WO2022120895A1 - 一种细碎颚式破碎机 - Google Patents

一种细碎颚式破碎机 Download PDF

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Publication number
WO2022120895A1
WO2022120895A1 PCT/CN2020/136474 CN2020136474W WO2022120895A1 WO 2022120895 A1 WO2022120895 A1 WO 2022120895A1 CN 2020136474 W CN2020136474 W CN 2020136474W WO 2022120895 A1 WO2022120895 A1 WO 2022120895A1
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Prior art keywords
movable jaw
jaw
plate
crusher
crushing
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PCT/CN2020/136474
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English (en)
French (fr)
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朱兴良
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毛雪梅
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Publication of WO2022120895A1 publication Critical patent/WO2022120895A1/zh

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C1/00—Crushing or disintegrating by reciprocating members
    • B02C1/02—Jaw crushers or pulverisers
    • B02C1/04—Jaw crushers or pulverisers with single-acting jaws
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C1/00—Crushing or disintegrating by reciprocating members
    • B02C1/02—Jaw crushers or pulverisers
    • B02C1/10—Shape or construction of jaws

Definitions

  • the invention belongs to the field of jaw crushers, in particular to a fine crushing jaw crusher.
  • Jaw crusher commonly known as jaw crusher, is composed of two jaw plates, the movable jaw and the fixed jaw, to form a crushing cavity, which simulates the movement of the two jaws of animals to complete the material crushing operation.
  • This kind of crusher is widely used in medium-sized crushing of various ores and bulk materials in mining, smelting, building materials, highway, railway, water conservancy and chemical industries.
  • the jaw crusher of the prior art (referring to the compound pendulum jaw crusher, the same below) has two disadvantages that restrict the crushing ratio and crushing benefit of the crusher:
  • the crushing cavity has no force-enhancing effect, which is not conducive to crushing
  • the material fineness contradicts the crushing output.
  • the discharge port needs to be reduced, and the output is low; when the output needs to be increased, the discharge port needs to be enlarged, and the discharge particle size is large.
  • the lower part of the jaw crusher (the lower part of the movable jaw) has no crushing force and only plays the role of discharging materials.
  • the lower part of the movable jaw of the prior art jaw crusher only plays the role of discharging material, and the crushing effect is extremely small, which is determined by the mechanical characteristics of its structure.
  • the Chinese patent with publication number CN202238135U includes a frame, a transmission device, a double crank rocker mechanism and a crushing pair.
  • the crushing pair includes a fixed jaw plate arranged on the frame and a movable jaw plate arranged on the front movable jaw.
  • the fixed jaw plate Both the plate and the movable jaw have a wave-shaped transverse section.
  • the convex peaks and valleys at the lower part of the fixed jaw and the movable jaw are staggered deeply and face each other to form a crushing cavity with a wave-shaped transverse section.
  • the double eccentric shaft is arranged in this way.
  • the crusher has a complex structure, high requirements on raw materials, and low crushing efficiency.
  • the present invention provides a fine crushing jaw crusher, which is set with a single eccentric shaft, And change the structure of the movable jaw plate to increase the tolerance of raw materials and improve the efficiency of the crusher.
  • a fine crushing jaw crusher comprising a frame, a crank-rocker mechanism, an adjustment seat, a fixed jaw plate and a movable jaw plate
  • the crank-rocker mechanism includes an eccentric shaft and movable jaw
