A spindle tool unloading mechanism and machine tool
A technology of spindle and knife loosening, applied in metal processing mechanical parts, manufacturing tools, positioning devices and other directions, can solve the problems of easy air leakage of the broach rod, inconvenient installation and maintenance, complex hydraulic cylinder structure, etc. Easy installation and maintenance, simple structure
Inactive Publication Date: 2016-02-03
SANY GRP
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Problems solved by technology
[0006] However, the existing structure uses hydraulic oil to push the unloading cylinder of the main shaft to reset when the main shaft is broaching. It is easy to leak air and cause insufficient air pressure when inflating
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[0029] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.
[0030] It should be noted that, in the case of no conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other.
[0031] Embodiments of the present invention will be specifically explained below in conjunction with the accompanying drawings.
[0032] Such as figure 1 A spindle tool unloading and unloading mechanism according to an embodiment of the present invention shown in , includes a spindle box 1 , a s...
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The invention discloses a main shaft loose knife unloading mechanism and lathe and belongs to the field of machine manufacturing. A main shaft box 1, a main shaft 2, a knife pulling rod 3 and a hydraulic cylinder 4 are included. The main shaft 2 can be arranged in the main shaft box 1 in a rotatable mode. The knife pulling rod 3 is arranged in the main shaft 2. The hydraulic cylinder 4 comprises a first component 5 and a second component 6 which can move in opposite directions, the first component 5 pushes the knife pulling rod 3, and the second component 6 pulls the main shaft 2. A first elastic element 9 which can drive the first component 5 and the second component 6 to move relatively is arranged between the first component 5 and the second component 6. A second elastic element 10 which is arranged in the direction the main shaft 2 is further included. The second component 6 of the hydraulic cylinder 4 is connected with the main shaft box 1 through the second elastic element 10. According to the technical scheme, the elastic elements are arranged between the hydraulic cylinder 4 and the main shaft box 1, a cylinder body of the hydraulic cylinder 4 of the main shaft is pushed to be reset by using the elastic elements, and the mechanism and lathe have the advantages of being simple in structure, high in reliability and low in cost.
Description
[0001] The invention belongs to the field of mechanical equipment manufacturing, and relates to a tool release mechanism, in particular to a spindle tool release and unloading mechanism and a numerically controlled machine tool. Background technique [0002] The automatic loosening and broaching action of the spindle of the CNC machine tool is an indispensable function in the machining center of the machine tool. At present, the tool release action of the CNC machine tool spindle is realized by the automatic tool release device, that is, when the tool is changed on the machine tool, the tool on the spindle must first be removed after the tool release action, and after the spindle is replaced with a new tool, then Carry out the broaching action, and the tool on the spindle can only be processed after being tightened. When the current machine tools change the tool for the spindle, the usual structure is to first push the tool puller with the butterfly spring through the action o...
Claims
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IPC IPC(8): B23Q3/157B23Q3/155
Inventor 叶景宽崔雨户海军
Owner SANY GRP