Thin wall cover locating clamping device
A technology of positioning and clamping, thin-walled sleeves, applied in positioning devices, clamping, supporting and other directions, can solve the problems of long clamping adjustment time, low machining accuracy of parts, increase machining cost of parts, etc., so as to overcome the high cost of machining. , Improve the machining accuracy and ensure the effect of stability
Inactive Publication Date: 2010-07-21
大连机床(数控)股份有限公司
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Problems solved by technology
[0002] In the machining industry, it is difficult to clamp and fix thin-walled parts. The large clamping force will cause the deformation of the parts, and the small clamping force will lead to loose fixation, which will affect the normal processing or processing accuracy of the parts.
At present, most of the processing of thin-walled parts adopts the outer wall clamping method, which often leads to small deformation of the parts, making the processing accuracy of the parts not high, or the clamping adjustment time is long, time-consuming and laborious, and the processing cost of the parts is increased.
Method used
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Embodiment Construction
[0010] As shown in the figure: 28 is a support, which can be molded by casting. The oil cylinder 25 connected with the hydraulic drive device is fixed on the bracket 28 by bolts, and the outer end of the piston rod 23 matched with the oil cylinder 25 is hingedly connected with the left end of the pressing arm 15 through the shaft 21. In the middle of the pressing arm 15, the shaft 18 The pressing arm 15 is supported on the support plate 16, and the support plate 16 is fixedly connected with the bracket 28. The support plate 16 and the bracket 28 can be integrally constructed or connected by welding or bolts. The upper chuck 10 is fixedly connected to the right end of the pressing arm 15, and the upper chuck 10 and the pressing arm 15 are connected by screws or processed into an integral structure.
[0011] On support 28, be provided with the inclined-plane moving block seat 6 with guide hole 5, be seated with inclined-plane moving block 7 on the slope above inclined-plane movi...
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A thin-wall sleeve positioning and clamping device in machining includes a support, with which a pressing arm is pivotally connected, an upper collet is connected with the right end of the pressing arm, a pressing arm-pushing mechanism is connected with the left end, slanted movable blocks connected with a lower collet and a movable block-pushing mechanism are arranged on the support, the lower collet is arranged opposite to the upper collet, an expansion sleeve is fixed on the support, a conical shaft matching the inner hole of the expansion sleeve is connected with an axial conical shaft pushing and pulling mechanism, and the height position of the expansion sleeve is between the upper and lower collets. Because the device clamps the outside of a part and an expansion mechanism is arranged inside the part, when the part is clamped, the outside clamping force and the inside expansion force are mutually counteracted, so that the part is not inflicted with great clamping force and therefore is not easily deformed, moreover, the present invention ensures the steadiness of part clamping, increases the processing precision, saves time and labor and resolves the defect of the high costof thin-wall part processing.
Description
technical field [0001] The invention relates to a positioning and clamping device for thin-wall sleeves in machining. Background technique [0002] In the machining industry, it is difficult to clamp and fix thin-walled parts. If the clamping force is large, the parts will be deformed, and if the clamping force is small, the fixation will not be firm, which will affect the normal processing or processing accuracy of the parts. At present, most of the processing of thin-walled parts adopts the outer wall clamping method, which often leads to small deformation of the parts, making the processing accuracy of the parts not high, or the clamping adjustment time is long, time-consuming and laborious, and the processing cost of the parts is increased. Contents of the invention [0003] The purpose of the present invention is to provide a positioning and clamping device for thin-walled sleeves which is convenient to clamp thin-walled parts, easy to operate, does not deform the par...
Claims
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IPC IPC(8): B23Q3/06
Inventor 沙松林邢晓辉
Owner 大连机床(数控)股份有限公司