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設備簡介Equipment Introduction

LMZD系列震蕩篩篩是制藥、化工、食品、化妝品等工業粗細不等粉狀，顆粒物料連續過篩出料的理想設備。本機由料盤、振蕩室、聯軸器、機座組成，可調節的偏心重錘隨著驅動馬達旋轉，產生離心力，使物料在篩內形成軌道漩渦，從而達到需要的篩選效果。重錘調節器的振幅大小可根據不同物料和篩網進行調節。整機結構緊湊，運轉平穩，不揚塵，噪聲低，使用及維修方便。   

The LMZD series vibrating screen is an ideal equipment for continuously sieving and discharging granular materials of varying sizes in industries such as pharmaceuticals, chemicals, food, cosmetics, etc. This machine is composed of a material tray, an oscillation chamber, a coupling, and a base. The adjustable eccentric weight generates centrifugal force with the rotation of the driving motor, causing the material to form a track vortex inside the screen, thereby achieving the desired screening effect. The amplitude of the heavy hammer adjuster can be adjusted according to different materials and screens. The whole machine has a compact structure, smooth operation, no dust, low noise, and is easy to use and maintain.

工作原理operational principle

LMZD系列震蕩篩，它是由馬達和主軸間的橡膠繞性聯軸器，主軸兩端雙偏心激振重塊，懸吊篩箱和連接機座的“橡膠抗震架”三部份組成整個振蕩系統。振動器與機架以非線性橡膠繞性連接，調整雙偏心激振重塊的不同的相位角，就能得到篩選不同原料的特性。那時，物料不但受水平的離心力作用，而且受到垂直方向力的作用，使物料形成復合運動軌跡，產生旋渦，相位角越大，旋渦越大。

The LMZD series vibrating screen is composed of three parts: a rubber flexible coupling between the motor and the main shaft, double eccentric vibration weight blocks at both ends of the main shaft, a suspended screen box, and a rubber seismic frame connected to the machine base. The vibrator is connected to the frame through nonlinear rubber winding, and by adjusting the different phase angles of the double eccentric vibration weight block, the characteristics of screening different raw materials can be obtained. At that time, the material was not only subjected to horizontal centrifugal force, but also to vertical force, forming a composite motion trajectory and generating vortices. The larger the phase angle, the larger the vortices.

設備結構Equipment structure

LMZD-系列型振蕩篩，分單層敞口式和雙層密閉式二種，單層敞口式篩，即普通型過濾篩，用于大顆粒比例不多的物料篩旋。雙層密封式篩，即渦卷型過濾篩，用于連續去掉過大顆粒的物料篩選。振蕩篩的組成，由篩箱、傳動、振動室、機座四部份組成。

1.篩箱：篩箱由篩框、篩網、篩網架、夾箍、迷宮式、密封圈及出料盤組成，篩子和出料盤是通過四只特殊的快開式夾頭固定，裝拆調換篩網，只需扳下四只快開式手柄，即可脫下篩箱中的全部零件，至復原裝好，全過程只需1-2分鐘時間，這種特殊的結構，對設備的操作、清洗、維護保養及為方便，這種篩箱可以適應固體或液體原料的過篩。出料盤的開口與平夾角為23度，具有出料容易，篩選能力大等優點。

2.傳動激振裝置是由電機、三角皮帶、橡膠撓性聯軸器，主軸兩端可調節的雙偏心重塊組成，這種可調節的雙偏心重塊激振裝置，通過橡膠撓性聯軸器來啟動，其優點是設備在起動和停機時，緩慢平穩，無沖擊現象，物料在篩網上不會破壞。

3.振蕩室，振蕩室是由主軸承，振動器，振動器的懸吊裝置組成、懸吊裝置由上、下各三套“橡膠抗震架”組成，上面三套振動器安裝在主軸承座上，下面三套振動器安裝在機座上、下三套振動器的連接，是通過低碳鋼懸吊棒連接，這種浮動懸吊式抗震結構使設備運轉平穩，噪音低，篩粉效果高，對機座影響小。

4.機座：機座由機身及底座二部分組成，底座下裝有四只可自由轉動的腳輪。移動方便、靈活。機身設計為圓錐體。緊固穩定，工作時不移位。機座上開有檢查門，通過它可以檢修電器，傳動部件，調節下偏心塊的相位角及振幅。

The LMZD series oscillating screen is divided into two types: single-layer open type and double-layer closed type. The single-layer open type screen, also known as the ordinary filter screen, is used for screening and rotating materials with a small proportion of large particles. Double layer sealed screen, also known as scroll type filter screen, is used for screening materials that continuously remove oversized particles. The composition of an oscillating screen consists of four parts: screen box, transmission, vibration chamber, and machine base.

