Frame-free vertical rolling mill locating and locking mechanism
A locking mechanism, vertical rolling mill technology, applied in the direction of metal rolling mill stand, metal rolling, metal rolling, etc., to meet the technological requirements of roll gap symmetrical adjustment, rapid positioning and locking, and rapid symmetrical positioning adjustment. Effect
Inactive Publication Date: 2005-07-06
UNIV OF SCI & TECH BEIJING +1
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Problems solved by technology
[0004] The purpose of the present invention is to solve the positioning and locking of the left and right sides of the roll set and the locking of the front and back of the roll set after the adjustment of the roll set of the frameless vertical rolling mill
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[0011] As shown in FIG. 1 , two small bearing housings 3 are fixed on the upper surface of the bearing housing 8 of the roller group, respectively supporting two lead screws 4 and 6 with opposite screw threads. Positioning blocks 2 and 9 are installed at the left and right ends, and the internal thread in the positioning block is matched with the lead screw thread respectively. The positioning surfaces on the positioning block are in contact with the two sides of the frame 1 respectively. The two lead screws are connected by the inner hexagonal sleeve 5. When one screw is turned, the inner hexagonal sleeve can transmit the torque to make the other one rotate together. While rotating, the screw can also move axially in the sleeve; Screw 11 can be loosened to separate and adjust the inner hexagonal sleeve separately. After adjustment, use nut 7 to lock and prevent loosening of the whole mechanism.
[0012] Such as figure 2 As shown, respectively put into 2 inclined blocks 14 ...
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A positioning and locking mechanism for a frameless vertical rolling mill. It belongs to the field of metallurgical equipment, in particular to a frameless vertical rolling mill. It is characterized in that the positioning and locking mechanism of the rolling mill consists of a frame (1), a positioning block (2), a bearing seat (3), a screw (4), an inner hexagonal sleeve (5), a screw (6), a nut ( 7), roller group bearing seat (8), positioning block (9), screw (11), plunger cylinder support (12), hydraulic plunger cylinder (13), inclined block (14), quick connection joint (15 ), the lead screw (4) is opposite to the direction of rotation of the thread of the lead screw (6), and the direction of rotation of the inner thread of the positioning block (2) is opposite to that of the positioning block (9). The locking in the left and right direction is mainly accomplished by the screw and the positioning block, and the locking in the front and rear direction is mainly completed by the hydraulic plunger cylinder and the inclined block. The advantage is that the left and right positioning and locking of the roller group are completed at the same time, which can realize rapid and symmetrical positioning adjustment, which not only quickly positions and locks, but also satisfies the technological requirements for symmetrical adjustment of the roll gap; the inclined block and the hydraulic plunger cylinder lock together Tight, simple structure, fast and convenient operation, stable and reliable work.
Description
Technical field: [0001] The invention belongs to the field of metallurgical equipment, in particular to a frameless vertical rolling mill. Background technique: [0002] The replacement pass and pass adjustment mechanisms of the existing vertical rolling mill roll group mainly include: 1. a large and small frame structure; 2. a hydraulic lifting structure. A common feature of the above structures is that the roller groups are all installed in the frame, and the fixing of the roller groups after the pass is changed is realized through the frame. The frameless vertical rolling mill cancels the frame, which has the advantages of less investment, less space occupied by the overall unit, easy adjustment, and easy control. However, one problem encountered is that it is inconvenient to position and lock the roll group after adjustment. Invention content: [0003] Because the roller group is placed on the lifting fork, and the lifting fork is lifted up and down by the electric pu...
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IPC IPC(8): B21B31/02
Inventor 钟建瑜武卫中谢子建
Owner UNIV OF SCI & TECH BEIJING