WO2012130127A1 - 一种自修齿形的多功能破碎副 - Google Patents

一种自修齿形的多功能破碎副 Download PDF

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Publication number
WO2012130127A1
WO2012130127A1 PCT/CN2012/073071 CN2012073071W WO2012130127A1 WO 2012130127 A1 WO2012130127 A1 WO 2012130127A1 CN 2012073071 W CN2012073071 W CN 2012073071W WO 2012130127 A1 WO2012130127 A1 WO 2012130127A1
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WO
WIPO (PCT)
Prior art keywords
crushing
tooth
valley
self
jaw
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PCT/CN2012/073071
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English (en)
French (fr)
Inventor
朱兴良
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浙江黑白矿山机械有限公司
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Application filed by 浙江黑白矿山机械有限公司 filed Critical 浙江黑白矿山机械有限公司
Priority to AU2012237828A priority Critical patent/AU2012237828B2/en
Priority to US14/006,085 priority patent/US9375717B2/en
Publication of WO2012130127A1 publication Critical patent/WO2012130127A1/zh

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Classifications

    • 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
    • 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

Definitions

  • the present invention relates to the field of jaw crushers, and more particularly to a self-repairing multi-functional crushing pair. Background technique
  • the jaw crusher commonly known as smashing, is a crusher that consists of a movable jaw and a fixed raft, which simulates the two-moving movement of the animal to complete the crushing operation of the material. It is widely used in medium-sized crushing of various ores and bulk materials in mining, smelting, building materials, highways, railways, water conservancy and chemical industries.
  • the sill plate (also called the tooth plate) is an important part of the jaw crusher.
  • the smashing production efficiency, crushing effect, power consumption and wear are directly related to the crushing pair composed of two slabs, to a large extent. Determined the performance of the entire smashed. Therefore, the seesaw is the first project to break through the technological advancement.
  • the "dental structure" of the crest and the valley of the crest is the most basic and important design of the coffin structure.
  • the jaws are manufactured with a narrow base width at the top.
  • the crests become wider as the crushing process wears out, and the "tooth shape” also decays with wear during the crushing operation, and tends to be flat.
  • the tooth shape has only a 1/5 to 1/3 time, and most of the time is the crushing operation in the sub-plate state, and the "tooth" shape is actually limited.
  • the object of the present invention is to overcome the defects of the prior art jaw crusher which has the advantages of poor crushing ability and low production efficiency after the teeth of the jaw plate are worn, and provides a self-repairing tooth shape function, the structure is simple, the cost is low, and the crushing ability is strong. Highly efficient crushing pair.
  • a self-repairing multi-functional crushing pair comprising a fixed jaw and a movable jaw, the fixed jaw and the movable jaw each including a substrate, and the substrate is provided with a tooth peak and a valley, wherein a tooth peak and a tooth valley on both the fixed jaw and the movable jaw of the crushing pair are relatively staggered; the tooth valley is provided with a hole penetrating through the substrate, and the holes are opposite Arranged in a row on the length of the peaks on the opposite substrate.
  • the first technical highlight of the crushing pair is that the fixed raft and the movable raft are V-shaped and the tooth peaks and valleys are relatively staggered, so that the ore is in the crushing chamber from top to bottom, from big to small.
  • the above various crushing methods greatly improve the crushing ability and efficiency of the crushing pair.
  • the tooth peaks and valleys of the fixed jaw and the movable jaw are relatively staggered, which reduces the size of the lower discharge port of the crushing chamber and makes the ore crushed finer.
  • the second technical highlight of this crushing pair (also the biggest technical highlight) is the use of an innovative self-repairing toothed crushing pair.
  • the original crushing sub-plate is the unilateral wear of the tooth peak. The closer the tooth peak wears, the closer it is to the flat plate. The efficiency is reduced; the jaw of the crushing pair is alternately worn by the tooth valley and the tooth peak, and both wear at the same time, and the tooth shape is self-repaired in the natural process of crushing, so that the crusher is always in the state of optimal crushing efficiency.
