fixedly coupled to the primary reel shaft.
进一步的, 所述壳体上处于一级滚刀下方位置设有导板一, 所述壳体上处 于二级滚刀下方位置设有导板二, 所述导板一及导板二连接处设有导风缝, 所 述导板二为弧形导板, 导板二上设有静刀片。 设置静刀片使树枝粉碎更加彻底; 导风缝使空气导入, 便于热量散发, 提高工作安全性, 延长刀片使用寿命。  Further, a guide plate is disposed on the casing below the first-stage hob, and a guide plate 2 is disposed on the casing at a position below the second-stage hob, and the guide plate and the guide plate are connected at the second place. The guide plate 2 is an arc-shaped guide plate, and the guide plate 2 is provided with a static blade. Set the static blade to make the branches more smashed; the air guiding seam allows the air to be introduced, which is convenient for heat dissipation, improves work safety and prolongs blade life.
进一步的, 所述一级滚刀与二级滚刀之中至少有一个滚刀的刀刃为斜刀刃。 方便树枝粉碎, 减少切屑阻力。  Further, at least one of the first-stage hob and the second-stage hob has a bevel edge. It facilitates the crushing of branches and reduces the resistance of chips.
进一步的, 所述一级滚刀与二级滚刀之间间距为 l~6cm。 这样一级滚刀与 二级滚刀贴近, 在树枝从导板一进入导板二时部分上扬的树枝会在一级滚刀和 二级滚刀之间先被二次碎枝, 然后进入二级滚刀与导板二之间被三次碎枝。  Further, the distance between the first-stage hob and the second-stage hob is l~6cm. Such a first-stage hob is close to the secondary hob, and the branch which is partially raised when the branch enters the guide plate from the guide plate is firstly shredded between the first-stage hob and the second-stage hob, and then enters the secondary roll. There are three broken branches between the knife and the guide plate 2.
进一步的, 所述一级滚刀及二级滚刀侧壁设有若干径向设置的导屑凹槽。 可使碎屑更加充分的排出。 本发明的树枝粉碎机结构紧凑, 传动效率高, 工作噪音小, 经过一级滚刀 和二级滚刀多重刀片充分粉碎树枝, 树枝粉碎彻底, 排屑充分, 保证刀片不易 破坏, 相对成本低。 Further, the first-stage hob and the second-stage hob side wall are provided with a plurality of radially disposed guide groove. The debris can be discharged more fully. The tree shredder of the invention has compact structure, high transmission efficiency and low working noise. The plurality of blades of the first and second hobs fully smash the branches, the branches are completely crushed, the chip removal is sufficient, the blade is not easily damaged, and the relative cost is low.
附图说明  DRAWINGS
下面结合附图对本发明作进一步说明:  The present invention will be further described below in conjunction with the accompanying drawings:
图 1为本发明实施例的壳体内装配结构示意图;  1 is a schematic view showing an assembly structure in a housing according to an embodiment of the present invention;
图 2为本发明实施例的传动机构的结构示意图;  2 is a schematic structural view of a transmission mechanism according to an embodiment of the present invention;
图 3为带传动组件的结构示意图;  Figure 3 is a schematic structural view of the belt drive assembly;
图 4为一级行星传动组件的结构示意图;  Figure 4 is a schematic structural view of a primary planetary transmission assembly;
图 5为二级行星传动组件的结构示意图。  Figure 5 is a schematic view of the structure of the secondary planetary transmission assembly.
