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    鋸床的機械組成結構

    時間:2020-09-02 23:00 點擊次數:

    鋸床主要部件有底坐;床身、立柱;鋸梁和傳動機構;導向裝置;工件夾緊;張緊裝置;送料架;液壓傳動系統;電氣控制系統;潤滑及冷卻系統;

     

    底座

    鋸床底座為鋼板焊接而成的箱形結構,床身、立柱固定其上,底座內腔有較大空間,前左側為電氣按鈕控制箱,右側為電氣配電板箱,中間由鋼板焊成的液壓油箱,腔內裝有液壓泵站,液壓管路,右側為冷卻切削液箱及水泵。

     

    床身

    床身為鑄鐵件,固定在底座上,立柱由一大小圓柱組成,大圓立柱作為鋸架動的導軌,是用以支撐鋸梁上下升降運動,并保證精確的導向,小圓柱起輔助作用,從而保證鋸條的正常切削。中間為夾料虎鉗和手動送料機構,虎鉗前方連接有承接成品件的工作臺,左側的夾緊裝置為夾緊絲桿穿過液壓夾緊油缸桿內孔,轉動手輪或按動按鈕,使左鉗口左右運動。2:鋸床適用場合:主要應用于機械,鍛造,加工等的下料。

     

    功能和特點

    液壓控制鋸切速度,無極可調。油缸控制,進給平穩。根據客戶需要可增加成束裝置。根據需要有半自動和數控全自動可供選擇??晒┺D角度斜切鋸床。

     

    鋸床產品類型

    有鉸鏈式,單柱式,雙柱式。龍門式及立式,分為半自動,數控全自動。

     

    鋸梁和傳動機構

    由厚鋼板切割成形焊接而成,具有較強的剛性,其右后側固定有蝸輪箱,箱內的蝸輪與鋸梁上面的主動輪固接,二者同步旋轉,左側為被動輪和鋸條張緊位置。鋸條的回轉運動由主電機、皮帶輪、蝸輪付經兩級變速將驅動為傳遞到主動輪,再由主動輪、鋸條驅動被動輪來實現的,鋸條運轉速度共三檔。

     

    鋸條導向裝置

    安裝在鋸梁支板的導向裝置由左、右導向臂與導向頭組成,左、右導向臂都可沿燕尾榫移動(或右導向臂固定在立柱套上),調整兩導向臂間距離比工件尺寸寬40mm左右。導向裝置用于改變鋸條的安裝角,使鋸條與工作臺垂直,為保證鋸條的切削精度,減少振動,在左右導向臂各裝有一組導向輪(滾動軸承)和耐磨的導向塊,鋸條背部也有耐磨合金的導向塊。

     

    夾緊機構

    右虎鉗固定在床身上,夾緊絲桿穿過液壓夾緊油缸內孔,由絲桿連接左虎鉗沿導軌左右移動,當左虎鉗距離工件10-30MM時連接。手按控制面板的鉗緊或鉗松按鉗,使工件夾緊或松開。

     

    張緊裝置

    張緊裝置是由滑板座、滑板、絲桿等組成,當要將鋸條張緊時,用扭力扳手按順時針方向旋轉可張緊鋸條,處于工作狀態。如鋸床處于長時間停機狀態,扭力扳手向逆時針方向旋轉鋸條松開。

     

     

    The main components of the sawing machine include: bottom seat; bed, column; saw beam and transmission mechanism; guiding device; workpiece clamping; tensioning device; feeding frame; hydraulic transmission system; electrical control system; lubrication and cooling system; the main components of the sawing machine are as follows;

    base

    The base of the sawing machine is a box structure welded by steel plates. The bed and column are fixed on it. There is a large space in the inner cavity of the base. The front left side is the electric button control box, the right side is the electrical distribution board box, and the middle part is the hydraulic oil tank welded by steel plate. The hydraulic pump station and hydraulic pipeline are installed in the cavity, and the cooling and cutting fluid tank and water pump are on the right side.

    Bed

    The bed is made of cast iron and fixed on the base. The column is composed of large and small columns. As the guide rail of the saw frame, the large circular column is used to support the up and down movement of the saw beam and ensure accurate guidance. The small cylinder plays an auxiliary role to ensure the normal cutting of the saw blade. In the middle is the clamping vise and the manual feeding mechanism. In front of the vise is a worktable to receive the finished products. The clamping device on the left side is that the clamping screw rod passes through the inner hole of the hydraulic clamping cylinder rod and rotates the hand wheel or presses the button to make the left jaw move left and right. 2: Application: mainly used in cutting materials of machinery, forging, processing, etc.

    Functions and features

    Hydraulic control sawing speed, infinitely adjustable. Oil cylinder control, stable feed. Beam forming device can be added according to customer needs. According to the needs, there are semi-automatic and CNC full-automatic options. It can be used for angle cutting sawing machine.

    Product type of sawing machine

    There are hinge type, single column type and double column type. Gantry and vertical, divided into semi-automatic, CNC fully automatic.

    Saw beam and transmission mechanism

    The worm gear box is fixed on the right rear side of the box. The worm gear in the box is fixedly connected with the driving wheel above the saw beam. Both rotate synchronously. The left side is the tension position of the driven wheel and saw blade. The rotary motion of the saw blade is driven by the main motor, belt pulley and worm gear through two-stage speed change, which is then realized by the driving wheel and the saw blade driving the passive wheel. The saw blade operates at three speeds.

    Saw blade guide

    The guide device installed on the saw beam support plate consists of left and right guide arms and guide heads. Both the left and right guide arms can move along the dovetail tenon (or the right guide arm is fixed on the column sleeve), and the distance between the two guide arms is about 40mm wider than the workpiece size. The guide device is used to change the installation angle of the saw blade to make the saw blade perpendicular to the working table. In order to ensure the cutting accuracy of the saw blade and reduce vibration, a set of guide wheels (rolling bearings) and wear-resistant guide blocks are respectively installed on the left and right guide arms, and the guide blocks of wear-resistant alloy are also installed on the back of the saw blade.

    Clamping mechanism

    The right vise is fixed on the bed, and the clamping screw rod passes through the inner hole of the hydraulic clamping cylinder, and is connected by the screw rod. The left vice moves left and right along the guide rail, and is connected when the distance between the left vice and the workpiece is 10-30mm. Press the clamping or loosening clamp of control panel by hand to clamp or loosen the workpiece.

    Tensioning device

    The tensioning device is composed of slide plate base, slide plate, screw rod, etc. when the saw blade is to be tensioned, the saw blade can be tensioned by rotating clockwise with a torque wrench, and it is in working state. If the sawing machine is shut down for a long time, the torque wrench should be turned anticlockwise to loosen the saw blade.

     


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