  • the principle of self-repairing tooth shape is as follows: Since the two crests of the crushing pair are opposite to the tooth valley, that is, the tooth peak is opposite to the tooth valley, and the tooth valley is hollowed out by 40%-80%, so it is not deep in the tooth valley. When the tooth valley is worn before the tooth peak. However, the rapid wear of the tooth valley compared to the tooth peak is limited, and it will not unilaterally wear out quickly until it penetrates the valley. Because the distance between the tooth peak and the tooth peak (that is, the width of the tooth valley) is a fixed value, when the tooth valley depth is close to the valley width, the chance of breaking between the tooth peak and the valley is less and less, and then reaches a certain level.
  • the self-repairing tooth shape keeps the jaws at the tip of the tooth shape, and the contact area between the tooth tip and the material is small.
  • the breaking method of the broken one is consistent, which improves the crushing efficiency of the crusher;
  • the crushing mechanism is: When the material is on a sharp-edged, blade-shaped metal surface and is pressed, the sharp edge or the blade will form a crack after it is wedged into the material, and the tensile stress will be generated inside the material. At the limit of stress intensity, the material is cleaved and broken.
  • the self-repairing tooth shape keeps the tooth shape always sharp and narrow, and the chance of the “breaking” crushing method by the two jaw plates staggered (tooth peak to valley) is more sufficient, and the crusher is also broken.
  • Efficiency The mechanism of crushing and crushing is: the material is on a metal rib with a certain spacing on one side, and by squeezing it on the other side of the yoke, the material will be bent and deformed when it is bent. When the stress reaches the bending strength limit, it is broken and broken.
  • the self-repairing tooth shape keeps the seesaw in the space of the tooth valley, and the probability of “crushing” the crushing method is high, which also improves the crushing efficiency of the crusher;
  • the mechanism of crushing and crushing is: When the material size is critical to the pitch of the crest of one side or the width of the valley, it will be crushed when pressed by the opposite side, just like the toothpaste, the edge of the extruded material will be After peeling off a small portion and being squeezed out, this is crushing.
  • the invention also has a great advantage in that it fully realizes the frustration and shear fracture.
  • the mechanism of chipping and breaking is: the material is on the two sides of the intersection, the side of the material is pressed by the blade-shaped metal surface, just like the blade is frustrated. When the material's frustration stress intensity reaches the limit, the edge of the material is frustrated and broken.
  • the shearing and crushing mechanism is as follows: The material is on the two sides of the staggered part, and is pressed by the front surface of the blade-shaped metal surface, like scissors shearing. When the shear stress intensity generated by the material reaches the limit, the material is sheared and broken.
  • the pore structure design of the present invention is like a good combination of a knife and a scissors, and the material is broken by frustration and shearing. This is the most basic crushing method under the crushing condition of the present invention, due to the shearing of the usual materials.
  • the shear stress strength is much lower than the compressive stress strength, so the crushing under the shear fracture mechanism is more efficient than the crushing mechanism.
  • the invention has sufficient frustration and shearing and breaking function, so that the whole crushing pair has a large bite force function.
  • This large bite force function is very beneficial to the crushing.
  • the big bite force function is as follows: 1 At the upper end of the "V" shaped crushing cavity, it shows that the biting (feeding) material is very strong; 2 in the whole crushing process, the material side It is broken and eats at the lower end, that is, the material advances toward the discharge direction as it breaks. Increased crushing efficiency.
  • the present invention improves the crushing mechanism of the jaw crusher and makes it superior in performance.
  • the present invention has the following beneficial effects:
  • the invention has a dense hole group of the raft plate, greatly improves the contact area between the quenched slab and the water, improves the hardenability in the quenching process, thereby improving the hardness and wear resistance of the raft, and prolonging the raft The service life.
  • the crushing pair can optimize the tooth height, tooth width, tooth pitch and number of teeth, that is, the tooth width becomes narrower, the tooth height becomes lower, the tooth pitch becomes longer, and the number of teeth becomes smaller. Therefore, the crushing pair has the following advantages: 1 because the tooth spacing is large, the breaking ability is enhanced; 2 the contact area between the tooth tip portion and the ore is reduced, according to the formula that the pressure is equal to the pressure divided by the contact area, when the same pressure is applied to the ore The jaw crusher has a higher pressure and a higher crushing efficiency.