具体实施方式  detailed description
如图 1至 5所示本发明一种实施例的结构示意图, 一种树枝粉碎机改进结 构, 包括壳体 1, 壳体的一端设有入料口 11, 壳体的另一端设有出料口 12, 在 壳体内入料口一侧通过一级滚刀轴 13转接有一级滚刀 2和在壳体内出料口一侧 通过二级滚刀轴 14转接有二级滚刀 3, 所述一级滚刀和二级滚刀由驱动电机 4 通过传动机构同时带动且转向相同, 所述传动机构包括连接二级滚刀的带传动 组件 5和连接一级滚刀的两级行星传动组件 6。所述带传动组件包括设在驱动电 机输出轴 41上的主动轮 51和设在二级滚刀轴上的从动轮 52以及连接主动轮和 从动轮的传动带 53, 从动轮的直径大于主动轮的直径。 所述两级行星传动组件 包括与驱动电机连接的一级行星传动组件 61以及与一级行星传动组件和一级滚 刀轴连接的二级行星传动组件 62。 所述一级行星传动组件包括转接在壳体上的 内齿轮 1611、 设在内齿轮 I中的行星齿轮 1612和行星齿轮 11613、 以及设在驱 动电机输出轴轴头上的齿轮 1614,行星齿轮 I和行星齿轮 II均分别与齿轮 I和 内齿轮 I啮合。所述二级行星传动组件包括转接在壳体上的内齿轮 11621、设在 内齿轮 Π中的行星齿轮 111622、 行星齿轮 IV623和行星齿轮 V624、 以及固定 在内齿轮 I上的齿轮 11625, 行星齿轮 III、 行星齿轮 IV和行星齿轮 V均分别 与齿轮 II和内齿轮 II啮合, 内齿轮 II与一级滚刀轴固定连接。 FIG. 1 to FIG. 5 are schematic diagrams showing the structure of an embodiment of the present invention, and an improved structure of a branch mill comprising a casing 1 having a feed port 11 at one end and a discharge end at the other end of the casing. The port 12 has a first-stage hob 2 through a primary reel shaft 13 and a secondary reel 3 through a secondary reel shaft 14 on the side of the discharge opening in the housing. The first-stage hob and the second-stage hob are simultaneously driven and turned by the drive motor 4 through a transmission mechanism, and the transmission mechanism includes a belt transmission assembly 5 connected to the secondary hob and a two-stage planetary transmission connected to the primary reel. Component 6. The belt drive assembly includes a driving wheel 51 disposed on the output shaft 41 of the driving motor, a driven wheel 52 disposed on the secondary reel shaft, and a transmission belt 53 connecting the driving wheel and the driven wheel. The diameter of the driven wheel is larger than that of the driving wheel. diameter. The two-stage planetary transmission assembly includes a primary planetary transmission assembly 61 coupled to the drive motor and a secondary planetary transmission assembly 62 coupled to the primary planetary transmission assembly and the primary roller shaft. The primary planetary transmission assembly includes an internal gear 1611, a planetary gear 1612 and a planetary gear 11613 disposed in the internal gear I, and a gear 1614 disposed on the output shaft of the driving motor, the planetary gear I and planetary gear II are respectively associated with gear I and The internal gear I meshes. The secondary planetary transmission assembly includes an internal gear 11621 that is coupled to the housing, a planetary gear 111622 disposed in the internal gear, a planetary gear IV623 and a planetary gear V624, and a gear 11225 fixed to the internal gear I, the planet The gear III, the planetary gear IV and the planetary gear V are respectively meshed with the gear II and the internal gear II, and the internal gear II is fixedly coupled to the primary reel shaft.
所述壳体上处于一级滚刀下方位置设有导板一 15, 所述壳体上处于二级滚 刀下方位置设有导板二 16, 所述导板一及导板二连接处设有导风缝 17, 所述导 板二为弧形导板, 导板二上设有静刀片 161。所述一级滚刀与二级滚刀之中至少 有一个滚刀的刀刃为斜刀刃。 一级滚刀与二级滚刀之间间距为 l〜6cm。 一级滚 刀及二级滚刀侧壁设有若干径向设置的导屑凹槽 18。  A guide plate 15 is disposed on the casing at a position below the first-stage hob, and a guide plate 26 is disposed on the casing at a position below the second-stage hob, and a guide seam is arranged at the joint between the guide plate and the guide plate. 17, the guide plate 2 is an arc-shaped guide plate, and the guide plate 2 is provided with a static blade 161. The blade of at least one of the primary and secondary reels is a beveled blade. The distance between the primary reel and the secondary reel is l~6cm. The primary and secondary reel sidewalls are provided with a plurality of radially disposed flute grooves 18.
上述实施例中, 所述传动带为内侧设有齿 I 的同步带, 主动轮的圆周面上 设有与齿 I啮合的齿 II, 从动轮的圆周面上设有与齿 I啮合的齿 III。 齿 I、 齿 II和齿 III优选制作成圆弧齿, 另外制作成梯形齿也可以。  In the above embodiment, the transmission belt is a timing belt having a tooth I on the inner side, and a tooth surface II meshing with the tooth I is disposed on the circumferential surface of the driving wheel, and a tooth III meshing with the tooth I is provided on the circumferential surface of the driven wheel. The teeth I, the teeth II, and the teeth III are preferably formed into circular arc teeth, and may be formed as trapezoidal teeth.
