Pull rod pressing mechanism
A technology of jacking and pulling rods, which is applied in the direction of metal processing machinery parts, large fixed members, metal processing equipment, etc., can solve the problems of difficult installation and inconvenient disassembly, and achieve the effect of convenient disassembly and assembly
Inactive Publication Date: 2012-05-30
ZHONGSHAN SHENGLONG FORGING MACHINE
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Problems solved by technology
[0003] 1. Difficult to install;
[0004] 2. If the machine tool parts are damaged and need to be replaced, they can only be destructively disassembled by external force, so disassembly is extremely inconvenient;
[0005] 3. If the machine tool vibrates or thermally deforms due to external force, there will be a gap or relative displacement between the various parts of the machine tool, and it will no longer be possible to connect the parts tightly again through nuts or other methods
Method used
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Embodiment Construction
[0014] refer to figure 1 , figure 2 , a pull rod tightening mechanism introduced in the present invention includes a reinforcing rod 1, a lower nut 2 is provided at the lower end of the reinforcing rod 1, an inner nut 3 is provided at the upper end, and an outer nut 4 is threaded on the inner nut. , the reinforcing rod below the inner nut 3 is equipped with a piston 5 and an oil pressure cylinder 6 matched with the piston 5, one end of the piston 5 is pressed against the lower end surface of the inner nut 3, and the end surface of the oil pressure cylinder 5 is in contact with the outer screw. The lower end surface of the cap 4 is in contact.
[0015] An oil seal 7 is arranged at the joint between the piston 5 and the hydraulic cylinder 6 to prevent the injected oil from penetrating outside, and a fixed ring 8 is arranged on the lower end of the piston 5 close to the hydraulic cylinder 6 .
[0016] The working mode of the pull rod jacking mechanism of the embodiment of the ...
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The invention discloses a pull rod pressing mechanism. The pull rod pressing mechanism comprises a reinforcing rod, wherein the lower end of the reinforcing rod is provided with a lower screw cap; the upper end of the reinforcing rod is provided with an internal screw cap and an external screw cap in turn from inside to outside; a piston pressing against the lower end of the internal screw cap isarranged on the pull rod pressing mechanism; an oil pressure cylinder pressing against the lower end of the external screw cap and clung to the piston is arranged on the pull rod pressing mechanism; an oil seal is arranged at a juncture of the piston and the oil pressure cylinder; and a retainer ring clung to the oil pressure cylinder is arranged at the lower end of the piston. A machine tool which is connected and fixed by the pull rod pressing mechanism is convenient to assemble and disassemble, and if gaps are generated among components, reinforcing connections can be performed in time.
Description
technical field [0001] The invention relates to a technology in the field of machine tool machinery, in particular to a tie rod jacking mechanism applied to a machine tool. Background technique [0002] The connection mechanism of the traditional machine tool includes: a reinforcement rod and nuts installed at both ends of the reinforcement rod; The machine tool is locked, but in the process of rotating the nut to lock the parts, the reinforcing rod must be thermally expanded, and then the reinforcing rod will be elastically stretched and deformed. After the reinforcing rod cools and shrinks, the various parts of the machine tool can be tightened. The connection is fixed together. Although this connection method will be firm, it also has the following disadvantages: [0003] 1. Difficult to install; [0004] 2. If the machine tool parts are damaged and need to be replaced, they can only be destructively disassembled by external force, so disassembly is extremely inconveni...
Claims
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IPC IPC(8): B23Q1/00
Inventor 陆伟宁
Owner ZHONGSHAN SHENGLONG FORGING MACHINE