  • the hole is a through hole penetrating through the substrate.
  • the holes can also be blind holes. If the hole is a blind hole, it has the function of "material feeding". Because the boring plate of the invention is provided with a plurality of holes, the hole is filled with material during the crushing, and the slab after filling the material continues to be broken. The phenomenon that the material in the hole is squeezed with the material in the crushing chamber is the function of "material feeding". Since the total area of the holes accounts for more than 50% of the slab area, the probability of material feeding is high. The crushing mechanism of this "material feeding” is beneficial to reduce the wear of the jaws and improve the efficiency of the crusher.
  • the sum of the areas of all the holes in the valley is 40% to 80% of the total area of the valley. More preferably, the sum of the areas of all the holes in the valley is 40% to 60% of the total area of the valley.
  • the cross-sectional area of the overall through hole should not be too large. The strength of the slab is not enough, and it should not be too small. After too small, the valley is not easy to wear before the tooth peak, so the purpose of self-repairing can not be achieved. .
  • the shape of the holes is a waist shape, an elliptical shape, a rectangular shape, and a diamond shape.
  • the holes may be in the shape of all of the above, or a combination thereof.
  • the holes in the same valley are not only in a row with respect to the length of the peaks on the opposite side plates. Arranged, and the holes are arranged at equal distances.
  • the width of the valley is 1.5 to 4 times the width of the tooth peak. In particular, a range of 1. 5 to 3 times can be selected.
  • the cross-sectional area of the tooth valley is larger than the maximum cross-sectional area of the tooth peak. The so-called maximum peak cross section is the joint between the tooth peak and the tooth plate. .
  • Figure 1 is a schematic structural view of the present invention
  • FIG. 2 is a schematic structural view of a seesaw of the present invention
  • Fig. 3 is a view showing the state of the crushing process of the present invention, wherein the left side is a schematic diagram of the ore force.
  • 1-frame 2-transmission wheel, 3-drive shaft, 4-moving raft, 5-fixed raft, 6-brace, 7-brace bracket, 8-bar, 9-buffer spring, 10-adjustment bolt, 11-substrate, 12-tooth peak, 13-tooth valley, 14-through hole, 15-ore, 16-moving. Best way to implement the invention
  • a self-repairing multi-functional crushing pair includes a frame 1, and the frame 1 is provided with a drive shaft 3, a transmission wheel 2, a crushing pair, a moving jaw 16, a bracket 6 and a tie rod, which are broken.
  • the pair includes a fixed jaw 5 and a movable jaw 4, and the fixed jaw 5 is fixedly coupled to the frame 1.
  • the movable jaw 4 is fixedly connected to the movable cymbal 16, the upper end of the movable cymbal 16 is pivotally connected to the drive shaft 3, and the lower end is pivotally connected to the bracket 6.
  • the drive shaft 3 is mounted on the frame 1 and connected with the transmission wheel 2, the elbow
  • the plate 6 is connected to the bracket base 7 on the frame 1, and the bracket seat 7 is slidably coupled to the frame 1.
  • the frame 1 is further provided with an adjusting bolt 10 for adjusting the sliding of the bracket seat 7.
  • a pull rod is also connected to the lower end of the movable body 16, and the pull rod 8 is connected to the frame 1 through the buffer spring 9.
  • the fixed jaw 5 and the movable jaw 4 of the crushing pair each include a substrate 11 on which the tooth peaks 12 and the valleys 13 are disposed, and the fixed jaws 5 and the movable jaws 4 are arranged in a V shape.
  • the angle is 23 degrees and the tooth peaks 12 and the valleys 13 of the two are relatively staggered.
  • the width of the valley 13 is 1. 5 times the width of the tooth peak 12.
  • a through hole 14 penetrating the substrate is provided in the tooth valley 13, and the through hole 14 has a waist shape.
  • These through holes 14 are arranged in a line with respect to the longitudinal direction of the crests 12 on the opposite side substrate 11, and the through holes 14 in the same valley 13 are equally spaced.
  • the area of all the through holes 14 in one tooth valley 13 and the total of the tooth valleys 13 40% of the area.