由于要求一级滚刀的转速较慢, 二级滚刀的转速较快, 因此在一个驱动电 机的同步驱动下选用带传动和两级行星传动来传递扭矩, 实现同一个输入速率 和扭矩到两个不同速率和扭矩的改变, 传动效率高, 同时满足一级滚刀和二级 滚刀的工作需求, 也在一定基础上提高了工作效率。  Due to the slower speed of the first-stage hob, the speed of the secondary hob is faster. Therefore, the belt drive and the two-stage planetary transmission are used to transmit torque under the synchronous drive of one drive motor, achieving the same input rate and torque to two. Different speed and torque changes, high transmission efficiency, and meet the working requirements of the first-stage hob and the second-stage hob, and improve the work efficiency on a certain basis.
除上述优选实施例外, 本发明还有其他的实施方式, 本领域技术人员可以 根据本发明作出各种改变和变形, 只要不脱离本发明的精神, 均应属于本发明 所附权利要求所定义的范围。  Other than the above-described preferred embodiments, there are other embodiments of the present invention, and those skilled in the art can make various changes and modifications in accordance with the present invention, as long as they do not depart from the spirit of the present invention. range.

Claims

WO 2012/041021 权 禾1 J 要 求 书 PCT/CN2011/070220 、 一种树枝粉碎机改进结构, 包括壳体 (1 ), 壳体的一端设有入料口 (11 ), 壳体的另一端设有出料口 (12 ), 在壳体内入料口一侧通过一级滚刀轴 (13 ) 转接有一级滚刀 (2 ) 和在壳体内出料口一侧通过二级滚刀轴 (14) 转接有 二级滚刀 (3 ), 其特征在于: 所述一级滚刀和二级滚刀由驱动电机 (4) 通 过传动机构同时带动且转向相同, 所述传动机构包括连接二级滚刀的带传动 组件 (5) 和连接一级滚刀的两级行星传动组件 (6)。 WO 2012/041021 权禾1 J Request PCT/CN2011/070220, an improved structure of a branch shredder, comprising a casing (1), one end of the casing is provided with a feed port (11), and the other end of the casing is provided The discharge port (12) has a first-stage hob (2) through a primary reel shaft (13) on the side of the inlet of the casing, and a secondary reel shaft on the side of the discharge opening in the casing ( 14) The transfer has a secondary hob (3), characterized in that: the primary hob and the secondary hob are simultaneously driven and turned by the drive motor (4) through the transmission mechanism, and the transmission mechanism comprises a connection The belt drive assembly (5) of the class reel and the two-stage planetary drive assembly (6) connected to the primary reel.
、 根据权利要求 1所述的一种树枝粉碎机改进结构, 其特征在于: 所述带传动 组件包括设在驱动电机输出轴 (41 ) 上的主动轮 (51 ) 和设在二级滚刀轴上 的从动轮 (52 ) 以及连接主动轮和从动轮的传动带 (53 ), 从动轮的直径大 于主动轮的直径。 The improved structure of a tree shredder according to claim 1, wherein: the belt drive assembly comprises a driving wheel (51) provided on a driving motor output shaft (41) and a secondary roller shaft The upper driven wheel (52) and the transmission belt (53) connecting the driving wheel and the driven wheel have a diameter larger than the diameter of the driving wheel.
、 根据权利要求 2所述的一种树枝粉碎机改进结构, 其特征在于: 所述传动带 为内侧设有齿 I的同步带, 主动轮的圆周面上设有与齿 I啮合的齿 II, 从动 轮的圆周面上设有与齿 I啮合的齿 III。 The improved structure of the tree shredder according to claim 2, wherein: the belt is a timing belt having a tooth I on the inner side, and the tooth surface of the driving wheel is provided with a tooth II engaged with the tooth I, A tooth III meshing with the tooth I is provided on the circumferential surface of the moving wheel.
