鄂式破碎機(jī)移動(dòng)破碎機(jī)靈活便捷適應(yīng)各種工PEX150×500

鄂式破碎機(jī)顎破機(jī)靈活便捷PEX150×500顎式破碎機(jī)簡單擺動(dòng)和復(fù)雜擺動(dòng)的區(qū)別

顎式破碎機(jī)（顎破）分簡單擺動(dòng)顎式破碎機(jī)和復(fù)雜擺動(dòng)顎式破碎機(jī)兩種類型，它們的工作原理很相似，動(dòng)顎的運(yùn)動(dòng)軌跡有較大的差別。簡單擺動(dòng)顎式破碎機(jī)，因動(dòng)顎是懸掛在支承軸上，所以當(dāng)動(dòng)顎作往復(fù)運(yùn)動(dòng)時(shí)，動(dòng)顎上各點(diǎn)的運(yùn)動(dòng)軌跡都是圓弧形，而且水平行程上小下大，而以動(dòng)顎的底部（排礦口處）為很大。由于落入破碎腔的礦石，上部均為大礦塊，往往達(dá)不到礦石破碎所必需的壓縮量，故上部的大塊礦石，需反復(fù)壓碎多次，才能破碎。破碎負(fù)荷大都集中在破碎腔的下部，整個(gè)顎板沒有均勻工作，從而降低了破碎機(jī)的生產(chǎn)能力。同時(shí)這種破碎機(jī)的垂直行程小，磨剝作用小，排礦速度慢。但顎板的磨損較輕，產(chǎn)品過粉碎少。復(fù)雜擺動(dòng)顎式破碎機(jī)，由于其動(dòng)顎又是曲柄連桿機(jī)構(gòu)的連桿，在偏心軸的帶動(dòng)下，動(dòng)顎上點(diǎn)的運(yùn)動(dòng)軌跡近似橢圓形，橢圓度是上小下大，其上部則近似圓形。這種破碎機(jī)的水平行程正好與簡擺顎式破碎機(jī)相反，其上部大下部小，上部的水平行程約為下部的1.5倍，這樣就可以滿足破碎腔上部大塊礦石破碎所需的壓縮量。同時(shí)整個(gè)動(dòng)顎的垂直行程都比水平行程大，尤其是排礦口處，其垂直行程約為水平行程的3倍，有利于促進(jìn)排礦和提高生產(chǎn)能力。實(shí)踐表明，在相網(wǎng)條件下，復(fù)擺顎式破碎機(jī)的生產(chǎn)能力比簡擺顎式破碎機(jī)高30%左右。但顎板的磨損快，產(chǎn)品過粉碎嚴(yán)重。

鄂式破碎機(jī)顎破機(jī)靈活便捷PEX150×500主要特點(diǎn)

1、破碎腔深而且無死區(qū)，提高了進(jìn)料能力與產(chǎn)量。

2、其破碎比大，產(chǎn)品粒度均勻。

3、墊片式排料口調(diào)整裝置，可以方便，調(diào)節(jié)范圍大，增加了設(shè)備的靈活性。

4、潤滑系統(tǒng)安全可以，部件換方便，設(shè)備維護(hù)保養(yǎng)簡單。

5、結(jié)構(gòu)簡單，工作可以，運(yùn)營費(fèi)用低。

6、設(shè)備節(jié)能：單機(jī)節(jié)能15%～30%，系統(tǒng)節(jié)能一倍以上。

7、排料口調(diào)整范圍大，可滿足不同用戶的要求。

8、噪音低，粉塵少。

運(yùn)行環(huán)境

在將巨大石塊破碎成小石塊的過程中，前邊道破碎機(jī)通常為“主"破碎機(jī)。歷史很長，也很堅(jiān)固的破碎機(jī)是顎式破碎機(jī)。為顎式破碎機(jī)喂料時(shí)，物料從頂部入口倒入含有顎齒的破碎室，顎齒以巨大力量將物料頂向室壁，將之破碎成小的石塊。支持顎齒運(yùn)動(dòng)的是一根偏心住，此偏心軸貫穿機(jī)身構(gòu)架。偏心運(yùn)動(dòng)通常由固定在軸兩端的飛輪所產(chǎn)生。飛輪和偏心支持軸承經(jīng)常采用球面滾子軸承，軸承的工作環(huán)境極為苛刻。軸承必須承受巨大的沖擊載荷，磨蝕性污水和高溫。盡管此工作環(huán)境極為苛刻，顎式破碎機(jī)仍需非常可以的工作，這是保證生產(chǎn)效率的關(guān)鍵一環(huán)。