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

Description

一种自修齿形的多功能破碎副 技术领域
本发明涉及一种颚式破碎机领域，更具体地说是一种自修齿形的多功能破碎 副。 背景技术
颚式破碎机， 俗称颚破， 是由活动颚板和固定颚板组成破碎副， 模拟动物 的两颚运动完成物料破碎作业的破碎机。 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。
颚板（也称齿板）， 是颚式破碎机中的重要部件， 颚破的生产效率、 破碎效 果、 功耗和磨耗均与两颚板组成的破碎副有着直接的关联， 很大程度上决定了 整台颚破的性能。 因而， 颚板是颚破技术进步首要攻关的项目。 通常人们从以 下几方面着手改进与创新： 1.颚板的材料及制造工艺； 2.颚板的几何结构； 3. 齿峰、 齿谷的形状等等。 而颚板齿峰、 齿谷的 "齿状结构"是颚板结构中最基 本、 最重要的设计。
实践证明， "齿形结构"式颚板的破碎性能比 "实心平面板"式颚板的破碎 性能要优越得多。所以从颚式破碎机诞生起， "齿形结构"式颚板就一直沿用至 现有技术颚式破碎机通常不选用 "实心平板"式颚板， 而选择 "齿形结构 式颚板， 原因有二： 一是 "齿形结构"式颚板与物料接触面小， 破碎压强大; 二是可利用齿形状来实现"劈碎、 折碎、 挤碎" 等更有效的破碎机理， 以提高 破碎效率。
为了保证齿形有足够的强度， 颚板在制造时均采取顶部窄基部宽的结构。 这样， 在破碎过程中， 齿顶就随着破碎进程逐渐磨损而变宽， "齿形 "也在破碎 作业中随着磨损而衰退，近趋于平板。在颚板的使用过程中，齿形只有 1/5 〜 1/3 的时间有明显作用， 而大部分时间是在亚平板状态下进行破碎作业， "齿"形作 用实际发挥得很有限。
正因为此， 讫今为止人们所有对齿形的改进与创新， 都留下一个共同的弊 端： 即 "齿"形新时效果最佳， 然后随着 "齿"形的磨损而效果逐渐衰减。 发明的公开
本发明的目的在于克服现有技术颚式破碎机因颚板的齿磨损后破碎能力差、 生 产效率低的缺陷， 提供了一种具有自修齿形功能， 结构简单、 成本低、 破碎能 力强、 生产效率高的破碎副。
为了达到以上目的， 本发明通过以下技术方案实现： 一种自修齿形的多功 能破碎副， 包括固定颚板和活动颚板， 固定颚板和活动颚板上均包括有基板， 基板上设置有齿峰和齿谷， 其特征在于， 所述破碎副的固定颚板和活动颚板两 者上的齿峰和齿谷相对交错布置； 所述的齿谷内设置有贯穿基板的孔， 这些孔 相对于对侧基板上的齿峰长度方向呈一列布置。
本破碎副的第一个技术亮点在于限定了固定颚板和活动颚板呈 V形结构且 齿峰和齿谷相对交错布置， 这样一来矿石在破碎腔中从上至下、 从大到小存在 三种破碎方式： ①矿石在最上面时， 因物料个体较大， 两齿峰距离可以忽略不 计， 形成的是劈碎方式； ②矿石在中间时， 因物料个体适中， 两侧齿峰相互受 力点明显错开， 齿峰距离起着作用， 成的是折碎方式； ③矿石在最下面时， 因 物料个体很小， 能够融入齿谷中， 形成的是挤碎 （压碎） 方式。 上述多种破碎 方式， 使破碎副的破碎能力和效率大为提高。 固定颚板和活动颚板的齿峰和齿 谷相对交错布置， 缩小了破碎腔下部排放口尺寸， 使矿石破碎的粒度更细。
本破碎副的第二个技术亮点 （也是最大的技术亮点） 在于使用了创新的自 修齿形破碎副， 原破碎副颚板是齿峰单方面磨损，齿峰越磨损就越接近于平板， 破碎效率降低； 本破碎副的颚板是齿谷与齿峰交替磨损， 两者同时存在磨损， 在破碎的自然过程中自行修复齿形， 使破碎机始终处于最佳破碎效率状态。