  • the eccentric shaft is pivotally connected to the frame
  • the movable jaw plate includes a movable jaw and a movable jaw plate, one end of the movable jaw is pivotally connected to the eccentric shaft
  • the movable jaw plate is arranged on the movable jaw
  • the fixed The jaw plate is fixedly arranged on the frame
  • the frame is also provided with an adjustment seat
  • the front end of the adjustment seat is provided with a toggle plate
  • one end of the toggle plate is connected to the adjustment seat and the other end is connected to the movable jaw
  • the movable jaw plate is connected to the movable jaw.
  • One end of the end away from the eccentric shaft is provided with a vertical plane parallel to the fixed jaw plate, the surfaces of the movable jaw plate and the fixed jaw plate are provided with arc teeth arranged vertically, the fixed jaw plate and the movable jaw plate
  • the convex peaks and concave valleys of the circular arc teeth of the jaw plate are staggered deeply and confront each other to form a crushing cavity with a wave-shaped structure in transverse section.
  • the jaw plate with vertical teeth has a small contact surface with the material, and the crushing pressure is strong.
  • the vertical teeth are used to realize various crushing work methods such as "splitting, crushing, and crushing" (when the convex peak squeezes the material, the material will move along the tip.
  • splitting the material is broken due to the bending stress, it is called crushing, and the material is squeezed due to the compressive stress on the face, which is called crushing), so as to improve the crushing efficiency.
  • the setting of the single eccentric shaft can improve the efficiency of the crusher, change the shape of the tail end of the movable jaw plate to increase the crushing effect of the crusher, and increase the parallel length of the crushing chamber of the crusher to make the material discharged by the crusher finer.
  • the lower part of the movable jaw plate and the fixed jaw plate face each other to form a crushing cavity with a parallel structure in vertical section.
  • the eccentric shaft is provided with a shaft sleeve
  • the movable jaw is provided with a movable jaw shaft sleeve
  • the movable jaw shaft sleeve is pivotally connected to the shaft sleeve of the eccentric shaft.
  • a clamping groove is provided at the lower part of the end of the movable jaw away from the eccentric shaft, and the adjusting seat is also provided with a clamping groove.
  • the clamping grooves are all provided with short toggle plate pads, and the toggle plate is clamped to the clamping groove.
  • the short toggle plate pad in the groove is connected between the adjustment seat and the movable jaw.
  • an elongated slot is set on the movable jaw, and the movable jaw plate is fixedly arranged in the elongated slot of the movable jaw.
  • the connecting parts of the movable jaw, the movable jaw and the fixed jaw with the frame are all provided with guard plates.
  • the guard plate can protect the frame and the safety of the user when the crusher is crushed.
  • the present invention has the following beneficial effects: the contact surface between the jaw plate with vertical teeth and the material is small, the crushing pressure is strong, and the vertical teeth are used to realize various crushing work such as "splitting, crushing, and crushing".
  • Method when the convex peak squeezes the material, the material will be split along the tip pressure, which is called splitting, the material will be broken by the bending stress, and it will be broken, and the material will be squeezed by the compressive stress on the face. called crushing
  • the setting of the single eccentric shaft makes the structure of the crusher simple and can improve the efficiency of the crusher in use. Changing the shape of the tail end of the movable jaw plate increases the crushing effect of the crusher. The longer the parallel length of the crushing cavity of the crusher, the more material discharged by the crusher. thin.