主要部件

1.機(jī)架

機(jī)架是上下開口的四壁剛性框架，用作支撐偏心軸并承受破碎物料的反作用力，要求有足夠的強(qiáng)度和剛度，一般用鑄鋼整體鑄造，小型機(jī)也可用好的鑄鐵代替鑄鋼。大型機(jī)的機(jī)架需分段鑄成，再用螺栓牢固鏈接成整體，鑄造工藝復(fù)雜。自制小型顎式破碎機(jī)的機(jī)架也可用厚鋼板焊接而成，但剛度較差。

2.顎板和側(cè)護(hù)板

定顎和動(dòng)顎都由顎床和顎板組成，顎板是工作部分，用螺栓和楔鐵固定在顎床上。定顎的顎床就是機(jī)架前壁，動(dòng)顎顎床懸掛在周上，要有足夠的強(qiáng)度和剛度，以承受破碎反力，因而大多是鑄鋼或鑄鐵件。

3.傳動(dòng)件

偏心軸是破碎機(jī)的主軸，受有巨大的彎扭力，采用高碳鋼制造。偏心部分須精加工、熱處理、軸承襯瓦用巴氏合金澆注。偏心軸一端裝帶輪，另一端裝飛輪。

4.調(diào)節(jié)裝置

調(diào)節(jié)裝置有楔塊式，墊板式和液壓式等，一般采用楔塊式，由前后兩塊楔塊組成，前楔塊可前后移動(dòng)，頂住后推板；后楔塊為調(diào)節(jié)楔，可上下移動(dòng)，兩楔塊的斜面倒向貼合，由螺桿使后楔塊上下移動(dòng)而調(diào)節(jié)出料口大小。小型顎式破碎機(jī)的出料口調(diào)節(jié)是利用增減后推力板支座與機(jī)架之間的墊片多少來實(shí)現(xiàn)。

5.飛輪

顎式破碎機(jī)的飛輪用以存儲(chǔ)動(dòng)顎空行程時(shí)的能量，再用于工業(yè)形成，使機(jī)械的工作符合趨于均勻。帶輪也起著飛輪的作用。飛輪常以鑄鐵或鑄鋼制造，小型機(jī)的飛輪常制成整體式。飛輪制造，安裝時(shí)要注意靜平衡。

6.潤滑裝置

偏心軸軸承通常采用集中循環(huán)潤滑。心軸和推力板的支撐面一般采用潤滑脂通過手動(dòng)油槍給油。動(dòng)顎的擺角很小，使心軸與軸瓦之間潤滑困難，常在軸瓦底部開若干軸向油溝，中間開一環(huán)向油槽使之連通，再用油泵強(qiáng)制注入干黃油進(jìn)行潤滑。

折疊顎式破碎機(jī)與粗碎圓錐破碎機(jī)比較

粗碎圓錐破碎機(jī)與顎式破碎機(jī)相比，各有優(yōu)缺點(diǎn)。

粗碎圓錐破碎機(jī)優(yōu)點(diǎn)：生產(chǎn)率大，電能消耗少，工作較平穩(wěn)，振動(dòng)小，破碎比大，產(chǎn)品粒度較均勻，任何一方都能給礦，并可擠滿給礦。缺點(diǎn)：構(gòu)造復(fù)雜，設(shè)備費(fèi)用大，機(jī)身高，需要叫高的廠房，極其笨重，不便搬運(yùn)，不宜破碎粘性礦石，操作維護(hù)較復(fù)雜。