自修齿形的原理如下： 由于破碎副的两块颚板齿峰与齿谷交错相对， 即齿 峰对齿谷， 且齿谷是挖空 40%-80%面积的， 所以在齿谷不深时齿谷先于齿峰而 磨损。 然而， 齿谷比齿峰快速磨损是有限度的， 不会单方面一直快速磨损下去 直至磨穿齿谷。 因为齿峰与齿峰的距离 （即齿谷的宽度） 是个定值， 当齿谷深 度接近齿谷宽度时， 齿峰与齿谷之间的破磨机会就会越来越少， 再达到一定深 度时就不再会有破磨的机会 即不再继续磨损。 而这时齿峰对齿峰还在破磨 大块 （超过齿谷宽度） 的物料继续磨损着。 当齿峰磨至一定程度时， 齿谷又浅 了， 齿谷又开始参与破磨 即又有了磨损……如此周而复始， 使齿峰与齿谷 能在自然破磨过程中， 始终平衡在某一个定值， 也即能始终保持着一个相对固 定的齿形。 这就达到了在破碎的自然过程中， 自行修复齿形的目的。
颚板的齿形具有自行修复功能后， 用 "齿形结构"设计所产生 "劈碎、 折 碎、 挤碎" 等优越的破碎机理， 就得以充分实现：
1.自修齿形使颚板始终保持齿形的尖窄状，齿尖与物料接触面积就小， "劈 破" 的破碎方式就始终如一， 提高了破碎机的破碎效率；
劈碎破碎机理是： 物料处在带有尖棱、 刀片状的金属表面并受挤压时， 尖 棱或刀片楔入物料后会形成裂缝， 物料内部就产生拉伸应力， 当其达到拉伸应 力强度极限时， 则物料被劈裂而破碎。
2.自修齿形使齿形始终保持了尖窄状， 由两颚板交错设置 （齿峰对齿谷） 而产生的 "折破"破碎方式的机会就更充分， 也提高了破碎机的破碎效率； 折碎破碎机理是： 物料处在一侧带有一定间距的金属凸棱上， 而通过对峙 交错的另一侧的凸棱对其作挤压， 物料就会产生弯曲变形， 当其弯曲应力达到 弯曲强度极限时， 则被折断破碎。
3.自修齿形使颚板保持了齿谷的空间， "挤破 "破碎方式的概率就很高， 同 样提高了破碎机的破碎效率；
挤碎破碎机理是： 当物料尺寸临界于一侧颚板的齿峰间距或齿谷宽度时， 而受到对侧挤压时就会产生挤碎， 犹如挤牙膏， 受挤压的物料边缘会被剥离一 小部分后被挤出， 这就是挤碎。
本发明还有一个较大的优越性在于： 它充分实现了挫、 剪切破碎。
挫削破碎机理是： 物料处于两边交错部位， 物料侧面受到刀片状金属表面 挤压， 犹如锉刀挫削， 物料在受力处产生的挫削应力强度到达极限时， 物料边 缘部分被挫削而破碎； 剪切破碎机理是： 物料处于两边交错部位， 受到刀片状 金属表面正面挤压， 犹如剪刀剪切， 物料在受力处产生的剪切应力强度到达极 限时， 物料被剪切而破碎。
本发明的孔结构设计， 犹如一副很好的组合挫刀和剪刀， 物料以挫、 剪方 式被破碎。 这是本发明破碎副条件下最基本的破碎方式， 由于通常物料的抗剪 切应力强度比抗压应力强度要低得多， 所以处于剪切破碎机理下的破碎要比压 碎破碎机理的破碎更有效率。
本发明具有了充分的挫、 剪破碎功能后， 使整个破碎副具有了大咬合力功 能。 这种大咬合力功能对破碎极为有利， 大咬合力功能体现为： ①在 "V"形破 碎腔上端， 表现为抓咬 （吃进） 物料能力很强； ②在整个破碎过程中， 物料一 边被破碎， 一边往下端吃进， 即物料随着破碎而同时往排料方向推进。 提高了 破碎效率。
总之， 本发明提升了颚式破碎机的破碎机理， 使其性能更为优越。
本发明除了上述优越功能以外， 还有以下有益效果：