1. Screen box: The screen box is composed of a screen frame, screen mesh, screen frame, clamp, labyrinth type, sealing ring, and discharge plate. The screen and discharge plate are fixed by four special quick opening clamps, and the screen mesh can be replaced by pulling down the four quick opening handles to remove all parts from the screen box. The entire process only takes 1-2 minutes to reassemble. This special structure is convenient for equipment operation, cleaning, maintenance, and maintenance, This sieve box can adapt to the screening of solid or liquid raw materials. The opening and flat angle of the discharge tray is 23 degrees, making it easy to discharge and capable of screening Major advantages.

2. The transmission vibration excitation device is composed of a motor, a V-belt, a rubber flexible coupling, and adjustable double eccentric weight blocks at both ends of the main shaft. This adjustable double eccentric weight vibration excitation device is started through a rubber flexible coupling. Its advantages are that the equipment starts and stops slowly, steadily, without impact, and the material will not be damaged on the screen.

3. The oscillation chamber is composed of the main bearing, vibrator, and suspension device of the vibrator. The suspension device consists of three sets of "rubber seismic frames" on top and bottom respectively. The top three sets of vibrators are installed on the main bearing seat, and the bottom three sets of vibrators are installed on the machine base. The connection between the three sets of vibrators is through low-carbon steel suspension rods. This floating suspension seismic structure makes the equipment operate smoothly, has low noise, and high powder screening effect, Has little impact on the machine base.

4. Machine base: The machine base consists of a body and a base, with four freely rotating casters installed under the base. Convenient and flexible to move. The fuselage is designed as a cone. Secure and stable, without shifting during operation. There is an inspection door on the base, through which electrical appliances and transmission components can be inspected, and the phase angle and amplitude of the lower eccentric block can be adjusted.

偏心塊的調節Adjustment of eccentric block

　　本機由料盤、振蕩室、聯軸器、機座組成，可調節的偏心重錘隨著驅動馬達旋轉，產生離心力，使物料在篩內形成軌道漩渦，從而達到需要的篩選效果。重錘調節器的振幅大小可根據不同物料和篩網進行調節。要改變篩網上的旋渦效果，可以調節下偏心塊的相位角，來達到篩選不同原料的特性。偏心塊的振幅。一般情況，網屏上的粗料的漩渦效果是隨下偏心塊與上偏心塊中心線的相對位置而變化，調節范圍0-90°

注意：在改變偏心塊后，再要開機，必須保證把偏心塊固定在軸上的螺栓全部旋緊。

This machine is composed of a material tray, an oscillation chamber, a coupling, and a base. The adjustable eccentric weight generates centrifugal force with the rotation of the driving motor, causing the material to form a track vortex inside the screen, thereby achieving the desired screening effect. The amplitude of the heavy hammer adjuster can be adjusted according to different materials and screens. To change the vortex effect on the sieve, the phase angle of the lower eccentric block can be adjusted to achieve the characteristics of screening different raw materials. The amplitude of the eccentric block. In general, the vortex effect of the coarse material on the screen varies with the relative position of the centerline of the lower eccentric block and the upper eccentric block, with an adjustment range of 0-90 °

Attention: After changing the eccentric block, before starting up, it is necessary to ensure that all the bolts that fix the eccentric block on the shaft are tightened.

振幅的調節Adjustment of amplitude

為改變振動的振幅，需要從機器上拆下篩網架和底盤，以便碰到振動組件的頂部。一般情況，將振幅減小，在很大程度上能夠得到最佳的振動狀態，上下內偏心要減少同樣的量。振幅范圍1-4毫米。兩個偏心塊聞的相位角相對的振幅列下表。

To change the amplitude of vibration, it is necessary to remove the screen frame and chassis from the machine in order to touch the top of the vibration component. In general, reducing the amplitude can achieve the optimal vibration state to a large extent, and reducing the upper, lower, and inner eccentricities by the same amount. The amplitude range is 1-4 millimeters. The amplitude of the phase angle relative to the two eccentric blocks is listed in the table below.

 注意：一定要把上檢查蓋子蓋好，緊固夾具，才能開機。

Attention: Make sure to cover the upper inspection cover and tighten the fixture before starting the machine.

技術參數表Technical parameter table