Adjustable type inside positioning device for high precision lathe spring chuck
A technology of spring collets and positioning devices, which is applied in the direction of turning equipment, accessories of tool holders, chucks, etc., can solve the problem that the axial positioning control cannot be effectively implemented, the advantages cannot be fully utilized, and the scope of application of spring collets is limited. and other problems to achieve the effect of solving the difficulty of axial positioning, improving quality and efficiency, and reducing production costs
Inactive Publication Date: 2016-01-06
SHANGHAI HENGTUO HYDRAULIC CONTROL TECH
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AI Technical Summary
Problems solved by technology
[0003] The biggest disadvantage of using spring collets to process shaft parts is that there are defects in axial positioning.
For the subsequent processing process after the blanking process, the axial positioning control cannot be effectively implemented, so the processing quality is difficult to stabilize and the efficiency is difficult to improve
Parts that require high axial dimensional accuracy are more difficult to adapt, the scope of application of the collet is limited, and the advantages cannot be fully utilized
Method used
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Embodiment Construction
[0012] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.
[0013] like figure 1 , As shown in 2, an adjustable internal positioning device for a high-precision lathe collet, including a taper sleeve 1, an open taper sleeve 2, a lock nut 3, a positioning screw 4, and an adjustment nut 5.
[0014] The taper screw sleeve 1 is threadedly connected to the positioning screw 4, an adjusting nut 5 is screwed between the rear end of the positioning screw 4 and the rear end face of the taper screw sleeve 1, and the internal thread of the adjusting nut 5 cooperates with the external thread of the positioning screw 4 for Adjust the length of the position where the positioning screw 4 is unscrewed from the lock nut 3; the outer tapered surface of the taper screw sleeve 1 is matched with the open taper sleeve 2, and the rear end of the taper screw sleeve 1 is threaded to connect the lock nut 3.
[0015] The shape of the tap...
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The invention relates to an adjustable type inside positioning device for a high precision lathe spring chuck. The device comprises a taper thread sleeve, an open taper sleeve pipe, a locking but, a positioning screw rod and an adjusting nut, wherein the inside of the taper thread sleeve is connected with the positioning screw rod through threads, the adjusting nut is crewed between the rear end part of the positioning screw rod and the rear end surface of the taper thread sleeve, internal threads of the adjusting nut are matched with the external threads of the positioning screw rod, the outer taper surface of the taper thread sleeve is connected with the open taper sleeve pipe in a matching manner, the rear end part of the taper thread sleeve is connected with the locking nut through threads so as to push the open taper sleeve pipe matched with the outer taper surface of the taper thread sleeve to move, the diameter of a small outer circle of the open taper sleeve pipe is changed so that the open taper sleeve pipe can be tightly matched with a tail inner hole of the spring chuck, and the axial position is locked. Compared with an ordinary fixture, the weight differs greatly, the adjustable type inside positioning device has small effect to the rotational speed of a main shaft, the cutting speed of a processed piece is not affected, and simultaneously, noise produced under same rotational speed is low.
Description
technical field [0001] The invention relates to a processing limit technology equipment, in particular to an adjustable internal positioning device for a spring collet of a high-precision lathe. Background technique [0002] At present, in the field of mechanical processing, it is the most economical and affordable measure to select ordinary equipment and use collets in the mass production process of small and medium-sized shaft parts. Its advantages are: accurate and convenient clamping and centering, high clamping efficiency, large adjustment range of processing speed, low purchase cost, stable operation of the equipment, low noise, low operating cost, safety, and the labor of the laborers. Strength and environment are improved. [0003] The biggest disadvantage of using collet chucks to process shaft parts is that there are defects in axial positioning. For the subsequent processing process after the blanking process, the axial positioning control cannot be effectively ...
Claims
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Patent Timeline
Login to View More IPC IPC(8): B23B31/20
CPCB23B31/20B23B31/028B23B2231/20
Inventor 杨文涛李涛胡欣翔张安伦朱谦
Owner SHANGHAI HENGTUO HYDRAULIC CONTROL TECH