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Gun and drill common-rail oil nipple center hole clamp

A grease nozzle and common rail technology, applied in the field of gun drilling common rail grease nozzle middle hole fixture, can solve problems such as difficulty in ensuring accuracy, and achieve the effects of improving product qualification rate, production efficiency, machining accuracy and surface roughness guarantee.

Inactive Publication Date: 2018-12-07
常州博瑞油泵油嘴有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Because the chamfering of the small end and the outer chamfering of the large end are secondary processing during the rough machining of the oil nipple blank, there is a runout within 0.03mm. The runout of the outer circle is difficult to guarantee the accuracy requirements

Method used

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  • Gun and drill common-rail oil nipple center hole clamp
  • Gun and drill common-rail oil nipple center hole clamp
  • Gun and drill common-rail oil nipple center hole clamp

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Embodiment Construction

[0015] 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 making creative efforts belong to the protection scope of the present invention.

[0016] see Figure 1-3 As shown, a gun drill common rail oil nozzle center hole fixture, the inside of the left positioning sleeve 1 is provided with a retaining ring 2 along the axial direction, and the axial center of the left positioning sleeve 1 is fitted with a sliding sleeve 4, and One end with a small diameter of the sliding sleeve 4 runs through the center of the retaining ring 2; a spring 3 is set on the sliding sleeve 4 close to the retaining ring 2,...

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Abstract

The invention discloses a gun and drill common-rail oil nipple center hole clamp. The gun and drill common-rail oil nipple center hole clamp comprises a left positioning sleeve, a check ring, a spring, a sliding sleeve, an oil nipple, a right positioning sleeve, a guide sleeve, a small excircle chamfer A, a large excircle inner side chamfer B and a large excircle outer side chamfer C. The gun anddrill common-rail oil nipple center hole clamp has the beneficial effects that because the manner that the oil nipple small excircle chamfer A and the large excircle inner side chamfer B are adopted for positioning, and an end face of a large excircle is used for tight clamping is adopted, when rough machining is carried out on the oil nipple, the small excircle chamfer A and the large excircle inner side chamfer B are machined at one time, the beat accuracy between the small excircle chamfer A and the large excircle inner side chamfer B is completely guaranteed, and the defect that during rough machining, poor beating happens to a small excircle chamfer A and a large excircle outer side chamfer C is avoided; and because the spring is adopted for assisting the small excircle chamfer A in achieving elastic auxiliary position limitation, positioning is more accurate.

Description

technical field [0001] The invention relates to a clamp, in particular to a clamp for a middle hole of a gun drill common rail nozzle, and belongs to the technical field of clamps. Background technique [0002] The high-precision common rail nozzle is the core part in the fuel injector assembly of the common rail system. The processing requirements of this part are very difficult, and conventional processing equipment and fixtures cannot meet the processing requirements. [0003] The existing fixture adopts the mode of clamping and positioning by chamfering the small end and the outside chamfering of the large end. Because the chamfering of the small end and the outer chamfering of the large end are secondary processing during the rough machining of the oil nipple blank, there is a runout within 0.03mm. The runout of the outer circle is difficult to guarantee the accuracy requirements. Contents of the invention [0004] The object of the present invention is to provide a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23Q3/00
CPCB23Q3/00
Inventor 汤志明汤曌王志康杨俊召邹俊吴永胜
Owner 常州博瑞油泵油嘴有限公司
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