  • Fig. 1 is the structural representation of crusher
  • Fig. 2 is the structural representation of the movable jaw plate of circular arc tooth
  • Fig. 3 is the structural representation of the movable jaw plate of the plane
  • a fine crushing jaw crusher includes a frame 1, a crank rocker mechanism 2, an adjustment seat 3, a fixed jaw plate 4 and a movable jaw plate 5, and the crank rocker mechanism 2 includes The eccentric shaft 6 and the movable jaw 7, the eccentric shaft 6 is pivotally connected to the frame 1, the movable jaw 5 includes the movable jaw 7 and the movable jaw 5, one end of the movable jaw 7 is pivotally connected to the eccentric shaft 6, and the movable jaw
  • the plate 5 is arranged on the movable jaw 7, the fixed jaw plate 4 is fixedly arranged on the frame 1, the frame 1 is also provided with an adjustment seat 3, the front end of the adjustment seat 3 is provided with a toggle plate 8, and the toggle plate 8 One end is connected to the adjusting seat 3 and the other end is connected to the movable jaw 7, the end of the movable jaw 5 away from the eccentric shaft 6 is provided with a vertical plane parallel to the fixed jaw 4, the movable jaw
  • the surfaces of the plate 5 and the fixed jaw plate 4 are provided with circular arc teeth 9
  • the convex peaks 10 and the concave valleys 11 of the circular arc teeth 9 of the fixed jaw plate 4 and the movable jaw plate 5 are staggered deeply and face each other to form a horizontal direction.
  • a crushing cavity with a wave-shaped structure in section; the eccentric shaft 6 is provided with a shaft sleeve 12, the movable jaw 7 is provided with a movable jaw shaft sleeve 13, and the movable jaw shaft sleeve 13 is pivotally connected to the shaft sleeve 12 of the eccentric shaft 6
  • the lower part of the end of the movable jaw 7 away from the eccentric shaft 6 is provided with a clamping slot 14, and the adjusting seat 3 is also provided with a clamping slot 14, and a short toggle plate pad 15 is arranged in the clamping slot 14.
  • the toggle plate 8 is clamped into the short toggle plate pad 15 in the clamping slot 14, and is connected between the adjustment seat 3 and the movable jaw 7; the movable jaw 7 is provided with a long slot 16, and the movable jaw 5 It is fixedly arranged in the elongated groove 16 of the movable jaw 7 ; the connecting parts of the movable jaw 7 , the movable jaw plate 5 and the fixed jaw plate 4 and the frame are all provided with a guard plate 17 .
  • a fine crushing jaw crusher includes a frame 1, a crank rocker mechanism 2, an adjustment seat 3, a fixed jaw plate 4 and a movable jaw plate 5.
  • the crank rocker mechanism 2 It includes an eccentric shaft 6 and a movable jaw 7.
  • the eccentric shaft 6 is pivotally connected to the frame 1.
  • the movable jaw plate 5 includes a movable jaw 7 and a movable jaw plate 5.
  • One end of the movable jaw 7 is pivotally connected to the eccentric shaft 6 and is movable.
  • the jaw plate 5 is arranged on the movable jaw 7, the fixed jaw plate 4 is fixedly arranged on the frame 1, the frame 1 is also provided with an adjustment seat 3, the front end of the adjustment seat 3 is provided with a toggle plate 8, the toggle plate One end of 8 is connected to the adjusting seat 3 and the other end is connected to the movable jaw 7.
  • the tail of the end of the movable jaw 5 away from the eccentric shaft 6 is provided with a vertical plane parallel to the fixed jaw 4.
  • the lower part of the jaw plate 5 and the fixed jaw plate 4 are opposed to each other to form a crushing cavity with a parallel structure in vertical section.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Food Science & Technology (AREA)
  • Crushing And Grinding (AREA)