( 1 )颚板制造过程中， 需进行淬火热处理， 即把加温至炽热的颚板浸入水 中快速冷却， 以达到淬火硬化的目的。 本发明将颚板设置了密密麻麻的孔群， 大大提高了淬火颚板与水的接触面积， 提高了淬火工艺中的淬透性， 从而提高 了颚板的硬度和耐磨性， 延长了颚板的使用寿命。
( 2 ) 活动颚板在驱动轴带动下呈椭圆轨迹运动， 孔在齿谷中呈一列布置， 受上述力和结构的影响， 在破碎腔中的矿石有类似于在 "搓衣板"上被搓碎。 出现这一破碎方式， 增加了本破碎副的破碎效率。
( 3 ) 由于齿形能够自行修复， 本破碎副对齿高、 齿宽、 齿间距及齿数都可 优化处理， 即齿宽度变窄、 齿高度变低、 齿间距变长、 齿数变少， 由此， 本破 碎副具有以下优势： ①因齿间距大， 折破能力增强； ②齿尖部分与矿石接触面 积减小，按照压强等于压力除以接触面积的公式，在同样压力施加在矿石上时， 颚式破碎机的压强就来的更大， 破碎效率就更高。
作为优选， 所述的孔为贯穿基板的通孔。 采用通孔方式时， 使已符合成品 规格尺寸的物料提早退出破碎腔， 避免对物料的过度破碎并节约能耗。 孔也可 以为盲孔。 如果孔为盲孔时， 则具有 "料打料" 的功能， 因本发明中的颚板设 置有诸多孔， 孔在破碎中会被物料填满， 填满物料后的颚板在继续破碎中就产 生孔中的物料与破碎腔中物料相挤压的现象， 这就是 "料打料"功能。 由于孔 的总面积占颚板面积高达 50%以上， 所以料打料的概率很高。 这一 "料打料" 的破碎机理大有利于降低颚板的磨耗， 提高了破碎机的效能。
作为优选， 齿谷内所有孔的面积之和占该齿谷总面积的 40%到 80%。 作为 更优选， 齿谷内所有孔的面积之和占该齿谷总面积的 40%到 60%。 整体通孔的 截面面积不应过大， 过大会导致颚板的强度不够， 也不应过小， 过小后齿谷就 不容易先于齿峰而磨损， 也就不能实现自修齿形的目的。
作为优选， 孔的形状为腰形、 椭圆形、 矩形和菱形。 孔可以为上述的所有 方式的形状也可以为它们的组合， 为使这种搓碎的破碎机理更有效率， 同一齿 谷中的孔不但要相对于对侧颚板上的齿峰长度方向呈一列布置， 而且孔间要等 距离布置。
作为优选， 齿谷的宽度为齿峰宽度的 1. 5倍到 4倍。 尤其可以选用 1. 5〜3 倍的范围。 为了使齿谷能更好地先于齿峰磨损， 达到齿形修复的功能， 齿谷的 截面面积要大于齿峰最大处截面面积， 所谓齿峰最大处截面即齿峰与齿板的连 接处。
附图说明
图 1为本发明的结构示意图；
图 2为本发明颚板的结构示意图；
图 3为本发明破碎过程状态展示图， 其中左侧为矿石受力示意图。 图中： 1-机架， 2-传动轮， 3-驱动轴， 4-活动颚板， 5-固定颚板， 6-肘板， 7-肘板座， 8-拉杆， 9-缓冲弹簧， 10-调节螺栓， 11-基板， 12-齿峰， 13-齿谷， 14-通孔， 15-矿石， 16-动颚。 实现本发明的最佳方法
下面通过实施例，并结合附图，对本发明的技术方案作进一步具体的说明。 实施例：
如图 1所示， 一种自修齿形的多功能破碎副， 包括机架 1， 机架 1上设置 有驱动轴 3、 传动轮 2、 破碎副、 动颚 16、 肘板 6和拉杆， 破碎副包括有固定 颚板 5和活动颚板 4， 固定颚板 5固定连接在机架 1上。 活动颚板 4固定连接 在动颚 16上， 动颚 16上端枢接在驱动轴 3上， 下端枢接在肘板 6上， 驱动轴 3安装于机架 1上并连接有传动轮 2，肘板 6连接在机架 1上的肘板座 7上，肘 板座 7滑动连接在机架上 1， 机架 1上还设有能够调节肘板座 7滑动的调节螺 栓 10。 动颚 16下端还连接有一拉杆 8， 拉杆 8通过缓冲弹簧 9连接在机架 1 上。