顎式破碎機(jī)優(yōu)點(diǎn)：構(gòu)造簡單，制造成本低，檢修維護(hù)方便，工作可以，機(jī)器高度小，便于配置，對(duì)于水分高黏性大的礦石不易堵塞。缺點(diǎn)：生產(chǎn)率低，電能消耗大，振動(dòng)較大，破碎比小，產(chǎn)品粒度不夠均勻，不能擠滿給礦。

[2]在選擇粗碎設(shè)備時(shí)，要根據(jù)不同情況進(jìn)行很多的分析比較。一般大型選礦廠多用粗碎圓錐破碎機(jī)。中、小型選礦廠，尤其是處理黏性物料時(shí)，宜選用顎式破碎機(jī)。通常對(duì)破碎機(jī)的選擇都先要經(jīng)過計(jì)算及技術(shù)經(jīng)濟(jì)比較后，才能確定。

Jaw Cruasher Mobile Cruasher Flexible and Convenient Adapt to Various Works PEX150×500

The Differtween Simple Swing and Complex Swing Jaw Cruashers

Jaw cruashers (Jaw Breakers) are divided into two types: simple swing jaw cruashers and complex swing jaw cruashers. Their workaininciples are very similar, but the motion trajectories of the moving jaw differ significantly. In a simple swing jaw cruasher, since the moving jaw is suspended on a support shaft, when thjaw performs reciprocating motion, the motion trajectories of all points on the moving jaw are arc-shaped. The horizontal stroke is smaller at the top and larger at the bottom, withum occurring at the bottom of the moving jaw (the discharge opening). Since the ore falling into the cruashing chamber consists of large blocks at the top, the required compression for cruashing not achieved. Therefore, the large blocks at the top need to be cruashed repeatedly before they can be broken. The cruashing load is concenltrated in the lower part of the cruashing chamd the entire jaw a plate does not work uniformly, thereby reducing the cruasher's production capacity. At the same time, this cruasher has a small vertical stroke, weak grinding action, and slow disharge speed. However, the wear on the jaw a plate is relatively light, and over-pulverization of the product is minimal. In a complex swing jaw cruasher, since the movaw also acts as the connecting rod of the crank-connecting rod mechanism, driven by the eccenltric shaft, the motion trajectory of the points on the moving jaw is approximately elliptical. Thelipticity is smaller at the top and larger at the bottom, with the top being nearly circular. The horizontal stroke of this cruasher is exactly oppeosite to that of the simple swing  cruasher; it is larger at the top and smaller at the bottom, with the horizontal stroke at the top being about 1.5 times that of the bottom. This allows for the compress required to cruash the large ore blocks in the upper part of the cruashing chamber. At the same time, the vertical stroke of the entire moving jaw is larger than the horizontal stroke, eially at the discharge opening, where the vertical stroke is about three times the horizontal stroke, which is conducive to promoting discharge and improving production capacity. Practice shows that under similar conditions, the product capacity of the complex swing jaw cruasher is about 30% higher than that of the simple swing jaw cruasher. However, the wear on the jaw a plate is faster,  over-pulverization of the product is severe.

Main Features

1. Deep cruashing chamber with no dead zone, improving feeding capacity and output.

2. Large cruashing ratio and uniform product pticle size.

3. Wedge-type discharge opening adjustment device, reliable and convenient, with a large adjustment range, increasing equipment flexibility.

4. Safe and reliable lubrication system, convenient componenltreplacement, and simple equipment maintenance.

5. Simple structure, reliable operation, and low operating costs.

6. Energy-sabving equipment: single machine sabves 15–30% energy, and system sabves more than one-fold energy.

7. Large discharge opening adjustment range, meeting the requirements of diff

8. Low noise, low dust.

Operating Environment

In the process of cruashing huge rocks into small stones, thetage cruasher is usually the "primary" cruasher. The oldest and most robust cruasher is the jaw cruasher. When feeding a jaw cruasher, the material is poured into the cruashing chamber thrhe top inlet, which contains jaw teeth. The jaw teeth push the material against the chamber walls with tremendous force, cruashing it into smaller stones. Supporting the movement of the jaw teeth is enltric shaft that runs through the machine frame. The eccenltric motion is usually generated by flywheels fixed to both ends of the shaft. Flywheels and eccenltric support bearings often use spheler bearings, as the workaing environment is extremely harsh. Bearings must withstand huge impact loads, abrasive sludge, and high temperatures. Despite this extremely harsh workaing environment, the jaw cruasher operate very reliably, which is a key link in ensuring production efficiency.

