Clamping device for machining of reducer seat
A technology of clamping device and reducer, which is applied in the direction of workpiece clamping device, manufacturing tools, etc., to achieve the effects of reliable use, improved processing accuracy, and improved pass rate
Pending Publication Date: 2020-11-27
FUJIAN ORDNANCE EQUIP
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Problems solved by technology
[0003] The purpose of the present invention is to overcome the disadvantages existing in the processing process of the existing reducer seat, and provide a clamping device for processing the reducer seat that is not easy to damage the positioning surface and can improve the processing accuracy of the reducer seat
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[0026] The patent of the present invention will be described in detail below in conjunction with the drawings, and the following examples can enable those skilled in the art to better understand the patent of the present invention, but will not limit the patent of the present invention in any form.
[0027] like figure 1 As shown, it is a schematic diagram of the blank of the reducer seat 6 to be processed in the present invention. Positioning surface C61, positioning surface D62, pressing surface A63, pressing surface B64, bottom surface 65, processing surface 66 are arranged on the blank of reducer seat, except that bottom surface 65 is a plane, all the other surfaces are uneven.
[0028] like figure 2 As shown, a clamping device for processing a reducer seat is composed of a base 1, an intermediate rod 2, a locking device 3, a compression device 4 and a spring 5. The base 1 is composed of a bottom plate 11 and a positioning seat 12 . The upper and lower surfaces of the ...
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The invention provides a clamping device for machining of a reducer seat. The clamping device is characterized by being composed of a base, a middle rod, a locker, a presser and a spring, the base iscomposed of a bottom plate and a positioning seat fixed to the bottom plate, the upper surface and the lower surface of the bottom plate are flat planes, the locker is fixedly formed by a screw rod and a handle, the presser is composed of a pressing plate, a pressing block and a pressing block pin, the pressing block is fixed below the pressing plate, the pressing block is provided with a pressingportion A and a pressing portion B, the pressing portion A and the pressing portion B are respectively matched with a pressing surface A and a pressing surface B of the reducer seat, an avoiding groove matched with the middle rod is formed in the pressing plate, and after the middle rod passes through the avoiding groove and the spring, the middle rod is fixed to the bottom plate, the screw rod of the locker is positioned below the pressing plate, the screw rod and the pressing plate are respectively located on the two sides of the middle rod, the pressing plate takes the middle rod as a lever of a fulcrum, the pressing block is used as a stress point, and the screw rod is used as a force applying point. The clamping device is reliable in use, and simple and convenient to operate, and does not damage the locating surface, significantly improves the clamping efficiency and the qualification rate of a machined product, and improves the machining precision of the reducer seat.
Description
technical field [0001] The patent of the invention relates to the field of firearms production, in particular to a clamping device for processing a reducer seat. Background technique [0002] As an important part in the firing mechanism of some firearms, the reducer assembly is used to control the firing frequency of the firearm in the fully automatic shooting state. Among them, the reducer seat is the basic part in the reducer assembly, and its structure is as follows: figure 1 As shown, it is an irregular shape formed by different cylindrical surfaces, and what needs to be processed is the processing surface 66. The current technology: the clamping of the reducer seat 6 generally uses a general tool such as a bench vise to clamp the reducer seat 6 , the clamping surface of the bench vise is the bottom surface 65 and the pressing surface B 64. Due to the low dimensional accuracy of the blank of the reducer seat 6, except for the bottom surface 65 which is flat, the other s...
Claims
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IPC IPC(8): B25B11/00
CPCB25B11/00
Inventor 郑炳生傅隆丰马玉石林建鑫宋有龙
Owner FUJIAN ORDNANCE EQUIP