、 根据权利要求 1所述的一种树枝粉碎机改进结构, 其特征在于: 所述两级行 星传动组件包括与驱动电机连接的一级行星传动组件 (61 ) 以及与一级行星 传动组件和一级滚刀轴连接的二级行星传动组件 (62 )。 The improved structure of a tree shredder according to claim 1, wherein: the two-stage planetary transmission assembly comprises a primary planetary transmission assembly (61) coupled to the drive motor, and a primary planetary transmission assembly and a A secondary planetary drive assembly (62) connected to the stage hob shaft.
、 根据权利要求 4所述的一种树枝粉碎机改进结构, 其特征在于: 所述一级行 星传动组件包括转接在壳体上的内齿轮 I (611 )、 设在内齿轮 I中的行星齿 轮 I (612 )和行星齿轮 II (613 )、 以及设在驱动电机输出轴轴头上的齿轮 IThe improved structure of a tree shredder according to claim 4, wherein: said first-stage planetary transmission assembly includes an internal gear I (611) that is transferred to the housing, and a planet that is disposed in the internal gear I Gear I (612) and planetary gear II (613), and gear I disposed on the output shaft of the drive motor
(614), 行星齿轮 I和行星齿轮 II均分别与齿轮 I和内齿轮 I啮合。 (614), the planetary gear I and the planetary gear II mesh with the gear I and the internal gear I, respectively.
、 根据权利要求 4所述的一种树枝粉碎机改进结构, 其特征在于: 所述二级行 星传动组件包括转接在壳体上的内齿轮 Π (621 )、 设在内齿轮 II中的行星 齿轮 III (622 )、 行星齿轮 IV (623 )和行星齿轮 V (624)、 以及固定在内齿 WO 2012/041021 权 利 要 求 书 PCT/CN2011/070220 轮 I上的齿轮 II (625), 行星齿轮 III、 行星齿轮 IV和行星齿轮 V均分别 与齿轮 II和内齿轮 II啮合, 内齿轮 II与一级滚刀轴固定连接。 The improved structure of a tree shredder according to claim 4, wherein: said two-stage planetary transmission assembly comprises an internal gear Π (621) that is transferred to the housing, and a planet that is disposed in the internal gear II. Gear III (622), planetary gear IV (623) and planetary gear V (624), and fixed internal teeth WO 2012/041021 Claim PCT/CN2011/070220 Gear II (625) on wheel I, with planetary gear III, planetary gear IV and planetary gear V meshing with gear II and internal gear II, respectively, internal gear II and primary gear The hob shaft is fixedly connected.
、 根据权利要求 1所述的一种树枝粉碎机改进结构, 其特征在于: 所述壳体上 处于一级滚刀下方位置设有导板一 (15 ), 所述壳体上处于二级滚刀下方位 置设有导板二 (16), 所述导板一及导板二连接处设有导风缝 (17), 所述导 板二为弧形导板, 导板二上设有静刀片 (161 )。 The improved structure of the tree shredder according to claim 1, wherein: the casing is provided with a guide plate (15) at a position below the first-stage hob, and the casing is in a secondary hob. A guide plate 2 (16) is disposed at a lower position, and a guide seam (17) is disposed at a joint between the guide plate and the guide plate 2. The guide plate 2 is an arc-shaped guide plate, and the guide plate 2 is provided with a static blade (161).
、 根据权利要求 1所述的一种树枝粉碎机改进结构, 其特征在于: 所述一级滚 刀与二级滚刀之中至少有一个滚刀的刀刃为斜刀刃。 The improved structure of a tree shredder according to claim 1, wherein: at least one of the primary knives and the secondary knives has a knive edge.
、 根据权利要求 1所述的一种树枝粉碎机改进结构, 其特征在于: 所述一级滚 刀与二级滚刀之间间距为 l〜6cm。The improved structure of a tree shredder according to claim 1, wherein: the distance between the primary knives and the secondary knives is 1 to 6 cm.
0、 根据权利要求 1 所述的一种树枝粉碎机改进结构, 其特征在于: 所述一级 滚刀及二级滚刀侧壁设有若干径向设置的导屑凹槽 (18)。 The improved structure of a tree shredder according to claim 1, characterized in that: the primary hob and the secondary hob side wall are provided with a plurality of radially disposed flute grooves (18).
PCT/CN2011/070220 2010-09-30 2011-01-13 Improved structure of branch grinder WO2012041021A1 (en)

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