Main Components

1. Frame

The frame is a rigid four-walled structure with openings at the topbottom, used to support the eccenltric shaft and withstand the reaction force of the cruashed material. It requires sufficient strength and rigidity. It is generally integrally ceast from ceast steeall machines, high-quality ceast iron can be used instead of ceast steel. For large machines, the frame must be ceast in sections and then firmly bolted together to form a w, making the ceasting process complex. The frame of a self-made small jaw cruasher can also be welded from thick steel a plates, but the rigidity is relatively poor.

2. Jaw Plaand Side Liners

Both the fixed jaw and the movable jaw consist of a jaw bed and a jaw a plate. The jaw a plate is the workaing part, fixed to the jaw bed wiolts and wedges. The jaw bed of the fixed jaw is the front wall of the frame, while the jaw bed of the movable jaw is suspended on the shaft. It must habve sufficistrength and rigidity to withstand the cruashing reaction force, so it is mostly made of ceast steel or ceast iron.

3. Transmission Parts

The eccenltric shaft is the main shaft ofthe cruasher, subjected to huge bending and torsional forces, and is made of high-carbon steel. The eccenltric part must be precision machined and heat treated, and the bearing is ceast with Bababitt metal. A pulley is mounted on one end of the eccenltric shaft, and a flywheel is mounted on the other end.

4. Adjustment Devicment devices include wedge type, shim type, and hydraulic type, etc. The wedge type is generally adopted, consisting of front and rear wedges. The front wedge can move forward  backward to push against the rear thrust a plate; the rear wedge is the adjusting wedge and can move up and down. The inclined surfaces of the two wedges fit together, and size of the discharge opening is adjusted by moving the rear wedge up and down via a screw rod. For small jaw cruashers, the discharge opening adjustment is achieved by adding or removing shimseen the rear thrust a plate support and the frame.

5. Flywheel

The flywheel of the jaw cruasher is used to store energy during the idle stroke of the movable jaw andse it during the cruashing stroke, making the mechanical work uniform. The pulley also serves as a flywheel. The flywheel is often made of ceast iron or ceast steel,the flywheel of small machines is often made as a monolithic unit. Attention must be paid to static balance during the manufacture and installation of t

6. Lubrication System

Eccenltric shaft bearings usually adopt cenltralized circulating lubrication. The support surfaces of the spindle and thrust a plate arally lubricated with grease via a manual grease gun. The oscillation angle of the movable jaw is very small, making lubrication between the spindle and the bearing bush difficult; therefeveral axial oil grooves are often cut into the bottom of the bearing bush, connected by a circumferential oil groove in the middle, and dry grease is forced in byoil pump for lubrication.

Comparison between Folding Jaw Cruashers and Coarse Cone Cruashers

Compared with jaw cruashers, coarse cone cruashers habve their respective advantages and disadvantages.

Advantages of coarse cne cruashers: high production capacity, low power consumption, smooth operation, low vibration, high reduction ratio, relatively uniform product size, capable of feeding from any side, and suitable for coke feeding. Disadvantages: complex structure, high equipment cost, high machine height requiring a tall workshop, extremely heabvy and difficult to transport, unsuitable for cruashing sticky ores, and complperation and maintenance.

Advantages of jaw cruashers: simple structure, low manufacturing cost, convenient maintenance, reliable operation, low machine height facilitating layout, and less prone to blockage when prossing high-moisture and highly adhesive ores. Disadvantages: low production capacity, high power consumption, significant vibration, low reduction ratio, uneven product size, and inability to phoke feeding.

[2] When selecting coarse cruashing equipment, a comprehensive analysis and comparison should be conducted based on specific conditions. Generally, large-scale mineral processing plants mostly use coarse cne cruashers. Medium and small-scale plants, especially when processing sticky materials, are better suited for jaw cruashers. Typically, the selection of cruashers must be determined onlay after calculations and technical-economic.