A universal drilling jig
A technology for drilling jigs and kingpin holes, which is applied in the field of mechanical processing jigs, can solve problems such as the inability to solve the processing of lug holes, and achieve the effects of saving production management costs, meeting lean production, and reducing labor intensity of workers
Active Publication Date: 2018-03-13
重庆大江车桥有限责任公司
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Problems solved by technology
But it can't solve the lug hole processing of axle thrust bearing components
Method used
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[0025] The present invention will be further described below in conjunction with the accompanying drawings.
[0026] see figure 1 , figure 2 and image 3 A kind of general-purpose drilling jig shown, comprises base 1, is provided with a fixed supporting device above the middle part of base, is fixedly connected with support base 16 on this fixed support device, is provided with longitudinal groove 17 above this support base; The front and rear parts on the left side of the base 1 are respectively provided with vertical plates 20 with the same structure, and the upper parts of the two vertical plates are provided with corresponding kingpin holes; the front and rear parts on the right side of the base 1 are provided with There are two rotating positioning assemblies with the same structure, the rotating positioning assembly includes a socket 13 whose lower end is interference fit with the base 1, and a joint bolt 11 whose lower end is connected to the socket through a seconda...
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The invention relates to a general drilling fixture. The general drilling fixture comprises a base; a fixed support device is arranged on the base; vertical plates with the same structure are respectively arranged at the front part and the back part of the left side of the base; and two rotary positioning components with the same structure are respectively arranged at the front part and the back part of the right side of the base. The general drilling fixture is characterized in that the left ends of front and back two sides of a mounting plate are respectively matched with main pin holes in the upper parts of the two vertical plates through a main pin and a bushing and can rotate around the main pin and the bushing; a longitudinal semicylinder is arranged at the middle part of the lower surface of the mounting plate; the semicylinder is correspondingly contacted with a support base; and a cushion block is arranged between the semicylinder and a longitudinal groove for adjusting the inclined angle of the mounting plate. Pressing plate clamping components and bolt positioning components are symmetrically arranged on the left side and the right side of the middle part of the upper surface of the mounting plate. The general drilling fixture can be suitable for drilling of heavy vehicle axle thrust brackets and multiple parts with similar structures, can improve the productivity, and can save the production management cost.
Description
technical field [0001] The invention relates to a machining fixture, in particular to a universal drilling fixture used for machining lug holes of a thrust bearing of a heavy-duty vehicle axle. Background technique [0002] As the national heavy-duty vehicle and axle product market is affected by the financial crisis, it is facing a severe situation. All domestic heavy-duty vehicle OEMs and supporting factories are trying their best to find a way to grow and develop. The competition is unprecedentedly fierce. The speed of product upgrading is accelerating day by day, and there are more and more varieties. The production mode of multi-variety and small and medium batches is becoming more and more obvious, and the small batch of orders and the diversification of products are becoming more and more obvious. However, the design concept is the same. No matter how some products change, their structures are always very similar, and their positioning principles are basically the sa...
Claims
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IPC IPC(8): B23Q3/06
CPCB23Q3/062B23Q2703/10
Inventor 涂大勋刘雪刚黄艳娇谢刚程国重
Owner 重庆大江车桥有限责任公司