Abstract

针对现有技术中双偏心轴设置破碎机的结构复杂，对原料的要求比较高，且破碎效率较低的弊端，提供一种细碎颚式破碎机，包括机架（1）、曲柄摇杆机构（2）、调整座（3）、固定颚板（4）和活动颚板（5），所述曲柄摇杆机构（2）包括偏心轴（6）和动颚（7），动颚（7）的一端枢接在偏心轴（6）上，活动颚板（5）设置在动颚（7）上，所述固定颚板（4）固定设置在机架（1）上，所述活动颚板（5）和固定颚板（4）的面上均设置有沿竖向布置的圆弧齿（9），固定颚板（4）和活动颚板（5）圆弧齿（9）的凸峰（10）与凹谷（11）交错深入且对峙形成横向截面呈波浪形结构的破碎腔，单偏心轴（6）的设置使破碎机的结构简单且可以提高破碎机使用时的功效，改变活动颚板（5）尾端的形状增加破碎机的破碎效果，破碎机的破碎腔平行长度越长使破碎机排放的料越细。

Description

一种细碎颚式破碎机 技术领域
本发明属于颚式破碎机领域，具体涉及一种细碎颚式破碎机。
背景技术
颚式破碎机，俗称颚破，它由动颚和定颚两块颚板组成破碎腔，模拟动物的两颚运动来完成物料破碎作业。这种破碎机广泛运用于矿山、冶炼、建材、公路、铁路、水利和化工等行业中各种矿石与大块物料的中等粒度破碎。
现有技术的颚式破碎机(指复摆颚式破碎机，下同)有两个方面的弊端制约破碎机的破碎比和破碎效益：
一.腔型设计制约着高破碎比的实现：
(1)、由于破碎腔为竖“V”型，上大下小，每一个工作循环排放出的大多是大小不均匀的倒三角形容腔的物料；
(2)、破碎腔没有增力效应，不利于破碎；
(3)、物料细度与破碎产量相矛盾，要求物料粒度细时需缩小排放口，产量就低；需要增加产量时需放大排放口，出料粒度就大。
二.颚破下部(动颚的下部)没有破碎力，仅起到排放物料的作用。
现有技术颚破的动颚下部只起排放物料作用，破碎作用极微，这是由其结构的力学特征所决定的。
从力学角度看有一个共同的典型结构，即都运用了一套曲柄摇杆机构(其偏心驱动轴是曲柄，动颚是连杆，肘板是摇杆)，动颚一侧与机器一侧组成一个“V”型破碎腔，动颚上部直接靠偏心驱动轴获得水平方向的破碎冲程，动颚下部靠动颚作圆周运动带动肘板摇摆获得水平方向的破碎冲程及排放物料行程。这种结构优点是简单，容易制造，由此成为应用最为广泛的一种破碎机。但是在这种机构下，由动颚往上拉力带动肘板摇摆产生水平方向的破碎冲程，对“破碎力与排放能力”来说是相互矛盾，即要求破碎能力大时，排放物料能力接近于零；要求排放能力大时，破碎力剧减。
如公开号为CN202238135U的中国专利包括机架、传动装置、双曲柄摇杆机构和破碎副，破碎副包括设置在机架上的固定颚板和设置在前动颚上的活动颚 板，固定颚板和活动颚板均为横向截面呈波浪形的结构，固定颚板和活动颚板下部的凸峰与凹谷交错深入且对峙形成横向截面也呈波浪形结构的破碎腔。该专利为双偏心轴设置这样设置的破碎机结构复杂，对原料的要求比较高，且破碎效率较低。
发明内容
本发明针对现有技术中双偏心轴设置破碎机的结构复杂，对原料的要求比较高，且破碎效率较低的弊端，提供一种细碎颚式破碎机，该破碎机采用单偏心轴设置，且改变活动颚板的结构，使其对原材料包容性增大，提高破碎机的功效。
本发明的发明目的是通过以下技术方案实现的：一种细碎颚式破碎机，包括机架、曲柄摇杆机构、调整座、固定颚板和活动颚板，所述曲柄摇杆机构包括偏心轴和动颚，偏心轴枢接在机架上，所述活动颚板包括动颚和活动颚板，动颚的一端枢接在偏心轴上，活动颚板的设置在动颚上，所述固定颚板固定设置在机架上，所述机架上还设置有调整座，调整座前端设置有肘板，肘板的一端连接至调整座另一端连接至动颚上，所述活动颚板的远离偏心轴的一端尾部设置有一段垂直且与固定颚板相平行的一个平面，所述活动颚板和固定颚板的面上均设置有沿竖向布置的圆弧齿，固定颚板和活动颚板圆弧齿的凸峰与凹谷交错深入且对峙形成横向截面呈波浪形结构的破碎腔。带竖齿的颚板与物料接触面小，破碎压强大，利用竖齿来实现“劈碎、折碎、挤碎”等多种破碎做功方式(凸峰对物料挤压时，物料将沿尖部压力作用而被劈裂称为劈碎，物料受弯曲应力作用而被折裂称为折碎，物料因面部压应力作用而被挤裂称为挤碎)，以提高破碎效率。单偏心轴的设置可以提高破碎机的功效，改变活动颚板尾端的形状增加破碎机的破碎效果且破碎机的破碎舱平行长度增加使破碎机排放的料越细。