破碎副的固定颚板 5和活动颚板 4均包括有基板 11， 基板 11上均设置有 齿峰 12和齿谷 13， 固定颚板 5和活动颚板 4呈 V形布置， 两者的夹角为 23度 且两者的齿峰 12和齿谷 13相对交错布置。齿谷 13的宽度为齿峰 12宽度的 1. 5 倍。
如图 2所示， 齿谷 13内设置有贯穿基板的通孔 14， 通孔 14呈腰形。 这些 通孔 14相对于对侧基板 11上的齿峰 12长度方向呈一列布置， 且同一齿谷 13 中的通孔 14间等间距布置。 一齿谷 13内所有通孔 14的面积和占该齿谷 13总 面积的 40%。
应用： ①矿石 15在最上时， 因物料个体较大， 两齿峰距离可以忽略不计， 形成的是劈碎方式； ②矿石 15在中间时， 因物料个体适中， 齿峰与对侧齿峰相 互受力点明显错开， 齿峰距离就起到作用， 形成的是折碎方式； ③矿石 15在最 下时， 因物料个体很小， 能够融入齿谷中， 形成的是挤碎 （压碎） 方式。 存在 上述多种的破碎方式， 使得矿石破碎的能力和效率大为提升。 固定颚板和活动 颚板两者的齿峰和齿谷呈相对交错布置， 缩小了破碎腔下部排放口尺寸， 使矿 石破碎的粒度更细。

Claims

权 利 要 求
1. 一种自修齿形的多功能破碎副， 包括固定颚板和活动颚板， 固定颚板和 活动颚板上均包括有基板， 基板上设置有齿峰和齿谷， 其特征在于， 所述破碎 副的固定颚板和活动颚板两者上的齿峰和齿谷相对交错布置； 所述的齿谷内设 置有孔， 这些孔相对于对侧基板上的齿峰长度方向呈一列布置。
2. 根据权利要求 1所述的自修齿形的多功能破碎副， 其特征在于， 所述的 孔为贯穿基板的通孔。
3. 根据权利要求 1或 2所述的自修齿形的多功能破碎副， 其特征在于， 齿 谷内所有孔的面积之和占该齿谷总面积的 40%到 80%。
4. 根据权利要求 1或 2所述的自修齿形的多功能破碎副， 其特征在于， 孔 的形状为腰形、 椭圆形、 矩形和菱形。
5. 根据权利要求 1或 2所述的自修齿形的多功能破碎副， 其特征在于， 齿 谷的宽度为齿峰宽度的 1.5~4倍。
6. 根据权利要求 3所述的自修齿形的多功能破碎副， 其特征在于， 齿谷的 宽度为齿峰宽度的 1.5~4倍。
PCT/CN2012/073071 2011-03-28 2012-03-26 一种自修齿形的多功能破碎副 WO2012130127A1 (zh)

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CN103357461B (zh) * 2012-03-26 2016-01-20 义乌市黑白矿山机械有限公司 一种腔形自磨形成的超细碎破碎副
CN103357462B (zh) * 2012-03-26 2015-11-25 义乌市黑白矿山机械有限公司 一种具有料打料功能的高效耐用破碎副
CN103357463B (zh) * 2012-03-26 2016-06-15 义乌市黑白矿山机械有限公司 一种具有料打料功能的容置凹槽结构
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CN103357460B (zh) * 2012-03-26 2015-09-16 义乌市黑白矿山机械有限公司 一种基部后置式的高效率颚板
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