作为优选，所述活动颚板和固定颚板下部深入部分对峙形成竖向截面呈平行结构的破碎腔。
作为优选，所述偏心轴上设置有轴套，所述动颚上设置有动颚轴套，动颚轴套枢接在偏心轴的轴套上。
作为优选，所述动颚远离偏心轴的一端下部设有一个卡槽，且调整座上也有设有卡槽，所述卡槽内均设有短肘板垫，所述肘板卡至在卡槽内的短肘板垫内，连接于调整座与动颚之间。
作为优选，所述动颚上开设一个长条形槽，所述活动颚板固定设置在动颚的长条形槽内。
作为优选，所述动颚、活动颚板和固定颚板与机架相连接部分均设有护板。护板可以保护机架且破碎机在破碎时使用人的安全。
与现有技术相比，本发明具有以下有益效果：带竖齿的颚板与物料接触面小，破碎压强大，利用竖齿来实现“劈碎、折碎、挤碎”等多种破碎做功方式(凸峰对物料挤压时，物料将沿尖部压力作用而被劈裂称为劈碎，物料受弯曲应力作用而被折裂称为折碎，物料因面部压应力作用而被挤裂称为挤碎)，以提高破碎效率。单偏心轴的设置使破碎机的结构简单且可以提高破碎机使用时的功效，改变活动颚板尾端的形状增加破碎机的破碎效果，破碎机的破碎腔平行长度越长使破碎机排放的料越细。
附图说明
图1为破碎机的结构示意图；
图2为圆弧齿的活动颚板的结构示意图；
图3为平面的活动颚板的结构示意图；
图中标记：1、机架；2、曲柄摇杆机构；3、调整座；4、固定颚板；5、活动颚板；6、偏心轴；7、动颚；8、肘板；9、圆弧齿；10、凸峰；11、凹谷；12、轴套；13、动颚轴套；14、卡槽；15、短肘板垫；16、长条形槽；17、护板。
具体实施方式
下面结合附图所表示的实施例对本发明作进一步描述：
实施例1
如图1、图2所示，一种细碎颚式破碎机，包括机架1、曲柄摇杆机构2、调整座3、固定颚板4和活动颚板5，所述曲柄摇杆机构2包括偏心轴6和动颚7，偏心轴6枢接在机架1上，所述活动颚板5包括动颚7和活动颚板5，动颚7的一端枢接在偏心轴6上，活动颚板5的设置在动颚7上，所述固定颚板4固定设置在机架1上，所述机架1上还设置有调整座3，调整座3前端设置有肘板8，肘板8的一端连接至调整座3另一端连接至动颚7上，所述活动颚板5的远离偏心轴6的一端尾部设置有一段垂直且与固定颚板4相平行的一个平面，所述活动颚板5和固定颚板4的面上均设置有沿竖向布置的圆弧齿9，固定颚板4和活动 颚板5圆弧齿9的凸峰10与凹谷11交错深入且对峙形成横向截面呈波浪形结构的破碎腔；所述偏心轴6上设置有轴套12，所述动颚7上设置有动颚轴套13，动颚轴套13枢接在偏心轴6的轴套12上；所述动颚7远离偏心轴6的一端下部设有一个卡槽14，且调整座3上也有设有卡槽14，所述卡槽14内均设有短肘板垫15，所述肘板8卡至在卡槽14内的短肘板垫15内，连接于调整座3与动颚7之间；所述动颚7上开设一个长条形槽16，所述活动颚板5固定设置在动颚7的长条形槽16内；所述动颚7、活动颚板5和固定颚板4与机架相连接部分均设有护板17。
实施例2
如图1、图3所示，一一种细碎颚式破碎机，包括机架1、曲柄摇杆机构2、调整座3、固定颚板4和活动颚板5，所述曲柄摇杆机构2包括偏心轴6和动颚7，偏心轴6枢接在机架1上，所述活动颚板5包括动颚7和活动颚板5，动颚7的一端枢接在偏心轴6上，活动颚板5的设置在动颚7上，所述固定颚板4固定设置在机架1上，所述机架1上还设置有调整座3，调整座3前端设置有肘板8，肘板8的一端连接至调整座3另一端连接至动颚7上，所述活动颚板5的远离偏心轴6的一端尾部设置有一段垂直且与固定颚板4相平行的一个平面，所述活动颚板5和固定颚板4下部深入部分对峙形成竖向截面呈平行结构的破碎腔。
文中所描述的具体实施例仅仅是对本发明精神作举例说明。本发明所属技术领域的技术人员可以对所描述的具体实施例做各种各样的修改或补充或采用类似的方式替代，但并不会偏离本发明的精神或者超越所附权利要求书所定义的范围。

Claims (6)

  1. 一种细碎颚式破碎机，包括机架(1)、曲柄摇杆机构(2)、调整座(3)、固定颚板(4)和活动颚板(5)，其特征在于，所述曲柄摇杆机构包括偏心轴(6)和动颚(7)，偏心轴枢接在机架上，所述活动颚板包括动颚和活动颚板，动颚的一端枢接在偏心轴上，活动颚板的设置在动颚上，所述固定颚板固定设置在机架上，所述机架上还设置有调整座，调整座前端设置有肘板(8)，肘板的一端连接至调整座另一端连接至动颚上，所述活动颚板的远离偏心轴的一端尾部设置有一段垂直且与固定颚板相平行的一个平面，所述活动颚板和固定颚板的面上均设置有沿竖向布置的圆弧齿(9)，固定颚板和活动颚板圆弧齿的凸峰(10)与凹谷(11)交错深入且对峙形成横向截面呈波浪形结构的破碎腔。
  2. 根据权利要求1所述的一种细碎颚式破碎机，其特征在于，所述活动颚板和固定颚板下部深入部分对峙形成竖向截面呈平行结构的破碎腔。
  3. 根据权利要求1所述的一种细碎颚式破碎机，其特征在于，所述偏心轴上设置有轴套(12)，所述动颚上设置有动颚轴套(13)，动颚轴套枢接在偏心轴的轴套上。
  4. 根据权利要求3所述的一种细碎颚式破碎机，其特征在于，所述动颚远离偏心轴的一端下部设有一个卡槽(14)，且调整座上也有设有卡槽，所述卡槽内均设有短肘板垫(15)，所述肘板卡至在卡槽内的短肘板垫内，连接于调整座与动颚之间。
  5. 根据权利要求4所述的一种细碎颚式破碎机，其特征在于，所述动颚上开设一个长条形槽(16)，所述活动颚板固定设置在动颚的长条形槽内。
  6. 根据权利要求1所述的一种细碎颚式破碎机，其特征在于，所述动颚、活动颚板和固定颚板与机架相连接部分均设有护板(17)。
PCT/CN2020/136474 2020-12-10 2020-12-15 一种细碎颚式破碎机 WO2022120895A1 (zh)

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* Cited by examiner, † Cited by third party
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CN2053108U (zh) * 1989-01-31 1990-02-21 陈印庭 冲振式曲粮粉碎机
JP2004195419A (ja) * 2002-12-20 2004-07-15 Komatsu Ltd ジョークラッシャの歯板
US7614573B1 (en) * 2008-06-20 2009-11-10 Chyi Meang Machinery Co., Ltd. Jaw crusher
CN201894942U (zh) * 2010-07-13 2011-07-13 遵义市立新机械有限责任公司 高效复摆颚式破碎机
CN102198410A (zh) * 2011-03-28 2011-09-28 浙江黑白矿山机械有限公司 一种置有自修齿形破碎副的颚式破碎机
CN202238135U (zh) * 2011-10-17 2012-05-30 义乌市黑白矿山机械有限公司 一种增力细碎颚式破碎机

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2053108U (zh) * 1989-01-31 1990-02-21 陈印庭 冲振式曲粮粉碎机
JP2004195419A (ja) * 2002-12-20 2004-07-15 Komatsu Ltd ジョークラッシャの歯板
US7614573B1 (en) * 2008-06-20 2009-11-10 Chyi Meang Machinery Co., Ltd. Jaw crusher
CN201894942U (zh) * 2010-07-13 2011-07-13 遵义市立新机械有限责任公司 高效复摆颚式破碎机
CN102198410A (zh) * 2011-03-28 2011-09-28 浙江黑白矿山机械有限公司 一种置有自修齿形破碎副的颚式破碎机
CN202238135U (zh) * 2011-10-17 2012-05-30 义乌市黑白矿山机械有限公司 一种增力细碎颚式破碎机

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